[First Financial] First Bank Announces Board Resolution for Capital Increase via Retained Earnings and New Share Issuance for FY2025

1. Date of the board of directors resolution: April 17, 2026 (115/04/17) 2. Source of capital increase: 2025 distributable retained earnings 3. Whether to adopt shelf registration for issuing new shares (if yes, please also specify the scheduled issuing period / no): No 4. Total issuance amount and number of shares (if it is a capital increase from earnings or capital surplus, the number of shares issued does not include the part distributed to employees): Total issuance amount is NTD 2,697,000,000; total number of shares issued is 269,700,000 shares. 5. For new shares issued via shelf registration, the issuance amount and number of shares this time: N/A 6. For new shares issued via shelf registration, the remaining balance of amount and shares after this issuance: N/A 7. Par value per share: NTD 10 8. Issue price: N/A 9. Number of shares subscribed or amount distributed to employees: None 10. Number of shares for public sale: None 11. Ratio of subscription or free distribution to original shareholders: Approximately 21.9543 new shares distributed for free per 1,000 shares. 12. Handling method for fractional shares and overdue unsubscribed shares: N/A 13. Rights and obligations of the new shares issued this time: The same as the originally issued common shares. 14. Use of funds from this capital increase: Tax planning and strengthening the capital structure. 15. Other matters to be specified: None