Diamcor Mining Inc. — AGM Information 2020

Oct 22, 2020

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October 22, 2020

510 Burrard St, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: DIAMCOR MINING INC

Dear Sir/Madam:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

Meeting Type : Annual General and Special Meeting Record Date for Notice of Meeting : November 16, 2020 Record Date for Voting (if applicable) : November 16, 2020 Beneficial Ownership Determination Date : November 16, 2020 Meeting Date : December 23, 2020 Meeting Location (if available) : Kelowna, BC Issuer sending proxy related materials directly to NOBO: Yes Issuer paying for delivery to OBO: No

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders No NAA for Registered Holders No

Voting Security Details:

Description CUSIP Number ISIN COMMON SHARES 252531207 CA2525312070

Sincerely,

Computershare

Agent for DIAMCOR MINING INC