CLARENCE, N.Y.--(BUSINESS WIRE)--22nd Century Group, Inc. (OTCQB/OTCBB: XXII) announced today that it closed a private placement on Friday, January 11, 2013 with an institutional investor. 22nd Century sold 2500 shares of its Series A convertible preferred stock and a 5-year warrant for an aggregate purchase price of $2.5 million. The shares of Series A preferred stock are convertible into a total of 4,166,667 shares of common stock at a conversion price of $0.60 per share, subject to adjustments. The 5-year warrant grants the investor the right to purchase up to an additional 4,166,667 shares of common stock at an exercise price of approximately $0.70 per share. 22nd Century also granted the institutional investor a one-year overallotment option to purchase up to an aggregate of 2,083,333 additional shares of its common stock at a price of $0.60 per share and a 5-year warrant to purchase up to an additional 2,083,333 shares of common stock with an exercise price of approximately $0.70 per share.