Harfang Exploration Inc. — AGM Information 2021

May 20, 2021

May 20, 2021

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

To: All Canadian Securities Regulatory Authorities

Subject: HARFANG EXPLORATION 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 : June 09, 2021 Record Date for Voting (if applicable) : June 09, 2021 Beneficial Ownership Determination Date : June 09, 2021 Meeting Date : July 14, 2021 Meeting Location (if available) : Montreal 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 No NAA for Registered Holders No

Voting Security Details:

Description CUSIP Number ISIN COMMON SHARES 412379109 CA4123791093

Sincerely,

Computershare

Agent for HARFANG EXPLORATION INC.