Monthly information related to total number of voting

Article 223-16 of general regulation of French Autorité des Marchés Financiers

Lyon – France

Listing markets:
Euronext Paris from Euronext (Market segment C – ISIN Code: FR0011471135- Symbol: ERYP) &
Nasdaq Global Select Market in the United-States (Symbol : ERYP)
Website : www.erytech.com

⁽¹⁾   Gross voting rights number (or « theoretical » voting rights) is used as a basis for calculating the crossing of the threshold. In accordance with article 223-11 of general regulation of Autorité des Marchés Financiers, this number is calculated on the basis of all shares carrying the single and double voting rights, including shares without voting rights.
⁽²⁾   Without treasury shares.

• CP_Déclaration Droits de Vote 28 02 2022 vENG