---
schema_version: "secwatch.filing_event.v1"
accession: "0001282637-25-000002"
form_type: "8-K"
ticker: "NEU"
cik: "0001282637"
company_name: "NEWMARKET CORP"
filed_at: "2025-02-03T23:59:59+00:00"
generated_at: "2026-05-27T03:55:21.600944+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# NewMarket FY2024 net income $462M, EPS $48.22; petroleum additives op profit up 15% to $592M

## Summary
- Full year 2024 net income $462.4M ($48.22 EPS) vs $388.9M ($40.44 EPS) in 2023.
- Petroleum additives segment operating profit $591.9M, up 15% from $514.4M, driven by lower costs.
- Specialty materials (AMPAC) full year sales $141.2M, operating profit $17.5M, surpassing pre-acquisition expectations.
- Debt reduced $373M since AMPAC acquisition; Net Debt/EBITDA 1.2, below target range.
- Q4 net income $110.7M ($11.56 EPS) vs $80.4M ($8.38 EPS) a year ago.

## SEC filing metadata
- accession: 0001282637-25-000002
- form_type: 8-K
- ticker: NEU
- cik: 0001282637
- company_name: NEWMARKET CORP
- filed_at: 2025-02-03T23:59:59+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/1282637/000128263725000002/0001282637-25-000002-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1282637/000128263725000002/neu-20250203.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001282637-25-000002
- JSON: https://secwatch.observer/filing/0001282637-25-000002.json
- Plain text: https://secwatch.observer/filing/0001282637-25-000002.txt

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