[Wan Hai] Announcement regarding the convener of the 4th Audit Committee

1. Date of change: 115/05/28. 2. Name of functional committee: Audit Committee. 3. Name of predecessor: Lai Jung-nien. 4. Resume of predecessor: Independent Director of the Company / Convener and Member of the Audit Committee / Convener and Member of the Remuneration Committee. 5. Name of successor: Tseng Chung-chi. 6. Resume of successor: Former Prosecutor of the Taiwan High Prosecutors Office. 7. Status of change: Newly appointed. 8. Reason for change: Election of the Audit Committee convener. 9. Original term: 112/05/30 ~ 115/05/29. 10. Effective date of new appointment: 115/05/28. 11. Other matters: The Audit Committee members elected Tseng Chung-chi as the convener.