Aris Mining Corporation — Proxy Solicitation & Information Statement 2025

Feb 28, 2025

February 28, 2025

ODYSSEY

Filed via SEDAR+

To All Applicable Exchanges and Securities Administrators

Subject: Aris Mining 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 General Meeting
Meeting Date:	May 15, 2025
Record Date for Notice of Meeting:	March 25, 2025
Record Date for Voting (if applicable):	March 25, 2025
Beneficial Ownership Determination Date:	March 25, 2025
Class of Securities Entitled to Vote:	Common Shares
ISIN:	CA04040Y1097
Issuer sending proxy materials directly to NOBOs:	No
Issuer paying for delivery to OBOs:	No
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 Aris Mining Corporation