Marathon Petroleum Corporation (MPC) is a largescale, geographically-diversifiedand highly-integrated refining, marketing and midstream business.

MPC is the country's largest refiner, using a crude oil refining capacity of more than 3 million barrels per calendar day at its own 16-refinery system.

MPC's high-quality, nationally retail and marketing business includes roughly 3,900 company-owned and -operated stores and 7,800 branded locations.

MPC possesses the general partners of MPLX LP and Andeavor Logistics LP, two strong, customer-focused midstream master limited partnerships.