January 23, 2023
SIGMA LITHIUM ANNOUNCES INITIATION OF COMMISSIONING OF DENSE MEDIUM SEPARATION PROCESSING PLANT AND GO FORWARD LEADERSHIP AS IT EVOLVES TO LITHIUM PRODUCER
January 19, 2023
SIGMA LITHIUM FILES NI 43-101 TECHNICAL REPORT FOR PRODUCTION EXPANSION SUPPORTING THE PREVIOUSLY ANNOUNCED 60% INCREASE IN MINERAL RESERVES AND US$ 15.3 BILLION NPV