AT TOKYO Receives the Highest “Platinum” Rating
in EcoVadis Sustainability Assessment for Third Consecutive Year

AT TOKYO Corporation (Headquarters: Koto-ku, Tokyo; President & Chief Executive Officer: Tatsuya Izumida; hereinafter “AT TOKYO”) has achieved the highest “Platinum” rating in the 2025 sustainability assessment conducted by EcoVadis^*1, a leading international sustainability rating agency based in France. This marks the third consecutive year that AT TOKYO has received the Platinum rating, following evaluations in 2023 and 2024^*2.

EcoVadis is an independent and highly trusted global rating organization that has assessed more than 150,000 companies and institutions worldwide. Guided by its vision of creating a global marketplace where sustainability intelligence influences every business decision—improving economies, people’s lives, and the planet we all depend on^*3—EcoVadis evaluates companies comprehensively across four key themes: Environment, Labor & Human Rights, Ethics, and Sustainable Procurement.

As a data center operator supporting Japan’s critical social infrastructure, AT TOKYO has been committed to a wide range of sustainability initiatives, including reducing greenhouse gas emissions to help realize a decarbonized society, promoting efficient use of water resources, enhancing occupational health and safety through ISO 45001 certification, advancing diversity and talent development, and ensuring strict compliance^*4.
AT TOKYO will continue to advance its corporate activities toward a sustainable society by maintaining its commitment to environmental stewardship, fostering a workplace where diverse talent can thrive with a sense of fulfillment, and upholding the highest standards of corporate ethics.

*1 EcoVadis
A global leader in business sustainability ratings founded in 2007 and headquartered in France.
https://ecovadis.com/about-us/

*2 AT TOKYO’s recognition page on the EcoVadis website
https://recognition.ecovadis.com/9_nmj-NpkUOZ9BGi-IHtSQ

*3 Quoted from the EcoVadis website: “Our Vision.”

*4 AT TOKYO Sustainability
https://www.attokyo.com/company/csr.html

Further Notes:
*All company names, product names, and logos included in this news release are the trade names, trademarks, or registered trademarks of their respective companies.
*The information in this news release is valid as of the date of announcement. Service and product fees, service content and specifications, and other information may be subject to change without notice.