【China Carbon】Announcement of Change in Corporate Representative Director and Over One-Third Board Member Change

1. Date of change: 2026/05/08 2. Type of personnel appointed or changed (please enter corporate director, corporate supervisor, independent director, natural person director, or natural person supervisor): Corporate Director 3. Title and name of former incumbent: China Steel Corporation Representative, Liu Hong-yi 4. Brief resume of former incumbent: Executive Vice President of China Steel Corporation 5. Title and name of new incumbent: China Steel Corporation Representative, Huang Ching-yuan 6. Brief resume of new incumbent: Assistant Vice President of Technology Department, China Steel Corporation 7. Nature of change (please enter "resignation", "removal", "term expiration", "death" or "new appointment"): New appointment 8. Reason for change: Re-designation of corporate representative director 9. Number of shares held by new appointee at time of appointment: 68,787,183 shares 10. Original term (e.g., xx/xx/xx ~ xx/xx/xx): 2025/06/17~2028/06/16 11. Effective date of new appointment: 2026/05/08 12. Ratio of board changes during the same term: 3/9 13. Ratio of independent board changes during the same term: 0 14. Ratio of supervisor changes during the same term: Not applicable 15. Does it belong to changes in over one-third of directors (please enter yes or no): Yes 16. Other matters to be specified (If the subject of the event or resolution is a public offering company or above, this material information also complies with Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a significant impact on shareholders' equity or securities prices): None