Sigma Lithium Announces Mining Efficiency Upgrades and Highlights ESG Initiatives in Brazil

Sigma Lithium Recognized for ESG Practices, Announces Mining Operations Upgrade São Paulo, Oct. 6, 2025 - Sigma Lithium Corporation (TSXV/NASDAQ: SGML, BVMF: S2GM34) has been included as a case study in the “Climate and Nature Solutions in Brazil” report published by Instituto Itausa and the Arapyau Foundation. The report highlights Sigma Lithium’s adaptation of traditional iron and bauxite mining practices to lithium extraction, as well as its environmental and social initiatives in the Cerrado region, such as reforestation and compensation programs. The company also announced upgrades to its mining operations aimed at increasing efficiency and competitiveness. According to Sigma Lithium, these changes are expected to reduce costs and support future capacity expansions, including plans for a second Greentech plant scheduled for 2026. In addition, Sigma Lithium participated in high-level forums during Climate Week in New York, engaging with policymakers and investors on sustainable mineral supply chains and energy transition topics. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Sigma Lithium Corporation published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001171843-25-006286), on October 06, 2025, and is solely responsible for the information contained therein. © Copyright 2025 - Public Technologies (PUBT) Original Document: here