ERYTECH Pharma S.A.

Declaration of Voting Results & Voting Rights Announcements • Oct 6, 2016

Information related to total number of voting rights and shares composing the share capital - September 2016

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

Listing market: Euronext Paris from Euronext Market segment : segment B

ISIN Code : FR0011471135

website : www.erytech.com

Date	Total of shares composing the share capital	Total of brut(1) voting rights	Total of net(2) voting rights
31 January 2016	7 924 611	9 706 437	9 703 937
29 February 2016	7 931 781	9 713 607	9 711 107
31 March 2016	7 931 781	9 663 167	9 660 667
30 April 2016	7 932 331	9662 627	9 660 127
31 May 2016	7 937 331	9 667 277	9 664 777
30 June 2016	7 937 331	9 667 131	9 664 631
31 July 2016	7 937 331	9 667 131	9 664 631
31 August 2016	7 937 331	9 667 131	9 664 631
30 September 2016	7 937 331	9 660 574	9 658 074

(1) Gross voting rights number (or « theoretical » voting rights) is used as a calculus base for 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