【CTCI】Announcement of Changes in Audit Committee Members

1. Date of change: 05/25/2026. 2. Committee name: Audit Committee. 3. Former members: Li Jianzhong, Shi Yanzhang, Chen Yifang, Yan Huihuang. 4. Former members' profiles: All were Independent Directors of CTCI. 5. New members: Li Jianzhong, Chen Yifang, Yan Huihuang. 6. New members' profiles: All are Independent Directors of CTCI. 7. Nature of change: Expiration of term. 8. Reason for change: Expiration of term. 9. Original term: 05/31/2023 ~ 05/30/2026. 10. Effective date: 05/25/2026. 11. Other notes: None.