G Mining Ventures (GMIN) investor relations material

Strategic vision and growth trajectory

• Aims to become the next intermediate gold producer through disciplined project development and sustainable growth, leveraging a proven in-house mine-building team with a track record of delivering projects on time and on budget.

• Targets over 500,000 ounces of annual gold production by 2028, representing a 3x increase from 2025 levels, with industry-leading cost structure.

• Growth driven by Tocantinzinho (TZ) in Brazil, Oko West in Guyana, and Gurupi in Brazil, each at different stages from production to advanced exploration.

• Recent acquisition of G2 Goldfields integrates Oko West and Oko Ghanie, creating a Tier-1 gold district with over 9.3 million ounces in reserves and resources and significant synergy potential.

• Fully funded for ongoing construction and development, with a projected liquidity surplus of $618 million as of March 2026.

Asset portfolio and operational highlights

• Tocantinzinho achieved commercial production in September 2024, with 2025 guidance of 171,871 ounces at an AISC of $1,155/oz and $255 million in mine-site free cash flow.

• Oko West is the largest gold project under construction globally, targeting 350,000 ounces per year over a 12-year mine life at an AISC of $1,123/oz, with first gold expected in H2 2027 and commercial production in January 2028.

• Gurupi project advancing exploration with a 1.8 Moz indicated resource and $21 million exploration budget for 2026, aiming for a PEA in H2 2026.

• Q1 2026 gold production was 31,846 ounces at $1,034/oz cash cost, generating $56.2 million in free cash flow and maintaining $638 million in liquidity.

• Consolidated production expected to exceed 500,000 ounces and free cash flow to surpass $1.2 billion by 2028 at $4,000/oz gold.

Mineral resources and reserves

• Combined measured and indicated resources total 9.17 Moz at 1.67 g/t Au, with 1.17 Moz inferred across all projects as of March 2026.

• Oko West: 4.6 Moz probable reserves at 1.89 g/t Au, 5.4 Moz indicated at 2.10 g/t Au, and 390 koz inferred at 2.36 g/t Au.

• Tocantinzinho: 1.87 Moz proven and probable reserves at 1.17 g/t Au, 1.93 Moz indicated at 1.26 g/t Au.

• Gurupi: 1.8 Moz indicated at 1.31 g/t Au, 0.8 Moz inferred at 1.29 g/t Au, with ongoing drilling to expand resources.

• All resource and reserve estimates prepared in accordance with CIM standards and NI 43-101.