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Home My WebLink AboutPBU Lisburne (GPMA) - Hilcorp North Slope, LLC2. Facility Name PBU LISBURNE PROD (GPMA) Percent 50.3% 0.1% 0.0% 0.3% 10.0% 0.0% 0.0% 0.0% 0.0% 0.1% 39.3% Reviewe d by: 19. Remarks:Block 13: Lift Gas Off Field; Block 17: MI from Prudhoe = 2,942,076 and Fuel Gas from Prudhoe = 0 Pt McIntyre NGLs at CGF gas equivalent = 43,317; Pt McIntyre LPC Rich Gas NGLs at CGF gas equivalent = 4,739 and Lisburne LPC Rich Gas NGLs at CGF gas equivalent =6,034; Block 18: LPC Rich Gas to CGF = 1,804,094 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION 1. Facility Number 3. Field 4. Operator 5. Month/Year of Disposition Hilcorp January-2025 Disposition Volume MCF 6. Sold 161,886 7. Reinjected 8,308,820 9. Flared or vented more than 1 hour (see instr.)0 8. Flared or vented 1 hour or less 0 0290000009 PBU - GPMA 14. TOTAL VOLUME (ITEMS 6-13)13,104,271 11. Assist Gas 145,380 10. Pilot and Purge 12,764 12. Fuel gas used in lease operations.1,014,282 AOGCC Use Only 13. Other (see instructions)3,461,139 Safety: 15. NGL Gas Equivalent 161,886 MCF16. Purchased gas 0 Waste: MCFAuthorization >1 hr: Conservation:MCF MCFLease Use: Date of Revision: Authorized Name and Digital Signature with Date: Contact Phone:Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60° F. Authority 20 AAC 25.235.Contact Email:Richard.Everett@hilcorp.com 640132 640183 640152 640147 Form 10-422 Revised 10/2021 COMMISSIONER Title: Senior Accounting Advisor 713-757-7133 Comm.Date 17. Transferred from:2,942,076 18. Transferred to: (Express as a negative #)-1,804,094 I hereby certify that the foregoing is true and correct to the best of my knowledge. Revision? 20. For production from multiple pools, list contribution of each pool as a % of Total Volume. Pool Code 640144 640148 640187 640180 Pool Name Prudhoe Bay, Lisburne Oil Prudhoe Bay, Niakuk Oil Prudhoe Bay, W Bch Tr Un WTRSP Prudhoe Bay, Sag Riv Undef Oil Prudhoe Bay, Prudhoe Oil Prudhoe Bay, W Beach Oil BROOKIAN UND OIL Prudhoe Bay, Pt M Stump Is Oil Prudhoe Bay, N Prudhoe Bay Oil Prudhoe Bay, Raven Oil Prudhoe Bay, Pt Mcintyre Oil 640165 640150 640186 Form 10-422 Rev. 5/2009 INSTRUCTIONS ON REVERSE SIDE Submit in Duplicate Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, PRUDHOE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jan-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 1,275 Continuous Assist 14,532 TOTAL FLARED 15,807 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, LISBURNE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jan-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 6,412 Continuous Assist 73,003 TOTAL FLARED 79,415 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, POINT MCINTYRE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jan-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 5,028 Continuous Assist 57,288 TOTAL FLARED 62,316 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, WEST BEACH LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jan-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, NORTH PRUDHOE BAY LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jan-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, COMBINED NIAKUK LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jan-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 12 Continuous Assist 133 TOTAL FLARED 145 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, BROOKIAN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jan-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, RAVEN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jan-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 37 Continuous Assist 424 TOTAL FLARED 461 2. Facility Name PBU LISBURNE PROD (GPMA) Percent 52.8% 0.3% 0.0% 0.3% 7.0% 0.0% 0.0% 0.1% 0.0% 0.9% 38.7% Reviewe d by: 19. Remarks:Block 13: Lift Gas Off Field; Block 17: MI from Prudhoe = 2,669,786 and Fuel Gas from Prudhoe = 0 Pt McIntyre NGLs at CGF gas equivalent = 19,224; Pt McIntyre LPC Rich Gas NGLs at CGF gas equivalent = 4,552 and Lisburne LPC Rich Gas NGLs at CGF gas equivalent =6,210; Block 18: LPC Rich Gas to CGF = 1,652,862 640180 Pool Name Prudhoe Bay, Lisburne Oil Prudhoe Bay, Niakuk Oil Prudhoe Bay, W Bch Tr Un WTRSP Prudhoe Bay, Sag Riv Undef Oil Prudhoe Bay, Prudhoe Oil Prudhoe Bay, W Beach Oil BROOKIAN UND OIL Prudhoe Bay, Pt M Stump Is Oil Prudhoe Bay, N Prudhoe Bay Oil Prudhoe Bay, Raven Oil Prudhoe Bay, Pt Mcintyre Oil 640165 640150 640186 20. For production from multiple pools, list contribution of each pool as a % of Total Volume. Pool Code 640144 640148 640187 640132 640183 640152 640147 Form 10-422 Revised 10/2021 COMMISSIONER Title: Senior Accounting Advisor 713-757-7133 Comm.Date 17. Transferred from:2,669,786 18. Transferred to: (Express as a negative #)-1,652,862 I hereby certify that the foregoing is true and correct to the best of my knowledge. Revision? Date of Revision: Authorized Name and Digital Signature with Date: Contact Phone:Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60° F. Authority 20 AAC 25.235.Contact Email:Richard.Everett@hilcorp.com MCFAuthorization >1 hr: Conservation:MCF MCFLease Use: 15. NGL Gas Equivalent 134,845 MCF16. Purchased gas 0 Waste: 12. Fuel gas used in lease operations.796,612 AOGCC Use Only 13. Other (see instructions)3,319,269 Safety: 12,026,855 11. Assist Gas 126,805 10. Pilot and Purge 11,529 Hilcorp February-2025 Disposition Volume MCF 6. Sold 134,845 7. Reinjected 7,637,401 9. Flared or vented more than 1 hour (see instr.)0 8. Flared or vented 1 hour or less 394 0290000009 PBU - GPMA 14. TOTAL VOLUME (ITEMS 6-13) STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION 1. Facility Number 3. Field 4. Operator 5. Month/Year of Disposition Form 10-422 Rev. 5/2009 INSTRUCTIONS ON REVERSE SIDE Submit in Duplicate Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, PRUDHOE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Feb-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 2/1/2025 2:00-2:10 2 1803 LPS Compresor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:00-2:10 2 1804 LPS Compressor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:36-3:12 11 Restart attempt for 1803 LPS Compressor.U Failed to restart due to vibration. 2/1/2025 3:36-3:53 5 Second restart attempt for LPS 1803 Compressor.U Successfully restarted compressor. 2/1/2025 9:30-10:20 17 Restart attempts for 1804 LPS Compressor.U After two failed restarts, compressor stayed online. Total Flare <= 1 Hour 37 Total Flare > 1 Hour 0 Volume Flared 37 Measured Safety Pilot 808 Continuous Assist 8,890 TOTAL FLARED 9,735 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, LISBURNE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Feb-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 2/1/2025 2:00-2:10 12 1803 LPS Compresor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:00-2:10 12 1804 LPS Compressor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:36-3:12 61 Restart attempt for 1803 LPS Compressor.U Failed to restart due to vibration. 2/1/2025 3:36-3:53 29 Second restart attempt for LPS 1803 Compressor.U Successfully restarted compressor. 2/1/2025 9:30-10:20 83 Restart attempts for 1804 LPS Compressor.U After two failed restarts, compressor stayed online. Total Flare <= 1 Hour 197 Total Flare > 1 Hour 0 Volume Flared 197 Measured Safety Pilot 6,089 Continuous Assist 66,969 TOTAL FLARED 73,255 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, POINT MCINTYRE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Feb-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 2/1/2025 2:00-2:10 10 1803 LPS Compresor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:00-2:10 10 1804 LPS Compressor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:36-3:12 49 Restart attempt for 1803 LPS Compressor.U Failed to restart due to vibration. 2/1/2025 3:36-3:53 23 Second restart attempt for LPS 1803 Compressor.U Successfully restarted compressor. 