Marathon Petroleum Corp. and MPLX LP announce executive retirement

FINDLAY, Ohio, March 15, 2017 - Marathon Petroleum Corporation MPC and MPLX LP MPLX today announced the retirement of Randy S. Nickerson, executive vice president, Corporate Strategy, MPC, and executive vice president and chief commercial officer, MarkWest assets, of the general partner of MPLX, effective April 1, 2017. Following his retirement, Nickerson intends to serve in a consulting/advisory role to MPC and MPLX.

"After nearly 35 years in the energy industry, Randy has elected to retire in part to pursue his philanthropic passions," said Gary R. Heminger, MPC chairman, president and chief executive officer.  "We are grateful he deferred his previously announced retirement from MarkWest by more than 18 months to help create and realize the significant commercial synergies arising from the strategic combination of MPC, MPLX and MarkWest," Heminger added. "His commitment to customer satisfaction and his vision for creating industry solutions are unsurpassed and we are thankful for his dedication and service."

Nickerson joined MarkWest Hydrocarbon in 1995 as manager, new projects and was named general manager, Michigan business unit in 1996. He was appointed vice president and general manager of the Appalachia business unit in 1997. Nickerson was named senior vice president in 2001, and was in this position when MarkWest Energy Partners was formed in 2002. In 2003, he was named senior vice president, corporate development, and in 2006 was named chief commercial officer. Nickerson joined MPC in 2015, when MarkWest became a subsidiary of MPLX.

"Throughout the last year, Randy has worked diligently to develop and extend arrangements with some of our largest producer customers, positioning us for success well into the future," said Donald C. Templin, president of MPLX's general partner. "We thank Randy for his many years of leadership and his tremendous contributions to MarkWest and MPLX."

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About Marathon Petroleum Corporation
MPC is the nation's third-largest refiner, with a crude oil refining capacity of approximately 1.8 million barrels per calendar day in its seven-refinery system. Marathon brand gasoline is sold through approximately 5,500 independently owned retail outlets across 19 states. In addition, Speedway LLC, an MPC subsidiary, owns and operates the nation's second-largest convenience store chain, with approximately 2,730 convenience stores in 21 states. MPC owns, leases or has ownership interests in approximately 8,400 miles of crude and light product pipelines and more than 5,600 miles of gas gathering and natural gas liquids (NGL) pipelines. MPC also has ownership interests in 54 gas processing plants, 14 NGL fractionation facilities and two condensate stabilization facilities. Through subsidiaries, MPC owns the general partner of MPLX LP, a midstream master limited partnership. MPC's fully integrated system provides operational flexibility to move crude oil, NGLs, feedstocks and petroleum-related products efficiently through the company's distribution network and midstream service businesses in the Midwest, Northeast, East Coast, Southeast and Gulf Coast regions.

About MPLX LP
MPLX is a diversified, growth-oriented master limited partnership formed in 2012 by Marathon Petroleum Corporation (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; and the transportation and storage of crude oil and refined petroleum products. Headquartered in Findlay, Ohio, MPLX's assets consist of a network of common carrier crude oil and refined products pipeline assets located in the Midwest and Gulf Coast regions of the United States; an inland marine business; light-product terminals; a butane storage cavern located in West Virginia with approximately 1 million barrels of storage capacity and eight natural gas liquids storage caverns in Woodhaven, Michigan; crude oil and product storage facilities (tank farms); a crude oil truck unloading facility at MPC's refinery in Canton, Ohio; a barge dock facility with approximately 78,000 barrels per day of crude oil and product throughput capacity; and gathering and processing assets that include more than 5,600 miles of gas gathering and NGL pipelines, 54 gas processing plants, 14 NGL fractionation facilities and two condensate stabilization facilities.

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