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Profit softens but MPLX (NYSE: MPLX) lifts Q1 2026 cash distribution

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(High)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

MPLX LP reported softer first-quarter 2026 results while continuing heavy investment in growth projects. Net income attributable to MPLX was $912 million, down from $1,126 million a year earlier, mainly due to derivatives impacts, higher interest expense, a prior-year non-recurring benefit, and depreciation. Adjusted EBITDA was $1.729 billion versus $1.757 billion, showing relatively stable operating performance.

Distributable cash flow was $1.408 billion, supporting a higher distribution of $1.0765 per common unit and distribution coverage of 1.3x. The leverage ratio stood at 3.7x. MPLX generated $1.347 billion of net cash from operations and spent heavily on growth, with $791 million of growth capital in the quarter.

The Crude Oil and Products Logistics segment modestly increased adjusted EBITDA to $1.111 billion, while Natural Gas and NGL Services declined to $618 million after a non-recurring 2025 benefit and lower NGL prices. MPLX is advancing a $2.4 billion organic growth plan focused on Permian and Marcellus infrastructure, including the Harmon Creek III gas plant, Titan sour gas treating expansion, and multiple large pipeline and fractionation projects expected in service between late 2026 and 2029.

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Insights

MPLX shows resilient cash flow and higher payouts despite lower GAAP earnings.

MPLX LP delivered Q1 2026 net income of $912 million, down from $1,126 million, with management tying the decline to derivatives, higher interest costs, a prior-year one-time benefit, and depreciation. Operating performance was steadier, with adjusted EBITDA at $1.729 billion versus $1.757 billion.

The partnership generated $1.347 billion in operating cash and $1.408 billion in distributable cash flow, funding a higher quarterly distribution of $1.0765 per unit at 1.3x coverage. The leverage ratio of 3.7% of LTM adjusted EBITDA is within stated comfort around 4.0x, and MPLX held $1.5 billion of cash plus expanded its revolver to $2.5 billion.

Strategically, MPLX is leaning into growth, directing 90% of a $2.4 billion organic capital plan to natural gas and NGL infrastructure in the Permian and Marcellus. Projects like Harmon Creek III (300 MMcf/d processing), Titan complex sour gas treating expansion, and several multi-Bcf/d pipelines are expected online from 3Q26 through 2029. These are expected by management to support mid-single-digit growth and 12.5% annual distribution increases for two more years, though actual outcomes will depend on execution, commodity fundamentals, and producer activity.

Item 2.02 Results of Operations and Financial Condition Financial
Disclosure of earnings results, typically an earnings press release or preliminary financials.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
Net income attributable to MPLX $912 million Three months ended March 31, 2026; vs. $1,126 million in 2025
Adjusted EBITDA $1,729 million Three months ended March 31, 2026; vs. $1,757 million in 2025
Net cash from operating activities $1,347 million Three months ended March 31, 2026; vs. $1,246 million in 2025
Distributable cash flow $1,408 million Three months ended March 31, 2026; vs. $1,486 million in 2025
Distribution per common unit $1.0765 Q1 2026 distribution; vs. $0.9565 in Q1 2025
Distribution coverage 1.3x Three months ended March 31, 2026; vs. 1.5x in 2025
Leverage ratio 3.7x Consolidated debt to LTM adjusted EBITDA as of March 31, 2026
Growth capital expenditures $791 million Three months ended March 31, 2026; total growth capex excluding maintenance
Adjusted EBITDA financial
"Adjusted EBITDA attributable to MPLX was $1,729 million, compared with $1,757 million for the first quarter of 2025."
Adjusted EBITDA is a way companies measure how much money they make from their core operations, like running a business, by removing certain costs or income that aren’t part of regular business activities. It helps investors see how well a company is doing without distractions from unusual expenses or gains, making it easier to compare companies or track performance over time.
distributable cash flow financial
"MPLX generated $1,347 million in net cash provided by operating activities, $1,408 million of distributable cash flow, and adjusted free cash flow of $549 million."
Distributable cash flow is the amount of money a business generates from its operations that management considers available to pay dividends, buy back shares, or make other distributions to owners after setting aside what’s needed to keep the business running and meet routine obligations. Investors care because it shows how much real cash can be returned to them—like a household’s leftover paycheck after paying rent and groceries—and helps judge whether payouts are sustainable and backed by operations rather than accounting entries.
distribution coverage financial
"MPLX announced a first-quarter 2026 distribution of $1.0765 per common unit, resulting in distribution coverage of 1.3x for the quarter."
leverage ratio financial
"The leverage ratio was 3.7x at the end of the quarter."
Leverage ratio measures how much a company relies on borrowed money compared with its own funds or assets, typically expressed as debt relative to equity or total assets. Like a homeowner with a mortgage, higher leverage can amplify returns when business is strong but also raises the chance of big losses or default if revenue falls, so investors use it to judge financial risk and resilience.
non-GAAP measures financial
"management utilizes additional non-GAAP measures to analyze our performance."
Financial results that companies present using formulas or adjustments different from standard accounting rules (GAAP) to highlight what management considers the business’s ongoing performance. Investors care because these figures can make trends or profitability look clearer—like showing a car’s fuel efficiency after removing unusual trips—but they can also hide one‑time costs or aggressive assumptions, so comparing them with GAAP numbers helps judge reliability.
master limited partnership financial
"MPLX is a diversified, large-cap master limited partnership that owns and operates midstream energy infrastructure"
A master limited partnership is a type of business structure that combines features of a corporation and a partnership, allowing it to raise money from investors while passing profits directly to them. Think of it as a shared ownership group that offers regular income, making it attractive to investors seeking steady cash flow. This structure is often used by companies involved in natural resources or energy, where consistent revenue is common.
Total revenues and other income $3,038 million
Net income attributable to MPLX LP $912 million
Adjusted EBITDA attributable to MPLX LP $1,729 million
Distributable cash flow $1,408 million
Net cash from operating activities $1,347 million
Distribution per common unit $1.0765
0001552000false00015520002026-05-052026-05-05

