Monthly information related to total number of voting rights and shares composing the share capital _May 15, 2023

                 Monthly information related to total number of voting rights and shares composing the share capital _May 15, 2023. Article 223-16 of general regulation of French Autorité des Marchés FinanciersLyon – 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 DateTotal of shares composing the share capitalTotal of brut (1) voting rightsTotal of net (2) voting rightsNovember 30, 202231 018 55332 514 52832 512 028December 31, 202231 018 55332 514 82532 512 325January 31, 202331 018 55332 514 77132 512 271February 28, 202331 018 55332 516 87532 514 375March 31, 202331 018 55332 521 65232 519 152April 30, 202331 018 55332 521 64232 519 142May 15, 202334 120 29835 623 38735 620 887 (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.
Attachment

CP_Déclaration Droits de Vote 15 05 2023 vENG