Giga Metals Corporation · TSXV:GIGA
Giga Metals — Investor Presentation (July 2025)
36 slides from Giga Metals's investor presentation, July 2025
Slide 1: Advancing the Multi-Generational Turnagain Ni-Co Project
TSX.V: GIGA | OTCQB: GIGGF | FSE: BRR2 Advancing the Multi-Generational Turnagain Ni-Co Project gigametals.com | Corporate Presentation |July 2025
Slide 2: Disclaimer
Disclaimer This presentation ("Presentation") is being issued by Giga Metals Corporation (the “Company” or “Giga Metals”) for information purposes only. Reliance on this Presentation for the purpose of engaging in any investment activity may expose an individual to a significant risk of losing all o
Slide 3: Giga Metals - Investment Proposition
Giga Metals - Investment Proposition Experienced Leadership with Proven Track Record Across Exploration, Finance, Nickel processing, and Regulatory Matters 1 Significant Exploration Upside with Established Joint Venture Partnership Numerous Potential Targets in Nickel, 5 2 with Mitsubishi Corp. for
Slide 4: Two Strategic Pathways Driving Shareholder Value
Two Strategic Pathways Driving Shareholder Value Track 1: Development Path – Turnagain Nickel-Cobalt Project Track 2: Exploration Upside – Unlocking Potential Targets Long-Life, Low-Risk Foundation Value-Add, Optionality & Discovery-Driven Growth ▪ PFS completed: Long-life, scalable source of Class
Slide 5: Giga Metals – Corporate Highlights
Giga Metals – Corporate Highlights Giga Metals is a TSX.V & OTCQB listed junior mining company Scott Lendrum appointed CEO July 2025 l Mark Jarvis assumed role as President Flagship Turnagain Ni-Co Project: Typical annual output 37,288 t/y nickel + Cobalt Joint Venture Agreement with Mitsubishi Corp
Slide 6: Management & Advisors
Management & Advisors Lyle Trytten, P. Eng., Manager of Development Mr. Trytten has more than 25 years' experience in the nickel industry, and was previously General Manager, Sustainability with Sherritt International at their Mark Jarvis, President & Director Alberta nickel refinery. His experience
Slide 7: Board of Directors
Board of Directors Lyle Davis, P.Eng. MBA, Chairman of the Board Scott Lendrum, CEO, Director Mr. Davis is an independent director of the Company. Mr. Davis was a director Mr. Lendrum joined Giga Metals in 2025 as Chief Executive Officer. He previously of Condor Resources Inc., a copper and gold exp
Slide 8: Technical Highlights
Technical Highlights SIMPLIFIED FLOWSHEET SUCCESSFUL GEOMET PROGRAM MULTIPLE PRODUCT PATHS Crush – grind – froth flotation High-precision recovery algorithm Smelting or POX to Class 1 nickel fits all ore types LARGE OPEN PIT MINE LOW CARBON OPERATION TAILINGS SEQUESTER CO2 Very low strip ratio (0.4:
Slide 9: British Columbia – An Attractive Mining Jurisdiction
British Columbia – An Attractive Mining Jurisdiction The Turnagain project is located in joint Tahltan and Kaska Dena Territory. ▪ ESG – strong environmental and community engagement ▪ Infrastructure – access to deep-water Pacific ports and North American rail ▪ First Nations – both nations are gene
Slide 10: Giga Metals and Mitsubishi Corp. Joint Venture
Giga Metals and Mitsubishi Corp. Joint Venture ▪ In 2022, Giga Metals entered into a joint venture agreement with Mitsubishi Corp. (MC), forming the Hard Creek Nickel JV ▪ Giga and MC will jointly advance the Turnagain nickel- cobalt project as one of the lowest carbon and most environmentally frien
Slide 11: PFS Highlights
