G2 Goldfields — Merger or Acquisition (April 2026)
41 slides from G2 Goldfields's merger presentation, Apr 9, 2026
Slide 1: G Mining Ventures Acquisition of G2 Goldfields
TSX: GMIN | OTCQX: GMINF GMIN.GOLD G Mining Ventures Acquisition of G2 Goldfields Uniquely Synergistic Acquisition Consolidating a Tier-1 Camp in Guyana TSX:GMIN | OTCQX:GMINF April 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", and
Slide 3: Conference Call Participants
Conference Call Participants Louis-Pierre Gignac Dan Noone President & CEO, CEO & Director Director 3
Slide 4: Transaction Highlights
Transaction Highlights
Slide 5: Merging two exceptional assets to establish a Tier-1 gold project
Merging two exceptional assets to establish a Tier-1 gold project which, once in production, has the potential to rank among the highest producing mines globally Unique opportunity to unlock and accelerate value creation for all stakeholders through more than C$1 billion in initially quantifiable ex
Slide 6: Transaction Highlights
Transaction Highlights Delivers district-scale consolidation by combining GMIN’s Oko West Project and G2’s Oko-Ghanie 1 Project into a single, highly synergistic, Tier-1, Oko Project with initially quantifiable expected synergies of more than C$1B(1) Combines LOM average gold production of approxima
Slide 7: Transaction Summary
Transaction Summary • GMIN to acquire all of the issued and outstanding common shares of G2 by way of a plan of arrangement Transaction • GMIN and G2 shareholders to own approximately 80.1% and 19.9% of the outstanding common shares of the combined company, respectively • G2 shareholders to receive
Slide 8: Clear Separation of Land Package
Clear Separation of Land Package GMIN consolidates land package, successful G2 team continues to explore GMIN Oko West Oko West G3 SpinCo GMIN combined properties properties Properties included in GMIN Acquisition Oko Ghanie Aremu Partnership Aremu Property A Ghanie MSMP Amsterdam Properties being s
Slide 9: Benefits to GMIN Shareholders
Benefits to GMIN Shareholders ✓ Transformational Production Growth Profile Amplified near-term growth profile with gold production increasing from 160-190 koz in 2026 to +700 koz(1) with minimal additional risk and before factoring in Gurupi ✓ Creating a Unique Tier-1 Gold District Tier-1 gold asset
Slide 10: Benefits to G2 Shareholders
Benefits to G2 Shareholders ✓ Attractive Upfront Premium 72% premium based on GMIN’s and G2’s 30-day VWAPs on the TSX as at April 8, 2026, explicitly excluding any incremental value from the G3 SpinCo ✓ ~19.9% Ownership Stake in Emerging Intermediate Producer Rapidly growing intermediate gold produc
Slide 11: Pro Forma Capitalization and Balance Sheet
Pro Forma Capitalization and Balance Sheet Unit Pro Forma Shares Outstanding (FDITM) M 242 280 301 Market Capitalization (FDITM) C$M $12,364 $3,029 $15,392 Market Capitalization(1) (FDITM) US$M $8,928 $2,187 $11,115 Estimated Cash(2) US$M $288 $43 $255(4) Debt(3) US$M $37(3) - $37 Source: Public dis
Slide 12: Combined Oko Project
Combined Oko Project
Slide 13: Establishing a Regional-Scale Land Position
Establishing a Regional-Scale Land Position 362km2 combined, contiguous land package in a prolific geological region ✓• Expanded Regional-Scale Land Position • GMIN significantly increases its footprint in a world-class geological region • Option agreements provide the ability to expand the land pac
Slide 14: A Leading Gold Endowment in South America
A Leading Gold Endowment in South America 7.0Moz @ 2.28 g/t Au Combined M&I Resource – open at depth and along strike M&I: 5.4 Moz @ 2.10 g/t Au M&I: 1.6 Moz @ 3.24 g/t Au Inferred: 0.4 Moz @ 2.36 g/t Au Inferred: 1.9 Moz @ 3.31 g/t Au S N Block 5-6 Block 4 Block 1 Ghanie Oko Main Ore shoot Ore shoo
Slide 15: Compelling Exploration Upside
Compelling Exploration Upside ✓• World-Class Geological Setting • Located along regional shear zones and intrusive contacts proven to host mineralization • Multiple high-quality greenfield targets across the combined properties ✓• Strong Brownfield Exploration Opportunity • Existing deposits remain
