F-Secure Oyj

Transaction in Own Shares • Feb 23, 2010

Disclosure 276274

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

SHARE REPURCHASE 23.02.2010

SHARE REPURCHASE 23.02.2010 Helsinki Stock Exchange Trade date 23.02.2010 Bourse trade PURCHASE Amount 24 000 shares Total cost 57 882,71 EUR Average price / share 2.4118 EUR Highest price / share 2.43 EUR Lowest price / share 2.40 EUR F-Secure Corporation now holds 1 773 575 shares including the shares repurchased on 23.02.2010. On behalf of F-Secure Corporation FIM Bank Ltd Antti Pajukka