REG-Northern Petroleum PLC: Holding(s) in Company

For immediate release: 15 January 2008

Northern Petroleum Plc

("Northern" or "the Company")

Notification of Shareholding

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

Northern Petroleum Plc

2. Reason for the notification (please place an X inside the appropriate
bracket/s):

An acquisition or disposal of voting rights: ( X )

An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: (
)

An event changing the breakdown of voting rights: ( )

Other (please specify): ( )

3. Full name of person(s) subject to the notification obligation:

The Royal Bank of Scotland Group plc

4. Full name of shareholder(s) (if different from 3.):

ABN AMRO Bank N.V

5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

10/01/08

6. Date on which issuer notified:

11/01/08

7. Threshold(s) that is/are crossed or reached:

4%

8. Notified details:

……………..

A: Voting rights attached to shares

Class/type of shares if possible Situation previous to the
using the ISIN CODE Triggering transaction

Number of Number of voting
shares Rights
GB00B0D47T64
2,825,000 2,825,000

Resulting situation after the triggering transaction

Class/type of shares if possible Number of Number of voting % of voting
using the ISIN CODE shares rights rights

Direct Direct Indirect Direct Indirect

GB00B0D47T64 2,975,000 0 4.20 0.00
2,975,000

B: Financial Instruments

Resulting situation after the triggering transaction

Type of Expiration Exercise/ Number of voting rights that may be % of
financial Date Conversion acquired if the instrument is voting
instrument Period/ Date exercised/ converted. rights

Total (A+B)

Number of voting % of voting
rights rights

2,975,000 4.20

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:

The Royal Bank of Scotland Group Plc

RFS Holdings N.V.

ABN AMRO Holding N.V.

ABN AMRO Bank N.V.

Proxy Voting:

10. Name of the proxy holder:

……………..

11. Number of voting rights proxy holder will cease to hold:

……………..

12. Date on which proxy holder will cease to hold voting rights:

……………..

13. Additional information:

……………..

14. Contact name:

Chris Foss, Finance Director

15. Contact telephone number:

020 7469 2900

---ENDS---

Notes to Editors:

Further information on Northern is available at www.northpet.com.

END