【Yujingguang】Subsidiary Yujingguang Optoelectronics (Xiamen) Co., Ltd. Handles Funding Loans in Accordance with Article 22, Paragraph 1, Subparagraph 3 of the Regulations Governing Loaning of Funds and Endorsements/Guarantees by Public Companies

1. Date of occurrence of the event: 2026/05/13 2. Recipient of the funds loan: (1) Company name: Shenyang Lijing Optoelectronics Co., Ltd. (2) Relationship with the company providing the funds loan: Associated company (3) Funds loan limit (NTD thousands): 7,009,095 (4) Original funds loan balance (NTD thousands): 520,420 (5) Amount of this new funds loan (NTD thousands): 322,000 (6) Whether this is a funds loan where the board of directors authorizes the chairman to make multiple disbursements or revolving use to the same borrower: No (7) Funds loan balance as of the date of occurrence of the event (NTD thousands): 842,420 (8) Reason for this new funds loan: To meet Shenyang Lijing Optoelectronics Co., Ltd.'s operational turnover needs and for refinancing of existing loans. 3. Collateral provided by the recipient of the funds loan: (1) Content: None (2) Value (NTD thousands): 0 4. Latest financial statements of the recipient of the funds loan: (1) Capital (NTD thousands): 323,110 (2) Accumulated profit/loss (NTD thousands): -781,458 5. Interest calculation method: Annual interest rate not lower than the highest borrowing rate of Yujingguang Optoelectronics (Xiamen) Co., Ltd. for the same currency, with interest paid in full at maturity. 6. Repayment: (1) Conditions: To be repaid within the loan period, depending on the operational status of the recipient company. (2) Date: Repaid within one year from the loan date. 7. Funds loan balance as of the date of occurrence of the event (NTD thousands): 842,420 8. Ratio of funds loan balance to the net worth of the public company's latest financial statements as of the date of occurrence of the event: 3.23% 9. Source of the company's funds loaned to others: The subsidiary itself 10. Other matters that should be specified: None