Powertech Technology Inc. Announces Loan to Subsidiary PTI Technology (Singapore) Pte. Ltd. in Accordance with Regulations for Publicly Issued Companies

1. Date of occurrence of the event: 2026/04/07 2. Recipient of the loan: (1) Company name: Powertech Technology Inc. (2) Relationship with the company providing the loan: Parent company of the company providing the loan. (3) Loan limit (NT$ thousands): 3,803,701 (4) Original outstanding loan balance (NT$ thousands): 0 (5) Amount of new loan (NT$ thousands): 2,398,500 (6) Is this a loan authorized by the board of directors for the chairman to disburse in installments or on a revolving basis to the same borrower: Yes (7) Outstanding loan balance as of the date of occurrence (NT$ thousands): 2,398,500 (8) Reason for this new loan: Operational needs 3. Collateral provided by the recipient of the loan: (1) Content: None (2) Value (NT$ thousands): 0 4. Latest financial statements of the recipient of the loan: (1) Capital (NT$ thousands): 7,591,466 (2) Accumulated profit/loss (NT$ thousands): 49,961,089 5. Interest calculation method: As per agreement. 6. Repayment: (1) Conditions: Repayment in full at maturity or early repayment. (2) Date: One year from the actual disbursement date. 7. Outstanding loan balance as of the date of occurrence (NT$ thousands): 5,916,300 8. Ratio of outstanding loan balance to net worth of publicly issued company's latest financial statements as of the date of occurrence: 10.51% 9. Source of funds for the company's loan to others: Subsidiary itself 10. Other matters that need to be specified: None