Ahlstrom - Changes in company's own shares

REPURCHASE OF OWN SHARES

Ahlstrom                                            
STOCK EXCHANGE ANNOUNCEMENT                         
20 October 2011                                     
REPURCHASE OF OWN SHARES                            
Date:                           20 October 2011     
Exchange transaction:           Buy                 
Share class:                    AHL1V               
Amount:                                    5081     
Average price /share:                   11,4728  EUR
Highest price /share:                   11,5000  EUR
Lowest price /share:                    11,2000  EUR
Total price:                           58293,30  EUR
The shares held by Ahlstrom on  20 October 2011     
AHL1V                                     55526     
Ahlstrom                                            
On behalf of Ahlstrom                               
Pasi Väisänen                                       
EVLI BANK PLC