Cathay Financial Holdings Announces Subsidiary Cathay Life Insurance's Investment in Vertex Growth III (SG) LP

1. Name and nature of the target (if preferred shares, specify terms such as dividend rate): Vertex Growth III (SG) LP Private equity fund

2. Date of occurrence: July 9, 2026 ~ July 9, 2026

3. Board approval date: Not applicable

4. Other approval dates: Approval level: Senior Vice President July 9, 2026 (Minguo Year 115)

5. Number of units, unit price, and total transaction amount: (1) Vertex Growth III (SG) LP is a partnership and does not have transaction units or unit prices. (2) Total subscription amount: USD 20,000,000

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): (1) Vertex Growth Management Pte. Ltd. (2) Not applicable.

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

8. If the target’s owner was a related party of the company within the past five years, 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, and if receivables from related parties, disclose names and book amounts): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities) (if deferred, provide a table showing recognition): Not applicable

11. Delivery or payment terms (including payment schedule and amounts), contractual restrictions, and other important agreements: (1) Payments made in tranches upon capital call notices. (2) As stipulated in the fund agreement.

12. Decision-making method for the transaction, basis for price determination, and decision-making unit: (1) Participation in a newly established fund. (2) Partnership funds do not have per-unit pricing. (3) Decided according to the company’s internal authorization framework.

13. Net asset value per share of the securities issuer: Not applicable

14. Cumulative holdings (including this transaction) of the securities: quantity, amount, ownership percentage, and any restrictions (e.g., pledge status): (1) Fund is a partnership; no unit count. (2) USD 20,000,000 (3) Approximately 8.0% (4) None

15. Cumulative securities investments under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' as a percentage of total assets and equity attributable to owners of the parent in the latest financial statements, and the latest working capital: (1) Percentage of total assets: 76.58% (2) Percentage of shareholders’ equity: 1081.65% (3) Latest financial report working capital: NT$148.23 billion

16. Broker and brokerage fees: Not applicable

17. Specific purpose or use of the acquisition or disposal: For life insurance fund deployment in accordance with insurance regulations.

18. Dissenting director opinions on this transaction: None

19. Is this a related-party transaction? No

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

21. Did the accountant issue a non-reasonableness opinion? No

22. Name of accounting firm: Cherng & Co. Certified Public Accountants

23. Name of accountant: Lai Ming-Yang

24. Accountant license number: Taipei CPA License No. 2123

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: Insurable funds available for investment

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

30. Other disclosures: USD:TWD = 1:32.032