UK: Willows-1 & Blane

Roc Oil Company Limited
24 May 2006


24 May 2006

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

                              UK DRILLING UPDATE:
            WILLOWS-1 EXPLORATION WELL & BLANE OIL FIELD DEVELOPMENT

1.   Willows-1, PEDL030, Onshore UK (ROC: 100%)

As at 2100 hours (UK time) on 23 May 2006, the current operation at the
Willows-1 exploration well was drilling ahead at 1,912 metres. Proposed Total
Depth is 2,500 metres.

Willows-1 is a potentially large gas prospect located about 55 km east of York
and 15 km south of Scarborough.

2.   Blane Oil Field, North Sea, Offshore UK (ROC: 12.5%)

Batch drilling of the upper hole sections of the three Blane development wells
continues. The two planned horizontal production wells will then be drilled to
Total Depth and completed. The third well, a water injector, will be completed
in 2007.

Please note that future reporting for Blane development drilling will be made
when key milestones are achieved.

The Blane Field Joint Venture (unitised across UK/Norway median line) comprises:

                                          Equity
Roc Oil (GB) Limited                     12.501%
Talisman Expro Limited (Operator)        25.002%
Bow Valley Petroleum (UK) Ltd            12.501%
Eni UK Limited                           13.897%
Eni ULX Limited                           4.105%
MOC Exploration (U.K.) Ltd               13.994%
Talisman Energy Norge AS                 18.000%

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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