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Technical Report Mineral Resource and Reserve Update for the Tabakoto Gold Mine Mali West Africa

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Technical Report Mineral Resource and Reserve Update for the Tabakoto Gold Mine Mali West Africa Technical Report Mineral Resource and Reserve Update for the Tabakoto Gold Mine Mali West Africa Latitude 12°56’N, Longitude 11°12’W Endeavour Mining Corporation c/o Walkers Corporate Limited Cayman Corporate Centre, 27 Hospital Road George Town, Grand Cayman Cayman Islands KY1-9008 Effective date: December 31, 2015 Report date: March 16, 2016 Qualified Persons: Adriaan Roux, (Pr.Sci.Nat.), SACNASP Gerard de Hert, EuroGeol Kevin Harris, CPG Michael Alyoshin, CP (Min) MAusIMM Vaughan Duke, Pr.Eng., PMP, FSAIMM Eugene Puritch, P.Eng. Technical Report Mineral Resource and Reserve Update for the Tabakoto Gold Mine Mali, West Africa TABLE OF CONTENTS Page 1.0 SUMMARY......................................................................................................................................... 1 1.1 OWNERSHIP ............................................................................................................................................ 1 1.2 HISTORY ................................................................................................................................................. 1 1.3 GEOLOGY ................................................................................................................................................ 2 1.4 EXPLORATION .......................................................................................................................................... 2 1.5 DATA ..................................................................................................................................................... 3 1.6 MINERAL RESOURCES ................................................................................................................................ 3 1.6.1 TABAKOTO, SÉGALA, KOFI B, A LINEAR, AND BETEA .............................................................................. 3 1.6.2 KOFI A, KOFI C AND BLANAID ............................................................................................................ 5 1.6.3 RESOURCE STATEMENT .................................................................................................................... 7 1.7 MINERAL RESERVES .................................................................................................................................. 8 1.8 MINING .................................................................................................................................................. 9 1.9 METALLURGY AND PROCESS PLANT ............................................................................................................ 10 1.10 INFRASTRUCTURE ................................................................................................................................... 10 1.11 MARKET STUDIES AND CONTRACTS ............................................................................................................ 10 1.12 ENVIRONMENTAL AND SOCIAL .................................................................................................................. 10 1.13 CAPITAL AND OPERATING COSTS ................................................................................................................ 11 1.14 CONCLUSIONS ........................................................................................................................................ 11 1.15 RECOMMENDATIONS .............................................................................................................................. 12 2.0 INTRODUCTION AND TERMS OF REFERENCE ................................................................................... 14 3.0 RELIANCE ON OTHER EXPERTS ......................................................................................................... 15 4.0 PROPERTY DESCRIPTION AND LOCATION ........................................................................................ 16 4.1 MINERAL TENURE................................................................................................................................... 18 4.2 ROYALTIES AND OTHER AGREEMENTS ......................................................................................................... 21 4.3 MINING RIGHTS IN MALI ......................................................................................................................... 21 5.0 ACCESSIBILITY, CLIMATE, LOCAL RESOURCES, INFRASTRUCTURE AND PHYSIOGRAPHY .................. 22 5.1 ACCESSIBILITY ........................................................................................................................................ 22 5.2 CLIMATE ............................................................................................................................................... 23 5.3 LOCAL RESOURCES AND INFRASTRUCTURE ................................................................................................... 23 5.4 PHYSIOGRAPHY ...................................................................................................................................... 25 6.0 HISTORY .......................................................................................................................................... 26 6.1 EXPLORATION HISTORY ............................................................................................................................. 26 6.2 HISTORIC RESOURCE ESTIMATES ................................................................................................................. 33 6.3 PRODUCTION HISTORY ............................................................................................................................. 37 7.0 GEOLOGICAL SETTING AND MINERALIZATION ................................................................................. 38 7.1 REGIONAL GEOLOGY ............................................................................................................................... 38 7.2 LOCAL GEOLOGY .................................................................................................................................... 39 7.3 STRUCTURAL SETTING .............................................................................................................................. 41 7.4 PROPERTY GEOLOGY ............................................................................................................................... 42 7.5 MINERALIZATION ................................................................................................................................... 43 8.0 DEPOSIT TYPES ................................................................................................................................ 44 ii Technical Report Mineral Resource and Reserve Update for the Tabakoto Gold Mine Mali, West Africa 8.1 SHEAR ZONE HOSTED DEPOSITS ................................................................................................................ 44 8.2 BRITTLE FRACTURE ZONE HOSTED DEPOSITS ................................................................................................ 44 8.3 INTRUSIVE HOSTED ................................................................................................................................. 44 9.0 EXPLORATION ................................................................................................................................. 45 10.0 DRILLING ......................................................................................................................................... 45 10.1 COLLAR SURVEYS .................................................................................................................................... 47 10.2 DOWNHOLE SURVEYS .............................................................................................................................. 47 10.3 LOGGING AND SAMPLING PROCEDURES ....................................................................................................... 47 10.3.1 REVERSE CIRCULATION DRILLING ..................................................................................................... 47 10.3.2 CORE DRILLING............................................................................................................................. 48 10.4 DRILLING RESULTS .................................................................................................................................. 48 10.5 DRILLING ORIENTATION ........................................................................................................................... 49 10.6 TABAKOTO DEPOSITS .............................................................................................................................. 50 10.6.1 TABAKOTO ............................................................................................................................... 50 10.6.2 SÉGALA ............................................................................................................................... 52 10.6.3 DAR SALAM ............................................................................................................................... 53 10.6.4 KOFI C ............................................................................................................................... 54 10.6.5 KOFI B ............................................................................................................................... 55 10.6.6 KOFI A ..............................................................................................................................
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