First Financial Holding's Subsidiary First Bank Announces Plan to Apply for Issuance of Unsecured Subordinated Financial Bonds with a Limit of NTD 20 Billion

1. Date of board resolution: 2026/04/17. 2. Name (XX Company's Xth (secured/unsecured) corporate bonds): First Bank's 2026 unsecured subordinated financial bonds. 3. Is it a shelf registration for corporate bonds (Yes/No): No. 4. Total issuance amount: NTD 20 billion. 5. Face value per bond: NTD 10 million. 6. Issuance price: Issued at par value. 7. Issuance period: Unsecured long-term subordinated financial bonds or unsecured non-cumulative subordinated financial bonds without maturity, within 30 years, depending on actual business needs. 8. Issuance interest rate: Depends on market conditions at the time. 9. Type, name, amount, and agreed terms of collateral: None. 10. Use of proceeds and utilization plan: To maintain capital adequacy ratio, enhance long-term stable funding sources, and support business development. 11. Underwriting method: Undetermined. 12. Corporate bond trustee: None. 13. Underwriting or sales agent: Undetermined. 14. Issuance guarantor: None. 15. Principal and interest repayment agent: First Bank business units. 16. Certification institution: Undetermined. 17. If convertible into shares, the conversion method: None. 18. Put option terms: Undetermined. 19. Call option terms: Undetermined. 20. If attached with conversion, exchange, or subscription rights, the share conversion record date: None. 21. If attached with conversion, exchange, or subscription rights, the possible dilution of equity: None. 22. Other matters to be specified: First Bank will apply to the Financial Supervisory Commission for the issuance limit. After approval, it will be issued in one or multiple tranches as needed.