TietoEnator Corporation Stock Exchange Release 25 April 2008, 9.00 am EET TietoEnator Corporation has received an announcement pursuant to the Securities Market Act regarding a change in its shareholding. UBS AG (Registration number: CH-270.3.004.646-4) has announced that its group holding in TietoEnator Corporation has exceeded the 5% threshold. Target company: TietoEnator Corporation, Business Identity Code: 0101138-5 Date of change in holding: 23 April 2008 Portion of the shares and votes: The current group holding in TietoEnator Corporation of UBS AG is 3 871 739 shares, which represents 5.38% of the shares and voting rights. This position is held at the following entities: UBS AG, UBS Global Asset Management (UK) Limited, UBS Global Asset Management Life Limited, UBS Global Asset Management (Canada) Co., UBS Global Asset Management (Americas) Inc., UBS Fund Management (Switzerland) AG, UBS Global Asset Management (Australia) Ltd., UBS AG London Branch, UBS AG (Switzerland). The registered number of shares of TietoEnator Corporation is 72 023 173, which entitle to a total of 72 023 173 votes. For further information: Reeta Kaukiainen, EVP, Communications and Investor Relations, tel. +358 9 8626 3276, reeta.kaukiainen@tietoenator.com TIETOENATOR CORPORATION DISTRIBUTION Helsinki Stock Exchange Stockholmsbörsen Principal Media TietoEnator is among the leading architects in building a more efficient information society and one of the largest IT services providers in Europe. TietoEnator specializes in consulting, developing and hosting its customers' business operations in the digital economy. The Group's services are based on a combination of deep industry-specific expertise and the latest information technology. TietoEnator has about 16 000 experts in close to 30 countries. www.tietoenator.com