Slide 1: Catalyst-Driven Gold Growth Backstopped By a Strong Balance Sheet
TSX: GOLD | NYSE American: GLDG Catalyst-Driven Gold Growth Backstopped By a Strong Balance Sheet Corporate Presentation October 2026 GoldMining.com
Slide 2: Important Notes
Important Notes References to the “Company” or “GoldMining” are to GoldMining Inc. All references to dollar amounts are in U.S. dollars unless otherwise specified. Forward-Looking Statements Certain of the information contained in this presentation constitutes “forward-looking information” and “forw
Slide 3: A Unique Americas Opportunity
1. A Unique Americas Opportunity 3
Slide 4: GoldMining Offers Investors Immediate Balance Sheet Value and Significant Potential Project Upside
GoldMining Offers Investors Immediate Balance Sheet Value and Significant Potential Project Upside Tangible holdings, strong resource base, and execution capability create a clearer path to re-rating. 1. 2. 3. 4. VISIBLE VALUE TECHNICAL & MULTI-ASSET VALUATION GAP SUPPORT TRANSACTION RESOURCE CREDIB
Slide 5: GoldMining's Marketable Securities and Cash Provide Visible Value Support
GoldMining’s Marketable Securities and Cash Provide Visible Value Support A meaningful component of value is tangible and observable in public-market prices. Cash and Holdings Breakdown $250 C$222.8M1 $16.4 $2.5 $222.8 in cash and listed equity holdings. $92.6 Visible, marked, and observable today.
Slide 6: The Market is Assigning Limited Value to GoldMining's PEA Stage Projects and Resource Portfolio
The Market is Assigning Limited Value to GoldMining’s PEA Stage Projects and Resource Portfolio Holdings already approach market cap, leaving the advancing portfolio largely unrecognized. THE PORTFOLIO $300 C$277M PORTFOLIO INCLUDES: C$222.8M $200 Equity La Mina 2026 PEA NPV5%2 US$1.0B C$ millions h
Slide 7: GoldMining Trades at a Significant Discount to Peers
GoldMining Trades at a Significant Discount to Peers DEVELOPMENT STAGE POSITIONING Broker Consensus P / NAV (x)1 La Mina PEA with a NPV5% of US$1.0B and the São Jorge PEA NPV5% of US$0.5B which GoldMining currently plans to advance to the next stages of Development. In addition, GoldMining has a mul
Slide 8: GoldMining's Resource Base Provides Multi-Asset Optionality Across the Americas
GoldMining’s Resource Base Provides Multi-Asset Optionality Across the Americas Global Mineral Resource Estimate on 100%-owned Properties Whistler(1) Yellowknife Measured and Commodity Unit Inferred Jurisdictions Indicated Rea • Canada Gold Moz 10.0 7.6 • Colombia Silver Moz 2.2 4.2 • Brazil • Peru
Slide 9: Technical and Transaction Credibility Supports Portfolio Execution
Technical and Transaction Credibility Supports Portfolio Execution Alastair Still Amir Adnani David Garofalo Tim Smith President & CEO Founder & Co-Chair Co-Chair Vice President, Exploration Former Director of Corporate Entrepreneur and the founder and Co- Senior mining executive, currently Geoscien
Slide 10: A Track Record of Value Creation
2. A Track Record of Value Creation 10
Slide 11: GoldMining's Strategy is to Acquire, Advance, Monetize, and Retain Upside
GoldMining’s Strategy is to Acquire, Advance, Monetize, and Retain Upside Across a Portfolio of Assets 1. 2. 3. 4. MONETIZE/ ACQUIRE ADVANCE DEVELOP GROWTH Counter-cyclical Selectively progress Surface value through Keep meaningful accumulation of with technical work, development, spin- equity upsid
Slide 12: Past Transactions Show GoldMining Can Reduce Dilution and Preserve Upside
Past Transactions Show GoldMining Can Reduce Dilution and Preserve Upside at the Same Time Gold Royalty Spinout USGO Spinout Nutmeg Option Boa Vista Farm-Out March 2021 April 2023 January 2024 July 2025 Created a listed royalty Listed Whistler asset via U.S. Optioned the Almaden / Granted Australian
Slide 13: Whistler Demonstrates How GoldMining Can Surface Value Through U.S. GoldMining
Whistler Demonstrates How GoldMining Can Surface Value Through U.S. GoldMining While Retaining Controlling Upside A March 2026 PEA1 and listed USGO stake provide asset-level upside with observable value support. 71.4% Red Dog (NASDAQ: USGO) GoldMining ownership of U.S. Gold Mining Alaska Yukon Liven
Slide 14: Gold Royalty Provides Liquid Exposure to a Diversified Cash-Flowing Royalty Portfolio
