Osisko Metals Incorporated — AGM Information 2020

Jul 17, 2020

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July 17, 2020

AMENDED

Alberta Securities Commission British Columbia Securities Commission TSX Venture

RE: Osisko Metals Incorporated

Pursuant to a request from the above-mentioned reporting issuer, we wish to advise you of the following information in connection with its Annual Meeting of Shareholders:

Date of meeting:

September 10, 2020

Record date for notice: July 31, 2020 Record date for voting: July 31, 2020 Beneficial ownership determination date: July 31, 2020 Securities entitled to notice: Common Shares Securities entitled to vote: Common Shares Issuer mailing directly to non-objecting beneficial owners: Yes Issuer will pay for objecting beneficial owner material distribution: Yes Issuer using notice-and-access for registered investors: Yes Issuer using notice-and-access for non-registered investors: Yes Notice-and-access stratification criteria: No

Sincerely, Trust Central Services AST Trust Company (Canada)

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