Announcement of Prelims Date

Costain Group PLC
03 March 2003


                              COSTAIN GROUP PLC

                     Announcement of Preliminary Results


Costain Group will be announcing preliminary results for the year ended 
31 December 2002 on Wednesday 26 March, 2003.

There will be an analyst presentation that morning at 11:00 at College Hill, 4th
Floor, 78 Cannon Street, London, EC4. The presentation will be available on the
company's website, www.costain.com later that day.


                                                                    3 March 2003

Enquiries:

College Hill                                                  Tel: [phone]
Matthew Gregorowski


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