Trinity One Metals Ltd. — Proxy Solicitation & Information Statement 2026

Apr 17, 2026

April 17, 2026

ODYSSEY

Filed via SEDAR+

To All Applicable Exchanges and Securities Administrators

Subject: Trinity One Metals Ltd. (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:

Meeting Type:	Annual General and Special Meeting
Meeting Date:	June 18, 2026
Record Date for Notice of Meeting:	May 12, 2026
Record Date for Voting (if applicable):	May 12, 2026
Beneficial Ownership Determination Date:	May 12, 2026
Class of Securities Entitled to Vote:	Common Shares
ISIN:	CA8965501007
Issuer sending proxy materials directly to NOBOs:	No
Issuer paying for delivery to OBOs:	No
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 Trinity One Metals Ltd.