Formosa Petrochemical Corporation announced changes to the Sustainable Development Committee Members. Name and Resume of the previous position holder: Bao-Lang Cheng: Chairman of FPCC., Mihn Tsao: President and Director of FPCC., C.P. Chang: Independent Director of FPCC, Independent Director of Inventec Corp.,Independent Director of Asia Cement Corp., Yu Cheng: Independent Director of FPCC, Chairman of Mirror TV Inc., Independent Director of Formosa Advanced Technologies Corp., Sush-der Lee: Independent Director of FPCC, Served as Chairman of Taiwan Stock Exchange Corp. Name and Resume of the new position holder: Mihn Tsao: Chairman and President of FPCC., Keh-Yen Lin: Director and Executive Vice President of FPCC., C.P. Chang: Independent Director of FPCC, Independent Director of Inventec Corp.,Independent Director of Asia Cement Corp., Yu Cheng: Independent Director of FPCC, Chairman of Mirror TV Inc., Independent Director of Formosa Advanced Technologies Corp., Sush-der Lee: Independent Director of FPCC, Served as Chairman of Taiwan Stock Exchange Corp., Ze-Fen Lin: Independent Director of FPCC, Served as President of Yuanta Life Insurance Corp.

Effective date of the new member: June 14, 2024.