Dear Valued Business Partner,

Thank you for your continued trust and support.
Please be advised that ATTO CO., LTD. will relocate its head office on November 2, 2026.

New Address:
11F, Nihonbashi Honcho M-SQUARE
1-9-3 Nihonbashi-Honcho, Chuo-ku
Tokyo 103-0023
Japan

Telephone: +81-3-6262-6467
Facsimile : +81-3-6262-6468

Telephone and fax numbers will remain unchanged.

This relocation marks a new step in the company’s growth. Thank you for your continued support and partnership.

Sincerely,

ATTO CO., LTD.

Imako Aoyama
President