---
schema_version: "secwatch.filing_event.v1"
accession: "0001510295-23-000067"
form_type: "8-K"
ticker: "MPC"
cik: "0001510295"
company_name: "Marathon Petroleum Corp"
filed_at: "2023-08-01T23:59:59+00:00"
generated_at: "2026-06-12T17:55:12.976881+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Marathon Petroleum Q2 net income $2.2B, adj. EBITDA $4.5B; returned $3.4B

## Summary
- Net income attributable to MPC of $2.2B ($5.32 diluted EPS) vs $5.9B ($10.95) in Q2 2022.
- Adjusted EBITDA of $4.5B, down from $9.1B YoY; R&M segment drove decline on lower margins.
- Net cash from operations $4.0B; returned $3.4B via $3.1B buybacks and $316M dividends.
- Midstream adj. EBITDA grew to $1.53B from $1.46B on higher throughputs and rates.
- Q3 2023 outlook: throughput ~2.93M bpd, turnaround costs $120M, operating costs $5.10/bbl.

## SEC filing metadata
- accession: 0001510295-23-000067
- form_type: 8-K
- ticker: MPC
- cik: 0001510295
- company_name: Marathon Petroleum Corp
- filed_at: 2023-08-01T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- 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/1510295/000151029523000067/0001510295-23-000067-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000067/mpc-20230801.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001510295-23-000067
- JSON: https://secwatch.observer/filing/0001510295-23-000067.json
- Plain text: https://secwatch.observer/filing/0001510295-23-000067.txt

## Key facts
- Earnings Releases
  Marathon Petroleum Corp reported second quarter of 2023 results: net income net income attributable to MPC of $2.2 billion, EPS $5.32 per diluted share.
  - Period: second quarter of 2023
  - Net income: net income attributable to MPC of $2.2 billion
  - EPS: $5.32 per diluted share
  - Result: reported results
  source text: Marathon Petroleum Corp. (NYSE: MPC) today reported net income attributable to MPC of $2.2 billion, or $5.32 per diluted share, for the second quarter of 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000067/0001510295-23-000067-index.htm

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