TietoEnator Corporation Stock Exchange announcement 5.9.2007 In the Helsinki Stock Exchange Trade date 5.9.2007 Bourse trade BUY Share TIE1V Amount 45.000 Shares Total cost 768.950,60 EUR Average price/share 17,0878 EUR Highest price/share 17,24 EUR Lowest price/share 16,75 EUR TietoEnator Corporation now holds a total of 1.531.650 TIE1V shares including the shares repurchased on 5.9.2007 On behalf of TietoEnator Corporation NORDEA BANK FINLAND PLC Petri Simberg Jarkko Järvinen