Century Aluminum - 10-Q quarterly report FY2015 Q2

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2015

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _______ to _______.

Commission file number 1-34474

Century Aluminum Company

(Exact name of registrant as specified in its charter)



Delaware (State or other jurisdiction of incorporation or organization)	13-3070826 (IRS Employer Identification No.)
One South Wacker Drive Suite 1000 Chicago, Illinois (Address of principal executive offices)	60606 (Zip Code)

Registrant’s telephone number, including area code: (312) 696-3101

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. x Yes o No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). x Yes o No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):



Large accelerated filer	x	Accelerated filer	o
Non-accelerated filer (Do not check if a smaller reporting company)	o	Smaller reporting company	o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

o Yes x No

The registrant had 86,900,952 shares of common stock outstanding at July 31, 2015.



TABLE OF CONTENTS
	Page
PART I - FINANCIAL INFORMATION
Item 1. Financial Statements.	3
Condensed Notes to Consolidated Financial Statements	7
Note 1. General	7
Note 2. Ravenswood impairment	7
Note 3. Related party transactions	7
Note 4. Business acquisitions	8
Note 5. Fair value measurements	11
Note 6. Earnings (loss) per share	12
Note 7. Shareholders' equity	14
Note 8. Income taxes	15
Note 9. Inventories	15
Note 10. Debt	15
Note 11. Commitments and contingencies	18
Note 12. Forward delivery contracts and financial instruments	21
Note 13. Supplemental cash flow information	22
Note 14. Asset retirement obligations ("ARO")	23
Note 15. Components of accumulated other comprehensive loss	23
Note 16. Components of net periodic benefit cost	25
Note 17. Subsequent events	26
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.	27
Item 3. Quantitative and Qualitative Disclosures about Market Risk.	35
Item 4. Controls and Procedures.	37

PART II - OTHER INFORMATION
Item 1. Legal Proceedings.	38
Item 1A. Risk Factors.	38
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.	38
Item 5. Other Information.	39
Item 6. Exhibits.	40
SIGNATURES	41

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements.



CENTURY ALUMINUM COMPANY
CONSOLIDATED STATEMENTS OF OPERATIONS
(in thousands, except per share amounts)
(Unaudited)
	Three months ended June 30,						Six months ended June 30,
	2015			2014			2015			2014
NET SALES:
Related parties	$	513,681		$	288,573		$	1,089,410		$	574,156
Third-party customers	9,810			169,751			21,992			305,015
Total net sales	523,491			458,324			1,111,402			879,171
Cost of goods sold	515,149			419,820			1,008,965			842,425
Gross profit	8,342			38,504			102,437			36,746
Selling, general and administrative expenses	10,012			10,618			21,983			20,680
Ravenswood impairment	30,850			—			30,850			—
Other operating expense – net	2,601			1,874			4,680			4,288
Operating income (loss)	(35,121		)	26,012			44,924			11,778
Interest expense	(5,573		)	(5,571		)	(11,124		)	(11,048		)
Interest income	61			34			203			174
Net gain (loss) on forward and derivative contracts	566			352			919			(527		)
Unrealized gain on fair value of contingent consideration	10,287			—			16,814			—
Other income – net	93			300			1,147			47
Income (loss) before income taxes and equity in earnings of joint ventures	(29,687		)	21,127			52,883			424
Income tax expense	(5,065		)	(1,654		)	(14,366		)	(560		)
Income (loss) before equity in earnings of joint ventures	(34,752		)	19,473			38,517			(136		)
Equity in earnings of joint ventures	855			871			1,365			376
Net income (loss)	$	(33,897	)	$	20,344		$	39,882		$	240

Net income (loss) allocated to common stockholders	$	(33,897	)	$	18,675		$	36,628		$	220
EARNINGS (LOSS) PER COMMON SHARE:
Basic	$	(0.39	)	$	0.21		$	0.42		$	0.00
Diluted	(0.39		)	0.21			0.41			0.00
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	86,873			88,787			87,838			88,752
Diluted	86,873			89,352			88,495			89,292

See condensed notes to consolidated financial statements



CENTURY ALUMINUM COMPANY
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
(in thousands)
(Unaudited)
	Three months ended June 30,						Six months ended June 30,
	2015			2014			2015			2014
Comprehensive income (loss):
Net income (loss)	$	(33,897	)	$	20,344		$	39,882		$	240
Other comprehensive income before income tax effect:
Net gain on foreign currency cash flow hedges reclassified as income	(46		)	(47		)	(93		)	(93		)
Defined benefit plans and other postretirement benefits:
Net gain arising during the period	16,260			440			16,260			440
Prior service benefit arising during the period	1,782			—			1,782			—
Amortization of prior service benefit during the period	(931		)	(952		)	(1,867		)	(1,904		)
Amortization of net loss during the period	2,679			995			4,123			2,805
Other comprehensive income before income tax effect	19,744			436			20,205			1,248
Income tax effect	(382		)	(567		)	(765		)	(1,280		)
Other comprehensive income (loss)	19,362			(131		)	19,440			(32		)
Total comprehensive income (loss)	$	(14,535	)	$	20,213		$	59,322		$	208

See condensed notes to consolidated financial statements



CENTURY ALUMINUM COMPANY
CONSOLIDATED BALANCE SHEETS
(in thousands, except share amounts)
(Unaudited)
	June 30, 2015			December 31, 2014
ASSETS
Cash and cash equivalents	$	167,408		$	163,242
Restricted cash	1,083			801
Accounts receivable — net	9,807			76,165
Due from affiliates	52,310			31,503
Inventories	318,422			283,480
Prepaid and other current assets	36,236			29,768
Deferred taxes	14,281			14,281
Total current assets	599,547			599,240
Property, plant and equipment — net	1,263,861			1,291,218
Other assets	125,830			123,577
TOTAL	$	1,989,238		$	2,014,035
LIABILITIES AND SHAREHOLDERS’ EQUITY
LIABILITIES:
Accounts payable, trade	$	119,334		$	151,443
Due to affiliates	63,667			22,261
Accrued and other current liabilities	67,162			104,646
Accrued employee benefits costs	9,742			10,159
Industrial revenue bonds	7,815			7,815
Total current liabilities	267,720			296,324
Senior notes payable	247,079			246,888
Accrued pension benefits costs — less current portion	56,711			59,906
Accrued postretirement benefits costs — less current portion	136,020			152,894
Other liabilities	46,596			53,272
Deferred taxes	118,572			113,604
Total noncurrent liabilities	604,978			626,564
COMMITMENTS AND CONTINGENCIES (NOTE 11)
SHAREHOLDERS’ EQUITY:
Series A Preferred stock (one cent par value, 5,000,000 shares authorized; 160,000 issued and 77,127 outstanding at June 30, 2015; 160,000 issued and 78,141 outstanding at December 31, 2014)	1			1
Common stock (one cent par value, 195,000,000 shares authorized; 94,087,473 issued and 86,900,952 outstanding at June 30, 2015; 93,851,103 issued and 89,064,582 outstanding at December 31, 2014)	941			939
Additional paid-in capital	2,512,682			2,510,261
Treasury stock, at cost	(86,276		)	(49,924		)
Accumulated other comprehensive loss	(98,242		)	(117,682		)
Accumulated deficit	(1,212,566		)	(1,252,448		)
Total shareholders’ equity	1,116,540			1,091,147
TOTAL	$	1,989,238		$	2,014,035

See condensed notes to consolidated financial statements



CENTURY ALUMINUM COMPANY
CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)
(Unaudited)
	Six months ended June 30,
	2015			2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	39,882		$	240
Adjustments to reconcile net income to net cash provided by operating activities:
Unrealized gain on fair value of contingent consideration	(16,814		)	—
Unrealized gain on E.ON contingent obligation	(706		)	(706		)
Accrued and other plant curtailment costs — net	2,149			2,181
Lower of cost or market inventory adjustment	25,689			(1,247		)
Depreciation	36,409			35,143
Ravenswood impairment	30,850			—
Sebree power contract amortization	—			(5,534		)
Debt discount amortization	191			177
Pension and other postretirement benefits	(262		)	2,368
Deferred income taxes	4,984			2,731
Stock-based compensation	894			533
Equity in earnings of joint ventures, net of dividends	(1,365		)	(376		)
Change in operating assets and liabilities:
Accounts receivable — net	66,359			3,931
Due from affiliates	(20,807		)	(10,508		)
Inventories	(60,631		)	(2,786		)
Prepaid and other current assets	3,819			6,816
Accounts payable, trade	(34,087		)	(8,413		)
Due to affiliates	41,406			(1,226		)
Accrued and other current liabilities	1,288			(12,200		)
Other — net	(8,932		)	(2,496		)
Net cash provided by operating activities	110,316			8,628
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(26,587		)	(16,758		)
Nordural expansion — Helguvik	(175		)	(186		)
Purchase of carbon anode assets and improvements	(4,606		)	(7,226		)
Purchase of remaining interest in Mt. Holly smelter	(38,162		)	—
Proceeds from sale of property, plant and equipment	14			46
Restricted and other cash deposits	(282		)	(1,334		)
Net cash used in investing activities	(69,798		)	(25,458		)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings under revolving credit facilities	1,010			86,646
Repayments under revolving credit facilities	(1,010		)	(92,646		)
Repurchase of common stock	(36,352		)	—
Issuance of common stock	—			126
Net cash used in financing activities	(36,352		)	(5,874		)
CHANGE IN CASH AND CASH EQUIVALENTS	4,166			(22,704		)
Cash and cash equivalents, beginning of period	163,242			84,088
Cash and cash equivalents, end of period	$	167,408		$	61,384

See condensed notes to consolidated financial statements

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements

Three and six months ended June 30, 2015 and 2014

(amounts in thousands, except share and per share amounts)

(Unaudited)


1.	General

The accompanying unaudited interim consolidated financial statements of Century Aluminum Company should be read in conjunction with the audited consolidated financial statements for the year ended December 31, 2014. In management’s opinion, the unaudited interim consolidated financial statements reflect all adjustments, which are of a normal and recurring nature, that are necessary for a fair presentation of financial results for the interim periods presented. Operating results for the first six months of 2015 are not necessarily indicative of the results that may be expected for the year ending December 31, 2015. Throughout this Form 10-Q, and unless expressly stated otherwise or as the context otherwise requires, "Century Aluminum," "Century," the "Company", "we," "us," "our" and "ours" refer to Century Aluminum Company and its consolidated subsidiaries.


