First Quantum Minerals Ltd — AGM Information 2022

Feb 16, 2022

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February 16, 2022

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

To: All Canadian Securities Regulatory Authorities

Subject: FIRST QUANTUM 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 Meeting Record Date for Notice of Meeting : March 14, 2022 Record Date for Voting (if applicable) : March 14, 2022 Beneficial Ownership Determination Date : March 14, 2022 Meeting Date : May 05, 2022 Meeting Location (if available) : Virtual Meeting Issuer sending proxy related materials directly to NOBO: No Issuer paying for delivery to OBO: Yes

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders Yes Beneficial Holders Stratification Criteria: Not Applicable NAA for Registered Holders Yes Registered Holders Stratification Criteria: Not Applicable

Voting Security Details:

Description CUSIP Number ISIN COMMON 335934105 CA3359341052

Sincerely,

Computershare

Agent for FIRST QUANTUM MINERALS LTD.