Nexmetals Mining Corp. · TSXV:NEXM
Nexmetals Mining — Investor Presentation (August 2026)
27 slides from Nexmetals Mining's investor presentation, August 2026
Slide 1: Redeveloping a District-Scale Critical Metals Camp
REDEVELOPING A DISTRICT-SCALE CRITICAL METALS CAMP TSX-V: NEXM | NASDAQ: NEXM nexmetalsmining.com AUGUST 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: District-Scale Redevelopment Opportunity in One of the World's Leading Mining Jurisdictions
DISTRICT-SCALE REDEVELOPMENT OPPORTUNITY IN ONE OF THE WORLD'S LEADING MINING JURISDICTIONS 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
Slide 5: A Stable Foundation for Long-Term Value Creation
BOTSWANA A STABLE FOUNDATION FOR LONG- TERM VALUE CREATION AFRICA’S MOST ATTRACTIVE MINING JURISDCTION AND RANKED #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. S
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: A Large-Scale, High-Grade Opportunity
SELEBI MINES: A LARGE-SCALE, HIGH- GRADE OPPORTUNITY • 115 km² mining lease • 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 reso
Slide 8: Extensive Brownfield Infrastructure to Support Future Redevelopment
SELEBI MINES EXTENSIVE BROWNFIELD INFRASTRUCTURE TO SUPPORT FUTURE REDEVELOPMENT Selebi North (#4 Shaft) Underground Massive sulphide Twin Airport and 745 m level development stope declines paved roads Selebi Main (#2 Shaft) Cable belt conveyor Office buildings Rail and power Skilled workforce 300 m
Slide 9: 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 Selebi Main 2024 MRE Inferred: 18.9 Mt @ 3.51% CuEq Multiple untested BHEM conductors highlight substantial expansion potential at depth and between deposits Selebi North 2024 MRE Indicated: 3.0 Mt @
Slide 10: High-Grade Mineralization Continues to Expand the Flexure Zone
SELEBI MAIN HIGH-GRADE MINERALIZATION CONTINUES TO EXPAND THE FLEXURE ZONE FIVE DRILL RIGS CURRENTLY ACTIVE FROM SURFACE DEFINING A NEW HIGH-GRADE TREND BEYOND THE 2024 MRE Wide-spaced drilling (>300 m apart) continues to confirm a robust and laterally extensive mineralized system beyond the 2024 MR
Slide 11: Underground Drilling Confirms Scale and Continuity Beyond the 2024 MRE
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 MRE Hole ID Length (m) CuEq% South Limb extended SNUG-24-114 21.30 4.14 ~315m down-plunge, including 13.80 4.40 SNUG-24-129 7.20 7.2
Slide 12: 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 Ni Co Fe S metall
Slide 13: Selkirk Mine: An Emerging Open-Pit Development Asset
SELKIRK MINE: AN EMERGING OPEN-PIT DEVELOPMENT ASSET • 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 mineralizati
Slide 14: Updated Mineral Resource Positions Selkirk for Advancement
SELKIRK MINE UPDATED MINERAL RESOURCE POSITIONS SELKIRK FOR ADVANCEMENT 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 Res
Slide 15: 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 ASSAYS RECOVERIES (%) VALIDATED PROCESSING PATHWAY • Initial Locked Cycle Tests confirm abili
Slide 16: 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 17: Selebi Is One of the Highest-Grade Copper Projects
VALUE PROPOSITION VS. DEVELOPERS SELEBI IS ONE OF THE HIGHEST-GRADE COPPER PROJECTS COMPARED AGAINST DEVELOPER PEERS WITH CUEQ. RESOURCE > 1.0B LBS IBW — Emerita 3.00% 3.01% 3.40% ★ Selebi — Nexmetals 2.92% B26 — Abitibi 2.20% 2.08% Greenbay — Firefly 2.60% 2.00% Antakori — Regulus 0.66% 0.74% 0.60%
Slide 18: Combined Scale Rivals Peers at a Deep Discount
VALUE PROPOSITION VS. DEVELOPERS COMBINED SCALE RIVALS PEERS AT A DEEP DISCOUNT Compelling mix of jurisdiction, scale, grade, $4,000 $3,800 and permitted brownfield growth ACQUIRED MARKET ACQUIRED44 ACQUIRED CAPITALIZATION $2,000 Acquired $1,292 (CAD$M)4 $552 $110 $0 Foran Firefly Magna 4,000 TOTAL
Slide 19: Capital Structure
CAPITAL STRUCTURE CAPITAL STRUCTURE TOP SHAREHOLDERS* Share Price (August 4, 2026) $3.08 * Approximate percentages based on public disclosure Basic Shares Outstanding 35,648,164 Warrants 9,127,796 42.7% Tradeable Warrants1 14,035,100 Other Institutions 21.3% Options 903,883 RSUs 484,086 DSUs 243,987
Slide 20: 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 21: 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 22: 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 23: Appendix
Appendix TSX-V: NEXM | NASDAQ: NEXM 23
Slide 24: 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 25: 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 26: 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 27: Contact Us
Contact Us +1 866-NEXM (6396) info@nexmetalsmining.com TSX-V: NEXM | NASDAQ: NEXM 27
NexMetals Mining — Investor Presentation (August 2026) on 6ix