 VANCOUVER, BC , May 11, 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, is pleased to announce that its upcoming Annual and Special Meeting of shareholders AGM to be held virtually on Thursday June 30, 2022 at 11:00 a.m. Eastern Time. 