TietoEnator Corporation Stock Exchange announcement 17.8.2007 In the Helsinki Stock Exchange Trade date 17.8.2007 Bourse trade BUY Share TIE1V Amount 45.000 Shares Total cost 718.097,82 EUR Average 15,9577 EUR price/share Highest price/share 16,50 EUR Lowest price/share 15,70 EUR TietoEnator Corporation now holds a total of 946.650 TIE1V shares including the shares repurchased on 17.8.2007 On behalf of TietoEnator Corporation NORDEA BANK FINLAND PLC Petri Simberg Jarkko Järvinen