[WT MICROELECTRONICS] Announcement of Board of Directors' Approval of Q1 2026 Consolidated Financial Report

1. Date of submission to or resolution by the Board of Directors: 2026/05/08 2. Date of approval by the Audit Committee: 2026/05/08 3. Reporting period of the financial report or annual self-compiled financial information (YYYY/MM/DD~YYYY/MM/DD): 2026/01/01~2026/03/31 4. Cumulative operating revenue from January 1 to the current period (in thousands of NTD): 1,047,731 5. Cumulative operating gross profit (gross loss) from January 1 to the current period (in thousands of NTD): 351,386 6. Cumulative operating income (loss) from January 1 to the current period (in thousands of NTD): 143,273 7. Cumulative pre-tax net profit (net loss) from January 1 to the current period (in thousands of NTD): 175,219 8. Cumulative net profit (net loss) for the current period from January 1 (in thousands of NTD): 137,461 9. Cumulative net profit (loss) attributable to owners of the parent company from January 1 to the current period (in thousands of NTD): 137,922 10. Cumulative basic earnings (loss) per share from January 1 to the current period (in NTD): 0.70 11. Total assets at period-end (in thousands of NTD): 6,389,164 12. Total liabilities at period-end (in thousands of NTD): 2,035,867 13. Equity attributable to owners of the parent company at period-end (in thousands of NTD): 4,343,854 14. Other matters that should be specified: None Keywords: Material Information