Formosa Chemicals & Fibre Corporation appointed Jia Ruei OU to Audit Committee Members. Name of the new position holder: Ruey Long Chen, Hwei Chen Huang, Tai Lang Chien, Jia Ruei OU. Resume of the new position holder: Ruey Long Chen:Independent Director of FCFC, President of China Petro- chemical Development Corp.

and Sinocon Industrial Standards Foundation and also known as the Former Minister of Ministry of Economic Affairs. Hwei Chen, Huang:Independent Director of FCFC, President of Taiwan Research Institute and Lecturer of NTU. Tai Lang, Chien:Independent Director of FCFC, Taiwan Fructose Co.

LTD and Ta Ching Bills Finance Corp. Jia Ruei OU:Chairman of Sustainable & Circular Economy Development Association. Independent director of Chang Wah Technology.

Reason for the change: Due to the term expiration, 2024 annual shareholders' meeting approved the new independent directors. Effective date of the new appointment is June 18, 2024. Original term is from July 23, 2021 to June 17, 2024.