Critical One Energy Inc. — Proxy Solicitation & Information Statement 2023

Oct 16, 2023

October 13, 2023

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Filed via SEDAR

To All Applicable Exchanges and Securities Administrators

Subject: Madison Metals Inc. (the "Issuer") Notice of Meeting and Record Date

Dear Sir/Madam:

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

MeetingType:	Annual Meeting
MeetingDate:	November 30,2023
Record Date for Notice of Meeting:	October 25,2023
Record Date for Voting (if applicable):	October 25,2023
Beneficial OwnershipDetermination Date:	October 25,2023
Class of Securities Entitled to Vote:	Common
ISIN:	CA55658R2081
Issuer sending proxymaterials directlyto NOBOs:	No
Issuerpayingfor deliveryto OBOs:	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 Issuer.

Yours truly,

Odyssey Trust Company as agent for Madison Metals Inc.