News & Headlines


MPLX LP Overview

MPLX is a diversified, large-cap master limited partnership formed by Marathon Petroleum Corporation (MPC) that owns and operates midstream energy infrastructure and logistics assets, and provides fuels distribution services. MPLX’s assets include a network of crude oil and refined product pipelines; an inland marine business; light-product terminals; storage caverns; refinery tanks, docks, loading racks, and associated piping; and crude and light-product marine terminals. The company also owns crude oil and natural gas gathering systems and pipelines as well as natural gas and natural gas liquids (NGL) processing and fractionation facilities in key U.S. supply basins.


Financial Results

MPLX Announces 2019 Fourth-Quarter
and Full-Year Financial Results Jan. 29
Click here
for conference call

Annual Report

2018 Annual Report & 10-K
2018 Annual Report (PDF; 4MB)