【PHOTOMASK】Announcement of New General Manager Appointment by Subsidiary Kuang-Chu Holding Co., Ltd.

1. Date of Board Resolution or Event Occurrence: 115/06/10 2. Position (Please specify Chairman or General Manager): General Manager 3. Name of Former Executive: None 4. Background of Former Executive: None 5. Name of New Executive: Chun-Kuang Yu, General Manager 6. Background of New Executive: Chairman of Photomask Taiwan Inc. and Chairman of Kuang-Chu Holding Co., Ltd. 7. Nature of Change (Please select from 'Resignation', 'Dismissal', 'End of Term', 'Job Reassignment', 'Severance', 'Retirement', 'Deceased', or 'New Appointment'): New Appointment 8. Reason for Change: The Photomask board approved the appointment of the General Manager of Kuang-Chu Holding. 9. Effective Date of New Appointment: 115/06/10 10. Other Matters to be Disclosed (If the subject of the event or resolution is a publicly listed company, this significant information also qualifies under Article 7, Clause 6 of the Enforcement Rules of the Securities and Exchange Act as a matter significantly affecting shareholder rights or securities prices): None

Keywords: Significant Information