Lundin Mining Corporation — Proxy Solicitation & Information Statement 2025

Jul 17, 2025

Computershare

Date: July 17, 2025

510 Burrard St, 3rd Floor

Vancouver BC, V6C 3B9

www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: MONTFORT CAPITAL CORP.

Dear Sir/Madam:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject

Issuer:

Meeting Type : Annual General Meeting
Record Date for Notice of Meeting : August 11, 2025
Record Date for Voting (if applicable) : August 11, 2025
Beneficial Ownership Determination Date : August 11, 2025
Meeting Date : September 25, 2025
Meeting Location (if available) : Toronto, ON
Issuer sending proxy related materials directly to NOBO: No
Issuer paying for delivery to OBO: No

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders Yes
Beneficial Holders Stratification Criteria: Not Applicable
NAA for Registered Holders Yes
Registered Holders Stratification Criteria: Not Applicable

Voting Security Details:

Description	CUSIP Number	ISIN
COMMON SHARES	61288M106	CA61288M1068
SERIES A PREFERRED SHARES	61288M205	CA61288M2058
SERIES 1 CLASS C PREFERRED	61288M304	CA61288M3049

Sincerely,

Computershare

Agent for MONTFORT CAPITAL CORP.