Activity Update: Drilling

Roc Oil Company Limited
19 March 2008





19 March 2008

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

                           ACTIVITY UPDATE: DRILLING

1.  Block 22/12, Beibu Gulf, Offshore China

Roc Oil (China) Company, a wholly owned subsidiary of ROC, advises that as at
1230 hours (local time) on 14 March 2008, the Wei 6-12E-1A exploration well was
plugged and abandoned as foreshadowed in ROC's Stock Exchange Release dated 11
March 2008.

The review referred to in ROC's Stock Exchange Release dated 11 March 2008 has
been completed. For a variety of operational reasons, the Joint Venture has
decided not to drill the Wei-12-2N-1 well as part of the current drilling
programme.

Participating Interests in the Block 22/12 Joint Venture are:

    Roc Oil (China) Company (Operator).........................40%
    Horizon Oil Limited........................................30%
    Petsec Petroleum*..........................................25%
    Oil Australia Pty Ltd**.....................................5%
    The above interests are subject to Government participation in developments
    of up to 51%
    *a subsidiary of Petsec Energy Ltd **a subsidiary of First Australian 
    Resources

2.  WA-286-P, Perth Basin, Offshore Western Australia

Roc Oil (WA) Pty Limited, a wholly owned subsidiary of ROC, advises that as at
0600 hours (local time) on 19 March 2008, the Premium 'WilCraft' jack-up
drilling rig was still waiting on weather prior to moving to Dunsborough-2, 26
kilometres to the north.

Participating Interests in the WA-286-P Joint Venture are:

    Roc Oil (WA) Pty Limited (Operator)........................37.5%
    AWE Oil (Western Australia) Pty Ltd........................27.5%
    ARC Energy (Offshore PB) Limited...........................30.0%
    CIECO Exploration and Production (Australia) Pty Ltd........5.0%

3.  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 18 March 2008, the Khop-1 exploration well has
been drilled to a depth of 4,158 mBRT.

The forward programme is to continue to drill to the planned Total Depth of
4,320 mBRT.

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%

4.  Blane Oil Field, North Sea

Roc Oil (GB) Limited, a wholly owned subsidiary of ROC, advises that as at 0600
hours (local time) on 17 March 2008, the 'Ocean Princess' rig was preparing to
sidetrack the 30/3a-3 water injection well, consistent with the original
drilling programme.

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%


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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