Perth Basin Western Australia

Roc Oil Company Limited
27 October 2005



27 October 2005


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

                                 ACTIVITY UPDATE
                    PERTH BASIN, OFFSHORE WESTERN AUSTRALIA

Roc Oil (WA) Pty Limited, Operator of exploration permits WA-286-P, WA-325-P,
WA-327-P offshore Western Australia advises that it has taken possession of the
mobile drilling rig, the ENSCO 67 (the 'Rig') to conduct the following
activities:

Exploration Drilling

The exploration well, Flying Foam in WA-327-P is scheduled to commence drilling
on or around 30 October 2005. The well is planned to be drilled to a total depth
of 1,431metres and will take approximately 10 days to drill the well.

Cliff Head A Installation and Development Drilling

Following the drilling of Flying Foam, the Rig will move to WA-286-P to be used
to install the Cliff Head A production platform following which it will commence
drilling of production wells.

In early 2006, the Rig will be used to lift the platform topsides into position.
Development drilling will then recommence and continue until all the development
wells are completed.

Following the completion of Cliff Head development drilling the Rig is planned
to undertake further exploration drilling in the offshore Perth Basin which
includes the drilling of Frankland-1 in WA-286-P.

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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