Ahlstrom Corporation STOCK EXCHANGE RELEASE January 21, 2014 at 9.45 Laura Raitio, Executive Vice President, Building and Energy business area, has resigned from Ahlstrom Corporation at her own request. Laura Raitio joined Ahlstrom in 1990 and has been a member of the Executive Management Team since 2006. She will continue to work at Ahlstrom until her departure at the end of July 2014. Ms. Raitio's successor will be nominated in due course. 'It has been extremely inspiring and exciting to be part of Ahlstrom's development during the past 23 years that I have worked with the company. The company has transformed into a leading player in high-performance materials, now focusing on a product offering for a clean and healthy environment," said Laura Raitio. "I want to express our warmest thanks to Laura for her significant contribution during her long-time career at Ahlstrom. It has been a pleasure working with Laura, and I wish her all the best in her future challenges," said Jan Lång, President & CEO. 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 24 countries. Ahlstrom's share is quoted on the NASDAQ OMX Helsinki. More information available at www.ahlstrom.com. [HUG#1755958]