2/1/2025 9:30-10:20 66 Restart attempts for 1804 LPS Compressor.U After two failed restarts, compressor stayed online. Total Flare <= 1 Hour 158 Total Flare > 1 Hour 0 Volume Flared 158 Measured Safety Pilot 4,467 Continuous Assist 49,138 TOTAL FLARED 53,763 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, WEST BEACH LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Feb-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 2/1/2025 2:00-2:10 0 1803 LPS Compresor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:00-2:10 0 1804 LPS Compressor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:36-3:12 0 Restart attempt for 1803 LPS Compressor.U Failed to restart due to vibration. 2/1/2025 3:36-3:53 0 Second restart attempt for LPS 1803 Compressor.U Successfully restarted compressor. 2/1/2025 9:30-10:20 0 Restart attempts for 1804 LPS Compressor.U After two failed restarts, compressor stayed online. Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, NORTH PRUDHOE BAY LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Feb-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 2/1/2025 2:00-2:10 0 1803 LPS Compresor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:00-2:10 0 1804 LPS Compressor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:36-3:12 0 Restart attempt for 1803 LPS Compressor.U Failed to restart due to vibration. 2/1/2025 3:36-3:53 0 Second restart attempt for LPS 1803 Compressor.U Successfully restarted compressor. 2/1/2025 9:30-10:20 0 Restart attempts for 1804 LPS Compressor.U After two failed restarts, compressor stayed online. Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, COMBINED NIAKUK LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Feb-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 2/1/2025 2:00-2:10 0 1803 LPS Compresor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:00-2:10 0 1804 LPS Compressor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:36-3:12 0 Restart attempt for 1803 LPS Compressor.U Failed to restart due to vibration. 2/1/2025 3:36-3:53 0 Second restart attempt for LPS 1803 Compressor.U Successfully restarted compressor. 2/1/2025 9:30-10:20 1 Restart attempts for 1804 LPS Compressor.U After two failed restarts, compressor stayed online. Total Flare <= 1 Hour 1 Total Flare > 1 Hour 0 Volume Flared 1 Measured Safety Pilot 29 Continuous Assist 320 TOTAL FLARED 350 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, BROOKIAN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Feb-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 2/1/2025 2:00-2:10 0 1803 LPS Compresor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:00-2:10 0 1804 LPS Compressor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:36-3:12 0 Restart attempt for 1803 LPS Compressor.U Failed to restart due to vibration. 2/1/2025 3:36-3:53 0 Second restart attempt for LPS 1803 Compressor.U Successfully restarted compressor. 2/1/2025 9:30-10:20 0 Restart attempts for 1804 LPS Compressor.U After two failed restarts, compressor stayed online. Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, RAVEN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Feb-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 2/1/2025 2:00-2:10 0 1803 LPS Compresor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:00-2:10 0 1804 LPS Compressor shut down due to plant upset.U Depressurization completed. 2/1/2025 2:36-3:12 0 Restart attempt for 1803 LPS Compressor.U Failed to restart due to vibration. 2/1/2025 3:36-3:53 0 Second restart attempt for LPS 1803 Compressor.U Successfully restarted compressor. 2/1/2025 9:30-10:20 1 Restart attempts for 1804 LPS Compressor.U After two failed restarts, compressor stayed online. Total Flare <= 1 Hour 1 Total Flare > 1 Hour 0 Volume Flared 1 Measured Safety Pilot 136 Continuous Assist 1,488 TOTAL FLARED 1,625 2. Facility NamePBU LISBURNE PROD (GPMA)Percent51.7%0.3%0.0%0.2%5.8%0.0%0.0%0.0%0.0%3.2%38.9%Reviewe19. Remarks:Block 13: Lift Gas Off Field; Block 17: MI from Prudhoe = 2,852,287 and Fuel Gas from Prudhoe = 0Pt McIntyre NGLs at CGF gas equivalent = 16,785; Pt McIntyre LPC Rich Gas NGLs at CGF gas equivalent = 4,906 andLisburne LPC Rich Gas NGLs at CGF gas equivalent =6,493;Block 18: LPC Rich Gas to CGF = 1,811,997STATE OF ALASKAALASKA OIL AND GAS CONSERVATION COMMISSIONFACILITY REPORT OF PRODUCED GAS DISPOSITION1. Facility Number3. Field4. Operator5. Month/Year of DispositionHilcorpMarch-2025DispositionVolume MCF6. Sold137,7777. Reinjected8,334,9549. Flared or vented more than 1 hour (see instr.)2,0978. Flared or vented 1 hour or less140290000009PBU - GPMA14. TOTAL VOLUME (ITEMS 6-13)13,253,88811. Assist Gas141,97210. Pilot and Purge12,73812. Fuel gas used in lease operations.886,126AOGCC Use Only13. Other (see instructions)3,738,210Safety:15. NGL Gas Equivalent137,777MCF16. Purchased gas0Waste:MCFAuthorization >1 hr:Conservation:MCFMCFLease Use: Date of Revision: Authorized Name and Digital Signature with Date:Contact Phone:Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60° F. Authority 20 AAC 25.235.Contact Email:Richard.Everett@hilcorp.com640132640183640152640147Form 10-422 Revised 10/2021COMMISSIONERTitle: Senior Accounting Advisor713-757-7133Comm.Date17. Transferred from:2,852,28718. Transferred to: (Express as a negative #)-1,811,997I hereby certify that the foregoing is true and correct to the best of my knowledge. Revision?20.For production from multiple pools, list contribution of each pool as a % of Total Volume.Pool Code640144640148640187640180Pool NamePrudhoe Bay, Lisburne OilPrudhoe Bay, Niakuk OilPrudhoe Bay, W Bch Tr Un WTRSPPrudhoe Bay, Sag Riv Undef OilPrudhoe Bay, Prudhoe OilPrudhoe Bay, W Beach OilBROOKIAN UND OILPrudhoe Bay, Pt M Stump Is OilPrudhoe Bay, N Prudhoe Bay OilPrudhoe Bay, Raven OilPrudhoe Bay, Pt Mcintyre Oil640165640150640186Form 10-422 Rev. 5/2009 INSTRUCTIONS ON REVERSE SIDE Submit in DuplicateDigitally signed by Richard Everett (006020)DN: cn=Richard Everett (006020)Date: 2025.04.15 14:47:19 -08'00'Richard Everett (006020):&%*&:Jessie L. ChmielowskiDigitally signed by Jessie L. Chmielowski Date: 2025.08.05 11:23:16 -08'00' Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, PRUDHOELISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSMar-25VOLUME PLANNEDDATE TIME (Mscf) DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE3/25/20257:31-7:41 11837 off gas compressor shut down due to control/instrumentation failure.UTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare <= 1 Hour103/30/2521:59-23:101111837 MI Compressor shut down due to control/instrumentation failureUTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare > 1 Hour111Volume Flared 112Measured Safety Pilot 739Continuous Assist 8,224TOTAL FLARED 9,075 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, LISBURNELISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSMar-25VOLUME PLANNEDDATE TIME (MSCF) DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE3/25/20257:31-7:41 81837 off gas compressor shut down due to control/instrumentation failure.UTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare <= 1 Hour83/30/202521:59-23:101,2151837 MI Compressor shut down due to control/instrumentation failureUTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare > 1 Hour1,215Volume Flared 1,223Measured Safety Pilot 6,582Continuous Assist 73,463TOTAL FLARED 81,268 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, POINT MCINTYRELISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSMar-25VOLUME PLANNEDDATE TIME (MSCF) DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE3/25/20257:31-7:41 51837 off gas compressor shut down due to control/instrumentation failure.UTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare <= 1 Hour503/30/2521:59-23:107011837 MI Compressor shut down due to control/instrumentation failureUTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare > 1 Hour701Volume Flared 706Measured Safety Pilot 4,951Continuous Assist 55,102TOTAL FLARED 60,759 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, WEST BEACHLISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSMar-25VOLUME PLANNEDDATE TIME (MSCF) DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE3/25/20257:31-7:41 01837 off gas compressor shut down due to control/instrumentation failure.UTotal Flare <= 1 Hour003/30/2521:59-23:1001837 MI Compressor shut down due to control/instrumentation failureUTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare > 1 Hour0Volume Flared 0Measured Safety Pilot 0Continuous Assist 0TOTAL FLARED 0 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, NORTH