7788 Matsukawa Precision Announces Supervisor Change at Xiamen Subsidiary

Release Date: July 2, 2026 Statement Date: July 1, 2026 Statement Time: 15:05:14 Company Code: 7788 Company Name: Matsukawa Precision

Subject: Announcement of Supervisor Change at Key Subsidiary Matsukawa (Xiamen) Precision Electronics Co., Ltd. Applicable Clause: Clause 6 Event Date: July 1, 2026

Details: 1. Date of Change: July 1, 2026 2. Category of Appointed or Changed Personnel (Corporate Director, Corporate Supervisor, Independent Director, Individual Director, or Individual Supervisor): Individual Supervisor 3. Former Personnel Title and Name: (1) Supervisor: Li Yigang 4. Former Personnel Background: (1) Supervisor: Li Yigang / Supervisor, Matsukawa (Xiamen) Precision Electronics Co., Ltd. 5. New Personnel Title and Name: (1) Supervisor: Wu Songren 6. New Personnel Background: (1) Supervisor: Wu Songren / Director and General Manager, Matsukawa Precision Co., Ltd. 7. Nature of Change (Please enter 'Resignation', 'Dismissal', 'End of Term', 'Deceased', or 'New Appointment'): New Appointment 8. Reason for Change: Replacement of Supervisor 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): Not Applicable 11. Effective Date of New Appointment: July 1, 2026 12. Director Turnover Rate During Same Term: Not Applicable 13. Independent Director Turnover Rate During Same Term: Not Applicable 14. Supervisor Turnover Rate During Same Term: 100% 15. Is the Change Involving One-Third or More of Directors? (Yes or No): No 16. Additional Notes: This change was implemented pursuant to the shareholder resolution of Matsukawa (Xiamen) Precision Electronics Co., Ltd. dated July 1, 2026.