Item 2. Properties

We believe that our properties and facilities are adequate for our operations and that our facilities are adequately maintained. See the following sections for details of our assets by segment.

REFINING & MARKETING

The table below sets forth the location and crude oil refining capacity for each of our refineries as of December 31, 2025. Refining throughput can exceed crude oil refining capacity due to the processing of other charge and blendstocks in addition to crude oil and the timing of planned turnaround and major maintenance activity.

Refinery						Crude Oil Refining Capacity (mbpcd)
Gulf Coast Region
Galveston Bay, Texas City, Texas						631
Garyville, Louisiana						617
Subtotal Gulf Coast region						1,248
Mid-Continent Region
Catlettsburg, Kentucky						307
Robinson, Illinois						253
Detroit, Michigan						146
El Paso, Texas						133
St. Paul Park, Minnesota						105
Canton, Ohio						100
Mandan, North Dakota						72
Salt Lake City, Utah						70
Subtotal Mid-Continent region						1,186
West Coast Region
Los Angeles, California						365
Anacortes, Washington						119
Kenai, Alaska						68
Subtotal West Coast region						552
Total						2,986

The following table sets forth the approximate number of locations where jobbers maintain branded outlets, marketing fuels mainly under the Marathon and ARCO brands as well as Shell, Mobil, Tesoro and other brands, as of December 31, 2025.

Location						Number of Branded Outlets
Alabama						417
Alaska						54
Arizona						88
California						101
Colorado						12
Connecticut						1
District of Columbia						2
Florida						626
Georgia						530
Idaho						107
Illinois						178
Indiana						682
Iowa						15
Kentucky						531
Louisiana						82
Maryland						67
Massachusetts						1
Mexico						283
Michigan						710
Minnesota						334
Mississippi						159
Missouri						12
Nevada						19
New Jersey						9
New Mexico						45
New York						61
North Carolina						286
North Dakota						126
Ohio						944
Oregon						59
Pennsylvania						97
Rhode Island						3
South Carolina						114
South Dakota						31
Tennessee						401
Texas						14
Utah						93
Virginia						262
Washington						96
West Virginia						155
Wisconsin						72
Wyoming						3
Total						7,882

The Refining & Marketing segment sells transportation fuels through long-term fuel supply contracts to direct dealer locations, primarily under the ARCO brand. The following table sets forth the number of direct dealer locations by state as of December 31, 2025.

Location						Number of Locations
Arizona						69
California						974
Nevada						117
New Mexico						1
Oregon						1
Total						1,162

The following table sets forth details about our Refining & Marketing owned and operated terminals as of December 31, 2025. See the Midstream - MPLX section for information with respect to MPLX owned and operated terminals.

Owned and Operated Terminals						Number of Terminals						Tank Storage Capacity (mbbls)
Light Products Terminals:
Alaska						1						242
New York						1						334
Subtotal light products terminals						2						576
Asphalt Terminals:
Florida						1						263
Indiana						1						122
Kentucky						4						537
Louisiana						1						54
Michigan						1						12
New York						1						417
Ohio						4						2,207
Pennsylvania						1						451
Tennessee						2						480
Subtotal asphalt terminals						16						4,543
Total owned and operated terminals						18						5,119

MIDSTREAM - MPLX

The following table sets forth certain information relating to MPLX’s crude oil and refined products pipeline systems and storage assets as of December 31, 2025.

Pipeline System or Storage Asset									Diameter (inches)						Length (miles)						Capacity
Total crude oil pipeline systems(a)(b)									2" - 42"						5,259						Various
Total refined products pipeline systems(a)(b)(c)									4" - 36"						3,787						Various
Barge Docks (mbpd)																					5,104
Storage assets: (mbbls)
Refining Logistics(d)																					93,643
Tank Farms																					35,456
Caverns																					3,632

(a) Includes approximately 16 miles of crude oil pipeline and 2 miles of refined product pipeline leased from third parties.

(b) Includes approximately 1,168 miles of inactive crude oil pipeline and 197 miles of inactive refined product pipeline.

(c) Includes approximately 87 miles and 17 miles of refined product pipelines in which MPLX has partial ownership of 65 percent and 50 percent, respectively.

(d) Refining logistics assets primarily include tankage. MPLX owns refining logistics assets at the Martinez Renewables joint venture facility with 5,914 mbbls of storage capacity associated with the facility and has entered into terminalling and storage service agreements with the joint venture and its partners to provide services for the facility.

The following table sets forth information regarding the crude oil and refined product pipeline systems which MPLX has an interest in through ownership of its equity method investments as of December 31, 2025.

