F-Secure Oyj - Changes in company's own shares

SHARE REPURCHASE 15.9.2011

F-Secure Corporation        ANNOUNCEMENT         15.9.2011
SHARE REPURCHASE 15.9.2011                                
In the Helsinki Stock Exchange                            
Trade date                          15.9.2011             
Bourse trade                BUY                           
Share                       FSC1V                         
Amount                                 20.000  shares     
Total cost                          40.166,26  EUR        
Average price/ share                   2,0083  EUR        
Highest price/ share                     2,03  EUR        
Lowest price/ share                      1,97  EUR        
F-Secure Corporation now holds a total of 3.799.719 shares
including the shares repurchased on 15.9.2011.            
On behalf of F-Secure Corporation                         
Nordea Bank Finland Plc                                   
Petri Simberg               Julius Summanen