Walsin Announces Intercompany Loans via Subsidiary Walsin Singapore Pte. Ltd.

1. Event Date: 115/08/07

2. Information on Recipient Companies:

(1) Company Name: PT. Sunny Metal Industry (2) Relationship with Lending Entity: PT. Sunny Metal Industry is a company in which Walsin Singapore Pte. Ltd. holds a combined stake of 79.61%. (3) Loan Limit (in thousand NTD): 13,987,930 (4) Previous Loan Balance (in thousand NTD): 7,003,193 (5) Amount of New Loan (in thousand NTD): 4,684,950 (6) Is this a board-authorized revolving or installment loan by the chairman to the same borrower?: No (7) Loan Balance as of Event Date (in thousand NTD): 11,688,143 (8) Reason for New Loan: Operational Needs

(1) Company Name: Walsin Lihwa Europe S.à r.l. (2) Relationship with Lending Entity: Walsin Lihwa Europe S.à r.l. is a company 100% owned by the parent of Walsin Singapore Pte. Ltd. (3) Loan Limit (in thousand NTD): 81,757,707 (4) Previous Loan Balance (in thousand NTD): 0 (5) Amount of New Loan (in thousand NTD): 4,527,923 (6) Is this a board-authorized revolving or installment loan by the chairman to the same borrower?: Yes (7) Loan Balance as of Event Date (in thousand NTD): 4,527,923 (8) Reason for New Loan: Operational Needs

3. Collateral Provided by Borrower:

(1) Description: None (2) Value (in thousand NTD): 0

4. Latest Financial Statement Data of Borrower:

(1) Capital (in thousand NTD): 22,659,130 (2) Accumulated Profit/Loss (in thousand NTD): 463,740

5. Interest Calculation Method: As stipulated in the contract

6. Repayment Terms and Schedule:

(1) Terms: As stipulated in the contract (2) Date: As stipulated in the contract

7. Total Loan Balance as of Event Date (in thousand NTD): 103,460,785

8. Ratio of Total Loan Balance to Net Worth in the Issuer’s Latest Financial Statements: 50.62%

9. Source of Lent Funds: The subsidiary’s own funds

10. Other Disclosures:

1. Capital of Borrowers in Their Latest Financial Statements (in thousand NTD): (1) PT. Sunny Metal Industry: 3,231,000 (2) Walsin Lihwa Europe S.à r.l.: 19,428,130

2. Accumulated Profit/Loss of Borrowers in Their Latest Financial Statements (in thousand NTD): (1) PT. Sunny Metal Industry: 1,047,846 (2) Walsin Lihwa Europe S.à r.l.: (584,106)

3. Exchange Rates: USD/NTD = 32.31, EUR/NTD = 37.19 (as of 2026/07/31)