F-Secure Oyj

Transaction in Own Shares • Dec 15, 2008

Disclosure 265291

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

SHARE REPURCHASE 15.12.2008

SHARE REPURCHASE 15.12.2008 Helsinki Stock Exchange Trade date 15.12.2008 Bourse trade PURCHASE Share FSC1V Amount 15 000 shares Total cost 29 182,50 EUR Average price / share 1.9455 EUR Highest price / share 1.95 EUR Lowest price / share 1.94 EUR F-Secure Corporation now holds 564 000 shares including the shares repurchased on 15.12.2008. On behalf of F-Secure Corporation FIM Bank Ltd Antti Pajukka