Holding(s) in Company

Roc Oil Company Limited
03 October 2006


3 October 2006

                    Roc Oil Company Limited ('The Company')
                              (ABN 32 075 965 856)

                         Substantial Shareholder Notice

The Company has been notified of the following change in substantial
shareholding:

- As at 26 September 2006, JPMorgan Chase & Co and its affiliates held 
22,858,223 fully paid ordinary shares in the Company, representing 10.56% of the
total issued share capital of the Company.


For further information please contact:

Dr John Doran
Tel: [phone]
Fax: [phone]
E-mail: [e-mail]
Or visit ROC's website: www.rocoil.com.au

Dr Kevin Hird
General Manager Business Development
Tel: [phone]
Fax: [phone]
Email: [e-mail]

Nick Lambert
Bell Pottinger Corporate & Financial
Tel: [phone]




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