LANSING, Mich. Actual
future results and trends may differ materially from historical results or
those expected depending on a variety of factors listed in Management's
Discussion and Analysis of Financial Condition and Results of Operations in
the Company's most recently filed Form 10-K.

It may also include sites for synthetic polymers where there is no appropriate sub-category in Business:

biopolymer biochem

, Neogen Corporation
(Nasdaq: NEOG) announced that it has acquired all outstanding stock of Centrus
International, Inc . For approximately six years, Foss has
marketed the Soleris technology worldwide as its MicroFoss (TM) system,
primarily to the meat and dairy industries.

About Eastman Chemical: Eastman manufactures and markets chemicals, fibers
and plastics worldwide.
For more information about Eastman and its products, visit
http://www. These forward-
looking statements are subject to certain risks and uncertainties.

nucleosides pegs

This second source of
acetyls for Eastman will allow us to reliably meet the long-term,
growing needs of our global acetic anhydride customers, particularly
within the Asia Pacific region.0 million tpy methanol
plant and is constructing a 75,000 tpy butanediol plant, scheduled for
start-up in December 2005.com

The company's Food Safety
Division markets dehydrated culture media, and diagnostic test kits to detect
foodborne bacteria, natural toxins, genetic modifications, food allergens,
unique proteins, drug residues, plant diseases and sanitation concerns. It provides key differentiated coatings, adhesives
and specialty plastics products; is the world's largest producer of PET
polymers for packaging; and is a major supplier of cellulose acetate fibers.

itaconic lignin

The automated Soleris
system has broad appeal for companies primarily interested in a general
microbiological test. Neogen plans to continue the strong
partnership developed between Centrus and Foss that has led to the widespread
acceptance of the Soleris technology.
Neogen 's Animal Safety Division markets a complete line of diagnostics,
veterinary instruments, veterinary pharmaceuticals, nutritional supplements,
disinfectants, and rodenticides.

itaconic nucleosides

Eastman is leveraging its heritage of innovation and strength
in polyester, acetyl and organic chemistry technologies to drive
growth and meet increasing demand in four select markets: building and
construction, packaging , health, and electronics.

biopolymers oligonucleotides

Combined with the natural gas feedstock from Saudi
Aramco and methanol from Sipchem's affiliate International Methanol
Company located at the same site, we have planned a world-class
complex in terms of technology, partners and value-creating
potential.
Centrus recorded sales of Soleris products of approximately $2.
Neogen's domestic and international sales groups will target markets, and
regions of the world, not covered in the Foss agreement. Sensitivity of the automated system enables detection in
a fraction of the time needed for traditional methods with less labor and
sample handling time.

jinan biochem

Eastman's acetyl co-production technology will allow for
production of acetic acid and acetic anhydride at a cumulative
capacity of 460,000 tons per year. Consideration for the stock purchase is
$3.g.

gelatin compostable

It provides key differentiated coatings, adhesives and
specialty plastics products; is the world's largest producer of PET
polymers for packaging; and is a major supplier of cellulose acetate
fibers.

This category is for manufacturers' sites where the specialty is polymers that have biological significance.

This includes proteins, oligosaccharides and oligonucleotides which may be extracted from living things, produced in cell culture, or by cell -free technology.

lignin biodegradable

----Saudi International Petrochemical Company (Sipchem) and
Eastman Chemical Company (NYSE: EMN) today jointly announced they have
signed the definitive agreements for Eastman to license its
proprietary acetyl co-production technology to Sipchem."
Sipchem is a Saudi joint stock company founded in 1999 with
current paid in capital of US$173 million with participation from
leading corporate organizations and investors in the Gulf Cooperation
Council region., producers of dietary
supplements such as energy drinks and energy bars).
Founded in 1920 and headquartered in Kingsport , Tenn.

biochem lignin

The focus of the automated Soleris system is
bacteria associated with poor food quality and spoilage. The optical assay measures microbial growth by monitoring pH
and other biochemical reactions that generate a color change as microorganisms
grow and metabolize. The Soleris system includes a wide array of tests for
the food safety industry, including: total viable count, coliforms, E.

