--- schema_version: "secwatch.filing_event.v1" accession: "0001510295-26-000029" form_type: "8-K" ticker: "MPC" cik: "0001510295" company_name: "Marathon Petroleum Corp" filed_at: "2026-04-13T23:59:59+00:00" generated_at: "2026-05-15T06:34:40.543410+00:00" event_type: "debt" sentiment: "neutral" materiality_score: 0.5 calibrated_materiality_score: 0.5 confidence: "high" source: SEC EDGAR --- # Marathon Petroleum enters $5B revolver; MPLX $2.5B; no borrowings outstanding ## Summary - MPC signed a $5.0B five-year unsecured revolver maturing April 2031, replacing the 2022 facility; no borrowings outstanding. - MPLX signed a $2.5B five-year unsecured revolver maturing April 2031, up from the prior $2.0B facility; no borrowings outstanding. - Preliminary cash as of Mar 31: MPC had $2.2B total ($1.5B at MPLX); MPLX standalone cash $1.5B. - MPC can upsize commitments by $1B and MPLX by $1B; both facilities include subfacilities for swing-line loans and letters of credit. ## SEC filing metadata - accession: 0001510295-26-000029 - form_type: 8-K - ticker: MPC - cik: 0001510295 - company_name: Marathon Petroleum Corp - filed_at: 2026-04-13T23:59:59+00:00 - event_type: debt - sentiment: neutral - materiality_score: 0.5 - calibrated_materiality_score: 0.5 - confidence: high - sec_items: 1.01, 1.02, 2.02, 2.03, 9.01 - EDGAR index: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000029/0001510295-26-000029-index.htm - EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000029/mpc-20260407.htm ## Machine-readable alternates - HTML: https://secwatch.observer/filing/0001510295-26-000029 - JSON: https://secwatch.observer/filing/0001510295-26-000029.json - Plain text: https://secwatch.observer/filing/0001510295-26-000029.txt ## Source-grounded claims - claim_id: 2f4c427b5f235528dcf532068ea33085f4f4e9d1 claim: Marathon Petroleum Corp incurred revolving credit of $5.0 billion with MPC, as borrower; JPMorgan Chase Bank, N.A., as administrative agent; Wells Fargo Securities, LLC, Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Markets, Sumitomo Mitsui Banking Corporation and TD Securities (USA) LL at at MPC's election, (i) Term SOFR plus applicable margin (depending on credit rat maturing April 7, 2031. evidence_excerpt: On April 7, 2026, Marathon Petroleum Corporation, a Delaware corporation (“MPC”), entered into a $5.0 billion, five-year Revolving Credit Agreement with JPMorgan Chase Bank, N.A., as administrative agent, each of JPMorgan Chase Bank, N.A., Wells Fargo Securities, LLC, Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Markets, Sumitomo Mitsui Banking Corporation and TD Securities (USA) LLC, as joint lead arrangers and joint bookrunners, Wells Fargo Bank, National Association, as syndication agent, each of Bank of America, N.A., Barclays Bank PLC, Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., Royal Bank of Canada, Sumitomo Mitsui Banking Corporation and The Toronto-Dominion Bank, New York Branch, as documentation agents, and the other lenders and issuing banks that are parties thereto (the “New MPC Credit Agreement”). evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000029/0001510295-26-000029-index.htm - claim_id: b8bf698361b27aba11bc5de246922735fba9c7a0 claim: Marathon Petroleum Corp reported preliminary financial results for the quarter ended March 31, 2026. evidence_excerpt: Item 2.02 Results of Operations and Financial Condition. The information set forth in Item 1.01 of this Current Report on Form 8-K with respect to MPC’s preliminary estimate of its cash and cash equivalents as of March 31, 2026, is incorporated herein by reference. Such information is unaudited and preliminary and does not present all information necessary for an understanding of the MPC’s results of operations for the quarter ended March 31, 2026. evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000029/0001510295-26-000029-index.htm - claim_id: 576b60a36974c4cc30cd3750717554950d068ee0 claim: Marathon Petroleum Corp terminated 2022 MPC Credit Agreement (effective 2026-04-07). evidence_excerpt: The New MPC Credit Agreement replaces the previously effective 2022 MPC Credit Agreement (as defined below) and is intended to be used for general corporate purposes. evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000029/0001510295-26-000029-index.htm - claim_id: 720473a88a6b479d5fa54c08bd3750274674277c claim: Marathon Petroleum Corp terminated 2022 MPLX Credit Agreement (effective 2026-04-07). evidence_excerpt: The New MPLX Credit Agreement replaces the previously effective 2022 MPLX Credit Agreement (as defined below) and is intended to be used for general partnership purposes. evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000029/0001510295-26-000029-index.htm - claim_id: cd1d49852ccb528e231a980dd10e36c8c3d01172 claim: Marathon Petroleum Corp entered into New MPC Credit Agreement with JPMorgan Chase Bank, N.A., as administrative agent, each of JPMorgan Chase Bank, N.A., Wells Fargo Securities, LLC, Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Markets, Sumitomo Mitsui Banking Corporation and TD Se valued at $5.0 billion (effective 2026-04-07). evidence_excerpt: MPC Credit Agreement On April 7, 2026, Marathon Petroleum Corporation, a Delaware corporation (“MPC”), entered into a $5.0 billion, five-year Revolving Credit Agreement with JPMorgan Chase Bank, N.A., as administrative agent, each of JPMorgan Chase Bank, N.A., Wells Fargo Securities, LLC, Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Markets, Sumitomo Mitsui Banking Corporation and TD Securities (USA) LLC, as joint lead arrangers and joint bookrunners, Wells Fargo Bank, National Association, as syndication agent, each of Bank of America, N.A., Barclays Bank PLC, Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., Royal Bank of Canada, Sumitomo Mitsui Banking Corporation and The Toronto-Dominion Bank, New York Branch, as documentation agents, and the other lenders and issuing banks that are parties thereto (the “New MPC Credit Agreement”). evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000029/0001510295-26-000029-index.htm - claim_id: f9e8957ea1255913c42dcc2071def868d06936ee claim: Marathon Petroleum Corp entered into New MPLX Credit Agreement with Wells Fargo Bank, National Association, as administrative agent, each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Markets, Sumitomo Mitsui Banking Corporat valued at $2.5 billion (effective 2026-04-07). evidence_excerpt: MPLX Credit Agreement On April 7, 2026, MPLX LP, a Delaware master limited partnership sponsored by MPC (“MPLX”), entered into a $2.5 billion, five- year Revolving Credit Agreement with Wells Fargo Bank, National Association, as administrative agent, each of Wells Fargo Securities, LLC, JPMorgan Chase Bank, N.A., Barclays Bank PLC, BofA Securities, Inc., Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., RBC Capital Markets, Sumitomo Mitsui Banking Corporation and TD Securities (USA) LLC, as joint lead arrangers and joint bookrunners, JPMorgan Chase Bank, N.A., as syndication agent, each of Bank of America, N.A., Barclays Bank PLC, Citibank, N.A., Goldman Sachs Bank USA, Mizuho Bank, Ltd., MUFG Bank, Ltd., Royal Bank of Canada, Sumitomo Mitsui Banking Corporation and The Toronto-Dominion Bank, New York Branch, as documentation agents, and the other lenders and issuing banks that are parties thereto (the “New MPLX Credit Agreement”). evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000029/0001510295-26-000029-index.htm This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.