Repurchase of own shares(2)

Ahlstrom Corporation  
STOCK EXCHANGE ANNOUNCEMENT  
10 December 2010  
  
 
  
Date: 10 December 2010 
Exchange transaction: Buy 
  
Share class: AHL1V 
Amount: 450 
Average price /share: 14.7200 EUR
Highest price /share: 14.7200 EUR
Lowest price /share: 14.7200 EUR
Total price: 6624.00 EUR
  
The shares held by Ahlstrom Corporation on 10 December 2010 
AHL1V 148908 
  
  
AHLSTROM CORPORATION  
  
  
On behalf of Ahlstrom Corporation  
  
  
Teemu Koivisto  
EVLI BANK PLC