| HIMX |
Himax Technologies, Inc. |
92%
|
Reciprocal relationship from HIMX graph: s that provide high-voltage CMOS process technology required for manufacturing display drivers. We engage assembly and testing houses that specialize in TAB a… |
| TOP-TEN-CUSTOMERS |
TOP-TEN-CUSTOMERS |
92%
|
Our top ten customers accounted for 62.0%, 55.6% and 57.0% of our operating revenues in 2023, 2024 and 2025, respectively. |
| AMD |
Advanced Micro Devices, Inc. |
90%
|
Reciprocal relationship from AMD graph: Reciprocal relationship from UMC graph: Reciprocal relationship from AMD graph: We also utilize TSMC, United Microelectronics Corporation (UMC) and Samsung Ele… |
| GCTS |
GCT Semiconductor Holding, Inc. |
90%
|
Reciprocal relationship from GCTS graph: Our main foundry vendors are Samsung Foundry, and United Microelectronics Corporation |
| MXL |
MaxLinear, Inc. |
90%
|
Reciprocal relationship from MXL graph: Reciprocal relationship from UMC graph: Reciprocal relationship from MXL graph: Reciprocal relationship from UMC graph: Reciprocal relationship from MXL graph:… |
| SHIN-ETSU-HANDOTAI-CORPORATION |
SHIN-ETSU-HANDOTAI-CORPORATION |
85%
|
o obtain sufficient quantities of acceptable quality raw materials. For example, we purchased a majority of our silicon wafers from Shin-Etsu Handotai Corporation, or Shin-Etsu, GlobalWafers, Sumco G… |
| SILICONWARE-PRECISION-INDUSTRIES-CO-LTD |
SILICONWARE-PRECISION-INDUSTRIES-CO-LTD |
85%
|
. We offer our customers turnkey solutions by providing the option to purchase finished semiconductor products that have been assembled and tested. We outsource assembly and test services to leading … |
| IFNNF |
Infineon Technologies AG |
80%
|
Reciprocal relationship from IFNNF graph: We have established foundry relationships with United Microelectronics Corporation for 130-nanometer, 90-nanometer and 65-nanometer manufacturing |
| GFS |
GLOBALFOUNDRIES Inc. |
72%
|
Reciprocal relationship from GFS graph: Reciprocal relationship from UMC graph: Reciprocal relationship from GFS graph: Reciprocal relationship from UMC graph: Reciprocal relationship from GFS graph:… |
| IBM |
International Business Machines Corporation |
72%
|
Reciprocal relationship from IBM graph: Reciprocal relationship from UMC graph: that they can sell or transfer on the Taiwan Stock Exchange on a daily basis is limited by R.O.C. law. Further, they ma… |
| IBM |
International Business Machines Corporation |
72%
|
that they can sell or transfer on the Taiwan Stock Exchange on a daily basis is limited by R.O.C. law. Further, they may sell or transfer our common shares on the Taiwan Stock Exchange only after rep… |
| IFNNY |
Infineon Technologies AG |
72%
|
Reciprocal relationship from IFNNY graph: Reciprocal relationship from UMC graph: Reciprocal relationship from IFNNY graph: Reciprocal relationship from UMC graph: Reciprocal relationship from IFNNY … |
| INTC |
Intel Corporation |
72%
|
Reciprocal relationship from INTC graph: Reciprocal relationship from UMC graph: Reciprocal relationship from INTC graph: Reciprocal relationship from UMC graph: Reciprocal relationship from INTC gra… |
| LSCC |
Lattice Semiconductor Corporation |
72%
|
Reciprocal relationship from LSCC graph: on and could adversely affect our business, financial condition, and results of operations. Factors Related to Manufacturing our Products We rely on subcontra… |
| MU |
Micron Technology, Inc. |
72%
|
Reciprocal relationship from MU graph: Reciprocal relationship from UMC graph: Reciprocal relationship from MU graph: Reciprocal relationship from UMC graph: Reciprocal relationship from MU graph: Re… |
| MU |
Micron Technology, Inc. |
72%
|