2.	Ravenswood impairment

At June 30, 2015, we recorded an impairment charge of $30,850 related to the Ravenswood, West Virginia aluminum smelter. The charge included $21,500 to write down property, plant and equipment to estimated net salvage value and $7,800 to write down inventory to its net realizable value. We also accrued $1,550 for employee severance and other exit costs which are expected to be substantially paid by the end of 2015. We classified the estimated salvage value of the property, plant and equipment within Level 3 of the fair value hierarchy as its fair value was determined based on recent comparable transactions with inputs that are not readily observable in the market.

On July 27, 2015, we announced the immediate and permanent closure of Ravenswood. The Ravenswood smelter has been idled since February 2009. The decision to permanently close the Ravenswood smelter was based on the inability to secure a competitive power contract for the smelter, compounded by challenging aluminum market conditions largely driven by increased exports of aluminum from China. As a result, the economics of restarting and operating the facility are unfavorable.


3.	Related party transactions

A summary of the significant related party transactions for the three and six months ended June 30, 2015 and 2014 is as follows:



	Three months ended June 30,				Six months ended June 30,
	2015		2014		2015		2014
Net sales to Glencore	$	513,681	$	288,573	$	1,089,410	$	574,156
Purchases from Glencore	133,642		60,998		241,456		124,855
Purchases from BHH	13,434		13,117		28,253		27,723

We believe that all of the related party transactions were at prices that approximate market.

Sales to Glencore

We have entered into an agreement with Glencore pursuant to which we have agreed to sell, and Glencore has agreed to purchase, substantially all of our primary aluminum production in North America for 2015 and 2016 on a take-or-pay basis at market prices determined by reference to the Midwest Transaction Price plus additional negotiated product premiums.

We sell primary aluminum produced at our Grundartangi facility under a long-term sales contract with Glencore at prices based on the London Metal Exchange ("LME") price for primary aluminum plus the European Duty Paid premium and any applicable product premiums less certain other costs. We also receive tolling fees from Glencore under tolling agreements that provide for delivery of primary aluminum produced at our Grundartangi facility. The fee paid by Glencore under these tolling agreements is based on the LME price for primary aluminum plus a portion of the European Duty Paid premium.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

We sold primary aluminum in 2014 to Glencore from our U.S. smelters on a spot basis at variable prices based on the LME, plus Midwest delivery and applicable product premiums.

See Note 12 Forward contracts and financial instruments for additional information about our forward physical delivery contracts and tolling agreements with Glencore.

Purchases from Glencore

We purchase alumina from Glencore on both a spot basis and under a long-term supply agreement. Glencore has agreed to supply us with alumina through 2017 at prices indexed to the LME price of primary aluminum under a long-term supply agreement. In 2014, upon mutual agreement, approximately half of the purchases under this agreement were priced based on a published alumina index. For 2015, we have agreed to price all of the purchases under this agreement based on a published alumina index. We had additional agreements to buy alumina from Glencore which expired at the end of 2014. In 2014, the pricing on these alumina purchase agreements was indexed to the LME price for primary aluminum.

Purchases from Baise Haohai Carbon Co., Ltd. ("BHH")

We own a 40% stake in BHH, a joint venture that owns a carbon anode and cathode facility located in the Guangxi Zhuang Autonomous Region of south China. We have an agreement with BHH to provide carbon anodes to Grundartangi through December 31, 2015.


4.	Business acquisitions

Acquisition of Mt. Holly aluminum smelter

On October 23, 2014, our wholly-owned subsidiary, Berkeley Aluminum Inc. ("Berkeley") entered into a stock purchase agreement (the "Stock Purchase Agreement") with Alumax Inc. ("Alumax"), a wholly-owned subsidiary of Alcoa Inc. ("Alcoa"), to acquire Alcoa’s 50.3% stake in Mt. Holly. Upon closing of the transaction on December 1, 2014, Century owns 100% of Mt. Holly. Mt. Holly, located in Goose Creek, South Carolina, employed approximately 600 people and had an annual production capacity of 231,000 tonnes of primary aluminum as of the acquisition date.

Pursuant to the terms of the Stock Purchase Agreement, Berkeley agreed to acquire all of the issued and outstanding shares of capital stock of Alumax of South Carolina Inc. ("Alumax of SC"), a wholly-owned subsidiary of Alumax, for $67,500 in cash subject to working capital and other similar adjustments, of which we have paid $53,831 as of December 31, 2014 net of certain amounts owed by Alumax to Mt. Holly. The acquisition was funded with available cash on hand. We incurred $1,087 of acquisition-related costs through December 31, 2014 and $417 during 2015. All acquisition-related costs were expensed to selling, general and administrative expenses in the period that they were incurred.

In April 2015, we made an additional payment of $38,162, which was primarily related to pension funding obligations, economic adjustment, working capital and other adjustments, net of certain amounts owed by Alumax to Mt. Holly pursuant to the Stock Purchase Agreement.

Contingent Consideration - Earn-out provision

The Stock Purchase Agreement provides for a post-closing cash payment to be made following December 31, 2015 based on (i) changes in the Midwest Transaction Price for aluminum between July 2, 2014 and December 31, 2015 and (ii) the aggregate cast house production of Mt. Holly from October 1, 2014 through December 31, 2015. The maximum amount of this post-closing cash payment by (i) Century Aluminum of South Carolina, Inc. ("CASC") to Alumax is $22,500 and (ii) Alumax to CASC is $12,500, which we estimate will be paid in the first quarter of 2016. We measured the fair value of the contingent consideration and recognized a $13,780 liability at December 1, 2014. Each period, until the end of the measurement period on December 31, 2015, we will remeasure the fair value of the contingent consideration with any changes in the fair value recognized in earnings. We classified the contingent consideration within Level 3 of the fair value hierarchy as its fair value was determined with inputs that are not readily observable in the market. For the three and six months ended June 30, 2015, we recognized $10,287 and $16,814, respectively, in unrealized gain on fair value of contingent consideration, primarily related to decreases in the Midwest premium and the forward curve of the LME price of primary aluminum.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

Economic Adjustment, working capital and other adjustments

The Stock Purchase Agreement provides for an economic adjustment that was established to put the parties in the same economic position as if the closing date for the acquisition had occurred on September 30, 2014. The related adjustments include metal off-take and aluminum sales agreements, cash funding and management fee adjustments, as well adjustments for inventory and transition services. Based on our estimates at the closing date, excluding alumina purchases which were recognized separately from the acquisition, we received $11,189 from Alcoa for the economic adjustment.

The Stock Purchase Agreement also contained provisions for working capital and other adjustments. The working capital adjustment was based on actual working capital at closing compared to established working capital targets. Based on amounts agreed to by Alcoa and Century, we received $124 from Alcoa for the working capital adjustments.

Other adjustments include amounts due to Century for expected future post-employment benefit payments and business interruption premium share. The amounts were negotiated as part of the Stock Purchase Agreement and we received $2,400 from Alcoa for these adjustments at closing. In addition, a $200 reimbursement is due to Alcoa related to the election of certain tax positions for the acquisition.

The following table summarizes all of the elements of consideration for the transaction, including the preliminary estimated fair value of contingent consideration.



	Preliminary as of December 1, 2014

Purchase price	$	67,500
Contingent consideration	13,780
Economic, working capital and other closing adjustments	(13,513		)
Total consideration transferred	$	67,767

Pension funding obligations

Alcoa and Century agreed to fully fund the Mt. Holly pension plan benefit obligations, measured in accordance with generally accepted accounting principles in the United States ("GAAP") using agreed upon assumptions, in proportion to their respective ownership percentage. In addition, Century agreed to fund the Mt. Holly pension benefit obligations based on termination basis under IRS Code Section 414(l) (the "414(l) liability"). Pursuant to the Stock Purchase Agreement, our pension funding requirements for the acquisition were $34,595, which consisted of $3,753 for our share of the unfunded GAAP pension liability and $30,842 for 414(l) liability in excess of GAAP pension liability. In April 2015, we made a payment which settled our pension funding obligations related to the acquisition, as well as certain other amounts due to Alcoa.

Alcoa spun-off the pension plan assets for the Mt. Holly employees and former employees into a qualified defined benefit pension plan established by Century. The Mt. Holly pension plan was fully funded using Pension Benefit Guaranty Corporation (the "PBGC") assumptions and measured on a termination basis under IRS Code Section 414(l), which are more conservative than the assumptions we use to measure our defined benefit obligations, and resulted in the recognition of a pension asset at closing.

Step Acquisition

We accounted for this transaction as a step acquisition which required that we remeasure our existing 49.7% ownership interest, which was previously accounted for as an equity method investment, to fair value. The preliminary estimate of the fair value of our interest in Mt. Holly was $56,723 at closing, resulting in a non-cash pre-tax gain of $1,318 included in gain on remeasurement of equity investment on our consolidated statements of operations for 2014. Our previously recorded equity method investment in Mt. Holly and the proportionally consolidated property, plant and equipment was derecognized from our consolidated balance sheets. Since the date of the step acquisition, the financial results of Mt. Holly and all of its operating assets have been included within our consolidated financial statements.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

The allocation of the purchase price and the fair value of the previous equity investment to all of the assets acquired and liabilities assumed is based on the estimated fair values at the date of acquisition. The following purchase price allocation is preliminary and subject to change based on the finalization of the valuation of acquired assets and liabilities and the fair value of the previously held equity investment and proportionally consolidated assets. The amounts presented below represent our estimates of the fair value based on a preliminary valuation of the assets and liabilities in connection with the acquisition.



	Preliminary estimate of the acquisition date fair value as of December 1, 2014
Assets Acquired:
Inventories	$	26,105
Due from Alumax	20,786
Prepaid and other current assets	2,527
Intangible asset	2,580
Pension asset	30,842
Property, plant and equipment – net	127,089
Total assets acquired	$	209,929
Liabilities Assumed:
Accounts payable, trade	$	41,471
Accrued and other current liabilities	6,045
Accrued postretirement benefit costs	2,857
Asset retirement obligations	10,503
Deferred taxes	4,804
Total liabilities assumed	$	65,680
Goodwill	$	4,804

The following unaudited pro forma financial information for the three and six months ended June 30, 2014 reflects our results of continuing operations as if the acquisition of the remaining interest in Mt. Holly had been completed on January 1, 2014. This unaudited pro forma financial information is provided for informational purposes only and is not necessarily indicative of what the actual results of operations would have been had the transactions taken place on January 1, 2014, nor is it indicative of the future consolidated results of operations or financial position of the combined companies.



