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

SHARE REPURCHASE 9.8.2011

F-Secure Corporation        ANNOUNCEMENT          9.8.2011
SHARE REPURCHASE 9.8.2011                                 
In the Helsinki Stock Exchange                            
Trade date                            9.8.2011            
Bourse trade                               BUY            
Share                                    FSC1V            
Amount                                  20.000  shares    
Total cost                              39.500  EUR       
Average price/ share                    1,9750  EUR       
Highest price/ share                      2,01  EUR       
Lowest price/ share                       1,93  EUR       
F-Secure Corporation now holds a total of 3.623.103 shares
including the shares repurchased on 9.8.2011.             
On behalf of F-Secure Corporation                         
Nordea Bank Finland Plc                                   
Petri Simberg               Julius Summanen