---
schema_version: "secwatch.filing_event.v1"
accession: "0001552000-22-000021"
form_type: "8-K"
ticker: "MPLX"
cik: "0001552000"
company_name: "MPLX LP"
filed_at: "2022-07-07T23:59:59+00:00"
generated_at: "2026-06-24T19:35:10.785697+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# MPLX extends pipeline transportation services agreements through 2032 with Marathon Petroleum affiliates

## Summary
- Master Amendment extends six transportation services agreements to 2032, with two automatic five-year renewal options.
- Agreements cover crude and products pipelines: Patoka to Lima, Catlettsburg, Detroit, Garyville, ORPL, and Robinson systems.
- Marathon Petroleum subsidiaries (MPC LP, MPST) are shippers; MPL and ORPL are MPLX subsidiaries.
- No financial terms or monetary impact disclosed in the filing.

## SEC filing metadata
- accession: 0001552000-22-000021
- form_type: 8-K
- ticker: MPLX
- cik: 0001552000
- company_name: MPLX LP
- filed_at: 2022-07-07T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1552000/000155200022000021/0001552000-22-000021-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1552000/000155200022000021/mplx-20220630.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001552000-22-000021
- JSON: https://secwatch.observer/filing/0001552000-22-000021.json
- Plain text: https://secwatch.observer/filing/0001552000-22-000021.txt

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