	Three months ended June 30,		Six months ended June 30,
	2014		2014
Pro forma revenues	$	528,457	$	1,002,612
Pro forma earnings (loss) from continuing operations	20,640		(3,577		)
Pro forma earnings (loss) per common share, basic	0.21		(0.04		)
Pro forma earnings (loss) per common share, diluted	0.21		(0.04		)

Settlement of amounts due from Alumax

Prior to the closing date, the Mt. Holly partnership had amounts due from Alumax for metal off-take, capital, plant administrative, standard cost true-ups and various other costs. These amounts totaling $11,269 were received, net of certain excluded items at closing.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

Transactions Recognized Separately from the Mt. Holly acquisition

As part of the acquisition, we recognized certain transactions as separate and apart from the business combination with Mt. Holly. The Mt. Holly smelter tolled alumina for its partners and so had no alumina supply of its own. Upon the purchase, we negotiated with Alcoa to purchase alumina under two separate alumina supply agreements. We believe the price paid under these agreements was equivalent to a market rate that would be paid by a market participant. Contract prices were based on published alumina price indexes.



Amounts Recognized Separately from the Acquisition:	Line item	Amount recognized
Alumina Supply Agreements	Inventory	$	14,880


5.	Fair value measurements

The following section describes the valuation methodology used to measure our financial assets and liabilities that were accounted for at fair value and are categorized based on the fair value hierarchy described in Accounting Standards Codification ("ASC") 820 "Fair Value Measurements and Disclosures."



Overview of Century’s valuation methodology
	Level	Significant inputs
Cash equivalents	1	Quoted market prices
Trust assets (1)	1	Quoted market prices
Surety bonds	1	Quoted market prices

(1)

Trust assets are currently invested in money market funds. These trust assets are held to fund the non-qualified supplemental executive pension benefit obligations for certain of our officers. The trust has sole authority to invest the funds in secure interest producing investments consisting of short-term securities issued or guaranteed by the United States government or cash and cash equivalents.

Fair value measurements

Our fair value measurements include the consideration of market risks that other market participants might consider in pricing the particular asset or liability, specifically non-performance risk and counterparty credit risk. Considerations of the non-performance risk and counterparty credit risk are used to establish the appropriate risk-adjusted discount rates used in our fair value measurements.

As required by GAAP for fair value measurements and disclosures, financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Our assessment of the significance of a particular input to the fair value measurement requires judgment, and may affect the valuation of fair value assets and liabilities and the placement within the fair value hierarchy levels. There were no transfers between Level 1 and 2 during the periods presented. There were no transfers into or out of Level 3 during the periods presented. It is our policy to recognize transfers into and transfers out of Level 3 as of the actual date of the event or change in circumstances that caused the transfer.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

The following table sets forth our financial assets and liabilities that were accounted for at fair value on a recurring basis by the level of input within the ASC 820 fair value hierarchy.



Recurring Fair Value Measurements	As of June 30, 2015
	Level 1		Level 2		Level 3		Total
ASSETS:
Cash equivalents	$	156,656	$	—	$	—	$	156,656
Trust assets	6,686		—		—		6,686
Surety bonds	1,870		—		—		1,870
TOTAL	$	165,212	$	—	$	—	$	165,212



Recurring Fair Value Measurements	As of December 31, 2014
	Level 1		Level 2		Level 3		Total
ASSETS:
Cash equivalents	$	137,712	$	—	$	—	$	137,712
Trust assets	8,067		—		—		8,067
Surety bonds	1,987		—		—		1,987
TOTAL	$	147,766	$	—	$	—	$	147,766

6.Earnings (loss) per share

Basic earnings (loss) per share ("EPS") amounts are calculated by dividing net income (loss) allocated to common stockholders by the weighted average number of common shares outstanding. Diluted EPS amounts assume the issuance of common stock for all potentially dilutive common shares outstanding.

Our Series A Convertible Preferred Stock has similar characteristics to a "participating security" as described by ASC 260 "Earnings Per Share" and we calculate the amount of net income (loss) allocated to common stockholders and basic EPS using the Two-Class Method earnings allocation formula, allocating undistributed income to our preferred stockholder consistent with their participation rights, and diluted EPS using the If-Converted Method when applicable.

Our Series A Convertible Preferred Stock is a non-cumulative perpetual participating convertible preferred stock with no set dividend preferences. The holders of our convertible preferred stock do not have a contractual obligation to share in our losses. In periods where we report net losses, we do not allocate these losses to the convertible preferred stock for the computation of basic or diluted EPS.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

The following table shows the basic and diluted earnings (loss) per share for the three and six months ended June 30, 2015 and 2014:




	For the three months ended June 30,
	2015							2014
	Loss			Shares (000)	Per-Share			Income			Shares (000)	Per-Share
Net income (loss)	$	(33,897	)					$	20,344
Amount allocated to common stockholders (1)	100.00		%					91.80		%
Basic EPS:
Net income (loss) allocated to common stockholders	(33,897		)	86,873	$	(0.39	)	18,675			88,787	$	0.21
Effect of Dilutive Securities:
Share-based compensation plans	—			—				—			565
Diluted EPS:
Net income (loss) allocated to common stockholders with assumed conversion	$	(33,897	)	86,873	$	(0.39	)	$	18,675		89,352	$	0.21

	For the six months ended June 30,
	2015							2014
	Income			Shares (000)	Per-Share			Income			Shares (000)	Per-Share
Net income	$	39,882						$	240
Amount allocated to common stockholders	91.84		%					91.78		%
Basic EPS:
Net income allocated to common stockholders	36,628			87,838	$	0.42		220			88,752	$	0.00
Effect of Dilutive Securities:
Share-based compensation plans	—			657				—			540
Diluted EPS:
Net income allocated to common stockholders with assumed conversion	$	36,628		88,495	$	0.41		$	220		89,292	$	0.00


(1)	We have not allocated net losses between common and preferred stockholders, as the holders of our preferred shares do not have a contractual obligation to share in the loss.



Securities excluded from the calculation of diluted EPS:	Three months ended June 30,		Six months ended June 30,
	2015	2014	2015	2014

Stock options (1)	543,171	347,433	332,766	347,433
Service-based share awards (1)	691,773	—	—	—

(1)

In periods when we report a net loss, all share awards are excluded from the calculation of diluted weighted average shares outstanding because of their antidilutive effect on earnings (loss) per share. In periods when we report net income, certain option awards may be excluded from the calculation of diluted EPS if the exercise price of the option award was greater than the average market price of the underlying common stock.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)


7.	Shareholders’ equity

Common Stock

Under our Restated Certificate of Incorporation, our Board of Directors is authorized to issue up to 195,000,000 shares of our common stock.

The rights, preferences and privileges of holders of our common stock are subject to, and may be adversely affected by, the rights of the holders of shares of any series of our preferred stock which are currently outstanding, including our Series A Convertible Preferred Stock, or which we may designate and issue in the future.

Stock Repurchase Program

In August 2011, our Board of Directors approved a $60,000 common stock repurchase program. In 2015, our Board expanded the repurchase program by approving an additional $70,000, increasing the authorization to repurchase up to $130,000. From August 2011 through June 30, 2015, we repurchased 7,186,521 shares of common stock for an aggregate purchase price of $86,276. During the six months ended June 30, 2015, we repurchased 2,400,000 shares of common stock for an aggregate purchase price of $36,352. At June 30, 2015, we had approximately $43,724 remaining under the repurchase program authorization. The repurchase program may be expanded, suspended or discontinued by our Board, in its sole discretion, at any time.

Shares of common stock repurchased are recorded at cost as treasury stock and result in a reduction of shareholders’ equity in the consolidated balance sheets. From time to time, treasury shares may be reissued as contributions to our employee benefit plans and for the conversion of convertible preferred stock. When shares are reissued, we use an average cost method for determining cost. The difference between the cost of the shares and the reissuance price is added to or deducted from additional paid-in capital.

Series A Convertible Preferred Stock

Glencore holds all of the issued and outstanding Series A Convertible Preferred Stock. The issuance of common stock under our stock incentive programs, debt exchange transactions and any stock offering that excludes Glencore participation triggers anti-dilution provisions of the preferred stock agreement and results in the automatic conversion of Series A Convertible Preferred Stock shares into shares of common stock.

The Common and Preferred Stock Activity table below contains additional information about preferred stock conversions during the six months ended June 30, 2015 and 2014.



Common and Preferred Stock Activity:	Preferred stock		Common stock
(in shares)	Series A convertible		Treasury	Outstanding
Beginning balance as of December 31, 2014	78,141		4,786,521	89,064,582
Repurchase of common stock	—		2,400,000	(2,400,000	)
Conversion of convertible preferred stock	(1,014	)	—	101,327
Issuance for share-based compensation plans	—		—	135,043
Ending balance as of June 30, 2015	77,127		7,186,521	86,900,952

Beginning balance as of December 31, 2013	79,620		4,786,521	88,710,277
Conversion of convertible preferred stock	(394	)	—	39,455
Issuance for share-based compensation plans	—		—	55,029
Ending balance as of June 30, 2014	79,226		4,786,521	88,804,761

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)


8.	Income taxes

We recorded income tax expense for the three and six months ended June 30, 2015 of $5,065 and $14,366, respectively, which primarily consisted of foreign and state income taxes. Our domestic and certain foreign deferred tax assets, net of deferred tax liabilities, are subject to a valuation allowance.

We recorded income tax expense for the three and six months ended June 30, 2014 of $1,654 and $560, respectively, which primarily consisted of foreign and state income taxes.

Our income tax benefit or expense is based on an annual effective tax rate forecast, including estimates and assumptions that could change during the year. The application of the requirements for accounting for income taxes in interim periods, after consideration of our valuation allowance, causes a significant variation in the typical relationship between income tax expense and pretax accounting income.

As of June 30, 2015, all of Century's U.S. and certain foreign deferred tax assets, net of deferred tax liabilities, continue to be subject to a valuation allowance.


9.	Inventories



Inventories consist of the following:	June 30, 2015		December 31, 2014
Raw materials	$	103,485	$	78,599
Work-in-process	26,963		33,941
Finished goods	20,848		19,969
Operating and other supplies	167,126		150,971
Total inventories	$	318,422	$	283,480

Inventories are stated at the lower of cost or market, using the first-in, first-out method.


