[Alpha Networks] Announcement on behalf of subsidiary Mingrui Electronics (Chengdu) Co., Ltd. regarding loaning of funds reaching reporting thresholds

1. Date of occurrence: 2026/05/15 2. Details of the borrower: (1) Company name: Mingtai Electronics Technology (Changshu) Co., Ltd. (2) Relationship with the lending company: Affiliate company (3) Loan limit (NT$ thousands): 532,129 (4) Original loan balance (NT$ thousands): 0 (5) Amount of new loan (NT$ thousands): 333,583 (6) Is the Chairman authorized by the Board to disburse funds in installments or revolvingly: No (7) Loan balance as of the date of occurrence (NT$ thousands): 333,583 (8) Reason for the new loan: Operating capital 3. Details of collateral provided by the borrower: (1) Content: None (2) Value (NT$ thousands): 0 4. Latest financial statements of the borrower: (1) Capital (NT$ thousands): 1,925,920 (2) Accumulated profit/loss (NT$ thousands): -661,108 5. Interest calculation method: Based on the mutually agreed annual interest rate of 0.65% 6. Repayment details: (1) Condition: According to the terms of the loan agreement (2) Date: Repayment due within one year from the date of the loan 7. Total loan balance to others as of the date of occurrence (NT$ thousands): 650,183 8. Ratio of total loan balance to the public company's net worth in the latest financial statements: 7.15% 9. Source of funds for loaning to others: Subsidiary's own funds 10. Other matters to specify: None.