2547 Ri-Sheng-Sheng: Announcement regarding the re-appointment of corporate directors and supervisors for subsidiary Ri-Ding Circular Economy Investment Holding

Date of announcement: May 27, 2026. Date of statement: May 26, 2026. Company code: 2547. Company name: Ri-Sheng-Sheng. Subject: Announcement on behalf of subsidiary Ri-Ding Circular Economy Investment Holding Co., Ltd. regarding the re-appointment of corporate director and supervisor representatives. Date of occurrence: May 26, 2026. Explanation: 1. Date of change: May 26, 2026. 2. Type of personnel: Corporate Director, Corporate Supervisor. 3. Former titles and names: Corporate Director Representatives: Lin Jung-Hsien, Lin Hua-Chun, Liu Yao-Kai, Liu Chia-Chun, Hu Nien-Ying. Corporate Supervisor Representative: Wu Jen-En. 4. Former resumes: Lin Jung-Hsien (Chairman of Ri-Sheng-Sheng), Lin Hua-Chun (Vice Chairman of Ri-Sheng-Sheng), Liu Yao-Kai (Director of Ri-Sheng-Sheng), Liu Chia-Chun (Chairman of Ding-Sheng Green Energy), Hu Nien-Ying (GM of Ri-Ding Water), Wu Jen-En (Director of Ri-Sheng-Sheng). 5. New titles and names: Same as above. 6. New resumes: Same as above. 7. Change status: New appointment. 8. Reason for change: Re-appointment. 9. Shareholding at time of appointment: N/A. 10. Original term: 2023/06/29 - 2026/06/28. 11. Effective date: May 26, 2026. 12. Change ratio of directors: N/A. 13. Change ratio of independent directors: N/A. 14. Change ratio of supervisors: N/A. 15. Change of more than one-third of directors: No. 16. Other: None.