PROMISE Announces Appointment of Members for the 6th Compensation Committee

1. Effective Date of Change: 06/29/2026 (Minguo Year 115) 2. Name of Functional Committee: Compensation Committee 3. Former Members: (1) Lu Hong-Sheng (2) Chang Wen-Chung (3) Chen Chih-Cheng (4) Chen Yi-Liang 4. Former Members' Background: (1) Independent Director, PROMISE Technology Inc. (2) Independent Director, PROMISE Technology Inc. (3) Independent Director, PROMISE Technology Inc. (4) Partner, Yishiang United Certified Public Accountants 5. Newly Appointed Members: (1) Chen Yi-Liang (2) Chang Che-Rong (3) Ouyang Yan-Jie (4) Dong Shi-Ming 6. New Members' Background: (1) Partner, Yishiang United Certified Public Accountants (2) Assistant Manager, SinoPac Securities (3) Professor, Department of Electrical Engineering, National Chung Hsing University (4) Assistant Manager, Global Finance & Accounting Division, Yageo Corporation 7. Nature of Change: End of Term 8. Reason for Change: Full renewal following the expiration of the previous term 9. Previous Term: 06/26/2023 (Minguo 112) ~ 06/25/2026 (Minguo 115) 10. Effective Date of New Appointments: 06/29/2026 (Minguo 115) 11. Additional Notes: The convener of the current Compensation Committee is independent director Chang Che-Rong.