Endeavour Mining Investor Presentation Deck

36 PROVEN RANKING AND SCREENING METHODOLOGY UNLOCKING EXPLORATION VALUE Based on techniques used in the oil and gas sector All targets Selection of top targets Sum of all risked Mean Indicated Oz represent the best estimate of what can be expected from Portfolio MINING Top 70 targets ENDEAVOUR Exhaustive screening based on geological data and first selection • VTEM • Core • Drill results • Geological interpretation • Geophysics • Geochemistry 15-20Moz risked Indicated resource potential 150 targets Selecting most relevant targets in portfolio with higher POO¹ which can be explored in the next 5 years (1) POO means the probability of occurrence Screened through multi- criteria data analysis to set targets amenable to AISC <$900/oz • Grade • Strip ratio • Metallurgy • Production costs Up to 25Moz Risked mean Indicated resource potential Exploration budget required per target to reach Indicated resource level status - Globalized 5-year budget and related discovery cost 110 Main targets Applying a min / mean / max distribution and then a probability of occurrence for the mean value (Length x width x 100/150m depth x thickness x density x average grade issued from existing drilling or nearby analogs calibration) Then Apply a POO for each target and Sum all Risked Indicated Oz per target Strategic Priority to establish 5-year program Watch video 16

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