PFS Highlights 37,288 t/y Ni+Co US $1.9B Typical annual output Initial Capital Cost 30 year US$3.85/lb Ni Project life Site operating cost (Y3-28 average) 18% Ni, 1.1% Co US$4.65/lb Ni High Grade Concentrate C1 cost (Y3-28 average) Turnagain Pre-Feasibility Study, October 2023. 11
Slide 12: Simplified Processing Flowsheet
Simplified Processing Flowsheet ▪ Processing plant will be installed in slightly offset stages to maximize efficiency of construction and commissioning. ▪ Primary crusher is located adjacent to the mine to reduce haul distances ▪ Main processing facility including secondary and tertiary crushing, gr
Slide 13: High Grade, Clean Concentrate
High Grade, Clean Concentrate ▪ Desirable nickel sulfide concentrate product ▪ Multiple testwork campaigns: 15 to 21% Ni. ▪ Low impurities such as arsenic, mercury, cadmium ▪ Suitable for PFS Base Case – smelting ▪ Suitable for direct pressure oxidation to produce refined nickel end products such as
Slide 14: Projected Yearly Metal Production at Turnagain
Projected Yearly Metal Production at Turnagain Average years 3-28: 35,224 t/y Nickel 2,064 t/y Cobalt Turnagain Pre-Feasibility Study, October 2023. 14
Slide 15: Project Sensitive to Nickel Price
Project Sensitive to Nickel Price High Price Case Low Price Case Sensitivity Analysis Base Case +(15%) -(15%) Nickel Price ($/t) $24,725 $21,500 $18,275 Nickel Price ($/lb) $11.22 $9.75 $8.29 IRR (pre-tax) 15.2% 11.1% 6.2% IRR (post-tax) 14.9% 11.4% 7.1% NPV ($M, pre-tax)* $1,552 $717 -$117 NPV ($M,
Slide 16: Mineral Reserves Statement
Mineral Reserves Statement Tonnage Ni Grade Contained Ni Co Grade Contained Co Classification (Mt) (%) (million lbs) (%) (million lbs) Proven 408 0.219 1,970 0.013 121 Probable 542 0.194 2,326 0.012 146 Total 950 0.205 4,296 0.013 267 The Mineral Reserve estimates were prepared with reference to the
Slide 17: Mineral Resources Statement
Mineral Resources Statement Tonnes Ni Grade Contained Ni Co Grade Contained Co Classification (million) (%) (million lbs) (%) (million lbs) Measured 1,574 0.210 7,454 0.013 452 & Indicated Inferred 1,164 0.206 5,302 0.012 316 All mineral resources have been estimated in accordance with Canadian Inst
Slide 18: Ultramafic Intrusive Target Areas
Ultramafic Intrusive Target Areas ▪ The Turnagain deposit is open to expansion ▪ Other than the Horsetrail Zone, the Turnagain Intrusive remains underexplored Turnagain Target Areas 18
Slide 19: Generating Transformative Targets
Generating Transformative Targets ▪ Dr. Stephen Beresford identified prospective high-grade targets within the Turnagain ultramafic complex ▪ Dr. Beresford specializes in magmatic Nickel- Copper-PGE deposits, focus on polymetallic Ni-Cu-PGE deposits ▪ Adjunct Professor at the University of Western A
Slide 20: Potential High Grade Target Types
Potential High Grade Target Types ▪ Breccia pipes with semi-massive sulfides ▪ Volkovsky-type massive Cu-Fe mineralization postulated beneath near surface disseminated halo of copper, platinum and palladium in the Attic zone ▪ Marginal to basal contact sulfides along northern contact between Highlan
Slide 21: Volkovsky Copper Deposit Similar to Turnagain
Volkovsky Copper Deposit Similar to Turnagain ▪ Volkovsky is a Cu-Fe mine within an Alaskan/Uralian intrusion → Turnagain has similar geology ▪ The Volkovsky intrusion has a central quartz diorite → Turnagain has a central hornblende diorite ▪ PGE+Au mineralization at Volkovsky and Turnagain are ass
Slide 22: Large Copper Anomaly Adjacent to Ni Resource
