Endeavour Mining PLC — Investor Presentation 2022

Jan 24, 2022

CERTIFICATE OF AUTHOR

To accompany the Report entitled "NI 43-101 Technical Report – Pre-Feasibility Study for the Lafigué Gold Project for the Fetekro Property" which is effective as of December 31, 2020 and issued, 1 December 2021 (the "Technical Report") prepared for Endeavour Mining (the "Company").

I, David Morgan, do hereby certify:

1. I am the Managing Director of Knight Piesold Pty Limited, with an office at Level 1, 184 Adelaide Terrace, East Perth, WA 6004.
2. I am a graduate of University of Manchester, (BSc, Civil Engineering, 1980), and the University of Southampton (MSc, Irrigation Engineering, 1981).
3. I am a registered member of AusIMM (Australasian Institute of Mining and Metallurgy), membership #202216 and a chartered Professional Engineer and member of the Institution of Engineers Australia (Australia, 974219).
4. I have worked as a Project Manager, Senior Mining Engineer or Project Director continuously since my graduation from university. I have been continuously employed since my graduation in 1981. I have gained relevant experience on projects similar to the Lafigue Deposit, including:

a) Work on gold mining operations and projects located throughout West Africa.
b) I have supervised and contributed to many tailings management engineering studies for different projects at various stages of development. Hands-on experience for gold in Ivory Coast, Mali, Burkina Faso, Australia and Canada;
c) Design, supervision and implementation of mining programs;
d) Review, audits of tailings management systems;
e) Experience on several projects in tropical conditions (West Africa, Indonesia); and
f) Participation in the preparation of parts of NI 43-101 compliant Technical Reports.

1. I have read the definition of "qualified person" set out in the National Instrument 43-101 and certify that by reason of my education, affiliation with a professional association and past relevant work experience, I fulfil the requirements to be an independent qualified person for the purposes of NI 43-101;
2. I am independent of the issuer applying all of the tests in section 1.5 of NI 43-101.

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1. I have participated in the preparation of this Technical Report and I am responsible for Sections/Subsections: 1.12, 3.1, 12.9.2, 12.9.3, 12.9.4, 12.9.5, 18.1, 18.2.2, 18.2.3, 18.2.4, 18.3, 18.4, 18.5, 18.6, 26.6.1, 26.6.2 and 26.6.3.

2. I have not visited the property.

3. I have had no prior involvement with the property that is the subject of the Technical Report.

4. I have no personal knowledge as of the date of this certificate of any material fact or change, which is not reflected in this Report.

5. I have read NI 43-101 and Form 43-101F1 and have prepared the Technical Report in compliance with NI 43-101 and Form 43-101F1; and have prepared the report in conformity with generally accepted Canadian mining industry practice, and as of the date of the certificate, to the best of my knowledge, information and belief, the Technical Report contains all scientific and technical information that is required to be disclosed to make the Technical Report not misleading.

Dated 1 December 2021

/s/ David Morgan

David Morgan, AusImm (#202216).
Managing Director