Taipei, Taiwan, July 7, 2021 - United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC”), today held its 2021 annual shareholders’ meeting. Shareholders approved all agenda items including UMC's 2020 business report, financial statements and elected the Company's 15th term of Directors. The nominees listed hereunder were elected as non-executive Directors during the Company's Annual Shareholders’ Meeting. Female board members Wenyi Chu and Wen-Hsin Hsu represent one third of the company’s non-executive directors, reflecting UMC’s continuous efforts to enhance a gender diverse Board of Directors.

At the meeting, the shareholders also approved:

1. The 2020 Business Report and Financial Statements. The consolidated revenue for 2020 was NT$176,821 million and net income attributable to the shareholder of the parent was NT$29,189 million, with earnings per share of NT$2.42.
2. Shareholder cash dividend of NT$19,876 million at approximately NT$1.60 per share.
3. Employee cash compensation of NT$2,582 million.

Details of each agenda item can be found at https://www.umc.com under the “Investors / Events” section.

UMC (NYSE: UMC, TWSE: 2303) is a leading global semiconductor foundry. The company provides high quality IC production with a focus on both logic and specialty technologies to serve every major sector of the electronics industry. UMC’s comprehensive technology and manufacturing solutions include logic/RF, embedded high voltage, embedded flash, RFSOI/BCD and IATF-16949 automotive manufacturing certification for all its manufacturing facilities. UMC operates 12 fabs that are strategically located throughout Asia with a maximum capacity of more than 750,000 8-inch equivalent wafers per month. The company employs approximately 19,500 people worldwide, with offices in Taiwan, China, United States, Europe, Japan, Korea and Singapore. For more information, please visit: https://www.umc.com.

Note from UMC Concerning Forward-Looking Statements

Some of the statements in the foregoing announcement are forward-looking within the meaning of the U.S. Federal Securities laws, including statements about introduction of new services and technologies, future outsourcing, competition, wafer capacity, business relationships and market conditions. Investors are cautioned that actual events and results could differ materially from these statements as a result of a variety of factors, including conditions in the overall semiconductor market and economy; acceptance and demand for products from UMC; and technological and development risks. Further information regarding these and other risks is included in UMC’s filings with the U.S. Securities and Exchange Commission. UMC does not undertake any obligation to update any forward-looking statement as a result of new information, future events or otherwise, except as required under applicable law.