MPLX LP current report, 02 January 2018

Business Context and Reporting Period

This Form 8-K is a current report filed by MPLX LP on January 2, 2018, with the latest event reported on January 8, 2018. The filing primarily addresses corporate governance amendments and regulatory disclosures rather than periodic financial results.

Key Financial Metrics

The filing text does not provide specific values for revenue, profit, cash flow, margins, debt, or liquidity. This report focuses on legal and procedural updates rather than financial performance data.

Material Changes

  • Partnership Agreement Amendment: On January 2, 2018, MPLX GP LLC entered into a Second Amendment to the Partnership Agreement. This change responds to the Bipartisan Budget Act of 2015 (BBA) regarding partnership audit and adjustment procedures.
  • Role of General Partner: The amendment facilitates the General Partner's obligations as the "Partnership Representative" under the BBA.
  • Economic Balance: The amendment aims to allow the General Partner to maintain the current economic balance where partners bear the economic burden of adjustments for a reviewed year, if practical.

Guidance, Outlook, and Disclosures

  • Investor Presentation Update: On January 8, 2018, the company updated its investor presentation on its website. The slides are included as Exhibit 99.1.
  • Regulatory Status: The information in the investor presentation is furnished under Regulation FD and is not deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, nor is it incorporated by reference into other filings unless expressly stated.
  • Risks and Contingencies: The filing references the BBA as the driver for the partnership agreement changes but does not detail specific financial risks or contingencies beyond the procedural adjustments required by the tax code.

Investor Verification Checklist

  • Review Exhibit 3.1 (Second Amendment to the Partnership Agreement) to understand the specific legal language regarding the "Partnership Representative" role.
  • Examine Exhibit 99.1 (Investor Presentation) for updated operational metrics or strategic outlook, noting that this document is not formally "filed" with the SEC.
  • Verify how the BBA audit procedures may impact future tax distributions or partner liabilities as described in the amended agreement.