F-Secure Oyj

Transaction in Own Shares • Nov 26, 2009

Disclosure 274202

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

SHARE REPURCHASE 26.11.2009

SHARE REPURCHASE 26.11.2009 Helsinki Stock Exchange Trade date 26.11.2009 Bourse trade PURCHASE Share FSC1V Amount 3 000 osaketta Total cost 7 920,00 EUR Average price / share 2.64 EUR Highest price / share 2.65 EUR Lowest price / share 2.63 EUR F-Secure Corporation now holds 1 348 838 shares including the shares repurchased on 26.11.2009. On behalf of F-Secure Corporation FIM Bank Ltd Antti Pajukka