Large Copper Anomaly Adjacent to Ni Resource Copper in Soils Survey 22
Slide 23: Nickel Prices - Historically Volatile
Nickel Prices - Historically Volatile ▪ Orange line represents nominal dollars ▪ Black line represents 2024 dollars using compounded inflation Estimated C1 Cost of Giga Metals Nickel Production 23
Slide 24: Strong Global Growth in Nickel Consumption
Strong Global Growth in Nickel Consumption Production/ 2000 2010 2020 2024 Consumption, kt Nickel 1,100 1,500 2,400 3,300 Copper 15,100 19,100 24,900 27,300 ▪ Growth of global annual nickel consumption is 201% with a CAGR of 4.9% (2000-2024) ▪ Growth of global annual copper consumption is 81% with a
Slide 25: Share of Primary Nickel Use by Application
Share of Primary Nickel Use by Application Total nickel market size expected to double this decade to 4.8mt. Source: INSG, Macquarie Commodities Strategy, July 2025 25
Slide 26: 11% Annual Demand Growth for Nickel in Batteries
11% Annual Demand Growth for Nickel in Batteries 449,000 t/y of increased nickel demand forecast for battery applications by 2030. 13 large new nickel projects need to be brought online in next 5 years to meet this demand (large = 35,000 t/y Ni = Turnagain) Source: CRU, Macquarie Commodities Strateg
Slide 27: Nickel Production Profitability at Different LME Prices
Nickel Production Profitability at Different LME Prices End-2024 Source: LME, CRU, Wood Mackenzie, Macquarie Commodities Strategy, July 2025 27
Slide 28: Indonesian Nickel Mining
Indonesian Nickel Mining ▪ Battery grade nickel in Indonesia is sourced from laterite strip mines and this type of ore is processed via high-pressure acid leach (HPAL) ▪ EV industry is dependent on Indonesian nickel to meet current rollout targets ▪ In 2024, Indonesia accounted for about 64% of the
Slide 29: Economic Comparison to HPAL Projects
Economic Comparison to HPAL Projects ▪ An internal study has been completed comparing Turnagain to a variety of potential HPAL projects of similar size to Turnagain (32-35 kt/y Ni), based on best available public information and assumptions regarding inflation and other matters. All cases have been
Slide 30: Turnagain vs Various HPAL scenarios – Cash Flow Comparison
Turnagain vs Various HPAL scenarios – Cash Flow Comparison Negative cash flow during construction, turns positive during ramp up and full production ▪ At 78% concentrate payability, Turnagain performs similarly to China Inc at 85% MHP payability, and better than all other HPAL cases ▪ Turnagain deli
Slide 31: Capital Structure
Capital Structure Trading Symbols TSX.V: GIGA | OTCQB: GIGGF | FSE: BRR2 Capital Structure (July 3, 2025) Shares Outstanding 110,157,461 Total Warrants 12,631,600 Options 10,355,000 Fully-diluted 133,144,061 Share Price (July 15, 2025) C$0.10 Market Capitalization C$11M 31
Slide 32: Contact Us
Contact Us Visit us: www.gigametals.com Email: hmillar@gigametals.com Call: +1 (604) 681-2300 Suite 203 – 700 West Pender Street Vancouver, British Columbia Canada, V6C 1G8 TSX.V: GIGA | OTCQB: GIGGF | FSE: BRR2
Slide 33: APPENDIX
APPENDIX 33
Slide 34: Breccia Pipe Target
Breccia Pipe Target ▪ Total magnetic intensity Pipe? 34
Slide 35: Reprocessed Mag Data
Reprocessed Mag Data ▪ Magnetic vector inversion (mvi) consistent with up- facing geometry Attic Zone ▪ Suggests the intrusion is in its original orientation ▪ Untested basal contact 35
Slide 36: Giant Mascot Mine, BC
Giant Mascot Mine, BC Notice how some of the pipes do not outcrop. 36