Slide 1: Marathon Copper-Palladium Mine
MARATHON COPPER-PALLADIUM MINE May 2026
Slide 2: Forward-Looking Statement
FORWARD-LOOKING STATEMENT TSX:GENM OTCQB: GENMF This presentation contains certain forward-looking information and forward-looking statements, as defined in applicable securities laws (collectively referred to herein as “forward-looking statements”). Forward-looking statements reflect current expect
Slide 3: Polymetallic Reserves
POLYMETALLIC RESERVES TSX:GENM OTCQB: GENMF PALLADIUM COPPER PLATINUM 2,627 koz. 605 Mlbs. 815 koz. First 3 Years of Operations 240 koz. Pd 50 Mlbs. Cu Per Anum GOLD SILVER 291 koz. 90% OF THE RESERVES ARE 6,877 koz. IN THE PROVEN CATEGORY # Total Measured and Indicated Mineral Resource estimates. F
Slide 4: Value Proposition: Why Generation Mining
VALUE PROPOSITION: WHY GENERATION MINING TSX:GENM OTCQB: GENMF Copper-Palladium project in Shovel-ready with all necessary Northwestern Ontario, Mining construction permits approved, Journal’s No. 1 mining jurisdiction construction team in place worldwide. Strong support from local Indigenous Tradin
Slide 5: Active Mines in Northwestern Ontario
ACTIVE MINES IN NORTHWESTERN ONTARIO TSX:GENM OTCQB: GENMF Hemlo Mining Corp: Hemlo Gold Mine (Formerly owned by Barrick) Alamos Gold: Magino & Island Gold Mines Equinox Gold: Greenstone Mine Impala Platinum: Lac Des Iles Mine Wesdome: Eagle River 5
Slide 6: Excellent Location and Jurisdiction
EXCELLENT LOCATION AND JURISDICTION TSX:GENM OTCQB: GENMF o Located on Trans-Canada Highway o Served by CPR main rail line o Main Marathon deposit is 10 km from Town of Marathon (~3,000 pop.) o New 230kV power line from Wawa to Thunder Bay crosses property o 276 Bed Construction Camp (Option to own)
Slide 7: Global Copper Demand by Sector
GLOBAL COPPER DEMAND BY SECTOR TSX:GENM OTCQB: GENMF 7
Slide 8: Copper Demand Growing at 3.5% per Year
COPPER DEMAND GROWING AT 3.5% PER YEAR TSX:GENM OTCQB: GENMF 8
Slide 9: Global Copper Discoveries Since 1990
GLOBAL COPPER DISCOVERIES SINCE 1990 TSX:GENM OTCQB: GENMF 9 Source: S&P Global
Slide 10: Why Palladium Is Important for the Future
WHY PALLADIUM IS IMPORTANT FOR THE FUTURE TSX:GENM OTCQB: GENMF o Primary demand of platinum (Pd) is for catalytic converters. o Worldwide adoption of Hybrid Electric Vehicles is accelerating. o Hybrid Electric Vehicles use more palladium than traditional ICE vehicles o BYD – largest battery electri
Slide 11: March 2025 Feasibility Study Highlights ($CAD)
MARCH 2025 FEASIBILITY STUDY HIGHLIGHTS ($CAD) TSX:GENM OTCQB: GENMF After-Tax NPV6% After-Tax IRR Initial Capital4 Payback Period $1.07 Billion (FS) 28% (FS) $992 Million CAD 1.9 years (FS) $2.2 Billion (Spot) 42% (Spot) $703 Million USD 1.3 years (Spot) Average Annual AISC Net of LOM Payable3 Prod
Slide 12: Revenue & EBITDA – Feasibility & Spot Metal Prices
