2233 Yulon - Lin Chih-Cheng Appointed New Chairman and General Manager of Zhejiang Yuzuan Precision Components Co., Ltd.

Announcement Date: July 2, 2026 Statement Date: July 1, 2026 Statement Time: 15:48:21 Company Code: 2233 Company Name: Yulon Subject: Announcement of Change in Chairman and General Manager of Key Subsidiary Zhejiang Yuzuan Precision Components Co., Ltd. Applicable Clause: Clause 6 Factual Date: July 1, 2026

Details: 1. Board Resolution or Change Date: July 1, 2026 2. Position (Chairman or General Manager): Chairman and General Manager 3. Former Name: Liu Chun-Chang 4. Former Resume: Chairman of Yulon Technology Co., Ltd. 5. New Appointee: Lin Chih-Cheng 6. New Resume: Chairman of Shen Hsing Industrial Co., Ltd. 7. Nature of Change (e.g., 'Resignation', 'Dismissal', 'Term Expiration', 'Duty Adjustment', 'Redundancy', 'Retirement', 'Deceased', or 'New Appointment'): New Appointment 8. Reason for Change: The former chairman resigned, and the board elected Lin Chih-Cheng as the new Chairman and General Manager. 9. Effective Date of New Appointment: July 1, 2026 10. Other Matters to Note: This significant information pertains to a publicly issued company and simultaneously meets the criteria under Article 7, Clause 6 of the Enforcement Rules of the Securities Trading Act regarding matters significantly affecting shareholder rights or securities prices. No additional matters to disclose.