Pan American Energy Corp. — Proxy Solicitation & Information Statement 2020

Sep 15, 2020

September 14, 2020

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

To: All Canadian Securities Regulatory Authorities

Subject: Golden Sun 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 : September 21, 2020 Record Date for Voting (if applicable) : September 21, 2020 Beneficial Ownership Determination Date : September 21, 2020 Meeting Date : October 27, 2020 Meeting Location (if available) : Vancouver, BC Issuer sending proxy related materials directly to NOBO: No 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 38123D103 CA38123D1033

Sincerely,

Computershare

Agent for Golden Sun Mining Corp.