RNS Number:0251D
Roc Oil Company Limited
16 May 2006



16 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% & Operator)

As at 1800 hours (UK time) on 15 May 2006, the Willows-1 exploration well had
been drilled to a depth of 1,528 metres and the current operation was running 
7 5/8 inch intermediate casing. 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%)

ROC, as a participant in the Blane Oil Field Development Project ("the
Project"), is pleased to advise that development drilling commenced on 13 May
2006.

In a drilling programme expected to take approximately 4 months, the Operator,
Talisman, will batch drill the upper hole sections of the three development
wells and then drill to Total Depth and complete the two planned horizontal
production wells. The third well, a water injector, will be completed in 2007.

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%
MOC Exploration (U.K.) Ltd               13.994%
Eni UK Limited                           13.897%
Eni ULX Limited                           4.105%
Bow Valley Petroleum (UK) Ltd            12.501%
Talisman Energy Norge AS                 18.000%


Michelle Manook                          For further information please contact:
General Manager - Corporate Affairs                             Dr John Doran on
                                                            Tel: +61-2-8356-2000
                                                            Fax: +61-2-9380-2635
                                                     Email: jdoran@rocoil.com.au
                                      Or visit ROC's website:  www.rocoil.com.au




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

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