Taisei: Announcement of Board of Directors' Approval of Q1 2026 Consolidated Financial Report

1. Date of Board Resolution or Reporting to Board of Directors: 2026/05/11 2. Date of Audit Committee Approval: 2026/05/11 3. Reporting Period of Financial Report or Annual Self-Audited Financial Information: From 2026/01/01 to 2026/03/31 4. Cumulative Operating Revenue from January 1 to Current Period (in thousands of NTD): 324,393 5. Cumulative Operating Gross Profit (Gross Loss) from January 1 to Current Period (in thousands of NTD): 168,845 6. Cumulative Operating Income (Loss) from January 1 to Current Period (in thousands of NTD): 52,334 7. Cumulative Pre-tax Net Profit (Net Loss) from January 1 to Current Period (in thousands of NTD): 68,546 8. Cumulative Net Profit (Net Loss) for Current Period from January 1 to Current Period (in thousands of NTD): 53,241 9. Cumulative Net Profit (Loss) Attributable to Parent Company Owners from January 1 to Current Period (in thousands of NTD): 45,668 10. Cumulative Basic Earnings (Loss) Per Share from January 1 to Current Period (in NTD): 0.13 11. Total Assets at Period End (in thousands of NTD): 14,733,729 12. Total Liabilities at Period End (in thousands of NTD): 4,965,261 13. Equity Attributable to Parent Company Owners at Period End (in thousands of NTD): 7,839,735 14. Other Matters to Be Stated: None