Psyence Group Inc. — Capital/Financing Update 2022

Feb 25, 2022

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February 24 , 2022

DELIVERED VIA SEDAR

Ontario Securities Commission (Principal Regulator) Alberta Securities Commission British Columbia Securities Commission Financial and Consumer Affairs Authority of Saskatchewan The Manitoba Securities Commission New Brunswick Securities Commission Nova Scotia Securities Commission Prince Edward Island Office of the Superintendent of Securities Office Newfoundland and Labrador Securities Commission TSX Venture Exchange

Dear Sirs/Mesdames:

RE: SINTANA ENERGY INC.

We refer to the (final) short form prospectus of Sintana Energy Inc. (the " Corporation ") dated February 24, 2022, (the " Final Prospectus ") qualifying the distribution of (i) a minimum of 48,833,333 units (the " Units ") of the Corporation at a price of $0.15 per Unit (the " Offering Price "), and (ii) a maximum of 77,000,000 Units at the Offering Price. Each Unit shall consist of one common share and one common share purchase warrant (each, a " Warrant "). Each Warrant will entitle the holder thereof to purchase one common share (a " Warrant Share ") at a price of $0.25 per Warrant Share on or before the date that is 24 months from the Closing Date (as defined therein).

We hereby consent to the use of and reference to our firm name on cover page iii and under the headings " Agent for Service of Process ", "Eligibility for Investment", " Legal Opinions and Experts", and "Interests of Experts " in the Final Prospectus, and to the use of and reference to our opinions under the headings " Eligibility for Investment ", " Legal Opinions and Experts" and "Interests of Experts ", which opinions are dated as of the date of the Final Prospectus.

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

Yours very truly,

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