Matsukawa Precision Major Subsidiary Taihsing Electronics Co., Ltd. Announces Board Appointment of General Manager

1. Date of board resolution or change: 2026/06/08 2. Position (please enter Chairman or General Manager): General Manager 3. Name of former holder: Yang Wanlong 4. Resume of former holder: General Manager of Taihsing Electronics Co., Ltd. 5. Name of new holder: Yang Wanlong 6. Resume of new holder: General Manager of Taihsing Electronics Co., Ltd. 7. Type of change (please enter "resignation", "dismissal", "term expiry", "position adjustment", "layoff", "retirement", "death" or "new appointment"): New appointment 8. Reason for change: Appointment by the board 9. Effective date of new appointment: 2026/07/01 10. Other matters to be stated (if the subject of the event or resolution is a publicly listed company, this material information also meets the criteria under Article 7, Paragraph 6 of the Securities and Exchange Act Enforcement Rules for events having a material impact on shareholders' equity or securities prices): The appointment period is from July 1, 2026 to June 30, 2027.