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Corporate Information Spokesperson Chitung Liu Chief Financial Officer 886 (2) 2700 6999 [email protected] Deputy Spokesperson Sandy Yen The Chairman and CEO Office Senior Manager 886 (2) 2700 6999 [email protected] Bowen Huang Finance Division Senior Manager 886 (2) 2700 6999 [email protected] Headquarters No.3 Li-Hsin 2nd Rd., Hsinchu Science Park, Hsinchu, Taiwan 30078, R.O.C. 886 (3) 578 2258 Taipei Office 3F, No.76, Sec. 2, Tunhwa S. Rd., Taipei, Taiwan 10683, R.O.C. 886 (2) 2700 6999 Fab 6A No.10 Innovation 1st Rd., Hsinchu Science Park, Hsinchu, Taiwan 30076, R.O.C. 886 (3) 578 2258 Fab 8A No.3 Li-Hsin 2nd Rd., Hsinchu Science Park, Hsinchu, Taiwan 30078, R.O.C. 886 (3) 578 2258 Fab 8B No.5 Li-Hsin 2nd Rd., Hsinchu Science Park, Hsinchu, Taiwan 30078, R.O.C. 886 (3) 578 2258 Fab 8C No.6 Li-Hsin 3rd Rd., Hsinchu Science Park, Hsinchu, Taiwan 30078, R.O.C. 886 (3) 578 2258 Fab 8D No.8 Li-Hsin 3rd Rd., Hsinchu Science Park, Hsinchu, Taiwan 30078, R.O.C. 886 (3) 578 2258 Fab 8E No.17 Li-Hsin Rd., Hsinchu Science Park, Hsinchu, Taiwan 30078, R.O.C. 886 (3) 578 2258 Fab 8F No.3 Li-Hsin 6th Rd., Hsinchu Science Park, Hsinchu, Taiwan 30078, R.O.C. 886 (3) 578 2258 Fab 8S No.16 Creation 1st Rd., Hsinchu Science Park, Hsinchu, Taiwan 30077, R.O.C. 886 (3) 578 2258 Fab 12A No.18 Nan-Ke 2nd Rd., Tainan Science Park, Sinshih, Tainan, Taiwan 74147, R.O.C. 886 (6) 505 4888 Singapore Branch Fab 12i No.3 Pasir Ris Drive 12, Singapore 519528 65 6213 0018 ADR Exchange Marketplace New York Stock Exchange, Inc. 11 Wall Street New York, NY 10005, U.S.A. 1 (212) 656 3000 www.nyse.com Ticker/Search Code: UMC Exchangeable Bond Exchange Marketplace Luxembourg Stock Exchange 11, av de la Porte-Neuve L-2227 Luxembourg 352 (47) 79 36 - 1 www.bourse.lu Ticker: UniMicElexCorp EB Search Code: ISIN XS0147090533 ECB Search Code: ISIN XS0231460709 Auditors Ernst & Young James Wang, MY Lee 9th Fl., 333 Keelung Rd., Sec.1 Taipei 11012, Taiwan , R.O.C. www.ey.com/tw 886 (2) 2720 4000 UMC Website www.umc.com Securities Dealing Institute Horizon Securities Co., Ltd. Stock Registration Department 3F, No.236 Hsin-Yi Rd. Sec. 4, Taipei, Taiwan 10680, R.O.C. 886 (2) 2326 8818 www.honsec.com.tw ADR Depositary and Registrar Citibank, N.A. Depositary Receipt Services 14F, 388 Greenwich Street, New York, NY 10013, U.S.A. 1 (877) 248 4237 (Toll-free) Stockholder Service Representatives are available Monday through Friday, 8:30a.m. to 6:00p.m., Eastern Time. http://wwss.citissb.com/adr/www/ [email protected] UMC ANNUAL REPORT INFORMATION CAN BE ACCESSED FROM THE FOLLOWING WEBSITES: www.umc.com newmops.tse.com.tw Printed on March 15, 2007 TSE Code : 2303 NYSE Symbol : UMC United Microelectronics Corporation | Annual Report 2006 Table of Contents Letter to Shareholders Operation Overview 65 Business Scope Corporate Overview 11 Corporate Profile 12 Milestones 66 Research & Development Achievements and Plans 68 Market and Sales Conditions 72 Employee Analysis Corporate Governance Report 73 Environmental Protection Information 16 Corporate Organization 75 Major Agreements 18 Directors’, Supervisors’ and Managers’ Information 33 Corporate Governance Practices 35 Status of Internal Control 37 Auditing Notes 74 Labor Relations Review of Financial Position, Operating Results, Risk Management and Evaluation 38 Change in Shareholding of Directors, Supervisors, Managers and Major Shareholders 79 Analysis of Financial Position 39 Information Disclosuring the Relationship Between Any of the Company’s Top Ten Shareholders 81 Liquidity Analysis 40 Total Percentage of Ownership of Investees Capital Overview 43 Capital and Shares 50 Corporate Bonds 55 Preferred Stock 56 American Depositary Receipts 58 Employee Stock Option Certificates 63 Mergers and Acquisitions 63 Financing Plans and Execution Status 65 Industry Scope 80 Analysis of Operating Results 81 Major Capital Expenditures and Sources of Funding 82 Analysis for Investment 83 Risk Management and Evaluation Special Disclosures Financial Review Unconsolidated 87 Summary of Affiliated Enterprises 101 Condensed Balance Sheets 92 Acquisition or Disposal of UMC Shares by Subsidiaries 93 Disclosures of Events which May Have a Significant Influence on Stockholders’ Equity or Share Price, in Compliance with Item 2, Paragraph 2 in Article 36 of the Securities and Exchange Law of the R.O.C. 102 Condensed Statements of Income 103 Financial Analysis 104 Supervisors’ Report 106 Report of Independent Auditors 107 Balance Sheets 108 Statements of Income Disclosure According to US Security Authorities Regulation 109 Statements of Changes in Stockholders’ Equity 95 Disclosure Committee 112 Notes to Financial Statements 95 Audit Committee 160 Attachments to Notes 95 Corporate Governance Difference 110 Statements of Cash Flows 95 Code of Ethics Financial Review Consolidated 95 Employee Code of Conduct 198 Representation Letter 95 US GAAP Financial Information 96 Consolidated Balance Sheets 98 Consolidated Statements of Income 199 Report of Independent Auditors 200 Consolidated Balance Sheets 201 Consolidated Statements of Income 202 Consolidated Statements of Changes in Stockholders’ Equity 203 Consolidated Statements of Cash Flows 205 Notes to Consolidated Financial Statements 260 Attachments to Notes United Microelectronics Corporation | Annual Report 2006 Letter to Shareholders Dear Shareholders, In 2006, UMC achieved revenues of NTD 104.10 65-nanometer, with four products in pilot production billion, which was 14.7% above the previous year’s and more than 10 products taped out for various ap- performance. Net income was NTD 32.62 billion plications ranging from handset baseband to FPGA, or 364% above 2005. The positive gains and growth graphics and broadband. Yield improvement for our can be attributed to stronger demand across all ap- 65-nanometer volume production technology has plications, especially for the communications sec- been even faster than for the 90-nanometer genera- tor, and an improvement in product mix resulting tion. in a higher percentage of revenue from leading-edge process technologies. Strategic Expansion UMC has accelerated the expansion of its 300mm fab Technology Leadership UMC’s strong 2006 performance was highlighted by our large percentage of sales from 0.13-micron and below technologies, which accounted for 40% of UMC’s total revenue. Sales from our volume production 90-nanometer technology reached 17% for the year. Particularly exciting was the rollout of our 65-nanometer process technology, which entered volume production for several customer products. By the end of 2006, UMC had 9 customers engaged at complex in the Tainan Science Park to accommodate the next generation of advanced process technologies, most recently by adding a new R&D center for nanometer technologies, the first of its kind in the Tainan Science Park. The center will become UMC’s new R&D headquarters after its scheduled completion in April 2007. In 2006, we also began full-scale construction on our second 300mm fab at UMC’s Tainan site, which will give UMC a total of three advanced 300mm fabs to serve our customers’ manufacturing needs. The new fab will add an additional United Microelectronics Corporation | Annual Report 2006 Letter to Shareholders 50,000 wafer capacity (300 mm) to the site and will techniques, and ultra low-k dielectrics (k=2.5). cost approximately USD 5 billion when fully completed and equipped. The 45-nanometer node is a challenging technology generation that simultaneously introduces new mate- The new fab and R&D center are being constructed rials and process modules. UMC’s wealth of experi- adjacent to UMC’s Fab 12A to allow for the easy ence in semiconductor R&D and manufacturing put transfer of engineering resources, technology, and us among the first companies in the world to produce equipment among the facilities, which will facili- working 45-nanometer silicon, with encouraging tate a more efficient ramp up for leading-edge 65- yield results realized for the initial 45-nanometer nanometer, 45-nanometer, and below processes. wafer lots. UMC will continue to build on its 45- Once the new fab is completed and ready for produc- nanometer momentum to prepare the technology for tion, the transition to mainstream manufacturing is adoption by our foundry customers. expected to be seamless since there is no new learning curve to master; the production lines will be directly expanded from the neighboring Fab 12A. Next Generation Process Technology Enhancing Shareholder Value In addition to UMC’s commitment to improving process technology and manufacturing, we are also taking proactive measures to increase shareholders’ In 2006, UMC also successfully produced functional value. For example, UMC’s Board of Directors passed 45-nanometer SRAM chips. UMC’s independently a resolution to carry out a capital reduction of NTD developed 45-nanometer logic process uses sophisti- 57.394 billion with the cancellation of 5.739 billion of cated immersion lithography for its 12 critical layers its outstanding shares. The measure, which is expect- and incorporates the latest technology advancements ed to be ratified at our Annual General Shareholders such as ultra shallow junction, mobility enhancement meeting, will result in an NTD 3 cash return United Microelectronics Corporation | Annual Report 2006 Letter to Shareholders Jackson Hu, Chairman and CEO per share to shareholders. Upon completion of the In 2007, our 300mm fabs in Taiwan and Singapore capital reduction, the paid-in capital of the company will begin high-volume production for 65-nanometer will be approximately NTD 133.92 billion. This ac- products. We will continue preparing our 45- tion will contribute positively to shareholders’ equity nanometer process for pilot production in 2008. through the improvement of the company’s capital Resources will be dedicated to strengthening our structure. Going forward, we will continue to pursue position as the SoC Solution Foundry, with emphasis maximum benefits for UMC’s shareholders, employ- on IP, EDA, and Design-for-Manufacturing (DFM) ees, and our many partners in the global and domestic solutions to ease our customers’ SoC design-in. These semiconductor industry. efforts will increase the competitiveness of UMC’s coming years, and further solidify our position as a Moving Forward Moving forward, we anticipate even closer cooperation with our IDM customers and fabless partners. The trend towards IDMs adopting a “Fab-lite” or fabless strategy is accelerating, underscored by TI and NXP announcing their new fab-lite strategies. Another example of this trend is Cypress Semiconductor’s new partnership with UMC for 65-nanometer leader in the foundry industry. I would like to thank you for supporting UMC over the years, and look forward to further building UMC’s strengths to create maximum benefits for our customers and shareholders. Sincerely, production and future process development, the first time that Cypress has chosen an external foundry for manufacturing of its flagship SRAM products. This increased outsourcing trend will help contribute to UMC’s long-term growth prospects. United Microelectronics Corporation | Annual Report 2006 Corporate Overview 11 Corporate Profile 12 Milestones 10 Corporate Overview Corporate Profile UMC is a world-leading semiconductor foundry that manufactures advanced process ICs for applications spanning every major sector of the semiconductor industry. The Company’s cutting-edge foundry technologies enable the creation of faster and more powerful System-on-Chip ICs for today’s demanding applications. UMC’s technology includes a wide range of advanced processes, 90-nanometer, 65-nanometer, embedded memories, and Mixed-Signal/RF CMOS. As an industry pioneer, UMC was the first foundry to manufacture wafers using copper materials, produce chips using 90-nanometer process technology, produce chips on 300mm wafers, and deliver functional 65-nanometer ICs to its customers. UMC led the development of the commercial semiconductor industry in Taiwan. It was the first local company to offer foundry services, as well as the first semiconductor company to list on the Taiwan Stock Exchange (1985). UMC is responsible for many local industry innovations, including the introduction of the employee share bonus system, often credited as a primary factor in the development of a prominent electronics industry in Taiwan. UMC employs approximately 13,000 people worldwide. With sales and customer service offices in Taiwan, Japan, Singapore, Europe, and the United States, UMC has an extensive service network to meet the needs of its global clientele. In the future, UMC will continue to offer world leading production processes and the most comprehensive support structure for our customers to strengthen its competitive advantages in a rapidly changing industry. Date of Incorporation May 22, 1980 11 United Microelectronics Corporation | Annual Report 2006 Milestones 1980 MAY UMC established. 1985 JUL. Becomes the first IC company to list on the Taiwan Stock Exchange. 1995 JUL. Begins transformation into a pure-play foundry. JUL. Establishes joint venture foundry USC. AUG.Establishes joint venture foundry UICC. SEP. Establishes joint venture foundry USIC. SEP. 200mm fab begins production. 1996 JAN. 0.35-micron volume production. 1997 OCT. 0.25-micron volume production. 1998 APR. Acquires Holtek Semiconductor. DEC. Acquires Nippon Steel Semiconductor Corp.; renamed Fab UMCJ in 2001. 1999 MAR.0.18-micron volume production. NOV. Begins construction of 300mm fab in Taiwan’s Tainan Science Park, Fab 12A. 12 Corporate Overview 2000 JAN. Completes consolidation of five companies: UMC, USC, UTEK, USIC and UICC. MAR.Ships first foundry chips using copper process. MAY Produces foundry industry’s first 0.13-micron integrated circuits. SEP. Makes its debut on the New York Stock Exchange. DEC. Announces plan to establish advanced 300mm foundry in Singapore (UMCi). 2003 JAN. Announces equipment move-in at UMCi. MAR.Delivers foundry’s first customer ICs built on 90-nanometer. 2004 MAR.UMCi moves to full-scale 300mm production. MAY 90-nanometer full qualification and volume production. JUL. Completes acquisition of SiS Microelectronics Corp. DEC. Fully acquires its subsidiary UMCi; renamed UMC Fab 12i. 2005 JUN. Delivered the foundry industry’s first 65-nanometer customer products. AUG. Achieves record milestone of over 100,000 90-nanometer wafer shipments. 2006 JUN. Becomes first IC company to achieve QC 080000 IECQ HSPM qualification for all fabs. NOV. Produces working 45-nanometer ICs. 2007 JAN. Expands advanced technology complex in Tainan Science Park. 13 United Microelectronics Corporation | Annual Report 2006 14 Corporate Governance Report Corporate Governance Report 16 Corporate Organization 18 Directors’, Supervisors’ and Managers’ Information 33 Corporate Governance Practices 35 Status of Internal Control 37 Auditing Notes 38 Change in Shareholding of Directors, Supervisors, Managers and Major Shareholders 39 Information Disclosing the Relationship Between Any of the Company’s Top Ten Shareholders 40 Total Percentage of Ownership of Investees 15 United Microelectronics Corporation | Annual Report 2006 Corporate Organization Customer American Business Group Japan Business Group Asia Business Group Europe Business Group The Chairman and CEO Office Board of Directors 16 New Business Development Group Corporate Governance Report Corporate Marketing and Central Sales Operation Divisions Responsible for corporate marketing affairs Intellectual Property Development & Design Support Division Responsible for intellectual property development & design support affairs Central R&D and Specialty Technology Divisions Responsible for research and development of new processes and technologies Fab 6A, Fab 8AB, Fab 8C, Fab 8D, Fab 8E, Fab 8F, Fab 8S, Fab 12A, Fab 12i, 12B Plant Construction Team, Central Manufacturing Planning, Facility Operation & Construction, Group Risk Management & Environmental Safety & Health, Information Technology, Operations Support and Equipment Resources Integration Divisions, and Manufacturing Technology Division Responsible for Fab production, manufacturing, and operational support Mask Engineering & Service, Product Engineering, Quality Assurance, Reliability Technology & Assurance and Test & Package Engineering Service Divisions, and TQM Committee Responsible for mask engineering, testing and packaging service, and product quality Intellectual Property Rights Division Responsible for intellectual property rights protection and legal affairs Finance and Accounting Divisions Responsible for finance and accounting Human Resources Division Responsible for HR and general affairs Auditing Division Responsible for auditing March 21, 2005 17 United Microelectronics Corporation | Annual Report 2006 Directors’ and Supervisors’ Information Name Title Date Elected [Date Assumed] (Date First Elected) Term (Yrs.) 2006.6.12 (1995.6.21) Jackson Hu Chairman and CEO Shareholding when Elected Present Shareholding Spouse & Minor Shareholding Common Shares % Common Shares % Common Shares % 3 599,696,356 3.02 605,830,368 3.17 - - 2006.6.12 (2004.2.4) 3 1,875,943 0.01 2,045,131 0.01 - - Peter Chang Managing Director 2006.6.12 (2001.5.30) 3 8,617,440 0.04 8,855,583 0.05 771,640 0.00 Ching-Chang Wen Managing Director 2006.6.12 (2001.5.30) 3 5,614,913 0.03 5,822,345 0.03 10,401 0.00 Fu-Tai Liou Director 2006.6.12 (2001.5.30) 3 5,527,407 0.03 5,483,944 0.03 - - 2006.6.12 (2005.6.13) 3 428,511,368 2.16 432,894,409 2.26 - - Shih-Wei Sun Director 2006.6.12 (2006.6.12) 3 15,192,341 0.08 14,502,644 0.08 1,033,471 0.01 Stan Hung Director 2006.6.12 (2001.5.30) 3 17,404,005 0.09 17,732,022 0.09 2,036,700 0.01 Chun-Yen Chang Independent Director 2006.6.12 (2006.6.12) 3 - - - - 1,435 0.00 Chung Laung Liu Independent Director 2006.6.12 (2006.6.12) 3 - - - - - - Paul S.C. Hsu Independent Director 2006.6.12 (2004.6.1) 3 - - - - - - Hsun Chieh Investment Co., Ltd. 2006.6.12 (1995.6.21) 3 599,696,356 3.02 605,830,368 3.17 - - 2006.6.12 (2002.3.14) 3 19,650,715 0.10 19,851,712 0.10 209,158 0.00 2006.6.12 (2005.6.13) 3 428,511,368 2.16 432,894,409 2.26 - - 2006.6.12 (2006.6.12) 3 - - - - - - 2006.6.12 (2006.6.12) 3 16,182,403 0.08 16,947,925 0.09 - - Hsun Chieh Investment Co., Ltd. Representatives Silicon Integrated Systems Corp. Representatives Representatives Tzyy-Jang Tseng Supervisor Silicon Integrated Systems Corp. Representatives Ting-Yu Lin Supervisor Ta-Hsing Wang Supervisor Notes (1) Present shareholding figures are actual number of shares held on February 28, 2007.(2) Directors’ and Supervisors’ election date is the same date they assumed their positions. (3) Directors and Supervisors are not spouses or siblings of other managers, directors, and supervisors. (4) Directors and Supervisors did not hold shares through other parties. (5) Fu-Tai Liou, Shih-Wei Sun, and Stan Hung were elected as Directors at the Annual General Meeting on June 12, 2006. (6) Ta-Hsing Wang and Ting-Yu Lin were elected as Supervisors at the Annual General Meeting on June 12, 2006. 18 Corporate Governance Report Experience Education Also Serves Concurrently as - - Chairman and CEO, UMC Ph.D. of Computer Science, University of Illinois at Urbana-Champaign Independent Director, Compal Communications, Inc. Director, UMC Master of Electrical Engineering, University of Texas at Austin - Director, UMC Ph.D. of Electrical Engineering, University of Pennsylvania Director and President, UMC Japan Director, UMC Ph.D. of Material Science & Engineering, State University of New York at Stony Brook - - - Director, UMC Ph.D. of Electronic Materials, Northwestern University - Director, UMC Bachelor of Accounting, Tamkang University Independent Director, A-DATA Technology Co., Ltd.; Director, Fortune Venture Capital Corporation; Director, United Microdisplay Optronics Corporation; Director, TLC Capital Co., Ltd.; Supervisor, Novatek Microelectronics Corp., Ltd.; Supervisor, SpringSoft, Ltd. Academician, Academia Sinica Ph.D. of Electronics Engineering, National Chiao Tung University - Honorary Chair Professor, National Tsing Hua University Sc. D. of Massachusetts Institute of Technology Independent Director, Macronix International Co., Ltd.; Independent Director, Anpec Electronics Corporation; Independent Director, Lightronik Technology Inc.; Independent Director, Mototech Inc. Far East Group Chair Professor of Management, Yuan-Ze University Ph.D. of Business Administration, University of Michigan Chairman, Taiwan Assessment and Evaluation Association; Independent Director, Faraday Technology Corp.; Independent Director, Taiwan Chi Cheng Enterprise Co., Ltd.; Supervisor, Far Eastern International Bank - - Chairman, Unimicron Technology Corp. Master of Physics, National Tsing Hua University Chairman, Unimicron Technology Corp.; Director, Harvatek Corp.; Chairman, Subtron Technology Co., Ltd.; Supervisor, Fortune Venture Capital Corporation - - Director, Pacific Technology Group MBA, Columbia University - Chairman, Sunrox International Inc. Master of International Finance, Meiji University - 19 United Microelectronics Corporation | Annual Report 2006 List of Major Shareholders of UMC’s Institutional Shareholders UMC’s Institutional Shareholders Major Shareholders of UMC’s Institutional Shareholders (Holding Percentage) Hsun Chieh Investment Co., Ltd. Hsieh Yong Capital Co., Ltd.(63.48%), United Microelectronics Corporation(36.49%) Silicon Integrated Systems Corp. United Microelectronics Corporation(16.09%); Buddhist Compassion Relief Tzu Chi Foundation Taiwan(1.53%); Crédit Agricole (Suisse) SA (1.29%); Morgan Stanley & Co. International Limited(1.20%); Chuin Li Investment Corporation(1.15%); Shin-Sen Liu(1.12%); Chuin Tsie Investment Corporation(1.10%); HSBC, as the representative of HKIT-Pacific Glory Finance One Ltd.(1.06%); Samuel Liu(0.81%); R.O.C. Public Service Pension Fund(0.50%) List of Institutional Shareholders of the Major Shareholders Institutional Shareholders Major Shareholders of the Institutional Shareholders (Holding Percentage) Hsieh Yong Capital Co., Ltd. Unimicron Technology Corp.(16.67%), Silicon Integrated Systems Corp. (16.67%), Novatek Microelectronics Corp., Ltd. (15.15%), Faraday Technology Corporation(12.12%), King Yuan Electronics Co., Ltd.(7.58%) Buddhist Compassion Relief Tzu Chi Foundation Taiwan Not Applicable. Chuin Li Investment Corporation Robert H.C. Tsao(27.69%), John Hsuan(15.89%) Chuin Tsie Investment Corporation Robert H.C. Tsao(36.00%), John Hsuan(13.33%) R.O.C. Public Service Pension Fund Not Applicable. 20 Corporate Governance Report Directors’ and Supervisors’ Professional Knowledge and Independence Information Name Five or more Years Experience or Professional Qualification Lecturer or Above in Business, Law, Finance, Accounting or Corporate Business Related Fields Qualification of Justice, Procurator, Attorney, CPA, Specialist or Technician of National Examination in Corporate Business Related Fields Independence Status (Note) 2 3 4 5 6 7 8 9 Number of Companies also Serves 10 as Independent Director for Experience in Business, Law, Finance, Accounting or Corporate Business Related Fields 1 Jackson Hu Yes - - - 1 Peter Chang Yes - - - - Ching-Chang Wen Yes - - - - Fu-Tai Liou Yes - - - - Shih-Wei Sun Yes - - - - Stan Hung Yes - - - 1 Chun-Yen Chang Yes Yes - Chung Laung Liu Yes Yes 4 Paul S.C. Hsu Yes Yes 2 Tzyy-Jang Tseng Yes Ta-Hsing Wang Yes Ting-Yu Lin Yes - - - - - - Notes For those directors and supervisors who match the condition listed below during and two years before assuming period, “ ” is marked in the appropriate space. (1) Is not an employee of the Company or its affiliates. (2) Is not a director or supervisor of the Company or its affiliates. Does not include the independent directors or supervisors in the parent companies and subsidiaries. (3) Does not directly or indirectly own more than 1% of the Company’s outstanding shares; nor is one of the top ten non-institutional shareholders of the Company. (4) Is not a spouse or of immediate relation (child, parent, grandchild, grandparent, or sibling) to any person specified in the preceding two columns. (5) Is not a director, supervisor, or employee of a legal entity which directly owns more than 5% of the Company’s issued shares, nor a director, supervisor or employee of the top five legal entities which are owners of the Company’s issued shares. (6) Is not a director, supervisor, or manager of a company which has a business relationship with the Company, nor a shareholder who owns more than 5% of such a company. (7) Is not an owner, partner, director, supervisor, manager or spouse of any sole proprietor business, partnership, company or institution which has provided the Company and its affiliates with financial, business consulting, or legal services in 2006. (8) Is not a spouse or of immediate relation (child, parent, grandchild, grandparent, or sibling) to any of the directors. (9) Is not under any condition pursuant to Article 30 of the ROC Company Law. (10) Is not a legal entity owner or its representative pursuant to Article 27 of the ROC Company Law. 21 United Microelectronics Corporation | Annual Report 2006 Managers’ Information Title Name Date Elected (Date Assumed) Present Shareholding Spouse & Minor Shareholding Common Shares % Common Shares % Chairman and CEO Jackson Hu 2006.1.9 2,045,131 0.01 - - Vice Chairman Peter Chang 2000.1.3 8,855,583 0.05 771,640 0.00 Business Group President Ching-Chang Wen 2000.1.3 5,822,345 0.03 10,401 0.00 Business Group President Fu-Tai Liou 2002.12.17 5,483,944 0.03 - - Executive Vice President Shih-Wei Sun 2003.7.29 14,502,644 0.08 1,033,471 0.01 Senior Vice President Stan Hung 2005.10.21 17,732,022 0.09 2,036,700 0.01 Senior Vice President Henry Liu 2003.9.16 11,572,588 0.06 19,861 0.00 Senior Vice President Tai-Sheng Feng 2004.2.23 1,638,510 0.01 - - Vice President Nick Nee 2000.9.1 2,910,236 0.02 - - Vice President Wen-Yang Chen 1998.1.1 3,047,599 0.02 54,265 0.00 Vice President Ying-Chih Wu 1999.2.1 11,982,001 0.06 334,020 0.00 Vice President Chia-Pin Lee 2004.9.14 926,010 0.00 28,136 0.00 Vice President Lee Chung 2004.10.18 411,546 0.00 - - Vice President Shan-Chieh Chien 2004.11.23 4,135,193 0.02 3 0.00 Vice President Po-Wen Yen 2005.10.21 1,022,551 0.01 - - Vice President Tsung-Hsi Ko 2006.2.28 3,660,076 0.02 66,915 0.00 CFO Chitung Liu 2005.10.21 928,871 0.00 222,841 0.00 Notes (1) Shareholding figures are actual number of shares held on February 28, 2007. (2) Managers did not hold shares through other parties. (3) Managers are not spouses or siblings of other managers. (4) Managers’ election date is the same date they assumed their positions. 22 Corporate Governance Report Experience Education Also Serves Concurrently as Chairman and CEO, UMC Ph.D. of Computer Science, University of Illinois at Urbana-Champaign Independent Director, Compal Communications, Inc. Director, UMC Master of Electrical Engineering, University of Texas at Austin - Director, UMC Ph.D. of Electrical Engineering, University of Pennsylvania Director and President, UMC Japan Director, UMC Ph.D. of Material Science & Engineering, State University of New York at Stony Brook - Director, UMC Ph.D. of Electronic Materials, Northwestern University - Director, UMC Bachelor of Accounting, Tamkang University Independent Director, A-DATA Technology Co., Ltd.; Director, Fortune Venture Capital Corporation; Director, United Microdisplay Optronics Corporation; Director, TLC Capital Co., Ltd.; Supervisor, Novatek Microelectronics Corp., Ltd.; Supervisor, SpringSoft, Ltd. Senior Vice President, UMC Bachelor of Electronics Engineering, National Taiwan University of Science and Technology - Senior Vice President, UMC Master of Electrical Engineering, University of Utah - Vice President, UMC Bachelor of Marine Engineering, National Taiwan Ocean University - Vice President, UMC Master of Electronics Engineering, National Chiao Tung University Director, UMC Japan Vice President, UMC Bachelor of Physics, National Changhua University - Vice President, UMC MBA, University of Oregon State - Vice President, UMC Master of Materials Science, University of California, L.A. - Vice President, UMC Bachelor of Chemical Engineering, National Taiwan University - Vice President, UMC Master of Chemical Engineering, National Taiwan University - Vice President, UMC EMBA, National Chiao Tung University - CFO, UMC National Taiwan University EMBA candidate Director, Novatek Microelectronics Corp., Ltd.; Supervisor, UMC Japan; Supervisor, TLC Capital Co., Ltd. 23 United Microelectronics Corporation | Annual Report 2006 The Compensation of Directors, Supervisors and Managers Directors’ Compensation Directors’ Compensation Allowance UMC Directors’ Remuneration Operating Expenses UMC’s Consolidated Companies UMC UMC’s Consolidated Companies UMC UMC’s Consolidated Companies UMC UMC’s Consolidated Companies - 13,015 13,015 390 390 0.04 0.04 - Title Name Representatives Director Hsun Chieh Investment Co., Ltd. Jackson Hu Peter Chang Ching-Chang Wen Fu-Tai Liou Director Silicon Integrated Systems Corp. Shih-Wei Sun Stan Hung Independent Director Chun-Yen Chang Independent Director Chung Laung Liu Independent Director Paul S.C. Hsu Note Fu-Tai Liou, Shih-Wei Sun, and Stan Hung were elected as Directors at the Annual General Meeting on June 12, 2006. 24 The Percentage of Directors’ Compensation to EAIT (%) Corporate Governance Report In thousand NTD Managers’ Compensation Salaries UMC 22,190 UMC’s Consolidated Companies 28,341 Employees’ Bonus UMC Cash Stock 45,000 - UMC’s Consolidated Companies Cash Stock 45,000 - The Percentage of Total Compensation to Employee Stock EAIT (%) Options (Shares) UMC UMC’s Consolidated Companies UMC UMC’s Consolidated Companies - - 0.25 0.27 Levels of Amounts of Compensation Compensation from Other UMC Investee Companies None Number of Directors Directors’ Compensation Total Compensation UMC UMC’s Consolidated Companies UMC UMC’s Consolidated Companies Lower than NTD 2,000,000 6 6 - - NTD 2,000,000~NTD 4,999,999 3 3 3 3 NTD 5,000,000~NTD 9,999,999 - - - - NTD 10,000,000~NTD 14,999,999 - - 5 5 NTD 15,000,000~NTD 29,999,999 - - 1 1 NTD 30,000,000~NTD 49,999,999 - - - - NTD 50,000,000~NTD 99,999,999 - - - - NTD 100,000,000 or More - - - - Total 9 9 9 9 25 United Microelectronics Corporation | Annual Report 2006 The Compensation of Directors, Supervisors and Managers (cont.) Supervisors’ Compensation Supervisors’ Compensation Allowance UMC Supervisors’ Remuneration Operating Expenses UMC UMC’s Consolidated Companies UMC’s Consolidated Companies UMC UMC’s Consolidated Companies - 2,479 2,479 - Title Name Representatives Supervisor Hsun Chieh Investment Co., Ltd. Tzyy-Jang Tseng Supervisor Silicon Integrated Systems Corp. Ta-Hsing Wang Supervisor Ting-Yu Lin Note Ta-Hsing Wang and Ting-Yu Lin were elected as Supervisors at the Annual General Meeting on June 12, 2006. 26 120 120 Corporate Governance Report In thousand NTD The Percentage of Supervisors’ Compensation to EAIT (%) UMC 0.01 Compensation from other UMC investee companies UMC’s Consolidated Companies 0.01 None Levels of Amounts of Compensation Number of Supervisors Total Compensation UMC UMC’s Consolidated Companies Lower than NTD 2,000,000 3 3 NTD 2,000,000~NTD 4,999,999 - - NTD 5,000,000~NTD 9,999,999 - - NTD 10,000,000~NTD 14,999,999 - - NTD 15,000,000~NTD 29,999,999 - - NTD 30,000,000~NTD 49,999,999 - - NTD 50,000,000~NTD 99,999,999 - - NTD 100,000,000 or More - - Total 3 3 27 United Microelectronics Corporation | Annual Report 2006 The Compensation of Directors, Supervisors and Managers (cont.) Managers’ Compensation Salaries UMC UMC’s Consolidated Companies 34,544 40,695 Bonus and Special Allowance UMC UMC’s Consolidated Companies 37,116 Title Name Chairman and CEO Jackson Hu Vice Chairman Peter Chang Former President Hong-Jen Wu Business Group President Ching-Chang Wen Business Group President Fu-Tai Liou Executive Vice President Shih-Wei Sun Senior Vice President Stan Hung Senior Vice President Henry Liu Senior Vice President Tai-Sheng Feng Vice President Nick Nee Vice President Wen-Yang Chen Vice President Ying-Chih Wu Vice President Chia-Pin Lee Vice President Lee Chung Vice President Shan-Chieh Chien Vice President Po-Wen Yen Vice President Tsung-Hsi Ko CFO Chitung Liu Note Hong-Jen Wu retired on June 30, 2006. 28 Employees’ Bonus 37,116 UMC UMC’s Consolidated Companies Cash Stock Cash Stock 98,280 - 98,280 - Corporate Governance Report In thousand NTD The Percentage of Total Compensation to EAIT (%) UMC Employee Stock Options(Shares) UMC’s Consolidated Companies UMC UMC’s Consolidated Companies 0.54 - - 0.52 Levels of Amounts of Compensation Compensation from other UMC investee companies None Number of Managers UMC UMC’s Consolidated Companies Lower than NTD 2,000,000 - - NTD 2,000,000~NTD 4,999,999 1 1 NTD 5,000,000~NTD 9,999,999 10 10 NTD 10,000,000~NTD 14,999,999 5 5 NTD 15,000,000~NTD 29,999,999 2 2 NTD 30,000,000~NTD 49,999,999 - - NTD 50,000,000~NTD 99,999,999 - - NTD 100,000,000 or More - - 18 18 Total 29 United Microelectronics Corporation | Annual Report 2006 The Compensation of Directors, Supervisors and Managers (cont.) Managers’ Bonus Stock Bonus In thousand NTD Cash Bonus Total The Percentage of Total Bonus to EAIT (%) - 98,280 98,280 0.30 Title Name Chairman and CEO Jackson Hu Vice Chairman Peter Chang Former President Hong-Jen Wu Business Group President Ching-Chang Wen Business Group President Fu-Tai Liou Executive Vice President Shih-Wei Sun Senior Vice President Stan Hung Senior Vice President Henry Liu Senior Vice President Tai-Sheng Feng Vice President Nick Nee Vice President Wen-Yang Chen Vice President Ying-Chih Wu Vice President Chia-Pin Lee Vice President Lee Chung Vice President Shan-Chieh Chien Vice President Po-Wen Yen Vice President Tsung-Hsi Ko CFO Chitung Liu 30 Corporate Governance Report Comparison of Compensation for Directors, Supervisors and Managers in the Past Two Years 2006 2005 UMC Consolidated UMC Consolidated 32,619,313 32,619,313 7,026,692 7,026,692 The Percentage of Directors’ and Supervisors’ Compensation to EAIT 0.05 0.05 0.10 0.10 The Percentage of Managers’ Compensation to EAIT 0.52 0.54 1.36 1.51 EAIT (Thousand NTD) Notes (1) The directors’ and supervisors’ compensation includes allowance, remuneration and operating expenses; the managers’ compensation includes salaries, special allowance and employees’ bonus. (2) On March 15, 2007, the Company’s Board proposed to distribute NTD 15,494,130 as Directors’ and Supervisors’ remuneration and NTD 2,324,119,405 as employee cash bonus from retained earnings of 2006 and previous years. The Company’s compensation for Directors, Supervisors and Managers is based on the Company’s Article and formulations, and is distributed in proper ratios. Compensation Policy for Directors, Supervisors and Managers Policy for Directors’ and Supervisors’ Compensation The Company’s Article has stated that Directors’ and Supervisors’ Compensation is the allocation of 0.1% of the residual amount from net profit after being deducted by payment of taxes, making up loss for preceding years and setting aside 10% for legal reserve. Policy for Managers’ Compensation The Company annually evaluates its salary level with similar industries to ensure the Company’s salary is competitive. The Company’s salary structure can be divided into fixed and variable. The compensation is set to fully reflect the achievements for individuals and teams. 31 United Microelectronics Corporation | Annual Report 2006 Information of Board Meeting Operation Board meetings were held 12 times in 2006; attendances of directors and supervisors are as follows: Name Title Attendance Proxy Attendance Attendance Rate (%) (Note) Remarks Hsun Chieh Investment Co., Ltd. Representatives: Jackson Hu Chairman 11 91.67 Representatives: Peter Chang Managing Director 11 91.67 Representatives: Ching-Chang Wen Managing Director 5 41.67 Representatives: Fu-Tai Liou Director 3 75.00 Elected on 2006.6.12 Representatives: Shih-Wei Sun Director 3 75.00 Elected on 2006.6.12 Representatives: Stan Hung Director 4 100.00 Elected on 2006.6.12 Chun-Yen Chang Independent Director 3 75.00 Elected on 2006.6.12 Chung Laung Liu Independent Director 4 100.00 Elected on 2006.6.12 Paul S.C. Hsu Independent Director 10 83.33 Supervisor 8 66.67 Supervisor 3 75.00 Elected on 2006.6.12 Ting-Yu Lin Supervisor 3 75.00 Elected on 2006.6.12 Robert H.C. Tsao Former Chairman 2 100.00 Resigned on 2006.1.9 John Hsuan Former Vice Chairman 2 100.00 Resigned on 2006.1.9 Jack K.C. Wang Former Director 8 100.00 Expired on 2006.6.11 Mao-Chung Lin Former Director 8 100.00 Expired on 2006.6.11 Silicon Integrated Systems Corp. Former Director 5 62.50 Expired on 2006.6.11 Former Supervisor 3 37.50 Expired on 2006.6.11 Silicon Integrated Systems Corp. 1 Hsun Chieh Investment Co., Ltd. Representatives: Tzyy-Jang Tseng Silicon Integrated Systems Corp. Representatives: Ta-Hsing Wang 1 Chuin Tsie Investment Corporation Representatives: Tsing-Yuan Hwang Other disclosures: The board resolved the proportion of directors’ and supervisors’ compensation distribution for 2006 on December 28, 2006; all directors were agreed upon except for Chun-Yen Chang, Chung Laung Liu and Paul S.C. Hsu, who abstained due to their independent status. Note Attendance rate = Number of meetings each board member actually attends / total number of board meetings held within his or her service period. Information Regarding Audit Committee Operation Not Applicable. The audit committee of the Company was instituted under US securities authorities regulation. 32 Corporate Governance Report Corporate Governance Practices Item Actions The Reasons for the Differences between the Company’s Governance and Recognized Corporate Governance Corporate Shareholder Structure and Shareholders’ Rights: (a)How the Company handles shareholders’ The Company has designated a specific body and established an email recommendations or disputes: address to handle shareholders’ recommendations or disputes. - (b)How the Company regularly monitors There is no single shareholder who holds more than 10% of the the list of key shareholders who have Company’s total outstanding shares. management control of the Company, or those who have ultimate control of key shareholders: - (c) How the Company establishes proper risk control mechanisms and firewalls between the Company and its affiliated enterprises: The obligations and rights between the Company and its affiliated en- terprises have been clearly defined. Any transaction between the Company and its affiliated enterprises complies with related regulations. The Structure and Responsibilities of the Board: (a) Independent directors on the Company’s Board: The Company has instituted three independent directors. - (b)How the Company periodically evaluates the independence of its auditors: The Company’s auditor is one of the largest and best regarded in its industry. The auditor assiduously avoids conflicts of interests. - The Composition and Responsibilities of Supervisors: (a) How the Company institutes independent supervisors: The Company currently has no independent supervisors. (b)How the supervisors communicate with the Company’s employees and shareholders: At any time, a supervisor may individually investigate the business and financial conditions of the Company, and may ask the Board of Directors or executive managers to prepare a report. The Company’s Communication Channels for its Stakeholders: The Company has designated a specific unit and established an email address to handle stakeholders’ concerns. - Information Disclosure: (a) How the Company establishes a website to disclose financial and corporate governance information: The Company regularly publishes up-to-date detailed financial and corporate governance information on its website in both Chinese and English. (b)Other channels for the disclosure of the Company’s information: The Company has designated a specific body to collect and disclose in- formation about the Company. In addition, the Company has established standard procedures for an authorized spokesperson to make statements on behalf of the Company. The Company has one main spokesperson and two deputy spokespersons. To ensure the quality of information disclosure, the Company has set up a Disclosure Committee designed to provide and control information for government officials in a timely and accurate manner, thus achieving the goal and responsibility to thoroughly disclose corporate information. 33 United Microelectronics Corporation | Annual Report 2006 Corporate Governance Practices (cont.) Item Actions The Reasons for the Differences between the Company’s Governance and Recognized Corporate Governance The operation of functional committee work within the Board of Directors of the Company: The Company has instituted an audit committee. The operation details are disclosed on page 95. - The comparison between the Company’s corporate governance mechanism and the recognized corporate governance principles: The Company bases its corporate governance structures and practices on Taiwan’s Company Law, the Securities and Exchange Law, and their related rules and regulations. The Company’s corporate governance mechanism follows recognized corporate governance principles. The Company’s policy and efforts to be socially responsible: When UMC was founded, its long-term policy stated that the Company should contribute to society in addition to focusing on its core business. Therefore, providing public services to address current society issues has become part of UMC’s goals. UMC’s public service scope includes the Company itself, its employees, employees’ families, the local community, and various other social entities. UMC’s public service aspects include education, environmental protection, cultural activities and childcare. The Company’s public services are handled by two major organizations: the UMC Candlelight Charity Club, whose purpose is to assist disadvantaged minorities, and the UMC Science and Culture Foundation, whose purpose is to support affairs regarding education, culture, sports and environmental protection. The Company also established a “Policy and Procedures for Refraining from Insider Trading” in May 2005 to provide a guideline for the Company’s related parties to prevent insider trading. The descriptions about labor relationships, environmental protection and relationships with suppliers are disclosed in the Operations Overview section. Other information disclosures: (a) Has the Company established any educational programs for its board members? The Company provides information related to professional educational opportunities to all board members. (b) The attendance of directors and supervisors to the board meeting: In 2006, the attendance rate of directors was 84%; the attendance rate of supervisors was 61%. (c) Has the Company established a risk management policy and standards for evaluating risk and implementing its risk management policy? Not Applicable. (d) Has the Company established policies to protect consumers or its customers and does it regularly evaluate the policies’ implementation? Not Applicable. (e) Is there a policy to ensure board members avoid introducing topics of discussion that would advance their own vested interests? The board is well disciplined and enforces a strict policy of separating personal and company interests amongst its members. (f) Has the Company purchased liability insurance for its directors and supervisors? The Company has purchased liability insurance for its directors since 2000. (g) The Corporate Governance Statement: http://www.umc.com/english/investors/corp_gov.asp The result, material deficiency (or suggestion) and improvement of corporate governance assessed by internal audit or professional institutions: None. 34 Corporate Governance Report Status of Internal Control Statement of Internal Control The self-assessment of UMC’s internal control was conducted for the year ended December 31, 2006 based on UMC’s internal control system. The results are described as follows: 1.UMC acknowledges that the Board of Directors and the management are responsible for establishing, executing, and maintaining a sufficient internal control system, which is already in place. The purposes of the internal control system are to provide a reasonable assurance of achieving the goals of efficiency and effectiveness of the operations, such as profitability, performance and the safeguard of the assets, the reliability of the financial reports and the compliance with applicable laws and regulations. 2.The internal control system has its inherent constraints, and can only provide reasonable assurances of achiev ing the three goals mentioned above no matter how well it has been designed. The effectiveness of the internal control system is subject to changes in the environment and circumstances. UMC has established an internal control system with the function of self-monitoring, which is designed to take corrective actions whenever a shortcoming is identified. 3.UMC’s assessment of the effectiveness of the design and execution of the internal control system is based on the Regulations Governing Establistment of Internal Control Systems by Public Companies (the Regulations) currently in effect in the Republic of China (“R.O.C.”), which specify the judgement items for evaluating the effectiveness of internal control. The internal control is divided into five components, based on the process of management control, according to the judgement items for internal control employed by the Regulations, such as: (1) Control Environment, (2) Risk Assessments, (3) Control Activities, (4) Information and Communication, and (5) Monitoring. Each component consists of certain items, which could be referred to the Regulations. 4.UMC has employed the judgement items mentioned above to evaluate the effectiveness of the design and execution of the internal control system. 5.UMC believes that the effectiveness of the design and execution of its internal control system (including subsidiaries) during the above mentioned assessment period provides reasonable assurance of achieving the goals of efficiency and effectiveness of operations, the reliability of financial reports and the compliance with applicable R.O.C. laws and regulations. 6.The Statement of Internal Control will be an integral part of UMC’s annual report and prospectus that are open to the public, and within which any illegal acts, such as misstatement or concealment, would be subject to the legal liabilities of Code 20, Code 32, Code 171 and Code 174 of the Securities Exchange Laws. 7.UMC’s Board of Directors approved the Statement of Internal Control (the Statement) on March 15, 2007. Nine directors attended and agreed with the content of the Statement. Jackson Hu, Chairman and CEO March 15, 2007 The Company was not required to engage with a CPA to attest to the internal control system under R.O.C. regulations; therefore, there is no CPA audit report on internal control to be disclosed for 2006 in this annual report. 35 United Microelectronics Corporation | Annual Report 2006 Major Resolutions of the Shareholders’ Meeting and the Board of Directors’ Meetings Shareholders’ Meeting The Company’s 2006 Shareholders’ Meeting was held at UMC Recreation Center in Hsinchu Science Park on June 12, 2006. The shareholders present in person or by proxy approved the following resolutions: 1.Acceptance of the 2005 business report and financial statement. 2.Distribution of 2005 retained earnings. 3.Capitalization of retained earnings and additional paid-in capital from 2005 and previous years. 4.Amendment of the Company’s Articles of Incorporation, Endorsements and Guarantees Procedure and Financial Derivatives Transaction Procedure. 5.Election of the Company’s 10th term of Directors and Supervisors. Board of Directors’ Meetings The major resolutions from the Board of Directors from January 1, 2006 to the printing day are summarized below: 1.The election of Jackson Hu as Chairman. 2.The disposal of 63.48% of the equity of its subsidiary Hsun Chieh Investment Co., Ltd. to Hsieh Yong Capital Co., Ltd. 3.The 10th share buyback program. 4.Acceptance of the 2005 business report and financial statement. 5. Distribution of 2005 retained earnings. 6. Capitalization of retained earnings from 2005 and previous years and additional paid-in capital. 7. Modify the term “Audit Committee” in Chinese to avoid misinterpretation under Taiwan Laws. 8. The election of the 10th term of Directors and Supervisors. 9. Cancellation of 1,000,000,000 treasury shares. 10.The 11th share buyback program. 11.The election of Managing Directors. 12. The election of Audit Committee members. 13. The execution of ADS conversion sales program for UMC’s common shareholders. 14. The authorization of Audit Committee to review and approve the compensation for CEO. 15. The Adoption of the Conduct of Board Meeting. 16.Issuance of employee stock options. 17. Capital Reduction. 18.Acceptance of the 2006 business report and financial statement. 19.Distribution of 2006 retained earnings. 20.Investment related to mainland China. Description of Violations/Infringement of Regulations and the Company’s Response On December 1, 2006, the Company dismissed an employee for violating IT safety regulations of the Company Employee Discipline Rules and breaching of the confidentiality clause of the Company’s Employment Agreement. The Company implemented related preventive actions including promoting IT safety regulations. Directors’ or Supervisors’ Objections on the Important Resolution of Board Meetings None. Information of Resignation or Dismission of the Persons Related to Financial Reports None. 36 Corporate Governance Report Auditing Notes Disclosure of Auditing Fee (a) The amount of non-auditing relevant fees charged by the appointed independent auditors and the related parties reaches 25% of the Company’s annual auditing expenses: Not Applicable. (b) If there is any change in the appointed independent auditors and the Company’s annual auditing expenses decreased simultaneously, information regarding the amount, percentage and reasons for the decrease in auditing expenses shall be disclosed: Not Applicable. (c) Auditing expenses decreased by 15% in comparison to the previous year, information regarding the amount, percentage and reasons for the decrease in auditing expenses shall be disclosed: Not Applicable. Changes in Independent Auditors Kim Chang and MY Lee from Ernst & Young were the Company’s appointed independent auditors. As requested by Ernst & Young for its internal job rotation purpose, James Wang and MY Lee became the Company’s independent auditors since fourth quarter of 2005. The Company’s chairman, presidents, CFO or Accounting division director have not worked in the accounting firm of the appointed independent auditors or the related parties within the past year. 37 United Microelectronics Corporation | Annual Report 2006 Change in Shareholding of Directors, Supervisors, Managers and Major Shareholders Unit: share Title Name 2007 2006 Holding Increase (Decrease) Pledged Holding Increase (Decrease) Holding Increase (Decrease) Pledged Holding Increase (Decrease) Chairman, Supervisor Hsun Chieh Investment Co., Ltd. - - 6,134,012 5,000,000 Director, Supervisor Silicon Integrated Systems Corp. - - 4,383,041 - Independent Director Chun-Yen Chang - - - - Independent Director Chung Laung Liu - - - - Independent Director Paul S.C. Hsu - - - - Supervisor Ting-Yu Lin - - 765,522 - Chairman and CEO Jackson Hu - - 169,188 - Vice Chairman Peter Chang - - 238,143 - Business Group President Ching-Chang Wen - - 207,432 - Business Group President Fu-Tai Liou - (13,463) - Executive Vice President Shih-Wei Sun - - (756,686) - Senior Vice President Stan Hung - - 328,017 - Senior Vice President Henry Liu - (10,803) - Senior Vice President Tai-Sheng Feng - - 165,071 - Vice President Nick Nee - - (1,460,332) Vice President Wen-Yang Chen - - (5,829,656) - Vice President Ying-Chih Wu - - (745,038) - Vice President Chia-Pin Lee - - 93,515 - Vice President Lee Chung - - (94,922) - Vice President Shan-Chieh Chien 2,300,000 1,300,000 Vice President Po-Wen Yen - - (317,686) 220,000 Vice President Tsung-Hsi Ko - - 236,045 100,000 CFO Chitung Liu - - 88,594 - (30,000) (70,000) 117,568 (1,100,000) 1,800,000 Notes (1) No shareholder owns 10% or more of UMC shares. (2) The data represented for 2007 was gathered until February 28, 2007. (3) Counterparts of the shareholding transferred or pledged are not related parties. (4) The share changes for Chun-Yen Chang, Chung Laung Liu, Ting-Yu Lin, Po-Wen Yen, Tsung-Hsi Ko, and Chitung Liu are calculated starting from the assumed date. 38 Corporate Governance Report Information Disclosing the Relationship Between Any of the Company’s Top Ten Shareholders None. 39 United Microelectronics Corporation | Annual Report 2006 Total Percentage of Ownership of Investees Investees UMC Investments Investments from Directors, Supervisors, Managers, and Directly or Indirectly Controlled Businesses Total Investments Shares % Shares % Shares % 18,460,153 16.60 - - 18,460,153 16.60 202,366,540 19.89 24,115,891 2.37 226,482,431 22.26 55,611,441 17.27 - - 55,611,441 17.27 499,994,000 99.99 - - 499,994,000 99.99 Hsun Chieh Investment Co., Ltd. 33,624,110 36.49 - - 33,624,110 36.49 Pacific Venture Capital Co., Ltd. 30,000,000 49.99 - - 30,000,000 49.99 Novatek Microelectronics Corp. 60,072,615 11.54 4,123,999 0.79 64,196,614 12.33 ITE Tech. Inc. 24,229,364 21.80 - - 24,229,364 21.80 Holtek Semiconductor Inc. 51,939,380 24.45 - - 51,939,380 24.45 AMIC Technology Corporation 16,200,000 11.86 23,464,808 17.18 39,664,808 29.04 United Microdisplay Optronics Corp. 64,313,176 81.76 - - 64,313,176 81.76 228,955,885 16.09 - - 228,955,885 16.09 16,437,500 100.00 - - 16,437,500 100.00 495,650 50.09 57,880 5.85 553,530 55.94 UMCi Ltd. 880,006,287 100.00 - - 880,006,287 100.00 UMC Capital Corp. 124, 000,000 100.00 - - 124, 000,000 100.00 280,000 100.00 - - 280,000 100.00 9,000 100.00 - - 9,000 100.00 Unitech Capital Inc. 21,000,000 42.00 - - 21,000,000 42.00 XGI Technology Inc. 8,757,580 16.48 8,318,744 15.65 17,076,324 32.13 TLC Capital Co.,Ltd. 600,000,000 100.00 - - 600,000,000 100.00 MediaTek Inc. 14,979,499 1.55 1,928 0.00 14,981,427 1.55 AU Optronics Corp. 78,265,799 1.03 126,155 0.00 78,391,954 1.03 United Fu Shen Chen Technology Corp. Unimicron Technology Corp. Faraday Technology Corp. Fortune Venture Capital Corporation Silicon Integrated Systems Corp. UMC Group (USA) UMC Japan United Microelectronics Corp. (Samoa) United Microelectronics (Europe) B.V. Notes (1) The companies listed above are UMC’s funds and investments. (2) Shareholding figures are actual number of shares held on December 31, 2006. 40 Corporate Governance Report Investees UMC Investments Investments from Directors, Supervisors, Managers, and Directly or Indirectly Controlled Businesses Total Investments Shares % Shares % Shares % 3,082,877 4.40 674,702 0.96 3,757,579 5.36 Sino-Aerospace Investment Corp. 28,500,000 11.11 - - 28,500,000 11.11 TECO Nanotech Co., Ltd. 11,000,757 4.56 - - 11,000,757 4.56 United Industrial Gases Co., Ltd. 13,185,529 7.80 - - 13,185,529 7.80 Mega Financial Holding Company 95,576,810 0.86 508 0.00 95,577,318 0.86 1,056,795 0.02 - - 1,056,795 0.02 118,302,849 4.95 - - 118,302,849 4.95 Subtron Technology Co., Ltd. 11,520,000 4.79 10,156,900 4.22 21,676,900 9.01 Taiwan High Speed Rail Corporation Preferred Stock 30,000,000 - - - 30,000,000 - Billionton Systems Inc. 2,047, 819 2.63 - - 2,047, 819 2.63 PixTech, Inc. 9,883,470 17.63 - - 9,883,470 17.63 Pacific Technology Partners, L.P. - - - - - - Pacific United Technology, L.P. - - - - - - Chipbond Technology Corporation 12,329,742 4.15 7,817,152 2.63 20,146,894 6.78 Epitech Technology Corporation 37,221,421 10.06 28,627,486 7.74 65,848,907 17.80 Highlink Technology Corp. 28,500,000 18.97 17,514,550 11.66 46,014,550 30.63 - 45.00 - - - 45.00 MTIC Holdings Pte Ltd. 4,000,000 49.94 - - 4,000,000 49.94 MTIC Holdings Pte Ltd. Preferred Stock 4,000,000 - - - 4,000,000 - Springsoft, Inc. 9,466,515 4.78 - - 9,466,515 4.78 35,007,928 3.21 - - 35,007,928 3.21 1,753,020 0.51 20,163,440 5.84 21,916,460 6.35 C-Com Corporation Hon Hai Precision Industry Co., Ltd. Industrial Bank of Taiwan Corp. Mega Mission Limited Partnership King Yuan Electronics Co., Ltd. Rechi Precision Co., Ltd. 41 United Microelectronics Corporation | Annual Report 2006 Capital Overview 43 Capital and Shares 50 Corporate Bonds 55 Preferred Stock 56 American Depositary Receipts 58 Employee Stock Option Certificates 63 Mergers and Acquisitions 63 Financing Plans and Execution Status 42 Capital Overview Capital and Shares Source of Capital Date Issue Price (Per share) Authorized Shares Issued Shares Remarks Shares Total Shares Total Source of Assets other Other (In thousands) (In thousand NTD) (In thousands) (In thousand NTD) Capital than Cash Used for Capital January, 2006 NTD 10 26,000,000 260,000,000 19,794,703 197,947,033 Note 1 - - April, 2006 NTD 10 26,000,000 260,000,000 19,845,234 198,452,341 Note 2 - - June, 2006 NTD 10 26,000,000 260,000,000 18,845,234 188,452,341 Note 3 - - July, 2006 NTD 10 26,000,000 260,000,000 19,070,111 190,701,112 Note 4 - - October, 2006 NTD 10 26,000,000 260,000,000 19,085,310 190,853,097 Note 5 - - January, 2007 NTD 10 26,000,000 260,000,000 19,131,193 191,311,927 Note 6 - - Notes (1) On January 16, 2006, the Science Park Administration approved the issuance of NTD 288,445 thousand from the execution of employee stock options during the 4th quarter of 2005. The Company’s paid-in capital was increased to NTD 197,947,033 thousand. (2) On April 6, 2006, the Science Park Administration approved the issuance of NTD 505,308 thousand from the execution of employee stock options during the 1st quarter of 2006. The Company’s paid-in capital was increased to NTD 198,452,341 thousand. (3) On June 2, 2006, the Science Park Administration approved the capital reduction of NTD 10,000,000 thousand due to cancellation of treasury shares. The Company’s paid-in capital was decreased to NTD 188,452,341 thousand. (4) On July 11, 2006, the R.O.C. FSC approved the issuance of NTD 2,248,771 thousand from the capitalization of retained earnings and additional paid-in capital. The Company’s paid-in capital was increased to NTD 190,701,112 thousand. (5) On October 14, 2006, the Science Park Administration approved the issuance of NTD 151,985 thousand from the execution of employee stock options during the 3rd quarter of 2006. The Company’s paid-in capital was increased to NTD 190,853,097 thousand. (6) On January 16, 2007, the Science Park Administration approved the issuance of NTD 458,830 thousand from the execution of employee stock options during the 4th quarter of 2006. The Company’s paid-in capital was increased to NTD 191,311,927 thousand. Unit: share Share Type Common stock Authorized Shares Issued Shares Un-issued Shares Total Allotment for Convertible Bonds 19,131,192,690 6,868,807,310 26,000,000,000 1,500,000,000 Allotment for Stock Option Certificates (Units) 2,000,000,000 Securities under General Application System Not applicable. 43 United Microelectronics Corporation | Annual Report 2006 Capital and Shares (cont.) Status of Shareholders Item Stock: common share Government Agencies Financial Institutions Other Legal Entities Domestic Individuals Foreign Institutions & Individuals Total 21 39 1,016 849,042 1,109 851,227 27,731,900 262,007,234 3,777,439,768 7,972,544,290 7,030,387,998 19,070,111,190 0.14 1.37 19.81 41.81 36.87 100.00 Number of shareholders Shareholding (Shares) Percentage (%) Note The data shown above was recorded on August 8, 2006, which was the record date for the distribution of 2005 stock dividends. Distribution of Common Shares Class of Shareholding (Unit: Share) Number of Shareholders Shareholding (Shares) % 1~ 999 246,819 91,068,242 0.48 1,000 ~ 5,000 338,221 825,523,709 4.33 5,001 ~ 10,000 117,291 812,198,939 4.26 10,001 ~ 15,000 56,790 676,797,401 3.55 15,001 ~ 20,000 23,791 410,420,036 2.15 20,001 ~ 30,000 27,432 656,512,957 3.44 30,001 ~ 40,000 12,546 428,552,736 2.25 40,001 ~ 50,000 6,611 292,776,398 1.53 50,001 ~ 100,000 12,431 833,846,481 4.37 100,001 ~ 200,000 5,331 710,697,195 3.73 200,001 ~ 400,000 2,126 568,453,555 2.98 400,001 ~ 600,000 561 270,684,876 1.42 600,001 ~ 800,000 279 192,002,576 1.01 800,001 ~ 1,000,000 139 123,552,092 0.65 Over 1,000,001 859 12,177,023,997 63.85 851,227 19,070,111,190 100.00 Total Note The data shown above was recorded on August 8, 2006, which was the record date for the distribution of 2005 stock dividends. Preferred Stock None. 44 Capital Overview List of Major Shareholders Shareholder’s Name Shareholding Common Shares % 1,398,258,888 7.33 Hsun Chieh Investment Co., Ltd. 605,830,368 3.18 Xilinx Holding Three Ltd. 441,396,924 2.31 Silicon Integrated Systems Corp. 432,894,409 2.27 TECO Electric & Machinery Co., Ltd. 200,110,944 1.05 JP Morgan Chase Bank N.A., Taipei Branch, in custody of the Oppenheimer Developing Markets Fund managed by Oppenheimer Fund 181,412,798 0.95 Administrative Committee, Yao Hua Glass Co., Ltd. 149,494,020 0.78 iSHARES Inc. 133,395,262 0.70 Deutsche Bank AG 132,562,233 0.70 Citicorp Financial Service Ltd., as representative of the Singapore Government Fund 125,767,460 0.66 Citicorp Financial Service Ltd., as representative of holders of the ADRs and as nominee for Citibank, N.A., as Depositary, pursuant to a Deposit Agreement, dated as of September 21, 2000 among United Microelectronics Corporation, the Depositary and holders and beneficial owners from time to time of the ADRs issued thereunder Note The data shown above was recorded on August 8, 2006, which was the record date for the distribution of 2005 stock dividends. 45 United Microelectronics Corporation | Annual Report 2006 Market Price, Net Worth, Earnings, and Dividends per Share Unit: NTD Item 2007 (Note 7) 2006 2005 22.40 22.90 25.25 – 22.61 22.37 18.50 17.35 16.35 – 17.18 15.59 20.32 19.36 20.23 Adjusted average market price (Note 1) – 19.11 17.92 Before distribution – 16.39 14.17 After distribution – * 13.59 Weighted average shares – 18,050,962,111 shares 18,410,921,978 shares Earnings per share (Note 2) – 1.81 0.38 Earnings per share (Note 3) – * 0.38 Cash dividends – * 0.40 Dividends from retained earnings – * 0.05 Dividends from additional paid–in capital – * 0.05 Accumulated unappropriated dividends – – – Price / Earnings ratio (Note 4) – 10.59 53.42 Price / Dividends ratio (Note 5) – * 50.75 Cash dividends yield rate (Note 6) – * 0.02 Market price per share Highest market price Adjusted highest market price (Note 1) Lowest market price Adjusted lowest market price (Note 1) Average market price Net worth per share Earnings per share Dividends per share Stock dividends Return on investment * Subject to change following the 2007 shareholders’ meeting resolution. Notes (1) The calculation of adjusted market price was based on retroactive adjustment for capitalization of unappropriated earnings, additional paid-in capital and bonus to employees. (2) The calculation of EPS was based on weighted average shares outstanding for the year. (3) The calculation of EPS was based on retroactive adjustment for capitalization of unappropriated earnings, additional paid-in capital and bonus to employees. (4) Price / Earnings ratio = Average closing price / Earnings per share. (5) Price / Dividends ratio = Average closing price / Cash dividends per share. (6) Cash dividends yield rate = Cash dividends per share / Average closing price. (7) The data represented for 2007 was gathered until March 15, 2007. (8) The average closing prices for years 2005, 2006 and 2007 were NTD 20.30, NTD 19.17, and NTD 19.98, respectively. 46 Capital Overview Dividend Policy and Status Dividend Policy in the Company’s Articles of Incorporation According to the Company’s Articles of Incorporation, current year’s earnings, if any, shall be distributed in the following order: (a) Payment of all taxes and dues; (b)Offset prior years’ operating losses; (c)Set aside 10% of the remaining amount after deducting items (a) and (b) as a legal reserve; (d)Set aside 0.1% of the remaining amount after deducting items (a), (b), and (c) as directors’ and supervisors’ remuneration; and (e) After deducting items (a), (b), and (c) above from the current year’s earnings, no less than 5% of the remaining amount together with the prior years’ unappropriated earnings is to be allocated as employees’ bonus which will be settled through issuance of new Company shares or cash. Employees of the Company’s subsidiaries, meeting certain requirements determined by the board of directors, are also eligible for the employees’ bonus. (f) The distribution of the remaining portion, if any, will be recommended by the board of directors and approved through the shareholders’ meeting. The Company is in its growth stage; the policy for dividend distribution should reflect factors such as the current and future investment environment, fund requirements, domestic and international competition and capital budgets; as well as the benefit of shareholders, share bonus equilibrium, and long-term financial planning. The board of directors shall make the distribution proposal annually and present it at the shareholders’ meeting. The Company’s Articles of Incorporation further provide that no more than 80% of the dividends to shareholders, if any, must be paid in the form of stock dividends. Accordingly, at least 20% of the dividends must be paid in the form of cash. Proposed Distribution of Dividend The Company’s proposal for 2006 earnings distribution was passed on the 6th board meeting of the 10th term. This proposal, a cash dividend of NTD 0.70 per share, will be discussed at the annual shareholders’ meeting. Impact of Stock Dividends on Operating Results, EPS and ROE Not Applicable. 47 United Microelectronics Corporation | Annual Report 2006 Employee Bonus and Directors’ & Supervisors’ Remuneration According to the Company’s Articles of Incorporation, current year’s earnings, if any, shall be distributed in the manner described on page 47. Information on the earnings per share and amount of employee bonus and remuneration to directors and supervisors passed by the board of directors: The Company’s resolution on earnings distribution was passed on the 6th board meeting of the 10th term. Details regarding earnings distribution are as follows: (a) A cash bonus for employees of NTD 2,324,119,405. The remuneration paid to directors and supervisors is NTD 15,494,130. (b)In consideration of employee bonus and remuneration to directors and supervisors, pro forma diluted EPS is NTD 1.68. Details of the 2005 employee bonus settlement and directors’ & supervisors’ remuneration are as follows: For the year ended December 31, 2005 Details Settlement of employees’ bonus by issuance of new shares As Approved at the As Recommended by the Shareholders’ Meeting Board of Directors Number of shares (In thousands) Differences Reasons for Differences 45,846 45,846 – – 458,455 458,455 – – 0.24 0.24 – – 305,636 305,636 – – 6,324 6,324 – – Basic 0.38 0.38 – – Diluted 0.38 0.38 – – Basic 0.34 0.34 – – Diluted 0.34 0.34 – – Amount (In thousand NTD) Percentage on total number of outstanding shares at year end Settlement of employees’ bonus by cash (In thousand NTD) Remuneration paid to directors and supervisors (In thousand NTD) Effect on earnings per Earnings per share (NTD) share before retroactive adjustments Pro forma earnings per share taking into consideration employees’ bonus and directors’ & supervisors’ remuneration (NTD) 48 Capital Overview Share Buy-back History Instance 11th Round 10th Round Purpose To transfer to employees To maintain the Company’s credit and shareholders’ equity Buy-back period 2006.5.23~2006.7.22 2006.2.16~2006.4.15 Price range (NTD) 13.90~32.15 12.35~27.50 Classification and volume (Shares) 400,000,000 Common Shares 1,000,000,000 Common Shares Amount (NTD) 7,648,334,032 19,640,228,401 Cancellation and transfer volume (Shares) - 1,000,000,000 Cumulative cancellation and transfer volume (Shares) 1,335,462,000 1,335,462,000 Cumulative holding (Shares) 1,342,067,000 942,067,000 Cumulated holding as a percentage of total issued shares 7.02 4.92 Note The data shown above includes transactions from January 1, 2006 to March 15, 2007. 49 United Microelectronics Corporation | Annual Report 2006 Corporate Bonds Type Unsecured Corporate Bonds Issue date 2001.4.16~2001.4.27 Face amount NTD 1,000,000 Listing exchange R.O.C. OTC Securities Exchange Issue amount NTD 1,000,000 Issue size NTD 15 billion Coupon rate 1A01~1A10: 5.1850% 1A11~1A19: 5.1195% 1B01~1B10: 5.2850% 1B11~1B19: 5.2170% Maturity 1A–5 years; 2006.4.16~2006.4.27 1B–7 years; 2008.4.16~2008.4.27 Guarantor - Trustee Trust Dept., Mega International Commercial Bank Co., Ltd. Address of trustee 2F, 550, Sec. 4, Chung Hsiao E. Road, Taipei, Taiwan R.O.C. Underwriter - Registrar, principal paying, conversion and transfer agent - Address of agent - Legal counsel Chen & Lin Attorneys-at-Law Auditor Diwan, Ernst & Young Redemption 1A is a five-year term, and total size is NTD 7.5 billion. Principal will be paid after three, four, and five years at 30%, 30%, and 40% respectively. 1B is a seven-year term, and total size is NTD 7.5 billion. Principal will be paid after five, six, and seven years at 30%, 30%, and 40% respectively. Interest will be paid annually. Principal payable NTD 5.25 billion Redemption - Covenant - Name of rating company, date and result of rating Taiwan Ratings Corporation, 2001.3.8, twAA Other obligation - Effect due to dilution - Name of custodian - 50 Capital Overview Corporate Bonds (cont.) Type Zero Coupon Exchangeable Bonds Due 2007 Issue date 2002.5.10 Face amount USD 10,000 Listing exchange Luxembourg Stock Exchange Issue amount USD 10,000 Issue size USD 235,000,000 Coupon rate 0% Maturity 5 years; 2007.5.10 Guarantor - Trustee Citibank, N.A. Address of trustee Cottons Centre, Hays Lane, London SE1 2QT, United Kingdom Underwriter Lehman Brothers Inc. Registrar, principal paying, exchange and transfer agent Citibank, N.A. Address of agent 5 Carmelite Street, London EC4Y 0PA, United Kingdom Legal counsel Simpson Thacher & Bartlett Auditor Diwan, Ernst & Young Redemption On the maturity date, the issuer will redeem the bonds at their principal amount, unless, prior to such date:(a) The issuer shall have redeemed the bonds at the option of the issuer, or the bonds shall have been redeemed at the option of the bondholders.(b) The bondholders shall have exercised the conversion right before maturity; or (c) The bonds shall have been purchased by the issuer and cancelled. Principal payable USD 93,830,000 Redemption or early redemption clause (a) The issuer has the option to call all or any portion of the bonds on or at any time after three months after the issue date and prior to the maturity date based on the price to be agreed upon, if the closing price of the common shares on the Taiwan Stock Exchange in US dollars, calculated at the prevailing exchange rate, for each of the 20 consecutive trading days, the last of which occurring not more than 10 days prior to the date of the notice of such redemption, is at least 120% of the exchange price in effect on each such trading day translated into US dollars at the rate of exchange established on the pricing date.(b) The Company may redeem the outstanding bonds in whole, but not in part, at their principal amount in the event that 90% of the bonds have been previously exchanged, redeemed or purchased and cancelled.(c) The issuer may redeem all, but not part of, the bonds at their principal amount in the event of changes in Covenant R.O.C. taxation resulting in additional costs to the issuer. - Name of rating company, date and result of rating - Other obligation Balance of amount The balance of amount exchanged to common shares of AU Optronics Corp. (“AUO”) is USD converted to (exchangeable or 6,060,000. The balance of amount exchanged to ADSs of AUO is USD 135,110,000. warrant) shares, ADSs, or other types of securities as of printing date Policy of issuing or converting (a) Bondholders have the right hereunder to exchange the bonds into common shares or ADSs of (exchangeable or warrant) AUO.