F-Secure Oyj

Transaction in Own Shares • Dec 11, 2009

Disclosure 274538

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

SHARE REPURCHASE 11.12.2009

SHARE REPURCHASE 11.12.2009 Helsinki Stock Exchange Trade date 11.12.2009 Bourse trade PURCHASE Share 2 000 shares Total cost 5 395,00 EUR Average price / share 2.6975 EUR Highest price / share 2.70 EUR Lowest price / share 2.69 EUR F-Secure Corporation now holds 1 482 046 shares including the shares repurchased on 11.12.2009. On behalf of F-Secure Corporation FIM Bank Ltd Antti Pajukka