Embargoed for release: 3rd January 2013 at 0700 

                            Northern Petroleum Plc                             
                   ("Northern" or "the Company" (AIM: NOP))                    
                          Guyane GM-ES-3 Well Spudded                          

Northern Petroleum Plc is pleased to announce that GM-ES-3 the second well of
the current four-well programme in the Guyane Maritime Permit (French Guiana),
was spudded by Shell as Operator on 29th December 2012.

This well has been located to test the Priodontes Prospect and provide further
geological data critical to gaining a better understanding of the potential of
this area as a new offshore oil province.

Northern through holding 50 per cent of Northpet Investments Limited, owns a
net 1.25 per cent interest in the offshore exploration licence `Guyane
Maritime'. Northern is in partnership with Shell (Operator, 45%), Total (25%),
Tullow Oil (27.5%), and Wessex Exploration (also a 1.25 per cent holder through
owning the remaining 50 per cent interest in Northpet Investments Limited).

Derek Musgrove, Managing Director of Northern stated:

"The joint venture with Shell, Total, Tullow and Wessex is continuing upon its
vigorous follow up of the successful GM-ES-1 discovery in late 2011. This is
the second well in the four well programme to assess the potential of the
offshore of Guyane as a new oil province. I look forward to updating
shareholders on progress in the coming months".

In accordance with the AIM Rules - Guidance for Mining and Oil & Gas Companies,
the information contained in this announcement has been reviewed and signed off
by the Exploration and Technical Director of Northern, Mr. Graham Heard CGeol.
FGS, who has over 35 years experience as a petroleum geologist. He has
compiled, read and approved the technical disclosure in this regulatory
announcement. The technical disclosure in this announcement complies with the
SPE/WPC standard.

For further information please contact:

Northern Petroleum Plc Tel: +44 (0)20 7469 2900

Derek Musgrove, Managing Director

Graham Heard, Exploration and Technical Director

Westhouse Securities (Nomad and Broker) Tel: +44 (0)20 7601 6100

Richard Baty / Petre Norton - Corporate Finance

Ian Napier - Corporate Broking

FTI Consulting Tel: +44 (0)20 7831 3113

Billy Clegg / Victoria Huxster

Bishopsgate Communications Tel: +44(0)20 7562 3350

Nick Rome

Notes to Editors:

Northern is a full cycle oil and gas company currently holding over 40 licences
in a number of low risk areas and is continuing with its strategy of adding and 
securing value for
shareholders as it engages with projects at all stages of the E&P value chain.
Comprehensive information on Northern and its oil and gas operations, including
all press releases,annual reports and interim reports are available from 
Northern's website at


-0- Jan/03/2013 07:00 GMT

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