EXCHANGE NOTICE 58/2007, 15 FEBRUARY 2007 SHARES STORA ENSO OYJ: CONVERSION OF A SHARE INTO R SHARE A total of 450 A shares converted into R shares will be traded together with the R shares of Stora Enso Oyj as of 16 February 2007. Identifiers of Stora Enso Oyj's A and R share: Trading code: STEAV ISIN code: FI0009005953 Orderbook id: 24359 Number of shares: 178 102 667 Trading code: STERV ISIN code: FI0009005961 Orderbook id: 24360 Number of shares: 611 435 832 HELSINKI STOCK EXCHANGE Janne Seppänen Head of Surveillance