Sigma Lithium (SGML) investor relations material

Executive summary

• Achieved strong operational and financial performance in 2025 and 1Q26, demonstrating resilience amid extreme lithium price volatility without raising new capital.

• Generated $31M cash from operations in 4Q25, with strong inflows projected for 1Q26 ($35M) and 2Q26 ($96M).

• Signed $146M in new offtake agreements for high-grade lithium oxide concentrate deliveries starting in 2026, supporting growth, debt repayment, and capacity expansion.

• Restructured mining operations, transitioning to in-house control for efficiency and cost optimization.

• Maintained industry-leading safety record with zero lost-time accidents for 2.7 years and no fatalities in 13 years.

Financial highlights

• Net sales of $67M in 4Q25 and 1Q26, with $48M in net sales revenue in 4Q25.

• Operating cash margin reached 47% in 4Q25, reflecting strong cost discipline.

• Operating costs declined 77% year-over-year in 4Q25, offsetting a 64% drop in net sales revenues.

• Deleveraged by repaying 60% of short-term debt and 35% of total debt in 2025; total debt at year-end 2025 was $141M.

• Cash and cash equivalents increased to $6.2M at end of 4Q25 and $12M by March 30, 2026.

Outlook and guidance

• Production guidance targets 240,000 tonnes of high-grade lithium oxide concentrate in the next 12 months at an all-in sustaining cost of $592/tonne.

• Cash flow forecasts for FY2027E range from $158M to $601M depending on realized lithium prices.

• Plant 2 commissioning expected early 2027, doubling capacity to 520,000 tonnes; Plant 3 planned, leveraging existing infrastructure for up to 770,000 tonnes by 2028.

• No new capital raised; growth funded by offtake prepayments and organic cash flow.