Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 12/10/2024 Water (CWA) Water (CWA) Brine Program (Oil & Gas inspection) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Merit Energy Company, LLC Osbourne A 1-21 Off South Highway 59 at 35.36022, -94.29932 Van Buren, AR 72956 13727 Noel Road, Ste. 1200 Dallas, TX 75240 Crawford County 972-628-1559 Clay Munger (501-368-4704) Operations Manager chris.heavner@meritenergy.com FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: N/A ARU002272 N/A 211111 1311 Personnel participating in inspection: Uma Lad EPA / Region 6 ECDW Kerri McCabe EPA / Region 6 ECDW Michael Blaha EPA / Region 6 ECDW Inspector / Enforcement Officer Inspector / Enforcement Officer Inspector / Enforcement Officer EPA Lead Inspector Signature/Date Supervisor Signature/Date UMA LAD Uma Lad Digitally signed by UMA LAD Date: 2025.01.27 09:13:37 -06'00' Date JEANNE ECKHART Date: 2025.01.27 13:44:10 -06'00' Digitally signed by JEANNE ECKHART Jeanne Eckhart Date 6ENFORM-019-R8.2 (02/12/2020) 1 Merit Energy Company, LLC / Osborne A 1-21 (ARU002272 / CWA) Inspection Date 12/10/2024 Section I - INTRODUCTION PURPOSE OF THE INSPECTION EPA Region 6 inspectors Uma Lad, Kerri McCabe, and Michael Blaha arrived at the Merit Energy Company, LLC / Osborne A 1-21 ("facility"), located off South Highway 59 at 35.36022, -94.29932, at 2:50 PM on December 10, 2024 for an unannounced inspection.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 01/15/2025 Water (CWA) Water (CWA) Brine Program (Oil & Gas inspection) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Capstone Oilfield Disposal of Arkansas, LLC Flanagan, Tom 1 SWD Tank Battery In Cecil from Highway 96, then Highway 41, then right onto Highway 32 (Sandstone Ridge Road), then right onto a gas lease road at 35.388535, 93.965165.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 07/12/2024 Water NPDES Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Peabody Natural Resources Company El Segundo Mine north of Milan, off NM State Road 509 Grants, New Mexico Post Office Box 757 Grants, New Mexico 87020 McKinley (505) 285-3076 Chad Gaines Tech Services Supervisor cgaines@peabodyenergy.com FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: 110062656148 NM0030996 NA 212111 1221 Personnel participating in inspection: Myron Newman Peabody Natural Resources David Esparza EPA/R6-ECDWM Technician II Environmental Engineer EPA Lead Inspector Signature/Date DAVID ESPARZA Date: 2024.09.18 10:29:14 -06'00' Digitally signed by DAVID ESPARZA David Esparza Date Supervisor Signature/Date ROBERTO BERNIER Date: 2024.09.18 12:07:44 -05'00' Digitally signed by ROBERTO BERNIER Roberto Bernier Date 6ENFORM-019-R8.2 (02/12/2020) 1 Section I - INTRODUCTION Peabody Coal/ El Segundo Mine Permit No.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) April 15, 2025 Water CWA Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: City of Bloomfield Bloomfield Wastewater Treatment Plant 1176 S.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 08/04/2025 Water Clean Water Act-National Pollution Discharge Elimination System (Brine) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: H.R.

July 30, 2025 TRANSMITTED VIA EMAIL Blair Spencer HSE Manager Cantium, LLC 111 Park Place Drive, Suite 100 Covington, LA 70433 blair.spencer@cantium.us Re: Notice of Potential Violation and Opportunity to Confer NPDES Permit: GMG290615 Dear Mr.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date: Media Program: Regulatory Program: 01/12/2026 Water (CWA) Water (CWA) Brine Program (Oil & Gas inspection) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number: Facility Contact: Cypress Operating, Inc.

Inspector Well Inspection Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas, Texas 75270 Matthew Allen Inspection Date 03/24/2026 Time 14:30 Operator Representative McCann Resources, Inc Operator Info McCann Resources, Inc 1613 West 6th Street Bartlesville, OK 740033404 Phone: 918-337-4747 Inventory ID API Well No Lease Name Well ID OS2210000 Parker W-75 Location SW 15 27N 12E Status Active Well Type Enhanced Recovery Latitude 36.816148 Longitude -96.004593 Inspection Requested By Compliance Reason Staff Responsible Company at McCann Resources, Inc Time of Inspection Inspect No.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 2/25/2020 Water, Clean Water Act, National Pollution Discharge Elimination System Oil and Gas, Produced Water Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: JnK Energy Corporation Jennings "D" Lease 34.0055183N, -98.9042614W Electra, Texas, 76360 1705 Quail Valley Rd.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: 3/04/2020 Water Brine - CWA Rebel Producing, LLC Shaw No. 2 32.063405, -94.962232 Kilgore, Texas 75652 110 FM 382 Ballinger, Texas 76821 Rusk County 903-983-0030 Main Office FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: N/A TXU011257 N/A 21111 1311 Personnel participating in inspection: Kent W.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: 04/13/2021 Water CWA - NPDES, Produced Water Petco Petroleum Corporation Unknown (Oilton) 36.029742n, -96.597962W Oilton, Oklahoma 108 E.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 02/07/2023 Water Clean Water Act-National Pollution Discharge Elimination System (Brine) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Calgary Energy, LLC Tidal Osage Latitude: 36.541029, Longitude: -96.418515 Hominy, OK, 74035 4444 E. 146th St.

Inspector Inspection Due Operator Info Location Well Inspection Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas, Texas 75270 Matthew Allen Inspection Date 02/14/2023 Time Operator Representative CapturePoint, LLC Petroleum, LLC) CapturePoint, LLC (formerly Inventory ID OS0517000 Perdure Petroleum, LLC) 1101 Central Expwy S., Suite 150 Allen, TX 75013 API Well No Lease Name Well ID NBU 84-W3 Phone: 832-300-8221 SW 36 27N 05E Status Active Well Type 11:50 (formerly Perdure Enhanced Recovery Latitude 36.769815 Longitude -96.719108 Inspection Reason MIT Responsible Company at Time CapturePoint, LLC of Inspection Inspect No.

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UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 DALLAS, TEXAS 23 Jlll 5 - PM 12: 50 IN THE MATTER OF: TULSA WINCH INC.