10.	Debt



	June 30, 2015		December 31, 2014
Debt classified as current liabilities:
Hancock County industrial revenue bonds ("IRBs") due 2028, interest payable quarterly (variable interest rates (not to exceed 12%)) (1)	$	7,815	$	7,815
Debt classified as non-current liabilities:
7.5% senior secured notes due June 1, 2021, net of debt discount of $2,921 and $3,112, respectively, interest payable semiannually	247,079		246,888
Total	$	254,894	$	254,703


(1)	The IRBs are classified as current liabilities because they are remarketed weekly and could be required to be repaid upon demand if there is a failed remarketing. The IRB interest rate at June 30, 2015 was 0.27%.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

U.S. Revolving Credit Facility

General. On June 26, 2015, we and certain of our direct and indirect domestic subsidiaries (collectively, the "Borrowers") and Wells Fargo Capital Finance, LLC, as lender and agent, and Credit Suisse AG and BNP Paribas, as lenders, entered into an Amended and Restated Loan and Security Agreement (the "U.S. revolving credit facility"). The term of the amended U.S. revolving facility was extended through June 26, 2020 and maximum borrowings under the credit facility remain at $150,000 in the aggregate. The letter of credit sub-facility was increased from $100,000 to $110,000. Any letters of credit issued and outstanding under the U.S. revolving credit facility reduce our borrowing availability on a dollar-for-dollar basis. The borrowing base of the U.S. revolving credit facility continues to include accounts receivable and inventory of the borrowers. In addition, our liquidity trigger was reduced from $34,500 to $15,000. If our Fixed Charge Coverage Ratio, as defined in our U.S. revolving credit facility, is less than 1.1 to 1.0, we must maintain at least $15,000 of available borrowing capacity under the U.S. revolving credit facility. As of June 30, 2015, our Fixed Charge Coverage Ratio was greater than 1.1 to 1.0.

Status of our U.S. revolving credit facility:



	June 30, 2015
Credit facility maximum amount	$	150,000
Borrowing availability, net of outstanding letters of credit	72,617
Outstanding borrowings	—
Letter of credit sub-facility amount	110,000
Outstanding letters of credit issued	77,383

Guaranty. The Borrowers' obligations under the U.S. revolving credit facility are guaranteed by certain of our domestic subsidiaries and secured by a continuing lien upon and a security interest in all of the Borrowers' accounts receivable, inventory and certain bank accounts. Each Borrower is liable for any and all obligations under the U.S. revolving credit facility on a joint and several basis.

Interest Rates and Fees. Any amounts outstanding under the U.S. revolving credit facility will bear interest, at our option, at LIBOR or a base rate, plus, in each case, an applicable interest margin. The applicable interest margin is determined based on the average daily availability for the immediately preceding quarter. In addition, we pay an unused line fee on undrawn amounts, less the amount of our letters of credit exposure. For standby letters of credit, we are required to pay a fee on the face amount of such letters of credit that varies depending on whether the letter of credit exposure is cash collateralized.

Iceland Revolving Credit Facility

General. Nordural Grundartangi ehf, as borrower, and Landsbankinn hf., as lender, entered into a $50,000 Committed Revolving Credit Facility agreement (the "Iceland revolving credit facility"), dated November 27, 2013. Grundartangi may in the future use the Iceland revolving credit facility to repay existing indebtedness or to finance capital expenditures and for ongoing working capital needs and other general corporate purposes. Under the terms of the Iceland revolving credit facility, when Grundartangi borrows funds it will designate a repayment date, which may be any date prior to the maturity of the Iceland revolving credit facility. The Iceland revolving credit facility has a term through November 27, 2016.

Status of our Iceland revolving credit facility:



	June 30, 2015
Credit Facility maximum amount	$	50,000
Borrowing availability	50,000
Outstanding borrowings	—

Borrowing Base. The availability of funds under the Iceland revolving credit facility is limited by a specified borrowing base consisting of inventory and accounts receivable of Grundartangi.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

Security. Grundartangi's obligations under the Iceland revolving credit facility are secured by a general bond under which Grundartangi's inventory and accounts receivable are pledged to secure full payment of the loan.

Interest Rates and Fees. Any amounts outstanding under the Iceland revolving credit facility will bear interest at LIBOR plus the margin per annum.

7.5% Notes due 2021

General. On June 4, 2013, we issued $250,000 of our 7.5% Notes due 2021 (the "7.5% Notes") in a private offering exempt from the registration requirements of the Securities Act of 1933, as amended.

Interest rate. The 7.5% Notes bear interest at 7.5% per annum on the principal amount, payable semi-annually in arrears in cash on June 1st and December 1st of each year.

Maturity. The 7.5% Notes mature on June 1, 2021.

E.ON contingent obligation

The E.ON contingent obligation consists of the aggregate E.ON payments made to Big Rivers Electric Corporation ("Big Rivers") on CAKY’s behalf in excess of the agreed upon base amount under the long-term cost-based power contract with Kenergy, a member cooperative of Big Rivers (the "Big Rivers Agreement"). Our obligation to make repayments is contingent upon certain operating criteria for Hawesville and the LME price of primary aluminum. When the conditions for repayment are met, and for so long as those conditions continue to be met, we will be obligated to make principal and interest payments, in up to 72 monthly payments.

Based on the LME forward market prices for primary aluminum at June 30, 2015 and management's estimate of the LME forward market for periods beyond the quoted periods, we recognized a derivative asset which offsets our contingent obligation. As a result, our net liability decreased and we recorded a gain of $706 and $706 in net gain (loss) on forward and derivative contracts for the six months ended June 30, 2015 and 2014, respectively. In addition, we recorded interest of $(706) and $(706) in interest expense for the six months ended June 30, 2015 and 2014, respectively. In addition, we believe that we will not have any payment obligations for the E.ON contingent obligation through the term of the agreement, which expires in 2028. However, future increases in the LME forward market may result in a partial or full derecognition of the derivative asset and a corresponding recognition of a loss.

We classified the E.ON contingent obligation within Level 3 of the fair value hierarchy as its fair value was determined with inputs that are not readily observable in the market. The following table provides information about the balance sheet location and gross amounts offset:



Offsetting of financial instruments and derivatives
	Balance sheet location	June 30, 2015			December 31, 2014
E.ON contingent obligation – principal	Other liabilities	$	(12,902	)	$	(12,902	)
E.ON contingent obligation – accrued interest	Other liabilities	(5,997		)	(5,291		)
E.ON contingent obligation – derivative asset	Other liabilities	18,899			18,193
		$	—		$	—

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)


11.	Commitments and contingencies

Environmental Contingencies

Based upon all available information, we believe our current environmental liabilities do not have, and are not likely to have, a material adverse effect on our financial condition, results of operations or liquidity. However, because of the inherent uncertainties in estimating environmental liabilities primarily due to unknown facts and circumstances and changing governmental regulations and legal standards regarding liability, there can be no assurance that future capital expenditures and costs for environmental compliance at currently or formerly owned or operated properties will not result in liabilities that may have a material adverse effect on our financial condition, results of operations or liquidity.

It is our policy to accrue for costs associated with environmental assessments and remedial efforts when it becomes probable that a liability has been incurred and the costs can be reasonably estimated. The aggregate environmental-related accrued liabilities were $1,296 and $1,101 at June 30, 2015 and December 31, 2014, respectively. All accrued amounts have been recorded without giving effect to any possible future recoveries. With respect to costs for ongoing environmental compliance, including maintenance and monitoring, such costs are expensed as incurred.

In July 2006, we were named as a defendant, together with certain affiliates of Alcan Inc., in a lawsuit brought by Alcoa Inc. seeking to determine responsibility for certain environmental indemnity obligations related to the sale of a cast aluminum plate manufacturing facility located in Vernon, California, which we purchased from Alcoa Inc. in December 1998, and sold to Alcan Rolled Products-Ravenswood LLC in July 1999. The complaint also seeks costs and attorney fees. The matter is in a preliminary stage in the U.S. District Court for the District of Delaware, and we cannot predict the ultimate outcome of this action or estimate a range of possible losses related to this matter at this time.

Matters relating to the St. Croix Alumina Refining Facility

We are a party to a United States Environmental Protection Agency Administrative Order on Consent (the "Order") pursuant to which certain past and present owners of an alumina refining facility at St. Croix, Virgin Islands (the "St. Croix Alumina Refinery") have agreed to carry out a Hydrocarbon Recovery Plan to remove and manage hydrocarbons floating on groundwater underlying the facility. Pursuant to the Hydrocarbon Recovery Plan, recovered hydrocarbons and groundwater are delivered to the adjacent petroleum refinery where they are received and managed. In connection with the sale of the facility by Lockheed Martin Corporation ("Lockheed") to one of our affiliates, Virgin Islands Alumina Corporation ("Vialco"), in 1989, Lockheed, Vialco and Century entered into the Lockheed-Vialco Asset Purchase Agreement. The indemnity provisions contained in the Lockheed-Vialco Asset Purchase Agreement allocate responsibility for certain environmental matters. Lockheed has tendered indemnity to Vialco. We have likewise tendered indemnity to Lockheed. Through June 30, 2015, we have expended approximately $1,033 on the Hydrocarbon Recovery Plan. At this time, we are not able to estimate the amount of any future potential payments under this indemnification to comply with the Order, but we do not anticipate that any such amounts will have a material adverse effect on our financial condition, results of operations or liquidity, regardless of the final outcome. Vialco sold the St. Croix Alumina Refinery to St. Croix Alumina, LLC, a subsidiary of Alcoa in 1995.

