Tieto Oyj - Corporate Action

Cancellation of Tieto's 2006 B Stock Options

Tieto Corporation STOCK EXCHANGE RELEASE 16 June 2010, 2.30 pm EET

A total of 84 700 Tieto Corporation 2006 B Stock Options has been cancelled.
After the cancellation, the remaining 515 300 stock options 2006 B entitle the
holder to subscribe for 515 300 Tieto shares. The change will be registered in
the Finnish Trade Register on or about 21 June 2010.

For further information, please contact:

Jukka Karjalainen, Vice President, Compensation & Benefits, tel. +358
40 508 8526

TIETO CORPORATION

DISTRIBUTION
NASDAQ OMX Helsinki
NASDAQ OMX Stockholm
Principal Media



Tieto is an IT service company providing IT, R&D and consulting services. With
approximately 17 000 experts, we are among the leading IT service companies in
Northern Europe and the global leader in selected segments. We specialize in
areas where we have the deepest understanding of our customers' businesses and
needs. Our superior customer centricity and expertise in digital services set us
apart from our competitors.

www.tieto.com <http://www.tieto.com/>



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