Endeavour Mining : Corporate Presentation - June 2021

CORPORATEPRESENTATION

June, 2021

TSX:EDV

DISCLAIMER AND FORWARD LOOKING STATEMENTS

Cash cost per ounce and all-in sustaining cash cost per ounce are non-GAAP performance measures with no standard meaning under IFRS. This presentation contains "forward-looking statements" including, but not limited to, statements with respect to Endeavour's plans and operating performance, the estimation of mineral reserves and resources, the timing and amount of estimated future production, costs of future production, future capital expenditures, and the success of exploration activities. Generally, these forward-looking statements can be identified by the use of forward-looking terminology such as "expects", "expected", "budgeted" and " forward-looking statements, while based on management's best estimates and assumptions, are subject to risks and uncertainties that may cause actual results to be materially different from those expressed or implied by such forward-looking statements, including, but not limited to, risks related to the successful integration of acquisitions, risks related to international operations, risks related to general economic conditions and credit availability, actual results of current exploration activities, unanticipated reclamation expenses, changes in project parameters as plans continue to be refined, fluctuations in prices of metals including gold fluctuations in foreign currency exchange rates, increases in market prices of mining consumables, possible variations in ore reserves, grade or recovery rates, failure of plant, equipment or processes to operate as anticipated, accidents, labour disputes, title disputes, claims and limitations on insurance coverage and other risks of the mining industry, delays in the completion of development or construction activities, changes in national and local government regulation of mining operations, tax rules and regulations, and political and economic developments in countries in which Endeavour operates. Although Endeavour has attempted to identify

important factors that could cause actual results to differ materially from those contained in forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements. Please refer to Endeavour's most recent Annual Information Form filed under its profile at www.sedar.com for further information regarding the risks affecting Endeavour and its business.

Clinton Bennett, Endeavour's Vice President of Technical Services, a Member of the Australasian Institute of Mining and Metallurgy, is a "Qualified Person" as defined by National Instrument 43 101 Standards of Disclosure for Mineral Projects ("NI 43 101") and has reviewed and approved the technical information in this news release.

TABLE OF CONTENTS

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2

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ENDEAVOUR OVERVIEW

OUTLOOK & RESULTS

DETAILS BY MINE AND PROJECT

ESG

WEST AFRICA INSIGHTS

APPENDIX

Note: All amounts are in US$, except where indicated, and may differ from MD&A due to rounding.

01

SECTION 1

ENDEAVOUR OVERVIEW

CORPORATE PRESENTATION

ENDEAVOUR MINING OVERVIEW

A premier diversified West African gold producer

+6,000	6
CORE
EMPLOYEES	MINES

1.4-1.5Moz	850-900/oz
2021 PRODUCTION TARGET	2021 AISC TARGET

28Moz	18Moz
M&I RESOURCES	P&P RESERVES

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