June 21, 1999

MMRL Shareholders Approve Take-over Transaction

Morrison Middlefield Resources Limited ("MMRL") is pleased to announce that it's shareholders have approved the Plan of Arrangement with Roc Oil Company Limited ("ROC"). Subject to conditions of the Arrangement Agreement being satisfied, closing of the transaction may occur as early as July 21, 1999 and in any event no later than July 30, 1999.

Shareholders of MMRL are requested to tender their shares in accordance with the instructions provided in the Management Information Circular dated May 20, 1999. If shareholders have questions regarding tendering shares or other matters relating to this transaction please contact either your financial adviser or the Company.

For further information contact: