Repurchase of own shares

Ahlstrom Corporation

STOCK EXCHANGE ANNOUNCEMENT
October 28, 2011

Repurchase of own shares
Date: October 28, 2011
Exchange transaction: Buy
Share class: AHL1V
Amount: 20,414
Average price /share: 12.6198 EUR
Highest price /share: 12.6500 EUR
Lowest price /share: 12.6000 EUR
Total price: 257,620.60 EUR

The shares held by Ahlstrom Corporation on October 28, 2011
AHL1V 184,005

Ahlstrom Corporation

On behalf of Ahlstrom

Pasi Väisänen

EVLI BANK PLC