UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of each class Trading Symbol Name of each exchange on which registered Common Stock, par value $1.00 MRO New York Stock Exchange FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Commissio ...

Marathon Oil Corporation (NYSE:MRO) Q2 2019 Earnings Conference Call August 8, 2019 9:00 AM ET Company Participants Guy Baber - VP, IR Lee Tillman - Chairman, President & CEO Dane Whitehead - EVP & CFO Mitch Little - EVP, Operations Conference Call Participants Arun Jayaram - JPMorgan Brian Singer - Goldman Sachs Scott Hanold - RBC Capital Markets Doug Leggate - Bank of America Neal Dingmann - SunTrust David Heikkinen - Heikkinen Energy Advisors Jamaal Tudor - Tudor Pickering Jeanine Wai - Barclays Pavel Mo ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of each class Trading Symbol Name of each exchange on which registered Common Stock, par value $1.00 MRO New York Stock Exchange FORM 10-Q (Mark One) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2019 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Comm ...

Marathon Oil Corporation (NYSE:MRO) Q1 2019 Earnings Conference Call May 2, 2019 9:00 AM ET Company Participants Lee Tillman - Chairman, President, Chief Executive Officer Dane Whitehead - Executive Vice President, Chief Financial Officer Mitch Little - Executive Vice President, Operations Guy Baber - Vice President, Investor relations Conference Call Participants Arun Jayaram - JP Morgan Neal Dingmann - SunTrust Ryan Todd - Simmons Energy Doug Leggate - Bank of America Scott Hanold - RBC Capital Markets J ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2018 Commission file number 1-5153 Marathon Oil® Marathon Oil Corporation (Exact name of registrant as specified in its charter) Delaware 25-0996816 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 5555 San Felipe Street, Houston, TX 77056-2723 (Address o ...