【Far EasTone】Announcement on behalf of important subsidiary, Arcoa Inc., regarding cash dividend ex-dividend record date

1. Date of resolution by board of directors, shareholders' meeting or company decision: 2026/04/28 2. Type of ex-rights/ex-dividend (please fill in "ex-rights", "ex-dividend" or "ex-rights and ex-dividend"): ex-dividend 3. Type and amount of dividend distribution: Cash dividend NT$177,249,600, with a proposed cash dividend of NT$1.32 per share. 4. Ex-rights (ex-dividend) trading date: NA 5. Last day for transfer registration: 2026/07/02 6. Beginning date for suspension of transfer registration: 2026/07/03 7. Ending date for suspension of transfer registration: 2026/07/07 8. Ex-rights (ex-dividend) record date: 2026/07/07 9. Other matters to be specified: The cash dividend payment date is scheduled to commence from 2026/07/24.