PRUDHOE BAYLISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSMar-25VOLUME PLANNEDDATE TIME (MSCF) DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE3/25/20257:31-7:41 01837 off gas compressor shut down due to control/instrumentation failure.UTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare <= 1 Hour003/30/2521:59-23:1001837 MI Compressor shut down due to control/instrumentation failureUTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare > 1 Hour0Volume Flared 0Measured Safety Pilot 0Continuous Assist 0TOTAL FLARED 0 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, COMBINED NIAKUKLISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSMar-25VOLUME PLANNEDDATE TIME (Mscf) DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE3/25/20257:31-7:41 01837 off gas compressor shut down due to control/instrumentation failure.UTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare <= 1 Hour003/30/2521:59-23:1071837 MI Compressor shut down due to control/instrumentation failureUTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare > 1 Hour7Volume Flared 7Measured Safety Pilot 38Continuous Assist 433TOTAL FLARED 478 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, BROOKIANLISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSMar-25VOLUME PLANNEDDATE TIME (Mscf) DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE3/25/20257:31-7:41 01837 off gas compressor shut down due to control/instrumentation failure.UTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare <= 1 Hour003/30/2521:59-23:1001837 MI Compressor shut down due to control/instrumentation failureUTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare > 1 Hour0Volume Flared 0Measured Safety Pilot 0Continuous Assist 0TOTAL FLARED 0 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, RAVENLISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSMar-25VOLUME PLANNEDDATE TIME (Mscf) DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE3/25/20257:31-7:41 01837 off gas compressor shut down due to control/instrumentation failure.UTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare <= 1 Hour003/30/2521:59-23:10631837 MI Compressor shut down due to control/instrumentation failureUTroubleshot; reloaded 1837, stabilized operations, and facility processes.Total Flare > 1 Hour63Volume Flared 63Measured Safety Pilot 428Continuous Assist 4,750TOTAL FLARED 5,241 2. Facility Name PBU LISBURNE PROD (GPMA) Percent 57.3% 0.3% 0.0% 0.3% 5.5% 0.0% 0.0% 0.0% 0.0% 0.4% 36.2% Reviewe d by: 19. Remarks:Block 13: Lift Gas Off Field; Block 17: MI from Prudhoe = 2,753,416 and Fuel Gas from Prudhoe = 0 Pt McIntyre NGLs at CGF gas equivalent = 15,667; Pt McIntyre LPC Rich Gas NGLs at CGF gas equivalent = 3,843 and Lisburne LPC Rich Gas NGLs at CGF gas equivalent =6,099; Block 18: LPC Rich Gas to CGF = 1,763,235 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION 1. Facility Number 3. Field 4. Operator 5. Month/Year of Disposition Hilcorp April-2025 Disposition Volume MCF 6. Sold 116,918 7. Reinjected 8,215,600 9. Flared or vented more than 1 hour (see instr.)0 8. Flared or vented 1 hour or less 6 0290000009 PBU - GPMA 14. TOTAL VOLUME (ITEMS 6-13)12,550,807 11. Assist Gas 143,035 10. Pilot and Purge 12,280 12. Fuel gas used in lease operations.856,984 AOGCC Use Only 13. Other (see instructions)3,205,984 Safety: 15. NGL Gas Equivalent 116,918 MCF16. Purchased gas 0 Waste: MCFAuthorization >1 hr: Conservation:MCF MCFLease Use: Date of Revision: Authorized Name and Digital Signature with Date: Contact Phone:Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60° F. Authority 20 AAC 25.235.Contact Email:Richard.Everett@hilcorp.com 640132 640183 640152 640147 Form 10-422 Revised 10/2021 COMMISSIONER Title: Senior Accounting Advisor 713-757-7133 Comm.Date 17. Transferred from:2,753,416 18. Transferred to: (Express as a negative #)-1,763,235 I hereby certify that the foregoing is true and correct to the best of my knowledge. Revision? 20. For production from multiple pools, list contribution of each pool as a % of Total Volume. Pool Code 640144 640148 640187 640180 Pool Name Prudhoe Bay, Lisburne Oil Prudhoe Bay, Niakuk Oil Prudhoe Bay, W Bch Tr Un WTRSP Prudhoe Bay, Sag Riv Undef Oil Prudhoe Bay, Prudhoe Oil Prudhoe Bay, W Beach Oil BROOKIAN UND OIL Prudhoe Bay, Pt M Stump Is Oil Prudhoe Bay, N Prudhoe Bay Oil Prudhoe Bay, Raven Oil Prudhoe Bay, Pt Mcintyre Oil 640165 640150 640186 Form 10-422 Rev. 5/2009 INSTRUCTIONS ON REVERSE SIDE Submit in Duplicate Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, PRUDHOE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Apr-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 4/6/2025 02:28:00-02:30:00 0 1801 STV-IP Compressor flared due to heat pump shut down.U Flare valve closed Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 668 Continuous Assist 7,765 TOTAL FLARED 8,433 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, LISBURNE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Apr-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 4/6/2025 02:28:00-02:30:00 4 1801 STV-IP Compressor flared due to heat pump shut down.U Flare valve closed Total Flare <= 1 Hour 4 Total Flare > 1 Hour 0 Volume Flared 4 Measured Safety Pilot 7,040 Continuous Assist 82,029 TOTAL FLARED 89,073 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, POINT MCINTYRE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Apr-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 4/6/2025 02:28:00-02:30:00 2 1801 STV-IP Compressor flared due to heat pump shut down.U Flare valve closed Total Flare <= 1 Hour 2 Total Flare > 1 Hour 0 Volume Flared 2 Measured Safety Pilot 4,441 Continuous Assist 51,706 TOTAL FLARED 56,149 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, WEST BEACH LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Apr-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 4/6/2025 02:28:00-02:30:00 0 1801 STV-IP Compressor flared due to heat pump shut down.U Flare valve closed Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, NORTH PRUDHOE BAY LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Apr-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 4/6/2025 02:28:00-02:30:00 0 1801 STV-IP Compressor flared due to heat pump shut down.U Flare valve closed Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, COMBINED NIAKUK LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Apr-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 4/6/2025 02:28:00-02:30:00 0 1801 STV-IP Compressor flared due to heat pump shut down.U Flare valve closed Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 41 Continuous Assist 480 TOTAL FLARED 521 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, BROOKIAN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Apr-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 4/6/2025 02:28:00-02:30:00 0 1801 STV-IP Compressor flared due to heat pump shut down.U Flare valve closed Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, RAVEN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Apr-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 4/6/2025 02:28:00-02:30:00 0 1801 STV-IP Compressor flared due to heat pump shut down.U Flare valve closed Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 90 Continuous Assist 1,055 TOTAL FLARED 1,145 2. Facility Name PBU LISBURNE PROD (GPMA) Percent 56.6% 0.4% 0.0% 0.3% 3.3% 0.0% 0.0% 0.0% 0.0% 0.6% 38.9% Reviewe d by: 19. Remarks:Block 13: Lift Gas Off Field; Block 17: MI from Prudhoe = 2,945,201 and Fuel Gas from Prudhoe = 0 Pt McIntyre NGLs at CGF gas equivalent = 25,577; Pt McIntyre LPC Rich Gas NGLs at CGF gas equivalent = 4,292 and Lisburne LPC Rich Gas NGLs at CGF gas equivalent =6,202; Block 18: LPC Rich Gas to CGF = 1,787,991 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION 1. Facility Number 3. Field 4. Operator 5. Month/Year of Disposition Hilcorp May-2025 Disposition Volume MCF 6. Sold 125,675 7. Reinjected 7,313,706 9. Flared or vented more than 1 hour (see instr.)0 8. Flared or vented 1 hour or less 1,050 0290000009 PBU - GPMA 14. TOTAL VOLUME (ITEMS 6-13)12,174,137 11. Assist Gas 147,668 10. Pilot and Purge 12,648 12. Fuel gas used in lease operations.924,519 AOGCC Use Only 13. Other (see instructions)3,648,871 Safety: 15. NGL Gas Equivalent 125,675 MCF16. Purchased gas 0 Waste: MCFAuthorization >1 hr: Conservation:MCF MCFLease Use: Date of Revision: Authorized Name and Digital Signature with Date: Contact Phone:Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60° F. Authority 20 AAC 25.235.Contact Email:Richard.Everett@hilcorp.com 640132 640183 640152 640147 Form 10-422 Revised 10/2021 COMMISSIONER Title: Senior Accounting Advisor 713-757-7133 Comm.Date 17. Transferred from:2,945,201 18. Transferred to: (Express as a negative #)-1,787,991 I hereby certify that the foregoing is true and correct to the best of my knowledge. Revision? 