Sigma Lithium Celebrated 1,010 Days Without Accidents and Zero Fatalities; Operations on Track to Reach 240ktpy Lithium Oxide; Categorically Responds to Inaccurate Media Reports

Sigma Lithium Corporation has reached a significant operational milestone with 1,010 consecutive days without lost time injuries and zero fatalities since beginning operations 14 years ago, establishing one of the top safety records globally in the battery materials industry. The company has successfully concluded its mining operations ramp-up and remains on track to achieve its production guidance of 240,000 tonnes per year of lithium oxide concentrate at its Grota do Cirilo operation in Brazil's Vale do Jequitinhonha region.

The company's operational achievements include the full mobilization of large mining equipment operating in four shifts, creating approximately 600 new jobs and bringing total direct employment to over 1,000 positions. Sigma Lithium's cleantech industrial plant utilizes dense media separation technology without drinking water or toxic chemicals, powered entirely by renewable energy. The facility operates without requiring a mud tailings dam, with dry stacked tailings reprocessed or sold as low-grade lithium concentrate, generating additional revenue streams.

However, the company faced negative media coverage regarding its waste rock piles, which it categorically denied as inaccurate reporting. Brazil's mining regulator, Agencia Nacional de Mineracao (ANM), has issued an official technical statement attesting to the safety of Sigma Lithium's waste rock piles. The company noted that while there is an ongoing administrative inquiry by the Ministry of Labor and Employment, this does not materially affect its ability to continue mining activities. A minor fine of R$10,000 (approximately US$2,000) was levied as part of this inquiry.

The timing of the negative media reports coincided with unusual trading activity in put options on the company's shares, leading to 6.5% share price decline while other lithium producers saw gains. Sigma Lithium has contacted appropriate authorities including FINRA regarding these events. The company generates approximately 20,000 direct and indirect employment positions in the Vale do Jequitinhonha region, positioning it as the largest investor and employer in the area and highlighting its significant role in Brazil's critical minerals processing industry.