Zoltek Receives Supplier of the Year Award From Industry Leader Vestas Wind Systems A/S

Zoltek Receives Supplier of the Year Award From Industry Leader Vestas Wind
Systems A/S

ST. LOUIS, March 9, 2010 (GLOBE NEWSWIRE) -- Zoltek Companies, Inc.
(Nasdaq:ZOLT) today announced that it has been named 2009 "Supplier of the
Year" by Vestas Blades A/S, the blade manufacturing division of Vestas Wind
Systems A/S, of Denmark, the world's largest producer of advanced wind
turbines and the rotor blades that power them.

Accepting the award at the Vestas annual supplier conference, Zsolt Rumy,
Zoltek Chairman and Chief Executive Officer, said - "Vestas is the leading
company in the wind turbine business, creating a new generation of more
powerful and efficient wind turbines with blades utilizing carbon fibers for
the main structural components. In doing so, Vestas has become the largest
user of carbon fibers in the world and we are proud to be their primary
supplier and of the role that we have played in supporting this development."

While the properties of carbon fiber as a key enabling material "have been
well known for many years in the aerospace industry," Rumy pointed out that it
is only within the last decade that other industries have embraced carbon
fibers, owing mostly to concerns that the material could not be produced in
adequate quantities or at a known and affordable cost to support large
applications outside of aerospace.Overcoming those concerns – through the
commercialization of carbon fibers as an everyday building material – has been
Zoltek's stated mission for more than a decade.

"Vestas trusted us on our ability to deliver on our promises at an early stage
of Zoltek's development when the concept of carbon fibers as a low-cost,
high-performance building material was still unproven," Rumy said. "We are
grateful for that, and for the chance to share in the huge success that Vestas
has enjoyed as the leader in global wind energy. Vestas is now our biggest
single customer.We are committed to participate in and support Vestas' Triple
15 strategic plan by continued expansion of our capacity to keep up with their
demand, by the implementation of a new just-in-time inventory system to reduce
their carrying costs, by continued quality improvements and by continued
productivity improvements. We look forward to the continuation of what we
regard as a great partnership."

This press release contains certain statements that constitute
"forward-looking statements" within the meaning of Section27A of the
Securities Act of 1933, as amended, and Section21E of the Securities Exchange
Act of 1934, as amended. The words "expect," "believe," "goal,"
"plan,""intend," "estimate," and similar expressions and variations thereof
are intended to specifically identify forward-looking statements. Those
statements include statements regarding the intent, belief or current
expectations of us, our directors and officers with respect to, among other
things: (1)our financial prospects; (2)our growth strategy and operating
strategy, including our focus on facilitating acceleration of the introduction
and development of mass market applications for carbon fibers; (3)our current
and expected future revenue; and (4)our ability to complete financing
arrangements that are adequate to fund current operations and our long-term

This press release also contains statements that are based on the current
expectations of our company. You are cautioned that any such forward-looking
statements are not guarantees of future performance and involve risks and
uncertainties, and that actual results may differ materially from those
projected in the forward-looking statements as a result of various factors.
The factors that might cause such differences include, among others, our
ability to: (1) successfully adapt to recessionary conditions in the global
economy and the slowdown in order rates from our wind energy customers; (2)
penetrate existing, identified and emerging markets, including entering into
new supply agreements with large volume customers; (3) continue to improve
efficiency at our manufacturing facilities on a timely and cost-effective
basis to meet current order levels of carbon fibers; (4) successfully add new
planned capacity for the production of carbon fiber and precursor raw
materials and meet our obligations under long-term supply agreements; (5)
maintain profitable operations; (6) increase or maintain our borrowing at
acceptable costs; (7) manage changes in customers' forecasted requirements for
our products; (8) continue investing in application and market development for
a range of applications; (9) manufacture low-cost carbon fibers and profitably
market them despite fluctuations in raw material and energy costs; (10)
successfully operate our Mexican facility to produce acrylic fiber precursor
and carbon fibers; (11) resolve the pending non-public, fact-finding
investigation being conducted by the Securities and Exchange Commission; (12)
successfully continue operations at our Hungarian facility if natural gas
supply disruptions occur; (13) successfully prosecute patent litigation (14)
successfully implement and coordinate our alliance with Global Blade
Technology; and (15) manage the risks identified under "Risk Factors" in our
filings with the SEC.Because forward-looking statements are inherently
subject to risks and uncertainties, some of which cannot be predicted or
quantified, you should not rely upon forward-looking statements as predictions
of future events. The events and circumstances reflected in the
forward-looking statements may not be achieved or occur and actual results
could differ materially from those projected in the forward-looking

CONTACT:  Zoltek Companies, Inc.
          Zsolt Rumy, Chairman and CEO
          (314) 291-5110
          3101 McKelvey Road
          St. Louis, MO 63044
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