----INVISTA B. The Company will host a conference call for investors at 10
a., Sicor Pharmaceuticals, Inc.
Astellas US LLC and Astellas Pharma US , Inc. ranks among the top 20
pharmaceutical companies in the world.

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Business Editors

WICHITA , Kan. More information on INVISTA can be found at
www., Teva Pharmaceuticals USA, Inc. are US subsidiaries of Tokyo-
based Astellas Pharma Inc.PA; Bloomberg: EF FP).

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V.V.
Interested holders, beneficial owners, prospective investors, and
securities analysts who desire to attend the conference call and have
not provided contact information to INVISTA in the past should provide
INVISTA with contact information no later than 5 p.com

INVISTA is a privately-held integrated polymers, intermediates ,
and fibers business with a global presence in more than 30 countries.
and Teva Pharmaceutical Industries, Ltd.

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holder, beneficial owner, prospective
investor or analyst) to:

Gwen Sauer
316-828-1242
gwen. Astellas is the exclusive licensee of
certain rights under Item's US patent No.

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Essilor: Acquisition of Midland Optical

Midland Optical Joins Essilor US Network

CHARENTON-LE-PONT, France, Essilor
of America, Essilor's US subsidiary, has acquired a majority interest in
Midland Optical, a prescription laboratory headquartered in St.5 million in sales and employs 150 people.

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astellas.

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INVISTA B., formerly KoSa B.m.

singaveitur kort

V., 9 1/4% senior
notes due 2012 of KoSa Canada Company, and 9 1/4% senior notes due
2012 of Arteva Global Holdings B.

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INVISTA
delivers exceptional value for its customers through market insights
and technology innovations , along with a powerful portfolio of the
most recognized global brands and trademarks in the fibers , apparel,
and interiors industries, including: LYCRA(R), STAINMASTER(R),
ANTRON(R), COOLMAX(R ), THERMOLITE(R), CORDURA(R), SUPPLEX(R),
TACTEL(R), Polarguard(R), ESP(R), and Avora(R)FR, and in the specialty
chemicals business: CORFREE(R), DYTEK(R), ADI-Pure(R), Terate(R)
Polyols, and TERATHANE (R).com/us . It caters to
independent eye care professionals located primarily in Missouri and Illinois .

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com

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, a
global and integrated fibers and intermediates company, will release
on March 31, 2005, financial results for the year ended of December
31, 2004. EDT on April 5.

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("Astellas" ) along with ITEM Development AB ("Item") announced
today that they have filed a patent infringement lawsuit in the United States
against Sicor Inc. For more information on Astellas,
please go to http://www.
Midland Optical will retain its current executive team.

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m.g.com

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, will make its fiscal year 2004
annual report available to holders and beneficial owners of units
(consisting of 9 1/4% senior notes due 2012 of KoSa Lux Finance B.

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INVISTA B.V. to Release 2004 Results to Investors; Conference Call Scheduled for Investors on Thursday April 7 at 10 a.m. EDT

V.V.
To receive the financial release and the conference call details,
please provide your name, organization, telephone number, e-mail
address and category (e. 5,731,296 ("'296 Patent") and has
marketed Adenoscan(R ) in the US since 1995.
An authorized distributor of Varilux(R) brand products, Midland Optical
generates US$16.

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, Astellas US LLC and Astellas
Pharma US, Inc.

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Astellas and Item File Lawsuit Against Adenoscan(R) Generic For Patent Infringement in the USA

essilor.

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EDT on Thursday, April 7 , 2005. The call will be led by INVISTA's
chief financial officer, Kelly Bulloch, and treasurer, Jay Voncannon.sauer@invista.

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DEERFIELD, Ill. The patent infringement action
was filed in the US District Court in Delaware on May 26, 2005, requesting,
among other things, an order prohibiting approval of Sicor's ANDA prior to the
expiration date of the '296 Patent. Louis,
Missouri.

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,
9 1/4% senior notes due 2012 of KoSa UK Finance B.invista. The Essilor share
trades on the Euronext Paris market and is included in the CAC 40 index
(ISIN: FR 0000121667; Reuters: ESSI.

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(collectively, "Sicor") regarding
submission of an abbreviated new drug application ("ANDA") for a generic
version of Adenoscan(R) (adenosine injection), a pharmacologic stress agent
indicated as an adjunct to thallium -201 myocardial perfusion scintigraphy in
patients unable to exercise adequately. Astellas Pharma Inc.

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) as well as to prospective
investors and securities analysts who contact INVISTA to request
copies and provide the information described below.
Essilor International is the world leader in ophthalmic optical products,
offering a wide range of lenses under the flagship Varilux(R), Crizal (R),
Airwear(R) and Essilor(R) brands to correct myopia, hyperopia, presbyopia and
astigmatism .

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The information in the released financial results and the
conference call will be NON-PUBLIC and shall not be communicated or
forwarded to any person other than interested holders and beneficial
owners of such units and such prospective investors and securities
analysts approved by INVISTA .
It is comprised of two global businesses, one of which focuses on
intermediates, polymer and resins, and the other on fibers, including
apparel, performance fibers, interiors and textile fibers ., a research-based pharmaceutical company dedicated
to improving the health of people around the world through innovative
pharmaceutical products.
As a result of this acquisition, Essilor will further strengthen its line
of value-added products in the north-central region of the United States. Essilor operates worldwide through 18 production sites, 183 lens
finishing laboratories and local distribution networks.
http://www.