HSE: FORTUM CORPORATION: SHARES SUBSCRIBED WITH OPTION RIGHTS

FORTUM CORPORATION: SHARES SUBSCRIBED WITH OPTION RIGHTS A total of 209 000 Fortum Corporation's shares have been subscribed with the Fortum Corporation’s 1999 option rights, 1 636 350 shares have been subscribed with the 2001A option rights and 467 700 shares with the 2002A option rights. The shares will be traded on the Helsinki Stock Exchange as old shares as of 9 December 2005. Identifiers of Fortum Corporation's share: Trading code: FUM1V ISIN code: FI0009007132 Orderbook id: 24271 Number of shares: 875 294 025 HELSINKI STOCK EXCHANGE Janne Seppänen Vice President Surveillance Finland