TietoEnator Corporation Stock Exchange announcement 28.9.2007 In the Helsinki Stock Exchange Trade date 28.9.2007 Bourse trade BUY Share TIE1V Amount 45.000 Shares Total cost 709.650,00 EUR Average price/share 15,7700 EUR Highest price/share 15,87 EUR Lowest price/share 15,69 EUR TietoEnator Corporation now holds a total of 2.296.650 TIE1V shares including the shares repurchased on 28.9.2007. On behalf of TietoEnator Corporation NORDEA BANK FINLAND PLC Petri Simberg Kalle Heikkilä