PERENCO UK LIMITED (04653066), SPIRIT ENERGY RESOURCES LIMITED (02855151)

EQUINOR UK LIMITED (01285743), ITHACA SP O&G LIMITED (09858988), NEO ENERGY PETROLEUM LIMITED (03288689), ONE-DYAS E&P LIMITED (04024945)
EQUINOR ASA, ITHACA ENERGY, NEO ENERGY GROUP, ONE-DYAS
STATOIL (U.K.) LIMITED, SAGA PETROCHEMICALS (U.K.) LIMITED, SAGA PETROKJEMI (U.K.) LIMITED

THE SHELL COMPANY OF THE UNITED KINGDOM LIMITED, SHELL REFINING AND MARKETING COMPANY LIMITED, SHELL MARKETING COMPANY, LIMITED

APACHE BERYL I LIMITED (FC005975), CHRYSAOR LIMITED (06418649)
MOBIL NORTH SEA LIMITED, MOBIL NORTH SEA LLC, MOBIL NORTH SEA LIMITED

ANASURIA HIBISCUS UK LIMITED (09696268), CALDERA PETROLEUM (UK) LTD (11598555), IRANIAN OIL COMPANY (U.K.) LIMITED (01019769), SERICA ENERGY (UK) LIMITED (04073712)
ABAN OFFSHORE, FCM TRUST, HIBISCUS PETROLEUM, SERICA ENERGY
ANASURIA HIBISCUS UK LIMITED (09696268), SERICA ENERGY (UK) LIMITED (04073712)
PETROLEUM DEVELOPMENT ASSOCIATES (UK) LIMITED, PETROLEUM DEVELOPMENTS ASSOCIATES (UK) LIMITED

ENI UKCS LIMITED (01019748), PREMIER OIL UK LIMITED (SC048705), TOTALENERGIES E&P UK LIMITED (00811900)
ENI UK LIMITED, HARBOUR ENERGY PLC, TOTALENERGIES UPSTREAM UK LIMITED
TOTAL E&P UK LIMITED, TOTAL E&P UK PLC, TOTALFINAELF EXPLORATION UK PLC, TOTAL OIL MARINE PLC, TOTAL OIL MARINE LIMITED

PETROLEUM DEVELOPMENT ASSOCIATES (UK) LIMITED, PETROLEUM DEVELOPMENTS ASSOCIATES (UK) LIMITED

DART ENERGY (FORTH VALLEY) LIMITED, COMPOSITE ENERGY (FORTH VALLEY) LIMITED, MM&S (5084) LIMITED

DANA PETROLEUM (E&P) LIMITED (02294746), ENQUEST HEATHER LIMITED (02748866)
LUNDIN HEATHER LIMITED, DNO HEATHER LIMITED, UNOCAL BRITAIN LIMITED, YEARNRARE LIMITED

APACHE BERYL I LIMITED (FC005975), PREMIER OIL E&P UK LIMITED (02761032), ROCKROSE UKCS4 LIMITED (02552901)
APACHE CORPORATION, HARBOUR ENERGY PLC, ROCKROSE ENERGY
APACHE BERYL I LIMITED (FC005975), PREMIER OIL E&P UK LIMITED (02761032)
MOBIL NORTH SEA LIMITED, MOBIL NORTH SEA LLC, MOBIL NORTH SEA LIMITED

CHRYSAOR (U.K.) SIGMA LIMITED (07832693), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), ITHACA MA LIMITED (03947050)
CONOCOPHILLIPS (U.K.) LIMITED, CONOCO (U.K.) LIMITED, CONTINENTAL OIL HOLDINGS LIMITED, CONTINENTAL OIL LIMITED, JET PETROLEUM LIMITED

VIKING UK GAS LIMITED, TULLOW UK GAS LIMITED, PERENCO U.K. LIMITED, KELT U.K. LIMITED, TAYLOR WOODROW ENERGY LIMITED

INEOS E&P (UK) LIMITED (04376184), KISTOS ENERGY LIMITED (12859749), ROCKROSE UKCS 10 LIMITED (04105025), TOTALENERGIES E&P UK LIMITED (00811900)
INEOS INDUSTRIES, KISTOS PLC, ROCKROSE ENERGY, TOTALENERGIES UPSTREAM UK LIMITED
TOTAL E&P UK LIMITED, TOTAL E&P UK PLC, TOTALFINAELF EXPLORATION UK PLC, TOTAL OIL MARINE PLC, TOTAL OIL MARINE LIMITED

SPIRIT ENERGY NORTH SEA LIMITED (04594558)
CENTRICA NORTH SEA LIMITED, CENTRICA (HORNE & WREN) LIMITED, HAWKEYE EXPLORATION LIMITED

ENI UK LIMITED (00862823), PERENCO GAS (UK) LIMITED (00715529)
AGIP (U.K.) LIMITED, AGIP EXPLORATION (U.K.) LIMITED

COTWOGAS LIMITED, BDO STOY HAYWARD (2003) LIMITED

CNR INTERNATIONAL (U.K.) DEVELOPMENTS LIMITED (01021629), CNR INTERNATIONAL (U.K.) LIMITED (00813187)
RANGER OIL (U.K.) LIMITED, RANGER OIL (UK) PLC, RANGER OIL (U.K.) LIMITED

E. F. OIL AND GAS LIMITED (03430228), ENI ELGIN/FRANKLIN LIMITED (03772746), ITHACA SP E&P LIMITED (01504603), NEO ENERGY PETROLEUM LIMITED (03288689), ONE-DYAS E&P LIMITED (04024945), PREMIER OIL UK LIMITED (SC048705), TOTALENERGIES E&P UK LIMITED (00811900), TOTALENERGIES OFFSHORE UK LIMITED (00946986)
ENI UK LIMITED, HARBOUR ENERGY PLC, ITHACA ENERGY, NEO ENERGY GROUP, ONE-DYAS, TOTALENERGIES UPSTREAM UK LIMITED
TOTAL E&P UK LIMITED, TOTAL E&P UK PLC, TOTALFINAELF EXPLORATION UK PLC, TOTAL OIL MARINE PLC, TOTAL OIL MARINE LIMITED

ENQUEST HEATHER LIMITED (02748866), WALDORF CNS (II) LIMITED (04922555)
LUNDIN HEATHER LIMITED, DNO HEATHER LIMITED, UNOCAL BRITAIN LIMITED, YEARNRARE LIMITED

HARTSHEAD RESOURCES LTD (11971748), ROCKROSE (UKCS2) LIMITED (08724360)

CNOOC PETROLEUM EUROPE LIMITED (01051137), DANA PETROLEUM (E&P) LIMITED (02294746), NEO ENERGY EXPLORATION UK LIMITED (08266502), PARKMEAD (E&P) LIMITED (SC397002), WALDORF OPERATIONS LIMITED (09110642)
CNOOC INTERNATIONAL, DANA PETROLEUM LIMITED, NEO ENERGY GROUP, PARKMEAD GROUP PLC, WALDORF PRODUCTION
CNOOC PETROLEUM EUROPE LIMITED (01051137), PARKMEAD (E&P) LIMITED (SC397002)
NEXEN PETROLEUM U.K. LIMITED, ENCANA (U.K.) LIMITED, PANCANADIAN ENERGY (U.K.) LIMITED, PANCANADIAN PETROLEUM (U.K.) LIMITED

BP EXPLORATION OPERATING COMPANY LIMITED (00305943)
BP PETROLEUM DEVELOPMENT LIMITED, BP (PETROLEUM CONCESSIONS) LIMITED, PETROLEUM CONCESSIONS LIMITED

SPIRIT ENERGY NORTH SEA LIMITED (04594558), SPIRIT NORTH SEA GAS LIMITED (SC182822)
SPIRIT ENERGY NORTH SEA LIMITED (04594558)
CENTRICA NORTH SEA LIMITED, CENTRICA (HORNE & WREN) LIMITED, HAWKEYE EXPLORATION LIMITED

CNR INTERNATIONAL (U.K.) LIMITED (00813187), ITHACA MA LIMITED (03947050)
RANGER OIL (U.K.) LIMITED, RANGER OIL (UK) PLC, RANGER OIL (U.K.) LIMITED

DANA PETROLEUM (E&P) LIMITED (02294746), PREMIER OIL UK LIMITED (SC048705)
DANA PETROLEUM LIMITED, HARBOUR ENERGY PLC
PREMIER PICT PETROLEUM LIMITED, PICT PETROLEUM PLC, PICT PETROLEUM LIMITED

NORTH SEA NATURAL RESOURCES LTD (07316877)

EGDON RESOURCES U.K. LIMITED (03424561), REGENT PARK ENERGY LIMITED (04557422), SCOTTISHPOWER ENERGY MANAGEMENT LIMITED (SC215843)
HEYCO ENERGY GROUP, INFINIS ENERGY, SCOTTISH POWER UK PLC

APACHE BERYL I LIMITED (FC005975), CHRYSAOR LIMITED (06418649), ENTERPRISE OIL LIMITED (01682048)
APACHE CORPORATION, HARBOUR ENERGY PLC, SHELL PLC
MOBIL NORTH SEA LIMITED, MOBIL NORTH SEA LLC, MOBIL NORTH SEA LIMITED

NO OPERATOR, NEO ENERGY PATHWAY LIMITED (06212075)
JX NIPPON EXPLORATION AND PRODUCTION (U.K.) LIMITED, NIPPON OIL EXPLORATION AND PRODUCTION U.K. LIMITED

NOBEL OIL E&P NORTH SEA LIMITED (09856429), SOJITZ ENERGY DEVELOPMENT LIMITED (10596616), TAQA BRATANI LIMITED (05975475), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
NOBEL UPSTREAM, SOJITZ CORPORATION, TAQA EUROPA B.V., TOTALENERGIES UPSTREAM UK LIMITED
TOTAL E&P NORTH SEA UK LIMITED, MAERSK OIL NORTH SEA UK LIMITED, KERR-MCGEE NORTH SEA (U.K.) LIMITED, ORYX NORTH SEA (UK) LIMITED, PLUSVALE LIMITED

EGDON RESOURCES U.K. LIMITED (03424561), EUROPA OIL & GAS LIMITED (03093716), UNION JACK OIL PLC (07497220)
EUROPA OIL AND GAS, HEYCO ENERGY GROUP, UNION JACK OIL PLC
EGDON RESOURCES PLC, EGDON RESOURCES (U.K.) LIMITED

ANGUS ENERGY WEALD BASIN NO.3 LIMITED (SC055329), BROCKHAM CAPITAL LIMITED (02196647), TERRAIN ENERGY LIMITED (07004014)
ANGUS ENERGY, BROCKHAM CAPITAL LIMITED, TERRAIN ENERGY
ANGUS ENERGY WEALD BASIN NO.3 LIMITED (SC055329)
KEY PETROLEUM WEALD BASIN LIMITED, MIDMAR ENERGY ONSHORE LIMITED, SAGA PETROLEUM ONSHORE UK LIMITED, SANTA FE MINERALS ONSHORE (U.K.) LIMITED, DENHOLM EXPLORATION LIMITED

ENERGEAN EXPLORATION LIMITED (02324368), INEOS UK SNS LIMITED (01021338), TOTALENERGIES E&P UK LIMITED (00811900)
ENERGEAN PLC, INEOS INDUSTRIES, TOTALENERGIES UPSTREAM UK LIMITED

BP EXPLORATION (ALPHA) LIMITED (01021007), NEO ENERGY PETROLEUM LIMITED (03288689), SPIRIT ENERGY RESOURCES LIMITED (02855151), TAQA BRATANI LIMITED (05975475), TAQA BRATANI LNS LIMITED (06230540)
BP EXPLORATION, NEO ENERGY GROUP, SPIRIT ENERGY, TAQA EUROPA B.V.

