The Offering book comprises primarily of institutional investors, including leading global asset managers focused on ESG & sustainability Sigma was strongly supported by its current and new investors closely aligned in purpose with Sigma’s commitment to an ESG-centric strategy, resulting in significant levels of oversubscription in the Offering /EIN News/ -- VANCOUVER, British Columbia, Feb. 05, 2021 (GLOBE NEWSWIRE) -- SIGMA Lithium Resources Corporation (“Sigma” or the “Company”) (TSXV: SGMA) (OTC-QB: SGMLF) is pleased to announce that, owing to strong global institutional investor interest, it has increased the size of its previously announced non-brokered private placement of common shares (the “ Offering”) by