| Equity Holder | Block / Subarea | Interest | Operator | Licence |
| ITHACA (NE) E&P LIMITED | 22/29c REST | 35% | BP EXPLORATION OPERATING COMPANY LIMITED | P1622 |
| 22/29c SEAGULL | 35% | BP EXPLORATION OPERATING COMPANY LIMITED | P1622 |
| 43/20c | 100% | NO OPERATOR | P2664 |
| 44/11a | 85% | ITHACA (NE) E&P LIMITED | P1055 |
| 44/11b | 85% | ITHACA (NE) E&P LIMITED | P1731 |
| 44/12a | 85% | ITHACA (NE) E&P LIMITED | P1055 |
| 44/13a | 100% | NO OPERATOR | P2668 |
| 44/16a | 100% | NO OPERATOR | P2664 |
| 44/16c | 100% | NO OPERATOR | P2668 |
| 44/17a | 100% | NO OPERATOR | P2664 |
| 44/17b | 100% | NO OPERATOR | P2668 |
| 44/18a | 100% | NO OPERATOR | P2668 |
| 44/21b | 100% | NO OPERATOR | P2664 |
| 44/23a | 100% | NO OPERATOR | P2668 |
| |
| ITHACA EF LIMITED | 16/22b | 100% | NO OPERATOR | P2638 |
| 29/15 | 100% | NO OPERATOR | P2622 |
| 30/6a JPART | 33% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P11 |
| 30/6d | 100% | NO OPERATOR | P2622 |
| 30/7a | 33% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P32 |
| 30/7c | 33% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P2221 |
| 30/7d | 33% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P2399 |
| 30/8a | 33% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P2399 |
| 30/11c | 100% | NO OPERATOR | P2622 |
| 30/12a | 33% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P32 |
| 30/13d A | 15% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P79 |
| 30/16i | 100% | NO OPERATOR | P2622 |
| 30/20a | 15.84519% | CONOCOPHILLIPS (U.K.) HOLDINGS LIMITED | P2220 |
| |
| ITHACA ENERGY (UK) LIMITED | 13/23a | 100% | ITHACA ENERGY (UK) LIMITED | P2577 |
| 15/29a ALDER | 73.684% | ITHACA ENERGY (UK) LIMITED | P119 |
| 15/29a AREA A | 73.684% | ITHACA ENERGY (UK) LIMITED | P119 |
| 16/26a C-10K | 12.65% | ITHACA OIL AND GAS LIMITED | P213 |
| 16/27b AREAA | 26% | ITHACA MA LIMITED | P345 |
| 23/26a AREAB | 25% | ITHACA ENERGY (UK) LIMITED | P57 |
| 23/26b AREAB | 25% | ITHACA ENERGY (UK) LIMITED | P264 |
| 23/26b AREAC | 60% | ITHACA ENERGY (UK) LIMITED | P264 |
| 23/26d AREAC | 60% | ITHACA ENERGY (UK) LIMITED | P264 |
| 29/10a C | 65.6% | ITHACA ENERGY (UK) LIMITED | P11 |
| 30/1b | 100% | ITHACA ENERGY (UK) LIMITED | P2619 |
| 30/2f | 100% | ITHACA ENERGY (UK) LIMITED | P2619 |
| 30/6a D | 65.6% | ITHACA ENERGY (UK) LIMITED | P11 |
| 204/4a | 30% | ITHACA SP E&P LIMITED | P1189 |
| 204/5a | 30% | ITHACA SP E&P LIMITED | P1189 |
| 204/9a | 30% | ITHACA SP E&P LIMITED | P1028 |
| 204/10a | 30% | ITHACA SP E&P LIMITED | P1028 |
| 211/22c AREA A | 44% | ITHACA ENERGY (UK) LIMITED | P201 |
| 211/22c AREA B | 44% | ITHACA ENERGY (UK) LIMITED | P201 |
| 211/22c AREA C | 79.5% | ITHACA ENERGY (UK) LIMITED | P201 |
| 211/23d | 44% | ITHACA ENERGY (UK) LIMITED | P1383 |
| |
| ITHACA EPSILON LIMITED | 211/22c AREA A | 10% | ITHACA ENERGY (UK) LIMITED | P201 |
| 211/22c AREA B | 10% | ITHACA ENERGY (UK) LIMITED | P201 |
