Substantial ShareholderNotice

4 Apr 2008 07:01

Roc Oil Company Limited04 April 2008 Roc Oil Company Limited ("The Company" or "ROC") Substantial Shareholder Notice On 4 April 2008, the Company was notified of the following change in substantialshareholding: - As at 1 April 2008, JPMorgan Chase & Co and its affiliates held 37,344,802 fully paid ordinary shares in the Company, representing 12.49% of the total issued share capital of the Company. For further information please contact:Dr John Doran onTel: +61-2-8356-2000Fax: +61-2-9380-2635Email: jdoran@rocoil.com.auOr visit ROC's website: www.rocoil.com.au Dr Kevin HirdGeneral Manager - Business DevelopmentTel: +44 20 7495 5707/+61 2 8356 2000Mob: +44 775136 7149/+61 417 261 727Email: khird@rocoil.com.au Michael ShawOriel Securities Limited (Nominated Adviser)Tel: +44 (0)20 7710 7600 Bobby MorseBuchanan CommunicationsTel: + 44 (0)20 7466 5000Fax: + 44 (0)20 7466 5001E-Mail: bobbym@buchanan.uk.comMob: +44 (0)7802 875 227 This information is provided by RNS The company news service from the London Stock Exchange