20. For production from multiple pools, list contribution of each pool as a % of Total Volume. Pool Code 640144 640148 640187 640180 Pool Name Prudhoe Bay, Lisburne Oil Prudhoe Bay, Niakuk Oil Prudhoe Bay, W Bch Tr Un WTRSP Prudhoe Bay, Sag Riv Undef Oil Prudhoe Bay, Prudhoe Oil Prudhoe Bay, W Beach Oil BROOKIAN UND OIL Prudhoe Bay, Pt M Stump Is Oil Prudhoe Bay, N Prudhoe Bay Oil Prudhoe Bay, Raven Oil Prudhoe Bay, Pt Mcintyre Oil 640165 640150 640186 Form 10-422 Rev. 5/2009 INSTRUCTIONS ON REVERSE SIDE Submit in Duplicate Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, PRUDHOE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS May-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 5/9/2025 01:22-01:25 1 1808 Reinjection Compressor shut down for Maintenance and Water Wash P 1808 depressurization complete 5/9/2025 7:16-7:17 0 1808 Reinjection Compressor depressurized due to Maintenance activities P 1808 depressurization complete 5/10/2025 12:49-12:51 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 14:00-14:01 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:17-15:18 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:36-15:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:08-16:09 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:36-16:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 17:10-17:11 1 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 18:09-18:12 1 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 19:18-19:20 1 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 22:02-22:06 2 1807 Reinjection Compressor shut down for Maintenance and Water Wash P 1807 depressurization complete 5/11/2025 0:35-0:36 0 1807 Reinjection Compressor Check Valve Integrity Test P 1807 depressurization complete Total Flare <= 1 Hour 6 Total Flare > 1 Hour 0 Volume Flared 6 Measured Safety Pilot 407 Continuous Assist 4,665 TOTAL FLARED 5,078 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, LISBURNE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS May-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 5/9/2025 01:22-01:25 93 1808 Reinjection Compressor shut down for Maintenance and Water Wash P 1808 depressurization complete 5/9/2025 7:16-7:17 6 1808 Reinjection Compressor depressurized due to Maintenance activities P 1808 depressurization complete 5/10/2025 12:49-12:51 5 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 14:00-14:01 1 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:17-15:18 28 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:36-15:37 29 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:08-16:09 29 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:36-16:37 29 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 17:10-17:11 29 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 18:09-18:12 70 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 19:18-19:20 66 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 22:02-22:06 88 1807 Reinjection Compressor shut down for Maintenance and Water Wash P 1807 depressurization complete 5/11/2025 0:35-0:36 1 1807 Reinjection Compressor Check Valve Integrity Test P 1807 depressurization complete Total Flare <= 1 Hour 474 Total Flare > 1 Hour 0 Volume Flared 474 Measured Safety Pilot 7,139 Continuous Assist 83,276 TOTAL FLARED 90,889 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, POINT MCINTYRE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS May-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 5/9/2025 01:22-01:25 111 1808 Reinjection Compressor shut down for Maintenance and Water Wash P 1808 depressurization complete 5/9/2025 7:16-7:17 8 1808 Reinjection Compressor depressurized due to Maintenance activities P 1808 depressurization complete 5/10/2025 12:49-12:51 7 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 14:00-14:01 1 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:17-15:18 34 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:36-15:37 35 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:08-16:09 35 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:36-16:37 35 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 17:10-17:11 35 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 18:09-18:12 85 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 19:18-19:20 79 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 22:02-22:06 104 1807 Reinjection Compressor shut down for Maintenance and Water Wash P 1807 depressurization complete 5/11/2025 0:35-0:36 0 1807 Reinjection Compressor Check Valve Integrity Test P 1807 depressurization complete Total Flare <= 1 Hour 569 Total Flare > 1 Hour 0 Volume Flared 569 Measured Safety Pilot 4,962 Continuous Assist 58,097 TOTAL FLARED 63,628 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, WEST BEACH LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS May-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 5/9/2025 01:22-01:25 0 1808 Reinjection Compressor shut down for Maintenance and Water Wash P 1808 depressurization complete 5/9/2025 7:16-7:17 0 1808 Reinjection Compressor depressurized due to Maintenance activities P 1808 depressurization complete 5/10/2025 12:49-12:51 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 14:00-14:01 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:17-15:18 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:36-15:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:08-16:09 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:36-16:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 17:10-17:11 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 18:09-18:12 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 19:18-19:20 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 22:02-22:06 0 1807 Reinjection Compressor shut down for Maintenance and Water Wash P 1807 depressurization complete 5/11/2025 0:35-0:36 0 1807 Reinjection Compressor Check Valve Integrity Test P 1807 depressurization complete Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, NORTH PRUDHOE BAY LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS May-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 5/9/2025 01:22-01:25 0 1808 Reinjection Compressor shut down for Maintenance and Water Wash P 1808 depressurization complete 5/9/2025 7:16-7:17 0 1808 Reinjection Compressor depressurized due to Maintenance activities P 1808 depressurization complete 5/10/2025 12:49-12:51 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 14:00-14:01 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:17-15:18 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:36-15:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:08-16:09 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:36-16:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 17:10-17:11 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 18:09-18:12 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 19:18-19:20 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 22:02-22:06 0 1807 Reinjection Compressor shut down for Maintenance and Water Wash P 1807 depressurization complete 5/11/2025 0:35-0:36 0 1807 Reinjection Compressor Check Valve Integrity Test P 1807 depressurization complete Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, COMBINED NIAKUK LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS May-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 5/9/2025 01:22-01:25 0 1808 Reinjection Compressor shut down for Maintenance and Water Wash P 1808 depressurization complete 5/9/2025 7:16-7:17 0 1808 Reinjection Compressor depressurized due to Maintenance activities P 1808 depressurization complete 5/10/2025 12:49-12:51 