WELCOME As of 2011, Marathon Oil Corporation and Marathon Petroleum Corporation are two completely separate entities — each positioned to deliver continued shareholder growth. Marathon Oil is an independent exploration and production (E&P) company based in Houston. We’re focused on the most significant oil-rich resource plays in the U.S. — the Eagle Ford in Texas, Permian in New Mexico, STACK and SCOOP in Oklahoma, and the Bakken in North Dakota. We also have international operations in Equatorial Guinea. Our stock trades on the New York Stock Exchange under the ticker symbol: MRO. ENTER SITE Marathon Petroleum Corporation (NYSE: MPC) is a leading, nationwide, integrated energy company. Headquartered in Findlay, Ohio, the company operates the nation’s largest refining system. MPC’s marketing system includes branded locations across the United States, including Marathon brand retail outlets. Speedway LLC, an MPC subsidiary, owns and operates retail convenience stores across the United States. MPC also owns the general partner and majority limited partner interest in two midstream companies, MPLX LP (NYSE: MPLX) and Andeavor Logistics LP (NYSE: ANDX), which own and operate gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure. ENTER SITE