ABIVAX: Information on share capital and voting rights as of October 31, 2025

On November 19, 2025, ABIVAX announced the number of shares comprising its share capital and the total number of voting rights as of October 31, 2025. The company's share capital is €778,289.18. The number of shares as of October 31, 2025, was 77,885,595. The total number of theoretical and exercisable voting rights was 82,920,728.

This information is governed by Articles L. 233-8 II of the French Commercial Code and 223-16 of the General Regulations of the French Financial Markets Authority (AMF). Theoretical voting rights include shares without voting rights, which are useful for calculating thresholds. Exercisable voting rights, however, exclude these shares, in accordance with the AMF recommendation of July 17, 2007.