CELLECTIS A Soci t Anonyme with a share capital of 1,751,443.70 Registered Office: 8, rue de la Croix Jarry - 75013 Paris Paris Trade & Companies Register (RCS) 428 859 052

Soci t Anonyme with a share capital of 1,751,443.70

Registered Office: 8, rue de la Croix Jarry - 75013 Paris

Paris Trade & Companies Register (RCS) 428 859 052

As a shareholder of Cellectis, you are

hereby invited to the Combined Ordinary and Extraordinary General Meeting to be held at 2:30p.m. on May 18, 2015 at Company s office located 11 rue Watt 75013 Paris, to deliberate the following agenda:

Agenda for the Ordinary General Meeting

Agenda for the Extraordinary General Meeting