Brazil Tin-Gold Placer Local Operation by artisanal miners

• Most gold & tin are fine-grained

• Trommel can screen out most coarse sand (95%), remains most of the fine sand

• 12000 m³ per day with 30% sediment & 70% water --> 180t of fine sand /day

• Trommel  Spirals  25t to 50t concentrates (+50% Sn, +50 g/t Au)

• At least USD300,000 value per container (25-27t), producing 20 containers per month per mining unit

• CASH MACHINE:

  - That is USD6M/month per mining unit!!!

  - Assuming at least USD1M profit per unit per month (USD2.5M CAPEX per unit)

• Can have 8 mining units in the project

• 20M CAPEX  96M + Profit/ year