Marathon Petroleum Corp.

Segment rollup primarily reflecting MPLX LP, the diversified large-cap MLP formed in 2012 in which MPC owns the general partner and ~64% of common units. Network of crude oil, natural gas and refined product pipelines (5,259 miles of crude oil pipeline systems), 88 owned and operated terminals (34,993 mbbls), barge dock capacity of 5,104 mbpd, 320 inland tank barges (8,655 mbbls) and 30 towboats, plus gas processing complexes (11,200 MMcf/d design capacity), fractionation (470 mbpd), de-ethanization (349 mbpd) and gathering systems (9,430 MMcf/d). Long-term fee-based commercial agreements with MPC's Refining & Marketing segment include minimum volume and capacity commitments. 2026 MPLX capital investment outlook of ~$2.7 billion ($2.4B growth, $0.3B maintenance) focused on the Permian to Gulf Coast value chain.

Segment rollup of 13 refineries in the Gulf Coast (1,248 mbpcd), Mid-Continent (1,186 mbpcd) and West Coast (552 mbpcd) regions, with aggregate crude oil refining capacity of 2,986 mbpcd and refinery-based asphalt production capacity of 143 mbpcd. 2025 crude oil capacity utilization was 94%; refineries processed 2,787 mbpd of crude plus 202 mbpd of other charge and blendstocks. 2025 refined product yields totaled 3,023 mbpd (gasoline 1,499; distillates 1,093) and refined product sales were 3,718 mbpd including 401 mbpd of exports. Marketing through 7,882 brand jobber outlets and 1,162 ARCO-brand direct dealer locations, plus 18 owned and operated terminals with 5,119 mbbls of tank storage. Includes a 49.9% interest in LF Bioenergy RNG joint venture.

Group-level rollup of MPC's three reportable segments: Refining & Marketing (13 refineries, ~3.0 million bpd crude refining capacity), Midstream (primarily MPLX, of which MPC owns the general partner and ~64% of common units), and Renewable Diesel. 2026 capital investment outlook of ~$1.5 billion for MPC excluding MPLX plus a ~$2.7 billion MPLX capital plan. Approximately 18,500 employees.

Refining logistics storage assets, primarily tankage at MPC refineries, with 93,643 mbbls of capacity, including 5,914 mbbls at the Martinez Renewables joint venture facility under terminalling and storage service agreements. Used solely by MPC's Refining & Marketing segment under long-term fee-based agreements with commitments to pay for 100% of available capacity.

Tank farm storage assets with 35,456 mbbls of capacity supporting crude oil and refined product logistics.

88 owned and operated terminals with 34,993 mbbls of tank storage capacity, comprising 81 light products terminals (33,919 mbbls) across 23 states and 7 asphalt terminals (1,074 mbbls); one additional terminal is held as an equity method investment. Profitability primarily depends on throughput volumes, with a majority serving MPC's Refining & Marketing segment.

Fleet of 320 inland tank barges with 8,655 mbbls of capacity and 30 inland towboats supporting fuels distribution on behalf of MPC, one of the largest private domestic fleets of inland petroleum product barges.

18 owned and operated Refining & Marketing terminals: 2 light products terminals in Alaska and New York (576 mbbls) and 16 asphalt terminals across Florida, Indiana, Kentucky, Louisiana, Michigan, New York, Ohio, Pennsylvania and Tennessee (4,543 mbbls).

Network of owned crude oil pipeline systems (5,259 miles, 2"-42" diameter, including ~16 miles leased and ~1,168 miles inactive) and refined products pipeline systems (4"-36", including ~87 miles at 65% ownership and ~17 miles at 50% ownership, plus ~197 miles inactive), with various capacities. Profitability primarily depends on tariff rates and volumes shipped; a majority of shipments serve MPC's Refining & Marketing segment. Includes barge dock capacity of 5,104 mbpd.

Cavern storage assets with 3,632 mbbls of capacity supporting crude oil, refined product and NGL logistics.

MPC-retained marine assets comprising four Jones Act medium range product tankers (1,320 mbbls) and three Jones Act 750 Series ATB vessels (990 mbbls).

49.9% equity interest in LF Bioenergy, an emerging producer of renewable natural gas in the US focused on developing and growing a portfolio of dairy farm-based, low carbon intensity RNG projects. Six facilities in operation, with one additional facility under construction expected online over the next 12 months.

