【Progate】Announcement by Subsidiary Progate Technology (Kunshan) Co., Ltd. of New Loan Amount Exceeding NT$10 Million and 2% of the Public Company's Latest Financial Statement Net Worth

1. Date of occurrence of the event: 2026/05/12 2. Recipient of the loan: (1) Company name: Progate (Nantong) Microelectronics Technology Co., Ltd. (2) Relationship with the company providing the loan: Subsidiary with 96.08% direct and indirect shareholding (3) Loan limit (in thousands of NTD): 0 (4) Original loan balance (in thousands of NTD): 54,989 (5) Amount of new loan this time (in thousands of NTD): 21,331 (6) Is this a loan authorized by the board of directors to the chairman for staggered disbursements or revolving credit to the same borrower: No (7) Loan balance up to the date of occurrence (in thousands of NTD): 76,320 (8) Reason for the new loan this time: Other receivables exceeding three months, reclassified as a loan by resolution of the board of directors 3. Collateral provided by the recipient of the loan: (1) Content: None (2) Value (in thousands of NTD): 0 4. Latest financial statement of the recipient of the loan: (1) Capital (in thousands of NTD): 2,083,500 (2) Accumulated profit/loss (in thousands of NTD): -1,530,274 5. Interest calculation method: As per contract 6. Repayment: (1) Conditions: Depends on the operating status of the subsidiary (2) Date: Depends on the operating status of the subsidiary 7. Loan balance up to the date of occurrence (in thousands of NTD): 508,850 8. Ratio of loan balance to the net worth of the public company's latest financial statement up to the date of occurrence: 85.78% 9. Source of funds for the company's loans to others: The subsidiary itself 10. Other matters that should be specified: None