Earnings release
Page 1
Exhibit 99.1 Marathon Petroleum Corp. Reports Second-Quarter 2026 Results • Second-quarter net income attributable to MPC of $5.1 billion, or $17.73 per diluted share • $8.5 billion of adjusted EBITDA, with strong commercial and operational performance across the system • Executing value-enhancing capital strategy; El Paso and Robinson yield-enhancing investments online in 2Q26, extending the competitive position of these refining assets • Advancing MPLX Natural Gas and NGL value chain growth strategy, expected to support 12.5% annual distribution growth in 2026 and 2027 • $2.8 billion of capital returned, reflecting strong cash generation and disciplined execution of our capital allocation priorities FINDLAY, Ohio, Aug 4, 2026 – Marathon Petroleum Corp. (NYSE: MPC) today reported net income attributable to MPC of $5.1 billion, or $17.73 per diluted share, for the second quarter of 2026. This compares with a net income attributable to MPC of $1.2 billion, or $3.96 per diluted share, for the second quarter of 2025. The second quarter of 2026 adjusted earnings before interest, taxes, depreciation, and amortization (adjusted EBITDA) was $8.5 billion, compared with $3.3 billion for the second quarter of 2025. “Strong planning, commercial, and operational execution enabled safe and reliable operations to meet resilient consumer demand. Our results reflect the differentiated capabilities of our value chains and the execution of our optimization strategies,” said Chairman, President and Chief Executive Officer Maryann Mannen. “The completion of two high-return, yield-enhancing refining investments further position us to deliver incremental value. MPLX’s execution of its Natural Gas and NGL strategy supports durable growth and increasing distributions that differentiate MPC, allowing us to lead in capital return.” 1
Page 2
Results from Operations Adjusted EBITDA (unaudited) Three Months Ended June 30, Six Months Ended June 30, (In millions) 2026 2025 2026 2025 Refining & Marketing segment adjusted EBITDA $ 6,655 $ 1,890 $ 8,032 $ 2,379 Midstream segment adjusted EBITDA 1,778 1,641 3,376 3,361 Renewable Diesel segment adjusted EBITDA 258 (19) 296 (61) Subtotal 8,691 3,512 11,704 5,679 Corporate (256) (243) (530) (453) Add: Depreciation and amortization 25 17 49 35 Adjusted EBITDA $ 8,460 $ 3,286 $ 11,223 $ 5,261 Refining & Marketing (R&M) Segment adjusted EBITDA was $6.7 billion in the second quarter of 2026, versus $1.9 billion for the second quarter of 2025. R&M segment adjusted EBITDA was $24.84 per barrel for the second quarter of 2026, versus $6.79 per barrel for the second quarter of 2025. Segment adjusted EBITDA excludes refining planned turnaround costs, which totaled $275 million in the second quarter of 2026 and $250 million in the second quarter of 2025. R&M margin was $36.33 per barrel for the second quarter of 2026, versus $17.58 per barrel for the second quarter of 2025. Crude capacity utilization was 94%, resulting in total throughput of 2.9 million barrels per day (bpd) for the second quarter of 2026. Results were driven primarily by higher crack spreads in all regions. Refining operating costs were $5.72 per barrel for the second quarter of 2026, versus $5.34 per barrel for the second quarter of 2025, primarily driven by decreased utilization due to planned downtime in the Mid-Con, compared to the prior year quarter. Midstream Segment adjusted EBITDA was $1.8 billion in the second quarter of 2026, versus $1.6 billion for the second quarter of 2025. The increase was primarily driven by increased rates and throughputs, including growth from equity affiliates and acquisitions, partially offset by the divestiture of non-core gathering and processing assets. Renewable Diesel Segment adjusted EBITDA was $258 million in the second quarter of 2026, versus $(19) million for the second quarter of 2025. The results reflect a stronger margin environment, higher throughputs, and improved regulatory credit values. Corporate and Items Not Allocated Corporate expenses totaled $256 million in the second quarter of 2026, compared with $243 million in the second quarter of 2025. Financial Position, Liquidity, and Return of Capital As of June 30, 2026, MPC had $7.8 billion of cash and cash equivalents, including $1.0 billion of cash at MPLX, and no borrowings outstanding under its $5 billion five-year bank revolving credit facility. In the second quarter, the company returned over $2.8 billion of capital to shareholders. As of June 30, 2026, the company had $6.1 billion remaining under its share repurchase authorizations. 2
