EVA Airways Announces Purchase of Five LEAP-1A30S Backup Engines

1. Name and nature of the subject asset (e.g., land located in Section XX, Subsection XX, North District, Taichung City): LEAP-1A30S backup engines

2. Date on which the fact occurred: 115/8/13 ~ 115/8/13

3. Date of board approval: August 13, 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: Quantity: 5 units Total transaction amount: Not exceeding USD 131 million

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party of the company, the name may be omitted): Counterparty: CFM International Inc. Relationship with the company: None

7. If the counterparty is a related party, state the reason for selecting the related party, the previous transferee, the relationship between the previous transferee and the company and the counterparty, the transfer date, and the transfer amount: Not applicable

8. If the owner of the subject asset was a related party of the company within the past five years, state the date of acquisition and disposal, price, 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 period and amount), contractual restrictions, and other important agreements: Delivery or payment terms: As per contract Contractual restrictions and other important agreements: None

11. Method of determining the transaction (e.g., bidding, comparison, negotiation), reference basis for price determination, and decision-making unit: Transaction determination method: Negotiation Reference basis for price determination: Market price Decision-making unit: Board of Directors

12. Name of professional appraiser firm or company and appraisal amount: 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 the appraisal report: Not applicable

18. Reasons for significant differences in appraisal results and auditor's opinion: Not applicable

19. Name of auditor firm: Not applicable

20. Name of auditor: Not applicable

21. License number of auditor: Not applicable

22. Broker and brokerage fee: Not applicable

23. Specific purpose or use of the acquisition or disposal: Operational needs

24. Opinion of any director who objected to the transaction: None

25. Whether this transaction is a related-party transaction: No

26. Date of supervisor approval or audit committee consent: August 13, 2026 (Minguo Year 115)

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

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

29. Valuation amount under Article 17 of the same rules 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: Not applicable

31. Other explanatory matters: None