Holding(s) in Company

Roc Oil Company Limited
17 September 2007





                Roc Oil Company Limited ('The Company' or 'ROC')

                         Substantial Shareholder Notice



On 14 September 2007, the Company was notified of the following change in
substantial shareholding:

     -     As at 10 September 2007, Commonwealth Bank of Australia and its 
           affiliates held 15,255,003 fully paid ordinary shares in the Company, 
           representing 5.11% of the total issued share capital of the Company.



For further information please contact:

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

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

Michael Shaw
Oriel Securities Limited (Nominated Adviser)
Tel:  [phone]




                      This information is provided by RNS
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