Page 3
Strategic Update MPC Strategic Update MPC’s 2026 capital spending outlook (excluding MPLX) is $1.5 billion. Approximately 65% of its overall capital spending is focused on value-enhancing investments and 35% on sustaining operations. MPC’s outlook includes high-return investments at its Galveston Bay, Robinson, El Paso, and Garyville refineries. In the second quarter of 2026, the El Paso yield improvement and Robinson product flexibility investments were placed in service. The El Paso yield improvement investment enhances the refinery’s ability to produce specialty gasolines for the El Paso, Phoenix, and Mexico markets, reinforcing its geographic advantage and competitive position. The Robinson product flexibility investment enables approximately 10 thousand barrels per day (mbpd) of incremental jet fuel production, supporting growing regional demand. In addition to these multi-year investments, the company is executing shorter-term projects that offer high returns through margin enhancement and cost reduction. Investment Details Expected In-Service Garyville Jet Flexibility Increases flexibility to maximize higher value jet fuel production to meet growing demand 1Q26 – Completed El Paso Yield Improvement Upgrades fluid catalytic cracker (FCC) and alkylation units to drive volume expansion 2Q26 – Completed Robinson Product Flexibility Increases flexibility to maximize higher value jet fuel production to meet growing demand 2Q26 – Completed Galveston Bay Distillate Hydrotreater 90 mbpd hydrotreater, increasing supply of high-value ULSD to domestic and export markets YE27 Garyville Feedstock Optimization Further optimizes feedstock slate and increases crude throughput by 30 mbpd YE27 Garyville Product Export Flexibility Increases yield flexibility to produce an incremental 10 mbpd of export premium gasoline and lowers costs YE27 MPLX Strategic Update MPLX is increasing its 2026 growth capital spending outlook by $500 million, to $2.9 billion, primarily reflecting the accelerated execution of the Gulf Coast fractionation project to meet global demand for U.S. energy. MPLX plans to invest over 90% of organic growth capital 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 3
Page 4
MPLX’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 Secretariat I 200 million cubic feet per day (MMcf/d) gas processing plant in the Delaware Basin 100% Placed in service in April 2026 Harmon Creek III 300 MMcf/d gas processing plant and 40 mbpd de-ethanizer in the Marcellus 100% Beginning operations in August 2026 Bay Runner and Bay Runner Twin Pipelines Up to 5.3 billion cubic feet per day (Bcf/d) of natural gas transport capacity between Agua Dulce, Texas, and Brownsville, Texas 30% Bay Runner: 3Q26 Bay Runner Twin: 2029 Titan Complex Increasing sour gas treating capacity from 150 MMcf/d to over 400 MMcf/d in the Delaware Basin 100% 4Q26 BANGL Pipeline Expanding NGL pipeline from 250 mbpd to 300 mbpd; provides transportation from the Permian Basin to the Texas Gulf Coast 100% 4Q26 Blackcomb Pipeline 2.5 Bcf/d pipeline connecting Permian supply to Agua Dulce, Texas 34% 4Q26; Began commissioning July 2026 Traverse Pipeline 2.5 Bcf/d pipeline designed to transport natural gas between Agua Dulce, Texas, and Katy, Texas 34% 2H27 Gulf Coast Fractionators Two 150 mbpd fractionation facilities near MPC’s Galveston Bay refinery 100% Frac I: 2028 Frac II: 2029 Gulf Coast LPG Export Terminal JV 400 mbpd LPG export terminal located in the Port of Texas City, Texas 50% 2028 Marcellus Gathering System Expansion Supports producer activity near MPLX’s Majorsville gas processing complex 100% 1H28 Eiger Express Pipeline 3.7 Bcf/d pipeline connecting Permian supply to Katy, Texas 22% Mid-2028 Secretariat II 300 MMcf/d gas processing plant in the Delaware Basin 100% 2H28 4
Page 5
