[Sigurd] Announcement regarding the company's Board of Directors setting the ex-dividend record date and related matters

1. Date of Board of Directors/Shareholders' resolution or company decision: 2026/05/20 2. Type of Ex-rights/Ex-dividend: Ex-dividend 3. Type and amount of common stock dividends: Distributing approximately 4.2 TWD per share in cash dividends (totaling 2,032,431,766 TWD). Details: (1) Cash dividends from earnings: 1,306,563,278 TWD (2) Cash dividends from capital surplus: 725,868,488 TWD 4. Ex-dividend trading date: 2026/07/07 5. Final transfer date: 2026/07/08 6. Transfer stop start date: 2026/07/09 7. Transfer stop end date: 2026/07/13 8. Ex-dividend record date: 2026/07/13 9. Final conversion date for bonds: Not applicable 10. Bond conversion stop start date: Not applicable 11. Bond conversion stop end date: Not applicable 12. Common stock cash dividend payment date: 2026/07/24 13. Other matters: None