{
  "schemaVersion": 1,
  "organisationId": "O-608904c1a2d44a069dd8830c6eda97ee",
  "slug": "mplx-lp",
  "name": "MPLX LP",
  "updatedAt": "2026-03-19T06:01:34.114104Z",
  "sections": [
    {
      "type": "OVERVIEW",
      "text": "MPLX LP is a diversified master limited partnership in the U.S. midstream energy sector that owns and operates energy infrastructure and logistics assets. Its business is organized around two core segments: Crude Oil and Products Logistics, which handles the gathering, transportation, storage and distribution of crude oil, refined products, other hydrocarbon-based products and renewables; and Natural Gas and NGL Services, which gathers, processes and transports natural gas and transports, fractionates, stores and markets natural gas liquids. The company’s asset base is positioned throughout the United States, with exposure to major producing regions including the Marcellus, Permian, Utica, STACK and Bakken. [P-3e885bbadd4f46bebf5f8bae5bb9e081][P-bbd026fbf89642f6bb1d699090872799][P-ed93e95cd5ee44c2862c2852bb9f8204][P-305833c98ad640c180ee4ddd5af93276]\n\nAt a high level, MPLX’s role is to provide fee-based midstream services that connect hydrocarbon production, processing, storage and end markets. Its stated strategic focus is on growing fee-based services through long-term contracts, achieving operational excellence by reducing costs, generating cash flow in excess of capital spending and distributions, and operating its assets safely and reliably. As a size indicator, MPLX reported $11.933 billion of total revenues and other income in 2024, underscoring its scale as a large U.S. midstream operator. [P-8b3453c4231b49c19f6e72ec94e2c1cb][P-f998dd0b877c4a1e8e96f78619fd333e][P-712c9632570340dc8b3f2501fe602335][P-754e4edb377c4ee5a635a068bda5b571][T-24ebf572373b4800be086dec1983da4a]\n[P-3e885bbadd4f46bebf5f8bae5bb9e081][P-bbd026fbf89642f6bb1d699090872799][P-ed93e95cd5ee44c2862c2852bb9f8204][P-305833c98ad640c180ee4ddd5af93276][P-8b3453c4231b49c19f6e72ec94e2c1cb][P-f998dd0b877c4a1e8e96f78619fd333e][P-712c9632570340dc8b3f2501fe602335][P-754e4edb377c4ee5a635a068bda5b571][T-24ebf572373b4800be086dec1983da4a]",
      "updatedAt": "2026-03-19T06:01:34.114104Z"
    },
    {
      "type": "PRODUCTS",
      "text": "MPLX LP’s products and services are primarily fee-based midstream logistics offerings for crude oil, refined products, other hydrocarbon-based products, and renewables. In its Crude Oil and Products Logistics business, the partnership charges tariffs for gathering and transporting these products through pipelines and barge docks, fees for storage services, fees under marine capacity contracts, and fees for fuels distribution services tied to product scheduling and marketing; it also earns operating fees for crude oil and refined product pipelines it operates for affiliated or jointly owned systems. [P-a222088b5f314f229f2754931bbb3a7a] Its marine fleet transports light products, heavy oils, crude oil, renewable fuels, chemicals, and feedstocks, and it operates a full-service marine repair facility on the Ohio River for towboats, barges, and terminal maintenance. [P-65617bf6781245bd9e6f903c92dd8de3] MPLX’s liquid logistics asset base includes 88 terminals, consisting of 81 refined-product terminals and 7 asphalt terminals, with 35,045 mbbl of tank shell capacity. [T-20b3e458821b4775a9534abbd92ecfc3] It also operates 31 barge docks with 4,893 mbpd of capacity, 8 storage caverns with 3,632 mbbl of storage, 32 tank farms with 33,718 mbbl of storage, and a renewable fuels rail loading hub in North Dakota with 180 mbbl of storage; refining logistics assets at the Martinez Renewable