Sigma Lithium (SGML) investor relations material

Executive summary

• Achieved record operational and financial performance in Q2 2026, surpassing all targets with strong cost controls, operational resilience, and value creation.

• Maintained status as a large-scale, low-cost, traceable lithium producer with strong ESG credentials, including over 1,100 days without accidents and 100% renewable energy use.

• Production ramp-up led to a 50% increase in output to 35,400 tons, supporting significant cost reductions and exceeding guidance by 6%.

• Demonstrated ability to generate substantial cash flow and high margins, positioning for further expansion and shareholder returns.

• Operations temporarily paused in July 2026 pending finalization of a TAC Agreement with state regulators.

Financial highlights

• Generated $27 million in cash from operations in H1 2026 and achieved record net revenues of $55 million in Q2, with a 52% increase in lithium oxide concentrate production over Q1.

• Maintained high gross margin at 60%, record EBITDA margin at 47%, and operating margin at 32%.

• Realized price per tonne increased to $2,089, up 17% from Q1 26.

• All-in sustaining cost reduced to $668 per ton, with plant gate cost at $401/t and CIF at $452/t, down over 30% year-over-year.

• Net debt reduced to $125 million, with 43% of total debt repaid over two years.

Outlook and guidance

• On track to deliver $668 per ton all-in sustaining cash cost for 2026 and targeting $620 per ton for 2027.

• Production guidance advanced to 240,000 tons for 2026, 330,000 tons for 2027, and 830,000 tons by end of 2028.

• Cash flow projections for 2027 range from $360 million to $500 million depending on lithium prices.

• Construction of next industrial plant pushed to end of 2027 due to temporary suspension.