[科嘉-KY] Cumulative government bond repo transactions by 7 subsidiaries within one year

1. Security Name: Shanghai Stock Exchange One-Day Treasury Bond Repo (GC001), Code 204001 2. Transaction Date: 2026/6/4 - 2026/6/4 3. Board Approval Date: Not applicable 4. Other Authorization Date: Authority: Chairman's approval June 4, 2026 5. Transaction Volume, Unit Price, and Total Amount: 艾普來: 86,340 units, Average yield 1.390% 百宏: 100,480 units, Average yield 1.380% 嘉財: 485,640 units, Average yield 1.380% 嘉皇: 219,160 units, Average yield 1.385% 嘉吉: 122,890 units, Average yield 1.380% 科德: 260,940 units, Average yield 1.380% 嘉駿: 349,370 units, Average yield 1.375% Total Amount: 162,488 thousand RMB (approx. 747,402 thousand NTD) 6. Profit (Loss) from disposal: 6 thousand RMB profit 7. Relationship with Target: Not a related party 8. Cumulative Holdings: None of the subsidiaries hold these securities, no pledges. 9. Financial Status: Ratio to Total Assets: 15.02% Ratio to Shareholders' Equity: 20.92% Operating Capital: 2,612,388 thousand NTD 10. Purpose: Investment and financial management 11. Dissenting opinions from directors: None 12. Related party transaction: No 13. Transaction counterparties: Not applicable 14. Audit committee approval date: Not applicable 15. Prior disclosure date: Not applicable 16. Other information: None