In December 2010, Century was among several defendants named in a lawsuit filed by plaintiffs who either worked, resided or owned property in the area downwind from the St. Croix Alumina Refinery. In March 2011, Century was also named a defendant in a nearly identical suit brought by certain additional plaintiffs. The plaintiffs in both suits allege damages caused by the presence of red mud and other particulates coming from the alumina facility and are seeking unspecified monetary damages, costs and attorney fees as well as certain injunctive relief. We have tendered indemnity and defense to St. Croix Alumina LLC and Alcoa Alumina & Chemical LLC under the terms of an acquisition agreement relating to the facility and have filed motions to dismiss plaintiffs’ claims, but the Superior Court of the Virgin Islands, Division of St. Croix has not yet ruled on the motions. At this time, it is not practicable to predict the ultimate outcome of or to estimate a range of possible losses for any of the foregoing actions relating to the St. Croix Alumina Refinery.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

Legal Contingencies

In addition to the foregoing matters, we have pending against us or may be subject to various lawsuits, claims and proceedings related primarily to employment, commercial, stockholder, safety and health matters. While the results of such litigation matters and claims cannot be predicted with certainty, we believe that the final outcome of such matters will not have a material adverse impact on our financial position or results of operations. However, because of the nature and inherent uncertainties of litigation, should the outcome of these actions be unfavorable, our business, financial condition, and results of operations could be materially and adversely affected.

In evaluating whether to accrue for losses associated with legal contingencies, it is our policy to take into consideration factors such as the facts and circumstances asserted, our historical experience with contingencies of a similar nature, the likelihood of our prevailing and the severity of any potential loss. For some matters, no accrual is established because we have assessed our risk of loss to be remote. Where the risk of loss is probable and the amount of the loss can be reasonably estimated, we record an accrual, either on an individual basis or with respect to a group of matters involving similar claims, based on the factors set forth above.

When we have assessed that a loss associated with legal contingencies is reasonably possible, we determine if estimates of possible losses or ranges of possible losses are in excess of related accrued liabilities, if any. Based on current knowledge, management has ascertained estimates for losses that are reasonably possible and management does not believe that any reasonably possible outcomes in excess of our accruals, if any, either individually or in aggregate, would be material to our financial condition, results of operations, or liquidity. We reevaluate and update our assessments and accruals as matters progress over time.

Ravenswood Retiree Medical Benefits changes

In November 2009, Century Aluminum of West Virginia ("CAWV") filed a class action complaint for declaratory judgment against the United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union ("USW"), the USW’s local and certain CAWV retirees, individually and as class representatives, seeking a declaration of CAWV’s rights to modify/terminate retiree medical benefits. Later in November 2009, the USW and representatives of a retiree class filed a separate suit against CAWV, Century Aluminum Company, Century Aluminum Master Welfare Benefit Plan, and various John Does with respect to the foregoing. These actions, entitled Dewhurst, et al. v. Century Aluminum Co., et al., and Century Aluminum of West Virginia, Inc. v. United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union, AFL-CIO/CLC, et al., have been consolidated and venue has been set in the District Court for the Southern District of West Virginia.

In January 2010, the USW filed a motion for preliminary injunction to prevent us from implementing any modifications to the retiree medical benefits while these lawsuits are pending, which was dismissed by the trial court, and affirmed upon appeal. CAWV has filed a motion for summary judgment of these actions. The case in chief is currently proceeding in the trial court, subject to the court’s ruling on the motion for summary judgment.

PBGC Settlement

In June 2011, the PBGC informed us that it believed a "cessation of operations" under ERISA had occurred at our Ravenswood facility as a result of the curtailment of operations at the facility. Although we disagree that a "cessation of operations" occurred, we entered into a settlement agreement with the PBGC in April 2013 to resolve the matter. Pursuant to the terms of the agreement, we will make additional contributions (above any minimum required contributions) to our defined benefit pension plans totaling approximately $17,400 over the term of the agreement. During 2013, we made contributions pursuant to this agreement of approximately $6,700. Under certain circumstances, in periods of lower primary aluminum prices relative to our cost of operations, we may defer one or more of these payments, but we would be required to provide the PBGC with acceptable security for any deferred payments. We elected to defer contributions for 2014 and 2015 under the PBGC agreement and have provided the PBGC with the appropriate security. In March 2015, we made a prepayment of the deferred PBGC contributions of $1,076.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

Power Commitments and Contingencies

Hawesville

Hawesville has a power supply arrangement with Kenergy and EDF Trading North America, LLC (“EDF") which provides market-based power to the Hawesville smelter. Under this arrangement, the power companies purchase power on the open market and pass it through to Hawesville at Midcontinent Independent System Operator ("MISO") pricing plus transmission and other costs. The power supply arrangement with Kenergy has an effective term through December 2023. The arrangement with EDF to act as our market participant with MISO has an effective term through May 2017, extending year to year thereafter unless a one year notice is given.

Sebree

Sebree has a power supply arrangement with Kenergy and EDF which provides market-based power to the Sebree smelter. Similar to the arrangement at Hawesville, the power companies purchase power on the open market and pass it through to Sebree at MISO pricing plus transmission and other costs. The power supply arrangement with Kenergy has an effective term through December 2023. The arrangement with EDF to act as our market participant with MISO has an effective term through May 2017, extending year to year thereafter unless a one year notice is given.

Mt. Holly

Mt. Holly has a power purchase agreement (the "Santee Cooper Agreement") with the South Carolina Public Service Authority ("Santee Cooper") with an effective term through December 2015. The Santee Cooper Agreement provides power for Mt. Holly’s full production capacity requirements at prices based on published rate schedules (which are subject to change), with adjustments for fuel prices and other items. The Santee Cooper Agreement restricts Mt. Holly’s ability to reduce its power consumption (or the associated payment obligations) below contracted levels and to terminate the agreement, unless, in each case, the LME falls below certain negotiated levels.

On June 30, 2014, Mt. Holly gave notice to Santee Cooper under the Santee Cooper Agreement to reduce the contract demand to zero effective December 31, 2015. We are continuing discussions with Santee Cooper and other parties regarding power arrangements for Mt. Holly following December 31, 2015.

Ravenswood

CAWV has a power purchase agreement (the "APCo Agreement") with the Appalachian Power Company ("APCo"). CAWV currently purchases a limited amount of power from APCo as necessary to maintain its curtailed smelter. Power is supplied under the APCo Agreement at prices set forth in published tariffs (which are subject to change), with certain adjustments.

Grundartangi

Nordural Grundartangi ehf has power purchase agreements with HS Orka hf ("HS"), Landsvirkjun and Orkuveita Reykjavikur ("OR") to provide power to its Grundartangi smelter. These power purchase agreements, which will expire on various dates from 2019 through 2036 (subject to extension), provide power at LME-based variable rates. Each power purchase agreement contains take-or-pay obligations with respect to a significant percentage of the total committed and available power under such agreement.

In June 2012, Nordural Grundartangi ehf entered into a supplemental power contract with Landsvirkjun. The supplemental power contract, which will expire in October 2029 (or upon the occurrence of certain earlier events), will provide Nordural Grundartangi ehf with supplemental power, as Nordural Grundartangi ehf may request from time to time, at LME-based variable rates. Nordural Grundartangi ehf has agreed to make certain prepayments to Landsvirkjun for power expected to be used at a later date in connection with the contract, which will reduce the price paid for power at the time of consumption. As of June 30, 2015, these power prepayments totaled approximately $1,910.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

Helguvik

Nordural Helguvik ehf has power purchase agreements with HS and OR to provide power to the Helguvik project. These power purchase agreements provide power at LME-based variable rates and contain take-or-pay obligations with respect to a significant percentage of the total committed and available power under such agreements. The power purchase agreements contain certain conditions to HS’s and OR’s obligations. HS and OR have alleged that certain of these conditions have not been satisfied. The first stage of power under the OR power purchase agreement (approximately 47.5 MW) became available in the fourth quarter of 2011 and is currently being utilized at Grundartangi. In July 2014, HS commenced arbitration proceedings against Nordural Helguvik ehf seeking, among other things, an order declaring, (i) that the conditions to the power contract have not been fulfilled and, (ii) that the power contract is therefore no longer valid. Nordural Helguvik ehf believes HS' renewed claims are without merit and intends to defend itself against them. Nordural Helguvik ehf is in discussions with OR with respect to such conditions and other matters pertaining to these agreements.

In June 2014, Nordural Helguvik ehf entered into a supplemental power contract with OR. The supplemental power contract will expire in October 2036 (or upon the occurrence of certain earlier events) and will provide Grundartangi or Helguvik with supplemental power at LME-based rates, as may be requested from Grundartangi or Helguvik from time to time.

Other Commitments and Contingencies

Labor Commitments

The bargaining unit employees at our Grundartangi, Vlissingen, Hawesville, Sebree and Ravenswood facilities are represented by labor unions, representing 59% of our total workforce.

81% of Grundartangi’s work force is represented by five labor unions, governed by a labor agreement that establishes wages and work rules for covered employees. A new agreement was entered into in March 2015 and is effective through December 31, 2019. 80% of Vlissingen's work force is represented by the Federation for the Metal and Electrical Industry ("FME"), governed by a labor agreement that expired on May 1, 2015. Since such time, we have been operating under the terms of the expired agreement while we engage in negotiations with the FME regarding the terms of a new agreement. The FME negotiates working conditions with trade unions on behalf of its members.

54% of our U.S. based work force is represented by the USW. In June 2015, CAKY entered into a new collective bargaining agreement with the USW for its employees at the CAKY smelter. The agreement is effective through April 1, 2020. In July 2014, Century Sebree entered into a new collective bargaining agreement with the USW for its employees at the Sebree smelter. The agreement is effective through October 28, 2019. The labor agreement for CAWV’s Ravenswood plant employees represented by the USW expired on August 31, 2010.


12.	Forward delivery contracts and financial instruments

As a producer of primary aluminum, we are exposed to fluctuating raw material and primary aluminum prices. From time to time we enter into fixed and market priced contracts for the sale of primary aluminum and the purchase of raw materials in future periods.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

Forward Physical Delivery Agreements

Primary Aluminum Sales and Tolling Contracts



Contract	Customer	Volume	Term	Pricing
Glencore Grundartangi Metal Agreement (1)	Glencore	All primary aluminum produced at Grundartangi, net of tolling and other sales commitments	January 1, 2014 through December 31, 2017	Variable, based on LME and European Duty Paid premium
Glencore U.S. Aluminum Sales Agreement	Glencore	Substantially all of the primary aluminum produced in North America	January 1, 2015 through December 31, 2016	Variable, based on LME and Midwest premium and product premiums, as applicable
Glencore Toll Agreement	Glencore	90,000 tonnes per year ("tpy")	Through July 2016	Variable, based on LME and European Duty Paid premium


(1)	The Glencore Grundartangi Metal Agreement is for all metal produced at Grundartangi from 2014 through 2017, less commitments under existing tolling and other sales contracts. Grundartangi currently estimates that it will sell Glencore approximately 205,000 tonnes of aluminum under this agreement in 2015.

