SIGMA LITHIUM ENVIRONMENTAL LICENSE FOR BARREIRO MINE IS AWARDED WITH UNANIMOUS APPROVAL, ENABLING CONTINUOUS INDUSTRIAL-MINING INTEGRATED OPERATIONS THROUGHOUT THE 16-YEAR TERM OF DEVELOPMENT BANK FINANCING

SÃO PAULO, Dec. 20, 2024 /PRNewswire/ -- Sigma Lithium Corporation (TSXV/NASDAQ: SGML, BVMF: S2GM34) ("Sigma Lithium" or the "Company"), a leading global lithium producer dedicated to powering the next generation of electric vehicles with carbon-neutral, socially and environmentally sustainable lithium concentrate, is pleased to announce the receipt of a Triple Environmental License (Licenca Operacional (LO), Licenca Previa (LP), Licenca Instalacao (LI)) for its Barreiro mine. Barreiro is the second mine site within the Grota do Cirilo property, the Company's 100% owned operation in Brazil, planned for sequential integration to feed the Company's Greentech Industrial Plant in the coming years.