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 14:00-14:01 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:17-15:18 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:36-15:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:08-16:09 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:36-16:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 17:10-17:11 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 18:09-18:12 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 19:18-19:20 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 22:02-22:06 0 1807 Reinjection Compressor shut down for Maintenance and Water Wash P 1807 depressurization complete 5/11/2025 0:35-0:36 0 1807 Reinjection Compressor Check Valve Integrity Test P 1807 depressurization complete Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 42 Continuous Assist 489 TOTAL FLARED 531 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, BROOKIAN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS May-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 5/9/2025 01:22-01:25 0 1808 Reinjection Compressor shut down for Maintenance and Water Wash P 1808 depressurization complete 5/9/2025 7:16-7:17 0 1808 Reinjection Compressor depressurized due to Maintenance activities P 1808 depressurization complete 5/10/2025 12:49-12:51 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 14:00-14:01 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:17-15:18 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:36-15:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:08-16:09 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:36-16:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 17:10-17:11 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 18:09-18:12 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 19:18-19:20 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 22:02-22:06 0 1807 Reinjection Compressor shut down for Maintenance and Water Wash P 1807 depressurization complete 5/11/2025 0:35-0:36 0 1807 Reinjection Compressor Check Valve Integrity Test P 1807 depressurization complete Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, RAVEN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS May-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 5/9/2025 01:22-01:25 0 1808 Reinjection Compressor shut down for Maintenance and Water Wash P 1808 depressurization complete 5/9/2025 7:16-7:17 0 1808 Reinjection Compressor depressurized due to Maintenance activities P 1808 depressurization complete 5/10/2025 12:49-12:51 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 14:00-14:01 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:17-15:18 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 15:36-15:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:08-16:09 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 16:36-16:37 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 17:10-17:11 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 18:09-18:12 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 19:18-19:20 0 1808 Reinjection Compressor shut down due to control/instrumentation failure.U Trouble shot; reloaded; stabilized operations. 5/10/2025 22:02-22:06 1 1807 Reinjection Compressor shut down for Maintenance and Water Wash P 1807 depressurization complete 5/11/2025 0:35-0:36 0 1807 Reinjection Compressor Check Valve Integrity Test P 1807 depressurization complete Total Flare <= 1 Hour 1 Total Flare > 1 Hour 0 Volume Flared 1 Measured Safety Pilot 98 Continuous Assist 1,141 TOTAL FLARED 1,240 2. Facility Name PBU LISBURNE PROD (GPMA) Percent 55.1% 0.2% 0.0% 0.3% 5.5% 0.0% 0.0% 0.1% 0.0% 0.3% 38.5% Reviewe d by: 19. Remarks:Block 13: Lift Gas Off Field; Block 17: MI from Prudhoe = 2,034,934 and Fuel Gas from Prudhoe = 0 Pt McIntyre NGLs at CGF gas equivalent = 24,090; Pt McIntyre LPC Rich Gas NGLs at CGF gas equivalent = 4,267 and Lisburne LPC Rich Gas NGLs at CGF gas equivalent =6,081; Block 18: LPC Rich Gas to CGF = 1,742,709 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION 1. Facility Number 3. Field 4. Operator 5. Month/Year of Disposition Hilcorp June-2025 Disposition Volume MCF 6. Sold 123,079 7. Reinjected 6,544,782 9. Flared or vented more than 1 hour (see instr.)0 8. Flared or vented 1 hour or less 0 0290000009 PBU - GPMA 14. TOTAL VOLUME (ITEMS 6-13)11,337,239 11. Assist Gas 143,713 10. Pilot and Purge 12,208 12. Fuel gas used in lease operations.864,619 AOGCC Use Only 13. Other (see instructions)3,648,838 Safety: 15. NGL Gas Equivalent 123,079 MCF16. Purchased gas 0 Waste: MCFAuthorization >1 hr: Conservation:MCF MCFLease Use: Date of Revision: Authorized Name and Digital Signature with Date: Contact Phone:Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60° F. Authority 20 AAC 25.235.Contact Email:Richard.Everett@hilcorp.com 640132 640183 640152 640147 Form 10-422 Revised 10/2021 COMMISSIONER Title: Senior Accounting Advisor 713-757-7133 Comm.Date 17. Transferred from:2,034,934 18. Transferred to: (Express as a negative #)-1,742,709 I hereby certify that the foregoing is true and correct to the best of my knowledge. Revision? 20. For production from multiple pools, list contribution of each pool as a % of Total Volume. Pool Code 640144 640148 640187 640180 Pool Name Prudhoe Bay, Lisburne Oil Prudhoe Bay, Niakuk Oil Prudhoe Bay, W Bch Tr Un WTRSP Prudhoe Bay, Sag Riv Undef Oil Prudhoe Bay, Prudhoe Oil Prudhoe Bay, W Beach Oil BROOKIAN UND OIL Prudhoe Bay, Pt M Stump Is Oil Prudhoe Bay, N Prudhoe Bay Oil Prudhoe Bay, Raven Oil Prudhoe Bay, Pt Mcintyre Oil 640165 640150 640186 Form 10-422 Rev. 5/2009 INSTRUCTIONS ON REVERSE SIDE Submit in Duplicate Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, PRUDHOE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jun-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 665 Continuous Assist 7,826 TOTAL FLARED 8,491 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, LISBURNE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jun-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 6,720 Continuous Assist 79,114 TOTAL FLARED 85,834 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, POINT MCINTYRE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jun-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 4,712 Continuous Assist 55,465 TOTAL FLARED 60,177 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, WEST BEACH LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jun-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, NORTH PRUDHOE BAY LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jun-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, COMBINED NIAKUK LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jun-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 29 Continuous Assist 344 TOTAL FLARED 373 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, BROOKIAN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jun-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, RAVEN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Jun-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 82 Continuous Assist 964 TOTAL FLARED 1,046 2. Facility NamePBU LISBURNE PROD (GPMA)Percent56.1%0.2%0.0%0.3%3.0%0.0%0.0%0.3%0.0%0.2%39.9%Reviewe19. Remarks:Block 13: Lift Gas Off Field; Block 17: MI from Prudhoe = 2,812,732 and Fuel Gas from Prudhoe = 0Pt McIntyre NGLs at CGF gas equivalent = 12,133; Pt McIntyre LPC Rich Gas NGLs at CGF gas equivalent = 4,280 andLisburne LPC Rich Gas NGLs at CGF gas equivalent =5,984;Block 18: LPC Rich Gas to CGF = 1,738,378STATE OF ALASKAALASKA OIL AND GAS CONSERVATION COMMISSIONFACILITY REPORT OF PRODUCED GAS DISPOSITION1. Facility Number 3. Field 4. Operator 5. Month/Year of DispositionHilcorp July-2025Disposition Volume MCF6. Sold105,3087. Reinjected8,173,3839. Flared or vented more than 1 hour (see instr.)6928. Flared or vented 1 hour or less710290000009 PBU - GPMA14. TOTAL VOLUME (ITEMS 6-13)11,546,88111. Assist Gas142,27510. Pilot and Purge12,60312. Fuel gas used in lease operations.810,304AOGCC Use Only13. Other (see instructions)2,302,245Safety:15. NGL Gas Equivalent105,308MCF16. Purchased gas0Waste:MCFAuthorization >1 hr:Conservation:MCFMCFLease Use: Date of Revision: Authorized Name and Digital Signature with Date:Contact