September 11, 2019Calyxt® To Present at the Fall Investor Summit on September 17, 2019Minneapolis-St. Paul, Minn. – September 10, 2019 – Calyxt, Inc. (NASDAQ: CLXT), a healthy food ingredient company, today announced that management plans to present at the Fall Investor Summit in New York City.The Fall Investor Summit will take place at the Essex House and is an exclusive, independent conference dedicated to connecting small cap and microcap companies with qualified investors.Calyxt will present on Tuesday, September 17, 2019 at 11:30 a.m. Eastern Time. Click here for the link to the live webcast.The replay of the webcast will also be made available on the Company’s website at www.calyxt.com/investors for approximately 30 days following the live webcast.About CalyxtCalyxt is committed to making the food you love a healthier choice. The care we take extends beyond nutritional value. We partner with farmers and food companies to deliver traceable plant-based products developed to be healthier and more sustainable than their conventional counterparts. We use cutting edge plant breeding techniques to develop products that help improve diets by reducing bad fats, allergens and toxins. Today oil from our high oleic soybean plants has lower saturated fats than commodity soybean oil. We are also developing high fiber wheat designed to provide an excellent source of daily fiber when incorporated into wheat-based foods. We continuously pursue innovation to deliver good food that is good for you.Calyxt is located in Roseville, MN, and is listed on the Nasdaq market (ticker: CLXT). For further information please visit our website at www.calyxt.com.Calyxt®, Calyno™ and the corporate logo are trademarks owned by Calyxt, Inc.Media contact:Trina Lundblad, Communications DirectorPhone: +1 612-790-0514Email: firstname.lastname@example.orgInvestor Relations contacts:Simon Harnest, VP Corporate Strategy and FinancePhone: +1 646-385-9008 Email: email@example.comBill Koschak, Chief Financial OfficerPhone: +1 651-401-4401 Email: firstname.lastname@example.orgCalyxt Forward-Looking StatementsThis communication contains “forward-looking statements” within the meaning of the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. In some cases, you can identify these statements by forward-looking words such as “may,” “might,” “will,” “should,” “expects,” “plans,” “anticipates,” “believes,” “estimates,” “predicts,” “potential” or “continue,” the negative of these terms and other comparable terminology. These forward-looking statements, which are subject to risks, uncertainties and assumptions about us, may include projections of our future financial performance, our anticipated growth strategies and anticipated trends in our business. These statements are only predictions based on our current expectations and projections about future events. There are important factors that could cause our actual results, level of activity, performance or achievements to differ materially from the results, level of activity, performance or achievements expressed or implied by the forward-looking statements, including those factors discussed under the caption entitled “Risk Factors” in our Annual Report on Form 10-K, along with our other filings with the U.S. Securities and Exchange Commission. We do not assume any obligation to publicly provide revisions or updates to any forward-looking statements, whether as a result of new information, future developments or otherwise, should circumstances change, except as otherwise required by applicable laws.