MINNEAPOLIS-ST. PAUL, Minn. & NEW YORK--(BUSINESS WIRE)--Cellectis S.A. (Paris:ALCLS) (NASDAQ:CLLS) and Calyxt, Inc. (NASDAQ: CLXT) announced that the underwriters of Calyxt’s previously announced follow-on offering have exercised in full their option to purchase an additional 457,500 shares of Calyxt’s common stock. Including this full option exercise, total gross proceeds to Calyxt from the offering will be approximately $60.9 million. The closing of the offering is expected to occur on May 22, 2018, subject to customary closing conditions.

Calyxt is a consumer-centric food- and agriculture-focused company. Following the offering, Cellectis will own approximately 70.6% of Calyxt’s outstanding shares of common stock.

Citigroup, Goldman Sachs & Co. LLC and Jefferies are acting as book-running managers for the offering. Wells Fargo Securities is acting as lead manager and BMO Capital Markets Corp. is acting as co-manager.