[Yulon] Supplement: Announcement of Chairman and General Manager Change at Key Subsidiary Zhejiang Yuzuan Precision Components Co., Ltd.

1. Date of board resolution or change occurrence: 2026/06/22

2. Position (please enter Chairman or General Manager): Chairman and General Manager

3. Former incumbent's name: Liu Jun-Chang

4. Former incumbent's resume: Chairman of Yulon Technology Co., Ltd.

5. New appointee's name: Not applicable

6. New appointee's resume: Not applicable

7. Nature of change (please enter 'resignation', 'dismissal', 'end of term', 'duty 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 issued company or above, this significant information also meets Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters significantly affecting shareholders' rights or securities prices): None

Keywords: Significant Information