Ahlstrom - Company Announcement

Ahlstrom completes divestment of Wuxi plant to Andrew Industries

Ahlstrom Corporation STOCK EXCHANGE RELEASE 31.3.2011 at 12.50

Ahlstrom Corporation, a global high performance materials company, has today
completed the divestment of the Wuxi plant in China to Andrew Industries.

Ahlstrom announced the sale of the Wuxi plant and three production lines at its
site in Bethune, SC, USA, to Andrew Industries in December. The divestment of
the production lines in Bethune was completed in December. All the sold assets
produce dust filtration materials.



For further information, please contact:
Liisa Nyyssönen
Vice President, Communications
+358 10 888 4757


Distribution:
NASDAQ OMX Helsinki
Main media
www.ahlstrom.com



Ahlstrom in brief
Ahlstrom is a high performance materials company, partnering with leading
businesses around the world to help them stay ahead. Our products are used in a
large variety of everyday applications, such as filters, wallcovers, wipes,
flooring, labels and food packaging. We have a leading market position in the
businesses in which we operate. Our 5,700 employees serve customers in 26
countries on six continents. In 2010, Ahlstrom's net sales amounted to EUR 1.9
billion. The company's share is quoted on the NASDAQ OMX Helsinki. More
information available atwww.ahlstrom.com.




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