Additional Listing

Sopheon PLC
03 September 2003



                            Sopheon plc ('Sopheon' )

                               Additional Listing


Sopheon announces that it has issued 116,666 shares of 5p each in connection
with the exercise of conversion rights in respect of £14,000 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 8 September 2003.


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])







                      This information is provided by RNS
            The company news service from the London Stock Exchange