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

The main purpose of this 8-K filing is to inform investors and the public that MPLX LP's senior management will be making a presentation at the Marathon Petroleum Corporation and MPLX 2013 Analyst & Investor Day, and to provide access to the presentation materials.

Where can investors find the presentation materials?

The presentation slides were filed as Exhibit 99.1 to this 8-K and were also made available on the MPLX investor relations website (ir.mplx.com) starting with the live webcast.

What is the significance of 'Regulation FD' mentioned in the filing?

Regulation FD (Fair Disclosure) ensures that material non-public information is disclosed to all investors simultaneously. By filing this 8-K and making the presentation public via webcast and website, MPLX is complying with Regulation FD, preventing selective disclosure of important information to a limited audience.

Is this filing considered 'filed' for legal liability purposes under Section 18 of the Exchange Act?

No, the filing explicitly states that the information furnished under Item 7.01 is not deemed to be 'filed' for the purposes of Section 18 of the Securities Exchange Act of 1934, meaning it does not carry the same level of legal liability as traditional filings.

MPLX/MPLXP 8-K: Regulation FD

Summary

MPLX LP filed this Form 8-K on December 4, 2013, to announce that its senior management would be presenting at the Marathon Petroleum Corporation and MPLX 2013 Analyst & Investor Day. The presentation, scheduled for December 4, 2013, in New York, included slides that were attached as an exhibit to this filing. These slides were made available to investors via a live webcast and on the MPLX investor relations website, providing an opportunity for stakeholders to gain insights into the company's operations and strategy directly from management.

Key Highlights

1MPLX LP announced an upcoming Analyst & Investor Day presentation by senior management on December 4, 2013.
2The presentation was held in conjunction with Marathon Petroleum Corporation.
3Key presentation materials (slides) were filed as an exhibit (Exhibit 99.1) to the 8-K.
4The presentation was accessible via a live webcast.
5Presentation slides were also made available on the MPLX investor relations website.
6This filing serves as a notification and makes forward-looking information publicly available under Regulation FD.
7The information furnished is not considered 'filed' for Section 18 liability purposes.

MPLX LP 8-K Report, Regulation FD Disclosure (Dec 4, 2013)

Summary

Key Highlights

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