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
_____________________________________________
FORM 8-K
_____________________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported) May 5, 2026
 _____________________________________________
MPLX LP
(Exact name of registrant as specified in its charter)
_____________________________________________
Delaware 001-35714 27-0005456
(State or other jurisdiction
of incorporation)
 (Commission File Number) (IRS Employer
Identification No.)

200 E. Hardin Street, Findlay, Ohio 45840
(Address of principal executive offices) (Zip code)

Registrant’s telephone number, including area code: (419422-2121
_____________________________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: 
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading
symbol(s)
Name of each exchange on which registered
Common Units Representing Limited Partnership InterestsMPLXNew York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.




Item 2.02Results of Operations and Financial Condition
On May 5, 2026, MPLX LP issued a press release announcing its financial results for the quarter ended March 31, 2026. The press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.
Information in this Item 2.02 and Exhibit 99.1 of Item 9.01 below shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise incorporated by reference into any filing pursuant to the Securities Act of 1933, as amended, or the Exchange Act except as otherwise expressly stated in such a filing.

Item 9.01Financial Statements and Exhibits
(d) Exhibits.

 
Exhibit Number
 Description
99.1
 Press Release issued by MPLX LP on May 5, 2026
104Cover Page Interactive Data File (embedded within the Inline XBRL document)




SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 
MPLX LP
By:MPLX GP LLC, its General Partner
Date: May 5, 2026By:/s/ C. Kristopher Hagedorn
Name: C. Kristopher Hagedorn
Title: Executive Vice President and Chief Financial Officer


Exhibit 99.1
mplxearningslogoa06a.jpg
MPLX LP Reports First-Quarter 2026 Financial Results
Delivering mid-single digit growth strategy through expansions of Permian sour gas treating capacity, natural gas and NGL pipelines, and progressing Harmon Creek III processing plant in the Marcellus
First-quarter net income attributable to MPLX of $912 million and net cash provided by operating activities of $1.3 billion
Adjusted EBITDA attributable to MPLX of $1.7 billion, reflecting execution of strategic priorities
Distributable cash flow of $1.4 billion, enabling the return of $1.1 billion of capital
FINDLAY, Ohio, May 5, 2026 - MPLX LP (NYSE: MPLX) today reported first-quarter 2026 net income attributable to MPLX of $912 million, compared with $1,126 million for the first quarter of 2025. The decrease primarily reflects the impacts of derivatives, interest expense, a first-quarter 2025 non-recurring benefit, and depreciation.
Adjusted earnings before interest, taxes, depreciation, and amortization (EBITDA) attributable to MPLX was $1,729 million, compared with $1,757 million for the first quarter of 2025. Crude Oil and Products Logistics segment adjusted EBITDA for the first quarter of 2026 was $1,111 million, compared with $1,097 million for the first quarter of 2025. Natural Gas and NGL Services segment adjusted EBITDA for the first quarter of 2026 was $618 million, compared with $660 million for the first quarter of 2025.
During the quarter, MPLX generated $1,347 million in net cash provided by operating activities, $1,408 million of distributable cash flow, and adjusted free cash flow of $549 million. MPLX announced a first-quarter 2026 distribution of $1.0765 per common unit, resulting in distribution coverage of 1.3x for the quarter. The leverage ratio was 3.7x at the end of the quarter.
"We are executing our growth projects anchored in the Permian and Marcellus basins, as we expand the Delaware Basin Sour Gas treating plant to over 400 million cubic feet per day of treating capacity by year end and bring Harmon Creek III into service in the third quarter," said Maryann Mannen, MPLX chairman, president and chief executive officer. "Cash flow from this growth will allow us to reinvest in the business, return capital to unitholders, and is expected to support 12.5% annual distribution growth for two more years."
Financial Highlights (unaudited)
 Three Months Ended 
March 31,
(In millions, except per unit and ratio data)20262025
Net income attributable to MPLX LP$912 $1,126 
Adjusted EBITDA attributable to MPLX LP(a)
1,729 1,757 
Net cash provided by operating activities1,347 1,246 
Distributable cash flow attributable to MPLX LP(a)
1,408 1,486 
Distribution per common unit(b)
$1.0765 $0.9565 
Distribution coverage(c)
1.3x1.5x
Consolidated total debt to LTM adjusted EBITDA(a)(d)
3.7x3.3x
Cash paid for common unit repurchases$50 $100 
(a)    Non-GAAP measures. See reconciliation in the tables that follow.
(b)    Distributions declared by the board of directors of MPLX's general partner.
(c)    Beginning with the three months ended March 31, 2025, distribution coverage is defined as DCF attributable to MPLX LP divided by total LP distributions, as a result of the conversion of the remaining Series A preferred units to common units in February 2025.
(d)    Calculated using face value total debt and LTM adjusted EBITDA. Also referred to as leverage ratio. See reconciliation in the tables that follow.

