HEXO Corp. — Regulatory Filings 2021

May 11, 2021

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May 11, 2021

British Columbia Securities Commission Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan The Manitoba Securities Commission Ontario Securities Commission Autorité des marchés financiers (Québec) Financial and Consumer Services Commission (New Brunswick) Nova Scotia Securities Commission Office of the Superintendent of Securities, Service Newfoundland & Labrador Office of the Superintendent of Securities, Government of Prince Edward Island Office of the Superintendent of Securities, Northwest Territories Office of the Yukon Superintendent of Securities Nunavut Securities Office

We refer to the prospectus supplement of HEXO Corp. (the “Company”) dated May 11, 2021 (together with the short form base shelf dated May 7, 2021) relating to the sale and issue of common shares (the “Offering Document”).

We consent to being named in and to the use, through incorporation by reference in the above-mentioned Offering Document, of our report dated October 29, 2020 to the Board of Directors and Shareholders of the Company on the following consolidated financial statements:

• consolidated statement of financial position as at July 31, 2020;

• consolidated statements of net loss and comprehensive loss, of changes in shareholders’ equity and of cash flows for the year ended July 31, 2020; and

• the related notes to the consolidated financial statements.

We report that we have read the Offering Document and all information specifically incorporated by reference therein and have no reason to believe that there are any misrepresentations in the information contained therein that are derived from the consolidated financial statements on which we have reported or that are within our knowledge as a result of our audit of such financial statements. We have complied with Canadian generally accepted standards for an auditor’s consent to the use of a report of the auditor included in an offering document, which does not constitute an audit or review of the prospectus as these terms are described in the CPA Canada Handbook – Assurance.

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Chartered Professional Accountants, Licensed Public Accountants

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PricewaterhouseCoopers LLP

99 Bank Street, Suite 710, Ottawa, Ontario, Canada K1P 1E4 T: +1 613 237 3702, F: +1 613 237 3963, www.pwc.com/ca

“PwC” refers to PricewaterhouseCoopers LLP, an Ontario limited liability partnership.