Cambridge, Massachusetts (United States) – Cellectis bioresearch, the specialist in genome customization and commercial subsidiary of Cellectis (Alternext: ALCLS), announces that it has been awarded a contract to provide services to the National Institutes of Health (NIH) and certain other government agencies.

This multiple award, indefinite delivery/indefinite quantity (IDIQ) contract, has a maximum order limit of $9,509,000 over a period of five years.

Under the terms of the contract, the scope of work includes generation of induced pluripotent stem (iPS) cell lines of clinical grade and differentiation of iPS cells toward specific tissue cell type of clinical grade.

This major contract confirms the relevance of Cellectis’s investment since 2010 in license agreements for Professor Yamanaka’s iPS patents. Furthermore Professor Shinya Yamanaka has been awarded the 2012 Nobel Prize in Medicine.

“This contract won through a NIH call for tenders is the largest ever secured by Cellectis bioresearch Inc.

It dedicates our company as a leading competitor and an expert in the field in the United States” said Marc Le Bozec, CEO of Cellectis bioresearch.

André Choulika, CEO of Cellectis declared: “this contract award granted by the most prestigious US research organization the NIH is a great recognition of our Science and confirms that Cellectis is one of the major players at developing stem cell technologies in both in vitro research applications and regenerative medicine.”

About Cellectis bioresearch

Established in 2008 as a subsidiary of Cellectis, Cellectis bioresearch provides life sciences researchers with genome customization tools and services, such as the award-winning TALEN™ Access™. The company also develops and markets genetically customized cells with characteristics and performances adapted to three main markets: drug discovery, gene function studies and protein production.

For further information, please visit www.cellectis-bioresearch.com

About Cellectis

Founded in France in 1999, the Cellectis Group is based on a highly specific DNA engineeringtechnology. Its application sectors are human health, agriculture and bio-energies. Co-created by André Choulika, its Chief Executive Officer, Cellectis is today one of the world leading companies in the field of genome engineering. The Group has a workforce of 230 employees working on 5 sites worldwide: Paris & Evry in France, Gothenburg in Sweden, St Paul (Minnesota) & Cambridge (Massachusetts) in the United States. Cellectis achieved in 2011 €16M revenues and has signed more than 80 industrial agreements with pharmaceutical laboratories, agrochemical and biotechnology companies since its inception. AFM,

Dupont, BASF, Bayer, Total, Limagrain, Novo Nordisk… are some of the Group’s clients and partners.Since 2007, Cellectis has been listed on NYSE-Euronext Alternext market (code: ALCLS) in Paris.

For more information, visit our website: www.cellectis.com