Endeavour Mining Investor Presentation Deck

RETURN ON CAPITAL EMPLOYED Significant improvement following build of our Ity and Houndé mines Return on Capital Employed (ROCE)¹ 6% 6% 000 2018 10% 2017 2019 20% 2020 18% 2021 (1) EBIT (Adjusted EBITDA as in MD&A less depreciation and amortization) divided by average capital employed (total assets less current liabilities) Note: See Appendix 4 for details ENDEAVOUR MINING ROCE IMPROVEMENT EXPECTED WITH OPTIMISATION OF ACQUIRED ASSETS +20% ROCE target with strong capital allocation discipline 27

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