Gold Royalty Provides Liquid Exposure to a Diversified Cash- Flowing Royalty Portfolio Listed equity exposure to a diversified, cash-flow-generating royalty book. 250+ US$7.9M US$5.6M 7.5-9.3k POSITION VALUE Royalty interests Q2 2026 total revenue, Q2 2026 adjusted GEO diversified across land agreem
Slide 15: Prioritized Portfolio Advancement
Yellowknife 3. Prioritized Portfolio La Mina Advancement São Jorge Crucero 15
Slide 16: São Jorge: A Highly Manageable PEA Anchoring Our Development Strategy
SÃO JORGE São Jorge: A Highly Manageable PEA Anchoring Our Development Strategy AFTER-TAX NPV5% AFTER-TAX IRR INITIAL CAPITAL EXPENDITURE AVERAGE ANNUAL PRODUCTION US$532M US$837M 42% 59% US$202M 51,250oz Au base spot base spot Including 25% contingency per year over 10.6 year mine life MINERAL RESO
Slide 17: La Mina: A US$1.0B NPV Blueprint for Internal Value Creation
LA MINA La Mina: A US$1.0B NPV Blueprint for Internal Value Creation AFTER-TAX NPV5% AFTER-TAX IRR INITIAL CAPITAL EXPENDITURE AVERAGE ANNUAL PRODUCTION US$1.0B US$1.8B 32% 49% US$523M 152 koz AuEq base spot base spot Including +20% contingency per year over 11.2 year mine life MINERAL RESOURCE Au G
Slide 18: Crucero's Antimony Makes It Valuable and Differentiated
CRUCERO Crucero’s Antimony Makes It Valuable and Differentiated AUEQ UPLIFT INDICATED RESOURCE GRADE CONTAINED ANTIMONY ANTIMONY CONTRIBUTION +75% AuEq 1.26 g/t AuEq 88 kt Sb 25% 29% vs. 2017 MRE Indicated | Inferred 51 kt Ind + 37 kt Inf of Ind Inf AuEq MINERAL RESOURCE Au Grade Sb Grade Eq. Grade
Slide 19: Renewed Exploration in a High-Grade Canadian Gold Camp
YELLOWKNIFE Renewed Exploration in a High-Grade Canadian Gold Camp M&I CONTAINED Au INFERRED Au DEPOSITS DISCOVERY MINE (PAST) 1.06 Moz 0.74 Moz 5 ~1.02 Moz 14.11 Mt at 2.33 g/t Au 9.30 Mt at 2.47 g/t Au Ormsby largest at ~1.17 Moz total Produced 1950–1969 by prior owner MINERAL RESOURCE Class Tonna
Slide 20: Yarumalito and Titiribi Add Meaningful Additional Upside
ADD’L UPSIDE Yarumalito and Titiribi Add Meaningful Additional Upside YARUMALITO · ANTIOQUIA, COLOMBIA TITIRIBI · ANTIOQUIA, COLOMBIA Gold-copper porphyry with district-scale upside Large-scale, longer-dated optionality INFERRED AuEq HISTORIC DRILLING M&I CONTAINED AuEq PLUS INFERRED 1.50 Moz 18,450
Slide 21: Additional Upside Investors Do Not Need to Underwrite Today
ADD’L UPSIDE Additional Upside Investors Do Not Need to Underwrite Today Beyond the priority assets, GoldMining retains additional owned, optioned and monetized positions. ASSET STRUCTURE WHY IT MATTERS Boa Vista Optioned to AUZ Australian Mines funds the exploration program and earns up to 80% Tapa
Slide 22: Multiple Near-Term Catalysts to Close the Value Gap
CATALYSTS Multiple Near-Term Catalysts to Close the Value Gap Holdings protect the downside; catalysts drive the upside. São Jorge Whistler / USGO La Mina Crucero Yellowknife Gold Flagship development Developing Copper-Gold Visible internal Dual gold-antimony Exploration optionality, asset deposit i
Slide 23: Appendix
GOLDMINING 4. Appendix
Slide 24: Corporate Snapshot
Corporate Snapshot Corporate Snapshot Share Structure(1,2) As of October 6, 2026 Issued & Outstanding 214.8 M GOLD : TSX $1.29 Avg. Daily Volume (3 Months) 416,592 Options + RSUs 15.5 M GLDG : NYSE American US$0.90 Fully Diluted(1) 230.3 M Avg. Daily Volume (3 Months) 973,571 Market Cap(2) $277 M Ke
Slide 25: Global Mineral Resources
Global Mineral Resources1,2,3 Grade Contained Metal Deposit Cut-off4 Tonnes Gold Silver Copper Antimony Gold Eq Gold Silver Copper Antimony Gold Eq (g/t) (Mt) (g/t) (g/t) (%) (%) (g/t) (Moz) (Moz) (Mlbs) (kt) (Moz) Measured Resources Titiribi5 0.30 85.00 0.39 -- 0.15 0.62 1.06 -- 285.6 1.69 Yellowkn
Slide 26: Global Mineral Resource Notes
Global Mineral Resource Notes: 1. Mineral resources are not mineral reserves and do not have demonstrated economic viability. There is no certainty that all or any part of the mineral resources will be converted into mineral reserves. The estimate of mineral resources may be materially affected by e
Slide 27: Initial PEA Delivers $2.0B NPV With Meaningful Torque to Metal Prices
