Slide 1: The Future Critical Metals Supply Chain Company
The Future Critical Metals Supply Chain Company: Rapidly Advancing Two Past Producers OCTOBER 2025 | INVESTOR PRESENTATION TSX-V: NEXM | NASDAQ: NEXM | nexmetalsmining.com
Slide 2: Cautionary Note Regarding Forward-Looking Statements
CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS This presentation (the “Presentation”) is to be used by the recipient for informational purposes only and does not purport to be complete or contain all of the information that may be material to the current or future business, operations, financi
Slide 3: Important Cautionary and Other Information
IMPORTANT CAUTIONARY AND OTHER INFORMATION Caut ion Regardi ng Historic Data Certain scienti fi c and technical information in this Presentation, includi ng historic data compilation at the Selebi and Selkirk projects, are historic in nature. Reference should be made to the full text of the Selebi T
Slide 4: Global Copper Supply: A Growing Gap
GLOBAL COPPER SUPPLY: A Growing Gap The World Needs More Copper — But Where Will It Come From? Copper Supply and Demand Imbalance 2023-2050 BHP estimates that global copper demand will increase by 1 million metric tons annually Beginning as early as 2024, and accelerating through to 2050, demand for
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Slide 6: Safe, Scalable, and in Mining Friendly Botswana
DISTRICT SCALE CRITICAL METALS SUPPLY CAMP: Safe, Scalable, And In Mining Friendly Botswana PAST-PRODUCING & PERMITTED Cu-Ni-Co-PGE MINES Selebi and Selkirk Mines — proven assets ready to deliver. EACH DEPOSIT OPEN AT DEPTH Strong potential for underground expansion and long-life, scalable productio
Slide 7: Historical Evolution of Selebi & Selkirk Mines
HISTORICAL EVOLUTION OF Selebi & Selkirk Mines 2020 INDICATIVE OFFER NEXM selected as preferred bidder in 2024 NEXM PUBLISHES liquidation process. Provided exclusivity for further due diligence. SELEBI NI 43-101 MRE Indicated: 3.0 Mt @ 2.92% CuEq SELEBI MINES 2015 SMELTER FAILURE 2022 (Jan) NEXM ACQ
Slide 8: Global Cu-Ni Sulphide Assets
Assets Global Cu-Ni Sulphide ASSET COMPANY TONNAGE GRADE ACQUISITION COST PERMITTING IN PLACE INFRASTRUCTURE IN PLACE NOTE 3.40% CuEq Inferred Acquired by NEXM January 2022. Initial MRE at 24.7 Mt Inferred 2.92% CuEq Indicated SELEBI MINE Selebi Main and Selebi North in accordance 3.0 Mt Indicated*
Slide 9: Selebi Mine
Selebi Mine SELEBI NORTH SHAFT 4 (733 METER LEVEL) TSX-V: NEXM | NASDAQ: NEXM 9
Slide 10: Selebi Benefits
Selebi Benefits BOTSWANA IS A TIER 1 MINING JURISDICTION Government support in mining industry to generate employment RESOURCE UPDATED, EXPLORATION GROWTH POTENTIAL • Initial NI 43-101 compliant resource August 2024 OPERATIONAL ADVANTAGES • Untested borehole electromagnetic plates and further in-fil
Slide 11: Expansion Drilling Between Selebi Mine Deposits
PROVEN GEOPHYSICAL Expansion Drilling Between Selebi Mine Deposits Hole ID Length (m) CuEq% SNUG-24-096-W1 12.90 4.12 and 24.50 2.17 SNUG-24-102 17.00 2.02 Including 8.10 2.42 SNUG-24-114 21.30 4.14 Including 13.80 4.40 SNUG-24-144 14.40 3.99 SNUG-24-172 14.20 5.14 SNUG-25-184 13.50 3.68 and 6.25 2.
