Tieto Oyj - Total number of voting rights and capital

OP Pohjola Group's holding in Tieto exceeds 5%

Tieto Corporation STOCK EXCHANGE RELEASE 14 December 2010, 4.00 pm EET



Tieto Corporation has received an announcement pursuant to the Securities Market
Act regarding a change in its shareholding. OP-Pohjola Group Central Cooperative
(OPK) (Registration number: 0242522-1) has announced that its group holding in
Tieto Corporation has exceeded the 5% threshold.

Target company: Tieto Corporation, Business Identity Code: 0101138-5

Date of change in holding: 1 December 2010

Portion of the shares and votes: The current group holding in Tieto Corporation
of OP-Pohjola Group Central Cooperative (OPK) is 3 653 680 shares, which
represents 5.07% of the shares and voting rights.

This position is held at the following entities (number of shares; % of shares
and votes):

Pohjola Bank plc. (50 000; 0.069%)
Pohjola Insurance Ltd (90 000; 0.125%)
A-Insurance Ltd (9 000; 0.012%)
OP-Life Insurance (17 424; 0.024%)
OP-Pohjola Group Central Cooperative (2 160 000; 2.999%)
OP-Pohjola-ryhmän Kyösti Haatajan säätiö (1 600; 0.002%)
OP-Pohjola-ryhmän Tutkimussäätiö (11 400; 0.016%)

OP-Delta (600 000; 0.833%)
OP-Focus (180 752; 0.251%)
OP-Suomi Arvo (225 000; 0.312%)
OP-Suomi Pienyhtiöt (308 504; 0.428%)

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

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











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