Activity Update: Drilling

Roc Oil Company Limited
09 April 2008






9 April 2008

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

                           ACTIVITY UPDATE: DRILLING

1. Offshore Mauritania

Roc Oil (Mauritania) Company, a wholly owned subsidiary of ROC, advises that the
Banda NW appraisal well commenced drilling on 2 April 2008. The well is located
approximately 2 kilometres west of the 2002 discovery well, Banda-1 and about 60
kilometres off the Mauritanian coast. As at 0600 hours (local time) on 8 April
2008, Banda NW was at a depth of 1,055 mBRT where the 13-3/8' casing had been
set.

The forward operation is to drill ahead to a planned Total Depth of 2,692 mBRT.

The well is in a water depth of approximately 327 metres in PSC Area B.

Participating Interests in the PSC Area B Joint Venture are:

    ROC Group Companies...................................................3.693%
    PC Mauritania I Pty Ltd (Operator)...................................53.846%
    Tullow Oil plc.......................................................21.600%
    Mauritania Holdings B.V..............................................11.630%
    Premier Oil Mauritania B Limited......................................9.231%

2. Blane Oil Field, North Sea

Roc Oil (GB) Limited, a wholly owned subsidiary of ROC, advises that as at 0600
hours (local time) on 8 April 2008, the 'Ocean Princess' rig was in the process
of completing the 30/3a-3Z sidetrack water injection well.

Unitised Interests in the Blane Oil Field are:

    Roc Oil (GB) Limited...................................................12.5%
    Talisman Energy (UK) Limited...........................................25.0%
    Talisman Energy Norge AS...............................................18.0%
    MOC Exploration (UK) Limited (a subsidiary of Nippon Oil Corporation)..14.0%
    ENI UK Limited.........................................................13.9%
    ENI ULX Limited.........................................................4.1%
    Bow Valley Petroleum (UK) Limited......................................12.5%


In accordance with ASX and AIM Rules, the information in this Release has been
reviewed and approved by Dr John Doran, Chief Executive Officer, Roc Oil Company
Limited, BSc (Hons) Geology, MSc and PhD. Dr Doran, who is a member of the
Society of Petroleum Engineers, has more than 30 years of relevant experience
within the industry and consents to the information in the form and context in
which it appears.


Damian Fisher
General Manager
External Affairs & Investor Relations

                                         For further information please contact:
                                                                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]
                                     Mob: [phone]
                                                     Email:  [e-mail]
                                                                                
                                                                    Michael Shaw
                                    Oriel Securities Limited (Nominated Adviser)
                                                       Tel:  [phone]
                                                                                
                                                                     Bobby Morse
                                                         Buchanan Communications
                                                       Tel: + 44 (0)20 7466 5000
                                                       Fax: + 44 (0)20 7466 5001
                                                  E-Mail: [e-mail]
                                                        Mob: [phone]
                                                                                


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