Exhibit 21
SUBSIDIARY LISTING OF CONOCOPHILLIPS
Listed below are subsidiaries of the registrant at December 31, 2025. Certain subsidiaries are omitted since such companies considered in the aggregate do not constitute a significant subsidiary.
| Company Name | Incorporation Location | ||||
| Bosque Oil Company LLC | Delaware | ||||
| BROG LP LLC | Delaware | ||||
| Burlington Resources LLC | Delaware | ||||
| Burlington Resources Oil & Gas Company LP | Delaware | ||||
| Burlington Resources Trading LLC | Delaware | ||||
| COG Acreage LP | Texas | ||||
| COG Operating LLC | Delaware | ||||
| COG Production LLC | Texas | ||||
| COG Realty LLC | Texas | ||||
| Concho Resources LLC | Delaware | ||||
| Conoco Funding Company | Nova Scotia | ||||
| Conoco Petroleum Operations Inc. | Delaware | ||||
| ConocoPhillips (U.K.) Marketing and Trading Limited | United Kingdom | ||||
| ConocoPhillips Alaska II, Inc. | Delaware | ||||
| ConocoPhillips Alaska, Inc. | Delaware | ||||
| ConocoPhillips Angola 36 Ltd. | Cayman Islands | ||||
| ConocoPhillips Angola 37 Ltd. | Cayman Islands | ||||
| ConocoPhillips ANS Marketing Company | Delaware | ||||
| ConocoPhillips APME Holdings S.à r.l. | Luxembourg | ||||
| ConocoPhillips Asia Ventures Pte. Ltd. | Singapore | ||||
| ConocoPhillips Australia Investments Pty Ltd | Australia | ||||
| ConocoPhillips Australia Pacific LNG Pty Ltd | Western Australia | ||||
| ConocoPhillips Bohai Limited | Bahamas | ||||
| ConocoPhillips Canada (BRC) Partnership | Alberta | ||||
| ConocoPhillips Canada (NS) 2423 ULC | Alberta | ||||
| ConocoPhillips Canada (NS) 2430 ULC | Alberta | ||||
| ConocoPhillips Canada Resources Corp. | Alberta | ||||
| ConocoPhillips China Inc. | Liberia | ||||
| ConocoPhillips Company | Delaware | ||||
| ConocoPhillips Gulf Coast LNG LLC | Delaware | ||||
| ConocoPhillips Libya Waha Ltd. | Cayman Islands | ||||
| ConocoPhillips Marketing & Trading International LLC | Delaware | ||||
| ConocoPhillips Norge | Delaware | ||||
| ConocoPhillips Port Arthur LNG LLC | Delaware | ||||
| ConocoPhillips Qatar B.V. | Netherlands | ||||
| ConocoPhillips Qatar Funding Ltd. | Cayman Islands | ||||
| ConocoPhillips Qatar Ltd. | Cayman Islands | ||||
Exhibit 21
| Company Name | Incorporation Location | ||||
| ConocoPhillips Sabah Ltd. | Bermuda | ||||
| ConocoPhillips Skandinavia AS | Norway | ||||
| ConocoPhillips Surmont Partnership | Alberta | ||||
| ConocoPhillips Transportation Alaska, Inc. | Delaware | ||||
| Marathon E.G. Holding Limited | Cayman Islands | ||||
| Marathon E.G. LPG Limited | Cayman Islands | ||||
| Marathon E.G. Production Limited | Cayman Islands | ||||
| Marathon International Investment LLC | Delaware | ||||
| Marathon International Oil Company | Delaware | ||||
| Marathon Oil (East Texas) L.P. | Texas | ||||
| Marathon Oil (West Texas) L.P. | Texas | ||||
| Marathon Oil Company LLC | Texas | ||||
| Marathon Oil Corporation | Delaware | ||||
| Marathon Oil EF II LLC | Delaware | ||||
| Marathon Oil EF LLC | Delaware | ||||
| Marathon Oil International Enterprises Limited | Cayman Islands | ||||
| Marathon Oil KDV B.V. | Netherlands | ||||
| Marathon Oil Permian LLC | Delaware | ||||
| Marathon West Texas Holdings LLC | Delaware | ||||
| MOC Portfolio Delaware, Inc. | Delaware | ||||
| Pennaco Energy, Inc. | Delaware | ||||
| Permian Delaware Enterprises Holdings LLC | Texas | ||||
| Phillips International Investments, Inc. | Delaware | ||||
| Phillips Investment Company LLC | Nevada | ||||
| Phillips Petroleum International Corporation LLC | Delaware | ||||
| Phillips Petroleum International Investment Company LLC | Delaware | ||||
| RSP Permian, Inc. | Delaware | ||||
| RSP Permian, L.L.C. | Delaware | ||||
| Sooner Insurance Company | Vermont | ||||
| The Louisiana Land and Exploration Company LLC | Maryland | ||||