Fortum Corporation ANNOUNCEMENT 22.10.2007 SHARE REPURCHASE 22.10.2007 In the Helsinki Stock Exchange Trade date 22.10.2007 Bourse trade BUY Share FUM1V Amount 400.000 shares Total cost 11.438.823,88 EUR Average price/ share 28,5971 EUR Highest price/ share 28,72 EUR Lowest price/ share 28,40 EUR Fortum Corporation now holds a total of 800.000 shares including the shares repurchased on 22.10.2007. On behalf of Fortum Corporation NORDEA BANK FINLAND PLC Petri Simberg Jarkko Järvinen