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Segment Results

Crude Oil and Products Logistics

Crude Oil and Products Logistics segment adjusted EBITDA for the first quarter of 2026 increased by $14 million compared to the same period in 2025. The increase was primarily driven by higher rates across the business units, partially offset by lower crude pipeline throughputs.

Operating Statistics (unaudited)Three Months Ended 
March 31,
20262025% Change
Total MPLX
Pipeline throughput (mbpd)5,702 5,928 (4)%
Average pipeline tariff rates ($ per barrel)
$1.05 $1.06 (1)%
Terminal throughput (mbpd)
2,976 3,095 (4)%
Segment adjusted EBITDA (in millions)$1,111 $1,097 1 %

Natural Gas and NGL Services

Natural Gas and NGL Services segment adjusted EBITDA for the first quarter of 2026 decreased by $42 million compared to the same period in 2025. The decrease was driven by a $37 million non-recurring benefit associated with a customer agreement in the first quarter of 2025, lower natural gas liquids prices, and higher operating expenses, which more than offset growth from equity affiliates and increased volumes.

Operating Statistics (unaudited)Three Months Ended 
March 31,
20262025% Change
Total MPLX
Gathering throughput (MMcf/d)6,488 6,516 — %
Natural gas processed (MMcf/d)9,406 9,781 (4)%
C2 + NGLs fractionated (mbpd)634 660 (4)%
Segment adjusted EBITDA (in millions)$618 $660 (6)%

Strategic Update

MPLX is investing 90% of its $2.4 billion organic growth capital plan toward opportunities to meet growing natural gas and NGL infrastructure needs. With projects concentrated in the Permian and Marcellus, two of the most prolific and competitive basins in North America, investments in these value chains reflect the partnership's confidence in the long-term fundamentals of the energy market, offer some of the most compelling investments in the midstream sector, and are expected to generate mid-teens returns.

Investment
Details
MPLX Ownership
Expected In-Service
Harmon Creek III300 million cubic feet per day
(MMcf/d) gas processing plant and 40 thousand barrel per day (mbpd) de-ethanizer
100%3Q26

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Bay Runner and Rio Bravo PipelinesUp to 5.3 billion cubic feet per day (Bcf/d) of natural gas transport capacity between Agua Dulce, Texas, and Brownsville, Texas30%Bay Runner: 3Q26
Rio Bravo: 2029
Titan ComplexIncreasing sour gas treating capacity from 150 MMcf/d to over 400 MMcf/d100%4Q26
BANGL PipelineExpansion from 250 mbpd to 300 mbpd100%4Q26
Blackcomb Pipeline2.5 Bcf/d pipeline connecting Permian supply to Agua Dulce, Texas34%4Q26
Traverse Pipeline2.5 Bcf/d pipeline designed to transport natural gas between Agua Dulce, Texas and Katy, Texas34%2H27
Gulf Coast FractionatorsTwo 150 mbpd fractionation facilities near MPC’s Galveston Bay refinery100%Frac I: 2028
Frac II: 2029
Gulf Coast LPG Export Terminal JV400 mbpd LPG export terminal50%2028
Marcellus Gathering System ExpansionSupports producer activity near MPLX’s Majorsville gas processing complex100%1H28
Eiger Express Pipeline3.7 Bcf/d pipeline connecting Permian supply to Katy, Texas22%Mid-2028
Secretariat II300 MMcf/d gas processing plant in the Delaware Basin100%2H28

Financial Position and Liquidity

As of March 31, 2026, MPLX had $1.5 billion in cash, $2.0 billion available on its bank revolving credit facility, and $1.5 billion available through its intercompany loan agreement with MPC. MPLX's leverage ratio was 3.7x, while the stability of cash flows supports leverage in the range of 4.0x.

Effective April 7, 2026, MPLX replaced its previous revolving credit facility with a new five-year, $2.5 billion facility, an increase of $500 million, extending the term to April 2031.

The partnership repurchased $50 million of common units held by the public in the first quarter of 2026. As of March 31, 2026, MPLX had approximately $1.1 billion remaining available under its unit repurchase authorizations.

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Conference Call

At 9:30 a.m. ET today, MPLX will hold a conference call and webcast to discuss the reported results and provide an update on operations. Interested parties may listen by visiting MPLX's website at www.mplx.com. A replay of the webcast will be available on MPLX's website for two weeks. Financial information, including this earnings release and other investor-related materials, will also be available online prior to the conference call and webcast at www.mplx.com.

About MPLX LP

MPLX is a diversified, large-cap master limited partnership that owns and operates midstream energy infrastructure and logistics assets and provides fuels distribution services. MPLX's assets include a network of crude oil and refined product pipelines; an inland marine business; light-product terminals; storage caverns; refinery tanks, docks, loading racks, and associated piping; and crude and light-product marine terminals. The company also owns crude oil and natural gas gathering systems and pipelines as well as natural gas and NGL processing and fractionation facilities in key U.S. supply basins. More information is available at www.mplx.com.

