Kaiser Aluminum (KALU) Q3 2025 earnings summary

Executive summary

• Net sales for Q3 2025 rose to $844 million, up 13% year-over-year, driven by higher realized sales prices despite an 8% decrease in shipments due to a planned outage at Trentwood for capacity expansion.

• Adjusted EBITDA for Q3 2025 was $81.3 million with a 23.2% margin, up $35.1 million year-over-year, exceeding expectations and marking the fourth consecutive period of outperformance.

• Net income for Q3 2025 was $40 million ($2.38 per diluted share), with adjusted net income of $31 million ($1.86 per share), both significantly higher than the prior year.

• Major strategic investments at Trentwood and Warrick are nearing completion, with $20 million in non-recurring startup costs incurred in the quarter.

• Underlying business fundamentals and net debt leverage ratio improved to 3.6x from 4.3x at year-end 2024.

Financial highlights

• Q3 2025 net sales were $844 million (+13% YoY), with conversion revenue of $351 million and shipments of 270 million lbs.

• Adjusted EBITDA for Q3 2025 was $81.3 million (vs. $46.2 million prior year); nine months: $222.4 million (vs. $174.4 million prior year).

• Net income for Q3 2025 was $40 million (vs. $9 million prior year); adjusted net income was $31 million (vs. $5 million prior year).

• Operating income increased to $49 million from $13 million in the prior year quarter.

• Cash provided by operating activities for the first nine months was $132 million.

Outlook and guidance

• Full-year 2025 Adjusted EBITDA outlook raised to 20–25% growth year-over-year, with conversion revenue expected to be flat to up 5%.

• Capital expenditures for 2025 projected at ~$130 million; free cash flow expected between $30 million and $50 million.

• Aero/HS shipments and conversion revenue expected to decline ~10% year-over-year due to outage and destocking, with recovery anticipated in Q4.

• Packaging conversion revenue expected to rise 12–15% for the year, with shipments down 3–5% as new coating line ramps.

• General engineering and automotive conversion revenue both expected to increase 3–10% year-over-year.