Transaction in Own Shares

Balfour Beatty PLC
17 August 2006


Balfour Beatty plc

17 August 2006

Purchase of Cumulative Convertible Redeemable Preference Shares of 1p

Balfour Beatty plc announces that it has today purchased for cancellation
763,250 Cumulative Convertible Redeemable Preference shares from JPMorgan
Cazenove Limited at a price of 149.75p per share.

Enquiries:

Tim Sharp               Balfour Beatty plc                 020 7216 6800
Robert Constant         JPMorgan Cazenove Limited          020 7588 2828


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