Update: Offshore Mauritania

Roc Oil Company Limited
12 September 2006



12 September 2006

                         ROC OIL COMPANY LIMITED ('ROC')
                             STOCK EXCHANGE RELEASE

                          EXPLORATION DRILLING UPDATE
                              OFFSHORE MAURITANIA

Further to its Stock Exchange Release on 5 September 2006, ROC advises the
Dana-operated Flamant-1 exploration well in Block 8 has reached a depth of 2,035
metres Below Rotary Table ('mBRT') and the 13 3/8 inch casing has been run and 
set to a depth of 2,030 mBRT. As at 0600 hours (local time) on 11 September 
2006, the current operation was preparing to drill ahead in 12 1/4 inch hole to 
the planned Total Depth of approximately 3,370 mBRT.

Flamant-1 is located in a water depth of 1,414 metres approximately 340 km
north-west of the Chinguetti Oil Field.

On completion of Flamant-1, the Atwood Hunter will drill a second Dana-operated
exploration well, Aigrette-1 in Block 7, before returning the rig to Woodside.

Participating interests include:

+---------------------------+---------+---------+
|          Company          | Block 8 | Block 7 |
+---------------------------+---------+---------+
|Roc Oil group companies    | 2.000%* | 4.950%  |
|* Option to increase to 5% |         |         |
+---------------------------+---------+---------+
|Dana Petroleum (E&P)       | 41.500% | 63.850% |
|Limited                    |         |         |
+---------------------------+---------+---------+
|Wintershall AG             | 25.000% |   --    |
+---------------------------+---------+---------+
|Hardman group companies    | 18.000% | 16.200% |
+---------------------------+---------+---------+
|Woodside group companies   |   --    | 15.000% |
+---------------------------+---------+---------+
|Gaz de France UK B.V       | 13.500% |   --    |
+---------------------------+---------+---------+


Michelle Manook                          For further information please contact:
General Manager - Corporate Affairs                             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]
                                                       Fax:  [phone]
                                                     Email:  [e-mail]
                                                                                
                                                                    Nick Lambert
                                            Bell Pottinger Corporate & Financial
                                                       Tel:  [phone]
                                                                                


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