REVENUE & EBITDA -- FEASIBILITY & SPOT METAL PRICES TSX:GENM OTCQB: GENMF Gross Revenue and EBITDA 1,400 1,200 1,000 800 600 400 200 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y10 Y11 Y12 Y13 (200) Gross Revenue (Incl. Stream Adjustment) @ FS Price Deck Incremental Gross Revenue (Incl. Stream Adjustment) @ Spot EBI
Slide 13: Advancing the Marathon Project Towards Production
ADVANCING THE MARATHON TSX:GENM OTCQB: GENMF PROJECT TOWARDS PRODUCTION PROGRESS ENGINEERING, FIRST COMMENCE NATIONS’ AGREEMENTS and PERMITS CONSTRUCTION PALLADIUM ENVIRONMENTAL ASSESSMENT & COPPER DECISION PRODUCTION TIMELINE (ESTIMATED) Before 2025 2025 H1 2026 H2 2026 C$240 Million Wheaton Precio
Slide 14: Sources of Funding
SOURCES OF FUNDING TSX:GENM OTCQB: GENMF Wheaton Precious Metals to provide a gold and platinum stream, including C$240m Stream upfront payment, with C$40m already advanced for early works In discussions with equipment providers for lease covering mining fleet (trucks, Equipment shovels, ancilla
Slide 15: Generation Mining Peer Positioning
GENERATION MINING PEER POSITIONING TSX:GENM OTCQB: GENMF Development Stage Comparables | P/NAV 1.50x 1.25x 1.00x P/NAV (x) 0.75x 1.37x 0.50x 0.89x 0.70x 0.65x 0.61x 0.58x 0.54x 0.25x 0.47x 0.46x 0.45x 0.43x 0.42x 0.25x 0.22x 0.00x Foran Ivanhoe Faraday Trilogy Arizona Marimaca Copper ATEX Osisko Nor
Slide 16: Lassonde Curve – The Discovery Lifecycle
LASSONDE CURVE – THE DISCOVERY LIFECYCLE TSX:GENM OTCQB: GENMF Funding risk Technical risk Exploration risk HIGH Discovery This is most likely the time when VALUE There is a tipping point in exploration when people outside of the mining industry hear of a new discovery drilling amounts to a real min
Slide 17: GENM Value Proposition
GENM VALUE PROPOSITION TSX:GENM OTCQB: GENMF GENERATION MINING | FORAN MINING Location Ontario, Canada Saskatchewan, Canada Project Name Marathon Project McIlvenna Bay Stage Permitted & Shovel Ready In Construction Commodities Cu, Pd, Pt, Au, Ag Cu, Zn, Au, Ag Mine Life (Years) 13 plus years 18 year
Slide 18: Management Team
MANAGEMENT TEAM TSX:GENM OTCQB: GENMF JAMIE LEVY RUBEN WALLIN P.Eng President, CEO & Director VP Sustainability Mr. Levy is President, Chief Executive Officer and a director of the Company. Mr. Mr. Wallin has management experience in the areas of environment, permitting, Levy was President and CEO o
Slide 19: Board of Directors / Technical Advisors
BOARD OF DIRECTORS / TECHNICAL ADVISORS TSX:GENM OTCQB: GENMF KERRY KNOLL Chairman of the Board JAMIE LEVY President, CEO and Director Mr. Knoll was a co-founder of Generation Mining and started several mining companies Mr. Levy is President, Chief Executive Officer and a director of the Company. Pr
Slide 20: Corporate Structure
CORPORATE STRUCTURE TSX:GENM OTCQB: GENMF Issued and Outstanding (March 30,2026) 321,129,850 Warrants (Avg. Price $0.66) 48,247,406 Analyst Coverage Options 5,948,131 Pierre Vaillancourt RSUs, DSUs and PSUs 10,045,266 Fully Diluted 385,370,653 Market Capitalization $222 Million (May 11, 2026, at $0.
