News & Headlines


MPLX LP Overview

MPLX is a diversified, large-cap master limited partnership 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 NGL processing and fractionation facilities in key U.S. supply basins. More information is available at


Financial Results

2018 Fourth-Quarter and Full-Year Financial Results
Feb. 7, 2019, at 11 a.m., EST
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for conference call

Annual Report

2017 Annual Report & 10-K
MPLX delivered record financial and operational results in 2017, gathering, processing and fractionating record gas and NGL volumes and more than tripling net income for the year.
2017 Annual Report (PDF; 7MB)