Radisson Mining Resources Inc. — AGM Information 2022

Apr 8, 2022

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April 8, 2022

1500 Robert-Bourassa Blvd., 7th Floor Montreal QC, H3A 3S8 www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: RADISSON MINING RESOURCES 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 Meeting Record Date for Notice of Meeting : May 04, 2022 Record Date for Voting (if applicable) : May 04, 2022 Beneficial Ownership Determination Date : May 04, 2022 Meeting Date : June 16, 2022 Meeting Location (if available) : Rouyn Noranda, QC Issuer sending proxy related materials directly to NOBO: Yes Issuer paying for delivery to OBO: Yes

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders Yes Beneficial Holders Stratification Criteria: Not Applicable NAA for Registered Holders No

Voting Security Details:

Description CUSIP Number ISIN CLASS A COMMON SHARES 76125W505 CA76125W5054

Sincerely,

Computershare

Agent for RADISSON MINING RESOURCES INC.