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 ...

Forward‐Looking Statements 2022: Strong Financial Performance $ Billion Growth Capital Maintenance Capital L&S W2W Pipeline Lateral Expansion (15% owner) Whistler Pipeline Capacity Expansion (0.5 Bcf/d, 38% owner) Whistler - ADCC Pipeline (1.7 Bcf/d, 26% indirect owner) Matterhorn Express Pipeline (2.5 Bcf/d, 5% owner) Logistics & Storage Segment 1 Fourth Quarter 2022 Earnings Conference Call January 31, 2023 This presentation contains forward-looking statements regarding MPLX LP (MPLX). These forward-looki ...

Table of Contents (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 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 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________________________________ FORM 10-Q ____________________________________________ ( ...

MPLX LP (NYSE:MPLX) Q3 2022 Earnings Conference Call November 1, 2022 9:30 AM ET Company Participants Kristina Kazarian - Vice President-Investor Relations Mike Hennigan - Chairman & Chief Executive Officer John Quaid - Chief Financial Officer Shawn Lyon - Senior Vice President, Logistics & Storage Dave Heppner - Senior Vice President, Strategy & Business Development Greg Floerke - Executive Vice President & Chief Operating Officer Conference Call Participants Brian Reynolds - UBS John Mackay - Goldman Sach ...

MPLX LP (NYSE:MPLX) Q2 2022 Earnings Conference Call August 2, 2022 9:30 AM ET Company Participants Kristina Kazarian ??? Vice President-Investor Relations Mike Hennigan ??? Chief Executive Officer John Quaid ??? Chief Financial Officer Greg Floerke ??? Executive Vice President and Chief Operating Officer Tim Aydt ??? Executive Vice President and Chief Commercial Officer Conference Call Participants John Mackay ??? Goldman Sachs Michael Blum ??? Wells Fargo Brian Reynolds ??? UBS Steve McGee ??? JPMC Theres ...

Table of Contents 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, 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 ______________ ...

1 Second Quarter 2022 Earnings Conference Call August 2, 2022 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, operating cost reduction objectives, and environme ...

MPLX LP (NYSE:MPLX) Q1 2022 Results Conference Call May 3, 2022 1:00 PM ET Company Participants Kristina Kazarian - Vice President of Investor Relations Mike Hennigan - Chairman, President & Chief Executive Officer John Quaid - Chief Financial Officer Greg Floerke - Executive Vice President & Chief Operating Officer Tim Aydt - Executive Vice President & Chief Commercial Officer Conference Call Participants John McKay - Goldman Sachs Jeremy Tonet - JPMorgan Brian Reynolds - UBS Keith Stanley - Wolfe Research ...

1 First Quarter 2022 Earnings Conference Call May 3, 2022 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, operating cost and capital expenditure reduction objec ...

Table of Contents 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, 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 _____________ ...