Apart from the Glencore Grundartangi Metal Agreement, the Glencore U.S. Aluminum Sales Agreement and the Southwire Metal Agreement (which expired at the end of 2014), we had the following forward delivery contractual commitments:

Other forward delivery contracts



	June 30, 2015	December 31, 2014
	(in tonnes)
Other forward delivery contracts – total	3,033	6,108
Other forward delivery contracts – Glencore	—	4,058

We had no outstanding primary aluminum forward financial sales contracts at June 30, 2015. We had no fixed price forward financial contracts to purchase aluminum at June 30, 2015.


13.	Supplemental cash flow information



	Six months ended June 30,
	2015		2014
Cash paid for:
Interest	$	9,388	$	9,554
Income/withholding taxes (1)	12,581		6,640
Non-cash investing activities:
Accrued capital costs	$	2,570	$	5,107


(1)	We paid withholding taxes of $8,388 and $2,789 in Iceland on intercompany dividends during the six months ended June 30, 2015 and 2014, respectively. Our tax payments in Iceland for withholding taxes, income taxes and any associated refunds are denominated in Icelandic kronur ("ISK").

In April 2015, we issued shares of common stock to certain employees to settle performance unit liabilities, net of withholding taxes of $1,516.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)


14.	Asset retirement obligations ("ARO")

Our asset retirement obligations consist primarily of costs associated with the disposal of spent pot liner used in the reduction cells of our domestic facilities.

The reconciliation of the changes in the asset retirement obligations is presented below:



	Six months ended June 30, 2015			Year ended December 31, 2014
Beginning balance, ARO liability	$	36,950		$	27,113
Additional ARO liability incurred	2,665			2,548
ARO liabilities settled	(3,798		)	(4,731		)
Accretion expense	913			1,517
Adjustments (1)	(2,541		)	—
ARO liability from Mt. Holly acquisition	—			10,503
Ending balance, ARO liability	$	34,189		$	36,950


(1)	We adjusted our ARO liability for changes in the estimated amounts and timing of costs associated with the disposal of spent pot liner.

Certain conditional AROs related to the disposal costs of fixed assets at our primary aluminum facilities have not been recorded because they have an indeterminate settlement date. These conditional AROs will be initially recognized in the period in which sufficient information exists to estimate their fair value.

15.Components of accumulated other comprehensive loss



	June 30, 2015			December 31, 2014
Defined benefit plan liabilities	$	(108,366	)	$	(128,664	)
Unrealized loss on financial instruments	(1,342		)	(1,249		)
Other comprehensive loss before income tax effect	(109,708		)	(129,913		)
Income tax effect (1)	11,466			12,231
Accumulated other comprehensive loss	$	(98,242	)	$	(117,682	)

(1)The allocation of the income tax effect to the components of other comprehensive income is as follows:



	June 30, 2015			December 31, 2014
Defined benefit plan liabilities	$	12,031		$	12,812
Unrealized loss on financial instruments	(565		)	(581		)

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

The following table summarizes the changes in the accumulated balances for each component of accumulated other comprehensive loss ("AOCI"):



	Defined benefit plan and other postretirement liabilities			Equity in investee other comprehensive income			Unrealized loss on financial instruments			Total, net of tax
Balance, April 1, 2015	$	(115,735	)	$	—		$	(1,869	)	$	(117,604	)
Other comprehensive income before reclassifications (1)	18,042			—			—			18,042
Net amount reclassified to net loss	1,358			—			(38		)	1,320
Balance, June 30, 2015	$	(96,335	)	$	—		$	(1,907	)	$	(98,242	)

Balance, April 1, 2014	$	(77,766	)	$	(12,249	)	$	(1,718	)	$	(91,733	)
Other comprehensive income (loss) before reclassifications	440			—			—			440
Net amount reclassified to net income	(517		)	(17		)	(37		)	(571		)
Balance, June 30, 2014	$	(77,843	)	$	(12,266	)	$	(1,755	)	$	(91,864	)

Balance, December 31, 2014	$	(115,852	)	$	—		$	(1,830	)	$	(117,682	)
Other comprehensive income before reclassifications (1)	18,042			—			—			18,042
Net amount reclassified to net income	1,475			—			(77		)	1,398
Balance, June 30, 2015	$	(96,335	)	$	—		$	(1,907	)	$	(98,242	)

Balance, December 31, 2013	$	(77,921	)	$	(12,232	)	$	(1,679	)	$	(91,832	)
Other comprehensive income (loss) before reclassifications	440			—			—			440
Net amount reclassified to net loss	(362		)	(34		)	(76		)	(472		)
Balance, June 30, 2014	$	(77,843	)	$	(12,266	)	$	(1,755	)	$	(91,864	)


(1)	The gain in other comprehensive income before reclassifications is due to a plan remeasurement related to our labor negotiations, census and other actuarial adjustments.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)

Reclassifications out of AOCI were included in the consolidated statements of operations as follows:



		For the three months ended June 30,						For the six months ended June 30,
AOCI Components	Location	2015			2014			2015			2014
Defined benefit plan and other postretirement liabilities	Cost of goods sold	$	1,612		$	25		$	1,753		$	616
	Selling, general and administrative expenses	136			17			503			285
	Income tax expense	(390		)	(559		)	(781		)	(1,263		)
	Net of tax	$	1,358		$	(517	)	$	1,475		$	(362	)

Equity in investee other comprehensive income	Income tax expense	$	—		$	(17	)	$	—		$	(34	)
	Net of tax	$	—		$	(17	)	$	—		$	(34	)

Unrealized loss on financial instruments	Cost of goods sold	$	(46	)	$	(46	)	$	(93	)	$	(93	)
	Income tax expense	8			9			16			17
	Net of tax	$	(38	)	$	(37	)	$	(77	)	$	(76	)


16.	Components of net periodic benefit cost



	Pension Benefits
	Three months ended June 30,						Six months ended June 30,
	2015			2014			2015			2014
Service cost	$	1,509		$	1,079		$	3,213		$	2,666
Interest cost	3,267			3,101			6,655			5,741
Expected return on plan assets	(5,269		)	(3,701		)	(10,763		)	(7,098		)
Amortization of prior service costs	30			9			55			18
Amortization of net loss	1,405			167			2,024			953
Curtailment	(12		)	—			(12		)	—
Net periodic benefit cost	$	930		$	655		$	1,172		$	2,280



	Other Postretirement Benefits ("OPEB")
	Three months ended June 30,						Six months ended June 30,
	2015			2014			2015			2014
Service cost	$	487		$	117		$	1,049		$	794
Interest cost	1,390			1,695			2,981			3,206
Amortization of prior service cost	(961		)	(961		)	(1,922		)	(1,922		)
Amortization of net loss	1,234			828			2,099			1,852
Net periodic benefit cost	$	2,150		$	1,679		$	4,207		$	3,930

Employer contributions

During the six months ended June 30, 2015, we made contributions of approximately $2,673 to the qualified defined benefit plans we sponsor.

CENTURY ALUMINUM COMPANY

Condensed Notes to the Consolidated Financial Statements (continued)

(amounts in thousands, except share and per share amounts)

(Unaudited)


17.	Subsequent events

We have evaluated all subsequent events through the date the financial statements were issued. See Note 2 Ravenswood impairment for additional information.

Century Aluminum announces cost reduction and cash preservation program

On August 6, 2015, we announced a cost reduction and cash preservation program in response to weak primary aluminum market conditions. The program includes capacity curtailment; reductions in headcount, operating expenses and capital expenditures; and working capital liquidation. We will continue to explore further cost reduction and cash preservation opportunities. As a result of the cost reduction programs, we expect severance-related charges to be incurred and substantially settled in the second half of 2015.

FORWARD-LOOKING STATEMENTS

This quarterly report includes "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, which are subject to the "safe harbor" created by section 27A of the Securities Act of 1933, as amended, and section 21E of the Securities Exchange Act of 1934 (the "Exchange Act"), as amended. Forward-looking statements are statements about future events and are based on our current expectations. These forward-looking statements may be identified by the words “believe,” “expect,” “target,” “anticipate,” “intend,” “plan,” “seek,” “estimate,” “potential,” “project,” “scheduled,” “forecast” or words of similar meaning, or future or conditional verbs such as “will,” “would,” “should,” “could,” “might,” or “may.”

Forward-looking statements in this quarterly report and in our other reports filed with the Securities Exchange Commission (the "SEC"), for example, may include statements regarding:


•	Future global and local financial and economic conditions;


•	Our assessment of the aluminum market and aluminum prices (including premiums);


•	The future financial and operating performance of the Company, its subsidiaries and its projects;


•	Future earnings, operating results and liquidity;


•	Future inventory, production, sales, cash costs and capital expenditures;


•	Future impairment charges or restructuring costs;


•	Our business objectives, strategies and initiatives, including our ability to achieve productivity improvements or cost reductions;


•	Our ability to procure alumina, carbon products and other raw materials and our assessment of pricing and costs and other terms relating thereto;


•	Access to existing or future financing arrangements;


•	Our ability to repay debt in the future, including the E.ON contingent obligation;


•	Estimates of our pension and other postretirement liabilities and future payments, property plant and equipment impairment, environmental liabilities and other contingent liabilities and contractual commitments;


•	Our ability to successfully manage transmission issues and wholesale market power price risk and to control or reduce power costs;


•	Our assessment of power pricing and our ability to successfully obtain and/or implement long-term competitive power arrangements for our operations and projects, including at Mt. Holly;


•	Our ability to successfully produce value-added products at our smelters;


•	Future construction investment and development, including the Helguvik Project, the restart of the second baking furnace at Vlissingen project and our expansion project at Grundartangi, including our ability to secure sufficient amounts of power, future capital expenditures, the costs of completion or cancellation, timing, production capacity and sources of funding;


•	Our ability to derive benefits from acquisitions, including the acquisition of Mt. Holly and Sebree smelters, and to successfully integrate these operations with the rest of our business;


•	Our ability to realize the potential benefits to be provided to Grundartangi and our planned Helguvik smelter from the purchase by Century Vlissingen of carbon anode production assets in the Netherlands;


•	Our plans with respect to closure of our Ravenswood, West Virginia smelter, and potential curtailment of other domestic assets;


•	The anticipated impact of recent accounting pronouncements or changes in accounting principles;


•	Our anticipated tax liabilities, benefits or refunds including the realization of U.S. and certain foreign deferred tax assets;


•	Our assessment of the ultimate outcome of outstanding litigation and environmental matters and liabilities relating thereto; and


•	The effect of future laws and regulations.

