First Quantum Minerals Ltd — Regulatory Filings 2021

Mar 29, 2021

Andrew Briggs First Quantum Minerals Ltd

24 Outram St, West Perth, Western Australia, 6005 Tel +61 8 9346 0100; andrew.briggs@fqml.com

I, Andrew Briggs, do hereby certify that:

1. I am the Group Consulting Project Metallurgist employed by First Quantum Minerals Ltd.

2. This certificate applies to the technical report entitled “Taca Taca Project, Salta Province Argentina, Amended and Restated NI 43-101 Technical Report”, dated effective March 29th, 2021 (the “Technical Report”).

3. I am a professional metallurgist having graduated in 1974 from the Imperial College (Royal School of Mines), London, with a BSc (Eng) First Class in Metallurgy.

4. I am a Fellow of the Southern African Institute of Mining and Metallurgy.

5. I have worked as a process engineer and metallurgist since graduation in 1974 (46 years); the first thirteen years of which were in operating positions up to Metallurgical Manager in the gold mining industry. This was followed by nineteen years in engineering companies in Process Design for projects worldwide, and finally thirteen years with First Quantum Minerals Ltd as a Process Consultant.

6. I have read the definition of “qualified person” as set out in National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”) and certify that, by reason of my education, affiliation with a professional association (as defined in NI 43-101) and past relevant work experience, I am a “qualified person” for the purposes of NI 43-101.

7. I most recently personally inspected the Taca Taca property described in the Technical Report in September 2018.

8. I am responsible for the preparation of those portions of the Technical Report relating to mineral processing/metallurgical testing and recovery methods, namely Items 13 and 17, respectively.

9. I am not independent (as defined by Section 1.5 of NI 43-101) of First Quantum Minerals Ltd.

10. I have been involved with the property that is the subject of the Technical Report, since inception. This work has included metallurgical testwork, process design for the plant and associated infrastructure, project planning, and engineering studies. I am also responsible for the estimates in Item 21 pertaining to processing, plus general and administration costs.

11. I have read NI 43-101 and Form 43-101F1 and the Technical Report has been prepared in compliance with that instrument and form.

12. As of the date of this certificate, to the best of my knowledge, information and belief, the Technical Report contains all scientific and technical information that is required for it to be disclosed and to make the Technical Report not misleading.

Signed and dated this 29[th ] day of March 2021 at West Perth, Western Australia, Australia.

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Andrew Briggs