Third-Quarter 2026 Outlook Refining & Marketing Segment: Refining operating costs per barrel $ 5.60 Distribution costs (in millions) $ 1,650 Refining planned turnaround costs (in millions) $ 290 Depreciation and amortization (in millions) $ 390 Refinery throughputs (mbpd): Crude oil refined 2,820 Other charge and blendstocks 185 Total 3,005 Corporate (includes $30 million of D&A) $ 260 Excludes refining planned turnaround and depreciation and amortization expense. Conference Call At 11:00 a.m. ET today, MPC will hold a conference call and webcast to discuss the reported results and provide an update on company operations. Interested parties may listen by visiting MPC’s website at www.marathonpetroleum.com. A replay of the webcast will be available on the company’s website for two weeks. Financial information, including the earnings release and other investor-related materials, will also be available online prior to the conference call and webcast at www.marathonpetroleum.com. ### About Marathon Petroleum Corporation Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream and midstream energy company headquartered in Findlay, Ohio. The company operates the nation’s largest refining system. MPC’s marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure. More information is available at www.marathonpetroleum.com. Investor Relations Contacts: (419) 421-2071 Brian Worthington, Vice President, Investor Relations Alyx Teschel, Director, Investor Relations Media Contact: (419) 421-3577 Jamal Kheiry, Communications Manager References to Earnings and Defined Terms References to earnings mean net income attributable to MPC from the statements of income. Unless otherwise indicated, references to earnings and earnings per share are MPC’s share after excluding amounts attributable to noncontrolling interests. (a) (a) 5
Page 6
Market Data Certain relevant benchmark margin and market data, including pricing, regional and blended crack spreads and sweet and sour crude differentials, along with a hypothetical Refining and Marketing margin indicator based on such margin and market data and operational guidance provided for each quarter, is available on MPC’s Investors website at www.marathonpetroleum.com/Investors/Investor-Market-Data. MPC intends to update this information each month no later than the close of business on the second business day following the end of each month unless otherwise noted and may also provide additional updates within each month. Interested parties may register to receive automatic email alerts when the information is updated by clicking on “Sign Up” at https://www.marathonpetroleum.com/Investors/ and following the instructions provided. Forward-Looking Statements This press release contains forward-looking statements regarding MPC. These forward-looking statements may relate to,among other things, MPC’s expectations, estimates and projections concerning its business and operations, financial priorities, strategic plans and initiatives, 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 andintensity reduction targets, freshwater withdrawal intensity reduction targets, 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 are 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 similarexpressions that convey the uncertainty of future events or outcomes. MPC 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 MPC, that could cause actual results and events to differ materially from the statements made herein.Factors that could cause MPC’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 ashostilities in the Middle East and in Ukraine, tariffs, inflation rising interest rates or government shutdowns; the regional, national and worldwide demand for refined products and renewable diesel and other renewable fuels and related margins; the regional, national or worldwide availability and pricing of crude oil, natural gas, NGLs and other feedstocks and related pricingdifferentials, including increased pricing volatility or supply disruptions due to the U.S.-Iran conflict and market reactions thereto; the adequacy of capital resources and liquidity and timing and amounts of free cash flow necessary to execute our business plans, effect future share repurchases and to maintain or grow our dividend; the success or timing of completion ofongoing or anticipated projects; 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 ability to obtain the necessary regulatory approvals and satisfy the other conditionsnecessary 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 availability of desirable strategic alternatives to optimize portfolioassets and the ability to obtain regulatory and other approvals with respect thereto; 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; our ability to successfully implement our sustainable energy strategy and principles and to achieve ourESG plans and goals within the expected timeframes if at all; 6
