Sigma Lithium Corp ( TSX-V:SGML , NASDAQ:SGML , ASX:SAU) has agreed with Synergy Capital to push back the maturity of its US$100 million senior secured debt by six months, to June 2027 from December 2026.
The interest rate on the facility is unchanged at SOFR plus 6.95% per year, according to a statement from the company.
The extension defers the final repayment requirement due in December and lengthens 93% of the Brazil-focused lithium producer's debt profile to June 2027, giving it more financial flexibility as it executes its plans.
The new agreement keeps the same basic terms and default triggers as the original December 2022 deal.
The extra time comes as Sigma ramps up output following the restart of operations. The company resumed work on October 5 after Brazil's Federal Superior Court reinstated all of its environmental licenses, and it produced 7,090 tonnes of lithium oxide concentrate between October 5 and October 21.
Sigma maintains its target of scaling annualized production of lithium oxide concentrate to 330,000 tonnes by the end of 2027, supported by existing capacity at its Cleantech Industrial Plant and its recycling and reprocessing circuits.
The deal follows a period of deleveraging. Sigma has repaid more than US$90 million in debt since the second quarter of 2024 through cash generation, cutting total debt by about 40% over two years to US$125 million as of October 21.
"The six-month extension provides additional time to continue ramping up production ahead of the new maturity date," Sigma CEO Ana Cabral said in a statement.
"Together with our low costs and current lithium pricing levels, we expect to regain operational cash flow momentum," Cabral added.
Sigma said it supports 19,000 jobs and about 80,000 family members in Brazil's Vale do Jequitinhonha region, where it operates across 12 municipalities.
The company will report third-quarter 2026 production, sales, realized prices, costs and cash by November 13.
