MPLX LP files 2016 Form 10-K

FINDLAY, Ohio, Feb. 24, 2017 - MPLX LP (NYSE: MPLX) today announced it has filed with the U.S. Securities and Exchange Commission its Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2016. The filing can be viewed through a link on MPLX's website at www.mplx.com by selecting the "SEC Filings" link under the "Investors" tab.

Upon written request, unitholders may receive, free of charge, a copy of MPLX's Annual Report on Form 10-K (including complete audited financial statements). Requests should be communicated in writing to MPLX LP, Attention: Investor Relations, 200 E. Hardin Street, Findlay, OH 45840.

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About MPLX LP

MPLX is a diversified, growth-oriented master limited partnership formed in 2012 by Marathon Petroleum Corporation 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 products pipeline assets located in the Midwest and Gulf Coast regions of the United States; an inland marine business; a butane storage cavern located in West Virginia with approximately 1 million barrels of storage capacity; crude oil and product storage facilities (tank farms) with approximately 4.5 million barrels of available storage capacity; 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.

Investor Relations Contacts:
Lisa D. Wilson (419) 421-2071
Doug Wendt (419) 421-2423
Denice Myers (419) 421-2965

Media Contacts:
Chuck Rice (419) 421-2521
Jamal Kheiry (419) 421-3312