Investor Presentaiton

Crushing test-work CONFIRMS SIGNIFICANT UPGRADING EFFECT FROM SIMPLE COARSE CRUSH, JIG AND SPIRAL PROCESSING • Liberation of cassiterite can be achieved simply - coarse crushing to 12mm and screening at 2.8mm • Due to the selective breakage along veins • • The plus 2.8mm fraction is a discard while the minus 2.8mm fraction goes through the processing plant The mass going through the plant is significantly decreased and the tin grade significantly increased 0.18% Sn Sample - Coarse crush to 12mm, Screen at 2.8mm, Jig and Spiral 67% of total tin - 8% of the initial mass - Grading 1.66% tin FIRST TIN INVESTOR PRESENTATION | Q4 2023

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