FRANK M. SEMPLE - 01 Oct 2021 Form 4 Insider Report for MPLX LP (MPLX)

Role: Director
Signature: /s/ Molly R. Benson, Attorney-in-Fact for Frank M. Semple
Issuer symbol: MPLX
Transactions as of: 01 Oct 2021
Transactions value $: $0
Form type: 4
Filing time: 05 Oct 2021, 12:23:38 UTC
Previous filing: 17 Aug 2021
Next filing: 10 Nov 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)	Award	$0	+1.1K	+4.33%	$0.00	26.6K	01 Oct 2021	Direct
holding	MPLX	Common Units (Limited Partner Interests)						416K	01 Oct 2021	Frank M Semple Revocable Trust
holding	MPLX	Common Units (Limited Partner Interests)						111K	01 Oct 2021	Robin Y Semple 2012 Dynasty Trust
holding	MPLX	Common Units (Limited Partner Interests)						48.8K	01 Oct 2021	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.