What is the main purpose of this 8-K filing?

The main purpose of this 8-K filing is to publicly disseminate the presentation materials that MPLX LP, Marathon Petroleum Corporation, and Andeavor Logistics LP will use during their joint Investor Day event on December 4, 2018.

Where can investors find the information discussed at the Investor Day?

The presentation slides are attached as Exhibit 99.1 to this 8-K filing and will also be available on the MPLX website following the event.

Is the information in this filing considered 'filed' by the SEC?

No, the information in this 8-K filing is being furnished under Item 7.01 (Regulation FD Disclosure) and is not deemed 'filed' for purposes of Section 18 of the Securities Exchange Act of 1934. Therefore, it does not carry the same liabilities as a formally filed document.

What is the significance of MPLX hosting an Investor Day with Marathon Petroleum and Andeavor Logistics?

The joint Investor Day suggests a coordinated effort to communicate strategy and performance updates across related entities, likely highlighting synergies and integrated operations. Investors can expect to hear about the outlook and strategic priorities for MPLX in the context of its relationship with its parent and affiliates.

MPLX/MPLXP 8-K: Regulation FD

Summary

This 8-K filing from MPLX LP announces the company's participation in a joint Investor Day event hosted with Marathon Petroleum Corporation and Andeavor Logistics LP on December 4, 2018. The primary purpose of this filing is to furnish the presentation slides that will be used during this event. These slides, incorporated by reference as Exhibit 99.1, are intended to provide investors with updated information and strategic insights from the management teams of all three entities.

Key Highlights

1MPLX LP, along with Marathon Petroleum Corporation and Andeavor Logistics LP, will host a joint Investor Day on December 4, 2018.
2The filing includes an accompanying presentation (Exhibit 99.1) to be displayed at the Investor Day.
3The presentation materials are expected to offer insights into the companies' strategies and performance.
4This 8-K is filed under Item 7.01 (Regulation FD Disclosure), meaning the information is being furnished, not officially filed.
5The presentation slides will be made available on the MPLX website.
6Information contained on the MPLX website, other than the referenced Exhibit 99.1, is not incorporated into this report.

MPLX LP 8-K Report, Regulation FD Disclosure (Dec 4, 2018)

Summary

Key Highlights

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