$XXII Conference Monday: WILLIAMSVILLE, N.Y. , Dec. 04, 2020 (GLOBE NEWSWIRE) -- 22nd Century Group, Inc. (NYSE American: XXII), a leading plant-based, biotechnology company that is focused on tobacco harm reduction, very low nicotine content tobacco, and hemp/cannabis research, announced today that it will be presenting at the 13th Annual LD Micro Main Event Conference on Monday, December 14, 2020 , at 9:20 a.m. ET . James A. Mish , chief executive officer of 22nd Century Group , will be presenting to a live, virtual audience.