Marcellus gas processing complexes with 6,520 MMcf/d of design throughput capacity; 2025 natural gas throughput of 6,123 MMcf/d represented 94% utilization of design capacity.

Utica natural gas gathering systems with 3,923 MMcf/d of design throughput capacity; 2025 natural gas throughput of 2,672 MMcf/d (68% utilization).

Southwest natural gas gathering systems with 3,445 MMcf/d of design throughput capacity; 2025 natural gas throughput of 1,826 MMcf/d (56% utilization).

Southwest gas processing operations with 2,745 MMcf/d of design throughput capacity (including MPLX's proportionate share of Centrahoma Processing LLC's 550 MMcf/d, a non-operated 40% joint venture); 2025 natural gas throughput of 1,904 MMcf/d (69% utilization). Excludes Northwind Midstream design capacity and treated volumes. Supported by 530 miles of Southwest NGL pipelines including the BANGL Pipeline system.

Marcellus natural gas gathering systems with 1,823 MMcf/d of design throughput capacity; 2025 natural gas throughput of 1,526 MMcf/d (89% utilization).

Utica gas processing complexes with 1,325 MMcf/d of design throughput capacity; 2025 natural gas throughput of 961 MMcf/d (73% utilization).

Southern Appalachia gas processing operations with 425 MMcf/d of design throughput capacity; 2025 natural gas throughput of 191 MMcf/d (45% utilization).

Marcellus fractionation facilities with 413 mbpd of design throughput capacity; 2025 NGL throughput of 343 mbpd (83% utilization). Supported by 442 miles of Marcellus NGL pipelines (6"-20").

Marcellus de-ethanization facilities with 309 mbpd of design throughput capacity; 2025 NGL throughput of 267 mbpd (86% utilization).

Bakken natural gas gathering systems with 239 MMcf/d of design throughput capacity; 2025 natural gas throughput of 160 MMcf/d (67% utilization).

Bakken gas processing operations with 185 MMcf/d of design throughput capacity; 2025 natural gas throughput of 159 MMcf/d (86% utilization), including volumes processed at third-party facilities.

Utica de-ethanization facilities with 40 mbpd of design throughput capacity; 2025 NGL throughput of 21 mbpd (53% utilization). Supported by 185 miles of Utica NGL pipelines.

Bakken fractionation facilities with 33 mbpd of design throughput capacity; 2025 NGL throughput of 14 mbpd (42% utilization). Supported by 104 miles of NGL pipelines.

Southern Appalachia fractionation facilities with 24 mbpd of design throughput capacity; 2025 NGL throughput of 11 mbpd (46% utilization). Supported by 140 miles of NGL pipelines.

NGL pipeline system in which MPLX purchased the remaining 55% interest on July 1, 2025 for $703 million cash plus an earnout of up to $275 million based on targeted EBITDA growth from 2026 to 2029, bringing ownership to 100%. The system also owns a 50% undivided joint interest in a 323-mile NGL pipeline and connects Permian production to Gulf Coast fractionation and export facilities.

Sour gas gathering and treating business acquired by MPLX on August 29, 2025 for $2.4 billion in cash, enhancing MPLX's Permian natural gas and NGL value chain. In-process expansion projects are being funded with incremental capital expenditures financed from MPLX's August 2025 $4.5 billion senior notes issuance. Includes 298 miles of 10"-42" natural gas pipelines held through Delaware Basin Residue interests reported separately.

Crude oil and natural gas gathering systems in the San Juan basin acquired from Whiptail Midstream, LLC on March 11, 2025 for $235 million in cash, accounted for as a business combination.

50/50 joint venture with Neste Corporation refining renewable feedstocks into renewable diesel, with capacity to produce 730 million gallons per year including pretreatment capabilities; reached full capacity in late 2024. MPLX owns refining logistics assets at the facility with 5,914 mbbls of storage capacity under terminalling and storage service agreements. Output generates federal RINs, 45Z tax credits and LCFS credits.