Fuels joint venture add 5,914 mbbl of associated storage capacity. [P-3600757e62e5407580d0238df2b13b6b][P-9ed203ea5356415e84cf1082da609e82] In 2024, this business moved 3,785 mbpd of crude oil and 1,997 mbpd of refined products, and handled terminal throughput of 3,131 mbpd. [T-b2b0a7ed74da40fbb90049f843426681]\n\nMPLX’s Natural Gas and NGL Services offerings cover the full chain from wellhead gathering to downstream NGL handling. The segment gathers, processes, and transports natural gas, and transports, fractionates, stores, and markets NGLs. [P-ed93e95cd5ee44c2862c2852bb9f8204] As of year-end 2024, the segment had about 10.2 Bcf/d of gas gathering capacity, 12.4 Bcf/d of natural gas processing capacity, 829 mbpd of fractionation and de-ethanization capacity, and approximately 1,045 miles of NGL pipelines. [P-ed93e95cd5ee44c2862c2852bb9f8204] In 2024, operated gathering throughput was 6,579 MMcf/d, operated processing throughput was 9,663 MMcf/d, and operated C2+ NGL fractionation throughput was 654 mbpd. [T-aaf4e7c9ff6d4d228348e13d405291ba] MPLX’s fractionation system includes the Hopedale fractionation complex, and its 2024 facilities supported total C3+ fractionation design capacity of 475 mbpd and total de-ethanization design capacity of 354 mbpd. [P-a1ad9be4faf24f14997ecb0541a9833f][T-55baf8787300447fa37efedf3b22e85b][T-512f9399203a4df6b937788653e452b9] The company also operates a condensate stabilization facility with 23 mbpd of capacity and 77 thousand barrels of condensate storage, along with above-ground and underground NGL storage facilities, including 1,333 thousand barrels of above-ground NGL storage at certain complexes and, in one region, 48 thousand barrels of pressurized storage plus 238 thousand barrels of underground storage. [P-861d5a42823148179ebe141bcc5843bb][P-6bdd76c43ebd4ca8a768950c4c1e0fc0][P-8acd6503ef084ba8bd78191109d9da4c]\n\nBy 2024 segment results, Crude Oil and Products Logistics accounted for about 53% of MPLX’s segment revenues and other income ($6.339 billion of $11.933 billion) and about 65% of segment adjusted EBITDA ($4.375 billion of $6.764 billion), while Natural Gas and NGL Services accounted for about 47% of segment revenues and about 35% of segment adjusted EBITDA. [T-3a488bcd37e34c8b85392665d5608c0d]\n[P-a222088b5f314f229f2754931bbb3a7a][P-65617bf6781245bd9e6f903c92dd8de3][T-20b3e458821b4775a9534abbd92ecfc3][P-3600757e62e5407580d0238df2b13b6b][P-9ed203ea5356415e84cf1082da609e82][T-b2b0a7ed74da40fbb90049f843426681][P-ed93e95cd5ee44c2862c2852bb9f8204][T-aaf4e7c9ff6d4d228348e13d405291ba][P-a1ad9be4faf24f14997ecb0541a9833f][T-55baf8787300447fa37efedf3b22e85b][T-512f9399203a4df6b937788653e452b9][P-861d5a42823148179ebe141bcc5843bb][P-6bdd76c43ebd4ca8a768950c4c1e0fc0][P-8acd6503ef084ba8bd78191109d9da4c][T-3a488bcd37e34c8b85392665d5608c0d]",
      "updatedAt": "2026-03-19T06:01:34.114104Z"
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    {
      "type": "GEOGRAPHY",
      "text": "MPLX’s asset base is positioned throughout the United States, with principal executive offices in Findlay, Ohio. Its crude oil and products logistics footprint is tied to Marathon Petroleum’s refining and logistics network across the Gulf Coast, Mid-Continent and West Coast, and its crude supply system connects major hubs and producing areas including Cushing, Western Canada, Wyoming, North Dakota, the Gulf Coast and Patoka, Illinois. [P-3e885bbadd4f46bebf5f8bae5bb9e081][P-a6dd779579084316a563b3f95b8781cd][P-31e52a7a7ba5486b977bbadef039ee71][P-0bb251424398427cb92bc322b1d92c4f]\n\nThe company reports 88 terminals, including 81 refined-product terminals and 7 asphalt terminals, with