Tiernan Gold Corp. — Proxy Solicitation & Information Statement 2026

Apr 24, 2026

April 24, 2026

ODYSSEY

Filed via SEDAR+

To All Applicable Exchanges and Securities Administrators

Subject: Tiernan Gold Corp. (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 25, 2026
Record Date for Notice of Meeting:	May 19, 2026
Record Date for Voting (if applicable):	May 19, 2026
Beneficial Ownership Determination Date:	May 19, 2026
Class of Securities Entitled to Vote:	Common Shares
ISIN:	CA88650A1057
Issuer sending proxy materials directly to NOBOs:	Yes
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 Tiernan Gold Corp.