Coskata Files Registration Statement for $100 Million IPO

Date: December 19, 2011

Source: Coskata Inc.

Coskata Inc. (Warrenville, IL), which has developed a waste-to-ethanol facility in Madison, PA, plans to raise capital in an initial public offering of its stock of up to $100 million. Coskata employs plasma gasification to convert a range of carbonaceous feedstocks such as wood waste, agricultural residues and municipal solid wastes into a synthesis gas (syngas) which it then converts to ethanol via a fermentation process. According to its S-1 statement, Coskata has identified Boligee, AL as the site for its first commercial cellulosic ethanol production facility, referred to as "Flagship", which will be capable of producing 78 million gallons per year of cellulosic ethanol using wood wastes as feedstock.

December 16, 2011

Coskata Files Registration Statement for Proposed Initial Public Offering

Coskata, Inc. announced today that it has filed a registration statement on Form S-1 with the Securities and Exchange Commission for a proposed initial public offering of shares of its common stock. The number of shares to be sold in the proposed offering and the offering price have not yet been determined. Citigroup, Barclays Capital and Piper Jaffray will act as the joint book-running managers for the offering.

A registration statement relating to these securities has been filed with the Securities and Exchange Commission but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any state or 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 jurisdiction.

This offering is being made only by means of a prospectus. A copy of the prospectus relating to the offering, when available, may be obtained from: the prospectus department of Citigroup, Brooklyn Army Terminal, 140 58th Street, 8th Floor, Brooklyn, New York 11220, via telephone at 800-831-9146 or email at; from the prospectus department of Barclays Capital, via mail at c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717, via telephone at 888-603-5847 or email at; or from the prospectus department of Piper Jaffray, via mail at 800 Nicollet Mall, J12S03, Minneapolis, MN 55402, Attention: Prospectus Department, via telephone at 800-747-3924 or email at

About Coskata

Coskata is a technology leader in renewable fuels and bio-based chemicals. Coskata's low-cost, proprietary process converts a wide variety of abundant feedstocks, such as woody biomass, agricultural residues, municipal wastes, natural gas and other carbon-containing materials, into fuels and chemicals.

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