CTBC Holding Announces Subsidiary's Acquisition of Right-of-Use Asset from Related Party

1. Name and nature of the subject property (e.g., land located at Section XX, Subsection XX, North District, Taichung City): Part of the 8th floor at No. 188, Jingmao 2nd Road, Nangang District, Taipei City, to be used as office space.

2. Date of occurrence: 115/8/4 ~ 115/8/4

3. Board approval date: August 4, 2026 (Minguo Year 115)

4. Other approval dates: Not applicable

5. Quantity of transaction units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Lease area: 120.39 ping Unit price: NT$2,300 per ping per month Rental amount: NT$276,897 per month Total transaction amount: NT$4,153,455

6. Counterparty and its relationship with the company (if the counterparty is a natural person and not a related party of the company, name disclosure may be omitted): CTBC Bank Co., Ltd.

7. If the counterparty is a related party, state the reason for selecting the related party as the transaction party, the previous transferor, the relationship among the previous transferor, the company, and the counterparty, the previous transfer date, and the transfer amount: Reason for selecting related party: The acquired right-of-use asset will be used for business operations. Previous transferor: Not applicable Relationship among previous transferor, company, and counterparty: Not applicable Previous transfer date: Not applicable Previous transfer amount: Not applicable

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

9. Estimated gain (or loss) on disposal (not applicable for asset acquisition) (if deferred, provide a table showing recognition): Not applicable

10. Delivery or payment terms (including payment periods and amounts), contractual restrictions, and other important agreements: Payment terms: Paid every three months, each payment being NT$830,691 Lease term: September 1, 2026 (115/09/01) to December 31, 2027 (116/12/31) Other important agreements: Includes one month of rent-free period for renovation

11. Method of determining the transaction (e.g., bidding, price comparison, negotiation), reference basis for price determination, and decision-making unit: Transaction determination method: Based on real estate appraiser's valuation report Reference basis for price determination: Real estate appraiser's valuation report Decision-making unit: Board of Directors

12. Name of the professional appraiser firm or company and the appraised value: Company name: Yang-Jie Real Estate Appraiser Joint Office Lease area: 120.39 ping, monthly rent of NT$2,340 per ping

13. Name of the professional appraiser: Yeh Yu-Ming

14. License number of the professional appraiser: (109) Taipei City Appraisal No. 000291

15. Whether the appraisal report is for a limited price, specific price, or special price: No or not applicable

16. Whether the appraisal report has not yet been obtained: No or not applicable

17. Reason for not yet obtaining the appraisal report: Not applicable

18. If there is a significant difference in the appraisal results, state the reason and the accountant's opinion: Not applicable

19. Name of the accounting firm: Not applicable

20. Name of the accountant: Not applicable

21. Accountant's license number: Not applicable

22. Broker and brokerage fees: Not applicable

23. Specific purpose or use of the acquisition or disposal: For business use

24. Opinion of any director who objected to the transaction: Not applicable

25. Whether this transaction is a related-party transaction: Yes

26. Date of approval by the supervisor or audit committee: August 4, 2026 (Minguo Year 115)

27. Whether the transaction involves acquiring real estate or its right-of-use asset from a related party: Yes

28. Valuation price under Article 16 of the "Asset Acquisition and Disposal Rules for Publicly Issued Companies": Not applicable

29. Valuation price under Article 17 of the same rules if the price under the previous item is lower than the transaction price: Not applicable

30. Previous date of material information disclosure regarding the same event: Not applicable

31. Other explanatory matters: None