KiOR Provides Operational Update on Columbus Facility

KiOR Provides Operational Update on Columbus Facility

PASADENA, Texas, Sept. 19, 2013 (GLOBE NEWSWIRE) -- KiOR, Inc. (Nasdaq:KiOR),
provided today an update on the operations at its Columbus, Mississippi,
facility in response to the volumes and Renewable Identification Numbers, or
RINs, listed in the EPA Moderated Transaction Systems monthly report issued on
September 18, 2013.

In July and August, the Columbus facility produced 172,398 gallons of fuel,
bringing the 2013 production total from the facility to 357,532 gallons
through August 31, 2013. The ratio between gasoline, diesel and fuel oil
produced during the most recent two months equaled to approximately 83%
gasoline and diesel, with the remaining production as fuel oil. Production
from Columbus during July and August exceeded total second quarter production
by nearly 40,000 gallons.

As of August 31, 2013, Columbus has shipped 199,071 gallons of fuel since the
beginning of 2013, about half of which (99,175 gallons) were shipped in July
and August.The Company expects to continue shipping fuel produced in July and
August during the month of September.

"KiOR's Columbus facility continues to make strides toward steady state
operations," said Fred Cannon, President and CEO."With the BFCC section of
the Columbus facility currently producing additional oil, we believe that we
are well-positioned to build on the progress made during July and August and
to produce additional volumes of cellulosic fuel for American vehicles
consistent with our most recent guidance."

About KiOR

KiOR, a global leader in cellulosic gasoline and diesel transportation fuels,
has developed a unique proprietary technology platform to convert abundant and
sustainable non-food biomass into fuels for use in vehicles on the road today.
KiOR's cellulosic fuels, which may be transported using existing distribution
networks, help ease dependence on foreign oil, reduce lifecycle greenhouse gas
emissions and create high-quality jobs and economic benefit across rural

KiOR's shares are traded on NASDAQ under the symbol "KiOR." For more
information, please visit

Forward-Looking Statements

This release contains "forward looking" statements within the meaning of the
Private Securities Litigation Reform Act of 1995 and Section 21E of the
Securities Exchange Act of 1934, as amended, regarding future results and
events, including, without limitation, statements about: our ability to
produce cellulosic hydrocarbon fuel on a commercial scale; the scalability of
our technology; the expected output of our production facilities; the timing
and volumes of fuel shipments; and our anticipated future technology
developments and operations. For this purpose, any statements contained herein
that are not statements of historical fact may be deemed forward looking
statements. Without limiting the foregoing, the words "believes,"
"anticipates," "plans," "expects," intends," "appears," "estimates,"
"projects," "would," "could," "should," "targets," and similar expressions are
also intended to identify forward looking statements. The forward looking
statements in this press release involve a number of important risks and
uncertainties, which could cause our actual future results to differ
significantly from the results discussed in the forward looking statements
contained in this press release. Such factors include our ability to raise the
additional capital we need in order to expand our business; the sufficiency of
our cash to meet our liquidity needs; the ability of our Columbus facility to
produce cellulosic hydrocarbon fuel on time, on a continuous and
cost-efficient basis and at expected yields; our ability to continuously
operate our facilities without delay or shutdowns; our ability to successfully
commercialize our cellulosic gasoline, diesel and fuel oil; our ability to
effectively scale our proprietary technology platform and process design; the
cost of constructing, operating and maintaining facilities necessary to
produce our cellulosic gasoline, diesel and fuel oil in commercial volumes;
the ability of our initial-scale commercial production facility, which we are
in the process of bringing to "steady state" operations, to satisfy the
technical, commercial and production requirements under offtake agreements
relating to the sale of cellulosic gasoline, diesel and fuel oil; market
acceptance of our cellulosic gasoline, diesel and fuel oil, and other factors
discussed more fully in the section entitled "Risk Factors" in the Company's
Annual Report on Form 10-K as filed with the United States Securities and
Exchange Commission (SEC) on March 18, 2013, in the Company's Quarterly Report
on Form 10-Q filed with the SEC on August 9, 2013 and in the Company's other
filings with the SEC. The "Risk Factors" discussion in the filings listed
above is incorporated by reference in this press release. If any of these
risks or uncertainties materialize, or if our underlying assumptions prove to
be incorrect, actual results, levels of activity, performance or achievement
may vary significantly from what we have projected. We specifically disclaim
any obligation to update these forward looking statements in the future. These
forward-looking statements should not be relied upon as representing our
estimates or views as of any date subsequent to the date of this press

CONTACT: For investors:
         Dan Richardson, Vice President, Finance
         For media:
         Kate Perez, Director, Corporate Communications
         & Public Relations

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