Kaiser Aluminum Corporation (KALU) Cash Flow Statement

The gap between net income and operating cash flow in 2026Q2 is stark, with working capital changes consuming $90.5M, likely reflecting metal price lag effects that management cited as an EBITDA driver. This suggests a portion of the reported earnings beat is non-cash and may reverse as aluminum prices normalize. Investors should monitor whether underlying volume and mix improvements can sustain cash generation once this tailwind fades.

The FCF trajectory is highly erratic, with negative quarters in 2025Q2 and 2025Q4, but 2026Q1 and 2026Q2 show positive FCF of $68.5M and $35.1M, respectively. This improvement appears driven by stronger operating cash flow, yet the persistent negative working capital changes suggest ongoing volatility. The company's ability to sustain positive FCF hinges on stabilizing working capital and managing capex intensity, which remains elevated relative to peers.

Capital expenditures have been substantial, with quarterly spend ranging from $19.4M to $56.0M, reflecting the capital-intensive nature of aluminum rolling and the need to maintain Trentwood and Warrick facilities. While some of this capex may be growth-oriented, the high maintenance requirements of aging assets likely consume a significant portion. Given the thin gross margins and high leverage, this capital intensity leaves limited cushion for demand downturns.

The consistent negative working capital changes, particularly the -$105.5M in 2025Q4 and -$90.5M in 2026Q2, suggest that the company is funding significant inventory and receivable growth, likely tied to rising aluminum prices and volume expansion. This pattern indicates that operating cash flow is structurally burdened by working capital needs, which may continue as revenue grows. Investors should monitor whether management can improve collection cycles or inventory turnover to alleviate this drag.

The company has consistently paid dividends of around $12.8M quarterly, which appears sustainable given operating cash flow, but the absence of buybacks suggests management is prioritizing debt reduction or internal investment. The $7.6M acquisition in 2026Q2 is small relative to the balance sheet, indicating a cautious M&A approach. Given the elevated leverage, this conservative deployment may be prudent, but it limits shareholder returns beyond the dividend.

While cumulative operating cash flow exceeds net income, the heavy capex spend of $361.5M over the same period reduces free cash flow to a mere $64.4M, which is less than 20% of cumulative net income. This divergence suggests that reported earnings are not translating into distributable cash, largely due to capital intensity and working capital absorption. The company's ability to generate shareholder value depends on improving FCF conversion, which remains a key risk given the leverage.