TSEC Corporation announced new members to Sustainable Committee. Name of the new position holder: Independent director: Lin, Gu-Tong; Independent director: Chiang, Huai-De; Independent director: Wu, Chia-En; President: Hung, Chen-Ren; Director and Executive Vice President: Liao, Wei-Ran; Audit Supervisor: Chen, Jeng-Tzung. Resume of the new position holder: Lin, Gu-Tong/Deloitte & Touche's Chairman; Zheng,Xian-Zhi/ORIENTAL UNION CHEMICAL Corp.'s Independent director; Shen,Qian-Ru/Gaoxin Material LTD(Asia-Pacific)'s principal; Hung, Chen-Ren/President of the company; Liao, Wei-Ran/Director and Executive Vice President of the company; Chen, Jeng-Tzung/Audit Supervisor of the company.

Effective date of the new member is July 5, 2022.