Activity Update: Drilling

RNS Number : 3286F

Roc Oil Company Limited

08 October 2008

8 October 2008

ROC OIL COMPANY LIMITED ('ROC')

STOCK EXCHANGE RELEASE

Activity Update: Drilling

Cabinda South Block, Onshore Angola (ROC: 60% & Operator)

Roc Oil (Cabinda) Company, a wholly owned subsidiary of ROC, advises that MAW-1, the first appraisal well in relation to the Massambala heavy oil discovery, has been plugged and abandoned having reached a Total Depth of 455 mBRT.

Preliminary interpretation of data from MAW-1 confirmed a heavy oil column of 9.5m gross pay and reservoir parameters as predicted.

The programme will now continue with the drilling of the second appraisal well before operations are suspended prior to the onset of the rainy season.

Consistent with ROC's established practice regarding its Angolan drilling activity, the Company will only issue public statements at the beginning and end of each drilling operation after the relevant information has been collected and carefully analysed.

Participating Interests in the Cabinda South Block are:

Roc Group Companies (Operator) 60%

Force Petroleum Limited 20%

Sonangol P&P S.A. 20%

In accordance with ASX and AIM Rules, the information in this Release has been reviewed and approved by John Mebberson, General Manager, Exploration, Roc Oil Company Limited, BSc Geology. Mr Mebberson, who is a member of the American Association of Petroleum Geologists, has more than 30 years relevant experience within the industry and consents to the information in the form and context in which it appears.

Matthew Gerber

Manager

Investor Relations & External Affairs

For further information please contact:

Mr Bruce Clement

Chief Executive Officer

Tel: +61-2-8356-2000

Email: bclement@rocoil.com.au

Or visit ROC's website: www.rocoil.com.au

Dr Kevin Hird

General Manager - Business Development

Tel: +44 (0)20 7495 5707/+61 (0)2 8356 2000