Repurchase of own shares

Ahlstrom Corporation

STOCK EXCHANGE ANNOUNCEMENT
October 6, 2011

Repurchase of own shares
Date: October 6, 2011
Exchange transaction: Buy
Share class: AHL1V
Amount: 1690
Average price /share: 12,0135 EUR
Highest price /share: 12,0200 EUR
Lowest price /share: 12,0000 EUR
Total price: 20 302,82 EUR

The shares held by Ahlstrom Corporation on October 6, 2011
AHL1V 35 100

Ahlstrom Corporation

On behalf of Ahlstrom

Pasi Väisänen

EVLI BANK PLC