Argo Corporation — Proxy Solicitation & Information Statement 2026

Apr 24, 2026

April 24, 2026

ODYSSEY

Filed via SEDAR+

To All Applicable Exchanges and Securities Administrators

Subject: Argo Corporation (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 and Special Meeting
Meeting Date:	June 29, 2026
Record Date for Notice of Meeting:	May 20, 2026
Record Date for Voting (if applicable):	May 20, 2026
Beneficial Ownership Determination Date:	May 20, 2026
Class of Securities Entitled to Vote:	Common Shares
ISIN:	CA03990E1051
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 Argo Corporation