Integra Resources — Regulatory Filings 2020

Sep 10, 2020

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VIA SEDAR

September 10, 2020

British Columbia Securities Commission Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan The Manitoba Securities Commission 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, Northwest Territories Office of the Yukon Superintendent of Securities Nunavut Securities Office

RE: Integra Resources Corp. – Final Prospectus Supplement dated September 10, 2020

Dear Sirs/Mesdames:

We refer to the final prospectus supplement dated September 10, 2020 (the “ Prospectus ”) of Integra Resources Corp. (the “ Company ”) relating to the offering by the Company of common shares in the capital of the Company.

We hereby consent to the reference to our name on the third page and under the heading “Legal Matters” in the Prospectus and to the reference to our name and to the inclusion of our opinion under the heading “Eligibility for Investment” in the Prospectus.

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 is derived from our opinion referred to therein or that is within our knowledge as a result of services we performed in connection with such opinion.

Yours truly,

(Signed) “Blake, Cassels & Graydon LLP”