【First Financial】Subsidiary First Securities Trust Announces Change of Corporate Supervisor Representative (First Financial Holding)

1. Date of Change: 2026/07/27 2. Corporate Name: First Financial Holding Co., Ltd. 3. Former Representative: Li Shu-Ling 4. Former Representative's Background: Deputy General Manager and Head of Strategic Planning Division at First Financial Holding 5. New Representative: Chuang Shu-Chuan 6. New Representative's Background: Head of Trust Division at First Bank 7. Reason for Change: Reappointment by First Financial Holding Co., Ltd. 8. Original Term: December 24, 2025 to December 23, 2028 9. Effective Date of New Appointment: July 31, 2026 10. Additional Notes: Implemented pursuant to First Financial Holding's official document No. 000399 issued on July 27, 2026.