Altus Group Limited — Capital/Financing Update 2021

Sep 27, 2021

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September 27, 2021

VIA SEDAR

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

Dear Sirs and Mesdames:

Re: Short Form Prospectus of Altus Group Limited (the “Issuer”)

We refer you to the final short form prospectus (the “Prospectus” ) of the Issuer dated September 27, 2021 relating to the distribution of common shares of the Issuer.

We consent to being named on the inside cover page of the Prospectus and under the heading “Interests of Experts” in the Prospectus, and consent to the use of our legal opinions set out under the headings “Certain Canadian Federal Income Tax Considerations” and “Eligibility for Investment” in the Prospectus, which opinions are provided as of the date of the Prospectus.

We have read the Prospectus and have no reason to believe that there are any misrepresentations in the information contained in the Prospectus that are (i) derived from our legal opinions provided in the Prospectus, or (ii) within our knowledge as a result of the services performed by us in connection with such opinions.

Yours truly,

(signed) “Stikeman Elliott LLP”