Correspondence - Form CORRESP

990 Town and Country Boulevard Houston, TX 77024-2217 Telephone: 713-629-6600

June 9, 2022

United States Securities and Exchange Commission

Division of Corporation Finance

Office of Energy & Transportation

100 F Street, N.E.

Washington, D.C. 20549

Re: Marathon Oil Corporation

Form 10-K for Fiscal Year Ended December 31, 2021

Filed February 17, 2022

Form 8-K filed May 4, 2022

File No. 001-05153

Ladies and Gentlemen:

On behalf of Marathon Oil Corporation (the "Company"), we acknowledge receipt of your letter dated May 26, 2022 (the "Comment Letter"), concerning the above-referenced filings, in which you requested that we respond within ten business days or advise you when we would provide a response. We have begun to analyze the comments of the staff of the Securities and Exchange Commission ("Staff") and the Company is in the process of preparing a response. As discussed by telephone with the Staff on June 8, 2022, we respectfully request an extension of an additional 5 business days so that we may devote the appropriate amount of time and resources to ensure a sufficient response. The Company will provide a comprehensive response to the Comment Letter no later than June 17, 2022.

We appreciate your consideration in this matter. If you have any questions concerning our request, please do not hesitate to contact the undersigned at 713-296-4423.

Very truly yours,

/s/ Rob L. White

Rob L. White

Vice President, Controller and Chief Accounting Officer

Marathon Oil Corporation