Change in the shareholding of Ahlstrom Corporation

Ahlstrom Corporation STOCK EXCHANGE RELEASE September 26, 2014 at 17.45

Change in the shareholding of Ahlstrom Corporation

Ahlstrom Corporation has on September 26, 2014 received announcements under
Chapter 9, Section 5 of the Securities Market Act.

Ahlström Capital Oy has sold 4,674,802 shares in Ahlstrom Corporation,
representing a total of 10.02% of the share capital and voting rights, to AC
Invest Six B.V. Ahlström Capital Oy's direct shareholding in Ahlstrom
Corporation has decreased below the 10% (1/10) and 5% (1/20) thresholds.

AC Invest Six B.V. now holds 4,754,479 shares in Ahlstrom Corporation,
representing a total of 10.19% of the share capital and voting rights of
Ahlstrom Corporation. The shareholding of AC Six Invest B.V. in Ahlstrom
Corporation has exceeded the 5% (1/20) and 10% (1/10) thresholds.

AC Invest Six B.V. is a 100% owned subsidiary of Ahlström Capital B.V. and
Ahlström Capital B.V. is a 100% owned subsidiary of Ahlström Capital Oy.

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

For more information, please contact:
Liisa Nyyssönen
VP, 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. We aim to grow with
a product offering for clean and healthy environment. Our materials are used in
everyday applications such as filters, medical fabrics, life science and
diagnostics, wallcoverings and food packaging. In 2013, Ahlstrom's net sales
from the continuing operations amounted to EUR 1 billion. Our 3,500 employees
serve customers in 24 countries. Ahlstrom's share is quoted on the NASDAQ OMX
Helsinki. More information available at www.ahlstrom.com.


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