HEXO Corp. — Regulatory Filings 2021

Aug 20, 2021

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DLA Piper (Canada) LLP

Suite 6000, 1 First Canadian Place PO Box 367, 100 King St W Toronto ON M5X 1E2 www.dlapiper.com DLA Piper (Canada) LLP

T 416.365.3500 F 416.365.7886

August 20, 2021

VIA SEDAR

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

Dear Sirs/Mesdames:

” Re: HEXO Corp. (the “Company )

We refer to the prospectus supplement dated August 20, 2021 (the “ Prospectus Supplement ”) to the amended and restated short form base shelf prospectus of the Company dated May 25, 2021, relating to the offering of units consisting of common shares and common share purchase warrants of the Company.

We hereby consent to the references to our name on page “iii” of the Prospectus Supplement and under the headings “Legal Matters” and “Enforceability of Civil Liabilities”, and to the use of our opinion under the heading “Eligibility for Investment”, which opinion is provided as of the date of the Prospectus Supplement.

We confirm that we have read the Prospectus Supplement and that we have no reason to believe that there are any misrepresentations in the information contained in the Prospectus Supplement that is derived from our opinion referred to above, or that is within our knowledge as a result of the services we performed in connection with this opinion.

Sincerely,

DLA Piper (Canada) LLP

(signed) “DLA Piper (Canada) LLP”