MPLX LP — Director's Dealing 2015

Dec 8, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MPLX LP (MPLX)
CIK: 0001552000
Period of Report: 2015-12-04

Reporting Person: MOLLENKOPF JOHN C (Exec VP and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-12-04	Common Units (Limited Partner Interests)	A	294783	—	Acquired	294783	Direct

Footnotes

F1: Received in exchange for 270,444 MarkWest Energy Partners, L.P. ("MarkWest") common units, including converted phantom units (net of any required withholding taxes with respect to phantom units) in connection with the merger of Sapphire Holdco LLC, a wholly owned subsidiary of the Issuer, with and into MarkWest on December 4, 2015, with MarkWest as the surviving entity (the "Merger"). The Merger consideration for this transaction was 1.09 Issuer common units plus $6.20 in cash per MarkWest common unit or phantom unit converted in connection with the Merger, with cash paid in lieu of fractional units.

F2: On the effective date of the Merger, the closing price of the Issuer's common units was $30.83 per unit.