Cellectis S.A. to Explore Possible Initial Public Offering of Calyxt, Inc. NEW YORK--(BUSINESS WIRE)

S.A. to Explore Possible Initial Public Offering of Calyxt, Inc.

NEW YORK--(BUSINESS WIRE)--April 12, 2017--Regulatory News:

Cellectis (Paris:ALCLS) (NASDAQ:CLLS) (Alternext: ALCLS; Nasdaq: CLLS)

today announces that it is exploring the possibility of an initial

public offering (IPO) of a minority interest in its plant sciences

business, Calyxt, Inc. No decisions have been taken at this point on the

structure or timing of any IPO, and no assurance can be given that an

IPO will be pursued.

This press release contains inside information within the meaning of

Article 7(1) of the EU Market Abuse Regulation.

This press release is being made pursuant to, and in accordance with,

Rule 135 under the Securities Act of 1933, as amended. This press

release does not constitute an offer to sell or the solicitation of an

offer to buy securities, and shall not constitute an offer, solicitation

or sale in any jurisdiction in which such offer, solicitation or sale

would be unlawful prior to registration or qualification under the

securities laws of that jurisdiction.

Jennifer Moore, 917-580-1088

KCSA Strategic Communications

Harnest, 646-385-9008

VP of Corporate Strategy and Finance