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

Release Date: June 23, 2024 Statement Date: June 22, 2024 Statement Time: 19:17:27 Company Code: 2233 Company Name: Yulon Subject: Announcement of Chairman Change at Key Subsidiary Zhejiang Yuzuan Precision Components Co., Ltd. Applicable Clause: Clause 6 Event Date: June 22, 2024

Details: 1. Board Resolution or Change Date: June 22, 2024 2. Position (Chairman or General Manager): Chairman 3. Former Name: Liu Jun-Chang 4. Former Resume: Chairman of Yulon Technology Co., Ltd. 5. New Appointee Name: Not applicable 6. New Appointee Resume: Not applicable 7. Nature of Change (Resignation, Removal, Term Expiration, Job Adjustment, Dismissal, Retirement, Death, or New Appointment): Resignation 8. Reason for Change: Resignation 9. Effective Date of New Appointment: Not applicable 10. Other Matters to Note: This significant information, concerning a publicly issued company or above, simultaneously qualifies as a matter under Article 7, Clause 6 of the Enforcement Rules of the Securities and Exchange Act that significantly impacts shareholder rights or securities prices. However, there are no additional matters to disclose.