Slide 1: Redeveloping a District-Scale Critical Metals Camp
REDEVELOPING A DISTRICT-SCALE CRITICAL METALS CAMP TSX-V: NEXM | NASDAQ: NEXM nexmetalsmining.com JULY 2026 | INVESTOR PRESENTATION
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 Caution Regarding Historic Data Certain scientific and technical information in this Presentation, including historic data compilation at the Selebi and Selkirk projects, are historic in nature. Reference should be made to the full text of the Selebi Techni
Slide 4: Scalable Growth in Mining-Friendly Botswana
SCALABLE GROWTH IN MINING-FRIENDLY BOTSWANA TOP MINING JURISDICTION IN AFRICA Ranked #1 in Africa, and 7th globally1 PAST-PRODUCING & PERMITTED Cu-Ni-Co-PGE MINES Selebi: 3.0 Mt @ 2.92% CuEq (Ind) and 24.7 Mt @ 3.40% CuEq (Inf)2 Selkirk: 78.2 Mt @ 0.66% CuEq (Ind) and 15.1 Mt @ 0.60% CuEq (Inf) 3 IN
Slide 5: Africa's Most Attractive Mining Jurisdiction
BOTSWANA AFRICA’S MOST ATTRACTIVE MINING JURISDICTION #1 IN AFRICA, #7 GLOBALLY — FRASER INSTITUTE (2025) LOW RISK JURISDICTION Long history of rule-of-law, competitive tax rates, no foreign exchange restrictions, and no required government free carry. STABLE POLITICAL ENVIRONMENT Botswana has long
Slide 6: A Foundation Decades in the Making
BUILDING NEXMETALS A FOUNDATION DECADES IN THE MAKING MINE HISTORY 1970s 1980s 1989 2015 2016 2017 Discovery & Selebi underground Selkirk underground BCL smelter Ceases all BCL liquidation development by production production begins failure production BCL begins NEXMETALS ERA Established Path to 202
Slide 7: Selebi Mines
SELEBI MINES • Single mining license covering 115 km² • Ortho-magmatic nickel-copper sulphide- type deposits • Historic cumulative production of: Selebi Main (1980 – 2016): ≈ 26 Mt mined Selebi North (1990 – 2016): ≈ 14 Mt mined • Current focus is expanding an already large resource
Slide 8: Data-Driven Modeling Unlocking Resource Growth Beyond the 2024 MRE
SELEBI MINES DATA-DRIVEN MODELING UNLOCKING RESOURCE GROWTH BEYOND THE 2024 MRE ACROSS BOTH DEPOSITS Multiple untested BHEM conductors at both deposits Selebi Main 2024 MRE highlight substantial expansion Inferred: 18.9 Mt @ 3.51% CuEq potential Selebi North 2024 MRE Indicated: 3.0 Mt @ 2.92% CuEq I
Slide 9: Surface Drilling Continues to Deliver High-Grade, Thick Copper Intercepts
SELEBI MAIN SURFACE DRILLING CONTINUES TO DELIVER HIGH-GRADE, THICK COPPER INTERCEPTS AT THE FLEXURE ZONE FIVE DRILL RIGS CURRENTLY ACTIVE WITH 30,000 METRES ONGOING TOWARD AN UPDATED MRE AND PEA IN H2 2026 Wide-spaced drilling (>300 m apart) continues to confirm a robust and laterally extensive min
Slide 10: Underground Drilling Confirms Scale and Continuity
SELEBI NORTH UNDERGROUND DRILLING CONFIRMS SCALE AND CONTINUITY ~315 METRES BEYOND THE 2024 MRE 9,656 METRES OF DRILLING COMPLETED Highlight Intercepts Beyond the 2024 South Limb extended MRE ~315m down-plunge, Hole ID Length (m) CuEq% increasing the plunge SNUG-24-114 21.30 4.14 extent by ~35% with
Slide 11: Selebi Mines Metallurgical Breakthrough
SELEBI MINES SELEBI MINES METALLURGICAL BREAKTHROUGH UNLOCKING ABILITY TO PRODUCE SEPARATE HIGH-GRADE SALEABLE COPPER & NICKEL-COBALT CONCENTRATES KEY POINTS: • Largest underground bulk sample from Selebi ASSAYS RECOVERIES (%) Mines with representative material selected for Product Cu metallurgical
Slide 12: Selkirk Mine
SELKIRK MINE • Mining license spans ~14.6 km², with an additional 126.7 km² across four surrounding prospecting licenses • Historical production by Tati Nickel Mining Company: ~1 Mt at 1.5% Cu and 2.6% Ni (1989–2002) • Shallow, laterally extensive mineralization supports open-pit development potenti
Slide 13: Selkirk Emerges as a Significant Development Asset
SELKIRK MINE SELKIRK EMERGES AS A SIGNIFICANT DEVELOPMENT ASSET NEW 2026 MINERAL RESOURCE ESTIMATE SHOWS 70% INCREASE, ENHANCING SCALE AND OPEN PIT DEVELOPMENT POTENTIAL • 70% Increase in New 2026 MRE: • 1.1 Blb CuEq Indicated Resource – 78.2 Mt grading 0.66% CuEq • 200 Mlb CuEq Inferred Resource –
