Tieto’s Total Number of Shares Increases – Cevian Capital’s Holding Consequently below 15%, with No Change in Shares Held

Regulatory News:

Tieto Corporation (HEX:TIE1V) (STO:TIEN) STOCK EXCHANGE RELEASE 15 April 2015, 14.00 EET

Tieto has received an announcement pursuant to the Securities Market Act regarding the shareholding of Cevian Capital Partners Ltd.

According to the announcement made by Tieto today, the number of the company’s shares has increased due to share subscriptions pursuant to stock options. As a result, the holding of Cevian Capital has fallen below the 15% threshold. The number of shares held by Cevian Capital has remained unchanged at 11 073 614 shares.

Target company: Tieto Corporation (Business Identity Code: 0101138-5)

The registered number of Tieto shares: 73 926 163, which entitle to a total of 73 926 163 votes.

The current aggregate holding of Cevian Capital Partners Ltd (Registration number: C45913) is 11 073 614 shares, corresponding to 14.98% of shares.

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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