Tieto Oyj - Changes in company's own shares

Acquisition of own shares by Tieto on 11 May 2009

Tieto Corporation Stock Exchange Announcement 11 may 2009 6.30 pm EET

Date:                                    11 May 2009
Exchange transaction:                    Buy

Share class:                             TIE1V
Amount:                                  18000
Average price /share:                    EUR         10,16415
Highest price /share:                    EUR         10,32
Lowest price /share:                     EUR         9,96
Total price:                             EUR         182954,70

The number of shares held by the company
including the shares acquired on         11 May 2009

TIE1V                                    395390


Tieto Corporation


On behalf of Tieto Corporation



Teemu Koivisto

EVLI BANK PLC