HSE: FORTUM CORPORATION: SHARES SUBSCRIBED WITH OPTION RIGHTS

EXCHANGE NOTICE 374/2005, 8 September 2005 SHARES

FORTUM CORPORATION: SHARES SUBSCRIBED WITH OPTION RIGHTS

A total of 45 000 Fortum Corporation's shares have been
subscribed with the Fortum Corporation’s 1999 option rights
and 142 500 shares have been subscribed with the Fortum
Corporation’s 2002A option rights. The shares will be traded
on the Helsinki Stock Exchange as old shares as of 9 September 2005.

Identifiers of Fortum Corporation's share:

Trading code: FUM1V
ISIN code: FI0009007132
Orderbook id: 24271
Number of shares: 872 980 975


HELSINKI STOCK EXCHANGE
Janne Seppänen
Vice President Surveillance Finland