Repurchase of own shares

Ahlstrom Corporation  
STOCK EXCHANGE ANNOUNCEMENT  
  
08 November 2010   
  
Date: 08 November 2010 
Exchange transaction: Buy 
  
Share class: AHL1V 
Amount: 2600 
Average price /share: 14.7689 EUR
Highest price /share: 14.9500 EUR
Lowest price /share: 14.5400 EUR
Total price: 38399.14 EUR
  
The shares held by Ahlstrom Corporation on 08 November 2010 
AHL1V 83600 
  
  
AHLSTROM CORPORATION  
  
  
On behalf of Ahlstrom Corporation  
  
  
Teemu Koivisto  
EVLI BANK PLC