Combination of the former Texas City and Galveston Bay refineries and MPC's largest refinery following completion of the STAR project in 2023, which added 40 mbpcd. Processes a wide variety of crude oils into gasoline, distillates, NGLs and petrochemicals, heavy fuel oil and propane, with export market access. On-site cogeneration facility has 1,055 MW of electrical production capacity and 4.3 million lb/hr of steam; ~49% of 2025 power generated was used at the refinery with the remainder sold to the grid. Produces fuel-grade coke.

Located along the Mississippi River in southeastern Louisiana, configured to process a wide variety of crude oils into gasoline, distillates, NGLs and petrochemicals, propane, asphalt and heavy fuel oil, with export market access. OSHA VPP Star site; produces fuel-grade coke. One of the refineries from which gasoline, distillate, asphalt and NGL exports are made.

Joint venture with Archer-Daniels-Midland Company (ADM 75%, MPC 25%) sourcing and processing local soybeans and supplying the resulting soybean oil exclusively to MPC. Capacity to produce approximately 600 million pounds of refined soybean oil annually, enough feedstock for approximately 75 million gallons of renewable diesel per year.

Largest refinery on the West Coast and a major producer of cleaner burning CARB fuels. Processes heavy crude from California's San Joaquin Valley and Los Angeles Basin plus Alaska North Slope and international crudes into CARB gasoline and diesel, conventional gasoline, distillates, NGLs and petrochemicals, heavy fuel oil and propane. Produces fuel-grade and anode-grade coke. Phases 1 and 2 of SCAQMD Rule 1109.1 compliance complete (>80% of required NOx reductions); Phase 3 due by 2032.

Located in northeastern Kentucky near the confluence of the Big Sandy and Ohio Rivers. Processes sweet and sour crude oils, including production from the nearby Utica Shale, into gasoline, distillates, asphalt, NGLs and petrochemicals, propane and heavy fuel oil. OSHA VPP Star site.

Located in southeastern Illinois; processes sweet and sour crude oils into gasoline, distillates, NGLs and petrochemicals, propane and heavy fuel oil. Produces anode-grade coke used for carbon anodes in aluminum smelting. OSHA VPP Star site; subject of continued high-return investment under the 2026 capital plan.

Wholly owned renewables facility with capacity to produce 184 million gallons per year of renewable diesel from corn oil, soybean oil, fats and greases. Produced renewable diesel generates federal RINs, 45Z tax credits and LCFS credits when sold in California or similar markets.

Located in southwest Detroit and the only petroleum refinery currently operating in Michigan. Processes sweet and heavy sour crude oils into gasoline, distillates, NGLs and petrochemicals, asphalt, propane and heavy fuel oil. Produces fuel-grade coke. OSHA VPP Star site.

Located east of downtown El Paso; processes sweet and sour crude oils into gasoline, distillates, heavy fuel oil, propane, asphalt and NGLs and petrochemicals. Subject of continued high-return investment under the 2026 capital plan.

Located north of Seattle on Puget Sound; processes Canadian, North Dakota, Alaska North Slope and international crude oils into gasoline, distillates, heavy fuel oil, propane and NGLs and petrochemicals; export-capable.

Located along the Mississippi River southeast of St. Paul Park; processes sweet and heavy sour crude oils into gasoline, distillates, asphalt, propane, NGLs and petrochemicals and heavy fuel oil.

Located south of Cleveland; processes sweet and sour crude oils, including nearby Utica Shale production, into gasoline, distillates, asphalt, propane, NGLs and petrochemicals and heavy fuel oil. OSHA VPP Star site.

Located outside Bismarck, North Dakota; processes primarily sweet domestic crude oil from North Dakota into gasoline, distillates, propane, heavy fuel oil and NGLs and petrochemicals.

Largest refinery in Utah, located north of downtown Salt Lake City; processes crude oil from Utah, Colorado, Wyoming and Canada into gasoline, distillates, heavy fuel oil, NGLs and petrochemicals and propane.

Located on the Cook Inlet southwest of Anchorage; processes mainly Alaska domestic crude oil and North Dakota crude, with limited international crude, into distillates, gasoline, heavy fuel oil, asphalt, propane and NGLs and petrochemicals.

Condensate stabilization facility operated by MPLX with a capacity of 23 mbpd and 179 thousand barrels of condensate storage. Actual NGL throughput was 15 mbpd for the year ended December 31, 2025.