Sigma Lithium Corporation · NASDAQ:SGML
Sigma Lithium — Investor Presentation (September 2025)
30 slides from Sigma Lithium's investor presentation, September 2025
Slide 1: Strategy for 2H 2025 and 2026
Strategy for 2H 2025 and 2026 September 2025 : SGML : SGML : S2GM34
Slide 2: Disclaimer
Disclaimer 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 any jur
Slide 3: Disclaimer
Disclaimer (…) to risks associated with its reliance on consultants and others for mineral exploration and exploitation expertise; The current COVID-19 pandemic could have a material adverse effect on Sigma’s business, operations, financial condition and stock price; If Sigma is unable to ultimately
Slide 4: Strategic Priorities
Strategic Priorities Securing demand, reducing costs, and strengthening commercial resilience 1. Offtake agreements (up to $100M) - Clients + prepayments 2. Lower structural costs at Plant Gate - Enhance mine geometry to lower unit cost (lower strip) - Maintain production scale 3. Maintain commercia
Slide 5: Short-Term Strategic Priorities
Short-Term Strategic Priorities Strengthening balance sheet, optimizing costs, and improving liquidity 1. Deleveraging - Lowering interest rate expenses Lowering all-in factory costs 2. - Maintenance cycles - Interest - SG&A 3. Leverage on suppliers for working capital - Increasing duration of accou
Slide 6: Amongst Lowest Costs in the Industry: Continues to Lower All In Cash Costs
Amongst Lowest Costs in the Industry: Continues to Lower “All In Cash Costs”
Slide 7: Sigma Lithium Competitiveness: Low Cost Resilience & Responsible Sourcing
Sigma Lithium Competitiveness: Low Cost Resilience & Responsible Sourcing Maintained the Highest Sustainability and Ethical Sourcing Standards Hard-Rock Lithium CIF China Cost-Curve 1,400 1,200 CIF China U$/t Cost of Lithium Concentrate 1,000 Aug 25 Prices ($950) 800 Sept 25 Prices ($830) 2Q25 Price
Slide 8: Maintained Low-Cost Leading Position on an All-In Basis
Maintained Low-Cost Leading Position on an All-In Basis: Demonstrating Financial Discipline (1) (2) (3) Plant Gate Cost CIF Cash Cost with Royalties All-In Sustaining Costs USD/Tonne USD/Tonne USD/Tonne -24% -23% -14% $775 $779 $761 -4% -20% $622 $592 $594 -12% $551 $515 $513 $458 $442 $427 $397 $39
Slide 9: 2 Years+ with Zero Accidents: Cost Reductions While Maintaining Operational Excellence
2 Years with ZERO Accidents: Cost Reductions Achieved While Maintaining Operational Excellence Culture of Safety and Processes Helped the Identification of Areas For Optimization One of ICMM’s Best Safety Records • Employee Engagement & Safety Processes at “Factory Floor” Enabled • Enhanced Performa
Slide 10: All-In Sustaining Cost Continue to Be Lowered Versus 2025 Targets
All-In Sustaining Cost Continue to Be Lowered Versus 2025 Targets: Navigating Lithium Price Cycles Reported 2Q25 Forecast 25E and 26E 68,308/Q = 273,200t/Y 270,000t/Y 520,000t/Y Financial Expenses -10% SG&A -10% Maintenance Capex $660 -65% +10% $594 $70 $6 $70 $55 $527 $35 $35 $442 $65 $30 $12 $35 $
Slide 11: Deleveraging and Lowering Interest Rate Expenses
Deleveraging and Lowering Interest Rate Expenses: Leaning on Clients Balance Sheet
Slide 12: Decrease in Trade Finance Short-Term Debt
Decrease in Trade Finance Short-Term Debt As a Result of Continuous Working Capital Efficiency Decreased Short-Term Trade Finance Facilities $ 120 30.00% -57% Export Prepayment Trade Finance Balance (US$ M) $101 $ 100 25.00% $90 $ 80 20.00% Interest % per Year -16% $59 $60 -33% $ 60 15.00% $51 $43 $
Slide 13: Further Decreased Interest Expenses Towards Achieving 2025 Targets
Further Decreased Interest Expenses Towards Achieving 2025 Targets Production Expansion to be Financed with US$100M Lower-Cost Subsidized Debt from BNDES GuidanceFinancial ProvidedStatements Reported FY 2023 FY 2024 1Q25 2Q25 Short-Term Debt Long-Term Debt $1 60/t $ 200,000 Interest/ton Non-Disburse
Slide 14: Suppliers Bridge – 2024 to 2Q25
Suppliers Bridge – 2024 to 2Q25 Reconciliation of net suppliers, arbitrations, and regional variations US$ Millions $2.0 $13.7 $8.0 $5.6 $44.3 $36.3 $32.6 $27.0 Net Suppliers - 2024 Ongoing arbitration - 2024 Total Suppliers - 2024 Brazilian-Based Suppliers Non-Brazilian Based Total Suppliers 2Q25 O
