F-Secure Oyj

Transaction in Own Shares • Mar 12, 2010

Disclosure 276922

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

SHARE REPURCHASE 12.03.2010

SHARE REPURCHASE 12.03.2010 Helsinki Stock Exchange Trade date 12.03.2010 Bourse trade PURCHASE Amount 70 000 shares Total cost 175 407,92 EUR Average price / share 2.5058 EUR Highest price / share 2.52 EUR Lowest price / share 2.50 EUR F-Secure Corporation now holds 2 048 641 shares including the shares repurchased on 12.03.2010. On behalf of F-Secure Corporation FIM Bank Ltd Antti Pajukka