Wahgnion

Wahgnion is currently owned and operated by the Government of Burkina Faso. The mine is located 510km southwest of the capital city Ouagadougou, within the Paleoproterozoic Birimian Senoufo Belt. The Senoufo Belt trends north-northeast and comprises mainly basaltic and andesitic volcanic rocks, lesser sedimentary rocks, and numerous gabbroic to granitic sub-volcanic plutons.

Mineralization at the property is structurally controlled and is widely associated with hematite, iron carbonate, sericite, pyrite and albitic alteration. Gold is predominantly lode-style in discrete structures, with high-grade mineralisation associated with stylolitic laminated quartz veins or pyrite veinlets. Coarse grained gold is also found in fractures within pyrite veins or in quartz‐carbonate vein selvages. The two styles of gold are interpreted to have formed during the same mineralizing event, with variations in style reflecting the local difference in lithological and structural settings.

The Wahgnion mine is a 3.0Mtpa to 3.2Mtpa carbon-in-leach operation, featuring multiple deposits feeding into a central mill and operated with conventional truck and shovel open-pit mining. First gold was poured in August 2019 with commercial production declared later in 2019.

Wahgnion has a large Resource base available for Reserve conversion and substantial potential for the discovery of new resources given the extensive land package of over 1,000 square km.

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Sources

• Endeavour Mining LSE Release titled “Endeavour Announces Settlement Agreement with Lilium”, dated Augst 27, 2024
• Endeavour Mining LSE Release titled “Endeavour Announces The Sale Of Its Non-Core Boungou And Wahgnion Mines”, dated June 30, 2023
• Endeavour Mining PLC Annual Report 2022
• Teranga Gold Corporation Technical Report titled “Amended Technical Report On The Wahgnion Gold Operations, Burkina Faso”, dated August 1, 2019 and effective July 21, 2019