DeGolyer and MacNaughton
5001 Spring Valley Road
Suite 800 East
Dallas, Texas 75244
December 7, 2020
ConocoPhillips
925 N. Eldridge Parkway
Houston, Texas 77079
Ladies and Gentlemen:
We hereby consent to the use of the name DeGolyer and MacNaughton and to references to DeGolyer and MacNaughton as an independent petroleum engineering consulting firm under the caption “Experts” in Amendment No. 1 to the Registration Statement (Form S-4 No. 333-250183) of ConocoPhillips. We also hereby consent to the incorporation by reference of the DeGolyer and MacNaughton process review letter dated February 18, 2020, which appears in ConocoPhillips’ Annual Report on Form 10-K for the year ended December 31, 2019 and in Amendment No. 1 to the Registration Statement (Form S-4 No. 333-250183) of ConocoPhillips.
| Very truly yours, |
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| /s/ DeGolyer and MacNaughton |
| DeGOLYER and MacNAUGHTON |
| Texas Registered Engineering Firm F-716 |