【TPK-KY】Subsidiary TPK Asia Pacific Sdn. Bhd. Approves USD 30 Million Loan to Subsidiary Optera TPK Holding Pte. Ltd. (Meets Item 3 of Section 1)

1. Date of Fact: June 12, 2026

2. Recipient of Fund Loan: (1) Company Name: Optera TPK Holding Pte. Ltd. (2) Relationship with Lending Company: Affiliate (3) Loan Limit (in thousand NTD): 9,042,352 (4) Previous Loan Balance (in thousand NTD): 627,100 (5) Amount of New Loan (in thousand NTD): 940,650 (6) Whether the Board has authorized the Chairman to disburse funds multiple times or allow revolving use to the same borrower: Yes (7) Loan Balance as of Fact Date (in thousand NTD): 1,567,750 (8) Reason for New Loan: To meet the working capital needs of Optera TPK Holding Pte. Ltd.

3. Collateral Provided by Borrower: (1) Description: None (2) Value (in thousand NTD): 0

4. Latest Financial Statement of Borrower: (1) Capital (in thousand NTD): 48,763,022 (2) Accumulated Deficit (in thousand NTD): -1,797,861

5. Interest Calculation Method: Group Weighted Average Cost

6. Repayment Terms: (1) Conditions: Principal to be repaid in full at maturity. Early repayment and installment repayment are permitted prior to maturity. (2) Date: June 11, 2027 (Estimated Maturity Date)

7. Total Loan Balance as of Fact Date (in thousand NTD): 73,621,540

8. Ratio of Total Loan Balance to Net Equity on Issuer's Latest Financial Statement: 181.66%

9. Source of Loan Funds: Funds from the subsidiary itself

10. Other Disclosures: (1) USD amounts for loan balances and new loan amounts are converted to NTD at an exchange rate of 31.355 (2) Net equity of the lender and capital of the borrower are based on auditor-reviewed reports for Q1 2026 (3) Accumulated deficit of the borrower is based on USD figures from Q1 2026 auditor-reviewed reports, converted to NTD at an exchange rate of 31.995