AES-KY Subsidiary Jiapu Technology Announces Change in Leased Asset Scope

1. Name and nature of the subject property (e.g., land located at Section XX, Subsection XX, North District, Taichung City): No. 656, Section 2, Bade Road, Hukou Township, Hsinchu County

2. Date of occurrence: July 23, 115 ~ July 23, 115

3. Board approval date: July 23, 2026 (Minguo 115)

4. Other approval dates: Not applicable

5. Quantity of transaction units (e.g., XX square meters, converted to XX ping), unit price, and total transaction amount: Before adjustment: Quantity: 1,407.99 ping Unit price: NT$650 per ping Monthly transaction amount: NT$915,194

After adjustment: Quantity: 1,271.87 ping Unit price: NT$650 per ping Monthly transaction amount: NT$826,716

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: Xinpu Technology Co., Ltd. Relationship with the company: Related party

7. If the counterparty is a related party, the reason for selecting the related party as the transaction party, the previous transferor, the relationship between the previous transferor and the company and the counterparty, the previous transfer date, and the transfer amount shall also be disclosed: (i) Reason for selecting related party as transaction party: Selected based on operational considerations and location (ii) Previous transferor: Not applicable (iii) Relationship between previous transferor and the company and counterparty: Not applicable (iv) Previous transfer date: Not applicable (v) Transfer amount: Not applicable

8. If the owner of the transaction subject had been a related party of the company within the past five years, the date, price, and relationship with the company at the time of acquisition and disposal shall also be disclosed: Not applicable

9. Estimated gain (or loss) from disposal (not applicable for asset acquisition) (if deferred, describe recognition status in table form): Not applicable

10. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Lease term after amendment: August 1, 2026 – December 31, 2026 Payment terms: Monthly rent of NT$826,716 Other important agreements: Upon expiration, the lease will automatically renew under the same terms with mutual consent

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

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

13. Name of professional appraiser: Not applicable

14. Professional appraiser license number: Not applicable

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 obtaining the appraisal report: Not applicable

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

19. Name of accounting firm: Not applicable

20. Name of auditor: Not applicable

21. Auditor license number: Not applicable

22. Broker and brokerage fee: Not applicable

23. Specific purpose or use of the acquisition or disposal: Not applicable

24. Opinion of directors who objected to this transaction: Not applicable

25. This transaction is a related-party transaction: Yes

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

27. This transaction involves acquiring real estate or its right-of-use asset from a related party: No

28. Evaluation price according to Article 16 of the 'Asset Acquisition and Disposal Handling Standards for Publicly Issued Companies': Not applicable

29. Evaluation price according to Article 17 of the same standards, if the price evaluated under the previous item is lower than the transaction price: Not applicable

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

31. Other explanatory matters: None