(b) The bondholders may, from 40 days after the last issue date to the 30 days prior to the maturity date, exchange the bonds into the common shares or ADSs of AUO as a substitute for the issuer’s cash redemption. The detailed exchanging procedures and the rights and obligations of bondholders who exchange within five business days prior to and during the closed period will be subject to the indenture and the paying, exchange and registrar agency agreement. Effect on the current shareholders due to dilution The bonds are eligible to be exchanged into common shares or ADSs of AUO. This will not result in any dilution effect to UMC shareholders. Name of custodian Citibank, N.A. 51 United Microelectronics Corporation | Annual Report 2006 Corporate Bonds (cont.) Type Unsecured Corporate Bonds Issue date 2003.5.21~2003.6.24 Face amount NTD 5,000,000 Listing exchange R.O.C. OTC Securities Exchange Issue amount NTD 5,000,000 Issue size NTD 15 billion Coupon rate 3A: The annual coupon rate is 4.0% minus the floating rate, but no less than 0%. The rate is adjusted annually based on the “floating rate” of the second London business date prior to the issued date of each “interest accrued period”. The interest is calculated per annum. 3B: The annual coupon rate is 4.3% minus the floating rate, but no less than 0%. The rate is adjusted annually based on the “floating rate” of the second London business date prior to the issued date of each “interest accrued period”. The interest is calculated per annum. “Interest accrued period” is the period starting from a year prior to the interest payout date to one day prior to the interest payout date. “Interest accrued method” is defined as the coupon rate times the number of days in the interest period divided by actual days of the year. The rate is calculated to five figures after the decimal point. “Business date” is referred to the London financial business date, or is otherwise referred to the Taiwan, Taipei and Kaohsiung financial business date. “Floating rate” is referred to the USD 12-Month LIBOR rate shown on London time 11am, Moneyline Telerate pg. 3750. The initial interest pricing date is set as the second London business date prior to the bond issuance date. Maturity 3A – 5 years; 2008.5.21~2008.6.24 3B – 7 years; 2010.5.21~2010.6.24 Guarantor - Trustee Trust Dept., Mega International Commercial Bank Co., Ltd. Address of trustee 2F, 550, Sec. 4, Chung Hsiao E. Road, Taipei, Taiwan R.O.C. Underwriter - Registrar, principal paying, conversion and transfer agent - Address of agent - Legal counsel Chen & Lin Attorneys-at-Law Auditor Diwan, Ernst & Young Redemption 3A is a five-year term, and total size is NTD 7.5 billion. Principal will be paid in full at maturity. 3B is a seven-year term, and total size is NTD 7.5 billion. Principal will be paid in full at maturity. Interest will be paid annually. Principal payable NTD 15 billion Redemption - Covenant - Name of rating company, date and result of rating Taiwan Ratings Corporation, 2003.4.24, twAA- Other obligation - Effect on the current shareholders due to dilution - Name of custodian - 52 Capital Overview Corporate Bonds (cont.) Type Euro Convertible Bonds Due 2008 Issue date 2005.10.05 Face amount USD 10,000 Listing exchange EuroMTF Market of the Luxembourg Stock Exchange Issue amount USD 10,000 Issue size USD 381,400,000 Coupon rate 0% Maturity 2008.2.15 Guarantor - Trustee Citibank, N.A. Address of trustee Citigroup Centre, Canada Square, Canary Wharf, London E14 5LB, United Kingdom Underwriter Morgan Stanley Services Limited and Lehman Brothers International (Europe) Registrar, principal paying, conversion and transfer agent Citibank, N.A. Address of agent 5 Carmelite Street, London EC4Y 0PA, United Kingdom Legal counsel Simpson Thacher & Bartlett Auditor Diwan, Ernst & Young Redemption The bonds will be redeemed at 100% of their principal amount by the Company on the maturity date unless:(a) The issuer shall have redeemed the bonds at the option of the issuer, or the bonds shall have been redeemed at the option of the bondholders.(b) The bondholders shall have exercised the conversion right before maturity; or (c) The bonds shall have been purchased by the issuer and cancelled. Principal payable USD 381,400,000 Redemption or early redemption clause (a)On or at any time after April 5, 2007, if the closing price of the ADSs listed on the NYSE has been at least 130% of either the conversion price or the last adjusted conversion price, for 20 out of 30 consecutive ADS trading days, the Company may redeem all, but not some only, of the bonds. (b)If at least 90% in principal amount of the bonds has already been redeemed, repurchased, cancelled or converted, the Company may redeem all, but not some only, of the bonds. (c)In the event that the Company’s ADSs or shares officially cease to be listed or admitted for trading on the New York Stock Exchange or the Taiwan Stock Exchange, as the case may be, each bondholder shall have the right, at such bondholder’s option, to require the Company to repurchase all, but not in part of, such bondholder’s bonds at their principal amount. (d)In the event of certain changes in taxation in the R.O.C. resulting in the Company becoming required to pay additional amounts, the Company may redeem all, but not part of, the bonds at their principal amount. Bondholders may elect not to have their bonds redeemed by the Company in such event, in which case the bondholders shall not be entitled to receive payments of such additional amounts. (e)If a change of control occurs with respect to the Company, each bondholder shall have the right at such bondholder’s option, to require the Company to repurchase all, but not in part of, such bondholder’s bonds at their principal amount. 53 United Microelectronics Corporation | Annual Report 2006 Corporate Bonds (cont.) Type Euro Convertible Bonds Due 2008 Covenant - Name of rating company, date and result of rating Taiwan Ratings Corporation, 2005.8.15, twAA Other obligation Balance of amount converted to (exchangeable or warrant) shares, ADSs, or other types of securities as of printing date - Policy of issuing or converting (exchangeable or warrant) (a) Bondholders have the right hereunder to convert the bonds into the Company’s ADSs.(b) The bondholders may from November 4, 2005 to February 5, 2008 convert the bonds into the Company’s ADSs as a substitute for the issuer’s cash redemption. In addition, the bondholders will not be able to effect conversions into ADSs during any closed period. Effect on the current shareholders due to dilution The underlying conversion for ECB is treasury shares. If the ECB is fully converted, the dilution ratio to original shareholders is 2.6%. The impact to the dilution is minimal. Name of custodian Citibank, N.A. 54 Capital Overview Corporate Bonds (cont.) Exchangeable Bonds Information Zero Coupon Exchangeable Bonds Due 2007 2007 2006 2005 2002 2002. 5.10 (Issue Date) 73,380,144 74,836,861 73,566,140 66,109,143 148,271,262 139,769,528 137,202,140 NTD 44.30 NTD 44.30 NTD 46.10 NTD 51.30 NTD 54.91 NTD 58.25 NTD 59.34 High 117.50 123.50 121.50 156.00 109.56 100.00 - Low 107.50 109.00 101.50 104.00 94.50 92.65 - Average 113.90 117.75 112.81 115.88 99.59 95.18 - The quantity of holding exchanged securities 2004 2003 (Common shares) Exchangeable price Market price Reference shares Common Shares or ADSs of AU Optronics Corp. Note The data represented for 2007 was gathered until March 15, 2007. Euro Convertible Bonds Information Zero Coupon Convertible Bonds Due 2008 2007 2006 2005 2005. 10.05 (Issue Date) 500,000,000 500,000,000 500,000,000 500,000,000 USD 3.693 USD 3.693 USD 3.814 USD 3.814 High 110.84 112.50 105.25 - Low 103.22 98.38 97.50 - Average 106.15 103.65 102.12 - The quantity of holding converted securities (Common shares) Convertible price Market price Reference shares UMC ADS Note The data represented for 2007 was gathered until March 15, 2007. Warrant Bonds Information None. Preferred Stock None. 55 United Microelectronics Corporation | Annual Report 2006 American Depositary Receipts Issue Date 2006.11.6 2006.9.1 2005.9.1 2005.1.20 2004.11.16 2004.8.19 Listing exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange Issue amount USD 108.2 million Stock dividend Stock dividend USD 84.2 million USD 76.3 million Stock dividend Listing price / unit USD 3.05 - - USD 3.33 USD 3.47 - Issue units 35,456,000 2,831,464 25,833,137 25,290,000 22,000,000 15,088,684 Underlying representing shares UMC common shares UMC common shares UMC common shares UMC common shares UMC common shares UMC common shares Number of equivalent local shares per ADS 5 shares 5 shares 5 shares 5 shares 5 shares 5 shares Rights and obligations of ADS holder Same as the common shareholder Same as the com- Same as the com- Same as the com- Same as the com- Same as the common shareholder mon shareholder mon shareholder mon shareholder mon shareholder Trustee N/A N/A N/A N/A N/A N/A Depositary bank Citibank, N.A. Citibank, N.A. Citibank, N.A. Citibank, N.A. Citibank, N.A. Citibank, N.A. Custodian bank Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch Outstanding balance (Units) The total outstanding balance is 315,107,776 units. Issuing expenses and maintenance fees Except for IPO and dividends, the issuing expenses will be borne by the selling shareholders. The maintenance fees will be borne by the Company. Important terms and conditions of depositary agreement and custodian agreement - - - - - Note The data shown above was gathered until March 15, 2007. American Depositary Receipt Trading Data Closing Price per Share (USD) 2007 High Low Average High Low Average 3.83 3.12 3.44 3.94 2.79 3.22 Note The data represented for 2007 was gathered until March 15, 2007. 56 2006 Capital Overview 2004.1.2 2003.12.23 2003.8.15 2002.9.9 2002.3.19 2001.8.17 2000.9.19 New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange USD 13.8 million USD 24.4 million Stock dividend Stock dividend USD 439.7 million Stock dividend USD 1,291.5 million USD 4.92 USD 4.75 - - USD 9.25 - USD 14.35 2,804,000 5,146,000 6,965,107 22,655,667 47,537,780 13,500,000 90,000,000 UMC common shares UMC common shares UMC common shares UMC common shares UMC common shares UMC common shares UMC common shares 5 shares 5 shares 5 shares 5 shares 5 shares 5 shares 5 shares Same as the common shareholder Same as the common shareholder Same as the common shareholder Same as the common shareholder Same as the common shareholder Same as the common shareholder Same as the common shareholder N/A N/A N/A N/A N/A N/A N/A Citibank, N.A. Citibank, N.A. Citibank, N.A. Citibank, N.A. Citibank, N.A. Citibank, N.A. Citibank, N.A. Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch Citibank, N.A. Taipei Branch The total outstanding balance is 315,107,776 units. Except for IPO and dividends, the issuing expenses will be borne by the selling shareholders. The maintenance fees will be borne by the Company. - - - - - - - 57 United Microelectronics Corporation | Annual Report 2006 Employee Stock Option Certificates Status of Stock Option Plan and Impact on Stockholders’ Equity Type Employee Stock Option Certificates 3rd Issued, 1st Round 2005 2nd Issued, 1st Round 2005 1st Issued, 1st Round 2005 Date of approval 2005.12.22 2005.12.22 2005.12.22 Issue date 2006.8.24 2006.5.22 2006.1.4 Units issued 28,140,000 42,058,000 39,290,000 Ratio of issue shares to outstanding shares (%) 0.15 0.22 0.21 Option duration 2006.8.24~2012.8.23 2006.5.22~2012.5.21 2006.1.4~2012.1.3 Method for performance of contract The issue of new shares The issue of new shares The issue of new shares Vesting schedule The grant period for employee options is six years. Employees may exercise up to 50% of the options after two years, up to 75% after three years and up to 100% after four years. Exercised shares - - - Exercised amount - - - Un-exercised shares 28,140,000 42,058,000 39,290,000 Exercise price NTD 18.35 NTD 19.80 (Original) NTD 19.16 (After Dividend) NTD 18.30 (Original) NTD 17.68 (After Dividend) Ratio of un-exercised shares to outstanding shares (%) 0.15 0.22 0.21 Effect on current shareholders due to dilution The strike price for the shares is the market price at the time of issuance and the vesting period for employee options is from two years to four years. The dilution effect to current shareholders is insignificant. Notes (1) The data shown above was gathered until March 15, 2007. (2) The date of approval refers to the date when the R.O.C. FSC approved the Stock Option Plan. (3) Each unit of the stock option entitles the recipient to subscribe to one share of the Company’s common shares. 58 Capital Overview Employee Stock Option Certificates (cont.) Type Employee Stock Option Certificates 4th Issued, 1st Round 2004 3rd Issued, 1st Round 2004 2nd Issued, 1st Round 2004 Date of approval 2004.9.30 2004.9.30 2004.9.30 Issue date 2005.9.29 2005.8.16 2005.4.29 Units issued 51,990,000 54,350,000 23,460,000 Ratio of issue shares to outstanding shares (%) 0.27 0.28 0.12 Option duration 2005.9.29~2011.9.28 2005.8.16~2011.8.15 2005.4.29~2011.4.28 Method for performance of contract The issue of new shares The issue of new shares The issue of new shares Vesting schedule The grant period for employee options is six years. Employees may exercise up to 50% of the options after two years, up to 75% after three years and up to 100% after four years. Exercised shares - - - Exercised amount - - - Un-exercised shares 51,990,000 54,350,000 23,460,000 Exercise price NTD 19.95 (Original) NTD 19.71 (After Dividend) NTD 21.9 (Original) NTD 21.6 (After Dividend) NTD 18.4 (Original) NTD 16.4 (After Dividend) 0.28 0.12 Ratio of un-exercised shares to outstanding shares (%) 0.27 Effect on current shareholders due to dilution The strike price for the shares is the market price at the time of issuance and the vesting period for employee options is from two years to four years. The dilution effect to current shareholders is insignificant. 59 United Microelectronics Corporation | Annual Report 2006 Employee Stock Option Certificates (cont.) Type Employee Stock Option Certificates 1st Issued, 1st Round 2004 3rd Issued, 1st Round 2003 2nd Issued, 1st Round 2003 Date of approval 2004.9.30 2003.10.8 2003.10.8 Issue date 2004.10.13 2004.7.1 2004.3.23 Units issued 20,200,000 56,590,000 33,330,000 Ratio of issue shares to outstanding shares (%) 0.11 0.30 0.17 Option duration 2004.10.13~2010.10.12 2004.7.1~2010.6.30 2004.3.23~2010.3.22 Method for performance of contract The issue of new shares The issue of new shares The issue of new shares Vesting schedule The grant period for employee options is six years. Employees may exercise up to 50% of the options after two years, up to 75% after three years and up to 100% after four years. Exercised shares 907,000 - - Exercised amount 16,144,600 - - Un-exercised shares 19,293,000 56,590,000 33,330,000 Exercise price NTD 20.0 (Original) NTD 17.8 (After Dividend) NTD 25.2 (Original) NTD 20.7 (After Dividend) NTD 27.9 (Original) NTD 22.9 (After Dividend) Ratio of un-exercised shares to outstanding shares (%) 0.10 0.30 0.17 Effect on current shareholders due to dilution The strike price for the shares is the market price at the time of issuance and the vesting period for employee options is from two years to four years. The dilution effect to current shareholders is insignificant. 60 Capital Overview Employee Stock Option Certificates (cont.) Type Employee Stock Option Certificates 1st Issued, 1st Round 2003 2nd Issued, 1st Round 2002 1st Issued, 1st Round 2002 Date of approval 2003.10.8 2002.9.11 2002.9.11 Issue date 2003.11.26 2003.1.3 2002.10.7 Units issued 57,330,000 61,000,000 939,000,000 Ratio of issue shares to outstanding shares (%) 0.30 0.32 4.91 Option duration 2003.11.26~2009.11.25 2003.1.3~2009.1.2 2002.10.7~2008.10.6 Method for performance of contract The issue of new shares The issue of new shares The issue of new shares Vesting schedule The grant period for employee options is six years. Employees may exercise up to 50% of the options after two years, up to 75% after three years and up to 100% after four years. Exercised shares - 1,849,000 261,866,750 Exercised amount - 33,129,900 4,294,284,525 Un-exercised shares 57,330,000 59,151,000 677,133,250 Exercise price NTD 30.2 (Original) NTD 24.7 (After Dividend) NTD 22.5 (Original) NTD 17.7 (After Dividend) NTD 20.0 (Original) NTD 15.7 (After Dividend) 0.31 3.54 Ratio of un-exercised shares to outstanding shares (%) 0.30 Effect on current shareholders due to dilution The strike price for the shares is the market price at the time of issuance and the vesting period for employee options is from two years to four years. The dilution effect to current shareholders is insignificant. 61 United Microelectronics Corporation | Annual Report 2006 Employee Stock Option Certificates (cont.) List of Managers and Top 10 Employees Participating in Employee Stock Option Plan Units Granted 95,300,000 - Units Granted / Total Outstanding Shares (%) Exercised Units Exercise Price (NTD) Exercised Amount (In thousand NTD) 0.50 850,000 15.9 13,515 - 2,300,000 15.7 36,110 5,000,000 0.03 - - - 2,000,000 0.01 - - - 15,000,000 0.08 - - - Title Name Chairman and CEO Jackson Hu Vice Chairman Peter Chang Former President Hong-Jen Wu Business Group President Ching-Chang Wen Business Group President Fu-Tai Liou Executive Vice President Shih-Wei Sun Senior Vice President Stan Hung Senior Vice President Henry Liu Senior Vice President Tai-Sheng Feng Vice President Nick Nee Vice President Wen-Yang Chen Vice President Ying-Chih Wu Vice President Chia-Pin Lee Vice President Lee Chung Vice President Shan-Chieh Chien Vice President Po-Wen Yen Vice President Tsung-Hsi Ko CFO Chitung Liu Notes (1) The data shown above was gathered until March 15, 2007. (2) Employees listed in this table are the top 10 holders of stock options and each subscription amount exceeds NTD 30 million. (3) Hong-Jen Wu retired on June 30, 2006 and the data represented his acquisition until June 30, 2006. 62 Capital Overview Units Exercised / Total Outstanding Shares (%) Un-exercised Units Exercise Price (NTD) Un-exercised Amount (In thousand NTD) Units Un-exercised/Total Outstanding Shares (%) 0.01 92,150,000 15.7 1,446,755 0.48 0.01 - - - - - 5,000,000 17.7 88,500 0.03 - 2,000,000 22.9 45,800 0.01 - 15,000,000 24.7 370,500 0.08 Mergers and Acquisitions or the Issue of New Shares to Acquire Another Company’s Shares None. Financing Plans and Execution Status Plan Description Plan Title Issue Date Estimated Plan Completion Date Capital Purpose Changes of Plan Date for Announcement on MOPS Euro Convertible Bonds Due 2008 October 5, 2005 September 30, 2006 Purchasing raw materials overseas None September 29, 2005 Capital Execution Summary Quarterly Capital Execution Report 2nd Quarter, 2006 Planned Capital Execution in 2nd Quarter, 2006 NTD 4,280,100 thousand, 34.01% Completed Actual Capital Execution in 2nd Quarter, 2006 NTD 5,248,093 thousand, 41.70% Completed Planned Accumulated Capital Execution NTD 11,705,100 thousand, 92.99% Completed Actual Accumulated Capital Execution NTD 13,948,090 thousand, 110.82% Completed Reasons for Capital Execution Discrepancies No significant differences from the plan 63 United Microelectronics Corporation | Annual Report 2006 Operation Overview 65 Business Scope 65 Industry Scope 66 Research & Development Achievements and Plans 68 Market and Sales Conditions 72 Employee Analysis 73 Environmental Protection Information 74 Labor Relations 75 Major Agreements 64 Operation Overview Business Scope Major Business Full Service Semiconductor Wafer Foundry. Current Products and Services UMC provides a variety of services to fit individual customer’s needs, including silicon intellectual property (IP), IC design support, design verification, mask tooling, wafer fabrication, and testing. Wafer fabrication accounts for 97% of 2006 revenues. Future Products and Services Advanced 65-nanometer and 45-nanometer Processes UMC has reached world-class manufacturing levels and leads most of the major semiconductor companies in the introduction of advanced deep sub-micron processes. UMC has been in volume production for advanced 65-nanometer technology since 1Q 2006. Furthermore, with 45-nanometer test wafers produced in 4Q 2006, UMC is actively developing 45-nanometer process technologies for customer product validation to significantly increase the competitive advantages of its customers. SoC Process Technologies In response to the growing trend towards System-on-Chip (SoC) products, UMC continues to develop resources for SoC designers including embedded memory macros, Mixed-Signal/RF CMOS processes, and other system integration technologies used for SoC designs. Industry Scope Current Industry Products & Development The functions of electronic products increase and evolve on a daily basis, leading to an enormous increase in design and process complexity for today’s semiconductors. As far as manufacturing efficiency is concerned, wafer sizes have also migrated to the next generation of larger 300mm wafers. The combination of both advancing technologies and larger wafers has somewhat slowed overall development, while investment has increased to bring these new technologies to maturity. This trend has increased the challenges involved in semiconductor design, production, packaging, and testing. For the most part, semiconductor companies find it difficult to manage every aspect of the IC supply chain, adding to the attraction of the vertically disintegrated business model. The Relationship Between Up-, Mid-, and Down-stream Supply Chain Services The semiconductor industry has continuously evolved in order to support down-stream (end-user) electronic products. Therefore, IC manufacturers must develop new process technologies early to enable up-stream chip developers’ sophisticated designs for more powerful ICs. This in turn allows down-stream companies to innovate new applications and products that can take advantage of the better performing semiconductors. Development Trends Advanced technologies have enabled electronic products, especially those in the Computer, Communication, and Consumer sectors, to merge their functions in ways previously unseen. Networking capabilities have allowed electronic products such as computers, cell phones, televisions, PDAs, CD-ROMs, and digital cameras to communicate with each other to exchange information. More powerful chips are required to drive multimedia functions (processing visual data, etc.) and to resolve network bandwidth issues. At the same time, the trend towards more personalized electronic devices means that products are becoming smaller and consuming less power. Process technology must also shrink aggressively to accommodate this trend to integrate more functions, reduce the number of parts needed to operate, and lower IC power consumption. Dedicated semiconductor foundries will need to achieve this process improvement, and at the same time develop multiple process technologies to satisfy the varying needs of Computer, Communication, and Consumer applications. A Competitive Market The double-digit growth rate that is seen every year for the foundry industry has attracted more and more competitors, including IDM companies such as Samsung, and pureplay foundries like China’s SMIC and HHNEC and Korea’s Dongbu. With the increasing number of competitors, the Company has enhanced its competitiveness by expanding 300mm wafer capacity strategically and effectively. Meanwhile, the Company continuously strengthens its advantage through on-going development in advanced and specialty process technologies. 65 United Microelectronics Corporation | Annual Report 2006 Research & Development Achievements and Plans UMC’s research and development group is committed to pushing the forefront of technology and providing the latest market-driven, customer-focused and cost effective System-On-Chip (SoC) foundry technology solutions. UMC’s commitment to R&D can be illustrated by the Company’s 2006 R&D expenditures, which reached 8.88% of corporate revenues. The Company is also constructing a new R&D center for nanometer technologies in the Tainan Science Park, the first of its kind at the southern Taiwan site, along with a new 300mm wafer plant that will host 32-nanometer technology development. The R&D center will be completed in April 2007, while the new fab will be ready in early 2008. These are all strong testimonies for UMC’s commitment to develop the most advanced SoC solutions for our customers. Going forward, the Company will continue to dedicate its most significant resources to further process technology development. UMC delivered the foundry industry’s first 65nanometer customer products in June of 2005. During the course of 2006, competitive progress was made in perfecting 65-nanometer technology for production. The technology has gained widespread acceptance from a variety of customers including leading-edge manufacturers of cell phones, FPGA, graphics and broadband, many of which are currently in volume production. This was highlighted with UMC’s delivery of the world’s largest 65-nanometer FPGAs to one of its customers. The enhanced product features a 65 percent logic capacity increase over previous generation FPGAs to enable the industry’s highest gate count, with approximately 1.1 billion transistors. The chips, which feature triple gate oxide technology and 11 copper metal layers, have demonstrated excellent yields and are expected to be ready for full production in early 2007. In addition, UMC is in the final process optimization of a shrink version of its 65-nanometer process technology, called the UMC 55SP process (shrinking L65 feature sizes to 90% of its original size). This offering is expected to help customers migrate their 65-nanometer products for more density and performance while delivering more competitive cost incentives to further extend their product life. On the 45-nanometer development front, UMC has successfully produced functional SRAM chips that feature an impressive bit cell size of less than 0.25um2. The process used sophisticated immersion lithography for its 12 critical layers and incorporated the latest technology advancements such as ultra shallow junction, mobility enhancement techniques, and ultra low-k dielectrics (k=2.5). The 45-nanometer node is a challenging technology generation that simultaneously introduces new materials and process modules. UMC is 66 among the first companies in the world to produce working 45-nanometer silicon, with successful results realized for the initial 45-nanometer wafer lots. UMC will continue to build on its 45-nanometer momentum to enhance yields and prepare the technology for adoption by our foundry customers during 2008. In terms of memory development, UMC’s embedded 6T-SRAM exhibits an industry leading footprint with excellent performance and functionality at the lowest possible sustaining voltage, which has always been the key yield driver for leading 65-nanometer and 45-nanometer processes. Furthermore, a high density, low cost fully logiccompatible embedded memory solution has been developed to replace traditional embedded DRAM that was used up until 90-nanometer. UMC completed its process and design IP offerings for the 90-nanometer technology node in 2006, with the 65-nanometer node scheduled for 2007. Embedded 0.18-micron flash (e-Flash) memory cells featuring 1.7 megabit macro functionality and 25 nanosecond access time performance are also in production for multiple customer products for the automotive, MCU and PC security applications. In addition, a 0.13-micron e-Flash macro is in the final stage of reliability verification for product applications. The 0.13 e-Flash process has been successfully integrated into customer products to produce the industry’s lowest power field-programmable gate arrays (FPGAs) that feature power consumption as low as 5mW, a new standard for the industry. On the specialty technology front, UMC’s 0.18-micron high voltage (HV) technology targeted for the growing portable liquid crystal display (LCD) driver market is now in mass production. To improve overall HV process performance, UMC is piloting 0.162-micron HV chips and further developing its advanced 0.135-micron node. Supplementing UMC’s LCD driver process is its “super high voltage (≥600V)” process, which is in development for customers designing for special applications such as transformers and frequency conversion motors. UMC has also completed the development of its CMOS Image Sensor (CIS) technology at the 0.13-micron process node. This technology enables highresolution camera phones to operate more cost effectively by allowing higher density sensors within the same area. SoC designers today require proven design support solutions to help overcome the challenges encountered during the design cycle in the deep sub-micron era. UMC continuously introduces new design support resources, such as the most updated Reference Design Flow with silicon-proven design methodologies in 90-nanometer and 65-nanometer technologies, and in particular adding more focus on Design for Manufacturing (DFM) support. UMC provides opti- Operation Overview Research & Development Achievements and Plans (cont.) mized DFM resources that customers can easily incorporate into their existing design environments to address issues such as timing closure, signal integrity and leakage power. UMC’s enhanced DFM solutions include Lithography Process Check (LPC), Critical Area Analysis (CAA), Litho and Chemical Metal Polishing (CMP) variation aware extraction, thermal impact analysis and Static Statistical Timing Analysis (SSTA). To develop its comprehensive 65-nanometer offering, UMC partnered with every major EDA vendor as well as newer DFM companies that provide specialized DFM solutions. In addition, UMC successfully developed a series of reliable, high-quality design intellectual properties (IP), including DFM-compliant, process-tuned 90-nanometer and 65-nanometer libraries, ultra high-speed PLL, and various state-of-the-art analog mixed-signal IP for advanced audio/video applications. They can be utilized in customers’ SoC designs to help them shorten the product design cycle with the shortest time-to-market capability. UMC has always actively pursued new inventions throughout its technology advancement. For 2006, UMC filed 524 patent applications, and has been granted 298 patents in the same period of time; the total of granted patents has reached 8,417. This reflects UMC’s commitment to innovation and intellectual properties during its technology development stage. Additionally, over the past few years, UMC has won numerous awards from the R.O.C. government for its outstanding achievements in semiconductor technology research. UMC is strongly positioned in the foundry industry through its continuous innovation. R&D Expenditures In thousand NTD Expenditures 2007 2006 1,655,036 9,237,616 Note The data represented for 2007 was gathered until March 15, 2007; the figure represented was unaudited. Long-term and Short-term Business Development Plan UMC operates as the SoC Solution Foundry, dedicated to providing comprehensive SoC solutions for its customers. This approach involves collaborating closely with customers as well as partners throughout the entire supply chain, including equipment, EDA tool, IP and test and packaging vendors to work synergistically towards each customer’s SoC silicon success. This strategy has resulted in a broad range of resources available to SoC designers, including silicon validated reference flows, a broad IP portfolio, free-of-charge libraries and extensive test and packaging capabilities. Combine these with UMC’s advanced process technology and state-of-the-art 300mm manufacturing, and the result is shortened time-to-market for customers’ SoC products. 67 United Microelectronics Corporation | Annual Report 2006 Market and Sales Conditions Major Sales Regions UMC’s technologies and services have proven themselves by contributing to the success of its customers, many of whom are major players in the global IC industry. Currently, the majority of the Company’s customers are located in North America and Asia, with Europe following closely behind. Japanese customers’ orders primarily go to UMC’s subsidiary in Japan, UMCJ, although a few customers deal directly with UMC. UMC will enhance its partnerships with worldclass customers around the globe by continuing to develop customers’ high-end products to ensure the steady growth of UMC for the mid- and long-terms. than the overall semiconductor industry. Competitive Advantages IC design companies in Taiwan are performing well, and are second only to North American IC design firms. UMC has a high market share in the Taiwan market and can directly enjoy the advantages accompanying the rapid growth of Taiwan’s IC design companies. The IC industry in Taiwan is well structured and is very competitive in terms of efficiency and cost. UMC’s technology leadership leveraged with the advantages of Taiwan’s IC industry will result in greater competitiveness for the Company. Market Share UMC is a leading company in the foundry industry, with a 2006 sales revenue figure of USD 3.196 billion. UMC possessed a global pure-play foundry market share of 19%. TSMC, SMIC and Chartered are considered major competitors. Together in 2006, UMC, TSMC, SMIC and Chartered are estimated to account for approximately 84% of the pure-play foundry market share. In 2006, sales revenues for TSMC, SMIC and Chartered were USD 9.662 billion, USD 1.465 billion and USD 1.414 billion, respectively. TSMC, SMIC and Chartered had a market share of 50%, 8% and 7% respectively (market share information and revenues of the competitors are based on their financial releases and data from IC Insights). Positive Factors Relating to Future Development Considering the long-term steady growth of the IC industry, the relative advantages of foundry manufacturing, and UMC’s technical excellence, we believe that the following factors will contribute positively to the future development of the Company: UMC has distinguished itself as a top-tier company in the foundry industry. The trend towards increased disintegra- tion within the industry will create new opportunities for the Company as the market for foundry services continues to grow. Major IDMs are shifting their strategy to increase their use of external foundry services, which will help the growth of the foundry service market. UMC maintains stable long-term orders through its strategic alliances with global industry leaders. UMC has an exceptional management team that strongly emphasizes the research and development of advanced process technologies. UMC is the industry leader in the implementation of 300mm wafer production. The Company has two 300mm facilities, Fab 12A in the Tainan Science Park, and Fab 12i in Singapore. Furthermore, a third 300mm facility is under construction in the Tainan Science Park. UMC’s aggressive expansion into 300mm manufacturing will help attract more outsourcing orders from IDMs and fabless companies. Future Market Supply, Demand, and Growth Potential According to reports by the World Semiconductor Trade Statistics (WSTS), the Semiconductor Industry Association (SIA), Dataquest, and In-Stat and IC Insights, the global semiconductor market in 2007 is estimated to exhibit growth in the range of 12% to 14%, following growth of 8% in 2006. To provide an indicator of future market supply, demand and growth potential by industry breakdown, Fabless design companies have historically outperformed the overall semiconductor market. Furthermore, increasing numbers of Integrated Device Manufacturers (IDMs) are adopting the strategy of using external foundry services. Therefore, the foundry service market is expected to grow at a faster rate 68 Operation Overview Market and Sales Conditions (cont.) UMC is in volume production for 65-nanometer process technology. UMC is one of the few foundries in the world t hat is capable of providing this technology capability. As the Company produces more advanced technology products, the Company reaps higher profits while offering customers value-added benefits. In response to the trend of producing greater numbers of SoC products, UMC continues to develop embedded memory macros, Mixed-Signal/RF CMOS processes, and other system integration technologies used in SoC designs to meet customers’ needs and firmly establish the company’s leading position for the development of SoC technologies. As the need continues to rise for consumer products such as digital televisions, LCD televisions, DVD players, MP3 players and smart phones, the semiconductor industry is expected to enter another growth stage. Negative Factors Relating to Future Development Today’s trend has seen softening demand for personal computers (PC), which may cause a negative impact to the industry’s growth. The recent prosperity of the foundry market has at tracted many new competitors into the market; this may negatively impact the market balance. Adaptations to Market Situation In response to other foundry market entrants, UMC will build on its competitive advantages, such as leading-edge technologies, high manufacturing yields, and comprehen sive customer services. This will widen the gap with these new competitors, and differentiate UMC from the rest of the industry. This strategy will ensure UMC remains a primary choice for foundry customers. The Company will strive to provide the most advanced technologies for various IC applications and simultane- ously meet high performance and low power consump- tion needs while helping customers to reduce overall costs. UMC will strengthen its marketing effectiveness, strive for service excellence, and continue with efforts to increase customer satisfaction. UMC will strengthen its partnerships with existing customers to facilitate enhanced growth for both the Company and its customers. Applications of Major Processes CMOS logic processes: Chips for logic-calculation functions, e.g. graphics chips, audio chips, and micro processors. Mixed-Signal processes: Chips for processing analog/ digital mixed signals, e.g. broadband communications and optical storage chips. RF CMOS processes: Chips for wireless communications, e.g. cellular phones, WLAN, and Bluetooth chips. Embedded memory processes: Chips combining logic and memory functions for high performance, low power consumption chips, e.g. graphics and router chips. High Voltage processes: for manufacturing LCD Driver ICs and Power Management ICs. CMOS Image Sensor processes: for manufacturing CMOS Image Sensors used in digital cameras, cell phones and PC cameras. Product Manufacturing Process The IC manufacturing process can be broken down into five major steps including circuit design, mask tooling, wafer fabrication, assembly and test. UMC excels in the research and development of pioneering IC process technologies, and provides leading manufacturing technologies, materials and equipment for its customers to rapidly realize their designs in silicon. 69 United Microelectronics Corporation | Annual Report 2006 Major Raw Materials Status Material Categories Major Vendors Vendors’ Market Position UMC’s Procurement Strategies Raw Silicon Wafers UMC’s vendors are major raw silicon wafer suppliers to the world. Their factories, located in the U.S., Japan, Taiwan and throughout Southeast Asia, can consistently supply high-quality silicon wafers in sizes ranging from 150mm to 300mm. (a) UMC maintains good relationships with the world’s major silicon wafer suppliers to assure a stable supply. (b) UMC’s decision to procure wafers made locally has not only reduced logistical risks, but has also reduced costs. (c) UMC allocates procurement among its vendors according to their overall perfor- mance, which is evaluated quarterly by UMC’s internal Suppliers Management Com- mittee. S.E.H. (manufactured in the U.S., Japan, Taiwan and Malaysia) MEMC (manufactured in the U.S. and Taiwan) SUMCO Group (manufactured in Japan and Taiwan) Major Vendors and Customers Major Vendors In thousand NTD 2006 Name Amount Percentage of Net Purchases Shin-Etsu Handotai Taiwan Co., Ltd. 3,353,721 13 2005 Name Amount Percentage of Net Purchases Shin-Etsu Handotai Taiwan Co., Ltd. 2,611,052 11 Reasons for changes in procurement amount: UMC’s purchasing amount with Shin-Etsu increased in 2006 due to an increase in quantity purchased to reflect a rise in 300mm wafer demand. Major Customers In thousand NTD 2006 Name UMC Group (USA) Amount Percentage of Net Operating Revenues 54,476,329 52 2005 Name UMC Group (USA) Amount Percentage of Net Operating Revenues 43,226,036 48 Reasons for changes in sales amount: Sales to UMC Group (USA) accounted for more than 10% of net operating revenues in 2006. This resulted primarily from the recovery of the semiconductor industry in 2006 and the increased in demand of communication, consumer and computer products. 70 Operation Overview Production and Sales Figures Production Figures 2006 Wafers (Pcs) Chips (In thousands) Packaged ICs (In thousands) 2005 Quantity Amount (In thousand NTD) Quantity Amount (In thousand NTD) 3,030,999 76,232,056 2,669,672 74,201,369 84,918 6,635,478 64,807 4,971,589 599 43,148 1,192 125,226 Total amount 79,298,184 82,910,682 Capacity (Pcs) 3,855,000 4,017,000 Note Wafer quantity and capacity are expressed in 200mm wafer equivalents. Sales Figures 2006 Wafers (Pcs) 2005 Quantity Amount (In thousand NTD) Quantity Amount (In thousand NTD) Domestic 1,372,006 32,839,086 1,388,520 34,285,040 Export 1,618,731 62,001,889 1,257,667 49,530,126 56 58,508 685 141,548 84,807 5,677,686 64,150 4,156,586 Chips (In thousands) Domestic Packaged ICs (In thousands) Domestic 374 26,803 2 74 Export 203 16,579 1,189 109,147 Others Domestic 122,026 81,655 Export 570,829 635,819 Domestic 33,046,423 34,508,317 Export 68,266,983 54,431,678 Total Export Note Wafer quantity is expressed in 200mm wafer equivalents. 71 United Microelectronics Corporation | Annual Report 2006 Employee Analysis Number of Employees 2007 2006 2005 6,837 6,774 5,745 559 550 582 61 60 70 5,855 5,881 5,671 13,312 13,265 12,068 2007 2006 2005 30.7 30.6 30.3 2007 2006 2005 5.6 5.4 5.2 2007 2006 2005 1.2 1.2 1.3 Masters degree 21.9 21.8 20.9 Bachelors / Associate degree 48.2 48.7 48.3 Secondary school and others 28.7 28.3 29.5 Engineers Administrators Clerks Technicians Total Average Age Average age Average Years of Employment Average number of years Level of Education (%) Ph.D. Note The data represented for 2007 was gathered until March 15, 2007. 72 Operation Overview Environmental Protection Information UMC considers CSR as an integral part of its corporate value and operation strategies. UMC’s multi-dimensional CSR program is integrated into every aspect of our operations and is also the foundation of the Company’s sustainable development. This commitment is illustrated through the Company’s award of the runner up position for Environmental Excellence from the Asian Institute of Management at their 2004 Asian CSR Awards held in Kuala Lumpur, Malaysia, the 5th Industrial Sustainable Excellence Award from the Industry Development Bureau in 2004, and the 2nd Taiwan Sustainable Development Award from the National Council for Sustainable Development, Executive Yuan in 2005. In addition, UMC gained the highest “5 heart” rating by CommonWealth Magazine in their 2006 Enterprise Citizen Investigation for environmental protection, public welfare and contributions to education. These honors affirm UMC’s performance in environmental protection and social responsibility. UMC’s environmental protection policy is guided by the Company’s belief in the importance of corporate integrity and commitment to long-term partnerships with its customers and the community. The Company takes proactive actions and has comprehensive environmental protection programs in place to ensure that sustainable growth and development is environmentally friendly at the same time. UMC’s environmental protection and pollution control plan addresses all aspects of the environment. In 2006, capital expenditures for pollution control equipment were NTD 317 million and the average monthly operating cost was NTD 28 million. Monthly waste disposal fees were NTD 4.2 million and the annual cost for the environmental monitoring program was NTD 3.2 million. Major environmental protection expenses in the future will include: (a) the costs required to maintain or upgrade existing systems; (b) operating costs for pollution control equipment (NTD 28 million per month); (c) waste disposal fees (NTD 4 million per month); and (d) the cost for the environmental monitoring program (NTD 4 million annually). In the past year, UMC met all environmental regulation standards and distinguished itself with its environmental protection performance. Over the years, UMC has received many honors such as the Enterprises Environmental Protection Award of the R.O.C., the Water Conservation Award, Excellent Performance in Waste Management and Resource Reduction, Recycle and Reuse, the Tainan Science Park’s Excellent Performance in Environmental Protection for both company and professionals and Top Honors in Hsinchu Science Park’s “Protection of the Environment” Competition. 73 United Microelectronics Corporation | Annual Report 2006 Labor Relations UMC places great importance on employee salaries and benefits, employee development, the enforcement of all labor laws, and the protection of employee rights, in an effort to provide the best possible working environment. UMC makes every effort to develop a positive working relationship between employees and management. Employees can communicate with their superiors through many channels, including departmental meetings, colleague symposiums, and opinion boxes. The mental and physical well-being of UMC employees are equally as important, and the Company offers employee-counseling services and has a health clinic on-site. UMC has its own employee recreation center to provide its employees with a facility to improve their quality of life and encourage social interaction among company personnel. The employee recreation center is equipped to support a variety of activities, such as sports, entertainment, arts, and community meetings. UMC follows a training policy that is implemented to not only benefit the Company, but also cultivate individual 74 growth and development. To protect the rights and interests of employees, UMC follows the Labor Standards Law. UMC’s employee retirement policy also corresponds with existing related labor laws. The Council of Labor Affairs and other organizations have recognized UMC’s efforts in developing good labor relations. These organizations awarded UMC the honors of Model Institution for the Promotion of Labor Welfare, Model Enterprise for the Promotion of Labor Education, and the Model Enterprise for Industrial Relations distinctions. In recent years, up to the publish date of the annual report, there have been no disputes between employees and employers, nor has the Company realized any financial impact resulting from disputes between employees and employers. Disputes within the organization or financial loss could be averted by following the complete administrative practices listed above and through constant efforts to avoid such circumstances. Operation Overview Major Agreements Major Long-term Supply and Marketing Agreements In order to maintain a worldwide marketing presence, UMC has entered into long-term distribution, sales, service and support agreements with the companies listed below. In addition, UMC has maintained long-term supply business relationships with major wafer material suppliers. The major contents of these agreements are described below: Company Name Contract Period Major Contents Limitations UMC Group (USA) 2006.1.1~2007.12.31 Semiconductor products sales and relevant services None material United Microelectronics (Europe) B.V. 2005.1.1~2006.12.31 Semiconductor products sales and relevant services None material UMC Japan 2006.1.1~2007.12.31 Semiconductor products sales and relevant services None material Shin-Etsu Handotai Taiwan Co., Ltd. Indefinite period 150mm, 200mm and 300mm raw wafer supply None material Major License Agreements UMC is committed to the protection and enhancement of intellectual property. Based on more than 20 years of investment, UMC holds a leading position among independent foundries worldwide for our number of US patents issued in the semiconductor field. UMC also has cross-licensing agreements with major semiconductor patent holders to ensure that customers do not face infringement claims as a result of UMC services. Some of the major licenses include: Cross License (Company Name) License Period Fields of Protection Limitations Agere Systems Inc. 2004.1.1~2008.12.31 Process and topography None material International Business Machines Corporation 2006.1.1~2010.12.31 Process, topography and design None material Texas Instruments Incorporated 1998.8.28~2007.12.31 Process, topography and memory content None material Freescale Semiconductor, Inc. 2005.12.7~2010.12.31 Process and topography None material Renesas Technology Corp. 2006.1.1~2010.12.31 Process and topography None material 75 United Microelectronics Corporation | Annual Report 2006 Major Agreements (cont.) Major Construction Agreements Company Name Contract Period Various construction or engineering compa2006.1.1~2007.12.31 nies, such as: Yih-Shin Construction Co., Ltd., Yuan Lih Electrical Engineering Co., Ltd., GO-IN Engineering Co., Ltd. Major Long-term Loan Agreements UMC is committed to building and maintaining state-ofthe-art wafer fabrication facilities that will allow UMC to maintain its position as a premier independent wafer Major Contents Limitations UMC has contracts with major construction and engineering companies to expand semiconductor facilities in the Tainan Science Park. Total contract amounts exceed NTD 0.8 billion. None material foundry and maintain the capacity needed to support its continued growth. In order to provide the necessary capital required to support such projects, UMC has, from time to time, obtained loans from commercial banks. Some of these loans include: Company Name Contract Period Major Contents Mega International Commercial Bank Co., Ltd. and 17 other participant banks. (Note This case had been paid off in 2004) 1996.9.20~2005.5.26 Mega International Commercial Bank Co., Ltd. None material arranged the syndicated loan and the facility amount was approximately NTD 12.3 billion. The loan was for Fab 8C’s capital expenditure. Mega International Commercial Bank Co., Ltd. and 8 other participant banks. (Note This case had been paid off in 2004) 1998.2.18~2005.9.18 Mega International Commercial Bank Co., Ltd. arranged the syndicated loan and the facility amount was approximately NTD 4.3 billion. The loan was for Fab 8E’s capital expenditure. None material Mega International Commercial Bank Co., Ltd. and 13 other participant banks. (Note This case had been paid off in 2004) 1999.11.22~2007.9.25 Mega International Commercial Bank Co., Ltd. arranged the syndicated loan and the facility amount was approximately NTD 3.9 billion. The loan was for Fab 8E’s capital expenditure. None material Mega International Commercial Bank Co., Ltd. and 20 other participant banks. (Note This case had been paid off in April of 2005) 2000.1.28~2007.1.28 Mega International Commercial Bank Co., Ltd. arranged the syndicated loan and the facility amount was approximately NTD 8 billion. The loan was for Fab 8F’s capital expenditure. None material 76 Limitations Financial Report Financial Report 2006 78 Review of Financial Position, Operating Results, Risk Management and Evaluation 86 Special Disclosures 94 Disclosure According to US Security Authorities Regulation 100Financial Review Unconsolidated 196 Financial Review Consolidated 77 United Microelectronics Corporation | Annual Report 2006 Review of Financial Position, Operating Results, Risk Management and Evaluation 79 Analysis of Financial Position 80 Analysis of Operating Results 81 Liquidity Analysis 81 Major Capital Expenditures and Sources of Funding 82 Analysis for Investment 83 Risk Management and Evaluation 78 Review of Financial Position, Operating Results, Risk Management and Evaluation Analysis of Financial Position In thousand NTD 2006 2005 118,430,216 128,267,746 82,746,430 39,238,167 142,647,435 149,809,616 (7,162,181) (5) 7,659,590 7,970,867 (311,277) (4) 355,228,793 329,391,074 25,837,719 8 Current liabilities 30,060,546 28,303,962 1,756,584 6 Long-term interest-bearing liabilities 30,383,076 36,009,055 (5,625,979) (16) Total liabilities 64,063,922 71,107,521 (7,043,599) (10) 191,323,332 197,983,633 (6,660,301) (3) Additional paid-in capital 67,707,287 85,381,599 (17,674,312) (21) Retained earnings 34,795,993 26,572,792 8,223,201 31 291,164,871 258,283,553 32,881,318 13 Current assets Funds and investments Property, plant and equipment Other assets Total assets Capital Total equity Explanation for significant changes (over 20%) in financial position include: 1. The increase in funds and investments is mainly due to an effect of the subsequent valuation in “Available-for-sale financial assets, noncurrent” originated from the implementation of ROC SFAS No. 34, “Financial Instruments: Difference (9,837,530) 43,508,263 % Change (8) 111 Recognition and Measurement”. 2. The decrease in additional paid-in capital mainly resulted from the adjustment of funds and investments disposal for 2006. 3. The increase in retained earnings mainly resulted from the increase in net income over the previous year. 79 United Microelectronics Corporation | Annual Report 2006 Analysis of Operating Results In thousand NTD 2006 2005 Difference % Change 102,023,597 90,780,340 11,243,257 12 (1,840,345) 1,130,154 (61) 101,313,406 88,939,995 12,373,411 14 2,785,205 1,835,444 949,761 52 Net operating revenues 104,098,611 90,775,439 13,323,172 15 Operating costs (83,419,400) (79,614,153) (3,805,247) 5 20,679,211 11,161,286 9,517,925 85 14,261 34,264 Gross profit-net 20,693,472 11,195,550 Operating expenses (14,569,334) (13,864,269) Operating (loss) income 6,124,138 (2,668,719) 8,792,857 (329) Non-operating income 33,871,592 13,871,542 20,000,050 144 Non-operating expenses (2,979,691) (4,175,293) 1,195,602 (29) Income from continuing operations before income tax 37,016,039 7,027,530 29,988,509 427 Income tax expense (3,208,211) Cumulative effect of changes in accounting principles (1,188,515) Net income 32,619,313 Sales revenues Sales returns and discounts (710,191) Net sales Other operating revenues Gross profit Realized (unrealized) intercompany profit Explanation for significant changes (over 20%) in operating results include : (a) Net operating revenues: The increase in net operating revenues primarily resulted from the recovery of the semiconductor industry, and subsequently the increased number of orders received. (b) Gross profit analysis: The increase in gross profit for 2006 was due primarily to increases in sales quantity and the capacity utilization rate, and a decrease in the product unit cost. Reasons for difference in gross profit are as follows: In thousand NTD Reasons for Difference Average selling price Unit cost Product mix Quantity Others Difference 80 (838) 7,026,692 (20,003) 9,497,922 (58) 85 (705,065) 5 (3,207,373) 382,741 (1,188,515) - 25,592,621 364 (c) Non-operating income and expenses: Mainly resulted from an increase in gain on disposal of investments, and Investment gain accounted for under the equity method. (d) Cumulative effect of changes in accounting principles: Resulted from the implementation of ROC SFAS No. 34, “Financial Instruments: Recognition and Measurement” to account for the financial instruments effective January 1, 2006. (e) Income tax expense: The increase of income tax expense resulted from the increase in sales revenues and the net income for 2006, and the impact of The Income Basic Tax Act of the R.O.C. Gross Profit 299,724 7,937,397 1,366,350 (85,546) 9,517,925 Estimated Sales Quantities With the industry shifting towards the vertical disintegration business model, UMC, with its position as an industry leader and pioneer in 300mm manufacturing and SoC (System-on-Chip) technologies, should be able to reach a revenue growth rate higher than that of the overall semiconductor industry. Based on our capacity and customers’ demand forecast, the estimated sales quantity for 2007 is approximately 3.70 million 200mm wafer equivalents. Review of Financial Position, Operating Results, Risk Management and Evaluation Liquidity Analysis Analysis of Cash Flows for 2006 Cash Balance at Beginning of Year In thousand NTD Net Cash Provided by Operating Activities 96,596,623 46,049,174 Net Cash Used in Investing and Financing Activities Cash Balance at End of Year (59,250,995) 83,394,802 Source of Funding in case of Cash Shortfall Investing Plan Financing Plan - - Note Net cash used in investing and financing activities includes factoring for currency exchange, which amounts to (85,133) thousand. (a) Cash inflows from operating activities are the result of net income reconciled to net cash with depreciation as the largest adjustment. (b) Cash outflows from investing activities are attributed to the increase of capital expenditures, while cash inflows from investing activities are attributed to proceeds from available- for-sale financial assets and long-term investment under the equity method. (c) Cash outflows from financing activities resulted from the repayment of bonds payable, purchase of treasury stocks and payment of cash dividends. Projected Cash Flows for 2007 Cash Balance at Beginning of Year 83,394,802 In thousand NTD Projected Cash Inflows from Operating Activities Projected Cash Outflows from investing and financing activities Projected Cash Balance at End of Year 44,222,821 (98,068,887) 29,548,736 Source of Funding in case of Cash Shortfall Investing Plan Financing Plan - - Impact on the Company’s Financial Operations and Contingency Action Regarding Major Capital Expenditures Execution Status of Major Capital Expenditures and Sources of Funding Project Actual or Expected Sources of Funding In thousand NTD Completion Status (up to 2006) Total Amount (up to 2006) Capital Expenditures Plan 2006 2005 Production Equipment Cash flows generated from operations, bank loans and issuance of bonds Completed 44,632,783 28,132,964 16,499,819 R&D Equipment Cash flows generated from operations, bank loans and issuance of bonds Completed 5,158,223 3,071,455 2,086,768 Expected Benefit from Capital Expenditures Starting from 2007, production capability for the Company’s 0.25-micron and below technologies will increase to 68% or more as a percentage of total production capacity due to the above mentioned capital expenditures. 81 United Microelectronics Corporation | Annual Report 2006 Investment Policy, Causes of Profit /Loss and Future Investment Plans The Company held a meeting of its Board of Directors on January 27, 2006, and passed a resolution to sell 63.48% of the equity of its subsidiary, Hsun Chieh Investment Co., Ltd. (Hsun Chieh), to Hsieh Yong Capital Co., Ltd. (Hsieh Yong). Before this transaction, the Company held a 99.97% stake in Hsun Chieh. After completing the sale of a 63.48% stake to Hsieh Yong, the Company holds a 36.49% stake in Hsun Chieh and retains one of the three seats on the Company’s Board of Directors. After the transaction, Hsun Chieh Investments Co., Ltd. was no longer a subsidiary of the Company and thus any share of the Company held by Hsun Chieh Investments Co., Ltd. shall be reclassified from treasury stocks to long-term investments in the Company’s books, of which NTD 10,881 million was recorded in effect 82 under long-term investments and stockholders’ equity, respectively. Both the Company and Hsieh Yong set the terms of the sale, in consideration of the future prospects of the industry, and the technical and management capabilities of Hsun Chieh’s invested companies. The companies that make up Hsun Chieh’s investment portfolio come from a wide range of sectors within the electronics supply chain. Over 97% of the value of Hsun Chieh’s investment portfolio is in publicly listed companies. The value of Hsun Chieh was determined based on the closing stock price of its portfolio companies at the end of trading on January 25, 2006 and was reviewed by securities and accounting specialists, confirming the reasonableness of this transaction. Review of Financial Position, Operating Results, Risk Management and Evaluation Risk Management and Evaluation Impact on Corporate Profitability from Fluctuating Interest Rates, Exchange Rates, and Inflation The impact on the Company from fluctuating interest rates, exchange rates, and inflation has been minimal due to effective monitoring and control. The Company will continue to watch market movement with regard to interest and exchange rates to avoid losses. Profit or Loss from Activities in High Risk and Highly Leveraged Investments, Loans Provided to Others, Endorsements and Guarantees, and Derivatives Starting from November 2005, the Company provided guarantees of NTD 7.5 billion to its subsidiary, UMCJ. The guarantees had expired on October 31, 2006. The Company has not engaged in any transaction of high risk and highly leveraged investments. Any derivatives transaction is to elevate the Company’s operating performance and reduce operating and financial risks. Upcoming R&D Plans and Their Status UMC is determined to maintain its position as a semiconductor industry leader by addressing the challenges of semiconductor scaling and continuing the advancement of transistor technology. The accomplishments being unveiled at 65-nanometer and 45-nanometer development demonstrate UMC’s capabilities and confidence in the development and delivery of advanced process technologies for 45-nanometer and beyond. With the upcoming completion of UMC’s new R&D center and new wafer plant for nanometer technologies in Tainan, Taiwan, the development momentum moving to 45-nanometer, 40-nanometer (shrunk version of 45nanometer) and 32-nanometer is accelerating, with extraordinary achievements expected in the coming year. 65-nanometer product ramp is on track for several customers for 2007 and 55-nanometer technology qualification is expected to be completed during the second half of 2007. The development pace for 45-nanometer technology is accelerating as well. Continued enhancements to process margin and volume production windows will be the Company’s current focus for UMC’s 45-nanometer Low Leakage process. Further mobility enhancement for the high performance chip segment is an on-going challenge that has been determined to be resolved in 2007. The 45-nanometer release schedule has been aligned with UMC’s strategic customers’ product roadmap for 2008. The definition of 32-nanometer technology and device specification discussion have been initiated with UMC’s leading customers. The Company is also co-working with a leading technology company at Advanced Technology Development Facility (ATDF) to develop leading-edge transistor structures incorporating new materials (high-k dielectrics and metal gate electrode, Silicon-on-insulator (SOI) and non-classical CMOS schemes (multiple-gate field emission transistor) for future generation devices on new technology. UMC will continue to strengthen its silicon validated intellectual property portfolio, with a particular emphasis on increasing 65-nanometer and 90-nanometer IP. For 65nanometer design support, the foundation will be built upon DFM compliance libraries, memory compilers and reference design flows. State-of-the-art analog mixed-signal IP will further complement customers’ SoC design needs, especially those supporting industry standards (such as PCI-E, SATA, HDMI, etc.), advanced video, audio and consumer applications. UMC will leverage its success in delivering 90nanometer libraries and analog mixed-signal devices to develop 65-nanometer solutions while expanding its partnership base with the world’s IP community to offer the most comprehensive design support resources for SoC designs. As the SoC Solution Foundry, UMC continues to develop innovative yet practical technology solutions to help SoC designers maximize the competitiveness of their products. UMC’s continuous advancements in leading-edge and emerging technology areas are critical for customers’ product success. UMC will complete its specialized R&D center and continue to build its methodology designed to accelerate leading-edge nanoelectronic technology to the marketplace. Impact on the Company’s Financial Operations and Contingency Action Regarding Recent Changes in Domestic and International Policies and Regulations The Company strictly follows governing policies and regulations. All of the related departments constantly monitor any changes in related policies and regulations, and adjust internal operating procedures and business activities accordingly so that business operations continue smoothly. As to the revisions of ROC “Business Entity Accounting Law” announced on May 24, 2006, Financial Supervisory Commission, Executive Yuan (FSC) proposed a policy of “identification of employee dividend and bonus payouts as expenses” (the “Policy”) to be enforced from January 1, 2008. The Company’s financial/business impact from this new Policy and action measures for resolution will be: (1) Impact: the Company will follow the Policy and related accounting principles and regulations in financial reporting. (2) Action Measures: related regulations and principles of the Policy have not been proposed by FSC; as such the Company will monitor them and consult with its accounting service firm for an implementation plan for the Policy. Impact on the Company’s Financial Operations and Contingency Action Regarding Recent Changes in Technology The Company has been sharply focused on the development of advanced technology. In 2006, the Company’s R&D expenses were approximately NTD 9.2 billion. The Company has taken the lead position in the foundry industry in both volume production of 90-nanometer and the development of 65-nanometer technologies. The Company has migrated 90-nanometer chips to mainstream volume production; 90nanometer and below chips represented 21% of total revenue 83 United Microelectronics Corporation | Annual Report 2006 Risk Management and Evaluation (cont.) in the 4th quarter, 2006; 65-nanometer chips represented 1% of total revenue in 2006. The Company’s current financial situation is sound and cash on hand is sufficient for future technology development. Impact on the Company’s Risk Management and Contingency Action Regarding Recent Changes in Corporate Image To ensure the long-term success of the Company and to further the corporate goal of building long-term partnerships with our customers and our community, the Company holds Shareholder Meetings and Investor Conferences regularly to maintain a high-level of financial transparency. The Company consistently meets its obligations as an exemplary corporate citizen by participating in a wide range of public activities that benefit the community and society as a whole. In addition, the Company has established a comprehensive and robust set of response procedures aimed at addressing the needs of a highly diverse range of emergency conditions, reducing management uncertainty to the lowest achievable level. Risk from the Company Encountering an Economic Downturn during Expansion by Acquisition or Merger Through future acquisitions, UMC is expected to integrate resources, lower operating costs, widen its business scope, raise profitability and add to its overall international competitiveness, which will help the Company to contend in a capital and technology intensive industry that is constantly changing. The cyclical fluctuation in the semiconductor industry is volatile and uncertain. Once a company encounters an economic downturn during expansion by acquisition or merger, there would exist the possibility of an excess capacity situation. The risk might temporarily damage the Company’s profitability but such a situation would also help to eliminate companies with poor operations and restructure the industry composition. The other possible risk would be that the acquired company would encounter difficulties when integrating with the acquiring company. Factors such as unsuccessful production integration or issues brought by differences in corporate culture would partly offset the contribution from the acquired company. To avoid the negative effects from improper acquisition, for future operations, the Company will conduct thorough evaluations to prevent unfavorable acquisition conditions caused by improper information disclosure. Following any acquisition, the Company’s corporate culture will be introduced to its new employees to create a unified team that will work hard towards the common goal of increasing the Company’s competitiveness. 