SIGMA LITHIUM FILES PHASE 3 TECHNICAL REPORT SUPPORTING THE PREVIOUSLY ANNOUNCED ~50% INCREASE IN TOTAL NI 43-101 MINERAL RESOURCE ESTIMATE TO 86 MILLION TONNES

VANCOUVER, BC, Aug. 9, 2022 /PRNewswire/ — SIGMA Lithium Corporation (“Sigma Lithium” or the “Company”) (NASDAQ: SGML, TSXV: SGML), dedicated to powering the next generation of electric vehicles with environmentally sustainable and high-purity lithium, reports that it has filed a…