Maryann T. Mannen - 01 Mar 2023 Form 4 Insider Report for MPLX LP (MPLX)

Role: Director
Signature: /s/ Molly R. Benson, Attorney-in-Fact for Maryann T. Mannen
Issuer symbol: MPLX
Transactions as of: 01 Mar 2023
Net transactions value: -$263,747
Form type: 4
Filing time: 03 Mar 2023, 14:35:18 UTC
Previous filing: 21 Feb 2023
Next filing: 10 Apr 2023
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)	Tax liability	$150,111	-4,346	-8.1%	$34.54	49,512	01 Mar 2023	Direct
transaction	MPLX	Common Units (Limited Partner Interests)	Tax liability	$113,637	-3,290	-6.6%	$34.54	46,222	01 Mar 2023	Direct
transaction	MPLX	Common Units (Limited Partner Interests)	Award	$0	+25,974	+56%	$0.000000	72,196	01 Mar 2023	Direct

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

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.