---
schema_version: "secwatch.filing_event.v1"
accession: "0001510295-22-000054"
form_type: "8-K"
ticker: "MPC"
cik: "0001510295"
company_name: "Marathon Petroleum Corp"
filed_at: "2022-07-12T23:59:59+00:00"
generated_at: "2026-06-24T16:39:04.066071+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# MPC and MPLX enter new $5B and $2B revolvers; MPLX facility cut by $1.5B

## Summary
- MPC entered $5.0B unsecured revolver due July 2027, replacing prior $5.0B 2018 facility.
- MPLX entered $2.0B unsecured revolver due July 2027, replacing prior $3.5B 2019 facility ($1.5B reduction).
- Both facilities priced at SOFR+100-175bps (currently 125bps) with 10-25bps commitment fees.
- MPC includes $250M swingline and $2.2B LC sublimit; MPLX includes $150M swingline and $150M LC sublimit.
- MPC covenant: net debt to capitalization ≤65%; MPLX covenant: debt/EBITDA ≤5.0x (5.5x during acquisitions).

## SEC filing metadata
- accession: 0001510295-22-000054
- form_type: 8-K
- ticker: MPC
- cik: 0001510295
- company_name: Marathon Petroleum Corp
- filed_at: 2022-07-12T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 1.02, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1510295/000151029522000054/0001510295-22-000054-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1510295/000151029522000054/mpc-20220707.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001510295-22-000054
- JSON: https://secwatch.observer/filing/0001510295-22-000054.json
- Plain text: https://secwatch.observer/filing/0001510295-22-000054.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.