HSE: FORTUM CORPORATION: SHARES SUBSCRIBED WITH OPTION RIGHTS

EXCHANGE NOTICE 531/2005, 8 December 2005 SHARES

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