| 211/22c AREA C | 10% | ITHACA ENERGY (UK) LIMITED | P201 |
| 211/23d | 10% | ITHACA ENERGY (UK) LIMITED | P1383 |
| |
| ITHACA GAMMA LIMITED | 211/22c AREA A | 10.5% | ITHACA ENERGY (UK) LIMITED | P201 |
| 211/22c AREA B | 10.5% | ITHACA ENERGY (UK) LIMITED | P201 |
| 211/22c AREA C | 10.5% | ITHACA ENERGY (UK) LIMITED | P201 |
| 211/23d | 10.5% | ITHACA ENERGY (UK) LIMITED | P1383 |
| |
| ITHACA GSA LIMITED | 21/2d | 12% | NEO ENERGY PETROLEUM LIMITED | P2350 |
| 21/3a AREA A | 25% | CHRYSAOR PRODUCTION (U.K.) LIMITED | P118 |
| 21/3a AREA B | 12% | CHRYSAOR PRODUCTION (U.K.) LIMITED | P118 |
| 21/3b AREA B | 12% | CHRYSAOR PRODUCTION (U.K.) LIMITED | P741 |
| 21/3d | 12% | NEO ENERGY PETROLEUM LIMITED | P2350 |
| 21/4c | 12% | NEO ENERGY PETROLEUM LIMITED | P2350 |
| 21/5a | 50% | CHRYSAOR PRODUCTION (U.K.) LIMITED | P103 |
| 29/10a C | 20% | ITHACA ENERGY (UK) LIMITED | P11 |
| 30/2c JADE | 14.93% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P672 |
| 30/6a D | 20% | ITHACA ENERGY (UK) LIMITED | P11 |
| 30/7b JADE SOUTH | 14.93% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P1589 |
| 30/13e | 33% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P2456 |
| |
| ITHACA J E&P LIMITED | 22/29c REST | 15% | BP EXPLORATION OPERATING COMPANY LIMITED | P1622 |
| 22/29c SEAGULL | 15% | BP EXPLORATION OPERATING COMPANY LIMITED | P1622 |
| |
| ITHACA MA LIMITED | 3/7a A-NTH | 20% | CNR INTERNATIONAL (U.K.) LIMITED | P203 |
| 3/7a AREAB | 20% | CNR INTERNATIONAL (U.K.) LIMITED | P203 |
| 3/8a COLB | 5.6% | CNR INTERNATIONAL (U.K.) LIMITED | P199 |
| 3/8a COLD | 5.6% | CNR INTERNATIONAL (U.K.) LIMITED | P199 |
| 15/22b | 50% | NO OPERATOR | P2636 |
| 15/23b | 50% | NO OPERATOR | P2636 |
| 15/27a | 50% | NO OPERATOR | P2637 |
| 15/28a | 50% | NO OPERATOR | P2637 |
| 15/29a AREA B | 75% | ITHACA MA LIMITED | P119 |
| 15/29a AREA C | 75% | ITHACA MA LIMITED | P119 |
| 15/29b | 20% | CHRYSAOR PRODUCTION (U.K.) LIMITED | P590 |
| 15/29d | 50% | ITHACA MA LIMITED | P2609 |
| 15/30a L-RST | 50.63391% | CHRYSAOR PRODUCTION (U.K.) LIMITED | P103 |
| 15/30a S-BRI | 33.03% | CHRYSAOR PRODUCTION (U.K.) LIMITED | P103 |
| 16/26a B-BRI | 33.16665% | ITHACA MA LIMITED | P213 |
| 16/27b AREAA | 35.75% | ITHACA MA LIMITED | P345 |
| 16/27b AREAB | 35.75% | ITHACA MA LIMITED | P345 |
| 21/4a | 13.7% | CHRYSAOR PRODUCTION (U.K.) LIMITED | P347 |
| 22/17n | 41.03% | NEO ENERGY RESOURCES UK LIMITED | P19 |
| 22/17s | 41.03% | NEO ENERGY RESOURCES UK LIMITED | P291 |
| 22/18a | 41.03% | NEO ENERGY RESOURCES UK LIMITED | P292 |
| 22/18n | 41.03% | NEO ENERGY RESOURCES UK LIMITED | P20 |
| 22/22a | 41.03% | NEO ENERGY RESOURCES UK LIMITED | P291 |
| 22/23a | 41.03% | NEO ENERGY RESOURCES UK LIMITED | P291 |
| 23/26a AREAB | 25% | ITHACA ENERGY (UK) LIMITED | P57 |
| 23/26b AREAB | 25% | ITHACA ENERGY (UK) LIMITED | P264 |
| 30/1c LOWER | 50% | BP EXPLORATION OPERATING COMPANY LIMITED | P363 |
| 30/1c UPPER | 20% | BP EXPLORATION OPERATING COMPANY LIMITED | P363 |
