As of March 31, 2026

As of December 31, 2025

(In millions of dollars)

Receivables, Net

Accounts receivable

$

529.2

$

423.9

Allowance for doubtful receivables

(0.6

)

(0.6

)

Receivables, net

$

528.6

$

423.3

Inventories

Finished products

$

134.0

$

156.1

Work-in-process

316.6

316.7

Raw materials

332.1

236.2

Operating supplies

16.3

16.2

Inventories

$

799.0

$

725.2

Property, Plant and Equipment, Net

Land and improvements

$

44.1

$

38.2

Buildings and leasehold improvements

303.4

302.6

Machinery and equipment

1,594.3

1,586.7

Construction in progress

74.8

66.7

Property, plant and equipment, gross

2,016.6

1,994.2

Accumulated depreciation and amortization

(877.2

)

(849.1

)

Land held for sale

0.1

0.1

Property, plant and equipment, net

$

1,139.5

$

1,145.2

Other Assets

Restricted cash – Note 11

$

20.0

$

19.9

Long-term replacement parts

32.3

28.5

Net assets of Salaried VEBA

9.9

9.7

Other

17.5

17.6

Other assets

$

79.7

$

75.7

.

Other Accrued Liabilities

Uncleared cash disbursements

$

1.2

$

45.8

Accrued income taxes and other taxes payable

15.0

7.8

Accrued annual contribution to Salaried VEBA

—

2.9

Accrued interest

10.8

6.9

Current operating lease liabilities

5.9

4.8

Current finance lease liabilities

3.4

2.3

Current deferred compensation plan liabilities – Note 3

1.0

1.2

Other – Note 4

19.0

19.6

Other accrued liabilities

$

56.3

$

91.3

Long-Term Liabilities

Workers' compensation accrual

$

25.5

$

26.0

Long-term environmental accrual – Note 6

17.3

17.4

Other long-term liabilities

41.2

38.0

Long-term liabilities

$

84.0

$

81.4