Investor Relations Contact: (419) 421-2071
Kristina Kazarian, Vice President Finance and Investor Relations
Brian Worthington, Senior Director, Investor Relations
Isaac Feeney, Director, Investor Relations
Evan Heminger, Analyst, Investor Relations

Media Contact: (419) 421-3577
Jamal Kheiry, Communications Manager

Non-GAAP references

In addition to our financial information presented in accordance with U.S. generally accepted accounting principles (GAAP), management utilizes additional non-GAAP measures to analyze our performance. This press release and supporting schedules include the non-GAAP measures adjusted EBITDA; consolidated debt to last twelve months adjusted EBITDA, which we refer to as our leverage ratio; distributable cash flow (DCF); adjusted free cash flow (Adjusted FCF); and Adjusted FCF after distributions.

Adjusted EBITDA is a financial performance measure used by management, industry analysts, investors, lenders, and rating agencies to assess the financial performance and operating results of our ongoing business operations. Additionally, we believe adjusted EBITDA provides useful information to investors for trending, analyzing and benchmarking our operating results from period to period as compared to other companies that may have different financing and capital structures. We define Adjusted EBITDA as net income adjusted for: (i) provision for income taxes; (ii) net interest and other financial costs; (iii) depreciation and amortization; (iv) income/(loss) from equity method investments; (v) distributions and adjustments related to equity method investments; (vi) impairment expense; (vii) noncontrolling interests; (viii) transaction-related costs; and (ix) other adjustments, as applicable.

DCF is a financial performance and liquidity measure used by management and by the board of directors of our general partner as a key component in the determination of cash distributions paid to unitholders. We believe DCF is an important financial measure for unitholders as an indicator of cash return on investment and to evaluate whether the partnership is generating sufficient cash flow to support quarterly distributions. In addition, DCF is commonly used by the investment community because the market value of publicly traded partnerships is based, in part, on DCF and cash distributions paid to unitholders. We define DCF as Adjusted EBITDA adjusted for: (i) deferred revenue impacts; (ii) sales-type lease payments, net of income; (iii) adjusted net interest and other financial costs; (iv) net maintenance capital expenditures; (v) equity method investment capital expenditures paid out; and (vi) other adjustments as deemed necessary.


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Adjusted FCF and Adjusted FCF after distributions are financial liquidity measures used by management in the allocation of capital and to assess financial performance. We believe that unitholders may use this metric to analyze our ability to manage leverage and return capital. We define Adjusted FCF as net cash provided by operating activities adjusted for: (i) net cash used in investing activities; (ii) cash contributions from MPC; and (iii) cash distributions to noncontrolling interests. We define Adjusted FCF after distributions as Adjusted FCF less base distributions to common and preferred unitholders. We believe that the presentation of Adjusted EBITDA, DCF, Adjusted FCF and Adjusted FCF after distributions provides useful information to investors in assessing our financial condition and results of operations.

Leverage ratio is a liquidity measure used by management, industry analysts, investors, lenders and rating agencies to analyze our ability to incur and service debt and fund capital expenditures.

The GAAP measures most directly comparable to Adjusted EBITDA and DCF are net income and net cash provided by operating activities while the GAAP measure most directly comparable to Adjusted FCF and Adjusted FCF after distributions is net cash provided by operating activities. These non-GAAP financial measures should not be considered alternatives to GAAP net income or net cash provided by operating activities as they have important limitations as analytical tools because they exclude some but not all items that affect net income and net cash provided by operating activities or any other measure of financial performance or liquidity presented in accordance with GAAP. These non-GAAP financial measures should not be considered in isolation or as substitutes for analysis of our results as reported under GAAP. Additionally, because non-GAAP financial measures may be defined differently by other companies in our industry, our definitions may not be comparable to similarly titled measures of other companies, thereby diminishing their utility.

For a reconciliation of Adjusted EBITDA, DCF, Adjusted FCF, Adjusted FCF after distributions and our leverage ratio to their most directly comparable measures calculated and presented in accordance with GAAP, see the tables below.

