[Ritek] Announcement of Expiration of Term for Compensation Committee Members

1. Date of Change: 06/16/2026 2. Name of Functional Committee: Compensation Committee 3. Former Members: Independent Director Chen, Chun-Chao; Independent Director Chang, Tso-Hsia; Independent Director Sung, Szu-Chun 4. Former Members' Resumes: Chen, Chun-Chao — Independent Director, Ritek Corporation Chang, Tso-Hsia — Independent Director, Ritek Corporation Sung, Szu-Chun — Independent Director, Ritek Corporation 5. New Members: To be appointed by the newly elected board of directors 6. New Members' Resumes: To be appointed by the newly elected board of directors 7. Nature of Change (please enter 'resignation', 'dismissal', 'end of term', 'death', or 'new appointment'): End of Term 8. Reason for Change: The company's board of directors was fully re-elected on 06/16/2026, and the Compensation Committee's term aligns with that of the board. 9. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): 06/19/2023 ~ 06/18/2026 10. Effective Date of New Appointment: Not yet appointed 11. Other Matters to be Disclosed: New Compensation Committee members will be announced following their appointment by the board of directors.