Ahlstrom Corporation STOCK EXCHANGE RELEASE 13.12.2007 Ahlstrom to invest in industrial nonwovens production in Italy Ahlstrom, a global leader in high performance fiber-based materials, announced today that it will invest approximately EUR 10 million in new nonwovens capacity at its Turin plant in Italy. The investment consists of a rebuild of the paper machine 4, currently producing release base papers, to manufacture nonwovens for industrial applications. The line utilizing wetlaid technology will be operational by the end of the first quarter of 2009. It is targeted to serve customers within the construction & building industries."This investment strengthens Ahlstrom's position as a leading supplier of nonwovens globally. It is an example of Ahlstrom's ability to optimize capacity utilization by converting machines from one application to another", says Jukka Moisio, President and CEO of Ahlstrom Corporation. For further information, please contact: Jukka Moisio, President & CEO, Ahlstrom Corporation, tel. +358 (0)10 888 4700 Jean-Marie Becker, Vice President and General Manager, Industrial Nonwovens, tel. +33 (0) 476 453 501 Distribution: OMX Nordic Exchange Helsinki Main media www.ahlstrom.com Ahlstrom in brief Ahlstrom is a global leader in the development, manufacture and marketing of high performance fiber-based materials. Nonwovens and specialty papers, made by Ahlstrom, are used in a large variety of everyday products, 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 6,500 employees serve customers via sales offices and production facilities in more than 20 countries on six continents. In 2006, Ahlstrom's net sales amounted to EUR 1.6 billion. Ahlstrom's share is listed on the OMX Nordic Exchange Helsinki. The company website is www.ahlstrom.com.