【Huaxing】Company Announces New Funds Lending Amount Reaches the Provision of Article 22, Paragraph 1, Subparagraph 3 of the "Regulations Governing the Loaning of Funds and Endorsements/Guarantees by Public Companies"

1. Date of occurrence of the event: 2026/05/12 2. Recipient of the fund loan: (1) Company name: Huaneng Optoelectronics Technology Co., Ltd. (2) Relationship with the company lending funds to others: A subsidiary with a direct shareholding of 96.59%. (3) Limit of fund lending (in thousands of TWD): 374,624 (4) Original outstanding balance of fund lending (in thousands of TWD): 100,000 (5) Amount of new fund lending (in thousands of TWD): 100,000 (6) Is this a fund loan authorized by the board of directors for the chairman to disburse in installments or on a revolving basis to the same borrower: No (7) Outstanding balance of fund lending as of the date of occurrence (in thousands of TWD): 200,000 (8) Reason for the new fund lending: Operational working capital. 3. Collateral provided by the recipient of the fund loan: (1) Content: None. (2) Value (in thousands of TWD): 0 4. Recipient of the fund loan's most recent financial statements: (1) Capital (in thousands of TWD): 350,000 (2) Accumulated profit/loss (in thousands of TWD): -58,997 5. Interest calculation method: Calculated at an annual interest rate of 2.1%. 6. Repayment: (1) Conditions: Principal and interest to be repaid in a lump sum upon maturity. (2) Date: Within one year from the date of disbursement. 7. Outstanding balance of fund lending as of the date of occurrence (in thousands of TWD): 257,356 8. Ratio of outstanding fund lending to the net worth of the public company's most recent financial statements as of the date of occurrence: 27.48% 9. Source of the company's funds lent to others: Parent company. 10. Other matters that need to be specified: None.