【PSMC】Announcement of Board Resolution to Approve 2026 Q1 Consolidated Financial Report

1. Date of submission 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 of the financial report or annual self-audited financial information (XXX/XX/XX~XXX/XX/XX): 2026/01/01~2026/03/31 4. Cumulative operating revenue from January 1 to the current period (in thousands of NTD): 13,572,462 5. Cumulative operating gross profit (or loss) from January 1 to the current period (in thousands of NTD): 1,388,213 6. Cumulative operating income (or loss) from January 1 to the current period (in thousands of NTD): 14,226,108 7. Cumulative pre-tax net profit (or loss) from January 1 to the current period (in thousands of NTD): 14,331,913 8. Cumulative current period net profit (or loss) from January 1 to the current period (in thousands of NTD): 14,231,209 9. Cumulative net profit (or loss) attributable to owners of the parent company from January 1 to the current period (in thousands of NTD): 14,231,209 10. Cumulative basic earnings per share (or loss) from January 1 to the current period (in NTD): 3.36 11. Total assets at period-end (in thousands of NTD): 172,678,080 12. Total liabilities at period-end (in thousands of NTD): 76,101,188 13. Equity attributable to owners of the parent company at period-end (in thousands of NTD): 96,576,892 14. Other matters to be specified: None.