Additional Listing

Sopheon PLC
23 January 2004


                            Sopheon plc ('Sopheon' )
                               Additional Listing

Sopheon announces that it has issued 70,000 shares of 5p each in connection with
the exercise of conversion rights in respect of £8,400 nominal value of the 6%
Convertible Unsecured Loan Stock 2005. Application has been made to the London
Stock Exchange for the shares being issued to be admitted to AIM and it is
expected that dealings will commence on 28 January 2004.

For further information, please contact:

Sopheon plc
Arif Karimjee, Chief financial officer        [phone]
([e-mail])

Hansard Communications.com Limited
Adam Reynolds                                 [phone]
([e-mail])
Andy Tan
([e-mail])



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