The Company announces that, following the exercise of warrants to subscribe for ordinary shares, it has made an application pursuant to the authority granted on 5 August 2005 for the admission of 300,000 Ordinary Shares of 5 pence each to trading on AIM. Each new ordinary share will rank pari passu with existing ordinary shares. Following the admission, the total number of ordinary shares in issue will be 54,231,117.

It is expected that dealings in the said shares will commence on 3 May 2006.

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