United Microelectronics Corporation announced board resolution to appoint members of the 4th term of Sustainable Development and Nominating Committee. Name of the previous position holder: Wenyi Chu, Professor, Department of Business Administration, National Taiwan University, Lih J. Chen, Distinguished Chair Professor, National Tsing Hua University, Jyuo-Min Shyu, Emeritus Professor, National Tsing Hua University, Independent Director, Qisda Corporation, Kuang Si Shiu, Independent Director, Yuanta Financial Holdings Co. Ltd., Independent Director, Yuanta Commercial Bank Co.

Ltd., Wen-Hsin Hsu, Professor, Department of Accounting, National Taiwan University, Independent Director, Unitech Printed Circuit Board Corp. Name of the new position holder: Lih J. Chen, Distinguished Chair Professor, National Tsing Hua University, Jyuo-Min Shyu, Emeritus Professor, National Tsing Hua University, Independent Director, Qisda Corporation, Kuang Si Shiu, Independent Director, Yuanta Financial Holdings Co. Ltd., Independent Director, Yuanta Commercial Bank Co.

Ltd., Wen-Hsin Hsu, Professor, Department of Accounting, National Taiwan University, Independent Director, Unitech Printed Circuit Board Corp., Ling-Ling Wu, Professor, Department of Information Management, College of Management, National Taiwan University, Independent director, Hycon Technology Corp., Su Lin Wang, Independent director, Jess-Link products Co., Ltd, Independent director, AVerMedia Technologies Inc. Effective date of the new member is May 30, 2024.