MPLX 2019 Annual Report

Energy – Annual Report Series – Denver based MarkWest

MPLX is a diversified, growth-oriented master limited partnership formed in 2012 by MPC to own, operate, develop, and acquire midstream energy infrastructure assets. We are engaged in the gathering, processing, and transportation of natural gas; the gathering, transportation, fractionation, storage and marketing of NGLs; the transportation, storage, and distribution of crude oil and refined petroleum products; as well as refining logistics and fuels distribution services. MPLX provides services in the midstream sector across the hydrocarbon value chain through our Logistics and Storage and Gathering and Processing segments.