Sigma Lithium Corporation · NASDAQ:SGML
Sigma Lithium — Investor Presentation (December 2025)
24 slides from Sigma Lithium's investor presentation, December 2025
Slide 1: Sigma Lithium
Sigma Lithium High purity, green and sustainable lithium, responsibly sourced December 2025 : SGML : SGML : S2GM34
Slide 2: Disclaimer (1/2)
Disclaimer (1/2) No Offer or Solicitation Regarding Securities This presentation has been prepared by Sigma Lithium Corporation (“Sigma”) for general information purposes only and does not constitute an offer to sell or a solicitation of an offer to buy any securities of Sigma or its affiliates in a
Slide 3: Disclaimer (2/2)
Disclaimer (2/2) Sigma’s operations and financial condition; Any limitation on the transfer of cash or other assets between Sigma and Sigma’s subsidiaries, or among such entities, could restrict Sigma’s ability to fund its operations efficiently; Sigma is subject to risks associated with its relianc
Slide 4: Leading Global Lithium Producer
Leading Global Lithium Producer Operational excellence, competitive advantage of low costs & sustainability Large Scale Green Lithium Production • One of the world’s largest lithium producers • Run-rate annual production of 270,000 tonnes (37,000 t LCE) Large Scale • Expansion to 895,000 tonnes (120
Slide 5: Strategically Located for the Electric Battery Supply Chain
Strategically Located for the Electric Battery Supply Chain In one of the world’s largest mining provinces, with existing infrastructure Shipping: Vitoria Port Water: License for River at Property Power: Hydroelectricity Transmission Lines Road: Existing Highway to Port
Slide 6: The World's 5th Largest Industrial Lithium Mineral Producing Complex
Sigma Lithium: The World’s 5th Largest Industrial Lithium Mineral Producing Complex Mineral Resource Estimates: 93 Mt Measured & Indicated (M&I), 107 Mt Total (M&I + Inferred) Ability to significantly grow, as only 25% of land package has been drilled to date Contained Lithium Tonnage (Mt LCE) M&I G
Slide 7: Low-Costs Per Tonne
Low-Costs Per Tonne (1) (2) Plant Gate Cost CIF Cash Cost with Royalties 9M25 AISC vs FY2025 Guidance (3) US$/Tonne US$/Tonne US$/Tonne +5% +6% +7% $692 $660 +23% +22% $551 $560 $543 $515 $513 $458 $442 $424 $427 $397 $395 $364 $349 $348 $318 1Q24 2Q24 3Q24 4Q24 1Q25 2Q25 3Q25 1Q24 2Q24 3Q24 4Q24 1Q
Slide 8: Over 2 Years with ZERO Accidents
Over 2 Years with ZERO Accidents Remaining low-cost while maintaining operational excellence One of the World’s Best Safety Records • Employee engagement & safety processes • Direct Connection to factory floor • Enhanced performance • Cost optimization Without Lost Time Injury (LTI) YTD TRFIR(1) (1)
Slide 9: Strong Growth Profile
Strong Growth Profile
Slide 10: Capacity Expansion
Capacity Expansion Organic growth plans to reach 120,000t of LCE capacity by 2026 Annual Nameplate Capacity (tonnes of LCE) 2024: Efficiency Initiatives to 2026: Completion of 2027: Completion of (2) Phae 1 Plant Phase 2 Plant (1) Phase 3 Plant Production Construction project fully funded Constructi
Slide 11: Existing Infrastructure and Mining Operations of Plant 1 Will Expedite Construction of Plant 2
Existing Infrastructure and Mining Operations of Plant 1 Will Expedite The Construction of Plant 2 Construction Progress P1 P2 Water Pipelines In Place Power Substation In Place Moving High Voltage Power Lines In Place Sewage Water Treatment Plant In Place Support Infrastructure In Place Pre-Strip P
Slide 12: Potential Additional Cost Reductions in Optimization of Phase 1 Mine
Potential Additional Cost Reductions to Be Achieved in an Optimization of Phase 1 Mine (Xuxa Mine) Advancement towards Phase 2 Expansion focusing on preparing Phase 1 Mine for increased volume
Slide 13: Sequential Improvements to the Greentech Plant Delivered Outstanding Production Results
Sequential Improvements to the Greentech Plant Delivered Outstanding Production Results Version 1.0 Version 2.0 Version 3.0 Module 3: Tailings dry stacking and water Module 2: Improvements in Present day reusage circuit total reengineering DMS lithium recovery circuit plant Module 1: Increase in eff
Slide 14: Mining: Software for Operational Efficiency in Mining & Blasting
Mining: Software for Operational Efficiency in Mining & Blasting Optimization = More Sustainability Load & blasting simulation Fleet & fuel management
Slide 15: Greentech Industrial Plant: Automation + Software Algorithms
Greentech Industrial Plant: Automation + Software Algorithms Implementing AI in the SCADA system : • Detection of anomalies • Correction recommendations • Self Learning metallurgy from mineralogy
Slide 16: Significant Potential for Growth as Electric Battery Demand Rises
Significant Potential for Growth as Electric Battery Demand Rises Current focus is on just one part of the broader land package and only 4 of 9 former operating lithium mines have NI 43-101 mineral resource estimates to date
Slide 17: What We Do
What We Do: Industrialize the most sustainable and highest quality lithium oxide globally
Slide 18: Environmental Highlights
Environmental Highlights Key actions to meet our objectives & targets SDGs Mine Greentech Plant Fauna & Flora Programs Preserved Water Piaui Creek 100% Water Recycling Pasture Areas Used 100% Renewable Energy two deep pits versus one superpit water used in production is recycled utilized for the loc
Slide 19: Sigma Built a Resilient Company
Sigma Built a Resilient Company Thriving throughout the lithium price cycle Large Production Scale 1. Speed of execution 2. Low capex: Developed in a mining & industrialized state in Brazil 3. Low-cost operating country High Purity, Green Low Production Cost and Sustainable
Slide 20: Appendix
Appendix
Slide 21: Dry Stacking: Zero Tailings Dams
Dry Stacking: Zero Tailings Dams
Slide 22: Preserving the Piaui Creek: Our 13:1 Strip Ratio is a Fair Trade-Off
Preserving the Piaui Creek: Our 13:1 Strip Ratio is a Fair Trade-Off North Pit APA – Ribeirão Piauí South Pit
Slide 23: Regeneration of Mining Area: Polymers Early-Stage Growth
Regeneration of Mining Area: Polymers Early-Stage Growth
Slide 24: Sigma Lithium
SIGMA LITHIUM
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