cial Bank, KGI Bank, First Commercial Bank, Shanghai Commercial Bank, CTBC Bank and Secured Syndicated Loans from China Development Bank and 6 others Right-of-use assets Secured Syndicated Loans from… |
| SITM |
SiTime Corporation |
72%
|
Reciprocal relationship from SITM graph: r products. In addition, we believe that outsourcing many of our manufacturing and assembly activities provides us with the flexibility needed to respond to n… |
| SKYT |
SkyWater Technology, Inc. |
72%
|
Reciprocal relationship from SKYT graph: Reciprocal relationship from UMC graph: Reciprocal relationship from SKYT graph: . Managing the technology foundry’s signature high-mix manufacturing operatio… |
| TSEM |
Tower Semiconductor Ltd. |
72%
|
Reciprocal relationship from TSEM graph: power management products, and audio amplifiers. These technologies generally incorporate higher voltage CMOS devices than advanced analog CMOS processes, suc… |
| DENSO-CORPORATION |
DENSO-CORPORATION |
62%
|
ursuing strategic collaborations to expand our U.S. production footprint and enhance supply chain resilience. In January 2024, we entered into a collaboration with Intel Corporation to jointly develo… |
| FARADAY-TECHNOLOGY-CORP |
FARADAY-TECHNOLOGY-CORP |
62%
|
iverse locations, USCXM provides global customers with high-quality fabrication services and varied manufacturing options. 21 Table of Contents On January 25, 2024, we entered into a collaboration wi… |
| FORMOSA-SUMCO-TECHNOLOGY-CORPORATION |
FORMOSA-SUMCO-TECHNOLOGY-CORPORATION |
62%
|
r Shin-Etsu, GlobalWafers, Sumco Group (including Sumco Corporation and Formosa Sumco Technology Corporation) and Soitec. Although we source raw materials from multiple suppliers, a small number of t… |
| NEW-TECHNOLOGIES |
NEW-TECHNOLOGIES |
62%
|
d 300-millimeter manufacturing, we offer comprehensive solutions that help customers deliver successful results in a timely fashion. Build a Customer-Focused Partnership Business Model . We have focu… |
| POLAR-SEMICONDUCTOR-LLC |
POLAR-SEMICONDUCTOR-LLC |
62%
|
ursuing strategic collaborations to expand our U.S. production footprint and enhance supply chain resilience. In January 2024, we entered into a collaboration with Intel Corporation to jointly develo… |
| R-O-C-CONTROLLED-FOREIGN-COMPANY |
R-O-C-CONTROLLED-FOREIGN-COMPANY |
62%
|
ns and losses, which principally consist of: • gains or losses on valuation of financial assets and liabilities, which are primarily derived from disposal of and changes in the values of financial as… |
| SHIN-ETSU-GLOBALWAFERS-SUMCO-GROUP |
SHIN-ETSU-GLOBALWAFERS-SUMCO-GROUP |
62%
|
r raw material requirements on a monthly basis, with indicative pricing generally set on a quarterly basis. The actual purchase price is generally determined based on the prevailing market conditions… |
| TAIWAN-POWER-COMPANY |
TAIWAN-POWER-COMPANY |
62%
|
s with our wafer suppliers. Based on such long-term relationships, we believe that these major suppliers will use their best efforts to accommodate our demand. We use a large amount of water in our m… |
| UMC-CAPITAL-CORP |
UMC-CAPITAL-CORP |
62%
|
rporate strategy and planning, sales and marketing, and customer engineering. He was named Chief Executive Officer in 2026. Prior to joining the Company, Mr. Wang spent 18 years at Trident Microsyste… |
| UNIMICRON-TECHNOLOGY-CORP |
UNIMICRON-TECHNOLOGY-CORP |
62%
|
al injection of up to NT$700 million in Unimicron Technology Corp. to participate in its capital increase. Please refer to “Item 5. Operating and Financial Review and Prospects—B. Liquidity and Capit… |
| XIAMEN-CO-LTD |
XIAMEN-CO-LTD |
62%
|
s. Technology license United Semiconductor (Xiamen) Co., Ltd. Nov. 23, 2018~ Nov. 22, 2028 UMC licensed its 80/90nm process technology to United Semiconductor (Xiamen) Co., Ltd. UMC signed and implem… |
