Update: Exploration/Appraisal

Roc Oil Company Limited
27 February 2008


27 February 2008

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

            DRILLING ACTIVITY UPDATE: EXPLORATION/APPRAISAL DRILLING

1.   Block 22/12, Beibu Gulf, Offshore China (ROC: 40% & Operator)

Roc Oil (China) Company, a wholly owned subsidiary of ROC, advises that as at
0600 (local time) on 27 February 2008, the Wei-6-12E-1A well had been drilled to
986 mBRT and 133/8' casing was run and cemented.

The current operation is preparing to test the Blow Out Preventer prior to
drilling the next 121/4' hole section.

Wei 6-12E-1A, the second of the planned three well exploration/appraisal
programme in Block 22/12, Beibu Gulf, offshore China, is expected to reach the
proposed Total Depth of approximately 2,520 mBRT by early March 2008.

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

Roc Oil (China) Company................................. 40% (Operator)
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: 37.5% & Operator)

Roc Oil (WA) Pty Limited, a wholly owned subsidiary of ROC, advises that as at
0600 hours (local time) on 27 February 2008, the Premium 'WilCraft' jack-up
drilling rig had drilled the Frankland-2 appraisal well to a depth of 2,247
mBRT.

Frankland-2, an appraisal well approximately one kilometre northeast of the 2007
gas discovery, Frankland-1, is the second well exploration/appraisal programme
in the region. Frankland-2 is scheduled to reach the proposed Total Depth of
approximately 2,278 metres by the end of February 2008.

Following the drilling of Frankland-2, ROC and the Joint Venture plan to drill a
Dunsborough-2 appraisal well which is targeted to appraise the Dunsborough oil
discovery made in 2007.

Participating Interests in the WA-286-P joint venture are:

Roc Oil (WA) Pty Limited................................ 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.   Offshore Mauritania - PSC Area C, Block 6 (ROC: 5%)

Roc Oil (Mauritania) Company, a wholly owned subsidiary of ROC, advises that as
at 0600 hours (local time) on 26 February 2008, the Atwood 'Hunter' drilling rig
had drilled the Khop-1 exploration well to 1896 mBRT where the 20' casing had
been run and cemented.

The forward programme is to run the Blow Out Preventer prior to drilling ahead.

The well is located approximately 70 kilometres off the Mauritanian coast.

Participating Interests in the PSC Area C, Block 6 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 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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