Elan Announces Cash Dividend Record Date for 1H 2026

1. Date of board, shareholders' meeting resolution, or company decision: 08/05/2026 2. Type of rights/dividend adjustment (please enter 'rights adjustment', 'dividend adjustment', or 'rights and dividend adjustment'): Dividend adjustment 3. Type and amount of ordinary share dividend distribution: Cash dividend of NT$1,344,974,615 (NT$4.426 per ordinary share) 4. Ex-rights/dividend trading date: 08/21/2026 5. Last transfer date: 08/24/2026 6. Share transfer suspension start date: 08/25/2026 7. Share transfer suspension end date: 08/29/2026 8. Ex-rights/dividend record date: 08/29/2026 9. Final date for bond conversion application: Not applicable 10. Bond conversion suspension start date: Not applicable 11. Bond conversion suspension end date: Not applicable 12. Ordinary share cash dividend payment date: 09/17/2026 13. Is part or all of the cash dividend paid in foreign currency (please enter 'yes' or 'no'): No 14. Currency for foreign cash dividend payment: Not applicable 15. Recipients of foreign cash dividend: Not applicable 16. Method for determining foreign cash dividend exchange rate: Not applicable 17. Other matters to be disclosed: For registered mail delivery, the last transfer date will be determined by the postmark of 08/24/2026.