Ahlstrom - Changes in company's own shares

REPURCHASE OF OWN SHARES

Ahlstrom                                             
STOCK EXCHANGE ANNOUNCEMENT                          
17 November 2011                                     
REPURCHASE OF OWN SHARES                             
Date:                           17 November 2011     
Exchange transaction:           Buy                  
Share class:                    AHL1V                
Amount:                                    21653     
Average price /share:                    12,5982  EUR
Highest price /share:                    12,6000  EUR
Lowest price /share:                     12,5900  EUR
Total price:                           272788,82  EUR
The shares held by Ahlstrom on  17 November 2011     
AHL1V                                     269005     
Ahlstrom                                             
On behalf of Ahlstrom                                
Pasi Väisänen                                        
EVLI BANK PLC