Chromatin Signs Multi-Year Agreement with Aemetis to Supply Locally-Grown Sorghum for Ethanol Production

  Chromatin Signs Multi-Year Agreement with Aemetis to Supply Locally-Grown
  Sorghum for Ethanol Production

Business Wire

CHICAGO -- February 20, 2013

Chromatin, Inc., a leading provider of innovative crop breeding technology,
sorghum seed products and feedstocks, and Aemetis, Inc. (OTCPK: AMTX), an
advanced fuels and renewable chemicals company announced today that they have
entered into a multi-year agreement to source locally-grown grain sorghum.
Under the agreement, Chromatin will engage local growers to plant its hybrid
grain sorghum on up to 30,000 acres, and Aemetis will use that sorghum in its
Keyes, CA, facility to produce Advanced Biofuels.

“This agreement with Aemetis is an important step in Chromatin’s commitment to
market high quality sorghum hybrids for the production of Advanced Biofuels
feedstocks,” Chromatin Chief Executive Officer Daphne Preuss said. “We are
pleased to partner with Aemetis, who has already demonstrated that using
sorghum can provide considerable advantages for ethanol production.”

“As Aemetis is currently transitioning from traditional to advanced feedstocks
at our Keyes plant, this partnership with Chromatin represents a key step in
our ability to source locally grown grain sorghum for the production of
advanced biofuels,” said Eric McAfee, Chairman and CEO of Aemetis. “By working
with Chromatin and California farmers to source local grain sorghum, Aemetis
will lower its carbon intensity in the production process, and further the
goals of California’s Low Carbon Fuel Standard (LCFS) as well as the federal
Renewable Fuel Standard (RFS),” added McAfee.

Aemetis previously reported that it is seeking EPA approval to use grain
sorghum to produce Advanced Biofuels, generally defined by the EPA as fuels
that contain less than 50% of the carbon intensity of gasoline through the use
of advanced feedstock, bio-methane, and combined heat and power. To increase
the availability of sorghum in the local California market, Chromatin is
providing growers with hybrid sorghum seed that can be used as an effective
double crop alternative behind wheat or in rotation with cotton and vegetable
crops. Growers have praised sorghum as an easy substitute for corn because it
is easy to grow, uses less fertilizer and water and is tolerant to both heat
and drought conditions. In addition, the residue from the harvest of sorghum
grain can be used to produce biogas or as high quality animal feed.

By using locally grown sorghum, Aemetis is expecting to further reduce its
carbon footprint and enhance the stability of its supply chains.
California-grown sorghum has proven to be cost competitive and energy

About Aemetis, Inc.

Aemetis, Inc. is an advanced fuels and renewable chemicals company
headquartered in Cupertino, California. Aemetis owns and operates a 55 million
gallon renewable fuels plant in California; and owns and operates a 50 million
gallon renewable chemicals and advanced fuels production facility on the east
coast of India. Aemetis is the first global licensee of the Chevron Lummus
Global Biofuels ISOCONVERSION Process to produce 100% replacement jet and
diesel fuel from plant and algal oil feedstock. Aemetis operates a research
and development laboratory at the Maryland Biotech Center, and holds five
granted patents and four licensed patents on its Z-microbe and related
technology for the production of renewable fuels and chemicals. For additional
information about Aemetis, please

About Chromatin, Inc.

Chromatin Inc. develops sorghum for both traditional agriculture and
applications in renewable energy. It provides high quality sorghum seeds to
growers and producers who are attracted to the crop’s rapid maturation,
tolerance to heat, cold and drought and high yields. Chromatin has optimized
its product portfolio to create sorghum feedstocks that serve as ideal
renewable resources for emerging bio-based industries such as liquid
transportation fuels, chemicals, materials and biopower. Today, Chromatin’s
products are sold in the U.S. and in more than 20 countries, where its sorghum
seeds are planted on over 4 million acres. For additional information, please


Chromatin, Inc.
John Fulcher, 312-292-5417
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