In conformity with the FSA’s Disclosure and Transparency Rules, Northern would like to notify the market of the following:

As of 30 November 2009 the Company's issued share capital consists of 78,885,326 ordinary shares of 5 pence each with voting rights. Northern does not currently hold shares in Treasury. Therefore, the total number of voting rights in Northern is 78,987,248.

The above figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the ordinary shares of Northern under the FSA’s Disclosure and Transparency Rules.

For further information please contact:

Northern Petroleum Plc
Tel: +44 (0) 20 7469 2900/61
Chris Foss, Finance Director
Sophie Hull, Head of Corporate Communications

Bishopsgate Communications (Press)
Tel: +44 (0) 20 7562 3350
Nick Rome / Michael Kinirons

Buchanan Communications (Analysts)
Tel: +44 (0) 20 7466 5000
Tim Thompson / Ben Romney