84 Risk of Excess Capacity from Fluctuating Economic Conditions The Company increases its production capabilities through fab expansion in order to accommodate more customer orders, thus providing the means to increase revenue, profits and market share. When production capacity reaches economies of scale, manufacturing costs can be dramatically reduced. However, the significant potential for fluctuations in the semiconductor industry economic cycle creates financial risk, as any excess capacity still must be accounted for under depreciation of plants and equipment during demand softening caused by economic conditions. This risk would be considered a burden to the Company. The Company’s capacity expansion is under deliberate capital expenditure plans, which focus on satisfying customers’ needs while optimizing capital utilization. Disciplined capital expenditure can help to develop a healthy industry environment. Risk and Countermeasures of the Company Encountering Material Shortage from Suppliers Failing to Provide Materials due to Circumstances Created by Natural or Unnatural Factors The Risk of Material Shortage: Material shortage may result from suppliers encountering situations such as insufficient capacity, industrial accidents in factories or natural disasters. Solution for Material Shortage: UMC currently uses consignment contracts to offset its risk. Risk of Profit Loss if Sales are Concentrated on a Single or a Few Customers, and a Major Customer Reduces its Orders UMC has established long-term and steady partnerships with numerous world-class customers. The combined strengths of both UMC and these customers will ensure the long-term steady growth of the Company. The ten largest customers of UMC accounted for 63% of sales in 2006. UMC mitigates its risk through dispersed sales to lower the potentially significant impact that a single or a few customers may cause. Risk of Change of Control and Stock Price Fluctuation from Large Scale Transfer of Shares If Company’s directors, supervisors or major shareholders holding more than 10% of issued and outstanding shares transfer a significant portion of their shareholdings in the Company, then a change of control may occur. Furthermore, such transfer may give rise to investor concerns on the operation of the Company and may cause the market price of Company shares to fluctuate. The share withholding status of the Company’s directors, supervisors and managers have been reported based on official regulations and laws. Meanwhile, there has been no significant share transfer activity. Review of Financial Position, Operating Results, Risk Management and Evaluation Risk Management and Evaluation (cont.) Risk of the Company Losing One or More Key Personnel without Adequate Replacement Due to Any Change of Company Control UMC’s future success depends to a large extent on the continued service of the Company’s Chairman and key executive officers. If the Chairman or key executive officers leave their positions as a result of a change in Company control, and qualified replacement personnel cannot be found and integrated in a short period of time, operations may be adversely affected. The Company’s management focuses its operations with the intent to maximize value for its shareholders, thus gaining their trust and recognition. If there were a replacement of management, the succeeding personnel would have to recognize corporate culture, be qualified to assume professional duties, and be able to execute the Company’s policy. Litigation and Non-litigated Incidents On February 15, 2005, Taiwan’s Hsinchu District Court Prosecutor’s Office conducted a search at UMC offices, assertively investigating whether there was any evidence of violation of Taiwan Securities and Exchange Act. UMC’s former Chairman, Mr. Robert H.C. Tsao, and former Vice Chairman, Mr. John Hsuan, had received summons as the defendants. On the afternoon of January 9, 2006, Taiwan’s Hsinchu District Court Prosecutor’s Office announced that UMC’s former Chairman, Mr. Robert H.C. Tsao, and former Vice Chairman, Mr. John Hsuan, had been prosecuted due to their violations of Article 71 of Business Entity Accounting Act and Article 342 paragraph 1 of Criminal Law. In actuality, Mr. Robert H.C. Tsao and Mr. John Hsuan had both resigned from their director positions from the Board of Directors on the morning of the same day. This case is waiting for Taiwan Hsinchu District Court’s trial. On July 12, 2005, one of UMC’s Taiwan shareholders, Mr. T.Y. Huang brought a civil litigation action against UMC and the other Taiwan listed companies and claimed that all of the resolutions in this aforesaid companies’ 2005 annual shareholders meetings were null and void. This case had been overruled by Taiwan Hsinchu District Court on March 7, 2006. Mr. T.Y. Huang appealed. On September 12, 2006, Taiwan High Court ruled in favor of UMC. Mr. T.Y. Huang did not appeal to Taiwan Supreme Court within the statutory time limit; this case is closed. On February 13, 2006, Taiwan Hsinchu District Court delivered a notice to UMC and informed UMC that Taiwan Power Company (“TPC”) had filed a civil litigation case against UMC and other Taiwan companies. TPC claimed: (1) UMC and the other Taiwan companies should collectively pay NTD 13,348,056 with interest to TPC for electrical fees, and (2) UMC should pay NTD 21,210,000 to TPC for the electrical line’s fees. Up until this Annual Report’s editing deadline, UMC had provided the defense documents. This case is under Taiwan Hsinchu District Court’s trial. On February 15, 2006, Taiwan Ministry of Economic Affairs, Executive Yuan (MOEA) fined UMC NTD 5 million for UMC’s alleged violation of Governing Relations between Peoples of the Taiwan Area and the Mainland Area Act (Article 35, failure to gain government’s approval for conducting investment in China Mainland). UMC had filed an administrative appeal against MOEA on March 16, 2006. On October 19, 2006, Executive Yuan denied the administrative appeal filed by UMC. Up until this Annual Report’s editing deadline, UMC had filed an administrative litigation case against MOEA on December 8, 2006. UMC’s Singapore Branch (as UMCi Ltd., prior to the conversion of that business to UMC Singapore Branch) as plaintiffs issued a Writ of Summons against Tokio Marine & Fire Insurance Company (Singapore) Pte. Ltd. as defendants on June 6, 2005 under a marine cargo insurance policy for the replacement cost of a 300mm Endura System damaged in transit. UMC’s Singapore Branch believes a chamber of that equipment was damaged in shipment, incurring a cost of approximately USD 1.2 million to replace the damaged chamber. UMC’s Singapore Branch filed suit to recover under the insurance policy on the grounds that the equipment was damaged in shipment as a result of rough handling or conditions. Tokio Marine has denied the incident was a covered event under the policy. Discovery has been completed and the parties are preparing their affidavits of evidence-in-chief for exchange. Based on results to date, UMC feels its Singapore Branch has a meritorious case. Trial is expected for the first half of 2007. Although it is too early to determine the possible outcome, the maximum exposure to UMC’s Singapore Branch would be the loss of its claim for reimbursement plus no more than a few hundred thousand dollars more in assessments, fees and costs. Mr. C.F. Shih, a workman of a subcontractor hired by Yih-Shin Construction Co., Ltd. (“Yih-Shin”), one of companies engaged by UMC for Fab 12A dormitory construction, was severely injured during construction. Mr. C.F. Shih’s wife filed a request to Taiwan Tainan Prosecutors’ Office to file charges against UMC and other related parties for personal injury. Taiwan Tainan Prosecutor’s Office denied this request. On March 30, 2006, Mr. C.F. Shih also filed a civil litigation case against Yih-Shin, UMC and other related parties. Mr. C.F. Shih claimed that Yih-Shin, UMC and other related parties should collectively pay NTD 20,967,400. Mr. C.F. Shih’s mother and wife each requested for compensatory damages in the amount of NTD 300,000 and Mr. C.F. Shih’s three children each requested for compensatory damages in the amount of NTD 100,000. Mr. Shih and his families also claimed that an annual interest rate of 5% to be accrued for the claimed damages. This case is waiting for Taiwan Tainan District Court’s trial. Other Important Risks None. Other Necessary Supplements None. 85 United Microelectronics Corporation | Annual Report 2006 Special Disclosures 87 Summary of Affiliated Enterprises 92 Acquisition or Disposal of UMC Shares by Subsidiaries 93 86 Disclosures of Events which May Have a Significant Influence on Stockholders’ Equity or Share Price, in Compliance with Item 2, Paragraph 2 in Article 36 of the Securities and Exchange Law of the R.O.C. Special Disclosures Summary of Affiliated Enterprises Organization Chart United Microelectronics Corporation TLC Capital Co., Ltd. 100.00% Fortune Venture Capital Corporation 99.99% UMC Group (USA) Unitruth Investment Corporation 100.00% 100.00% UMC Japan 50.09% UMC Capital Corp. 100.00% UMC Capital (USA) 100.00% UMCi Ltd. 100.00% ECP VITA Ltd. 100.00% United Microelectronics Corp. (Samoa) 100.00% United Microelectronics (Europe) B.V. 100.00% United Microdisplay Optronics Corp. 81.76% Basic Data of Affiliated Enterprises In thousand NTD Name of Corporation Date of Address Establishment Capital Fortune Venture Capital Corporation 1993.9.21 2F, 76, Sec. 2, Tunhwa S. Rd., Taipei, Taiwan 10683, R.O.C. 5,000,000 Unitruth Investment Co. 2004.7.22 2F, 76, Sec. 2, Tunhwa S. Rd., Taipei, Taiwan 10683, R.O.C. 800,000 TLC Capital Co., Ltd. 2005.10.14 2F, 76, Sec. 2, Tunhwa S. Rd., Taipei, Taiwan 10683, R.O.C. 6,000,000 UMC Group (USA) 1997.8.11 488 De Guigne Drive, Sunnyvale, CA 94085, USA UMC Japan 1984.5.15 1580, Yamamoto, Tateyama-City, Chiba 294-8502, Japan UMC Capital Corp. 2001.1.16 P.O. Box 1034GT, Grand Cayman, Cayman Islands UMC Capital (USA) 2001.2.13 UMCi Ltd. 2001.1.18 535 (USD16,437.5) 7,588,397 (JPY27,140,188,000) Major Business / Production Items Consulting and planning for investment in new business Investment holding Consulting and planning for investment in new business IC sales Sales and manufacturing of integrated circuits 4,033,472 (USD124,000,000) Investment holding 488 De Guigne Drive, Sunnyvale, CA 94085, USA 6,506 (USD200,000) Investment holding 3 Pasir Ris Drive 12, Singapore 519528 28,625 (USD880,006) Sales and manufacturing of integrated circuits United Microelectronics Corp. 2000.10.12 (Samoa) Offshore Chambers, P.O. Box 217, Apia, Samoa 9,108 (USD280,000) Investment holding United Microelectronics (Europe) B.V. World Trade Center, H-Tower, Schipholboulevard 243 1118 BH Schiphol, The Netherlands 1989.5.23 United Microdisplay Optronics 2002.9.11 Corporation 2F, 3, Li-Hsin 2nd Rd., Hsinchu Science Park, Taiwan 30078, R.O.C. ECP VITA Ltd. Romasco Place, Wickhams Cay 1, P.O. Box 3140, Road Town, Tortola, British Virgin Islands 2005.7.27 126,056 (USD3,875,309) 786,584 32,528 (USD1,000,000) IC sales Sales and manufacturing of LCOS Insurance Notes (1) USD:NTD =1:32.528; JPY:NTD = 1:0.2796. (2) The data is dated December 31,2006. 87 United Microelectronics Corporation | Annual Report 2006 Summary of Affiliated Enterprises (cont.) Data for Common Shareholders of Treated-as Controlled Companies and Affiliates None. Business of United Microelectronics Corporation (UMC) and its Affiliated Enterprises The business of UMC and its affiliated enterprises includes semiconductor wafer manufacturing, electronics, optronics, investment activities, insurance and trade. 88 Special Disclosures Summary of Affiliated Enterprises (cont.) Directors, Supervisors and Presidents of Affiliated Enterprises Name of Corporation Fortune Venture Capital Corporation Title Name or Representative Shares % 499,994,000 99.99 - - 499,994,000 99.99 - - 499,994,000 99.99 - - 499,994,000 99.99 - - 499,994,000 99.99 - - 499,994,000 99.99 Representative: Tzyy-Jang Tseng - - President Duen-Chian Cheng - - Chairman Fortune Venture Capital Corporation 80,000,000 100.00 - - 80,000,000 100.00 - - 80,000,000 100.00 - - 80,000,000 100.00 - - 600,000,000 100.00 - - 600,000,000 100.00 - - 600,000,000 100.00 - - 600,000,000 100.00 - - Chairman United Microelectronics Corporation Representative: Robert H.C. Tsao Director United Microelectronics Corporation Representative: John Hsuan Director United Microelectronics Corporation Representative: Stan Hung Director United Microelectronics Corporation Representative: Duen-Chian Cheng Director United Microelectronics Corporation Representative: Isabel Liu Supervisor Unitruth Investment Co. United Microelectronics Corporation Representative: Stan Hung Director Fortune Venture Capital Corporation Representative: Jean Tien Director Fortune Venture Capital Corporation Representative: Duen-Chian Cheng Supervisor Fortune Venture Capital Corporation Representative: Isabel Liu TLC Capital Co., Ltd. Shareholding Chairman United Microelectronics Corporation Representative: Stan Hung Director United Microelectronics Corporation Representative: Jean Tien Director United Microelectronics Corporation Representative: Duen-Chian Cheng Supervisor United Microelectronics Corporation Representative: Chitung Liu 89 United Microelectronics Corporation | Annual Report 2006 Summary of Affiliated Enterprises (cont.) Name of Corporation UMC Group (USA) UMC Japan UMC Capital Corp. UMC Capital (USA) UMCi Ltd. United Microelectronics Corp. (Samoa) United Microelectronics (Europe) B.V. United Microdisplay Optronics Corporation Title Name or Representative Shares % Director Peter J. Courture - - Director Tony Yu - - Chairman Jackson Hu - - Director and President Ching-Chang Wen - - Director Robert H.C. Tsao - - Director John Hsuan - - Director Wen-Yang Chen - - Director Oliver Chang - - Director Toshiji Sugawara 920 0.09 Director Masahide Tanihira 40 0.00 Director T.Y. Hwang - - Supervisor Chitung Liu - - Supervisor Yoshihiro Matsumoto 210 0.02 Supervisor Eiichi Arakawa 172 0.02 Supervisor Grace Li - - Director United Microelectronics Corporation 124,000,000 100.00 Representative: Robert H.C. Tsao - - Director and President Peter J. Courture - - Director Stan Hung - - Director Robert H.C. Tsao - - Director Jackson Hu - - Director and President Peter Chang - - Director Po-Wen Yen - - Director Peter J. Courture - - Director United Microelectronics Corporation 280,000 100.00 Representative: Stan Hung - - Director Robert H.C. Tsao - - Director John Hsuan - - Chairman United Microelectronics Corporation 64,313,176 81.76 - - 64,313,176 81.76 - - 64,313,176 81.76 - - 64,313,176 81.76 - - Representative: John Hsuan Director United Microelectronics Corporation Representative: Robert H.C. Tsao Director United Microelectronics Corporation Representative: Stan Hung Supervisor United Microelectronics Corporation Representative: Duen-Chian Cheng 90 Shareholding Special Disclosures Summary of Affiliated Enterprises (cont.) Directors, Supervisors and Presidents of Affiliated Enterprises Name of Corporation ECP VITA Ltd. Title Name or Representative Shareholding Shares % Director Angel Sun - - Director Stan Hung - - Director Chitung Liu - - Note The data is dated December 31, 2006. Summarized Operation Results of Affiliated Enterprises Name of Corporation In thousand NTD Capital Total Assets Total Liabilities Net Income (Loss) Earnings (Loss) Per Share (NTD) TLC Capital Co., Ltd. 6,000,000 7,061,109 61,372 6,999,737 2,253,785 359,631 329,178 0.68 Fortune Venture Capital Corp. 5,000,000 11,724,554 13,108 11,711,446 1,729,901 397,527 374,046 0.75 535 6,647,947 5,623,910 1,024,037 55,616,919 216,468 260,573 15.85 UMC Japan 7,588,397 18,933,989 6,120,617 12,813,372 9,624,737 (861,313) (833,067) (841.87) UMC Capital Corp. 4,033,472 3,615,733 1,349 3,614,384 144,017 (49,736) (49,736) (0.60) 28,625 19,239,995 - 19,239,995 - (1,664) 12,463 0.01 9,108 8,556 74 8,482 - (5,626) (5,588) (5.77) United Microelectronics (Europe) B.V. 126,056 1,032,890 754,034 278,856 8,564,771 8,126 7,058 United Microdisplay Optronics Corp. 786,584 270,913 66,398 204,515 10,830 (165,395) (186,142) (2.58) Unitruth Investment Corp. 800,000 743,543 333 743,210 84,737 (44,005) (44,024) (0.70) 6,506 11,291 685 10,606 22,842 1,088 974 4.87 32,528 62,512 12,108 50,404 8,731 7,039 9,295 9.30 UMC Group (USA) UMCi Ltd. United Microelectronics Corp. (Samoa) UMC Capital (USA) ECP VITA Ltd. Net Net Operating Worth Operating Income Revenues (Loss) 784.17 Note USD:NTD = 1:32.528; JPY:NTD = 1:0.2796 91 United Microelectronics Corporation | Annual Report 2006 Issuance of Private Placement Securities None. Acquisition or Disposal of UMC Shares by Subsidiaries Subsidiary Fortune Venture Capital Corporation Paid-in Capital Source of Capital Holding Acquisition % by the or Disposal Company Date 5,000,000 New shares for cash Shares Acquired and Amount In thousand NTD, Shares Disposal Shares and Amount Profit/ Loss As of Annual Report Printing Date Shares Amount 99.99 2006 223,456 (Note 1) None None 22,069,842 446,914 2007 None None None 22,069,842 446,914 Notes (1) 223,456 shares were distributed as dividends in 2006. (2) Data represented for 2007 was gathered up until March 15, 2007. (3) None of the above companies pledged UMC shares as collateral. (4) The Company did not provide endorsements or guarantees to these subsidiaries. (5) The Company did not provide loans to these subsidiaries. Other Necessary Supplements None. 92 Special Disclosures Disclosures of Events which may Have a Significant Influence on Stockholders’ Equity or Share Price, in Compliance with Item 2, Paragraph 2 in Article 36 of the Securities and Exchange Law of the R.O.C. On February 15, 2005, the Hsinchu District Prosecutor’s Office conducted a search of the Company’s facilities. On February 18, 2005, the Company’s former Chairman, Mr. Robert H.C. Tsao, released a public statement explaining that its assistance to Hejian Technology Corp. (Hejian) did not involve any investment or technology transfer . Furthermore, from the very beginning, there was a verbal indication that, at the proper time, the Company would be compensated appropriately for its assistance, and circumstances permitting, at some time in the future, it will push through the merger between two companies. However, no promise was made by the Company and no written agreement was made and executed. Upon the Company’s request to materialize the said verbal indication by compensating in the form of either cash or equity, the Chairman of the holding company of Hejian offered 15% of the approximately 700 million outstanding shares of the holding company of Hejian in return for the Company’s past assistance and for continued assistance in the future. Immediately after the Company had received such offer, it filed an application with the Investment Commission of the Ministry of Economic Affairs on March 18, 2005 (Ref. No. 94-Lian-Tung-Tzu-0222), for their executive guidance for the successful transfer of said shares to the Company. The shareholders meeting dated June 13, 2005 resolved that to the extent permitted by law the Company shall try to get the 15% of the outstanding shares offered by the holding company of Hejian as an asset of the Company. The holding company of Hejian offered 106 million shares of its outstanding common shares in return for the Company’s assistance. The holding company of Hejian has put all such shares in escrow. The Company was informed of such escrow on August 4, 2006. The subscription price per share of the holding company of Hejian in the last offering was USD 1.1. Therefore, the total market value of the said shares is worth more than USD 110 million. However, the Company may not acquire the ownership of nor exercise the rights of the said shares with any potential stock dividend or cash dividend distributed in the future until the R.O.C. laws and regulations allow the Company to acquire and exercise. In the event that any stock dividend or cash dividend is distributed, the Company’s stake in the holding company of Hejian will accumulate accordingly. On February 15, 2006, the Company was fined in the amount of NTD 5 million on the grounds of unauthorized investment activities in Mainland China, implicating the violation of Article 35 of the Act “Governing Relations Between Peoples of the Taiwan Area and the Mainland Area” by the R.O.C. Ministry of Economic Affairs (MOEA). However, as the Company believes it was illegally and improperly fined, the Company had filed an administrative appeal against MOEA to the Executive Yuan on March 16, 2006. The Company’s administrative appeal was dismissed by the Executive Yuan, R.O.C. on October 19, 2006. The Company filed an administrative action against the R.O.C. Ministry of Economic Affairs to Taipei High Administrative Court on December 8, 2006. As of December 31, 2006, the result of such administrative action has not been finalized. The company has entered a stage of sustained growth. The Company determined that cash flows generated from UMC’s future operations will be sufficient for the research and development of advanced process technologies and the continued expansion of advanced manufacturing capacity, including the second 300mm fab in Taiwan’s Tainan Science Park. In order to avoid future cash levels becoming excessive and to better respond to the expectations of today’s capital markets, the Company has resolved to carry out a capital reduction of NTD 57,394 million with the cancellation of 5,739 million of its outstanding shares, following a resolution passed at a meeting of the Board of Directors. The board of directors will decide the date of the capital reduction after the approval at the stockholders’ meeting and the authorization of the government. The exact exchange ratio for shares and the amount of the capital reduction is to be set on the record date for capital reduction. 93 United Microelectronics Corporation | Annual Report 2006 Disclosure According to US Security Authorities Regulation 95 Disclosure Committee 95 Audit Committee 95 Corporate Governance Difference 95 Code of Ethics 95 Employee Code of Conduct 95 US GAAP Financial Information 96 Consolidated Balance Sheets 98 Consolidated Statements of Income 94 Disclosure According to US Security Authorities Regulation Disclosure Committee The primary purpose of the Disclosure Committee is to assist the Company in establishing and maintaining “disclosure controls and procedures” designed to ensure the quality of filing reports on a timely basis. Audit Committee To meet the requirement of Section 404 of the Sarbanes-Oxley Act, UMC’s Audit Committee was established in March 2005, with the purpose of assisting the Board of Directors in fulfilling its responsibility relating to the Company‘s accounting and reporting practices and quality and integrity of financial reporting. The Committee shall have the responsibilities regarding the oversight of independent auditors and reviewing internal audits, the annual external audit, and the financial statements. According to the Audit Committee Charter, the Committee is authorized to conduct or authorize investigations or special audits into any matters within the scope of the Committee’s responsibilities. The Committee shall communicate directly with the management, independent auditors and internal auditors respectively, and receive anonymous submissions by employees of the Company regarding concerns related to questionable accounting or auditing matters. As of March 2007, there were three members in the Committee; all of which were independent directors of UMC. The Committee shall meet and determine the future meeting frequency and intervals needed to carry out its duties and responsibilities. Disclosure of the Differences between UMC’s Corporate Governance Practices and Those Required of Domestic Companies under NYSE Listing Standards http://www.umc.com/english/investors/Corp_gov_difference.asp Disclosure of the UMC Code of Ethics for Directors, Supervisors and Managers http://www.umc.com/english/pdf/Code_of_Ethics.pdf Disclosure of the UMC Employee Code of Conduct http://www.umc.com/english/pdf/Code_of_Conduct.pdf US GAAP Financial Information The Company’s complete 2006 US GAAP reconciled financial statements and footnotes will be available in the Form 20-F, which will be filed to the US Securities and Exchange Commission (“SEC”) on or before June 30, 2007, and be accessible on both the SEC and UMC websites. 95 United Microelectronics Corporation | Annual Report 2006 Consolidated Balance Sheets As of December 31, Assets NTD Current assets Cash and cash equivalents Financial assets at fair value through profit or loss, current Available-for-sale financial assets, current Held-to-maturity financial assets, current Notes receivable Notes receivable - related parties Accounts receivable, net Accounts receivable - related parties, net Other receivables Inventories, net Prepaid expenses Deferred income tax assets, current Restricted deposits Total current assets Funds and investments Financial assets at fair value through profit or loss, noncurrent Available-for-sale financial assets, noncurrent Held-to-maturity financial assets, noncurrent Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Prepaid long-term investments Total funds and investments Property, plant and equipment Land Buildings Machinery and equipment Transportation equipment Furniture and fixtures Leasehold improvements Total cost Less : Accumulated depreciation Add : Construction in progress and prepayments Property, plant and equipment, net Intangible assets Goodwill Technological know-how Other intangible assets Total intangible assets Other assets Deferred charges Deferred income tax assets, noncurrent Other assets-others Total other assets Total assets (as reported under ROC GAAP) US GAAP Adjustments: Goodwill Treasury stock Compensation Equity Investments Change in fair value of investments in securities Income tax effect Total assets (as reported under US GAAP) 2006 2005 USD NTD 93,853,208 8,538,007 1,110,422 3,733 50,648 14,028,084 323,645 849,742 10,878,182 762,799 1,945,082 132,343,552 2,879,816 261,982 34,073 115 1,554 430,441 9,931 26,074 333,789 23,406 59,683 4,060,864 108,626,800 2,468,968 2,414,153 193 62,136 13,628,434 1,420,977 891,058 10,712,535 694,669 3,386,790 555,800 144,862,513 474,738 52,311,172 7,515,945 11,662,599 71,964,454 14,567 1,605,130 230,621 357,858 2,208,176 6,812,103 1,116,806 6,574,800 16,262,856 30,000 30,796,565 1,879,442 21,076,844 415,225,873 90,706 2,964,369 42,968 441,280,202 (311,696,923) 22,244,850 151,828,129 57,669 646,727 12,740,898 2,783 90,960 1,319 13,540,356 (9,564,189) 682,567 4,658,734 1,893,522 21,260,902 386,920,282 89,580 2,804,967 43,037 413,012,290 (269,508,148) 15,609,497 159,113,639 3,498,687 1,330 3,500,017 107,354 41 107,395 3,491,072 359,556 182,793 4,033,421 1,501,064 4,184,091 2,332,154 8,017,309 367,653,461 46,059 128,386 71,560 246,005 11,281,174 2,034,569 4,012,314 2,196,238 8,243,121 347,049,259 38,301,535 (4,476,369) 105,426 44,350 401,628,403 1,175,255 (137,354) 3,234 1,361 12,323,670 38,283,481 62,336 2,079,220 38,869,884 361,441 426,705,621 Notes (1) The USD amounts are presented solely for the convenience of the readers and were translated at the noon buying rate of NTD 32.59 to USD 1.0 in effect on December 29, 2006 at the Federal Reserve, the central bank of the United States. (2) Certain comparative amounts have been reclassified to conform to the current year’s presentation. 96 Disclosure According to US Security Authorities Regulation In thousands Liabilities and Stockholder's Equity NTD Liabilities Current liabilities Short-term loans Financial liabilities at fair value through profit or loss, current Accounts payable Income tax payable Accrued expenses Other payables Payable on equipment Current portion of long-term liabilities Deferred income tax liabilities, current Other current liabilities Total current liabilities Long-term liabilities Bonds payable Total long-term liabilities Other liabilities Accrued pension liabilities Deposits-in Deferred income tax liabilities, noncurrent Deferred credits - intercompany profits Other liabilities - others Total other liabilities Total liabilities (as reported under ROC GAAP) US GAAP Adjustments: Compensation Pension Income tax effect Convertible / Exchangeable bond liabilities Derivative instruments Total liabilities (as reported under US GAAP) Minority interests (as reported under ROC GAAP) US GAAP Adjustments: Consolidation of not wholly-owned subsidiaries Minority interests (as reported under US GAAP) Stockholders’ equity Capital Common stock Capital collected in advance Additional Paid-in Capital Premiums Treasury stock transactions Change in equities of long-term investments Retained earnings Legal reserve Special reserve Unappropriated earnings Adjustment items to stockholders’ equity Cumulative translation adjustment Unrealized gain or loss on financial instruments Treasury stock Total stockholders’ equity (as reported under ROC GAAP) US GAAP Adjustments: Goodwill Treasury stock Compensation Equity investments Pension Change in fair value of investments in securities Convertible / exchangeable bond liabilities Derivative instruments Income tax effect Total stockholders’ equity (as reported under US GAAP) Total liabilities and stockholders’ equity (as reported under US GAAP) 401,628,403 2006 2005 USD NTD 342,549 985,267 4,864,771 2,071,394 7,025,328 77,319 10,130,367 9,068,283 62 1,538,450 36,103,790 10,511 30,232 149,272 63,559 215,567 2,372 310,843 278,254 2 47,206 1,107,818 6,136,336 95,634 5,501,159 277,953 7,932,949 140,735 5,315,695 10,250,000 1,309,579 36,960,040 30,383,076 30,383,076 932,282 932,282 41,692,159 41,692,159 3,115,420 12,282 52,585 13,245 570,174 3,763,706 70,250,572 95,594 377 1,614 407 17,495 115,487 2,155,587 3,014,998 18,664 51,870 691,290 3,776,822 82,429,021 790,200 153,081 32,328 71,226,181 6,238,018 24,247 4,697 992 2,185,523 191,409 6,324 182,045 702,299 623,410 83,943,099 6,336,685 2,189 6,240,207 67 191,476 842 6,337,527 191,311,927 11,405 5,870,265 350 197,947,033 36,600 61,070,555 8,938 6,627,794 1,873,905 274 203,369 64,600,076 20,781,523 16,699,508 322,150 17,774,335 512,412 9,885 545,392 15,996,839 1,744,171 8,831,782 (824,922) 27,557,845 (29,394,664) 291,164,871 (25,312) 845,592 (901,954) 8,934,178 (241,153) (80,989) (51,332,329) 258,283,553 38,113,709 (4,476,369) (684,774) 209,354 (164,776) 324,162,015 1,169,491 (137,354) (21,012) 6,424 (5,056) 9,946,671 38,113,709 56,012 2,247,379 38,869,884 (702,299) (623,410) 180,167 336,424,995 12,323,670 426,705,621 97 United Microelectronics Corporation | Annual Report 2006 Consolidated Statements of Income For the years ended December 31, In thousands Contents Operating revenues Sales revenues Less : Sales returns and discounts Net Sales Other operating revenues Net operating revenues Operating costs Cost of goods sold Other operating costs Operating costs Gross profit Unrealized intercompany profit Realized intercompany profit Gross profit - net Operating expenses Sales and marketing expenses General and administrative expenses Research and development expenses Subtotal Operating income (loss) Non-operating income Interest revenue Investment gain accounted for under the equity method, net Dividend income Gain on disposal of property, plant and equipment Gain on disposal of investments Exchange gain, net Gain on recovery of market value of inventories Gain on valuation of financial assets Gain on valuation of financial liabilities Other income Subtotal Non-operating expenses Interest expense Loss on disposal of property, plant and equipment Loss on decline in market value and obsolescence of inventories Financial expenses Impairment loss Other losses Subtotal Income from continuing operations before income tax Income tax expense Income from continuing operations Cumulative effect of changes in accounting principles (the net amount after deducted tax expense $0) Minority interests loss Net income (as reported under ROC GAAP) US GAAP Adjustments: Treasury stock Compensation Derivative instruments Equity investments Convertible / Exchangeable bond liabilities Income tax effect Change in fair value of investments in securities Goodwill Net lncome (as reported under US GAAP) 2006 2005 NTD USD NTD 109,857,465 (867,150) 108,990,315 3,013,504 112,003,819 3,370,895 (26,608) 3,344,287 92,467 3,436,754 97,172,846 (1,959,994) 95,212,852 5,103,130 100,315,982 (88,452,676) (2,198,540) (90,651,216) 21,352,603 (105,892) 118,815 21,365,526 (2,714,105) (67,461) (2,781,566) 655,188 (3,249) 3,646 655,585 (86,409,480) (4,266,217) (90,675,697) 9,640,285 (118,815) 151,192 9,672,662 (3,365,678) (3,422,340) (9,418,877) (16,206,895) 5,158,631 (103,273) (105,012) (289,011) (497,296) 158,289 (3,738,469) (4,387,406) (9,633,607) (17,759,482) (8,086,820) 1,562,704 1,178,103 950,546 331,767 28,651,109 316,006 750,378 306,140 862,750 34,909,503 47,950 36,149 29,167 10,180 879,138 9,696 23,025 9,394 26,473 1,071,172 1,055,138 1,096,985 1,051,813 177,397 10,276,618 295,179 837,315 58,853 1,038,821 15,888,119 (648,408) (107,962) (1,089,490) (230,757) (1,330,293) (73,799) (3,480,709) 36,587,425 (3,261,622) 33,325,803 (1,188,515) (19,896) (3,313) (33,430) (7,081) (40,819) (2,264) (106,803) 1,122,658 (100,080) 1,022,578 (36,469) (1,098,854) (218,525) (268,985) (460,542) (148,606) (2,195,512) 5,605,787 (67,052) 5,538,735 (112,898) 482,025 32,619,313 14,790 1,000,899 1,600,855 7,026,692 (10,842,272) (2,106,043) 1,126,322 1,117,384 199,389 (180,167) (137,196) - (332,686) (64,622) 34,560 34,286 6,118 (5,528) (4,210) - 101,955 (2,441,003) (1,611,969) 571,228 (39,287) (232,428) 288,388 (19,332,968) 21,796,730 668,817 (15,669,392) Notes (1) The USD amounts are presented solely for the convenience of the readers and were translated at the noon buying rate of NTD 32.59 to USD 1.0 in effect on December 29, 2006 at the Federal Reserve, the central bank of the United States. (2) Certain comparative amounts have been reclassified to conform to the current year’s presentation. 98 Disclosure According to US Security Authorities Regulation 99 United Microelectronics Corporation | Annual Report 2006 Financial Review Unconsolidated 101 Condensed Balance Sheets 102 Condensed Statements of Income 103 Financial Analysis 104 Supervisors’ Report 106 Report of Independent Auditors 107 Balance Sheets 108 Statements of Income 109 Statements of Changes in Stockholders’ Equity 110 Statements of Cash Flows 112 Notes to Financial Statements 160 Attachments to Notes 100 Financial Review Unconsolidated Condensed Balance Sheets In thousand NTD 2006 2005 2004 2003 2002 118,430,216 128,267,746 110,373,653 122,306,834 86,658,337 82,746,430 39,238,167 71,568,002 72,218,479 56,246,744 142,647,435 149,809,616 137,355,251 117,184,749 146,075,886 Intangible assets 3,745,122 4,104,678 1,214,956 6,956 18,880 Other assets 7,659,590 7,970,867 7,747,985 7,527,580 8,332,799 355,228,793 329,391,074 329,563,491 320,113,838 297,332,646 30,060,546 28,303,962 23,277,031 32,751,363 20,949,418 * 35,777,189 25,062,773 32,763,981 20,955,068 30,383,076 36,009,055 33,607,029 48,552,355 55,066,424 3,620,300 6,794,504 6,296,677 6,568,196 3,883,441 64,063,922 71,107,521 63,180,737 87,871,914 79,899,283 * 78,580,748 64,966,479 87,884,532 79,904,933 191,323,332 197,983,633 177,923,859 161,407,435 154,748,456 67,707,287 85,381,599 84,933,195 80,074,184 81,875,491 34,795,993 26,572,792 42,401,701 26,794,291 20,004,054 * 17,745,952 21,055,740 13,446,116 13,339,425 27,557,845 (9,527,362) (9,871,086) (9,537,237) (10,795,621) (824,922) (241,153) (1,319,452) Current assets Funds and investments Property, plant and equipment Total assets Current liabilities Before distribution After distribution Long-term interest-bearing liabilities Other liabilities Total liabilities Before distribution After distribution Capital Additional paid-in capital Retained earnings Before distribution After distribution Unrealized gain or loss on financial instruments Cumulative translation adjustment Unrecognized pension cost, contra equity account, charge to stockholders’ equity (excess of additional pension liability over unrecognized prior service cost) Total equity Before distribution After distribution 913,877 728,851 - - - - - 291,164,871 258,283,553 266,382,754 232,241,924 217,433,363 * 250,810,326 264,597,012 232,229,306 217,427,713 *Subject to change following resolutions decided during the 2007 shareholders’ meeting. 101 United Microelectronics Corporation | Annual Report 2006 Condensed Statements of Income In thousand NTD 2006 2005 2004 2003 2002 104,098,611 90,775,439 117,311,840 84,862,070 67,425,745 20,693,472 11,195,550 35,820,944 19,442,269 11,195,150 Operating income (loss) 6,124,138 (2,668,719) 24,454,992 9,936,334 140,971 Non-operating income 33,871,592 13,871,542 14,895,451 9,033,180 10,483,535 2,979,691 4,175,293 7,473,153 4,154,145 3,540,412 Income from continuing operations before income tax 37,016,039 7,027,530 31,877,290 14,815,369 7,084,094 Income from continuing operations 33,807,828 7,026,692 31,843,381 14,020,257 7,072,032 Discontinued operations - - - - - Extraordinary items - - - - - - - - - Net operating revenues Gross profit Non-operating expenses Cumulative effect of change in accounting principle (1,188,515) Net income 32,619,313 7,026,692 31,843,381 14,020,257 7,072,032 1.81 0.38 1.68 0.75 0.38 Earnings per share (NTD) Note The EPS calculations for 2002-2005 were based on the retroactive adjustment for capitalization of unappropriated earnings, additional paid-in capital and bonuses to employees, and the EPS calculation for 2006 was based on weighted average shares outstanding for the period. Auditors’ Opinion Year CPA Auditors’ Opinion 2002 James Wang, Thomas Yue A modified unqualified opinion 2003 James Wang, Thomas Yue A modified unqualified opinion 2004 Kim Chang, MY Lee A modified unqualified opinion 2005 James Wang, MY Lee A modified unqualified opinion 2006 James Wang, MY Lee A modified unqualified opinion 102 Financial Review Unconsolidated Financial Analysis Capital structure analysis (%) Liquidity analysis (%) 2006 2005 2004 2003 2002 18.03 21.59 19.17 27.45 26.87 Long-term funds to fixed assets 225.41 196.44 218.40 239.62 186.55 Current ratio 393.97 453.18 474.17 373.44 413.66 Quick ratio 351.82 404.71 421.28 340.19 359.62 57.80 7.01 23.58 9.58 4.32 8.42 7.87 9.45 7.23 8.12 43 46 39 50 45 Debts ratio Times interest earned Operating performance analysis Average collection turnover (times) Average collection days Average inventory turnover (times) 8.17 8.51 10.01 8.45 8.40 Average payable turnover (times) 20.21 18.43 18.61 18.77 21.58 Average inventory turnover days Profitability analysis (%) 45 43 36 43 43 Fixed assets turnover (times) 0.71 0.63 0.92 0.64 0.45 Total assets turnover (times) 0.30 0.28 0.36 0.27 0.22 Return on total assets Return on equity Operating income(loss) to capital 10.08 4.84 2.65 2.68 12.77 6.24 3.14 3.20 (1.35) 13.74 6.16 0.09 18.73 3.55 17.92 9.18 4.58 Net income to sales 31.34 7.74 27.14 16.52 10.49 1.81 0.38 1.68 0.75 0.38 Cash flow ratio 153.19 156.32 296.49 139.22 133.89 Cash flow adequacy ratio 151.32 148.68 115.97 105.92 87.59 6.32 7.73 13.64 10.37 7.06 12.58 (24.95) 3.66 6.65 421.35 0.74 1.05 1.14 Cash flow reinvestment ratio Leverage 2.34 Income before income tax to capital Earnings per share (NTD) Cash Flow (%) 9.67 11.87 Operating leverage Financial leverage Explanation for significant changes (over 20%) in financial analysis include: 1. Times interest earned: Mainly resulted from an increase in earnings before interest and taxes over the previous year. 2. Return on total assets: Mainly resulted from an increase in net income over the previous year. 3. Return on equity: Mainly resulted from an increase in net income over the previous year. 4. Operating income to capital: Mainly resulted from an increase in operating income over the previous year. 5. Income before income tax to capital: Mainly resulted from 1.11 (0.11) an increase in income before income tax over the previous year. 6. Net income to sales: Mainly resulted from an increase of operating income over the previous year. 7. Earnings per share (NTD): Mainly resulted from the increase of net income over the previous year. 8. Operating leverage: Mainly resulted from the operating loss for 2005. 9. Financial leverage: Mainly resulted from the operating loss for 2005. Notes (1) The EPS calculations for 2002-2005 were based on the retroactive adjustment for capitalization of unappropriated earnings and bonus to employees; the EPS calculation for 2006 was based on weighted average shares outstanding for the period. (2) The calculation formulas of financial analysis are listed as follows Capital structure analysis (1) Debts ratio = Total liabilities / Total assets (2) Long-term funds to fixed assets = (Stockholders’ equity + Long-term interest-bearing liabilities) / Net fixed assets Liquidity analysis (1) Current ratio = Current assets / Current liabilities (2) Quick ratio= (Current assets - Inventories - Prepaid expenses - Current deferred income tax assets ) / Current liabilities (3) Times interest earned = Earnings before interest and taxes / Interest expense Operating performance analysis (1) Average collection turnover (times)=Net sales / Average trade receivables (2) Average collection days=365 / Average collection turnover (times) (3) Average inventory turnover (times)=Cost of goods sold / Average inventory (4) Average payable turnover (times)=Cost of goods sold / Average trade payables (5) Average inventory turnover days=365 / Average inventory turnover (times) (6) Fixed assets turnover (times)=Net sales / Average fixed assets (7) Total assets turnover (times)=Net sales / Average total assets Profitability analysis (1) Return on total assets={Net income+Interest expense × (1-Tax rate)} / Average total assets (2) Return on equity=Net income / Average stockholders’ equity (3) Operating income to capital=Operating income / Capital (4) Income before income tax to capital=Income before income tax / Capital (5) Net income to sales=Net income / Net sales (6) Earnings per share=(Net income-Preferred stock dividend) / Weighted average number of shares outstanding Cash flow (1) Cash flow ratio=Net cash provided by operating activities / Current liabilities (2) Cash flow adequacy ratio=Five-year sum of cash from operation / Five-year sum of capital expenditures, Inventory additions, and Cash dividends (3) Cash flow reinvestment ratio=(Cash provided by operating activities-Cash dividends) / (Gross fixed assets+Long-term investments+Other assets+Working capital) Leverage (1) Operating leverage=(Net sales-Variable cost) / Operating income (2) Financial leverage=Operating income(loss) / (Operating income(loss)-Interest expense) 103 United Microelectronics Corporation | Annual Report 2006 Supervisors’ Report The board of directors has prepared and submitted to us the Company’s 2006 financial statements. These statements have been audited by Ernst & Young. The financial statements present fairly the financial position of the Company and the results of its operations and cash flows. We, as the Supervisors of the Company, have reviewed these statements, the report of operations and the proposals relating to distribution of net profit. According to article 219 of the Company Law, we hereby submit this report. United Microelectronics Corporation Supervisors: Tzyy-Jang Tseng Ta-Hsing Wang Ting-Yu Lin March 15, 2007 104 Financial Review Unconsolidated UNITED MICROELECTRONICS CORPORATION FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE YEARS ENDED DECEMBER 31, 2006 AND 2005 Address: No. 3 Li-Hsin Road II, Hsinchu Science Park, Hsinchu City, Taiwan, R.O.C. Telephone: 886-3-578-2258 The reader is advised that these financial statements have been prepared originally in Chinese. In the event of a conflict between these financial statements and the original Chinese version or difference in interpretation between the two versions, the Chinese language financial statements shall prevail. 105 United Microelectronics Corporation | Annual Report 2006 REPORT OF INDEPENDENT AUDITORS English Translation of a Report Originally Issued in Chinese To United Microelectronics Corporation We have audited the accompanying balance sheets of United Microelectronics Corporation as of December 31, 2006 and 2005, and the related statements of income, statements of changes in stockholders’ equity, and cash flows for the years ended December 31, 2006 and 2005. These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements based on our audits. As described in Note 4(10) to the financial statements, certain long-term investments were accounted for under the equity method based on financial statements as of December 31, 2006 and 2005 of the investees, which were audited by other auditors. Our opinion insofar as it relates to the investment income amounting to NT$911 million and NT$821 million for the years ended December 31, 2006 and 2005, respectively, and the related long-term investment balances of NT$1,186 million and NT$5,898 million as of December 31, 2006 and 2005, respectively, is based solely on the reports of the other auditors. We conducted our audits in accordance with auditing standards generally accepted in the Republic of China and “Guidelines for Certified Public Accountants’ Examination and Reports on Financial Statements”, which require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. We believe that our audits and the reports of the other auditors provide a reasonable basis for our opinion. In our opinion, based on our audits and the reports of other auditors, the financial statements referred to above present fairly, in all material respects, the financial position of United Microelectronics Corporation as of December 31, 2006 and 2005, and the results of its operations and its cash flows for the years ended December 31, 2006 and 2005, in conformity with the “Business Entity Accounting Law”, “Guidelines Governing the Preparation of Financial Reports by Securities Issuers” and accounting principles generally accepted in the Republic of China. As described in Note 3 to the financial statements, effective from January 1, 2006, United Microelectronics Corporation has adopted the ROC Statement of Financial Accounting Standards No. 34, “Financial Instruments:Recognition and Measurement” and No. 36, “Financial Instruments:Disclosure and Presentation” to account for the financial instruments. As described in Note 3 to the financial statements, effective from January 1, 2005, United Microelectronics Corporation has adopted the ROC Statement of Financial Accounting Standards No. 35, “Accounting for Asset Impairment” to account for the impairment of its assets. Effective from January 1, 2006, goodwill is no longer subject to amortization. We have also audited the consolidated financial statements of United Microelectronics Corporation as of and for the years ended December 31, 2006 and 2005, and have expressed an unqualified opinion with explanatory paragraph on such financial statements. February 9, 2007 Taipei, Taiwan Republic of China Notice to Readers The accompanying audited financial statements are intended only to present the financial position and results of operations and cash flows in accordance with accounting principles and practices generally accepted in the Republic of China and not those of any other jurisdictions. The standards, procedures and practices to audit such financial statements are those generally accepted and applied in the Republic of China. 106 2 2, 4 (22) 2, 4 (12), 4 (13), 6 Other assets Deferred charges Deferred income tax assets, noncurrent Other assets - others Total other assets Total assets 2, 3 2, 4(13) 2, 4 (11), 7 2, 3, 4 (8), 4(13) 2, 3, 4 (4) 2, 3, 4 (9) 2, 3, 4 (10), 4(13) 2, 4 (22) 2, 4 (1) 2, 3, 4 (2) 2, 3, 4 (3) 2, 3, 4 (4) 4 (5) 5 2, 4 (6) 2, 5 2 2, 4 (7) Notes Intangible assets Goodwill Technological know-how Total intangible assets Property, plant and equipment Land Buildings Machinery and equipment Transportation equipment Furniture and fixtures Total cost Less : Accumulated depreciation Add : Construction in progress and prepayments Property, plant and equipment, net Funds and investments Available-for-sale financial assets, noncurrent Held-to-maturity financial assets, noncurrent Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Total funds and investments Current assets Cash and cash equivalents Financial assets at fair value through profit or loss, current Available-for-sale financial assets, current Held-to-maturity financial assets, current Notes receivable Notes receivable - related parties Accounts receivable, net Accounts receivable - related parties, net Other receivables Inventories, net Prepaid expenses Deferred income tax assets, current Total current assets Assets $ $ $ Total liabilities Other liabilities Accrued pension liabilities Deposits-in Deferred credits - intercompany profits Other liabilities - others Total other liabilities Long-term liabilities Bonds payable Total long-term liabilities 329,391,074 Total liabilities and stockholders' equity 1,132,576 Capital 16,287,803 Common stock 366,982,250 Capital collected in advance 88,413 Additional Paid-in Capital 2,199,773 Premiums 386,690,815 Treasury stock transactions (252,474,004) Change in equities of long-term investments 15,592,805 Retained earnings 149,809,616 Legal reserve Special reserve Unappropriated earnings 3,745,122 Adjusting items in stockholders' equity 359,556 Cumulative translation adjustment 4,104,678 Unrealized gain or loss on financial instruments Treasury stock Total stockholders' equity 1,963,950 4,001,394 2,005,523 7,970,867 5,513,284 977,856 2,265,467 30,481,560 39,238,167 96,596,623 2,468,968 2,414,153 193 62,136 6,200,228 6,097,343 708,552 9,963,253 421,787 3,334,510 128,267,746 Liabilities and Stockholders' Equity Current liabilities Financial liabilities at fair value through profit or loss, current Accounts payable Income tax payable Accrued expenses Payable on equipment Current portion of long-term liabilities Other current liabilities Total current liabilities The accompanying notes are an integral part of the financial statements. 355,228,793 1,465,645 4,159,214 2,034,731 7,659,590 3,745,122 3,745,122 1,132,576 16,274,780 394,330,240 79,117 2,369,060 414,185,773 (293,766,593) 22,228,255 142,647,435 41,218,780 2,285,326 39,242,324 82,746,430 $ As of December 31, 2005 83,394,802 8,538,007 974,272 3,733 50,648 6,262,985 6,048,376 486,242 10,119,521 638,117 1,913,513 118,430,216 2006 English Translation of Financial Statements Originally Issued in Chinese UNITED MICROELECTRONICS CORPORATION BALANCE SHEETS December 31, 2006 and 2005 (Expressed in Thousands of New Taiwan Dollars) 2, 4 (10), 4 (17), 4 (19) 2, 4 (8) 4 (17), 4 (20) 2, 4 (17) 2, 4 (17), 4 (18), 4 (20) 2 2, 4 (10) 2, 4 (16) 2, 4 (15) 2, 4 (15) 2 2, 3, 4 (14) Notes $ $ 355,228,793 (824,922) 27,557,845 (29,394,664) 291,164,871 16,699,508 322,150 17,774,335 61,070,555 8,938 6,627,794 191,311,927 11,405 64,063,922 3,086,774 14,448 3,579 515,499 3,620,300 30,383,076 30,383,076 $ $ 329,391,074 (241,153) (9,527,362) (41,885,956) 258,283,553 15,996,839 1,744,171 8,831,782 64,600,076 20,781,523 197,947,033 36,600 71,107,521 3,003,778 20,827 9,806 3,760,093 6,794,504 36,009,055 36,009,055 95,634 4,100,708 60,389 7,596,727 5,277,863 10,250,000 922,641 28,303,962 As of December 31, 2005 985,267 4,018,368 2,018,673 6,245,411 10,101,767 5,355,883 1,335,177 30,060,546 2006 Financial Review Unconsolidated 107 United Microelectronics Corporation | Annual Report 2006 English Translation of Financial Statements Originally Issued in Chinese UNITED MICROELECTRONICS CORPORATION STATEMENTS OF INCOME For the years ended December 31, 2006 and 2005 (Expressed in Thousands of New Taiwan Dollars, Except for Earnings per Share ) For the year ended December 31, 2006 2005 Notes Operating revenues Sales revenues Less : Sales returns and discounts Net sales Other operating revenues Net operating revenues Operating costs Cost of goods sold Other operating costs Operating costs Gross profit Unrealized intercompany profit Realized intercompany profit Gross profit-net Operating expenses Sales and marketing expenses General and administrative expenses Research and development expenses Subtotal Operating income (loss) Non-operating income Interest revenue Investment gain accounted for under the equity method, net Dividend income Gain on disposal of property, plant and equipment Gain on disposal of investments Exchange gain, net Gain on recovery of market value of inventories Gain on valuation of financial assets Gain on valuation of financial liabilities Other income Subtotal Non-operating expenses Interest expense Investment loss accounted for under the equity method, net Loss on disposal of property, plant and equipment Loss on decline in market value and obsolescence of inventories Financial expenses Impairment loss Other losses Subtotal Income from continuing operations before income tax Income tax expense Net income from continuing operations Cumulative effect of changes in accounting principles (the net amount after deducted tax expense $0) Net income 2, 5 Earnings per share-basic (NTD) Income from continuing operations Cumulative effect of changes in accounting principles Net income 2, 4 (23) Earnings per share-diluted (NTD) Income from continuing operations Cumulative effect of changes in accounting principles Net income 2, 4 (23) Pro forma information on earnings as if subsidiaries' investment in the Company is not treated as treasury stock Net income Earnings per share-basic (NTD) Earnings per share-diluted (NTD) 2, 4 (23) $ 102,023,597 (710,191) 101,313,406 2,785,205 104,098,611 90,780,340 (1,840,345) 88,939,995 1,835,444 90,775,439 4 (21), 5 2 2 (81,618,123) (1,801,277) (83,419,400) 20,679,211 (105,892) 120,153 20,693,472 (78,836,403) (777,750) (79,614,153) 11,161,286 (120,153) 154,417 11,195,550 (2,601,671) (2,730,047) (9,237,616) (14,569,334) 6,124,138 (2,280,674) (3,225,165) (8,358,430) (13,864,269) (2,668,719) 1,453,040 1,873,777 860,977 133,212 27,501,643 296,044 660,106 306,140 786,653 33,871,592 945,610 922,562 62,884 10,096,375 252,303 919,884 671,924 13,871,542 (630,738) (32,480) (918,253) (229,602) (1,103,812) (64,806) (2,979,691) 37,016,039 (3,208,211) 33,807,828 (1,188,515) (918,173) (2,677,263) (81,544) (258,110) (160,191) (80,012) (4,175,293) 7,027,530 (838) 7,026,692 - 4 (21), 5 2, 5 2, 4 (10) 2 2 2, 10 2 2 2 4 (11) 2, 4 (10) 2 2 2, 4(13) 2, 4 (22) 3 $ 32,619,313 $ 7,026,692 Pre-tax Post-tax Pre-tax Post-tax $ 2.05 (0.06) $ 1.99 $ 1.87 (0.06) $ 1.81 $ 0.38 $ 0.38 $ 1.98 (0.06) $ 1.92 $ 1.81 (0.06) $ 1.75 $ $ $ 32,686,223 1.80 1.75 The accompanying notes are an integral part of the financial statements. 108 $ - - $ 0.38 $ 0.38 $ 0.37 $ 0.37 - - $ 0.37 $ 0.37 $ $ $ 7,026,692 0.36 0.36 - 2, 4 (19) Cancellation of treasury stock - - Adjustment of funds and investments disposal Changes in unrealized gain on financial instruments of investees Exercise of emloyee stock options 2 4 (17) Changes in cumulative translation adjustment Balance as of December 31, 2006 Common stock transferred from capital collected in advance 2 2, 4 (18) Changes in unrealized gain on available-for-sale financial assets 191,311,927 - 36,600 1,079,523 - - 2, 4 (8) Cash dividends allocated to subsidaries 2 - Adjustment of additional paid-in capital accounted for under the equity method 2 (10,000,000) Net income in 2006 2, 4 (17), 4 (19) Cancellation of treasury stock - 2, 4 (19) Purchase of treasury stock 895,158 Adjustment of treasury stock due to loss of control over subsidiary 4 (17) Additional paid-in capital transferred to common stock 458,455 Employee bonus - stock Stock dividends Employee bonus - cash 895,158 Cash dividends - - Remuneration to directors and supervisors - Special reserve - 197,947,033 - 4,040 Legal reserve 4 (20) Appropriation of 2005 retained earnings 2 Changes in cumulative translation adjustment 4 (17) 2 Common stock transferred from capital collected in advance 3 (3) 2, 4 (18) Exercise of emloyee stock options The effect of adopting SFAS NO. 34 - 2 Changes in unrealized loss on long-term investments of investees 954,095 - Adjustment of additional paid-in capital accounted for under the equity method 2 - Net income in 2005 (491,140) 1,972,855 2, 4 (19) Employee bonus-stock Purchase of treasury stock Balance as of December 31, 2005 $ - $ $ 67,707,287 - - 634,737 - - 66,910 (14,091,043) (62,686) - (57,972) (3,269,100) - (895,158) - - - - - - - - 85,381,599 - - 654,314 - (28,491) - (177,419) - - - - - - - 84,933,195 Additional Paid-in Capital $ $ 16,699,508 - - - - - - - - - - - - - - - - - - - 702,669 - 15,996,839 - - - - - - - - - - - - - 3,184,338 12,812,501 Legal Reserve $ $ 322,150 - - - - - - - - - - - - - - - - - - (1,422,021) - - 1,744,171 - - - - - - - - - - - - 1,653,300 - 90,871 Special Reserve Retained Earnings The accompanying notes are an integral part of the financial statements. 11,405 - (36,600) 11,405 - - - - - - - - - - - - - - - - - - 36,600 - (4,040) 36,600 - - - - - - 17,587,364 Stock dividends - - - 4,040 - - Cash dividends $ Collected in Advance - - Remuneration to directors and supervisors - 177,919,819 Common Stock Special reserve $ $ Legal reserve 4 (20) Appropriation of 2004 retained earnings Notes 4 (17) Balance as of January 1, 2005 Capital (Expressed in Thousands of New Taiwan Dollars) For the years ended December 31, 2006 and 2005 STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY UNITED MICROELECTRONICS CORPORATION English Translation of Financial Statements Originally Issued in Chinese $ $ 17,774,335 - - - - - - - - 32,619,313 (9,198,144) (6,371,128) - - (458,455) (305,636) (6,324) (895,158) (7,161,267) 1,422,021 (702,669) - 8,831,782 - - - - - 7,026,692 (1,509,640) - (1,972,855) (27,006) (17,587,364) (1,758,736) (1,653,300) (3,184,338) 29,498,329 Unappropriated Earnings $ $ 27,557,845 - - - 9,301,230 1,664,839 - - - - 2,620,135 - - - - - - - - - - 23,499,003 (9,527,362) - - - 343,724 - - - - - - - - - - (9,871,086) Unrealized Gain/Loss on Finanaical Instruments $ $ (824,922) (603,486) - - - - - 8,170 - - - - - - - - - - - - - 11,547 (241,153) 1,078,299 - - - - - - - - - - - - - (1,319,452) Cumulative Translation Adjustment $ (29,394,664) - - - - - - - - - 20,137,403 19,640,228 (27,286,339) - - - - - - - - - (41,885,956) - - - - - - 2,178,199 (16,378,692) - - - - - - $ (27,685,463) Treasury Stock $ $ 291,164,871 (603,486) - 1,725,665 9,301,230 1,664,839 66,910 (14,082,873) (62,686) 32,619,313 13,501,422 - (27,286,339) - - (305,636) (6,324) - (7,161,267) - - 23,510,550 258,283,553 1,078,299 - 1,645,009 343,724 (28,491) 7,026,692 - (16,378,692) - (27,006) - (1,758,736) - - 266,382,754 Total Financial Review Unconsolidated 109 United Microelectronics Corporation | Annual Report 2006 English Translation of Financial Statements Originally Issued in Chinese UNITED MICROELECTRONICS CORPORATION STATEMENTS OF CASH FLOWS For the years ended December 31, 2006 and 2005 (Expressed in Thousands of New Taiwan Dollars) For the year ended December 31, 2006 2005 Cash flows from operating activities: Net income $ 32,619,313 $ 7,026,692 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation 42,512,610 46,129,225 Amortization 1,780,590 2,387,679 ΓBad debt reversal Loss (gain) on decline (recovery) in market value and obsolescence of inventories Cash dividends received under the equity method Investment (gain) loss accounted for under the equity method Loss on valuation of financial assets and liabilities Transfer of property, plant and equipment to losses and expenses Impairment loss Gain on disposal of investments (164,908) (151,042) 918,253 (919,884) 1,076,020 (1,873,777) 724,510 2,677,263 222,269 - - 9,370 1,103,812 160,191 (27,501,643) (10,096,375) Loss (gain) on disposal of property, plant and equipment Exchange gain on financial assets and liabilities (100,732) (13,009) (2,352) Exchange (gain) loss on long-term liabilities (126,106) 65,827 Amortization of bond discounts 94,896 Amortization of deferred income (99,210) 18,660 (89,762) Changes in assets and liabilities: Financial assets and liabilities at fair value through profit or loss, current (5,803,828) 46,605 Notes and accounts receivable 159,629 (658,907) Other receivables 270,444 (128,727) Inventories (1,071,401) 104,968 Prepaid expenses (220,048) (108,025) Accounts payable (1,624,382) (1,087,713) Accrued expenses 2,135,234 Other current liabilities Capacity deposits Accrued pension liabilities Other liabilities - others Net cash provided by operating activities 407,389 (547,542) (57,471) (5,200) (193,249) 82,996 313,267 1,269,963 263,017 46,049,174 45,886,225 Cash flows from investing activities: Cash proceeds from merger Acquisition of available-for-sale financial assets Proceeds from disposal of available-for-sale financial assets Proceeds from disposal of held-to-maturity financial assets Acquisition of financial assets measured at cost Proceeds from disposal of financial assets measured at cost Acquisition of long-term investments accounted for under the equity method Proceeds from disposal of long-term investments accounted for under the equity method Proceeds from liquidation of long-term investments Acquisition of property, plant and equipment Proceeds from disposal of property, plant and equipment Increase in deferred charges Increase in other assets - others Increase in other receivables Net cash used in investing activities 110 (296,823) 15,788,568 (85,080) 254,261 (7,437,443) 943,862 (2,013,681) 7,705,917 707,820 (385,477) 92,457 (6,298,288) 7,801,029 3,354,361 150,000 13,346,789 (31,204,419) 248,962 (1,082,648) (17,391) (15,880,984) (18,586,587) 129,468 (1,356,305) (161,341) (5,137,760) (7,658,765) Financial Review Unconsolidated English Translation of Financial Statements Originally Issued in Chinese UNITED MICROELECTRONICS CORPORATION STATEMENTS OF CASH FLOWS For the years ended December 31, 2006 and 2005 (Expressed in Thousands of New Taiwan Dollars) For the year ended December 31, 2006 2005 (continued) Cash flows from financing activities: Decrease in short-term loans, net $ - $ - Repayment of long-term loans Redemption of bonds (16,153,714) (10,250,000) Issuance of bonds (2,820,004) - Cash dividends 12,478,603 (7,155,865) Payment of employee bonus (1,758,736) - (305,636) Remuneration paid to directors and supervisors (6,324) Exercise of employee stock options Purchase of treasury stock Decrease in deposits-in Net cash used in financing activities Effect of exchange rate changes on cash and cash equivalents (1,904,400) (27,006) 1,725,665 1,642,009 (27,286,339) (16,378,692) (6,379) (1,255) (43,284,878) (24,923,195) (85,133) (54,971) Increase (decrease) in cash and cash equivalents (13,201,821) 13,249,294 Cash and cash equivalents at beginning of year 96,596,623 83,347,329 Cash and cash equivalents at end of year $ 83,394,802 $ 96,596,623 Cash paid for interest $ 953,685 $ 1,334,219 Cash paid (refunded) for income tax $ 27,260 $ $ 36,028,323 $ Supplemental disclosures of cash flow information: (163,469) Investing activities partially paid by cash: Acquisition of property, plant and equipment Add: Payable at beginning of year 5,277,863 4,704,299 - Payable transferred in from the Branch at beginning of year Less: Payable at end of year 1,573,637 (10,101,767) Cash paid for acquiring property, plant and equipment 17,586,514 (5,277,863) $ 31,204,419 $ 18,586,587 $ 69,621 $ - Investing and financing activities not affecting cash flows: Principal amount of exchangeable bonds exchanged by bondholders Book value of available-for-sale financial assets delivered for exchange (20,242) Elimination of related balance sheet accounts Recognition of gain on disposal of investments - 15,302 $ 64,681 $ - The accompanying notes are an integral part of the financial statements. 111 United Microelectronics Corporation | Annual Report 2006 UNITED MICROELECTRONICS CORPORATION NOTES TO FINANCIAL STATEMENTS December 31, 2006 and 2005 (Expressed in Thousands of New Taiwan Dollars unless Otherwise Specified) 1.HISTORY AND ORGANIZATION United Microelectronics Corporation (the Company) was incorporated in May 1980 and commenced operations in April 1982. The Company is a full service semiconductor wafer foundry, and provides a variety of services to satisfy customer needs. These services include intellectual property, embedded IC design, design verification, mask tooling, wafer fabrication, and testing. The Company’s common shares were publicly listed on the Taiwan Stock Exchange (TSE) in July 1985 and its American Depositary Shares (ADSs) were listed on the New York Stock Exchange (NYSE) in September 2000. Based on the resolution of the board of directors’ meeting on February 26, 2004, the effective date of the Company’s merger with SiS MICROELECTRONICS CORP. (SiSMC) was July 1, 2004. The Company was the surviving company, and SiSMC was the dissolved company. The merger was approved by the relevant government authorities. All the assets, liabilities, rights, and obligations of SiSMC have been fully incorporated into the Company since July 1, 2004. Based on the resolution of the board of directors’ meeting on August 26, 2004, UMCI LTD had transferred its businesses, operations, and assets to the Company’s Singapore branch (the Branch) since April 1, 2005. 2.SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES The financial statements were prepared in conformity with the “Business Entity Accounting Law”, “Guidelines Governing the Preparation of Financial Reports by Securities Issuers” and accounting principles generally accepted in the Republic of China (R.O.C.). Summary of significant accounting policies is as follows: Use of Estimates The preparation of the Company’s Financial Statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that will affect the amount of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amount of revenues and expenses during the reported period. Actual results may differ from those estimates. 112 Financial Review Unconsolidated Foreign Currency Transactions Transactions denominated in foreign currencies are remeasured into the local functional currencies and recorded based on the exchange rates prevailing at the transaction dates. Monetary assets and liabilities denominated in foreign currencies are remeasured into the local functional currencies at the exchange rates prevailing at the balance sheet date, with the related exchange gains or losses included in the statements of income. Translation gains or losses from investments in foreign entities are recognized as cumulative translation adjustment in stockholders’ equity. Non-monetary assets and liabilities denominated in foreign currencies that are reported at fair value with changes in fair value charged to the statements of income, are remeasured at the exchange rate at the balance sheet date, with related exchange gains or losses recorded in the statements of income. Non-monetary assets and liabilities denominated in foreign currencies that are reported at fair value with changes in fair value charged to stockholders’ equity, are remeasured at the exchange rate at the balance sheet date, with related exchange gains or losses recorded as adjustment items to stockholders’ equity. Non-monetary assets and liabilities denominated in foreign currencies and reported at cost are remeasured at historical exchange rates. Translation of Foreign Currency Financial Statements The financial statements of the Branch are translated into New Taiwan Dollars using the spot rates as of each financial statement date for asset and liability accounts, average exchange rates for profit and loss accounts. The cumulative translation effects from the Branch using functional currencies other than the New Taiwan Dollars are included in the cumulative translation adjustment in stockholders’ equity. Cash Equivalents Cash equivalents are short-term, highly liquid investments that are readily convertible to known amounts of cash and with maturity dates that do not present significant risks on changes in value resulting from changes in interest rates, including commercial paper with original maturities of three months or less. Financial Instruments In accordance with ROC Statement of Financial Accounting Standard (SFAS) No. 34, “Financial Instruments: Recognition and Measurement” and the “Guidelines Governing the Preparation of Financial Reports by Securities Issuers”, financial assets are classified as either financial assets at fair value through profit or loss, held-to-maturity financial assets, financial assets measured at cost, or available-for-sale financial assets. Financial liabilities are recorded at fair value through profit or loss. 113 United Microelectronics Corporation | Annual Report 2006 The Company accounts for purchase or sale of financial instruments as of the trade date, which is the date the Company commits to purchasing or selling the asset or liability. Financial assets and financial liabilities are initially recognized at fair value plus acquisition or issuance costs. Accounting policies prior to December 31, 2005 are described in Note 3. a.Financial instruments at fair value through profit or loss Financial instruments held for short-term sale or repurchase purposes, and derivative financial instruments not qualified for hedge accounting, are classified as financial assets or liabilities at fair value through profit or loss. This category of financial instruments is measured at fair value, and changes in fair value are recognized in the statements of income. Stock of listed companies, convertible bonds, and close-end funds are measured at closing prices as of the balance sheet date. Open-end funds are measured at the unit price of the net assets as of the balance sheet date. The fair value of derivative financial instruments is determined by using valuation techniques commonly used by market participants. b.Held-to-maturity financial assets Non-derivative financial assets with fixed or determinable payments and fixed maturity are classified as held-to-maturity financial assets if the Company has both the positive intention and ability to hold the financial assets to maturity. Investments intended to be held to maturity are measured at amortized cost. The Company recognizes an impairment loss if objective evidence of impairment loss exists. However, the impairment loss may be reversed if the value of asset recovers subsequently and the Company concludes the recovery is related to improvements in events or factors that originally caused the impairment loss. The new cost basis as a result of the reversal cannot exceed the amortized cost prior to the impairment. c.Financial assets measured at cost Unlisted stock, funds, and other securities without reliable market prices are measured at cost. When objective evidence of impairment exists, the Company recognizes an impairment loss, which cannot be reversed in subsequent periods. 114 Financial Review Unconsolidated d.Available-for-sale financial assets Available-for-sale financial assets are non-derivative financial instruments not classified as financial assets at fair value through profit or loss, held-to-maturity financial assets, loans and receivables. Subsequent measurement is calculated at fair value. Investments in listed companies are measured at closing prices as of the balance sheet date. Any gain or loss arising from the change in fair value, excluding impairment loss and exchange gain or loss arising from monetary financial assets denominated in foreign currencies, is recognized as an adjustment to stockholders’ equity until such investment is reclassified or disposed of, upon which the cumulative gain or loss previously charged to stockholders’ equity will be recorded in the statement of income. The Company recognizes an impairment loss when objective evidence of impairment exists. Any reduction in the loss of equity investments in subsequent periods will be recognized as an adjustment to stockholders’ equity. The impairment loss of a debt security may be reversed and recognized in the current year’s statement of income if the security recovers and the Company concludes the recovery is clearly related to improvements in the factors or events that originally caused the impairment. Allowance for Doubtful Accounts An allowance for doubtful accounts is provided based on management’s judgment of the collectibility and aging analysis of accounts and other receivables. Inventories Inventories are accounted for on a perpetual basis. Raw materials are recorded at actual purchase costs, while the work in process and finished goods are recorded at standard costs and adjusted to actual costs using the weighted-average method at the end of each month. Inventories are stated individually by category at the lower of aggregate cost or market value as of the balance sheet date. The market values of raw materials and supplies are determined on the basis of replacement cost while the market values of work in process and finished goods are determined by net realizable values. An allowance for loss on decline in market value or obsolescence is provided, when necessary. Long-term Investments Accounted for Under the Equity Method Long-term investments are initially recorded at acquisition cost. Investments acquired by the contribution of technological know-how are credited to deferred credits among affiliates, which will be amortized to income over a period of 5 years. Investments in which the Company has ownership of at least 20% or exercises significant influence on operating decisions are accounted for under the equity method. Prior to January 1, 2006, the difference of the acquisition cost and the underlying equity in the investee’s net assets as of acquisition date was amortized over 5 years; however, effective January 1, 2006, arising differences from new acquisitions are analyzed and accounted for under the ROC SFAS No. 25, “Business Combination – Accounting Treatment under Purchase Method”, where goodwill is no longer to be amortized. 115 United Microelectronics Corporation | Annual Report 2006 The change in the Company’s proportionate share in the net assets of an investee resulting from its acquisition of additional stock issued by the investee at a rate not proportionate to its existing equity ownership is charged to the additional paid-in capital and long-term investments accounts. Unrealized intercompany gains and losses arising from sales from the Company to equity method investees are eliminated in proportion to the Company’s year end ownership percentage until realized through transactions with third parties. Intercompany gains and losses arising from transactions between the Company and majority-owned (above 50%) subsidiaries are eliminated entirely until realized through transactions with third parties. Unrealized intercompany gains and losses due to sales from equity method investees to the Company are eliminated in proportion to the Company’s weighted-average ownership percentage of the investee until realized through transactions with third parties. Unrealized intercompany gains and losses arising from transactions between two equity method investees are eliminated in proportion to the Company’s multiplied weighted-average ownership percentage with the investees until realized through transactions with third parties. Those intercompany gains and losses arising from transactions between two majority-owned subsidiaries are eliminated in proportion to the Company’s weighted-average ownership percentage in the subsidiary that incurred the gain or loss. If the recoverable amount of investees accounted for under the equity method is less than its carrying amount, the difference is to be recognized as impairment loss in the current period. The total value of an investment and related receivables cannot be negative. If, after the investment loss is recognized, the net book value of the investment is less than zero, the investment is reclassified to other liabilities-others on the balance sheet. Property, Plant and Equipment Property, plant and equipment are stated at cost. Interest incurred on loans used to finance the construction of property, plant and equipment is capitalized and depreciated accordingly. Maintenance and repairs are charged to expense as incurred. Significant renewals and improvements are treated as capital expenditures and are depreciated over their estimated useful lives. When property, plant and equipment are disposed, their original cost and accumulated depreciation are written off and the related gain or loss is classified as non-operating income or expense. Idle assets are classified as other assets at the lower of net book or net realizable value, with the difference charged to non-operating expenses. 116 Financial Review Unconsolidated Depreciation is recognized on a straight-line basis using the estimated economic life of the assets less salvage value, if any. If the main property, plant and equipment are fully depreciated and sub property, plant and equipment are still in use , the depreciation is based on the newly estimated remaining useful life. The estimated economic life of the property, plant and equipment is as follows: buildings – 20 to 55 years; machinery and equipment – 5 years; transportation equipment – 5 years; furniture and fixtures – 5 years. Intangible Assets Effective January 1, 2006, goodwill generated from business combinations is no longer subject to amortization. Technological know-how is stated at cost and amortized over its estimated economic life using the straight-line method. An impairment loss will be recognized when the decreases in fair value of intangible assets are other than temporary. The book value after recognizing the impairment loss is recorded as the new cost. Deferred Charges Deferred charges are stated at cost and amortized on a straight-line basis as follows: intellectual property license fees—select the shorter term of contract or estimated economic life of the related technology; and software—3 years. Prior to December 31, 2005, the issuance costs of convertible and exchangeable bonds were classified as deferred charges and amortized over the life of the bonds. Effective January 1, 2006, the unamortized amounts as of December 31, 2005 were reclassified as a bond discount and recorded as a deduction to bonds payable. The amounts are amortized using the effective interest method over the remaining life of the bonds. If the difference between the straight-line method and the effective interest method is immaterial, the amortization of the bond discount may be amortized using the straight-line method and recorded as the adjustment of interest expenses. Convertible and Exchangeable Bonds The excess of the stated redemption price over par value is accrued as interest payable and expensed over the redemption period using the effective interest method. When convertible bondholders exercise their conversion rights, the book value of the bonds is credited to common stock at an amount equal to the par value of the common stock with the excess credited to additional paid-in capital. No gain or loss is recognized on bond conversion. 117 United Microelectronics Corporation | Annual Report 2006 When exchangeable bondholders exercise their right to exchange their bonds for reference shares, the book value of the bonds is offset against the book value of the investments in reference shares and the related stockholders’ equity accounts, with the difference recognized as a gain or loss on disposal of investments. In accordance with ROC SFAS No. 34, “Financial Instruments: Recognition and Measurement,” effective as of January 1, 2006, since the economic and risk characteristics of the embedded derivative instrument and the host contract are not clearly and closely related, derivative financial instruments embedded in exchangeable bonds shall be bifurcated and accounted as financial liabilities at fair value through profit or loss. Pension Plan All regular employees are entitled to a defined benefit pension plan that is managed by an independently administered pension fund committee. Fund assets are deposited in the committee’s name in the Central Trust of China and hence, not associated with the Company. Therefore, fund assets are not to be included in the Company’s financial statements. Pension benefits for employees of the Branch are provided in accordance with the local regulations. The Labor Pension Act of the ROC (the Act), which adopts a defined contribution plan, became effective on July 1, 2005. Employees subject to the Labor Standards Law, a defined benefit plan, were allowed to choose to either elect the pension calculation under the Act or continue to be subject to the pension calculation under the Labor Standards Law. Those employees that elected to be subject to the Act will have their seniority achieved under the Labor Standards Law retained upon election of the Act, and the Company will make monthly contributions of no less than 6% of these employees’ monthly wages to the employees’ individual pension accounts. The accounting for the Company’s pension liability is computed in accordance with ROC SFAS No.18. Net pension costs of the defined benefit plan are recorded based on an actuarial valuation. Pension cost components such as service cost, interest cost, expected return on plan assets, the amortization of net obligation at transition, pension gain or loss, and prior service cost, are all taken into consideration by the actuary. The Company recognizes expenses from the defined contribution pension plan in the period in which the contribution becomes due. Employee Stock Option Plan The Company uses intrinsic value method to recognize compensation cost for its employee stock options issued since January 1, 2004. Under the intrinsic value method, the Company recognizes the difference between the market price of the stock on date of grant and the exercise price of its employee stock option as compensation cost. The Company also discloses pro forma net income and earnings per share under the fair value method for options granted since January 1, 2004. 118 Financial Review Unconsolidated Treasury Stock The Company adopted ROC SFAS No. 30, “Accounting for Treasury Stocks” which requires that treasury stock held by the Company to be accounted for under the cost method. The cost of treasury stock is shown as a deduction to stockholders’ equity, while any gain or loss from selling treasury stock is treated as an adjustment to additional paid-in capital. The Company’s stock held by its subsidiaries is also treated as treasury stock. Revenue Recognition The Company recognizes revenue when persuasive evidence of an arrangement exists, the product or service has been delivered, the seller’s price to the buyer is fixed or determinable and collectibility is reasonably assured. Most of the Company’s sales transactions have shipping terms of Free on Board (FOB) or Free Carrier (FCA) shipment in which title and the risk of loss or damage is transferred to the customer upon delivery of the product to a carrier approved by the customer. Allowance for sales returns and discounts are estimated taking into consideration customer complaints, historical experiences, management judgment and any other known factors that might significantly affect collectibility. Such allowances are recorded in the same period in which sales are made. Capital Expenditures Versus Operating Expenditures An expenditure is capitalized when it is probable that the Company will receive future economic benefits associated with the expenditure and the expenditure amount exceeds a predetermined amount. Otherwise, the expenditure is expensed as incurred. Income Tax The Company adopted ROC SFAS No. 22, “Accounting for Income Taxes” for inter-period and intra-period income tax allocation. The provision for income taxes includes deferred income tax assets and liabilities that are a result of temporary differences between carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes, loss carry-forward and investment tax credits. A valuation allowance on deferred income tax assets is provided to the extent that it is more likely than not that the tax benefits will not be realized. A deferred tax asset or liability is classified as current or noncurrent in accordance with the classification of its related asset or liability. However, if a deferred tax asset or liability does not relate to an asset or liability in the financial statements, then it is classified as either current or noncurrent based on the expected reversal date of the temporary difference. According to ROC SFAS No. 12, “Accounting for Income Tax Credits”, the Company recognizes the tax benefit from the purchase of equipment and technology, research and development expenditure, employee training, and certain equity investment by the flow-through method. Income tax (10%) on unappropriated earnings is recorded as expense in the year in which the shareholders have resolved that the earnings shall be retained. 119 United Microelectronics Corporation | Annual Report 2006 The Income Basic Tax Act of the R.O.C. (the IBTA) became effective on January 1, 2006. Set up by the Executive Yuan, the IBTA is a supplemental 10% tax that is payable if the income tax payable determined by the ROC Income Tax Act is below the minimum amount as prescribed by the IBTA. The IBTA is calculated based on taxable income as defined by the IBTA, which includes most income that is exempted from income tax under various legislations. The impact of the IBTA has been considered in the Company’s income tax for the current reporting period. Earnings per Share Earnings per share is computed according to ROC SFAS No. 24, “Earnings Per Share.” Basic earnings per share is computed by dividing net income (loss) by the weighted-average number of common shares outstanding during the current reporting period. Diluted earnings per share is computed by taking basic earnings per share into consideration plus additional common shares that would have been outstanding if the dilutive share equivalents had been issued. Net income (loss) is also adjusted for interest and other income or expenses derived from any underlying dilutive share equivalents. The weighted-average of outstanding shares is adjusted retroactively for stock dividends and bonus share issues. Asset Impairment Pursuant to ROC SFAS No. 35, the Company assesses indicators of impairment for all its assets (except for goodwill) within the scope of the standard at each balance sheet date. If impairment is indicated, the Company compares the asset’s carrying amount with the recoverable amount of the assets or the cash-generating unit (CGU) associated with the asset and writes down the carrying amount to the recoverable amount where applicable. The recoverable amount is defined as the higher of fair value less the costs to sell and the values in use. For previously recognized losses, the Company assesses at the balance sheet date any indication that the impairment loss no longer exists or may have diminished. If there is any such indication, the Company recalculates the recoverable amount of the asset, and if the recoverable amount has increased as a result of the increase in the estimated service potential of the assets, the Company reverses the impairment loss so that the resulting carrying amount of the asset does not exceed the amount (net of amortization or depreciation) that would otherwise result had no impairment loss been recognized for the assets in prior years. In addition, a goodwill-allocated CGU or group of CGUs is tested for impairment each year, regardless of whether impairment is indicated. If an impairment test reveals that the carrying amount, including goodwill, of CGU or group of CGUs is greater than its recoverable amount, there is an impairment loss. The loss is first recorded against the CGU’s goodwill, with any remaining loss allocated to other assets on a pro rata basis proportionate to their carrying amounts. The write-down of goodwill cannot be reversed in subsequent periods under any circumstances. Impairment losses and reversals are classified as non-operating loss and income, respectively. 120 Financial Review Unconsolidated 3.ACCOUNTING CHANGES Asset Impairment The Company adopted ROC SFAS No. 35, “Accounting for Asset Impairment” to account for the impairment of its assets for its financial statements effective January 1, 2005. No retroactive adjustment is required under the standard. This change in accounting principles did not have any impact on the Company’s net income, or basic earnings per share after tax for the year ended December 31, 2005. Adoption of this standard did not have any impact on total assets as of December 31, 2005. Goodwill The Company adopted the amendments to ROC SFAS No. 1, “Conceptual Framework of Financial Accounting and Preparation of Financial Statements,” SFAS No. 5, “Long-Term Investments in Equity Securities,” and SFAS No. 25, “Business Combinations—Accounting Treatment under Purchase Method,” all of which have discontinued the amortization of goodwill effective January 1, 2006. As a result of adopting the revised SFAS No.1, revised SFAS No.5 and revised SFAS No.25 on January 1, 2006, the Company’s total assets as of December 31, 2006 are NT$ 859 million higher than if it had continued to account for goodwill under the prior year’s requirements. The net income and earnings per share for the year ended December 31, 2006, are NT$ 859 million and NT$ 0.05 higher, respectively, than if the Company had continued to account for goodwill under the prior year’s requirements. Financial Instruments (1) The Company adopted ROC SFAS No. 34, “Financial Instruments: Recognition and Measurement” and SFAS No. 36, “Financial Instruments: Disclosure and Presentation” to account for the financial instruments effective January 1, 2006. Some prior year items have been reclassified as required by ROC “Guidelines Governing the Preparation of Financial Reports by Securities Issuers,” SFAS No. 34 and No. 36 to conform with current year’s presentation. (2) The accounting policies prior to December 31, 2005 are as follows: a. Marketable Securities Marketable securities were recorded at cost at acquisition and were stated at the lower of aggregate cost or market value as of the balance sheet date. Cash dividends were recognized as dividend income at the point of receipt. Costs of money market funds and short-term notes were identified specifically while other marketable securities were determined by the weighted-average method. The market values of listed debts, equity securities and closed-end funds were determined by the average closing price during the last month of the fiscal year. The market value for open-end funds was determined by the net asset value as of the balance sheet date. The amount by which the aggregate cost exceeded the market value was reported as a loss in the current year. In subsequent periods, recovery of the market value was recognized as a gain to the extent that the market value did not exceed the original aggregate cost of the investment. 121 United Microelectronics Corporation | Annual Report 2006 b. Long-Term Investment – Cost Method or Lower of Cost or Market Value Method Investments of less than 20% of the outstanding voting rights in listed investees, where significant influence on operating decisions of the investees does not reside with the Company, were accounted for by the lower of aggregate cost or market value method. The unrealized loss resulting from the decline in market value of investments that were held for the purpose of long-term investment was deducted from the stockholders’ equity. The market value as of the balance sheet date was determined by the average closing price during the last month of the reporting period. Investments of less than 20% of the outstanding voting rights in unlisted investees were accounted for under the cost method. The Company recognized an impairment loss on investments if objective evidence existed demonstrating an other than temporary decline in fair value. The book value of the investment was written down to its fair market value. c. Derivative Financial Instruments The net receivables or payables resulting from interest rate swap and forward contracts were recorded under current assets or current liabilities before December 31, 2005. (3) The above changes in accounting principles increased the Company’s total assets, total liabilities, and stockholders’ equity as of January 1, 2006 by NT$23,648 million, NT$1,326 million, and NT$22,322 million, respectively, and resulted in an unfavorable cumulative effect of changes in accounting principles of NT$1,189 million deducted from net income, thereby reducing earnings per share by NT$0.06 for the year ended December 31, 2006. 4.CONTENTS OF SIGNIFICANT ACCOUNTS (1) CASH AND CASH EQUIVALENTS As of December 31, 2006 2005 $1,865 $1,697 874,866 2,201,585 Time deposits 75,294,424 83,180,150 Subtotal 76,171,155 85,383,432 7,223,647 11,213,191 $83,394,802 $96,596,623 Cash: Cash on hand Checking and savings accounts Cash equivalents Total 122 Financial Review Unconsolidated (2) FINANCIAL ASSETS AT FAIR VALUE THROUGH PROFIT OR LOSS, CURRENT As of December 31, Held for trading Listed stocks Convertible bonds Total 2006 2005 $8,094,274 $1,250,280 443,733 1,218,688 $8,538,007 $2,468,968 During the year ended December 31, 2006, net gain arising from the changes in fair value of financial assets at fair value through profit or loss, current, was NT$712 million. (3) AVAILABLE-FOR-SALE FINANCIAL ASSETS, CURRENT As of December 31, 2006 2005 Common stock $- $1,004,878 Preferred stock - 1,409,275 $- $2,414,153 Total (4) HELD-TO-MATURITY FINANCIAL ASSETS As of December 31, Credit-linked deposits and repackage bonds 2006 2005 $974,272 $977,856 - (977,856) $974,272 $- Less: Non-current portion Total (5) NOTES RECEIVABLE As of December 31, Notes receivable 2006 2005 $3,733 $193 (6) ACCOUNTS RECEIVABLE, NET As of December 31, Accounts receivable Less: Allowance for sales returns and discounts Less: Allowance for doubtful accounts Net 2006 2005 $6,550,304 $6,417,633 (287,319) (148,825) - (68,580) $6,262,985 $6,200,228 123 United Microelectronics Corporation | Annual Report 2006 (7) INVENTORIES, NET As of December 31, 2006 2005 $1,089,684 $266,949 Supplies and spare parts 1,733,527 1,708,187 Work in process 6,740,834 7,561,310 Finished goods 1,524,270 995,654 11,088,315 10,532,100 (968,794) (568,847) $10,119,521 $9,963,253 Raw materials Total Less: Allowance for loss on decline in market value and obsolescence Net Inventories were not pledged. (8) AVAILABLE-FOR-SALE FINANCIAL ASSETS, NONCURRENT As of December 31, Common stock 2006 2005 $41,218,780 $5,513,284 During the year ended December 31, 2006, the Company recognized a net gain of NT$1,665 million due to the changes in fair value as an adjustment to stockholders’ equity. (9) FINANCIAL ASSETS MEASURED AT COST, NONCURRENT As of December 31, 2006 2005 Common stock $1,458,246 $1,458,246 Preferred stock 385,080 300,000 Funds 442,000 507,221 $2,285,326 $2,265,467 Total 124 Financial Review Unconsolidated (10)LONG-TERM INVESTMENTS ACCOUNTED FOR UNDER THE EQUITY METHOD a. Details of long-term investments accounted for under the equity method are as follows: As of December 31, 2006 Investee Companies Listed companies UMC JAPAN HOLTEK SEMICONDUCTOR INC. ITE TECH. INC. FARADAY TECHNOLOGY CORP. (Note A) SILICON INTEGRATED SYSTEMS CORP. (Note A) NOVATEK MICROELECTRONICS CORP. (Note A) UNIMICRON TECHNOLOGY CORP. (UNIMICRON)(Note B) Subtotal Unlisted companies UMC GROUP (USA) UNITED MICROELECTRONICS (EUROPE) B.V. UMC CAPITAL CORP. UNITED MICROELECTRONICS CORP. (SAMOA) UMCI LTD. (Note C) TLC CAPITAL CO., LTD. FORTUNE VENTURE CAPITAL CORP. (Note D) UNITED MICRODISPLAY OPTRONICS CORP. (UMO) (Note E) PACIFIC VENTURE CAPITAL CO., LTD. MTIC HOLDINGS PTE LTD MEGA MISSION LIMITED PARTNERSHIP UNITECH CAPITAL INC. HSUN CHIEH INVESTMENT CO., LTD. (HSUN CHIEH)(Note F) HIGHLINK TECHNOLOGY CORP. (Notes G) XGI TECHNOLOGY INC. (Note G) AMIC TECHNOLOGY CORP. (Note G) TOPPAN PHOTOMASKS TAIWAN LTD. (formerly DUPONT PHOTOMASKS TAIWAN LTD.) THINTEK OPTRONICS CORP. (THINTEK) (Notes E) Subtotal Total Amount Percentage of Ownership or Voting Rights $5,949,999 878,747 341,268 - 50.09 24.45 21.80 - 7,170,014 2005 Amount Percentage of Ownership or Voting Rights $6,341,144 818,681 329,704 864,928 3,921,878 48.95 24.81 22.66 18.50 16.59 1,409,421 11.74 4,015,626 20.43 17,701,382 1,006,496 284,084 3,613,491 8,480 86 6,999,737 11,114,198 167,217 100.00 100.00 100.00 100.00 100.00 100.00 99.99 81.76 753,519 279,834 2,051,350 14,179 9,484 2,991,258 4,200,105 318,151 100.00 100.00 100.00 100.00 100.00 100.00 99.99 86.72 127,379 81,402 2,699,491 959,542 4,674,311 49.99 49.94 45.00 42.00 36.49 296,218 638,946 - 49.99 42.00 99.97 225,624 53,710 57,062 - 18.97 16.48 11.86 - 82,807 60,520 1,063,671 16.53 11.86 45.35 - - 20,136 14.26 32,072,310 $39,242,324 12,780,178 $30,481,560 125 United Microelectronics Corporation | Annual Report 2006 Note A: In the beginning of 2006 as the Company determined it did not have significant influence over the investee, and in accordance with ROC SFAS No. 34, the investee was classified as available-for-sale financial asset. Note B: As the Company did not have significant influence after decreasing its percentage of ownership in UNIMICRON in 2006, the investee was classified as available-for-sale financial asset. Note C: Based on the resolution of the board of directors’ meeting on August 26, 2004, UMCI has transferred its business, operations, and assets to the Branch effective April 1, 2005. Note D: As of December 31, 2006 and 2005, the cost of the investment was NT$11,286 million and NT$4,372 million, respectively. After deducting the Company’s stock held by the subsidiary (treated as treasury stock by the Company) of NT$172 million in both years, the residual book values totalled NT$11,114 million and NT$ 4,200 million as of December 31, 2006 and 2005, respectively. Note E: THINTEK was merged into UMO on October 1, 2006. The exchange ratio was 2.31 to 1. Note F: As of January 27, 2006, the Company sold 58.5 million shares of HSUN CHIEH. The Company’s ownership percentage decreased from 99.97% to 36.49%. As HSUN CHIEH ceased to be a subsidiary, the Company’s stock held by HSUN CHIEH was reclassified from treasury stock to long-term investments accounted for under the equity method. The reclassification increased long-term investments accounted for under the equity method and stockholders’ equity by NT$10,881 million. The ending balance as of December 31, 2005 of NT$(3,170) million recorded under other liabilities was computed by deducting the Company’s stock held by the investee (treated as treasury stock by the Company), amounting to NT$20,137 million from the cost of investment balance at period-end of NT$16,967 million. Note G: The equity method was applied for investees, in which the total ownership held by the Company and its subsidiaries is over 20%. b.Total gain and loss arising from investments accounted for under the equity method were NT$1,874 million and NT$2,677 million for the years ended December 31, 2006 and 2005, respectively. Among which, investment income amounted to NT$911 million and NT$821 million for the years ended December 31, 2006 and 2005, respectively, and the related long-term investment balances of NT$1,186 million and NT$5,898 million as of December 31, 2006 and 2005, respectively, were determined based on the investees’ financial statements audited by other auditors. c.Long-term equity investments were not pledged. 126 Financial Review Unconsolidated (11) PROPERTY, PLANT AND EQUIPMENT As of December 31, 2006 Land Buildings Machinery and equipment Transportation equipment Furniture and fixtures Cost Accumulated Depreciation Book Value $1,132,576 16,274,780 394,330,240 79,117 2,369,060 $(5,396,847) (286,527,429) (58,812) (1,783,505) $1,132,576 10,877,933 107,802,811 20,305 585,555 22,228,255 - 22,228,255 $436,414,028 $(293,766,593) $142,647,435 Construction in progress and prepayments Total As of December 31, 2005 Land Buildings Machinery and equipment Transportation equipment Furniture and fixtures Construction in progress and prepayments Total Cost Accumulated Depreciation Book Value $1,132,576 16,287,803 366,982,250 88,413 2,199,773 $(4,668,161) (246,233,155) (62,501) (1,510,187) $1,132,576 11,619,642 120,749,095 25,912 689,586 15,592,805 - 15,592,805 $402,283,620 $(252,474,004) $149,809,616 a. Total interest expense before capitalization amounted to NT$631 million and NT$1,133 million for the years ended December 31, 2006 and 2005, respectively. Details of capitalized interest are as follows: Machinery and equipment Other property, plant and equipment Total interest capitalized Interest rates applied For the year ended December 31, 2006 2005 $$210,689 4,397 $$215,086 - 2.86%~4.20% b. Property, plant, and equipment were not pledged. 127 United Microelectronics Corporation | Annual Report 2006 (12)OTHER ASSETS-OTHERS As of December 31, Leased assets Deposits-out Others Total 2006 $1,333,029 642,584 59,118 $2,034,731 2005 $1,366,695 579,710 59,118 $2,005,523 Please refer to Note 6 for deposits-out pledged as collateral. (13)IMPAIRMENT As of December 31, Available for sale financial assets, noncurrent Long-term investment accounted for under the equity method Technology know how Other assets Total 2006 $825,863 2005 $- 21,807 100,191 256,142 $1,103,812 60,000 $160,191 (14)FINANCIAL LIABILITIES AT FAIR VALUE THROUGH PROFIT OR LOSS, CURRENT As of December 31, Interest rate swaps Derivatives embedded in exchangeable bonds Total 2006 $626,230 359,037 $985,267 2005 $95,634 $95,634 During the year ended December 31, 2006, net gain arising from the changes in fair value of financial liabilities at fair value through profit or loss, current, was NT$312 million. (15)BONDS PAYABLE As of December 31, Unsecured domestic bonds payable Convertible bonds payable Exchangeable bonds payable Less: discounts on bonds payable Total Less: Current portion Net 128 2006 $20,250,000 12,441,268 3,122,060 (74,369) 35,738,959 (5,355,883) $30,383,076 2005 $30,500,000 12,540,432 3,218,623 46,259,055 (10,250,000) $36,009,055 Financial Review Unconsolidated a. On April 27, 2000, the Company issued five-year secured bonds amounting to NT$3,990 million. The interest was paid semi-annually with a stated interest rate of 5.6%. The bonds were repaid in installments every six months from April 27, 2002 to April 27, 2005. On April 27, 2005, the bonds were fully repaid. b. During the period from April 16 to April 27, 2001, the Company issued five-year and seven-year unsecured bonds totaling NT$15,000 million, each with a face value of NT$7,500 million. The interest is paid annually with stated interest rates of 5.1195% through 5.1850% and 5.2170% through 5.2850%, respectively. The five-year bonds and seven-year bonds are repaid starting from April 2004 to April 2006 and April 2006 to April 2008, respectively, both in three yearly installments at the rates of 30%, 30% and 40%. On April 27, 2006, the five-year bonds were fully repaid. c. During the period from October 2 to October 15, 2001, the Company issued three-year and five-year unsecured bonds totaling NT$10,000 million, each with a face value of NT$5,000 million. The interest was paid annually with stated interest rates of 3.3912% through 3.420% and 3.4896% through 3.520%, respectively. On October 15, 2006 and 2004, the five-year bonds and the three-year bonds were fully repaid, respectively. d. On May 10, 2002, the Company issued zero coupon exchangeable bonds listed on the EuroMTF Market of the Luxembourg Stock Exchange (LSE). The terms and conditions of the bonds are as follows: (a)Issue Amount: US$235 million (b)Period: May 10, 2002 ~ May 10, 2007 (c)Redemption i. The Company may redeem the bonds, in whole or in part, after three months of the issuance and prior to the maturity date, at their principal amount if the closing price of the AU Optronics Corp (AUO) common shares on the TSE, translated into US dollars at the prevailing exchange rate, for a period of 20 consecutive trading days, the last of which occurs not more than 10 days prior to the date upon which notice of such redemption is published, is at least 120% of the exchange price then in effect translated into US dollars at the rate of NT$34.645=US$ 1.00. ii. The Company may redeem the bonds, in whole, but not in part, if at least 90% in principal amount of the bonds has already been exchanged, redeemed or purchased and cancelled. 129 United Microelectronics Corporation | Annual Report 2006 iii.The Company may redeem all, but not part, of the bonds, at any time, in the event of certain changes in the ROC tax rules which would require the Company to gross up for payments of principal, or to gross up for payments of interest or premium. iv.The Company will, at the option of the bondholders, redeem such bonds on February 10, 2005 at its principal amount. (d)Terms of Exchange i.Underlying securities: ADSs or common shares of AUO. ii. Exchange Period: The bonds are exchangeable at any time on or after June 19, 2002 and prior to April 10, 2007, into AUO common shares or AUO ADSs; provided, however, that if the exercise date falls within 5 business days from the beginning of, and during, any closed period, the right of the exchanging holder of the bonds to vote with respect to the shares it receives will be subject to certain restrictions. iii.Exchange Price and Adjustment: The exchange price is NT$44.3 per share, determined on the basis of a fixed exchange rate of NT$34.645=US$1.00. The exchange price will be subject to adjustments upon the occurrence of certain events set out in the indenture. (e)Exchange of the Bonds As of December 31, 2006 and 2005, certain bondholders have exercised their rights to exchange their bonds with the total principal amount of US$139 million and US$137 million into AUO shares, respectively. Gains arising from the exercise of exchange rights during the year ended December 31, 2006 amounted NT$65 million and was recognized as gain on disposal of investment. No bonds were exchanged during the year ended December 31, 2005. e.During the period from May 21 to June 24, 2003, the Company issued five-year and seven-year unsecured bonds totaling NT$15,000 million, each with a face value of NT$7,500 million. The interest is paid annually with stated interest rates of 4.0% minus USD 12-Month LIBOR and 4.3% minus USD 12-Month LIBOR, respectively. Stated interest rates are reset annually based on the prevailing USD 12-Month LIBOR. The five-year bonds and seven-year bonds are repayable in 2008 and 2010, respectively, upon the maturity of the bonds. f.On October 5, 2005, the Company issued zero coupon convertible bonds on the LSE. The terms and conditions of the bonds are as follows: (a)Issue Amount: US$381.4 million 130 Financial Review Unconsolidated (b)Period: October 5, 2005 ~ February 15, 2008 (Maturity date) (c)Redemption: i. On or at any time after April 5, 2007, if the closing price of the ADSs listed on the NYSE has been at least 130% of either the conversion price or the last adjusted conversion price, for 20 out of 30 consecutive ADS trading days, the Company may redeem all, but not some only, of the bonds. ii. If at least 90% in principal amount of the bonds have already been redeemed, repurchased, cancelled or converted, the Company may redeem all, but not some only, of the bonds. iii. In the event that the Company’s ADSs or shares have officially ceased to be listed or admitted for trading on the New York Stock Exchange or the Taiwan Stock Exchange, as the case may be, each bondholder shall have the right, at such bondholder’s option, to require the Company to repurchase all, but not in part, of such bondholder’s bonds at their principal amount. iv. In the event of certain changes in taxation in the R.O.C. resulting in the Company becoming required to pay additional amounts, the Company may redeem all, but not part, of the bonds at their principal amount; bondholders may elect not to have their bonds redeemed by the Company in such event, in which case the bondholders shall not be entitled to receive payments of such additional amounts. v. If a change of control occurs with respect to the Company, each bondholder shall have the right at such bondholder’ soption, to require the Company to repurchase all, but not in part, of such bondholder’s bonds at their principal amount. vi. The Company will pay the principal amount of the bonds at its maturity date, February 15, 2008. (d) Conversion: i. Conversion Period: Except for the closed period, the bonds may be converted into the Company’s ADSs on or after November 4, 2005 and on or prior to February 5, 2008. ii. Conversion Price and Adjustment: The conversion price is US$3.693 per ADS. The applicable conversion price will be subject to adjustments upon the occurrence of certain events set out in the indenture. 131 United Microelectronics Corporation | Annual Report 2006 g.Repayments of the above-mentioned bonds in the future years are as follows: (assuming the convertible bonds and exchangeable bonds are both paid off upon maturity) Bonds repayable in 2007 2008 2009 2010 2011 Total Amount $5,372,060 22,941,268 7,500,000 $35,813,328 (16)PENSION FUND a. The Labor Pension Act of the R.O.C. (the Act), which adopts a defined contribution plan, became effective on July 1, 2005. Employees subject to the Labor Standards Law, a defined benefit plan, were allowed to choose to either elect the pension calculation under the Act or continue to be subject to the pension calculation under the Labor Standards Law. Those employees that elected to be subject to the Act will have their seniority achieved under the Labor Standards Law retained upon election of the Act, and the Company will make monthly contributions of no less than 6% of these employees’ monthly wages to the employees’ individual pension accounts. The Company has made monthly contributions based on each individual employee’s salary or wage to employees’ pension accounts beginning July 1, 2005, and totaled NT$367 million and NT$170 million as of December 31, 2006 and 2005, respectively. Pension benefits for employees of the Branch are provided in accordance with the local regulations, and the Company has contributed the amount of NT$86 million and NT$50 million as of December 31, 2006 and 2005, respectively. b. The defined benefit plan under the Labor Standards Law is disbursed based on the units of service years and the average salary in the last month of the service year. Two units per year are awarded for the first 15 years of services while one unit per year is awarded after the completion of the fifteenth year. The total units shall not exceed 45 units. In accordance to the plan, the Company contributes an amount equivalent to 2% of the employees’ total salaries and wages on a monthly basis to the pension fund deposited at the Central Trust of China in the name of an administered pension fund committee. The unrecognized net asset or obligation at transition based on actuarial valuation is amortized on a straight-line basis over 15 years. c. Change in benefit obligation during the year: Projected benefit obligation at beginning of year Service cost Interest cost Benefits paid Gain (loss) on projected benefit obligation Projected benefit obligation at end of year 132 For the year ended December 31, 2006 2005 $(4,142,309) $(3,790,299) (72,312) (302,509) (124,234) (132,660) 10,024 10,883 (126,122) 72,276 $(4,454,953) $(4,142,309) Financial Review Unconsolidated d. Change in pension assets during the year: Fair value of plan assets at beginning of year Actual return on plan assets Contributions from employer Benefits paid Fair value of plan assets at end of year For the year ended December 31, 2006 2005 $1,077,661 $959,325 28,140 14,632 107,626 114,587 (10,024) (10,883) $1,203,403 $1,077,661 e. The funding status of the pension plan is as follows: Benefit obligation Vested benefit obligation Non-vested benefit obligation Accumulated benefit obligation Effect from projected salary increase Projected benefit obligation Fair value of plan assets Funded status Unrecognized net transitional benefit obligation Unrecognized loss (gain) Accrued pension liabilities recognized on the balance sheet 2006 As of December 31, 2005 $(55,213) (1,853,757) (1,908,970) (2,545,983) (4,454,953) 1,203,403 (3,251,550) 112,670 52,106 $(3,086,774) $(39,069) (1,671,097) (1,710,166) (2,432,143) (4,142,309) 1,077,661 (3,064,648) 140,837 (79,967) $(3,003,778) f. The components of the net periodic pension cost are as follows: Service cost Interest cost Expected return on plan assets Amortization of unrecognized transitional net benefit obligation Net periodic pension cost For the year ended December 31, 2006 2005 $72,312 $302,509 124,234 132,660 (34,091) (35,482) 28,167 28,167 $190,622 $427,854 The actuarial assumptions underlying are as follows: For the year ended December 31, Discount rate Rate of salary increase Expected return on plan assets 2006 2.75% 4.50% 2.50% 2005 3.00% 4.50% 3.00% 133 United Microelectronics Corporation | Annual Report 2006 (17)CAPITAL STOCK a. The Company had 26,000 million common shares authorized to be issued, and 19,795 million common shares were issued as of December 31, 2005, each at a par value of NT$10. b. The Company had issued a total of 277 million ADSs which were traded on the NYSE as of December 31, 2005. The total number of common shares of the Company represented by all issued ADSs was 1,384 million shares as of December 31, 2005. One ADS represents five common shares. c. On April 26, 2005, the Company cancelled 49 million shares of treasury stock, which were bought back during the period from February 20 to April 19, 2002 for transfer to employees. d. As recommended by the board of directors, and approved by the shareholders on the meeting held on June 13, 2005, the Company issued 1,956 million new shares from capitalization of retained earnings that amounted to NT$19,560 million, of which NT$17,587 million was stock dividend and NT$1,973 million was employee bonus. The issuance process through the authority had been completed. e. Among the employee stock options issued by the Company on October 7, 2002 and January 3, 2003, 96 million shares were exercised during the year ended December 31, 2005. The issuance process through the authority had been completed. f. The Company had 26,000 million common shares authorized to be issued, and 19,131 million was issued as of December 31, 2006, each at a par value of NT$10. g. Among the employee stock options issued by the Company on October 7, 2002, January 3, 2003 and October 13, 2004, 109 million shares were exercised during the year ended December 31, 2006. The exercise of employee stock options of 47 million shares, 16 million shares and 46 million shares were issued on March 15, 2006, September 25, 2006, and December 27, 2006, respectively. The issuance process through the authority had been completed. h. On May 22, 2006 the Company cancelled 1,000 million shares of treasury stock, which were bought back during the period from February 16, 2006 to April 11, 2006 for retention of the Company’s creditability and stockholders’ interests. 134 Financial Review Unconsolidated i. As recommended by the board of directors, and approved by the shareholders on the meeting held on June 12, 2006, the Company issued 225 million new shares from capitalization of retained earnings and additional paid-in capital that amounted to NT$2,249 million, of which NT$895 million was stock dividend, NT$459 million was employee bonus, and NT$895 million was additional paid-in capital. The issuance process through the authority had been completed. j.The Company had issued a total of 315 million ADSs which were traded on the NYSE as of December 31, 2006. The total number of common shares of the Company represented by all issued ADSs was 1,576 million shares as of December 31, 2006. One ADS represents five common shares. (18)EMPLOYEE STOCK OPTIONS On September 11, 2002, October 8, 2003, September 30, 2004, and December 22, 2005, the Company was authorized by the Securities and Futures Bureau of the Financial Supervisory Commission, Executive Yuan, to issue employee stock options with a total number of 1 billion, 150 million, 150 million, and 350 million units, respectively. Each unit entitles an optionee to subscribe to 1 share of the Company’s common stock. Settlement upon the exercise of the options will be made through the issuance of new shares by the Company. The exercise price of the options was set at the closing price of the Company’s common stock on the date of grant. The contractual life is 6 years and an optionee may exercise the option in accordance with certain schedules as prescribed by the plan starting 2 years from the date of grant. Detailed information relevant to the employee stock options is disclosed as follows: Date of grant October 7, 2002 January 3, 2003 November 26, 2003 March 23, 2004 July 1, 2004 October 13, 2004 April 29, 2005 August 16, 2005 September 29, 2005 January 4, 2006 May 22, 2006 August 24, 2006 Total number of options granted (in thousands) Total number of options outstanding (in thousands) Exercise price (NTD) 939,000 61,000 57,330 33,330 56,590 20,200 23,460 54,350 51,990 39,290 42,058 28,140 543,834 44,571 45,443 22,110 44,460 12,905 17,790 42,610 46,675 30,690 37,040 25,830 $15.7 $17.7 $24.7 $22.9 $20.7 $17.8 $16.4 $21.6 $19.7 $17.7 $19.2 $18.4 a. A summary of the Company’s stock option plans, and related information for the years ended December 31, 2006 and 2005, are as follows: 135 United Microelectronics Corporation | Annual Report 2006 For the year ended December 31, 2005 2006 Option (in thousands) Weighted-average Exercise Price (NTD) Option (in thousands) Weighted-average Exercise Price (NTD) Outstanding at beginning of period 975,320 $17.3 973,858 $16.8 Granted Exercised Forfeited Outstanding at end of period 109,488 (109,093) (61,757) 913,958 $18.4 $15.7 $18.8 $17.5 129,800 (95,814) (32,524) 975,320 $19.9 $15.7 $18.5 $17.3 650,268 $16.6 528,373 $16.2 Exercisable at end of period Weighted-average fair value of options granted during the period (NTD) $5.7 $6.5 b. The information of the Company’s outstanding stock options as of December 31, 2006, is as follows: Outstanding Stock Options Authorization Date 2002.09.11 2003.10.08 2004.09.30 2005.12.22 Range of Option Exercise (in thousands) Price $15.7~$17.7 $20.7~$24.7 $16.4~$21.6 $17.7~$19.2 588,405 112,013 119,980 93,560 913,958 Weightedaverage Remaining Contractual Life (Years) Exercisable Stock Options WeightedOption average (in thousands) Exercise Price (NTD) 1.78 3.20 4.53 5.33 2.68 $15.9 $22.8 $19.7 $18.5 $17.5 577,608 67,095 5,565 650,268 Weightedaverage Exercise Price (NTD) $15.8 $23.1 $17.8 $16.6 c. The Company uses intrinsic value method to recognize compensation costs for its employee stock options issued since January 1, 2004. The compensation cost for the years ended December 31, 2006 and 2005 are nil because the Company grants options with the exercise price equal to the current market price. Pro forma information using the fair value method on net income and earnings per share is as follows: 136 Financial Review Unconsolidated For the year ended December 31, 2006 Basic earnings per share Diluted earnings per share $32,619,313 $32,653,291 $1.81 $1.75 $32,193,259 $32,227,237 $1.78 $1.73 Net Income Earnings per share (NTD) Pro forma net income Pro forma earnings per share (NTD) For the year ended December 31, 2005 (retroactively adjusted) Basic earnings per share Diluted earnings per share $7,026,692 $7,035,187 $0.38 $0.37 $6,782,033 $6,790,528 $0.36 $0.36 Net Income Earnings per share (NTD) Pro forma net income Pro forma earnings per share (NTD) The fair value of the options granted was estimated at the date of grant using the Black-Scholes options pricing model with the following weighted-average assumptions for the years ended December 31, 2006 and 2005: Expected dividend yields Volatility factors of the expected market price Risk-free interest rate 2006 1.37%~1.38% 2005 1.63%~1.64% 35.57%~41.14% 40.35%~43.39% 1.88%~2.28% 1.85%~2.24% 4~5 years 4~5 years Weighted-average expected life of the options (19)TREASURY STOCK a. The Company bought back its own shares from the open market during the years ended December 31, 2006 and 2005. Details of the treasury stock transactions are as follows: For the year ended December 31, 2006 (In thousands of shares) Purpose As of January 1, 2006 Increase Decrease As of December 31, 2006 For transfer to employees 442,067 400,000 - 842,067 For conversion of the convertible bonds into shares 500,000 - - 500,000 For retention of the Company’s creditability and stockholder’s interests - 1,000,000 1,000,000 - 942,067 1,400,000 1,000,000 1,342,067 Total shares 137 United Microelectronics Corporation | Annual Report 2006 For the year ended December 31, 2005 (In thousands of shares) Purpose For transfer to employees For conversion of the convertible bonds into shares Total shares As of January 1, 2005 Increase Decrease As of December 31, 2005 241,181 250,000 49,114 442,067 - 500,000 - 500,000 241,181 750,000 49,114 942,067 b. According to the Securities and Exchange Law of the R.O.C., total shares of treasury stock should not exceed 10% of the Company’s stock issued. Total purchase amount should not exceed the sum of the retained earnings, additional paid-in capital-premiums, and realized additional paid-in capital. As such, the maximum number of shares of treasury stock that the Company could hold as of December 31, 2006 and 2005, were 1,913 million shares and 1,979 million shares with the ceiling of the amounts were NT$ 94,970 million and NT$90,851 million, respectively. c. In compliance with Securities and Exchange Law of the R.O.C., treasury stock should not be pledged, nor should it be entitled voting rights or receive dividends. Stock held by subsidiaries is treated as treasury stock. These subsidiaries have the same rights as other stockholders except for subscription to new stock issuance. Starting June 22, 2005, stock held by subsidiaries no longer have voting rights according to the revised Companies Act. d. As of December 31, 2006, the Company’s subsidiary, FORTUNE VENTURE CAPITAL CORP., held 22 million shares of the Company’s stock, with a book value of NT$ 20.25 per share. The closing price on December 31, 2006 was NT$20.25. As of December 31, 2005, the Company’s subsidiaries, HSUN CHIEH INVESTMENT CO., LTD. and FORTUNE VENTURE CAPITAL CORP., held 600 million shares and 22 million shares, respectively, of the Company’s stock, with a book value of NT$18.98 and NT$7.87 per share, respectively. The average closing price of the Company’s stock during December 2005 was NT$18.98. (20)RETAINED EARNINGS AND DIVIDEND POLICIES According to the Company’s Articles of Incorporation, current year’s earnings, if any, shall be distributed in the following order: a. Payment of all taxes and dues; b. Offset prior years’ operation losses; c. Set aside 10% of the remaining amount after deducting items (a) and (b) as a legal reserve; d. Set aside 0.1% of the remaining amount after deducting items (a), (b), and (c) as directors’ and supervisors’ remuneration; and e. After deducting items (a), (b), and (c) above from the current year’s earnings, no less than 5% of the remaining amount together with the prior years’ unappropriated earnings is to be allocated as employees’ bonus, which will be settled 138 Financial Review Unconsolidated through issuance of new shares of the Company, or cash. Employees of the Company’s subsidiaries, meeting certain requirements determined by the board of directors, are also eligible for the employees’ bonus. f. The distribution of the remaining portion, if any, will be recommended by the board of directors and subject to shareholders’ approval. The Company has entered a stage of sustained growth; the policy for dividend distribution should reflect factors such as the current and future investment environment, fund requirements, domestic and international competition and capital budgets, as well as the benefit of shareholders, share bonus equilibrium, and long-term financial planning. The board of directors shall make the distribution proposal annually and present it at the shareholders’ meeting. The Company’s Articles of Incorporation further provide that no more than 80% of the dividends to shareholders, if any, may be paid in the form of stock dividends. Accordingly, at least 20% of the dividends must be paid in the form of cash. The appropriation of 2006 retained earnings has not yet been recommended by the board of directors as of the date of the Report of Independent Auditors. Information on the board of directors’ recommendations and shareholders’ approval can be obtained from the “Market Observation Post System” on the website of the TSE. Details of the 2005 employee bonus settlement and directors’ and supervisors’ remuneration are as follows: For the year ended December 31, 2005 As approved by the shareholders’ meeting 1. Settlement of employees’ bonus by issuance of new shares a. Number of shares (in thousands) b. Amount c. Percentage on total number of outstanding shares at year-end (%) 2. Settlement of employees’ bonus by cash 3. Remuneration paid to directors and supervisors 4. Effect on earnings per share before retroactive adjustments a. Basic and diluted earnings per share (NTD) b. Pro forma basic and diluted earnings per share taking into consideration employees’ bonus and directors’ and supervisors’ remuneration (NTD) As recommended by the board of directors Differences 45,846 $458,455 0.24 45,846 $458,455 0.24 - $305,636 $6,324 $305,636 $6,324 - $0.38/0.38 $0.34/0.34 $0.38/0.38 $0.34/0.34 - Pursuant to Article 41 of the Securities and Exchange Law of the R.O.C., a special reserve is set aside from the current net income and prior unappropriated earnings for items that are accounted for as deductions to stockholders’ equity such as unrealized loss on long-term investments and cumulative translation adjustments. However, there are the following exceptions for the Company’s investees’ unrealized loss on long-term investments arising from a merger that was recognized by the Company in proportion to the Company’s ownership percentage: 139 United Microelectronics Corporation | Annual Report 2006 a. According to the explanatory letter No. 101801 of the Securities and Futures Commission (SFC), if the Company recognizes the investees’ additional paid-in capital—excess from the merger in proportion to the ownership percentage, then the special reserve is exempted for the amount originated from the acquisition of the long-term investments. b. If the Company and its investees transfer a portion of the additional paid-in capital to increase capital, a special reserve equal to the amount of the transfer shall be provided according to the explanatory letter No.101801-1 of the SFC. c. In accordance with the explanatory letter No.170010 of the SFC applicable to listed companies, in the case where the market value of the Company’s stock held by its subsidiaries at year-end is lower than the book value, a special reserve shall be provided in the Company’s accounts in proportion to its ownership percentage. For the 2005 appropriations approved by the shareholders’ meeting on June 12, 2006, unrealized loss on long-term investments exempted from the provision of special reserve pursuant to the above regulations amounted to NT$18,208 million. (21)OPERATING COSTS AND EXPENSES The Company’s personnel, depreciation, and amortization expenses are summarized as follows: 2006 Personnel expenses Salaries Labor and health insurance Pension Other personnel expenses Depreciation Amortization For the year ended December 31, 2005 Operating costs Operating expenses Total Operating costs Operating expenses Total $8,159,508 437,527 $2,749,890 $10,909,398 123,780 561,307 $6,252,412 410,228 $2,180,082 113,429 $8,432,494 523,657 496,293 154,729 651,022 488,932 159,427 648,359 85,210 46,176 131,386 67,096 27,928 95,024 40,377,798 187,146 2,122,344 1,593,444 42,500,142 1,780,590 44,221,133 176,459 1,888,140 2,119,210 46,109,273 2,295,669 The numbers of employees as of December 31, 2006 and 2005 were 13,265 and 12,068, respectively. 140 Financial Review Unconsolidated (22) INCOME TAX a. Reconciliation between the income tax expense and the income tax calculated on pre-tax financial statement income based on the statutory tax rate is as follows: For the year ended December 31, 2006 2005 $9,366,541 $2,466,936 (7,280,874) (2,523,713) (1,255,913) 6,942,626 435,752 (6,885,849) 1,940,992 1,713 838 $3,208,211 $838 Income tax on pre-tax income at statutory tax rate Permanent differences Change in investment tax credit Change in valuation allowance Income Basic Tax Income tax on interest revenue separately taxed Income tax expense b. Significant components of deferred income tax assets and liabilities are as follows: As of December 31, 2005 Amount Tax effect Amount 2006 Tax effect $3,815,034 3,083,578 732,523 $14,864,958 953,758 770,895 183,131 $14,671,930 3,001,282 779,688 $13,609,045 3,667,982 750,321 194,922 Allowance for loss on obsolescence of inventories 685,023 171,256 252,855 63,214 Others 794,686 198,671 571,066 142,766 Deferred income tax assets Investment tax credit Loss carry-forward Pension Allowance on sales returns and discounts Total deferred income tax assets Valuation allowance Net deferred income tax assets Deferred income tax liabilities Unrealized exchange gain Depreciation Others Total deferred income tax liabilities Total net deferred income tax assets 17,142,669 (9,111,113) 8,031,556 (291,144) (5,005,315) (2,538,858) (72,786) (1,251,329) (634,714) (1,958,829) $6,072,727 18,428,250 (8,675,361) 9,752,889 (9,667,939) - (2,416,985) (2,416,985) $7,335,904 Deferred income tax assets - current Deferred income tax liabilities - current Valuation allowance Net $5,803,448 (278,284) (3,611,651) 1,913,513 $6,354,040 Deferred income tax assets - noncurrent Deferred income tax liabilities - noncurrent Valuation allowance 11,339,221 (1,680,545) (5,499,462) 4,159,214 $6,072,727 12,074,210 (2,416,985) (5,655,831) 4,001,394 $7,335,904 Net Total net deferred income tax assets (3,019,530) 3,334,510 141 United Microelectronics Corporation | Annual Report 2006 c. The Company’s income tax returns for all the fiscal years up to 2003 have been assessed and approved by the ROC Tax Authority. d. The Company was granted several four or five-year income tax exemption periods with respect to income derived from the expansion of operations. The starting date of the exemption period attributable to the expansions in 2002 had not yet been decided. The income tax exemption for other periods will expire on December 31, 2012. e. The Company earns investment tax credits for the amount invested in production equipment, research and development, and employee training. As of December 31, 2006, the Company’s unused investment tax credit was as follows: Expiration Year Investment tax credits earned 2006 2007 2008 2009 2010 Total $2,850,484 1,613,158 6,275,971 1,737,860 2,387,485 $14,864,958 Balance of unused investment tax credits $2,850,484 1,613,158 6,275,971 1,737,860 2,387,485 $14,864,958 f. Under the rules of the Income Tax Law of the ROC, net losses can be carried forward for 5 years. As of December 31, 2006, the unutilized accumulated losses were as follows: Expiration Year Accumulated loss Unutilized accumulated loss 2006 $10,856,896 $- 2007 3,773,826 3,773,826 2008 (Transferred in from merger with SiSMC) 2,283 2,283 2009 (Transferred in from merger with SiSMC) 38,925 38,925 $14,671,930 $3,815,034 Total g. The balance of the Company’s imputation credit accounts as of December 31, 2006 and 2005 were NT$95 million and NT$29 million, respectively. The expected creditable ratio for 2006 and the actual creditable ratio for 2005 was 0.54% and 0%, respectively. h. The Company’s earnings generated in the year ended December 31, 1997 and prior years have been fully appropriated. 142 Financial Review Unconsolidated (23)EARNINGS PER SHARE a. The Company’s capital structure is composed mainly of zero coupon convertible bonds and employee stock options. Therefore, in consideration of such complex structure, the calculated basic and diluted earnings per share for the years ended December 31, 2006 and 2005, are disclosed as follows: Amount Income before income tax For the year ended December 31, 2006 Earnings per share (NTD) Net income Shares expressed in thousands Income before income tax Net income 18,050,962 $2.05 $1.87 Earning per share-basic (NTD) Income from continuing operations Cumulative effect of changes in accounting principles $37,016,039 $33,807,828 (1,188,515) (1,188,515) (0.06) (0.06) Net income $35,827,524 $32,619,313 $1.99 $1.81 $$33,978 $$33,978 108,122 516,383 $37,050,017 $33,841,806 18,675,467 $1.98 $1.81 (1,188,515) (1,188,515) (0.06) (0.06) $35,861,502 $32,653,291 $1.92 $1.75 Effect of dilution Employee stock options Convertible bonds payable Earning per share-diluted: Income from continuing operations Cumulative effect of changes in accounting principles Net income For the year ended December 31, 2005 (retroactively adjusted) Amount Earnings per share (NTD) Earning per share-basic (NTD) Income from continuing operations Cumulative effect of changes in accounting principles Net income Effect of dilution Employee stock options Convertible bonds payable Earning per share-diluted: Income from continuing operations Cumulative effect of changes in accounting principles Net income Income before income tax Net income Shares expressed in thousands Income before income tax Net income $7,027,530 $7,026,692 18,647,462 $0.38 $0.38 - - - - $7,027,530 $7,026,692 $0.38 $0.38 $$8,495 $$8,495 161,651 124,498 $7,036,025 $7,035,187 18,933,611 $0.37 $0.37 - - - - $7,036,025 $7,035,187 $0.37 $0.37 143 United Microelectronics Corporation | Annual Report 2006 b. Pro forma information on earnings as if subsidiaries’ investment in the Company is not treated as treasury stock is set out as follows: (shares expressed in thousands) For the year ended December 31, 2006 Basic $32,686,223 Diluted $32,720,201 Beginning balance Increase in capital through 2006 retained earnings and additional paid-in capital at proportion of 1.3% 18,852,636 242,215 18,852,636 242,215 Purchase of 1,400,000 thousand shares of treasury stock in 2006 Net income Weighted-average of shares outstanding: (1,024,860) (1,024,860) Weighted-average shares of exercising employee stock options 48,029 48,029 Dilutive shares of employee stock options accounted for under treasury stock method Dilutive shares issued assuming conversion of bonds Ending balance Earnings per share Net income (NTD) - 108,122 18,118,020 516,383 18,742,525 $1.80 $1.75 For the year ended December 31, 2005 (retroactively adjusted) (shares expressed in thousands) Basic $7,026,692 Diluted $7,035,187 17,550,801 17,550,801 247,368 247,368 Increase in capital through 2005 retained earnings at proportion of 11.4% Purchase of 750,000 thousand shares of treasury stock in 2005 Weighted-average shares of exercising employee stock options 2,009,072 2,009,072 (349,945) 43,762 (349,945) 43,762 Dilutive shares of employee stock options accounted for under treasury stock method Dilutive shares issued assuming conversion of bonds Ending balance - 161,651 19,501,058 124,498 19,787,207 $0.36 $0.36 Net income Weighted-average of shares outstanding: Beginning balance Increase in capital through 2006 retained earnings at proportion of 1.3% Earnings per share Net income (NTD) 144 Financial Review Unconsolidated 5.RELATED PARTY TRANSACTIONS (1) Name and Relationship of Related Parties Name of related parties UMC GROUP (USA) (UMC-USA) UNITED MICROELECTRONICS (EUROPE) B.V. (UME BV) UMC CAPITAL CORP. UNITED MICROELECTRONICS CORP. (SAMOA) FORTUNE VENTURE CAPITAL CORP. (FORTUNE) HSUN CHIEH INVESTMENT CO., LTD. (HSUN CHIEH) UMCI LTD. (UMCI) UNITED MICRODISPLAY OPTRONICS CORP. UMC JAPAN HOLTEK SEMICONDUCTOR INC. (HOLTEK) UNITECH CAPITAL INC. ITE TECH. INC. AMIC TECHNOLOGY CORP. PACIFIC VENTURE CAPITAL CO., LTD. XGI TECHNOLOGY INC. TLC CAPITAL CO., LTD. HIGHLINK TECHNOLOGY CORP. MEGA MISSION LIMITED PARTNERSHIP MTIC HOLDINGS PTE. LTD. Relationship with the Company Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee TOPPAN PHOTOMASKS TAIWAN LTD. (formerly DUPONT PHOTOMASKS TAIWAN LTD.) (TOPPAN) (Disposed in March 2006) THINTEK OPTRONICS CORP. (merged into UMO since October 1, 2006) FARADAY TECHNOLOGY CORP. (No longer an equity investee since January 1, 2006) NOVATEK MICROELECTRONICS CORP. (No longer an equity investee since January 1, 2006) UNIMICRON TECHNOLOGY CORP. (No longer an equity investee since November, 2006) SILICON INTEGRATED SYSTEMS CORP. UNITRUTH INVESTMENT CORP. (UNITRUTH) UWAVE TECHNOLOGY CORP. (formerly UNITED RADIOTEK INC.) UCA TECHNOLOGY INC. AFA TECHNOLOGY, INC. STAR SEMICONDUCTOR CORP. USBEST TECHNOLOGY INC. SMEDIA TECHNOLOGY CORP. U-MEDIA COMMUNICATIONS, INC. CRYSTAL MEDIA INC. NEXPOWER TECHNOLOGY CORP. MOBILE DEVICES INC. ULI ELECTRONICS INC. (Disposed in February 2006) AEVOE INC. (Disposed in October 2006) CHIP ADVANCED TECHNOLOGY INC. (No longer an equity investee since October, 2006) DAVICOM SEMICONDUCTOR, INC. (No longer an equity investee since December, 2006) Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee The Company’s director Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee 145 United Microelectronics Corporation | Annual Report 2006 (2) Significant Related Party Transactions a. Operating revenues UMC-USA Others Total 2006 Percentage 52 15 67 Amount $54,476,329 15,074,471 $69,550,800 For the year ended December 31, 2005 Amount Percentage $43,226,036 48 21,676,804 23 $64,902,840 71 The sales price to the above related parties was determined through mutual agreement based on the market conditions. The collection period for overseas sales to related parties was net 60 days, while the terms for domestic sales were month-end 45~60 days. The collection period for third party overseas sales was net 30~60 days, while the terms for third party domestic sales were month-end 30~60 days. b. Purchases 2006 Percentage - Amount $- UMCI For the year ended December 31, 2005 Amount Percentage $1,244,347 5 The purchases from the above related parties were dealt with in the ordinary course of business similar to those from third-party suppliers. The payment terms for purchases were net 60 days for related parties and net 30~90 days for third-party suppliers. c. Notes receivable HOLTEK Others Total 2006 Percentage 92 1 93 Amount $49,924 724 $50,648 Amount $62,136 $62,136 As of December 31, 2005 Percentage 100 100 d. Accounts receivable UMC-USA Others Total Less: Allowance for sales returns and discounts Less: Allowance for doubtful accounts Net 146 Amount $5,118,532 1,438,412 6,556,944 2006 Percentage 39 11 50 As of December 31, 2005 Amount Percentage $4,559,933 35 2,297,194 17 52 6,857,127 (506,572) (663,397) (1,996) (96,387) $6,048,376 $6,097,343 Financial Review Unconsolidated e. Financing activities The Company did not conduct any financing activities with related parties during the year ended December 31, 2006. Other receivables-related parties For the year ended December 31, 2005 Maximum balance Amount Month UMCI $5,137,760 2005.03 Ending balance Interest rate Interest revenue $- 2.74%~3.05% $7,669 f. Significant asset transactions The Company did not undertake any significant asset transactions with related parties during the year ended December 31, 2006. FORTUNE FORTUNE HSUN CHIEH UNITRUTH Total For the year ended December 31, 2005 Item Amount $140,231 Purchase of APTOS CORP. (TAIWAN) stock Purchase of EPITECH TECHNOLOGY CORP. stock 185,840 Purchase of EPITECH TECHNOLOGY CORP. stock 97,658 16,495 Purchase of EPITECH TECHNOLOGY CORP. stock $440,224 g. Other transactions The Company was involved in several other transactions with related parties, including service charges, development expenses of intellectual property, and commission, totaling NT$16 million and NT$721 million for the years ended December 31, 2006 and 2005, respectively. The Company purchased approximately NT$104 million and NT$476 million of masks from TOPPAN during the years ended December 31, 2006 and 2005, respectively. 147 United Microelectronics Corporation | Annual Report 2006 6.ASSETS PLEDGED AS COLLATERAL As of December 31, 2006 Deposit-out (Time deposit) Amount Party to which asset(s) was pledged Purpose of pledge $620,846 Customs Customs duty guarantee Amount Party to which asset(s) was pledged Purpose of pledge $520,730 Customs Customs duty guarantee As of December 31, 2005 Deposit-out (Time deposit) 7.COMMITMENTS AND CONTINGENT LIABILITIES (1) The Company has entered into several patent license agreements and development contracts of intellectual property for a total contract amount of approximately NT$19.67 billion. Royalties and development fees for future years are NT$5.77 billion as of December 31,2006. (2) The Company signed several construction contracts for the expansion of its factory space. As of December 31, 2006, these construction contracts have amounted to approximately NT$3.82 billion and the unpaid portion of the contracts, which was not accrued, was approximately NT$1.9 billion. (3) OAK Technology, Inc. (OAK) and the Company entered into a settlement agreement on July 31, 1997 concerning a complaint filed with the United States International Trade Commission (ITC) by OAK against the Company and others, alleging unfair trade practices based on alleged patent infringement regarding certain CD-ROM controllers (the first OAK ITC case). On October 27, 1997, OAK filed a civil action in a California federal district court, alleging claims for breach of the settlement agreement and fraudulent misrepresentation. In connection with its breach of contract and other claims, OAK sought damages in excess of US$750 million. The Company denied the material allegations of the complaint, and asserted counterclaims against OAK for breach of contract, intentional interference with economic advantage and rescission and restitution based on fraudulent concealment and/or mistake. The Company also asserted declaratory judgment claims for invalidity and unenforceability of the relevant OAK patent. On February 9, 2006, the parties entered a settlement agreement in which the Company, OAK and Zoran (the successor to OAK) fully and finally released one another from any and all claims and liabilities arising out of the facts alleged in the district court case. The terms of settlement are confidential and, except for the obligation to keep the terms confidential, impose no obligation on the Company. 148 Financial Review Unconsolidated (4) The Company entered into several operating lease contracts for land. These renewable operating leases are set to expire in various years through to 2032. Future minimum lease payments under those leases are as follows: For the year ended December 31, 2007 2008 2009 2010 2011 2012 and thereafter Total Amount $179,049 176,165 176,321 176,696 177,085 1,606,543 $2,491,859 (5) The Company entered into several wafer-processing contracts with its principal customers. According to the contracts, the Company shall guarantee processing capacity after receipts of customers’ deposits. (6) The Company has entered into contracts for the purchase of materials and masks with certain vendors. These contracts oblige the Company to purchase specified amounts or quantities of materials and masks. Should the Company fail to fulfill the conditions set out in the contracts, the differences between the actual purchase and the required minimum will be reconciled between the Company and its vendors. (7) On February 15, 2005, the Hsinchu District Prosecutor’s Office conducted a search of the Company’s facilities. On February 18, 2005, the Company’s former Chairman Mr. Robert H.C. Tsao, released a public statement, explaining that its assistance to Hejian Technology Corp. (Hejian) did not involve any investment or technology transfer. Furthermore, from the very beginning there was a verbal indication that, at the proper time, the Company would be compensated appropriately for its assistance, and circumstances permitting, at some time in the future, it will push through the merger between two companies. However, no promise was made by the Company and no written agreement was made and executed. Upon the Company’s request to materialize the said verbal indication by compensating in the form of either cash or equity, the Chairman of the holding company of Hejian offered 15% of the approximately 700 million outstanding shares of the holding company of Hejian in return for the Company’s past assistance and for continued assistance in the future. Immediately after the Company had received such offer, it filed an application with the Investment Commission of the Ministry of Economic Affairs on March 18, 2005 (Ref. No. 94-Lian-Tung-Tzu-0222), for their executive guidance for the successful transfer of said shares to the Company. The shareholders meeting dated June 13, 2005 resolved that to the extent permitted by law the Company shall try to get the 15% of the outstanding shares offered by the holding company 149 United Microelectronics Corporation | Annual Report 2006 of Hejian as an asset of the Company. The holding company of Hejian offered 106 million shares of its outstanding common shares in return for the Company’s assistance. The holding company of Hejian has put all such shares in escrow. The Company was informed of such escrow on August 4, 2006. The subscription price per share of the holding company of Hejian in the last offering was US$1.1. Therefore, the total market value of the said shares is worth more than US$110 million. However, the Company may not acquire the ownership of nor exercise the rights of the said shares with any potential stock dividend or cash dividend distributed in the future until the ROC laws and regulations allow the Company to acquire and exercise. In the event that any stock dividend or cash dividend is distributed, the Company’s stake in the holding company of Hejian will accumulate accordingly. In April 2005, the Company’s former Chairman Mr. Robert H.C. Tsao was personally fined with in the aggregate amount of NT$3 million by the Financial Supervisory Commission, Executive Yuan, R.O.C. (ROC FSC) for failure to disclose material information relating to Hejian in accordance with applicable rules. As a result of the imposition of the fines by the ROC FSC, the Company was also fined in the amount of NT$30,000 by Taiwan Stock Exchange (TSE) for the alleged non-compliance with the disclosure rules in relation to the material information. The Company and its former Chairman Mr. Robert H.C. Tsao have filed for administrative appeal and reconsideration with the Executive Yuan, R.O.C. and TSE, respectively. Mr. Robert H.C. Tsao’s administrative appeal was dismissed by the Execution Yuan, R.O.C. on February 21, 2006 and the ROC FSC transferred the case against Mr. Robert H.C. Tsao to the Administrative Enforcement Agency for enforcement of the fine. Mr. Robert H.C. Tsao has filed an administrative action against the ROC FSC with Taipei High Administrative Court on April 14, 2006. As of December 31, 2006, the result of such reconsideration and administrative action has not been finalized. For the Company’s assistance to Hejian Technology Corp., the Company’s former Chairman Mr. Robert H.C. Tsao, former Vice Chairman Mr. John Hsuan, and Mr. Duen-Chian Cheng, the General Manager of Fortune Venture Capital Corp., which is 99.99% owned by the Company, were indicted for violating the Business Accounting Law and breach of trust under the Criminal Law by Hsinchu District Court’s Prosecutor’s Office on January 9, 2006. Mr. Robert H.C. Tsao and Mr. John Hsuan had officially resigned from their positions of the Company’s Chairman, Vice Chairman and directors prior to the announcement of the prosecution; for this reason, at the time of the prosecution, Mr. Robert H.C. Tsao and Mr. John Hsuan no longer served as the Company’s directors and had not executed their duties as the Company’s Chairman and Vice Chairman. In the future, if a guilty judgment is pronounced by the court, such consequences would be Mr. Robert H.C. Tsao, Mr. John Hsuan and Mr. Duen-Chian Cheng’s personal concerns only; the Company would not be subject to indictment regarding this case. On February 15, 2006, the Company was fined in the amount of NT$5 million for unauthorized investment activities in Mainland China, implicating violation of Article 35 of the Act “Governing Relations Between Peoples of the Taiwan Area and the Mainland Area” by the R.O.C. Ministry of Economic Affairs (MOEA). However, as the Company believes it was illegally and improperly fined, the Company had filed an administrative appeal against MOEA to the Executive 150 Financial Review Unconsolidated Yuan on March 16, 2006. The Company’s administrative appeal was dismissed by the Executive Yuan, R.O.C. on October 19, 2006. The Company filed an administrative action against the R.O.C. Ministry of Economic Affairs to Taipei High Administrative Court on December 8, 2006. As of December 31, 2006, the result of such administrative action has not been finalized. 