Director/PDMR Shareholding

The following announcement replaces the announcement released today at 10.58.
The heading of "Notifiable Interest" has been amended to "Director's
Shareholding" and the price paid for the shares being 8.3p has now been
included.

                                                               21 December 2007

                                 PipeHawk Plc                                  

                         ("PipeHawk" or the "Company")                         

                              Notifiable interest                              

The Company received notification today that, following a purchase on 20
December 2007 of 40,000 ordinary shares in the Company at 8.3p, representing
0.15 per cent. of the issued voting share capital of PipeHawk, Randal
McDonnell, non-executive director of the Company, holds 829,216 ordinary shares
in the Company, representing 3.08 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