The offerings were made pursuant to the Company’s shelf registration statement filed with the Securities and Exchange Commission, and are expected to close on or about July 5, 2012, subject to customary closing conditions.In connection with the offerings, UBS Securities LLC and Piper Jaffray & Co. are acting as joint book-running managers. Robert W. Baird & Co. Incorporated is serving as co-manager for the common stock offering. Copies of the final prospectus supplements and accompanying prospectuses relating to the offerings, when available, may be obtained from UBS Securities LLC at 299 Park Avenue, New York, NY 10171, Attention: Prospectus Department, or by calling (888) 827-7275, or from Piper Jaffray & Co. at 800 Nicollet Mall, J12S03, Minneapolis, MN 55402, Attention: Prospectus Department, by calling (800) 747-3924 or by emailing firstname.lastname@example.org. A registration statement relating to the shares of common stock and convertible notes to be issued in the offerings has been filed with the Securities and Exchange Commission (SEC) and is effective. This press release does not constitute an offer to sell, or the solicitation of an offer to buy, these securities, nor will there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale is not permitted. About Gevo Gevo is converting existing ethanol plants into biorefineries to make renewable building block products for the chemical and fuel industries. The Company plans to convert renewable raw materials into isobutanol and renewable hydrocarbons that can be directly integrated on a “drop in” basis into existing chemical and fuel products to deliver environmental and economic benefits. Gevo is committed to a sustainable biobased economy that meets society’s needs for plentiful food and clean air and water. Forward-Looking Statements This news release contains certain forward-looking statements that involve risks and uncertainties, including, without limitation, statements regarding the completion, timing and size of the proposed public offerings, Gevo’s anticipated proceeds from the offerings, and its use of those proceeds. Actual results or developments may differ materially from those projected or implied in these forward-looking statements. Factors that may cause such a difference include, without limitation, risks and uncertainties related to market conditions and the satisfaction of customary closing conditions related to the proposed public offerings. There can be no assurance that Gevo will be able to complete the proposed public offerings on the anticipated terms, or at all. For a further discussion of risks and uncertainties that could cause actual results to differ from those expressed in these forward-looking statements, as well as risks relating to Gevo’s business in general, see the risk disclosures in Gevo’s SEC filings, including its most recent Annual Report on Form 10-K for the year ended December 31, 2011, its Quarterly Reports on Form 10-Q filed from time to time with the SEC, and in the final prospectus supplement related to the public offering to be filed with the SEC. All forward-looking statements included in this news release are based on information available at the time of the release. Gevo is under no obligation to (and expressly disclaims any such obligation to) update or alter its forward-looking statements, whether as a result of new information, future events or otherwise.