[Wisdom Marine] Announcement on Cash Dividend Record Date and Related Matters

1. Date of board resolution or company decision: May 22, 2026 2. Type of ex-rights/ex-dividends: Ex-dividend 3. Type and amount of cash dividends for common shares: Approximately 3.5 TWD per share, totaling 2,612,432,197 TWD 4. Ex-dividend trading date: June 10, 2026 5. Last transfer date: June 11, 2026 6. Suspension of transfer start date: June 12, 2026 7. Suspension of transfer end date: June 16, 2026 8. Ex-dividend record date: June 16, 2026 9. Last conversion application date for bonds: Not applicable 10. Suspension of bond conversion start date: Not applicable 11. Suspension of bond conversion end date: Not applicable 12. Common stock cash dividend payment date: July 13, 2026 13. Other matters: In the event of changes in outstanding shares due to share buybacks, cancellations, employee stock option exercises, capital increases, convertible bond conversions, GDR issuance, etc., which necessitate adjustment of the dividend rate, the Chairman is authorized to handle the matter.