SEVEN STAR NATURAL GAS LIMITED (05330862)

DANA PETROLEUM (E&P) LIMITED (02294746), PERENCO UK LIMITED (04653066), PREMIER OIL E&P UK EU LIMITED (02907493)
DANA PETROLEUM LIMITED, HARBOUR ENERGY PLC, PERENCO OIL & GAS
PREMIER OIL E&P UK EU LIMITED (02907493)
E.ON E&P UK EU LIMITED, E.ON RUHRGAS UK EU LIMITED, CALEDONIA EU LIMITED, CONSORT EU LIMITED, TXU EUROPE UPSTREAM LIMITED, EASTERN NATURAL GAS (OFFSHORE) LIMITED, EASTERN THREE LIMITED

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), ENQUEST HEATHER LIMITED (02748866)
LUNDIN HEATHER LIMITED, DNO HEATHER LIMITED, UNOCAL BRITAIN LIMITED, YEARNRARE LIMITED

CENTRICA OFFSHORE UK LIMITED (04248952), SPIRIT ENERGY RESOURCES LIMITED (02855151)
DYNEGY OFFSHORE UK LIMITED, BGSPL LIMITED

BLACKLAND PARK EXPLORATION LIMITED (01881647), ONSHORE PRODUCTION SERVICES LIMITED (04252529)
BRITNRG LIMITED, ONSHORE OILFIELD SERVICES LIMITED
ONSHORE OILFIELD SERVICES LIMITED (03192463), BLACKLAND PARK EXPLORATION LIMITED (01881647)
ONSHORE OILFIELD SERVICES LIMITED, BRITNRG LIMITED

ALWYN NORTH, BOA, BRUCE, DUNBAR, ELLON, FORVIE NORTH, GRANT, ISLAY, JURA, NUGGETS N4
BP EXPLORATION OPERATING COMPANY LIMITED (00305943), ENQUEST HEATHER LIMITED (02748866), NEO ENERGY (ZEX) LIMITED (05834920), SERICA ENERGY (UK) LIMITED (04073712), SPIRIT ENERGY RESOURCES LIMITED (02855151), TOTALENERGIES E&P UK LIMITED (00811900), TOTALENERGIES OFFSHORE UK LIMITED (00946986)
BP EXPLORATION, ENQUEST PLC, NEO ENERGY GROUP, SERICA ENERGY, SPIRIT ENERGY, TOTALENERGIES UPSTREAM UK LIMITED
TOTALENERGIES E&P UK LIMITED (00811900), NEO ENERGY (ZEX) LIMITED (05834920), SPIRIT ENERGY RESOURCES LIMITED (02855151), TOTALENERGIES OFFSHORE UK LIMITED (00946986), SERICA ENERGY (UK) LIMITED (0407
TOTALENERGIES UPSTREAM UK LIMITED, NEO ENERGY GROUP, SPIRIT ENERGY, SERICA ENERGY

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), INEOS UK SNS LIMITED (01021338), SERICA ENERGY (UK) LIMITED (04073712), TAQA BRATANI LIMITED (05975475), TOTALENERGIES E&P UK LIMITED (00811900)
BP EXPLORATION, INEOS INDUSTRIES, SERICA ENERGY, TAQA EUROPA B.V., TOTALENERGIES UPSTREAM UK LIMITED
SERICA ENERGY (UK) LIMITED (04073712), TAQA BRATANI LIMITED (05975475)
PETROLEUM DEVELOPMENT ASSOCIATES (UK) LIMITED, PETROLEUM DEVELOPMENTS ASSOCIATES (UK) LIMITED

STATOIL (U.K.) LIMITED, SAGA PETROCHEMICALS (U.K.) LIMITED, SAGA PETROKJEMI (U.K.) LIMITED

AURORA EXPLORATION (UK) LIMITED, EDP ONSHORE LIMITED, PACIFIC SHELF 1485 LIMITED

ISLAND GAS LIMITED (04962079), UKOG (GB) LIMITED (04050227)
COTWOGAS LIMITED, BDO STOY HAYWARD (2003) LIMITED

ROCKROSE (UKCS3) LIMITED (04620801), SPIRIT ENERGY RESOURCES LIMITED (02855151)
SPIRIT NORWAY LIMITED, CENTRICA RESOURCES LIMITED, POWERGEN NORTH SEA LIMITED, POWERGEN (NORTH SEA) LIMITED, SUBMITRECORD COMPANY LIMITED

IGAS ENERGY (CAITHNESS) LIMITED, CAITHNESS OIL LIMITED, CAITHNESS PETROLEUM LIMITED

SPIRIT ENERGY NORTH SEA OIL LIMITED (SC210361)
CENTRICA NORTH SEA OIL LIMITED, VENTURE NORTH SEA OIL LIMITED, VENTURE PRODUCTION (NORTH SEA DEVELOPMENTS) LIMITED, VENTURE PRODUCTION (A FIELDS) LIMITED, MOUNTWEST 305 LIMITED

CNOOC PETROLEUM EUROPE LIMITED (01051137), EQUINOR UK LIMITED (01285743), ONE-DYAS UK LIMITED (03531783), PREMIER OIL UK LIMITED (SC048705)
CNOOC INTERNATIONAL, EQUINOR ASA, HARBOUR ENERGY PLC, ONE-DYAS
NEXEN PETROLEUM U.K. LIMITED, ENCANA (U.K.) LIMITED, PANCANADIAN ENERGY (U.K.) LIMITED, PANCANADIAN PETROLEUM (U.K.) LIMITED

EQUINOR UK LIMITED (01285743), NEO ENERGY (ZEX) LIMITED (05834920), SOLITON RESOURCES LIMITED (11011152)
EQUINOR ASA, NEO ENERGY GROUP, SOLITON RESOURCES LIMITED
ZENNOR EXPLORATION LIMITED, HANNU EXPLORATION LIMITED

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), BRITOIL LIMITED (SC077750), CHEVRON BRITAIN LIMITED (01006065), ENTERPRISE OIL LIMITED (01682048), PREMIER OIL UK LIMITED (SC048705)
BP EXPLORATION, CHEVRON CORPORATION, HARBOUR ENERGY PLC, SHELL PLC
BP EXPLORATION OPERATING COMPANY LIMITED (00305943)
BP PETROLEUM DEVELOPMENT LIMITED, BP (PETROLEUM CONCESSIONS) LIMITED, PETROLEUM CONCESSIONS LIMITED

ARUNDEL, BALLINDALLOCH, BERYL, BRITANNIA, BUCKLAND, CORONA, ENOCHDHU, FARRAGON, GARTEN, GRYPHON, KINNOULL, MACLURE, SKENE, STORR
APACHE BERYL I LIMITED (FC005975), ARCO BRITISH LIMITED, LLC (FC005677), BP EXPLORATION OPERATING COMPANY LIMITED (00305943), BRITOIL LIMITED (SC077750), CHRYSAOR LIMITED (06418649), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), ITHACA GSA LIMITED (FC033620), ITHACA MA LIMITED (03947050), NOBEL OIL E&P NORTH SEA LIMITED (09856429), SOJITZ ENERGY DEVELOPMENT LIMITED (10596616), TAQA BRATANI LIMITED (05975475), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
APACHE CORPORATION, BP EXPLORATION, HARBOUR ENERGY PLC, ITHACA ENERGY, NOBEL UPSTREAM, SOJITZ CORPORATION, TAQA EUROPA B.V., TOTALENERGIES UPSTREAM UK LIMITED
APACHE BERYL I LIMITED (FC005975), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), ARCO BRITISH LIMITED, LLC (FC005677), BP EXPLORATION OPERATING COMP
APACHE CORPORATION, TOTALENERGIES UPSTREAM UK LIMITED, HARBOUR ENERGY PLC, BP EXPLORATION
CONOCOPHILLIPS (U.K.) LIMITED, CONOCO (U.K.) LIMITED, CONTINENTAL OIL HOLDINGS LIMITED, CONTINENTAL OIL LIMITED, JET PETROLEUM LIMITED

DANA PETROLEUM (E&P) LIMITED (02294746), NEO ENERGY PETROLEUM LIMITED (03288689)
DANA PETROLEUM LIMITED, NEO ENERGY GROUP
JX NIPPON EXPLORATION AND PRODUCTION (U.K.) LIMITED, NIPPON OIL EXPLORATION AND PRODUCTION U.K. LIMITED

WHALSAY ENERGY LIMITED, XCITE ENERGY RESOURCES PLC, XCITE ENERGY RESOURCES LIMITED

TF38a, TF38b, TF39a, TF48a, TF49a, TF49b
ANGUS ENERGY WEALD BASIN NO.3 LIMITED (SC055329), EGDON RESOURCES U.K. LIMITED (03424561), SALTFLEETBY ENERGY LIMITED (00953066), UNION JACK OIL PLC (07497220)
ANGUS ENERGY, HEYCO ENERGY GROUP, UNION JACK OIL PLC
ANGUS ENERGY WEALD BASIN NO.3 LIMITED (SC055329), EGDON RESOURCES U.K. LIMITED (03424561)
KEY PETROLEUM WEALD BASIN LIMITED, MIDMAR ENERGY ONSHORE LIMITED, SAGA PETROLEUM ONSHORE UK LIMITED, SANTA FE MINERALS ONSHORE (U.K.) LIMITED, DENHOLM EXPLORATION LIMITED

E. F. OIL AND GAS LIMITED (03430228), ENI ELGIN/FRANKLIN LIMITED (03772746), ITHACA SP E&P LIMITED (01504603), NEO ENERGY PETROLEUM LIMITED (03288689), ONE-DYAS E&P LIMITED (04024945), PREMIER OIL UK LIMITED (SC048705), SHELL U.K. LIMITED (00140141), TOTALENERGIES E&P UK LIMITED (00811900), TOTALENERGIES OFFSHORE UK LIMITED (00946986)
ENI UK LIMITED, HARBOUR ENERGY PLC, ITHACA ENERGY, NEO ENERGY GROUP, ONE-DYAS, SHELL PLC, TOTALENERGIES UPSTREAM UK LIMITED
SHELL U.K. LIMITED (00140141), TOTALENERGIES E&P UK LIMITED (00811900)
SHELL PLC, TOTALENERGIES UPSTREAM UK LIMITED
THE SHELL COMPANY OF THE UNITED KINGDOM LIMITED, SHELL REFINING AND MARKETING COMPANY LIMITED, SHELL MARKETING COMPANY, LIMITED

PHARIS ENERGY LTD, THE STEAM OIL PRODUCTION COMPANY LTD

DESS ENERGY LIMITED (07818432), EGDON RESOURCES U.K. LIMITED (03424561), MONTROSE INDUSTRIES LIMITED (00654944)
DESS EXPLORATION CONSULTING LIMITED, HEYCO ENERGY GROUP, MONTROSE INDUSTRIES
EGDON RESOURCES PLC, EGDON RESOURCES (U.K.) LIMITED

DELTIC ENERGY PLC (07958581), SHELL U.K. LIMITED (00140141)
THE SHELL COMPANY OF THE UNITED KINGDOM LIMITED, SHELL REFINING AND MARKETING COMPANY LIMITED, SHELL MARKETING COMPANY, LIMITED

CLUFF NATURAL RESOURCES PLC, CLUFF NATURAL RESOURCES LIMITED

SK47a, SK47c, SK56a, SK56b, SK56c, SK56d, SK56e, SK56f, SK56g, SK56h, SK57a, SK57b
KINGS MILL HOSPITAL CM VENT, MANSFIELD (TORAY) C. MINE VENT, SHERWOOD (OLD MILL LANE) VENT, SHIREBROOK COAL MINE VENT, WARSOP MAIN COAL MINE VENT, WHITWELL COAL MINE VENT
ALKANE ENERGY UK LIMITED (03128509), EGDON RESOURCES U.K. LIMITED (03424561)

ALKANE ENERGY UK LIMITED (03128509), HUTTON ENERGY UK LIMITED (06399734)

DART ENERGY (WEST ENGLAND) LIMITED (06760557), INEOS UPSTREAM LIMITED (09121775)
DART ENERGY (WEST ENGLAND) LIMITED (06760557)
COMPOSITE ENERGY (WEST ENGLAND) LIMITED, MM&S (5433) LIMITED

ANTRIM ENERGY (VENTURES) LIMITED (08882092), APACHE NORTH SEA LIMITED (04614761), BRIDGE PETROLEUM 1 LIMITED (10045796), ENTERPRISE OIL LIMITED (01682048), ITHACA SP E&P LIMITED (01504603), PREMIER OIL E&P UK LIMITED (02761032), ROCKROSE UKCS4 LIMITED (02552901), SHELL EP OFFSHORE VENTURES LIMITED (01682052)
ANTRIM ENERGY INC., APACHE CORPORATION, BRIDGE PETROLEUM GROUP, HARBOUR ENERGY PLC, ITHACA ENERGY, ROCKROSE ENERGY, SHELL PLC
ENTERPRISE OIL LIMITED (01682048), APACHE NORTH SEA LIMITED (04614761)
ENTERPRISE OIL PLC, ENTERPRISE OIL LIMITED, BRITISH GAS NORTH SEA OIL HOLDINGS LIMITED

SPIRIT ENERGY NORTH SEA LIMITED (04594558), TOTALENERGIES E&P UK LIMITED (00811900)
SPIRIT ENERGY, TOTALENERGIES UPSTREAM UK LIMITED
SPIRIT ENERGY NORTH SEA LIMITED (04594558)
CENTRICA NORTH SEA LIMITED, CENTRICA (HORNE & WREN) LIMITED, HAWKEYE EXPLORATION LIMITED