8. SIGNIFICANT DISASTER LOSS None. 9. SIGNIFICANT SUBSEQUENT EVENT The company has entered a stage of sustained growth. The Company determined that cash flows generated from UMC’s future operations will be sufficient for the research and development of advanced process technologies and the continued expansion of advanced manufacturing capacity, including the second 300mm fab in Taiwan’s Tainan Science Park. In order to avoid future cash levels becoming excessive and to better respond to the expectations of today’s capital markets, the Company has resolved to carry out a capital reduction of NT$ 57,394 million with the cancellation of 5,739 million of its outstanding shares, following a resolution passed at a meeting of the Board of Directors on January 23, 2007. The board of directors will decide the date of the capital reduction after the approval at the stockholders’ meeting and the authorization of the government. The exact exchange ratio for shares and the amount of the capital reduction is to be set on the record date for capital reduction. 10. OTHERS (1)Certain comparative amounts have been reclassified to conform to the current year’s presentation. (2)Financial risk management objectives and policies The Company’s principal financial instruments, other than derivatives, is comprised of cash and cash equivalents, common stock, preferred stock, convertible bonds, open-end funds, bank loans, and bonds payable. The main purpose of these financial instruments is to manage financing for the Company’s operations. The Company also holds various other financial assets and liabilities such as accounts receivable and accounts payables, which arise directly from its operations. The Company also enters into derivative transactions, including credit-link deposits, interest rate swaps and forward currency contracts. The purpose of these derivative transactions is to mitigate interest rate risk and foreign currency exchange risk arising from the Company’s operations and financing activities. As of December 31, 2006 and 2005, none of the Company’s derivative transactions qualified for hedge accounting. The main risks arising from the Company’s financial instruments include cash flow interest rate risk, foreign currency risk, commodity price risk, credit risk, and liquidity risk. 151 United Microelectronics Corporation | Annual Report 2006 Cash flow interest rate risk The Company utilizes interest rate swap agreements to mitigate its cash flow interest rate risk on its counter-floating rate of unsecured domestic bonds issued during the period from May 21 to June 24, 2003. The periods of the interest rate swap agreements are the same as those of the domestic bonds, which are five and seven years. The floating rate is reset annually. Foreign currency risk The Company has foreign currency risk arising from purchases or sales. The Company utilizes spot or forward contracts to mitigate foreign currency risk. The Company buys or sells the same amount of foreign currency with hedged items through forward contracts. In principal, the Company does not carry out any forward contracts for uncertain commitments. Commodity price risk The Company’s exposure to commodity price risk is minimal. Credit risk The Company trades only with established and creditworthy third parties. It is the Company’s policy that all customers who wish to trade on credit terms are subject to credit verification procedures. In addition, receivable balances are monitored on an ongoing basis, which consequently minimizes the Company’s exposure to bad debts. With respect to credit risk arising from the other financial assets of the Company, which are comprised of cash and cash equivalents, available-for-sale financial assets and certain derivative instruments, the Company’s exposure to credit risk arising from the default of counter-parties is limited to the carrying amount of these instruments. Although the Company trades only with established third parties, it will request collateral to be provided by third parties with less favorable financial positions. Liquidity risk The Company’s objective is to maintain a balance of funding continuity and flexibility through the use of financial instruments such as cash and cash equivalents, bank loans and bonds. 152 Financial Review Unconsolidated (3) Information of financial instruments a. Fair value of financial instruments As of December 31, 2005 Book Value Fair Value Book Value 2006 Fair Value $83,394,802 8,538,007 $83,394,802 8,538,007 $96,596,623 2,468,968 $96,596,623 2,438,668 Available-for-sale financial assets, current - - 2,414,153 2,900,084 Held-to-maturity financial assets, current 974,272 974,272 - - Notes and accounts receivable 12,851,984 12,851,984 13,068,452 13,068,452 Available-for-sale financial assets, noncurrent 41,218,780 41,218,780 5,513,284 26,748,545 Held-to-maturity financial assets, noncurrent - - 977,856 977,856 2,285,326 - 2,265,467 - 39,242,324 40,209,680 30,481,560 53,544,605 642,584 642,584 579,710 579,710 $22,384,219 898,265 $22,384,219 898,265 $17,035,687 657,600 $17,035,687 657,600 35,738,959 36,739,231 46,259,055 47,028,153 $626,230 359,037 $626,230 359,037 $95,634 - $730,191 - Financial Assets Non-derivative Cash and cash equivalents Financial assets at fair value through profit or loss, current Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Deposits-out Financial Liabilities Non-derivative Payables Capacity deposits (current portion) Bonds payable (current portion included) Derivative Interest rate swaps Derivatives embedded in exchangeable bonds 153 United Microelectronics Corporation | Annual Report 2006 b. The methods and assumptions used to measure the fair value of financial instruments are as follows: i. The book value of short-term financial instruments approximates their fair value due to their short maturities. Short-term financial instruments include cash and cash equivalents, notes receivable, accounts receivable, short-term loans, current portion of capacity deposits, and payables. ii. The fair value of financial assets at fair value through profit or loss and available-for-sale financial assets is based on the quoted market price. iii.The fair value of held-to-maturity financial assets is based on the quoted market prices. If market prices are unavailable, the Company estimates the fair value based on the book value as the held-to-maturity financial assets consist principally of credit-linked deposits agreements with maturity dates less than one year, as well as bonds that can be easily liquidated in the secondary market. iv.The fair value of financial assets measured at cost is unable to estimate since those unlisted investments are not traded in the open market. v. The fair value of deposits-out is based on their book value since the deposit periods are principally within one year and renewed upon maturity. vi.The fair value of bonds payable is determined by the market price. vii.The fair value of derivative financial instruments is based on the amount the Company expects to receive (positive) or to pay (negative) assuming that the contracts are settled in advance at the balance sheet date. c. The fair value of the Company’s financial instruments is determined by the quoted prices in active markets, or if the market for a financial instrument is not active, the Company establishes fair value by using a valuation technique: Active Market Quotation Non-derivative Financial Instruments Financial assets Financial assets at fair value through profit or loss, current 154 Valuation Technique 2006.12.31 2005.12.31 2006.12.31 2005.12.31 $8,538,007 $2,438,668 $- $- Available-for-sale financial asset, current - 2,900,084 - - Available-for-sale financial assets, noncurrent 41,218,780 26,748,545 - - Financial Review Unconsolidated Active Market Quotation Non-derivative Financial Instruments Long-term investments accounted for under the equity method Financial liabilities Bonds payable (current portion included) Valuation Technique 2006.12.31 2005.12.31 2006.12.31 2005.12.31 $40,209,680 $53,544,605 $- $- 36,739,231 47,028,153 - - $- $- $626,230 $730,191 - - 359,037 - Derivative Financial Instruments Financial liabilities Interest rate swaps Derivatives embedded in exchangeable bonds d. The Company recognized a gain in NT$312 million arising from the changes in fair value of financial liabilities at fair value through profit or loss for the year ended December 31, 2006. e. The Company’s financial liability with cash flow interest rate risk exposure as of December 31, 2006 amounted to NT$626 million. f. During the year ended December 31, 2006, total interest revenue and interest expense for financial assets or liabilities that are not at fair value through profit or loss were NT$1,453 million and NT$631 million, respectively, while interest revenue and expense for the year period ended December 31, 2005 amounted to NT$946 million and NT$918 million, respectively. (4) The Company and its subsidiary, UMC JAPAN, held credit-linked deposits and repackage bonds recognized as held to maturity financial assets for the earning of interest income. The details are disclosed as follows: a. Principal amount in original currency As of December 31, 2006 The Company Credit-linked deposits and repackage bonds referenced to Amount Due Date SILICONWARE PRECISION INDUSTRIES CO., LTD. European Convertible Bonds and Loans NTD 400 million 2007.02.05 SILICONWARE PRECISION INDUSTRIES CO., LTD. European Convertible Bonds and Loans NTD 200 million 2007.02.05 UMC JAPAN European Convertible Bonds ADVANCED SEMICONDUCTOR ENGINEERING INC. European Convertible Bonds and Loans JPY NTD 640 million 200 million 2007.03.28 2007.09.25 155 United Microelectronics Corporation | Annual Report 2006 UMC JAPAN Credit-linked deposits and repackage bonds referenced to UMC JAPAN European Convertible Bonds JPY Amount Due Date 500 million 2007.03.29 As of December 31, 2005 The Company Credit-linked deposits and repackage bonds referenced to Amount Due Date SILICONWARE PRECISION INDUSTRIES CO., LTD. European Convertible Bonds and Loans NTD 400 million 2007.02.05 SILICONWARE PRECISION INDUSTRIES CO., LTD. European Convertible Bonds and Loans UMC JAPAN European Convertible Bonds NTD 200 million 2007.02.05 JPY 640 million 2007.03.28 ADVANCED SEMICONDUCTOR ENGINEERING INC. European Convertible Bonds and Loans NTD 200 million 2007.09.25 JPY Amount 500 million Due Date 2007.03.29 UMC JAPAN Credit-linked deposits and repackage bonds referenced to UMC JAPAN European Convertible Bonds b. Credit risk The counterparties of the above investments are major international financial institutions. The repayment in full of these investments is subject to the non-occurrence of one or more credit events, which are referenced to the entities’ fulfillment of their own obligations as well as repayment of their corporate bonds. Upon the occurrence of one or more of such credit events, the Company and its subsidiary, UMC JAPAN, may receive less than the full amount of these investments or nothing. The Company and its subsidiary, UMC JAPAN, have selected reference entities with high credit ratings to minimize the credit risk. c. Liquidity risk Early withdrawal is not allowed for the above investments unless called by the issuer. However, the anticipated liquidity risk is low since most of the investments will either have matured within one year, or are relatively liquid in the secondary market. d. Market risk There is no market risk for the above investments except for the fluctuations in the exchange rates of US Dollars and Japanese Yen to NT Dollars at the balance sheet date and the settlement date. 156 Financial Review Unconsolidated (5) The Company and its subsidiary, UMC JAPAN, entered into interest rate swap and forward contracts for hedging the interest rate risk arising from the counter-floating rate of domestic bonds and for hedging the exchange rate risk arising from the net assets or liabilities denominated in foreign currency. The hedging strategy was developed with the objective to reduce the market risk for non-trading purpose. The relevant information on the derivative financial instruments entered into by the Company is as follows: a. The Company utilized interest rate swap agreements to hedge its interest rate risk on its counter-floating rate of unsecured domestic bonds issued during the period from May 21 to June 24, 2003. The periods of the interest rate swap agreements are the same as those of the domestic bonds, which are five and seven years. The floating rate is reset annually. The details of interest rate swap agreements are summarized as follows: As of December 31, 2006 and 2005, the Company had the following interest rate swap agreements in effect: Notional Amount Contract Period Interest Rate Received Interest Rate Paid NT$7,500 million May 21, 2003 to June 24, 2008 4.0% minus USD 12-Month LIBOR 1.52% NT$7,500 million May 21, 2003 to June 24, 2010 4.3% minus USD 12-Month LIBOR 1.48% b. Transaction risk (a)Credit risk There is no significant credit risk exposure with respect to the above transactions as the counter-parties are reputable financial institutions with good global standing. (b)Liquidity and cash flow risk The cash flow requirements on the interest rate swap agreements are limited to the net interest payables or receivables arising from the differences in the swap rates. The cash flow requirements on forward contracts are limited to the net difference between the forward and spot rates at the settlement date. Therefore, no significant cash flow risk is anticipated since the working capital is sufficient to meet the cash flow requirements. (c)Market risk Interest rate swap agreements and forward contracts are intended for hedging purposes. Gains or losses arising from the fluctuations in interest rates and exchange rates are likely to be offset against the gains or losses from the hedged items. As a result, no significant exposure to market risk is anticipated. 157 United Microelectronics Corporation | Annual Report 2006 c. The presentation of derivative financial instruments on financial statements The Company As of December 31, 2006 and 2005, the interest rate swap agreements were classified as current liabilities amounting to NT$626 million and NT$96 million, respectively. The exchange loss arising from forward contracts was NT$415 million for the year ended December 31, 2005 and recorded in non-operating expenses in the accompanying statement of income. UMC JAPAN The exchange (loss) gain arising from forward contracts was JPY$(7.5) million and JPY$25.4 million and recorded in non-operating (expense) revenue in the accompanying statements of income for the years ended December 31, 2006 and 2005, respectively. 11. ADDITIONAL DISCLOSURES (1)The following are additional disclosures for the Company and its affiliates as required by the ROC Securities and Futures Bureau: a. Financing provided to others for the year ended December 31, 2006: Please refer to Attachment 1. b. Endorsement/Guarantee provided to others for the year ended December 31, 2006: Please refer to Attachment 2. c. Securities held as of December 31, 2006: Please refer to Attachment 3. d. Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of the capital stock for the year ended December 31, 2006: Please refer to Attachment 4. e. Acquisition of individual real estate with amount exceeding the lower of NT$100 million or 20 percent of the capital stock for the year ended December 31, 2006: Please refer to Attachment 5. f. Disposal of individual real estate with amount exceeding the lower of NT$100 million or 20 percent of the capital stock for the year ended December 31, 2006: Please refer to Attachment 6. g. Related party transactions for purchases and sales amounts exceeding the lower of NT$100 million or 20 percent of the capital stock for the year ended December 31, 2006: Please refer to Attachment 7. h. Receivables from related parties with amounts exceeding the lower of NT$100 million or 20 percent of the capital stock as of December 31, 2006: Please refer to Attachment 8. 158 Financial Review Unconsolidated i.Names, locations and related information of investees as of December 31, 2006: Please refer to Attachment 9. j.Financial instruments and derivative transactions: Please refer to Note 10. (2) Investment in Mainland China None. 12. SEGMENT INFORMATION (1)Operations in different industries The Company operates principally in one industry, and the major business is operating as a full service semiconductor foundry. (2)Operations in different geographic areas The Company has no foreign operations. (3)Export sales For the year ended December 31, 2006 2005 $54,538,785 $43,765,379 8,550,154 6,740,391 7,748,732 5,695,477 $70,837,671 $56,201,247 Area North America Europe Asia, excluding Taiwan Total export sales (4)Major customers Individual customers accounting for at least 10% of net sales for the years ended December 31, 2006 and 2005 are as follows: Customers Customer A Sales amount $54,476,329 2006 Percentage 52 For the year ended December 31, 2005 Sales amount Percentage $43,226,036 48 159 160 Counter-party UMC GROUP (USA) Former Employees Receivable from employees Lender $- Note 2 : Need for short-term financing. ޓޓޓ2. The subsidiaries are coded consecutively beginning from "1" in the order presented in the table above. ޓޓޓ1. The Company is coded "0". USD 691 Financial statement Maximum balance for Ending balance account the period Note 1: The Company and its subsidiaries are coded as follows: 1 No. (Note 1) (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 1 (Financing provided to others for the year ended December 31, 2006) 7% Interest rate Note 2 Nature of financing $- Amount of sales to (purchases from) counter-party Employee loan Reason for financing $- Allowance for doubtful accounts - Item - Value Collateral N/A Limit of financing amount for individual counter-party N/A Limit of total financing amount United Microelectronics Corporation | Annual Report 2006 UMC 0 UMC JAPAN Receiving party 2 Relationship (Note 2) $7,501,548 JPY 10,400,000 Limit of guarantee/endorsement amount for receiving Maximum balance for the period party (Note 3) $- Ending balance Note 1: The Company and its subsidiaries are coded as follows: ޓ ޓޓ1. The Company is coded "0". ޓ ޓޓ2. The subsidiaries are coded consecutively beginning from "1" in the order presented in the table above. Note 2: According to the "Guidelines Governing the Preparation of Financial Reports by Securities Issuers" issued by the R.O.C. Securities and Futures Bureau, receiving parties should be disclosed as one of the following: 1. An investee company that has a business relationship with UMC. 2. A subsidary in which UMC holds directly over 50% of equity interest. 3. An investee in which UMC and its subsidaries hold over 50% of equity interest. 4. An investee in which UMC holds directly and indirectly over 50% of equity interest. 5. An investee that has provided guarantees to UMC, and vice versa, due to contractual requirements. 6. An investee in which UMC conjunctly invests with other shareholders, and for which UMC has provided endorsement/guarantee in proportion to its shareholding percentage. Note 3: Limit of guarantee/endorsement amount for receiving party shall not exceed the lower of receiving party's capital stock or 10% of UMC's capital stock. Note 4: Limit of total guarantee/endorsement amount equals 40% of UMC's capital stock as of December 31, 2006. Endorsor/Guarantor No. (Note 1) (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 2 (Endorsement/Guarantee provided to others for the year ended December 31, 2006) $- - Percentage of accumulated guarantee amount to net Amount of collateral assets value from the latest guarantee/endorsement financial statement $76,524,771 Limit of total guarantee/endorsement amount (Note 4) Financial Review Unconsolidated 161 162 UNITED MICROELECTRONICS (EUROPE) B.V. UMC CAPITAL CORP. Stock Stock Stock Stock Stock UNITED MICROELECTRONICS CORP. (SAMOA) UMCI LTD. UMC GROUP (USA) Stock Stock CHINA DEVELOPMENT FINANCIAL HOLDING CORP. SILICONWARE PRECISION INDUSTRIES CO., LTD. YANG MING MARINE TRANSPORT CORP. Stock Stock MICRONAS SEMICONDUCTOR HOLDING AG ACTION ELECTRONICS CO., LTD. Stock CHANG WAH ELECTRONMATERIALS INC. Convertible bonds L&K ENGINEERING CO., LTD. TATUNG CO. Convertible bonds Stock FIRICH ENTERPRISES CO., LTD Convertible bonds PROMOS TECHNOLOGIES INC. TOPOINT TECHNOLOGY CO., LTD. Convertible bonds Stock EDOM TECHNOLOGY CO., LTD. Convertible bonds Name of securities QUANTA STORAGE INC. Convertible bonds Type of securities UNITED MICROELECTRONICS CORPORATION (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) Investee company Investee company Investee company Investee company Investee company - - - - - - - - - - - - - Relationship Financial statement account Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method 880,006 280 124,000 9 16,438 3,254 5,395 23,538 16,270 280 1,683 477,374 500 402 340 380 60 1,000 Units (thousand)/ bonds/ shares (thousand) 86 8,480 3,613,491 284,084 1,006,496 61,178 276,202 353,072 329,464 198,191 97,456 6,778,711 54,250 52,863 54,740 53,485 193,910 $34,485 Book value 100.00 100.00 100.00 100.00 100.00 0.14 0.19 0.21 0.44 0.86 0.99 7.77 - - - - - - Percentage of ownership (%) December 31, 2006 86 8,480 3,613,491 276,469 1,006,496 61,178 276,202 353,072 329,464 198,191 97,456 6,778,711 54,250 52,863 54,740 53,485 193,910 $34,485 Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 FORTUNE VENTURE CAPITAL CORP. UNITED MICRODISPLAY OPTRONICS CORP. UMC JAPAN PACIFIC VENTURE CAPITAL CO., LTD. MTIC HOLDINGS PTE LTD. UNITECH CAPITAL INC. HSUN CHIEH INVESTMENT CO., LTD. HOLTEK SEMICONDUCTOR INC. ITE TECH. INC. HIGHLINK TECHNOLOGY CORP. XGI TECHNOLOGY INC. AMIC TECHNOLOGY CORP. MEGA MISSION LIMITED PARTNERSHIP UNIMICRON TECHNOLOGY CORP. PIXTECH, INC. FARADAY TECHNOLOGY CORP. UNITED FU SHEN CHEN TECHNOLOGY CORP. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Fund Stock Stock Stock Stock Name of securities TLC CAPITAL CO., LTD. Stock Type of securities UNITED MICROELECTRONICS CORPORATION (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) Relationship - - - - Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Financial statement account Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent 18,460 55,611 9,883 202,367 - 16,200 8,758 28,500 24,229 51,939 33,624 21,000 4,000 30,000 496 64,313 499,994 600,000 Units (thousand)/ bonds/ shares (thousand) 128,667 4,382,181 321 9,096,376 2,699,491 57,062 53,710 225,624 341,268 878,747 4,674,311 959,542 81,402 127,379 5,949,999 167,217 11,114,198 $6,999,737 Book value 16.60 17.27 17.63 19.89 45.00 11.86 16.48 18.97 21.80 24.45 36.49 42.00 49.94 49.99 50.09 81.76 99.99 100.00 Percentage of ownership (%) December 31, 2006 128,667 4,382,181 321 9,096,376 2,699,491 82,750 53,710 225,624 896,486 3,282,569 4,532,186 959,542 81,402 131,879 3,480,760 167,217 11,711,305 $6,999,737 Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Unconsolidated 163 164 NOVATEK MICROELECTRONICS CORP. EPITECH TECHNOLOGY CORP. SPRINGSOFT, INC. C-COM CORP. CHIPBOND TECHNOLOGY CORP. KING YUAN ELECTRONICS CO., LTD. BILLIONTON SYSTEMS INC. MEDIATEK INC. AU OPTRONICS CORP. MEGA FINANCIAL HOLDING COMPANY RECHI PRECISION CO., LTD. HON HAI PRECISION INDUSTRY CO., LTD. SINO-AEROSPACE INVESTMENT CORP. UNITED INDUSTRIAL GASES CO., LTD. INDUSTRIAL BANK OF TAIWAN CORP. SUBTRON TECHNOLOGY CO., LTD. TECO NANOTECH CO. LTD. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Name of securities SILICON INTEGRATED SYSTEMS CORP. Stock Type of securities UNITED MICROELECTRONICS CORPORATION Relationship - - - - - - - - - - - - - - - - - The Company's director ATTACHMENT 3 (Securities held as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) Financial statement account Financial assets measured at cost, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 11,001 11,520 118,303 13,185 28,500 1,057 1,753 95,577 78,266 14,979 2,048 35,008 12,330 3,083 9,467 37,221 60,073 228,956 Units (thousand)/ bonds/ shares (thousand) - 172,800 1,139,196 146,250 - 245,705 31,116 2,289,065 3,545,441 5,048,091 24,676 952,216 359,412 22,197 520,658 1,155,725 8,860,711 $4,556,222 Book value 4.56 4.79 4.95 7.80 11.11 0.02 0.51 0.86 1.03 1.55 2.63 3.21 4.15 4.40 4.78 10.06 11.54 16.09 Percentage of ownership (%) December 31, 2006 Note Note Note Note Note 245,705 31,116 2,289,065 3,545,441 5,048,091 24,676 952,216 359,412 22,197 520,658 1,155,725 8,860,711 $4,556,222 Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 MTIC HOLDINGS PTE LTD. Stock-Preferred stock STAR SEMICONDUCTOR CORP. AEVOE INTERNATIONAL LTD. Stock Stock-Preferred stock Stock CRYSTAL MEDIA INC. TERA XTAL TECHNOLOGY CORP. NEXPOWER TECHNOLOGY CORP. Stock Stock UCA TECHNOLOGY INC. Stock WALTOP INTERNATIONAL CORP. UWAVE TECHNOLOGY CORP. Stock Stock ANOTO TAIWAN CORP. Stock Name of securities UNITRUTH INVESTMENT CORP. Stock Type of securities FORTUNE VENTURE CAPITAL CORP. TAIWAN HIGH SPEED RAIL CORP. Stock-Preferred stock PACIFIC UNITED TECHNOLOGY, L.P. Fund Name of securities PACIFIC TECHNOLOGY PARTNERS, L.P. Fund Type of securities UNITED MICROELECTRONICS CORPORATION (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Relationship - - - - Relationship Financial statement account Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent - - 4,493 5,200 6,000 2,500 10,212 800 11,285 10,187 3,920 80,000 Units (thousand)/ bonds/ shares (thousand) 4,000 30,000 Units (thousand)/ bonds/ shares (thousand) 37,429 88,134 88,093 12,610 17,224 11,976 42,288 33,531 32,622 $743,210 Book value - - - - 25.15 26.00 30.00 35.80 36.54 40.00 42.38 44.29 49.00 100.00 Percentage of ownership (%) December 31, 2006 85,080 300,000 161,154 $280,846 Book value Percentage of ownership (%) December 31, 2006 37,429 54,301 37,081 10,133 17,224 11,976 32,905 33,531 32,622 $743,210 Market value/ Net assets value N/A N/A N/A N/A Market value/ Net assets value None None None None None None None None None None Shares as collateral (thousand) None None None None Shares as collateral (thousand) Financial Review Unconsolidated 165 166 SMEDIA TECHNOLOGY CORP. USBEST TECHNOLOGY INC. AFA TECHNOLOGY, INC. ALLIANCE OPTOTEK CORP. U-MEDIA COMMUNICATIONS, INC. MOBILE DEVICES INC. HIGH POWER LIGHTING CORP. AMIC TECHNOLOGY CORP. XGI TECHNOLOGY INC. HIGHLINK TECHNOLOGY CORP. DAVICOM SEMICONDUCTOR, INC. BCOM ELECTRONICS INC. KUN YUAN TECHNOLOGY CO., LTD. CION TECHNOLOGY CORP. HITOP COMMUNICATIONS CORP. LIGHTUNING TECH. INC. CHIP ADVANCED TECHNOLOGY INC. UWIZ TECHNOLOGY CO., LTD. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Name of securities Stock Type of securities FORTUNE VENTURE CAPITAL CORP. Investee company Investee company Investee company Investee company Investee company Investee company Investee company Relationship - - - - - - - Investee of UMC and Fortune Investee of UMC and Fortune Investee of UMC and Fortune - (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial statement account 4,230 3,340 2,660 4,340 2,268 6,650 17,675 12,848 55 6,281 23,405 4,525 5,457 5,000 3,500 6,033 3,646 9,045 Units (thousand)/ bonds/ shares (thousand) 46,953 24,344 16,663 60,848 21,600 66,500 176,797 142,030 755 32,187 119,225 47,559 20,983 19,288 34,349 36,806 52,711 $37,525 Book value 13.22 14.06 14.94 16.07 17.05 19.00 19.64 19.89 0.04 11.83 17.08 18.10 19.41 20.84 21.21 21.42 21.45 23.57 Percentage of ownership (%) December 31, 2006 Note Note Note Note Note Note Note Note 435 38,502 119,225 38,327 17,869 19,288 26,912 23,889 50,949 $35,960 Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 GOLDEN TECHNOLOGY VENTURE CAPITAL INVESTMENT CORP. AMOD TECHNOLOGY CO., LTD. ADVANCE MATERIALS CORP. EVERGLORY RESOURCE TECHNOLOGY CO., LTD. NCTU SPRING I TECHNOLOGY VENTURE CAPITAL INVESTMENT CORP. EXCELLENCE OPTOELECTRONICS INC. JMICRON TECHNOLOGY CORP. ANDES TECHNOLOGY CORP. CHINGIS TECHNOLOGY CORP. SHIN-ETSU HANDOTAI TAIWAN CO., LTD. ACTI CORP. RISELINK VENTURE CAPITAL CORP. NCTU SPRING VENTURE CAPITAL CO., LTD. HIGH POWER OPTOELECTRONICS, INC. SIMPAL ELECTRONICS CO., LTD. COSMOS TECHNOLOGY VENTURE CAPITAL INVESTMENT CORP. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock YAYATECH CO., LTD. Stock Name of securities VASTVIEW TECHNOLOGY INC. Stock Type of securities FORTUNE VENTURE CAPITAL CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) - - - - - - - - - - - - - - - - - - Relationship Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 1,742 6,009 1,500 2,000 8,000 1,700 10,500 4,198 5,000 2,660 8,529 4,284 2,500 11,434 1,060 5,040 1,080 3,487 Units (thousand)/ bonds/ shares (thousand) 15,964 70,179 15,000 13,600 76,640 17,306 105,000 37,156 62,500 47,880 85,291 27,160 21,875 113,017 10,421 49,280 36,180 $11,891 Book value 5.03 5.67 6.00 6.28 6.67 6.85 7.00 7.88 7.94 9.50 9.61 10.06 10.23 10.36 10.60 10.67 10.80 12.02 Percentage of ownership (%) December 31, 2006 Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Unconsolidated 167 168 LUMITEK CORP. EE SOLUTIONS, INC. TRENDCHIP TECHNOLOGIES CORP. GIGA SOLUTION TECH. CO., LTD. BEYOND INNOVATION TECHNOLOGY CO., LTD. PROSYS TECHNOLOGY INTEGRATION, INC. WAVEPLUS TECHNOLOGY CO., LTD. FORTUNE SEMICONDUCTOR CORP. PRINTECH INTERNATIONAL INC. SUBTRON TECHNOLOGY CO., LTD. IBT VENTURE CORP. IGLOBE PARTNERS FUND, L.P. ANIMATION TECHNOLOGIES INC. SUPERALLOY INDUSTRIAL CO., LTD. CHIPSENCE CORP. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Fund Stock Stock Stock Stock MEMOCOM CORP. Stock Name of securities PARAWIN VENTURE CAPITAL CORP. Stock Type of securities FORTUNE VENTURE CAPITAL CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) - - - - - - - - - - - - - - - - - Relationship Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 1,750 5,000 1,480 - 7,614 9,317 540 1,504 1,200 409 1,183 3,930 1,249 1,300 1,750 2,450 5,000 Units (thousand)/ bonds/ shares (thousand) 11,325 225,000 22,200 39,051 76,142 102,459 2,457 24,931 - 4,224 14,165 26,742 15,086 22,178 32,000 16,391 $41,900 Book value 2.93 3.08 3.16 3.45 3.81 3.88 3.98 4.00 4.00 4.08 4.11 4.65 4.72 4.85 4.89 4.90 5.00 Percentage of ownership (%) December 31, 2006 Note Note Note N/A Note Note Note Note Note Note Note Note Note Note Note Note Note Market value/ Net assets value None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 ADVANCED CHIP ENGINEERING TECHNOLOGY INC. TAIMIDE TECHNOLOGY INC. RALINK TECHNOLOGY CORP. CRYSTAL INTERNET VENTURE FUND II ARCADIA DESIGN SYSTEMS (TAIWAN), INC. AURORA SYSTEMS, INC. ALPHA & OMEGA SEMICONDUCTOR LTD. Stock Stock Fund Stock Stock-Preferred stock Stock-Preferred stock PIXART IMAGING INC. UNITED ORTHOPEDIC CORP. EPITECH TECHNOLOGY CORP. AVERLOGIC TECHNOLOGIES CORP. AIMTRON TECHNOLOGY, INC. TOPOINT TECHNOLOGY CO., LTD. CHIPBOND TECHNOLOGY CORP. UNITED MICROELECTRONICS CORP. SIMPLO TECHNOLOGY CO., LTD. ATHEROS COMMUNICATION INC. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock SHENG-HUA VENTURE CAPITAL CORP. Name of securities Stock Type of securities FORTUNE VENTURE CAPITAL CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) - - Investor company - - - - - - - - - - - - - - - Relationship Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Financial statement account 8 178 22,070 2,190 959 1,384 1,051 13,128 2,000 13,274 1,500 5,133 162 - 1,391 1,500 2,290 1,250 Units (thousand)/ bonds/ shares (thousand) 5,536 21,004 446,914 63,846 69,827 50,930 16,560 407,627 27,600 6,504,255 46,313 59,317 - 9,342 15,590 16,095 24,419 $9,950 Book value 0.02 0.12 0.12 0.74 1.26 3.17 3.40 3.55 5.89 12.71 - - 0.83 0.99 1.68 1.83 1.84 2.50 Percentage of ownership (%) December 31, 2006 5,536 21,004 446,914 63,846 69,827 50,930 16,560 407,627 27,600 6,504,255 N/A N/A Note N/A Note Note Note Note Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Unconsolidated 169 ATTACHMENT 3 (Securities held as of December 31, 2006) 170 YUNG LI INVESTMENTS, INC. SMEDIA TECHNOLOGY CORP. HIGHLINK TECHNOLOGY CORP. ASIA PACIFIC MICROSYSTEMS, INC. SUPERALLOY INDUSTRIAL CO., LTD. TOPOINT TECHNOLOGY CO., LTD. RECHI PRECISION CO., LTD. SERCOMM CORP. HORIZON SECURITIES CO., LTD. SIMPLO TECHNOLOGY CO., LTD. EPITECH TECHNOLOGY CORP. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Type of securities Name of securities TOPOINT TECHNOLOGY CO., LTD. Convertible bonds TLC CAPITAL CO., LTD. ALPHA NETWORKS INC. Name of securities Convertible bonds Type of securities FORTUNE VENTURE CAPITAL CORP. Investee company Investee company Relationship - - Relationship Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial statement account Financial assets at fair value through profit or loss, noncurrent Financial assets at fair value through profit or loss, noncurrent Financial statement account - - - - - - - - Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Investee of UMC and TLC Long-term investments accounted for under the equity method (Amount in thousand; Currency denomination in NTD unless otherwise specified) 10,413 5,220 16,858 6,192 20,163 5,430 10,650 10,000 17,460 7,084 0.20 Units (thousand)/ bonds/ shares (thousand) 258 300 Units (thousand)/ bonds/ shares (thousand) 323,324 615,960 118,849 168,408 357,901 395,317 479,250 100,000 134,999 99,220 $202,390 Book value - - 2.81 3.48 3.92 4.48 5.84 7.02 6.55 8.40 11.62 18.46 44.44 Percentage of ownership (%) December 31, 2006 36,314 $33,600 Book value Percentage of ownership (%) December 31, 2006 323,324 615,960 118,849 168,408 357,901 395,317 Note Note 138,221 28,166 $202,390 Market value/ Net assets value 36,314 $33,600 Market value/ Net assets value None None None None None None None None None None None Shares as collateral (thousand) None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 TATUNG CO. CORETRONIC CORP. INPAQ TECHNOLOGY CO., LTD. HUNG SHENG CONSTRUCTION LTD. ORIENT SEMICONDUCTOR ELECTRONICS, LTD. ALI CORP. POWERTECH INDUSTRIAL CO., LTD. CHINA ELECTRIC MFG. CORP. CHONG HONG CONSTRUCTION CO., LTD. HANNSTAR DISPLAY CORP. CHINA DEVELOPMENT FINANCIAL HOLDING CORP. SHIHLIN ELECTRIC & ENGINEERING CORP. GOLDSUN DEVELOPMENT& CONSTRUCTION CO., LTD. KINSUS INTERCONNECT TECHNOLOGY CORP. KEE TAI PROPERTIES CO., LTD. YUNGTAY ENGINEERING CO., LTD. TAIWAN FERTILIZER CO., LTD. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock SYSTEX CORP. Stock Name of securities AVERMEDIA TECHNOLOGIES, INC. Stock Type of securities TLC CAPITAL CO., LTD. (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) - - - - - - - - - - - - - - - - - - - Relationship Financial statement account Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent 800 400 300 566 2,060 950 23,596 14,000 343 895 248 1,050 4,764 3,300 500 6,007 38,152 800 4,085 Units (thousand)/ bonds/ shares (thousand) 49,840 8,340 7,785 54,365 36,256 33,582 353,936 86,520 30,253 16,065 12,648 62,265 40,018 83,160 32,800 254,102 557,019 31,120 $163,196 Book value 0.08 0.10 0.11 0.15 0.17 0.18 0.21 0.23 0.23 0.23 0.27 0.41 0.54 0.59 0.74 0.90 0.91 0.96 2.16 Percentage of ownership (%) December 31, 2006 49,840 8,340 7,785 54,365 36,256 33,582 353,936 86,520 30,253 16,065 12,648 62,265 40,018 83,160 32,800 254,102 557,019 31,120 $163,196 Market value/ Net assets value None None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Unconsolidated 171 172 NANTEX INDUSTRY.CO.,LTD. FAR EASTERN INTERNATIONAL BANK CHINATRUST FINANCIAL HOLDING COMPANY LTD. TA CHONG BANK LTD. Stock Stock Stock Stock SOLAR APPLIED MATERIALS TECHNOLOGY CORP. Convertible bonds WALTOP INTERNATIONAL CORP. TERA XTAL TECHNOLOGY CORP. CRYSTAL MEDIA INC. Stock Stock Stock Type of securities Name of securities TOPOINT TECHNOLOGY CO., LTD. Convertible bonds UNITRUTH INVESTMENT CORP. EPITECH TECHNOLOGY CORP. Convertible bonds Stock CHINA INSURANCE INTL Stock Name of securities PRINCE HOUSING & DEVELOPMENT CORP. YULON MOTOR CO., LTD. Stock Type of securities TLC CAPITAL CO., LTD. (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) Investee company Investee company Investee company Relationship - - - - - - - - - - Relationship Financial statement account Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial statement account Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Financial assets at fair value through profit or loss, noncurrent Financial assets at fair value through profit or loss, noncurrent Financial assets at fair value through profit or loss, noncurrent 1,587 1,800 2,000 Units (thousand)/ bonds/ shares (thousand) 40 380 2,500 100 1,600 500 150 800 1,000 580 Units (thousand)/ bonds/ shares (thousand) 13,220 20,816 $29,364 Book value - - - 0.01 0.02 0.03 0.06 0.06 0.07 0.07 8.88 9.00 10.00 Percentage of ownership (%) December 31, 2006 4,604 53,485 293,250 1,095 43,600 7,800 3,150 32,614 39,500 $12,789 Book value Percentage of ownership (%) December 31, 2006 13,220 18,797 $12,360 Market value/ Net assets value 4,604 53,485 293,250 1,095 43,600 7,800 3,150 32,614 39,500 $12,789 Market value/ Net assets value None None None Shares as collateral (thousand) None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 SMEDIA TECHNOLOGY CORP. UCA TECHNOLOGY INC. U-MEDIA COMMUNICATIONS, INC. HIGH POWER LIGHTING CORP. STAR SEMICONDUCTOR CORP. MOBILE DEVICES INC. UWAVE TECHNOLOGY CORP. AFA TECHNOLOGY, INC. XGI TECHNOLOGY INC. AMOD TECHNOLOGY CO., LTD. EXCELLENCE OPTOELECTRONICS INC. VASTVIEW TECHNOLOGY INC. CHIP ADVANCED TECHNOLOGY INC. ADVANCE MATERIALS CORP. EVERGLORY RESOURCE TECHNOLOGY CO., LTD. YAYATECH CO., LTD. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Name of securities ALLIANCE OPTOTEK CORP. Stock Type of securities UNITRUTH INVESTMENT CORP. Relationship Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company - - - - - - Investee of UMC and Unitruth - (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 490 1,200 5,637 1,386 1,748 6,374 930 1,760 1,000 1,000 1,250 1,300 1,225 1,250 1,585 2,570 1,300 Units (thousand)/ bonds/ shares (thousand) 16,415 10,500 62,427 3,059 25,850 63,739 7,920 10,788 3,960 3,292 4,093 2,193 12,875 4,822 7,840 17,085 $12,758 Book value 4.90 4.91 5.11 5.83 6.03 7.18 9.30 3.31 3.55 4.35 4.45 4.65 4.90 5.21 5.95 6.70 7.88 Percentage of ownership (%) December 31, 2006 Note Note Note Note Note Note Note 10,788 3,960 3,292 4,093 2,193 10,376 4,822 4,621 10,217 $9,996 Market value/ Net assets value None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Unconsolidated 173 174 EE SOLUTIONS, INC. JMICRON TECHNOLOGY CORP. CHINGIS TECHNOLOGY CORP. LIGHTUNING TECH. INC. UWIZ TECHNOLOGY CO., LTD. TRENDCHIP TECHNOLOGIES CORP. MEMOCOM CORP. PRINTECH INTERNATIONAL INC. FORTUNE SEMICONDUCTOR CORP. ACTI CORP. GIGA SOLUTION TECH. CO., LTD. HIGH POWER OPTOELECTRONICS, INC. RALINK TECHNOLOGY CORP. CHIPSENCE CORP. SUPERALLOY INDUSTRIAL CO., LTD. UNITED ORTHOPEDIC CORP. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Name of securities LUMITEK CORP. Stock Type of securities UNITRUTH INVESTMENT CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) - - - - - - - - - - - - - - - - - Relationship Financial statement account Available-for-sale financial assets, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 1,082 1,600 910 1,300 500 1,801 740 1,361 540 2,005 1,138 1,470 840 2,518 1,340 1,300 1,750 Units (thousand)/ bonds/ shares (thousand) 14,932 72,000 5,889 14,570 5,000 12,256 11,100 17,747 2,457 13,416 13,747 16,317 5,262 31,218 8,844 14,755 $32,000 Book value 3.19 0.98 1.52 1.57 2.00 2.13 2.98 3.62 3.98 4.01 4.30 4.59 4.72 4.73 4.79 4.85 4.89 Percentage of ownership (%) December 31, 2006 14,932 Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Market value/ Net assets value None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 PARADE TECHNOLOGIES, LTD. MAXXAN SYSTEMS, INC. AICENT, INC. SPREADTRUM COMMUNICATIONS, INC. SILICON 7, INC. GCT SEMICONDUCTOR, INC. INTELLON CORP. FORTEMEDIA, INC. Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock UC FUND II Stock-Preferred stock Fund ACHIEVE MADE INTERNATIONAL LTD. ECP VITA LTD. Stock Stock-Preferred stock UMC CAPITAL (USA) Name of securities TOPOINT TECHNOLOGY CO., LTD. Name of securities Stock Type of securities UMC CAPITAL CORP. Convertible bonds Type of securities UNITRUTH INVESTMENT CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) - - - - - - - Investee company Investee company Investee company Investee company Investee company Relationship - Relationship Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial statement account Financial assets at fair value through profit or loss, noncurrent Financial statement account 10,066 5,235 1,571 1,678 1,649 2,000 2,537 3,125 5,000 508 1,000 200 Units (thousand)/ bonds/ shares (thousand) 380 Units (thousand)/ bonds/ shares (thousand) 326 948 USD 4,053 USD 4,381 USD 1,000 USD 2,000 USD 1,436 USD 1,000 USD 1,281 USD 2,016 USD 3,772 USD USD 1,550 USD Book value - - - - - - - - 23.30 35.45 44.44 100.00 100.00 Percentage of ownership (%) December 31, 2006 $53,485 Book value Percentage of ownership (%) December 31, 2006 326 415 N/A N/A N/A N/A N/A N/A N/A USD 1,113 USD 3,772 USD USD 1,550 USD Market value/ Net assets value $53,485 Market value/ Net assets value None None None None None None None None None None None None Shares as collateral (thousand) None Shares as collateral (thousand) Financial Review Unconsolidated 175 176 VERIPRECISE TECHNOLOGY, INC. PACTRUST COMMUNICATION, INC. LUMINUS DEVICES, INC. REALLUSION HOLDING INC. FORCE10 NETWORKS, INC. QSECURE, INC. Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock KOTURA, INC. AURORA SYSTEMS, INC. Stock-Preferred stock Stock ALPHA & OMEGA SEMICONDUCTOR LTD. Stock-Preferred stock PATENTOP, LTD. EAST VISION TECHNOLOGY LTD. Stock-Preferred stock Stock DIBCOM, INC. Stock-Preferred stock VENGLOBAL CAPITAL FUND III, L.P. AMALFI SEMICONDUCTOR, INC. Stock-Preferred stock Fund WISAIR, INC. Stock-Preferred stock MAGNACHIP SEMICONDUCTOR LLC SMART VANGUARD LTD. Stock-Preferred stock Stock MAXLINEAR, INC. Name of securities Stock-Preferred stock Type of securities UMC CAPITAL CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Securities held as of December 31, 2006) - - - - - - - - - - - - - - - - - - Relationship Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial statement account 0.59 720 - 31 12,422 4,373 1,800 477 4,850 4,000 550 1,500 2,770 10 1,471 153 5,750 2,070 Units (thousand)/ bonds/ shares (thousand) 242 555 USD - - 712 USD 1,094 USD 3,000 USD 4,500 USD USD 3,000 USD 4,850 USD 4,000 USD USD 3,375 USD 4,820 USD 1,186 USD 1,500 USD 1,596 USD 6,500 USD 4,052 Book value 0.00 18.00 - 0.00 - - - - - - - - - - - - - - Percentage of ownership (%) December 31, 2006 Note Note N/A Note N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 - - Relationship Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 750 301 Units (thousand)/ bonds/ shares (thousand) Note : The net asset values for unlisted investees classified as "Financial assets measured at cost, noncurrent" were not available as of December 31, 2006. ZYLOGIC SEMICONDUCTOR CORP. Stock-Preferred stock Name of securities TERABURST NETWORKS Stock-Preferred stock Type of securities UMC CAPITAL CORP. ATTACHMENT 3 (Securities held as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) Book value - - - Percentage of ownership (%) December 31, 2006 N/A N/A Market value/ Net assets value None None Shares as collateral (thousand) Financial Review Unconsolidated 177 178 CHINA DEVELOPMENT FINANCIAL HOLDING CORP. MEDIATEK INC. Stock Stock PROMOS TECHNOLOGIES INC. Stock Available-forsale financial assets, noncurrent Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current loss, current Financial assets ACTION ELECTRONICS CO., at fair value through profit or LTD. Financial assets at fair value through profit or loss, current QUANTA STORAGE Financial assets at fair value INC. through profit or loss, current Financial assets TATUNG CO. at fair value through profit or loss, current SAMSON HOLDING Financial assets at fair value LTD. through profit or loss, current Financial assets SILICONWARE at fair value PRECISION through profit or INDUSTRIES CO., loss, current LTD. Stock Stock Stock Convertible bonds Convertible bonds Convertible bonds Financial assets at fair value through profit or loss, current SILICONWARE PRECISION INDUSTRIES CO., LTD. ACTION ELECTRONICS CO., LTD. Convertible bonds loss, current Financial assets KING YUAN ELECTRONICS CO., at fair value through profit or LTD. Name of the securities Convertible bonds Type of securities Financial statement account UNITED MICROELECTRONICS CORPORATION Open market Open market Open market SILICONWARE PRECISION INDUSTRIES CO., LTD. ACTION ELECTRONICS CO., LTD. Open market Open market QUANTA STORAGE INC. SILICONWARE PRECISION INDUSTRIES CO., LTD. ACTION ELECTRONICS CO., LTD. KING YUAN ELECTRONICS CO., LTD. Counter-party - - 53,916 3,700 - - 37,872 - - - - - 4,500 - - 10,000 - - 8,000 800 - - Relationship Units (thousand)/ bonds/ shares (thousand) 20,865,597 - - - 170,385 565,344 - 144,191 402,375 310,099 $340,912 Amount (Note1) Beginning balance - 23,200 526,750 14,791 6,832 - 982 1,000 - - - Units (thousand)/ bonds/ shares (thousand) Addition - - $- - 298,433 6,831,114 434,127 (Note4) 291,714 (Note4) - 111,540 32,578 Amount 42,407 - 49,376 - 6,150 37,872 580 4,500 10,000 8,000 800 Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 4 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 14,259,393 - 709,895 - 292,416 581,041 78,464 144,342 (Note5) 434,127 (Note4) 291,714 (Note4) $309,884 (Note4) Amount Disposal 458,508 - 640,329 - 243,280 456,571 65,879 152,778 322,200 270,120 $271,600 Cost (Note 2) 13,771,261 (Note9) - 69,566 - 49,136 124,470 12,585 (8,436) 111,927 21,594 $38,284 14,979 (Note10) 23,538 (Note8) 477,374 16,270 (Note7) 5,395 (Note6) - 402 1,000 - - - - - $- 5,048,091 353,072 6,778,711 329,464 276,202 - 52,863 34,485 Amount (Note1) Ending balance Gain (Loss) Units (thousand)/ from disposal bonds/ (Note 3) shares (thousand) United Microelectronics Corporation | Annual Report 2006 RECHI PRECISION CO., LTD. PREMIER IMAGE TECHNOLOGY CORP. HON HAI PRECISION INDUSTRY CO., LTD. Stock Stock Stock HSUN CHIEH INVESTMENT CO., LTD. TOPPAN PHOTOMASKS TAIWAN LTD. Stock Stock Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Available-forsale financial assets, noncurrent TOPPAN PHOTOMASKS TAIWAN LTD. HSIEH YONG CAPITAL CO., TAIWAN CEMENT CORP. StockTAIWAN CEMENT Preferred stock CORP. noncurrent CHINATRUST FINANCIAL HOLDING CO., LTD. HON HAI PRECISION INDUSTRY CO., LTD. PREMIER IMAGE TECHNOLOGY CORP. Open market Proceeds from new issues KING YUAN ELECTRONICS CO., LTD. Counter-party Available-forStockCHINATRUST sale financial Preferred stock FINANCIAL HOLDING CO., LTD. assets, Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent EPITECH TECHNOLOGY CORP. Stock noncurrent Available-forKING YUAN ELECTRONICS CO., sale financial assets, LTD. Name of the securities Stock Type of securities Financial statement account UNITED MICROELECTRONICS CORPORATION 106,621 - 4,810 - 92,124 - - - 3,497 - 44,530 12,412 - - 23,729 23,040 - - Relationship Units (thousand)/ bonds/ shares (thousand) 1,063,671 (3,169,837) (Note15) 1,202,310 206,830 - 154,043 331,400 716,630 $828,272 Amount (Note1) Beginning balance - - - - 1,057 - - 13,492 9,653 Units (thousand)/ bonds/ shares (thousand) Addition - - - - 244,929 (Note14) - - 296,823 $309,884 (Note4) Amount 106,621 58,500 44,530 4,810 - 3,602 (Note13) 12,677 - - Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 4 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) - $- 1,279,449 6,521,580 1,113,250 192,400 - 244,929 (Note14) 223,636 Amount Disposal - $- 1,053,204 5,865,917 1,201,794 207,482 - 27,964 205,245 Cost (Note 2) 197,633 (Note17) 13,152,475 (Note16) (88,544) (15,082) - 216,965 18,391 - $- - 33,624 - - 1,057 - 1,753 (Note12) 37,221 35,008 (Note11) - 4,674,311 - - 245,705 - 31,116 1,155,725 $952,216 Amount (Note1) Ending balance Gain (Loss) Units (thousand)/ from disposal bonds/ (Note 3) shares (thousand) Financial Review Unconsolidated 179 180 UMC JAPAN TLC CAPITAL CO., LTD. UMC CAPITAL CORP. MEGA MISSION LIMITED PARTNERSHIP Stock Stock Stock Fund Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial statement account Proceeds from new issues Proceeds from new issues Proceeds from new issues Open market Proceeds from new issues Counter-party - 484 300,000 74,000 - - - - - - Relationship Units (thousand)/ bonds/ shares (thousand) $- - 2,051,350 2,991,258 6,341,144 Amount (Note1) (Note22) 50,000 300,000 12 28,500 Units (thousand)/ bonds/ shares (thousand) Addition 2,222,100 1,665,000 3,000,000 132,462 $285,000 Amount Note 1: The amounts of beginning and ending balances of financial assets at fair value through profit or loss and available for sale are recorded at the prevailing market prices. Note 2: The disposal cost represents historical cost . Note 3: Gain/Loss from disposal includes realized exchange gain/loss to which the ROC SFAS No. 34, "Financial Instruments: Recognition and Measurement'', is applied. As for the gain/loss from disposal of financial assets at fair value through profit/loss transfers to gain/loss on the valuation of financial assets. Note 4: Exercise of conversion rights of the Company's convertible bond classified as "Financial asset at fair value through profit or loss" on the balance sheet. Note 5: Exercise of call back rights of the Company's convertible bond classified as "Financial asset at fair value through profit or loss" on the balance sheet. Note 6: The ending balance includes stock dividend of 1,013 thousand shares. Note 7: The ending balance includes stock dividend of 1,479 thousand shares. Note 8: The ending balance includes stock dividend of 338 thousand shares. Note 9: The gain/loss on disposal of investment includes adjustments to long-term investment additional paid-in capital of NT$(29,624) thousand. Note 10: The ending balance includes stock dividend of 3,470 thousand shares. HIGHLINK TECHNOLOGY CORP. Name of the securities Stock Type of securities UNITED MICROELECTRONICS CORPORATION Beginning balance - - - - - Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 4 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) Amount - - - - $- Disposal Cost (Note 2) - - - - $- - - - - $- (Note22) 124,000 600,000 496 28,500 Gain (Loss) Units (thousand)/ from disposal bonds/ (Note 3) shares (thousand) 2,699,491 (Note22) 3,613,491 (Note21) 6,999,737 (Note20) 5,949,999 (Note19) $225,624 (Note18) Amount (Note1) Ending balance United Microelectronics Corporation | Annual Report 2006 Name of the securities Financial statement account Counter-party Relationship Units (thousand)/ bonds/ shares (thousand) Amount (Note1) Units (thousand)/ bonds/ shares (thousand) Addition Amount Units (thousand)/ bonds/ shares (thousand) Amount Disposal Cost (Note 2) Gain (Loss) Units (thousand)/ from disposal bonds/ (Note 3) shares (thousand) Amount (Note1) Ending balance ULI ELECTRONICS INC. UNITRUTH INVESTMENT CORP. TRIDENT MICROSYSTEMS, INC. SIRF TECHNOLOGY HOLDINGS, INC. Stock Stock Stock Name of the securities Stock Type of securities Financial statement account Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method FORTUNE VENTURE CAPITAL CORP. Open market Open market Proceeds from new issues NVIDIA BVI HOLDINGS LTD. Counter-party 181 - 176,419 150,565 366,683 40,000 255 $252,307 Amount (Note1) 12,655 - Subsidiary - Relationship Units (thousand)/ bonds/ shares (thousand) Beginning balance - - 40,000 - Units (thousand)/ bonds/ shares (thousand) Addition $- - - 400,000 Amount 181 255 - 12,655 Units (thousand)/ bonds/ shares (thousand) 185,353 218,469 - $240,451 Amount Disposal 24,652 71,775 - $252,307 Cost 160,701 146,694 - $(11,607) (Note2) - - 80,000 - Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) $- - - 743,210 (Note3) Amount (Note1) Ending balance Note 11: The ending balance includes stock dividend of 2,315 thousand shares. Note 12: The ending balance includes stock dividend of 2,018 thousand shares. Note 13: The disposal shares include stock dividend of 105 thousand shares. Note 14: On December 1, 2006, Premier Image Technology Corporation merged into Hon Hai Precision Industry Co., Ltd. Note 15: The ending balance of NT$(3,169,837) thousand is computed by deducting the Company's stocks held by Hsun Chieh (therefore accounted for as treasury stock) of NT$20,137,403 thousand from the Company's long-term investment beginning balance in Hsun Chieh of NT$16,967,566 thousand. Note 16: The gain/loss on disposal includes long-term investment additional paid-in capital adjustments of NT$14,149,221 thousand, cumulative translation adjustments of NT$(8,157) thousand, unrealized loss of available for sale NT$(1,644,252) thousand. Note 17: The gain/loss on disposal includes long-term investment additional paid-in capital adjustments of NT$(28,612) thousand. Note 18: The ending balance includes impairment loss of NT$(7,774) thousand, long-term investment loss of NT$(51,719) thousand and long-term investment additional paid-in capital adjustment of NT$117 thousand. Note 19: The ending balance includes long-term investment loss of NT$(408,923) thousand, long-term investment additional paid-in capital adjustment of NT$1 thousand and cumulative translation adjustments of NT$(114,685) thousand. Note 20: The ending balance includes long-term investment gain of NT$329,178 thousand, long-term investment additional paid-in capital adjustment of NT$2,543 thousand, cumulative translation adjustments of NT$10 thousand and unrealized gain on financial assets of NT$676,748 thousand. Note 21: The ending balance includes long-term investment loss of NT$(49,736) thousand, long-term investment additional paid-in capital adjustment of NT$930 thousand, cumulative translation adjustments of NT$(55,147) thousand and unrealized gain on financial assets of NT$1,094 thousand. Note 22: No shares since it belongs to partnership fund organization. The ending balance includes long-term investment loss of NT$504,936 thousand and cumulative translation adjustments of NT$(27,545) thousand. Type of securities UNITED MICROELECTRONICS CORPORATION Beginning balance ATTACHMENT 4 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) Financial Review Unconsolidated 181 182 EPITECH TECHNOLOGY CORP. Stock SUPERALLOY INDUSTRIAL CO., LTD. Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Financial statement account Counter-party Taiwan Special Opportunities Fund III / Proceeds from new issues ANALOG DEVICES HOLDINGS B.V. Open market Open market Open market 4,361 120 - - - 5,000 - - - - Relationship $- - 5,000 - 8,767 - 1,518 225,000 - 257,000 - $128,913 Units (thousand)/ bonds/ shares (thousand) Amount 34,413 131,705 133,500 Units (thousand)/ bonds/ Amount shares (thousand) (Note1) Addition - 240 (Note5) - 5,461 (Note4) 1,340 - 232,190 - 111,552 $127,011 Units (thousand)/ bonds/ shares (thousand) Amount Disposal Cost - 34,413 - 93,633 $113,977 - 197,777 - 17,919 $13,034 5,000 - 13,128 - 178 225,000 - 407,627 - $21,004 Units (thousand)/ bonds/ Gain (Loss) Amount from disposal shares (thousand) (Note1) Ending balance Note 1: The amounts of beginning and ending balances of available-for-sale financial assets are recorded at the prevailing market prices. Note 2: The loss on disposal of investment includes cumulative translation adjustments of NT$249 thousand. Note 3: The ending balance includes long-term investment loss of NT$(44,024) thousand, additional paid-in capital adjustments of NT$17,428 thousand due to disproportionate changes in shareholding, cumulative translation adjustments of NT$(99) thousand, retained earning adjustments of NT$246 thousand and unrealized loss of available-for-sale financial assets of NT$2,976 thousand. Note 4: The disposal shares includes stock dividend of 461 thousand shares. Note 5: 2 for 1 Stock splits. Stock StockINTEGRANT Preferred stock TECHNOLOGIES, INC. RECHI PRECISION CO., LTD. Stock Name of the securities SIMPLO TCHNOLOGY CO., LTD. Stock Type of securities FORTUNE VENTURE CAPITAL CORP. Beginning balance ATTACHMENT 4 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) United Microelectronics Corporation | Annual Report 2006 PROMOS TECHNOLOGIES INC. Available-forSIMPLO TECHNOLOGY CO., sale financial assets, LTD. TATUNG CO. EPITECH TECHNOLOGY CORP. TXC CORP. KINSUS INTERCONNECT TECHNOLOGY CORP. CORETRONIC CORP. Available-forA-DATA TECHNOLOGY CO., sale financial assets, LTD. Stock Stock Stock Stock Stock Stock Stock Stock noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent CHINA DEVELOPMENT FINANCIAL HOLDING CORP. Stock Available-forsale financial assets, noncurrent SERCOMM CORP. Name of the securities Financial statement account Stock Type of securities TLC CAPITAL CO., LTD. Open market Open market Open market Open market Open market Open market Open market / Private Open market Open market Open market Counter-party - - - - - - - - - - Relationship - 2,867 - - - - - - - - - - - - - - - - $75,499 Amount (Note1) - Units (thousand)/ bonds/ shares (thousand) Beginning balance 1,741 5,983 1,300 4,208 10,413 47,372 5,520 19,500 23,025 5,077 Units (thousand)/ bonds/ shares (thousand) Addition 211,155 245,799 126,049 166,996 298,327 583,045 330,234 238,307 292,259 $126,954 Amount 1,909 (Note8) - 900 4,460 (Note4) - 9,220 300 19,500 - 2,600 Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 4 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 225,036 - 86,560 217,570 - 123,401 30,403 286,030 - $70,109 Amount Disposal 204,978 (Note9) - 76,347 162,789 (Note5) - 113,478 25,617 238,307 - $59,874 Cost 20,058 - 10,213 54,781 - 9,923 4,786 47,723 - $10,235 - 6,007 (Note7) 566 (Note6) - 10,413 38,152 5,220 - 23,596 (Note3) 6,192 (Note2) - 254,102 54,365 - 323,324 557,019 615,960 - 353,936 $168,408 Amount (Note1) Ending balance Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) Financial Review Unconsolidated 183 184 SMEDIA TECHNOLOGY CORP. YUNG LI INVESTMENTS, INC. ASIA PACIFIC MICROSYSTEMS, INC. SUPERALLOY INDUSTRIAL CO., LTD. Stock Stock Stock Stock EPITECH TECHNOLOGY CORP. Available-forTOPOINT TECHNOLOGY CO., sale financial assets, LTD. Stock Convertible bonds AVERMEDIA TECHNOLOGIES, INC. Stock Financial assets at fair value through profit or loss, noncurrent Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial assets measured at cost, noncurrent noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent POWER QUOTIENT INTERNATIONAL CO., LTD. Stock Available-forsale financial assets, noncurrent ELITE MATERIAL CO., LTD. Name of the securities Financial statement account Stock Type of securities TLC CAPITAL CO., LTD. Open market Taiwan Special Opportunities Fund III / Proceeds from new issues Proceeds from new issues Proceeds from new issues Proceeds from new issues Open market / Proceeds from new issues Open market Open market Open market Counter-party - - - - - - - - - Relationship - - - - - - - - - 144,832 2,263 - - - - - Amount (Note1) - - Units (thousand)/ bonds/ shares (thousand) Beginning balance 2,500 10,650 10,000 0.20 7,084 2,778 5,012 12,483 6,874 Units (thousand)/ bonds/ shares (thousand) Addition 250,000 479,250 100,000 200,000 106,266 145,609 179,713 207,004 $102,424 Amount - - - - - - 927 12,483 6,874 Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 4 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) - - - - - - 36,788 306,400 $114,860 Amount Disposal - - - - - - 33,239 204,961 (Note10) $102,424 Cost - - - - - - 3,549 101,439 $12,436 2,500 10,650 10,000 0.20 7,084 5,430 (Note11) 4,085 - - - $- 293,250 479,250 100,000 202,390 (Note13) 99,220 (Note12) 395,317 163,196 Amount (Note1) Ending balance Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) United Microelectronics Corporation | Annual Report 2006 Name of the securities Financial statement account Counter-party Relationship Units (thousand)/ bonds/ shares (thousand) Amount (Note1) Units (thousand)/ bonds/ shares (thousand) Addition Amount Name of the securities StockFORCE10 Preferred stock NETWORKS, INC. Type of securities UMC CAPITAL CORP. Financial assets measured at cost, noncurrent Financial statement account Proceeds from new issues Counter-party - Relationship - Units (thousand)/ bonds/ shares (thousand) Amount (Note1) Beginning balance $- 4,373 Units (thousand)/ bonds/ shares (thousand) Addition USD 4,500 Amount Note1: The amounts of beginning and ending balances of financial assets at fair value through profit or loss and available for sale are recorded at the prevailing market prices. Note2: The ending balance includes stock dividend of 848 thousand shares. Note3: The ending balance includes stock dividend of 571 thousand shares. Note4: The disposal shares include stock dividend of 252 thousand shares. Note5: The disposal cost includes cash dividend of NT$(4,207) thousand. Note6: The ending balance includes stock dividend of 166 thousand shares. Note7: The ending balance includes stock dividend of 24 thousand shares. Note8: The disposal shares include stock dividend of 168 thousand shares. Note9: The disposal cost includes cash dividend of NT$(6,177) thousand. Note10: The disposal cost includes cash dividend of NT$(2,043) thousand. Note11: The ending balance includes stock dividend of 389 thousand shares. Note12: The ending balance includes long-term investment loss of NT$(7,057) thousand and cumulative translation adjustments of NT$11 thousand. Note13: The ending balance includes long-term investment gain of NT$2,390 thousand. Type of securities Beginning balance - Units (thousand)/ bonds/ shares (thousand) Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 4 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) TLC CAPITAL CO., LTD. Amount $- Disposal Amount Disposal Cost Cost $- 4,373 Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) $- Amount (Note1) USD 4,500 Amount (Note1) Ending balance Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) Ending balance Financial Review Unconsolidated 185 186 None Name of properties Transaction date UNITED MICROELECTRONICS CORPORATION Transaction amount Payment status (Amount in thousand; Currency denomination in NTD unless otherwise specified) Counter-party Relationship Former holder of property Relationship between former holder and acquirer of property Date of transaction Transaction amount Where counter-party is a related party, details of prior transactions ATTACHMENT 5 (Acquisition of individual real estate with amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) Price reference Date of acquisition Other and status of commitments utilization United Microelectronics Corporation | Annual Report 2006 None Names of properties Transaction date Date of original acquisition UNITED MICROELECTRONICS CORPORATION Book value (Amount in thousand; Currency denomination in NTD unless otherwise specified) Transaction amount Status of proceeds collection Gain (Loss) from disposal Counter-party Relationship ATTACHMENT 6 (Disposal of individual real estate with amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) Reason of disposal Price reference Other commitments Financial Review Unconsolidated 187 188 Related party UNITED MICROELECTRONICS CORPORATION Investor company Relationship Subsidiary's investee company AFA TECHNOLOGY, INC. UNITED MICROELECTRONICS (EUROPE) B.V. Subsidiary's investee company USBEST TECHNOLOGY INC. Purchases Purchases (Sales) USD 260,578 Amount 144,859 Sales Net 60 Days Net 60 Days Net 60 Days Term 100.00 Net 60 Days Term 0.14 Month-end 45 Days 0.22 Month-end 45 Days 0.31 Month-end 45 Days 0.66 Month-end 60 Days 1.97 Month-end 45 Days 2.72 8.12 52.33 Transactions Percentage of total purchases (sales) (%) 226,662 688,955 Sales Investee company 322,726 Sales Investee company ITE TECH. INC. 2,046,127 2,835,621 8,455,595 $54,476,329 Amount Transactions Percentage of total purchases (sales) (%) Sales Sales Sales Investee company The Company's director SILICON INTEGRATED SYSTEMS CORP. HOLTEK SEMICONDUCTOR INC. Sales Investee company Sales Investee company Purchases (Sales) UNITED MICROELECTRONICS (EUROPE) B.V. UMC JAPAN Relationship UMC GROUP (USA) Related party UNITED MICROELECTRONICS CORPORATION (Amount in thousand; Currency denomination in NTD unless otherwise specified) N/A N/A N/A N/A N/A N/A N/A N/A Term N/A Unit price N/A Term Details of non-arm's length transaction N/A N/A N/A N/A N/A N/A N/A N/A Unit price Details of non-arm's length transaction ATTACHMENT 7 (Related party transactions for purchases and sales amounts exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) 0.10 0.45 0.32 0.88 0.75 3.05 5.58 38.89 USD 22,584 100.00 Notes and accounts receivable (payable) Percentage of total Balance Note receivables (%) 12,869 59,860 41,829 115,670 98,861 401,039 734,440 $5,118,532 Notes and accounts receivable (payable) Percentage of total Balance Note receivables (%) United Microelectronics Corporation | Annual Report 2006 Investor company Investee of UMC UMC GROUP(USA) Relationship UNITED MICROELECTRONICS CORPORATION Related party Investee of UMC UMC JAPAN UMC JAPAN Investor company Relationship UNITED MICROELECTRONICS CORPORATION Related party UMC GROUP (USA) (Amount in thousand; Currency denomination in NTD unless otherwise specified) Sales Purchases Purchases (Sales) Purchases Purchases Purchases (Sales) JPY 463,508 JPY 9,881,648 1.35 55.48 Percentage of total purchases (sales) (%) 0.23 99.77 Percentage of total purchases (sales) (%) Transactions 3,927 Amount USD USD 1,673,665 Amount Transactions Net 55 Days Net 60 Days Term Net 55 Days Net 60 Days Term N/A N/A Term N/A N/A Unit price N/A N/A Term Details of non-arm's length transaction N/A N/A Unit price Details of non-arm's length transaction ATTACHMENT 7 (Related party transactions for purchases and sales amounts exceeding the lower of NT$100 million or 20 percent of capital stock for the year December 31, 2006) 617 0.39 99.50 Percentage of total receivables (%) Note JPY 73,364 JPY 1,458,726 Balance 0.78 33.05 Percentage of total receivables (%) Note Notes and accounts receivable (payable) USD USD 157,396 Balance Notes and accounts receivable (payable) Financial Review Unconsolidated 189 190 98,861 The Company's director SILICON INTEGRATED SYSTEMS CORP. - Investee company HOLTEK SEMICONDUCTOR INC. 401,039 65,746 - Investee company 734,440 $5,118,532 Accounts receivable 1,299 - 318 4 $- Other receivables Ending balance 49,924 - Investee company $- UNITED MICROELECTRONICS (EUROPE) B.V. UMC JAPAN Relationship Investee company Notes receivable UMC GROUP (USA) Related party UNITED MICROELECTRONICS CORPORATION Total 100,160 115,670 401,357 734,444 $5,118,532 3.07 5.90 7.72 13.22 11.26 Turnover rate (times) - - Collection status - - 7 Credit Collecting - $- 20,475 Credit Collecting Amount Overdue receivables ATTACHMENT 8 (Receivables from related parties with amounts exceeding the lower of NT$100 million or 20 percent of capital stock as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 40,741 99,735 175,792 531,115 $4,900,961 - - 1,996 - $- Amount received in subsequent Allowance for period doubtful accounts United Microelectronics Corporation | Annual Report 2006 Taipei, Taiwan Taipei, Taiwan TLC CAPITAL CO., LTD. FORTUNE VENTURE CAPITAL CORP. UNITED MICRODISPLAY OPTRONICS CORP. UMC JAPAN British Virgin Islands Taipei, Taiwan HSUN CHIEH INVESTMENT CO., LTD. HOLTEK SEMICONDUCTOR INC. Hsinchu Science Park, Taiwan ITE TECH. INC. Hsinchu Science Park, Taiwan UNITECH CAPITAL INC. PACIFIC VENTURE CAPITAL CO., Taipei, Taiwan LTD. MTIC HOLDINGS PTE LTD. Singapore Hsinchu Science Park, Taiwan Chiba, Japan Singapore Cayman, Cayman Islands Apia, Samoa Address Sunnyvale, California, USA The Netherlands UNITED MICROELECTRONICS CORP. (SAMOA) UMCI LTD. UNITED MICROELECTRONICS (EUROPE) B.V. UMC CAPITAL CORP. Investee company UMC GROUP (USA) UNITED MICROELECTRONICS CORPORATION 357,628 186,898 IC design and production Sales and manufacturing of integrated circuits 21,000 USD 4,000 SGD 150,000 20,994,400 JPY 1,008,078 4,999,940 6,000,000 839,880 USD 1,000 USD 124,000 USD 5,421 USD 186,898 357,628 921,241 21,000 - 300,000 20,537,634 1,008,078 4,999,940 3,000,000 839,880 1,000 74,000 5,421 Ending balance Beginning balance 16,438 USD 16,438 336,241 USD SGD JPY USD USD USD USD USD Investment holding Investment holding Consulting and planning for investment in new business Consulting and planning for investment in new business Sales and manufacturing of LCOS Sales and manufacturing of integrated circuits Consulting and planning for investment in new business Investment holding Sales and manufacturing of integrated circuits Investment holding Investment holding IC Sales Main businesses and products IC Sales Initial Investment (Note 1) ATTACHMENT 9 (Names, locations and related information of investee companies as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 24,229 51,939 33,624 21,000 4,000 30,000 496 64,313 499,994 600,000 880,006 280 124,000 9 21.80 24.45 36.49 42.00 49.94 49.99 50.09 81.76 99.99 100.00 100.00 100.00 100.00 100.00 Percentage Number of of shares ownership (thousand) (%) 16,438 100.00 341,268 878,747 4,674,311 959,542 81,402 127,379 5,949,999 167,217 11,114,198 6,999,737 86 8,480 3,613,491 284,084 Book value $1,006,496 Investment as of December 31, 2006 251,307 1,058,371 215,305 306,447 (5,097) (32,936) (833,067) (186,142) 374,046 329,178 12,463 (5,588) (49,736) 7,058 Net income (loss) of investee company $260,573 47,559 233,441 81 128,708 (2,545) (20,964) (408,923) (158,511) 379,890 329,178 12,463 (5,588) (49,736) 7,058 Investment income (loss) recognized $260,573 Note2 Note Financial Review Unconsolidated 191 192 Investment holding USD 67,500 USD - 135,000 248,795 248,795 135,000 Beginning balance $- Ending balance $285,000 Initial Investment (Note 1) - 16,200 8,758 45.00 11.86 16.48 Percentage Number of of shares ownership (thousand) (%) 28,500 18.97 2,699,491 57,062 53,710 Book value $225,624 Investment as of December 31, 2006 NEXPOWER TECHNOLOGY CORP. UCA TECHNOLOGY INC. Taipei County, Taiwan Hsinchu, Taiwan Taoyuan County, Taiwan Hsinchu, Taiwan ANOTO TAIWAN CORP. UWAVE TECHNOLOGY CORP. Address Taipei, Taiwan Investee company UNITRUTH INVESTMENT CORP. FORTUNE VENTURE CAPITAL CORP. Sales and manufacturing of solar power batteries Design of MP3 player chip Tablet transmission systems and chip-set RF IC Design Main businesses and products Investment holding 8,000 99,311 85,471 39,200 Ending balance $800,000 8,000 49,311 85,471 - Beginning balance $400,000 Initial Investment 800 11,285 10,187 3,920 40.00 42.38 44.29 49.00 Percentage Number of of shares ownership (thousand) (%) 80,000 100.00 11,976 42,288 33,531 32,622 Book value $743,210 Investment as of December 31, 2006 Note 1: Initial investment amounts denominated in foreign currencies are expressed in thousands. Note 2: Based on the resolution of the board of directors meeting on August 26, 2004, the businesses, operations and assets of UMCI LTD. were transferred to the Branch as of April 1, 2005. Note 3: No shares since it belongs to partnership fund organization. Hsinchu Science Park, Taiwan Cayman Islands MEGA MISSION LIMITED PARTNERSHIP AMIC TECHNOLOGY CORP. Main businesses and products Sales and manufacturing of electronic parts Cartography chip design and production IC design, production and sales Investee company Address HIGHLINK TECHNOLOGY CORP. Miao-Li County, Taiwan XGI TECHNOLOGY INC. Hsinchu, Taiwan UNITED MICROELECTRONICS CORPORATION ATTACHMENT 9 (Names, locations and related information of investee companies as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 9,983 (84,925) (69,000) (13,425) Net income (loss) of investee company $(44,024) 1,247,081 (61,367) (175,804) Net income (loss) of investee company $(277,489) 3,995 (36,459) (30,559) (6,578) Investment income (loss) recognized $(44,024) 504,936 (2,519) (29,020) Investment income (loss) recognized $(51,719) Note Note3 Note United Microelectronics Corporation | Annual Report 2006 Hsinchu, Taiwan Taoyuan County, Taiwan Hsinchu, Taiwan Hsinchu, Taiwan Hsinchu, Taiwan Taipei County, Taiwan Hsinchu County, Taiwan Hsinchu, Taiwan WALTOP INTERNATIONAL CORP. TERA XTAL TECHNOLOGY CORP. CRYSTAL MEDIA INC. SMEDIA TECHNOLOGY CORP. USBEST TECHNOLOGY INC. AFA TECHNOLOGY, INC. Hsinchu, Taiwan XGI TECHNOLOGY INC. HIGHLINK TECHNOLOGY CORP. Miao-Li County, Taiwan Hsinchu Science Park, Taiwan AMIC TECHNOLOGY CORP. HIGH POWER LIGHTING CORP. MOBILE DEVICES INC. U-MEDIA COMMUNICATIONS, INC. Hsinchu County, Taiwan Taipei County, Taiwan Samoa AEVOE INTERNATIONAL LTD. ALLIANCE OPTOTEK CORP. Address Hsinchu, Taiwan Investee company STAR SEMICONDUCTOR CORP. FORTUNE VENTURE CAPITAL CORP. Design and manufacturing of cartography chip Sales and manufacturing of electronic parts IC design, production and sales PHS &GSM/PHS dual mode B/B Chip High brightness LED package and Lighting module R&D and manufacture Design and manufacturing of LED WLAN, Broadband, Digital Home ODM Design, manufacturing and sales of IC IC design Design of VOIP network phones Multimedia co-processor Lithium Tantalate and Niobate, Optical Grade Lithium Niobate Lithium Tetraborate and Sapphire Tablet PC module, Pen LCD Monitor/module Design of VOIP Telephone Main businesses and products IC design, production and sales USD 792 270,483 291,621 54,300 56,102 45,750 39,900 64,544 41,645 93,478 50,629 85,200 90,000 912 - 270,483 291,621 - 50,000 45,750 - 53,340 54,208 90,240 17,206 - - - Beginning balance $44,129 Initial Investment Ending balance $91,194 ATTACHMENT 9 (Names, locations and related information of investee companies as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 55 6,281 23,405 4,525 5,457 5,000 3,500 6,033 3,646 9,045 4,493 5,200 6,000 2,500 0.04 11.83 17.08 18.10 19.41 20.84 21.21 21.42 21.45 23.57 25.15 26.00 30.00 35.80 755 32,187 119,225 47,559 20,983 19,288 34,349 36,806 52,711 37,525 37,429 88,134 88,093 12,610 Investment as of December 31, 2006 Percentage Number of of shares ownership (thousand) (%) Book value 10,212 36.54 $17,224 (277,489) (175,804) (61,367) (57,062) (140,837) (46,892) (41,909) (83,173) 37,313 (145,821) (20,383) 2,015 (13,516) (32,976) Net income (loss) of investee company $(84,661) (37) (18,775) (3,624) (6,743) (28,677) (10,143) (7,108) (19,674) 8,974 (41,037) (5,154) 2,934 (1,907) (17,175) Investment income (loss) recognized $(28,052) Note Financial Review Unconsolidated 193 194 Taoyuan County, Taiwan Hsinchu, Taiwan Hsinchu County, Taiwan Hsinchu, Taiwan Taipei County, Taiwan Hsinchu, Taiwan Investee company WALTOP INTERNATIONAL CORP. TERA XTAL TECHNOLOGY CORP. CRYSTAL MEDIA INC. ALLIANCE OPTOTEK CORP. SMEDIA TECHNOLOGY CORP. UCA TECHNOLOGY INC. U-MEDIA COMMUNICATIONS, INC. Address Hsinchu, Taiwan WLAN, Broadband, Digital Home ODM Design of MP3 player chip Multimedia co-processor Design and manufacturing of LED Design of VOIP network phones Main businesses and products Tablet PC module, Pen LCD Monitor/module Lithium Tantalate and Niobate, Optical Grade Lithium Niobate Lithium Tetraborate and Sapphire Sales and manufacturing of electronic parts Miao-Li County, Taiwan HIGHLINK TECHNOLOGY CORP. UNITRUTH INVESTMENT CORP. Multimedia co-processor Hsinchu, Taiwan Main businesses and products Investment SMEDIA TECHNOLOGY CORP. Address Taipei, Taiwan YUNG LI INVESTMENTS, INC. Investee company TLC CAPITAL CO., LTD. 221,920 106,266 174,596 13,800 11,910 24,057 14,820 16,493 19,800 Ending balance $30,000 13,800 5,390 24,057 - 4,688 - Beginning balance $- Initial Investment Beginning balance $- Initial Investment Ending balance $200,000 ATTACHMENT 9 (Names, locations and related information of investee companies as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 11.62 18.46 134,999 99,220 1,250 1,585 2,570 1,300 1,587 1,800 5.21 5.95 6.70 7.88 8.88 9.00 4,822 7,840 17,085 12,758 13,220 20,816 Investment as of December 31, 2006 Percentage Number of of shares ownership (thousand) (%) Book value 2,000 10.00 $29,364 17,460 7,084 Investment as of December 31, 2006 Percentage Number of of shares ownership (thousand) (%) Book value 0.20 44.44 $202,390 (46,892) (84,925) (145,821) (41,909) (20,383) 2,015 Net income (loss) of investee company $(13,516) (277,489) (145,821) Net income (loss) of investee company $5,378 (2,536) (5,189) (11,692) (2,640) (1,820) 1,016 Investment income (loss) recognized $(636) (35,899) (7,057) Investment income (loss) recognized $2,390 Note Note United Microelectronics Corporation | Annual Report 2006 Hsinchu, Taiwan Hsinchu County, Taiwan Hsinchu, Taiwan Taipei County, Taiwan Hsinchu, Taiwan STAR SEMICONDUCTOR CORP. MOBILE DEVICES INC. UWAVE TECHNOLOGY CORP. AFA TECHNOLOGY, INC. British Virgin Islands U.S.A. UC FUND II PARADE TECHNOLOGIES, LTD. ACHIEVE MADE INTERNATIONAL LTD. ECP VITA LTD. Address Sunnyvale, California, U.S.A. British Virgin Islands British Virgin Islands Investee company UMC CAPITAL (USA) UMC CAPITAL CORP. XGI TECHNOLOGY INC. Address Taipei County, Taiwan Investee company HIGH POWER LIGHTING CORP. UNITRUTH INVESTMENT CORP. IC design Investment holding Internet Content Provider Insurance Main businesses and products Investment holding Design and manufacturing of cartography chip IC design RF IC Design PHS &GSM/PHS dual mode B/B chip IC design, production and sales Main businesses and products High brightness LED package and Lighting module R&D and manufacture USD USD USD USD USD 26,400 5,600 6,950 11,463 6,617 2,500 USD 3,850 USD 1,000 USD 2,500 3,850 - 1,000 Beginning balance 200 USD 200 1,000 USD Ending balance Initial Investment 26,400 5,600 6,950 11,463 6,617 Beginning balance $- Initial Investment Ending balance $14,700 ATTACHMENT 9 (Names, locations and related information of investee companies as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 3.31 3.55 4.35 4.45 4.65 10,788 3,960 3,292 4,093 2,193 3,125 5,000 508 1,000 23.30 35.45 44.44 100.00 USD USD USD USD 2,016 3,772 948 1,550 Investment as of December 31, 2006 Percentage Number of of shares ownership (thousand) (%) Book value 200 100.00 USD 326 1,760 1,000 1,000 1,250 1,300 Investment as of December 31, 2006 Percentage Number of of shares ownership (thousand) (%) Book value 1,225 4.90 $12,875 USD USD USD USD USD (2,168) USD (918) USD (118) (515) (326) (52) 286 Investment income (loss) recognized USD 30 (5,835) (3,051) (3,000) (6,812) (4,225) Investment income (loss) recognized $(1,825) 286 USD Net income (loss) of investee company USD 30 (175,804) (83,173) (69,000) (140,837) (84,661) Net income (loss) of investee company $(57,062) Note Note Financial Review Unconsolidated 195 United Microelectronics Corporation | Annual Report 2006 Financial Review Consolidated 198 Representation Letter 199 Report of Independent Auditors 200 Consolidated Balance Sheets 201 Consolidated Statements of Income 202 Consolidated Statements of Changes in Stockholders’ Equity 203 Consolidated Statements of Cash Flows 205 Notes to Consolidated Financial Statements 260 Attachments to Notes 196 Financial Review Consolidated UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE YEARS ENDED DECEMBER 31, 2006 AND 2005 Address: No. 3 Li-Hsin Road II, Hsinchu Science Park, Hsinchu City, Taiwan, R.O.C. Telephone: 886-3-578-2258 The reader is advised that these financial statements have been prepared originally in Chinese. In the event of a conflict between these financial statements and the original Chinese version or difference in interpretation between the two versions, the Chinese language financial statements shall prevail. 