Drilling Update: Mauritania

Roc Oil Company Limited
25 March 2008




25 March 2008


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

    DRILLING UPDATE: KHOP-1 EXPLORATION WELL, PSC AREA C, BLOCK 6, OFFSHORE
                                  MAURITANIA

Roc Oil (Mauritania) Company, a wholly owned subsidiary of ROC, advises that as
at 0600 hours (local time) on 24 March 2008, the Khop-1 exploration well was
drilled to a Total Depth of 4,265 mBRT. The well is being plugged and abandoned
after encountering thin sands with oil shows that are not considered to be of
commercial consequence.

The Khop-1 exploration well is located approximately 70 kilometres from the
Mauritanian coast.

Participating Interests in the PSC Area C, Block 6 Joint Venture are:

    Roc Oil (Mauritania) Company........................5.000%
    PC Mauritania I Pty Ltd (Operator).................37.578%
    Petronas Carigali Overseas Sdn Bhd.................35.000%
    Tullow Oil plc.....................................22.422%

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 that 30 years 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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