IXONOS PLC STOCK EXCHANGE RELEASE 22.2.2008 ANNOUNCEMENT UNDER THE SECURITIES MARKET ACT, CHAPTER 2, SECTION 10 We hereby announce that Ixonos Plc has been notified, in accordance with Chapter 2, Section 10 of the Finnish Securities Market Act, of a change in the company's ownership: Turret Oy Ab has on February 21, 2008 informed Ixonos that ownership share of Ixonos Plc's votes and share capital by Turret Oy Ab has increased over onetenth (1/10). Altogether Turret Oy Ab has control to own 928,705 shares of Ixonos, corresponding to 10,45 % of Ixonos' shares and votes. The share capital of Ixonos Plc comprises in total EUR 355,485,20 and 8,887,130 shares. IXONOS PLC Kari Happonen President and CEO ADDITIONAL INFORMATION: Ixonos Plc Financial Manager Niklas Wasenius, puh. +358 424 2231, GSM +358 40 5250 800 niklas.wasenius@ixonos.com DISTRIBUTION: Helsinki Stock Exchange Main Media