Page 7
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 projectsand 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 refineries, machinery, pipelines, processing, fractionation and treating facilities orequipment, means of transportation, or those of our suppliers or customers; the imposition of windfall profit taxes, maximum refining margin penalties, minimum inventory requirements or refinery maintenance and turnaround supply plans on companies operating within the energy industry in California or other jurisdictions; the establishment or increase of tariffs ongoods, including crude oil and other feedstocks imported into the United States, other trade protection measures or restrictions or retaliatory actions from foreign governments; the impact of adverse market conditions or other similar risks to those identified herein affecting MPLX; compliance costs and uncertainty associated with cap and invest programs or similararrangements or programs in California or other jurisdictions; and the factors set forth under the heading “Risk Factors” and “Disclosures Regarding Forward-Looking Statements” in MPC’s and MPLX’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 theapplicable communication and we undertake no obligation to update any forward-looking statement except to the extent required by applicable law. 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. 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. 7
Page 8
Consolidated Statements of Income (unaudited) Three Months Ended June 30, Six Months Ended June 30, (In millions, except per-share data) 2026 2025 2026 2025 Revenues and other income: Sales and other operating revenues $ 51,994 $ 33,799 $ 86,194 $ 65,316 Income from equity method investments 256 212 432 442 Net gain (loss) on disposal of assets (2) 6 (2) 6 Other income 89 84 281 187 Total revenues and other income 52,337 34,101 86,905 65,951 Costs and expenses: Cost of revenues (excludes items below) 43,064 30,025 74,325 59,385 Depreciation and amortization 838 789 1,647 1,582 Selling, general and administrative expenses 894 867 1,761 1,650 Other taxes 219 223 446 450 Total costs and expenses 45,015 31,904 78,179 63,067 Income from operations 7,322 2,197 8,726 2,884 Net interest and other financial costs 340 319 710 623 Income before income taxes 6,982 1,878 8,016 2,261 Provision for income taxes 1,444 268 1,627 305 Net income 5,538 1,610 6,389 1,956 Less net income attributable to: Noncontrolling interests 400 394 740 814 Net income attributable to MPC $ 5,138 $ 1,216 $ 5,649 $ 1,142 Per share data Basic: Net income attributable to MPC per share $ 17.76 $ 3.96 $ 19.34 $ 3.69 Weighted average shares outstanding (in millions) 289 307 291 309 Diluted: Net income attributable to MPC per share $ 17.73 $ 3.96 $ 19.30 $ 3.68 Weighted average shares outstanding (in millions) 290 307 292 310 8
Page 9
Capital Expenditures and Investments (unaudited) Three Months Ended June 30, Six Months Ended June 30, (In millions) 2026 2025 2026 2025 Refining & Marketing $ 325 $ 347 $ 653 $ 709 Midstream 1,021 691 1,913 1,077 Renewable Diesel — 1 — 2 Corporate 40 26 72 53 Total $ 1,386 $ 1,065 $ 2,638 $ 1,841 Capitalized interest $ 33 $ 20 $ 63 $ 38 The six months ended June 30, 2026 excludes $62 million of funding to the Martinez Renewables JV due to turnaround costs in the first quarter of 2026 expected to be recovered through subsequent distributions from the JV during 2026. Includes capitalized interest. Refining & Marketing Operating Statistics (unaudited) Dollar per Barrel of Net Refinery Throughput Three Months Ended June 30, Six Months Ended June 30, 2026 2025 2026 2025 Refining & Marketing margin $ 36.33 $ 17.58 $ 27.24 $ 15.57 Less: Refining operating costs 5.72 5.34 5.97 5.53 Distribution costs 5.88 5.52 6.02 5.64 Other income (0.11) (0.07) (0.06) (0.05) Refining & Marketing segment adjusted EBITDA $ 24.84 $ 6.79 $ 15.31 $ 4.45 Refining planned turnaround costs $ 1.03 $ 0.90 $ 1.53 $ 1.32 Depreciation and amortization 1.53 1.45 1.52 1.52 Fees paid to MPLX included in distribution costs above 3.90 3.59 3.93 3.72 Sales revenue less cost of refinery inputs and purchased products, divided by net refinery throughput. Excludes refining planned turnaround and depreciation and amortization expense. Excludes depreciation and amortization expense. Includes income or loss from equity method investments, net gain or loss on disposal of assets and other income or loss. (a) (b) (a) (b) (a) (b) (c) (d) (a) (b) (c) (d) 9