Slide 16: Value Creation, Amplified by Synergies
Value Creation, Amplified by Synergies Unique opportunity to unlock and accelerate value Key Metrics Oko West Oko-Ghanie Combined Oko Project Land Package km2 69 293 362 Contained M&I Resource Moz Au 5.4 1.6 7.0 M&I Resource Grade g/t Au 2.1 3.2 2.3 Production Start Year 2028 2029+(1) 2028 Mine Life
Slide 17: Significant Near and Long-Term Synergies
Significant Near and Long-Term Synergies Logical combination unlocks substantial capital and operating cost savings Immediate Capital Significant LOM Cost Synergies Operating Synergies • Combined operation would forego Over • Operating cost savings of C$1 Billion(1) almost C$850 million(1) of capita
Slide 18: Staging and Streamlined Permitting Drives Value
Staging and Streamlined Permitting Drives Value Significant advantages for all stakeholders Combined Oko Project ✓ GMIN completed FS on Oko West in Apr-2025 – potential to integrate both mines and mill expansion into a Staging & Technical combined updated FS. Updated FS to include several work strea
Slide 19: Oko West Construction Remains on Track
Oko West Construction Remains on Track Continued ramp-up of construction activities Update as of year end 2025 ✓ Construction on schedule and on budget, with ~$424M of capital committed (43% of the total project capital) ✓ Detailed engineering progress at 57%; expected to be finalized by Q3-2026 ✓ P
Slide 20: 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 Permitting Aug 29, 2025: Full Env. Permit Mar 6, 2025: Start of Early Works Early works Construction Apr 28, 2025:
Slide 21: Oko Project De-Risked from a Funding Perspective
Oko Project De-Risked from a Funding Perspective Growing cash balance from TZ, US$255M in pro forma cash, and US$350M undrawn RCF $1,600 $1,400 $1,200 +$350 $1,000 +$255 $800 $600 $400 $200 -- TZ 2026E & Undrawn RCF 2026-2027 Oko West Standalone Pro Forma Total 2027E FCF @ (Excluding Corporate G&A I
Slide 22: Benchmarking & Valuation
Benchmarking & Valuation
Slide 23: Oko West Project Benchmarking
Oko West Project Benchmarking Combined Oko will be one of the largest advanced development stage gold projects globally LOM Average Annual Production for FS and PFS Stage Gold Projects Globally (koz Au) 1,141 (1) 500 475 350 368 317 281 294 296 249 265 228 245 208 213 219 220 223 199 Havieron Horne
Slide 24: The Combined Oko Project in a Class of Its Own
The Combined Oko Project in a Class of Its Own Rare Scale, Exceptional Grade — Unmatched in the Americas 3.5 Oko-Ghanie Fenelon The Combined Oko Project is in a class of its own when (Wallbridge) Cariboo (G2) intersecting M&I Resource and grade → asset should (Osisko Dev.) command a premium valuatio
Slide 25: High-Growth Emerging Intermediate Producer
High-Growth Emerging Intermediate Producer 700 koz+ annual gold production visibility (excluding Gurupi) Illustrative Growth in Annual Production GMIN’s Peer Leading Production Growth, Accelerated(4) 1,000 325% Includes TZ and Oko West forecasted production FY 25’ – 28’ TZ Combined Oko Gurupi 900 Il
Slide 26: Compelling Re-Rate Opportunity
Compelling Re-Rate Opportunity Pro forma G Mining stacks among the largest intermediate producers at a discounted valuation (even before synergies), leaving room for a significant re-rate opportunity 2026E Production (koz Au) & Enterprise Value (US$M) $6,841 $11,873 $10,898 $19,611 $9,109 $7,149 $19
Slide 27: Thank You
Thank You INVESTOR RELATIONS OFFICE LOCATIONS Jean-Francois Lemonde MONTREAL VP, Investor Relations 5025 Lapinière Blvd., Suite 1050 Email: [email protected] Brossard, Québec, Canada, J4Z 0N5 TORONTO 100 King Street West, Suite 5700 FOLLOW US Toronto, Ontario, Canada, M5X 1C7 A blue circle with a
Slide 28: Appendix
Appendix
Slide 29: Executive Team
Executive Team Louis-Pierre Gignac Julie Lafleur Diogo Braga Marc Dagenais Julie-Anaïs Debreil President & CEO, CFO & VP, Finance VP, Control Corporate Secretary VP, Geology & Resources Director Jamie Flegg Eduardo Leão Jean-François Lemonde Mireille Tremblay VP, Corporate Development VP, Sustainabi
