TietoEnator Corporation Stock Exchange Release 21 April 2008, 9.30 am EET International conference call at 4.00 pm (EET) An international conference call in English will be held today, 21 April starting at 4.00 pm EET (3.00 pm CET, 2.00 pm UK time). The call will be hosted by Matti Lehti, the Chairman of the Board of Directors, and Hannu Syrjälä, President and CEO. Callers may access the conference directly at the following telephone numbers: US callers: +1 866 966 5335, non-US callers: +44 20 3023 4402, no code. Lines are to be reserved ten minutes before start of conference call. An on-demand audiocast of the conference will also be published at www.tietoenator.com later during the day. A replay will be available until 28 April 2008 in the following numbers: US callers: +1 866 583 1035, non-US callers: +44 20 8196 1998, access code: 141 833#. Press conference in Helsinki, Finland A press conference concerning the Board's statement and recommendation to shareholders on Cidron Services Oy's offer will be held today 21 April at 1.30 pm EET at Restaurant Savoy, cabinet Salikabinet (address: Eteläesplanadi 14, Helsinki). The event will be held in Finnish. After the conference Mr. Lehti and Mr. Syrjälä will be available for media interviews. 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