Magna Mining Inc. — Proxy Solicitation & Information Statement 2025

Apr 17, 2025

April 17, 2025

Computershare

510 Burrard St, 3rd Floor

Vancouver BC, V6C 3B9

www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: MAGNA MINING INC.

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 and Special Meeting
Record Date for Notice of Meeting : May 16, 2025
Record Date for Voting (if applicable) : May 16, 2025
Beneficial Ownership Determination Date : May 16, 2025
Meeting Date : June 26, 2025
Meeting Location (if available) : Sudbury, 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 No
NAA for Registered Holders No

Voting Security Details:

Description	CUSIP Number	ISIN
COMMON CLASS	55925F102	CA55925F1027
COMMON DATED LEG EXP JUL 06/25	55925F508	CA55925F5085

Sincerely,

Computershare

Agent for MAGNA MINING INC.