Endeavour Mining Investor Presentation Deck

Côte D'Ivoire ITY MINE Exploration Video 3D mine site tour DISCOVERY TARGET (2021-2025) Indicated resources M&I RESOURCES as at Dec 31, 2021 90Mt at 1.56g/t au containing 4.48Moz Grade g/t NEAR-TERM FOCUS 3.3Moz discovered since 2016 with +10 year mine life. Focus to maintain and extend mine life through high priority exploration of West Flotouo, Walter-Bakatouo, Ity Deep, Daapleu and Le Plaque. TARGET SCREENING 5.0 (blue indicates 4.5 near-term focus) 4.0 3.5 3.0 3.5-4.5Moz 2.5 2.0 MINING 1.5 1.0 0.2 0.3 ENDEAVOUR $17/oz Discovery cost Delta Extension O Toulepleu West Flotouo Ity Deep Daapleau Deep Daapleu Legaleu and Yopleu Verse Est Le Plaque Bakatouo Gbeitouo Extension 0.4 0.5 0.6 0.7 0.8 Probability of Occurrence applied 0.9 1.0 100% Ownership. 85% Ownership - West Flotouo Colline Sud Trend 00 4 Colline Sud D 080 08 Le Plaque 0 O Plant 。 Old TSF P i 00 0800∞∞. 1000118 00000 0000302... . Zia -0000000000 B 500 0.00. O . O 00 040 000 ofe O Co Bakatouo NE 100 0000 0000 00 000000000000 Mont Ity •:00.801 •000000 9 xxx ..... " ..... 000 O 000 Ity Flat 0x000 **** G 10 .... Bakatouo 000000 000 COO ●● D Le Plaque R YD Walter Dapleu SW Trend 0 0 Daapleu $$ à 85% Ownership 90% Ownership Gbeitouo km Vavoua —— - Morgan Yacetouo Permits Greenstone Belt Soil > 200 ppb Soil >650 ppb Auger > 1000 ppb Auger > 200 ppb DD, RC and RC-DD Exploration Drilling June 2020 to Date Deposits Main Activity Areas Exploitation Exploration Cavally River D 63

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