Ahlstrom - Company Announcement

Ahlstrom to publish January-March 2013 interim report on April 25, 2013

Ahlstrom Corporation STOCK EXCHANGE RELEASE April 11, 2013 at 13.00

Ahlstrom will publish its January-March 2013 interim report on Thursday, April
25, 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 Thursday, April 25
at 10.00 a.m. Finnish time. The conference will take place at event arena Bank,
Unioninkatu 20.

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 1621 in Finland or +44 (0)20 3364 5381 outside
Finland a few minutes before the conference begins. The confirmation code is
7529840.

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.


[HUG#1692305]