Holding(s) in Company

6 November 2007

                         PipeHawk Plc ("the Company")                          

                              Notifiable interest                              

The Company received notification on 5 November 2007 that, following a
transaction on 2 November 2007, MF Global UK Limited holds 845,000 ordinary
shares in the Company, representing 3.14 per cent. of the issued voting share
capital of the Company.

PipeHawk Plc                                                       01420 590990
                                                                               
Gordon Watt (Chairman)                                                         
                                                                               
John East & Partners Limited                                      020 7628 2200
                                                                               
Simon Clements