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

SHARE REPURCHASE 12.8.2011

F-Secure Corporation        ANNOUNCEMENT         12.8.2011
SHARE REPURCHASE 12.8.2011                                
In the Helsinki Stock Exchange                            
Trade date                          12.8.2011             
Bourse trade                BUY                           
Share                       FSC1V                         
Amount                                  6.000  shares     
Total cost                          12.680,00  EUR        
Average price/ share                   2,1133  EUR        
Highest price/ share                     2,12  EUR        
Lowest price/ share                      2,10  EUR        
F-Secure Corporation now holds a total of 3.651.881 shares
including the shares repurchased on 12.8.2011.            
On behalf of F-Secure Corporation                         
Nordea Bank Finland Plc                                   
Petri Simberg               Julius Summanen