WT Microelectronics Co., Ltd. approved the appointment of Mr. Chia-Chi Chang as independent director and member of the Audit Committee, effective from May 30, 2023. Mr. Chia-Chi Chang is Vice President & CFO, TAIWAN MOBILE CO., LTD. CFO, Egis Technology Inc. Director, FocalTech Systems Co., Ltd. Executive Vice President, Yuanta Securities Investment Consulting Co. Director, Citigroup Global Markets Inc.