Licence E390 E391 E392 E394 E395 E396 E397 E398 E399 E400 E401 E402 E403 E404 E405 E406 E407 E408 E409 E410 E411 E412 E413 E414 E415 E416 E417 E418 E419 E420 E421 E422 E423 E424 E425 E426 E427 E428 E429 RECENT AND CURRENT EXPLORATION LICENCES Licensee Start date Expiry date PGS Exploration (UK) Limited 1 March 2004 28 February 2007 Total E&P UK plc 23 September 2004 22 September 2007 Statoil (U.K.) Limited 1 March 2005 28 February 2008 Century Exploration (UK) Limited 21 March 2005 20 March 2008 Veritas DGC Limited 21 March 2005 20 March 2008 Mobil North Sea Limited 1 March 2006 28 February 2009 InSeis AS 1 June 2006 31 May 2009 WesternGeco Limited 15 August 2006 14 August 2009 Enovation Resources Ltd 1 November 2006 31 October 2009 TGS-NOPEC Geophysical Company (UK) Ltd 10 November 2006 9 November 2009 Granby Enterprises Limited 23 January 2007 22 January 2010 OHM Limited 1 June 2007 31 May 2010 GX Technology Corporation 1 August 2007 31 July 2010 Fugro Multi Client Services (UK) Limited 1 March 2008 28 February 2011 Nautical Petroleum Plc 1 September 2008 30 August 2011 Statoil (U.K) Limited 1 January 2009 31 December 2012 Veritas DGS Ltd 20 April 2009 19 April 2012 BP Exploration Operating Company Ltd 25 June 2009 24 June 2012 Polarcus UK Ltd 1 February 2010 31 January 2013 Hurricane Exploration Plc 18 February 2010 17 February 2013 PGS Exploration 18 February 2010 17 February 2013 PA Resources UK Ltd 6 May 2010 5 May 2013 Caithness Oil Ltd 24 May 2010 23 May 2013 RWE Dea UK SNS Ltd 3 June 2010 2 June 2013 Enquest Dons limited 8 July 2010 7 July 2013 Ikon Science Ltd 1 November 2010 31 Oct 2013 Progressive Energy Limited 24 November 2010 23 Nov 2013 WesternGeco Limited 10 Jan 2011 9 Jan 2014 Dolphin Geophysical Ltd 4 Feb 2011 3 Feb 2014 Polarcus MC Ltd 23 March 2011 22 March 2014 National Grid Carbon Ltd 23 August 2011 22 August 2014 CGG Veritas Services (UK) Ltd 6 March 2012 5 March 2015 Polarcus Seismic Ltd 23 February 2012 22 February 2015 Fugro Survey Ltd 24 February 2012 23 February 2015 Total E&P UK Limited 15 May 2012 14 May 2015 JX Nippon Exploration and Production (UK) 16 May 2012 15 May 2015 Limited Statoil (UK) Limited/Statoil Exploration UK 16 July 2012 15 July 2012 EMGS ASA 16 July 2012 15 July 2012 TGS-NOPEC Geophysical Company (UK) Ltd 10 November 2012 9 November 2015 Revised expiry date 28 February 2010 22 September 2010 9 November 2012 28 February 2014 24 June 2015 Notes 1. Exploration Licences last for three years with an option of a single three-year extension. The column headed ‘Expiry Date’ shows the renewal date if the licence is still in, or if the licence was allowed to expire at the end of, its first three-year term. If the licence has been extended, the revised expiry date appears in the column headed ‘Expiry date after renewal’ 2. Exploration licences from E410 onwards incorporated those Model Clauses that were set out in the Offshore Gas Storage and Unloading (Licensing) Regulations 2009 (2813/2009). Page 1