Silverco Mining (SICO) Corporate presentation summary

Project overview and resource estimate

• La Negra is a fully permitted, 100% owned underground mine in Querétaro, Mexico, with a 2,500 tpd processing rate and a 2,157 ha land package.

• The July 2026 mineral resource estimate reports 15.23 Mt indicated at 106 g/t Ag and 2.26 Mt inferred at 92 g/t Ag, with significant copper, lead, and zinc credits.

• Updated geologic modeling has improved continuity of high-grade Ag-Cu-Pb-Zn mineralization.

Economic highlights and financial metrics

• After-tax NPV (5%) is $329M, with an after-tax IRR of 131% and a 2.0-year payback period.

• Life-of-mine (LOM) production is 4.1 Moz AgEq annually over 8.2 years, with a peak of 5.0 Moz AgEq in 2033.

• Average LOM AISC is $24.86/oz AgEq, with $20.9M growth capex and $68.3M sustaining capex.

• Undiscounted after-tax cash flow totals $439M, with a maximum cash requirement of $12.5M repaid by 2028.

Revenue, production, and cost structure

• Silver accounts for 65% of LOM payable revenue, with zinc, copper, and lead contributing the remainder.

• Annual production averages 4.1 Moz AgEq, with AISC declining from $55.83/oz in 2026 to $19.50/oz by 2033.

• Mining costs average $36.07/t, processing $23.43/t, and total site AISC is $24.86/oz AgEq.