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Gevo Sponsored Research Leads to UL Approval of Isobutanol for Gasoline Storage & Dispensing Equipment

ENGLEWOOD, Colo., Dec. 23, 2013 (GLOBE NEWSWIRE) -- Gevo, Inc. (Nasdaq:GEVO), the world's only commercial producer of bio-based isobutanol, today confirmed that Underwriter Laboratories (UL) has approved the generic use of up to 16% isobutanol in UL 87A pumps by any manufacturer meeting ASTM specifications, providing all of the service stations across the country with the assurance that isobutanol blended gasoline will work in their current gasoline pumps without the need to purchase new equipment.

Gevo has been working with UL for several years to approve the use of isobutanol in UL 87A pumps. UL in working with various companies and independent laboratories compiled data for their scientific determination on isobutanol. Gevo sponsored a large study based on SAE J1681 and using a model created in a previous UL investigation with ethanol-surrogate gasoline fuel blends.

"I am very pleased with what we have accomplished with UL. They are great organization to work with in the commercialization of isobutanol," said Glenn Johnston, Executive Vice President for Regulatory Affairs at Gevo. "This removes another hurdle in the commercialization of renewable isobutanol in on-road gasoline."

About Gevo

Gevo is a leading renewable chemicals and next-generation biofuels company. Gevo's patent-protected, capital-light business model converts existing ethanol plants into bio-refineries to make isobutanol. This versatile chemical can be directly integrated into existing chemical and fuel products to deliver environmental and economic benefits. Gevo has executed initial commercial-scale production runs at its isobutanol facility in Luverne, Minn., constructed in conjunction with ICM, a leading provider of proprietary ethanol process technology, and has a marquee list of partners including The Coca-Cola Company, Sasol Chemical Industries, and LANXESS, Inc., an affiliate of LANXESS Corporation, among others. Gevo is committed to a sustainable bio-based economy that meets society's needs for plentiful food and clean air and water. For more information, visit www.gevo.com.

Forward-Looking Statements

Certain statements in this press release may constitute "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include statements that are not purely statements of historical fact, and can sometimes be identified by our use of terms such as "intend," "expect," "plan," "estimate," "future," "strive" and similar words. These forward-looking statements are made on the basis of the current beliefs, expectations and assumptions of the management of Gevo and are subject to significant risks and uncertainty. Investors are cautioned not to place undue reliance on any such forward-looking statements. All such forward-looking statements speak only as of the date they are made, and the company undertakes no obligation to update or revise these statements, whether as a result of new information, future events or otherwise. Although the company believes that the expectations reflected in these forward-looking statements are reasonable, these statements involve many risks and uncertainties that may cause actual results to differ materially from what may be expressed or implied in these forward-looking statements. 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 the business of Gevo in general, see the risk disclosures in the Annual Report on Form 10-K of Gevo for the year ended December 31, 2012, as amended, and in subsequent reports on Forms 10-Q and 8-K and other filings made with the SEC by Gevo.

CONTACT: Media Contact:
         Robin Peak
         Gevo, Inc.
         T: (720) 267-8632
         rpeak@gevo.com

         Investor Contact:
         Mike Willis
         Gevo, Inc.
         T: (720) 267-8636
         mwillis@gevo.com

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Gevo, Inc.