[Uni Precision] Announcement of Director Change at Key Subsidiary Honghua Sheng Precision Electronics (Yantai) Co., Ltd.

1. Date of Change: 2026/08/14 2. Type of Personnel Change (e.g., Legal Person Director, Legal Person Supervisor, Independent Director, Natural Person Director, or Natural Person Supervisor): Natural Person Director, Supervisor 3. Former Title and Name: Chairman Chen Yu-Yuan / Supervisor Chen Xiao-Guang 4. Former Personnel Background: Assistant Manager at Uni Precision Technology / Deputy Manager at Honghua Sheng Precision 5. New Title and Name: Chairman Hsu Geng-Rong / Supervisor Tai Zhi-Hao 6. New Personnel Background: Department Head at Uni Precision Technology / Assistant Manager at Uni Precision Technology 7. Nature of Change (e.g., Resignation, Removal, Term Expiration, Death, or New Appointment): Resignation 8. Reason for Change: Job restructuring 9. Number of Shares Held by New Appointee at Time of Election: Not applicable 10. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): None 11. Effective Date of New Appointment: 2026/08/14 12. Percentage of Concurrent Director Changes: 33% 13. Percentage of Concurrent Independent Director Changes: 0% 14. Percentage of Concurrent Supervisor Changes: 100% 15. Does this constitute a change of one-third or more of the directors? No 16. Other Matters to be Clarified (if the subject is a publicly listed company, this announcement may also qualify as a material event under Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act): None

This leadership transition is part of internal organizational optimization within the Uni Precision group, aiming to enhance management efficiency and strategic alignment. The new appointees bring extensive managerial experience from Uni Precision Technology and are expected to strengthen corporate governance and support sustainable growth at the Yantai-based subsidiary, which specializes in precision electronic components for consumer electronics and IoT devices.