STABILIZATION PERIOD OF AHLSTROM CORPORATION'S SHARE HAS ENDED

Ahlstrom Corporation STOCK EXCHANGE RELEASE 18.4.2006 at 8.30
 
STABILIZATION PERIOD OF AHLSTROM CORPORATION'S SHARE HAS ENDED
 
Not for release, publication or distribution, in whole or in part, in or into the United States, Canada, Australia or Japan.
 
SEB Enskilda, the Lead Manager and Bookrunner in the Ahlstrom share offering, has not carried out any stabilization measures with Ahlstrom share. The stabilization period ended on April 13, 2006.
 
Ahlstrom Corporation
 
Jukka Moisio
President & CEO
 
 
Ahlstrom in brief
 
Ahlstrom is a 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, including filters, wipes, flooring, labels, and tapes. The Company has a strong market position in several business areas in which it operates, built upon the Company's unique fiber expertise and innovative approach. Ahlstrom's 5,525 employees serve customers via sales offices and production facilities in 22 countries on six continents. In 2005, Ahlstrom's net sales amounted to EUR 1.55 billion. The company website is www.ahlstrom.com.