2025 Chien Hsing Announces Resignation of Independent Director from Functional Committees

Disclosure Date: July 3, 2026 Statement Date: July 2, 2026 Statement Time: 15:58:44 Company Code: 2025 Company Name: Chien Hsing Subject: Announcement of Resignation of Independent Director from Functional Committees Applicable Clause: Clause 6 Factual Date: July 2, 2026

Details: 1. Date of Change: July 2, 2026 2. Name of Functional Committee: Audit Committee and Compensation Committee 3. Name of Former Member: Wen-Hsiung Tai 4. Former Member's Background: Independent Director of the Company 5. Name of New Member: Not Applicable 6. New Member's Background: Not Applicable 7. Nature of Change (Please enter 'Resignation', 'Dismissal', 'End of Term', 'Deceased', or 'New Appointment'): Resignation 8. Reason for Change: Personal Reasons 9. Original Term (e.g., 06/14/2024 ~ 06/13/2027): June 14, 2024 ~ June 13, 2027 10. Effective Date of New Appointment: Not Applicable 11. Other Matters to be Stated: None