[Zhongtan] Announcement of the Approval by the Board of Directors of the Company's Consolidated Financial Report for Q2 2026

1. Date reported to or resolved by the Board of Directors: 115/07/31 2. Date approved by the Audit Committee: 115/07/31 3. Reporting period for financial statements or self-prepared annual financial information: Start and end dates (XXX/XX/XX~XXX/XX/XX): 115/01/01~115/06/30 4. Cumulative operating revenue from January 1 to the end of this period (in thousands of NT$): 3,320,133 5. Cumulative gross profit (loss) from January 1 to the end of this period (in thousands of NT$): 781,798 6. Cumulative operating income (loss) from January 1 to the end of this period (in thousands of NT$): 485,325 7. Cumulative pre-tax net profit (loss) from January 1 to the end of this period (in thousands of NT$): 561,047 8. Cumulative net profit (loss) for the period from January 1 to the end of this period (in thousands of NT$): 480,618 9. Cumulative net profit (loss) attributable to owners of the parent from January 1 to the end of this period (in thousands of NT$): 480,618 10. Cumulative basic earnings (loss) per share from January 1 to the end of this period (in NT$): 2.07 11. Total assets at the end of the period (in thousands of NT$): 11,796,688 12. Total liabilities at the end of the period (in thousands of NT$): 3,782,180 13. Equity attributable to owners of the parent at the end of the period (in thousands of NT$): 8,014,508 14. Other matters to be disclosed: None