Willow Biosciences Inc. ("Willow" or the "Company") (TSX: WLLW) (OTCQB: CANSF), a leading biotechnology company focused on revolutionizing industrial manufacturing of pure, consistent and sustainable ingredients  is pleased to announce today that is has been engaged by a specialty pharmaceutical company (the "Counterparty") to optimize an enzyme vital to the development of a large volume Active Pharmaceutical Ingredient (API) used in nutraceutical and pharmaceutical products. The Counterparty is partnered with a large-cap, multi-national healthcare company.

"This is a significant step forward in the evolution of Willow's business", said Trevor Peters, Willow's President and Chief Executive Officer. "This new partnership highlights the capabilities of our scientific team, and demonstrates to our stakeholders the wide array of opportunities accessible to Willow's comprehensive FutureGrown^TM technology platform. As Willow continues to expand its capabilities and add new partnerships, Willow is on a path to becoming the premier name in biobased manufacturing."

The project consists of research & development and commercialization phases, with revenue coming from both research fees and milestone payments. Following commercialization, Willow anticipates an on-going revenue stream from license payments.

Willow develops and produces high-purity ingredients for the personal care, food and beverage, and pharmaceutical markets. Willow's FutureGrown^TM biotechnology platform allows large-scale production with sustainability at its core. Willow's R&D team has a proven track record of developing and commercializing bio-based manufacturing processes and products to benefit our B2B partners and their customers.

For further information, please visit our website at www.willowbio.com

This news release may include forward-looking statements including opinions, assumptions, estimates and the Company's assessment of future plans and operations, and, more particularly, statements concerning: the ability to accommodate new programs and to expand capabilities, including in respect of a new partnered pharmaceutical project; the demand and market size potential of the synthetic cannabinoid industry; and the business plan of the Company, generally, including becoming a leader in precision fermentation, cannabinoid research and production. When used in this news release, the words "will," "anticipate," "believe," "estimate," "expect," "intent," "may," "project," "should," and similar expressions are intended to be among the statements that identify forward-looking statements. The forward-looking statements are founded on the basis of expectations and assumptions made by the Company which include, but are not limited to: the success of Willow's strategic partnerships, including the development of future strategic partnerships; the financial strength of the Company; the ability of the Company to fund its business plan using cash on hand and existing resources; the market for Willow's products; the ability of the Company to obtain and retain applicable licences; the ability of the Company to obtain suitable manufacturing partners and other strategic relationships; and the successful implementation of Willow's commercialization and production strategy, generally. Forward-looking statements are subject to a wide range of risks and uncertainties, and although the Company believes that the expectations represented by such forward-looking statements are reasonable, there can be no assurance that such expectations will be realized. Any number of important factors could cause actual results to differ materially from those in the forward-looking statements including, but not limited to, risks associated with: the cannabinoid industry in general; the success of the Company's research and development strategies; infringement on intellectual property; failure to benefit from partnerships or successfully integrate acquisitions; actions and initiatives of federal and provincial governments and changes to government policies and the execution and impact of these actions, initiatives and policies; import/export and research restrictions for cannabinoid-based operations; the size of the medical-use and adult-use cannabinoid market; competition from other industry participants; adverse U.S., Canadian and global economic conditions; adverse global events and public-health crises, including the current COVID-19 outbreak; failure to comply with certain regulations; departure of key management personnel or inability to attract and retain talent; and other factors more fully described from time to time in the reports and filings made by the Company with securities regulatory authorities. Please refer to the Company's most recent annual information form and management's discussion and analysis for additional risk factors relating to Willow, which can be accessed either on Willow's website at www.willowbio.com or under the Company's profile on www.sedar.com.

Any financial outlook and future-oriented financial information contained in this document regarding prospective financial performance, financial position, cash balances or revenue is based on assumptions about future events, including economic conditions and proposed courses of action based on management's assessment of the relevant information that is currently available. Projected operational information contains forward-looking information and is based on a number of material assumptions and factors, as are set out above. These projections may also be considered to contain future-oriented financial information or a financial outlook. The actual results of the Company's operations for any period will likely vary from the amounts set forth in these projections and such variations may be material. Actual results will vary from projected results. Readers are cautioned that any such financial outlook and future-oriented financial information contained herein should not be used for purposes other than those for which it is disclosed herein.

The forward-looking statements contained in this news release are made as of the date hereof and the Company does not undertake any obligation to update publicly or to revise any of the included forward-looking statements, except as required by applicable law. The forward-looking statements contained herein are expressly qualified by this cautionary statement.