[Polaris Group] Announcement Regarding the Change of Director at Subsidiary, LianYang Pharma

1. Date of change: 2026/05/25 2. Personnel category: Natural person director 3. Name and title of predecessor: Chen Hong-wen, Director of LianYang Pharma 4. Profile of predecessor: Director of LianYang Pharma 5. Name and title of successor: Hou Yu-hsiang, Director of LianYang Pharma 6. Profile of successor: Human Resources Director at LianYang Biopharma 7. Type of change: Resignation 8. Reason for change: Reallocation by the parent company 9. Shareholding at time of appointment: Not applicable 10. Original term: Not applicable 11. Effective date: Not applicable 12. Change ratio of directors for the same term: Not applicable 13. Change ratio of independent directors for the same term: Not applicable 14. Change ratio of supervisors for the same term: Not applicable 15. Whether changes involve more than one-third of directors: No 16. Other notes: None