[Chang Hsin Group] Announcement on Ex-dividend Record Date for Subsidiary Fu Hsin Securities

1. Date of board, shareholders' meeting resolution or company decision: 2026/04/28 2. Type of stock split/dividend (please fill in "stock split", "cash dividend" or "stock split and cash dividend"): Cash dividend 3. Type and amount of dividend distribution: 60,027,987,000 Vietnamese Dong 4. Ex-dividend trading date: 2026/06/09 5. Last date for transfer registration: 2026/06/10 6. Start date of transfer suspension period: NA 7. End date of transfer suspension period: NA 8. Ex-dividend record date: 2026/06/10 9. Other matters that need to be specified: None