IXONOS PLC STOCK EXCHANGE ANNOUNCEMENT FEBRUARY 12, 2007 CHANGE OF BUSINESS NAME AND COMPANY AND TRADING CODES The change of the new business name to Ixonos Oyj, in English Ixonos Plc and in Swedish Ixonos Abp, which was decided by Tieto-X Plc's Extraordinary General Meeting on January 25, 2007, has been registered in the Trade Register on February 12, 2007. In connection with the change of the companys business name the company and trading codes on the Helsinki Stock Exchange will change. The new company code is XNS and the trading code XNS1V. The new business name and company and trading codes will be valid in the Helsinki Stock Exchanges SAXESS system as of February 13, 2007. IXONOS PLC Kari Happonen President and CEO FOR FURTHER INFORMATION, PLEASE CONTACT: Kari Happonen tel. +358 424 2231, mobile +358 400 700 761 kari.happonen@ixonos.com DISTRIBUTION: Helsinki Stock Exchange Main media