Information on the Total Number of Voting Rights (Denominator)

Liege, Belgium, 6 May 2021 – 17:45 CEST – In accordance with article 15 of the Belgian Act of 2 May 2007 on the disclosure of major participations in issuers of which shares are admitted to trading on a regulated market and regarding miscellaneous provisions, Mithra Pharmaceuticals SA (the “Company” or “Mithra”) announces the below information, following the issuance of 1,023,000 new shares on May 6, 2021 for a total amount of EUR 3,500,520 as the result of the exercise of 620 subscription rights (warrants) pursuant to the warrant plan initiated on March 2, 2015.