Regal Holding Co., Ltd. announced members of the Company's 5th Audit Committee. Name and resume of the previous position holder: Mr. LEE, TSUNG-PEI, Associate Professor, Department of Finance and International Business, Fu Jen Catholic University, Committee Member, Fu Jen Catholic University Hospital Independent director, Powertech industrial Co., Ltd. Independent director, Ibase Solution Co., Ltd. Mr.YEH, KUANG-CHOU, Ph. D. in Law, National Chengchi University Attorney and Head, Bringing Hope Law Firm Board Advisor, Chung Yuan Christian University; Mr. GUAN, JYH-LIANG, Ph.D. in Business Administration, National Chengchi University Independent director, LinkCom Manufacturing Co., LTD. Independent director, Donpon Precision Inc. Name and resume of the new position holder: Mr. LEE, TSUNG-PEI Associate Professor, Department of Finance and International Business, Fu Jen Catholic University Committee Member, Fu Jen Catholic University Hospital Independent director, Powertech industrial Co., Ltd. Independent director, Ibase Solution Co., Ltd. Mr. GUAN, JYH-LIANG Ph.D. in Business Administration, National Chengchi University Independent director, LinkCom Manufacturing Co., LTD. Independent director, Donpon Precision Inc. Mr. LIN, CHUNG-CHING Master of Eminent Public Administrator, College of Social Sciences, National Chengchi University.

Effective date of the new member is May 26, 2023.