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

SHARE REPURCHASE 4.8.2010

F-Secure Corporation      STOCK EXCHANGE ANNOUNCEMENT      4.8.2010             


SHARE REPURCHASE   4.8.2010                                                     

In the Helsinki Stock Exchange                                                  

Trade date              4.8.2010                                                
Bourse trade            BUY                                                     
Share                   FSC1V                                                   
Amount                  5.200                 shares                            
Total cost              11.198,00             EUR                               
Average price/ share    2,1535                EUR                               
Highest price/ share    2,16                  EUR                               
Lowest price/ share     2,14                  EUR                               


F-Secure Corporation now holds a total of 2.582.488 shares                      
including the shares repurchased on 4.8.2010.                                   


On behalf of F-Secure Corporation                                               

Nordea Bank Finland Plc                                                         

Petri Simberg             Julius Summanen