Temporary suspension of Nanobiotix shares on Euronext Paris

Nanobiotix, a biotechnology company, announces the temporary suspension of trading in its ordinary shares on Euronext Paris, effective May 21, 2026, at the market opening. This decision is part of its Global Offering, comprised of an ADS in the United States and an International Offering in Europe for qualified investors. The objective is to confirm the allocations to investors and announce the final terms of the Global Offering.

This suspension will remain in effect until further notice from the company. Nanobiotix plans to resume negotiations at 3:30 p.m. Paris time on the same day.