| Block / Subarea | Licence | Operator | Operator's Group | Equity Holder | Equity Holder's Group | Interest | 
SE30a ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE30a BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE31a ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE31a BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE31b ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE31b BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE31c ALL | PEDL273 | DART ENERGY (WEST ENGLAND) LIMITED | STAR ENERGY GROUP PLC | DART ENERGY (WEST ENGLAND) LIMITED | STAR ENERGY GROUP PLC | 55 | 
 |  |  |  | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 15 | 
 |  |  |  | INEOS UPSTREAM LIMITED | INEOS INDUSTRIES | 30 | 
|   | 
SE32a ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE32a BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE40a ABOVE SMB
   | PEDL11 | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE40a BELOW SMB
   | PEDL11 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE40b ABOVE SMB
   | PEDL11 | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE40b BELOW SMB
   | PEDL11 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE40c ABOVE SMB
   | PEDL11 | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE40c BELOW SMB
   | PEDL11 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE40d ABOVE SMB
   | PEDL11 | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE40d BELOW SMB
   | PEDL11 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE40e ABOVE SMB
   | PEDL11 | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE40e BELOW SMB
   | PEDL11 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE41a ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE41a BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE41b ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE41b BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE41c ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE41c BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE41d ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE41d BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE41e ALL | PEDL273 | DART ENERGY (WEST ENGLAND) LIMITED | STAR ENERGY GROUP PLC | DART ENERGY (WEST ENGLAND) LIMITED | STAR ENERGY GROUP PLC | 55 | 
 |  |  |  | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 15 | 
 |  |  |  | INEOS UPSTREAM LIMITED | INEOS INDUSTRIES | 30 | 
|   | 
SE42a ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE42a BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE42b ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE42b BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE42c ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE42c BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE42d ABOVE SMB
   | PEDL37 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE42d BELOW SMB
   | PEDL37 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE50a ABOVE SMB
   | PEDL11 | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE50a BELOW SMB
   | PEDL11 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE51b ALL | PEDL278 | DART ENERGY (WEST ENGLAND) LIMITED | STAR ENERGY GROUP PLC | DART ENERGY (WEST ENGLAND) LIMITED | STAR ENERGY GROUP PLC | 50 | 
 |  |  |  | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 50 | 
|   | 
SE51c ABOVE SMB
   | PL161 | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE51c BELOW SMB
   | PL161 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 100 | 
|   | 
SE52 ALL | PEDL279 | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | ALKANE ENERGY UK LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE60a ABOVE SMB
   | PEDL169 | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | REGENT PARK ENERGY LIMITED | INFINIS ENERGY | 100 | 
|   | 
SE60a BELOW SMB
   | PEDL169 | DART ENERGY (WEST ENGLAND) LIMITED | STAR ENERGY GROUP PLC | DART ENERGY (WEST ENGLAND) LIMITED | STAR ENERGY GROUP PLC | 80 | 
 |  |  |  | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 20 | 
|   | 
SE60b ALL | PL161 | SCOTTISHPOWER ENERGY MANAGEMENT LIMITED | SCOTTISH POWER UK PLC | SCOTTISHPOWER ENERGY MANAGEMENT LIMITED | SCOTTISH POWER UK PLC | 100 | 
|   | 
SE64b ALL | EXL250 | HARWORTH POWER (GENERATION) LIMITED | VELOX POWER | HARWORTH POWER (GENERATION) LIMITED | VELOX POWER | 100 | 
|   | 
SE70a ALL | PL162 | SCOTTISHPOWER ENERGY MANAGEMENT LIMITED | SCOTTISH POWER UK PLC | SCOTTISHPOWER ENERGY MANAGEMENT LIMITED | SCOTTISH POWER UK PLC | 100 | 
|   | 
SE80b ALL | PL162 | SCOTTISHPOWER ENERGY MANAGEMENT LIMITED | SCOTTISH POWER UK PLC | SCOTTISHPOWER ENERGY MANAGEMENT LIMITED | SCOTTISH POWER UK PLC | 100 | 
|   | 
SE87d ALL | PL81 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | CUADRILLA NORTH CLEVELAND LIMITED | CUADRILLA RESOURCES | 25 | 
 |  |  |  | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 75 | 
|   | 
SE88b ALL | PEDL120 | INEOS UPSTREAM LIMITED | INEOS INDUSTRIES | INEOS UPSTREAM LIMITED | INEOS INDUSTRIES | 100 | 
|   | 
SE90a ALL | PEDL180 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 30 | 
 |  |  |  | EUROPA OIL & GAS LIMITED | EUROPA OIL AND GAS | 30 | 
 |  |  |  | UNION JACK OIL PLC | UNION JACK OIL PLC | 40 | 
|   | 
SE91b ALL | PEDL182 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 30 | 
 |  |  |  | EUROPA OIL & GAS LIMITED | EUROPA OIL AND GAS | 30 | 
 |  |  |  | UNION JACK OIL PLC | UNION JACK OIL PLC | 40 | 
|   | 
SE91d ALL | DL1 | EUROPA OIL & GAS LIMITED | EUROPA OIL AND GAS | EUROPA OIL & GAS LIMITED | EUROPA OIL AND GAS | 100 | 
|   | 
SE93 ALL | PEDL183 | RATHLIN ENERGY (UK) LIMITED | RATHLIN ENERGY | RATHLIN ENERGY (UK) LIMITED | RATHLIN ENERGY | 66.67 | 
 |  |  |  | REABOLD RESOURCES PLC | REABOLD RESOURCES | 16.665 | 
 |  |  |  | UNION JACK OIL PLC | UNION JACK OIL PLC | 16.665 | 
|   | 
SE96b ALL | PL81 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | CUADRILLA NORTH CLEVELAND LIMITED | CUADRILLA RESOURCES | 25 | 
 |  |  |  | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 75 | 
|   | 
SE97b ALL | PL81 | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | CUADRILLA NORTH CLEVELAND LIMITED | CUADRILLA RESOURCES | 25 | 
 |  |  |  | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 75 | 
|   | 
SE98b ALL | PEDL120 | INEOS UPSTREAM LIMITED | INEOS INDUSTRIES | INEOS UPSTREAM LIMITED | INEOS INDUSTRIES | 100 | 
|   | 
SE99a ALL | PEDL343 | EUROPA OIL & GAS LIMITED | EUROPA OIL AND GAS | EGDON RESOURCES U.K. LIMITED | HEYCO ENERGY GROUP | 40 | 
 |  |  |  | EUROPA OIL & GAS LIMITED | EUROPA OIL AND GAS | 40 | 
 |  |  |  | PETRICHOR ENERGY UK LIMITED | HEYCO ENERGY GROUP | 20 |