Holding(s) in Company

Roc Oil Company Limited
13 December 2005


12 December 2005

                    Roc Oil Company Limited ('The Company')
                               (ACN 075 965 856)

                            Substantial Shareholders

The Company has been notified of the following substantial shareholdings:

-   As at 8 December 2005, AMP Limited and its affiliates held 9,432.520 fully
    paid ordinary shares in the Company, representing 5.02 % 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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