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MPLX LP Director's Dealing 2019

Aug 2, 2019

30009_dirs_2019-08-01_a547def6-7186-4be9-ad8c-6564f2dff052.zip

Director's Dealing

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SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: MPLX LP (MPLX)
CIK: 0001552000
Period of Report: 2019-07-30

Reporting Person: ANDEAVOR LLC (10% Owner)
Reporting Person: Western Refining Southwest, Inc. (10% Owner)
Reporting Person: Tesoro Logistics GP, LLC (Less than 10% owner)
Reporting Person: Western Refining, Inc. (10% Owner)
Reporting Person: Giant Industries, Inc. (10% Owner)
Reporting Person: TESORO REFINING & MARKETING Co LLC (Less than 10% owner)
Reporting Person: Tesoro Alaska Co LLC (Less than 10% owner)

Holdings (Non-Derivative)

Security Shares Ownership
Common Units (Limited Partner Interests) 504701934 Indirect

Footnotes

F1: This Form 3 is submitted jointly by Andeavor LLC (as successor by merger to Andeavor), Western Refining, Inc. ("WRI"), Giant Industries, Inc. ("GII"), Western Refining Southwest, Inc. ("WRSI"), Tesoro Refining & Marketing Company LLC ("TRMC"), Tesoro Alaska Company LLC ("TAC"), and Tesoro Logistics GP, LLC ("TLGP") which, effective as of July 30, 2019, and pursuant to the Agreement and Plan of Merger, dated as of May 7, 2019, by and among the Issuer, Andeavor Logistics LP, TLGP, MPLX GP LLC (the "General Partner") and MPLX MAX LLC, became a part of the reporting group which includes Marathon Petroleum Corporation ("MPC"), MPC Investment LLC ("MPC Investment"), the General Partner, and MPLX Logistics Holdings LLC ("Logistics Holdings").

F2: MPC Investment, a direct wholly-owned subsidiary of MPC, owns all of the membership interests in the General Partner and Logistics Holdings. Andeavor LLC is a wholly owned subsidiary of MPC. WRI is a wholly owned subsidiary of Andeavor LLC. GII is a wholly owned subsidiary of WRI. WRSI is a wholly owned subsidiary of GII. TRMC and TAC are wholly owned subsidiaries of WRSI. All of the membership interests in TLGP are held by TRMC, TAC, and WRSI. Accordingly, MPC Investment, the General Partner, Logistics Holdings, Andeavor LLC, WRI, GII, WRSI, TRMC, TAC and TLGP are all direct or indirect wholly owned subsidiaries of MPC.