Notice of AGM

FOR IMMEDIATE RELEASE: Tuesday 6 May 2008                                                                           

                                  SOPHEON PLC                                  

                          ("Sopheon" or the "Group")                           

                  NOTIFICATION OF ANNUAL GENERAL MEETING DATE                  

Sopheon plc, the international provider of software and services that improve
the financial return from innovation and product development investments,
announces that its 2008 Annual General Meeting (AGM) will be held in London at
11:00am on Tuesday 10 June, with an additional informational meeting
(Informatieve Bijeenkomst voor Aandeelhouders) for our Dutch investors
scheduled in Amsterdam for 4:00pm on 11 June. Further details along with the
2008 AGM Notice and the 2007 Annual Report, which have been mailed to
shareholders, are now available on the Sopheon website at www.sopheon.com.

In addition, in line with the provisions of the European Union Transparency
Directive, which are applicable for accounting periods starting on or after 20
January 2007, Sopheon intends to issue its first Interim Management Statement
on 15 May 2008.

For further information contact:

Barry Mence, Chairman  Sopheon plc                  Tel : + 44 (0) 1483 685   
                                                    735                       
Arif Karimjee, CFO                                                            
                                                                              
Vikki Krause           Hansard Communications       Tel : + 44 (0) 207 245    
                                                    1100                      
                                                                              
                                                    + 44 (0) 7515 922 906     
                                                                              
Claire Verhagen        Citigate First Financial     Tel : + 31 (0) 205 754 010
                                                                              
David Newton           Seymour Pierce               Tel: + 44 (0) 207 107 8000

About Sopheon plc

Sopheon (LSE: SPE) is an international provider of software and services that
help organizations improve the business impact of product innovation. Sopheon's
solutions automate and govern the innovation process, enabling companies to
increase revenue and profits from new products. 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.