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Percentage of ownership (%)
As of December 31, |
|
| Investor |
|
Subsidiary |
|
Business nature |
|
2024 |
|
|
2025 |
|
UMC |
|
UMC GROUP (USA) |
|
IC Sales |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
UNITED MICROELECTRONICS (EUROPE) B.V. |
|
Marketing support activities |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
UMC CAPITAL CORP. |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
GREEN EARTH LIMITED (GE) |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
TLC CAPITAL CO., LTD. (TLC) |
|
Venture capital |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
UMC INVESTMENT (SAMOA) LIMITED |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
FORTUNE VENTURE CAPITAL CORP. (FORTUNE) |
|
Consulting and planning for venture capital |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
UMC KOREA CO., LTD. |
|
Marketing support activities |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
OMNI GLOBAL LIMITED (OMNI) |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
SINO PARAGON LIMITED |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
BEST ELITE INTERNATIONAL LIMITED (BE) |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
UMC |
|
UNITED SEMICONDUCTOR JAPAN CO., LTD. (USJC) |
|
Sales and manufacturing of integrated circuits |
|
|
100.00 |
|
|
|
100.00 |
|
UMC and FORTUNE |
|
WAVETEK MICROELECTRONICS CORPORATION (WAVETEK) |
|
Sales and manufacturing of integrated circuits |
|
|
79.54 |
|
|
|
79.12 |
|
TLC |
|
SOARING CAPITAL CORP. |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
SOARING CAPITAL CORP. |
|
UNITRUTH ADVISOR (SHANGHAI) CO., LTD. |
|
Investment holding and advisory |
|
|
100.00 |
|
|
|
100.00 |
|
GE |
|
UNITED MICROCHIP CORPORATION |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
FORTUNE |
|
TERA ENERGY DEVELOPMENT CO., LTD. (TERA ENERGY) |
|
Energy technical services |
|
|
94.93 |
|
|
|
92.64 |
|
| TERA ENERGY (Note) |
|
EVERRICH ENERGY INVESTMENT (HK) LIMITED (EVERRICH-HK) |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
|
|
EVERRICH (JINING) NEW ENERGY TECHNOLOGY CO., LTD. (formerly EVERRICH (SHANDONG) ENERGY CO., LTD.) |
|
Solar engineering integrated design services |
|
|
100.00 |
|
|
|
100.00 |
|
OMNI |
|
UNITED MICROTECHNOLOGY CORPORATION (CALIFORNIA) |
|
Research and development |
|
|
100.00 |
|
|
|
100.00 |
|
OMNI |
|
ECP VITA PTE. LTD. |
|
Insurance |
|
|
100.00 |
|
|
|
100.00 |
|
WAVETEK |
|
WAVETEK MICROELECTRONICS CORPORATION (USA) |
|
Marketing service |
|
|
100.00 |
|
|
|
100.00 |
|
BE |
|
INFOSHINE TECHNOLOGY LIMITED (INFOSHINE) |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
INFOSHINE |
|
OAKWOOD ASSOCIATES LIMITED (OAKWOOD) |
|
Investment holding |
|
|
100.00 |
|
|
|
100.00 |
|
OAKWOOD |
|
HEJIAN TECHNOLOGY (SUZHOU) CO., LTD. (HEJIAN) |
|
Sales and manufacturing of integrated circuits |
|
|
99.9985 |
|
|
|
100.00 |
|
UNITED MICROCHIP CORPORATION and HEJIAN |
|
UNITED SEMICONDUCTOR (XIAMEN) CO., LTD. (USCXM) |
|
Sales and manufacturing of integrated circuits |
|
|
100.00 |
|
|
|
100.00 |
|