Tieto Oyj: Silchester’s holding in Tieto increases to 10%

Regulatory News:

Tieto Corporation (HEX:TIE1V)(STO:TIEN):

Tieto Corporation STOCK EXCHANGE RELEASE 23 June 2015, 14:00 EET

Tieto Corporation has received an announcement pursuant to the Securities Market Act regarding a change in its shareholding. Silchester International Investors LLP has announced that its aggregate holding in Tieto Corporation has risen to 10.00%.

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

Date of change in holding: 22 June 2015

The current aggregate holding of Silchester International Investors LLP is 7 401 027 shares. This position is held at the following entities:

Silchester International Investors International Value Equity Trust

Silchester International Investors International Value Equity Taxable Trust

Silchester International Investors International Value Equity Group Trust

Silchester International Investors Tobacco Free International Value Equity Trust The Calleva Trust.

The registered number of shares of Tieto Corporation is 73 976 801, which entitle to a total of 73 976 801 votes.

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

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