ONE-DYAS UK LIMITED (03531783), TAQA BRATANI LIMITED (05975475), WALDORF CNS (I) LIMITED (SC278868)
ONE-DYAS, TAQA EUROPA B.V., WALDORF PRODUCTION

CHRYSAOR RESOURCES (IRISH SEA) LIMITED (03440053)
BURLINGTON RESOURCES (IRISH SEA) LIMITED, BURLINGTON RESOURCES (UK) LIMITED

ALKANE ENERGY UK LIMITED (03128509), COURAGE ENERGY (U.K.) LIMITED (03446506)

EGDON RESOURCES U.K. LIMITED (03424561), REGENT PARK ENERGY LIMITED (04557422)

BG GREAT BRITAIN LIMITED (00909162), CNR INTERNATIONAL (U.K.) DEVELOPMENTS LIMITED (01021629), CNR INTERNATIONAL (U.K.) LIMITED (00813187), ENTERPRISE OIL LIMITED (01682048), SHELL EP OFFSHORE VENTURES LIMITED (01682052), SHELL UPSTREAM OVERSEAS SERVICES (I) LIMITED (07657243)
ENTERPRISE OIL PLC, ENTERPRISE OIL LIMITED, BRITISH GAS NORTH SEA OIL HOLDINGS LIMITED

ITHACA ENERGY (UK) LIMITED (SC272009), ITHACA EPSILON LIMITED (05979869), ITHACA GAMMA LIMITED (05929104), NEO ENERGY PETROLEUM LIMITED (03288689)

ESSO EXPLORATION AND PRODUCTION UK LIMITED (00207426), SHELL U.K. LIMITED (00140141)

SPIRIT NORWAY LIMITED, CENTRICA RESOURCES LIMITED, POWERGEN NORTH SEA LIMITED, POWERGEN (NORTH SEA) LIMITED, SUBMITRECORD COMPANY LIMITED

EGDON RESOURCES U.K. LIMITED (03424561), SPIRIT ENERGY NORTH SEA LIMITED (04594558)

CORMORANT NORTH, DUNLIN, DUNLIN SOUTH WEST, PELICAN, SOUTH CORMORANT
MCX DUNLIN (UK) LIMITED (06451712), MCX OSPREY (UK) LIMITED (06451720), TAQA BRATANI LIMITED (05975475)

DANA PETROLEUM (E&P) LIMITED (02294746), PREMIER OIL UK LIMITED (SC048705)
DANA PETROLEUM LIMITED, HARBOUR ENERGY PLC

CHRYSAOR LIMITED (06418649), CHRYSAOR NORTH SEA LIMITED (00958880)

PENTEX OIL & GAS LIMITED, MELROSE OIL & GAS LTD., PENTEX (EAST MIDLANDS) LIMITED, PLACE D'OR 163 LIMITED

CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), ITHACA GSA LIMITED (FC033620), NEO ENERGY PETROLEUM LIMITED (03288689)
HARBOUR ENERGY PLC, ITHACA ENERGY, NEO ENERGY GROUP
CONOCOPHILLIPS (U.K.) LIMITED, CONOCO (U.K.) LIMITED, CONTINENTAL OIL HOLDINGS LIMITED, CONTINENTAL OIL LIMITED, JET PETROLEUM LIMITED

DANA PETROLEUM (E&P) LIMITED (02294746), FINDER ENERGY UK LIMITED (12227103)
DANA PETROLEUM LIMITED, FINDER ENERGY PTY

BRITOIL LIMITED (SC077750), ENTERPRISE OIL LIMITED (01682048), PREMIER OIL UK LIMITED (SC048705)
BP EXPLORATION, HARBOUR ENERGY PLC, SHELL PLC
PREMIER PICT PETROLEUM LIMITED, PICT PETROLEUM PLC, PICT PETROLEUM LIMITED

COURAGE ENERGY (U.K.) LIMITED (03446506), EGDON RESOURCES U.K. LIMITED (03424561), UNION JACK OIL PLC (07497220)
BRITNRG LIMITED, HEYCO ENERGY GROUP, UNION JACK OIL PLC
COURAGE ENERGY (U.K.) LIMITED (03446506), EGDON RESOURCES U.K. LIMITED (03424561)
EGDON RESOURCES PLC, EGDON RESOURCES (U.K.) LIMITED

CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), ITHACA GSA LIMITED (FC033620), NEO ENERGY PETROLEUM LIMITED (03288689)
HARBOUR ENERGY PLC, ITHACA ENERGY, NEO ENERGY GROUP
JX NIPPON EXPLORATION AND PRODUCTION (U.K.) LIMITED, NIPPON OIL EXPLORATION AND PRODUCTION U.K. LIMITED

ALDER, ALWYN NORTH, BRENT, BRITANNIA, STRATHSPEY
CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), CNR INTERNATIONAL (U.K.) DEVELOPMENTS LIMITED (01021629), ESSO EXPLORATION AND PRODUCTION UK LIMITED (00207426), ITHACA ENERGY (UK) LIMITED (SC272009), ITHACA MA LIMITED (03947050), ITHACA OIL AND GAS LIMITED (01546623), SHELL U.K. LIMITED (00140141), TOTALENERGIES E&P UK LIMITED (00811900)
CNR INTERNATIONAL, EXXONMOBIL INTERNATIONAL, HARBOUR ENERGY PLC, ITHACA ENERGY, SHELL PLC, TOTALENERGIES UPSTREAM UK LIMITED
ITHACA ENERGY (UK) LIMITED (SC272009), ITHACA MA LIMITED (03947050), TOTALENERGIES E&P UK LIMITED (00811900), CNR INTERNATIONAL (U.K.) DEVELOPMENTS LIMITED (01021629), SHELL U.K. LIMITED (00140141)
ITHACA ENERGY, TOTALENERGIES UPSTREAM UK LIMITED, CNR INTERNATIONAL, SHELL PLC

ZENNOR EXPLORATION LIMITED, HANNU EXPLORATION LIMITED

SPIRIT ENERGY PRODUCTION UK LIMITED (03115179)
HYDROCARBON RESOURCES LIMITED, HACKREMCO (NO. 1083) LIMITED

EGDON RESOURCES (AURORA) LIMITED (SC301743), EGDON RESOURCES U.K. LIMITED (03424561), ISLAND GAS LIMITED (04962079), TETRA ENERGY UK ONSHORE LTD (06030678), UKOG (GB) LIMITED (04050227)
HEYCO ENERGY GROUP, STAR ENERGY GROUP PLC, TETRA ENERGIES, UK OIL & GAS PLC
COTWOGAS LIMITED, BDO STOY HAYWARD (2003) LIMITED

NEO ENERGY PETROLEUM LIMITED (03288689), SHELL U.K. LIMITED (00140141)

BLACKLAND PARK EXPLORATION LIMITED (01881647), EGDON RESOURCES U.K. LIMITED (03424561), STELINMATVIC INDUSTRIES LTD (05123578), UNION JACK OIL PLC (07497220)
BRITNRG LIMITED, HEYCO ENERGY GROUP, STELINMATVIC INDUSTRIES, UNION JACK OIL PLC

CALENERGY GAS LIMITED (04370508), PARKMEAD (E&P) LIMITED (SC397002), SERICA ENERGY (UK) LIMITED (04073712)
CALENERGY GAS (HOLDINGS), PARKMEAD GROUP PLC, SERICA ENERGY

SE30a, SE31a, SE31b, SE32a, SE41a, SE41b, SE41c, SE41d, SE42a, SE42b, SE42c, SE42d
NEWMARKET COLLIERY MINE VENT, PRINCE OF WALES COAL MINE VENT, WHELDALE COAL MINE VENT
ALKANE ENERGY UK LIMITED (03128509), EGDON RESOURCES U.K. LIMITED (03424561)

ENQUEST HEATHER LIMITED (02748866), WALDORF PRODUCTION UK PLC (05030838)

CNOOC PETROLEUM EUROPE LIMITED (01051137), WALDORF OPERATIONS LIMITED (09110642)
NEXEN PETROLEUM U.K. LIMITED, ENCANA (U.K.) LIMITED, PANCANADIAN ENERGY (U.K.) LIMITED, PANCANADIAN PETROLEUM (U.K.) LIMITED

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), SERICA ENERGY (UK) LIMITED (04073712), TOTALENERGIES E&P UK LIMITED (00811900)
BP EXPLORATION, SERICA ENERGY, TOTALENERGIES UPSTREAM UK LIMITED

ALKANE ENERGY UK LIMITED (03128509), EGDON RESOURCES U.K. LIMITED (03424561)

BOWLAND RESOURCES (NO.2) LIMITED (06576443), BOWLAND RESOURCES LIMITED (06811566), CUADRILLA BOWLAND LIMITED (08340918), LUCAS BOWLAND (NO.2) LIMITED (08347365), LUCAS BOWLAND (UK) LIMITED (08341601)
A J LUCAS GROUP, CUADRILLA RESOURCES, SPIRIT ENERGY

TAQA BRATANI LIMITED (05975475), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
TAQA EUROPA B.V., TOTALENERGIES UPSTREAM UK LIMITED

DOUGLAS, DOUGLAS WEST, HAMILTON, HAMILTON NORTH
ENI UK LIMITED (00862823), ENI ULX LIMITED (00936223)
AGIP (U.K.) LIMITED, AGIP EXPLORATION (U.K.) LIMITED

NEO ENERGY PRODUCTION UK LIMITED (12086835)

THIRD ENERGY OFFSHORE LIMITED, THIRD ENERGY LIMITED, 3RD ENERGY LIMITED, THIRD OIL LIMITED, LEDGE 1042 LIMITED

KISTOS ENERGY LIMITED (12859749), ROCKROSE UKCS 10 LIMITED (04105025), TOTALENERGIES E&P UK LIMITED (00811900)
KISTOS PLC, ROCKROSE ENERGY, TOTALENERGIES UPSTREAM UK LIMITED

ENI UK LIMITED (00862823), ENI ULX LIMITED (00936223)
AGIP (U.K.) LIMITED, AGIP EXPLORATION (U.K.) LIMITED

PETROGAS NORTH SEA LIMITED (05470844), NO OPERATOR
PA RESOURCES NORTH SEA LIMITED, REAP 29/25 LTD

EVERARD ENERGY LIMITED (08066733), PERENCO GAS (UK) LIMITED (00715529)

BRODGAR, FORVIE NORTH, FRIGG, NUGGETS N1
CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), ITHACA GSA LIMITED (FC033620), NEO ENERGY PETROLEUM LIMITED (03288689), TOTALENERGIES E&P UK LIMITED (00811900)
HARBOUR ENERGY PLC, ITHACA ENERGY, NEO ENERGY GROUP, TOTALENERGIES UPSTREAM UK LIMITED
CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), TOTALENERGIES E&P UK LIMITED (00811900)
HARBOUR ENERGY PLC, TOTALENERGIES UPSTREAM UK LIMITED

CNR INTERNATIONAL (U.K.) LIMITED (00813187), ITHACA MA LIMITED (03947050), TOTALENERGIES E&P UK LIMITED (00811900)
CNR INTERNATIONAL, ITHACA ENERGY, TOTALENERGIES UPSTREAM UK LIMITED
CNR INTERNATIONAL (U.K.) LIMITED (00813187), TOTALENERGIES E&P UK LIMITED (00811900)
CNR INTERNATIONAL, TOTALENERGIES UPSTREAM UK LIMITED
RANGER OIL (U.K.) LIMITED, RANGER OIL (UK) PLC, RANGER OIL (U.K.) LIMITED

ONE-DYAS E&P LIMITED (04024945), PREMIER OIL UK LIMITED (SC048705), WALDORF CNS (I) LIMITED (SC278868), WALDORF PRODUCTION UK PLC (05030838)
HARBOUR ENERGY PLC, ONE-DYAS, WALDORF PRODUCTION
PREMIER PICT PETROLEUM LIMITED, PICT PETROLEUM PLC, PICT PETROLEUM LIMITED

CHEVRON NORTH SEA LIMITED, CHEVRONTEXACO NORTH SEA LIMITED, CHEVRON U.K. LIMITED, GULF OIL (U.K.) LIMITED

EGDON RESOURCES U.K. LIMITED (03424561), TERRAIN ENERGY LIMITED (07004014), UNION JACK OIL PLC (07497220)
HEYCO ENERGY GROUP, TERRAIN ENERGY, UNION JACK OIL PLC

TAQA BRATANI LIMITED (05975475), TAQA BRATANI LNS LIMITED (06230540)

CHRYSAOR RESOURCES (IRISH SEA) LIMITED (03440053), ENI UK LIMITED (00862823), ENI ULX LIMITED (00936223)
ENI UK LIMITED (00862823), CHRYSAOR RESOURCES (IRISH SEA) LIMITED (03440053)
BURLINGTON RESOURCES (IRISH SEA) LIMITED, BURLINGTON RESOURCES (UK) LIMITED

