[Taishin & Shin Kong Financial] (Supplement to Announcement dated 2026/3/23) Announcement by Subsidiary Taishin Da-an Leasing on Asset Acquisition

1. Name and nature of the asset (e.g., land located in Section XX, Subsection XX, North District, Taichung City): AIRBUS A330-900 passenger aircraft

2. Date on which the event occurred: June 22, 2026 ~ June 22, 2026

3. Date of board approval: June 22, 2026

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: One (1) AIRBUS A330-900 passenger aircraft, with a unit price and total transaction amount not exceeding NT$3.9 billion. (Supplement)

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party of the company, name disclosure may be omitted): Counterparty: Starlux Airlines Co., Ltd. (Supplement)

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

8. If the asset’s owner within the past five years was a related party of the company, disclose the date and price of acquisition and disposal, and the relationship with the company at the time: 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 schedule and amounts), contractual restrictions, and other important agreements: Payment terms shall be executed in accordance with the transaction contract. The owner shall be Taishin Da-an Leasing Co., Ltd.

11. Decision method for this transaction (e.g., bidding, comparison, or negotiation), reference basis for price determination, and decision-making unit: 1. Leased to Starlux Airlines Co., Ltd. under a sale-and-leaseback arrangement. (Supplement) 2. Decision-making unit: Board of Directors of Taishin Da-an Leasing Co., Ltd.

12. Name of professional appraisal firm or company and appraisal value: Not applicable

13. Name of professional appraiser: Not applicable

14. License number of professional appraiser: Not applicable

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

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

17. Reason for not obtaining an appraisal report: Not applicable

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

19. Name of accounting firm: Not applicable

20. Name of accountant: Not applicable

21. License number of accountant: Not applicable

22. Broker and brokerage fees: Not applicable

23. Specific purpose or use of the acquisition or disposal: To be leased to Starlux Airlines Co., Ltd. for operational use. (Supplement)

24. Opinions of directors who objected to this transaction: None

25. Is this transaction a related-party transaction: No

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

27. Does this transaction involve acquiring real estate or right-of-use assets from a related party: No

28. Valuation under Article 16 of the 'Regulations Governing the Acquisition or Disposition of Assets by Publicly Issued Companies': Not applicable

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

30. Previous date on which material information regarding the same event was disclosed: March 23, 2026

31. Other explanatory matters: The lessee may choose to acquire ownership of the leased asset upon early settlement or at the end of the lease term by paying the agreed amount.