Slide 14: Selkirk Mine Metallurgical Breakthrough
SELKIRK MINE SELKIRK MINE METALLURGICAL BREAKTHROUGH RESULT CONFIRM SEPARATE HIGH-GRADE SALEABLE COPPER & NICKEL-PGE CONCENTRATES AND IMPROVED RECOVERIES 2026 Blue Coast Research with Large Diameter HQ Core VALIDATED PROCESSING PATHWAY ASSAYS RECOVERIES (%) • Initial Locked Cycle Tests confirm abili
Slide 15: Positioned for Value Realization in 2026
UPCOMING CATALYSTS POSITIONED FOR VALUE REALIZATION IN 2026 DATA DRIVEN ECONOMIC MODELING RESOURCE GROWTH OPTIMIZATION UNLOCKING DISTRICT SCALE UPSIDE 2026 SELEBI SELKIRK ✓ Completion of • Updated MRE ✓ Completion of 34-hole ✓ Metallurgical testing underground drilling at • PEA resampling program an
Slide 16: Clear Path to Re-Rate
VALUE PROPOSITION VS. DEVELOPERS CLEAR PATH TO RE-RATE Acquired Compelling mix of jurisdiction, scale, grade, $4,000 $3,800 and permitted brownfield growth, trading MARKET CAPITALIZATION ACQUIRED well below peer development-stage projects ACQUIRED44 ACQUIRED (CAD$M)4 $2,000 $1,322 $551 $112 $0 Foran
Slide 17: Capital Structure
CAPITAL STRUCTURE CAPITAL STRUCTURE TOP SHAREHOLDERS* Share Price (June 23, 2026) $3.15 Basic Shares Outstanding 35,648,164 Warrants 9,428,996 Other Institutions Tradeable Warrants1 14,035,100 21.3% Options 920,871 RSUs 487,640 DSUs 90,887 Management 42.7% Preferred Shares 657 Retail 3.7% FD Shares
Slide 18: Management
EXPERIENCED DISCOVERY FOCUSED OPERATORS MANAGEMENT Sean Whiteford Brett MacKay CEO & Director CFO & SVP Finance • 30+ years in global mining, with multi-commodity • 18 years in mining finance, including expertise across exploration, mining, and project studies. senior roles at Lundin Mining • Held s
Slide 19: Board of Directors
TRUSTED AND EXPERIENCED BOARD OF DIRECTORS Paul Martin Sean Whiteford André van Niekerk CEO & DIRECTOR 23 years of mining industry CHAIRMAN leadership, including CFO roles at 30+ years of global mining expertise Gatos Silver, Nevada Copper, and Over 30 years of executive leadership across exploratio
Slide 20: The Next Major Critical Metals Player
THE NEXT MAJOR CRITICAL METALS PLAYER PERMITTED & PROVEN: EXPLORATION UPSIDE: TIER-ONE JURISDICTION: BUILT-IN ADVANTAGE: Past-producing Cu-Ni-Co-PGE Untested EM plates along 2 km Botswana – safe, stable, mining- Two shafts, grid power, water, rail Mines corridor between and below Selebi friendly. Es
Slide 21: Appendix
Appendix TSX-V: NEXM | NASDAQ: NEXM 21
Slide 22: ESG Commitment & Impact
ESG COMMITMENT & We are committed to a sustainable future, aligning with ESG principles to drive economic prosperity, protect the environment, IMPACT and enrich our communities. Advancing responsible mining, promoting innovation, and ensuring a brighter future for Botswana and its people. Economic P
Slide 23: A Secure Source of Future Copper Supply
BOTSWANA A Secure Source of Future Copper Supply GOVERNANCE • Lowest corruption risk in Africa 59% of global copper reserves are located in conflict-affected, sanctioned, or unstable • Top quartile globally for rule of law jurisdictions. Botswana offers a stable alternative.1 • Ranked among the worl
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: Updated NI 43-101 Mineral Resource Estimate on the Selkirk Mine
EFFECTIVE DATE: JUNE 22, 2026 UPDATED NI 43-101 MINERAL RESOURCE ESTIMATE ON THE SELKIRK MINE Grade Tonnage NSR Grade Ni Cu Co Pt Pd Au Ag Classification (Mt) (US$) CuEq (%) (%) (%) (%) (g/t) (g/t) (g/t) (g/t) Indicated 78.2 56 0.66 0.21 0.23 0.012 0.10 0.42 0.05 0.72 Inferred 15.1 51 0.60 0.18 0.21
Slide 26: NexMetals Is Undervalued
VALUE PROPOSITION VS. RESOURCE STAGE PEERS The market is paying less per NEXMETALS IS UNDERVALUED pound for NEXM than almost any peer — despite one of the largest EV / M&I+I Resource (US¢/lb CuEq)1 resource bases in the group with M&I+I Resource (Blbs CuEq)1 brownfield upside. Enterprise Value / M&I
Slide 27: Contact Us
Contact Us +1 866-NEXM (6396) info@nexmetalsmining.com TSX-V: NEXM | NASDAQ: NEXM 27