CTBC Holding Announces Asset Transfer by Subsidiary CTBC Bank Corp. (USA)

1. Name and nature of the subject asset (if preferred shares, specify issuance terms such as dividend rate): Financial institution loan receivables

2. Effective date: 114/6/17 ~ 115/6/16

3. Board approval date: Not applicable

4. Other approval dates: Approval level: Approved by the legal and financial business supervisor of the U.S. subsidiary June 16, 2026 (R.O.C. Year 115)

5. Number of units, unit price, and total transaction amount: Number of units: Not applicable Unit price: Not applicable Total transaction amount: USD 11,785,714

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): JPMorgan Chase Bank, N.A.

7. If the counterparty is a related party, disclose the reason for selecting them, previous owner, relationships among previous owner, company, and counterparty, previous transfer date, and amount: Not applicable

8. If the asset’s owner within the past five years was a related party of the company, disclose the related party’s acquisition and disposal date, price, and relationship with the company at the time: Not applicable

9. Matters related to the disposal of receivables (including types of collateral attached to the disposed receivables; if disposal involves receivables from related parties, disclose the party’s name and book value): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities) (if deferred, provide table showing recognition): None

11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Payment terms: Not applicable. Other important agreements: Not applicable.

12. Decision-making method for this transaction, reference basis for pricing, and decision-making unit: Approved by the internal final review unit of the bank; relevant terms follow contract and general market practices.

13. Net asset value per share of the securities-issuing company (if applicable): Not applicable

14. Cumulative holdings (including this transaction) of the securities involved, amount, ownership percentage, and restricted rights (e.g., pledge status) to date: Not applicable

15. Cumulative investment in securities under Article 3 of the 'Asset Acquisition and Disposal Standards for Publicly Issued Companies' (including this transaction), as a percentage of total assets and equity attributable to owners of the parent in the latest financial statements, and the amount of working capital in the latest financial statements: Not applicable

16. Broker and brokerage fees: None

17. Specific purpose or use of the acquisition or disposal: Optimization of loan asset portfolio.

18. Dissenting opinions from directors regarding this transaction: None

19. Is this transaction a related-party transaction? No

20. Date of auditor supervisor approval or audit committee consent: Not applicable

21. Did the accountant issue a non-reasonable opinion on this transaction? Not applicable

22. Name of accounting firm: Not applicable

23. Name of accountant: Not applicable

24. Accountant license number: Not applicable

25. Does this involve a change in business model? No

26. Explanation of business model change: Not applicable

27. Transaction history with the counterparty in the past year and expected in the next year: Not applicable

28. Source of funds: Not applicable

29. Previous material information announcement date for the same event: Not applicable

30. Other explanatory matters: This transaction is calculated based on the exchange rate as of June 16, 2026 (USD 1 = NTD 31.562).