Donald C. Templin - 02 Aug 2021 Form 4 Insider Report for MPLX LP (MPLX)

Role: Director
Signature: /s/ Molly R. Benson, Attorney-in-Fact for Donald C. Templin
Issuer symbol: MPLX
Transactions as of: 02 Aug 2021
Net transactions value: $0
Form type: 4
Filing time: 04 Aug 2021, 18:24:13 UTC
Next filing: 17 Aug 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MPLX	Common Units (Limited Partner Interests)	Disposed to Issuer	$0	-13,288	-14%	$0.000000	79,852	02 Aug 2021	Direct	F1
transaction	MPLX	Common Units (Limited Partner Interests)	Award	$0	+650	+0.81%	$0.000000	80,502	02 Aug 2021	Direct
holding	MPLX	Common Units (Limited Partner Interests)						18,000	02 Aug 2021	By spouse

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects disposition of unvested MPLX equity award due to retirement from Marathon Petroleum Corporation.

Remarks:

The Reporting Person is a Director of MPLX GP LLC, the general partner of the Issuer. The Issuer is managed by the directors and executive officers of MPLX GP LLC.