TietoEnator Corporation Stock Exchange announcement 19.9.2007 In the Helsinki Stock Exchange Trade date 19.9.2007 Bourse trade BUY Share TIE1V Amount 45.000 Shares Total cost 713.319,42 EUR Average price/share 15,8515 EUR Highest price/share 16,01 EUR Lowest price/share 15,76 EUR TietoEnator Corporation now holds a total of 1.981.650 TIE1V shares including the shares repurchased on 19.9.2007 On behalf of TietoEnator Corporation NORDEA BANK FINLAND PLC Petri Simberg Jarkko Järvinen