【Taiso】Announcement by Dongguan Taiso Electronics Co., Ltd., a Subsidiary, in accordance with Article 22, Paragraph 1, Subparagraphs 2 and 3 of the Regulations Governing the Lending of Funds and Endorsements/Guarantees by Public Companies

1. Date of occurrence of the event: 2026/05/07 2. Borrowing company: (1) Company name: Siyang Taiso Electronics Co., Ltd. (2) Relationship with the lending company: Affiliate (3) Loan limit (in thousands of NTD): 408,287 (4) Original outstanding loan balance (in thousands of NTD): 0 (5) Amount of new loan (in thousands of NTD): 138,900 (6) Is this a loan authorized by the Board of Directors for the Chairman to make multiple disbursements or revolving credit to the same borrower? Yes (7) Outstanding loan balance as of the date of occurrence (in thousands of NTD): 138,900 (8) Reason for this new loan: To meet operational capital needs 3. Collateral provided by the borrowing company: (1) Content: None (2) Value (in thousands of NTD): 0 4. Most recent financial statements of the borrowing company: (1) Capital (in thousands of NTD): 664,249 (2) Accumulated profit/loss (in thousands of NTD): -220,506 5. Interest calculation method: Calculated at an annual interest rate of 3% 6. Repayment: (1) Conditions: Revolving credit within the RMB 30 million limit, to be repaid within the term (2) Date: One year from the start date of utilization 7. Outstanding loan balance as of the date of occurrence (in thousands of NTD): 237,832 8. Ratio of outstanding loan balance to net worth of the public company's most recent financial statements as of the date of occurrence: 11.65% 9. Source of funds lent by the company to others: Subsidiary itself 10. Other matters that should be specified: The new loan amount of NT$138,900 thousand is based on a loan in original currency of RMB 30,000 thousand, calculated using the average spot buying/selling exchange rate of Taiwan Bank on April 30, 2026, which was 4.63. The term is from 2026.05.11 to 2027.05.10.