6781 AES-KY: Announcement of Lease Scope Adjustment for Right-of-Use Asset by Key Subsidiary

Release Date: July 24, 2026 Statement Date: July 23, 2026 Statement Time: 17:35:30 Company Code: 6781 Company Name: AES-KY

Subject: Announcement by key subsidiary Singapore Zhao Pu Co., Ltd. regarding the change in lease scope of right-of-use asset. Applicable Clause: Clause 20 Factual Date: July 23, 2026

Details:

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

2. Factual Date: July 23, 2026 ~ July 23, 2026

3. Board Approval Date: July 23, 2026

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: - Transaction Unit Quantity: 950.58 ping - Unit Price: NT$650 per ping - Monthly Transaction Amount: NT$617,877

After Adjustment: - Transaction Unit Quantity: 1,418.39 ping - Unit Price: NT$650 per ping - Monthly Transaction Amount: NT$921,954

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 Company: Related party

7. If the counterparty is a related party, state the reason for selection, previous transferor, relationship among previous transferor, company, and counterparty, transfer date, and transfer amount: (a) Reason for selecting related party as counterparty: Selected based on operational considerations and location (b) Previous Transferor: Not applicable (c) Relationship among previous transferor, company, and counterparty: Not applicable (d) Previous Transfer Date: Not applicable (e) Previous Transfer Amount: Not applicable

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

9. Estimated gain (or loss) on disposal (not applicable for asset acquisition; deferred gains/losses should be detailed): Not applicable

10. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important provisions: - Lease term after amendment: August 1, 2026 – December 31, 2026 - Payment terms: Monthly rent of NT$921,954

11. Method of transaction determination (e.g., bidding, comparison, negotiation), reference basis for pricing, and decision-making unit: - Transaction Determination Method: Negotiation - Pricing Reference Basis: Market conditions - Decision-Making Unit: Board of Directors

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

13. Name of professional appraiser: Not applicable

14. Appraiser’s license number: Not applicable

15. Whether the appraisal report indicates a limited, specific, or special price: No / Not applicable

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

17. Reason for not obtaining appraisal report: Not applicable

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

19. Auditor firm name: Not applicable

20. Auditor name: Not applicable

21. Auditor license number: Not applicable

22. Broker and brokerage fee: Not applicable

23. Specific purpose or use of acquisition or disposal: For operational needs

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

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

26. Date of supervisor approval or audit committee consent: Not applicable (no audit committee)

27. Whether the transaction involves acquiring real estate or 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 if the price in the previous item is lower than transaction price: Not applicable

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

31. Other explanatory matters: None