Ch Biotech R&D Co., Ltd. approved the appointments of the 4th Remuneration Committee Members. Name of the previous position holder: (1)Independent Director Chien Chung, Kuo (2)Independent Director Por-Hsiung, Lai (3)Independent Director Yong Xiang, Chiu .Resume of the previous position holder: (1)Independent Director Chien Chung, Kuo: Accountant at Chang-Xin Accounting Firm (2)Independent Director Por-Hsiung, Lai: Chairman of Crux Health Technologies Co., Ltd. (3) Independent Director Yong Xiang, Chiu: Lawyer at Guan-Li Law Office .Name of the new position holder: (1)Independent Director Yong Xiang, Chiu (2) Independent Director Wan-Yu Liu (3) Independent Director Yin-Hsiang Chou .Resume of the new position holder: (1) Independent Director Yong Xiang, Chiu: Lawyer at Guan-Li Law Office (2) Independent Director Wan-Yu Liu: Professor of Department of Forestry at National Chung Hsing University (3) Independent Director Yin-Hsiang Chou: Accountant at Lead Chain Certified Public Accountants .Circumstances of change:term expired .Reason for the change:Reappointment due to term expiration. Original term: July 6, 2021 to July 5, 2024 .

Effective date of the new member: May 21, 2024 . Any other matters that need to be specified: None.