Austin Resources Ltd. — Regulatory Filings 2021

Mar 10, 2021

Russell Sanders Direct: 416-865-7734 E-mail: rsanders@airdberlis.com

March 10 , 2021

VIA SEDAR

Ontario Securities Commission Alberta Securities Commission British Columbia Securities Commission The Manitoba Securities Commission Financial and Consumer Affairs Authority of Saskatchewan Office of the Superintendent of Securities, Newfoundland and Labrador New Brunswick Financial and Consumer Services Commission Nova Scotia Securities Commission Office of the Superintendent of Securities, Prince Edward Island

Dear Sirs/Mesdames:

Re: Harvest One Cannabis Inc. (the “Corporation”) Final Short Form Prospectus dated March 10, 2021 (the “Prospectus)

We refer to the Prospectus relating to the qualification for distribution of units of the Corporation.

We hereby consent to the reference to our firm name on page iii of the Prospectus and under the heading “Interests of Experts”, and consent to the use of our firm name and the reference to our opinion under the headings “Certain Canadian Federal Income Tax Considerations” and “Eligibility for Investment”.

We confirm that we have read the Prospectus and that we have no reason to believe that there are any misrepresentations in the information contained in the Prospectus that:

• (a) are derived from our opinion referred to above; or

• (b) are within our knowledge as a result of the services that we performed to render such opinion.

Yours truly,

AIRD & BERLIS LLP

(signed) “ Russell Sanders ”

Russell Sanders