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On the Record · United Microelectronics

United Microelectronics subsidiaries, as it lists them

The subsidiaries United Microelectronics lists in its latest annual report, with the jurisdiction of each, linked to the filing.

Subsidiaries it lists

SubsidiaryJurisdiction
UMC Group (USA)U.S.A.
United Microelectronics (Europe) B.V.The Netherlands
UMC Capital Corp.Cayman Islands
TLC Capital Co., Ltd.Taiwan, R.O.C.
Green Earth LimitedSamoa
Fortune Venture Capital Corp.Taiwan, R.O.C.
UMC Investment (Samoa) LimitedSamoa
ECP Vita Pte. Ltd.Singapore
Soaring Capital Corp.Samoa
Unitruth Advisor (Shanghai) Co., Ltd.China
Tera Energy Development Co., Ltd.Taiwan, R.O.C.
United Microchip CorporationCayman Islands
Wavetek Microelectronics CorporationTaiwan, R.O.C.
Everrich Energy Investment (HK) LimitedChina
Everrich (Jining) New Energy Technology Co., Ltd. (formerly Everrich (Shandong) Energy Co., Ltd.)China
Wavetek Microelectronics Corporation (USA)U.S.A.
Best Elite International LimitedBritish Virgin Islands
Infoshine Technology LimitedBritish Virgin Islands
Oakwood Associates LimitedBritish Virgin Islands
Hejian Technology (Suzhou) Co., Ltd.China
United Semiconductor (Xiamen) Co., Ltd.China
UMC Korea Co., Ltd.Korea
Omni Global LimitedSamoa
United Microtechnology Corporation (California)U.S.A.
Sino Paragon LimitedSamoa
United Semiconductor Japan Co., Ltd.Japan

From the subsidiary exhibit of the 20-F for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.

Read from United Microelectronics’s annual reports (20-F for 2025, 20-F for 2024, 20-F for 2023) and the financial data it files with the SEC, as of 2026-04-30. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.