MPLX LP — Director's Dealing 2016

May 24, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MPLX LP (MPLX)
CIK: 0001552000
Period of Report: 2016-05-23

Reporting Person: Buese Nancy (Exec VP and CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-23	Common Units (Limited Partner Interests)	S	5000	$34.00	Disposed	197779	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2016.