Page 10
Refining & Marketing - Supplemental Operating Data Three Months Ended June 30, Six Months Ended June 30, 2026 2025 2026 2025 Refining & Marketing refined product sales volume (mbpd) 3,842 3,835 3,697 3,642 Crude oil refining capacity (mbpcd) 2,986 2,963 2,986 2,963 Crude oil capacity utilization (percent) 94 97 91 93 Refinery throughputs (mbpd): Crude oil refined 2,798 2,883 2,732 2,754 Other charge and blendstocks 146 177 166 201 Net refinery throughputs 2,944 3,060 2,898 2,955 Sour crude oil throughput (percent) 48 45 48 45 Sweet crude oil throughput (percent) 52 55 52 55 Refined product yields (mbpd): Gasoline 1,439 1,526 1,426 1,506 Distillates 1,131 1,117 1,077 1,073 Propane 71 70 67 69 NGLs and petrochemicals 237 242 210 202 Heavy fuel oil 29 61 77 67 Asphalt 81 81 78 77 Total 2,988 3,097 2,935 2,994 Inter-region refinery transfers excluded from throughput and yieldsabove (mbpd) 116 76 111 60 Includes intersegment sales. Based on calendar day capacity, which is an annual average that includes downtime for planned maintenance and other normal operating activities. Refining & Marketing - Supplemental Operating Data by Region (unaudited) The per barrel data for the regions, as shown in the tables below, is calculated based on the net refinery throughput (excludes inter-refinery transfer volumes). Refining operating costs exclude refining planned turnaround costs and refining depreciation and amortization expense. Distribution costs exclude depreciation and amortization. (a) (b) (b) (a) (b) 10
Page 11
Gulf Coast Region Three Months Ended June 30, Six Months Ended June 30, 2026 2025 2026 2025 Refining & Marketing margin (dollar per barrel of net refinerythroughput) $ 36.52 $ 15.17 $ 27.57 $ 13.59 Less: Refining operating costs 4.30 4.34 4.79 4.76 Distribution costs 5.33 5.27 5.71 5.50 Other income (0.12) (0.09) (0.11) (0.05) Refining & Marketing Gulf Coast adjusted EBITDA $ 27.01 $ 5.65 $ 17.18 $ 3.38 Refining planned turnaround costs $ 0.15 $ 0.19 1.55 1.16 Depreciation and amortization 1.26 1.04 1.24 1.12 Refinery throughputs (mbpd): Crude oil refined 1,253 1,233 1,184 1,124 Other charge and blendstocks 152 154 159 161 Gross refinery throughputs 1,405 1,387 1,343 1,285 Sour crude oil throughput (percent) 58 55 58 58 Sweet crude oil throughput (percent) 42 45 42 42 Refined product yields (mbpd): Gasoline 650 637 594 617 Distillates 525 511 478 462 Propane 42 40 38 39 NGLs and petrochemicals 158 149 144 127 Heavy fuel oil 50 58 101 52 Asphalt 18 19 16 15 Total 1,443 1,414 1,371 1,312 Inter-region refinery transfers included in throughput and yieldsabove (mbpd) 70 51 70 37 Includes refining and distribution depreciation and amortization. (a) (a) 11
Page 12
Mid-Continent Region Three Months Ended June 30, Six Months Ended June 30, 2026 2025 2026 2025 Refining & Marketing margin (dollar per barrel of net refinerythroughput) $ 33.68 $ 17.86 $ 23.80 $ 15.49 Less: Refining operating costs 6.31 5.04 6.26 4.99 Distribution costs 6.53 5.40 6.45 5.49 Other income (0.12) (0.03) (0.05) (0.04) Refining & Marketing Mid-Continent adjusted EBITDA$ 20.96 $ 7.45 $ 11.14 $ 5.05 Refining planned turnaround costs $ 1.93 $ 1.04 1.74 0.84 Depreciation and amortization 1.60 1.49 1.57 1.54 Refinery throughputs (mbpd): Crude oil refined 1,030 1,165 1,037 1,146 Other charge and blendstocks 72 55 74 60 Gross refinery throughputs 1,102 1,220 1,111 1,206 Sour crude oil throughput (percent) 27 24 28 24 Sweet crude oil throughput (percent) 73 76 72 76 Refined product yields (mbpd): Gasoline 558 633 585 637 Distillates 396 431 391 432 Propane 19 22 19 21 NGLs and petrochemicals 53 62 43 47 Heavy fuel oil 13 14 14 13 Asphalt 63 61 63 61 Total 1,102 1,223 1,115 1,211 Inter-region refinery transfers included in throughput and yieldsabove (mbpd) 22 8 15 7 Includes refining and distribution depreciation and amortization. (a) (a) 12