197 United Microelectronics Corporation | Annual Report 2006 Letter of Representation We confirm, to the best of our knowledge and belief, the following representations: 1. The companies represented in the consolidated financial statements of “United Microelectronics Corporation and its Affiliated Enterprises” for the year ended December 31, 2006 made in accordance with “The Rules Governing Preparation of Affiliated Enterprises Consolidated Operating Report, Affiliated Enterprises Consolidated Financial Statements and Relationship Report” are the identical companies represented in the consolidated financial statements of “United Microelectronics Corporation and Subsidiaries” for the year ended December 31, 2006 made in accordance with ROC Statement of Financial Accounting Standards No. 7. 2. The disclosures to the consolidated financial statements of “United Microelectronics Corporation and Its Affiliated Enterprises” for the year ended December 31, 2006 made in accordance with “The Rules Governing Preparation of Affiliated Enterprises Consolidated Operating Report, Affiliated Enterprises Consolidated Financial Statements and Relationship Report” are fully presented in the consoli- 198 dated financial statements of “United Microelectronics Corporation and Subsidiaries” for the year ended December 31, 2006 made in accordance with ROC Statement of Financial Accounting Standards No. 7. 3. Accordingly, we will not present separately a set of consolidated financial statements of “United Microelectronics Corporation and Its Affiliated Enterprises” for the year ended December 31, 2006 made in accordance with “The Rules Governing Preparation of Affiliated Enterprises Consolidated Operating Report, Affiliated Enterprises Consolidated Financial Statements and Relationship Report”. Jackson Hu Chairman United Microelectronics Corporation February 9th, 2007 Financial Review Consolidated REPORT OF INDEPENDENT AUDITORS English Translation of a Report Originally Issued in Chinese To the Board of Directors and Stockholders of United Microelectronics Corporation We have audited the accompanying consolidated balance sheets of United Microelectronics Corporation and Subsidiaries as of December 31, 2006 and 2005, and the related consolidated statements of income, change in stockholders’ equity and cash flows for the years ended December 31, 2006 and 2005. The consolidated financial statements are the responsibility of United Microelectronics Corporation’s management. Our responsibility is to express an opinion on these financial statements based on our audits. As described in Note 4(11) to the consolidated financial statements, certain long-term investments were accounted for under the equity method based on the December 31, 2006 and 2005 financial statements of the investees, which were audited by other auditors. Our opinion insofar as it relates to the investment income amounting to NT$848 million and NT$1,031 million for the years ended December 31, 2006 and 2005, respectively, and the related long-term investment balances of NT$1,719 million and NT$6,253 million as of December 31, 2006 and 2005, respectively, is based solely on the reports of the other auditors. We conducted our audits in accordance with auditing standards generally accepted in the Republic of China and “Guidelines for Certified Public Accountants’ Examination and Reports on Financial Statements”, which require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall consolidated financial statement presentation. We believe that our audits and the reports of the other auditors provide a reasonable basis for our opinion. In our opinion, based on our audits and the reports of other auditors, the consolidated financial statements referred to above present fairly, in all material respects, the consolidated financial position of United Microelectronics Corporation and Subsidiaries as of December 31, 2006 and 2005, and the results of their consolidated operations and their consolidated cash flows for the years ended December 31, 2006 and 2005, in conformity with the “Business Entity Accounting Law”, “Guidelines Governing the Preparation of Financial Reports by Securities Issuers” and accounting principles generally accepted in the Republic of China. As described in Note 3 to the consolidated financial statements, effective from January 1, 2006, United Microelectronics Corporation and Subsidiaries have adopted the ROC Statement of Financial Accounting Standards No. 34, “Financial Instruments: Recognition and Measurement” and No. 36, “Financial Instruments: Disclosure and Presentation” to account for the financial instruments. As described in Note 3 to the consolidated financial statements, effective from January 1, 2005, United Microelectronics Corporation and Subsidiaries have adopted the ROC Statement of Financial Accounting Standards No. 35, “Accounting for Asset Impairment” to account for the impairment of its assets. Effective from January 1, 2006, goodwill is no longer subject to amortization. As described in Note 3 to the consolidated financial statements, effective from January 1, 2005, United Microelectronics Corporation and Subsidiaries have adopted the amendments to the ROC Statement of Financial Accounting Standards No. 5, “Accounting for Long-term Equity Investment”. February 9, 2007 Taipei, Taiwan Republic of China Notice to Readers The accompanying consolidated financial statements are intended only to present the consolidated financial position, results of operations and cash flows in accordance with accounting principles and practices generally accepted in the Republic of China and not those of any other jurisdictions. The standards, procedures and practices to audit such consolidated financial statements are those generally accepted and applied in the Republic of China. 199 200 2 2, 4 (24) 2, 4 (13), 4 (14), 6 Other assets Deferred charges Deferred income tax assets, noncurrent Other assets - others Total other assets Total assets 2, 3 2, 4 (14) 2 2, 3, 4 (12), 7 2, 3, 4 (8) 2, 3, 4 (9), 4 (14) 2, 3, 4 (4) 2, 3, 4 (10), 4 (14) 2, 3, 4 (11), 4 (14) 2, 4 (24) 6 2, 4 (1) 2, 3, 4 (2) 2, 3, 4 (3) 2, 3, 4 (4) 4 (5) 5 2, 4 (6) 2,5 2 2, 4 (7) Notes Intangible assets Goodwill Technological know-how Other intangible assets Total intangible assets Property, plant and equipment Land Buildings Machinery and equipment Transportation equipment Furniture and fixtures Leasehold improvements Total cost Less : Accumulated depreciation Add : Construction in progress and prepayments Property, plant and equipment, net Funds and investments Financial assets at fair value through profit or loss, noncurrent Available-for-sale financial assets, noncurrent Held-to-maturity financial assets, noncurrent Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Prepaid long-term investments Total funds and investments Current assets Cash and cash equivalents Financial assets at fair value through profit or loss, current Available-for-sale financial assets, current Held-to-maturity financial assets, current Notes receivable Notes receivable - related parties Accounts receivable, net Accounts receivable - related parties, net Other receivables Inventories, net Prepaid expenses Deferred income tax assets, current Restricted deposits Total current assets Assets $ $ $ $ Other liabilities Accrued pension liabilities Deposits-in Deferred income tax liabilities, noncurrent Deferred credits - intercompany profits Other liabilities - others Total other liabilities Long-term liabilities Bonds payable Total long-term liabilities 347,049,259 Total liabilities and stockholders' equity Total liabilities 1,893,522 21,260,902 Capital 386,920,282 Common stock 89,580 Capital collected in advance 2,804,967 Additional Paid-in Capital 43,037 Premiums 413,012,290 Treasury stock transactions (269,508,148) Change in equities of long-term investments 15,609,497 Retained earnings 159,113,639 Legal reserve Special reserve Unappropriated earnings 3,491,072 Adjustment items to stockholders' equity 359,556 Cumulative translation adjustment 182,793 Unrealized gain or loss on financial instruments 4,033,421 Treasury stock Total stockholders' equity of holding company Minority interests 2,034,569 Total stockholders' equity 4,012,314 2,196,238 8,243,121 6,812,103 1,116,806 6,574,800 16,262,856 30,000 30,796,565 108,626,800 2,468,968 2,414,153 193 62,136 13,628,434 1,420,977 891,058 10,712,535 694,669 3,386,790 555,800 144,862,513 Liabilities and Stockholders' Equity Current liabilities Short-term loans Financial liabilities at fair value through profit or loss, current Accounts payable Income tax payable Accrued expenses Other payables Payable on equipment Current portion of long-term liabilities Deferred income tax liabilities, current Other current liabilities Total current liabilities The accompanying notes are an integral part of the consolidated financial statements. 367,653,461 1,501,064 4,184,091 2,332,154 8,017,309 3,498,687 1,330 3,500,017 1,879,442 21,076,844 415,225,873 90,706 2,964,369 42,968 441,280,202 (311,696,923) 22,244,850 151,828,129 474,738 52,311,172 7,515,945 11,662,599 71,964,454 93,853,208 8,538,007 1,110,422 3,733 50,648 14,028,084 323,645 849,742 10,878,182 762,799 1,945,082 132,343,552 As of December 31, 2006 2005 English Translation of Consolidated Financial Statements Originally Issued in Chinese UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED BALANCE SHEETS December 31, 2006 and 2005 (Expressed in Thousands of New Taiwan Dollars) 2, 4 (11), 4 (19), 4 (21), 6 2, 4 (9) 4 (19), 4 (22) 2, 4 (19) 2, 4 (19), 4 (20), 4 (22) 2, 4 (24) 2 2, 4 (18) 2, 4 (17) 2, 4 (17) 2, 4 (24) 7 2 4 (15), 6 2, 3, 4 (16) Notes $ $ 367,653,461 (824,922) 27,557,845 (29,394,664) 291,164,871 6,238,018 297,402,889 16,699,508 322,150 17,774,335 61,070,555 8,938 6,627,794 191,311,927 11,405 70,250,572 3,115,420 12,282 52,585 13,245 570,174 3,763,706 30,383,076 30,383,076 342,549 985,267 4,864,771 2,071,394 7,025,328 77,319 10,130,367 9,068,283 62 1,538,450 36,103,790 $ $ 347,049,259 (241,153) (80,989) (51,332,329) 258,283,553 6,336,685 264,620,238 15,996,839 1,744,171 8,831,782 64,600,076 20,781,523 197,947,033 36,600 82,429,021 3,014,998 18,664 51,870 691,290 3,776,822 41,692,159 41,692,159 6,136,336 95,634 5,501,159 277,953 7,932,949 140,735 5,315,695 10,250,000 1,309,579 36,960,040 As of December 31, 2006 2005 United Microelectronics Corporation | Annual Report 2006 Financial Review Consolidated English Translation of Consolidated Financial Statements Originally Issued in Chinese UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF INCOME For the years ended December 31, 2006 and 2005 (Expressed in Thousands of New Taiwan Dollars, Except for Earnings per Share ) Operating revenues Sales revenues Less : Sales returns and discounts ΓΓNet Sales Other operating revenues ΓΓNet operating revenues Operating costs Cost of goods sold Other operating costs Operating costs Gross profit Unrealized intercompany profit Realized intercompany profit ΓΓGross profit-net Operating expenses ΓSales and marketing expenses General and administrative expenses Research and development expenses ΓΓSubtotal Operating income (loss) Non-operating income Interest revenue Investment gain accounted for under the equity method, net Dividend income Gain on disposal of property, plant and equipment Gain on disposal of investments Exchange gain, net Gain on recovery of market value of inventories Gain on valuation of financial assets Gain on valuation of financial liabilities Other income ΓΓSubtotal Non-operating expenses Interest expense Loss on disposal of property, plant and equipment Loss on decline in market value and obsolescence of inventories Financial expenses Impairment loss Other losses Subtotal Income from continuing operations before income tax Income tax expense Income from continuing operations Cumulative effect of changes in accounting principles (the net amount after deducted tax expense $0) Net income Attributable to: Shareholders of the parent Minority interests Net income For the year ended December 31, 2005 2006 Notes 2, 5 $109,857,465 (867,150) 108,990,315 3,013,504 112,003,819 $97,172,846 (1,959,994) 95,212,852 5,103,130 100,315,982 (88,452,676) (2,198,540) (90,651,216) 21,352,603 (105,892) 118,815 21,365,526 (86,409,480) (4,266,217) (90,675,697) 9,640,285 (118,815) 151,192 9,672,662 (3,365,678) (3,422,340) (9,418,877) (16,206,895) 5,158,631 (3,738,469) (4,387,406) (9,633,607) (17,759,482) (8,086,820) 1,562,704 1,178,103 950,546 331,767 28,651,109 316,006 750,378 306,140 862,750 34,909,503 1,055,138 1,096,985 1,051,813 177,397 10,276,618 295,179 837,315 58,853 1,038,821 15,888,119 (648,408) (107,962) (1,089,490) (230,757) (1,330,293) (73,799) (3,480,709) 36,587,425 (3,261,622) 33,325,803 (1,188,515) (1,098,854) (218,525) (268,985) (460,542) (148,606) (2,195,512) 5,605,787 (67,052) 5,538,735 (112,898) 4 (23) 2 2 4 (23), 5 2, 4 (11) 2 2 2 2 2 2 4 (12) 2 2 2, 3, 4 (14) 2 2, 4 (24) 3 Pre-tax Earnings per share-basic (NTD) Net income attributable to shareholders of the parent 2, 4 (25) Earnings per share-diluted (NTD) Net income attributable to shareholders of the parent 2, 4 (25) $32,137,288 $5,425,837 $32,619,313 (482,025) $32,137,288 $7,026,692 (1,600,855) $5,425,837 Post-tax Pre-tax Post-tax $ 1.99 $ 1.81 $ 0.38 $ 0.38 $ 1.92 $ 1.75 $ 0.37 $ 0.37 The accompanying notes are an integral part of the consolidated financial statements. 201 202 17,587,364 Stock dividends - 2, 4 (19), 4 (21) Cancellation of treasury stock 2, 4 (19), 4 (21) Cancellation of treasury stock (10,000,000) - - 2 Adjustment of additional paid-in capital accounted for under the equity method Adjustment of funds and investments disposal Exercise of employee stock options Balance as of December 31, 2006 Changes in minority interests Changes in cumulative translation adjustment 4 (19) 2 2 2, 4 (20) Changes in unrealized gain on financial instruments of investees Common stock transferred from capital collected in advance - Changes in unrealized gain on available-for-sale financial assets $ $ 11,405 - - (36,600) 11,405 - - - - - - - - - - - - - - - - - - 36,600 - - (4,040) 36,600 - - - - - - - - - - - 4,040 Collected in Advance $ $ 67,707,287 - - - 634,737 - - 66,910 (14,091,043) (62,686) - (57,972) (3,269,100) - (895,158) - - - - - - - - 85,381,599 - - - 654,314 - (28,491) - (177,419) - - - - - - - 84,933,195 Additional Paid-in Capital $ 16,699,508 - - - - - - - - - - - - - - - - - - - - 702,669 - 15,996,839 - - - - - - - - - - - - - 3,184,338 $ 12,812,501 Legal Reserve $ $ 322,150 - - - - - - - - - - - - - - - - - - - (1,422,021) - - 1,744,171 - - - - - - - - - - - - 1,653,300 - 90,871 Special Reserve Retained Earnings $ 17,774,335 - - - - - - - - - 32,619,313 (9,198,144) (6,371,128) - - (458,455) (305,636) (6,324) (895,158) (7,161,267) 1,422,021 (702,669) - 8,831,782 - - - - - 7,026,692 (1,509,640) - (1,972,855) (27,006) (17,587,364) (1,758,736) (1,653,300) (3,184,338) $ 29,498,329 Unappropriated Earnings The accompanying notes are an integral part of the consolidated financial statements. $ 191,311,927 - - 36,600 1,079,523 - 2, 4 (9) Cash dividends allocated to subsidaries - 2 Net income in 2006 - 2, 4 (21) Purchase of treasury stock 895,158 Adjustment of treasury stock due to loss of control over subsidiary 4 (19) Employee bonus - stock Additional paid-in capital transferred to common stock 458,455 Employee bonus - cash 895,158 Stock dividends - - Cash dividends Remuneration to directors and supervisors - - 4 (22) Appropriation of 2005 retained earnings Special reserve 3 (3) The effect of adopting SFAS NO. 34 197,947,033 - - 4,040 954,095 - Legal reserve 4 (19) Balance as of December 31, 2005 Changes in minority interests Changes in cumulative translation adjustment 2 2, 4 (20) Exercise of employee stock options Common stock transferred from capital collected in advance Changes in unrealized gain on financial instruments of investees - 2 2 Adjustment of additional paid-in capital accounted for under the equity method - Net income in 2005 (491,140) 1,972,855 2, 4 (21) Employee bonus - stock Purchase of treasury stock - - Cash dividends Remuneration to directors and supervisors - 177,919,819 - Appropriation of 2004 retained earnings $ Special reserve 4 (22) Balance as of January 1, 2005 Common Stock Legal reserve Notes 4 (19) Capital (Expressed in Thousands of New Taiwan Dollars) For the years ended December 31, 2006 and 2005 CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES English Translation of Consolidated Financial Statements Originally Issued in Chinese $ $ 27,557,845 - - - - 9,301,230 1,066,672 - - - - (6,826,238) - - - - - - - - - - 24,097,170 (80,989) - - - 343,724 - - - - - - - - - - (424,713) Unrealized Gain/Loss on Financial Instruments $ $ (824,922) - (603,486) - - - - - 8,170 - - - - - - - - - - - - - 11,547 (241,153) 1,078,299 - - - - - - - - - - - - - (1,319,452) Cumulative Translation Adjustment $ (29,394,664) - - - - - - - - - - 29,583,776 19,640,228 (27,286,339) - - - - - - - - - 8,878 (51,332,329) - - - - - - 2,178,199 (16,378,692) - - - - - - $ (37,140,714) Treasury Stock $ $ 6,238,018 383,358 - - - - - - - - (482,025) - - - - - - - - - - - - (791,337) 6,336,685 - - - - - (1,600,855) - - - - - - - - 8,728,877 Minority Interests Total $ 297,402,889 383,358 (603,486) - 1,725,665 9,301,230 1,066,672 66,910 (14,082,873) (62,686) 32,137,288 13,501,422 - (27,286,339) - - (305,636) (6,324) - (7,161,267) - - 24,108,717 (782,459) 264,620,238 1,078,299 - 1,645,009 343,724 (28,491) 5,425,837 - (16,378,692) - (27,006) - (1,758,736) - - $ 275,102,753 United Microelectronics Corporation | Annual Report 2006 Financial Review Consolidated English Translation of Consolidated Financial Statements Originally Issued in Chinese UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CASH FLOWS For the years ended December 31, 2006 and 2005 (Expressed in Thousands of New Taiwan Dollars) For the year ended December 31, 2006 Cash flows from operating activities: Net income attributable to shareholders of the parent Net loss attributable to minority interests Adjustments to reconcile net income to net cash provided by operating activities: Depreciation Amortization ΓBad debt reversal Loss (gain) on decline (recovery) in market value and obsolescence of inventories Loss (gain) on valuation of financial assets and liabilities Investment gain accounted for under the equity method Cash dividends received under the equity method Gain on disposal of investments Loss (gain) on disposal of property, plant and equipment Transfer of property, plant and equipment to losses and expenses Gain on reacquisition of bonds Amortization of bond discounts (premiums) Exchange gain on financial assets and liabilities Exchange (gain) loss on long-term liabilities Amortization of deferred income Impairment loss Effect from subsidiaries over which significant control is no longer held Changes in assets and liabilities: Financial assets and liabilities at fair value through profit or loss, current Notes and accounts receivable Other receivables Inventories Prepaid expenses Deferred income tax assets Other current assets Notes payable Accounts payable Income tax payable Accrued expenses Other payables Other current liabilities Accrued pension liabilities Capacity deposits Other liabilities - others Net cash provided by operating activities Cash flows from investing activities: Acquisition of financial assets and liabilities at fair value through profit or loss Acquisition of available-for-sale financial assets Acquisition of financial assets measured at cost Acquisition of long-term investments accounted for under the equity method Proceeds from disposal of financial assets at fair value through profit or loss Proceeds from disposal of available-for-sale financial assets Proceeds from disposal of financial assets measured at cost Proceeds from disposal of long-term investments accounted for under the equity method Proceeds from disposal of held-to-maturity financial assets Proceeds from capital reduction and liquidation of long-term investments Acquisition of property, plant and equipment Proceeds from disposal of property, plant and equipment Increase in deferred charges Decrease (increase) in restricted deposits Decrease (increase) in other assets Net cash used in investing activities $ 2005 32,619,313 (482,025) $ 7,026,692 (1,600,855) 44,255,730 1,826,622 (164,908) 1,089,490 131,997 (1,178,103) 1,086,996 (28,651,109) (223,805) (18,465) 87,369 (13,009) (127,179) (99,210) 1,330,293 - 51,366,170 3,278,290 (149,407) (837,315) (58,853) (984,087) 870,694 (10,276,618) 41,128 9,370 (133,042) (9,569) (2,352) 77,021 (89,762) 460,542 (264,467) (5,803,828) 783,372 97,674 (1,262,091) (78,560) (2,793) 13,924 (1,676,068) (106,504) 2,053,791 51,232 183,773 110,883 46,605 (1,668,590) (243,280) 17,184 (342,885) 54,604 (14,612) (167,875) (333,824) 34,104 (691,806) 14,366 (732,210) 301,796 (4,953) (193,249) 1,248,502 47,078,351 242,200 45,046,108 (427,202) (5,145,237) (2,281,596) (3,524,941) 74,092 18,697,235 903,019 8,202,027 204,352 (33,239,978) 587,904 (1,095,114) 555,800 (20,958) (16,510,597) (3,126,417) (2,834,658) (2,211,922) 9,755,644 2,323,314 7,178,638 1,708,260 50,725 (22,162,708) 3,084,714 (1,377,043) (555,800) 679,908 (7,487,345) 203 United Microelectronics Corporation | Annual Report 2006 English Translation of Consolidated Financial Statements Originally Issued in Chinese UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CASH FLOWS For the years ended December 31, 2006 and 2005 (Expressed in Thousands of New Taiwan Dollars) For the year ended December 31, 2006 2005 (continued) Cash flows from financing activities: Increase in short-term loans $ 204,265 Repayment of long-term loans Issuance of bonds Redemption of bonds Reacquisition of bonds $ 499,929 - (20,382,214) - 12,478,603 (10,250,000) (2,820,004) (1,844,683) (2,662,226) Remuneration paid to directors and supervisors (6,324) (27,006) Decrease in deposits-in (6,379) (204,474) (7,155,865) (1,758,736) Cash dividends (305,636) Employee bonus Purchase of treasury stock Exercise of employee stock options Increase (decrease) in minority shareholders - (27,286,339) (16,378,692) 1,725,665 1,642,008 (130,269) Net cash used in financing activities Effect of exchange rate changes on cash and cash equivalents Effect of subsidiaries change 20,826 (45,055,565) (29,591,986) (247,242) (1,536,358) (38,539) Net increase (decrease) in cash and cash equivalents (14,773,592) Cash and cash equivalents at beginning of year Cash and cash equivalents at end of year 108,626,800 814,408 7,244,827 101,381,973 $ 93,853,208 $ 108,626,800 Cash paid for interest $ 971,038 $ 1,379,098 Cash paid (refunded) for income tax $ 167,433 $ $ 38,054,650 $ 19,407,024 5,315,695 8,071,379 $ (10,130,367) 33,239,978 $ (5,315,695) 22,162,708 Supplemental disclosures of cash flow information: (129,057) Investing activities partially paid by cash: Acquisition of property, plant and equipment Add: Payable at beginning of year Less: Payable at end of year Cash paid for acquiring property, plant and equipment Investing and financing activities not affecting cash flows: Principal amount of exchangeable bonds exchanged by bondholders $ $ 15,302 64,681 The accompanying notes are an integral part of the consolidated financial statements. 204 $ (20,242) Book value of available-for-sale financial assets delivered for exchange Elimination of related balance sheet accounts Recognition of gain on disposal of available-for-sale financial assets 69,621 - $ - Financial Review Consolidated UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS December 31, 2006 and 2005 (Expressed in Thousands of New Taiwan Dollars unless Otherwise Specified) 1.HISTORY AND ORGANIZATION United Microelectronics Corporation (“UMC”) was incorporated in May 1980 and commenced operations in April 1982. UMC is a full service semiconductor wafer foundry, and provides a variety of services to satisfy customer needs. These services include intellectual property, embedded IC design, design verification, mask tooling, wafer fabrication, and testing. UMC’s common shares were publicly listed on the Taiwan Stock Exchange (TSE) in July 1985 and its American Depositary Shares (ADSs) were listed on the New York Stock Exchange (NYSE) in September 2000. Based on the resolution of the board of directors’ meeting on February 26, 2004, the effective date of UMC’s merger with SiS MICROELECTRONICS CORP. (SiSMC) was July 1, 2004. UMC was the surviving company, and SiSMC was the dissolved company. The merger was approved by the relevant government authorities. All the assets, liabilities, rights, and obligations of SiSMC have been fully incorporated into UMC since July 1, 2004. Based on the resolution of the board of directors’ meeting on August 26, 2004, UMCI LTD. had transferred its businesses, operations, and assets to UMC’s Singapore branch (the Branch) since April 1, 2005. 2.SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES The consolidated financial statements were prepared in conformity with the “Business Entity Accounting Law”, “Guidelines Governing the Preparation of Financial Reports by Securities Issuers” and accounting principles generally accepted in the Republic of China (R.O.C.). Summary of significant accounting policies is as follows: General Descriptions of Reporting Entities (1) Principles of Consolidation Effective January 1, 2005, investees in which UMC, directly or indirectly, holds more than 50% of voting rights or de facto control with less than 50% of voting rights, are consolidated into UMC’s financial statements in accordance with the amended ROC Statements of Financial Accounting Standards (SFAS) No. 7, “Consolidation of Financial Statements” (UMC and the consolidated entities are hereinafter referred to as “the Company”.) Transactions between consolidated entities are eliminated in the consolidated financial statements. Prior to January 1, 2006, the difference between the acquisition cost and the net equity of a subsidiary as of the acquisition date was amortized over 5 years; however effective January 1, 2006, goodwill arising from new acquisitions is analyzed and accounted for under the ROC SFAS No. 25, “Business Combination – Accounting Treatment under Purchase Method”, and goodwill is no longer to be amortized. 205 United Microelectronics Corporation | Annual Report 2006 (2) The consolidated entities are as follows: As of December 31, 2006 Investor Subsidiary Percentage of ownership (%) UMC UMC GROUP (USA) (UMC-USA) IC Sales 100.00 UMC UNITED MICROELECTRONICS (EUROPE) B.V. (UME BV) UMC CAPITAL CORP. IC Sales 100.00 Investment holding 100.00 Investment holding 100.00 UMC UNITED MICROELECTRONICS CORP. (SAMOA) TLC CAPITAL CO., LTD. (TLC) Investment holding 100.00 UMC UMCI LTD. (UMCI) (Note 1) Sales and manufacturing of integrated circuits 100.00 UMC FORTUNE VENTURE CAPITAL CORP. (FORTUNE) Consulting and planning for investment in new business 99.99 UMC UNITED MICRODISPLAY OPTRONICS CORP. (UMO)(Note 2) Sales and manufacturing of LCOS 81.76 UMC UMC JAPAN (UMCJ) Sales and manufacturing of integrated circuits 50.09 UMC and UMO THINTEK OPTRONICS CORP. (THINTEK) (Note 2) LCOS design, production and sales - FORTUNE UNITRUTH INVESTMENT CORP. (UNITRUTH) Investment holding 100.00 UMC CAPITAL CORP. UMC CAPITAL (USA) Investment holding 100.00 UMC CAPITAL CORP. ECP VITA LTD. Insurance 100.00 UMC UMC 206 Business nature Financial Review Consolidated As of December 31, 2005 Percentage of ownership (%) Investor Subsidiary Business nature UMC UMC UMC UMC-USA UME BV UMC CAPITAL CORP. IC Sales IC Sales Investment holding 100.00 100.00 100.00 UMC UNITED MICROELECTRONICS CORP. (SAMOA) TLC Investment holding 100.00 Investment holding 100.00 UMC UNITED FOUNDARY SERVICE, INC. (Note 3) Supervising and monitoring group projects - UMC UMCI (Note 1) Sales and manufacturing of integrated circuits 100.00 UMC FORTUNE Consulting and planning for investment in new business 99.99 UMC HSUN CHIEH INVESTMENT CO., LTD. (HSUN CHIEH) (Note 4) Investment holding 99.97 UMC UMO Sales and manufacturing of LCOS 86.72 UMC SILICON INTEGRATED SYSTEMS CORP.(SIS) (NOTE5) Sale and manufacturing of integrated circuit 16.59 UMC and UMO THINTEK LCOS design, production and sales 54.26 UMC, HSUN CHIEH UMCJ Sales and manufacturing of integrated circuits 53.49 UMC, UNITRUTH XGI TECHNOLOGY INC. (XGI) (Note 5) and FORTUNE FORTUNE UNITRUTH Cartography chip design, production and sales Investment holding 31.70 100.00 UMC CAPITAL CORP. UMC CAPITAL (USA) Investment holding 100.00 UMC CAPITAL CORP. ECP VITA LTD. Insurance 100.00 SIS SILICON INTEGRATED SYSTEMS CORP. (SIS-HK) (Note 5) IC sales 100.00 SIS SILICON INTEGRATED SYSTEMS CORP. (SIS-USA) (Note 5) IC sales 100.00 SIS INVESTAR CPU VENTURE CAPITAL FUND, INC. LDC (IVCF) (Note 6) Investment holding - XGI XGI TECHNOLOGY INC. (CAYMAN) (Note 5) Investment holding 100.00 XGI XGI TECHNOLOGY INC. (USA) (Note 5) Cartography chip design and production 100.00 UMC 207 United Microelectronics Corporation | Annual Report 2006 Note 1: Based on the resolution of the board of directors’ meeting on August 26, 2004, UMCI has transferred its businesses, operations, and assets to the Branch since April 1, 2005. Note 2: THINTEK was merged into UMO on October 1, 2006. The exchange ratio was 2.31 to 1. Note 3: UNITED FOUNDRY SERVICE, INC. completed the liquidation process in April 2005. Note 4: UMC has ceased to consolidate the gains and losses of the subsidiary and its investees in preparing the consolidated financial statements since January 2006 as UMC no longer possessed control over the subsidiary. Note 5: In conformity with the ROC SFAS No. 7, “Consolidated Financial Statements”, UMC has ceased to consolidate the gains and losses of the subsidiary and its investees in preparing the consolidated financial statements since June 27, 2005 as UMC no longer possessed control over the subsidiary. Note 6: Based on the resolution of the board of directors meeting in November 2002, IVCF was to be liquidated. The liquidation process was completed during the first quarter of 2005. Foreign Currency Transactions Transactions denominated in foreign currencies are remeasured into the local functional currencies and recorded based on the exchange rates prevailing at the transaction dates. Monetary assets and liabilities denominated in foreign currencies are remeasured into the local functional currencies at the exchange rates prevailing at the balance sheet date, with the related exchange gains or losses included in the consolidated statements of income. Translation gains or losses from investments in foreign entities are recognized as cumulative translation adjustment in consolidated stockholders’ equity. Non-monetary assets and liabilities denominated in foreign currencies that are reported at fair value with changes in fair value charged to the consolidated statements of income, are remeasured at the exchange rate at the balance sheet date, with related exchange gains or losses recorded in the consolidated statements of income. Non-monetary assets and liabilities denominated in foreign currencies that are reported at fair value with changes in fair value charged to consolidated stockholders’equity, are remeasured at the exchange rate at the balance sheet date, with related exchange gains or losses recorded as adjustment items to consolidated stockholders’ equity. Non-monetary assets and liabilities denominated in foreign currencies and reported at cost are remeasured at historical exchange rates. Use of Estimates The preparation of consolidated financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that will affect the amount of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amount of revenues and expenses during the reported period. Actual results may differ from those estimates. 208 Financial Review Consolidated Translation of Foreign Currency Financial Statements The financial statements of foreign subsidiaries and the Branch are translated into New Taiwan Dollars using the spot rates as of each financial statement date for asset and liability accounts, average exchange rates for profit and loss accounts, historical exchange rates for equity accounts, and exchange rates on dividend declaration date for dividends. The cumulative translation effects from the subsidiaries and the Branch using functional currencies other than New Taiwan Dollars are included in the cumulative translation adjustment in consolidated stockholders’ equity. Cash Equivalents Cash equivalents are short-term, highly liquid investments that are readily convertible to known amounts of cash and with maturity dates that do not present significant risks on changes in value resulting from changes in interest rates, including commercial paper with original maturities of three months or less. Financial Instruments In accordance with ROC SFAS No. 34, “Financial Instruments: Recognition and Measurement” and the “Guidelines Governing the Preparation of Financial Reports by Securities Issuers”, financial assets are classified as either financial assets at fair value through profit or loss, held-to-maturity financial assets, financial assets measured at cost, or available-for-sale financial assets. Financial liabilities are recorded at fair value through profit or loss. The Company accounts for purchase or sale of financial instruments as of the trade date, which is the date that the Company commits to purchasing or selling the asset or liability. Financial assets and financial liabilities are initially recognized at fair value plus acquisition or issuance costs. Accounting policies prior to December 31, 2005 are described in Note 3. a.Financial instruments at fair value through profit or loss Financial instruments held for short-term sale or repurchase purposes, and derivative financial instruments not qualified for hedge accounting, are classified as financial assets or liabilities at fair value through profit or loss. This category of financial instruments is measured at fair value, and changes in fair value are recognized in the consolidated statements of income. Stock of listed companies, convertible bonds, and close-end funds are measured at closing prices as of the balance sheet date. Open-end funds are measured at the unit price of the net assets as of the balance sheet date. The fair value of derivative financial instruments is determined by using valuation techniques commonly used by market participants. b.Held-to-maturity financial assets Non-derivative financial assets with fixed or determinable payments and fixed maturity are classified as held-to-maturity financial assets if the Company has both the positive intention and ability to hold the financial assets to maturity. Investments intended to be held to maturity are measured at amortized cost. The Company recognizes an impairment loss if objective evidence of impairment loss exists. However, the impairment loss may be reversed if the value of asset recovers subsequently and the Company concludes the recovery is related to improvements in events or factors that originally caused the impairment loss. The new cost basis as a result of the reversal cannot exceed the amortized cost prior to the impairment. 209 United Microelectronics Corporation | Annual Report 2006 c.Financial assets measured at cost Unlisted stock, funds, and other securities without reliable market prices are measured at cost. When objective evidence of impairment exists, the Company recognizes an impairment loss, which cannot be reversed in subsequent periods. d.Available-for-sale financial assets Available-for-sale financial assets are non-derivative financial instruments not classified as financial assets at fair value through profit or loss, held-to-maturity financial assets, loans and receivables. Subsequent measurement is calculated at fair value. Investments in listed companies are measured at closing prices as of the balance sheet date. Any gain or loss arising from the change in fair value, excluding impairment loss and exchange gain or loss arising from monetary financial assets denominated in foreign currencies, is recognized as an adjustment to consolidated stockholders’ equity until such investment is reclassified or disposed of, upon which the cumulative gain or loss previously charged to consolidated stockholders’ equity will be recorded in the consolidated statement of income. The Company recognizes an impairment loss when objective evidence of impairment exists. Any reduction in the loss of equity investments in subsequent periods will be recognized as an adjustment to consolidated stockholders’ equity. The impairment loss of a debt security may be reversed and recognized in the current year’s consolidated statement of income if the security recovers and the Company concludes the recovery is clearly related to improvements in the factors or events that originally caused the impairment. Allowance for Doubtful Accounts An allowance for doubtful accounts is provided based on management’s judgment of the collectibility and aging analysis of accounts and other receivables. Inventories Inventories are accounted for on a perpetual basis. Raw materials are recorded at actual purchase costs, while the work in process and finished goods are recorded at standard costs and adjusted to actual costs using the weighted-average method at the end of each month. Inventories are stated individually by category at the lower of aggregate cost or market value as of the balance sheet date. The market values of raw materials and supplies are determined on the basis of replacement cost while the market values of work in process and finished goods are determined by net realizable values. An allowance for loss on decline in market value or obsolescence is provided, when necessary. Long-term Investments Accounted for Under the Equity Method Long-term investments are initially recorded at acquisition cost. Investments acquired by the contribution of technological know-how are credited to deferred credits among affiliates, which will be amortized to income over a period of 5 years. Investments in which the Company has ownership of at least 20% or exercises significant influence on operating decisions are accounted for under the equity method. Prior to January 1, 2006, the difference of the acquisition cost and the underlying equity in the investee’s net assets as of acquisition date was amortized over 5 years; however, effective January 1, 2006, arising differences from new acquisitions are analyzed and accounted for under the ROC SFAS No. 25, “Business Combination – Accounting Treatment under Purchase Method”, where goodwill is no longer to be amortized. 210 Financial Review Consolidated The change in the Company’s proportionate share in the net assets of an investee resulting from its acquisition of additional stock issued by the investee at a rate not proportionate to its existing equity ownership is charged to the additional paid-in capital and long-term investments accounts. Unrealized intercompany gains and losses arising from sales from the Company to equity method investees are eliminated in proportion to the Company’s year end ownership percentage until realized through transactions with third parties. Intercompany gains and losses arising from transactions between the Company and majority-owned (above 50%) subsidiaries are eliminated entirely until realized through transactions with third parties. Unrealized intercompany gains and losses due to sales from equity method investees to the Company are eliminated in proportion to the Company’s weighted-average ownership percentage of the investee until realized through transactions with third parties. Unrealized intercompany gains and losses arising from transactions between two equity method investees are eliminated in proportion to the Company’s multiplied weighted-average ownership percentage with the investees until realized through transactions with third parties. Those intercompany gains and losses arising from transactions between two majority-owned subsidiaries are eliminated in proportion to the Company’s weighted-average ownership percentage in the subsidiary that incurred the gain or loss. If the recoverable amount of investees accounted for under the equity method is less than its carrying amount, the difference is to be recognized as impairment loss in the current period. The total value of an investment and related receivables cannot be negative. If, after the investment loss is recognized, the net book value of the investment is less than zero, the investment is reclassified to other liabilities on the consolidated balance sheet. Property, Plant and Equipment Property, plant and equipment are stated at cost. Interest incurred on loans used to finance the construction of property, plant and equipment is capitalized and depreciated accordingly. Maintenance and repairs are charged to expense as incurred. Significant renewals and improvements are treated as capital expenditures and are depreciated over their estimated useful lives. When property, plant and equipment are disposed, their original cost and accumulated depreciation are written off and the related gain or loss is classified as non-operating income or expense. Idle assets are classified as other assets at the lower of net book or net realizable value, with the difference charged to non-operating expenses. Depreciation is recognized on a straight-line basis using the estimated economic life of the assets less salvage value, if any. If the main property, plant and equipment are fully depreciated and sub property, plant and equipment are still in use, the depreciation is based on the newly estimated remaining useful life. The estimated economic life of the property, plant and equipment is as follows: buildings – 3 to 55 years; machinery and equipment – 5 to 6 years; transportation equipment – 4 to 5 years; furniture and fixtures – 2 to 20 years; leased assets and leasehold improvements – the lease period or estimated economic life, whichever is shorter. 211 United Microelectronics Corporation | Annual Report 2006 Intangible Assets Effective January 1, 2006, goodwill generated from business combinations is no longer subject to amortization. Technological know-how is stated at cost and amortized over its estimated economic life using the straight-line method. An impairment loss will be recognized when the decreases in fair value of intangible assets are other than temporary. The book value after recognizing the impairment loss is recorded as the new cost. Deferred Charges Deferred charges are stated at cost and amortized on a straight-line basis as follows: intellectual property license fees—select the shorter term of contract or estimated economic life of the related technology; and software—3 years. Prior to December 31, 2005, the issuance costs of convertible and exchangeable bonds were classified as deferred charges and amortized over the life of the bonds. Effective January 1, 2006, the unamortized amounts as of December 31, 2005 were reclassified as a bond discount and recorded as a deduction to bonds payable. The amounts are amortized using the effective interest method over the remaining life of the bonds. If the difference between the straight-line method and the effective interest method is immaterial, the amortization of the bond discount may be amortized using the straight-line method and recorded as the adjustment of interest expenses. Convertible and Exchangeable Bonds The excess of the stated redemption price over par value is accrued as interest payable and expensed over the redemption period using the effective interest method. When convertible bondholders exercise their conversion rights, the book value of the bonds is credited to common stock at an amount equal to the par value of the common stock with the excess credited to additional paid-in capital. No gain or loss is recognized on bond conversion. When exchangeable bondholders exercise their right to exchange their bonds for reference shares, the book value of the bonds is offset against the book value of the investments in reference shares and the related consolidated stockholders’ equity accounts, with the difference recognized as a gain or loss on disposal of investments. In accordance with ROC SFAS No. 34, “Financial Instruments: Recognition and Measurement” effective as of January 1, 2006, since the economic and risk characteristics of the embedded derivative instrument and the host contract are not clearly and closely related, derivative financial instruments embedded in exchangeable bonds shall be bifurcated and accounted as financial liabilities at fair value through profit or loss. 212 Financial Review Consolidated Pension Plan All regular employees are entitled to a defined benefit pension plan that is managed by an independently administered pension fund committee. Fund assets are deposited in the committee’s name in the Central Trust of China and hence, not associated with UMC. Therefore, fund assets are not to be included in UMC’s consolidated financial statements. Pension benefits for employees of the Branch and overseas subsidiaries are provided in accordance with the local regulations. The Labor Pension Act of the ROC (the Act), which adopts a defined contribution plan, became effective on July 1, 2005. Employees subject to the Labor Standards Law, a defined benefit plan, were allowed to choose to either elect the pension calculation under the Act or continue to be subject to the pension calculation under the Labor Standards Law. Those employees that elected to be subject to the Act will have their seniority achieved under the Labor Standards Law retained upon election of the Act, and UMC will make monthly contributions of no less than 6% of these employees’ monthly wages to the employees’ individual pension accounts. The accounting for UMC’s pension liability is computed in accordance with ROC SFAS No.18. Net pension costs of the defined benefit plan are recorded based on an actuarial valuation. Pension cost components such as service cost, interest cost, expected return on plan assets, the amortization of net obligation at transition, pension gain or loss, and prior service cost, are all taken into consideration by the actuary. UMC recognizes expenses from the defined contribution pension plan in the period in which the contribution becomes due. Employee Stock Option Plan The Company uses intrinsic value method to recognize compensation cost for its employee stock options issued since January 1, 2004. Under the intrinsic value method, the Company recognizes the difference between the market price of the stock on date of grant and the exercise price of its employee stock option as compensation cost. The Company also discloses pro forma net income and earnings per share under the fair value method for options granted since January 1, 2004. Treasury Stock The Company adopted ROC SFAS No. 30, “Accounting for Treasury Stocks” which requires that treasury stock held by the Company to be accounted for under the cost method. The cost of treasury stock is shown as a deduction to consolidated stockholders’ equity, while any gain or loss from selling treasury stock is treated as an adjustment to additional paid-in capital. The Company’s stock held by its subsidiaries is also treated as treasury stock. Revenue Recognition The Company recognizes revenue when persuasive evidence of an arrangement exists, the product or service has been delivered, the seller’s price to the buyer is fixed or determinable and collectibility is reasonably assured. Most of the Company’s sales transactions have shipping terms of Free on Board (FOB) or Free Carrier (FCA) shipment in which title and the risk of loss or damage is transferred to the customer upon delivery of the product to a carrier approved by the customer. 213 United Microelectronics Corporation | Annual Report 2006 Allowance for sales returns and discounts are estimated taking into consideration customer complaints, historical experiences, management judgment and any other known factors that might significantly affect collectibility. Such allowances are recorded in the same period in which sales are made. Capital Expenditure versus Operating Expenditure An expenditure is capitalized when it is probable that the Company will receive future economic benefits associated with the expenditure and the expenditure amount exceeds a predetermined amount. Otherwise, the expenditure is expensed as incurred. Income Tax The Company adopted ROC SFAS No. 22, “Accounting for Income Taxes” for inter-period and intra-period income tax allocation. The provision for income taxes includes deferred income tax assets and liabilities that are a result of temporary differences between carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes, loss carry-forward and investment tax credits. A valuation allowance on deferred income tax assets is provided to the extent that it is more likely than not that the tax benefits will not be realized. A deferred tax asset or liability is classified as current or noncurrent in accordance with the classification of its related asset or liability. However, if a deferred tax asset or liability does not relate to an asset or liability in the financial statements, then it is classified as either current or noncurrent based on the expected reversal date of the temporary difference. According to ROC SFAS No. 12, “Accounting for Income Tax Credits”, the Company recognizes the tax benefit from the purchase of equipment and technology, research and development expenditure, employee training, and certain equity investment by the flow-through method. Income tax (10%) on unappropriated earnings is recorded as expense in the year in which the shareholders have resolved that the earnings shall be retained. The Income Basic Tax Act of the R.O.C. (the IBTA) became effective on January 1, 2006. Set up by the Executive Yuan, the IBTA is a supplemental 10% tax that is payable if the income tax payable determined by the ROC Income Tax Act is below the minimum amount as prescribed by the IBTA. The IBTA is calculated based on taxable income as defined by the IBTA, which includes most income that is exempted from income tax under various legislations. The impact of the IBTA has been considered in the Company’s income tax for the current reporting period. Earnings per Share Earnings per share is computed according to ROC SFAS No. 24, “Earnings Per Share.” Basic earnings per share is computed by dividing net income (loss) by the weighted-average number of common shares outstanding during the current reporting period. Diluted earnings per share is computed by taking basic earnings per share into consideration plus additional common shares that would have been outstanding if the dilutive share equivalents had been issued. Net income (loss) is also adjusted for interest and other income or expenses derived from any underlying dilutive share equivalents. The weighted-average of outstanding shares is adjusted retroactively for stock dividends and bonus share issues. 214 Financial Review Consolidated Asset Impairment Pursuant to ROC SFAS No. 35, the Company assesses indicators of impairment for all its assets (except for goodwill) within the scope of the standard at each balance sheet date. If impairment is indicated, the Company compares the asset’s carrying amount with the recoverable amount of the assets or the cash-generating unit (CGU) associated with the asset and writes down the carrying amount to the recoverable amount where applicable. The recoverable amount is defined as the higher of fair value less the costs to sell and the values in use. For previously recognized losses, the Company assesses at the balance sheet date any indication that the impairment loss no longer exists or may have diminished. If there is any such indication, the Company recalculates the recoverable amount of the asset, and if the recoverable amount has increased as a result of the increase in the estimated service potential of the assets, the Company reverses the impairment loss so that the resulting carrying amount of the asset does not exceed the amount (net of amortization or depreciation) that would otherwise result had no impairment loss been recognized for the assets in prior years. In addition, a goodwill-allocated CGU or group of CGUs is tested for impairment each year, regardless of whether impairment is indicated. If an impairment test reveals that the carrying amount, including goodwill, of CGU or group of CGUs is greater than its recoverable amount, there is an impairment loss. The loss is first recorded against the CGU’s goodwill, with any remaining loss allocated to other assets on a pro rata basis proportionate to their carrying amounts. The write-down of goodwill cannot be reversed in subsequent periods under any circumstances. Impairment losses and reversals are classified as non-operating loss and income, respectively. 3.ACCOUNTING CHANGES Asset Impairment The Company adopted the ROC SFAS No. 35, “Accounting for Asset Impairment” to account for the impairment of its assets for its financial statements effective January 1, 2005. No retroactive adjustment is required under the standard. With such a change, the Company’s consolidated net income was reduced by NT$370 million and the consolidated earnings per share was decreased by NT$0.02. Goodwill The Company adopted the amendments to ROC SFAS No. 1, “Conceptual Framework of Financial Accounting and Preparation of Financial Statements,” SFAS No. 5, “Long-Term Investments in Equity Securities,” and SFAS No. 25, “Business Combinations—Accounting Treatment under Purchase Method,” all of which have discontinued the amortization of goodwill effective on January 1, 2006. As a result of adopting the revised SFAS No.1, revised SFAS No.5 and revised SFAS No.25 on January 1, 2006, the Company’s total assets as of December 31, 2006 are NT$ 856 million higher than if it had continued to account for goodwill under the prior year’s requirements. The consolidated net income and earnings per share for the year ended December 31, 2006, are NT$856 million and NT$0.05 higher, respectively, than if the Company had continued to account for goodwill under the prior year’s requirements. 215 United Microelectronics Corporation | Annual Report 2006 Financial Instruments (1) The Company adopted ROC SFAS No. 34, “Financial Instruments: Recognition and Measurement” and SFAS No. 36, “Financial Instruments: Disclosure and Presentation” to account for the financial instruments effective January 1, 2006. Some prior year items have been reclassified as required by ROC “Guidelines Governing the Preparation of Financial Reports by Securities Issuers,” SFAS No. 34 and No. 36 to conform with current year’s presentation. (2) The accounting policies prior to December 31, 2005 are as follows: a. Marketable Securities Marketable securities were recorded at cost at acquisition and were stated at the lower of aggregate cost or market value as of the balance sheet date. Cash dividends were recognized as dividend income at the point of receipt. Costs of money market funds and short-term notes were identified specifically while other marketable securities were determined by the weighted-average method. The market values of listed debts, equity securities and closed-end funds were determined by the average closing price during the last month of the fiscal year. The market value for open-end funds was determined by the net asset value as of the balance sheet date. The amount by which the aggregate cost exceeded the market value was reported as a loss in the current year. In subsequent periods, recovery of the market value was recognized as a gain to the extent that the market value did not exceed the original aggregate cost of the investment. b. Long-Term Investment – Cost Method or Lower of Cost or Market Value Method Investments of less than 20% of the outstanding voting rights in listed investees, where significant influence on operating decisions of the investees does not reside with the Company, were accounted for by the lower of aggregate cost or market value method. The unrealized loss resulting from the decline in market value of investments that were held for the purpose of long-term investment was deducted from the consolidated stockholders’ equity. The market value as of the balance sheet date was determined by the average closing price during the last month of the reporting period. Investments of less than 20% of the outstanding voting rights in unlisted investees were accounted for under the cost method. The Company recognized an impairment loss on investments if objective evidence existed demonstrating an other than temporary decline in fair value. The book value of the investment was written down to its fair market value. c. Derivative Financial Instruments The net receivables or payables resulting from interest rate swap and forward contracts were recorded under current assets or current liabilities before December 31, 2005. 216 Financial Review Consolidated (3) The above changes in accounting principles increased the Company’s total assets, total liabilities, and stockholders’ equity as of January 1, 2006 by NT$24,246 million, NT$1,326 million, and NT$22,920 million, respectively; and resulted in an unfavorable cumulative effect of changes in accounting principles of NT$1,189 million to be deducted from consolidated net income, thereby reducing basic earnings per share by NT$0.06 for the year ended December 31, 2006. Gains and Losses of Equity Method Investees Pursuant to revised ROC SFAS No.5, “Accounting for Long-term Investment” effective on January 1, 2005, certain gains or losses of equity investees were recognized based on the gains or losses incurred in the current period and could not be deferred to the next year. As a result of the amendment, the consolidated net income and the basic earnings per share for the year ended December 31, 2005 were reduced by NT$113 million and NT$0.01, respectively. 4.CONTENTS OF SIGNIFICANT ACCOUNTS (1) CASH AND CASH EQUIVALENTS Cash: Cash on hand Checking and savings accounts Time deposits Subtotal Cash equivalents Total 2006 As of December 31, 2005 $2,665 4,527,578 80,909,065 85,439,308 $2,814 4,150,657 91,976,196 96,129,667 8,413,900 $93,853,208 12,497,133 $108,626,800 (2) FINANCIAL ASSETS AT FAIR VALUE THROUGH PROFIT OR LOSS, CURRENT Held for trading Listed stocks Convertible bonds Total 2006 $8,094,274 443,733 $8,538,007 As of December 31, 2005 $1,250,280 1,218,688 $2,468,968 During the year ended December 31, 2006, net gain arising from the changes in fair value of financial assets at fair value through profit or loss, current, was NT$712 million. 217 United Microelectronics Corporation | Annual Report 2006 (3) AVAILABLE-FOR-SALE FINANCIAL ASSETS, CURRENT Common stock Preferred stock Total 2006 $$- As of December 31, 2005 $1,004,878 1,409,275 $2,414,153 2006 $1,110,422 $1,110,422 As of December 31, 2005 $1,116,806 (1,116,806) $- 2006 $3,733 As of December 31, 2005 $193 2006 $14,824,524 (794,444) (1,996) $14,028,084 As of December 31, 2005 $14,459,202 (681,449) (149,319) $13,628,434 (4) HELD-TO-MATURITY FINANCIAL ASSETS Credit-linked deposits and repackage bonds Less: Non-current portion Total (5) NOTES RECEIVABLE Notes receivable (6) ACCOUNTS RECEIVABLE, NET Accounts receivable Less: Allowance for sales returns and discounts Less: Allowance for doubtful accounts Net 218 Financial Review Consolidated (7) INVENTORIES, NET 2006 As of December 31, 2005 Raw materials Supplies and spare parts Work in process Finished goods Total $1,157,909 1,974,417 7,220,955 1,636,365 11,989,646 $310,393 1,917,444 8,141,427 1,140,774 11,510,038 Less: Allowance for loss on decline in market value and obsolescence Net (1,111,464) (797,503) $10,878,182 $10,712,535 Inventories were not pledged. (8) FINANCIAL ASSETS AT FAIR VALUE THROUGH PROFIT OR LOSS, NONCURRENT Convertible bonds 2006 $474,738 As of December 31, 2005 $- During the year ended December 31, 2006, net gain arising from the changes in fair value of financial assets at fair value through profit or loss, noncurrent, was NT$90 million. (9) AVAILABLE-FOR-SALE FINANCIAL ASSETS, NONCURRENT Common stock 2006 $52,311,172 As of December 31, 2005 $6,812,103 During the year ended December 31, 2006, the Company recognized a net gain of NT$8,282 million due to the changes in fair value as an adjustment to consolidated stockholders’ equity. (10)FINANCIAL ASSETS MEASURED AT COST, NONCURRENT Common stock Preferred stock Funds Total 2006 $4,614,880 2,387,508 513,557 $7,515,945 As of December 31, 2005 $3,982,342 1,957,968 634,490 $6,574,800 219 United Microelectronics Corporation | Annual Report 2006 (11)LONG-TERM INVESTMENTS ACCOUNTED FOR UNDER THE EQUITY METHOD a. Details of long-term investments accounted for under the equity method are as follows: Investee Companies 2006 Amount Percentage of Ownership or Voting Rights As of December 31, 2005 Amount Percentage of Ownership or Voting Rights Listed companies HOLTEK SEMICONDUCTOR INC. $878,747 24.45 $818,681 24.81 341,268 - 21.80 - 329,704 4,370,256 22.66 22.26 FARADAY TECHNOLOGY CORP. (Note B) - - 864,928 18.50 SILICON INTEGRATED SYSTEMS CORP. (Note B) - - 3,921,878 16.59 HARVATEK CORP. (Note C) - - 346,020 16.50 NOVATEK MICROELECTRONICS CORP. (Note B) - - 1,538,740 12.54 SERCOMM CORP. (Note C) - - 267,807 12.15 ITE TECH. INC. UNIMICRON TECHNOLOGY CORP. (UNIMICRON)(Note A) Subtotal 12,458,014 1,220,015 Unlisted companies PACIFIC VENTURE CAPITAL CO., LTD. 127,379 49.99 296,218 49.99 MTIC HOLDINGS PTE LTD. 81,402 49.94 - - ANOTO TAIWAN CORP. 32,622 49.00 - - SMEDIA TECHNOLOGY CORP. 153,830 48.73 71,848 38.32 UWAVE TECHNOLOGY CORP. 36,823 48.64 74,937 48.64 UCA TECHNOLOGY INC. 50,128 48.33 34,881 45.53 2,699,491 45.00 - - 202,390 44.44 - - 30,845 44.44 - - 959,542 42.00 638,946 42.00 19,417 41.19 30,962 33.47 WALTOP INTERNATIONAL CORP. 117,457 40.00 - - NEXPOWER TECHNOLOGY CORP. 11,976 40.00 7,982 40.00 4,674,311 36.49 - - 12,610 35.80 - - MEGA MISSION LIMITED PARTNERSHIP YUNG LI INVESTMENTS, INC. ACHIEVE MADE INTERNATIONAL LTD. UNITECH CAPITAL INC. STAR SEMICONDUCTOR CORP. HSUN CHIEH INVESTMENT CO., LTD. (HSUN CHIEH) (Note D) AEVOE INTERNATIONAL LTD. 220 Financial Review Consolidated Investee Companies UC FUND II 2006 Amount Percentage of Ownership or Voting Rights As of December 31, 2005 Amount Percentage of Ownership or Voting Rights $122,648 35.45 $133,217 35.45 108,950 35.00 - - CRYSTAL MEDIA INC. 50,649 34.03 12,803 34.36 XGI TECHNOLOGY INC. 96,685 31.62 150,477 31.70 361,378 30.63 208,833 22.18 ALLIANCE OPTOTEK CORP. 47,107 29.09 - - AMIC TECHNOLOGY CORP. 176,287 28.94 186,010 28.95 U-MEDIA COMMUNICATIONS, INC. 24,110 26.05 36,524 26.26 AFA TECHNOLOGY, INC. 40,766 24.97 38,157 30.46 MOBILE DEVICES INC. 25,076 23.86 48,555 26.28 PARADE TECHNOLOGIES, LTD. 65,560 23.30 81,949 24.63 HIGH POWER LIGHTING CORP. 60,434 23.00 - - USBEST TECHNOLOGY INC. 52,711 21.45 69,973 33.80 AEVOE INC. - - 6,674 39.47 DAVICOM SEMICONDUCTOR, INC. (Note E) - - 145,649 21.56 CHIP ADVANCED TECHNOLOGY INC. (Note E) - - 30,740 21.91 TOPPAN PHOTOMASKS TAIWAN LTD. (formerly DUPONT PHOTOMASKS TAIWAN LTD.) - - 1,063,671 45.35 ULI ELECTRONICS INC. - - 452,203 26.77 PATENTOP, LTD (Note C, F) - - 1,245 18.00 TERA XTAL TECHNOLOGY CORP. HIGHLINK TECHNOLOGY CORP. Subtotal Elimination of upstream and intercompany 10,442,584 3,822,454 - (17,612) $11,662,599 $16,262,856 transaction (Note G) Total Note A:As UMC did not have significant influence after decreasing its percentage of ownership in UNIMICRON in 2006, the investee was classified as available-for-sale financial asset. Note B:In the beginning of 2006 as UMC determined it did not have significant influence over the investee, and in accordance with ROC SFAS No. 34, the investee was classified as available-for-sale financial asset. 