ANNOUNCEMENT UNDER SECURITIES MARKET ACT CHAPTER 2 SECTION 10 CONCERNING CHANGE IN OWNERSHIP


IXONOS PLC STOCK EXCHANGE ANNOUNCEMENT 11 DECEMBER 2007 

ANNOUNCEMENT UNDER SECURITIES MARKET ACT CHAPTER 2 SECTION 10 CONCERNING CHANGE 
IN OWNERSHIP                                                                    

Tuomas Kohila has today notified Ixonos Plc under chapter 2 section 9 of the    
Finnish Securities Market Act that on December 3, 2007 his holding in the shares
and votes of Ixonos Plc exceeded more than one twentieth (1/20) as a result of a
share issue in which a total of 568,140 new shares in Ixonos Plc were directed  
for him to subscribe as the largest owner of Ixonos Ulkoistuspalvelut Oy        
(previously Cidercone Life-Cycle Solutions Oy) in order to pay the acquisition  
price for the share capital of Ixonos Ulkoistuspalvelut Oy.                     

Tuomas Kohila now holds a total of 568,140 shares in Ixonos Plc, i.e. 6.39% of  
the company's shares and votes.                                                 

Ixonos has one share series. The company's share capital is EUR 355,485.20, and 
the total number of shares is 8,887,130.                                        

IXONOS PLC                                                                      
Kari Happonen                                                                   
President and CEO                                                               


ADDITIONAL INFORMATION:                                                         
Ixonos Plc                                                                      
CFO Petteri Mussalo, puh. +358 424 2231, GSM +358 400 193 779                   
petteri.mussalo@ixonos.com                                                      

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OMX Nordic Exchange Helsinki                                                    
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