Subscription of F-Secure shares with F-Secure 2002 warrants

Apr 04, 2006:

A total of 64,600 F-Secure shares were subscribed for with the A1/A2 warrants and a total of 39,050 F-Secure shares were subscribed for with the B1/B2 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 103,650. The corresponding increase in the share capital, in total EUR 1,036.50 was registered in the Finnish Trade Register on April 4, 2006. As a result of the increase, the share capital of F-Secure currently is EUR 1,548,758.68 and the total number of shares is 154,875,868. F Secure received as additional shareholders' equity a total of EUR 73,905.

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 April 5, 2006.

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

F-Secure Corporation

Risto Siilasmaa
President & CEO

Additional information:

F-Secure Corporation

Risto Siilasmaa,
President and CEO
tel.358 9 2520 5510

Taneli Virtanen,
CFO
tel.358 9 2520 5655