Marathon Oil announces Mark McCollum and Shawn Williams to join its Board of Directors

– USA, TX –  Marathon Oil Corporation (NYSE: MRO) today announced the elections of Mark McCollum and Shawn Williams to its board of directors, effective respectively on 1st Dec. 2022, and 1st Feb. 2023.

“We are excited to welcome Mark and Shawn to Marathon’s board of director. Mark and Shawn each bring strategic vision, a strong track record, diverse experience and a unique perspective, making them exceptional additions to our board as we continue to execute our strategy and deliver on our Framework for Success,” said chairman, president and CEO, Lee Tillman.

About Mark A. McCollum

Mark McCollum served as the president and CEO of Weatherford International plc from April 2017 to June 2020. Before joining Weatherford, Mr. McCollum served as EVP and CFO of Halliburton Company, a position he assumed in 2008. He resumed in July 2016 following an interim role from December 2014 to July 2016 as EVP and CIO. From 1995 to 2003, Mr. McCollum held several senior positions at Tenneco, Inc., including CFO. From 1991 to 1995, he served as an Audit and Advisory Partner in Arthur Andersen’s Energy Division, where he began his career. Mr. McCollum has served on the board of directors of Westlake Corporation since May 2018, and on the board of directors of Seadrill Limited since February 2022.

He received a B.B.A. in Accounting from Baylor University and is a CPA in Texas.

About Shawn D. Williams

Shawn Williams currently serves as the executive chairman of the board of managers of Covia Holdings LLC. Mr. Williams joined Covia in December 2020 as chairman and was interim CEO for seven months before transitioning to the executive chairman role in January 2022. Before Covia, Mr. Williams served as CEO of Nexeo Plastics Holdings, Inc., from April 2019 until June 2020 and from September 2012 to March 2019 as EVP of Nexeo Solutions, Inc. Before joining Nexeo Solutions, from 2007 to 2012 Mr. Williams served as president of Momentive Global Sealants and Momentive Performance Materials, Inc. Earlier in his career, Mr. Williams spent 22 years serving in industrial sales and manufacturing leadership roles at General Electric Company and led businesses globally in the Americas, Europe, and Asia across a broad sector of markets. Mr. Williams has also served on the board of directors of Kirby Corporation since July 2021, and on the board of directors of Tetra Technologies, Inc. since March 2021.

Mr. Williams earned his MBA from the Haas School of Business at the University of California, Berkeley, and a B.S. in electrical engineering from Purdue University.

About Marathon Oil

Marathon Oil is an independent oil and gas exploration and production company focused on four of the most competitive resource plays in the U.S. – Eagle Ford, Texas; the Bakken, North Dakota, the STACK and SCOOP in Oklahoma and the Permian in New Mexico, complemented by a world-class integrated gas business in Equatorial Guinea.

Our framework for success is founded on a solid balance sheet, ESG excellence, and the competitive advantages of our multi-basin portfolio.

For more information: https://www.marathonoil.com/

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