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MPLX LP (MPLX)

60.16 +0.27 (+0.45%)
At close: October 30 at 4:00:03 PM EDT
60.45 +0.29 (+0.48%)
After hours: October 30 at 7:36:45 PM EDT
Trade MPLX LP on Coinbase
MPLX Q3 2026 earnings call
November 3, 2026 at 9:30 AM EST

Key Executives

Amounts are as of December 31, 2025 and compensation values are for the last fiscal year ending on that date. Pay is salary, bonuses, etc. Exercised is the value of options exercised during the fiscal year. Currency in USD.
NameTitlePayExercisedYear Born
Ms. Maryann T. Mannen President, CEO & Chairman of the Board of MPLX GP LLC 5.16M -- 1963
Mr. Carl Kristopher Hagedorn Executive VP, CFO & Director of MPLX GP LLC 1.24M -- 1976
Mr. Gregory Scott Floerke Executive VP & COO of MPLX GP LLC 1.54M -- 1963
Ms. Molly R. Benson Chief Legal Officer & Corporate Secretary of MPLX GP LLC 1.72M 1.09M 1967

MPLX LP

200 East Hardin Street
Findlay, OH 45840-3229
United States
419 422 2121 https://www.mplx.com
Sector: 
Energy

Description

MPLX LP owns and operates midstream energy infrastructure and logistics assets primarily in the United States. It operates in two segments, Crude Oil and Products Logistics; and Natural Gas and NGL Services. The company is involved in the gathering, processing, and transportation of natural gas; gathering, transportation, fractionation, storage, and marketing of natural gas liquids; gathering, storage, transportation, and distribution of crude oil and refined products, as well as other hydrocarbon-based products and renewables; and sale of residue gas and condensate. It also engages in inland marine businesses, comprising fleet of boats and barges transport light products, heavy oils, crude oil, renewable fuels, chemicals, and feedstocks in the Mid-Continent and Gulf Coast regions, as well as a marine repair facility located on the Ohio River; and distribution of fuel, as well as operates refining logistics, terminals, rail facilities, and storage caverns. In addition, it operates terminal facilities for the receipt, storage, blending, additization, handling, and redelivery of refined petroleum products through the pipeline, rail, marine, and truck transportation. MPLX GP LLC acts as the general partner of MPLX LP. The company was incorporated in 2012 and is headquartered in Findlay, Ohio. MPLX LP operates as a subsidiary of Marathon Petroleum Corporation.

Corporate Governance

MPLX LP’s ISS Governance QualityScore as of N/A is N/A. The pillar scores are Audit: N/A; Board: N/A; Shareholder Rights: N/A; Compensation: N/A.
Corporate governance scores courtesy of Institutional Shareholder Services (ISS) Scores indicate decile rank relative to index or region. A decile score of 1 indicates lower governance risk, while a 10 indicates higher governance risk.

Upcoming Events

November 3, 2026 at 1:30 PM UTC

MPLX LP Earnings Date

November 6, 2026 at 12:00 AM UTC

Ex-Dividend Date

November 13, 2026 at 12:00 AM UTC

Dividend Date

Recent Events

October 29, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

August 24, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

August 4, 2026 at 12:00 AM UTC

10-Q: Periodic Financial Reports

May 6, 2026 at 12:00 AM UTC

S-3ASR: Offering Registrations

May 5, 2026 at 12:00 AM UTC

10-Q: Periodic Financial Reports

April 13, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

March 18, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

February 26, 2026 at 12:00 AM UTC

10-K: Periodic Financial Reports

February 12, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

February 3, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

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