February 21, 2020

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

To: All Canadian Securities Regulatory Authorities

Subject: MIRASOL RESOURCES LTD.

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 : March 17, 2020 Record Date for Voting (if applicable) : March 17, 2020 Beneficial Ownership Determination Date : March 17, 2020 Meeting Date : April 23, 2020 Meeting Location (if available) : Vancouver 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 604680108 CA6046801081

Sincerely,

Computershare

Agent for MIRASOL RESOURCES LTD.