Forward-Looking Statements

This press release 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 reduction objectives, and environmental, social and governance ("ESG") plans and goals, including those related to greenhouse gas emissions, biodiversity, and inclusion and ESG reporting. Forward-looking and other statements regarding our ESG plans and goals are not an indication that these statements are material to investors or required to be disclosed in our filings with the Securities Exchange Commission (SEC). In addition, historical, current, and forward-looking ESG-related statements may be based on standards for measuring progress that are still developing, internal controls and processes that continue to evolve, and assumptions that are subject to change in the future. You can identify forward-looking statements by words such as “advance,” “anticipate,” “believe,” “commitment,” “confidence," “continue,” “could,” “design,” “drive,” “endeavor,” “estimate,” “expect,” “focus,” “forecast,” “goal,” “guidance,” “intend,” “may,” “objective,” “opportunity,” “outlook,” “plan,” “policy,” “position,” “potential,” “predict,” “priority,” “progress,” “project,” “prospective,” “pursue,” “seek,” “should,” “strategy,” “strive,” “support,” “target,” “trends,” “will,” “would” or other similar expressions that convey the uncertainty of future events or outcomes. MPLX cautions that these statements are based on management’s current knowledge and expectations and are subject to certain risks and uncertainties, many of which are outside of the control of MPLX, that could cause actual results and events to differ materially from the statements made herein. Factors that could cause MPLX’s actual results to differ materially from those implied in the forward-looking statements include but are not limited to: political or regulatory developments, changes in governmental policies relating to refined petroleum products, crude oil, natural gas, natural gas liquids (“NGLs”) or renewable diesel and other renewable fuels, or taxation including changes in tax regulations or guidance promulgated pursuant to the new legislation implemented in the One Big Beautiful Bill Act; volatility in and degradation of general economic, market, industry or business conditions, including as a result of pandemics, other infectious disease outbreaks, natural hazards, extreme weather events, regional conflicts such as hostilities in the Middle East and in Ukraine, tariffs, inflation, rising interest rates or government shutdowns; the adequacy of capital resources and liquidity, including the availability of sufficient free cash flow from operations to pay or grow

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distributions and to fund future unit repurchases; the ability to access debt markets on commercially reasonable terms or at all; the timing and extent of changes in commodity prices and demand for crude oil, refined products; increased pricing volatility or supply disruptions due to the U.S.-Iran conflict and market reactions thereto, feedstocks or other hydrocarbon-based products or renewable diesel and other renewable fuels; changes to the expected construction costs and in service dates of planned and ongoing projects and investments, including pipeline projects and new processing units, and the ability to obtain regulatory and other approvals with respect thereto; the timing and ability to obtain necessary regulatory approvals and satisfy the other conditions necessary to consummate planned transactions within the expected timeframes if at all; the ability to realize expected returns or other benefits on anticipated or ongoing projects or planned transactions, including the recently completed acquisitions of Northwind Delaware Holdings LLC and BANGL, LLC; the inability or failure of our joint venture partners to fund their share of operations and development activities; the financing and distribution decisions of joint ventures we do not control; the availability of desirable strategic alternatives to optimize portfolio assets and the ability to obtain regulatory and other approvals with respect thereto; our ability to successfully implement our sustainable energy strategy and principles and to achieve our ESG plans and goals within the expected timeframes if at all; changes in government incentives for emission-reduction products and technologies; the outcome of research and development efforts to create future technologies necessary to achieve our ESG plans and goals; our ability to scale projects and technologies on a commercially competitive basis; changes in regional and global economic growth rates and consumer preferences, including consumer support for emission-reduction products and technology; industrial incidents or other unscheduled shutdowns affecting our machinery, pipelines, processing, fractionation and treating facilities or equipment, means of transportation, or those of our suppliers or customers; the suspension, reduction or termination of MPC’s obligations under MPLX’s commercial agreements; the imposition of windfall profit taxes, maximum refining margin penalties, minimum inventory requirements or refinery maintenance and turnaround supply plans on companies operating in the energy industry in California or other jurisdictions; the establishment or increase of tariffs on goods, including crude oil and other feedstocks imported into the United States, other trade protection measures or restrictions or retaliatory actions from foreign governments; compliance costs and uncertainty associated with cap and invest programs or similar arrangements or programs in California or other jurisdictions; other risk factors inherent to MPLX’s industry; the impact of adverse market conditions or other similar risks to those identified herein affecting MPC; and the factors set forth under the heading “Risk Factors” and “Disclosures Regarding Forward-Looking Statements” in MPLX’s and MPC's Annual Reports on Form 10-K for the year ended Dec. 31, 2025, and in other filings with the SEC.

Any forward-looking statement speaks only as of the date of the applicable communication and we undertake no obligation to update any forward-looking statement except to the extent required by applicable law.

Copies of MPLX's Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and other SEC filings are available on the SEC’s website, MPLX's website at http://ir.mplx.com or by contacting MPLX's Investor Relations office. Copies of MPC's Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and other SEC filings are available on the SEC’s website, MPC's website at https://www.marathonpetroleum.com/Investors/ or by contacting MPC's Investor Relations office.

6


Condensed Consolidated Results of Operations (unaudited)Three Months Ended 
March 31,
(In millions, except per unit data)20262025
Revenues and other income:
Operating revenue$1,304 $1,420 
Operating revenue - related parties1,502 1,467 
Income from equity method investments182 186 
Other income50 51 
Total revenues and other income3,038 3,124 
Costs and expenses:
Operating expenses (including purchased product costs)918 867 
Operating expenses - related parties398 420 
Depreciation and amortization358 326 
General and administrative expenses114 112 
Other taxes36 33 
Total costs and expenses1,824 1,758 
Income from operations1,214 1,366 
Net interest and other financial costs291 229 
Income before income taxes923 1,137 
Provision for income taxes
Net income922 1,136 
Less: Net income attributable to noncontrolling interests10 10 
Net income attributable to MPLX LP$912 $1,126 
Per Unit Data
Net income attributable to MPLX LP per limited partner unit:
Common – basic$0.90 $1.10 
Common – diluted$0.90 $1.10 
Weighted average limited partner units outstanding:
Common units – basic1,015 1,020 
Common units – diluted1,015 1,020 


