ChinTek Announces Board Member Change at Key Subsidiary Qinkun Technology (Kunshan) Co., Ltd.

1. Date of Change: 2026/06/18 2. Type of Appointment or Change (please select from: legal person director, legal person supervisor, independent director, individual director, or individual supervisor): Individual Director 3. Former Position and Name: Zhu Yongxiang 4. Former Member's Background: Director of Qinkun Technology (Kunshan) Co., Ltd. 5. New Member's Position and Name: Zhang Chao 6. New Member's Background: General Plant Manager of ChinTek's China Manufacturing Division 7. Nature of Change (please enter 'resignation', 'dismissal', 'end of term', 'deceased', or 'new appointment'): New Appointment 8. Reason for Change: Retirement and reassignment 9. Number of Shares Held by New Member at Time of Appointment: Not applicable 10. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): Not applicable 11. Effective Date of New Appointment: 2026/06/18 12. Proportion of Concurrent-Term Directors Changed: One-third 13. Proportion of Concurrent-Term Independent Directors Changed: Not applicable 14. Proportion of Concurrent-Term Supervisors Changed: Not applicable 15. Has more than one-third of directors changed during the same term? (please enter yes or no): No 16. Other Matters to be Disclosed (if the subject of the event or resolution is a publicly issued company or above, this significant information also meets the criteria under Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters significantly affecting shareholder rights or securities prices): None Keywords: Significant Information