Critical One Energy Inc. — Proxy Solicitation & Information Statement 2020

May 6, 2020

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May 6, 2020

Filed via SEDAR

To All Applicable Exchanges and Commissions

Dear Sirs:

Subject: Madison Metals Inc. (the “Corporation”) AMENDED Notice of Meeting and Record Date

We are pleased to confirm the following information with respect to the Corporation's upcoming meeting of securityholders:

MeetingType:	Special
Meeting Date:	June 22, 2020
Record Date for Notice of Meeting:	May 15, 2020
Record Date for Voting:	May 15, 2020
Beneficial Ownership Determination Date:	May 15, 2020
Class of Securities Entitled to Vote:	Common Shares
ISIN:	CA55658R1091
Meeting Location:	Vancouver, BC
Corporation sending proxy materials directly to NOBO:	Yes
Issuer paying for delivery to OBO:	Yes
Notice and Access for Beneficial Holders:	No
Notice and Access for Registered Holders:	No

In accordance with applicable securities regulations we are filing this information with you in our capacity as agent of the Corporation.

Yours truly,

ODYSSEY TRUST COMPANY AS AGENT FOR Madison Metals Inc.