---
schema_version: "secwatch.filing_event.v1"
accession: "0001552000-22-000029"
form_type: "8-K"
ticker: "MPLX"
cik: "0001552000"
company_name: "MPLX LP"
filed_at: "2022-07-12T23:59:59+00:00"
generated_at: "2026-06-24T16:40:38.302630+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# MPLX LP enters $2.0B five-year revolving credit facility, replaces $3.5B prior agreement

## Summary
- $2.0B unsecured revolver matures July 7, 2027; optional $1.0B accordion feature.
- Replaces and terminates the prior $3.5B credit agreement dated July 26, 2019.
- Pricing: SOFR +125bps (currently) or ABR +25bps; commitment fee 15bps on unused commitments.
- Leverage ratio covenant: Consolidated Debt/EBITDA ≤5.0x (5.5x during Acquisition Period).
- Swingline subfacility $150M, letter of credit subfacility $150M (expandable to $200M).

## SEC filing metadata
- accession: 0001552000-22-000029
- form_type: 8-K
- ticker: MPLX
- cik: 0001552000
- company_name: MPLX LP
- filed_at: 2022-07-12T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 1.02, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1552000/000155200022000029/0001552000-22-000029-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1552000/000155200022000029/mplx-20220707.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001552000-22-000029
- JSON: https://secwatch.observer/filing/0001552000-22-000029.json
- Plain text: https://secwatch.observer/filing/0001552000-22-000029.txt

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