UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________________________________ FORM 10-Q ____________________________________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-35714 ________________________________ ...

MPLX LP (NYSE:MPLX) Q1 2023 Earnings Conference Call May 2, 2023 9:30 AM ET Company Participants Kristina Kazarian - VP, Finance & IR Michael Hennigan - Chairman, President & CEO John Quaid - EVP, CFO & Director Gregory Floerke - EVP & COO Shawn Lyon - SVP, Logistics & Storage Conference Call Participants Jeremy Tonet - JPMorgan Chase & Co. Brian Reynolds - UBS Keith Stanley - Wolfe Research Theresa Chen - Barclays Bank Neal Dingmann - Truist Securities Michael Blum - Wells Fargo Securities Indraneel Mitra ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________________________________ FORM 10-Q ____________________________________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-35714 _______________________________ ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________________ to __________________ Commission file number 001-35714 MPLX LP (Exact name of registrant as specified in its charter) Delaware 27-0005456 (Stat ...

Start Time: 09:30 January 1, 0000 10:18 AM ET MPLX LP (NYSE:MPLX) Q4 2022 Earnings Conference Call January 31, 2023, 09:30 AM ET Company Participants Mike Hennigan - Chairman, President and CEO John Quaid - EVP and CFO Greg Floerke - EVP and COO Shawn Lyon - SVP, Logistics and Storage Dave Heppner - SVP, Strategy and Business Development Kristina Kazarian - VP, Finance and IR Conference Call Participants Brian Reynolds - UBS John Mackay - Goldman Sachs Keith Stanley - Wolfe Research Theresa Chen - Barclays ...

1 Fourth Quarter 2022 Earnings Conference Call January 31, 2023 Forward‐Looking Statements This presentation contains forward-looking statements regarding MPLX LP (MPLX). These forward-looking statements may relate to, among other things, MPLX's expectations, estimates and projections concerning its business and operations, financial priorities, including with respect to positive free cash flow and distribution coverage, strategic plans, capital return plans, capital expenditure plans, operating cost reduct ...