HIGHLIGHTS Sigma Lithium confirms that its mining and industrial activities continue to operate and that the Company remains focused on advancing its expansion plans and expecting to deliver 240,000t of lithium oxide concentrate within 12 months and 330,000t in FY 27. The Company clarifies that it has not received any legal communication in connection with a preliminary judicial ruling

An Industry-Wide Challenge With Local Consequences Mine closure funding gaps represent one of the most persistent and underappreciated liabilities in the global extractive sector, leaving host communities exposed to environmental, social, and economic risks long after operations have ceased. Across multiple jurisdictions — from sub-Saharan Africa to Latin America and parts of the Asia-Pacific — the pattern is consistent: mines

Copper One Resources Corp. is pleased to announce new surface copper assay results from a first-pass reconnaissance program at the Sport Project (“Sport” or the “Project”) in Utah’s historic San Francisco Mining District (“Frisco”), which the Company is acquiring through its proposed acquisition of Rooinek Mining Corp. (“Rooinek”) (see news release dated July 20, 2026). Highlights Grab samples returned up to 1.155% Cu (SP002), with visible malachite

Sigma Lithium (TSXV: SGML) has been ordered to stop mining at Grota do Cirilo after a Brazilian judge suspended the environmental licences underpinning the operation, sidelining the company’s sole revenue-generating asset while the courts sort out a dispute over a map. The injunction, issued Friday by Judge Antonio Lucio Tulio de Oliveira Barbosa, came in a civil suit brought by