About MPLX

Company Overview
Formed in 2012 by Marathon Petroleum Corporation (MPC), MPLX is engaged in the gathering, processing and transportation of natural gas; the transportation, fractionation, storage and marketing of natural gas liquids (NGLs); the gathering, transportation, storage and distribution of crude oil, refined products, other hydrocarbon-based products and renewables; as well as refining logistics and fuels distribution services.
We provide these midstream services across the hydrocarbon value chain through our two business segments – Crude Oil and Products Logistics and Natural Gas and NGL Services.
MPLX's assets include:
- Crude oil and refined product pipelines
- Marine business
- Crude and light-product marine terminals
- Docks
- Light-product and asphalt terminals
- Rail facilities
- Liquified petroleum gas (LPG) storage caverns
- Refinery tanks
- Loading racks and associated piping
- Crude oil and natural gas gathering systems
- Natural gas and natural gas liquids (NGL) processing and fractionation facilities
MPLX is the primary midstream provider for MPC, which is the largest refiner in the United States in terms of refining capacity. MPC has crude oil refineries in the Gulf Coast, Mid-Continent and West Coast regions of the country. MPLX also has long-term relationships with a diverse set of producer customers in many crude oil and natural gas resource plays, including the Permian Basin, Marcellus Shale, Utica Shale, STACK Shale and Bakken Shale, among others.
MPLX continues to focus on capital discipline and free-cash-flow generation while executing on our growth capital plan. We continuously evaluate our portfolio to identify opportunities to develop, expand and participate in projects that complement our existing assets, assess strategic acquisitions and ensure all assets remain strategic to the portfolio. This includes positioning the MPLX portfolio and capabilities to be successful through an evolving energy landscape.
MPLX Leadership
Board of Directors
MPLX benefits from thoughtful oversight in all matters of governance.
Officers
MPLX is guided by a strategic, passionate leadership team devoted to delivering value for all our stakeholders.
Operations
We are focused on delivering for our customers safely, reliably and responsibly. Our integrated service offerings and critical connections to major energy hubs make us a premier midstream partner.
Sustainability
Our commitment to sustainability means taking actions that create shared value with our stakeholders – empowering people to achieve more, contributing to progress in our communities and protecting the environment.
Investors
MPLX is a diversified, large-cap master limited partnership. We are dedicated to delivering long-term value to our unitholders while operating in a safe, reliable and responsible manner.