First Quantum Minerals Ltd — Regulatory Filings 2021

Mar 29, 2021

CONSENT OF QUALIFIED PERSON

David Gray First Quantum Minerals Ltd. 24 Outram St., West Perth, Western Australia, 6005

TO: British Columbia Securities Commission Alberta Securities Commission Saskatchewan Financial Services Commission The Manitoba Securities Commission Ontario Securities Commission Autorité des marchés financiers New Brunswick Securities Commission Nova Scotia Securities Commission Superintendent of Securities, Prince Edward Island Director of Securities, Newfoundland and Labrador Superintendent of Securities, Yukon Superintendent of Securities, Northwest Territories

AND TO: First Quantum Minerals Ltd. (the “ Company ”)

RE: Amended and Restated Technical Report – Taca Taca Project

I, David Gray, (QP) BSc(Hons, Geology), MAusIMM, FAIG, Group Mine and Resource Geologist, consent to the public filing by the Company of the amended and restated technical report with respect to the Company’s Taca Taca project in Argentina entitled “Amended and Restated Taca Taca Project, Salta Province, Argentina, NI 43-101 Technical Report, November 2020” and dated March 29, 2021 with an effective date of October 30, 2020 (the “ Amended and Restated Technical Report ”).

I also consent to the extracts from, or a summary of, the Amended and Restated Technical Report contained in the Company’s annual information form dated March 29, 2021 (the “ AIF ”).

I certify that I have read the AIF and that the AIF fairly and accurately represents the information in the sections of the Amended and Restated Technical Report for which I am responsible.

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Dated this 29th day of March, 2021.

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____________________________________ Signature of Qualified Person

David Gray

Print Name of Qualified Person