[Personnel] CMC (1563) Announces Change of Representative for Corporate Director

Reporting Date: May 21, 2025 Announcement Date: May 20, 2025 Announcement Time: 18:31:20 Company Code: 1563 Company Name: CMC Subject: Change of Representative for Corporate Director Relevant Clause: Clause 6 Event Date: May 20, 2025

Explanation: 1. Date of change: May 20, 2025 2. Name of entity: Zhengyi Management Consulting Co., Ltd. 3. Name of predecessor: N/A 4. Resume of predecessor: N/A 5. Name of successor: Huang Xingwei 6. Resume of successor: Supervisor, Zhengyi Management Consulting Co., Ltd. 7. Reason for change: Corporate director appointed new representative 8. Original term: Nov 13, 2023 to Nov 12, 2026 9. Effective date: May 20, 2025 10. Other remarks: None