SOJITZ ENERGY DEVELOPMENT LIMITED (10596616), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
SOJITZ CORPORATION, TOTALENERGIES UPSTREAM UK LIMITED
TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
TOTAL E&P NORTH SEA UK LIMITED, MAERSK OIL NORTH SEA UK LIMITED, KERR-MCGEE NORTH SEA (U.K.) LIMITED, ORYX NORTH SEA (UK) LIMITED, PLUSVALE LIMITED

NEO ENERGY NATURAL RESOURCES LIMITED (13018823), SHELL U.K. LIMITED (00140141)

E.ON E&P UK LIMITED, E.ON RUHRGAS UK E&P LIMITED, E.ON RUHRGAS UK EXPLORATION AND PRODUCTION LIMITED, RUHRGAS UK EXPLORATION AND PRODUCTION LIMITED, HACKREMCO (NO.790) LIMITED

SE40a, SE40b, SE40c, SE40d, SE40e, SE50a
CADEBY COAL MINE VENT, HOUGHTON MAIN COAL MINE VENT
EGDON RESOURCES U.K. LIMITED (03424561), REGENT PARK ENERGY LIMITED (04557422)

ITHACA SP E&P LIMITED (01504603), PREMIER OIL UK LIMITED (SC048705), SHELL U.K. LIMITED (00140141)
HARBOUR ENERGY PLC, ITHACA ENERGY, SHELL PLC

APACHE NORTH SEA LIMITED (04614761), NEO ENERGY CENTRAL NORTH SEA LIMITED (05894683)
APACHE NORTH SEA LIMITED (04614761), NEO ENERGY UPSTREAM UK LIMITED (SC279865)
ZENNOR CNS LIMITED, FIRST OIL AND GAS LIMITED, CELTIC OIL LIMITED

APACHE NORTH SEA LIMITED (04614761), ENTERPRISE OIL LIMITED (01682048), ROCKROSE UKCS4 LIMITED (02552901), SHELL EP OFFSHORE VENTURES LIMITED (01682052)
APACHE CORPORATION, ROCKROSE ENERGY, SHELL PLC
ENTERPRISE OIL PLC, ENTERPRISE OIL LIMITED, BRITISH GAS NORTH SEA OIL HOLDINGS LIMITED

EVERARD ENERGY LIMITED (08066733), PERENCO GAS (UK) LIMITED (00715529), PERENCO UK LIMITED (04653066)

BRITOIL LIMITED (SC077750), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), ENQUEST HEATHER LIMITED (02748866)
BP EXPLORATION, ENQUEST PLC, HARBOUR ENERGY PLC
BRITOIL PUBLIC LIMITED COMPANY, BRITOIL LIMITED

CENTRICA RESOURCES PETROLEUM UK LIMITED (04487586), ROCKROSE (UKCS3) LIMITED (04620801), SPIRIT ENERGY RESOURCES LIMITED (02855151)
SPIRIT NORWAY LIMITED, CENTRICA RESOURCES LIMITED, POWERGEN NORTH SEA LIMITED, POWERGEN (NORTH SEA) LIMITED, SUBMITRECORD COMPANY LIMITED

SCOTTISHPOWER ENERGY TRADING LIMITED, ASPEN 3 LIMITED

CHRYSAOR (U.K.) THETA LIMITED (01491002), CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), ITHACA ENERGY (UK) LIMITED (SC272009), ITHACA MA LIMITED (03947050), NEO ENERGY PETROLEUM LIMITED (03288689)
HARBOUR ENERGY PLC, ITHACA ENERGY, NEO ENERGY GROUP
ITHACA OIL & GAS (U.K.) LIMITED, MARUBENI OIL & GAS (U.K.) LIMITED

ANDREW, BRITANNIA, SYCAMORE, THELMA, TIFFANY, TONI
BP EXPLORATION OPERATING COMPANY LIMITED (00305943), CHRYSAOR (U.K.) THETA LIMITED (01491002), CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), CNR INTERNATIONAL (U.K.) LIMITED (00813187), DANA PETROLEUM (BVUK) LIMITED (03337437), REPSOL NORTH SEA LIMITED (01061863)
BP EXPLORATION, CNR INTERNATIONAL, DANA PETROLEUM LIMITED, HARBOUR ENERGY PLC, REPSOL RESOURCES UK
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), BP EXPLORATION OPERATING COMPANY LIMITED (00305943), CNR INTERNATIONAL (U.K.) LIMITED (00813187)
HARBOUR ENERGY PLC, BP EXPLORATION, CNR INTERNATIONAL
CONOCOPHILLIPS PETROLEUM COMPANY U.K. LIMITED, PHILLIPS PETROLEUM COMPANY UNITED KINGDOM LIMITED, PHILLIPS PETROLEUM EXPLORATION U.K., LIMITED

BALMORAL, BRENDA, CAUSEWAY, CORMORANT EAST, FIONN, GLAMIS, STIRLING
ITHACA ENERGY (UK) LIMITED (SC272009), ITHACA EPSILON LIMITED (05979869), ITHACA GAMMA LIMITED (05929104), NEO ENERGY PETROLEUM LIMITED (03288689), PREMIER OIL E&P UK LIMITED (02761032), REPSOL NORTH SEA LIMITED (01061863), TAQA BRATANI LIMITED (05975475)
HARBOUR ENERGY PLC, ITHACA ENERGY, NEO ENERGY GROUP, REPSOL RESOURCES UK, TAQA EUROPA B.V.
PREMIER OIL E&P UK LIMITED (02761032), TAQA BRATANI LIMITED (05975475), ITHACA ENERGY (UK) LIMITED (SC272009)
HARBOUR ENERGY PLC, TAQA EUROPA B.V., ITHACA ENERGY
E.ON E&P UK LIMITED, E.ON RUHRGAS UK E&P LIMITED, E.ON RUHRGAS UK EXPLORATION AND PRODUCTION LIMITED, RUHRGAS UK EXPLORATION AND PRODUCTION LIMITED, HACKREMCO (NO.790) LIMITED

ITHACA MA LIMITED (03947050), REPSOL DELTA LIMITED (11021922)
REPSOL SINOPEC RESOURCES UK LIMITED, TALISMAN SINOPEC ENERGY UK LIMITED, TALISMAN ENERGY (UK) LIMITED, BOW VALLEY PETROLEUM (U.K.) LIMITED, BOW VALLEY EXPLORATION (U.K.) LIMITED, SYRACUSE OILS (UK) LI

NEO ENERGY PETROLEUM LIMITED (03288689), REPSOL BETA LIMITED (04796282), REPSOL NORTH SEA LIMITED (01061863), ROCKROSE UKCS4 LIMITED (02552901)
NEO ENERGY GROUP, REPSOL RESOURCES UK, ROCKROSE ENERGY
REPSOL SINOPEC NORTH SEA LIMITED, TALISMAN SINOPEC NORTH SEA LIMITED, TALISMAN NORTH SEA LIMITED, GOAL PETROLEUM PUBLIC LIMITED COMPANY, GAS & OIL ACREAGE PUBLIC LIMITED COMPANY, GAS & OIL ACREAGE LIM

REPSOL SINOPEC RESOURCES UK LIMITED, TALISMAN SINOPEC ENERGY UK LIMITED, TALISMAN ENERGY (UK) LIMITED, BOW VALLEY PETROLEUM (U.K.) LIMITED, BOW VALLEY EXPLORATION (U.K.) LIMITED, SYRACUSE OILS (UK) LI

ANASURIA HIBISCUS UK LIMITED (09696268), CNOOC PETROLEUM EUROPE LIMITED (01051137), ENERGEAN UK LTD (06683599), ITHACA SP E&P LIMITED (01504603), PING PETROLEUM UK PLC (09698077), PREMIER OIL UK LIMITED (SC048705), REPSOL NORTH SEA LIMITED (01061863), REPSOL RESOURCES UK LIMITED (00825828), SPIRIT ENERGY NORTH SEA OIL LIMITED (SC210361)
CNOOC INTERNATIONAL, ENERGEAN PLC, HARBOUR ENERGY PLC, HIBISCUS PETROLEUM, ITHACA ENERGY, PING PETROLEUM LIMITED, REPSOL RESOURCES UK, SPIRIT ENERGY
ITHACA SP E&P LIMITED (01504603), REPSOL RESOURCES UK LIMITED (00825828), REPSOL NORTH SEA LIMITED (01061863), CNOOC PETROLEUM EUROPE LIMITED (01051137)
ITHACA ENERGY, REPSOL RESOURCES UK, CNOOC INTERNATIONAL
REPSOL SINOPEC RESOURCES UK LIMITED, TALISMAN SINOPEC ENERGY UK LIMITED, TALISMAN ENERGY (UK) LIMITED, BOW VALLEY PETROLEUM (U.K.) LIMITED, BOW VALLEY EXPLORATION (U.K.) LIMITED, SYRACUSE OILS (UK) LI

REPSOL ALPHA LIMITED (04796268), REPSOL DELTA LIMITED (11021922), REPSOL NORTH SEA LIMITED (01061863), REPSOL RESOURCES UK LIMITED (00825828), RIGEL PETROLEUM (NI) LIMITED (NI029801), TRANSWORLD PETROLEUM (U.K.) LIMITED (01010787)

ARCO BRITISH LIMITED, LLC (FC005677), CHRYSAOR (U.K.) THETA LIMITED (01491002), CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), CHRYSAOR PETROLEUM LIMITED (01247477), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), ENQUEST HEATHER LIMITED (02748866), EQUINOR UK LIMITED (01285743), ITHACA ENERGY (UK) LIMITED (SC272009), ITHACA MA LIMITED (03947050), ITHACA OIL AND GAS LIMITED (01546623), NEO ENERGY PETROLEUM LIMITED (03288689), PREMIER OIL UK LIMITED (SC048705), REPSOL NORTH SEA LIMITED (01061863), SPIRIT ENERGY RESOURCES LIMITED (02855151), WALDORF PRODUCTION UK PLC (05030838)
BP EXPLORATION, ENQUEST PLC, EQUINOR ASA, HARBOUR ENERGY PLC, ITHACA ENERGY, NEO ENERGY GROUP, REPSOL RESOURCES UK, SPIRIT ENERGY, WALDORF PRODUCTION
ITHACA MA LIMITED (03947050), ITHACA OIL AND GAS LIMITED (01546623), PREMIER OIL UK LIMITED (SC048705)
CHEVRON NORTH SEA LIMITED, CHEVRONTEXACO NORTH SEA LIMITED, CHEVRON U.K. LIMITED, GULF OIL (U.K.) LIMITED

ANDREW, CYRUS, FARRAGON, MARNOCK [pt. of MARNOCK-SKUA]
BP EXPLORATION OPERATING COMPANY LIMITED (00305943), CNOOC PETROLEUM FARRAGON U.K. LIMITED (05645503)
BP EXPLORATION OPERATING COMPANY LIMITED (00305943)
BP PETROLEUM DEVELOPMENT LIMITED, BP (PETROLEUM CONCESSIONS) LIMITED, PETROLEUM CONCESSIONS LIMITED

PERENCO UK LIMITED (04653066), REPSOL NORTH SEA LIMITED (01061863)

REPSOL ALPHA LIMITED (04796268), REPSOL NORTH SEA LIMITED (01061863), REPSOL RESOURCES UK LIMITED (00825828), TRANSWORLD PETROLEUM (U.K.) LIMITED (01010787)

REPSOL ALPHA LIMITED (04796268), REPSOL RESOURCES UK LIMITED (00825828), ROCKROSE UKCS4 LIMITED (02552901)

REPSOL RESOURCES UK LIMITED (00825828), ROCKROSE UKCS4 LIMITED (02552901)

PREMIER OIL E&P UK LIMITED (02761032), REPSOL NORTH SEA LIMITED (01061863), ROCKROSE UKCS4 LIMITED (02552901)
HARBOUR ENERGY PLC, REPSOL RESOURCES UK, ROCKROSE ENERGY
PREMIER OIL E&P UK LIMITED (02761032), REPSOL NORTH SEA LIMITED (01061863)
REPSOL SINOPEC NORTH SEA LIMITED, TALISMAN SINOPEC NORTH SEA LIMITED, TALISMAN NORTH SEA LIMITED, GOAL PETROLEUM PUBLIC LIMITED COMPANY, GAS & OIL ACREAGE PUBLIC LIMITED COMPANY, GAS & OIL ACREAGE LIM

REPSOL DELTA LIMITED (11021922), RIGEL PETROLEUM UK LIMITED (03389978), ROCKROSE UKCS4 LIMITED (02552901)

