【Hocason Biotech】Announcement of Change in Corporate Director's Representative and Change of Over One-Third of the Board of Directors

1. Date of change: 2026/05/18 2. Type of personnel (Please enter corporate director, corporate supervisor, independent director, natural person director, or natural person supervisor): Corporate Director 3. Title and name of the former appointee: TCI Co., Ltd. representative: Jane Fu 4. Brief resume of the former appointee: Director of TCI Gene Inc. 5. Title and name of the new appointee: TCI Co., Ltd. representative: Chiu-Yueh Lee 6. Brief resume of the new appointee: Senior Vice President of TCI Co., Ltd. 7. Nature of change (Please enter 'resignation', 'dismissal', 'term expired', 'deceased', or 'new appointment'): New appointment 8. Reason for change: Re-appointment of representative by the corporate director 9. Shareholding of the new appointee at the time of election: Not applicable 10. Original term of office (e.g., yyyy/mm/dd ~ yyyy/mm/dd): 2024/06/13 to 2027/06/12 11. Effective date of the new appointment: 2026/05/18 12. Ratio of change in directors during the same term: 4/9 13. Ratio of change in independent directors during the same term: 1/3 14. Ratio of change in supervisors during the same term: Not applicable 15. Whether there is a change of over one-third of the directors (Please enter Yes or No): Yes 16. Other remarks: None.