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SIGMA LITHIUM REPORTS 2Q25 RESULTS: DELIVERS ON-TARGET PRODUCTION, FURTHER COST REDUCTIONS AND DELEVERAGING

August 15, 2025

HIGHLIGHTS

  • Achieved 68,368t of lithium oxide concentrate in 2Q25, a 38% year-on-year increase and slightly above the quarterly target of 67,500t.
  • Maintained cost under control and below the target over previous quarter driven by economies of scale, stable plant gate costs, and efficient logistics:
    • CIF China cash operating costs of $442/t in 2Q25, 12% below target of $500/t.
    • All-in sustaining cash costs (AISC) totaled $594/t in 2Q25, 10% below target of $660/t. 
  • Reported gross sales revenue – lithium oxide concentrate of $21.1 million, 60.3% decrease compared to 2Q24, reflecting a deliberate strategy to withhold product during intense price volatility, preserving pricing power and protecting long-term margins.
  • Advanced Plant 2 construction, completed key site preparation activities and advanced procurement strategy for critical equipment, keeping the project on track to double nameplate capacity to 520,000 tonnes per year. 

Conference Call Information

The Company will hold a conference call to discuss its financial results for the second quarter of 2025 at 8:00 a.m. ET on Friday, August 15, 2025. To register for the call, please proceed through the following link Register here.

SÃO PAULOAug. 15, 2025 /PRNewswire/ — Sigma Lithium Corporation (TSXV/NASDAQ: SGML, BVMF: S2GM34), a leading global lithium producer dedicated to powering the next generation of electric vehicles with carbon neutral, socially and environmentally sustainable lithium concentrate, reports its results for the second quarter ended June 30, 2025.

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