Ahlstrom's capital markets day to be held on November 11, 2010

Ahlstrom Corporation STOCK EXCHANGE RELEASE 17.8.2010 at 16:00 Ahlstrom, a global leader in nonwovens and specialty papers, will arrange a capital markets day for analysts and financial institutions on November 11, 2010, starting at 12:00 p.m. in Helsinki. The theme of the day is "path to profitable growth". The event will provide an update on how Ahlstrom is implementing its revised strategy and offer a business review on Asia. Personal invitations and a detailed agenda will be sent out later. Capital markets day materials will be available on http://www.ahlstrom.com/investor at the beginning of the event. For further information, please contact: Seppo Parvi CFO Tel. +358 10 888 4768 Juho Erkheikki Financial Communications Officer Tel. +358 10 888 4731 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 5,800 employees serve customers via sales offices and production facilities in more than 20 countries on six continents. In 2009, Ahlstrom's net sales amounted to EUR 1.6 billion. Ahlstrom's share is quoted on the NASDAQ OMX Helsinki. The company website is at www.ahlstrom.com. [HUG#1438433] This announcement is distributed by Thomson Reuters on behalf of Thomson Reuters clients. The owner of this announcement warrants that: (i) the releases contained herein are protected by copyright and other applicable laws; and (ii) they are solely responsible for the content, accuracy and originality of the information contained therein. All reproduction for further distribution is prohibited. Source: Ahlstrom Oyj via Thomson Reuters ONE