Gevo Awarded Foundational Patent for Commercially Viable Isobutanol Production

Gevo Awarded Foundational Patent for Commercially Viable Isobutanol Production

ENGLEWOOD, Colo., April 30, 2013 (GLOBE NEWSWIRE) -- Gevo, Inc. (Nasdaq:GEVO)
announced today that it has been issued a new patent, U.S. Patent No.
8,431,374 ('374 Patent), covering the foundational methods for low-cost
isobutanol production at commercially relevant titer, productivity, and

"This is a milestone achievement toward our goal of making commercial
isobutanol a reality," said Brett Lund, Gevo's executive vice president and
general counsel. "Titer, productivity, and yield are three of the key metrics
needed to sustain an economically viable process for isobutanol production.
This patent broadly protects methods of producing isobutanol at economically
viable levels. Prospective producers of isobutanol cannot achieve commercially
viable production without access to our '374 Patent."

"This patent significantly strengthens Gevo's intellectual property position
and reinforces our unmatched ability to obtain dramatic improvements in
commercially-viable isobutanol production," added Lund. "We will continue to
take the steps necessary to protect and maintain the integrity of our
industry-leading technology."

This is the tenth U.S. patent granted to Gevo within its biocatalyst
portfolio. Gevo's patent portfolio includes more than 450 patents and patent

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.,
and has a marquee list of partners including Coca-Cola, Sasol, and LANXESS,
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

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:
         Steve Halsey
         Gibbs & Soell for Gevo
         T: (212) 697-2600
         Investor Contact:
         Chelsea DeLong
         PR & Marketing Coordinator
         T: (303) 588-6306

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