F-Secure Oyj - Corporate Action

SUBSCRIPTION OF F-SECURE SHARES WITH F-SECURE 2002 WARRANTS

F-SECURE CORPORATION				STOCK EXCHANGE RELEASE                                 
						Translation from Finnish                                                
						May 20, 2008 15.00 pm


SUBSCRIPTION OF F-SECURE SHARES WITH F-SECURE 2002 WARRANTS                     

A total of 26,384 F-Secure shares were subscribed for with the A1/A2 warrants   
and a total of 45,336 F-Secure shares were subscribed for with the B1/B2/B3     
warrants attached to the F-Secure 2002 Warrant Plan. The issue of the 2002      
Warrant Plan was approved by the Annual General Meeting on March 27, 2002,      
respectively.                                                                   

In aggregate the number of shares was increased by 71,720. The corresponding    
increase in the share capital was registered in the Finnish Trade Register on   
May 20, 2008. F-Secure received as subscription price a total amount of EUR     
56,632.80, which will be recorded in the fund for company's distributable       
equity. As a result of the registering the total number of shares is            
155,202,838.                                                                    

The holders of the new shares are entitled to all shareholders' rights from the 
registration day. The Company has submitted an application for the new shares to
be listed on the Helsinki Exchanges together with the other Company shares. The 
trading with the new shares will commence on May 21, 2008.                      

The subscription period for the A1 warrants began on 1 November 2003, for the A2
and B1 warrants on 1 November 2004, for the B2 warrants on 1 November 2005 and  
for the B3, C1 and C2 warrants on 1 November 2006 and for the C3 warrants on 1  
November 2007 of the F-Secure 2002 Warrant Plan, respectively.                  


F-Secure Corporation                                                            

Taneli Virtanen                                                                 
CFO                                                                             

Additional information:                                                         

F-Secure Corporation                                                            
Taneli Virtanen, CFO				tel. 358 9 2520 5655                                    

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