Repurchase of own shares

 Ahlstrom Corporation  
STOCK EXCHANGE ANNOUNCEMENT  
17 November 2010  
    
  
Date: 17 November 2010 
Exchange transaction: Buy 
  
Share class: AHL1V 
Amount: 3000 
Average price /share: 14.2567 EUR
Highest price /share: 14.2600 EUR
Lowest price /share: 14.2500 EUR
Total price: 42770.10 EUR
  
The shares held by Ahlstrom Corporation on 17 November 2010 
AHL1V 105000 
  
  
AHLSTROM CORPORATION  
  
  
On behalf of Ahlstrom Corporation  
   
Teemu Koivisto  
EVLI BANK PLC