						Diameter (inches)						Length (miles)						Ownership Percentage
Crude Oil Systems:
MarEn Bakken Company LLC(a)						30"						1,916						25		%
Minnesota Pipe Line Company LLC						16" - 24"						975						17		%
W2W Holdings LLC(b)						24" - 36"						652						50		%
Illinois Extension Pipeline Company LLC						24"						168						35		%
Andeavor Logistics Rio Pipeline LLC						12"						119						67		%
LOCAP LLC						48"						57						59		%
LOOP LLC						48"						48						41		%
Refined Product Systems:
Explorer Pipeline Company						10" - 28"						1,872						25		%

(a) The investment in MarEn Bakken Company LLC includes MPLX’s 9.19 percent indirect interest in a joint venture that owns and operates the Dakota Access Pipeline and Energy Transfer Crude Oil Pipeline projects (collectively referred to as the “Bakken Pipeline system”).

(b) The investment in W2W Holdings LLC includes MPLX’s 16 percent indirect interest in Wink to Webster Pipeline LLC.

The following table sets forth details about MPLX owned and operated terminals as of December 31, 2025. Additionally, MPLX has partial ownership interest in one terminal.

Owned and Operated Terminals						Number of Terminals						Tank Storage Capacity (mbbls)
Refined Products Terminals:
Alabama						2						443
Alaska						3						1,536
California						8						3,472
Florida						3						2,265
Georgia						4						952
Idaho						3						1,020
Illinois						2						562
Indiana						7						3,689
Kentucky						6						2,606
Louisiana						2						5,469
Michigan						8						2,440
Minnesota						1						13
New Mexico						2						467
North Carolina						3						1,343
North Dakota						1						—
Ohio						12						3,132
Pennsylvania						1						390
South Carolina						1						371
Tennessee						4						1,148
Texas						1						76
Utah						1						41
Washington						4						920
West Virginia						2						1,564
Subtotal light products terminals						81						33,919
Asphalt Terminals
Arizona						3						558
Minnesota						1						—
Nevada(a)						1						274
New Mexico						1						36
Texas						1						206
Subtotal asphalt terminals						7						1,074
Total owned and operated terminals						88						34,993

(a) MPLX accounts for this terminal as an equity method investment.

The following table sets forth details about MPLX barges and towboats as of December 31, 2025.

Class of Equipment						Number in Class						Capacity (mbbls)
Inland tank barges						320						8,655
Inland towboats						30						N/A

The following tables set forth certain information relating to MPLX’s consolidated and operated joint venture gas processing facilities, fractionation facilities, natural gas gathering systems, NGL pipelines and natural gas pipelines as of and for the year ended December 31, 2025.

Gas Processing Complexes						Design Throughput Capacity (MMcf/d)						Natural Gas Throughput (MMcf/d)(a)						Utilization of Design Capacity(a)
Marcellus Operations						6,520						6,123						94		%
Utica Operations						1,325						961						73		%
Southwest Operations(b)(c)						2,745						1,904						69		%
Southern Appalachia Operations						425						191						45		%
Bakken Operations(d)						185						159						86		%
Total						11,200						9,338						83		%

(a) Natural gas throughput is the average daily rate based on calendar days, irrespective of days in operation. The utilization of design capacity has been calculated using the weighted average design throughput capacity.

(b) The capacity presented above includes MPLX’s proportionate share of Centrahoma Processing LLC’s processing capacity of 550 MMcf/d, as MPLX owns a non-operating 40 percent interest in this joint venture. Actual throughput of 99 MMcf/d representing MPLX’s share of processed volumes is also included and used to compute the utilization presented above.

(c) The amounts presented above exclude Northwind Delaware Holdings LLC (“Northwind Midstream”) design throughput capacity and treated volumes.

(d) Includes volumes processed at third-party facilities in the Bakken.

Fractionation Facilities						Design Throughput Capacity (mbpd)						NGL Throughput (mbpd)(a)						Utilization of Design Capacity(a)
Marcellus Operations						413						343						83		%
Utica Operations(b)						—						—						—		%
Southern Appalachia Operations						24						11						46		%
Bakken Operations						33						14						42		%
Total						470						368						78		%

(a) NGL throughput is the average daily rate based on calendar days, irrespective of days in operation. The utilization of design capacity has been calculated using the weighted average design throughput capacity.

(b) MPLX operates a condensate stabilization facility with a capacity of 23 mbpd and 179 thousand barrels of condensate storage. Actual NGL throughput at this facility was 15 mbpd for the year ended December 31, 2025.

