Zhan Da Announcement: Company's Consolidated Financial Report for Q1 115 (2026) Approved by the Board of Directors

1. Date of Board Meeting or Resolution: 115/05/04 2. Date of Audit Committee Approval: 115/05/04 3. Reporting Period for Financial Report or Annual Self-Compiled 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 TWD): 823,559 5. Cumulative Gross Profit (or Loss) from January 1 to the Current Period (Thousands TWD): 77,379 6. Cumulative Operating Profit (or Loss) from January 1 to the Current Period (Thousands TWD): 7,863 7. Cumulative Profit (or Loss) Before Tax from January 1 to the Current Period (Thousands TWD): 16,659 8. Cumulative Net Profit (or Loss) for the Period from January 1 to the Current Period (Thousands TWD): 13,358 9. Cumulative Net Profit (or Loss) Attributable to Owners of the Parent Company from January 1 to the Current Period (Thousands TWD): 13,358 10. Basic Earnings Per Share (Loss) from January 1 to the Current Period (NTD): 0.17 11. Total Assets at Period-End (Thousands TWD): 3,187,993 12. Total Liabilities at Period-End (Thousands TWD): 1,963,154 13. Equity Attributable to Owners of the Parent Company at Period-End (Thousands TWD): 1,224,839 14. Other Matters to be Noted: None.