Monthly information related to total number of voting rights and shares composing the share capital – May 30, 2020

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)