REPSOL RESOURCES UK LIMITED (00825828), RIGEL PETROLEUM (NI) LIMITED (NI029801), RIGEL PETROLEUM UK LIMITED (03389978)

DANA PETROLEUM (E&P) LIMITED (02294746), ENQUEST HEATHER LIMITED (02748866), REPSOL RESOURCES UK LIMITED (00825828)
DANA PETROLEUM LIMITED, ENQUEST PLC, REPSOL RESOURCES UK
ENQUEST HEATHER LIMITED (02748866), REPSOL RESOURCES UK LIMITED (00825828)

DANA PETROLEUM (BVUK) LIMITED (03337437), DNO NORTH SEA (ROGB) LIMITED (01852301), REPSOL LNS LIMITED (02483161), WALDORF PRODUCTION UK PLC (05030838)
DANA PETROLEUM LIMITED, DNO NORTH SEA, REPSOL RESOURCES UK, WALDORF PRODUCTION
REPSOL SINOPEC NORTH SEA LIMITED, TALISMAN SINOPEC NORTH SEA LIMITED, TALISMAN NORTH SEA LIMITED, GOAL PETROLEUM PUBLIC LIMITED COMPANY, GAS & OIL ACREAGE PUBLIC LIMITED COMPANY, GAS & OIL ACREAGE LIM

REPSOL DELTA LIMITED (11021922), REPSOL NORTH SEA LIMITED (01061863), REPSOL RESOURCES UK LIMITED (00825828), ROCKROSE UKCS4 LIMITED (02552901)

DELTIC ENERGY PLC (07958581), ONE-DYAS UK LIMITED (03531783), SHELL U.K. LIMITED (00140141)

CHRYSAOR LIMITED (06418649), CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), ENI ELGIN/FRANKLIN LIMITED (03772746)
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712)
CONOCOPHILLIPS PETROLEUM COMPANY U.K. LIMITED, PHILLIPS PETROLEUM COMPANY UNITED KINGDOM LIMITED, PHILLIPS PETROLEUM EXPLORATION U.K., LIMITED

CONOCOPHILLIPS (U.K.) HOLDINGS LIMITED (11712725), ENI ELGIN/FRANKLIN LIMITED (03772746), TOTALENERGIES E&P UK LIMITED (00811900)
CONOCOPHILLIPS, ENI UK LIMITED, TOTALENERGIES UPSTREAM UK LIMITED

AKER BP UK LIMITED (12908310), ENI ELGIN/FRANKLIN LIMITED (03772746)
AGIP ELGIN/FRANKLIN LIMITED, BRITISH-BORNEO ELGIN/FRANKLIN LIMITED, PRECIS (1756) LIMITED

CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), NEO ENERGY (ZEX) LIMITED (05834920)

HORSE HILL DEVELOPMENTS LTD (08808553), UKOG (137/246) LTD (06807023)

ALPHA PETROLEUM RESOURCES LIMITED, ATP OIL & GAS (UK) LIMITED, RBCO 403 LIMITED

CHRYSAOR LIMITED (06418649), CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), ENI ELGIN/FRANKLIN LIMITED (03772746), ITHACA GSA LIMITED (FC033620), ITHACA SP E&P LIMITED (01504603)
ENI UK LIMITED, HARBOUR ENERGY PLC, ITHACA ENERGY
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712)
CONOCOPHILLIPS PETROLEUM COMPANY U.K. LIMITED, PHILLIPS PETROLEUM COMPANY UNITED KINGDOM LIMITED, PHILLIPS PETROLEUM EXPLORATION U.K., LIMITED

BG INTERNATIONAL LIMITED (00902239), CHRYSAOR LIMITED (06418649), CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), ENI ELGIN/FRANKLIN LIMITED (03772746), TOTALENERGIES OFFSHORE UK LIMITED (00946986)
ENI UK LIMITED, HARBOUR ENERGY PLC, SHELL PLC, TOTALENERGIES UPSTREAM UK LIMITED
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), TOTALENERGIES OFFSHORE UK LIMITED (00946986)
HARBOUR ENERGY PLC, TOTALENERGIES UPSTREAM UK LIMITED

ITHACA OIL & GAS (U.K.) LIMITED, MARUBENI OIL & GAS (U.K.) LIMITED

CHRYSAOR LIMITED (06418649), CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), ENI ELGIN/FRANKLIN LIMITED (03772746), ITHACA ENERGY (UK) LIMITED (SC272009), ITHACA GSA LIMITED (FC033620), ITHACA OIL AND GAS LIMITED (01546623), NEO ENERGY NATURAL RESOURCES LIMITED (13018823), SHELL U.K. LIMITED (00140141)
ENI UK LIMITED, HARBOUR ENERGY PLC, ITHACA ENERGY, NEO ENERGY GROUP, SHELL PLC
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), ITHACA ENERGY (UK) LIMITED (SC272009), SHELL U.K. LIMITED (00140141)
HARBOUR ENERGY PLC, ITHACA ENERGY, SHELL PLC

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), ITHACA MA LIMITED (03947050)

INEOS E&P (UK) LIMITED (04376184), ONE-DYAS UK LIMITED (03531783)
DONG E&P (UK) LIMITED, DONG (UK) LIMITED

EQUINOR UK LIMITED (01285743), ITHACA SP E&P LIMITED (01504603)
STATOIL (U.K.) LIMITED, SAGA PETROCHEMICALS (U.K.) LIMITED, SAGA PETROKJEMI (U.K.) LIMITED

EQUINOR UK LIMITED (01285743), FINDER ENERGY UK LIMITED (12227103)

NEO ENERGY (ZEX) LIMITED (05834920), SHELL U.K. LIMITED (00140141)

RIGON EXPLORATION LIMITED (11931578), RIGON OPERATIONS LIMITED (13099494)

AKER BP UK LIMITED (12908310), DNO NORTH SEA (U.K.) LIMITED (04848017)
FAROE PETROLEUM (U.K.) LIMITED, FAROE PETROLEUM (LAGGAN) LIMITED

AGIP ELGIN/FRANKLIN LIMITED, BRITISH-BORNEO ELGIN/FRANKLIN LIMITED, PRECIS (1756) LIMITED

ATHENA EXPLORATION LIMITED (SC464374), TRIANGLE ENERGY (UK) PTY LTD (14725345)
ATHENA EXPLORATION LIMITED, TRIANGLE ENERGY GLOBAL

JERSEY PETROLEUM LTD (06490608), JERSEY V&C LTD (10853027), NEO ENERGY (ZEX) LIMITED (05834920), SERICA ENERGY (UK) LIMITED (04073712)
JERSEY OIL AND GAS PLC, NEO ENERGY GROUP, SERICA ENERGY
ZENNOR EXPLORATION LIMITED, HANNU EXPLORATION LIMITED

PRAX HURRICANE (WHIRLWIND) LIMITED (10654845), PRAX HURRICANE GLA LIMITED (10656211), PRAX HURRICANE GWA LIMITED (10656130)
HURRICANE ENERGY LIMITED, HURRICANE ENERGY PLC, HURRICANE EXPLORATION PLC, HURRICANE EXPLORATION LIMITED, BLAKEDEW 531 LIMITED

EGDON RESOURCES U.K. LIMITED (03424561), EUROPA OIL & GAS LIMITED (03093716), PETRICHOR ENERGY UK LIMITED (09275618)

ENQUEST HEATHER LIMITED (02748866), ROCKROSE UKCS 10 LIMITED (04105025)

ITHACA ENERGY (UK) LIMITED (SC272009), ITHACA SP E&P LIMITED (01504603)
SICCAR POINT ENERGY E&P LIMITED, OMV (U.K.) LIMITED, OMV INTERNATIONAL MARKETING LIMITED, OEMV TRADING AND EXPLORATION (U.K.) LIMITED, OEMV EXPLORATION (U.K.) LIMITED, BIDBILL LIMITED

EGDON RESOURCES (AURORA) LIMITED (SC301743), EGDON RESOURCES U.K. LIMITED (03424561), TETRA ENERGY UK ONSHORE LTD (06030678), UOG PL090 LIMITED (10164996)
HEYCO ENERGY GROUP, TETRA ENERGIES, UNITED OIL & GAS PLC

KIMMERIDGE OIL & GAS LIMITED, CELTIQUE ENERGIE WEALD LIMITED

ALTA QUEST ENERGY CORPORATION (UK) LIMITED (02171441)
ALTA QUEST ENERGY CORPORATION (UK) LIMITED
TRANS WORLD OIL & GAS (U.K.) LIMITED, JUSTFIND LIMITED

DANA PETROLEUM (E&P) LIMITED (02294746), ITHACA ZETA LIMITED (08860426)

ORCADIAN ENERGY (CNS) LTD (08954960), PING PETROLEUM UK PLC (09698077)

TAILWIND ENERGY CHINOOK LTD, DECIPHER PRODUCTION LIMITED, IONA ENERGY COMPANY (UK) LIMITED, IONA ENERGY COMPANY (UK) PLC, IONA ENERGY COMPANY (UK) LIMITED, GOLFDEE LIMITED

CNOOC PETROLEUM EUROPE LIMITED (01051137), ENQUEST HEATHER LIMITED (02748866), NEO ENERGY (ZEX) LIMITED (05834920), ONE-DYAS UK LIMITED (03531783)
CNOOC INTERNATIONAL, ENQUEST PLC, NEO ENERGY GROUP, ONE-DYAS

ATLANTIC, BUZZARD, GOLDEN EAGLE, PEREGRINE, SOLITAIRE
CNOOC PETROLEUM EUROPE LIMITED (01051137), ENQUEST HEATHER LIMITED (02748866), EQUINOR UK LIMITED (01285743), NEO ENERGY (ZEX) LIMITED (05834920), ONE-DYAS UK LIMITED (03531783), PREMIER OIL UK LIMITED (SC048705)
CNOOC INTERNATIONAL, ENQUEST PLC, EQUINOR ASA, HARBOUR ENERGY PLC, NEO ENERGY GROUP, ONE-DYAS

GANNET A, GANNET B, GANNET C, GANNET D, GANNET E, GANNET F, GANNET G, GUILLEMOT A, GUILLEMOT WEST, TEAL, TEAL SOUTH
ANASURIA HIBISCUS UK LIMITED (09696268), DANA PETROLEUM (E&P) LIMITED (02294746), NEO ENERGY PETROLEUM LIMITED (03288689), PING PETROLEUM UK PLC (09698077), SERICA ENERGY CHINOOK LIMITED (SC335305), SERICA ENERGY MISTRAL LIMITED (04458621), SHELL U.K. LIMITED (00140141)
DANA PETROLEUM LIMITED, HIBISCUS PETROLEUM, NEO ENERGY GROUP, PING PETROLEUM LIMITED, SERICA ENERGY, SHELL PLC
SHELL U.K. LIMITED (00140141), SERICA ENERGY CHINOOK LIMITED (SC335305), ANASURIA OPERATING COMPANY LIMITED (09698591), DANA PETROLEUM (E&P) LIMITED (02294746)
SHELL PLC, SERICA ENERGY, ANASURIA OPERATING COMPANY LIMITED, DANA PETROLEUM LIMITED

DANA PETROLEUM (E&P) LIMITED (02294746), SERICA ENERGY MISTRAL LIMITED (04458621), WALDORF PETROLEUM RESOURCES LIMITED (03949599), WALDORF PRODUCTION UK PLC (05030838)
DANA PETROLEUM LIMITED, SERICA ENERGY, WALDORF PRODUCTION

DANA PETROLEUM (E&P) LIMITED (02294746), SERICA ENERGY MISTRAL LIMITED (04458621)

CLAPHAM, GUILLEMOT NORTH WEST, GUILLEMOT WEST

CUADRILLA ELSWICK (NO.2) LIMITED (07153115), CUADRILLA ELSWICK LIMITED (06956498), ELSWICK POWER LIMITED (08542050)

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), BRITOIL LIMITED (SC077750), ENTERPRISE OIL MIDDLE EAST LIMITED (02650009), ITHACA SP E&P LIMITED (01504603), SHELL U.K. LIMITED (00140141), SHELL U.K. NORTH ATLANTIC LIMITED (04801731)
BP EXPLORATION, ITHACA ENERGY, SHELL PLC
ITHACA SP E&P LIMITED (01504603), BP EXPLORATION OPERATING COMPANY LIMITED (00305943), BRITOIL LIMITED (SC077750)
BRITOIL PUBLIC LIMITED COMPANY, BRITOIL LIMITED

