Slide 1: Q2 2026 Earnings Conference Call
TSX: GMIN | OTCOQX: GMINF GMIN.GOLD Q2 2026 Earnings Conference Call Thursday, August 13, 2026 All figures are in U.S. dollars unless otherwise noted. Build, Operate & Explore for More.
Slide 2: Cautionary Statements
Cautionary Statements Generally, forward-looking information can be identified by use of words such as “outlook”, “objective”, “may”, “could”, “would” , “will” ,“expect”, “intend”, “estimate”, “forecasts”, “project”, “seek”, “anticipate”, “believes”, “should”, “plans ” “pro forma”, or “continue”, an
Slide 3: Agenda & Speakers
Agenda & Speakers 01 Corporate Highlights 02 Operational Performance 03 Financial Results 04 Growth Projects Update 05 2026 Priorities & Outlook 06 Q&A Louis-Pierre Gignac Julie Lafleur Jean-François Lemonde President & CEO, CFO and VP, Finance VP, Investor Relations and Director 3
Slide 4: Corporate Highlights
Corporate Highlights 4 hi GMIN.VENTURE:
Slide 5: Q2 2026 Operating and Financial Highlights
Q2 2026 Operating and Financial Highlights Solid quarterly operating performance, in line with plan Q2 2026 Highlights Production Gold Production (ounces) Cash from Operating Activities (US$M) • Safely and responsibly produced 36,845 ounces of gold, 47,346 (before change in working capital) 46,360 a
Slide 6: Operational Performance
Operational Performance
Slide 7: Q2 2026 Operational Highlights
Q2 2026 Operational Highlights Higher-grade sequence and stable mill performance drove a strong quarter • TZ achieved record quarterly mining of 6.3 million tonnes (Mt) in Q2 2026, ~15% increase over Q1 2026. • Q2 2026 gold production was higher than planned, driven by a higher-grade sequence and st
Slide 8: Q2 2026 Operating Cost Breakdown
Q2 2026 Operating Cost Breakdown In millions of $, except as otherwise noted Q2 2026 H1 2026 2026 Guidance INSIGHTS Gold Sold koz 37.4 71.2 - • Q2 2026 cash costs of $1,046 Operating Expenses $M 35.5 66.8 - per ounce sold were 1% higher Royalties $M 5.0 9.9 - than Q1 2026, and AISC of Realized Gain
Slide 9: Financial Highlights
Financial Highlights
Slide 10: Q2 2026 Financial Highlights
Q2 2026 Financial Highlights • Gold ounces sold of 37,439 at a record average realized gold price(1) of $4,197 per ounce, with revenue of $157.1 million • Q2 2026 net income grew 48% to $72.0 million (or $0.30 per share) and adj. net income more than doubled to $79.1 million ($0.33 per share), compa
Slide 11: Maintaining a Strong Cash Position
Maintaining a Strong Cash Position Q2 2026 free cash flow support operations and growth initiatives Figures in USD Millions $600 Free Cash Flow $85 million(1) $500 $104 ($19 ) $400 ($131 ) $372 $300 $287 ($8 ) $5 ($7 ) ($4 ) $200 $226 $100 $0 Cash Balance Q1-26 Operating Cash Flow Sustaining Capital
Slide 12: Capital Expenditures Inline with Guidance
Capital Expenditures Inline with Guidance Q2 2026 capital expenditure breakdown Sustaining Capital INSIGHTS 2026 Annual Expenditures Q2 2026 H1 2026 In millions of $, except as otherwise noted Guidance • Oko West project development capital expenditures for Q2 2026 was Sustaining Capital $11 $13 $38
Slide 13: 2026 & 2027 Operational Guidance
2026 & 2027 Operational Guidance 2026 2027 INSIGHTS Operational & Cost Guidance (2) Guidance Guidance $ millions, unless otherwise indicated • Average annual Gold Production k oz 160 – 190 200 – 235(3) production of 200,000 836 – 965 ounces of gold over the Total Cash Costs(1) $/oz Au sold 633 – 743
Slide 14: Growth Projects Update
Growth Projects Update
Slide 15: Oko Construction Rapidly Advancing