Slide 15: Prepayments for Offtake Agreements Enable Lower Interest Costs
Low Cost Producer: Prepayments for Offtake Agreements From Clients Enables Sigma to Lower Interest Costs and Deleverage or Lengthen Debt Monthly Debt Repayment (Millions) 4 Years Paid (High Interest) $100.3 $100.0 To Be Renewed (Low Interest) Projected To Be Replaced With Lower Interest Or Longer Du
Slide 16: Ability to Generate Free Cash Flow at Current Lithium Prices
Ability to Generate Free Cash Flow at Current Lithium Prices
Slide 17: Forecasts Consistent with Reported Cost, Demonstrating Resilience in Cash Flow Generation
Forecasts Consistent with Reported Cost, Demonstrating Resilience in Cash Flow Generation in the Current Price Environment: Further Increases at Scale Cost Guidance per Tonne (US$/t) 2Q25 FY2025E FY2026E Production Volumes 68,368t 270,000t 520,000t CIF China Cash Cost ($442) ($500) ($427) Maintenanc
Slide 18: Offtake Agreements: Strengthening the Balance Sheet
Offtake Agreements: Strengthening the Balance Sheet
Slide 19: Ability to Receive Prepayments for Offtake Agreements From Clients
Low Cost Producer: Ability to Receive Prepayments for Offtake Agreements From Clients at $416 per ton Delivered with Grace Periods Potential Value of Agreement: Counterparties: Trading & Corporate Quantity Duration Counterparty to Secure Prepayment 1. 40kt per company 3 years: 1. Western Trading Com
Slide 20: Performance Optimization at Mine and Plant: Further Decrease Plant Gate Costs
Performance Optimization at Mine and Plant: Further Decrease Plant Gate Costs
Slide 21: Sequential Improvements to the Greentech Plant Lowered Processing Costs
Sequential Improvements to the Greentech Plant Lowered Processing Costs and Delivered Increased Production since 4Q24 into 2025 Plant 3.0 – Nov. 24 Second and Plant 2.0 – July 23 Module 3: Tailings Dry Stacking and Water Reusage Circuit Total Reengineering (Current) Module 2: Optimization of Recover
Slide 22: Strong Production Cadence Profile: On Track to Deliver 2025 Production Target
Strong Production Cadence Profile: On Track to Deliver 2025 Production Target Commercial strength enabled decision to store production during a few weeks of intensive price volatility Production Volume Annual Production Production Sales Annualized Production +40% +13% 308kt 273kt 274kt 270kt 240kt 2
Slide 23: Potential Additional Cost Reductions to be Achieved in Optimization of the Mines
Potential Additional Cost Reductions to be Achieved in Optimization of the Mines Advancement Towards Phase 2 Expansion Focusing on Preparing Mine for Increased Volumes
Slide 24: Moving Forward into 2026
Moving Forward into 2026
Slide 25: Existing Infrastructure Will Expedite the 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 M
Slide 26: Sigma Lithium Continues its Expansion to Cement Global Leadership
Sigma Lithium Continues its Expansion to Cement Global Leadership in Lithium Industry Organic Growth Plans to Reach 120,000t of LCE Capacity by 2026 Nameplate Capacity (tonnes of LCE) 2024: Efficiency Initiatives to 2026: Completion of Phase 2 2027: Completion of Phase 3 Plant 1 Plant Plant Producti
Slide 27: Over the Last Year Sigma Lithium Became a Leading Producer Resilient to Cycles
Over the Last Year Sigma Lithium Became a Leading Producer Resilient to Cycles Operational discipline, low cost and large scale Increased Mineral Reserves by 40% Production Cadence: Large Volumes Amongst Lowest Cost Producers Signed Transformative Decreasing Short Development Bank Term Trade Debt Lo
Slide 28: Appendix
Appendix
Slide 29: We Successfully Solved The "Puzzle of Competitive Advantage"
We Successfully Solved The “Puzzle of Competitive Advantage” Scale + Low Costs Traceability + Low Costs Scale + Traceability = = = Price Cycle Resilience Competitive Sells to Largest Supply Advantage to Africa Chains Low Construction Capex Management Speed of Location in Developed = Execution Mining
Slide 30: Sigma Lithium
W\4 SIGMA LITHIUM
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