Investor Relations
Overview
MPLX is a diversified, large-cap master limited partnership formed by Marathon Petroleum Corporation (MPC) that owns and operates midstream energy infrastructure and logistics assets and provides fuels distribution services. We are dedicated to delivering long-term value to our unitholders while operating in a safe, reliable and responsible manner.
Information Box
Stock Performance
MPLX News
MPLX LP Reports First-Quarter 2026 Financial Results
MPLX LP Announces Quarterly Distribution
MPLX LP to Report First-Quarter Results on May 5, 2026
MPLX LP 2025 K-1 tax packages now available on company website
Latest Reports
MPLX continues to demonstrate the strength, stability, and resiliency of our business, achieve significant milestones, and position ourselves to meet the challenges of an evolving energy landscape, while elevating our environmental, social and governance performance.
Presentations
MPLX 1Q 2026 Earnings Presentation
MPLX 4Q 2025 Earnings Release Slides–February 3, 2025
MPLX 3Q 2025 Earnings Release Slides–November 4, 2025
MPLX 2Q 2025 Earnings Release Slides–August 6, 2025
MPLX 1Q 2025 Earnings Release Slides–
May 6, 2025
MPLX 4Q 2024 Earnings Release Slides–
February 4, 2025
MPLX 3Q 2024 Earnings Release Slides–
November 5, 2024
Investor Data
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Contact Us
Investor Relations
Institutional Investors:
(419) 421-2071
[email protected]
Individual Unitholders:
Unitholder Services
MPLX LP
200 East Hardin Street
Findlay, Ohio 45840
(419) 421-2414