Payout of the share-based long term incentive plan 2008-2010

Ahlstrom Corporation STOCK EXCHANGE RELEASE 1.2.2011 at 17.25

Ahlstrom's Board of Directors has confirmed the payout for 2009 and 2010 in the share-based long term incentive plan for 2008-2010.

Based on the authorization of the Annual General Meeting of the Shareholders on March 31, 2010, Ahlstrom's Board of Directors has decided to transfer 124,995 of the company shares held by the company without consideration to the 13 recipients of the payout. In addition, the company will pay a cash portion to the recipients equaling the total amount of taxes payable for the total award. The handover date of the shares is March 15, 2011.

After the share transfer the company holds 25,005 of its own shares.

For further information, please contact:
Seppo Parvi
CFO
Tel. +358 10 888 4768

Gustav Adlercreutz
Vice President, Legal Affairs
Tel. +358 10 888 4727

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

Ahlstrom in brief
Ahlstrom is a global leader in the development, manufacture and marketing of high performance nonwovens and specialty papers. Ahlstrom's products are used in a large variety of everyday applications, such as filters, wipes, flooring, labels, and tapes. Based upon its unique fiber expertise and innovative approach, the company has a strong market position in several business areas in which it operates. Ahlstrom's 5,700 employees serve customers via sales offices and production facilities in more than 20 countries on six continents. In 2010, Ahlstrom's net sales amounted to EUR 1.9 billion. Ahlstrom's share is quoted on the NASDAQ OMX Helsinki. The company website is at www.ahlstrom.com.