Subscription of F-Secure shares with F-Secure 1998 warrants

Helsinki, Finland - June 11, 2003

A total of 17,989 F-Secure shares were subscribed for with the B warrants and 61,601 F-Secure shares with the C warrants attached to the F-Secure 1998 Warrant Plan. The issue of the 1998 Warrant Plan was approved by the Annual General Meeting of April 30, 1998 respectively.

In aggregate the number of shares were increased by 79,590. The corresponding increase in the share capital, in total EUR 795,90 was registered in the Finnish Trade Register on June 11, 2003. As a result of the increase, the share capital of F-Secure currently is EUR 1,453,128.72 and the total number of shares is 145,312,872. F-Secure received as additional shareholders' equity a total of EUR 9,050,77.

The holders of the new shares are entitled to all shareholders' rights from the registration date. 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 June 12, 2003.

The subscription period for the B warrants and C warrants of the F-Secure 1998 Warrant Plan began on 1 April 2001 and on 1 April 2002, 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, Director of Finance tel.358 9 2520 5655

DISTRIBUTION
Helsinki Exchanges
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