Chia Yu Si-Chuang: Announcement of the Company's Board of Directors Approval of the Q1 2026 Financial Report

1. Date of report to the board of directors or approval by the board of directors: 115/05/12. 2. Date of approval by the audit committee: 115/05/12. 3. Reporting period of financial report or independently compiled financial information for the year, beginning and ending dates (XXX/XX/XX~XXX/XX/XX): 115/01/01~115/03/31. 4. Cumulative operating revenue from January 1 to the current period (in thousands of NTD): 28,453. 5. Cumulative operating gross profit (gross loss) from January 1 to the current period (in thousands of NTD): 15,806. 6. Cumulative operating income (loss) from January 1 to the current period (in thousands of NTD): (10,488). 7. Cumulative net profit (net loss) before tax from January 1 to the current period (in thousands of NTD): (8,581). 8. Cumulative net profit (net loss) for the current period from January 1 to the current period (in thousands of NTD): (8,581). 9. Cumulative net profit (loss) attributable to owners of parent from January 1 to the current period (in thousands of NTD): (8,581). 10. Cumulative basic earnings (loss) per share from January 1 to the current period (in NTD): (0.27). 11. Total assets at the end of the period (in thousands of NTD): 294,913. 12. Total liabilities at the end of the period (in thousands of NTD): 15,212. 13. Equity attributable to owners of parent at the end of the period (in thousands of NTD): 279,701. 14. Other matters that should be specified: None.