Phone:Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60° F. Authority 20 AAC 25.235.Contact Email:Richard.Everett@hilcorp.com640132640183640152640147Form 10-422 Revised 10/2021COMMISSIONERTitle: Senior Accounting Advisor713-757-7133Comm. Date17. Transferred from:2,812,73218. Transferred to: (Express as a negative #)-1,738,378I hereby certify that the foregoing is true and correct to the best of my knowledge. Revision?20.For production from multiple pools, list contribution of each pool as a % of Total Volume.Pool Code640144640148640187640180Pool NamePrudhoe Bay, Lisburne OilPrudhoe Bay, Niakuk OilPrudhoe Bay, W Bch Tr Un WTRSPPrudhoe Bay, Sag Riv Undef OilPrudhoe Bay, Prudhoe OilPrudhoe Bay, W Beach OilBROOKIAN UND OILPrudhoe Bay, Pt M Stump Is OilPrudhoe Bay, N Prudhoe Bay OilPrudhoe Bay, Raven OilPrudhoe Bay, Pt Mcintyre Oil640165640150640186Form 10-422 Rev. 5/2009 INSTRUCTIONS ON REVERSE SIDE Submit in DuplicateDigitally signed by Richard Everett (006020)DN: cn=Richard Everett (006020)Date: 2025.08.18 13:11:20 -08'00'Richard Everett (006020) Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, PRUDHOELISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSJul-25VOLUMEPLANNEDDATETIME(Mscf) DESCRIPTION OF INCIDENTS & CAUSEUNPLANNED ACTION TAKEN TO ELIMINATE CAUSE7/3/2025 12:28-12:5621837 Compressor shutdown to troubleshoot VFD noise and breaker work U Depressurized 1837 Compressor7/15/2025 10:14-10:20 1PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually until the transmitter resumed pressure readlings; returned to normal operations7/29/2025 18:03-18:24 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.7/30/2025 20:44-20:45 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.Total Flare <= 1 Hour307/16/25 4:34-6:37 2PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the transmitter and returned to normal operations.07/18/25 7:12-8:13 2Transmitter on the PO36 on the IP Scrubber to Flare read Zero (again) causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the Card and returned to normal operations.Total Flare > 1 Hour4Volume Flared7Measured Safety Pilot371Continuous Assist4,126TOTAL FLARED4,504 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, LISBURNELISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSJul-25VOLUMEPLANNEDDATETIME (MSCF) DESCRIPTION OF INCIDENTS & CAUSEUNPLANNED ACTION TAKEN TO ELIMINATE CAUSE7/3/2025 12:28-12:56131837 Compressor shutdown to troubleshoot VFD noise and breaker work U Depressurized 1837 Compressor7/15/2025 10:14-10:20 21PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually until the transmitter resumed pressure readlings; returned to normal operations7/29/2025 18:03-18:24 11800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.7/30/2025 20:44-20:45 31800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.Total Flare <= 1 Hour387/16/2025 4:34-6:37 187PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the transmitter and returned to normal operations.7/18/2025 7:12-8:13 197Transmitter on the PO36 on the IP Scrubber to Flare read Zero (again) causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the Card and returned to normal operations.Total Flare > 1 Hour384Volume Flared422Measured Safety Pilot7,069Continuous Assist79,851TOTAL FLARED87,342 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, POINT MCINTYRELISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSJul-25VOLUMEPLANNEDDATETIME (MSCF) DESCRIPTION OF INCIDENTS & CAUSEUNPLANNED ACTION TAKEN TO ELIMINATE CAUSE7/3/2025 12:28-12:5691837 Compressor shutdown to troubleshoot VFD noise and breaker work U Depressurized 1837 Compressor7/15/2025 10:14-10:20 18PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually until the transmitter resumed pressure readlings; returned to normal operations7/29/2025 18:03-18:24 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.7/30/2025 20:44-20:45 21800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.Total Flare <= 1 Hour2907/16/25 4:34-6:37 149PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the transmitter and returned to normal operations.07/18/25 7:12-8:13 151Transmitter on the PO36 on the IP Scrubber to Flare read Zero (again) causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the Card and returned to normal operations.Total Flare > 1 Hour300Volume Flared329Measured Safety Pilot5,070Continuous Assist57,242TOTAL FLARED62,641 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, WEST BEACHLISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSJul-25VOLUMEPLANNEDDATETIME (MSCF) DESCRIPTION OF INCIDENTS & CAUSEUNPLANNED ACTION TAKEN TO ELIMINATE CAUSE7/3/2025 12:28-12:5601837 Compressor shutdown to troubleshoot VFD noise and breaker work U Depressurized 1837 Compressor7/15/2025 10:14-10:20 0PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually until the transmitter resumed pressure readlings; returned to normal operations7/29/2025 18:03-18:24 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.7/30/2025 20:44-20:45 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.Total Flare <= 1 Hour007/16/25 4:34-6:370PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the transmitter and returned to normal operations.07/18/25 7:12-8:13 0Transmitter on the PO36 on the IP Scrubber to Flare read Zero (again) causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the Card and returned to normal operations.Total Flare > 1 Hour0Volume Flared0Measured Safety Pilot0Continuous Assist0TOTAL FLARED0 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, NORTH PRUDHOE BAYLISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSJul-25VOLUMEPLANNEDDATETIME (MSCF) DESCRIPTION OF INCIDENTS & CAUSEUNPLANNED ACTION TAKEN TO ELIMINATE CAUSE7/3/2025 12:28-12:5601837 Compressor shutdown to troubleshoot VFD noise and breaker work U Depressurized 1837 Compressor7/15/2025 10:14-10:20 0PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually until the transmitter resumed pressure readlings; returned to normal operations7/29/2025 18:03-18:24 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.7/30/2025 20:44-20:45 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.Total Flare <= 1 Hour007/16/25 4:34-6:37 0PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the transmitter and returned to normal operations.07/18/25 7:12-8:13 0Transmitter on the PO36 on the IP Scrubber to Flare read Zero (again) causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the Card and returned to normal operations.Total Flare > 1 Hour0Volume Flared0Measured Safety Pilot0Continuous Assist0TOTAL FLARED0 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, COMBINED NIAKUKLISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSJul-25VOLUMEPLANNEDDATETIME(Mscf) DESCRIPTION OF INCIDENTS & CAUSEUNPLANNED ACTION TAKEN TO ELIMINATE CAUSE7/3/2025 12:28-12:5601837 Compressor shutdown to troubleshoot VFD noise and breaker work U Depressurized 1837 Compressor7/15/2025 10:14-10:20 0PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually until the transmitter resumed pressure readlings; returned to normal operations7/29/2025 18:03-18:24 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.7/30/2025 20:44-20:45 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.Total Flare <= 1 Hour007/16/25 4:34-6:37 1PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the transmitter and returned to normal operations.07/18/25 7:12-8:13 1Transmitter on the PO36 on the IP Scrubber to Flare read Zero (again) causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the Card and returned to normal operations.Total Flare > 1 Hour2Volume Flared2Measured Safety Pilot28Continuous Assist317TOTAL FLARED347 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, BROOKIANLISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSJul-25VOLUMEPLANNEDDATETIME(Mscf) DESCRIPTION OF INCIDENTS & CAUSEUNPLANNED ACTION TAKEN TO ELIMINATE CAUSE7/3/2025 12:28-12:56 0 1837 Compressor shutdown to troubleshoot VFD noise and breaker work U Depressurized 1837 Compressor7/15/2025 10:14-10:20 0PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually until the transmitter resumed pressure readlings; returned to normal operations7/29/2025 18:03-18:24 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.7/30/2025 20:44-20:45 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.Total