Exploration Update-Mauritania

Roc Oil Company Limited
19 September 2006


19 September 2006

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

                          EXPLORATION DRILLING UPDATE
                              OFFSHORE MAURITANIA

Further to its Stock Exchange Release on 12 September 2006, ROC advises that the
Dana-operated Flamant-1 exploration well in Block 8 has reached a depth of 3,299
metres Below Rotary Table ('mBRT'). As at midnight (local time) on 18 September
2006 the current operation was preparing to run wireline logs.

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 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%  |   --    |
               +---------------------------+---------+---------+

                                         For further information please contact:
Michelle Manook                                                 Dr John Doran on
General Manager - Corporate Affairs                         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]
                                                                                


                      This information is provided by RNS
            The company news service from the London Stock Exchange