[Wha-Yih] Announcement of Board of Directors' Approval of Consolidated Financial Report for Q1 2026

1. Date of Board Reporting or Resolution: 2026/05/12 2. Date of Audit Committee Approval: 2026/05/12 3. Reporting Period for Financial Report or Year-End Self-Compiled Financial Information (XXX/XX/XX~XXX/XX/XX): 2026/01/01~2026/03/31 4. Cumulative Operating Revenue from January 1 to Current Period (in thousands NT$): 2,424,471 5. Cumulative Gross Profit (or Loss) from January 1 to Current Period (in thousands NT$): 492,844 6. Cumulative Operating Profit (or Loss) from January 1 to Current Period (in thousands NT$): 320,616 7. Cumulative Profit Before Tax (or Loss) from January 1 to Current Period (in thousands NT$): 344,786 8. Cumulative Net Profit (or Loss) for the Period from January 1 to Current Period (in thousands NT$): 264,804 9. Cumulative Net Profit (or Loss) Attributable to Parent Company Owners from January 1 to Current Period (in thousands NT$): 264,726 10. Cumulative Basic Earnings Per Share (or Loss) (in NT$): 0.55 11. Total Assets at End of Period (in thousands NT$): 12,130,526 12. Total Liabilities at End of Period (in thousands NT$): 3,134,319 13. Owner's Equity Attributable to Parent Company Owners at End of Period (in thousands NT$): 8,731,133 14. Other Matters to be Explained: None. Keywords: Material Information