Ahlstrom Corporation STOCK EXCHANGE RELEASE July 29, 2013 at 14.45

Ahlstrom will publish its January-June 2013 interim report on Wednesday, August 7, 2013, approximately at 9.00 a.m. 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 Wednesday, August 7 at 10.00 a.m. Finnish time. The conference will take place at Ahlstrom's head office, Alvar Aallon katu 3 C. (Parking: Q-Park Finlandia, Karamzininranta 2.)

In addition, CEO Lång and CFO Parvi will hold a conference call in English on the same day at 2.30 p.m. Finnish time. To participate in the teleconference, please dial +358 (0)9 2310 1620 in Finland or +44 (0)20 3427 1907 outside Finland a few minutes before the conference begins. The confirmation code is 5023517.

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 cast 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 > 2013 after the 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 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.