[Unimicron] Announcement of the Company's Q1 2026 Financial Report

1. Date of presentation to or resolution by the board of directors: 2026/04/28 2. Date of approval by the audit committee: 2026/04/28 3. Reporting period for the financial report or annual self-consolidated financial information (YYYY/MM/DD~YYYY/MM/DD): 2026/01/01~2026/3/31 4. Operating revenue accumulated from January 1 to the end of this period (in thousands of NTD): 37,446,455 5. Operating gross profit (loss) accumulated from January 1 to the end of this period (in thousands of NTD): 6,726,042 6. Operating income (loss) accumulated from January 1 to the end of this period (in thousands of NTD): 2,756,634 7. Net profit (loss) before tax accumulated from January 1 to the end of this period (in thousands of NTD): 6,298,845 8. Net profit (loss) for this period accumulated from January 1 to the end of this period (in thousands of NTD): 5,380,738 9. Net profit (loss) attributable to owners of the parent company accumulated from January 1 to the end of this period (in thousands of NTD): 5,042,976 10. Basic earnings (loss) per share accumulated from January 1 to the end of this period (in NTD): 3.28 11. Total assets at the end of the period (in thousands of NTD): 266,881,071 12. Total liabilities at the end of the period (in thousands of NTD): 149,928,398 13. Equity attributable to owners of the parent company at the end of the period (in thousands of NTD): 113,384,008 14. Other matters to be specified: None