ROC Oil to P&A Western Australian Appraisal Well

Roc Oil (WA) Pty Limited advises that since its last Stock Exchange Release on April 1, 2008, the Dunsborough-2 appraisal well in WA-286-P in the offshore Perth Basin, Western Australia has completed wireline logging operations. The pressure and fluid sampling programs have confirmed that the cored section in which oil shows were noted does not contain producible hydrocarbons. As of 6AM (local time) on April 2, 2008 the current operation was preparing to plug and abandon the well.

Participating Interests in the WA-286-P Joint Venture are: Roc Oil (WA) Pty Limited (Operator), 37.5%; ARC Energy (Offshore PB) Limited, 30.0%; AWE Oil (Western Australia) Pty Ltd., 27.5%; CIECO Energy Australia Pty Ltd., 5.0%.