F-Secure Oyj

Transaction in Own Shares • Nov 17, 2009

Disclosure 274054

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

SHARE REPURCHASE 17.11.2009

SHARE REPURCHASE 17.11.2009 Helsinki Stock Exchange Trade date 17.11.2009 Bourse trade PURCHASE Share FSC1V Amount 8 131 osaketta Total cost 21 709,77 EUR Average price / share 2.67 EUR Highest price / share 2.67 EUR Lowest price / share 2.67 EUR F-Secure Corporation now holds 1 301 823 shares including the shares repurchased on 17.11.2009. On behalf of F-Secure Corporation FIM Bank Ltd Antti Pajukka