2105 Cheng Shin Rubber Board Re-election

Date of report: May 27, 2026. Date of announcement: May 26, 2026. Company Code: 2105. Company Name: Cheng Shin. Subject: Information on directors (including independent directors) after the 2026 annual general meeting. Date of occurrence: May 26, 2026. Explanation: 1. Date of change: May 26, 2026. 2. Type of personnel: Corporate directors, independent directors, natural person directors. 3. Former directors: Representatives of Jiu Shun Investment, Xie Shun Investment, Luo Jie Memorial Investment, Tseng Sung-chu, Hong Jing Investment, and independent directors Wu Chung-shu, Chu Po-yung, Chen Shui-chin. 4. Former background: Chairman, President, Vice Chairman of Cheng Shin, Chairman of Merida Industry, General Manager of Cheng Shin, etc. 5. New directors: Representatives of Luo Jie Memorial Investment, Jiu Shun Investment, Xie Shun Investment, Min Xin Investment, Hong Jing Investment, Tseng Sung-chu, Luo Yuan-lung. Independent directors: Wu Chung-shu, Chu Po-yung, Lin Chieh-chung, Hsu En-te. 6. New background: Chairman, President, Vice Chairman of Cheng Shin, Financial Manager, General Manager, Chairman of Taiwan Institute of Economic Research, etc. 7. Reason for change: Expiration of term. 8. Reason: Full re-election at the shareholders' meeting. 9. Shareholdings at time of election: Luo Jie Memorial Investment: 324,430,630 shares, etc. 10. Previous term: 112/05/31-115/05/30. 11. Effective date: 115/05/26-118/05/25. 12. Change ratio: N/A. 13. Independent director change ratio: N/A. 14. Supervisor change ratio: N/A. 15. Change of more than 1/3 of directors: No. 16. Other: None.