De-ethanization Facilities						Design Throughput Capacity (mbpd)						NGL Throughput (mbpd)(a)						Utilization of Design Capacity(a)
Marcellus Operations						309						267						86		%
Utica Operations						40						21						53		%
Total						349						288						83		%

(a) NGL throughput is the average daily rate based on calendar days, irrespective of days in operation. The utilization of design capacity has been calculated using the weighted average design throughput capacity.

Natural Gas Gathering Systems						Design Throughput Capacity (MMcf/d)						Natural Gas Throughput (MMcf/d)(a)						Utilization of Design Capacity(a)
Marcellus Operations						1,823						1,526						89		%
Utica Operations						3,923						2,672						68		%
Southwest Operations(b)						3,445						1,826						56		%
Bakken Operations						239						160						67		%
Total						9,430						6,184						68		%

(a) Natural gas throughput is the average daily rate based on calendar days, irrespective of days in operation. The utilization of design capacity has been calculated using the weighted average design throughput capacity.

The following table sets forth certain information relating to MPLX’s NGL pipelines as of December 31, 2025.

NGL Pipelines						Diameter (inches)						Length (miles)
Marcellus Operations						6"- 20"						442
Utica Operations						4" - 20"						185
Southern Appalachia Operations						6" - 8"						140
Southwest Operations(a)						4" - 20"						530
Bakken Operations						6" - 12"						104
Total												1,401

(a) Includes the BANGL Pipeline system, which also owns a 50 percent undivided joint interest in a 323 mile NGL pipeline.

In addition to the MPLX-operated equity method investments included in the above tables, MPLX also has ownership interests in natural gas and NGL pipeline systems through the following entities:

						Diameter (inches)						Length (miles)						Ownership Percentage
Natural Gas Pipelines:
Delaware Basin Residue, LLC(a)						10" - 42"						298						10		%
MXP Parent, LLC(b)						36" - 42"						580						10		%
WPC Parent, LLC(c)						36" - 42"						541						30		%
NGL Pipelines:
Panola Pipeline Company, LLC						8" - 20"						253						15		%

(a) Includes Agua Blanca Pipeline and Carlsbad Gateway Pipeline.

(b) Includes Matterhorn Express Pipeline.

(c) Includes MPLX’s indirect interest in Whistler Pipeline as well as its 70 percent indirect ownership in the ADCC Pipeline lateral. Also includes MPLX’s 50 percent indirect interest in Waha Gas Storage, which primarily owns natural gas storage facilities.

MIDSTREAM - MPC-RETAINED ASSETS AND INVESTMENTS

The following table sets forth certain information relating to our crude oil and refined products pipeline systems not owned by MPLX.

As of December 31, 2025, we had partial ownership interests in the following pipeline companies.

Pipeline Company									Diameter (inches)						Length (miles)						Ownership Interest						Operated by MPL
Crude oil pipeline companies:
Capline Pipeline Company LLC									40”						644						33		%				Yes
Gray Oak Pipeline, LLC									8” - 30”						845						25		%				No
LOOP(a)									48”						48						10		%				No
Total															1,489
Refined products pipeline companies:
Ascension Pipeline Company LLC									12”						34						50		%				No
Centennial Pipeline LLC(b)									24” - 26”						793						50		%				Yes
Muskegon Pipeline LLC									10” - 12”						170						60		%				Yes
Wolverine Pipe Line Company									6” - 18”						798						6		%				No
Total															1,795

(a) Represents interest retained by MPC and excludes MPLX’s 41 percent ownership interest in LOOP. Pipeline mileage is excluded from total as it is included with MPLX assets.

(b) All system pipeline miles are inactive.

The following table sets forth details about our ocean vessels as of December 31, 2025.

Class of Equipment						Number in Class						Capacity (mbbls)
Jones Act medium range product tankers						4						1,320
Jones Act 750 Series ATB vessels						3						990

RENEWABLE DIESEL

Our Dickinson, North Dakota, renewables facility has the capacity to produce 184 million gallons per year of renewable diesel from corn oil, soybean oil, fats and greases. The Martinez, California renewable diesel facility has the capacity to produce 730 million gallons per year.

Our Green Bison Soy Processing, LLC joint venture with ADM includes a facility in Spiritwood, North Dakota, which has capacity to produce approximately 600 million pounds of refined soybean oil annually, enough feedstock for approximately 75 million gallons of renewable diesel per year.

We own a feedstock aggregation facility in Cincinnati, Ohio and a pre-treatment facility in Beatrice, Nebraska. These facilities supply renewable agricultural feedstocks to our Dickinson and Martinez facilities.