Ko-Chia KY Announces Reappointment of Second Sustainability Committee Members

Announcement Date: July 15, 2026 Statement Date: July 14, 2026 Statement Time: 15:47:14 Company Code: 5215 Company Name: Ko-Chia KY Subject: Announcement of the Appointment of the Second Term Members of the Sustainability Committee Applicable Clause: Clause 6 Factual Date: July 14, 2026

Details: 1. Date of Change: 07/14/2026 2. Name of Functional Committee: Sustainability Committee 3. Former Members: Lin Yu-Kai, Li Jin-Bao, Tang Wen-Gai 4. Former Members' Profiles: - Lin Yu-Kai: Chief Operating Officer of the Company - Li Jin-Bao: Assistant to the General Manager's Office, China Region - Tang Wen-Gai: Corporate Governance Officer of the Company 5. New Members: Lin Yu-Kai, Li Jin-Bao, Tang Wen-Gai 6. New Members' Profiles: - Lin Yu-Kai: Chief Operating Officer of the Company - Li Jin-Bao: Assistant to the General Manager's Office, China Region - Tang Wen-Gai: Corporate Governance Officer of the Company 7. Nature of Change (select from 'resignation', 'dismissal', 'end of term', 'deceased', or 'new appointment'): End of Term 8. Reason for Change: Re-election upon completion of term 9. Previous Term (e.g., 01/01/2024 ~ 12/31/2026): 12/23/2024 ~ 06/26/2026 10. Effective Date of New Appointment: 07/14/2026 11. Additional Notes: The new term will commence on July 14, 2026, and continue until June 22, 2029.