[Jie Lin] Announcement: Board of Directors Approves First Quarter 2026 Consolidated Financial Report.

1. Date of Board Reporting or Resolution: May 11, 2026 2. Date of Audit Committee Approval: May 11, 2026 3. Financial Reporting Period or Annual Self-Reported Financial Information Reporting Period (YYYY/MM/DD~YYYY/MM/DD): January 1, 2026 ~ March 31, 2026 4. Cumulative Operating Revenue from January 1 to the Current Period (in thousands of NT$): 1,357,374 5. Cumulative Gross Profit (or Loss) from January 1 to the Current Period (in thousands of NT$): 253,577 6. Cumulative Operating Income (or Loss) from January 1 to the Current Period (in thousands of NT$): 134,024 7. Cumulative Profit (or Loss) Before Tax from January 1 to the Current Period (in thousands of NT$): 129,371 8. Cumulative Net Profit (or Loss) for the Period from January 1 to the Current Period (in thousands of NT$): 102,064 9. Cumulative Net Profit (or Loss) Attributable to Owners of the Parent Company from January 1 to the Current Period (in thousands of NT$): 102,064 10. Basic Earnings Per Share (Loss) from January 1 to the Current Period (in NT$): 1.00 11. Total Assets at End of Period (in thousands of NT$): 5,486,212 12. Total Liabilities at End of Period (in thousands of NT$): 2,514,807 13. Equity Attributable to Owners of the Parent Company at End of Period (in thousands of NT$): 2,971,405 14. Other Matters to be Noted: None.