【Taiwan Business Bank】Supplementary Announcement Regarding Taiwan Business Bank Co., Ltd.'s NT$1 Billion Unsecured Senior Financial Bonds, First Series of Year 115, Issued on January 14, Year 115

1. Date of Board of Directors' resolution: NA 2. Name [XX Company's Xth (secured/unsecured) corporate bond]: Taiwan Business Bank Co., Ltd. Unsecured Senior Financial Bonds, First Series of Year 115. 3. Is it a comprehensive registration and issuance of corporate bonds (Yes/No): No. 4. Total issue amount: NT$1 billion. 5. Face value per bond: NT$10 million. 6. Issue price: Issued at par value. 7. Issue period: The issue period is 5 years, maturing from May 14, Year 115 (2026) to May 14, Year 120 (2031). 8. Issue interest rate: Fixed annual interest rate of 1.74%. 9. Type, name, amount, and agreed terms of collateral: Not applicable. 10. Use of proceeds and deployment plan: To be used for loans for green investment projects and social benefit investment projects. 11. Underwriting method: Entrusted to a consulting sales advisor. 12. Corporate bond trustee: None. 13. Underwriter or agent: Not applicable. 14. Issuing guarantor: None. 15. Agent for principal and interest repayment: Taiwan Business Bank Business Department. 16. Certification agency: None. 17. If convertible into shares, conversion rules: Not applicable. 18. Repurchase conditions: Not applicable. 19. Buyback conditions: Not applicable. 20. If accompanied by conversion, exchange, or subscription rights, conversion benchmark date: Not applicable. 21. If accompanied by conversion, exchange, or subscription rights, potential dilution of equity: Not applicable. 22. Other matters that should be specified: None.