7


Select Financial Statistics (unaudited)Three Months Ended 
March 31,
(In millions, except ratio data)20262025
Common unit distributions declared by MPLX LP
Common units (LP) – public$395 $357 
Common units – MPC697 619 
Total LP distribution declared1,092 976 
Other Financial Data
Adjusted EBITDA attributable to MPLX LP(a)
1,729 1,757 
DCF attributable to MPLX LP(a)
$1,408 $1,486 
Distribution coverage(b)
1.3x1.5x
Cash Flow Data
Net cash flow provided by (used in):
Operating activities$1,347 $1,246 
Investing activities(791)(601)
Financing activities$(1,187)$370 
(a)    Non-GAAP measure. See reconciliation below.
(b)    Beginning with the three months ended March 31, 2025, distribution coverage is defined as DCF attributable to MPLX LP divided by total LP distributions, as a result of the conversion of the remaining Series A preferred units to common units in February 2025.

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Financial Data (unaudited)
(In millions, except ratio data)March 31, 2026December 31, 2025
Cash and cash equivalents$1,506 $2,137 
Total assets42,933 43,005 
Total debt(a)
25,634 25,653 
Total equity$14,297 $14,528 
Consolidated debt to LTM adjusted EBITDA(b)
3.7x3.7x
Partnership units outstanding:
MPC-held common units647 647 
Public common units368 368 
(a)    There were no borrowings on the loan agreement with MPC as of March 31, 2026 or December 31, 2025. Presented net of unamortized debt issuance costs, unamortized discount/premium and includes long-term debt due within one year.
(b)    Calculated using face value total debt and LTM adjusted EBITDA. Face value total debt was $26,006 million as of March 31, 2026, and $26,006 million as of December 31, 2025.

Operating Statistics (unaudited)Three Months Ended 
March 31,
20262025% Change
Crude Oil and Products Logistics
Pipeline throughput (mbpd)
Crude oil pipelines3,683 3,908 (6)%
Product pipelines2,019 2,020 %
Total pipelines5,702 5,928 (4)%
Average tariff rates ($ per barrel)
Crude oil pipelines$1.03 $1.03 — %
Product pipelines1.09 1.11 (2)%
Total pipelines$1.05 $1.06 (1)%
Terminal throughput (mbpd)2,976 3,095 (4)%
Barges in operation320 319 — %
Towboats in operation30 29 %


9


Natural Gas and NGL Services Operating Statistics (unaudited) - Consolidated(a)
Three Months Ended 
March 31,
20262025% Change
Gathering throughput (MMcf/d)
Marcellus Operations1,577 1,500 %
Utica Operations— 268 (100)%
Southwest Operations1,989 1,785 11 %
Bakken Operations146 175 (17)%
Rockies Operations— 548 (100)%
Total gathering throughput3,712 4,276 (13)%
Natural gas processed (MMcf/d)
Marcellus Operations4,452 4,325 %
Utica Operations(b)
— — — %
Southwest Operations1,973 1,879 %
Southern Appalachia Operations190 188 %
Bakken Operations145 174 (17)%
Rockies Operations— 600 (100)%
Total natural gas processed6,760 7,166 (6)%
C2 + NGLs fractionated (mbpd)
Marcellus Operations549 566 (3)%
Utica Operations(b)
— — — %
Other21 30 (30)%
Total C2 + NGLs fractionated570 596 (4)%
(a)    Includes operating data for entities that have been consolidated into the MPLX financial statements.
(b)    The Utica region processing and fractionation operations only include partnership-operated equity method investments and thus do not have any operating statistics from a consolidated perspective. See table below for details on Utica.
Excluding Divested Assets(a), Natural Gas and NGL Services Operating Statistics (unaudited) - Consolidated(b)
Three Months Ended 
March 31,
20262025% Change
Total gathering throughput (MMcf/d)3,712 3,460 %
Total natural gas processed (MMcf/d)6,760 6,566 %
Total C2 + NGLs fractionated (mbpd)570 591 (4)%
(a)    Excludes volumes associated with divested Rockies gathering and processing operations and assets contributed to Markwest EMG Jefferson Dry Gas Gathering Company, L.L.C.
(b)     Includes operating data for entities that have been consolidated into the MPLX financial statements.


10


Natural Gas and NGL Services Operating Statistics (unaudited) - Operated(a)
Three Months Ended 
March 31,
20262025% Change
Gathering throughput (MMcf/d)
Marcellus Operations1,577 1,500 %
Utica Operations2,776 2,438 14 %
Southwest Operations1,989 1,785 11 %
Bakken Operations146 175 (17)%
Rockies Operations— 618 (100)%
Total gathering throughput6,488 6,516 — %
Natural gas processed (MMcf/d)
Marcellus Operations6,160 5,975 %
Utica Operations938 965 (3)%
Southwest Operations1,973 1,879 %
Southern Appalachia Operations190 188 %
Bakken Operations145 174 (17)%
Rockies Operations— 600 (100)%
Total natural gas processed9,406 9,781 (4)%
C2 + NGLs fractionated (mbpd)
Marcellus Operations549 566 (3)%
Utica Operations64 64 — %
Other21 30 (30)%
Total C2 + NGLs fractionated634 660 (4)%
(a)    Includes operating data for entities that have been consolidated into the MPLX financial statements as well as operating data for partnership-operated equity method investments.


