Holding(s) in Company

Camco International Ltd
11 April 2007


                          Camco International Limited
                                (the 'Company')

                               Holding in Company


The Company received notification on 10 April 2007 from Tudor Capital (U.K.)
L.P. that Tudor BVI Global Portfolio Ltd and Tudor Proprietary Trading LLC are
interested in 20,031,666 ordinary shares of €0.01 each in the Company ('Ordinary
Shares'), representing approximately 14.40 percent of the Company's issued
ordinary share capital. The interests are registered as follows:

                                        Shareholding in      Percentage of
                                            the Company       issued share
                                                            capital of the
                                                                   Company

The Tudor BVI Global Portfolio Ltd           15,999,666              11.50
The Tudor Proprietary Trading LLC             4,032,000               2.90

Total                                        20,031,666              14.40


Enquiries:


Camco International Limited                              020 7256 7979

Scott McGregor, Group Chief Financial Officer


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