Announcement of the Board of Directors' Approval of the Consolidated Financial Report for the First Quarter of 2026

1. Date of Board Resolution or Resolution by the Board of Directors: 115/05/11 2. Date of Audit Committee Approval: 115/05/11 3. Reporting Period for Financial Report or Annual Self-Reported Financial Information (XXX/XX/XX~XXX/XX/XX): 115/01/01~115/03/31 4. Cumulative Operating Revenue from January 1 to the current period (thousands of NTD): 1,141,779 5. Cumulative Gross Profit (Loss) from January 1 to the current period (thousands of NTD): 346,948 6. Cumulative Operating Profit (Loss) from January 1 to the current period (thousands of NTD): 151,285 7. Cumulative Pre-tax Net Profit (Loss) from January 1 to the current period (thousands of NTD): 174,206 8. Cumulative Net Profit (Loss) for the current period from January 1 (thousands of NTD): 115,999 9. Cumulative Net Profit (Loss) Attributable to Parent Company Owners from January 1 to the current period (thousands of NTD): 115,743 10. Basic Earnings (Loss) Per Share from January 1 to the current period (NTD): 3.24 11. Total Assets at End of Period (thousands of NTD): 5,176,169 12. Total Liabilities at End of Period (thousands of NTD): 991,394 13. Equity Attributable to Parent Company Owners at End of Period (thousands of NTD): 4,177,275 14. Other Matters to be Noted: None.