CIK 101778

MARATHON OIL CORP

EDGAR filings

Customers

1 disclosed

Suppliers

2 disclosed

Largest customer

22%

MPC · FY to 2023-12-31

Named-customer revenue

$1.4B

1 customer · FY to 2023-12-31

Latest period

Dec 31, 2025

10-K filed 2026-03-10

Band height is the estimated dollar value: the disclosed share × the discloser's revenue for that period (latest full year where available) or federal dollars obligated. Each side is scaled on its own; dashed outlines are named without a figure. Click a band to open its source.

Customers 2

Companies MARATHON OIL CORP discloses as major customers, as a share of MARATHON OIL CORP revenue. 1 active, 1 lapsed.

Company	% of MARATHON OIL CORP revenue	Est. revenue	Period	Trend	Status	Source
MPC Marathon Petroleum Corp	22%	$1.4B	FY 2023-12-31	±0.0pp	Active	10-K 2024-02-22
Marathon Petroleum Corporation 22 % 22 % 17 % 10-K filed 2024-02-22 Period FY 2023-01-01 to 2023-12-31 (22%), FY 2022-01-01 to 2022-12-31 (22%), FY 2021-01-01 to 2021-12-31 (17%)Accession 0000101778-24-000023 Marathon Petroleum Corporation 22 % 17 % 13 % 10-K filed 2023-02-16 Period FY 2020-01-01 to 2020-12-31 (13%)Accession 0000101778-23-000030 Marathon Petroleum Corporation 17 % 13 % 13 % 10-K filed 2022-02-17 Period FY 2019-01-01 to 2019-12-31 (13%)Accession 0000101778-22-000016
Koch Resources LLC Non-SEC Koch Resources LLC	12%	$371.6M	FY 2020-12-31	−1.0pp	Lapsed Last seen 2020-12-31	10-K 2023-02-16
Koch Resources LLC N/A N/A 12 % 10-K filed 2023-02-16 Period FY 2020-01-01 to 2020-12-31 (12%)Accession 0000101778-23-000030 Koch Resources LLC N/A 12 % 13 % 10-K filed 2022-02-17 Period FY 2019-01-01 to 2019-12-31 (13%)Accession 0000101778-22-000016 In 2019, sales to Marathon Petroleum Corporation, Koch Resources LLC, Valero Marketing and Supply and Shell Trading and each of their respective affiliates, accounted for approximately 13%, 13%, 11% and 10% of our total revenues. 10-K filed 2021-02-23 Period FY 2018-01-01 to 2018-12-31 (11%)Accession 0000101778-21-000018

Suppliers 5

Companies that disclose MARATHON OIL CORP as a major customer, as a share of their own revenue. 2 active, 3 lapsed.

