F-Secure Oyj

Transaction in Own Shares • Nov 25, 2009

Disclosure 274172

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

SHARE REPURCHASE 25.11.2009

SHARE REPURCHASE 25.11.2009 Helsinki Stock Exchange Trade date 25.11.2009 Bourse trade PURCHASE Share FSC1V Amount 8 500 osaketta Total cost 22 825,00 EUR Average price / share 2.6853 EUR Highest price / share 2.70 EUR Lowest price / share 2.68 EUR F-Secure Corporation now holds 1 345 838 shares including the shares repurchased on 25.11.2009. On behalf of F-Secure Corporation FIM Bank Ltd Antti Pajukka