ACEPI Announces Ex-Dividend Record Date

Announcement Date: 2026/05/16 Statement Date: 2026/05/15 Statement Time: 14:45:04 Company Code: 6909 Company Name: ACEPI (創控) Subject: Announcement of Ex-Dividend Record Date Article: Clause 14 Date of Event: 2026/05/15 Explanation: 1. Date of Board of Directors/Shareholders' Meeting resolution: 2026/05/15 2. Category of rights distribution (stock/cash dividend): Cash dividend. 3. Type and amount of cash dividend for common shares: Cash dividend of NT$67,222,200, at NT$1 per share. 4. Ex-dividend trading date: 2026/06/01 5. Last transfer date: 2026/06/02 6. Starting date of suspension of transfer: 2026/06/03 7. Ending date of suspension of transfer: 2026/06/07 8. Ex-dividend record date: 2026/06/07 9. Last conversion date for bonds: Not applicable 10. Starting date of suspension of bond conversion: Not applicable 11. Ending date of suspension of bond conversion: Not applicable 12. Cash dividend payment date: 2026/06/29 13. Other matters to be specified: None.