Flare <= 1 Hour007/16/25 4:34-6:37 0PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the transmitter and returned to normal operations.07/18/25 7:12-8:13 0Transmitter on the PO36 on the IP Scrubber to Flare read Zero (again) causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the Card and returned to normal operations.Total Flare > 1 Hour0Volume Flared0Measured Safety Pilot0Continuous Assist0TOTAL FLARED0 Hilcorp Energy Company ALASKACONSERVATION ORDER NO. 219PRUDHOE BAY, RAVENLISBURNE PRODUCTION CENTERGAS FLARING INCIDENTSJul-25VOLUMEPLANNEDDATETIME(Mscf) DESCRIPTION OF INCIDENTS & CAUSEUNPLANNED ACTION TAKEN TO ELIMINATE CAUSE7/3/2025 12:28-12:5601837 Compressor shutdown to troubleshoot VFD noise and breaker work U Depressurized 1837 Compressor7/15/2025 10:14-10:20 0PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually until the transmitter resumed pressure readlings; returned to normal operations7/29/2025 18:03-18:24 01800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.7/30/2025 20:44-20:45 11800 STV-IP Compressor shutdown due to Control/Instrumentation failure associated with anti-surge control.UStarted offline T/C stablizing facility process and operation.Total Flare <= 1 Hour107/16/25 4:34-6:37 1PO36 on the IP Scrubber to Flare went from 85 psig to Zero causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the transmitter and returned to normal operations.07/18/25 7:12-8:13 1Transmitter on the PO36 on the IP Scrubber to Flare read Zero (again) causing the compressor to recycle.UOpened the 22P00036 valve manually; replaced the Card and returned to normal operations.Total Flare > 1 Hour2Volume Flared3Measured Safety Pilot65Continuous Assist739TOTAL FLARED807 2. Facility Name PBU LISBURNE PROD (GPMA) Percent 57.3% 0.2% 0.0% 0.3% 0.6% 0.0% 0.0% 0.3% 0.0% 0.0% 41.3% Reviewe d by: 19. Remarks:Block 13: Lift Gas Off Field; Block 17: MI from Prudhoe = 2,287,925 and Fuel Gas from Prudhoe = 0 Pt McIntyre NGLs at CGF gas equivalent = 16,096; Pt McIntyre LPC Rich Gas NGLs at CGF gas equivalent = 3,843 and Lisburne LPC Rich Gas NGLs at CGF gas equivalent =5,447; Block 18: LPC Rich Gas to CGF = 1,457,340 640180 Pool Name Prudhoe Bay, Lisburne Oil Prudhoe Bay, Niakuk Oil Prudhoe Bay, W Bch Tr Un WTRSP Prudhoe Bay, Sag Riv Undef Oil Prudhoe Bay, Prudhoe Oil Prudhoe Bay, W Beach Oil BROOKIAN UND OIL Prudhoe Bay, Pt M Stump Is Oil Prudhoe Bay, N Prudhoe Bay Oil Prudhoe Bay, Raven Oil Prudhoe Bay, Pt Mcintyre Oil 640165 640150 640186 20. For production from multiple pools, list contribution of each pool as a % of Total Volume. Pool Code 640144 640148 640187 640132 640183 640152 640147 Form 10-422 Revised 10/2021 COMMISSIONER Title: Senior Accounting Advisor 713-757-7133 Comm.Date 17. Transferred from:2,287,925 18. Transferred to: (Express as a negative #)-1,457,340 I hereby certify that the foregoing is true and correct to the best of my knowledge. Revision? Date of Revision: Authorized Name and Digital Signature with Date: Contact Phone:Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60° F. Authority 20 AAC 25.235.Contact Email:Richard.Everett@hilcorp.com MCFAuthorization >1 hr: Conservation:MCF MCFLease Use: 15. NGL Gas Equivalent 116,376 MCF16. Purchased gas 0 Waste: 12. Fuel gas used in lease operations.804,886 AOGCC Use Only 13. Other (see instructions)3,043,320 Safety: 11,088,905 11. Assist Gas 149,343 10. Pilot and Purge 12,619 Hilcorp August-2025 Disposition Volume MCF 6. Sold 116,376 7. Reinjected 6,962,277 9. Flared or vented more than 1 hour (see instr.)0 8. Flared or vented 1 hour or less 84 0290000009 PBU - GPMA 14. TOTAL VOLUME (ITEMS 6-13) STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION 1. Facility Number 3. Field 4. Operator 5. Month/Year of Disposition Form 10-422 Rev. 5/2009 INSTRUCTIONS ON REVERSE SIDE Submit in Duplicate Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, PRUDHOE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Aug-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 8/5/2025 11:16-11:18 0 1837 Rich Gas Compressor shut down due to power fault.U Field production cut and 1855 off gas compressor started. 8/22/2025 11:27-12:10 1 1837 Rich Gas Compressor shut down for control valve testing; 1855 off gas compressor blew a fuse upon start-up resulting in black smoke event.U Following start-up failure of 1855 off-gas compressor, 1837 Rich Gas Compressor restarted and loaded. Total Flare <= 1 Hour 1 Total Flare > 1 Hour 0 Volume Flared 1 Measured Safety Pilot 81 Continuous Assist 964 TOTAL FLARED 1,046 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, LISBURNE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Aug-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 8/5/2025 11:16-11:18 7 1837 Rich Gas Compressor shut down due to power fault.U Field production cut and 1855 off gas compressor started. 8/22/2025 11:27-12:10 42 1837 Rich Gas Compressor shut down for control valve testing; 1855 off gas compressor blew a fuse upon start-up resulting in black smoke event.U Following start-up failure of 1855 off-gas compressor, 1837 Rich Gas Compressor restarted and loaded. Total Flare <= 1 Hour 49 Total Flare > 1 Hour 0 Volume Flared 49 Measured Safety Pilot 7,202 Continuous Assist 85,195 TOTAL FLARED 92,446 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, POINT MCINTYRE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Aug-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 8/5/2025 11:16-11:18 5 1837 Rich Gas Compressor shut down due to power fault.U Field production cut and 1855 off gas compressor started. 8/22/2025 11:27-12:10 29 1837 Rich Gas Compressor shut down for control valve testing; 1855 off gas compressor blew a fuse upon start-up resulting in black smoke event.U Following start-up failure of 1855 off-gas compressor, 1837 Rich Gas Compressor restarted and loaded. Total Flare <= 1 Hour 34 Total Flare > 1 Hour 0 Volume Flared 34 Measured Safety Pilot 5,265 Continuous Assist 62,349 TOTAL FLARED 67,648 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, WEST BEACH LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Aug-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 8/5/2025 11:16-11:18 0 1837 Rich Gas Compressor shut down due to power fault.U Field production cut and 1855 off gas compressor started. 8/22/2025 11:27-12:10 0 1837 Rich Gas Compressor shut down for control valve testing; 1855 off gas compressor blew a fuse upon start-up resulting in black smoke event.U Following start-up failure of 1855 off-gas compressor, 1837 Rich Gas Compressor restarted and loaded. Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, NORTH PRUDHOE BAY LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Aug-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 8/5/2025 11:16-11:18 0 1837 Rich Gas Compressor shut down due to power fault.U Field production cut and 1855 off gas compressor started. 8/22/2025 11:27-12:10 0 1837 Rich Gas Compressor shut down for control valve testing; 1855 off gas compressor blew a fuse upon start-up resulting in black smoke event.U Following start-up failure of 1855 off-gas compressor, 1837 Rich Gas Compressor restarted and loaded. Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, COMBINED NIAKUK LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Aug-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 8/5/2025 11:16-11:18 0 1837 Rich Gas Compressor shut down due to power fault.U Field production cut and 1855 off gas compressor started. 8/22/2025 11:27-12:10 0 1837 Rich Gas Compressor shut down for control valve testing; 1855 off gas compressor blew a fuse upon start-up resulting in black smoke event.U Following start-up failure of 1855 off-gas compressor, 1837 Rich Gas Compressor restarted and loaded. Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 30 Continuous Assist 351 TOTAL FLARED 381 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, BROOKIAN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Aug-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 8/5/2025 11:16-11:18 0 1837 Rich Gas Compressor shut down due to power fault.U Field production cut and 1855 off gas compressor started. 