Rockhaven Resources Ltd. — Regulatory Filings 2024

Sep 13, 2024

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September 13, 2024

510 Burrard St, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: ROCKHAVEN RESOURCES 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 : October 09, 2024 Record Date for Voting (if applicable) : October 09, 2024 Beneficial Ownership Determination Date : October 09, 2024 Meeting Date : November 22, 2024 Meeting Location (if available) : Vancouver, BC Issuer sending proxy related materials directly to NOBO: Yes Issuer paying for delivery to OBO: No

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders Beneficial Holders Stratification Criteria: NAA for Registered Holders Registered Holders Stratification Criteria:

Yes Not Applicable Yes Not Applicable

Voting Security Details:

Description

COMMON SHARES

CUSIP Number ISIN 77340P101 CA77340P1018

Sincerely,

Computershare

Agent for ROCKHAVEN RESOURCES LTD