Tieto Oyj - Major shareholder announcements

Cevian Capital's holding in Tieto exceeds 5%

Tieto Corporation Stock Exchange Release 12 November 2009, 9.45 am
EET

Tieto Corporation has received an announcement pursuant to the
Securities Market Act regarding a change in its shareholding. Cevian
Capital II Master Fund L.P. (registration number: OG-17445) has
announced that its holding in Tieto Corporation has exceeded the 5%
threshold.

Target company: Tieto Corporation, Business Identity Code: 0101138-5
Date of change in holding: 11 November 2009
Portion of the shares and votes: Cevian Capital holds a total of
4 033 843 shares, which represents 5.60% of the shares and voting
rights.

The registered number of shares of Tieto Corporation is 72 023 173,
which entitle to a total of 72 023 173 votes.

For further information, please contact:
Reeta Kaukiainen, EVP, Communications and Investor Relations,
tel. +358 2072 68711, reeta.kaukiainen@tieto.com



TIETO CORPORATION


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Tieto is a professional service company providing IT, R&D and
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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 Nordic expertise set us apart from
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