Ahlstrom to publish January-September 2012 interim report on October 22, 2012

Ahlstrom Corporation STOCK EXCHANGE RELEASE October 9, 2012 at 13.00

Ahlstrom will publish its January-September 2012 interim report on Monday, October 22, 2012, approximately at 12.00 noon Finnish time (CET +1).

Ahlstrom's President & CEO Jan Lång and CFO Seppo Parvi will present the report in Finnish at an analyst and press conference in Helsinki on Monday, October 22 at 1.30 p.m. Finnish time. The conference will take place at event arena Bank, Unioninkatu 20. The name of the meeting room will be displayed on the board in the lobby.

In addition, CEO Lång and CFO Parvi will hold a conference call in English on the same day at 3.00 p.m. Finnish time. To participate in the teleconference, please dial +358 (0)9 6937 9543 in Finland or +44 (0)20 3140 8286 outside Finland a few minutes before the conference begins. The confirmation code is 3104023.

The event can also be viewed as a live audio cast at www.ahlstrom.com. Registration is required. It is possible to participate in the Q & A session via online.

An on-demand audio webcast of the conference will be available on Ahlstrom's website for twelve months after the call.

The presentation material will be available at www.ahlstrom.com > Investors > Reports and presentations > 2012 after the January-September 2012 interim report has been published.

For more information, please contact:Juho Erkheikki
Manager, Financial Communications & Investor Relations
Tel. +358 10 888 4731

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, medical gowns and drapes, wallcoverings, flooring, labels and food packaging. We have a leading market position in the businesses in which we operate. Our 5,200 employees serve customers in 28 countries on six continents. In 2011, Ahlstrom's net sales amounted to EUR 1.6 billion. The company's share is quoted on the NASDAQ OMX Helsinki. More information is available at www.ahlstrom.com.