221 United Microelectronics Corporation | Annual Report 2006 Note C:The equity method was applied for investees in which the Company held the highest percentage of the outstanding voting rights and had significant influence on operating decisions. Note D:As of January 27, 2006, UMC sold 58.5 million shares of HSUN CHIEH. UMC’s ownership percentage decreased from 99.97% to 36.49%. As HSUN CHIEH ceased to be a subsidiary, UMC’s stock held by HSUN CHIEH was reclassified from treasury stock to long-term investments accounted for under the equity method. The reclassification increased long-term investments accounted for under the equity method and stockholders’ equity by NT$10,881 million. Note E:As the Company did not have significant influence after decreasing its percentage of ownership, these investments were classified as financial assets measured at cost in 2006. Note F:In the beginning of 2006, as the Company determined it did not have significant influence over the investee, and in compliance with the ROC SFAS No. 34, the investment in the investee was classified as financial assets measured at cost. Note G:This balance represents the unrealized balance of deferred gains or losses arising from the transfer of equity investment ownership among the affiliated companies including downstream, upstream, and intercompany transactions. The amount will be realized upon disposal of the affiliate, transactions with a third party, or the change of percentage of ownership. b.The total gains arising from investments accounted for under the equity method were NT$1,178 million and NT$1,097 million for the years ended December 31, 2006 and 2005, respectively. Among which, investment income amounted to NT$848 million and NT$1,031 million for the years ended December 31, 2006 and 2005, respectively, and the related long-term investment balances of NT$1,719 million and NT$6,253 million as of December 31, 2006 and 2005, respectively, were determined based on the investees’ financial statements audited by other auditors. c.Pursuant to the revised ROC SFAS No. 5, “Accounting for Long-term Investments” effective on January 1, 2005, investment income (loss) of UWAVE TECHNOLOGY CORP., SERCOMM CORP., HARVATEK CORP., PATENTOP, LTD., UC FUND II, RIRA ELECTRONICS, INC., VISTAPOINT, INC., AFA TECHNOLOGY, INC., STAR SEMICONDUCTOR CORP., USBEST TECHNOLOGY INC., UCA TECHNOLOGY INC., CRYSTAL MEDIA INC., U-MEDIA COMMUNICATIONS, INC., AMOD TECHNOLOGY CO., LTD., SMEDIA TECHNOLOGY CORP., and AEVOE INC. was recognized based on the gain or loss incurred in the current period, instead of the prior period. As a result of the adoption of the amendment, the consolidated net income, and the basic earnings per share for the year of 2005 were reduced by NT$113 million and NT$0.01, respectively. d.The long-term equity investments were not pledged. 222 Financial Review Consolidated (12)PROPERTY, PLANT AND EQUIPMENT As of December 31, 2006 Land Buildings Machinery and equipment Transportation equipment Furniture and fixtures Leasehold improvements Construction in progress and prepayments Total Cost Accumulated Depreciation Book Value $1,879,442 21,076,844 415,225,873 90,706 2,964,369 42,968 22,244,850 $463,525,052 $(6,807,389) (302,547,942) (61,056) (2,240,443) (40,093) $(311,696,923) $1,879,442 14,269,455 112,677,931 29,650 723,926 2,875 22,244,850 $151,828,129 As of December 31, 2005 Land Buildings Machinery and equipment Transportation equipment Furniture and fixtures Leasehold improvements Construction in progress and prepayments Total Cost Accumulated Depreciation Book Value $1,893,522 21,260,902 386,920,282 89,580 2,804,967 43,037 15,609,497 $428,621,787 $(5,969,469) (261,499,341) (63,214) (1,936,607) (39,517) $(269,508,148) $1,893,522 15,291,433 125,420,941 26,366 868,360 3,520 15,609,497 $159,113,639 a.Total interest expense before capitalization amounted to NT$648 million and NT$1,364 million for the years ended December 31, 2006 and 2005, respectively. Details of capitalized interest are as follows: Machinery and equipment Other property, plant and equipment Total interest capitalized Interest rates applied 2006 $$- For the year ended December 31, 2005 $260,294 4,397 $264,691 - 2.86%~4.20% b. Property, plant, and equipment were not pledged. 223 United Microelectronics Corporation | Annual Report 2006 (13)OTHER ASSETS - OTHERS Leased assets Deposits-out Others Total 2006 $1,333,029 738,696 260,429 $2,332,154 As of December 31, 2005 $1,366,695 678,929 150,614 $2,196,238 Please refer to Note 6 for deposits-out pledged as collateral. (14)IMPAIRMENT Available-for-sale financial assets, noncurrent Long-term investment accounted for under the equity method Financial assets measured at cost, noncurrent Technology know-how Other assets Total 2006 $825,863 As of December 31, 2005 $3,848 33,217 250,435 215,071 256,142 $1,330,293 86,259 120,000 $460,542 (15)SHORT-TERM LOANS Secured bank loans Unsecured bank loans Total Interest rates 2006 $342,549 $342,549 3.25%~5.85% As of December 31, 2005 $6,066,478 69,858 $6,136,336 1.5%~4.88% a.The Company’s unused short-term lines of credits amounted to NT$13,057 million and NT$14,658 million in 2006 and 2005, respectively. b.Assets pledged as collateral to secure these loans are detailed in Note 6. 224 Financial Review Consolidated (16)FINANCIAL LIABILITIES AT FAIR VALUE THROUGH PROFIT OR LOSS, CURRENT Interest rate swaps Derivatives embedded in exchangeable bonds Total 2006 $626,230 359,037 $985,267 As of December 31, 2005 $95,634 $95,634 During the year ended December 31, 2006, net gain arising from the changes in fair value of financial liabilities at fair value through profit or loss, current, was NT$312 million. (17)BONDS PAYABLE 2006 As of December 31, 2005 $- $3,000,000 5,250,000 7,500,000 Issued in October 2001 and due on October 2006, 3.4896% ~ 3.520% interest payable annually - 5,000,000 Issued in May ~ June 2003 and due on May ~ June 2008, 4.0% minus USD 12-Month LIBOR interest payable annually 7,500,000 7,500,000 Issued in May ~ June 2003 and due on May ~ June 2010, 4.3% minus USD 12-Month LIBOR interest payable annually 7,500,000 7,500,000 1,484,268 2,579,385 Issued in November 2003 and due on November 2013 2,225,020 3,103,719 Issued in October 2005 and due on February 2008 12,441,268 12,540,432 Zero coupon exchangeable bonds: Issued in May 2002 and due on May 2007 3,122,060 3,218,623 (Discounts) premiums on convertible bonds Subtotal Less: Current portion Net (71,257) 39,451,359 (9,068,283) $30,383,076 51,942,159 (10,250,000) $41,692,159 Domestic unsecured bonds: Issued in April 2001 and due on April 2006, 5.1195% ~ 5.1850% interest payable annually Issued in April 2001 and due on April 2008, 5.2170% ~ 5.2850% interest payable annually Zero coupon convertible bonds: Issued in March 2002 and due on March 2007 225 United Microelectronics Corporation | Annual Report 2006 a.On April 27, 2000, UMC issued five-year secured bonds amounting to NT$3,990 million. The interest was paid semi-annually with a stated interest rate of 5.6%. The bonds were repaid in installments every six months from April 27, 2002 to April 27, 2005. On April 27, 2005, the bonds were fully repaid. b.During the period from April 16 to April 27, 2001, UMC issued five-year and seven-year unsecured bonds totaling NT$15,000 million, each with a face value of NT$7,500 million. The interest is paid annually with stated interest rates of 5.1195% through 5.1850% and 5.2170% through 5.2850%, respectively. The five-year bonds and seven-year bonds are repaid starting from April 2004 to April 2006 and April 2006 to April 2008, respectively, both in three yearly installments at the rates of 30%, 30% and 40%. On April 27, 2006, the five-year bonds were fully repaid. c.During the period from October 2 to October 15, 2001, UMC issued three-year and five-year unsecured bonds totaling NT$10,000 million, each with a face value of NT$5,000 million. The interest was paid annually with stated interest rates of 3.3912% through 3.420% and 3.4896% through 3.520%, respectively. On October 15, 2006 and 2004, the five-year bonds and the three-year bonds were fully repaid, respectively. d.On May 10, 2002, UMC issued zero coupon exchangeable bonds listed on the EuroMTF Market of the Luxembourg Stock Exchange (LSE). The terms and conditions of the bonds are as follows: (a)Issue Amount: US$235 million (b)Period: May 10, 2002 ~ May 10, 2007 (c)Redemption i. UMC may redeem the bonds, in whole or in part, after three months of the issuance and prior to the maturity date, at their principal amount if the closing price of the AU Optronics Corp (AUO) common shares on the TSE, translated into US dollars at the prevailing exchange rate, for a period of 20 consecutive trading days, the last of which occurs not more than 10 days prior to the date upon which notice of such redemption is published, is at least 120% of the exchange price then in effect translated into US dollars at the rate of NT$34.645=US$ 1.00. ii. UMC may redeem the bonds, in whole, but not in part, if at least 90% in principal amount of the bonds has already been exchanged, redeemed or purchased and cancelled. iii.UMC may redeem all, but not part, of the bonds, at any time, in the event of certain changes in the ROC tax rules which would require UMC to gross up for payments of principal, or to gross up for payments of interest or premium. iv.UMC will, at the option of the bondholders, redeem such bonds on February 10, 2005 at its principal amount. 226 Financial Review Consolidated (d)Terms of Exchange i. Underlying securities: ADSs or common shares of AUO. ii. Exchange Period: The bonds are exchangeable at any time on or after June 19, 2002 and prior to April 10, 2007, into AUO common shares or AUO ADSs; provided, however, that if the exercise date falls within 5 business days from the beginning of, and during, any closed period, the right of the exchanging holder of the bonds to vote with respect to the shares it receives will be subject to certain restrictions. iii.Exchange Price and Adjustment: The exchange price is NT$44.3 per share, determined on the basis of a fixed exchange rate of NT$34.645=US$1.00. The exchange price will be subject to adjustments upon the occurrence of certain events set out in the indenture. (e)Exchange of the Bonds As of December 31, 2006 and 2005, certain bondholders have exercised their rights to exchange their bonds with the total principal amount of US$139 million and US$137 million into AUO shares, respectively. Gains arising from the exercise of exchange rights during the year ended December 31, 2006 amounted NT$65 million and was recognized as gain on disposal of investment. No bonds were exchanged during the year ended December 31, 2005. e.During the period from May 21 to June 24, 2003, UMC issued five-year and seven-year unsecured bonds totaling NT$15,000 million, each with a face value of NT$7,500 million. The interest is paid annually with stated interest rates of 4.0% minus USD 12-Month LIBOR and 4.3% minus USD 12-Month LIBOR, respectively. Stated interest rates are reset annually based on the prevailing USD 12-Month LIBOR. The five-year bonds and seven-year bonds are repayable in 2008 and 2010, respectively, upon the maturity of the bonds. f. On October 5, 2005, UMC issued zero coupon convertible bonds on the LSE. The terms and conditions of the bonds are as follows: (a)Issue Amount: US$381.4 million (b)Period: October 5, 2005 ~ February 15, 2008 (Maturity date) (c)Redemption: i. On or at any time after April 5, 2007, if the closing price of the ADSs listed on the NYSE has been at least 130% of either the conversion price or the last adjusted conversion price, for 20 out of 30 consecutive ADS trading days, UMC may redeem all, but not some only, of the bonds. ii. If at least 90% in principal amount of the bonds have already been redeemed, repurchased, cancelled or converted, UMC may redeem all, but not some only, of the bonds. 227 United Microelectronics Corporation | Annual Report 2006 iii. In the event that UMC’s ADSs or shares have officially ceased to be listed or admitted for trading on the New York Stock Exchange or the Taiwan Stock Exchange, as the case may be, each bondholder shall have the right, at such bondholder’s option, to require UMC to repurchase all, but not in part, of such bondholder’s bonds at their principal amount. iv. In the event of certain changes in taxation in the R.O.C. resulting in UMC becoming required to pay additional amounts, UMC may redeem all, but not part, of the bonds at their principal amount; bondholders may elect not to have their bonds redeemed by UMC in such event, in which case the bondholders shall not be entitled to receive payments of such additional amounts. v. If a change of control occurs with respect to UMC, each bondholder shall have the right at such bondholder’s option, to require UMC to repurchase all, but not in part, of such bondholder’s bonds at their principal amount. vi. UMC will pay the principal amount of the bonds at its maturity date, February 15, 2008. (d)Conversion: i. Conversion Period: Except for the closed period, the bonds may be converted into UMC’s ADSs on or after November 4, 2005 and on or prior to February 5, 2008. ii. Conversion Price and Adjustment: The conversion price is US$3.693 per ADS. The applicable conversion price will be subject to adjustments upon the occurrence of certain events set out in the indenture. g.On March 25, 2002, UMC’s subsidiary, UMC JAPAN (UMCJ), issued LSE-listed zero coupon convertible bonds with an aggregate principal amount of JPY17,000 million and the issue price was set at 101.75% of the principal amount. The terms and conditions of the bonds are as follows: (a)Final Redemption Unless previously converted, purchased and cancelled or redeemed, the bonds must be redeemed on March 26, 2007 at their principal amount. (b)Redemption at the Option of UMCJ i. On or at any time after March 25, 2005, UMCJ may redeem all, but not part, of the bonds if the closing price of the shares on the Japan OTC Market is at least 120% of the conversion price then in effect for at least 20 out of 30 consecutive trading days ending on the trading day immediately prior to the date of the notice of redemption; or if the principal amount that has not been redeemed, repurchased and cancelled or converted is equal to or less than 10% of original aggregate principal amount. ii. In case of a corporate split or share exchange share transfer, UMCJ may redeem all, but not part, of the bonds on or prior to the effective date of the transaction, provided that UMCJ is not able to ensure that the bondholders have the right to receive shares which they would have received had the conversion rights been exercised prior to the transaction. 228 Financial Review Consolidated iii.If a change in who controls UMCJ occurs, bondholders will be able to require UMCJ to redeem their bonds on the date that is 85 days after the change of control occurs. (c)Conversion Period At any time on or after May 3, 2002 to and including March 19, 2007. (d)Conversion Price The conversion price was set at JPY400,000 per share, subject to adjustments upon the occurrence of certain events set out in the indenture. (e)Reacquisition of the Bonds As of December 31, 2006, UMCJ has reacquired and cancelled JPY11,630 million of the bonds from the open market. The corresponding gain on the reacquisition amounting to JPY28 million as other income during the year ended December 31, 2006. As of December 31, 2005, UMCJ has reacquired and cancelled JPY7,850 million and JPY7,650 million, respectively, of the bonds from the open market. The corresponding gain on the reacquisition amounting to JPY6 million was recognized as other income during the year ended December 31, 2005. h.On November 25, 2003, UMCJ issued its second LSE-listed zero coupon convertible bonds with an aggregate principal amount of JPY21,500 million and the issue price was set at 101.25% of the principal amount. The terms and conditions of the bonds are as follows: (a)Final Redemption Unless previously converted, purchased and cancelled or redeemed, the bonds must be redeemed on November 25, 2013 at their principal amount. (b)Redemption at the Option of UMCJ i. On or at any time after November 27, 2006, UMCJ may redeem all, but not part, of the bonds if the closing price of the shares on the Japan OTC Market is at least 120% of the conversion price then in effect for at least 20 out of 30 consecutive trading days ending on the trading day immediately prior to the date of the notice of redemption; or if the principal amount that has been redeemed, repurchased and cancelled or converted is equal to or less than 10% of original aggregate principal amount. ii. In case of a corporate split or share exchange share transfer, UMCJ may redeem all, but not part, of the bonds on prior or to the effective date of the transaction, provided that UMCJ is not able to ensure that the bondholders have the right to receive shares which they would have received had the conversion rights been exercised prior to the transaction. iii.If a change in who controls UMCJ occurs, bondholders will be able to require UMCJ to redeem their bonds on the date that is 70 days after the change of control occurs. 229 United Microelectronics Corporation | Annual Report 2006 iv.UMCJ will, at the option of the bondholders, redeem such bonds on November 26, 2007 at its principal amount. (c) Conversion Period The conversion period may be any time on or after January 5, 2004 and on or prior to November 11, 2013. (d) Conversion Price The conversion price was set at JPY187,500 per share, subject to adjustment upon the occurrence of certain events set out in the indenture. (e) Reacquisition of the Bonds As of December 31, 2006, UMCJ has reacquired and cancelled JPY13,450 million and JPY4,160 million of the bonds from the open market. The corresponding gain on the reacquisition amounting to JPY38 million and it was recognized as other income. As of December 31, 2005, UMCJ had reacquired JPY10,490 million of bonds from the open market. The corresponding gain on the reacquisition amounting to JPY449 million and it was recognized as other income. i. Repayments of the above bonds in the future years are as follows: (Assuming the convertible bonds and exchangeable bonds are both paid off upon maturity.) Bonds repayable in 2007 2008 2009 2010 2011 and thereafter Total Amount $9,081,348 22,941,268 7,500,000 $39,522,616 (18)PENSION FUND a.The Labor Pension Act of the R.O.C. (the Act), which adopts a defined contribution plan, became effective on July 1, 2005. Employees subject to the Labor Standards Law, a defined benefit plan, were allowed to choose to either elect the pension calculation under the Act or continue to be subject to the pension calculation under the Labor Standards Law. Those employees that elected to be subject to the Act will have their seniority achieved under the Labor Standards Law retained upon election of the Act, and UMC will make monthly contributions of no less than 6% of these employees’ monthly wages to the employees’ individual pension accounts. UMC and its domestic subsidiaries have made monthly contributions based on each individual employee’s salary or wage to employees’ pension accounts beginning July 1, 2005, and totaled NT$372 million and NT$173 million as of December 31, 2006 and 2005, respectively. Pension benefits for employees of the Branch and subsidiaries overseas are provided in accordance with the local regulations, and the Company has contributed the amount of NT$97 million and NT$74 million as of December 31, 2006 and 2005, respectively. 230 Financial Review Consolidated b.The defined benefit plan under the Labor Standards Law is disbursed based on the units of service years and the average salary in the last month of the service year. Two units per year are awarded for the first 15 years of services while one unit per year is awarded after the completion of the fifteenth year. The total units shall not exceed 45 units. In accordance to the plan, UMC contributes an amount equivalent to 2% of the employees’ total salaries and wages on a monthly basis to the pension fund deposited at the Central Trust of China in the name of an administered pension fund committee. The unrecognized net asset or obligation at transition based on actuarial valuation is amortized on a straight-line basis over 15 years. c.Change in benefit obligation during the year: Projected benefit obligation at beginning of year Service cost Interest cost Benefits paid Gain (loss) on projected benefit obligation Projected benefit obligation at end of year For the year ended December 31, 2006 2005 $(4,778,045) $(4,354,361) (128,775) (360,107) (136,780) (143,058) 38,829 24,128 (85,973) 55,353 $(5,090,744) $(4,778,045) d.Change in pension assets during the year: Fair value of plan assets at beginning of year Actual return on plan assets Contributions from employer Benefits paid Others Fair value of plan assets at end of year For the year ended December 31, 2006 2005 $1,620,201 $1,404,130 62,850 81,453 172,475 200,167 (38,829) (24,128) 5,625 (41,421) $1,822,322 $1,620,201 e.The funding status of the pension plan is as follows: 2006 Benefit obligation Vested benefit obligation Non-vested benefit obligation Accumulated benefit obligation Effect from projected salary increase Projected benefit obligation Fair value of plan assets Funded status Unrecognized net transitional benefit obligation Unrecognized loss (gain) Adjustment required to recognize minimum liabilities Accrued pension liabilities recognized on the consolidated balance sheet As of December 31, 2005 $(55,213) (2,376,276) (2,431,489) (2,659,255) (5,090,744) 1,822,322 (3,268,422) 118,332 36,656 (1,986) $(39,069) (2,188,642) (2,227,711) (2,550,334) (4,778,045) 1,620,201 (3,157,844) 181,481 (29,043) (9,592) $(3,115,420) $(3,014,998) 231 United Microelectronics Corporation | Annual Report 2006 f. The components of the net periodic pension cost are as follows: For the year ended December 31, 2006 2005 $128,775 $360,107 136,780 143,059 (44,778) (39,577) Service cost Interest cost Expected return on plan assets Amortization of unrecognized transitional net benefit obligation Amortization of unrecognized pension gain Pension costs from subsidiaries over which significant control is no longer held Net periodic pension cost 60,441 39,232 (891) (88) - 6,978 $280,327 $509,711 The actuarial assumptions underlying are as follows: For the year ended December 31, 2006 Discount rate Rate of salary increase Expected return on plan assets UMC FORTUNE UMO 2.75% 4.50% 2.50% 2.75% 2.00% 2.75% 3.75% 4.00% 2.75% UMC JAPAN 2.00% 2.68% 2.00% For the year ended December 31, 2005 Discount rate Rate of salary increase Expected return on plan assets UMC UMO 3.00% 4.50% 3.00% 3.75% 4.00% 2.75% UMC JAPAN 2.00% 2.68% 1.00% Thintek 3.75% 4.00% 2.75% (19)CAPITAL STOCK a.UMC had 26,000 million common shares authorized to be issued, and 19,795 million common shares were issued as of December 31, 2005, each at a par value of NT$10. b.UMC had issued a total of 277 million ADSs that were traded on the NYSE as of December 31, 2005. The total number of common shares of UMC represented by all issued ADSs was 1,384 million shares as of December 31, 2005. One ADS represents five common shares. 232 Financial Review Consolidated c.On April 26, 2005, UMC cancelled 49 million shares of treasury stocks, which were bought back during the period from February 20 to April 19, 2002 for transfer to employees. d.As recommended by the board of directors, and approved by the shareholders on the meeting held on June 13, 2005, UMC issued 1,956 million new shares from capitalization of retained earnings that amounted to NT$19,560 million, of which NT$17,587 million was stock dividend and NT$1,973 million was employee bonus. The issuance process through the authority had been completed. e.Among the employee stock options issued by UMC on October 7, 2002 and January 3, 2003, 96 million shares were exercised during the year ended December 31, 2005. The issuance process through the authority had been completed. f. UMC had 26,000 million common shares authorized to be issued, and 19,131 million was issued as of December 31, 2006, each at a par value of NT$10. g.Among the employee stock options issued by UMC on October 7, 2002, January 3, 2003 and October 13, 2004, 109 million shares were exercised during the year ended December 31, 2006. The exercise of employee stock options of 47 million shares, 16 million shares and 46 million shares were issued on March 15, 2006, September 25, 2006, and December 27, 2006, respectively. The issuance process through the authority had been completed. h.On May 22, 2006 UMC cancelled 1,000 million shares of treasury stock, which were bought back during the period from February 16, 2006 to April 11, 2006 for retention of UMC’s creditability and stockholders’ interests. i. As recommended by the board of directors, and approved by the shareholders on the meeting held on June 12, 2006, UMC issued 225 million new shares from capitalization of retained earnings and additional paid-in capital that amounted to NT$2,249 million, of which NT$895 million was stock dividend, NT$459 million was employee bonus, and NT$895 million was additional paid-in capital. The issuance process through the authority had been completed. j. UMC had issued a total of 315 million ADSs, which were traded on the NYSE as of December 31, 2006. The total number of common shares of UMC represented by all issued ADSs was 1,576 million shares as of December 31, 2006. One ADS represents five common shares. 233 United Microelectronics Corporation | Annual Report 2006 (20)EMPLOYEE STOCK OPTIONS On September 11, 2002, October 8, 2003, September 30, 2004, and December 22, 2005, the Company was authorized by the Securities and Futures Bureau of the Financial Supervisory Commission, Executive Yuan, to issue employee stock options with a total number of 1 billion, 150 million, 150 million, and 350 million units, respectively. Each unit entitles an optionee to subscribe to 1 share of the Company’s common stock. Settlement upon the exercise of the options will be made through the issuance of new shares by the Company. The exercise price of the options was set at the closing price of the Company’s common stock on the date of grant. The contractual life is 6 years and an optionee may exercise the options in accordance with certain schedules as prescribed by the plan starting 2 years from the date of grant. Detailed information relevant to the employee stock options is disclosed as follows: Date of grant October 7, 2002 January 3, 2003 November 26, 2003 March 23, 2004 July 1, 2004 October 13, 2004 April 29, 2005 August 16, 2005 September 29, 2005 January 4, 2006 May 22, 2006 August 24, 2006 Total number of options granted (in thousands) Total number of options outstanding (in thousands) Exercise price (NTD) 939,000 61,000 57,330 33,330 56,590 20,200 23,460 54,350 51,990 39,290 42,058 28,140 543,834 44,571 45,443 22,110 44,460 12,905 17,790 42,610 46,675 30,690 37,040 25,830 $15.7 $17.7 $24.7 $22.9 $20.7 $17.8 $16.4 $21.6 $19.7 $17.7 $19.2 $18.4 a.A summary of the Company’s stock option plans, and related information for the years ended December 31, 2006 and 2005, are as follows: For the year ended December 31, 2006 Option (in thousands) 234 Weighted-average Exercise Price (NTD) 2005 Option (in thousands) Weighted-average Exercise Price (NTD) Outstanding at beginning of period 975,320 $17.3 973,858 $16.8 Granted 109,488 $18.4 129,800 $19.9 Exercised (109,093) $15.7 (95,814) $15.7 Forfeited (61,757) $18.8 (32,524) $18.5 Outstanding at end of period 913,958 $17.5 975,320 $17.3 Financial Review Consolidated For the year ended December 31, 2005 2006 Exercisable at end of period Option (in thousands) Weighted-average Exercise Price (NTD) Option (in thousands) Weighted-average Exercise Price (NTD) 650,268 $16.6 528,373 $16.2 Weighted-average fair value of options granted during the period (NTD) $5.7 $6.5 b.The information of the Company’s outstanding stock options as of December 31, 2006, is as follows: Authorization Date 2002.09.11 2003.10.08 2004.09.30 2005.12.22 Range of Option Exercise (in thousands) Price $15.7~$17.7 $20.7~$24.7 $16.4~$21.6 $17.7~$19.2 588,405 112,013 119,980 93,560 913,958 Outstanding Stock Options Exercisable Stock Options WeightedWeightedOption Weightedaverage average (in thousands) average Remaining Exercise Price Exercise Price Contractual (NTD) (NTD) Life (Years) 1.78 3.20 4.53 5.33 2.68 $15.9 $22.8 $19.7 $18.5 $17.5 577,608 67,095 5,565 650,268 $15.8 $23.1 $17.8 $16.6 c.The Company uses intrinsic value method to recognize compensation costs for its employee stock options issued since January 1, 2004. The compensation cost for the years ended December 31, 2006 and 2005 are nil because the Company grants options with the exercise price equal to the current market price. Pro forma information using the fair value method on net income and earnings per share is as follows: Net Income Earnings per share (NTD) Pro forma net income Pro forma earnings per share (NTD) For the year ended December 31, 2006 Basic earnings per share Diluted earnings per share $32,619,313 $32,653,291 $1.81 $1.75 $32,149,409 $32,183,387 $1.78 $1.72 For the year ended December 31, 2005 (retroactively adjusted) Net Income Earnings per share (NTD) Pro forma net income Pro forma earnings per share (NTD) Basic earnings per share $7,026,692 $0.38 $6,776,219 $0.36 Diluted earnings per share $7,035,187 $0.37 $6,784,714 $0.36 235 United Microelectronics Corporation | Annual Report 2006 The fair value of the options granted was estimated at the date of grant using the Black-Scholes options pricing model with the following assumptions for the years ended December 31, 2006 and 2005: Expected dividend yields Volatility factors of the expected market price Risk-free interest rate 2006 1.37%~1.38% 2005 1.63%~1.64% 35.57%~41.14% 40.35%~43.39% 1.88%~2.28% 1.85%~2.24% 4~5 years 4~5 years Weighted-average expected life of the options (21)TREASURY STOCK a.UMC bought back its own shares from the open market during the years ended December 31, 2006 and 2005. Details of the treasury stock transactions are as follows: For the year ended December 31, 2006 (In thousands of shares) Purpose As of January 1, 2006 Increase Decrease As of December 31, 2006 For transfer to employees 442,067 400,000 - 842,067 For conversion of the convertible bonds into shares 500,000 - - 500,000 For retention of UMC’s creditability and stockholder’s interests Total shares - 1,000,000 1,000,000 - 942,067 1,400,000 1,000,000 1,342,067 As of January 1, 2005 Increase Decrease As of December 31, 2005 241,181 250,000 49,114 442,067 - 500,000 - 500,000 241,181 750,000 49,114 942,067 For the year ended December 31, 2005 (In thousands of shares) Purpose For transfer to employees For conversion of the convertible bonds into shares Total shares b.According to the Securities and Exchange Law of the R.O.C., total shares of treasury stock should not exceed 10% of UMC’s stock issued. Total purchase amount should not exceed the sum of the retained earnings, additional paid-in capital-premiums, and realized additional paid-in capital. As such, the maximum number of shares of treasury stock that UMC could hold as of December 31, 2006 and 2005, were 1,913 million shares and 1,979 million shares with the ceiling of the amounts were NT$ 94,970 million and NT$90,851 million, respectively. 236 Financial Review Consolidated c.In compliance with Securities and Exchange Law of the R.O.C., treasury stock should not be pledged, nor should it be entitled voting rights or receive dividends. Stock held by subsidiaries is treated as treasury stock. These subsidiaries have the same rights as other stockholders except for subscription to new stock issuance. Starting June 22, 2005, stock held by subsidiaries no longer have voting rights according to the revised Companies Act. d.As of December 31, 2006, UMC’s subsidiary, FORTUNE VENTURE CAPITAL CORP., held 22 million shares of UMC’s stock, with a book value of NT$ 20.25 per share. The closing price on December 31, 2006 was NT$20.25. As of December 31, 2005, UMC’s subsidiaries, HSUN CHIEH INVESTMENT CO., LTD. and FORTUNE VENTURE CAPITAL CORP., held 600 million shares and 22 million shares, respectively, of UMC’s stock, with a book value of NT$18.98 and NT$7.87 per share, respectively. The average closing price of UMC’s stock during December 2005 was NT$18.98. (22)RETAINED EARNINGS AND DIVIDEND POLICIES According to UMC’s Articles of Incorporation, current year’s earnings, if any, shall be distributed in the following order: a.Payment of all taxes and dues; b.Offset prior years’ operation losses; c.Set aside 10% of the remaining amount after deducting items (a) and (b) as a legal reserve; d.Set aside 0.1% of the remaining amount after deducting items (a), (b), and (c) as directors’ and supervisors’ remuneration; and e.After deducting items (a), (b), and (c) above from the current year’s earnings, no less than 5% of the remaining amount together with the prior years’ unappropriated earnings is to be allocated as employees’ bonus, which will be settled through issuance of new shares of UMC, or cash. Employees of UMC’s subsidiaries, meeting certain requirements determined by the board of directors, are also eligible for the employees’ bonus. f. The distribution of the remaining portion, if any, will be recommended by the board of directors and subject to shareholders’ approval. UMC has entered a stage of sustained growth; the policy for dividend distribution should reflect factors such as the current and future investment environment, fund requirements, domestic and international competition and capital budgets; as well as the benefit of shareholders, share bonus equilibrium, and long-term financial planning. The board of directors shall make the distribution proposal annually and present it at the shareholders’ meeting. UMC’s Articles of Incorporation further provide that no more than 80% of the dividends to shareholders, if any, may be paid in the form of stock dividends. Accordingly, at least 20% of the dividends must be paid in the form of cash. The appropriation of 2006 retained earnings has not yet been recommended by the board of directors as of the date of the Report of Independent Auditors. Information on the board of directors’ recommendations and shareholders’ approval can be obtained from the “Market Observation Post System” on the website of the TSE. 237 United Microelectronics Corporation | Annual Report 2006 Details of the 2005 employee bonus settlement and directors’ and supervisors’ remuneration are as follows: For the year ended December 31, 2005 1. Settlement of employees’ bonus by issuance of new shares a. Number of shares (in thousands) b. Amount c. Percentage on total number of outstanding shares at year-end (%) 2. Settlement of employees’ bonus by cash 3. Remuneration paid to directors and supervisors 4. Effect on earnings per share before retroactive adjustments a. Basic and diluted earnings per share (NTD) b. Pro forma basic and diluted earnings per share taking into consideration employees’ bonus and directors’ and supervisors’ remuneration (NTD) As approved by the shareholders’ meeting As recommended by the board of directors Differences 45,846 $458,455 0.24 45,846 $458,455 0.24 - $305,636 $6,324 $305,636 $6,324 - $0.38/0.38 $0.34/0.34 $0.38/0.38 $0.34/0.34 - Pursuant to Article 41 of the Securities and Exchange Law of the R.O.C., a special reserve is set aside from the current net income and prior unappropriated earnings for items that are accounted for as deductions to consolidated stockholders’ equity such as unrealized loss on long-term investments and cumulative translation adjustments. However, there are the following exceptions for UMC’s investees’ unrealized loss on long-term investments arising from a merger that was recognized by UMC in proportion to UMC’s ownership percentage: a.According to the explanatory letter No. 101801 of the Securities and Futures Commission (SFC), if UMC recognizes the investees’ additional paid-in capital—excess from the merger in proportion to the ownership percentage, then the special reserve is exempted for the amount originated from the acquisition of the long-term investments. b.If UMC and its investees transfer a portion of the additional paid-in capital to increase capital, a special reserve equal to the amount of the transfer shall be provided according to the explanatory letter No.101801-1 of the SFC. c.In accordance with the explanatory letter No.170010 of the SFC applicable to listed companies, in the case where the market value of UMC’s stock held by its subsidiaries at year-end is lower than the book value, a special reserve shall be provided in UMC’s accounts in proportion to its ownership percentage. For the 2005 appropriations approved by the shareholders’ meeting on June 12, 2006, unrealized loss on long-term investments exempted from the provision of special reserve pursuant to the above regulations amounted to NT$18,208 million. 238 Financial Review Consolidated (23)OPERATING COSTS AND EXPENSES The Company’s personnel, depreciation, and amortization expenses are summarized as follows: 2006 For the year ended December 31, 2005 Operating costs Operating expenses Total Operating costs Operating expenses Total $9,003,173 $3,616,996 $12,620,169 $7,532,447 $3,421,537 $10,953,984 Labor and health insurance 546,631 192,257 738,888 538,484 206,941 745,425 Pension 571,888 184,781 756,669 566,739 191,476 758,215 99,293 72,899 172,192 247,754 155,343 403,097 42,059,492 197,673 2,183,770 1,621,260 44,243,262 1,818,933 49,260,694 935,126 2,085,525 2,250,407 51,346,219 3,185,533 Personnel expenses Salaries Other personnel expenses Depreciation Amortization The numbers of employees as of December 31, 2006 and 2005 were 14,251 and 13,278, respectively. (24)INCOME TAX a.Reconciliation between the income tax expense and the income tax calculated on pre-tax financial statement income based on the statutory tax rate is as follows: Income tax on pre-tax income at statutory tax rate Permanent and temporary differences Change in investment tax credit Change in loss carry-forward Change in valuation allowance Income Basic Tax Change in tax rate Estimated 10% income tax on unappropriated earnings Adjustment of prior year’s tax expense Income tax on interest revenue separately taxed Others Income tax expense For the year ended December 31, 2006 2005 $9,254,650 $768,584 (7,303,879) (2,469,797) (1,335,540) 6,930,316 (105,508) 885,837 (5,295,125) 2,021,375 1,269 35,501 (164,111) 20,371 1,713 1,415 5,816 75,787 $3,261,622 $67,052 239 United Microelectronics Corporation | Annual Report 2006 b.Significant components of deferred income tax assets and liabilities are as follows: Amount Deferred income tax assets Investment tax credit Loss carry-forward Pension Allowance on sales returns and discounts Allowance for loss on obsolescence of inventories Others Total deferred income tax assets Valuation allowance Net deferred income tax assets Deferred income tax liabilities Unrealized exchange gain Depreciation Others Total deferred income tax liabilities Total net deferred income tax assets 240 2006 Tax effect As of December 31, 2005 Amount Tax effect $9,559,235 3,124,419 753,074 $14,992,731 3,138,465 785,660 191,304 $19,854,167 3,009,911 790,132 $13,755,893 5,585,640 751,611 199,060 827,079 220,309 317,488 79,372 1,960,409 535,280 19,863,749 (11,775,747) $8,088,002 3,209,106 1,021,304 21,392,880 (11,576,791) $9,816,089 $ (291,391) (5,005,315) (2,673,529) $ (72,848) (1,251,329) (687,299) (2,011,476) $6,076,526 $(9,667,939) (51,870) $(2,416,985) (51,870) (2,468,855) $7,347,234 Deferred income tax assets - current Deferred income tax liabilities - current Valuation allowance Net $5,933,725 (278,346) (3,710,359) 1,945,020 $6,555,306 (3,168,516) 3,386,790 Deferred income tax assets - noncurrent Deferred income tax liabilities - noncurrent Valuation allowance Net Total net deferred income tax assets 13,930,024 (1,733,130) (8,065,388) 4,131,506 $6,076,526 14,837,574 (2,468,855) (8,408,275) 3,960,444 $7,347,234 Financial Review Consolidated c.UMC’s income tax returns for all the fiscal years up to 2003 have been assessed and approved by the Tax Authority. d.UMC was granted several four or five-year income tax exemption periods with respect to income derived from the expansion of operations. The starting date of the exemption period attributable to the expansions in 2002 had not yet been decided. The income tax exemption for other periods will expire on December 31, 2012. e.The Company earns investment tax credits for the amount invested in production equipment, research and development, employee training, and investment in high technology industry and venture capital. As of December 31, 2006, the Company’s unused investment tax credit was as follows: Expiration Year 2006 2007 2008 2009 2010 Total Investment tax credits earned Balance of unused investment tax credits $2,879,909 1,638,333 6,298,009 1,780,805 2,395,675 $14,992,731 $2,879,909 1,638,333 6,298,009 1,780,805 2,395,675 $14,992,731 f. As of December 31, 2006, the unutilized accumulated losses for the Company were as follows: Expiration Year 2006 2007 2008 2009 2010 2011 2012 2013 Total Accumulated loss $11,892,614 3,832,326 208,335 447,237 254,854 173,728 3,404,642 921,604 $21,135,340 Unutilized accumulated loss $316,509 3,832,326 208,335 447,237 254,854 173,728 3,404,642 921,604 $9,559,235 g.The balance of UMC’s imputation credit accounts as of December 31, 2006 and 2005 were NT$95 million and NT$29 million, respectively. The expected creditable ratio for 2006 and the actual creditable ratio for 2005 was 0.54% and 0%, respectively. h.UMC’s earnings generated in the year ended December 31, 1997 and prior years have been fully appropriated. 241 United Microelectronics Corporation | Annual Report 2006 (25)EARNINGS PER SHARE The Company’s capital structure is composed mainly of zero coupon convertible bonds and employee stock options. Therefore, in consideration of such complex structure, the calculated basic and diluted earnings per share for the years ended December 31, 2006 and 2005, are disclosed as follows: For the year ended December 31, 2006 Amount Income before income tax Earnings per share (NTD) Net income Shares expressed in thousands Income before income tax Net income $2.05 $1.87 Earning per share-basic (NTD) Income from operations of continued segments attributable to shareholders of the parent Cumulative effect of changes in accounting principles attributable to shareholders of the parent Net income attributable to shareholders of the parent $37,067,932 $33,807,828 18,050,962 (1,188,515) (1,188,515) (0.06) (0.06) $35,879,417 $32,619,313 $1.99 $1.81 $1.98 $1.81 Effect of dilution Employee stock options Convertible bonds payable $- $- 108,122 $33,978 $33,978 516,383 $37,101,910 $33,841,806 18,675,467 (1,188,515) (1,188,515) (0.06) (0.06) $35,913,395 $32,653,291 $1.92 $1.75 Earning per share-diluted: Income from operations of continued segments attributable to shareholders of the parent Cumulative effect of changes in accounting principles attributable to shareholders of the parent Net income attributable to shareholders of the parent 242 Financial Review Consolidated For the year ended December 31, 2005 (retroactively adjusted) Amount Income before income tax Earning per share-basic (NTD) Income from operations of continued segments attributable to shareholders of the parent Cumulative effect of changes in accounting principles attributable to shareholders of the parent Net income attributable to shareholders of the parent Earnings per share (NTD) Net income Shares expressed in thousands 18,647,462 Income before income tax Net income $0.39 $0.39 $7,174,027 $7,138,239 (111,547) (111,547) (0.01) (0.01) $7,062,480 $7,026,692 $0.38 $0.38 $- $- 161,651 $8,495 $8,495 124,498 $7,182,522 $7,146,734 18,933,611 $0.38 $0.38 (111,547) (111,547) (0.01) (0.01) $7,070,975 $7,035,187 $0.37 $0.37 Effect of dilution Employee stock options Convertible bonds payable Earning per share-diluted: Income from operations of continued segments attributable to shareholders of the parent Cumulative effect of changes in accounting principles attributable to shareholders of the parent Net income attributable to shareholders of the parent 243 United Microelectronics Corporation | Annual Report 2006 5.RELATED PARTY TRANSACTIONS (1) Name and Relationship of Related Parties 244 Name of related parties HSUN CHIEH INVESTMENT CO., LTD. HOLTEK SEMICONDUCTOR INC. (HOLTEK) UNITECH CAPITAL INC. ITE TECH. INC. AMIC TECHNOLOGY CORP. PACIFIC VENTURE CAPITAL CO., LTD. XGI TECHNOLOGY INC. HIGHLINK TECHNOLOGY CORP. MEGA MISSION LIMITED PARTNERSHIP MTIC HOLDINGS PTE. LTD. Relationship with UMC Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Equity Investee Eq.uity Investee Equity Investee Equity Investee Equity Investee TOPPAN PHOTOMASKS TAIWAN LTD. (formerly DUPONT PHOTOMASKS TAIWAN LTD.) (TOPPAN) (Disposed in March 2006) Equity Investee FARADAY TECHNOLOGY CORP. (No longer an equity investee since January 1, 2006) Equity Investee NOVATEK MICROELECTRONICS CORP. (NOVATEK) (No longer an equity investee since January 1, 2006) Equity Investee UNIMICRON TECHNOLOGY CORP. (No longer an equity investee since November, 2006) SILICON INTEGRATED SYSTEMS CORP. (SIS) Equity Investee UWAVE TECHNOLOGY CORP. (formerly UNITED RADIOTEK INC.) Subsidiary’s equity investee UCA TECHNOLOGY INC. AFA TECHNOLOGY, INC. STAR SEMICONDUCTOR CORP. USBEST TECHNOLOGY INC. SMEDIA TECHNOLOGY CORP. U-MEDIA COMMUNICATIONS, INC. CRYSTAL MEDIA INC. NEXPOWER TECHNOLOGY CORP. MOBILE DEVICES INC. ULI ELECTRONICS INC. (Disposed in February 2006) AEVOE INC. (Disposed in October 2006) Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee Subsidiary’s equity investee CHIP ADVANCED TECHNOLOGY INC. (No longer an equity investee since October, 2006) Subsidiary’s equity investee DAVICOM SEMICONDUCTOR, INC. (No longer an equity investee since December, 2006) Subsidiary’s equity investee UMC’s director Financial Review Consolidated (2) Significant Related Party Transactions a. Operating revenues SIS NOVATEK Others Total Amount $2,046,127 2,029,429 $4,075,556 2006 Percentage 2 2 4 For the year ended December 31, 2005 Amount Percentage $2,352,259 2 6,159,104 6 3,970,927 4 $12,482,290 12 The sales price to the above related parties was determined through mutual agreement based on the market conditions. The collection period for overseas sales to related parties was net 60 days, while the terms for domestic sales were month-end 30~60 days. The collection period for third party overseas sales was net 30~60 days, while the terms for third party domestic sales were month-end 30~60 days. b. Notes receivable HOLTEK Others Total Amount $49,924 724 $50,648 2006 Percentage 92 1 93 As of December 31, 2005 Amount Percentage $62,136 100 $62,136 100 2006 Percentage 1 1 2 As of December 31, 2005 Amount Percentage $1,235,010 8 226,282 1 9 1,461,292 c. Accounts receivable, net SIS Others Total Less: Allowance for sales returns and discounts Less: Allowance for doubtful accounts Net Amount $99,333 231,978 331,311 (7,666) (24,649) - (15,666) $323,645 $1,420,977 245 United Microelectronics Corporation | Annual Report 2006 d. Other transactions The Company was involved in several other transactions with related parties, including service charges and development expenses of intellectual property, totaling NT$8 million and NT$518 million for the years ended December 31, 2006 and 2005, respectively. The Company purchased approximately NT$105 million and NT$486 million of masks from TOPPAN during the years ended December 31, 2006 and 2005, respectively. 6.ASSETS PLEDGED AS COLLATERAL The assets pledged of the Company were as follows: As of December 31, 2006 Deposit-out (Time deposit) Amount Party to which asset(s) was pledged Purpose of pledge $625,846 Customs Customs duty guarantee Amount Party to which asset(s) was pledged Purpose of pledge $525,730 Customs Customs duty guarantee As of December 31,2005 Deposit-out (Time deposit) Restricted deposits (Time deposit) Deposits-out (Time deposit) The stocks of UMC held by the subsidiaries Total 555,800 The International Commercial Bank of China (Tokyo branch) 2,500 The Farmer Bank of China 21,712,280 Chinatrust Commercial Bank Short-term loans Payment guarantee Short-term loans $22,796,310 7.COMMITMENTS AND CONTINGENT LIABILITIES (1) UMC has entered into several patent license agreements and development contracts of intellectual property for a total contract amount of approximately NT$19.67 billion. Royalties and development fees for future years are NT$5.98 billion as of December 31, 2006. (2) UMC signed several construction contracts for the expansion of its factory space. As of December 31, 2006, these construction contracts have amounted to approximately NT$3.82 billion and the unpaid portion of the contracts, which was not accrued, was approximately NT$1.9 billion. (3) OAK Technology, Inc. (OAK) and UMC entered into a settlement agreement on July 31, 1997 concerning a complaint filed with the United States International Trade Commission (ITC) by OAK against UMC and others, alleging unfair trade practices based on alleged patent infringement regarding certain CD-ROM controllers (the first OAK ITC case). On October 27, 1997, OAK filed a civil action in a California federal district court, alleging claims for breach of the settlement agreement and fraudulent misrepresentation. In connection with its breach of contract and other claims, 246 Financial Review Consolidated OAK sought damages in excess of US$750 million. UMC denied the material allegations of the complaint, and asserted counterclaims against OAK for breach of contract, intentional interference with economic advantage and rescission and restitution based on fraudulent concealment and/or mistake. UMC also asserted declaratory judgment claims for invalidity and unenforceability of the relevant OAK patent. On February 9, 2006, the parties entered a settlement agreement in which UMC, OAK and Zoran (the successor to OAK) fully and finally released one another from any and all claims and liabilities arising out of the facts alleged in the district court case. The terms of settlement are confidential and, except for the obligation to keep the terms confidential, impose no obligation on UMC. (4) The Company entered into several operating lease contracts for land. These renewable operating leases are set to expire in various years through to 2032. Future minimum lease payments under those leases are as follows: For the year ended December 31, 2007 2008 2009 2010 2011 2012 and thereafter Total Amount $234,447 220,066 201,872 194,296 188,944 1,701,017 $2,740,642 (5) UMC entered into several wafer-processing contracts with its principal customers. According to the contracts, UMC shall guarantee processing capacity after receipts of customers’ deposits. (6) UMC has entered into contracts for the purchase of materials and masks with certain vendors. These contracts oblige UMC to purchase specified amounts or quantities of materials and masks. Should UMC fail to fulfill the conditions set out in the contracts, the differences between the actual purchase and the required minimum will be reconciled between UMC and its vendors. (7) On February 15, 2005, the Hsinchu District Prosecutor’s Office conducted a search of UMC’s facilities. On February 18, 2005, UMC’s former Chairman Mr. Robert H.C. Tsao, released a public statement, explaining that its assistance to Hejian Technology Corp. (Hejian) did not involve any investment or technology transfer. Furthermore, from the very beginning there was a verbal indication that, at the proper time, UMC would be compensated appropriately for its assistance, and circumstances permitting, at some time in the future, it will push through the merger between two companies. However, no promise was made by UMC and no written agreement was made and executed. Upon UMC’s request to materialize the said verbal indication by compensating in the form of either cash or equity, the Chairman of the holding company of Hejian offered 15% of the approximately 700 million outstanding shares of the holding company of Hejian in return for UMC’s past assistance and for continued assistance in the future. Immediately after UMC had received such offer, it filed an application with the Investment Commission of the Ministry of Economic Affairs on March 18, 2005 (Ref. No. 94-Lian-Tung-Tzu-0222), for their executive guidance for the successful transfer of said shares to UMC. The shareholders meeting dated June 13, 2005 resolved that to the extent permitted by law UMC shall try to get the 15% of the outstanding shares offered by the holding company of Hejian as 247 United Microelectronics Corporation | Annual Report 2006 an asset of UMC. The holding company of Hejian offered 106 million shares of its outstanding common shares in return for UMC’s assistance. The holding company of Hejian has put all such shares in escrow. UMC was informed of such escrow on August 4, 2006. The subscription price per share of the holding company of Hejian in the last offering was US$1.1. Therefore, the total market value of the said shares is worth more than US$110 million. However, UMC may not acquire the ownership of nor exercise the rights of the said shares with any potential stock dividend or cash dividend distributed in the future until the ROC laws and regulations allow UMC to acquire and exercise. In the event that any stock dividend or cash dividend is distributed, UMC’s stake in the holding company of Hejian will accumulate accordingly. In April 2005, UMC’s former Chairman Mr. Robert H.C. Tsao was personally fined with in the aggregate amount of NT$3 million by the Financial Supervisory Commission, Executive Yuan, R.O.C. (ROC FSC) for failure to disclose material information relating to Hejian in accordance with applicable rules. As a result of the imposition of the fines by the ROC FSC, UMC was also fined in the amount of NT$30,000 by Taiwan Stock Exchange (TSE) for the alleged non-compliance with the disclosure rules in relation to the material information. UMC and its former Chairman Mr. Robert H.C. Tsao have filed for administrative appeal and reconsideration with the Executive Yuan, R.O.C. and TSE, respectively. Mr. Robert H.C. Tsao’s administrative appeal was dismissed by the Execution Yuan, R.O.C. on February 21, 2006 and the ROC FSC transferred the case against Mr. Robert H.C. Tsao to the Administrative Enforcement Agency for enforcement of the fine. Mr. Robert H.C. Tsao has filed an administrative action against the ROC FSC with Taipei High Administrative Court on April 14, 2006. As of December 31, 2006, the result of such reconsideration and administrative action has not been finalized. For UMC’s assistance to Hejian Technology Corp., UMC’s former Chairman Mr. Robert H.C. Tsao, former Vice Chairman Mr. John Hsuan, and Mr. Duen-Chian Cheng, the General Manager of Fortune Venture Capital Corp., which is 99.99% owned by UMC, were indicted for violating the Business Accounting Law and breach of trust under the Criminal Law by Hsinchu District Court’s Prosecutor’s Office on January 9, 2006. Mr. Robert H.C. Tsao and Mr. John Hsuan had officially resigned from their positions of UMC’s Chairman, Vice Chairman and directors prior to the announcement of the prosecution; for this reason, at the time of the prosecution, Mr. Robert H.C. Tsao and Mr. John Hsuan no longer served as UMC’s directors and had not executed their duties as UMC’s Chairman and Vice Chairman. In the future, if a guilty judgment is pronounced by the court, such consequences would be Mr. Robert H.C. Tsao, Mr. John Hsuan and Mr. Duen-Chian Cheng’s personal concerns only; UMC would not be subject to indictment regarding this case. 248 Financial Review Consolidated On February 15, 2006, UMC was fined in the amount of NT$5 million for unauthorized investment activities in Mainland China, implicating violation of Article 35 of the Act “Governing Relations Between Peoples of the Taiwan Area and the Mainland Area” by the R.O.C. Ministry of Economic Affairs (MOEA). However, as UMC believes it was illegally and improperly fined, UMC had filed an administrative appeal against MOEA to the Executive Yuan on March 16, 2006. UMC’s administrative appeal was dismissed by the Executive Yuan, R.O.C. on October 19, 2006. UMC filed an administrative action against the R.O.C. Ministry of Economic Affairs to Taipei High Administrative Court on December 8, 2006. As of December 31, 2006, the result of such administrative action has not been finalized. 8. SIGNIFICANT DISASTER LOSS None. 9. SIGNIFICANT SUBSEQUENT EVENTS UMC has entered a stage of sustained growth. UMC determined that cash flows generated from UMC’s future operations will be sufficient for the research and development of advanced process technologies and the continued expansion of advanced manufacturing capacity, including the second 300mm fab in Taiwan’s Tainan Science Park. In order to avoid future cash levels becoming excessive and to better respond to the expectations of today’s capital markets, UMC has resolved to carry out a capital reduction of NT$ 57,394 million with the cancellation of 5,739 million of its outstanding shares, following a resolution passed at a meeting of the Board of Directors on January 23, 2007. The board of directors will decide the date of the capital reduction after the approval at the stockholders’ meeting and the authorization of the government. The exact exchange ratio for shares and the amount of the capital reduction is to be set on the record date for capital reduction. 10. OTHERS (1) Certain comparative amounts have been reclassified to conform to the current year’s presentation. (2) Financial risk management objectives and policies UMC’s principal financial instruments, other than derivatives, is comprised of cash and cash equivalents, stock, convertible bonds, open-end funds, bank loans, and bonds payable. The main purpose of these financial instruments is to manage financing for UMC’s operations. UMC also holds various other financial assets and liabilities such as accounts receivable and accounts payables, which arise directly from its operations. 249 United Microelectronics Corporation | Annual Report 2006 UMC also enters into derivative transactions, including credit-link deposits, interest rate swaps and forward currency contracts. The purpose of these derivative transactions is to mitigate interest rate risk and foreign currency exchange risk arising from UMC’s operations and financing activities. The main risks arising from UMC’s financial instruments include cash flow interest rate risk, foreign currency risk, commodity price risk, credit risk, and liquidity risk. Cash flow interest rate risk UMC utilizes interest rate swap agreements to mitigate its cash flow interest rate risk on its counter-floating rate of unsecured domestic bonds issued during the period from May 21 to June 24, 2003. The periods of the interest rate swap agreements are the same as those of the domestic bonds, which are five and seven years. The floating rate is reset annually. Foreign currency risk UMC has foreign currency risk arising from purchases or sales. UMC utilizes spot or forward contracts to mitigate foreign currency risk. UMC buys or sells the same amount of foreign currency with hedged items through forward contracts. In principal, UMC does not carry out any forward contracts for uncertain commitments. Commodity price risk UMC’s exposure to commodity price risk is minimal. Credit risk UMC trades only with established and creditworthy third parties. It is UMC’s policy that all customers who wish to trade on credit terms are subject to credit verification procedures. In addition, receivable balances are monitored on an ongoing basis, which consequently minimizes UMC’s exposure to bad debts. With respect to credit risk arising from the other financial assets of UMC, which are comprised of cash and cash equivalents, available-for-sale financial assets and certain derivative instruments, UMC’s exposure to credit risk arising from the default of counter-parties is limited to the carrying amount of these instruments. Although UMC trades only with established third parties, it will request collateral to be provided by third parties with less favorable financial positions. 250 Financial Review Consolidated Liquidity risk UMC’s objective is to maintain a balance of funding continuity and flexibility through the use of financial instruments such as cash and cash equivalents, bank loans and bonds. (3) Information of financial instruments a. Fair value of financial instruments As of December 31, 2006 Financial Assets Non-derivative Cash and cash equivalents 2005 Book Value Fair Value Book Value Fair Value $93,853,208 $93,853,208 $108,626,800 $108,626,800 8,538,007 8,538,007 2,468,968 2,438,668 Available-for-sale financial assets, current - - 2,414,153 2,900,084 Held-to-maturity financial assets, current 1,110,422 1,110,422 - - Notes receivable , accounts receivable and other receivables Restricted deposits 15,255,852 15,255,852 16,002,798 16,002,798 - - 555,800 555,800 474,738 474,738 - - Available-for-sale financial assets, noncurrent 52,311,172 52,311,172 6,812,103 30,124,523 Held-to-maturity financial assets, noncurrent - - 1,116,806 1,126,018 Financial assets measured at cost, noncurrent 7,515,945 - 6,574,800 - Long-term investments accounted for under the equity method Prepaid long-term investments Deposits-out 11,662,599 14,234,042 16,262,856 33,755,273 738,696 738,696 30,000 678,929 30,000 678,929 Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, noncurrent 251 United Microelectronics Corporation | Annual Report 2006 As of December 31, 2005 Book Value Fair Value Financial Liabilities Non-derivative Short-term loans Payables Capacity deposits (current portion) Book Value 2006 Fair Value $342,549 24,169,179 898,265 $342,549 24,169,179 898,265 $6,136,336 19,168,491 657,600 $6,136,336 19,168,491 657,600 Bonds payable (current portion included) 39,451,359 40,362,245 51,942,159 52,517,633 $626,230 $626,230 $95,634 $730,191 359,037 359,037 - - Derivative Interest rate swaps Derivatives embedded in exchangeable bonds b. The methods and assumptions used to measure the fair value of financial instruments are as follows: i. The book value of short-term financial instruments approximates their fair value due to their short maturities. Short-term financial instruments include cash and cash equivalents, notes receivable, accounts receivable, other receivables, restricted deposits, short-term loans, current portion of capacity deposits, and payables. ii. The fair value of financial assets at fair value through profit or loss and available-for-sale financial assets is based on the quoted market prices. iii.The fair value of held-to-maturity financial assets is based on the quoted market prices. If market prices are unavailable, UMC estimates the fair value based on the book value as the held-to-maturity financial assets consist principally of credit-linked deposit agreements with maturity dates less than one year, as well as bonds that can be easily liquidated in the secondary market. iv. The fair value of financial assets measured at cost is unable to estimate since those unlisted investments are not traded in the open market. v. The fair value of deposits-out is based on their book value since the deposit periods are principally within one year and renewed upon maturity. vi. The fair value of bonds payable is determined by the market price. vii.The fair value of derivative financial instruments is based on the amount UMC expects to receive (positive) or to pay (negative) assuming that the contracts are settled in advance at the balance sheet date. 252 Financial Review Consolidated c. The fair value of UMC’s financial instruments is determined by the quoted prices in active markets, or if the market for a financial instrument is not active, UMC establishes fair value by using a valuation technique: Active Market Quotation Non-derivative Financial Instruments Valuation Technique 2006.12.31 2005.12.31 2006.12.31 2005.12.31 Financial assets at fair value through profit or loss, current $8,538,007 $2,438,668 $- $- Available-for-sale financial asset, current - 2,900,084 - - 474,738 - - - Available-for-sale financial assets, noncurrent 52,311,172 30,124,523 - - Long-term investments accounted for under the equity method 14,234,042 33,755,273 - - 40,362,245 52,517,633 - - $- $- $626,230 $730,191 - - 359,037 - Financial assets Financial assets at fair value through profit or loss, noncurrent Financial liabilities Bonds payable (current portion included) Derivative Financial Instruments Financial liabilities Interest rate swaps Derivatives embedded in exchangeable bonds d. UMC recognized a gain of NT$312 million arising from the changes in fair value of financial liabilities at fair value through profit or loss for the year ended December 31, 2006. e. UMC’s financial liability with cash flow interest rate risk exposure as of December 31, 2006 amounted to NT$626 million. f. During the year ended December 31, 2006, total interest revenue and interest expense for financial assets or liabilities that are not at fair value through profit or loss were NT$1,563 million and NT$648 million, respectively, while interest revenue and expense for the year ended December 31, 2005 amounted to NT$1,055 million and NT$1,099 million, respectively. 253 United Microelectronics Corporation | Annual Report 2006 (4) UMC and its subsidiary, UMC JAPAN, held credit-linked deposits and repackage bonds recognized as held-to maturity financial assets for the earning of interest income. The details are disclosed as follows: a. Principal amount in original currency As of December 31, 2006 UMC Credit-linked deposits and repackage bonds referenced to Amount Due Date SILICONWARE PRECISION INDUSTRIES CO., LTD. European Convertible Bonds and Loans NTD 400 million 2007.02.05 SILICONWARE PRECISION INDUSTRIES CO., LTD. European Convertible Bonds and Loans NTD 200 million 2007.02.05 JPY 640 million 2007.03.28 NTD 200 million 2007.09.25 Amount Due Date 500 million 2007.03.29 UMC JAPAN European Convertible Bonds ADVANCED SEMICONDUCTOR ENGINEERING INC. European Convertible Bonds and Loans UMC JAPAN Credit-linked deposits and repackage bonds referenced to UMC JAPAN European Convertible Bonds JPY As of December 31, 2005 UMC Credit-linked deposits and repackage bonds referenced to Amount Due Date SILICONWARE PRECISION INDUSTRIES CO., LTD. European Convertible Bonds and Loans NTD 400 million 2007.02.05 SILICONWARE PRECISION INDUSTRIES CO., LTD. European Convertible Bonds and Loans UMC JAPAN European Convertible Bonds NTD 200 million 2007.02.05 JPY 640 million 2007.03.28 ADVANCED SEMICONDUCTOR ENGINEERING INC. European Convertible Bonds and Loans NTD 200 million 2007.09.25 JPY Amount 500 million Due Date 2007.03.29 UMC JAPAN Credit-linked deposits and repackage bonds referenced to UMC JAPAN European Convertible Bonds 254 Financial Review Consolidated b. Credit risk The counterparties of the above investments are major international financial institutions. The repayment in full of these investments is subject to the non-occurrence of one or more credit events, which are referenced to the entities’ fulfillment of their own obligations as well as repayment of their corporate bonds. Upon the occurrence of one or more of such credit events, UMC and its subsidiary, UMC JAPAN, may receive less than the full amount of these investments or nothing. UMC and its subsidiary, UMC JAPAN, have selected reference entities with high credit ratings to minimize the credit risk. c. Liquidity risk Early withdrawal is not allowed for the above investments unless called by the issuer. However, the anticipated liquidity risk is low since most of the investments will either have matured within one year, or are relatively liquid in the secondary market. d. Market risk There is no market risk for the above investments except for the fluctuations in the exchange rates of US Dollars and Japanese Yen to NT Dollars at the balance sheet date and the settlement date. (5) UMC and its subsidiary, UMC JAPAN, entered into interest rate swap and forward contracts for hedging the interest rate risk arising from the counter-floating rate of domestic bonds and for hedging the exchange rate risk arising from the net assets or liabilities denominated in foreign currency. The hedging strategy was developed with the objective to reduce the market risk for non-trading purpose. The relevant information on the derivative financial instruments entered into by UMC is as follows: a. UMC utilized interest rate swap agreements to hedge its interest rate risk on its counter-floating rate of unsecured domestic bonds issued during the period from May 21 to June 24, 2003. The periods of the interest rate swap agreements are the same as those of the domestic bonds, which are five and seven years. The floating rate is reset annually. The details of interest rate swap agreements are summarized as follows: As of December 31, 2006 and 2005, UMC had the following interest rate swap agreements in effect: Notional Amount Contract Period Interest Rate Received Interest Rate Paid NT$7,500 million May 21, 2003 to June 24, 2008 4.0% minus USD 12-Month LIBOR 1.52% NT$7,500 million May 21, 2003 to June 24, 2010 4.3% minus USD 12-Month LIBOR 1.48% 255 United Microelectronics Corporation | Annual Report 2006 b. Transaction risk (a)Credit risk There is no significant credit risk exposure with respect to the above transactions as the counter-parties are reputable financial institutions with good global standing. (b)Liquidity and cash flow risk The cash flow requirements on the interest rate swap agreements are limited to the net interest payables or receivables arising from the differences in the swap rates. The cash flow requirements on forward contracts are limited to the net difference between the forward and spot rates at the settlement date. Therefore, no significant cash flow risk is anticipated since the working capital is sufficient to meet the cash flow requirements. (c)Market risk Interest rate swap agreements and forward contracts are intended for hedging purposes. Gains or losses arising from the fluctuations in interest rates and exchange rates are likely to be offset against the gains or losses from the hedged items. As a result, no significant exposure to market risk is anticipated. c. The presentation of derivative financial instruments on financial statements UMC As of December 31, 2006 and 2005, the interest rate swap agreements were classified as current liabilities amounting to NT$626 million and NT$96 million, respectively. The exchange loss arising from forward contracts was NT$415 million for the year ended December 31, 2005 and recorded in non-operating expenses in the accompanying consolidated statement of income. UMC JAPAN The exchange (loss) gain arising from forward contracts was JPY$(7.5) million and JPY$25.4 million and recorded in non-operating (expense) revenue in the accompanying consolidated statements of income for the years ended December 31, 2006 and 2005, respectively. (6) Significant intercompany transactions among consolidated entities for the years ended December 31, 2006 and 2005 are disclosed in Attachment 1. 