Repurchase of own shares(10)

Ahlstrom Corporation  
STOCK EXCHANGE ANNOUNCEMENT  
  
24 November 2010  
 
  
Date: 24 November 2010 
Exhange transaction: Buy 
  
Share class: AHL1V 
Amount: 4000 
Average price /share: 14.3683 EUR
Highest price /share: 14.3800 EUR
Lowest price /share: 14.3500 EUR
Total price: 57473.20 EUR
  
The shares held by Ahlstrom Corporation on 24 November 2010 
AHL1V 116609 
  
  
AHLSTROM CORPORATION  
  
  
On behalf of Ahlstrom Corporation  
  
  
Teemu Koivisto  
EVLI BANK PLC