Endeavour Mining Investor Presentation Deck

Q1-2022 HIGHLIGHTS Strong quarter delivering against key objectives SIL STRONG OPERATIONAL PERFORMANCE Well positioned to meet guidance with 357koz produced at an AISC of $848/oz in Q1-2022 M ROBUST ORGANIC GROWTH Launched Sabodala-Massawa expansion On-track to discover 15-20Moz of Indicated resources over next 5 years $ HEALTHY FINANCIAL POSITION Net cash position increased by $90m in Q1-2022 to $167m ESG INITIATIVES Upcoming publication of 2021 sustainability report to highlight larger ESG ambitions ENDEAVOUR RETURNS MINING ATTRACTIVE SHAREHOLDER $70m dividend paid and $31m worth of shares repurchased in Q1-2022 PORTFOLIO MANAGEMENT Sale of non-core Karma mine and optimization initiatives at continuing operations 33

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