LANXESS acquires PTAP product line

Broadening active ingredient range for disinfectants

Online PR News – 11-January-2010 – – Leverkusen – Specialty chemicals group LANXESS has acquired the Nipacide®
PTAP product line from Clariant effective January 1, 2010. The active ingredient
p-tert-amylphenol (PTAP) complements the phenolic active ingredients portfolio of
LANXESS’ Material Protection Products (MPP) business unit. “The acquisition of the
PTAP business strengthens our position as the leading supplier of phenolic active
ingredients to the disinfection market,” says Dr. Torsten Derr, head of the MPP
business unit. The parties have agreed not to disclose financial details of the
LANXESS will market the active ingredient under the tradename Preventol® PTAP.
It can be used alone or in combination with ortho-phenylphenol (Preventol® O extra)
and chlorophen (Preventol® BP), which are also marketed by MPP, in hospital,
household, industrial and veterinary disinfectants.
The Material Protection Products business unit belongs to the Performance
Chemicals segment, which achieved total sales in fiscal 2008 of EUR 1,930 million.

LANXESS is a leading specialty chemicals company with sales of EUR 6.58 billion in 2008 and currently 14,600
employees in 23 countries. The company is represented at 46 production sites worldwide. The core business of
LANXESS is the development, manufacturing and marketing of plastics, rubber, intermediates and specialty
Leverkusen, January 6, 2010
bol (2010-00010e)

Forward-Looking Statements
This news release may contain forward-looking statements based on current assumptions and forecasts made by
LANXESS AG management. Various known and unknown risks, uncertainties and other factors could lead to
material differences between the actual future results, financial situation, development or performance of the
company and the estimates given here. The company assumes no liability whatsoever to update these forward-
looking statements or to conform them to future events or developments.

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