【AES-KY】Announcement of Additional Fund Lending to Key Subsidiary Reaching Threshold per Taiwan's Lending and Guarantee Regulations

1. Date of Event: July 27, 2026

2. Recipient of Fund Lending: (1) Company Name: AES Holding Co., Ltd. (2) Relationship with Lending Company: Parent-Subsidiary (3) Lending Limit (in thousand NT$): 4,438,128 (4) Previous Outstanding Loan Balance (in thousand NT$): 385,000 (5) Amount of Additional Lending This Time (in thousand NT$): 610,000 (6) Whether the Board of Directors authorized the Chairman to conduct multiple disbursements or revolving use to the same borrower: Yes (7) Total Outstanding Loan Balance as of the Event Date (in thousand NT$): 995,000 (8) Reason for Additional Lending: Operational Requirements

3. Collateral Provided by the Borrowing Company: (1) Description: None (2) Value (in thousand NT$): 0

4. Latest Financial Statement Information of the Borrowing Company: (1) Capital (in thousand NT$): 854,188 (2) Accumulated Profits and Losses (in thousand NT$): 10,163,573

5. Interest Calculation Method: Interest shall be calculated based on the Taiwan Bank's base interest rate as of January 1 of the year to which the lending period belongs. The Chairman is authorized to handle related matters.

6. Repayment Terms: (1) Conditions: Repayment at Maturity (2) Date: July 26, 2027

7. Total Outstanding Loan Balance as of the Event Date (in thousand NT$): 995,000

8. Ratio of Outstanding Loan Balance to the Net Assets of the Publicly Issued Company in the Latest Financial Statements: 5.50%

9. Source of Funds Lent: Subsidiary's Own Funds

10. Other Matters to be Disclosed: None