Monthly information related to total number of voting rights and shares composing the share capital _February 28, 2023

Erytech Pharma S.A.

              Monthly information related to total number of voting rights and shares composing the share capital _February 28, 2023.

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

Date	Total of shares composing the share capital	Total of brut (1) voting rights	Total of net (2) voting rights
November 30, 2022	31 018 553	32 514 528	32 512 028
December 31, 2022	31 018 553	32 514 825	32 512 325
January 31, 2023	31 018 553	32 514 771	32 512 271
February 28, 2023	31 018 553	32 516 875	32 514 375

⁽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 28 02 2023 vENG