Stock exchange release

HSE: 2001 A OPTION RIGHTS OF FORTUM CORPORATION WILL BE LISTED ON OCTOBER 17,2005

13 October 2005, 12:25 EEST

EXCHANGE NOTICE 426/2005, 13 October 2005 OPTION RIGHTS

2001 A OPTION RIGHTS OF FORTUM CORPORATION WILL BE LISTED ON OCTOBER 17,2005 Trading in the 2001 A option rights of Fortum Corporation will start on the Helsinki Stock Exchange on Monday, October 17, 2005. Identifiers of Fortum Corporation 2001 A option right: Trading code: FUM1VEW101 ISIN-code: FI0009618888 Orderbook id: 31639 Round lot: 100 Listing date: October 17, 2005 Subscription ratio: 1 (FUM1VEW101): 1 (FUM1V) Subscription price total: 3,40 EUR Subscription period start: October 15, 2005 Subscription period will end: May 5,2007 Number of option rights: 4 937 500 HELSINKI STOCK EXCHANGE Janne Seppänen Vice President Surveillance Finland