Tieto Corporation STOCK EXCHANGE RELEASE 15 April 2015, 12.00 EET Between1 January and 31 March 2015, a total of 153 181 Tieto Corporation new shares have been subscribed for with the company's stock options 2009B and a total of 60 015 new shares with stock options 2009C. For subscriptions made with the stock options 2009B and 2009C, the entire subscription price of EUR 2 376 111.34 will be entered in the reserve for invested unrestricted equity. As a result of subscriptions, the number of Tieto shares increases to 73 926 163. The shares subscribed for under the stock options have been registered in the Trade Register on 15 April 2015, as of which date the new shares will establish shareholder rights. The shares will be traded on the NASDAQ Helsinki together with the old shares as of 16 April 2015. The share subscription period for stock options 2009B was 1 March 2013–31 March 2015. The 2009B stock options entitled to subscriptions of a total of 600 000 shares. A total of 373 065 new Tieto shares were subscribed for under the stock options 2009B. 2009B option rights that were not exercised by the end of the subscription period are no longer valid. The share subscription period for stock options 2009C is 1 March 2014–31 March 2016. The terms and conditions for stock options 2009 with additional information are available on the company's website www.tieto.com/Investors (http://file://fis -common/common/enni/groups/EAM/EAM_Data/YHTI%C3%96T/Tieto/KANNUSTINJ%C3%84RJESTE L M%C3%84T/OPTIOT/Osakemerkinn%C3%A4t/2014/Merkint%C3%A4ikkuna%2031.3.2014/www.tie t o.com/Investors). For further information, please contact: Tanja Lounevirta, Head of Investor Relations, tel. +358 50 321 7510, tanja.lounevirta (at) tieto.com TIETO CORPORATION DISTRIBUTION NASDAQ Helsinki NASDAQ Stockholm Principal Media Tieto is the largest IT services company in the Nordics providing full lifecycle IT services. We also provide global product development services for companies in the communications and embedded technologies arena. Through industry insight, technology vision, and innovative thinking, Tieto proactively strives to inspire and engage our customers in finding new ways of accelerating their business. Building on a strong Nordic heritage, Tieto combines global capabilities with local presence. Headquartered in Helsinki, Finland, Tieto has over 13 000 experts in more than 20 countries. Turnover is approximately EUR 1.5 billion. Tieto’s shares are listed on NASDAQ in Helsinki and Stockholm. www.tieto.com