Company	% of their revenue	Est. $ from MARATHON OIL CORP	Period	Trend	Status	Source
INR INFINITY NATURAL RESOURCES, INC.	33%	$115.6M	FY 2025-12-31		Active	10-K 2026-03-10
Marathon Oil Company 33 % 55 % 10-K filed 2026-03-10 Period FY 2025-01-01 to 2025-12-31 (33%)Accession 0002029118-26-000014
Whiting Holdings LLC Whiting Holdings LLC	11%	$168.7M	FY 2021-12-31		Active	10-K/A 2022-03-04
Year Ended December 31, 2021 Shell Trading (US) Company 23%Marathon Oil Company 11% Year Ended December 31, 2020 Shell Trading (US) Company 14%Tesoro Crude Oil Co 13% Year Ended December 31, 2019 Tesoro Crude Oil Co 14%Philips 66 Company 12% Commodity derivative contracts held by the Company are with nine counterparties, all of which are participants in Whiting’s credit facility and all of which have investment-grade ratings from Moody’s and Standard & Poor’s. 10-K/A filed 2022-03-04 Period FY 2021-01-01 to 2021-12-31 (11%)Accession 0001255474-22-000012
Breitburn Energy Partners LP Breitburn Energy Partners LP	8%	$114.4M	FY 2014-12-31	−2.0pp	Lapsed Last seen 2014-12-31	10-K 2015-03-02
Marathon Oil Corporation 8 % 10 % 14 % 10-K filed 2015-03-02 Period FY 2014-01-01 to 2014-12-31 (8%), FY 2012-01-01 to 2012-12-31 (14%)Accession 0001357371-15-000063 Marathon Oil Corporation (a) (a) 10 % 10-K filed 2016-02-26 Period FY 2013-01-01 to 2013-12-31 (10%)Accession 0001357371-16-000312 Marathon Oil Corporation 10 % 14 % 15 % 10-K filed 2014-02-28 Period FY 2011-01-01 to 2011-12-31 (15%)Accession 0001357371-14-000004
Grizzly Energy, LLC Grizzly Energy, LLC	3%	$10.3M	FY 2016-12-31	−4.0pp	Lapsed Last seen 2016-12-31	10-K 2017-03-15
Marathon Oil Company 3% 7% 12% 10-K filed 2017-03-15 Period FY 2016-01-01 to 2016-12-31 (3%), FY 2014-01-01 to 2014-12-31 (12%)Accession 0001384072-17-000044 ConocoPhillips 11% 7% —% 10-K filed 2017-03-15 Period FY 2015-01-01 to 2015-12-31 (7%)Accession 0001384072-17-000044 Marathon Oil Company 7% 12% 14% 10-K filed 2016-03-08 Period FY 2013-01-01 to 2013-12-31 (14%)Accession 0001384072-16-000138 Marathon Oil Company 12% 14% 21% 10-K filed 2015-03-02 Period FY 2012-01-01 to 2012-12-31 (21%)Accession 0001384072-15-000010 Marathon Oil Company 14% 21% 22% 10-K filed 2014-02-28 Period FY 2011-01-01 to 2011-12-31 (22%)Accession 0001384072-14-000013
Aris Water Solutions, Inc. Aris Water Solutions, Inc.	Named	—	FY 2022-12-31	—	Lapsed Last seen 2022-12-31	10-K 2023-03-09
Statement of Operations Other Statement of Operations information is as follows: (in thousands) Year Ended December 31, 2022 2021 2020Depreciation, Amortization and Accretion Depreciation - Property, Plant and Equipment $ 30,254 $ 27,880 $ 23,388Amortization - Intangible Assets 36,735 32,605 20,413Accretion of Asset Retirement Obligations 535 282 226Total Depreciation, Amortization and Accretion $ 67,524 $ 60,767 $ 44,027 Other Operating Expense Loss (Gain) on Disposal of Asset, Net $ 478 $ 275 $ 133Transaction Costs 1,520 335 3,389Abandoned Projects (1) 72 2,047 2,125Other 142 — —Total Other Operating Expense $ 2,212 $ 2,657 $ 5,647 Interest Expense, Net Interest on Debt Instruments $ 31,609 $ 26,221 $ 10,711Amortization of Financing Costs 2,440 2,043 783Total Interest Expense 34,049 28,264 11,494Less: Capitalized Interest (4,864) (2,791) (3,820)Total Interest Expense, Net $ 29,185 $ 25,473 $ 7,674 (1)Abandoned projects expense is related primarily to expirations of legacy permits and rights-of-way for projects that were not ultimately constructed.Significant CustomersCustomers that comprised more than 10% of our total revenue are as follows: Year Ended December 31, 2022 2021 2020 ConocoPhillips 34% 46% 38%Mewbourne Oil Company 12% % %Chevron U.S.A. Inc. 11% % %Oxy USA Inc. % 10% 15%XTO Energy Inc. % % 10% Revenue was less than 10% of total revenue.As of December 31, 2022, ConocoPhillips accounted for 36% and Mewbourne Oil Company accounted for 11% of accounts receivable. 10-K filed 2023-03-09 Period FY 2022-01-01 to 2022-12-31Accession 0001558370-23-003281

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