Endeavour Mining Investor Presentation Deck

WEST AFRICA IS THE FASTEST- GROWING GOLD PRODUCING REGION +90% production increase over last decade 12% of global gold production in 2020 ENDEAVOUR MINING WEST AFRICAN PRODUCTION GROWTH West African Mine Supply 12.5Moz 10.0Moz 7.5Moz 5.0Moz 2.5Moz 0.0Moz ▬▬▬▬▬ 1990 1991 1992 1993 1994 Ghana and Other MII Source: Stifel Research May 2021. ▬▬ Mali 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Burkina Faso Côte d'Ivoire 41 Senegal 2015 2016 2017 2018 2019 Guinea 12.5% 10.0% 7.5% 5.0% 2.5% 0.0% % of Mine Supply Percentage of Global Mine Supply 140

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