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Koppers Holdings (KOP) Q1 2026 earnings results (first quarter 2026)

10-Q filed May 8, 2026

Koppers Holdings (KOP) reported revenue of $455M for the first quarter 2026 (Q1 2026), -0.3% from a year earlier and +5% from the quarter before. Operating margin was 4.8%, net earnings $7.1M (1.6% of revenue).

Revenue$455M
Year over year-0.3%
Quarter over quarter+5%
Operating margin4.8%
Net earnings$7.1M

Koppers Holdings, Q1 2026: revenue $455M (-0.3% year over year), operating margin 4.8%, net earnings $7.1M, operating cash flow $46.3M. The chart follows the revenue to costs, profit and cash.

Q1 2026AmountQ/QY/Y
Revenue$455M+5%-0.3%
Operating profit$22.0M-56%-19%
Net earnings$7.1M-76%—
Operating cash flow$46.3M+3%—
Free cash flow$34.9M+22%—

What changed

Revenue was $455.3M in Q1 2026, roughly flat year over year and up 5% from the previous quarter.

Operating profit was $22.0M, a 4.8% margin (down 1.1 points year over year). Total costs grew 1% against flat revenue. Net earnings were $7.1M. The effective tax rate was 10.1%.

Operating cash flow was $46.3M, 652% of net earnings. Non-cash charges added back $19.4M of depreciation and amortization and $3.9M of share-based compensation. Working capital and other items added $15.9M. Capital expenditures of $11.4M left free cash flow of $34.9M.

Questions

What was Koppers Holdings' revenue in the first quarter 2026?

Koppers Holdings (KOP) reported revenue of $455M for the first quarter 2026 (Q1 2026), -0.3% from a year earlier and +5% from the quarter before.

Was Koppers Holdings profitable in the first quarter 2026?

Operating profit was $22.0M (4.8% of revenue) and net earnings $7.1M.

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Source: Koppers Holdings 10-Q on SEC EDGAR.