Page 13
West Coast Region Three Months Ended June 30, Six Months Ended June 30, 2026 2025 2026 2025 Refining & Marketing margin (dollar per barrel of net refinerythroughput) $ 41.28 $ 23.18 $ 33.54 $ 20.60 Less: Refining operating costs 8.08 8.62 8.21 8.68 Distribution costs 5.94 6.42 5.87 6.31 Other income — (0.04) (0.02) (0.03) Refining & Marketing West Coast adjusted EBITDA $ 27.26 $ 8.18 $ 19.48 $ 5.64 Refining planned turnaround costs $ 1.39 $ 2.39 1.08 2.82 Depreciation and amortization 2.06 2.43 2.10 2.43 Refinery throughputs (mbpd): Crude oil refined 515 485 511 484 Other charge and blendstocks 38 44 44 40 Gross refinery throughputs 553 529 555 524 Sour crude oil throughput (percent) 63 66 64 66 Sweet crude oil throughput (percent) 37 34 36 34 Refined product yields (mbpd): Gasoline 267 271 274 264 Distillates 215 179 215 181 Propane 10 8 10 9 NGLs and petrochemicals 35 35 32 34 Heavy fuel oil 31 42 29 42 Asphalt 1 1 — 1 Total 559 536 560 531 Inter-region refinery transfers included in throughput and yieldsabove (mbpd) 24 17 26 16 Includes refining and distribution depreciation and amortization. Midstream Operating Statistics (unaudited) Three Months Ended June 30, Six Months Ended June 30, 2026 2025 2026 2025 Pipeline throughputs (mbpd) 5,993 6,219 5,891 6,121 Terminal throughputs (mbpd) 3,259 3,183 3,118 3,139 Gathering system throughputs (million cubic feet per day) 6,859 6,562 6,674 6,539 Natural gas processed (million cubic feet per day) 9,590 9,740 9,498 9,760 C2 (ethane) + NGLs fractionated (mbpd) 680 634 657 647 Includes common-carrier pipelines and private pipelines contributed to MPLX. Excludes equity method affiliate pipeline volumes. 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. (a) (a) (a) (b) (b) (b) (a) (b) 13
Page 14
Renewable Diesel Financial Data (unaudited) Three Months Ended June 30, Six Months Ended June 30, (In millions) 2026 2025 2026 2025 Renewable Diesel margin $ 321 $ 49 $ 454 $ 75 Less: Operating costs 74 66 141 136 Distribution costs 32 25 60 47 Other income (43) (23) (43) (47) Renewable Diesel segment adjusted EBITDA $ 258 $ (19) $ 296 $ (61) Planned turnaround costs $ 1 $ 25 $ 2 $ 36 JV planned turnaround costs 1 2 30 10 Depreciation and amortization 16 18 32 36 JV depreciation and amortization 23 23 45 45 Sales revenue less cost of renewable inputs and purchased products. Excludes planned turnaround and depreciation and amortization expense. Excludes depreciation and amortization expense. Includes income or loss from equity method investments, net gain or loss on disposal of assets and other income or loss. Select Financial Data (unaudited) June 30, 2026 March 31, 2026 (in millions of dollars) Cash and cash equivalents $ 7,768 $ 2,151 Total consolidated debt 32,816 32,825 MPC debt 7,176 7,191 MPLX debt 25,640 25,634 Equity 25,720 23,427 (in millions) Shares outstanding 283 293 Net of unamortized debt issuance costs and unamortized premium/discount, net. (a) (b) (c) (d) (a) (b) (c) (d) (a) (a) 14
Page 15
Non-GAAP Financial Measures Management uses certain financial measures to evaluate our operating performance that are calculated and presented on the basis of methodologies other than in accordance with GAAP. The non-GAAP financial measures we use are as follows: Adjusted Net Income Attributable to MPC and Adjusted Diluted Income Per Share Adjusted net income attributable to MPC is defined as net income attributable to MPC excluding the items in the table below, along with their related income tax effect. We have excluded these items because we believe that they are not indicative of our core operating performance. Adjusted diluted income per share is defined as adjusted net income attributable to MPC divided by the number of weighted-average shares outstanding in the applicable period, assuming dilution. We believe the use of adjusted net income attributable to MPC and adjusted diluted income per share provides us and our investors with important measures of our ongoing financial performance to better assess our underlying business results and trends. Adjusted net income attributable to MPC or adjusted diluted income per share should not be considered as a substitute for, or superior