TietoEnator Corporation Stock Exchange announcement 10.9.2007 In the Helsinki Stock Exchange Trade date 10.9.2007 Bourse trade BUY Share TIE1V Amount 45.000 Shares Total cost 766.187,99 EUR Average price/share 17,0264 EUR Highest price/share 17,29 EUR Lowest price/share 16,79 EUR TietoEnator Corporation now holds a total of 1.666.650 TIE1V shares including the shares repurchased on 10.9.2007 On behalf of TietoEnator Corporation NORDEA BANK FINLAND PLC Petri Simberg Jarkko Järvinen