ANGUS ENERGY WEALD BASIN NO.3 LIMITED (SC055329), CUADRILLA BALCOMBE LIMITED (06811588), LUCAS BOLNEY LIMITED (08355125)
A J LUCAS GROUP, ANGUS ENERGY, CUADRILLA RESOURCES
ANGUS ENERGY WEALD BASIN NO.3 LIMITED (SC055329)
KEY PETROLEUM WEALD BASIN LIMITED, MIDMAR ENERGY ONSHORE LIMITED, SAGA PETROLEUM ONSHORE UK LIMITED, SANTA FE MINERALS ONSHORE (U.K.) LIMITED, DENHOLM EXPLORATION LIMITED

BRITOIL PUBLIC LIMITED COMPANY, BRITOIL LIMITED

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), BRITOIL LIMITED (SC077750), SHELL U.K. LIMITED (00140141)
BP EXPLORATION OPERATING COMPANY LIMITED (00305943), BRITOIL LIMITED (SC077750)

IDEMITSU PETROLEUM UK LTD., PETRO SUMMIT INVESTMENT UK LIMITED, INTREPID ENERGY C.N.S. LIMITED, ENTERPRISE OIL PRODUCTION LIMITED, ELF ENTERPRISE LIMITED, TODAYMARKET LIMITED

DNO EXPLORATION UK LIMITED (SC487108), ROCKROSE UKCS4 LIMITED (02552901)
IDEMITSU PETROLEUM UK LTD., PETRO SUMMIT INVESTMENT UK LIMITED, INTREPID ENERGY C.N.S. LIMITED, ENTERPRISE OIL PRODUCTION LIMITED, ELF ENTERPRISE LIMITED, TODAYMARKET LIMITED

DNO EXPLORATION UK LIMITED (SC487108), ROCKROSE UKCS4 LIMITED (02552901), SHELL U.K. LIMITED (00140141)
DNO NORTH SEA, ROCKROSE ENERGY, SHELL PLC

DART ENERGY (EAST ENGLAND) LIMITED (06760546)
COMPOSITE ENERGY (EAST ENGLAND) LIMITED, MM&S (5432) LIMITED

RATHLIN ENERGY (UK) LIMITED (06478035), REABOLD RESOURCES PLC (03542727), UNION JACK OIL PLC (07497220)
RATHLIN ENERGY, REABOLD RESOURCES, UNION JACK OIL PLC

SICCAR POINT ENERGY E&P LIMITED, OMV (U.K.) LIMITED, OMV INTERNATIONAL MARKETING LIMITED, OEMV TRADING AND EXPLORATION (U.K.) LIMITED, OEMV EXPLORATION (U.K.) LIMITED, BIDBILL LIMITED

GLENTWORTH, NETTLEHAM, SCAMPTON, SCAMPTON NORTH, STAINTON, WELTON
DART ENERGY (EAST ENGLAND) LIMITED (06760546), ISLAND GAS LIMITED (04962079)

SHELL U.K. LIMITED (00140141), TOTALENERGIES E&P UK LIMITED (00811900)
SHELL PLC, TOTALENERGIES UPSTREAM UK LIMITED

ORCADIAN ENERGY (CNS) LTD (08954960), TRIANGLE ENERGY (UK) PTY LTD (14725345)
PHARIS ENERGY LTD, THE STEAM OIL PRODUCTION COMPANY LTD

ENI ENERGY E&P UK LIMITED (01483021), SPIRIT ENERGY NORTH SEA LIMITED (04594558), SPIRIT ENERGY SOUTHERN NORTH SEA LIMITED (05735294)
NEPTUNE E&P UK LIMITED, NEPTUNE E&P UKCS LTD, ENGIE E&P UKCS LIMITED, GDF SUEZ E&P UKCS LTD, GAZ DE FRANCE BRITAIN E&P LIMITED, CALENERGY GAS (UK) LIMITED, SOVEREIGN EXPLORATION LIMITED, DESLINK LIMIT

SERICA ENERGY (UK) LIMITED (04073712), SERICA ENERGY MISTRAL LIMITED (04458621), WALDORF PRODUCTION UK PLC (05030838)

CHRYSAOR LIMITED (06418649), REPSOL DELTA LIMITED (11021922), RIGEL PETROLEUM UK LIMITED (03389978), ROCKROSE UKCS4 LIMITED (02552901), SERICA ENERGY (UK) LIMITED (04073712), SERICA ENERGY MISTRAL LIMITED (04458621), WALDORF PRODUCTION UK PLC (05030838)
HARBOUR ENERGY PLC, REPSOL RESOURCES UK, ROCKROSE ENERGY, SERICA ENERGY, WALDORF PRODUCTION
CHRYSAOR LIMITED (06418649), NO OPERATOR, SERICA ENERGY (UK) LIMITED (04073712), REPSOL RESOURCES UK LIMITED (00825828)
HARBOUR ENERGY PLC, NO OPERATOR, SERICA ENERGY, REPSOL RESOURCES UK

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), ENI ENERGY E&P UK LIMITED (01483021), JAPEX UK E&P LIMITED (08946587)
BP EXPLORATION, ENI UK LIMITED, JAPAN PETROLEUM EXPLORATION CO.

DART ENERGY (EAST ENGLAND) LIMITED (06760546), INEOS UPSTREAM LIMITED (09121775)

DART ENERGY (EAST ENGLAND) LIMITED (06760546), INEOS UPSTREAM LIMITED (09121775)
DART ENERGY (EAST ENGLAND) LIMITED (06760546)
COMPOSITE ENERGY (EAST ENGLAND) LIMITED, MM&S (5432) LIMITED

ONE-DYAS UK LIMITED (03531783), SHELL U.K. LIMITED (00140141)
ORANJE-NASSAU ENERGIE RESOURCES LIMITED, STERLING RESOURCES (UK) LTD., STERLING RESOURCES (UK) PLC, STERLING RESOURCES (UK) LTD.

HORIZON ENERGY ACQUISITION LIMITED (11825473), HORIZON ENERGY PARTNERS LIMITED (09245321)
HORIZON ENERGY PARTNERS LIMITED (09245321), NO OPERATOR

CHRYSAOR LIMITED (06418649), CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), ENI ELGIN/FRANKLIN LIMITED (03772746), REPSOL RESOURCES UK LIMITED (00825828), RIGEL PETROLEUM (NI) LIMITED (NI029801)
ENI UK LIMITED, HARBOUR ENERGY PLC, REPSOL RESOURCES UK
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), REPSOL RESOURCES UK LIMITED (00825828)

ENI ENERGY E&P UK LIMITED (01483021), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
ENI UK LIMITED, TOTALENERGIES UPSTREAM UK LIMITED
TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
TOTAL E&P NORTH SEA UK LIMITED, MAERSK OIL NORTH SEA UK LIMITED, KERR-MCGEE NORTH SEA (U.K.) LIMITED, ORYX NORTH SEA (UK) LIMITED, PLUSVALE LIMITED

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), CNOOC PETROLEUM EUROPE LIMITED (01051137), CNR INTERNATIONAL (U.K.) LIMITED (00813187), NEO ENERGY CENTRAL NORTH SEA LIMITED (05894683), NEO ENERGY PETROLEUM LIMITED (03288689), NOBLE ENERGY (OILEX) LIMITED (00797339), PREMIER OIL E&P UK LIMITED (02761032), SERICA ENERGY MISTRAL LIMITED (04458621), SPIRIT ENERGY NORTH SEA OIL LIMITED (SC210361), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
BP EXPLORATION, CHEVRON CORPORATION, CNOOC INTERNATIONAL, CNR INTERNATIONAL, HARBOUR ENERGY PLC, NEO ENERGY GROUP, SERICA ENERGY, SPIRIT ENERGY, TOTALENERGIES UPSTREAM UK LIMITED
CNR INTERNATIONAL (U.K.) LIMITED (00813187), SERICA ENERGY MISTRAL LIMITED (04458621), BP EXPLORATION OPERATING COMPANY LIMITED (00305943)
CNR INTERNATIONAL, SERICA ENERGY, BP EXPLORATION

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), NEO ENERGY CENTRAL NORTH SEA LIMITED (05894683)

BP EXPLORATION OPERATING COMPANY LIMITED (00305943), NEO ENERGY PETROLEUM LIMITED (03288689), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
BP EXPLORATION, NEO ENERGY GROUP, TOTALENERGIES UPSTREAM UK LIMITED
TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)

CLEETON, HELVELLYN, HOTON, HYDE, NEPTUNE, NEWSHAM, RAVENSPURN N[pt.of RAVENSPURN], RAVENSPURN S[pt.of RAVENSPURN], WEST SOLE
DANA PETROLEUM (E&P) LIMITED (02294746), PERENCO NORTH SEA LIMITED (SC293676), PERENCO UK LIMITED (04653066)
DANA PETROLEUM LIMITED, PERENCO OIL & GAS
DANA PETROLEUM (E&P) LIMITED (02294746), PERENCO UK LIMITED (04653066)

ITHACA MA LIMITED (03947050), NEO ENERGY (ZEX) LIMITED (05834920)

CNOOC PETROLEUM EUROPE LIMITED (01051137), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
CNOOC INTERNATIONAL, TOTALENERGIES UPSTREAM UK LIMITED

EQUINOR UK LIMITED (01285743), EQUINOR WOS LIMITED (00972618)

PERENCO NORTH SEA LIMITED (SC293676), PERENCO UK LIMITED (04653066)

JOHNSTON, RAVENSPURN N[pt.of RAVENSPURN], RAVENSPURN S[pt.of RAVENSPURN]
DANA PETROLEUM (E&P) LIMITED (02294746), PERENCO UK LIMITED (04653066), PREMIER OIL E&P UK EU LIMITED (02907493)
DANA PETROLEUM LIMITED, HARBOUR ENERGY PLC, PERENCO OIL & GAS
PERENCO UK LIMITED (04653066), PREMIER OIL E&P UK EU LIMITED (02907493)
E.ON E&P UK EU LIMITED, E.ON RUHRGAS UK EU LIMITED, CALEDONIA EU LIMITED, CONSORT EU LIMITED, TXU EUROPE UPSTREAM LIMITED, EASTERN NATURAL GAS (OFFSHORE) LIMITED, EASTERN THREE LIMITED

ORCADIAN ENERGY (CNS) LTD (08954960), PARKMEAD (E&P) LIMITED (SC397002)

EGDON RESOURCES U.K. LIMITED (03424561), UNION JACK OIL PLC (07497220)

EGDON RESOURCES U.K. LIMITED (03424561), MONTROSE INDUSTRIES LIMITED (00654944), UNION JACK OIL PLC (07497220)
HEYCO ENERGY GROUP, MONTROSE INDUSTRIES, UNION JACK OIL PLC

APACHE NORTH SEA LIMITED (04614761), BP EXPLORATION OPERATING COMPANY LIMITED (00305943), CHRYSAOR LIMITED (06418649), ITHACA ENERGY (UK) LIMITED (SC272009), ITHACA MA LIMITED (03947050), SERICA ENERGY MISTRAL LIMITED (04458621)
APACHE CORPORATION, BP EXPLORATION, HARBOUR ENERGY PLC, ITHACA ENERGY, SERICA ENERGY
APACHE NORTH SEA LIMITED (04614761), BP EXPLORATION OPERATING COMPANY LIMITED (00305943), ITHACA ENERGY (UK) LIMITED (SC272009)
APACHE CORPORATION, BP EXPLORATION, ITHACA ENERGY

BRITOIL LIMITED (SC077750), CHRYSAOR LIMITED (06418649), ITHACA ENERGY (UK) LIMITED (SC272009), ITHACA MA LIMITED (03947050), PREMIER OIL UK LIMITED (SC048705), SERICA ENERGY MISTRAL LIMITED (04458621)
BP EXPLORATION, HARBOUR ENERGY PLC, ITHACA ENERGY, SERICA ENERGY
ITHACA ENERGY (UK) LIMITED (SC272009), PREMIER OIL UK LIMITED (SC048705)

NEO ENERGY PETROLEUM LIMITED (03288689), SPIRIT ENERGY RESOURCES LIMITED (02855151), TAQA BRATANI LIMITED (05975475), TAQA BRATANI LNS LIMITED (06230540)
NEO ENERGY GROUP, SPIRIT ENERGY, TAQA EUROPA B.V.

