Sigma Lithium Corporation saw its shares move higher in after-hours trading following the company's report that second-quarter production surpassed its prior guidance.
The producer recorded output of 35,000 tonnes of lithium oxide concentrate in the second quarter of 2026, exceeding its guidance of 33,000 tonnes by 6%.
Operational performance and recovery
During the quarter, Sigma Lithium's Cleantech Industrial Plant achieved a 70% recovery rate of lithium from spodumene ore, producing an approximate yield of 20%. Management said the operation reached full operating run-rate after expanding its mining fleet, with an optimized mine plan cited as supporting the increased throughput.
Production trajectory and expansion readiness
The company reaffirmed that it remains on track to deliver annualized Phase 1 production of 240,000 tonnes. Following the recent upgrades to mining operations, the company stated its team has demonstrated readiness to support construction of a second Cleantech Industrial Plant within 12 months and the potential development of a third plant thereafter.
Cost profile and exclusions
Sigma Lithium projected all-in sustaining costs of $710 per tonne for Phase 1 production. The company said those costs would fall to $620 per tonne assuming Phases 1 and 2 are operational, and to $610 per tonne with all three phases in operation. These cost estimates explicitly exclude environmental, social and financial expenses.
Cash-flow outlook at a reference price
Using a realized lithium price of $1,500 per tonne as the basis for its modelling, Sigma Lithium forecasted cash flow of $130 million from Phase 1 alone. Projected cash flow rises to $327 million with Phase 2 and to $493 million with all three phases operational, according to the company figures.
Upcoming reporting
Sigma Lithium said it will publish its full second-quarter 2026 financial and operating results on August 14, 2026.
Key takeaways
- Q2 2026 production beat guidance - 35,000 tonnes delivered versus 33,000 tonnes guided (6% above guidance).
- Operational improvements - 70% lithium recovery at the Cleantech Industrial Plant and full run-rate from the expanded mining fleet.
- Clear staged economics - all-in sustaining cost estimates and cash-flow projections provided for Phase 1, Phase 2 and three-phase scenarios.
Risks and uncertainties cited by the company
- Cost estimates exclude environmental, social and financial expenses, which could affect realized unit economics if incurred.
- Plans to build additional Cleantech Industrial Plants are contingent on the company's readiness to execute those projects within the stated timeframe.
- Investors await the company's full second-quarter 2026 financial and operating results on August 14, 2026, which could provide additional detail and affect assessment of performance.