secwatch.observer — SEC 8-K summary ====================================== Issuer: Marathon Petroleum Corp (MPC) CIK: 0001510295 Form: 8-K Filed at: 2026-04-13T23:59:59+00:00 Accession: 0001510295-26-000029 Event type: debt Sentiment: neutral Materiality: 0.50 Item codes: 1.01, 1.02, 2.02, 2.03, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Marathon Petroleum enters $5B revolver; MPLX $2.5B; no borrowings outstanding ----------------------------------------------------------------------------- - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000029/0001510295-26-000029-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000029/mpc-20260407.htm HTML page: https://secwatch.observer/filing/0001510295-26-000029 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer