Tieto Corporation STOCK EXCHANGE RELEASE 23 June 2015, 10.00 am EET 4 Februar Interim report 4/2015 and financial y 2016 statements bulletin for 2015 (8.00 am EET) Week Annual Report 2015 on Tieto's website 8/2016 22 March Annual General Meeting 2016 Tieto will publish three interim reports in 2016 26 April Interim report 1/2016 (8.00 am EET) 22 July Interim report 2/2016 (8.00 am EET) 25 October Interim report 3/2016 (8.00 am EET) 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