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| April 24, 2026 | 510 Burrard St, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com |
To: All Canadian Securities Regulatory Authorities
Subject: ALMADEN 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 | 020283305 | CA0202833053 |
Sincerely,
Computershare
Agent for ALMADEN MINERALS LTD