[Polaris Group-KY] Announcement of the Board of Directors electing the Chairman

1. Date of the board of directors resolution or date of occurrence of the change: 2026/05/15 2. Type of personnel (enter chairman or general manager): Chairman 3. Name of the former position holder: Chen Xian-Zhe 4. Resume of the former position holder: Chairman of Polaris Group 5. Name of the new position holder: Chen Xian-Zhe 6. Resume of the new position holder: Chairman of Polaris Group 7. Circumstances of change (enter "resignation", "dismissal", "term expired", "job adjustment", "severance", "retirement", "death" or "new appointment"): Term expired 8. Reason for the change: Re-election upon expiration of term 9. Effective date of the new appointment: 2026/05/15 10. Other matters to be specified: None