to, net income attributable to MPC, diluted net income per share or any other measure of financial performance presented in accordance with GAAP. Adjusted net income attributable to MPC and adjusted diluted income per share may not be comparable to similarly titled measures reported by other companies. Reconciliation of Net Income Attributable to MPC to Adjusted Net Income Attributable to MPC (unaudited) Three Months Ended June 30, Six Months Ended June 30, (In millions) 2026 2025 2026 2025 Net income attributable to MPC $ 5,138 $ 1,216 $ 5,649 $ 1,142 Pre-tax adjustments: Clean fuel production tax credit — — (32) — Tax impact of adjustments — — 8 — Adjusted net income attributable to MPC $ 5,138 $ 1,216 $ 5,625 $ 1,142 Diluted income per share $ 17.73 $ 3.96 $ 19.30 $ 3.68 Adjusted diluted income per share $ 17.73 $ 3.96 $ 19.22 $ 3.68 Weighted average diluted shares outstanding 290 307 292 310 Recognition of 2025 clean fuel production tax credits as a result of proposed regulatory guidance issued in February of 2026 which clarified the qualification criteria for 45Z credits. Income taxes for the six months ended June 30, 2026 were calculated by applying a federal statutory rate and a blended state tax rate to the pre-tax adjustments. The corresponding adjustments to reported income taxes are shown in the table above. (a) (b) (a) (b) 15
Page 16
Adjusted EBITDA Amounts included in net income (loss) attributable to MPC and excluded from adjusted EBITDA include (i) net interest and other financial costs; (ii) provision/benefit for income taxes; (iii) noncontrolling interests; (iv) depreciation and amortization; (v) refining planned turnaround costs and (vi) other adjustments as deemed necessary, as shown in the table below. We believe excluding turnaround costs from this metric is useful for comparability to other companies as certain of our competitors defer these costs and amortize them between turnarounds. 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. Adjusted EBITDA should not be considered as a substitute for, or superior to, income (loss) from operations, net income attributable to MPC, income before income taxes, cash flows from operating activities or any other measure of financial performance presented in accordance with GAAP. Adjusted EBITDA may not be comparable to similarly titled measures reported by other companies. Reconciliation of Net Income Attributable to MPC to Adjusted EBITDA (unaudited) Three Months Ended June 30, Six Months Ended June 30, (In millions) 2026 2025 2026 2025 Net income attributable to MPC $ 5,138 $ 1,216 $ 5,649 $ 1,142 Net income attributable to noncontrolling interests 400 394 740 814 Provision for income taxes 1,444 268 1,627 305 Net interest and other financial costs 340 319 710 623 Depreciation and amortization 838 789 1,647 1,582 Renewable Diesel JV depreciation and amortization 23 23 45 45 Refining & Renewable Diesel planned turnaround costs 276 275 807 740 Renewable Diesel JV planned turnaround costs 1 2 30 10 Clean fuel production tax credit — — (32) — Adjusted EBITDA $ 8,460 $ 3,286 $ 11,223 $ 5,261 Recognition of 2025 clean fuel production tax credits as a result of proposed regulatory guidance issued in February of 2026 which clarified the qualification criteria for 45Z credits. (a) (a) 16
Page 17
Refining & Marketing Margin Refining & Marketing margin is defined as sales revenue less cost of refinery inputs and purchased products, which includes impacts from derivative activity. We use and believe our investors use this non-GAAP financial measure to evaluate our Refining & Marketing segment’s operating and financial performance as it is the most comparable measure to the industry’s market reference product margins. This measure should not be considered a substitute for, or superior to, Refining & Marketing gross margin or other measures of financial performance prepared in accordance with GAAP, and our calculation thereof may not be comparable to similarly titled measures reported by other companies. Reconciliation of Refining & Marketing Segment Adjusted EBITDA to Refining & Marketing Gross Margin and Refining & Marketing Margin (unaudited) Three Months Ended June 30, Six Months Ended June 30, (In millions) 2026 2025 2026 2025 Refining & Marketing segment adjusted EBITDA $ 6,655 $ 1,890 $ 