Appt of Corporate Broker

Costain Group PLC
24 June 2003


                               COSTAIN GROUP PLC

                       Appointment of Corporate Broker


Costain, the international engineering and construction group, announces that it
has appointed Arbuthnot Securities as Corporate Broker to the Company with
immediate effect.  Close Brothers Corporate Finance was appointed Financial
Adviser last year.

Costain, which is midway through a three-year recovery strategy, recently
announced a strong increase in profit before tax - up 30% at £11.3m - and a
return to UK operating profitability in the year ended 31 December 2002.


                                                                    24 June 2003

ENQUIRIES:

Costain Group PLC                                              Tel: [phone]
Charles McCole, Finance Director
Graham Read, Public Relations

College Hill                                                  Tel: [phone]
Mark Garraway
Matthew Gregorowski


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