TietoEnator Corporation Stock Exchange announcement 23.8.2007 In the Helsinki Stock Exchange Trade date 23.8.2007 Bourse trade BUY Share TIE1V Amount 45.000 Shares Total cost 775.125,56 EUR Average price/share 17,2250 EUR Highest price/share 17,50 EUR Lowest price/share 16,95 EUR TietoEnator Corporation now holds a total of 1.126.650 TIE1V shares including the shares repurchased on 23.8.2007 On behalf of TietoEnator Corporation NORDEA BANK FINLAND PLC Petri Simberg Jarkko Järvinen