Excluding Divested Assets(a), Natural Gas and NGL Services Operating Statistics (unaudited) - Operated(b)
Three Months Ended 
March 31,
20262025% Change
Total gathering throughput (MMcf/d)6,488 5,898 10 %
Total natural gas processed (MMcf/d)9,406 9,181 %
Total C2 + NGLs fractionated (mbpd)634 655 (3)%
(a)    Excludes volumes associated with divested Rockies gathering and processing operations and assets contributed to Markwest EMG Jefferson Dry Gas Gathering Company, L.L.C.
(b)     Includes operating data for entities that have been consolidated into the MPLX financial statements as well as operating data for partnership-operated equity method investments.

11


Reconciliation of Segment Adjusted EBITDA to Net Income (unaudited)Three Months Ended 
March 31,
(In millions)20262025
Crude Oil and Products Logistics segment adjusted EBITDA attributable to MPLX LP
$1,111 $1,097 
Natural Gas and NGL Services segment adjusted EBITDA attributable to MPLX LP
618 660 
Adjusted EBITDA attributable to MPLX LP1,729 1,757 
Depreciation and amortization(358)(326)
Net interest and other financial costs(291)(229)
Income from equity method investments182 186 
Distributions/adjustments related to equity method investments(251)(227)
Adjusted EBITDA attributable to noncontrolling interests11 11 
Other(a)
(100)(36)
Net income$922 $1,136 
(a)    Includes unrealized derivative gain/(loss), equity-based compensation, provision for income taxes and other miscellaneous items.
Reconciliation of Segment Adjusted EBITDA to Income from Operations (unaudited)Three Months Ended 
March 31,
(In millions)20262025
Crude Oil and Products Logistics
Segment adjusted EBITDA
$1,111 $1,097 
Depreciation and amortization(143)(133)
Income from equity method investments62 56 
Distributions/adjustments related to equity method investments(72)(72)
Other(21)(17)
Natural Gas and NGL Services
Segment adjusted EBITDA618 660 
Depreciation and amortization(215)(193)
Income from equity method investments120 130 
Distributions/adjustments related to equity method investments(179)(155)
Adjusted EBITDA attributable to noncontrolling interests11 11 
Other(78)(18)
Income from operations$1,214 $1,366 


12


Reconciliation of Adjusted EBITDA Attributable to MPLX LP and DCF Attributable to MPLX LP from Net Income (unaudited)Three Months Ended 
March 31,
(In millions)20262025
Net income$922 $1,136 
Provision for income taxes
Net interest and other financial costs291 229 
Income from operations1,214 1,366 
Depreciation and amortization358 326 
Income from equity method investments(182)(186)
Distributions/adjustments related to equity method investments251 227 
Other99 35 
Adjusted EBITDA1,740 1,768 
Adjusted EBITDA attributable to noncontrolling interests(11)(11)
Adjusted EBITDA attributable to MPLX LP1,729 1,757 
Deferred revenue impacts(1)(18)
Sales-type lease payments, net of income13 13 
Adjusted net interest and other financial costs(a)
(284)(219)
Maintenance capital expenditures, net of reimbursements(53)(35)
Equity method investment maintenance capital expenditures paid out(4)(5)
Other(7)
DCF attributable to MPLX LP$1,408 $1,486 
(a)    Represents Net interest and other financial costs, excluding gain/loss on extinguishment of debt and amortization of deferred financing costs.


Reconciliation of Net Income to Last Twelve Month (LTM) adjusted EBITDA (unaudited)Last Twelve Months
March 31,December 31,
(In millions)202620252025
LTM Net income$4,738 $4,478 $4,952 
Provision for income taxes10 
Net interest and other financial costs1,045 915 983 
LTM income from operations5,791 5,403 5,943 
Depreciation and amortization1,383 1,292 1,351 
Income from equity method investments(693)(831)(697)
Distributions/adjustments related to equity method investments986 955 962 
Gain on equity method investments(484)— (484)
Gain on sale of assets(159)— (159)
Transaction-related costs(a)
33 — 33 
Other176 111 112 
LTM Adjusted EBITDA7,033 6,930 7,061 
Adjusted EBITDA attributable to noncontrolling interests(44)(44)(44)
LTM Adjusted EBITDA attributable to MPLX LP6,989 6,886 7,017 
Consolidated total debt(b)
$26,006 $22,708 $26,006 
Consolidated total debt to LTM adjusted EBITDA(c)
3.7x3.3x3.7x
(a)    Transaction-related costs include costs associated with the acquisition of Northwind Midstream, acquisition of the remaining interest in BANGL, LLC and the divestiture of the Rockies gathering and processing operations.
(b)    Consolidated total debt excludes unamortized debt issuance costs and unamortized discount/premium. Consolidated total debt includes long-term debt due within one year and outstanding borrowings, if any, under the loan agreement with MPC.
(c)    Also referred to as our leverage ratio.


