2006 Financial Calendar

Costain Group PLC
18 April 2006

Costain Group PLC

('Costain' or 'the Company')



2006 financial calendar reporting dates





The Board has agreed the following reporting dates through to the end of the
current financial year:





2006



Annual General Meeting & trading update        Thursday 27 April

Half year pre-close trading update             Friday 30 June

Interim results                                Wednesday 30 August



                                                                   18 April 2006





Enquiries:

College Hill
Matthew Gregorowski    020 7457 2020        [e-mail]





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