DaChan Great Wall: Board of Directors Announces Reappointment of Sustainable Development Committee Member

1. Date of change: 2026/05/08 2. Name of functional committee: Sustainable Development Committee 3. Name of former member: Not applicable 4. Brief resume of former member: Not applicable 5. Name of new member: Liu Jian-Chung 6. Brief resume of new member: Deputy Vice President of Accounting Department, DaChan Great Wall Enterprise Co., Ltd. 7. Type of change (please enter "resignation", "dismissal", "expiration of term", "death" or "new appointment"): New appointment 8. Reason for change: Reappointment by the Board of Directors in accordance with regulations 9. Original term (e.g. xx/xx/xx ~ xx/xx/xx): 2025/07/02 ~ 2028/06/16 10. Effective date of new appointment: 2026/05/08 11. Other matters to be specified: The term of the newly appointed member is effective from the date of approval by the Board of Directors until 2028/06/16, which is the same as the expiration date of the current Board of Directors.