DART ENERGY (EAST ENGLAND) LIMITED (06760546), EGDON RESOURCES U.K. LIMITED (03424561)
HEYCO ENERGY GROUP, STAR ENERGY GROUP PLC
DART ENERGY (EAST ENGLAND) LIMITED (06760546)
COMPOSITE ENERGY (EAST ENGLAND) LIMITED, MM&S (5432) LIMITED

DART ENERGY (EAST ENGLAND) LIMITED (06760546), EGDON RESOURCES U.K. LIMITED (03424561), INEOS UPSTREAM LIMITED (09121775)
HEYCO ENERGY GROUP, INEOS INDUSTRIES, STAR ENERGY GROUP PLC

ITHACA SP E&P LIMITED (01504603), SHELL U.K. LIMITED (00140141)
SICCAR POINT ENERGY E&P LIMITED, OMV (U.K.) LIMITED, OMV INTERNATIONAL MARKETING LIMITED, OEMV TRADING AND EXPLORATION (U.K.) LIMITED, OEMV EXPLORATION (U.K.) LIMITED, BIDBILL LIMITED

HORIZON ENERGY ACQUISITION LIMITED (11825473), HORIZON ENERGY PARTNERS LIMITED (09245321), REABOLD SOUTHERN NORTH SEA LIMITED (07905535)

HORIZON ENERGY ACQUISITION LIMITED (11825473), HORIZON ENERGY PARTNERS LIMITED (09245321)

PA RESOURCES NORTH SEA LIMITED, REAP 29/25 LTD

CUADRILLA NORTH CLEVELAND LIMITED (10315761), EGDON RESOURCES U.K. LIMITED (03424561)

BRIDGE PETROLEUM 1 LIMITED (10045796), BRIDGE PETROLEUM 5 LIMITED (10651049)

BRITOIL LIMITED (SC077750), CHRYSAOR (U.K.) THETA LIMITED (01491002), CNR INTERNATIONAL (U.K.) LIMITED (00813187), EQUINOR UK LIMITED (01285743), MCX DUNLIN (UK) LIMITED (06451712)
BP EXPLORATION, CNR INTERNATIONAL, EQUINOR ASA, HARBOUR ENERGY PLC, MITSUBISHI CORPORATION

CONRIE, DEVERON, DON, DON SOUTH WEST, OSPREY, THISTLE, WEST DON
BRITOIL LIMITED (SC077750), CHRYSAOR (U.K.) THETA LIMITED (01491002), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), ENQUEST HEATHER LIMITED (02748866), ITHACA OIL AND GAS LIMITED (01546623), MCX OSPREY (UK) LIMITED (06451720)
BP EXPLORATION, ENQUEST PLC, HARBOUR ENERGY PLC, ITHACA ENERGY, MITSUBISHI CORPORATION

DART ENERGY (EAST ENGLAND) LIMITED (06760546), EGDON RESOURCES U.K. LIMITED (03424561), REGENT PARK ENERGY LIMITED (04557422)
HEYCO ENERGY GROUP, INFINIS ENERGY, STAR ENERGY GROUP PLC
DART ENERGY (EAST ENGLAND) LIMITED (06760546), REGENT PARK ENERGY LIMITED (04557422)

APACHE NORTH SEA LIMITED (04614761), DNO NORTH SEA (U.K.) LIMITED (04848017), NEO ENERGY CENTRAL NORTH SEA LIMITED (05894683), NEO ENERGY PRODUCTION UK LIMITED (12086835), RIGEL PETROLEUM (NI) LIMITED (NI029801), SHELL U.K. LIMITED (00140141), SPIRIT ENERGY RESOURCES LIMITED (02855151), WALDORF PRODUCTION UK PLC (05030838)
APACHE CORPORATION, DNO NORTH SEA, NEO ENERGY GROUP, REPSOL RESOURCES UK, SHELL PLC, SPIRIT ENERGY, WALDORF PRODUCTION
NEO ENERGY PRODUCTION UK LIMITED (12086835), APACHE NORTH SEA LIMITED (04614761), SHELL U.K. LIMITED (00140141), REPSOL RESOURCES UK LIMITED (00825828)
NEO ENERGY GROUP, APACHE CORPORATION, SHELL PLC, REPSOL RESOURCES UK

HARTSHEAD RESOURCES LTD (11971748), MERIDIAN RESOURCES UK LIMITED

DANA PETROLEUM (E&P) LIMITED (02294746), NEO ENERGY (ZEX) LIMITED (05834920)
DANA PETROLEUM LIMITED, NEO ENERGY GROUP
DANA PETROLEUM (E&P) LIMITED (02294746), TAQA BRATANI LIMITED (05975475)
DANA PETROLEUM LIMITED, TAQA EUROPA B.V.

CHRYSAOR LIMITED (06418649), CHRYSAOR NORTH SEA LIMITED (00958880)
BG INTERNATIONAL (CNS) LIMITED, HYDROCARBONS GREAT BRITAIN LIMITED

GAZPROM UK RESOURCES, S.A. (FC031912), WINTERSHALL NOORDZEE B.V. (FC027567), XTO UK, LTD (05458042)
EXXONMOBIL INTERNATIONAL, GAZPROM INTERNATIONAL, WINTERSHALL NOORDZEE

CALENERGY NORTH SEA LIMITED (07632999), CALENERGY RESOURCES (UK) LIMITED (11999607)
IOG NORTH SEA LIMITED, IOG BLYTHE LIMITED

CALENERGY RESOURCES (UK) LIMITED (11999607), CALENERGY SNS LIMITED (08619688)
IOG UK LTD, IOG SOUTHERN NORTH SEA LIMITED, IOG UK LTD, IOG UK LTD., OYSTER PETROLEUM LIMITED

BG INTERNATIONAL LIMITED (00902239), CHRYSAOR LIMITED (06418649), CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712), ENI ELGIN/FRANKLIN LIMITED (03772746), ITHACA GSA LIMITED (FC033620), ITHACA SP E&P LIMITED (01504603)
ENI UK LIMITED, HARBOUR ENERGY PLC, ITHACA ENERGY, SHELL PLC
BG INTERNATIONAL LIMITED (00902239), CHRYSAOR LIMITED (06418649), CHRYSAOR PETROLEUM COMPANY U.K. LIMITED (00792712)

BLANE, CULZEAN, JACKDAW, MERGANSER, MIRREN, PIERCE
BG INTERNATIONAL LIMITED (00902239), BP EXPLORATION OPERATING COMPANY LIMITED (00305943), BRITOIL LIMITED (SC077750), DANA PETROLEUM (BVUK) LIMITED (03337437), DNO NORTH SEA (ROGB) LIMITED (01852301), DNO NORTH SEA (U.K.) LIMITED (04848017), ENTERPRISE OIL LIMITED (01682048), ITHACA SP E&P LIMITED (01504603), NEO ENERGY PETROLEUM LIMITED (03288689), PREMIER OIL UK LIMITED (SC048705), REPSOL RESOURCES UK LIMITED (00825828), SHELL U.K. LIMITED (00140141), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
BP EXPLORATION, DANA PETROLEUM LIMITED, DNO NORTH SEA, HARBOUR ENERGY PLC, ITHACA ENERGY, NEO ENERGY GROUP, REPSOL RESOURCES UK, SHELL PLC, TOTALENERGIES UPSTREAM UK LIMITED
BP EXPLORATION OPERATING COMPANY LIMITED (00305943), PREMIER OIL UK LIMITED (SC048705), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299), ENTERPRISE OIL LIMITED (01682048), BG INTERNATIONAL LIMITED (
BP EXPLORATION, HARBOUR ENERGY PLC, TOTALENERGIES UPSTREAM UK LIMITED, SHELL PLC, REPSOL RESOURCES UK

BG EXPLORATION AND PRODUCTION LIMITED, BRITISH GAS EXPLORATION AND PRODUCTION LIMITED, GAS COUNCIL (EXPLORATION) LIMITED

CURLEW B + D, CURLEW C, EGRET, FRAM, HERON, MERGANSER, SCOTER, STARLING
ESSO EXPLORATION AND PRODUCTION UK LIMITED (00207426), NEO ENERGY NATURAL RESOURCES LIMITED (13018823), NEO ENERGY PETROLEUM LIMITED (03288689), SHELL U.K. LIMITED (00140141)
EXXONMOBIL INTERNATIONAL, NEO ENERGY GROUP, SHELL PLC

EVEREST, FLEMING, HAWKINS, MADOES, MARIA, MAUREEN, MOIRA
ARCO BRITISH LIMITED, LLC (FC005677), BP EXPLORATION OPERATING COMPANY LIMITED (00305943), CHRYSAOR LIMITED (06418649), CHRYSAOR NORTH SEA LIMITED (00958880)
CHRYSAOR LIMITED (06418649), NO OPERATOR, BP EXPLORATION OPERATING COMPANY LIMITED (00305943), CHRYSAOR NORTH SEA LIMITED (00958880)
HARBOUR ENERGY PLC, NO OPERATOR, BP EXPLORATION
BG INTERNATIONAL (CNS) LIMITED, HYDROCARBONS GREAT BRITAIN LIMITED

NEPTUNE E&P UK LIMITED, NEPTUNE E&P UKCS LTD, ENGIE E&P UKCS LIMITED, GDF SUEZ E&P UKCS LTD, GAZ DE FRANCE BRITAIN E&P LIMITED, CALENERGY GAS (UK) LIMITED, SOVEREIGN EXPLORATION LIMITED, DESLINK LIMIT

KISTOS ENERGY LIMITED (12859749), TOTALENERGIES E&P UK LIMITED (00811900)
KISTOS PLC, TOTALENERGIES UPSTREAM UK LIMITED

COMTRACK (UK) LIMITED (09411128), HARTSHEAD RESOURCES LTD (11971748)

INEOS UK SNS LIMITED (01021338), ONE-DYAS UK LIMITED (03531783)
DEA UK SNS LIMITED, RWE DEA UK SNS LIMITED, RWE.DEA UK SNS LIMITED, HIGHLAND ENERGY SNS LIMITED, WINTERSHALL (U.K.) LIMITED

DANA PETROLEUM (E&P) LIMITED (02294746), DELTIC ENERGY PLC (07958581), SHELL U.K. LIMITED (00140141)
DANA PETROLEUM LIMITED, DELTIC ENERGY, SHELL PLC

ESSO EXPLORATION AND PRODUCTION UK LIMITED (00207426), INEOS CLIPPER SOUTH C LIMITED (04967270), INEOS E&P (UK) LIMITED (04376184), SHELL U.K. LIMITED (00140141), SPIRIT ENERGY SOUTHERN NORTH SEA LIMITED (05735294)
EXXONMOBIL INTERNATIONAL, INEOS INDUSTRIES, SHELL PLC, SPIRIT ENERGY
INEOS E&P (UK) LIMITED (04376184), SHELL U.K. LIMITED (00140141)

INEOS CLIPPER SOUTH C LIMITED (04967270), INEOS E&P (UK) LIMITED (04376184), SPIRIT ENERGY SOUTHERN NORTH SEA LIMITED (05735294)
DONG E&P (UK) LIMITED, DONG (UK) LIMITED

CALENERGY RESOURCES (UK) LIMITED (11999607), CALENERGY SNS LIMITED (08619688), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), SPIRIT ENERGY NORTH SEA LIMITED (04594558), SPIRIT ENERGY RESOURCES LIMITED (02855151)
CALENERGY GAS (HOLDINGS), HARBOUR ENERGY PLC, SPIRIT ENERGY
CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), SPIRIT ENERGY NORTH SEA LIMITED (04594558)

BARQUE, BARQUE SOUTH, BRIGANTINE A, BRIGANTINE B, BRIGANTINE C, BRIGANTINE D, CLIPPER NORTH, CLIPPER SOUTH, ENSIGN, GALLEON, NORTH VALIANT, SKIFF
CHRYSAOR DEVELOPMENTS LIMITED (02180666), ESSO EXPLORATION AND PRODUCTION UK LIMITED (00207426), INEOS CLIPPER SOUTH C LIMITED (04967270), INEOS E&P (UK) LIMITED (04376184), SHELL U.K. LIMITED (00140141), SPIRIT ENERGY NORTH SEA LIMITED (04594558), SPIRIT ENERGY SOUTHERN NORTH SEA LIMITED (05735294)
EXXONMOBIL INTERNATIONAL, HARBOUR ENERGY PLC, INEOS INDUSTRIES, SHELL PLC, SPIRIT ENERGY
INEOS E&P (UK) LIMITED (04376184), SHELL U.K. LIMITED (00140141), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), SPIRIT ENERGY NORTH SEA LIMITED (04594558)
INEOS INDUSTRIES, SHELL PLC, HARBOUR ENERGY PLC, SPIRIT ENERGY

PERENCO NORTH SEA LIMITED (SC293676), PERENCO UK LIMITED (04653066), ROCKROSE UKCS 10 LIMITED (04105025)

BEAUFORT, BURE, HEWETT, LEMAN [PERENCO][pt. of LEMAN], PICKERILL, THAMES, THURNE, WENSUM, YARE
ENI UK LIMITED (00862823), ITHACA MA LIMITED (03947050), PERENCO GAS (UK) LIMITED (00715529), PERENCO UK LIMITED (04653066), ROCKROSE UKCS 10 LIMITED (04105025), SPIRIT ENERGY RESOURCES LIMITED (02855151), TULLOW OIL SK LIMITED (05287330)
ENI UK LIMITED, ITHACA ENERGY, PERENCO OIL & GAS, ROCKROSE ENERGY, SPIRIT ENERGY, TULLOW UK
PERENCO UK LIMITED (04653066), ENI UK LIMITED (00862823)

