Ahlstrom's annual summary of stock exchange releases and announcements in 2011

Ahlstrom Corporation STOCK EXCHANGE RELEASE January 5, 2012 at 11.00

Summary of the stock exchange releases and announcements issued by Ahlstrom Corporation in 2011 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Some of the information in the releases may be out of date.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 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, wallcovers, flooring, labels and food packaging. We have a leading market position in the businesses in which we operate. Our 5,700 employees serve customers in 26 countries on six continents. In 2010, Ahlstrom's net sales amounted to EUR 1.9 billion. The company's share is quoted on the NASDAQ OMX Helsinki. More information available at www.ahlstrom.com