TietoEnator Corporation STOCK EXCHANGE RELEASE 11 April 2008, 5.50 pm EET TietoEnator published unintentionally a test release today at 4.35 pm EET. The release includes an old interim report from 2007. For more information, please contact: Reeta Kaukiainen, EVP, Communications and Investor Relations, TietoEnator, tel. +358 9 8626 3276 or +358 50 522 0924, 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