[Polaris Pharmaceuticals KY] Announcement regarding the convener of the Remuneration Committee

1. Date of change: May 25, 2026 2. Name of functional committee: Remuneration Committee 3. Name of predecessor: Zhao Yingcheng 4. Resume of predecessor: General Manager, TSMC Solar 5. Name of successor: Zhao Yingcheng 6. Resume of successor: General Manager, TSMC Solar 7. Type of change (resignation, dismissal, term expiration, death, or new appointment): Term expiration 8. Reason for change: Term expiration 9. Original term: September 26, 2023 - June 11, 2026 10. Effective date of appointment: May 25, 2026 11. Other information: The members of the Remuneration Committee elected Zhao Yingcheng to serve as the convener for this term.