8,032 $ 2,379 Plus (Less): Depreciation and amortization (410) (405) (797) (811) Refining planned turnaround costs (275) (250) (805) (704) Selling, general and administrative expenses 686 667 1,336 1,291 Income from equity method investments (12) (3) (10) (8) Other income (29) (51) (130) (119) Refining & Marketing gross margin 6,615 1,848 7,626 2,028 Plus (Less): Operating expenses (excluding depreciation and amortization)2,939 2,803 6,187 5,787 Depreciation and amortization 410 405 797 811 Gross margin excluded from and other income included in Refining& Marketing margin (173) (98) (217) (168) Other taxes included in Refining & Marketing margin (56) (63) (108) (133) Refining & Marketing margin $ 9,735 $ 4,895 $ 14,285 $ 8,325 Reflects the gross margin, excluding depreciation and amortization, of other related operations included in the Refining & Marketing segment and processing of credit card transactions on behalf of certain of our marketing customers, net of other income. (a) (a) 17
Page 18
Refining & Marketing Margin by region: Three Months Ended June 30, 2026 2025 Margin Net RefineryThroughput Margin Margin Net RefineryThroughput Margin Region (in millions) (mbpd) ($/bbl) (in millions) (mbpd) ($/bbl) Gulf Coast $ 4,437 1,335 $ 36.52 $ 1,845 1,336 $ 15.17 Mid-Continent 3,309 1,080 33.68 1,970 1,212 17.86 West Coast 1,989 529 41.28 1,080 512 23.18 Refining & Marketing $ 9,735 2,944 36.33 $ 4,895 3,060 17.58 Six Months Ended June 30, 2026 2025 Margin Net RefineryThroughput Margin Margin Net RefineryThroughput Margin Region (in millions) (mbpd) ($/bbl) (in millions) (mbpd) ($/bbl) Gulf Coast $ 6,350 1,273 $ 27.57 $ 3,072 1,248 $ 13.59 Mid-Continent 4,721 1,096 23.80 3,360 1,199 15.49 West Coast 3,214 529 33.54 1,893 508 20.60 Refining & Marketing $ 14,285 2,898 27.24 $ 8,325 2,955 15.57 Refining & Marketing Adjusted EBITDA by region: Three Months Ended June 30, 2026 2025 AdjustedEBITDA Net RefineryThroughput AdjustedEBITDA AdjustedEBITDA Net RefineryThroughput AdjustedEBITDA Region (in millions) (mbpd) ($/bbl) (in millions) (mbpd) ($/bbl) Gulf Coast $ 3,282 1,335 $ 27.01 $ 687 1,336 $ 5.65 Mid-Continent 2,060 1,080 20.96 822 1,212 7.45 West Coast 1,313 529 27.26 381 512 8.18 Refining & MarketingSegment $ 6,655 2,944 24.84 $ 1,890 3,060 6.79 Six Months Ended June 30, 2026 2025 AdjustedEBITDA Net RefineryThroughput AdjustedEBITDA AdjustedEBITDA Net RefineryThroughput AdjustedEBITDA Region (in millions) (mbpd) ($/bbl) (in millions) (mbpd) ($/bbl) Gulf Coast $ 3,956 1,273 $ 17.18 $ 765 1,248 $ 3.38 Mid-Continent 2,210 1,096 11.14 1096 1,199 5.05 West Coast 1,866 529 19.48 518 508 5.64 Refining & MarketingSegment $ 8,032 2,898 15.31 $ 2,379 2,955 4.45 18
Page 19
Renewable Diesel Margin Renewable Diesel margin is defined as sales revenue plus value attributable to qualifying regulatory credits earned during the period less cost of renewable inputs and costs for purchased product, including from our Martinez Renewables JV. We use, and believe our investors use, this non-GAAP financial measure to evaluate our Renewable Diesel segment’s operating and financial performance. This measure should not be considered a substitute for, or superior to, Renewable Diesel gross margin or other measures of financial performance prepared in accordance with GAAP, and our calculation thereof may not be comparable to similarly titled measures reported by other companies. Reconciliation of Renewable Diesel Segment Adjusted EBITDA to Renewable Diesel Gross Margin and Renewable Diesel Margin (unaudited) Three Months Ended June 30, Six Months Ended June 30, (In millions) 2026 2025 2026 2025 Renewable Diesel segment adjusted EBITDA $ 258 $ (19) $ 296 $ (61) Plus (Less): Depreciation and amortization (16) (18) (32) (36) JV depreciation and amortization (23) (23) (45) (45) Planned turnaround costs (1) (25) (2) (36) JV planned turnaround costs (1) (2) (30) (10) Selling, general and administrative expenses 8 9 16 18 Income from equity method investments (39) (18) (10) (34) Other income (26) (8) (54) (11) Renewable Diesel gross margin 160 (104) 139 (215) Plus (Less): Operating expenses (excluding depreciation and amortization)123 114 240 212 Depreciation and amortization 16 18 32 36 Martinez JV depreciation and amortization 22 21 43 42 Renewable Diesel margin $ 321 $ 49 $ 454 $ 75 19