Additional Listing

Embargoed Release: 14:30hrs Monday 12th June 2006

                                  SOPHEON PLC                                  

                              Additional Listing                               

Sopheon plc announces that it has issued 65,000 ordinary shares in connection
with the exercise of share options by a departing employee, at exercise prices
of 14.75p and 16.25p. Application has been made for the new ordinary shares to
be admitted to trading on AIM and dealings are expected to commence on 15 June
2006.

For further information contact:

Barry Mence, Chairman    Sopheon plc                 Tel : + 44 (0) 1483 685   
                                                     735                       
Arif Karimjee, CFO                                                             
                                                                               
Adam Reynolds            Hansard Communications      Tel : + 44 (0) 207 245    
                                                     1100                      
Andrew Tan                                           + 44 (0) 7957 203 685     
                                                                               
Frank Jansen             Citigate First Financial    Tel : + 31 (0) 205 754 010