Ahlstrom's second quarter financial results 2007 to be published on July 25, 2007

Ahlstrom Corporation Stock Exchange Announcement July 20, 2007 at 13.00
Ahlstrom Corporation will publish its second quarter financial results 2007 on Wednesday, July 25, 2007 approximately at 8.30 a.m. Finnish time.
A conference call for analysts and investors regarding the second quarter results will be held on Wednesday, July 25, 2007 at 11.00 Finnish time. To participate in the teleconference, please dial +44 (0) 20 7162 0025 a few minutes before the call. Use the password: Ahlstrom. A replay of the conference is available until August 1, 2007. The number for the replay is + 44 (0) 20 7031 4064, access code: 756617.
The presentation material will be available at www.ahlstrom.com > Investors > IR presentations on July 25, 2007 after the interim report has been published.
Ahlstrom Corporation
Anne Pirilä
Vice President, Corporate Communications and Investor Relations
For further information, please contact:
Anna Ahlberg
Investor Relations Manager
Tel: +358 10 888 4718
Helsinki Stock Exchange
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 6,200 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 Helsinki Stock Exchange. The company website is www.ahlstrom.com.