TietoEnator Corporation Stock Exchange announcement 13.9.2007 In the Helsinki Stock Exchange Trade date 13.9.2007 Bourse trade BUY Share TIE1V Amount 45.000 Shares Total cost 741.290,34 EUR Average price/share 16,4731 EUR Highest price/share 16,59 EUR Lowest price/share 16,35 EUR TietoEnator Corporation now holds a total of 1.801.650 TIE1V shares including the shares repurchased on 13.9.2007 On behalf of TietoEnator Corporation NORDEA BANK FINLAND PLC Petri Simberg Jarkko Järvinen