Change of Registered Address

Sopheon PLC
10 September 2003


Embargoed Release: 10:30 10th September 2003

                                  Sopheon Plc

                      Change of Registered Office Address


With immediate effect the registered office address of Sopheon plc will change
to:


The Surrey Technology Centre

40 Occam Road

Guildford

Surrey GU2 7YG


Notes to Editors


Sopheon

Sopheon (LSE:SPE) is an international provider of software tools, experts and
content that help organizations improve the business impact of product
development. Sopheon serves nearly half of the technology-driven companies on
the Fortune 500, enabling them to achieve higher, faster return on innovation
and product development investments through technology and human-based decision
support. The company's products and services include its flagship Accolade(R)
product development system, the award-winning Teltech.com(R) Web-based research
portal for technical and business professionals, and Organik(R) expertise-sharing
software. Sopheon is listed on the AIM market of the London Stock Exchange and
on the Euronext in the Netherlands. For more information, please visit
www.sopheon.com.


For further information contact :

Barry Mence,           Sopheon plc            Tel : + 44 (0)1483-883000
Chairman

Arif Karimjee, CFO     Sopheon plc            Tel : + 44 (0)1483-883000

Adam Reynolds/Andrew   Hansard                Tel : + 44 (0)207-245-1100/07957
Tan                    Communications         203 685

Barbara Jansen         Citigate First         Tel : + 31 (0)205-754010
                       Financial


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