Tantalus Systems Holding Inc. — Proxy Solicitation & Information Statement 2025

Mar 21, 2025

March 21, 2025

ODYSSEY

Filed via SEDAR+

To All Applicable Exchanges and Securities Administrators

Subject: Tantalus Systems Holding 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:

Meeting Type:	Annual General Special Meeting
Meeting Date:	June 10, 2025
Record Date for Notice of Meeting:	April 17, 2025
Record Date for Voting (if applicable):	April 17, 2025
Beneficial Ownership Determination Date:	April 17, 2025
Class of Securities Entitled to Vote:	Common Shares
ISIN:	CA87601F1062
Issuer sending proxy materials directly to NOBOs:	No
Issuer paying for delivery to OBOs:	Yes
Notice and Access for Beneficial Holders:	Yes
Notice and Access for Registered Holders:	Yes

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 Tantalus Systems Holding Inc.