What is Koppers Holdings's inventory LIFO reserve?

Koppers Holdings (KOP) reported inventory LIFO reserve of $103.5M in Q1 2026.

What does inventory LIFO reserve mean?

This is the difference between the cost of inventory calculated using the FIFO or average cost method and the cost calculated using the LIFO method. It is used to adjust the LIFO-based inventory value to a current cost basis for analytical purposes. Investors use this to normalize earnings and inventory values when comparing companies that use different inventory accounting methods.

Koppers Holdings KOP Inventory LIFO Reserve

Inventory LIFO Reserve at other companies

IngevityNGVT

$44M-32.5%

Other financials

Income statement

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Revenue$455.3M-0.3%

Gross profit$86.6M-18.1%

Operating income$22.0M-18.5%

Net income$7.1M+151%

EPS (diluted)$0.35+151%

Balance sheet

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Cash & equivalents$42.8M+28.5%

Total debt$1.0B-4.3%

Total equity$549.5M+10.3%

Total assets$1.9B-0.6%

Cash flow

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Operating cash flow$46.3M+304%

CapEx$11.4M-20.3%

Free cash flow$34.9M+194%

Valuation

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Market cap$859.66M+37.3%

Enterprise value$1.84B+10.7%

P/E11.2×—

P/S0.5×+0.2×

Profitability

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Gross margin22.8%+1.7pp

Operating margin8.7%+1.8pp

Net margin4.1%—

FCF margin7.4%—

Returns & leverage

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Return on equity14.7%—

Debt / equity1.9×-0.3×

Current ratio2.7×+0.1×

Where this comes from

Reported directly by Koppers Holdings in its filing.

Tagged under the XBRL concept us-gaap:InventoryLIFOReserve.

The official record: Koppers Holdings’s 10-Q, filed May 8, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Koppers Holdings's inventory LIFO reserve?: Koppers Holdings (KOP) reported inventory LIFO reserve of $103.5M in Q1 2026.
What does inventory LIFO reserve mean?: This is the difference between the cost of inventory calculated using the FIFO or average cost method and the cost calculated using the LIFO method. It is used to adjust the LIFO-based inventory value to a current cost basis for analytical purposes. Investors use this to normalize earnings and inventory values when comparing companies that use different inventory accounting methods.