Endeavour Mining Investor Presentation Deck

IMPROVING OUR TRANSPARENCY & DISCLOSURE As our company has grown, so have our ESG initiatives and commitments 2017 1st GRI Sustainability report GRI ENDEAVOUR MINING 2018 • 2nd GRI report published • Increased GRI indicators • Modern Slavery Statement Modern Slavery Act 2015 2019 3rd GRI report Started Scope 3 disclosure 1st CDP survey Join World Gold Council Signed the RGMPs WORLD GOLD COUNCIL 2020 • 1st RGMP externally assured • Published external ESG targets for 1st time Expanded Exec. Comp. to include ESG targets • TCFD Reporting • TCFD 2021 • External assurance on key ESG data • 7 RGMPs externally assured ● Adopted SASB & LPRM frameworks • Set Net Zero/2050 and -30%/2030 targets ● Adopted UK Corporate Governance Code • Joined UN Global Compact alk SASB USTAINARIUS STAMOREDS ACCOUNT giz #0ABO MINING SHARED VALUE Deschaff Tal UN GLOBA ILD COMPACT * 2022 • New Code of Business Conduct and Ethics • New Group-wide Tailings Management Policy Complete detailed abatement analysis and plan to achieve -30% by 2030 • Set Group water targets Progress RGMPs towards full compliance in 2023 116

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