Tieto Oyj - Company Announcement

Tieto's full year 2010 and Q4 on 10 February

TIETO CORPORATION STOCK EXCHANGE RELEASE 27 January 2011 10.00 AM EET

Tieto will publish its full-year review for 1 January-31 December 2010 on
Thursday 10 February 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 2.30 pm EET (1.30 pm CET, 12.30 pm
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 website
www.tieto.com and there will be a possibility to present questions online. An
on-demand video will be available after the conference.

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, 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 the leading IT service company in Northern Europe providing IT and
product engineering services. Our highly specialized IT solutions and services
complemented by a strong technology platform create tangible business benefits
for our local and global customers. As a trusted transformation partner, we are
close to our customers and understand their unique needs. With more than 17 000
experts, we aim to become a leading service integrator creating the best service
experience in IT. www.tieto.com




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