Activity Update - Drilling

Roc Oil Company Limited
16 April 2008




16 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 as
0600 hours (local time) on 15 April 2008, the Banda NW appraisal well had
reached a Total Depth of 2,703 mBRT and a wireline logging programme is
underway.

Following completion of the wireline logging at Banda NW, the Atwood 'Hunter'
will move to the Chinguetti Oil and Gas Field where it will carry out a
programme of planned well interventions and drill two new production wells.

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 15 April 2008, the 'Ocean Princess' rig was in the final
stages of completing the 30/3a-3Z sidetrack water injection well.

The forward programme is to conduct injectivity tests which are expected to be
completed by the end of April 2008.

Unitised Interests in the Blane Oil Field are:

Roc Oil (GB) Limited................................................ 12.5%
Talisman Energy (UK) Limited (Operator) ............................ 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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