[Cheng Shin] Announcement of Changes in Audit Committee Members

1. Date of change: 2026/05/26. 2. Committee: Audit Committee. 3. Previous members: Chu Po-Yung, Wu Chung-Shu, Chen Shui-Chin. 4. Previous profiles: Chairman of various institutes and CPA. 5. New members: Wu Chung-Shu, Chu Po-Yung, Lin Chieh-Chung, Hsu En-Te. 6. New profiles: Chairman of Taiwan Institute of Economic Research, Professor at Tunghai University, etc. 7. Reason: Term expiration. 8. Details: Re-composition due to board re-election. 9. Previous term: 2023/05/31-2026/05/30. 10. Effective date: 2026/05/26. 11. Other: None.