Ahlstrom's annual summary of stock exchange releases in 2012

Ahlstrom Corporation STOCK EXCHANGE RELEASE February 11, 2013 at 11.00 Summary of the stock exchange releases issued by Ahlstrom Corporation in 2012 has been published on the company's website www.ahlstrom.com. Some of the information in the releases may be out of date. For more information, please contact: Liisa Nyyssönen Vice President, Communications Tel. +358 10 888 4757 Ahlstrom in brief Ahlstrom is a high performance fiber-based materials company, partnering with leading businesses around the world to help them stay ahead. Our products are used in a large variety of everyday applications, such as filters, medical gowns and drapes, diagnostics, wallcoverings, flooring and food packaging. We have a leading market position in the businesses in which we operate. In 2012, Ahlstrom's net sales from the continuing operations (excluding Label and Processing business) amounted to EUR 1 billion. Our 3,800 employees serve customers in 28 countries on six continents. Ahlstrom's share is quoted on the NASDAQ OMX Helsinki. More information available at www.ahlstrom.com. 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. Source: Ahlstrom Oyj via Thomson Reuters ONE [HUG#1676961]