【First Financial Holding】Announcement of Change in Chief Strategy Officer

1. Position affected (please specify spokesperson, acting spokesperson, key operational executives (e.g., CEO, COO, CMO, CSO), financial officer, accounting officer, corporate governance officer, CISO, R&D head, internal audit head, or litigation/non-litigation representative): Chief Strategy Officer

2. Date of change occurrence: July 27, 2026

3. Name, title, and resume of outgoing executive: Li Shu-Ling (Deputy General Manager of First Financial Holding and Director of Strategic Planning Division)

4. Name, title, and resume of incoming executive: Chuang Shu-Chuan (Director of Trust Division, First Bank)

5. Nature of change (please enter 'resignation', 'job reassignment', 'layoff', 'retirement', 'death', 'new appointment', or 'dismissal'): retirement

6. Reason for change: retirement

7. Effective date: July 31, 2026

8. Other matters to be disclosed: None