terminal locations spanning Alabama, Alaska, California, Florida, Georgia, Idaho, Illinois, Indiana, Kentucky, Louisiana, Michigan, Minnesota, New Mexico, North Carolina, North Dakota, Ohio, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Washington and West Virginia. MPLX also has 32 tank farms and 8 storage caverns, plus a renewable fuels rail hub in North Dakota and water pipeline systems in North Dakota and Wyoming. Its marine operations serve the Mid-Continent and Gulf Coast regions, and it also operates a marine repair facility on the Ohio River. [T-20b3e458821b4775a9534abbd92ecfc3][P-98a73927182c4c329548c0025d7aeb37][P-b787abd9840b4306ae113c82180a6b5e]\n\nIn natural gas and NGLs, MPLX’s operating footprint is organized around the Marcellus, Utica, Southwest, Southern Appalachia, Bakken and Rockies regions. Gathering capacity is reported in Marcellus, Utica, Southwest, Bakken and Rockies; processing capacity in Marcellus, Utica, Southwest, Southern Appalachia, Bakken and Rockies; and fractionation and NGL pipeline capacity across Appalachia, Bakken and Rockies, with additional interests in systems such as Delaware Basin Residue, Matterhorn Express, Whistler, the ADCC lateral and Waha Gas Storage. Region-specific sales concentration disclosed in the filing includes one Southwest-region customer representing about 16% of Natural Gas and NGL Services segment revenue, while two Marcellus-region customers were also significant. [P-ed93e95cd5ee44c2862c2852bb9f8204][T-46204ff86f9a4270a77db849d7928ba4][T-fe27c7df9bff426ebf604e6378a4c9eb][T-55baf8787300447fa37efedf3b22e85b][T-bfdf9340b0a34042bdca0cdfd7d4262e][T-32320c3e9de24871a452b38b6ca8ee1f][P-13cc628a3476415ab77eb18db6d3a12a]\n[P-3e885bbadd4f46bebf5f8bae5bb9e081][P-a6dd779579084316a563b3f95b8781cd][P-31e52a7a7ba5486b977bbadef039ee71][P-0bb251424398427cb92bc322b1d92c4f][T-20b3e458821b4775a9534abbd92ecfc3][P-98a73927182c4c329548c0025d7aeb37][P-b787abd9840b4306ae113c82180a6b5e][P-ed93e95cd5ee44c2862c2852bb9f8204][T-46204ff86f9a4270a77db849d7928ba4][T-fe27c7df9bff426ebf604e6378a4c9eb][T-55baf8787300447fa37efedf3b22e85b][T-bfdf9340b0a34042bdca0cdfd7d4262e][T-32320c3e9de24871a452b38b6ca8ee1f][P-13cc628a3476415ab77eb18db6d3a12a]",
      "updatedAt": "2026-03-19T06:01:34.114104Z"
    },
    {
      "type": "SEGMENTS",
      "text": "MPLX reports two reportable segments. In the fourth quarter of 2024, it recast prior periods and renamed its legacy Logistics and Storage segment as Crude Oil and Products Logistics, and its legacy Gathering and Processing segment as Natural Gas and NGL Services. Crude Oil and Products Logistics focuses on gathering, transporting, storing and distributing crude oil, refined products, other hydrocarbon-based products and renewables, and also includes refining logistics, fuels distribution, inland marine operations, terminals, rail facilities and storage caverns. Natural Gas and NGL Services focuses on gathering, processing and transporting natural gas, and transporting, fractionating, storing and marketing NGLs. [P-334d5f854adb4d558dd896eb4072bf36][P-e95de0ef91be41489f5e5f4cf63a3bf1][P-ac0e97c626164351a010694a41c1f620]\n\nManagement evaluates these segments using Segment Adjusted EBITDA. On that basis, in 2024 Crude Oil and Products Logistics contributed about 65% of total segment EBITDA ($4,375 million of $6,764 million), while Natural Gas and NGL Services contributed about 35% ($2,389 million of $6,764 million). Using segment revenues and other income, the mix was more balanced: Crude Oil and Products Logistics represented about 53% ($6,339 million of $11,933 million) and Natural Gas and NGL Services about 47% ($5,594 million of $11,933 million). [P-9cf94003504d493f878f27a71dbc3d3a][T-3a488bcd37e34c8b85392665d5608c0d]\n[P-334d5f854adb4d558dd896eb4072bf36][P-e95de0ef91be41489f5e5f4cf63a3bf1][P-ac0e97c626164351a010694a41c1f620][P-9cf94003504d493f878f27a71dbc3d3a][T-3a488bcd37e34c8b85392665d5608c0d]",
