Repurchase of own shares(22)

Ahlstrom Corporation

STOCK EXCHANGE ANNOUNCEMENT

October 3, 2011

Repurchase of own shares
Date: October 3, 2011
Exchange transaction: Buy
Share class: AHL1V
Amount: 2402
Average price /share: 12.0335 EUR
Highest price /share: 12.1100 EUR
Lowest price /share: 12.0000 EUR
Total price: 28.904,47 EUR

The shares held by Ahlstrom Corporation on October 3, 2011
AHL1V 30,690

Ahlstrom Corporation

On behalf of Ahlstrom

Pasi Väisänen

EVLI BANK PLC