Slide 12: Selebi Mines Metallurgical Breakthrough
Selebi Mines Metallurgical Breakthrough Unlocking Ability to Produce Separate High-Grade Saleable Copper & Nickel-Cobalt Concentrates: Key Points: Bulk Samples – Real World Test Material • Largest underground bulk sample to date at 95 tonnes from Selebi Mines. Strategic Advantage: • Proven Technolog
Slide 13: Selkirk
Bs oe © | Francistown \. @) Historic Mine Selkirk Mining Lease @J Primary Road @Z Secondary Road NexMetals Selkirk TSX-V: NEXM Selkirk Mine Tailings Dam Phoenix Mine 5km
Slide 14: Selkirk Resource
Selkirk Resource 2024 FOCUS • Re-assay of 17 holes to incorporate Co and PGEs not previously assayed. • Assays released Oct 28, 2024 • MRE released Nov 27, 2024: 44Mt @0.81%CuEq 2025 DRILL PROGRAM • Twinning of 11 historic holes (3,903 m) to validate resampling • Drill core utilized for metallurgica
Slide 15: Selkirk Mine
Selkirk Mine Potentially Significant Untapped Value • Mining license covers approximately 14.6 square kilometres and the four prospecting licenses cover 126.7 square kilometres • Tati Nickel Mining Company mined high grade Cu-Ni massive sulphides to produce 1 million tonnes at 1.5% Cu and 2.6% Ni be
Slide 16: Q4 2025 Catalysts: Innovative Value Growth Model
Q4 2025 CATALYSTS: Innovative Value Growth Model CONTINUOUS DRILLING ONGOING STUDIES DATA DRIVEN RESULTS SELEBI MINES METALLURGICAL TESTING BHEM PRECISION TARGETING • Selebi North Underground Resource • Selebi Mines: Initial results confirm • Selkirk BHEM results confirm Expansion Drilling lower-cos
Slide 17: Capital Structure
Capital Structure (Est. Post Consolidation as at October 1, 2025) 21,449,318 Issued & Outstanding 36% 22% 22% 20% FIORE LED 2025 MANAGEMENT, EDGEPOINT INVESTMENT OTHER NON-BROKERED DIRECTORS & SELECT GROUP INSTITUTIONAL 1,035,423 9,428,996 PRIVATE PLACEMENT SHAREHOLDERS & RETAIL Options Warrants 88,
Slide 18: Management
EXPERIENCED, DISCOVERY FOCUSED Morgan Lekstrom Sean Whiteford CEO & Director President Management • 20+ years in mining, led NexGold’s turnaround via strategic M&A and debt restructuring. • 30+ years in global mining, with multi- commodity expertise across exploration, mining, and project studies. •
Slide 19: Board of Directors and Strategic Advisors
Paul Martin Morgan Lekstrom TRUSTED, EXPLORATION-DRIVEN CHAIRMAN CEO & DIRECTOR Board of Directors Over 30 years of executive leadership in mining, including CEO and CFO roles at major TSX- and NYSE-listed companies. 20+ years in mining, with leadership roles at NexGold, Freeport, Rio Tinto, and Gol
Slide 20: Botswana: A Proven Mining Powerhouse
BOTSWANA A Proven Mining Powerhouse Botswana: A Tier-One Mining Jurisdiction STABLE POLITICAL ENVIRONMENT Botswana has long had a stable political system Long history of rule-of-law, competitive tax rates, no foreign exchange with low corruption, which is crucial for investor controls and no require
Slide 21: The Next Major Critical Metals Player?
The Next Major Critical Metals Player? PERMITTED & PROVEN: EXPLORATION UPSIDE: TIER-ONE JURISDICTION: BUILT-IN ADVANTAGE: Past-producing Selebi and Selkirk Untested EM plates along 2 km Botswana – safe, stable, mining- Two shafts, grid power, water, rail & mines – Ready rapid re-start and corridor b
Slide 22: ESG Commitment & Impact
ESG Commitment & We are committed to a sustainable future, aligning with ESG principles to drive economic Impact prosperity, protect the environment, and enrich our communities. Advancing responsible mining, promoting innovation, and ensuring a brighter future for Botswana and its people. Economic P
Slide 23: Contact Us
Contact Us Phone +1 833-770-4334 Email Jaclyn Ruptash Jaclyn@NexMetalsMining.com VP Communications & Investor Relations Address Suite 3123, 595 Burrard Street P.O. Box 49139 Vancouver, BC V7X 1J1 TSX-V: NEXM | NASDAQ: NEXM 23
Slide 24: Initial NI 43-101 Mineral Resource Estimate on the Selebi Mine
EFFECTIVE DATE: JUNE 30, 2024 Initial NI 43-101 Mineral Resource Estimate On The Selebi Mine Classification Tonnage Grade Contained Metal Deposit Mt % Cu % Ni kt Cu kt Ni Selebi North 3.0 0.90 0.98 27 29 Indicated Total 3.0 0.90 0.98 27 29 Selebi Main 18.9 1.69 0.88 319 165 Inferred Selebi North 5.8
Slide 25: Initial NI 43-101 Mineral Resource Estimate on the Selkirk Mine
EFFECTIVE DATE: NOVEMBER 1, 2024 Initial NI 43-101 Mineral Resource Estimate On The Selkirk Mine Grade Contained Metal Classification Tonnage (Mt) Cu % Ni % Pd g/t Pt g/t CuEq* % Cu kt Ni kt Pd koz Pt koz Inferred 44.2 0.30 0.24 0.55 0.12 0.81 132 108 775 174 *CuEq% calculated using the formula Cu%