---
schema_version: "secwatch.filing_event.v1"
accession: "0001552000-21-000039"
form_type: "8-K"
ticker: "MPLX"
cik: "0001552000"
company_name: "MPLX LP"
filed_at: "2021-11-02T23:59:59+00:00"
generated_at: "2026-06-28T15:07:12.331347+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MPLX Q3 net income $802M, adj. EBITDA $1.389B, distribution increase and special payout

## Summary
- Net income attributable to MPLX $802M vs $665M YoY; adjusted EBITDA $1.389B vs $1.335B.
- Declared Q3 distribution of $1.28/unit ($0.705 base plus $0.575 special), base up 2.5% from Q2.
- Generated $1.182B operating cash flow, $1.191B distributable cash flow, 1.61x adjusted coverage, 3.7x leverage.
- L&S segment throughput 5.5M bpd (+17% YoY), avg tariff $0.90/bbl; G&P adj. EBITDA $485M.
- Strategic alternatives for Alaska logistics ops; Whistler Pipeline (38% stake) placed in service July 2021.

## SEC filing metadata
- accession: 0001552000-21-000039
- form_type: 8-K
- ticker: MPLX
- cik: 0001552000
- company_name: MPLX LP
- filed_at: 2021-11-02T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1552000/000155200021000039/0001552000-21-000039-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1552000/000155200021000039/mplx-20211102.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001552000-21-000039
- JSON: https://secwatch.observer/filing/0001552000-21-000039.json
- Plain text: https://secwatch.observer/filing/0001552000-21-000039.txt

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