      "updatedAt": "2026-03-19T06:01:34.114104Z"
    },
    {
      "type": "HISTORY",
      "text": "MPLX LP was formed by Marathon Petroleum Corporation in 2012, and it entered the public markets in October 2012 when it priced its initial public offering and began trading on the NYSE under the ticker MPLX. [P-3e885bbadd4f46bebf5f8bae5bb9e081][https://ir.mplx.com/CorporateProfile/press-releases/news-details/2012/MPLX-LP-Announces-Pricing-of-Initial-Public-Offering-of-Common-Units/default.aspx]\n\nA major turning point came in 2015, when MPLX agreed to combine with MarkWest Energy Partners and completed the transaction in December of that year. The deal materially expanded MPLX beyond its original logistics base and transformed it into a larger, more diversified midstream partnership with a significant natural gas processing and fractionation business. [https://ir.mplx.com/CorporateProfile/press-releases/news-details/2015/MPLX-LP-and-MarkWest-Energy-Partners-LP-Announce-Strategic-Combination-Creating-Fourth-Largest-MLP/default.aspx][https://www.sec.gov/Archives/edgar/data/1552000/000155200015000119/ex991mplxandmarkwestnewsre.htm][P-978b4e16f3f544a98519f956f2bc764f]\n\nMPLX underwent another important structural change in 2017 and 2018, when Marathon agreed to exchange its general partner economic interests and incentive distribution rights for MPLX common units, while also contributing refining logistics assets and fuels distribution services; those strategic transactions closed in February 2018 and simplified the partnership’s structure while enlarging its asset base. [https://ir.marathonpetroleum.com/investor/news-releases/news-details/2017/Marathon-Petroleum-Corp-and-MPLX-LP-announce-agreement-to-exchange-MPCs-general-partner-economic-interests-including-IDRs-for-MPLX-common-units/default.aspx][https://www.prnewswire.com/news-releases/marathon-petroleum-corp-and-mplx-lp-closing-on-strategic-transactions-300591814.html]\n\nIn 2019, MPLX completed its acquisition of Andeavor Logistics, another major scale-building transaction that further broadened its geographic reach and asset portfolio. [https://www.prnewswire.com/news-releases/mplx-completes-acquisition-of-andeavor-logistics-300893108.html][P-585b9d4c770b4e6f927aff3a94fc5a5e]\n[P-3e885bbadd4f46bebf5f8bae5bb9e081][P-978b4e16f3f544a98519f956f2bc764f][P-585b9d4c770b4e6f927aff3a94fc5a5e][https://ir.mplx.com/CorporateProfile/press-releases/news-details/2012/MPLX-LP-Announces-Pricing-of-Initial-Public-Offering-of-Common-Units/default.aspx][https://ir.mplx.com/CorporateProfile/press-releases/news-details/2015/MPLX-LP-and-MarkWest-Energy-Partners-LP-Announce-Strategic-Combination-Creating-Fourth-Largest-MLP/default.aspx][https://www.sec.gov/Archives/edgar/data/1552000/000155200015000119/ex991mplxandmarkwestnewsre.htm][https://ir.marathonpetroleum.com/investor/news-releases/news-details/2017/Marathon-Petroleum-Corp-and-MPLX-LP-announce-agreement-to-exchange-MPCs-general-partner-economic-interests-including-IDRs-for-MPLX-common-units/default.aspx][https://www.prnewswire.com/news-releases/marathon-petroleum-corp-and-mplx-lp-closing-on-strategic-transactions-300591814.html][https://www.prnewswire.com/news-releases/mplx-completes-acquisition-of-andeavor-logistics-300893108.html]",
      "updatedAt": "2026-03-19T06:01:34.114104Z"
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