Investor Presentaiton

CAMPO MORADO - AUSENCO REVIEW Comprehensive review of Campo Morado mill by world-class metallurgical engineers Deliverable - A roadmap for progressive performance improvements Significant potential to increase recoveries by multiple points Selected elements: Implement a robust Mine-to-Mill / Geometallurgy program More consistent plant feed through blending Assess water treatment opportunity using current reagents. Historical tests - 14% increase in Cu recovery Install additional grinding power to reduce flotation feed size Currently developing a detailed implementation plan for 2023 17

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