Slide 21: Why You Should Invest in Generation Mining
WHY YOU SHOULD INVEST IN GENERATION MINING TSX:GENM OTCQB: GENMF o Marathon the only shovel-ready critical mineral project in Canada o Full project financing expected in H1, 2026 o Company trades at 24% of Net Present Value o Payback of less than two years o Seasoned team of builders with PGM & Copp
Slide 22: Jamie Levy
Jamie Levy President & CEO Email: Jlevy@genmining.com Phone: 416 567 2440 100 King St West, Suite 7010 Toronto, Ontario, Canada M5X 1B1
Slide 23: Appendix
GENERATION MINING Appendix
Slide 24: Mineral Resources and Reserves
MINERAL RESOURCES AND RESERVES TSX:GENM OTCQB: GENMF Mineral Reserves (Marathon Deposit) Tonnes Pd Cu Pt Au Ag Classification Mt g/t koz % M lb g/t koz g/t koz g/t koz Proven 115.5 0.66 2,434 0.22 549 0.20 754 0.07 264 1.7 6,242 Probable 12.7 0.47 193 0.20 56 0.15 61 0.06 26 1.6 635 Total P&P 128.3
Slide 25: Mineral Resources by Deposit
MINERAL RESOURCES BY DEPOSIT TSX:GENM OTCQB: GENMF Mineral Tonnes Pd Cu Pt Au Ag Resource Classification Mt g/t koz % M lbs g/t koz g/t koz g/t koz Marathon Deposit Measured 164.0 0.56 2,973 0.20 712 0.18 970 0.07 358 1.7 9,089 Indicated 38.1 0.39 476 0.18 153 0.13 159 0.06 71 1.6 1,896 Meas. + Ind.
Slide 26: Mineral Resources and Reserves Notes
MINERAL RESOURCES AND RESERVES NOTES TSX:GENM OTCQB: GENMF Mineral Reserves Notes: a. The Mineral Reserves Estimate were prepared by Marc Schulte, P.Eng., who is also an independent Qualified Person, reported using the 2014 CIM Definition Standards, and have an effective date of November 1, 2024. b.
Slide 27: Comparable Property Production Positioning
GENERATION MINING PEER POSITIONING COMPARABLE PROPERTY PRODUCTION POSITIONING TSX:GENM OTCQB: GENMF Development Stage Assets | Average Annual Production 600 Cu Production CuEq Production 2P Reserves MI&I Resources 35,000 30,000 500 Average Production (Mlbs Cu/CuEq) Reserves/Resources (Mlbs CuEq) 257
Slide 28: Metal Sensitivities
METAL SENSITIVITIES TSX:GENM OTCQB: GENMF Palladium Price Sensitivity (US$/oz) Palladium Price Sensitivity (US$/oz) After-Tax NPV6% After-Tax IRR Results 800 1,000 1,250 1,500 1,525 1,750 2,000 2,200 Results 800 1,000 1,250 1,500 1,525 1,750 2,000 2,200 2.50 (291) (9) 308 612 643 916 1,214 1,466 2.5
Slide 29: Marathon Critical Minerals Mine Plan
MARATHON CRITICAL MINERALS MINE PLAN TSX:GENM OTCQB: GENMF Units 2025 TR LOM Throughput Peak Process Plant Throughput TPD 27,700 Mt/year 10.1 Peak Mining Rate Tpd 164,000 Mt/year 60 Mine Production (LOM) Total Mined Mt 489.7 Total Waste Mined Mt 361.4 Total Ore Mined Mt 128.3 Strip Ratio Waste:Ore 2
Slide 30: Capex and Opex
CAPEX AND OPEX TSX:GENM OTCQB: GENMF Operating Description Units Cost 2025 FS Capital Area Mining(a) $/t processed 12.93 ($M) Mobile Equipment for Construction(a) 74 Processing $/t processed 8.57 Processing Plant 280 General & Administration $/t processed 2.62 Infrastructure 88 Concentrate Transport
Slide 31: Project Footprint and Mine Plan
PROJECT FOOTPRINT AND MINE PLAN TSX:GENM OTCQB: GENMF Units 2025 TR LOM Throughput Peak Process Plant Throughput tpd 27,700 Mt/year 10.1 Peak Mining Rate tpd 164,000 Mt/year 60 Mine Production (LOM) Total Mined Mt 489.7 Total Waste Mined Mt 361.4 Total Ore Mined Mt 128.3 Strip Ratio waste:ore 2.8 Pa
Slide 32: Processing and Metallurgy
PROCESSING AND METALLURGY TSX:GENM OTCQB: GENMF Conventional processing plant flow sheet consisting of: o Primary gyratory crusher o Overland conveyor and crushed ore stockpile o SAG-Ball Mills and Pebble crusher o Regrind mill o Rougher + cleaner flotation circuit o Concentrate and tailings dewater
Slide 33: Processing Flow Diagram
PROCESSING FLOW DIAGRAM TSX:GENM OTCQB: GENMF 33