Frank M. Semple - May 15, 2023 Form 4 Insider Report for MPLX LP (MPLX)

Role: Director
Signature: /s/ Molly R. Benson, Attorney-in-Fact for Frank M. Semple
Stock symbol: MPLX
Transactions as of: May 15, 2023
Transactions value $: $0
Form type: 4
Date filed: 5/17/2023, 01:25 PM
Previous filing: Apr 5, 2023
Next filing: Jul 5, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MPLX	Common Units (Limited Partner Interests)	Award	$0	+853	+2.29%	$0.00	38.2K	May 15, 2023	Direct
holding	MPLX	Common Units (Limited Partner Interests)						333K	May 15, 2023	Frank M Semple Revocable Trust
holding	MPLX	Common Units (Limited Partner Interests)						111K	May 15, 2023	Robin Y Semple 2012 Dynasty Trust
holding	MPLX	Common Units (Limited Partner Interests)						48.8K	May 15, 2023	EK Holdings LLC

* 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.