Repurchase of own shares(15)

Ahlstrom Corporation

STOCK EXCHANGE ANNOUNCEMENT
October 19, 2011

Repurchase of own shares
Date: October 19, 2011
Exchange transaction: Buy
Share class: AHL1V
Amount: 2940
Average price /share: 11.7706 EUR
Highest price /share: 11.9100 EUR
Lowest price /share: 11.6500 EUR
Total price: 34,605.56 EUR

The shares held by Ahlstrom Corporation on October 19, 2011
AHL1V 50,445

Ahlstrom Corporation

On behalf of Ahlstrom

Pasi Väisänen

EVLI BANK PLC