Nanobiotix S.A.

We have adopted a Code of Conduct that is applicable to all of our, and our subsidiaries’, employees, executive board members and supervisory board members. The Code of Conduct is available on our website atwww.nanobiotix.com. Our supervisory board is responsible for overseeing the Code of Conduct and is required to approve any waivers of the Code of Conduct for employees, executive board members and supervisory board members. We expect that any amendments to the Code of Conduct, or any waivers of its requirements, will be disclosed on our website.