Exhibit 8.1
List of Significant Subsidiaries of United Microelectronics Corporation
Company | Jurisdiction of Incorporation | Percentage of Ownership as of December 31, 2023 | ||||
UMC Group (USA) | U.S.A. | 100.00 | % | |||
United Microelectronics (Europe) B.V. | The Netherlands | 100.00 | % | |||
UMC Capital Corp. | Cayman Islands | 100.00 | % | |||
TLC Capital Co., Ltd. | Taiwan, R.O.C. | 100.00 | % | |||
Green Earth Limited | Samoa | 100.00 | % | |||
Fortune Venture Capital Corp. | Taiwan, R.O.C. | 100.00 | % | |||
UMC Investment (Samoa) Limited | Samoa | 100.00 | % | |||
ECP Vita Pte. Ltd. | Singapore | 100.00 | % | |||
Soaring Capital Corp. | Samoa | 100.00 | % | |||
Unitruth Advisor (Shanghai) Co., Ltd. | China | 100.00 | % | |||
Tera Energy Development Co., Ltd. | Taiwan, R.O.C. | 99.01 | % | |||
United Microchip Corporation | Cayman Islands | 100.00 | % | |||
Wavetek Microelectronics Corporation | Taiwan, R.O.C. | 80.00 | % | |||
Everrich Energy Investment (HK) Limited | China | 99.01 | % | |||
Everrich (Shandong) Energy Co., Ltd. | China | 99.01 | % | |||
Wavetek Microelectronics Corporation (USA) | U.S.A. | 80.00 | % | |||
Best Elite International Limited | British Virgin Islands | 100.00 | % | |||
Infoshine Technology Limited | British Virgin Islands | 100.00 | % | |||
Oakwood Associates Limited | British Virgin Islands | 100.00 | % | |||
Hejian Technology (Suzhou) Co., Ltd. | China | 99.9985 | % | |||
UnitedDS Semiconductor (Shandong) Co., Ltd. | China | 99.9985 | % | |||
United Semiconductor (Xiamen) Co., Ltd. | China | 99.9994 | % | |||
UMC Korea Co., Ltd. | Korea | 100.00 | % | |||
Omni Global Limited | Samoa | 100.00 | % | |||
United Microtechnology Corporation (California) | U.S.A. | 100.00 | % | |||
Sino Paragon Limited | Samoa | 100.00 | % | |||
United Semiconductor Japan Co., Ltd. | Japan | 100.00 | % |