Tieto Corporation STOCK EXCHANGE RELEASE 18 January 2013, 10.00 am EET

Between 7 December and 31 December 2012, a total of 111 846 Tieto Corporation new shares have been subscribed for with the company's stock options 2006C, and a total of 3 500 shares with stock options 2009A. Following the subscriptions made with stock options 2006C, the share capital of Tieto increases by EUR 111 846.00 and EUR 1 108 393.86 will be entered in the share premium reserve. For subscriptions made with the stock options 2009A, the entire subscription price of EUR 22 785.00 will be entered in the reserve for invested unrestricted equity. As a result of the subscriptions, the number of Tieto shares increases to 72 492 559 and the share capital increases to EUR 76 064 020.00.

The shares subscribed for under the stock options have been registered in the Trade Register on 18 January 2013, as of which date the new shares will establish shareholder rights.

The shares will be traded on the NASDAQ OMX Helsinki together with the old shares as of 21 January 2013.

The share subscription period for stock options 2006C is 1 March 2011-31 March 2013. The shares subscribed for with 2006C stock options before the end of the share subscription period, 31 March 2013, will be registered on or about 25 April 2013.

The share subscription period for stock options 2009A is 1 March 2012-31 March 2014.

The terms and conditions of stock options 2006 and 2009 with additional information are available on the company's website www.tieto.com/investors.

For further information, please contact:

Tanja Lounevirta, Head of Financial Communications, tel. +358 50 321 7510, tanja.lounevirta (at) tieto.com

TIETO CORPORATION

DISTRIBUTION
NASDAQ OMX Helsinki
NASDAQ OMX Stockholm
Principal Media

Tietois 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 about 18 000 experts, we aim to become a leading service integrator creating the best service experience in IT.www.tieto.com

distributed by