[CTBC Holding] Announcement on behalf of subsidiary CTBC Bank Co., Ltd. regarding the transfer of credit assets

1. Name and nature of the subject matter (if it is preferred shares, the agreed issuance conditions, such as dividend rate, etc., should also be specified): Financial institution claims (Loans) 2. Date of occurrence of the event: 2026/4/17~2026/4/17 3. Date of Board of Directors' approval: Not applicable 4. Date of other approval: Level of approval: Senior credit officer December 22, 2025 5. Quantity of transaction units, price per unit, and total transaction amount: Not applicable Not applicable USD 10,000,000 6. Trading counterparty and its relationship with the Company (if the trading counterparty is a natural person and not a related party of the Company, the name may be exempt from disclosure): 1. Bank of China (Hong Kong) Limited 2. Hua Nan Commercial Bank, Ltd., Offshore Banking Branch [...17 other banks...] 19. COTA Commercial Bank, Ltd. Non-related parties. 7. Where the trading counterparty is a related party...: Not applicable 8. Where the owner of the subject matter...: Not applicable 9. Relevant matters for this disposal of claims...: Not applicable 10. Disposal profit (or loss)...: None. 11. Delivery or payment terms...: Payment terms: Handle in accordance with the contract. Important stipulations: Handle in accordance with the contract. 12. Method of deciding this transaction...: Approved by the Bank's internal final review unit; relevant conditions are based on the contract and general market practices. 13. Net worth per share...: Not applicable 14. Cumulative holding...: Not applicable 15. Ratio of securities investment...: Not applicable 16. Broker and brokerage fee: Not applicable 17. Specific purpose or use of acquisition or disposal: To revitalize the credit asset portfolio. 18. Opinions of dissenting directors...: Not applicable 19. Whether this transaction is a related-party transaction: No 20. Date of acknowledgement by supervisors...: Not applicable 21. CPA unreasonableness opinion...: Not applicable [...22-26 Not applicable/No...] 27. Transactions with the trading counterparty within the past year and expected in the coming year: Routine business 28. Source of funds: Not applicable 29. Date of previous major message...: Not applicable 30. Other matters requiring statement: This transaction is calculated based on the exchange rate of 2026/4/15 (USD 1 = NTD 31.653).