TietoEnator Corporation Stock Exchange Release 13 August 2007, 9.00 am EET Following his recovery from surgery, TietoEnator's President and CEO Pentti Heikkinen has returned to work as planned on 13 August. Pentti Heikkinen underwent a successful operation for aortic valve insufficiency in the week of 11 June. At that time he was expected to return to work in mid-August. TIETOENATOR CORPORATION 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 DISTRIBUTION Helsinki Stock Exchange Stockholmsbörsen Principal Media