Repurchase of own shares

Ahlstrom Corporation

STOCK EXCHANGE ANNOUNCEMENT
November 4, 2011

Repurchase of own shares
Date: November 4, 2011
Exchange transaction: Buy
Share class: AHL1V
Amount: 11,299
Average price /share: 12.6536 EUR
Highest price /share: 12.6900 EUR
Lowest price /share: 12.5700 EUR
Total price: 14,2973.03           EUR

The shares held by Ahlstrom Corporation on November 4, 2011
AHL1V 223,304

Ahlstrom Corporation

On behalf of Ahlstrom

Pasi Väisänen

EVLI BANK PLC