United Microelectronics Corporation (TPE:2303)
108.00
+9.60 (9.76%)
May 14, 2026, 1:30 PM CST
United Microelectronics Company Description
United Microelectronics Corporation operates as a semiconductor wafer foundry in Taiwan, China, Hong Kong, Japan, Korea, the United States, Europe, and internationally.
It manufactures and sells integrated circuits. The company offers circuit design; mask tooling; wafer fabrication; and assembly and testing services for communication devices, consumer electronics, computer, and other applications.
It also provides venture capital and marketing support; consulting and planning; energy technical; solar engineering integrated design; research and development services; and insurance services.
United Microelectronics Corporation was incorporated in 1980 and is headquartered in Hsinchu City, Taiwan.
United Microelectronics Corporation

| Country | Taiwan |
| Founded | 1980 |
| Industry | Semiconductors |
| Sector | Technology |
| Employees | 19,577 |
| CEO | Jason S. Wang |
Contact Details
Address: Hsinchu Science Park Hsinchu City Taiwan | |
| Phone | 886 3 578 2258 |
| Website | umc.com |
Stock Details
| Ticker Symbol | 2303 |
| Exchange | Taiwan Stock Exchange |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | TWD |
| ISIN Number | TW0002303005 |
| SIC Code | 3674 |
Key Executives
| Name | Position |
|---|---|
| Jason S. Wang | Chief Executive Officer and Representative Director |
| Jia Cong Hung | Chairman and Chief Strategy Officer |
| Shan-Chieh Chien | Chairman of Unimicron Technology |
| Ming Hsu | President, Chief Operating Officer and Representative Director |
| Chi-Tung Liu | Chief Financial Officer, Senior Vice President, Head of Corporate Governance and Company Secretary |
| Jinhong Lin | Head of Investor Relations |
| Olivia Liao | Vice President and General Counsel |
| TS Wu | Chief Information Security Officer and Senior Vice President of Global Fab Operations |
| Vic Yen | Chief Internal Auditor and Division Director |
| Linwu Kuo | Vice President |