Rockhaven Resources Ltd. — AGM Information 2021

Oct 7, 2021

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Date: October 7, 2021

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 Meeting Record Date for Notice of Meeting : October 20, 2021 Record Date for Voting (if applicable) : October 20, 2021 Beneficial Ownership Determination Date : October 20, 2021 Meeting Date : December 03, 2021 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 Yes (AMENDED) Beneficial Holders Stratification Criteria: Not Applicable (AMENDED) NAA for Registered Holders Yes Registered Holders Stratification Criteria: Not Applicable

Voting Security Details:

Description CUSIP Number ISIN COMMON SHARES 77340P101 CA77340P1018

Sincerely,

Computershare

Agent for ROCKHAVEN RESOURCES LTD