36 United Microelectronics Corporation Annual Report 2004 Change in Shareholding of Directors, Supervisors, Officers and Major Shareholders Unit: share Name Title 2004 2005 Holding Increase (Decrease) Pledged Holding Increase (Decrease) Holding Increase (Decrease) Pledged Holding Increase (Decrease) Robert H.C. Tsao Director, Chairman 6,731,919 – – – John Hsuan Director, Vice Chairman 6,381,125 – – – Hsun Chieh Investment Co., Ltd. Director, Supervisor 40,276,454 – – – Chuin Li Investment Corporation Director 6,112,011 – – – Chuin Tsie Investment Corporation Director, Supervisor 2,546,671 – – – Shieh Li Investment Corporation Director 3,943,770 – – – Jack K.C. Wang Director 1,771,974 (1,000,000) – – Mao-Chung Lin Director 1,195,571 – – – Paul S.C. Hsu Director – – – – Chiao Tung Bank Co., Ltd. Supervisor (103,001,861) – – – Peter Chang Vice Chairman (8,981,627) – – – Jackson Hu CEO 429,200 – – – Hong-Jen Wu President 2,350,629 – (170,000) – Ching-Chang Wen Business Group President (6,444,007) – – – Chris Chi Business Group President (1,670,003) (505,000) – – Fu-Tai Liou Business Group President (650,822) – – – Shih-Wei Sun Senior Vice President 1,098,172 – – – Stan Hung CFO 1,440,117 – – – Notes (1) No shareholders own 10% or more of <strong>UMC</strong> shares. (2) The data represented for 2005 was gathered until March 21, 2005. (3) Counterparts of the shareholding transferred or pledged are not related parties. (4) Chiao Tung Bank Co., Ltd.’s 2004 shareholdings are calculated from June, 2004.
Corporate Overview 37 Total Percentage of Ownership of Investees Investees <strong>UMC</strong> Investments Investments from Directors, Supervisors, Officers, and Directly or Indirectly Controlled Businesses Total Investments Shares % Shares % Shares % Applied Component Technology Corp. 8,848,041 16.44 – – 8,848,041 16.44 Unimicron Technology Corp. 185,625,685 21.43 111,548,383 12.88 297,174,068 34.31 Faraday Technology Corp. 47,681,936 18.38 14,295,057 5.51 61,976,993 23.89 Fortune Venture Capital Corporation 299,994,000 99.99 1,000 0.00 299,995,000 99.99 Hsun Chieh Investment Co., Ltd. 1,417,294,000 99.97 104,500 0.01 1,417,398,500 99.98 Pacific Venture Capital Co., Ltd. 30,000,000 49.99 – – 30,000,000 49.99 Novatek Microelectronics Corp. 72,774,596 18.30 3,273,777 0.82 76,048,373 19.12 Integrated Technology Express Inc. 24,229,364 22.23 4,488,720 4.12 28,718,084 26.35 DuPont Photomasks Taiwan Ltd. 106,620,718 45.35 – – 106,620,718 45.35 Holtek Semiconductor Inc. 48,980,414 25.23 1,922,827 0.99 50,903,241 26.22 AMIC Technology Corporation 16,200,000 11.83 7,626,308 5.57 23,826,308 17.40 United Microdisplay Optronics Corp. 104,345,300 83.48 – – 104,345,300 83.48 Silicon Integrated Systems Corp. 219,091,990 16.16 47,988,198 3.54 267,080,188 19.70 <strong>UMC</strong> Group (USA) 16,437,500 100.00 – – 16,437,500 100.00 United Foundry Service, Inc. 2,005,000 100.00 – – 2,005,000 100.00 <strong>UMC</strong> Japan 484,363 47.42 44,880 4.51 529,243 51.93 <strong>UMC</strong>i Ltd. 880,006,287 100.00 – – 880,006,287 100.00 <strong>UMC</strong> Capital Corporation 55,000,000 100.00 – – 55,000,000 100.00 United Microelectronics Corp. (Samoa) 700,000 100.00 – – 700,000 100.00 United Microelectronics (Europe) B.V. 9,000 100.00 – – 9,000 100.00 Unitech Capital Inc. 21,000,000 42.00 – – 21,000,000 42.00 MediaTek Incorporation 77,427,520 10.06 – – 77,427,520 10.06 AU Optronics Corp. 71,215,144 1.44 3,042,917 0.06 74,258,061 1.50 C-Com Corporation 5,071,857 4.40 1,110,000 0.96 6,181,857 5.36 Sino-Aerospace Investment Corp. 28,500,000 11.11 – – 28,500,000 11.11 TECO Nanotech Co., Ltd. 18,850,757 7.82 2,925,876 1.21 21,776,633 9.03 United Industrial Gases Co., Ltd. 13,185,529 8.11 – – 13,185,529 8.11 Mega Financial Holding Company 95,576,810 0.84 59,539,354 0.52 155,116,164 1.36 Premier Image Technology Corporation 3,395,139 0.59 3,013,783 0.52 6,408,922 1.11 Industrial Bank of Taiwan Corp. 118,302,849 4.95 – – 118,302,849 4.95 Subtron Technology Co., Ltd. 11,520,000 4.92 5,616,000 2.40 17,136,000 7.32 Taiwan High Speed Rail Corporation 30,000,000 – 200,000,000 – 230,000,000 – Billionton Systems Inc. 1,825,964 2.77 – – 1,825,964 2.77 PixTech, Inc. 9,883,470 17.63 – – 9,883,470 17.63 Vialta, Inc. 8,360,000 8.90 – – 8,360,000 8.90 Pacific Technology Partners, L.P. – – – – – – Tonbu, Inc. 937,500 – – – 937,500 – Pacific United Technology, L.P. – – – – – – Notes (1) The companies listed above are <strong>UMC</strong>’s long-term investments. (2) Shareholding figures are actual number of shares held on December 31, 2004.