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June 23, 2016
The Securities and Exchange Commission
Re: F-10 Registration Statement of Suncor Energy Inc. (the "Corporation")
Dear Sirs/Mesdames:
We hereby consent to references to our firm name on the face page of the registration statement on Form F-10 dated June 23, 2016 (the "Registration Statement") filed by the Corporation under the Securities Act of 1933, as amended (the "Act") and under the headings "Enforceability of Civil Liabilities" and "Legal Matters" in the prospectus of the Corporation that forms a part of the Registration Statement and to the reference to our advice under the heading "Enforceability of Civil Liabilities". In giving this consent, we do not thereby admit that we come within the category of persons whose consent is required by the Act or the rules thereunder.
Yours truly,
/s/ Blake, Cassels & Graydon LLP
Blake, Cassels & Graydon LLP