Dachin Announces Expiration of Sustainability Committee Term

1. Date of Change: 2026/06/26 2. Name of Functional Committee: Sustainability Committee 3. Former Members: (1) Wu Tzu-Chung (2) Lai Geng-Min (3) Lin Ke-Wu (4) Yang De-Wang (5) Yang Guo-Shu 4. Former Members' Resumes: (1) Wu Tzu-Chung - Chairman, Dachin Industrial Co., Ltd. (2) Lai Geng-Min - Director, Dachin Industrial Co., Ltd. (3) Lin Ke-Wu - Independent Director, Dachin Industrial Co., Ltd. (4) Yang De-Wang - Independent Director, Dachin Industrial Co., Ltd. (5) Yang Guo-Shu - Independent Director, Dachin Industrial Co., Ltd. 5. New Appointees: Term expired; the board has not yet appointed new members. 6. New Appointees' Resumes: Term expired; the board has not yet appointed new members. 7. Nature of Change (select from 'resignation', 'dismissal', 'end of term', 'death', or 'new appointment'): End of Term 8. Reason for Change: In conjunction with the current board's re-election. 9. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): 2024/11/12 ~ 2026/06/15 10. Effective Date of New Appointment: Not yet appointed 11. Other Matters to Note: The new Sustainability Committee members will be appointed at the next board meeting and announced separately.