UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) August 17, 2020

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MPLX LP

(Exact name of registrant as specified in its charter)

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Delaware	001-35714	27-0005456
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

200 E. Hardin Street, Findlay, Ohio 45840

(Address of principal executive offices) (Zip code)

Registrant’s telephone number, including area code: (419) 421-2414

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: 

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each class	Trading symbol(s)	Name of each exchange on which registered
Common Units Representing Limited Partnership Interests	MPLX	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

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Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On August 17, 2020, Gregory S. Floerke was appointed Chief Operating Officer and Executive Vice President, Gathering & Processing, Trucks & Rail of the general partner of MPLX LP ("MPLX").

Mr. Floerke will continue to receive compensation and benefits materially similar to those described in MPLX’s Annual Report on Form 10-K for the year ended December 31, 2019, as filed with the Securities and Exchange Commission on February 28, 2020 (the “2019 MPLX 10-K”). The biographical information and business experience of Mr. Floerke is also included in the 2019 MPLX 10-K, and those descriptions are incorporated herein by reference.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	MPLX LP
	By:	MPLX GP LLC, its General Partner
Date: August 21, 2020	By:	/s/ Molly R. Benson
		Name: Molly R. Benson
		Title: Vice President, Chief Securities, Governance & Compliance Officer and Corporate Secretary