Repurchase of own shares

Ahlstrom Corporation

STOCK EXCHANGE ANNOUNCEMENT
October 25, 2011

Repurchase of own shares
Date: October 25, 2011
Exchange transaction: Buy
Share class: AHL1V
Amount: 7000
Average price /share: 12.2206 EUR
Highest price /share: 12.4000 EUR
Lowest price /share: 11.9900 EUR
Total price: 85,544.20 EUR

The shares held by Ahlstrom Corporation on October 25, 2011
AHL1V 64 026

Ahlstrom Corporation

On behalf of Ahlstrom

Pasi Väisänen

EVLI BANK PLC