Slide 30: Board of Directors
Board of Directors Louis Gignac Sr David Fennell Jason Neal Louis-Pierre Gignac Vincent Benoit Pierre Chenard Chairman Vice-Chairman Lead Director President, CEO & Director Director Director Réjean Gourde Elif Levesque Norman MacDonald Naguib Sawiris Sonia Zagury Director Director Director Director
Slide 31: Why GMIN
Why GMIN Experienced mine builders, cash generative asset and a world class project in construction Unparalleled Track Record of Project Delivery Oko Project • Best-in class management team with proven capability to develop, build and operate mines at the highest standards 7.0 Moz at 2.28 g/t Au • I
Slide 32: Competitive Advantage – Mine Building Expertise
Competitive Advantage – Mine Building Expertise Uniquely positioned by our proven in-house team’s ability to build and operate mines GMIN acquires G2 and GMIN acquires Oko consolidates Oko West West Gold Project and Oko-Ghanie into the Oko Project TZ Commercial GMIN acquires Production Oko Project t
Slide 33: South American Producing Asset Ranking
South American Producing Asset Ranking The combined Oko Project will be one of the largest assets in South America Production (koz Au) Rank Property Name Owner Location (2025A) #1 Paracatu Kinross Brazil 601 #2 Yanacocha Newmont Peru 515 #3 Combined Oko Project G Mining Guyana 500 #4 Fruta del Norte
Slide 34: GMIN + G2 Combined Resource
GMIN + G2 Combined Resource Material combined resource offering substantial upside at depth and along strike (1) (2) (1)(2) Combined Resource Category kt g/t Au koz Au kt g/t Au koz Au kt g/t Au koz Au Indicated 73,035 2.00 4,689 12,796 1.60 657 85,831 1.94 5,346 Open Pit Inferred 1,542 1.06 52 7,57
Slide 35: Oko-Ghanie – 2025 PEA Highlights
Oko-Ghanie – 2025 PEA Highlights Attractive scale, margins and mine life with strong resource expansion potential Development After-Tax NPV5% After-Tax IRR Payback Period Capital $2,479M 38% $664M 2.7 Years $3,000/oz $3,000/oz To commercial production $3,000/oz Total LOM Au Average Annual Total Cash
Slide 36: Oko-Ghanie – 2025 PEA Summary
Oko-Ghanie – 2025 PEA Summary Robust mine plan with strong economics underpinned by a sizeable mineral resource 2025 PEA Overview (@ $3,000/oz Au) Production (koz Au) & AISC (US$/oz Au) Profile Mining & Processing Unit LOM Open Pit (koz Au) Underground (koz Au) AISC (US$/oz Au) Mine Life Years 14 $3
Slide 37: G2 - Mineral Resources
G2 - Mineral Resources M&I Resources of 1.62 Moz @ 3.24 g/t Au, Inferred Resources of 1.91 Moz @ 3.31 g/t Au M&I Resources Inferred Resources Tonnes Grade Ounces Tonnes Grade Ounces Deposit High Grade kt g/t Au koz Au kt g/t Au koz Au Resources Oko Main 2,825 8.97 815 2,907 5.72 534 Ghanie 7,638 2.4
Slide 38: GMIN - Mineral Resources and Reserves
GMIN - Mineral Resources and Reserves 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 Long Life Tonnes Grade Ounces Tonnes Grade Ounces Project Assets kt g/t Au koz Au kt g/t Au koz Au +10 years of TZ 47,655 1.26 1,928 342 1.28 1
Slide 39: GMIN - Mineral Resources and Reserves Assumptions and Notes
GMIN - Mineral Resources and Reserves Assumptions and Notes 1. The Mineral Resources described above have been prepared in accordance with the standards of the Canadian Institute of Mining, Metallurgy and Petroleum ("CIM") (2014) and the best practices described by CIM (2019). 2. Rounding of values
Slide 40: GMIN - Mineral Resources and Reserves Assumptions and Notes
GMIN - Mineral Resources and Reserves 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 We
Slide 41: G2 - Mineral Resources Assumptions and Notes
G2 - Mineral Resources Assumptions and Notes 1. The effective date of the mineral resource estimate for the Oko-Ghanie Project (“MRE”) is November 20, 2025. 2. The MRE presented above uses economic assumptions for both surface mining in saprolite and fresh rock, and underground mining in fresh rock