[Paiho] Announcement of Ex-Dividend Record Date for 2026

1. Date of the board of directors resolution, shareholders' meeting resolution, or company decision: 2026/06/05 2. Type of ex-rights or ex-dividend (please enter "ex-rights", "ex-dividend", or "ex-rights and ex-dividend"): Ex-dividend 3. Type and amount of dividends for common shares: Total cash dividend is NT$893,891,706, and NT$3 per share will be distributed. 4. Ex-dividend trading date: 2026/08/04 5. Last transfer date: 2026/08/05 6. Book closure starting date: 2026/08/06 7. Book closure ending date: 2026/08/10 8. Ex-dividend record date: 2026/08/10 9. Last date for bond conversion application: Not applicable 10. Starting date of bond conversion suspension: Not applicable 11. Ending date of bond conversion suspension: Not applicable 12. Payment date of cash dividend for common shares: 2026/08/31 13. Other matters to be specified: (1) The record date for cash dividend distribution is authorized by the board of directors to be determined by the chairman.