Tieto Oyj - Company Announcement

Tieto's first quarter results on 27 April

Tieto Corporation Stock Exchange Release 19 April 2010 11.00 am EET

Tieto will publish its interim report for 1 January‑31 March 2010 on Tuesday 27
April at 8.00 am EET (7.00 am CET, 6.00 am UK time).

Press conference for analysts and media will be held at Tieto's premises in
Helsinki, address: Aku Korhosen tie 2‑6, at 9.30 am EET (8.30 am CET, 7.30 am UK
time). The results will be presented in English by Hannu Syrjälä, President and
CEO. Notification of attendance to sirpa.salo@tieto.com,
tel. +358 2072 68714.

The conference will be webcasted and published live on Tieto's
websitewww.tieto.com <http://www.tieto.com/> and there will be a possibility to
present questions online. An on-demand video will be available after the
conference.

Conference call hosted by the management starting at 2.30 pm EET (1.30 pm CET,
12.30 am UK time), will also be available as live audio webcast atwww.tieto.com<http://www.tieto.com/>. Callers may access the conference directly at the
following telephone numbers: US callers +1 212 444 0413, non-US callers +44 20
7806 1955, no code. Lines are to be reserved ten minutes before the start of
conference call.

An on-demand audiocast of the conference will also be published on Tieto's
website later during the day. A replay will be available until 2 May 2010 in the
following numbers: US callers: +1 347 366 9565, non-US callers: +44 20
7111 1244, callers in Finland: +358 (0)9 2310 1650, access code: 7578843#.

Tieto publishes financial information in English, Finnish and Swedish. All
releases are posted in full on Tieto's website as soon as they are published.



For further information, please contact:

Pasi Hiedanpää, Manager, Investor Relations, Communications and Investor
Relations,
tel. +358 2072 68088, +358 50 378 2228, pasi.hiedanpaa@tieto.com



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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