March 10, 2025

Dear Valued Business Partners,

We hope this letter finds you well. We would like to express our sincere gratitude for your continued
support.

We are pleased to inform you that, effective March 21, 2025, our company name Totsu Sangyo Co.,
Ltd. will be changed to Totsu Corporation.

In light of this change, please refer to the following details regarding the necessary updates to our
business transactions. We apologize for any inconvenience this may cause and appreciate your
understanding and cooperation.

Sincerely,

Akio Ohga
CEO
Totsu Sangyo Co., Ltd.