The Board of Northern Petroleum Plc received notification on 05 April from Credit Suisse Securities (Europe) Limited ("CSSEL") that, as a result of acquisitions on 03 April, CSSEL has an interest in 1,775,000 ordinary shares, which represents 3.29% of the issued ordinary share capital of the Company.

For further details please contact:

Northern Petroleum Plc
Chris Foss, Finance Director
Tel: 020 7743 6080

Investec
Michael Ansell
Andrew Chen
Tel: +44(0)20 7597 5000

Chris Roberts
Ben Simons
Hansard Communications
020 7245 1100