[Ritek] Announcement of Change in Members of the Audit Committee

1. Date of Change: 115/06/16 2. Name of Functional Committee: Audit Committee 3. Former Members: Chen Junzhao (Independent Director), Zhang Zuoxia (Independent Director), Song Sijun (Independent Director) 4. Former Members' Resumes: Chen Junzhao – Independent Director, Ritek Corporation Zhang Zuoxia – Independent Director, Ritek Corporation Song Sijun – Independent Director, Ritek Corporation 5. New Members: Li Jingwen (Independent Director), Zhang Zuoxia (Independent Director), Song Sijun (Independent Director) 6. New Members' Resumes: Li Jingwen – Independent Director, Ritek Technology Corporation Zhang Zuoxia – Independent Director, Ritek Corporation Song Sijun – Independent Director, Ritek Corporation 7. Nature of Change (enter 'resignation', 'removal', 'end of term', 'death', or 'new appointment'): End of Term 8. Reason for Change: The company's directors were fully re-elected on 115/6/16, and the Audit Committee members are now composed of newly appointed independent directors. 9. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): 112/06/19 - 115/06/18 10. Effective Date of New Appointment: 115/06/16 11. Other Matters to be Stated: None. Keyword: Material Information