 BUFFALO, N.Y., June 09, 2021 GLOBE NEWSWIRE -- 22nd Century Group, Inc. NYSE American: XXII, a leading plant-based biotechnology company focused on tobacco harm reduction, reduced nicotine tobacco, and hempcannabis research, is pleased to announce that it will be added to the Russell 2000, Russell 3000, and Russell Global Indexes at the conclusion of the Russell US Indexes annual reconstitution, effective at the opening of the U.S. equity markets on June 28, 2021. 