GR Silver Mining (GRSL) Corporate presentation summary

Value creation and financial position

• 134Moz AgEq resource (2023 MRE) with significant growth potential and low discovery cost of CAD $0.17/oz Ag.

• Fully funded with CAD $28.2M cash and no debt, supporting ongoing exploration and development.

• Market cap of CAD $170M as of March 2026, with strong share liquidity and institutional participation.

• Top 10 TSX.V volume trader with average daily liquidity of 6.5M shares between July and December 2025.

• Share structure includes 508M shares outstanding, 119M warrants, and 10M options.

Project development and exploration

• 20,000m resource expansion drilling program underway, targeting wide, high-grade silver zones.

• Bulk Sample Test Mining (BSTM) advancing with pilot plant installation and engineering studies completed.

• Five-year permitted step-out drilling program de-risks resource expansion at San Marcial and Plomosas.

• Ongoing drilling confirms multiple sub-parallel silver mineralized zones and resource growth.

• Major catalysts for 2026 include MRE update and maiden PEA economics.

District-scale and operational advantages

• District-scale upside with multiple permitted areas and integrated infrastructure in Sinaloa, Mexico.

• Plomosas Mine is a fully permitted past-producer with existing infrastructure and accessible high-grade zones.

• San Marcial area hosts a largely untested geophysical anomaly with significant blue-sky potential.

• Efficient ounce discovery with wide silver mineralized zones and competitive AgEq ounces per metre drilled.

• 100% project ownership with permits and infrastructure in place.