Ahlstrom - Major shareholder announcements

Ahlstrom's announcement under the Securities Markets Act (chapter 2, section 10) regarding a change in shareholding

Ahlstrom Corporation STOCK EXCHANGE RELEASE June 27, 2013 at 17.50

Pursuant to Chapter 2, Section 9 of the Securities Market Act, Ahlstrom
Corporation has received an announcement from Ahlström Capital Oy, dated June
27, 2013, regarding a change in the shareholding of the said shareholder.

According to the announcement, Ahlström Capital Oy has on June 27, 2013 signed a
demerger plan relating to Antti Ahlström Perilliset Oy. On the expected
registration date of the demerger, December 30, 2013, the 4,674,802 shares in
Ahlstrom Corporation owned by Antti Ahlström Perilliset Oy, representing a total
of 10.02% of the share capital and voting rights in Ahlstrom Corporation, will
be transferred to Ahlström Capital Oy. According to the announcement, the
shareholding of Ahlström Capital Oy in Ahlstrom Corporation will on the date of
the demerger exceed 5% (1/20) and 10% (1/10).

Ahlstrom Corporation's share capital consists of 46,670,608 shares, each
entitling to one vote.



For more information, please contact:
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.


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