Ahlstrom - Changes in company's own shares

REPURCHASE OF OWN SHARES

Ahlstrom                                                  
STOCK EXCHANGE ANNOUNCEMENT                               
19 October 2011                                           
REPURCHASE OF OWN SHARES                                  
Date:                                 19 October 2011     
Exchange transaction:                 Buy                 
Share class:                          AHL1V               
Amount:                                          2940     
Average price /share:                         11,7706  EUR
Highest price /share:                         11,9100  EUR
Lowest price /share:                          11,6500  EUR
Total price:                                 34605,56  EUR
The shares held by (COMPANY NAME) on  19 October 2011     
AHL1V                                           50445     
Ahlstrom                                                  
On behalf of Ahlstrom              
Carl-Gustav Paulig                                        
EVLI BANK PLC