ACT Energy Technologies Ltd. — Capital/Financing Update 2022

Apr 19, 2022

April 18, 2022

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DELIVERED VIA SEDAR

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

Office of the Superintendent of Securities, Service Newfoundland & Labrador

To whom it may concern,

Re: Cathedral Energy Services Ltd. (the "Corporation") – Final Short Form Prospectus dated April 18, 2022 (the "Prospectus")

We refer to the Prospectus relating to the distribution of up to 32,858,000 units (" Units ") of the Corporation (excluding 4,928,700 Units issuable on the exercise of the over-allotment option granted to the underwriters).

We consent to the use of our name, Burnet, Duckworth & Palmer LLP, on the cover page and under the heading "Interest of Experts" in the Prospectus and the use of our name and the reference to our opinion under the heading "Eligibility for Investment" and "Certain Canadian Federal Income Tax Considerations" in the Prospectus.

We confirm that we have read the Prospectus and the documents incorporated by reference therein and have no reason to believe that there are any misrepresentations in the information contained therein that are derived from our opinion referred to above or that is within our knowledge as a result of the services we performed in connection with such opinion. This is a consent contemplated by Section 10.1 of National Instrument 41-101 – General Prospectus Requirements and we disclaim any liability beyond the statutory liability provisions of the Canadian securities legislation applicable to the Prospectus.

Yours truly,

(signed) " Burnet, Duckworth & Palmer LLP "

BURNET, DUCKWORTH & PALMER LLP

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