Tieto Oyj - Changes in company's own shares

Acquisition of own shares by Tieto on 19 May 2009

Tieto Corporation Stock Exchange Announcement 19 May 2009 6.30 pm EET

Date:                                    19 May 2009
Exchange transaction:                    Buy

Share class:                             TIE1V
Amount:                                  18000
Average price /share:                    EUR         10,29323
Highest price /share:                    EUR         10,55
Lowest price /share:                     EUR         10,18
Total price:                             EUR         185278,14

The number of shares held by the company
including the shares acquired on         19 May 2009

TIE1V                                    503390


Tieto Corporation


On behalf of Tieto Corporation



Teemu Koivisto

EVLI BANK PLC