13


Reconciliation of Adjusted EBITDA Attributable to MPLX LP and DCF Attributable to MPLX LP from Net Cash Provided by Operating Activities (unaudited)Three Months Ended 
March 31,
(In millions)20262025
Net cash provided by operating activities$1,347 $1,246 
Changes in working capital items71 230 
All other, net(11)
Adjusted net interest and other financial costs(a)
284 219 
Other adjustments related to equity method investments14 39 
Other35 32 
Adjusted EBITDA1,740 1,768 
Adjusted EBITDA attributable to noncontrolling interests(11)(11)
Adjusted EBITDA attributable to MPLX LP1,729 1,757 
Deferred revenue impacts(1)(18)
Sales-type lease payments, net of income13 13 
Adjusted net interest and other financial costs(a)
(284)(219)
Maintenance capital expenditures, net of reimbursements(53)(35)
Equity method investment maintenance capital expenditures paid out(4)(5)
Other(7)
DCF attributable to MPLX LP$1,408 $1,486 
(a)    Represents Net interest and other financial costs, excluding gain/loss on extinguishment of debt and amortization of deferred financing costs.

Reconciliation of Net Cash Provided by Operating Activities to Adjusted Free Cash Flow and Adjusted Free Cash Flow after Distributions (unaudited)Three Months Ended 
March 31,
(In millions)20262025
Net cash provided by operating activities(a)
$1,347 $1,246 
Adjustments to reconcile net cash provided by operating activities to adjusted free cash flow
Net cash used in investing activities(791)(601)
Contributions from MPC
Distributions to noncontrolling interests(11)(11)
Adjusted free cash flow549 641 
Distributions paid to common and preferred unitholders(1,093)(978)
Adjusted free cash flow after distributions$(544)$(337)
(a)    The three months ended March 31, 2026 and March 31, 2025 include working capital builds of $71 million and $230 million, respectively.

14


Capital Expenditures (unaudited)Three Months Ended 
March 31,
(In millions)20262025
Capital Expenditures:
Growth capital expenditures$608 $220 
Growth capital reimbursements(35)(27)
Investments in unconsolidated affiliates(a)
237 119 
Capitalized interest(19)(5)
Total growth capital expenditures(b)
791 307 
Maintenance capital expenditures57 48 
Maintenance capital reimbursements(4)(13)
Capitalized interest(1)(1)
Total maintenance capital expenditures52 34 
Total growth and maintenance capital expenditures843 341 
Investments in unconsolidated affiliates(a)
(237)(119)
Growth and maintenance capital reimbursements(c)
39 40 
(Increase)/Decrease in capital accruals(90)(1)
Capitalized interest20 
Additions to property, plant and equipment$575 $267 
(a)    Investments in unconsolidated affiliates and additions to property, plant and equipment are shown as separate lines within investing activities in the Consolidated Statements of Cash Flows.
(b)    Total growth capital expenditures for the three months ended March 31, 2025 excludes acquisitions of $235 million, net of cash acquired.
(c)    Growth capital reimbursements are generally included in changes in deferred revenue within operating activities in the Consolidated Statements of Cash Flows. Maintenance capital reimbursements are included in the Contributions from MPC line within financing activities in the Consolidated Statements of Cash Flows.

15

FAQ

How did MPLX (MPLX) perform financially in the first quarter of 2026?

MPLX generated net income attributable to the partnership of $912 million in Q1 2026, down from $1,126 million a year earlier. Adjusted EBITDA was $1.729 billion versus $1.757 billion, and net cash provided by operating activities rose to $1.347 billion from $1.246 billion.

What was MPLX (MPLX) distributable cash flow and distribution coverage in Q1 2026?

MPLX reported distributable cash flow attributable to the partnership of $1.408 billion in Q1 2026, compared with $1.486 billion a year earlier. This supported a quarterly distribution coverage ratio of 1.3x, based on total limited partner distributions of $1.092 billion during the period.

How much is MPLX (MPLX) paying per common unit for the first quarter 2026 distribution?

For the first quarter of 2026, MPLX declared a distribution of $1.0765 per common unit, up from $0.9565 in the prior-year quarter. Management stated that cash flow from growth projects is expected to support 12.5% annual distribution growth for two more years.

What is MPLX (MPLX) current leverage and liquidity position?

As of March 31, 2026, MPLX reported a leverage ratio of 3.7x consolidated debt to last twelve months adjusted EBITDA. The partnership had $1.5 billion of cash, $2.0 billion available on its prior revolver, and subsequently put in place a new five-year, $2.5 billion credit facility.

Which segments drove MPLX (MPLX) Q1 2026 results?

In Q1 2026, Crude Oil and Products Logistics segment adjusted EBITDA was $1.111 billion, slightly above $1.097 billion a year earlier. Natural Gas and NGL Services segment adjusted EBITDA was $618 million, down from $660 million, reflecting a prior-year non-recurring benefit, lower NGL prices, and higher operating expenses.

What major growth projects is MPLX (MPLX) investing in?

MPLX is directing 90% of a $2.4 billion organic growth capital plan into gas and NGL infrastructure, especially in the Permian and Marcellus. Key projects include the Harmon Creek III gas plant, Titan sour gas treating expansion, large Bay Runner, Rio Bravo, Blackcomb, and Traverse pipelines, and Gulf Coast fractionators.

Filing Exhibits & Attachments

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