---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-014865"
form_type: "8-K"
ticker: "KALU"
cik: "0000811596"
company_name: "KAISER ALUMINUM CORP"
filed_at: "2023-04-26T23:59:59+00:00"
generated_at: "2026-06-16T14:34:35.881594+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Kaiser Aluminum Q1 net sales $808M, conversion rev $369M, adj. EBITDA $47M; aerospace strength

## Summary
- Q1 net sales $808M (-15% YoY); conversion revenue $369M (+4% YoY). Net income $16M ($0.99 GAAP EPS).
- Adjusted net income $7M ($0.42 adj. EPS); adjusted EBITDA $47M (12.7% margin) vs $52M (14.8%) in Q1 2022.
- Aerospace/high strength conversion revenue up 39% YoY on 28% shipment increase; packaging conversion rev down 8% on destocking.
- Dividend of $0.77/share declared, payable May 15; 2023 capex guidance $170M-$190M, focused on Warrick expansion.
- Q2 outlook: adj. EBITDA margin flat to slightly higher; expects aerospace recovery to continue but packaging destocking persists.

## SEC filing metadata
- accession: 0000950170-23-014865
- form_type: 8-K
- ticker: KALU
- cik: 0000811596
- company_name: KAISER ALUMINUM CORP
- filed_at: 2023-04-26T23:59:59+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/811596/000095017023014865/0000950170-23-014865-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/811596/000095017023014865/kalu-20230426.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-014865
- JSON: https://secwatch.observer/filing/0000950170-23-014865.json
- Plain text: https://secwatch.observer/filing/0000950170-23-014865.txt

## Key facts
- Earnings Releases
  KAISER ALUMINUM CORP reported quarter ended March 31, 2023 results: revenue $808 Million, net income $16 Million, EPS $0.99.
  - Period: quarter ended March 31, 2023
  - Revenue: $808 Million
  - Net income: $16 Million
  - EPS: $0.99
  - Result: preliminary results
  source text: First Quarter 2023 Highlights: o Net Sales $808 Million; Conversion Revenue $369 Million o Net Income $16 Million; Net Income per Diluted Share $0.99
  evidence_url: https://www.sec.gov/Archives/edgar/data/811596/000095017023014865/0000950170-23-014865-index.htm

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