[THSR] Announcement of Full Re-election of Board of Directors

1. Date of change: May 27, 2026. 2. Category: Corporate Directors and Independent Directors. 3. Former Directors: Shi Zhe, Zheng Guangyuan, Yang Zhengjun, Hong Yufen, Xie Weicheng, Huang Jianzhi, Wu Mingchang, Gao Xiangui, Huang Maoxiong, Wu Yiling, Qiu Huangquan, Cai Dui, Wang Mingde, Shi Baida, Lai Yongcheng. 4. New Directors: Shi Zhe, Yang Zhengjun, Zheng Guangyuan, Xie Weicheng, Lin Xiangsheng, Li Dianying, Huang Jianzhi, Wu Mingchang, Zhang Chaoneng, Li Ming?, Cai Dui, Shi Baida, Lai Yongcheng, Huang Yirui, Lin Yufen. 5. Reason for change: Full re-election due to expiration of terms. 6. Effective date: May 27, 2026.