Initial PEA Delivers $2.0B NPV With Meaningful Torque to Metal Prices WHISTLER DEPOSIT · PEA economics based on the Indicated MRE only CONSENSUS $3,200/oz Au · $4.50/lb Cu · $37.50/oz Ag SPOT $5,000/oz Au · $5.85/lb Cu · $70/oz Ag Consensus Spot Consensus Spot Consensus Spot $1,046 /oz Au $2.0B $4.9
Slide 28: La Mina: NPV Blueprint for Internal Value Creation
La Mina: NPV Blueprint for Internal Value Creation 2026 PEA Demonstrates Strong Project Economics(1) Metal Prices Units Base Case Spot Price Gold $/oz 3,500 4,775 Copper $/lb 4.70 5.75 Silver $/oz 40 77 Production Data1 Mine Life years 11.2 Mined Mineralized Material million tonnes 61.3 Process Plan
Slide 29: Pará State is the Second Most Active Mining State in Brazil
Pará State is the Second Most Active Mining State in Brazil Legend: Excellent Infrastructure GoldMining Assets • Road accessible, nearby hydro-electric power and water Neighbouring Gold Assets • Year-round site access Roads Low corporate tax rate Amapá Railway • 15.25% in Pará State compared to 34%
Slide 30: São Jorge, Brazil: Tapajós Region – Increasing Investment Activity
São Jorge, Brazil: Tapajós Region – Increasing Investment Activity Mineral Resources(2) Project Classification Cut-off g/t Tonnage Grade Gold Insitu Mt g/t oz São Jorge (1) Indicated 0.27 19.418 1.0 624,000 Inferred 0.27 5.557 0.72 129,000 March 2026: 8,000 m. drill program testing new zones within
Slide 31: São Jorge, Brazil: 2025 Exploration Program
São Jorge, Brazil: 2025 Exploration Program New exploration discoveries at 4 new gold prospects within 3.5 km. radius of the existing São Jorge deposit Drill intercepts include: • Dragon West: 5.98 g/t Au over 1m. • William North: 2.90 g/t Au over 1m; 1.75 g/t Au over 1m • Ivonette: 1.06 g/t Au over
Slide 32: Active Exploration Underway Across the Brazilian Portfolio
Active Exploration Underway Across the Brazilian Portfolio São Jorge soil sampling Geological mapping Rock grab sample GOLD: TSX | GLDG: NYSE AMERICAN | GOLDMINING.COM 32
Slide 33: Cachoeira, Brazil: Exploration Upside in the Gurupi Greenstone Belt
Cachoeira, Brazil: Exploration Upside in the Gurupi Greenstone Belt Eastern side of Mineral Tonnage Au Grade Ounces Cachoeira Shear Resources (kt) (g/t) (koz) unexplored Measured & 17,470 1.23 692 Indicated Inferred 15,667 1.07 538 Project Summary • The Cachoeira Gold Project is located in Pará stat
Slide 34: Three Gold-Copper Projects With Meaningful Scale and Exploration Upside
Three Gold-Copper Projects With Meaningful Scale and Exploration Upside Colombia Assets: Titiribi, La Mina & Yarumalito Colombia and the Mid-Cauca Belt GoldMining’s Colombian Project Advancement Legend: • La Garrucha deposit adds approx. 1.0 million oz AuEq in the Inferred category and 0.2 Other Exp
Slide 35: Yarumalito, Colombia: One Deposit & Several Exploration Targets
Yarumalito, Colombia: One Deposit & Several Exploration Targets • Gold-copper porphyry and high-grade epithermal gold mineralization • 6 geochemical-geophysical targets for follow-up exploration • Historic drilling (18,450 m in 55 holes) and limited small-scale underground production • Located ~10 k
Slide 36: Existing Infrastructure in Titiribi & La Mina, Colombia
Existing Infrastructure in Titiribi & La Mina, Colombia Offices, Camps and Core Facilities Already on the Ground Titiribi Office and Core Facility La Mina Core Facility La Mina office La Mina Office GOLD: TSX | GLDG: NYSE AMERICAN | GOLDMINING.COM 36
Slide 37: Boa Vista Project, Tapajós Gold District, Brazil
Boa Vista Project, Tapajós Gold District, Brazil Unlocking Value and Retaining Interest in Exploration Upside July 2025: GoldMining Enters into Binding Termsheet with Second Option: AUZ may earn a further 19% interest in the Project (to 70%) within 3 years from the date of completion of the first op
Slide 38: Nutmeg Mountain, Idaho
Nutmeg Mountain, Idaho Unlocking Value for GoldMining through a Strategic Partnership NevGold’s acquisition of Nutmeg Mountain delivers immediate and long-term value to GoldMining TSX-V : NAU • Strong Returns to GoldMining Shareholders(1) The transaction realized an attractive rate of return for Gol
Slide 39: TSX: GOLD | NYSE American: GLDG
TSX: GOLD | NYSE American: GLDG Toll Free: +1 (855) 630-1001 Corporate Office - Vancouver Email: info@goldmining.com 1830 - 1188 W. Georgia Street, Vancouver, BC V6E 4A2 Canada GoldMining.com