RE: Directorate

Costain Group PLC
09 April 2008


Costain Group PLC
('Costain' or the 'Company')


Costain announces the retirement of Mr F W Ballard from the Group Board and his
resignation will take effect from 7 May 2008.

Chairman, David Allvey, commented:

'Bill has served as a director for over 7 years and we will miss him.  We wish
him well for the future.'
                                                                    9 April 2008

Enquiries:

Costain Group PLC                                              Tel: [phone]
Clive L Franks

College Hill                                                  Tel: [phone]
Mark Garraway



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