[Photomask] Announcement of the Termination of the 6th Compensation Committee Members and Future Appointment of the 7th Committee

1. Effective Date of Change: 115/06/18 2. Name of Functional Committee: Compensation Committee 3. Former Members: Wang Wei-Chen (Independent Director), Cheng Huan-Kuei (Independent Director), Chan Hui-Fen (Independent Director), Chou Chi-Jen 4. Former Members' Background: Wang Wei-Chen: Independent Director, Photomask Inc. Cheng Huan-Kuei: Independent Director, Photomask Inc. Chan Hui-Fen: Independent Director, Photomask Inc. Chou Chi-Jen: Director, Foundation for交da Szu-Yuan 5. New Members: To be appointed 6. New Members' Background: Not applicable 7. Nature of Change: Term Expiration 8. Reason for Change: Original term has expired; the 7th committee members are to be appointed 9. Original Term: 112/05/24 ~ 115/05/23 10. Effective Date of New Appointment: 115/06/18 11. Other Matters: None Keyword: Material Information