Oko Construction Rapidly Advancing Continued ramp-up of construction activities Update as of June 30, 2026 ✓ Construction on schedule and on budget, with ~$423M spent to date (44% of initial project capital) and ~$628M of capital committed (65% of the total project capital) ✓ On schedule with first
Slide 16: Indicative Integration Timeline
Indicative Integration Timeline Schedule unchanged; first gold expected in H2 2027 2025 2026 2027 2028 2029 2030 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Aug 29, 2025: Permitting Full Env. Permit Mar 6, 2025: Start of Early Works Early works Construction Apr 28, 2025:
Slide 17: 2026 Priorities & Outlook
2026 Priorities & Outlook
Slide 18: 2026 & 2027 Priorities & Outlook
2026 & 2027 Priorities & Outlook Upcoming milestones and strategic priorities ✓ 2026 Completed 2026 Upcoming 2027 2028 All Assets Oko All Assets Oko Oko Gurupi TZ Oko Oko Oko Updated MRMR Acquisition of Exploration Large lead items Complete Deliver the PEA, Higher Power plant First Gold Commer
Slide 19: Question Period
Question Period Oko Construction Progress – as of July 30, 2026 CIL & CIP Tanks Primary Crusher Foundation On our CIL Tanks (front), 5 of the excavation are completed with 2 of the inner rings advancing. Above, our CIP Tanks have Our Primary Crusher has seen the most advancement on site, with the ma
Slide 20: Thank you for joining us today!
TSX: GMIN | OTCOQX: GMINF GMIN.GOLD Thank you for joining us today! INVESTOR RELATIONS Jean-François Lemonde Vice President, Investor Relations Phone: 514.299.4926 Email: jflemonde@gmin.gold
Slide 21: Appendix – Additional Information
Appendix – Additional Information 21
Slide 22: Building a Tier-1 Gold District
Building a Tier-1 Gold District District-scale upside, integrated development • District-Scale Opportunity ✓ • Up to 362 km² of prospective land • Control of a premier gold district • World-Class Geological Setting ✓ • Proven mineralized corridor along intrusion contacts • Multiple high-quality disc
Slide 23: Q2 26 AISC to All-In-Cost Reconciliation
Q2 26 AISC to All-In-Cost Reconciliation(1) Q2-26 Q2-26 YTD $M $/oz $M $/oz $1,690/oz In millions of $, except as otherwise noted Revenue $157.1 $4,197 $297.1 $4,171 AISC per ounce(1) Free Cash Flow $84.8 $2,264 $140.9 $1,979 Q2 26 All-In-Cost Margin $72.3 $1,933 $156.2 $2,192 Cash Operating Cost $4
Slide 24: Q2 26 AISC to Cost of Sales Reconciliation
Q2 26 AISC to Cost of Sales Reconciliation(1) Figures in USD Millions $70.0 $63.2 $60.0 $(19.1) $54.4 $50.0 $13.9 $(0.2) $1.4 $40.0 $(4.8) $30.0 $20.0 $10.0 $- All-In Sustaining Cost Sustaining Capital Accretion to General and Gain on FX contracts Depreciation Cost of Goods sold Rehabilitation Provi
Slide 25: Mineral Reserves and Resources
Mineral Reserves and Resources Effective Date: December 31, 2025 M&I Resources of 9.17 Moz @ 1.67 g/t Au, Inferred Resources of 1.17 Moz @ 1.52 g/t Au M&I Resources Inferred Resources Tonnes Grade Ounces Tonnes Grade Ounces Long Life Assets Project +10 years of kt g/t Au koz Au kt g/t Au koz Au mine
Slide 26: Mineral Reserves and Resources – Assumptions and Notes
Mineral Reserves and Resources Assumptions and Notes 1. In this presentation, the G2 Goldfields mineral resources are provided as “historical estimates” within the meaning of National Instrument 43-101 “Standards of Disclosure for Mineral Project” 2. The Mineral Resources described above have been p
Slide 27: Mineral Reserves and Resources – Assumptions and Notes
Mineral Reserves and Resources Assumptions and Notes Project specific MRMR disclosures continued: Oko West 20. The qualified person (QP) for this Mineral Resource Estimate (MRE) is Christian Beaulieu, P.Geo., Consulting Geologist for G Mining Services Inc. 21. The effective date of the Oko West Mine