F-Secure Oyj

Transaction in Own Shares • Dec 12, 2008

Disclosure 265238

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

SHARE REPURCHASE 12.12.2008

SHARE REPURCHASE 12.12.2008 Helsinki Stock Exchange Trade date 12.12.2008 Bourse trade PURCHASE Share FSC1V Amount 40 000 shares Total cost 77 696,00 EUR Average price / share 1.9424 EUR Highest price / share 1.98 EUR Lowest price / share 1.92 EUR F-Secure Corporation now holds 549 000 shares including the shares repurchased on 12.12.2008. On behalf of F-Secure Corporation FIM Bank Ltd Antti Pajukka