Notice of Change in Shareholder

We hereby announce that the shares held by our shareholder, WM Growth No. 4 Investment Limited Partnership, representing 90.1% of our company’s shares, have been transferred to Hibino Corporation, which is listed on the Tokyo Stock Exchange Standard Market under the securities code 2469.

As a result, our company will move forward as a member of the Hibino Group and strive for further growth and development.

We sincerely appreciate your continued support and guidance.

June 1, 2026
Sonora Technology