TietoEnator Corporation s share repurchase 11.9.2007


TietoEnator Corporation Stock Exchange announcement 11.9.2007

In the Helsinki Stock Exchange


Trade date                         11.9.2007
Bourse trade                       BUY

Share                              TIE1V
Amount                             45.000               Shares
Total cost                         771.005,15           EUR
Average price/share                17,1335              EUR
Highest price/share                17,28                EUR
Lowest price/share                 16,96                EUR


TietoEnator Corporation now holds a total of
1.711.650 TIE1V shares including the shares repurchased on 11.9.2007


On behalf of TietoEnator Corporation

NORDEA BANK FINLAND PLC

Petri Simberg              Jarkko Järvinen