Mako Mining — AGM Information 2020

Jun 12, 2020

June 12, 2020

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

To: All Canadian Securities Regulatory Authorities

Subject: MAKO MINING CORP.

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 : July 09, 2020 Record Date for Voting (if applicable) : July 09, 2020 Beneficial Ownership Determination Date : July 09, 2020 Meeting Date : August 27, 2020 Meeting Location (if available) : Toronto, ON Issuer sending proxy related materials directly to NOBO: No Issuer paying for delivery to OBO: No

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders Yes Beneficial Holders Stratification Criteria: Not Applicable NAA for Registered Holders Yes Registered Holders Stratification Criteria: Not Applicable

Voting Security Details:

Description CUSIP Number ISIN COMMON SHARES 56089A103 CA56089A1030

Sincerely,

Computershare

Agent for MAKO MINING CORP.