Calyxt, Inc. (Nasdaq: CLXT), a plant-based synthetic biology company, will hold a conference call on Thursday, March 3, 2022, at 4:30 p.m. Eastern Time to discuss its results for the fourth quarter and full year ended December 31, 2021. A press release detailing these results will be issued prior to the call.

President and Chief Executive Officer, Michael A. Carr, and Chief Financial Officer, Bill Koschak, will host the conference call, followed by a question-and-answer session. The conference call will be accompanied by a presentation, which can be viewed during the webcast or accessed via the investor relations section of the Company's website here.

To access the call, please use the following information:

Participants should call the conference telephone number 5 to 10 minutes prior to the start time. An operator will register each participant's name and organization. The conference call will also be broadcast live and available for replay via the investor relations section of the Company's website here. A replay of the webcast will be available for 30 days following the event.

About Calyxt:

Calyxt (Nasdaq: CLXT) is a plant-based synthetic biology company. The Company leverages its proprietary PlantSpring™ technology platform to engineer plant metabolism to produce innovative high value plant-based chemistries for use in customers' materials and products. As plant-based solutions, the Company's synthetic biology products can be used in helping customers meet their sustainability targets and financial goals. Calyxt's diversified offerings are primarily delivered through its proprietary BioFactory™ production system. For more information, visit www.calyxt.com.

PlantSpring, BioFactory, Plant Cell Matrix™, and the Calyxt logo are trademarks of Calyxt, Inc. Any other trademarks belong to their respective owners.

Forward-Looking Statements

This press release 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 "anticipates," "believes," "continue," "estimates," "expects," "intends," "may," "might," "plans," "predicts," "projects," "should," "targets," "will," or the negative of these terms and other similar terminology. Forward-looking statements in this press release include statements about the Company's future financial performance, including its cash runway; its product pipeline and development; its business model and strategies for the development, commercialization and sales of commercial products; commercial demand for its synthetic biology solutions; the development and deployment of its PlantSpring technology platform; its ability to deploy and leverage its artificial intelligence and machine learning (AIML) capabilities; the ability to scale production capability for its BioFactory production system; potential development agreements, partnerships, customer relationships, and licensing arrangements and their contribution to its financial results, cash usage, and growth strategies; the potential impact of the COVID-19 pandemic on its business and operating results; and anticipated trends in its business. These and other forward-looking statements are predictions and projections about future events and trends based on the Company's current expectations, objectives, and intentions and are premised on current assumptions. The Company's actual results, level of activity, performance, or achievements could be materially different than those expressed, implied, or anticipated by forward-looking statements due to a variety of factors, including, but not limited to:; the impact of increased competition, including competition from a broader array of synthetic biology companies; competition for customers, partners, and licensees and the successful execution of development and licensing agreements; disruptions at its key facilities, including disruptions impacting its BioFactory production system; flaws in AIML algorithms, insufficiency of data inputs required by such algorithms, and human error in interacting with AIML; changes in customer preferences and market acceptance of its products; changes in market consensus as to what attributes are required for a product to be considered "sustainable"; the impact of adverse events during development, including unsuccessful pilot production of plant-based chemistries or field trials; the impact of improper handling of its product candidates during development; failures by third-party contractors; inaccurate demand forecasting or milestone and royalty payment projections; the effectiveness of commercialization efforts by commercial partners or licensees; disruptions to supply chains, including raw material inputs for its BioFactory; the impact of changes or increases in oversight and regulation; disputes or challenges regarding intellectual property; proliferation and continuous evolution of new technologies; management changes; dislocations in the capital markets; the severity and duration of the evolving COVID-19 pandemic and the resulting impact on macro-economic conditions; and other important factors discussed under the caption entitled "Risk Factors" in Calyxt's Annual Report on Form 10-K and subsequent filings on Form 10-Q or Form 8-K with the U.S. Securities and Exchange Commission. Any forward-looking statements made by Calyxt's management are based only on information currently available to it when, and speak only as of the date, such statement is made. Calyxt does 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 law.

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