[Yulon] Announcement of Chairman Change at Key Subsidiary Zhejiang Yuzuan Precision Components Co., Ltd.

1. Date of Board Resolution or Change Event: 2026/06/22 2. Position (Please enter Chairman or General Manager): Chairman 3. Name of Former Executive: Liu Jun-Chang 4. Resume of Former Executive: Chairman of Yulon Technology Co., Ltd. 5. Name of New Executive: Not applicable 6. Resume of New Executive: Not applicable 7. Nature of Change (Please select 'Resignation', 'Dismissal', 'End of Term', 'Job Adjustment', 'Redundancy', 'Retirement', 'Deceased', or 'New Appointment'): Resignation 8. Reason for Change: Resignation 9. Effective Date of New Appointment: Not applicable 10. Other Matters to be Disclosed (If the subject is a publicly listed company, this material information also meets Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters significantly affecting shareholders' rights or stock prices): None

Keywords: Material Information