【First Financial Holding】Board Resolves Ex-Dividend Date for 2025 Dividend Distribution

1. Date of board, shareholders' meeting resolution or company decision: July 27, 2026 2. Type of ex-rights or ex-dividend (please enter 'ex-rights', 'ex-dividend', or 'ex-rights and ex-dividend'): ex-dividend 3. Type and amount of ordinary share cash dividend: Cash dividend of NT$1.30 per share, totaling NT$18,693,309,245. 4. Ex-dividend trading date: August 11, 2026 5. Last transfer date: August 12, 2026 6. Start date of transfer suspension: August 13, 2026 7. End date of transfer suspension: August 17, 2026 8. Ex-dividend reference date: August 17, 2026 9. Final date for bond conversion application: Not applicable 10. Start date of bond conversion suspension: Not applicable 11. End date of bond conversion suspension: Not applicable 12. Ordinary share cash dividend distribution date: August 28, 2026 13. Whether part or all of the cash dividend is paid in foreign currency (please enter 'yes' or 'no'): no 14. Currency for foreign cash dividend: Not applicable 15. Recipients of foreign cash dividend: Not applicable 16. Method for determining foreign exchange rate for foreign cash dividend: Not applicable 17. Other matters to be disclosed: None