eastman.

biochemical biopolymer

In addition to the technology
license, Eastman will provide technical support and market all acetic
anhydride produced from the facility. Founded in 1920 and
headquartered in Kingsport, Tenn.

proteins biopolymer

6 billion and approximately 12,000 employees.

rodenburg lignin

coli,
yeast and molds, lactic acid bacteria, and enterobacteriaceae.

lignin oligonucleotides

For more information about Eastman and its products, visit
www .8 million in
its fiscal year ended Dec.3 million in cash paid at closing. Soleris provides
Neogen a strong entry to this important market with breakthrough technology.com .

Certain portions of this news release that do not relate to historical
financial information constitute forward-looking statements.

biopolymers oligosaccharides

Ron Lindsay, vice president and general manager of Eastman's
performance chemicals and intermediates business, said, "This
agreement leverages the proprietary technology and know-how of Eastman
and combines those with Sipchem's strengths within Saudi Arabia to
provide a win-win opportunity for both parties. Sipchem currently operates a 1.

Neogen Acquires Centrus International

"The main focus of Neogen's rapid microbial testing
products has been on dangerous foodborne pathogens , such as E. The worldwide market for the general microbiology testing
that Soleris targets is estimated to be approximately $200 million per year.
The Soleris system is a rapid optical system for the detection of
microbial contamination based on an innovative application of classic
microbiology .

gelatin oligonucleotides

31, 2005."
Most of the existing Soleris customers are existing Neogen customers, or
strong prospects for Neogen products.

biopolymer peptides

huaming gelatin

gelatin huaming

The licensing
agreement is part of Sipchem's plan to establish a world -scale acetyls
complex in the Kingdom of Saudi Arabia through expansion of its
petrochemical complex in Al-Jubail Industrial City.
"The Soleris technology represents an excellent synergistic fit to our
existing business, since Neogen did not have a product line to effectively
compete in the general microbial rapid test market," said James Herbert,
Neogen's president.

extracted dmt

The sales and marketing of the Soleris system will be shared worldwide by
Neogen's Food Safety Division, and a proven distributor of Centrus products,
Denmark-based Foss Analytical.

polypeptides proteins

According to Ahmed Al-Ohali , president of Sipchem, "The acetyl
complex represents our planned Phase 2 projects to provide additional
growth opportunities for Sipchem and continuing success on our journey
to produce value-added products and superior returns for our
shareholders." Sipchem had previously announced acquiring licensing
rights from DuPont for vinyl acetate monomer (VAM). Centrus
produces Soleris(TM), a user-friendly , rapid optical testing system that
accurately detects microbial contamination., and its other operations will be integrated into those facilities. Of the 36 market segments served by
Neogen's Food Safety Division, 29 have been identified as potential users of
the Soleris system. Going forward, Foss will retain
its distribution rights to the meat and dairy industries in many countries., Eastman is a FORTUNE
500 company with 2005 sales of $7 billion and approximately 12,000 employees.

biopolymers itaconic

The acetyl complex
is expected to start-up in 2008.
Eastman manufactures and markets chemicals, fibers and plastics
worldwide.eastman.

biochem biodegradable

Sipchem and Eastman Sign Definitive Agreements for Acetyls Technology

, Eastman is a FORTUNE 500 company
with 2004 sales of US$6., from Eastman Chemical Company (NYSE: EMN).
Centrus will continue to operate in its current facilities in Ann Arbor,
Mich.
In addition to Neogen's existing food safety market, the Soleris system is
also used by the nutraceutical industries (e.

polypeptides pegs

Terms of the agreements were not
disclosed. coli,
Salmonella, and Listeria.

About Neogen: Neogen Corporation develops and markets products and
services dedicated to food and animal safety.

compostable proteins

Business Editors

AL-KHOBAR, Saudi Arabia + KINGSPORT, Tenn.