Almadex Minerals Ltd. — Proxy Solicitation & Information Statement 2026

Apr 24, 2026

April 24, 2026

Computershare

510 Burrard Street, 3rd Floor

Vancouver BC, V6C 3B9

www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: ALMADEX MINERALS LTD.

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 20, 2026
Record Date for Voting (if applicable) : May 20, 2026
Beneficial Ownership Determination Date : May 20, 2026
Meeting Date : June 25, 2026
Meeting Location (if available) : Vancouver, BC
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 SHARES	02028L107	CA02028L1076

Sincerely,

Computershare

Agent for ALMADEX MINERALS LTD.