BOYLE, DAVY, DAVY EAST, NORTH DAVY, SOUTH SEAN
ONE-DYAS UK LIMITED (03531783), PERENCO UK LIMITED (04653066), ROCKROSE UKCS 10 LIMITED (04105025)
ONE-DYAS, PERENCO OIL & GAS, ROCKROSE ENERGY
PERENCO UK LIMITED (04653066), ONE-DYAS UK LIMITED (03531783)

ROCKROSE UKCS 10 LIMITED (04105025), SPIRIT ENERGY NORTH SEA LIMITED (04594558)

ARTHUR, BELL [CONOCOPHILLIPS], CALLISTO, EUROPA, EXCALIBUR, GANYMEDE, LEMAN [PERENCO][pt. of LEMAN], LEMAN SOUTH, SINOPE, VICTOR
PERENCO GAS (UK) LIMITED (00715529), PERENCO UK LIMITED (04653066), ROCKROSE UKCS 10 LIMITED (04105025)
PERENCO GAS (UK) LIMITED (00715529), PERENCO UK LIMITED (04653066)

CARRACK, EAST SEAN, NORTH SEAN, SHAMROCK, SOUTH SEAN
ESSO EXPLORATION AND PRODUCTION UK LIMITED (00207426), ONE-DYAS UK LIMITED (03531783), ROCKROSE UKCS 10 LIMITED (04105025), SHELL U.K. LIMITED (00140141)
EXXONMOBIL INTERNATIONAL, ONE-DYAS, ROCKROSE ENERGY, SHELL PLC
SHELL U.K. LIMITED (00140141), ONE-DYAS UK LIMITED (03531783)

CORVETTE, GAWAIN, LEMAN [SHELL][pt. of LEMAN], NORTH SEAN, SOUTH SEAN
ESSO EXPLORATION AND PRODUCTION UK LIMITED (00207426), ONE-DYAS UK LIMITED (03531783), SHELL U.K. LIMITED (00140141)
SHELL U.K. LIMITED (00140141), ONE-DYAS UK LIMITED (03531783)

APOLLO, BAIRD, BEAUFORT, BELL [PERENCO], BESSEMER, BRIGANTINE B, BURE, CALLISTO, CORVETTE, INDEFATIGABLE [PERENCO], INDEFATIGABLE SOUTH WEST, LEMAN [PERENCO][pt. of LEMAN], MINERVA, VICTOR, WOLLASTON,
ESSO EXPLORATION AND PRODUCTION UK LIMITED (00207426), PERENCO UK LIMITED (04653066), ROCKROSE UKCS 10 LIMITED (04105025), SHELL U.K. LIMITED (00140141), SPIRIT ENERGY RESOURCES LIMITED (02855151)
EXXONMOBIL INTERNATIONAL, PERENCO OIL & GAS, ROCKROSE ENERGY, SHELL PLC, SPIRIT ENERGY
PERENCO UK LIMITED (04653066), SHELL U.K. LIMITED (00140141), SPIRIT ENERGY RESOURCES LIMITED (02855151)
PERENCO OIL & GAS, SHELL PLC, SPIRIT ENERGY

PERENCO UK LIMITED (04653066), ROCKROSE UKCS 10 LIMITED (04105025)

ESSO EXPLORATION AND PRODUCTION UK LIMITED (00207426), ROCKROSE (UKCS3) LIMITED (04620801), SHELL U.K. LIMITED (00140141), SPIRIT ENERGY RESOURCES LIMITED (02855151)
EXXONMOBIL INTERNATIONAL, ROCKROSE ENERGY, SHELL PLC, SPIRIT ENERGY
SHELL U.K. LIMITED (00140141), SPIRIT ENERGY RESOURCES LIMITED (02855151)

ENI UK LIMITED (00862823), GAZPROM INTERNATIONAL UK LTD. (07877636), ONE-DYAS UK LIMITED (03531783), WINTERSHALL NOORDZEE B.V. (FC027567)
ENI UK LIMITED, GAZPROM INTERNATIONAL, ONE-DYAS, WINTERSHALL NOORDZEE

ALISON [CENTRICA], ALISON-KX [CONOCOPHILLIPS], ANN, APOLLO, AUDREY, DELILAH, DELLA, HEWETT, HYDE, MINERVA, NEPTUNE, SATURN (ANNABEL), TETHYS, VIKING A [pt of VIKING GROUP], VIKING E [pt of VIKING GROU
BRITOIL LIMITED (SC077750), CHRYSAOR PRODUCTION (U.K.) LIMITED (00524868), DANA PETROLEUM (E&P) LIMITED (02294746), ENI UK LIMITED (00862823), PERENCO NORTH SEA LIMITED (SC293676), PERENCO UK LIMITED (04653066), ROCKROSE UKCS 10 LIMITED (04105025)
BP EXPLORATION, DANA PETROLEUM LIMITED, ENI UK LIMITED, HARBOUR ENERGY PLC, PERENCO OIL & GAS, ROCKROSE ENERGY
PERENCO UK LIMITED (04653066), DANA PETROLEUM (E&P) LIMITED (02294746), ENI UK LIMITED (00862823)
PERENCO OIL & GAS, DANA PETROLEUM LIMITED, ENI UK LIMITED

BURGATE EXPLORATION & PRODUCTION LTD (07192080), ENERGYPATHWAYS IRISH SEA LIMITED (13560864)

EUROPA OIL & GAS LIMITED (03093716), I3 ENERGY NORTH SEA LIMITED (09187479)

SPIRIT ENERGY PRODUCTION UK LIMITED (03115179)
BURLINGTON RESOURCES (IRISH SEA) LIMITED, BURLINGTON RESOURCES (UK) LIMITED

ALTWOOD PETROLEUM LIMITED (02728156), EGDON RESOURCES U.K. LIMITED (03424561), SEVEN STAR NATURAL GAS LIMITED (05330862)
ALTWOOD PETROLEUM, HEYCO ENERGY GROUP, INFINIS ENERGY
SEVEN STAR NATURAL GAS LIMITED (05330862)

BALLINDALLOCH, BARNACLE, BRENT, GOLDENEYE, GRYPHON, TULLICH
EGDON RESOURCES (AURORA) LIMITED (SC301743), ESSO EXPLORATION AND PRODUCTION UK LIMITED (00207426), SHELL U.K. LIMITED (00140141), TOTALENERGIES E&P INTERNATIONAL K1 LIMITED (09849276), TOTALENERGIES E&P INTERNATIONAL K2 LIMITED (09849396), TOTALENERGIES E&P INTERNATIONAL K3 LIMITED (09849354), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299), TOTALENERGIES OFFSHORE UK LIMITED (00946986)
EXXONMOBIL INTERNATIONAL, HEYCO ENERGY GROUP, SHELL PLC, TOTALENERGIES UPSTREAM UK LIMITED
SHELL U.K. LIMITED (00140141), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299)
SHELL PLC, TOTALENERGIES UPSTREAM UK LIMITED

BLACKLAND PARK EXPLORATION LIMITED (01881647), TERRAIN ENERGY LIMITED (07004014)

ARBROATH, ARKWRIGHT, BRECHIN, CARNOUSTIE, CAYLEY, GODWIN, SHAW
ITHACA MA LIMITED (03947050), REPSOL DELTA LIMITED (11021922)

CAPTAIN, CLAYMORE, DUART, GALLEY, HIGHLANDER, PETRONELLA, TARTAN
DANA PETROLEUM (E&P) LIMITED (02294746), ITHACA SP E&P LIMITED (01504603), ITHACA SP O&G LIMITED (09858988), NEO ENERGY (PRODUCTION) LIMITED (05896824), REPSOL ALPHA LIMITED (04796268), REPSOL LNS LIMITED (02483161), REPSOL OIL TRADING LIMITED (02307374), REPSOL RESOURCES UK LIMITED (00825828), TRANSWORLD PETROLEUM (U.K.) LIMITED (01010787)
DANA PETROLEUM LIMITED, ITHACA ENERGY, NEO ENERGY GROUP, REPSOL RESOURCES UK
REPSOL RESOURCES UK LIMITED (00825828), ITHACA SP E&P LIMITED (01504603)

NEO ENERGY NATURAL RESOURCES LIMITED (13018823), REPSOL RESOURCES UK LIMITED (00825828), SHELL U.K. LIMITED (00140141), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299), TOTALENERGIES OFFSHORE UK LIMITED (00946986)
NEO ENERGY GROUP, REPSOL RESOURCES UK, SHELL PLC, TOTALENERGIES UPSTREAM UK LIMITED
REPSOL RESOURCES UK LIMITED (00825828), SHELL U.K. LIMITED (00140141), TOTALENERGIES E&P NORTH SEA UK LIMITED (03682299), TOTALENERGIES OFFSHORE UK LIMITED (00946986)
REPSOL RESOURCES UK, SHELL PLC, TOTALENERGIES UPSTREAM UK LIMITED

DANA PETROLEUM (E&P) LIMITED (02294746), REPSOL ALPHA LIMITED (04796268), REPSOL DELTA LIMITED (11021922), REPSOL NORTH SEA LIMITED (01061863), REPSOL OIL TRADING LIMITED (02307374), REPSOL RESOURCES UK LIMITED (00825828), RIGEL PETROLEUM (NI) LIMITED (NI029801), TRANSWORLD PETROLEUM (U.K.) LIMITED (01010787)
DANA PETROLEUM LIMITED, REPSOL RESOURCES UK

ITHACA MA LIMITED (03947050), NEO ENERGY (ZEX) LIMITED (05834920)
ITHACA OIL & GAS (U.K.) LIMITED, MARUBENI OIL & GAS (U.K.) LIMITED

EQUINOR UK LIMITED (01285743), ITHACA SP O&G LIMITED (09858988), ONE-DYAS E&P LIMITED (04024945)

DANA PETROLEUM (E&P) LIMITED (02294746), NEO ENERGY (ZEX) LIMITED (05834920)
DANA PETROLEUM LIMITED, NEO ENERGY GROUP

JERSEY PETROLEUM LTD (06490608), NEO ENERGY (ZEX) LIMITED (05834920), SERICA GBA LIMITED (15224480)
JERSEY OIL AND GAS PLC, NEO ENERGY GROUP, SERICA ENERGY

SK78c, SK78d, SK79b, SK79c, SK88a, SK88d, SK89d, SK89f, SK98a, SK99c
DART ENERGY (FORTH VALLEY) LIMITED, COMPOSITE ENERGY (FORTH VALLEY) LIMITED, MM&S (5084) LIMITED

DANA PETROLEUM (E&P) LIMITED (02294746), SERICA ENERGY MISTRAL LIMITED (04458621), WALDORF PRODUCTION UK PLC (05030838)
DANA PETROLEUM LIMITED, SERICA ENERGY, WALDORF PRODUCTION

ANASURIA HIBISCUS UK LIMITED (09696268), PING PETROLEUM UK PLC (09698077), RAPID OIL PRODUCTION LTD (09620240)
HIBISCUS PETROLEUM, PING PETROLEUM LIMITED, RAPID OIL PRODUCTION

ANASURIA HIBISCUS UK LIMITED (09696268), ITHACA SP E&P LIMITED (01504603), PING PETROLEUM UK PLC (09698077)
HIBISCUS PETROLEUM, ITHACA ENERGY, PING PETROLEUM LIMITED

CORMORANT NORTH, DON, EIDER, FALCON, KESTREL, MERLIN, OSPREY, PELICAN, PENGUIN EAST, PENGUIN WEST, SOUTH CORMORANT, TERN
BRITOIL LIMITED (SC077750), CNR INTERNATIONAL (U.K.) LIMITED (00813187), ITHACA ENERGY (UK) LIMITED (SC272009), MCX DUNLIN (UK) LIMITED (06451712), MCX OSPREY (UK) LIMITED (06451720), NEO ENERGY PETROLEUM LIMITED (03288689), SHELL U.K. LIMITED (00140141), TAQA BRATANI LIMITED (05975475)
BP EXPLORATION, CNR INTERNATIONAL, ITHACA ENERGY, MITSUBISHI CORPORATION, NEO ENERGY GROUP, SHELL PLC, TAQA EUROPA B.V.
TAQA BRATANI LIMITED (05975475), SHELL U.K. LIMITED (00140141)

ENI UKCS LIMITED (01019748), TOTALENERGIES E&P UK LIMITED (00811900)
ENI UK LIMITED, TOTALENERGIES UPSTREAM UK LIMITED