8/22/2025 11:27-12:10 0 1837 Rich Gas Compressor shut down for control valve testing; 1855 off gas compressor blew a fuse upon start-up resulting in black smoke event.U Following start-up failure of 1855 off-gas compressor, 1837 Rich Gas Compressor restarted and loaded. Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, RAVEN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Aug-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE 8/5/2025 11:16-11:18 0 1837 Rich Gas Compressor shut down due to power fault.U Field production cut and 1855 off gas compressor started. 8/22/2025 11:27-12:10 0 1837 Rich Gas Compressor shut down for control valve testing; 1855 off gas compressor blew a fuse upon start-up resulting in black smoke event.U Following start-up failure of 1855 off-gas compressor, 1837 Rich Gas Compressor restarted and loaded. Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 41 Continuous Assist 484 TOTAL FLARED 525 2. Facility Name PBU LISBURNE PROD (GPMA) Percent 54.6% 0.1% 0.0% 0.2% 7.6% 0.0% 0.0% 0.3% 0.0% 0.1% 37.2% Reviewe d by: 19. Remarks:Block 13: Lift Gas Off Field; Block 17: MI from Prudhoe = 2,187,426 and Fuel Gas from Prudhoe = 0 Pt McIntyre NGLs at CGF gas equivalent = 15,252; Pt McIntyre LPC Rich Gas NGLs at CGF gas equivalent = 4,361 and Lisburne LPC Rich Gas NGLs at CGF gas equivalent =6,3686; Block 18: LPC Rich Gas to CGF = 1,733,394 640180 Pool Name Prudhoe Bay, Lisburne Oil Prudhoe Bay, Niakuk Oil Prudhoe Bay, W Bch Tr Un WTRSP Prudhoe Bay, Sag Riv Undef Oil Prudhoe Bay, Prudhoe Oil Prudhoe Bay, W Beach Oil BROOKIAN UND OIL Prudhoe Bay, Pt M Stump Is Oil Prudhoe Bay, N Prudhoe Bay Oil Prudhoe Bay, Raven Oil Prudhoe Bay, Pt Mcintyre Oil 640165 640150 640186 20. For production from multiple pools, list contribution of each pool as a % of Total Volume. Pool Code 640144 640148 640187 640132 640183 640152 640147 Form 10-422 Revised 10/2021 COMMISSIONER Title: Senior Accounting Advisor 713-757-7133 Comm.Date 17. Transferred from:2,187,426 18. Transferred to: (Express as a negative #)-1,733,394 I hereby certify that the foregoing is true and correct to the best of my knowledge. Revision? Date of Revision: Authorized Name and Digital Signature with Date: Contact Phone:Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60° F. Authority 20 AAC 25.235.Contact Email:Richard.Everett@hilcorp.com MCFAuthorization >1 hr: Conservation:MCF MCFLease Use: 15. NGL Gas Equivalent 132,443 MCF16. Purchased gas 0 Waste: 12. Fuel gas used in lease operations.964,890 AOGCC Use Only 13. Other (see instructions)3,699,907 Safety: 12,430,229 11. Assist Gas 146,990 10. Pilot and Purge 12,424 Hilcorp November-2025 Disposition Volume MCF 6. Sold 132,443 7. Reinjected 7,473,575 9. Flared or vented more than 1 hour (see instr.)0 8. Flared or vented 1 hour or less 0 0290000009 PBU - GPMA 14. TOTAL VOLUME (ITEMS 6-13) STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION 1. Facility Number 3. Field 4. Operator 5. Month/Year of Disposition Form 10-422 Rev. 5/2009 INSTRUCTIONS ON REVERSE SIDE Submit in Duplicate Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, PRUDHOE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Nov-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 943 Continuous Assist 11,165 TOTAL FLARED 12,108 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, LISBURNE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Nov-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 6,781 Continuous Assist 80,209 TOTAL FLARED 86,990 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, POINT MCINTYRE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Nov-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 4,648 Continuous Assist 55,007 TOTAL FLARED 59,655 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, WEST BEACH LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Nov-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, NORTH PRUDHOE BAY LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Nov-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, COMBINED NIAKUK LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Nov-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 19 Continuous Assist 217 TOTAL FLARED 236 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, BROOKIAN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Nov-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, RAVEN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Nov-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 33 Continuous Assist 392 TOTAL FLARED 425 2. Facility Name PBU LISBURNE PROD (GPMA) Percent 53.0% 0.1% 0.0% 0.2% 8.7% 0.0% 0.0% 0.3% 0.0% 0.0% 37.8% Reviewe d by: 19. Remarks:Block 13: Lift Gas Off Field; Block 17: MI from Prudhoe = 2,140,885 and Fuel Gas from Prudhoe = 0 Pt McIntyre NGLs at CGF gas equivalent = 11,646; Pt McIntyre LPC Rich Gas NGLs at CGF gas equivalent = 4,567 and Lisburne LPC Rich Gas NGLs at CGF gas equivalent =6,361; Block 18: LPC Rich Gas to CGF = 1,812,292 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION 1. Facility Number 3. Field 4. Operator 5. Month/Year of Disposition Hilcorp December-2025 Disposition Volume MCF 6. Sold 132,619 7. Reinjected 7,735,346 9. Flared or vented more than 1 hour (see instr.)0 8. Flared or vented 1 hour or less 0 0290000009 PBU - GPMA 14. TOTAL VOLUME (ITEMS 6-13)12,889,543 11. Assist Gas 152,934 10. Pilot and Purge 12,920 12. Fuel gas used in lease operations.1,030,273 AOGCC Use Only 13. Other (see instructions)3,825,451 Safety: 15. NGL Gas Equivalent 132,619 MCF16. Purchased gas 0 Waste: MCFAuthorization >1 hr: Conservation:MCF MCFLease Use: Date of Revision: Authorized Name and Digital Signature with Date: Contact Phone:Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60° F. Authority 20 AAC 25.235.Contact Email:Richard.Everett@hilcorp.com 640132 640183 640152 640147 Form 10-422 Revised 10/2021 COMMISSIONER Title: Senior Accounting Advisor 713-757-7133 Comm.Date 17. Transferred from:2,140,885 18. Transferred to: (Express as a negative #)-1,812,292 I hereby certify that the foregoing is true and correct to the best of my knowledge. Revision? 20. For production from multiple pools, list contribution of each pool as a % of Total Volume. Pool Code 640144 640148 640187 640180 Pool Name Prudhoe Bay, Lisburne Oil Prudhoe Bay, Niakuk Oil Prudhoe Bay, W Bch Tr Un WTRSP Prudhoe Bay, Sag Riv Undef Oil Prudhoe Bay, Prudhoe Oil Prudhoe Bay, W Beach Oil BROOKIAN UND OIL Prudhoe Bay, Pt M Stump Is Oil Prudhoe Bay, N Prudhoe Bay Oil Prudhoe Bay, Raven Oil Prudhoe Bay, Pt Mcintyre Oil 640165 640150 640186 Form 10-422 Rev. 5/2009 INSTRUCTIONS ON REVERSE SIDE Submit in Duplicate Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, PRUDHOE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Dec-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 1,118 Continuous Assist 13,231 TOTAL FLARED 14,349 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, LISBURNE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Dec-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 6,847 Continuous Assist 81,042 TOTAL FLARED 87,889 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, POINT MCINTYRE LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Dec-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 4,916 Continuous Assist 58,194 TOTAL FLARED 63,110 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, WEST BEACH LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Dec-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, NORTH PRUDHOE BAY LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Dec-25 VOLUME PLANNED DATE TIME (MSCF)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, COMBINED NIAKUK LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Dec-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 16 Continuous Assist 191 TOTAL FLARED 207 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, BROOKIAN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Dec-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 0 Continuous Assist 0 TOTAL FLARED 0 Hilcorp Energy Company ALASKA CONSERVATION ORDER NO. 219 PRUDHOE BAY, RAVEN LISBURNE PRODUCTION CENTER GAS FLARING INCIDENTS Dec-25 VOLUME PLANNED DATE TIME (Mscf)DESCRIPTION OF INCIDENTS & CAUSE UNPLANNED ACTION TAKEN TO ELIMINATE CAUSE Total Flare <= 1 Hour 0 Total Flare > 1 Hour 0 Volume Flared 0 Measured Safety Pilot 23 Continuous Assist 276 TOTAL FLARED 299