4989 Rongke Announces Appointment of Seventh Compensation Committee Members

Announcement Date: June 27, 2026 Statement Date: June 26, 2026 Statement Time: 15:53:46 Company Code: 4989 Company Name: Rongke

Subject: Announcement of the Board's Appointment of Members to the Seventh Compensation Committee Applicable Clause: Clause 6 Factual Date: June 26, 2026

Details: 1. Date of Change: June 26, 2026 2. Functional Committee Name: Compensation Committee 3. Former Members: Liu San-Qi, Tu Wei-Hua, Peng Yu-Min 4. Former Members' Backgrounds: Chairman of Huaxia University of Science and Technology, General Manager/CEO of TSRC Corporation, President of the Chinese Institute of Management of Technology 5. New Members: Chung Wan-Chen, Lin Yu-Min, Peng Yu-Min 6. New Members' Backgrounds: Chairman and CEO of Wen-Tan Sustainable Co., Ltd., CEO of Jiayu International Biotech Co., Ltd., President of the Chinese Institute of Management of Technology 7. Nature of Change (select from 'resignation', 'dismissal', 'end of term', 'deceased', or 'new appointment'): End of Term 8. Reason for Change: Regular election due to end of term 9. Previous Term (e.g., 06/28/2023 ~ 06/27/2026): 06/28/2023 ~ 06/27/2026 10. Effective Date of New Appointment: June 26, 2026 11. Other Matters to be Disclosed: None