Ahlstrom Corporation STOCK EXCHANGE RELEASE December 31, 2013 at 13.45

Ahlstrom, a global high performance fiber-based materials company, has today completed the divestment of its pre-impregnated décor papers and abrasive paper backings businesses to Perusa, a German-based private equity group.

The divestment was made to comply with the commitments made to the European Commission and to the Brazilian competition authority CADE as disclosed in May 2013. The transaction between Ahlstrom and Perusa was announced on October 18, 2013.

For more information, please contact:
Juho Erkheikki
Manager, Financial Communications & Investor Relations
Tel. +358 10 888 4731

Ahlstrom in brief
Ahlstrom is a high performance fiber-based 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, medical gowns and drapes, diagnostics, wallcoverings, flooring and food packaging. We have a leading market position in the businesses in which we operate. In 2012, Ahlstrom's net sales from the continuing operations (excluding Label and Processing business) amounted to EUR 1 billion. Our 3,800 employees serve customers in 24 countries. Ahlstrom's share is quoted on the NASDAQ OMX Helsinki. More information available at www.ahlstrom.com.