256 Financial Review Consolidated (7) Details of subsidiaries that hold UMC’s stock are as follows: As of December 31, 2006 Subsidiary No. of Shares (in thousands) Amount Purpose 22,070 $446,914 Long-term investment No. of Shares (in thousands) Amount Purpose 599,696 $11,379,238 Long-term investment 21,847 171,857 Long-term investment FORTUNE VENTURE CAPITAL CORP. As of December 31, 2005 Subsidiary HSUN CHIEH INVESTMENT CO., LTD. FORTUNE VENTURE CAPITAL CORP. 11. ADDITIONAL DISCLOSURES (1) The following are additional disclosures for UMC and its affiliates as required by the ROC Securities and Futures Bureau: a. Financing provided to others for the year ended December 31, 2006: please refer to Attachment 2. b. Endorsement/Guarantee provided to others for the year ended December 31, 2006: please refer to Attachment 3. c. Securities held as of December 31, 2006: please refer to Attachment 4. d. Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006: please refer to Attachment 5. e. Acquisition of individual real estate with amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006: please refer to Attachment 6. f. Disposal of individual real estate with amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006: please refer to Attachment 7. g. Related party transactions for purchases and sales amounts exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006: please refer to Attachment 8. h. Receivables from related parties with amounts exceeding the lower of NT$100 million or 20 percent of capital stock as of December 31, 2006: please refer to Attachment 9. 257 United Microelectronics Corporation | Annual Report 2006 i.Names, locations and related information of investees as of December 31, 2006: please refer to Attachment 10. j. Financial instruments and derivative transactions: Please refer to Note 10. (2) Investment in Mainland China None. 12. SEGMENT INFORMATION (1) Operations in different industries The Company’s major business is operating as a full service semiconductor foundry. (2) Operations in different geographic areas For the year ended December 31, 2006 Sales to unaffiliated customers Sales between geographic areas Net operating revenues Gross profit Taiwan Asia, excluding Taiwan North America Europe and others Eliminations Consolidated $38,310,762 $9,511,367 $55,616,919 $8,564,771 $- $112,003,819 50,953,904 14,961,088 - - (65,914,992) - $89,264,666 $20,276,206 $24,472,455 $46,601 $55,616,919 $992,481 $8,564,771 $88,680 $(65,914,992) $(38,442) $112,003,819 $21,365,526 Taiwan Asia, excluding Taiwan North America For the year ended December 31, 2006 Europe and Eliminations Consolidated others Operating expenses Non-operating income (16,206,895) 34,909,503 Non-operating expenses (3,480,709) Income before income tax and minority interests Minority interests loss Identifiable assets Funds and long-term investments Total assets 258 $36,587,425 $482,025 $217,650,324 $94,139,276 $6,646,311 $2,544,093 $(25,290,997) $295,689,007 71,964,454 $367,653,461 Financial Review Consolidated For the year ended December 31, 2005 Taiwan Asia, excluding Taiwan North America Europe and others Eliminations Consolidated Sales to unaffiliated customers $43,245,624 $6,627,031 $43,506,307 $6,937,020 $- $100,315,982 Sales between geographic areas 47,349,058 6,734,820 44,458 - (54,128,336) - Net operating revenues $90,594,682 $13,361,851 $43,550,765 $6,937,020 $(54,128,336) $100,315,982 Gross profit Operating expenses $14,357,973 $(5,427,549) $701,590 $64,214 $(23,566) $9,672,662 (17,759,482) Non-operating income 15,888,119 Non-operating expenses (2,195,512) Income before income tax and minority interests Minority interests loss Identifiable assets $5,605,787 $247,228,232 $86,155,818 $5,968,463 $1,149,973 $(24,249,792) Funds and long-term investments $1,600,855 $316,252,694 30,796,565 Total assets $347,049,259 (3) Export sales Export sales to unaffiliated customers is less than 10% of the total sales amount on the consolidated statements of income; therefore disclosure is not required. (4) Major customers Individual customers accounting for at least 10% of net sales for the years ended December 31, 2006 and 2005 are as follows: Customer A Customer B Total Sales amount $24,475,058 10,243,818 $34,718,876 2006 Percentage 22 9 31 For the year ended December 31, 2005 Sales amount Percentage $17,844,440 18 10,528,973 10 $28,373,413 28 259 260 Sales Accounts receivable Sales Accounts receivable Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method 1 1 1 1 1 1 1 UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UMC JAPAN FORTUNE VENTURE CAPITAL CORP. 0 0 0 0 0 0 0 0 1 2 UNITRUTH INVESTMENT CORP. UMC GROUP (USA) UMC JAPAN UMC CAPITAL CORP. TLC CAPITAL CO., LTD. UMC JAPAN UMC JAPAN UNITED MICROELECTRONICS (EUROPE) B.V. UNITED MICROELECTRONICS (EUROPE) B.V. UMC GROUP (USA) Sales Long-term investments accounted for under the equity method 3 3 Long-term investments accounted for under the equity method Other current liabilities 1 UNITED MICROELECTRONICS CORPORATION 0 1 Accounts receivable 1 UMC GROUP (USA) Sales (Note 2) UMC GROUP (USA) Account UNITED MICROELECTRONICS CORPORATION Counterparty 0 Related Party Relationship with the Company (Note1) No. For the year ended December 31, 2006 (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 1 (Significant intercompany transactions between consolidated entities) 400,000 129,703 132,462 1,665,000 3,000,000 401,039 2,835,621 734,440 8,455,595 650,400 5,118,532 $54,476,329 Amount - Net 55 days - - - - Net 60 days - Net 60 days - - Net 60 days Terms (Note 3) Transactions - - - - 1% - 3% - 8% - 1% 49% Percentage of consolidated operating revenues or consolidated total assets (Note 4) United Microelectronics Corporation | Annual Report 2006 Purchase Sales 1 1 1 UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION UNITED MICROELECTRONICS CORPORATION FORTUNE VENTURE CAPITAL CORP. 0 0 0 0 0 0 0 0 0 1 UNITED MICROELECTRONICS CORPORATION SILICON INTEGRATED SYSTEMS CORP. UNITED MICRODISPLAY OPTRONICS CORP. UMC CAPITAL CORP. TLC CAPITAL CO., LTD. FORTUNE VENTURE CAPITAL CORP. UMC JAPAN UMC JAPAN UMCI LTD. UNITED MICROELECTRONICS (EUROPE) B.V. UNITED MICROELECTRONICS (EUROPE) B.V. Sales Available-for-sale financial assets, noncurrent 1 2 Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method 1 1 Long-term investments accounted for under the equity method 1 Long-term investments accounted for under the equity method Accounts receivable 1 UNITED MICROELECTRONICS CORPORATION 0 UMC GROUP (USA) 1 Sales 1 UNITED MICROELECTRONICS CORPORATION 0 Accounts receivable Other current liabilities 1 UNITED MICROELECTRONICS CORPORATION 0 1 Accounts receivable 1 UMC GROUP (USA) Sales (Note 2) UMC GROUP (USA) Account UNITED MICROELECTRONICS CORPORATION Counterparty 0 Related Party Relationship with the Company (Note1) No. For the year ended December 31, 2005 (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 1 (Significant intercompany transactions between consolidated entities) - - - - Net 60 days - Net 60 days - Net 60 days - - Net 60 days Terms (Note 3) 326,071 - 1,433,057 Month-end 45 Days 189,625 634,612 3,000,000 2,000,000 333,157 1,107,574 1,244,347 545,166 6,839,285 655,600 4,559,933 $43,226,036 Amount Transactions - 1% - - 1% 1% - 1% 1% - 7% - 1% 43% Percentage of consolidated operating revenues or consolidated total assets (Note 4) Financial Review Consolidated 261 262 Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method 3 3 3 3 3 3 HSUN CHIEH INVESTMENT CO., LTD. HSUN CHIEH INVESTMENT CO., LTD. HSUN CHIEH INVESTMENT CO., LTD. HSUN CHIEH INVESTMENT CO., LTD. HSUN CHIEH INVESTMENT CO., LTD. 2 2 2 2 2 Note 4: The percentage with respect to the consolidated asset/liability for transactions of balance sheet items are based on each item's balance at period-end. ޓ ޓޓFor profit or loss items, cumulative balances are used as basis. Note 3: The sales price to the above related parties was determined through mutual agreement based on the market conditions. ޓޓޓ3. Subsidiary to subsidiary. ޓޓޓ2. Subsidiary to holding company. ޓޓޓ1. The holding company to subsidiary. Note 2: Transactions are categorized as follows㧦 ޓޓޓ2. The subsidiaries are coded consecutively beginning from "1" in the order presented in the table above. Note 1: UMC and its subsidiaries are coded as follows: ޓޓޓ1. UMC is coded "0". UMC CAPITAL CORP. UMC CAPITAL CORP. UNITRUTH INVESTMENT CORP. FORTUNE VENTURE CAPITAL CORP. FORTUNE VENTURE CAPITAL CORP. Available-for-sale financial assets, noncurrent (Note 2) HSUN CHIEH INVESTMENT CO., LTD. Account FORTUNE VENTURE CAPITAL CORP. Counterparty 1 Related Party Relationship with the Company (Note1) No. For the year ended December 31, 2005 (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 1 (Significant intercompany transactions between consolidated entities) 130,336 176,495 208,551 351,108 769,598 $140,794 Amount - - - - - - Terms (Note 3) Transactions - - - - - - Percentage of consolidated operating revenues or consolidated total assets (Note 4) United Microelectronics Corporation | Annual Report 2006 Counter-party $- Note 2 : Need for short-term financing. ޓޓޓ2. The subsidiaries are coded consecutively beginning from "1" in the order presented in the table above. ޓޓޓ1. UMC is coded "0". USD 691 Financial statement Maximum balance for Ending balance account the period UMC GROUP (USA) Former Employees Receivable from employees Lender Note 1: UMC and its subsidiaries are coded as follows: 1 No. (Note 1) (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 2 (Financing provided to others for the year ended December 31, 2006) 7% Interest rate Note 2 Nature of financing $- Amount of sales to (purchases from) counter-party Employee loan Reason for financing $- Allowance for doubtful accounts - Item - Value Collateral N/A Limit of financing amount for individual counter-party N/A Limit of total financing amount Financial Review Consolidated 263 264 UMC 0 UMC JAPAN Receiving party 2 Relationship (Note 2) $7,501,548 JPY 10,400,000 Limit of guarantee/endorsement amount for receiving Maximum balance for the period party (Note 3) $- Ending balance Note 1: UMC and its subsidiaries are coded as follows: ޓ ޓޓ1. UMC is coded "0". ޓ ޓޓ2. The subsidiaries are coded consecutively beginning from "1" in the order presented in the table above. Note 2: According to the "Guidelines Governing the Preparation of Financial Reports by Securities Issuers" issued by the R.O.C. Securities and Futures Bureau, receiving parties should be disclosed as one of the following: 1. An investee company that has a business relationship with UMC. 2. A subsidary in which UMC holds directly over 50% of equity interest. 3. An investee in which UMC and its subsidaries hold over 50% of equity interest. 4. An investee in which UMC holds directly and indirectly over 50% of equity interest. 5. An investee that has provided guarantees to UMC, and vice versa, due to contractual requirements. 6. An investee in which UMC conjunctly invests with other shareholders, and for which UMC has provided endorsement/guarantee in proportion to its shareholding percentage. Note 3: Limit of guarantee/endorsement amount for receiving party shall not exceed the lower of receiving party's capital stock or 10% of UMC's capital stock. Note 4: Limit of total guarantee/endorsement amount equals 40% of UMC's capital stock as of December 31, 2006. Endorsor/Guarantor No. (Note 1) (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 3 (Endorsement/Guarantee provided to others for the year ended December 31, 2006) $- - Percentage of accumulated guarantee amount to net Amount of collateral assets value from the latest guarantee/endorsement financial statement $76,524,771 Limit of total guarantee/endorsement amount (Note 4) United Microelectronics Corporation | Annual Report 2006 UMC GROUP (USA) UNITED MICROELECTRONICS (EUROPE) B.V. UMC CAPITAL CORP. UNITED MICROELECTRONICS CORP. (SAMOA) UMCI LTD. Stock Stock Stock Stock Stock Stock Stock CHINA DEVELOPMENT FINANCIAL HOLDING CORP. SILICONWARE PRECISION INDUSTRIES CO., LTD. YANG MING MARINE TRANSPORT CORP. Stock Stock MICRONAS SEMICONDUCTOR HOLDING AG ACTION ELECTRONICS CO., LTD. Stock CHANG WAH ELECTRONMATERIALS INC. Convertible bonds L&K ENGINEERING CO., LTD. TATUNG CO. Convertible bonds Stock FIRICH ENTERPRISES CO., LTD Convertible bonds PROMOS TECHNOLOGIES INC. TOPOINT TECHNOLOGY CO., LTD. Convertible bonds Stock EDOM TECHNOLOGY CO., LTD. Convertible bonds Name of securities QUANTA STORAGE INC. Convertible bonds Type of securities UNITED MICROELECTRONICS CORPORATION (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 4 (Securities held as of December 31, 2006) Investee company Investee company Investee company Investee company Investee company - - - - - - - - - - - - - Relationship Financial statement account Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method 880,006 280 124,000 9 16,438 3,254 5,395 23,538 16,270 280 1,683 477,374 500 402 340 380 60 1,000 Units (thousand)/ bonds/ shares (thousand) 86 8,480 3,613,491 284,084 1,006,496 61,178 276,202 353,072 329,464 198,191 97,456 6,778,711 54,250 52,863 54,740 53,485 193,910 $34,485 Book value 100.00 100.00 100.00 100.00 100.00 0.14 0.19 0.21 0.44 0.86 0.99 7.77 - - - - - - Percentage of ownership (%) December 31, 2006 86 8,480 3,613,491 276,469 1,006,496 61,178 276,202 353,072 329,464 198,191 97,456 6,778,711 54,250 52,863 54,740 53,485 193,910 $34,485 Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Consolidated 265 ATTACHMENT 4 (Securities held as of December 31, 2006) 266 UNITED MICRODISPLAY OPTRONICS CORP. UMC JAPAN PACIFIC VENTURE CAPITAL CO., LTD. MTIC HOLDINGS PTE LTD. UNITECH CAPITAL INC. HSUN CHIEH INVESTMENT CO., LTD. HOLTEK SEMICONDUCTOR INC. ITE TECH. INC. HIGHLINK TECHNOLOGY CORP. XGI TECHNOLOGY INC. AMIC TECHNOLOGY CORP. MEGA MISSION LIMITED PARTNERSHIP UNIMICRON TECHNOLOGY CORP. PIXTECH, INC. FARADAY TECHNOLOGY CORP. UNITED FU SHEN CHEN TECHNOLOGY CORP. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Fund Stock Stock Stock Stock Stock FORTUNE VENTURE CAPITAL CORP. Stock Name of securities TLC CAPITAL CO., LTD. Stock Type of securities UNITED MICROELECTRONICS CORPORATION (Amount in thousand; Currency denomination in NTD unless otherwise specified) Relationship - - - - Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Financial statement account Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent 18,460 55,611 9,883 202,367 - 16,200 8,758 28,500 24,229 51,939 33,624 21,000 4,000 30,000 496 64,313 499,994 600,000 Units (thousand)/ bonds/ shares (thousand) 128,667 4,382,181 321 9,096,376 2,699,491 57,062 53,710 225,624 341,268 878,747 4,674,311 959,542 81,402 127,379 5,949,999 167,217 11,114,198 $6,999,737 Book value 16.60 17.27 17.63 19.89 45.00 11.86 16.48 18.97 21.80 24.45 36.49 42.00 49.94 49.99 50.09 81.76 99.99 100.00 Percentage of ownership (%) December 31, 2006 128,667 4,382,181 321 9,096,376 2,699,491 82,750 53,710 225,624 896,486 3,282,569 4,532,186 959,542 81,402 131,879 3,480,760 167,217 11,711,305 $6,999,737 Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 SILICON INTEGRATED SYSTEMS CORP. NOVATEK MICROELECTRONICS CORP. EPITECH TECHNOLOGY CORP. SPRINGSOFT, INC. C-COM CORP. CHIPBOND TECHNOLOGY CORP. KING YUAN ELECTRONICS CO., LTD. BILLIONTON SYSTEMS INC. MEDIATEK INC. AU OPTRONICS CORP. MEGA FINANCIAL HOLDING COMPANY RECHI PRECISION CO., LTD. HON HAI PRECISION INDUSTRY CO., LTD. SINO-AEROSPACE INVESTMENT CORP. UNITED INDUSTRIAL GASES CO., LTD. INDUSTRIAL BANK OF TAIWAN CORP. SUBTRON TECHNOLOGY CO., LTD. TECO NANOTECH CO. LTD. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Name of securities Stock Type of securities UNITED MICROELECTRONICS CORPORATION Relationship - - - - - - - - - - - - - - - - - The Company's director ATTACHMENT 4 (Securities held as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Available-for-sale financial assets, noncurrent Financial statement account - 172,800 11,520 11,001 1,139,196 146,250 - 245,705 31,116 2,289,065 3,545,441 5,048,091 24,676 952,216 359,412 22,197 520,658 1,155,725 8,860,711 $4,556,222 Book value 118,303 13,185 28,500 1,057 1,753 95,577 78,266 14,979 2,048 35,008 12,330 3,083 9,467 37,221 60,073 228,956 Units (thousand)/ bonds/ shares (thousand) 4.56 4.79 4.95 7.80 11.11 0.02 0.51 0.86 1.03 1.55 2.63 3.21 4.15 4.40 4.78 10.06 11.54 16.09 Percentage of ownership (%) December 31, 2006 Note Note Note Note Note 245,705 31,116 2,289,065 3,545,441 5,048,091 24,676 952,216 359,412 22,197 520,658 1,155,725 8,860,711 $4,556,222 Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Consolidated 267 ATTACHMENT 4 (Securities held as of December 31, 2006) 268 MTIC HOLDINGS PTE LTD. Stock-Preferred stock AEVOE INTERNATIONAL LTD. Stock-Preferred stock CRYSTAL MEDIA INC. STAR SEMICONDUCTOR CORP. Stock Stock NEXPOWER TECHNOLOGY CORP. Stock TERA XTAL TECHNOLOGY CORP. UCA TECHNOLOGY INC. Stock Stock UWAVE TECHNOLOGY CORP. Stock WALTOP INTERNATIONAL CORP. ANOTO TAIWAN CORP. Stock Stock UNITRUTH INVESTMENT CORP. Name of securities Stock Type of securities FORTUNE VENTURE CAPITAL CORP. TAIWAN HIGH SPEED RAIL CORP. PACIFIC UNITED TECHNOLOGY, L.P. Fund Stock-Preferred stock PACIFIC TECHNOLOGY PARTNERS, L.P. Name of securities Fund Type of securities UNITED MICROELECTRONICS CORPORATION (Amount in thousand; Currency denomination in NTD unless otherwise specified) Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Relationship - - - - Relationship Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial statement account - - 4,493 5,200 6,000 2,500 10,212 800 11,285 10,187 3,920 80,000 Units (thousand)/ bonds/ shares (thousand) 4,000 30,000 Units (thousand)/ bonds/ shares (thousand) 37,429 88,134 88,093 12,610 17,224 11,976 42,288 33,531 32,622 $743,210 Book value 25.15 26.00 30.00 35.80 36.54 40.00 42.38 44.29 49.00 100.00 Percentage of ownership (%) - - - - Percentage of ownership (%) December 31, 2006 85,080 300,000 161,154 $280,846 Book value December 31, 2006 37,429 54,301 37,081 10,133 17,224 11,976 32,905 33,531 32,622 $743,210 Market value/ Net assets value N/A N/A N/A N/A Market value/ Net assets value None None None None None None None None None None Shares as collateral (thousand) None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 USBEST TECHNOLOGY INC. AFA TECHNOLOGY, INC. ALLIANCE OPTOTEK CORP. U-MEDIA COMMUNICATIONS, INC. MOBILE DEVICES INC. HIGH POWER LIGHTING CORP. AMIC TECHNOLOGY CORP. XGI TECHNOLOGY INC. HIGHLINK TECHNOLOGY CORP. DAVICOM SEMICONDUCTOR, INC. BCOM ELECTRONICS INC. KUN YUAN TECHNOLOGY CO., LTD. CION TECHNOLOGY CORP. HITOP COMMUNICATIONS CORP. LIGHTUNING TECH. INC. CHIP ADVANCED TECHNOLOGY INC. UWIZ TECHNOLOGY CO., LTD. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Name of securities SMEDIA TECHNOLOGY CORP. Stock Type of securities FORTUNE VENTURE CAPITAL CORP. Relationship - - - - - - - Investee of UMC and Fortune Investee of UMC and Fortune Investee of UMC and Fortune - Investee company Investee company Investee company Investee company Investee company Investee company Investee company (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 4 (Securities held as of December 31, 2006) Financial statement account Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 4,230 3,340 2,660 4,340 2,268 6,650 17,675 12,848 55 6,281 23,405 4,525 5,457 5,000 3,500 6,033 3,646 9,045 Units (thousand)/ bonds/ shares (thousand) 46,953 24,344 16,663 60,848 21,600 66,500 176,797 142,030 755 32,187 119,225 47,559 20,983 19,288 34,349 36,806 52,711 $37,525 Book value 13.22 14.06 14.94 16.07 17.05 19.00 19.64 19.89 0.04 11.83 17.08 18.10 19.41 20.84 21.21 21.42 21.45 23.57 Percentage of ownership (%) December 31, 2006 Note Note Note Note Note Note Note Note 435 38,502 119,225 38,327 17,869 19,288 26,912 23,889 50,949 $35,960 Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Consolidated 269 ATTACHMENT 4 (Securities held as of December 31, 2006) 270 GOLDEN TECHNOLOGY VENTURE CAPITAL INVESTMENT CORP. AMOD TECHNOLOGY CO., LTD. ADVANCE MATERIALS CORP. EVERGLORY RESOURCE TECHNOLOGY CO., LTD. NCTU SPRING I TECHNOLOGY VENTURE CAPITAL INVESTMENT CORP. EXCELLENCE OPTOELECTRONICS INC. JMICRON TECHNOLOGY CORP. ANDES TECHNOLOGY CORP. CHINGIS TECHNOLOGY CORP. SHIN-ETSU HANDOTAI TAIWAN CO., LTD. ACTI CORP. RISELINK VENTURE CAPITAL CORP. NCTU SPRING VENTURE CAPITAL CO., LTD. HIGH POWER OPTOELECTRONICS, INC. SIMPAL ELECTRONICS CO., LTD. COSMOS TECHNOLOGY VENTURE CAPITAL INVESTMENT CORP. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock YAYATECH CO., LTD. Stock Name of securities VASTVIEW TECHNOLOGY INC. Stock Type of securities FORTUNE VENTURE CAPITAL CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) - - - - - - - - - - - - - - - - - - Relationship Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 1,742 6,009 1,500 2,000 8,000 1,700 10,500 4,198 5,000 2,660 8,529 4,284 2,500 11,434 1,060 5,040 1,080 3,487 Units (thousand)/ bonds/ shares (thousand) 15,964 70,179 15,000 13,600 76,640 17,306 105,000 37,156 62,500 47,880 85,291 27,160 21,875 113,017 10,421 49,280 36,180 $11,891 Book value 5.03 5.67 6.00 6.28 6.67 6.85 7.00 7.88 7.94 9.50 9.61 10.06 10.23 10.36 10.60 10.67 10.80 12.02 Percentage of ownership (%) December 31, 2006 Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 LUMITEK CORP. EE SOLUTIONS, INC. TRENDCHIP TECHNOLOGIES CORP. GIGA SOLUTION TECH. CO., LTD. BEYOND INNOVATION TECHNOLOGY CO., LTD. PROSYS TECHNOLOGY INTEGRATION, INC. WAVEPLUS TECHNOLOGY CO., LTD. FORTUNE SEMICONDUCTOR CORP. PRINTECH INTERNATIONAL INC. SUBTRON TECHNOLOGY CO., LTD. IBT VENTURE CORP. IGLOBE PARTNERS FUND, L.P. ANIMATION TECHNOLOGIES INC. SUPERALLOY INDUSTRIAL CO., LTD. CHIPSENCE CORP. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Fund Stock Stock Stock Stock MEMOCOM CORP. Stock Name of securities PARAWIN VENTURE CAPITAL CORP. Stock Type of securities FORTUNE VENTURE CAPITAL CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 4 (Securities held as of December 31, 2006) - - - - - - - - - - - - - - - - - Relationship Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 1,750 5,000 1,480 - 7,614 9,317 540 1,504 1,200 409 1,183 3,930 1,249 1,300 1,750 2,450 5,000 Units (thousand)/ bonds/ shares (thousand) 11,325 225,000 22,200 39,051 76,142 102,459 2,457 24,931 - 4,224 14,165 26,742 15,086 22,178 32,000 16,391 $41,900 Book value 2.93 3.08 3.16 3.45 3.81 3.88 3.98 4.00 4.00 4.08 4.11 4.65 4.72 4.85 4.89 4.90 5.00 Percentage of ownership (%) December 31, 2006 Note Note Note N/A Note Note Note Note Note Note Note Note Note Note Note Note Note Market value/ Net assets value None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Consolidated 271 272 AVERLOGIC TECHNOLOGIES CORP. AIMTRON TECHNOLOGY, INC. TOPOINT TECHNOLOGY CO., LTD. CHIPBOND TECHNOLOGY CORP. UNITED MICROELECTRONICS CORP. SIMPLO TECHNOLOGY CO., LTD. ATHEROS COMMUNICATION INC. Stock Stock Stock Stock Stock Stock Stock Stock-Preferred stock EPITECH TECHNOLOGY CORP. Stock-Preferred stock Stock ALPHA & OMEGA SEMICONDUCTOR LTD. Stock UNITED ORTHOPEDIC CORP. ARCADIA DESIGN SYSTEMS (TAIWAN), INC. AURORA SYSTEMS, INC. Fund Stock CRYSTAL INTERNET VENTURE FUND II Stock PIXART IMAGING INC. RALINK TECHNOLOGY CORP. Stock Stock ADVANCED CHIP ENGINEERING TECHNOLOGY INC. TAIMIDE TECHNOLOGY INC. Stock Name of securities SHENG-HUA VENTURE CAPITAL CORP. Stock Type of securities FORTUNE VENTURE CAPITAL CORP. - - - - - - - - - - - - - - - Relationship - - Investor company (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 4 (Securities held as of December 31, 2006) Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent 8 178 22,070 2,190 959 1,384 1,051 13,128 2,000 13,274 1,500 5,133 162 - 1,391 1,500 2,290 1,250 Units (thousand)/ bonds/ shares (thousand) 5,536 21,004 446,914 63,846 69,827 50,930 16,560 407,627 27,600 6,504,255 46,313 59,317 - 9,342 15,590 16,095 24,419 $9,950 Book value 0.02 0.12 0.12 0.74 1.26 3.17 3.40 3.55 5.89 12.71 - - 0.83 0.99 1.68 1.83 1.84 2.50 Percentage of ownership (%) December 31, 2006 5,536 21,004 446,914 63,846 69,827 50,930 16,560 407,627 27,600 6,504,255 N/A N/A Note N/A Note Note Note Note Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 SMEDIA TECHNOLOGY CORP. HIGHLINK TECHNOLOGY CORP. ASIA PACIFIC MICROSYSTEMS, INC. SUPERALLOY INDUSTRIAL CO., LTD. TOPOINT TECHNOLOGY CO., LTD. RECHI PRECISION CO., LTD. SERCOMM CORP. HORIZON SECURITIES CO., LTD. SIMPLO TECHNOLOGY CO., LTD. EPITECH TECHNOLOGY CORP. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Name of securities YUNG LI INVESTMENTS, INC. Stock Type of securities TLC CAPITAL CO., LTD. TOPOINT TECHNOLOGY CO., LTD. Convertible bonds Name of securities ALPHA NETWORKS INC. Convertible bonds Type of securities FORTUNE VENTURE CAPITAL CORP. Financial statement account Financial statement account Financial assets at fair value through profit or loss, noncurrent Financial assets at fair value through profit or loss, noncurrent Long-term investments accounted for under the equity method Investee company Long-term investments accounted for under the equity method Investee of UMC and TLC Long-term investments accounted for under the equity method Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Relationship - - Relationship Investee company (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 4 (Securities held as of December 31, 2006) 10,413 5,220 16,858 6,192 20,163 5,430 10,650 10,000 17,460 7,084 0.20 Units (thousand)/ bonds/ shares (thousand) 258 300 Units (thousand)/ bonds/ shares (thousand) 323,324 615,960 118,849 168,408 357,901 395,317 479,250 100,000 134,999 99,220 $202,390 Book value - - 2.81 3.48 3.92 4.48 5.84 7.02 6.55 8.40 11.62 18.46 44.44 Percentage of ownership (%) December 31, 2006 36,314 $33,600 Book value Percentage of ownership (%) December 31, 2006 323,324 615,960 118,849 168,408 357,901 395,317 Note Note 138,221 28,166 $202,390 Market value/ Net assets value 36,314 $33,600 Market value/ Net assets value None None None None None None None None None None None Shares as collateral (thousand) None None Shares as collateral (thousand) Financial Review Consolidated 273 274 ATTACHMENT 4 (Securities held as of December 31, 2006) TATUNG CO. CORETRONIC CORP. INPAQ TECHNOLOGY CO., LTD. HUNG SHENG CONSTRUCTION LTD. ORIENT SEMICONDUCTOR ELECTRONICS, LTD. ALI CORP. POWERTECH INDUSTRIAL CO., LTD. CHINA ELECTRIC MFG. CORP. CHONG HONG CONSTRUCTION CO., LTD. HANNSTAR DISPLAY CORP. CHINA DEVELOPMENT FINANCIAL HOLDING CORP. SHIHLIN ELECTRIC & ENGINEERING CORP. GOLDSUN DEVELOPMENT& CONSTRUCTION CO., LTD. KINSUS INTERCONNECT TECHNOLOGY CORP. KEE TAI PROPERTIES CO., LTD. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock YUNGTAY ENGINEERING CO., LTD. TAIWAN FERTILIZER CO., LTD. Stock Stock Stock Stock Stock Stock SYSTEX CORP. Stock Name of securities AVERMEDIA TECHNOLOGIES, INC. Stock Type of securities TLC CAPITAL CO., LTD. (Amount in thousand; Currency denomination in NTD unless otherwise specified) - - - - - - - - - - - - - - - - - - - Relationship Financial statement account Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent 800 400 300 566 2,060 950 23,596 14,000 343 895 248 1,050 4,764 3,300 500 6,007 38,152 800 4,085 Units (thousand)/ bonds/ shares (thousand) 49,840 8,340 7,785 54,365 36,256 33,582 353,936 86,520 30,253 16,065 12,648 62,265 40,018 83,160 32,800 254,102 557,019 31,120 $163,196 Book value 0.08 0.10 0.11 0.15 0.17 0.18 0.21 0.23 0.23 0.23 0.27 0.41 0.54 0.59 0.74 0.90 0.91 0.96 2.16 Percentage of ownership (%) December 31, 2006 49,840 8,340 7,785 54,365 36,256 33,582 353,936 86,520 30,253 16,065 12,648 62,265 40,018 83,160 32,800 254,102 557,019 31,120 $163,196 Market value/ Net assets value None None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 ATTACHMENT 4 (Securities held as of December 31, 2006) CHINA INSURANCE INTL NANTEX INDUSTRY.CO.,LTD. FAR EASTERN INTERNATIONAL BANK CHINATRUST FINANCIAL HOLDING COMPANY LTD. TA CHONG BANK LTD. Stock Stock Stock SOLAR APPLIED MATERIALS TECHNOLOGY CORP. Convertible bonds WALTOP INTERNATIONAL CORP. TERA XTAL TECHNOLOGY CORP. CRYSTAL MEDIA INC. Stock Stock Stock Type of securities Name of securities TOPOINT TECHNOLOGY CO., LTD. Convertible bonds UNITRUTH INVESTMENT CORP. EPITECH TECHNOLOGY CORP. Convertible bonds Stock Stock Stock Name of securities PRINCE HOUSING & DEVELOPMENT CORP. YULON MOTOR CO., LTD. Stock Type of securities TLC CAPITAL CO., LTD. Relationship - - - - - - - - - - Relationship Investee company Investee company Investee company (Amount in thousand; Currency denomination in NTD unless otherwise specified) Financial statement account Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial statement account Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Available-for-sale financial assets, noncurrent Financial assets at fair value through profit or loss, noncurrent Financial assets at fair value through profit or loss, noncurrent Financial assets at fair value through profit or loss, noncurrent 1,587 1,800 2,000 Units (thousand)/ bonds/ shares (thousand) 40 380 2,500 100 1,600 500 150 800 1,000 580 Units (thousand)/ bonds/ shares (thousand) 13,220 20,816 $29,364 Book value - - - 0.01 0.02 0.03 0.06 0.06 0.07 0.07 8.88 9.00 10.00 Percentage of ownership (%) December 31, 2006 4,604 53,485 293,250 1,095 43,600 7,800 3,150 32,614 39,500 $12,789 Book value Percentage of ownership (%) December 31, 2006 13,220 18,797 $12,360 Market value/ Net assets value 4,604 53,485 293,250 1,095 43,600 7,800 3,150 32,614 39,500 $12,789 Market value/ Net assets value None None None Shares as collateral (thousand) None None None None None None None None None None Shares as collateral (thousand) Financial Review Consolidated 275 276 SMEDIA TECHNOLOGY CORP. UCA TECHNOLOGY INC. U-MEDIA COMMUNICATIONS, INC. HIGH POWER LIGHTING CORP. STAR SEMICONDUCTOR CORP. MOBILE DEVICES INC. UWAVE TECHNOLOGY CORP. AFA TECHNOLOGY, INC. XGI TECHNOLOGY INC. AMOD TECHNOLOGY CO., LTD. EXCELLENCE OPTOELECTRONICS INC. VASTVIEW TECHNOLOGY INC. CHIP ADVANCED TECHNOLOGY INC. ADVANCE MATERIALS CORP. EVERGLORY RESOURCE TECHNOLOGY CO., LTD. YAYATECH CO., LTD. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Name of securities ALLIANCE OPTOTEK CORP. Stock Type of securities UNITRUTH INVESTMENT CORP. Relationship Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company Investee company - - - - - - - Investee of UMC and Unitruth (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 4 (Securities held as of December 31, 2006) Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method 490 1,200 5,637 1,386 1,748 6,374 930 1,760 1,000 1,000 1,250 1,300 1,225 1,250 1,585 2,570 1,300 Units (thousand)/ bonds/ shares (thousand) 16,415 10,500 62,427 3,059 25,850 63,739 7,920 10,788 3,960 3,292 4,093 2,193 12,875 4,822 7,840 17,085 $12,758 Book value 4.90 4.91 5.11 5.83 6.03 7.18 9.30 3.31 3.55 4.35 4.45 4.65 4.90 5.21 5.95 6.70 7.88 Percentage of ownership (%) December 31, 2006 Note Note Note Note Note Note Note 10,788 3,960 3,292 4,093 2,193 10,376 4,822 4,621 10,217 $9,996 Market value/ Net assets value None None None None None None None None None None None None None None None None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 ATTACHMENT 4 (Securities held as of December 31, 2006) EE SOLUTIONS, INC. JMICRON TECHNOLOGY CORP. CHINGIS TECHNOLOGY CORP. LIGHTUNING TECH. INC. UWIZ TECHNOLOGY CO., LTD. TRENDCHIP TECHNOLOGIES CORP. MEMOCOM CORP. PRINTECH INTERNATIONAL INC. FORTUNE SEMICONDUCTOR CORP. ACTI CORP. GIGA SOLUTION TECH. CO., LTD. HIGH POWER OPTOELECTRONICS, INC. RALINK TECHNOLOGY CORP. CHIPSENCE CORP. SUPERALLOY INDUSTRIAL CO., LTD. UNITED ORTHOPEDIC CORP. Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Stock Name of securities LUMITEK CORP. Stock Type of securities UNITRUTH INVESTMENT CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) - - - - - - - - - - - - - - - - - Relationship Financial statement account Available-for-sale financial assets, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 1,082 1,600 910 1,300 500 1,801 740 1,361 540 2,005 1,138 1,470 840 2,518 1,340 1,300 1,750 Units (thousand)/ bonds/ shares (thousand) 14,932 72,000 5,889 14,570 5,000 12,256 11,100 17,747 2,457 13,416 13,747 16,317 5,262 31,218 8,844 14,755 $32,000 Book value 3.19 0.98 1.52 1.57 2.00 2.13 2.98 3.62 3.98 4.01 4.30 4.59 4.72 4.73 4.79 4.85 4.89 Percentage of ownership (%) December 31, 2006 14,932 Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Note Market value/ Net assets value None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Consolidated 277 278 ATTACHMENT 4 (Securities held as of December 31, 2006) Name of securities PARADE TECHNOLOGIES, LTD. MAXXAN SYSTEMS, INC. AICENT, INC. SPREADTRUM COMMUNICATIONS, INC. SILICON 7, INC. GCT SEMICONDUCTOR, INC. INTELLON CORP. FORTEMEDIA, INC. Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock UC FUND II Stock-Preferred stock Fund ACHIEVE MADE INTERNATIONAL LTD. ECP VITA LTD. Stock Stock-Preferred stock UMC CAPITAL (USA) Name of securities TOPOINT TECHNOLOGY CO., LTD. Stock Type of securities UMC CAPITAL CORP. Convertible bonds Type of securities UNITRUTH INVESTMENT CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) - - - - - - - Investee company Investee company Investee company Investee company Investee company Relationship - Relationship Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial statement account Financial assets at fair value through profit or loss, noncurrent 10,066 5,235 1,571 1,678 1,649 2,000 2,537 3,125 5,000 508 1,000 200 Units (thousand)/ bonds/ shares (thousand) 380 Units (thousand)/ bonds/ shares (thousand) 326 948 USD 4,053 USD 4,381 USD 1,000 USD 2,000 USD 1,436 USD 1,000 USD 1,281 USD 2,016 USD 3,772 USD USD 1,550 USD Book value - - - - - - - - 23.30 35.45 44.44 100.00 100.00 Percentage of ownership (%) December 31, 2006 $53,485 Book value Percentage of ownership (%) December 31, 2006 326 415 N/A N/A N/A N/A N/A N/A N/A USD 1,113 USD 3,772 USD USD 1,550 USD Market value/ Net assets value $53,485 Market value/ Net assets value None None None None None None None None None None None None Shares as collateral (thousand) None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 PACTRUST COMMUNICATION, INC. LUMINUS DEVICES, INC. REALLUSION HOLDING INC. FORCE10 NETWORKS, INC. QSECURE, INC. Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock Stock-Preferred stock KOTURA, INC. VERIPRECISE TECHNOLOGY, INC. Stock-Preferred stock Stock AURORA SYSTEMS, INC. Stock-Preferred stock PATENTOP, LTD. ALPHA & OMEGA SEMICONDUCTOR LTD. Stock-Preferred stock Stock EAST VISION TECHNOLOGY LTD. Stock-Preferred stock VENGLOBAL CAPITAL FUND III, L.P. DIBCOM, INC. Stock-Preferred stock Fund AMALFI SEMICONDUCTOR, INC. Stock-Preferred stock MAGNACHIP SEMICONDUCTOR LLC WISAIR, INC. Stock-Preferred stock Stock SMART VANGUARD LTD. Stock-Preferred stock Name of securities MAXLINEAR, INC. Stock-Preferred stock Type of securities UMC CAPITAL CORP. (Amount in thousand; Currency denomination in NTD unless otherwise specified) ATTACHMENT 4 (Securities held as of December 31, 2006) - - - - - - - - - - - - - - - - - - Relationship Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 0.59 720 - 31 12,422 4,373 1,800 477 4,850 4,000 550 1,500 2,770 10 1,471 153 5,750 2,070 Units (thousand)/ bonds/ shares (thousand) 242 555 USD - - 712 USD 1,094 USD 3,000 USD 4,500 USD USD 3,000 USD 4,850 USD 4,000 USD USD 3,375 USD 4,820 USD 1,186 USD 1,500 USD 1,596 USD 6,500 USD 4,052 Book value 0.00 18.00 - 0.00 - - - - - - - - - - - - - - Percentage of ownership (%) December 31, 2006 Note Note N/A Note N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Market value/ Net assets value None None None None None None None None None None None None None None None None None None Shares as collateral (thousand) Financial Review Consolidated 279 280 - - Relationship Financial statement account Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent 750 301 Units (thousand)/ bonds/ shares (thousand) Note : The net asset values for unlisted investees classified as "Financial assets measured at cost, noncurrent" were not available as of December 31, 2006. ZYLOGIC SEMICONDUCTOR CORP. Stock-Preferred stock Name of securities TERABURST NETWORKS Stock-Preferred stock Type of securities UMC CAPITAL CORP. ATTACHMENT 4 (Securities held as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) Book value - - - Percentage of ownership (%) December 31, 2006 N/A N/A Market value/ Net assets value None None Shares as collateral (thousand) United Microelectronics Corporation | Annual Report 2006 CHINA DEVELOPMENT FINANCIAL HOLDING CORP. MEDIATEK INC. Stock Stock PROMOS TECHNOLOGIES INC. Stock Available-forsale financial assets, noncurrent Financial assets at fair value through profit or loss, current Financial assets at fair value through profit or loss, current loss, current Financial assets ACTION ELECTRONICS CO., at fair value through profit or LTD. Financial assets at fair value through profit or loss, current QUANTA STORAGE Financial assets at fair value INC. through profit or loss, current Financial assets TATUNG CO. at fair value through profit or loss, current SAMSON HOLDING Financial assets at fair value LTD. through profit or loss, current Financial assets SILICONWARE at fair value PRECISION through profit or INDUSTRIES CO., loss, current LTD. Stock Stock Stock Convertible bonds Convertible bonds Convertible bonds Financial assets at fair value through profit or loss, current SILICONWARE PRECISION INDUSTRIES CO., LTD. ACTION ELECTRONICS CO., LTD. Convertible bonds loss, current Financial assets KING YUAN ELECTRONICS CO., at fair value through profit or LTD. Name of the securities Financial statement account Convertible bonds Type of securities UNITED MICROELECTRONICS CORPORATION Open market Open market Open market SILICONWARE PRECISION INDUSTRIES CO., LTD. ACTION ELECTRONICS CO., LTD. Open market Open market QUANTA STORAGE INC. SILICONWARE PRECISION INDUSTRIES CO., LTD. ACTION ELECTRONICS CO., LTD. KING YUAN ELECTRONICS CO., LTD. Counter-party - - 53,916 3,700 - - 37,872 - - - - - 4,500 - - 10,000 - - 8,000 800 - - Relationship Units (thousand)/ bonds/ shares (thousand) 20,865,597 - - - 170,385 565,344 - 144,191 402,375 310,099 $340,912 Amount (Note1) Beginning balance - 23,200 526,750 14,791 6,832 - 982 1,000 - - - Units (thousand)/ bonds/ shares (thousand) Addition - - $- - 298,433 6,831,114 434,127 (Note4) 291,714 (Note4) - 111,540 32,578 Amount 42,407 - 49,376 - 6,150 37,872 580 4,500 10,000 8,000 800 Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 5 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 14,259,393 - 709,895 - 292,416 581,041 78,464 144,342 (Note5) 434,127 (Note4) 291,714 (Note4) $309,884 (Note4) Amount Disposal 458,508 - 640,329 - 243,280 456,571 65,879 152,778 322,200 270,120 $271,600 Cost (Note 2) 13,771,261 (Note9) - 69,566 - 49,136 124,470 12,585 (8,436) 111,927 21,594 $38,284 14,979 (Note10) 23,538 (Note8) 477,374 16,270 (Note7) 5,395 (Note6) - 402 1,000 - - - Gain (Loss) Units (thousand)/ from disposal bonds/ (Note 3) shares (thousand) - - $- 5,048,091 353,072 6,778,711 329,464 276,202 - 52,863 34,485 Amount (Note1) Ending balance Financial Review Consolidated 281 282 RECHI PRECISION CO., LTD. PREMIER IMAGE TECHNOLOGY CORP. HON HAI PRECISION INDUSTRY CO., LTD. Stock Stock Stock HSUN CHIEH INVESTMENT CO., LTD. TOPPAN PHOTOMASKS TAIWAN LTD. Stock Stock Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Available-forsale financial assets, noncurrent TOPPAN PHOTOMASKS TAIWAN LTD. HSIEH YONG CAPITAL CO., TAIWAN CEMENT CORP. StockTAIWAN CEMENT Preferred stock CORP. noncurrent CHINATRUST FINANCIAL HOLDING CO., LTD. HON HAI PRECISION INDUSTRY CO., LTD. PREMIER IMAGE TECHNOLOGY CORP. Open market Proceeds from new issues KING YUAN ELECTRONICS CO., LTD. Counter-party Available-forStockCHINATRUST sale financial Preferred stock FINANCIAL HOLDING CO., LTD. assets, Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent EPITECH TECHNOLOGY CORP. Stock noncurrent Available-forKING YUAN ELECTRONICS CO., sale financial assets, LTD. Name of the securities Financial statement account Stock Type of securities UNITED MICROELECTRONICS CORPORATION 106,621 - 4,810 - 92,124 - - - 3,497 - 44,530 12,412 - - 23,729 23,040 - - Relationship Units (thousand)/ bonds/ shares (thousand) 1,063,671 (3,169,837) (Note15) 1,202,310 206,830 - 154,043 331,400 716,630 $828,272 Amount (Note1) Beginning balance - - - - 1,057 - - 13,492 9,653 Units (thousand)/ bonds/ shares (thousand) Addition - - - - 244,929 (Note14) - - 296,823 $309,884 (Note4) Amount 106,621 58,500 44,530 4,810 - 3,602 (Note13) 12,677 - - Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 5 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) - $- 1,279,449 6,521,580 1,113,250 192,400 - 244,929 (Note14) 223,636 Amount Disposal - $- 1,053,204 5,865,917 1,201,794 207,482 - 27,964 205,245 Cost (Note 2) 197,633 (Note17) 13,152,475 (Note16) (88,544) (15,082) - 216,965 18,391 - $- - 33,624 - - 1,057 - 1,753 (Note12) 37,221 35,008 (Note11) Gain (Loss) Units (thousand)/ from disposal bonds/ (Note 3) shares (thousand) - 4,674,311 - - 245,705 - 31,116 1,155,725 $952,216 Amount (Note1) Ending balance United Microelectronics Corporation | Annual Report 2006 UMC JAPAN TLC CAPITAL CO., LTD. UMC CAPITAL CORP. MEGA MISSION LIMITED PARTNERSHIP Stock Stock Stock Fund Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Proceeds from new issues Proceeds from new issues Proceeds from new issues Open market Proceeds from new issues Counter-party - 484 300,000 74,000 - - - - - - Relationship Units (thousand)/ bonds/ shares (thousand) $- - 2,051,350 2,991,258 6,341,144 Amount (Note1) Addition (Note22) 50,000 300,000 12 28,500 Units (thousand)/ bonds/ shares (thousand) 2,222,100 1,665,000 3,000,000 132,462 $285,000 Amount Note 1: The amounts of beginning and ending balances of financial assets at fair value through profit or loss and available for sale are recorded at the prevailing market prices. Note 2: The disposal cost represents historical cost. Note 3: Gain/Loss from disposal includes realized exchange gain/loss to which the ROC SFAS No. 34, "Financial Instruments: Recognition and Measurement'', is applied. As for the gain/loss from disposal of financial assets at fair value through profit/loss transfers to gain/loss on the valuation of financial assets. Note 4: Exercise of conversion rights of UMC's convertible bond classified as "Financial asset at fair value through profit or loss" on the balance sheet. Note 5: Exercise of call back rights of the UMC's convertible bond classified as "Financial asset at fair value through profit or loss" on the balance sheet. Note 6: The ending balance includes stock dividend of 1,013 thousand shares. Note 7: The ending balance includes stock dividend of 1,479 thousand shares. Note 8: The ending balance includes stock dividend of 338 thousand shares. Note 9: The gain/loss on disposal of investment includes adjustments to long-term investment additional paid-in capital of NT$(29,624) thousand. Note 10: The ending balance includes stock dividend of 3,470 thousand shares. HIGHLINK TECHNOLOGY CORP. Name of the securities Stock Type of securities Financial statement account UNITED MICROELECTRONICS CORPORATION Beginning balance - - - - - Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 5 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) Amount - - - - $- Disposal Cost (Note 2) - - - - $- - - - - $- (Note22) 124,000 600,000 496 28,500 2,699,491 (Note22) 3,613,491 (Note21) 6,999,737 (Note20) 5,949,999 (Note19) $225,624 (Note18) Amount (Note1) Ending balance Gain (Loss) Units (thousand)/ from disposal bonds/ (Note 3) shares (thousand) Financial Review Consolidated 283 284 Name of the securities Financial statement account Counter-party Relationship Units (thousand)/ bonds/ shares (thousand) Amount (Note1) Units (thousand)/ bonds/ shares (thousand) Addition Amount Units (thousand)/ bonds/ shares (thousand) Amount Disposal Cost (Note 2) Gain (Loss) Units (thousand)/ from disposal bonds/ (Note 3) shares (thousand) ULI ELECTRONICS INC. UNITRUTH INVESTMENT CORP. TRIDENT MICROSYSTEMS, INC. SIRF TECHNOLOGY HOLDINGS, INC. Stock Stock Stock Name of the securities Stock Type of securities Financial statement account Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method FORTUNE VENTURE CAPITAL CORP. Open market Open market Proceeds from new issues NVIDIA BVI HOLDINGS LTD. Counter-party 181 - 176,419 150,565 366,683 40,000 255 $252,307 Amount (Note1) 12,655 - Subsidiary - Relationship Beginning balance Units (thousand)/ bonds/ shares (thousand) Addition - - 40,000 - Units (thousand)/ bonds/ shares (thousand) $- - - 400,000 Amount 181 255 - 12,655 Units (thousand)/ bonds/ shares (thousand) 185,353 218,469 - $240,451 Amount Disposal 24,652 71,775 - $252,307 Cost 160,701 146,694 - $(11,607) (Note2) - - 80,000 - Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) $- - - 743,210 (Note3) Amount (Note1) Ending balance Amount (Note1) Ending balance Note 11: The ending balance includes stock dividend of 2,315 thousand shares. Note 12: The ending balance includes stock dividend of 2,018 thousand shares. Note 13: The disposal shares include stock dividend of 105 thousand shares. Note 14: On December 1, 2006, Premier Image Technology Corporation merged into Hon Hai Precision Industry Co., Ltd. Note 15: The ending balance of NT$(3,169,837) thousand is computed by deducting UMC's stocks held by Hsun Chieh (therefore accounted for as treasury stock) of NT$20,137,403 thousand from UMC's long-term investment beginning balance in Hsun Chieh of NT$16,967,566 thousand. Note 16: The gain/loss on disposal includes long-term investment additional paid-in capital adjustments of NT$14,149,221 thousand, cumulative translation adjustments of NT$(8,157) thousand, unrealized loss of available for sale NT$(1,644,252) thousand. Note 17: The gain/loss on disposal includes long-term investment additional paid-in capital adjustments of NT$(28,612) thousand. Note 18: The ending balance includes impairment loss of NT$(7,774) thousand, long-term investment loss of NT$(51,719) thousand and long-term investment additional paid-in capital adjustment of NT$117 thousand. Note 19: The ending balance includes long-term investment loss of NT$(408,923) thousand, long-term investment additional paid-in capital adjustment of NT$1 thousand and cumulative translation adjustments of NT$(114,685) thousand. Note 20: The ending balance includes long-term investment gain of NT$329,178 thousand, long-term investment additional paid-in capital adjustment of NT$2,543 thousand, cumulative translation adjustments of NT$10 thousand and unrealized gain on financial assets of NT$676,748 thousand. Note 21: The ending balance includes long-term investment loss of NT$(49,736) thousand, long-term investment additional paid-in capital adjustment of NT$930 thousand, cumulative translation adjustments of NT$(55,147) thousand and unrealized gain on financial assets of NT$1,094 thousand. Note 22: No shares since it belongs to partnership fund organization. The ending balance includes long-term investment loss of NT$504,936 thousand and cumulative translation adjustments of NT$(27,545) thousand. Type of securities UNITED MICROELECTRONICS CORPORATION Beginning balance ATTACHMENT 5 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) United Microelectronics Corporation | Annual Report 2006 RECHI PRECISION CO., LTD. EPITECH TECHNOLOGY CORP. Stock Stock SUPERALLOY INDUSTRIAL CO., LTD. Financial assets measured at cost, noncurrent Financial assets measured at cost, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Financial statement account Taiwan Special Opportunities Fund III / Proceeds from new issues ANALOG DEVICES HOLDINGS B.V. Open market Open market Open market Counter-party - 5,000 4,361 120 - - - - - - Relationship Units (thousand)/ bonds/ shares (thousand) $- - 5,000 - 8,767 - 1,518 Units (thousand)/ bonds/ shares (thousand) 34,413 131,705 133,500 Amount (Note1) Addition 225,000 - 257,000 - $128,913 Amount - 240 (Note5) - 5,461 (Note4) 1,340 Units (thousand)/ bonds/ shares (thousand) - 232,190 - 111,552 $127,011 Amount Disposal - 34,413 - 93,633 $113,977 Cost - 197,777 - 17,919 $13,034 5,000 - 13,128 - 178 225,000 - 407,627 - $21,004 Amount (Note1) Ending balance Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) Note 1: The amounts of beginning and ending balances of available-for-sale financial assets are recorded at the prevailing market prices. Note 2: The loss on disposal of investment includes cumulative translation adjustments of NT$249 thousand. Note 3: The ending balance includes long-term investment loss of NT$(44,024) thousand, additional paid-in capital adjustments of NT$17,428 thousand due to disproportionate changes in shareholding, cumulative translation adjustments of NT$(99) thousand, retained earning adjustments of NT$246 thousand and unrealized loss of available-for-sale financial assets of NT$2,976 thousand. Note 4: The disposal shares includes stock dividend of 461 thousand shares. Note 5: 2 for 1 Stock splits. Stock StockINTEGRANT Preferred stock TECHNOLOGIES, INC. SIMPLO TCHNOLOGY CO., LTD. Name of the securities Stock Type of securities FORTUNE VENTURE CAPITAL CORP. Beginning balance ATTACHMENT 5 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) Financial Review Consolidated 285 286 CHINA DEVELOPMENT FINANCIAL HOLDING CORP. PROMOS TECHNOLOGIES INC. SIMPLO TECHNOLOGY CO., LTD. TATUNG CO. EPITECH TECHNOLOGY CORP. TXC CORP. KINSUS INTERCONNECT TECHNOLOGY CORP. CORETRONIC CORP. A-DATA TECHNOLOGY CO., LTD. Stock Stock Stock Stock Stock Stock Stock Stock Stock SERCOMM CORP. Name of the securities Stock Type of securities TLC CAPITAL CO., LTD. Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Financial statement account Open market Open market Open market Open market Open market Open market Open market / Private Open market Open market Open market Counter-party - - - - - - - - - - Relationship - 2,867 - - - - - - - - - - - - - - - - $75,499 Amount (Note1) - Units (thousand)/ bonds/ shares (thousand) Beginning balance 1,741 5,983 1,300 4,208 10,413 47,372 5,520 19,500 23,025 5,077 Units (thousand)/ bonds/ shares (thousand) Addition 211,155 245,799 126,049 166,996 298,327 583,045 330,234 238,307 292,259 $126,954 Amount 1,909 (Note8) - 900 4,460 (Note4) - 9,220 300 19,500 - 2,600 Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 5 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 225,036 - 86,560 217,570 - 123,401 30,403 286,030 - $70,109 Amount Disposal 204,978 (Note9) - 76,347 162,789 (Note5) - 113,478 25,617 238,307 - $59,874 Cost 20,058 - 10,213 54,781 - 9,923 4,786 47,723 - $10,235 - 6,007 (Note7) 566 (Note6) - 10,413 38,152 5,220 - 23,596 (Note3) 6,192 (Note2) Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) - 254,102 54,365 - 323,324 557,019 615,960 - 353,936 $168,408 Amount (Note1) Ending balance United Microelectronics Corporation | Annual Report 2006 AVERMEDIA TECHNOLOGIES, INC. TOPOINT TECHNOLOGY CO., LTD. SMEDIA TECHNOLOGY CORP. YUNG LI INVESTMENTS, INC. ASIA PACIFIC MICROSYSTEMS, INC. SUPERALLOY INDUSTRIAL CO., LTD. Stock Stock Stock Stock Stock Stock EPITECH TECHNOLOGY CORP. POWER QUOTIENT INTERNATIONAL CO., LTD. Stock Convertible bonds ELITE MATERIAL CO., LTD. Name of the securities Stock Type of securities TLC CAPITAL CO., LTD. Financial assets at fair value through profit or loss, noncurrent Financial assets measured at cost, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Available-forsale financial assets, noncurrent Long-term investments accounted for under the equity method Long-term investments accounted for under the equity method Financial assets measured at cost, noncurrent Financial statement account Open market Taiwan Special Opportunities Fund III / Proceeds from new issues Proceeds from new issues Proceeds from new issues Proceeds from new issues Open market / Proceeds from new issues Open market Open market Open market Counter-party - - - - - - - - - Relationship - 144,832 - - - - - - 2,263 - - - - - - - Amount (Note1) - - Units (thousand)/ bonds/ shares (thousand) Beginning balance 2,500 10,650 10,000 0.20 7,084 2,778 5,012 12,483 6,874 Units (thousand)/ bonds/ shares (thousand) Addition 250,000 479,250 100,000 200,000 106,266 145,609 179,713 207,004 $102,424 Amount - - - - - - 927 12,483 6,874 Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 5 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) - - - - - - 36,788 306,400 $114,860 Amount Disposal - - - - - - 33,239 204,961 (Note10) $102,424 Cost - - - - - - 3,549 101,439 $12,436 2,500 10,650 10,000 0.20 7,084 5,430 (Note11) 4,085 - - - $- 293,250 479,250 100,000 202,390 (Note13) 99,220 (Note12) 395,317 163,196 Amount (Note1) Ending balance Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) Financial Review Consolidated 287 288 Name of the securities Financial statement account Counter-party Relationship Units (thousand)/ bonds/ shares (thousand) Amount (Note1) Beginning balance Units (thousand)/ bonds/ shares (thousand) Addition Amount Name of the securities StockFORCE10 Preferred stock NETWORKS, INC. Type of securities UMC CAPITAL CORP. Financial assets measured at cost, noncurrent Financial statement account Proceeds from new issues Counter-party - Relationship - Units (thousand)/ bonds/ shares (thousand) Amount (Note1) Beginning balance $- 4,373 Units (thousand)/ bonds/ shares (thousand) Addition USD 4,500 Amount Note1: The amounts of beginning and ending balances of financial assets at fair value through profit or loss and available for sale are recorded at the prevailing market prices. Note2: The ending balance includes stock dividend of 848 thousand shares. Note3: The ending balance includes stock dividend of 571 thousand shares. Note4: The disposal shares include stock dividend of 252 thousand shares. Note5: The disposal cost includes cash dividend of NT$(4,207) thousand. Note6: The ending balance includes stock dividend of 166 thousand shares. Note7: The ending balance includes stock dividend of 24 thousand shares. Note8: The disposal shares includestock dividend of 168 thousand shares. Note9: The disposal cost includes cash dividend of NT$(6,177) thousand. Note10: The disposal cost includes cash dividend of NT$(2,043) thousand. Note11: The ending balance includes stock dividend of 389 thousand shares. Note12: The ending balance includes long-term investment loss of NT$(7,057) thousand and cumulative translation adjustments of NT$11 thousand. Note13: The ending balance includes long-term investment gain of NT$2,390 thousand . Type of securities TLC CAPITAL CO., LTD. - Units (thousand)/ bonds/ shares (thousand) Units (thousand)/ bonds/ shares (thousand) ATTACHMENT 5 (Individual securities acquired or disposed of with accumulated amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) Amount $- Disposal Amount Disposal Cost Cost $- 4,373 Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) $- Amount (Note1) USD 4,500 Amount (Note1) Ending balance Units (thousand)/ bonds/ Gain (Loss) from disposal shares (thousand) Ending balance United Microelectronics Corporation | Annual Report 2006 None Name of properties Transaction date UNITED MICROELECTRONICS CORPORATION Transaction amount Payment status (Amount in thousand; Currency denomination in NTD unless otherwise specified) Counter-party Relationship Former holder of property Relationship between former holder and acquirer of property Date of transaction Transaction amount Where counter-party is a related party, details of prior transactions ATTACHMENT 6 (Acquisition of individual real estate with amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) Price reference Date of acquisition Other and status of commitments utilization Financial Review Consolidated 289 290 None Names of properties Transaction date Date of original acquisition UNITED MICROELECTRONICS CORPORATION Book value (Amount in thousand; Currency denomination in NTD unless otherwise specified) Transaction amount Status of proceeds collection Gain (Loss) from disposal Counter-party Relationship ATTACHMENT 7 (Disposal of individual real estate with amount exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) Reason of disposal Price reference Other commitments United Microelectronics Corporation | Annual Report 2006 UNITED MICROELECTRONICS CORPORATION Related party Investor company Relationship Subsidiary's investee company AFA TECHNOLOGY, INC. UNITED MICROELECTRONICS (EUROPE) B.V. Subsidiary's investee company USBEST TECHNOLOGY INC. Purchases Purchases (Sales) USD 260,578 Amount 144,859 Term Net 60 Days Net 60 Days Net 60 Days 100.00 Net 60 Days Term 0.14 Month-end 45 Days 0.22 Month-end 45 Days 0.31 Month-end 45 Days 0.66 Month-end 60 Days 1.97 Month-end 45 Days 2.72 8.12 52.33 Transactions Percentage of total purchases (sales) (%) 226,662 Sales 688,955 Sales Investee company 322,726 Sales Investee company ITE TECH. INC. 2,046,127 2,835,621 8,455,595 $54,476,329 Amount Transactions Percentage of total purchases (sales) (%) Sales Sales Sales Investee company The Company's director SILICON INTEGRATED SYSTEMS CORP. HOLTEK SEMICONDUCTOR INC. Sales Investee company Sales Purchases (Sales) UNITED MICROELECTRONICS (EUROPE) B.V. UMC JAPAN Relationship Investee company UMC GROUP (USA) Related party UNITED MICROELECTRONICS CORPORATION (Amount in thousand; Currency denomination in NTD unless otherwise specified) N/A N/A N/A N/A N/A N/A N/A N/A Term N/A Unit price N/A Term Details of non-arm's length transaction N/A N/A N/A N/A N/A N/A N/A N/A Unit price Details of non-arm's length transaction ATTACHMENT 8 (Related party transactions for purchases and sales amounts exceeding the lower of NT$100 million or 20 percent of capital stock for the year ended December 31, 2006) 0.10 0.45 0.32 0.88 0.75 3.05 5.58 38.89 USD 22,584 100.00 Notes and accounts receivable (payable) Percentage of total Balance Note receivables (%) 12,869 59,860 41,829 115,670 98,861 401,039 734,440 $5,118,532 Notes and accounts receivable (payable) Percentage of total Balance Note receivables (%) Financial Review Consolidated 291 292 Related party UNITED MICROELECTRONICS CORPORATION UMC GROUP(USA) UMC JAPAN UNITED MICROELECTRONICS CORPORATION UMC JAPAN Related party UMC GROUP (USA) Purchases Sales Investor company Investee of UMC Purchases (Sales) Purchases Investee of UMC Relationship Purchases Purchases (Sales) Investor company Relationship (Amount in thousand; Currency denomination in NTD unless otherwise specified) 463,508 JPY 9,881,648 JPY 0.23 99.77 Percentage of total purchases (sales) (%) 1.35 55.48 Transactions Percentage of total purchases (sales) (%) 3,927 Amount USD USD 1,673,665 Amount Transactions Net 55 Days Net 60 Days Term Net 55 Days Net 60 Days Term N/A N/A Term N/A N/A Unit price N/A N/A Term Details of non-arm's length transaction N/A N/A Unit price Details of non-arm's length transaction ATTACHMENT 8 (Related party transactions for purchases and sales amounts exceeding the lower of NT$100 million or 20 percent of capital stock for the year December 31, 2006) 617 0.39 99.50 Percentage of total receivables (%) Note JPY 73,364 JPY 1,458,726 0.78 33.05 Notes and accounts receivable (payable) Percentage of total Balance Note receivables (%) USD USD 157,396 Balance Notes and accounts receivable (payable) United Microelectronics Corporation | Annual Report 2006 98,861 The Company's director SILICON INTEGRATED SYSTEMS CORP. - Investee company HOLTEK SEMICONDUCTOR INC. 401,039 65,746 - Investee company 734,440 $5,118,532 Accounts receivable 1,299 - 318 4 $- Other receivables Ending balance 49,924 - Investee company $- UNITED MICROELECTRONICS (EUROPE) B.V. UMC JAPAN Relationship Investee company Notes receivable UMC GROUP (USA) Related party UNITED MICROELECTRONICS CORPORATION Total 100,160 115,670 401,357 734,444 $5,118,532 3.07 5.90 7.72 13.22 11.26 Turnover rate (times) - - Collection status - - 7 Credit Collecting - $- 20,475 Credit Collecting Amount Overdue receivables ATTACHMENT 9 (Receivables from related parties with amounts exceeding the lower of NT$100 million or 20 percent of capital stock as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 40,741 99,735 175,792 531,115 $4,900,961 - - 1,996 - $- Amount received in subsequent Allowance for period doubtful accounts Financial Review Consolidated 293 294 Taipei, Taiwan Taipei, Taiwan TLC CAPITAL CO., LTD. FORTUNE VENTURE CAPITAL CORP. UNITED MICRODISPLAY OPTRONICS CORP. UMC JAPAN British Virgin Islands Taipei, Taiwan HSUN CHIEH INVESTMENT CO., LTD. HOLTEK SEMICONDUCTOR INC. Hsinchu Science Park, Taiwan ITE TECH. INC. Hsinchu Science Park, Taiwan UNITECH CAPITAL INC. PACIFIC VENTURE CAPITAL CO., Taipei, Taiwan LTD. MTIC HOLDINGS PTE LTD. Singapore Hsinchu Science Park, Taiwan Chiba, Japan Singapore Cayman, Cayman Islands Apia, Samoa Address Sunnyvale, California, USA The Netherlands UNITED MICROELECTRONICS CORP. (SAMOA) UMCI LTD. UNITED MICROELECTRONICS (EUROPE) B.V. UMC CAPITAL CORP. Investee company UMC GROUP (USA) UNITED MICROELECTRONICS CORPORATION 357,628 186,898 IC design and production Sales and manufacturing of integrated circuits 21,000 USD 4,000 SGD 150,000 20,994,400 JPY 1,008,078 4,999,940 6,000,000 839,880 USD 1,000 USD 124,000 USD 5,421 USD 186,898 357,628 921,241 21,000 - 300,000 20,537,634 1,008,078 4,999,940 3,000,000 839,880 1,000 74,000 5,421 Ending balance Beginning balance 16,438 USD 16,438 336,241 USD SGD JPY USD USD USD USD USD Investment holding Investment holding Consulting and planning for investment in new business Consulting and planning for investment in new business Sales and manufacturing of LCOS Sales and manufacturing of integrated circuits Consulting and planning for investment in new business Investment holding Sales and manufacturing of integrated circuits Investment holding Investment holding IC Sales Main businesses and products IC Sales Initial Investment (Note 1) ATTACHMENT 10 (Names, locations and related information of investee companies as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 24,229 51,939 33,624 21,000 4,000 30,000 496 64,313 499,994 600,000 880,006 280 124,000 9 21.80 24.45 36.49 42.00 49.94 49.99 50.09 81.76 99.99 100.00 100.00 100.00 100.00 100.00 Percentage Number of of shares ownership (thousand) (%) 16,438 100.00 341,268 878,747 4,674,311 959,542 81,402 127,379 5,949,999 167,217 11,114,198 6,999,737 86 8,480 3,613,491 284,084 Book value $1,006,496 Investment as of December 31, 2006 251,307 1,058,371 215,305 306,447 (5,097) (32,936) (833,067) (186,142) 374,046 329,178 12,463 (5,588) (49,736) 7,058 Net income (loss) of investee company $260,573 47,559 233,441 81 128,708 (2,545) (20,964) (408,923) (158,511) 379,890 329,178 12,463 (5,588) (49,736) 7,058 Investment income (loss) recognized $260,573 Note2 Note United Microelectronics Corporation | Annual Report 2006 Investment holding USD 67,500 USD - 135,000 248,795 248,795 135,000 Beginning balance $- Ending balance $285,000 Initial Investment (Note 1) - 16,200 8,758 45.00 11.86 16.48 Percentage Number of of shares ownership (thousand) (%) 28,500 18.97 2,699,491 57,062 53,710 Book value $225,624 Investment as of December 31, 2006 NEXPOWER TECHNOLOGY CORP. UCA TECHNOLOGY INC. Taipei County, Taiwan Hsinchu, Taiwan Taoyuan County, Taiwan Hsinchu, Taiwan ANOTO TAIWAN CORP. UWAVE TECHNOLOGY CORP. Address Taipei, Taiwan Investee company UNITRUTH INVESTMENT CORP. FORTUNE VENTURE CAPITAL CORP. Sales and manufacturing of solar power batteries Design of MP3 player chip Tablet transmission systems and chip-set RF IC Design Main businesses and products Investment holding 8,000 99,311 85,471 39,200 Ending balance $800,000 8,000 49,311 85,471 - Beginning balance $400,000 Initial Investment 800 11,285 10,187 3,920 40.00 42.38 44.29 49.00 Percentage Number of of shares ownership (thousand) (%) 80,000 100.00 11,976 42,288 33,531 32,622 Book value $743,210 Investment as of December 31, 2006 Note 1: Initial investment amounts denominated in foreign currencies are expressed in thousands. Note 2: Based on the resolution of the board of directors meeting on August 26, 2004, the businesses, operations and assets of UMCI LTD. were transferred to the Branch as of April 1, 2005. Note 3: No shares since it belongs to partnership fund organization. Hsinchu Science Park, Taiwan Cayman Islands MEGA MISSION LIMITED PARTNERSHIP AMIC TECHNOLOGY CORP. Main businesses and products Sales and manufacturing of electronic parts Cartography chip design and production IC design, production and sales Investee company Address HIGHLINK TECHNOLOGY CORP. Miao-Li County, Taiwan XGI TECHNOLOGY INC. Hsinchu, Taiwan UNITED MICROELECTRONICS CORPORATION ATTACHMENT 10 (Names, locations and related information of investee companies as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 9,983 (84,925) (69,000) (13,425) Net income (loss) of investee company $(44,024) 1,247,081 (61,367) (175,804) Net income (loss) of investee company $(277,489) 3,995 (36,459) (30,559) (6,578) Investment income (loss) recognized $(44,024) 504,936 (2,519) (29,020) Investment income (loss) recognized $(51,719) Note Note3 Note Financial Review Consolidated 295 296 Hsinchu, Taiwan Taoyuan County, Taiwan Hsinchu, Taiwan Hsinchu, Taiwan Hsinchu, Taiwan Taipei County, Taiwan Hsinchu County, Taiwan Hsinchu, Taiwan WALTOP INTERNATIONAL CORP. TERA XTAL TECHNOLOGY CORP. CRYSTAL MEDIA INC. SMEDIA TECHNOLOGY CORP. USBEST TECHNOLOGY INC. AFA TECHNOLOGY, INC. Hsinchu, Taiwan XGI TECHNOLOGY INC. HIGHLINK TECHNOLOGY CORP. Miao-Li County, Taiwan Hsinchu Science Park, Taiwan AMIC TECHNOLOGY CORP. HIGH POWER LIGHTING CORP. MOBILE DEVICES INC. U-MEDIA COMMUNICATIONS, INC. Hsinchu County, Taiwan Taipei County, Taiwan Samoa AEVOE INTERNATIONAL LTD. ALLIANCE OPTOTEK CORP. Address Hsinchu, Taiwan Investee company STAR SEMICONDUCTOR CORP. FORTUNE VENTURE CAPITAL CORP. Design and manufacturing of cartography chip Sales and manufacturing of electronic parts IC design, production and sales PHS &GSM/PHS dual mode B/B Chip High brightness LED package and Lighting module R&D and manufacture Design and manufacturing of LED WLAN, Broadband, Digital Home ODM Design, manufacturing and sales of IC IC design Design of VOIP network phones Multimedia co-processor Lithium Tantalate and Niobate, Optical Grade Lithium Niobate Lithium Tetraborate and Sapphire Tablet PC module, Pen LCD Monitor/module Design of VOIP Telephone Main businesses and products IC design, production and sales USD 792 270,483 291,621 54,300 56,102 45,750 39,900 64,544 41,645 93,478 50,629 85,200 90,000 912 - 270,483 291,621 - 50,000 45,750 - 53,340 54,208 90,240 17,206 - - - Beginning balance $44,129 Initial Investment Ending balance $91,194 ATTACHMENT 10 (Names, locations and related information of investee companies as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 55 6,281 23,405 4,525 5,457 5,000 3,500 6,033 3,646 9,045 4,493 5,200 6,000 2,500 0.04 11.83 17.08 18.10 19.41 20.84 21.21 21.42 21.45 23.57 25.15 26.00 30.00 35.80 755 32,187 119,225 47,559 20,983 19,288 34,349 36,806 52,711 37,525 37,429 88,134 88,093 12,610 Investment as of December 31, 2006 Percentage Number of of shares ownership (thousand) (%) Book value 10,212 36.54 $17,224 (277,489) (175,804) (61,367) (57,062) (140,837) (46,892) (41,909) (83,173) 37,313 (145,821) (20,383) 2,015 (13,516) (32,976) Net income (loss) of investee company $(84,661) (37) (18,775) (3,624) (6,743) (28,677) (10,143) (7,108) (19,674) 8,974 (41,037) (5,154) 2,934 (1,907) (17,175) Investment income (loss) recognized $(28,052) Note United Microelectronics Corporation | Annual Report 2006 Taoyuan County, Taiwan Hsinchu, Taiwan Hsinchu County, Taiwan Hsinchu, Taiwan Taipei County, Taiwan Hsinchu, Taiwan Investee company WALTOP INTERNATIONAL CORP. TERA XTAL TECHNOLOGY CORP. CRYSTAL MEDIA INC. ALLIANCE OPTOTEK CORP. SMEDIA TECHNOLOGY CORP. UCA TECHNOLOGY INC. U-MEDIA COMMUNICATIONS, INC. Address Hsinchu, Taiwan WLAN, Broadband, Digital Home ODM Design of MP3 player chip Multimedia co-processor Design and manufacturing of LED Design of VOIP network phones Main businesses and products Tablet PC module, Pen LCD Monitor/module Lithium Tantalate and Niobate, Optical Grade Lithium Niobate Lithium Tetraborate and Sapphire Sales and manufacturing of electronic parts Miao-Li County, Taiwan HIGHLINK TECHNOLOGY CORP. UNITRUTH INVESTMENT CORP. Multimedia co-processor Hsinchu, Taiwan SMEDIA TECHNOLOGY CORP. Investment Main businesses and products Taipei, Taiwan Address YUNG LI INVESTMENTS, INC. Investee company TLC CAPITAL CO., LTD. 221,920 106,266 174,596 13,800 11,910 24,057 14,820 16,493 19,800 Ending balance $30,000 13,800 5,390 24,057 - 4,688 - Beginning balance $- Initial Investment Beginning balance $- Initial Investment Ending balance $200,000 ATTACHMENT 10 (Names, locations and related information of investee companies as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 11.62 18.46 134,999 99,220 1,250 1,585 2,570 1,300 1,587 1,800 5.21 5.95 6.70 7.88 8.88 9.00 4,822 7,840 17,085 12,758 13,220 20,816 Investment as of December 31, 2006 Percentage Number of of shares ownership (thousand) Book value (%) 2,000 10.00 $29,364 17,460 7,084 Investment as of December 31, 2006 Percentage Number of of shares ownership (thousand) (%) Book value 0.20 44.44 $202,390 (46,892) (84,925) (145,821) (41,909) (20,383) 2,015 Net income (loss) of investee company $(13,516) (277,489) (145,821) Net income (loss) of investee company $5,378 (2,536) (5,189) (11,692) (2,640) (1,820) 1,016 Investment income (loss) recognized $(636) (35,899) (7,057) Investment income (loss) recognized $2,390 Note Note Financial Review Consolidated 297 298 Hsinchu, Taiwan Hsinchu County, Taiwan Hsinchu, Taiwan Taipei County, Taiwan Hsinchu, Taiwan STAR SEMICONDUCTOR CORP. MOBILE DEVICES INC. UWAVE TECHNOLOGY CORP. AFA TECHNOLOGY, INC. British Virgin Islands U.S.A. UC FUND II PARADE TECHNOLOGIES, LTD. ACHIEVE MADE INTERNATIONAL LTD. ECP VITA LTD. Address Sunnyvale, California, U.S.A. British Virgin Islands British Virgin Islands Investee company UMC CAPITAL (USA) UMC CAPITAL CORP. XGI TECHNOLOGY INC. Address Taipei County, Taiwan Investee company HIGH POWER LIGHTING CORP. UNITRUTH INVESTMENT CORP. IC design Investment holding Internet Content Provider Insurance Main businesses and products Investment holding Design and manufacturing of cartography chip IC design RF IC Design PHS &GSM/PHS dual mode B/B chip IC design, production and sales Main businesses and products High brightness LED package and Lighting module R&D and manufacture USD USD USD USD USD 26,400 5,600 6,950 11,463 6,617 2,500 USD 3,850 USD 1,000 USD 2,500 3,850 - 1,000 Beginning balance 200 USD 200 1,000 USD Ending balance Initial Investment 26,400 5,600 6,950 11,463 6,617 Beginning balance $- Initial Investment Ending balance $14,700 ATTACHMENT 10 (Names, locations and related information of investee companies as of December 31, 2006) (Amount in thousand; Currency denomination in NTD unless otherwise specified) 3.31 3.55 4.35 4.45 4.65 10,788 3,960 3,292 4,093 2,193 Book value $12,875 3,125 5,000 508 1,000 23.30 35.45 44.44 100.00 USD USD USD USD 2,016 3,772 948 1,550 Investment as of December 31, 2006 Percentage Number of of shares ownership (thousand) (%) Book value 200 100.00 USD 326 1,760 1,000 1,000 1,250 1,300 Percentage Number of of shares ownership (thousand) (%) 1,225 4.90 Investment as of December 31, 2006 USD USD USD USD (2,168) USD (918) USD (118) USD (515) (326) (52) 286 Investment income (loss) recognized USD 30 (5,835) (3,051) (3,000) (6,812) (4,225) Investment income (loss) recognized $(1,825) 286 USD Net income (loss) of investee company USD 30 (175,804) (83,173) (69,000) (140,837) (84,661) Net income (loss) of investee company $(57,062) Note Note United Microelectronics Corporation | Annual Report 2006 Financial Review Consolidated UMC and Its Affiliated Enterprises Have Not Faced Financial Difficulties; Therefore, There Has Been No Impact on UMC’s Financial Status. 299