Where we express an expectation or belief as to future events or results, such expectation or belief is expressed in good faith and believed to have a reasonable basis. However, our forward-looking statements are based on current expectations and assumptions that are subject to risks and uncertainties which may cause actual results to differ materially from future results expressed, projected or implied by those forward-looking statements. Important factors that could cause actual results and events to differ from those described in such forward-looking statements can be found in the risk factors and forward-looking statements cautionary language contained in our Annual Report on Form 10-K, quarterly reports on Form 10-Q and in other filings made with the SEC. Although we have attempted to identify those material factors that could cause actual results or events to differ from those described in such forward-looking statements, there may be other factors that could cause results or events to differ from those anticipated, estimated or intended. Many of these factors are beyond our ability to control or predict. Given these uncertainties, the reader is cautioned not to place undue reliance on our forward-looking statements. We undertake no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events, or otherwise.

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

Recent Developments

Century Aluminum announces cost reduction and cash preservation program

Century announces the permanent closure of the Ravenswood smelter

On July 27, 2015, we announced the immediate and permanent closure of the Ravenswood, West Virginia aluminum smelter. The Ravenswood smelter has been idled since February 2009. The decision to permanently close the Ravenswood smelter was based on the inability to secure a competitive power contract for the smelter, compounded by challenging aluminum market conditions largely driven by increased exports of aluminum from China. As a result, the economics of restarting and operating the facility are unfavorable. See Note 2 Ravenswood impairment to the consolidated financial statements included herein for additional information.

Amendment to the U.S. revolving credit facility

In June 2015, we entered into an amendment to the U.S. revolving credit facility to increase our letter of credit sub-facility to $110 million and extend the maturity to June 26, 2020. See Note 10 Debt to the consolidated financial statements included herein for additional information.

Five-year labor agreement signed at CAKY

In June 2015, CAKY entered into a new collective bargaining agreement with the USW for its employees at the CAKY smelter. The agreement is effective through April 1, 2020.

Five-year labor agreement signed at Nordural

In March 2015, we reached a new labor agreement with the five labor unions representing approximately 81% of Grundartangi’s work force. The new labor agreement expires on December 31, 2019.

Results of Operations

The following discussion reflects our historical results of operations.

Century’s financial highlights include:



	Three months ended June 30,					Six months ended June 30,
	2015			2014		2015		2014
	(In thousands, except per share data)
NET SALES:
Related parties	$	513,681		$	288,573	$	1,089,410	$	574,156
Third-party customers	9,810			169,751		21,992		305,015
Total net sales	$	523,491		$	458,324	$	1,111,402	$	879,171
Gross profit	$	8,342		$	38,504	$	102,437	$	36,746
Net income (loss)	$	(33,897	)	$	20,344	$	39,882	$	240
EARNINGS (LOSS) PER COMMON SHARE:
Basic	$	(0.39	)	$	0.21	$	0.42	$	0.00
Diluted	(0.39		)	0.21		0.41		0.00



SHIPMENTS - PRIMARY ALUMINUM

	Direct (1)						Toll
	United States			Iceland			Iceland
	Tonnes	Sales $ (000)		Tonnes	Sales $ (000)		Tonnes	Sales $ (000)
2015
2nd Quarter	157,373	$	371,898	50,056	$	110,083	26,521	$	37,858
1st Quarter	169,306	421,141		45,967	112,662		29,985	46,617
Total	326,679	$	793,039	96,023	$	222,745	56,506	$	84,475
2014
2nd Quarter	143,439	$	325,650	39,593	$	82,328	33,012	$	48,441
1st Quarter	136,532	296,889		36,764	74,370		33,489	47,185
Total	279,971	$	622,539	76,357	$	156,698	66,501	$	95,626


(1)	Excludes scrap aluminum sales.



Net sales (in millions)	2015		2014		$ Difference		% Difference
Three months ended June 30,	$	523.5	$	458.3	$	65.2	14.2	%
Six months ended June 30,	$	1,111.4	$	879.2	$	232.2	26.4	%

During the three months ended June 30, 2015, higher shipment volumes, due to the acquisition of the Mt. Holly smelter on December 1, 2014 and a shift from toll to direct sales at Grundartangi, had a positive impact on net sales of $45.6 million. Higher price realization had a positive impact on net sales of $19.6 million. Direct shipments from our four operating smelters increased 24,397 tonnes in the three months ended June 30, 2015 compared to the same period in 2014. Toll shipments decreased 6,491 tonnes relative to the same period last year.

During the six months ended June 30, 2015, higher shipment volumes, due to the acquisition of the Mt. Holly smelter on December 1, 2014 and a shift from toll to direct sales at Grundartangi, had a positive impact on net sales of $139.1 million. Higher price realization had a positive impact on net sales of $93.1 million. Direct shipments from our four operating smelters increased 66,374 tonnes in the six months ended June 30, 2015 compared to the same period in 2014. Toll shipments decreased 9,995 tonnes relative to the same period last year.



Gross profit (in millions)	2015		2014		$ Difference			% Difference
Three months ended June 30,	$	8.3	$	38.5	$	(30.2	)	(78.4	)%
Six months ended June 30,	$	102.4	$	36.7	$	65.7		179.0	%

During the three months ended June 30, 2015, gross profit was negatively impacted by the labor disruption at our Hawesville facility, unfavorable alumina pricing and the write down of our inventories to the current market value below its cost basis.

From May 12, 2015 until June 15, 2015, the Hawesville facility experienced a labor disruption relating to the negotiation of a new collective bargaining agreement with the bargaining unit employees at the facility. During the labor disruption, Century’s salaried employees and temporary replacement workers operated the facility. A new collective bargaining agreement for the facility was ratified on June 11, 2015 and bargaining unit employees returned to the facility on June 15, 2015. Century incurred direct expenses of $11.7 million and $12.0 million in the three and six months ended June 30, 2015, respectively, for such things as replacement workers, internal payroll, security, supplies, services and legal fees, net of labor cost savings, during the labor disruption.

During the three and six months ended June 30, 2015, rising alumina prices negatively impacted gross profit by $23.0 million and $38.0 million, respectively. For 2015, we agreed to price all of the purchases under our alumina supply agreement with Glencore based on a published alumina market index. For 2014, a majority of our purchases were indexed to the LME price for primary aluminum at index rates below 2015 market rates under a long-term alumina purchase agreement that expired December 31, 2014.

Due to the nature of our business, our inventory values are subject to fluctuations in market value and these fluctuations can have a significant impact on cost of goods sold and gross profit in any period. On average, our inventory turns eight times within a year and reductions in value below cost basis at the end of a period are the basis for inventory as it turns in subsequent periods.

As of March 31, 2015 and December 31, 2014, the market value of our inventory was above its cost basis requiring no valuation adjustments. As of June 30, 2015, the market value of our inventory was below its cost basis, resulting in the recording of a lower of cost or market (“LCM”) valuation adjustment and a charge to cost of goods sold of $25.7 million. As of December 31, 2013, the market value of our inventory was below its cost basis with an LCM valuation adjustment of $1.2 million. During the three months ended March 31, 2014, inventory with a $1.2 million market valuation adjustment was consumed into cost of goods sold at the lower basis. The net impact of the June 30, 2015 and December 31, 2013 market valuation adjustments on the 2015 and 2014 comparative results is a decrease in gross profit of $25.7 million for the three month period and a decrease in gross profit of $26.9 million for the six month period.

In addition to the cost increases discussed above, during the three months ended June 30, 2015, we experienced $6.9 million in net cost decreases at our smelters relative to the same period in 2014, comprised of: lower costs for power and natural gas, $26.9 million; increased costs at our casting operations to support our increased presence in the value-added business, $6.9 million and other cost increases of $13.1 million. During the six months ended June 30, 2015, we experienced $44.0 million in net cost decreases at our smelters relative to the same period in 2014, comprised of: lower costs for power and natural gas, $73.7 million; increased costs at our casting operations to support our increased presence in the value-added business, $16.1 million and other cost increases of $13.6 million.

Higher sales price realizations and the contribution to gross profit from increased sales volume had a positive impact on gross profit of $23.3 million and $104.1 million for the three and six months ended June 30, 2015, respectively.

As part of the accounting for the purchase of the Sebree smelter, we recorded a $36.6 million estimated liability for the power contract we assumed based on the difference between the forecasted contract rates and market power rates through the contract termination date in January 2014. This liability was fully amortized over the period from June 1, 2013 through January 31, 2014, resulting in a credit to our depreciation and amortization expense. During the three and six months ended June 30, 2014, the credit for the amortization of the power contract was $0.0 million and $5.5 million, respectively. The reduction in amortization from 2014 to 2015 resulted is a decrease in gross profit of $0.0 million and $5.5 million for the three and six months ended June 30, 2015.



Selling, general and administrative expenses (in millions)	2015		2014		$ Difference			% Difference
Three months ended June 30,	$	10.0	$	10.6	$	(0.6	)	(5.7	)%
Six months ended June 30,	$	22.0	$	20.7	$	1.3		6.3	%

During the six months ended June 30, 2015, selling, general and administrative expenses were greater than the same period last year. Major contributors to the increased expenses were external professional service support and additional charges related to the separation of a former senior executive.



Ravenswood impairment (in millions)	2015		2014		$ Difference		% Difference
Three months ended June 30,	$	30.9	$	—	$	30.9	N/A
Six months ended June 30,	$	30.9	$	—	$	30.9	N/A

At June 30, 2015, we recorded an impairment charge of $30.9 million related to the Ravenswood, West Virginia aluminum smelter. The charge included $21.5 million to write down property, plant and equipment to estimated net salvage value and $7.8 million to write down inventory to its net realizable value. We also accrued $1.6 million for employee severance and other exit costs which are expected to be substantially paid by the end of 2015. See Note 2 Ravenswood impairment to the consolidated financial statements included herein for additional information.



