Taiwan Cogeneration Corporation announces changes in its Sustainable Development Committee members

1. Date of change: 2026/05/04 2. Name of functional committee: Sustainable Development Committee 3. Name of former member: Lin Shu-Sen 4. Brief resume of former member: Member of the company's Sustainable Development Committee 5. Name of new member: Not applicable 6. Brief resume of new member: Not applicable 7. Type of change (please enter "resignation", "dismissal", "term expiration", "death", or "new appointment"): Resignation 8. Reason for change: Resignation due to retirement 9. Original term (e.g., yy/mm/dd ~ yy/mm/dd): 2025/08/08 ~ 2026/06/29 10. Effective date of new appointment: Not applicable 11. Other matters to be specified: The company received Mr. Lin Shu-Sen's resignation notice on May 4, 2026, and it became effective on the same day. Keyword: Material Information