Yulon Appoints Lin Chih-Cheng as New Chairman

Release Date: June 23, 2026 Statement Date: June 22, 2026 Statement Time: 19:11:34 Company Code: 2233 Company Name: Yulon Subject: Resignation of Chairman and Appointment of New Chairman Applicable Clause: Clause 6 Event Date: June 22, 2026

Details: 1. Board Resolution or Change Date: June 22, 2026 2. Position (Chairman or General Manager): Chairman 3. Former Name: Hsing Hsing Industrial Co., Ltd., Representative: Liu Chun-Chang 4. Former Resume: Chairman of Yulon Technology Inc. 5. New Name: Hsing Hsing Industrial Co., Ltd., Representative: Lin Chih-Cheng 6. New Resume: Chairman of Hsing Hsing Industrial Co., Ltd. 7. Nature of Change (Please enter '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: June 22, 2026 10. Additional Notes: On June 22, 2026, the company received the resignation of its Chairman, effective immediately on the same date. On the same day, June 22, 2026, the board of directors convened and elected Director Lin Chih-Cheng as the new Chairman.