[FORM 20-F ANNUAL REPORT FISCAL YEAR ENDED DECEMBER 31, 2009 Table of Contents Page SUPPLEMENTAL INFORMATION 1 PART I 3 ITEM 1. IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISERS 3 ITEM 2. OFFER STATISTICS AND EXPECTED TIMETABLE 3 ITEM 3. KEY INFORMATION 3 ITEM 4. INFORMATION ON THE COMPANY 24 ITEM 4A. UNRESOLVED STAFF COMMENTS 42 ITEM 5. OPERATING AND] [Articles of Incorporation of United Microelectronics Corporation Last Updated: June 13, 2008 Section I General Provisions Article 1 The Company shall be incorporated as a company limited by shares under the Company Law and its name shall be “United Microelectronics Corporation.” Article 2 The scope of business of the Company shall be as follow: 1. Integrated circuits; 2. Various semiconductor] [List of Significant Subsidiaries of United Microelectronics Corporation Company Jurisdiction of Incorporation Percentage of UMC Group (USA) California, USA 100.00 % United Microelectronics (Europe) B.V. The Netherlands 100.00 % UMC Capital Corp. Cayman Islands 100.00 % United Microelectronics Corp. (Samoa) Samoa 100.00 % TLC Capital Co., Ltd Taiwan, ROC 100.00 % UMCi Ltd. Singapore 100.00 % UMC New Business Investment] [CERTIFICATION OF OUR CHIEF EXECUTIVE OFFICER I, Shih-Wei Sun, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances] [CERTIFICATION OF OUR CHIEF FINANCIAL OFFICER I, Chitung Liu, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances] [CERTIFICATION OF PERIODIC FINANCIAL REPORT 1. 2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Shih-Wei Sun Chief Executive Officer *] [CERTIFICATION OF PERIODIC FINANCIAL REPORT 1. 2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Chitung Liu Chief Financial Officer *] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the following Registration Statements pertaining to the employee stock option plans of United Microelectronics Corporation: 1. Registration Statement (Form S-8 No.333-102605) pertaining to the Employee Stock Option Plan, 2. Registration Statement (Form S-8 No.333-126889) pertaining to the Employee Stock Option Plan and the 2004 Employee]