Ahlstrom - Company Announcement

Ahlstrom's financial information in 2012

Ahlstrom Corporation STOCK EXCHANGE RELEASE 29.9.2011 at 09.10

Ahlstrom Corporation will publish its financial information in 2012 as
follows:

Report                                        Publication date
Financial statements bulletin 2011       Wednesday, February 1
Interim report January - March             Friday, April 27
Interim report January - June               Thursday, August 9
Interim report January - September     Monday, October 22
Silent period
Ahlstrom observes a silent period from the end of the each reporting period
until the publication of the financial statements bulletin or the interim
report. During the silent period, Ahlstrom will not be in contact with capital
market representatives.

The annual report for 2011 will be available in a PDF format on Ahlstrom's web
site on the week starting March 5, 2012.

Ahlstrom's Annual General Meeting will be held on Wednesday, April 4, 2012 at 1
p.m. at the Finlandia Hall (Mannerheimintie 13 e, Helsinki).

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, wipes,
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 atwww.ahlstrom.com.


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