CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (175.1)	$ (29.6)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Unrealized (gain) loss on derivative instruments	127.5	(3.6)
Lower of cost or NRV inventory adjustment	0.0	37.1
Depreciation and amortization	41.8	40.4
Loss on early extinguishment of debt	24.7	0.0
Change in deferred tax benefit	(47.6)	(0.5)
Other non-cash items - net	4.2	2.4
Change in operating assets and liabilities:
Accounts receivable - net	(16.0)	34.1
Due from affiliates	(16.6)	21.6
Inventories	(40.4)	8.4
Prepaid and other current assets	(4.3)	(1.1)
Accounts payable, trade	9.7	(10.0)
Due to affiliates	9.8	(31.0)
Accrued and other current liabilities	(1.3)	0.1
Other - net	(4.3)	3.3
Net cash provided by (used in) operating activities	(87.9)	71.6
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(25.9)	(9.6)
Proceeds from sales of property, plant & equipment	0.0	0.1
Net cash provided by (used in) investing activities	(25.9)	(9.5)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of Senior Notes due 2025	(250.0)	0.0
Early redemption and tender premiums paid	(18.1)	0.0
Proceeds from issuance of Senior Notes due 2028	250.0	0.0
Proceeds from issuance of Convertible Senior Notes	86.3	0.0
Repayments on Hawesville term loan	(10.0)	(10.0)
Borrowings under revolving credit facilities	426.9	122.4
Repayments under revolving credit facilities	(432.3)	(36.4)
Debt issuance costs	(7.4)	0.0
Purchases of capped calls related to Convertible Senior Notes	(5.7)	0.0
Net cash provided by (used in) financing activities	39.7	76.0
CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(74.1)	138.1
Cash, cash equivalents and restricted cash, beginning of period	84.3	39.7
Cash, cash equivalents and restricted cash, end of period	10.2	177.8
Cash paid for:
Interest	25.7	11.0
Taxes	0.0	0.1
Non-cash investing activities:
Capital expenditures	$ 2.8	$ 0.6

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