QioTek Announces Change in Sustainability Committee Member

Announcement Date: August 7, 2026 Statement Date: August 6, 2026 Statement Time: 19:12:38 Company Code: 3057 Company Name: QioTek Subject: Personnel Change in the Company's Sustainability Committee Applicable Clause: Clause 6 Factual Date: August 6, 2026

Details: 1. Date of Change: August 6, 2026 2. Name of Functional Committee: Sustainability Committee 3. Former Member Name: Hui-Ling Chu 4. Former Member Resume: Assistant Manager of Human Resources and Legal Affairs at QioTek Information, Spokesperson 5. New Member Name: Wen-Piao Huang 6. New Member Resume: Deputy Project Manager, Finance Department, QioTek Information 7. Nature of Change (select from 'resignation', 'dismissal', 'end of term', 'deceased', or 'new appointment'): Resignation 8. Reason for Change: Personal career planning; plans to retire on September 30 9. Original Term: June 29, 2026 ~ June 28, 2029 10. Effective Date of New Appointment: September 30, 2026 11. Other Disclosures: None.