Cellectis — Director's Dealing 2018

May 21, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Calyxt, Inc. (CLXT)
CIK: 0001705843
Period of Report: 2018-05-17

Reporting Person: Cellectis S.A. (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-17	Common Stock	J	550000	$15.00	Acquired	22650000	Direct

Footnotes

F1: Purchased directly from Calyxt, Inc. in Calyxt, Inc.'s public offering pursuant to the registration statements on Form S-1 (333-224945 and 333-225017). The shares of common stock were purchased at the public offering price.