F-Secure Oyj

Transaction in Own Shares • Dec 3, 2009

Disclosure 274378

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

SHARE REPURCHASE 03.12.2009

SHARE REPURCHASE 03.12.2009 Helsinki Stock Exchange Trade date 03.12.2009 Bourse trade PURCHASE Share FSC1V Amount 19 000 osaketta Total cost 51 920,10 EUR Average price / share 2.732637 EUR Highest price / share 2.75 EUR Lowest price / share 2.68 EUR F-Secure Corporation now holds 1 428 488 shares including the shares repurchased on 03.12.2009. On behalf of F-Secure Corporation FIM Bank Ltd Mika Kannisto