[Formosa Advanced Technologies] Announcement of the Company's Q1 2026 Financial Report Approved by the Board of Directors

1. Date of report to the board of directors or resolution by the board of directors: May 6, 2026 2. Date of approval by the audit committee: May 6, 2026 3. Reporting period for financial report or annual self-audited financial information Start and end dates (YYY/MM/DD~YYY/MM/DD): Jan 1, 2026~Mar 31, 2026 4. Cumulative operating revenue from Jan 1 to the current period (NT$ Thousands): 2,944,616 5. Cumulative operating gross profit (loss) from Jan 1 to the current period (NT$ Thousands): 575,751 6. Cumulative operating income (loss) from Jan 1 to the current period (NT$ Thousands): 474,525 7. Cumulative pre-tax net income (loss) from Jan 1 to the current period (NT$ Thousands): 532,938 8. Cumulative net income (loss) for the current period from Jan 1 to the current period (NT$ Thousands): 426,351 9. Cumulative net income (loss) attributable to owners of the parent from Jan 1 to the current period (NT$ Thousands): 426,351 10. Cumulative basic earnings (loss) per share from Jan 1 to the current period (NT$): 0.96 11. Total assets at period end (NT$ Thousands): 15,073,124 12. Total liabilities at period end (NT$ Thousands): 2,470,053 13. Equity attributable to owners of the parent at period end (NT$ Thousands): 12,603,071 14. Other matters that need to be specified: None