Helga Fergus Sandison

Part of Viaro Investment Ltd., Marathon Oil West of Shetlands Ltd. is a British independent energy company specializing in exploration and production. The company is based in London, UK. Marathon Oil has been operating in the Permian since 2017, primarily in the Wolfcamp and Bone Spring. Marathon Oil's governance documents, including the code of conduct, policies, certifications, and more, are cataloged for public consumption.

Founded in 2010, Marathon Oil Holdings U.K. Ltd. is a holding British company that operates subsidiaries engaged in producing crude oil and natural gas. Part of Marathon Oil Corp., the company is based in London, UK.

Founded in 1959, Rockrose Ukcs 11 Ltd. is a British petroleum services company. Part of Marathon Oil Corp., the company is based in London, UK.

Founded in 1976, Rockrose UKSC 9 Ltd. is a British company that provides employee support services. The company is based in London, UK and is part of Marathon Oil Corp.