Orestone Mining — Regulatory Filings 2021

Aug 6, 2021

August 06, 2021

To: All Canadian Securities Regulatory Authorities

Subject: ORESTONE MINING CORP

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 : September 02, 2021 Record Date for Voting (if applicable) : September 02, 2021 Beneficial Ownership Determination Date : September 02, 2021 Meeting Date : October 12, 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 No NAA for Registered Holders No

Voting Security Details: Description CUSIP Number ISIN COMMON SHARES 686154303 CA6861543032

Sincerely,

Computershare Agent for ORESTONE MINING CORP