Stock Exchange Announcement November 16, 2011 Date: 16 November 2011 Exchange transaction: Buy Share class: AHL1V Amount: 2,097 Average price /share: 12.5000 EUR Highest price /share: 12.5000 EUR Lowest price /share: 12.5000 EUR Total price: 26,212.50 EUR The shares held by Ahlstrom Corporation on 16 November 2011 AHL1V 247,352 AHLSTROM CORPORATION On behalf of Ahlstrom Corporation Pasi Väisänen EVLI BANK PLC [HUG#1549686]