| HIMX |
Himax Technologies, Inc. |
92%
|
Reciprocal relationship from HIMX graph: Reciprocal relationship from UMC graph: Reciprocal relationship from HIMX graph: Reciprocal relationship from UMC graph: Reciprocal relationship from HIMX gra… |
| 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: Reciprocal relationship from UMC graph: Reciprocal relationship from AMD graph:… |
| 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: Reciprocal relationship from UMC graph: Reciprocal relationship from IFNNF graph: We have established foundry relationships with United Microelectronics Corp… |
| IBM |
International Business Machines Corporation |
72%
|
Reciprocal relationship from IBM graph: Reciprocal relationship from UMC graph: Reciprocal relationship from IBM graph: Reciprocal relationship from UMC graph: Reciprocal relationship from IBM graph:… |
| 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… |
| 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%
|
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… |
| MU |
Micron Technology, Inc. |
72%
|
Reciprocal relationship from MU graph: Reciprocal relationship from UMC graph: cial Bank, KGI Bank, First Commercial Bank, Shanghai Commercial Bank, CTBC Bank and Secured Syndicated Loans from China … |
| 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: . Managing the technology foundry’s signature high-mix manufacturing operation requires special competencies with respect to the manner by which the volume pr… |
| 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… |
| AI-CAPITAL-LLC |
AI-CAPITAL-LLC |
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… |
| 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… |
| PASSIVE-FOREIGN-INVESTMENT-COMPANY |
PASSIVE-FOREIGN-INVESTMENT-COMPANY |
62%
|
Jun. 2022 For building the facilities of Fab 12A P5/6 WH in the Southern Taiwan Science Park, UMC signed construction contracts with the vendor listed in the second column. The total contracted amoun… |
| 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… |
| SHANDONG-CO-LTD |
SHANDONG-CO-LTD |
62%
|
or Vice President. Mr. Hung concurrently serves as the Chairman and Strategic Officer of Faraday Technology Corporation and Silicon Integrated Systems Corp., Chairman of Fortune Venture Capital Corp.… |
| 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… |
| SUZHOU-CO-LTD |
SUZHOU-CO-LTD |
62%
|
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… |
| 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… |
| UMC-GROUP |
UMC-GROUP |
62%
|
t, responsible for global fab operations, and serves as Chief Information Security Officer. Mr. Wu joined the Company in 1990 and has over 35 years of experience in semiconductor development and manu… |