| 30/1f | 100% | ITHACA MA LIMITED | P1588 |
| |
| ITHACA OIL AND GAS LIMITED | 3/4a AREAB | 0% | CNR INTERNATIONAL (U.K.) DEVELOPMENTS LIMITED | P119 |
| 13/17c | 100% | ITHACA OIL AND GAS LIMITED | P2513 |
| 13/21b | 100% | ITHACA OIL AND GAS LIMITED | P2513 |
| 13/22b | 100% | ITHACA OIL AND GAS LIMITED | P2513 |
| 16/26a A-ALB | 36.66665% | ITHACA OIL AND GAS LIMITED | P213 |
| 16/26a C-10K | 21.85% | ITHACA OIL AND GAS LIMITED | P213 |
| 22/1b | 100% | ITHACA OIL AND GAS LIMITED | P2373 |
| 29/10a C | 14.4% | ITHACA ENERGY (UK) LIMITED | P11 |
| 30/6a D | 14.4% | ITHACA ENERGY (UK) LIMITED | P11 |
| |
| ITHACA SP E&P LIMITED | 13/22a | 75% | ITHACA SP E&P LIMITED | P324 |
| 21/19c | 61.346155% | NO OPERATOR | P2532 |
| 21/20a | 61.346155% | ITHACA SP E&P LIMITED | P185 |
| 22/12a D | 10% | APACHE NORTH SEA LIMITED | P77 |
| 22/30b ELGN | 27.9545% | TOTALENERGIES E&P UK LIMITED | P188 |
| 22/30c | 27.9545% | TOTALENERGIES E&P UK LIMITED | P666 |
| 23/22a | 34.0127% | ADURA OPERATIONS LIMITED | P111 |
| 29/5b | 27.9545% | TOTALENERGIES E&P UK LIMITED | P362 |
| 29/5c | 27.9545% | TOTALENERGIES E&P UK LIMITED | P666 |
| 29/10b | 100% | ITHACA SP E&P LIMITED | P1665 |
| 30/2c JADE | 17.57% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P672 |
| 30/2c REST | 19.16% | CHRYSAOR LIMITED | P672 |
| 30/7b JADE SOUTH | 17.57% | CHRYSAOR PETROLEUM COMPANY U.K. LIMITED | P1589 |
| 204/4a | 70% | ITHACA SP E&P LIMITED | P1189 |
| 204/5a | 70% | ITHACA SP E&P LIMITED | P1189 |
| 204/8 | 50% | NO OPERATOR | P2403 |
| 204/9a | 70% | ITHACA SP E&P LIMITED | P1028 |
| 204/9c | 50% | NO OPERATOR | P2403 |
| 204/10a | 70% | ITHACA SP E&P LIMITED | P1028 |
| 204/10c | 50% | NO OPERATOR | P2403 |
| 204/13 | 50% | NO OPERATOR | P2403 |
| 204/14d | 50% | NO OPERATOR | P2403 |
| 204/15 | 50% | NO OPERATOR | P2403 |
| 204/19b | 50% | ITHACA SP E&P LIMITED | P556 |
| 204/20b | 50% | ITHACA SP E&P LIMITED | P556 |
| 204/25a | 35.3% | ADURA OPERATIONS LIMITED | P559 |
| 205/1a | 20% | ADURA OPERATIONS LIMITED | P1191 |
| 205/2a | 20% | ADURA OPERATIONS LIMITED | P1272 |
| 213/26b | 20% | ADURA OPERATIONS LIMITED | P1026 |
| 213/27a | 20% | ADURA OPERATIONS LIMITED | P1026 |
| |
| ITHACA SP O&G LIMITED | 8/15a | 8.8889% | ADURA OPERATIONS LIMITED | P1758 |
| 9/11a | 8.8889% | ADURA OPERATIONS LIMITED | P335 |
| 9/11b | 8.8889% | ADURA OPERATIONS LIMITED | P726 |
| 9/11c | 8.8889% | ADURA OPERATIONS LIMITED | P979 |
| 9/11d | 8.8889% | ADURA OPERATIONS LIMITED | P2508 |
| 9/11g | 8.8889% | ADURA OPERATIONS LIMITED | P2151 |
| 9/12b | 8.8889% | ADURA OPERATIONS LIMITED | P2508 |
| 9/12d | 8.8889% | ADURA OPERATIONS LIMITED | P2573 |
| 13/22a | 10% | ITHACA SP E&P LIMITED | P324 |
| |
| ITHACA UKCS LIMITED | 22/29b | 32.14% | TOTALENERGIES E&P UK LIMITED | P2613 |
| 29/4d | 8% | TOTALENERGIES E&P UK LIMITED | P752 |
| |
| ITHACA ZETA LIMITED | 22/9b | 50% | ITHACA ZETA LIMITED | P2382 |
| 22/14c | 50% | ITHACA ZETA LIMITED | P2382 |