Repurchase of own shares

Ahlstrom Corporation

STOCK EXCHANGE ANNOUNCEMENT
October 4, 2011

Repurchase of own shares
Date: October 4, 2011
Exchange transaction: Buy
Share class: AHL1V
Amount: 2421
Average price /share: 11,9446 EUR
Highest price /share: 12,0000 EUR
Lowest price /share: 11,8000 EUR
Total price: 28,917.88 EUR

The shares held by Ahlstrom Corporation on October 4, 2011
AHL1V 33,111

Ahlstrom Corporation

On behalf of Ahlstrom

Pasi Väisänen

EVLI BANK PLC