BUFFALO, N.Y., Oct. 16, 2023 — 22nd Century Group, Inc. (Nasdaq: XXII) (the “Company”), a leading biotechnology company dedicated to improving health with reduced nicotine tobacco, hemp/cannabis and hops advanced plant technologies, today announced that it intends to offer and sell in a “best efforts” public offering shares of its common stock (or common stock equivalents in lieu thereof) and warrants to purchase shares of common stock. All of the shares of common stock (or common stock equivalents) and warrants in the offering are to be offered by the Company. The offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed, or the actual size or terms of the offering.

The Special Equities Group, a division of Dawson James Securities, Inc., is acting as the sole placement agent for the proposed offering.

The Company expects to use the net proceeds of the proposed offering for general corporate purposes.

The securities described above will be offered by the Company pursuant to a shelf registration statement on Form S-3 (File No. 333-270473) previously filed with the Securities and Exchange Commission (“SEC”) and declared effective by the SEC on March 31, 2023. The offering will be made only by means of a prospectus, including a prospectus supplement, forming a part of the effective shelf registration statement. A preliminary prospectus supplement and accompanying prospectus relating to the securities being offered will be filed with the SEC. Copies of the preliminary prospectus supplement and accompanying prospectus may be obtained, when available, for free by visiting EDGAR on the SEC’s website at www.sec.gov. Alternatively, you may contact Dawson James Securities, Inc. at its corporate headquarters at 101 North Federal Highway, Suite 600, Boca Raton, FL 33432, (561) 391-5555. Before you invest, you should read the preliminary prospectus supplement and accompanying prospectus and the other documents that the Company has filed with the SEC for more complete information about the Company and the proposed offering.

This press release shall not constitute an offer to sell or the solicitation of any offer to buy the securities discussed herein, nor shall there be any offer, solicitation, or sale of the securities in any state or other jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or other jurisdiction.

About 22nd Century Group, Inc.

22nd Century Group, Inc. (Nasdaq: XXII) is a leading biotechnology company dedicated to improving health with reduced nicotine tobacco, hemp/cannabis and hops advanced plant technologies. With dozens of patents allowing it to control nicotine biosynthesis in the tobacco plant, the Company has developed proprietary reduced nicotine content (RNC) tobacco plants and cigarettes, which have become the cornerstone of the FDA’s Comprehensive Plan to address the widespread death and disease caused by smoking. The Company received the first and only FDA Modified Risk Tobacco Product (MRTP) authorization for a combustible cigarette in December 2021. In tobacco, hemp/cannabis and hop plants, 22nd Century uses modern plant breeding technologies, including genetic engineering, gene-editing, and molecular breeding to deliver solutions for the life science and consumer products industries by creating new, proprietary plants with optimized alkaloid and flavonoid profiles as well as improved yields and valuable agronomic traits.