Unrealized gain on fair value of contingent consideration (in millions)	2015		2014		$ Difference		% Difference
Three months ended June 30,	$	10.3	$	—	$	10.3	N/A
Six months ended June 30,	$	16.8	$	—	$	16.8	N/A

On December 1, 2014, we acquired Alcoa’s 50.3% stake in Mt. Holly. The purchase agreement provides for a post-closing payment based on changes in the Midwest Transaction Price and production levels at Mt. Holly during the applicable measuring period. The measurement period for this potential payment ends on December 31, 2015. Due to movements in aluminum market prices during both the first and second quarters of 2015, the fair value of the contingent consideration was reduced by $6.5 million and $10.3 million, respectively, resulting in a $16.8 million unrealized gain in the first six months of 2015. See Note 4 Business acquisitions to the consolidated financial statements included herein for additional information.



Income tax expense (in millions)	2015			2014			$ Difference			% Difference
Three months ended June 30,	$	(5.1	)	$	(1.7	)	$	(3.4	)	200.0	%
Six months ended June 30,	$	(14.4	)	$	(0.6	)	$	(13.8	)	2,300.0	%

We have a valuation allowance against all of our U.S. and certain foreign deferred tax assets. The significant driver of period to period differences in income tax expense is the change in earnings at our foreign entities that are not subject to a valuation allowance. See Note 8 Income taxes to the consolidated financial statements included herein for additional information.

Liquidity and Capital Resources

Liquidity

Our principal sources of liquidity are available cash, cash flow from operations and borrowing capacity under our existing revolving credit facilities. We have also raised capital in the past through the public equity and debt markets, and we regularly explore various other financing alternatives. Our principal uses of cash include the funding of operating costs (including post-retirement benefits), maintenance of curtailed production facilities, debt service requirements, the funding of capital expenditures, investments in our growth activities and in related businesses, working capital, repurchases of common stock and other general corporate requirements.

Our consolidated cash and cash equivalents balance at June 30, 2015 was approximately $167 million compared to approximately $163 million at December 31, 2014.

Availability Under Our Credit Facilities

We have a senior secured revolving credit facility, dated June 26, 2015, as amended, with a syndicate of lenders which provides for borrowings of up to $150 million in the aggregate (the "U.S. revolving credit facility"). We have also entered into, through our wholly-owned subsidiary Nordural Grundartangi ehf, a $50 million revolving credit facility, dated November 27, 2013 (the "Iceland revolving credit facility"). Century's U.S. revolving credit facility matures in June 2020 and our Iceland revolving credit facility matures in November 2016.

As of June 30, 2015, our credit facilities had approximately $123 million of net availability, after consideration of our outstanding letters of credit. We borrow and make repayments under our credit facilities in the ordinary course based on a number of factors, including the timing of payments from our customers and payments to our suppliers. We did not have a material amount of borrowings and repayments under our credit facilities for the six months ended June 30, 2015.

As of June 30, 2015, we had approximately $77 million of letters of credit outstanding under our U.S. revolving credit facility with 80% related to our domestic power commitments and the remainder securing certain debt and workers' compensation commitments. With the acquisition of Mt. Holly, Santee Cooper required us to post a letter of credit to secure our power obligations under the existing power contract. As of June 30, 2015, we had a $44 million letter of credit with Santee Cooper, which decreases automatically on a monthly basis by an amount between $4 and $6 million until the letter of credit expires in February 2016. We are in discussions with Santee Cooper regarding power arrangements at Mt. Holly following December 31, 2015 and we may be required to post additional security in the form of letters of credit at such time.

In addition, on January 1, 2015, EDF replaced Big Rivers as our market participant with MISO for our power supply arrangements in Kentucky. The transition to EDF reduced our outstanding letters of credit by approximately $40 million, however future collateral requirements can fluctuate with power prices and other factors beyond our control.

The availability of funds under our credit facilities is limited by a specified borrowing base consisting of certain accounts receivable, inventory and qualified cash deposits. Our Glencore U.S. Aluminum Sales Agreement has shorter payment terms than we have had historically. The shorter payment terms will reduce our accounts receivable and amounts due from affiliates, which comprise part of the borrowing base of our revolving credit facilities, and could result in a corresponding reduction in availability under the revolving credit facilities. Although the shorter payment terms will reduce our borrowing base, it should improve our cash and cash equivalents balance by accelerating payments from our customer and reducing finished goods inventory on-hand. In addition, any future curtailments of production capacity would decrease our borrowing base by reducing our accounts receivable and inventory balances.

Senior Secured Notes

We have $250 million in 7.5% senior secured notes payable that will mature on June 1, 2021.

Acquisitions

On December 1, 2014, we acquired Alcoa’s 50.3% stake in Mt. Holly for $67.5 million in cash subject to working capital and several other adjustments. The acquisition is also subject to economic adjustments intended to place the parties in approximately the same economic position as they would have been in had the acquisition closed on September 30, 2014. In December 2014, we made an initial payment of $53.8 million with available cash on hand. In April 2015, we made an additional payment of approximately $38.2 million, primarily related to pension funding obligations, final working capital and economic adjustments, net of certain amounts owed by Alumax to Mt. Holly.

In addition, the purchase agreement provides for a post-closing cash payment to be made following December 31, 2015 based on changes in the Midwest Transaction Price between July 2, 2014 and December 31, 2015 and production levels at Mt. Holly from October 1, 2014 through December 31, 2015. The maximum amount of this post-closing cash payment by Century to Alcoa is $22.5 million and by Alcoa to Century is $12.5 million. Based on current market conditions, we estimate that Alcoa would be obligated to pay Century approximately $11.0 million in the first quarter of 2016 for this post-closing payment. See Note 4 Business acquisitions to the consolidated financial statements included herein for additional information.

Contingent Commitments

We have a contingent obligation to E.ON which consists of the aggregate E.ON payments made to Big Rivers on CAKY’s behalf in excess of the agreed upon base amount under the long-term cost-based power contract with Kenergy. As of June 30, 2015, the principal and accrued interest for the E.ON contingent obligation was $18.9 million, which was fully offset by a derivative asset. We may be required to make installment payments for the E.ON contingent obligation in the future. These payments are contingent based on the LME price of primary aluminum and the level of Hawesville’s operations. Based on the LME forward market at June 30, 2015 and management’s estimate of the LME forward market beyond the quoted market period, we have assessed that we will not be required to make payments on the E.ON contingent obligation during the term of the agreement through 2028. There can be no assurance that circumstances will not change thus accelerating the timing of such payments. See Note 10 Debt to the consolidated financial statements included herein for additional information.

Employee Benefit Plan Contributions

In 2013, we entered into a settlement agreement with the PBGC regarding an alleged "cessation of operations" at our Ravenswood facility as a result of the curtailment of operations at the facility. Pursuant to the terms of the agreement, we will make additional contributions (above any minimum required contributions) to our defined benefit pension plans over the term of the agreement. The remaining contributions under this agreement are approximately $9.6 million, of which approximately $3.7 million and $4.0 million was scheduled to be made in 2014 and 2015, respectively. Under certain circumstances, in periods of low primary aluminum prices relative to our operations, we may defer one or more of these payments, but we would be required to provide the PBGC with acceptable security for any deferred payments. In 2014 and 2015, we elected to defer contributions under the PBGC agreement and have provided the PBGC with the appropriate security. In March 2015, we made a prepayment of the deferred PBGC contributions of $1.1 million.

In addition to the contributions required pursuant to the PBGC settlement, based on current actuarial and other assumptions, we expect to make minimum required contributions to the qualified defined benefit plans and unqualified supplemental executive retirement benefits ("SERB") plan of approximately $4.2 million and $1.7 million, respectively, for total pension contributions of $5.9 million during 2015, not including contributions to the Mt. Holly defined benefit plan that were made as part of the acquisition agreement, see above. Through June 30, 2015, we have made $2.7 million in contributions to our qualified defined benefit plans, not including contributions to the Mt. Holly defined benefit plan that were made as part of the acquisition agreement. We may choose to make additional contributions to these plans from time to time at our discretion.

Other items

In February 2015, Nordural ehf participated in the 50/50 ISK Auctions (the "Auctions") sponsored by the Central Bank of Iceland ("CBI") and may participate in future Auctions. The Auctions allow authorized investors to exchange foreign currency for ISK with 50% exchanged at the official rate set by the CBI and 50% exchanged at the Auction rate. The ISK received in the Auction must be invested in Iceland for a minimum of five years.

In May 2015, we paid Icelandic withholding taxes on intercompany dividends of approximately $8.4 million, which we anticipate will be refunded in November 2016. During 2014, we paid Icelandic withholding taxes on intercompany dividends of approximately $5.5 million, which we anticipate will be refunded in November 2015. The withholding taxes and associated refunds are payable in Icelandic kronur ("ISK") and we are subject to foreign currency risk associated with fluctuations in the value of the U.S. dollar as compared the ISK.

In August 2011, our Board of Directors approved a $60 million common stock repurchase program. In 2015, our Board expanded the repurchase program by approving an additional $70 million, increasing the authorization to repurchase up to $130 million. Through June 30, 2015, we had expended approximately $86.3 million under the program and repurchased 7.2 million common shares. During the three and six months ended June 30, 2015, we repurchased 1.2 million and 2.4 million common shares for $19.4 million and $36.4 million, respectivley. At June 30, 2015, we had approximately $43.7 million remaining under the repurchase program authorization. The repurchase program may be expanded, suspended or discontinued by our Board, in its sole discretion, at any time.

In June 2012, Nordural Grundartangi ehf entered into a new supplemental power contract with Landsvirkjun. The supplemental power contract, which will expire in October 2029 (or upon the occurrence of certain earlier events), will provide Nordural Grundartangi ehf with supplemental power, as Nordural Grundartangi ehf may request from time to time, at LME-based variable rates. Nordural Grundartangi ehf has agreed to make certain prepayments to Landsvirkjun for power expected to be used at a later date in connection with the contract, which will reduce the price paid for power at the time of consumption. As of June 30, 2015, these power prepayments totaled approximately $1.9 million.

We are also a defendant in several actions relating to various aspects of our business. While it is impossible to predict the ultimate disposition of any litigation, we do not believe that any of these lawsuits, either individually or in the aggregate, will have a material adverse effect on our financial condition, results of operations or liquidity. See Note 11 Commitments and contingencies to the consolidated financial statements included herein for additional information.

Capital Resources

We intend to finance our future recurring capital expenditures from available cash, cash flow from operations and available borrowing capacity under our existing revolving credit facilities. For major investment projects, such as the Helguvik project, we would likely seek financing from various capital and loan markets, and may potentially pursue the formation of strategic alliances. We may be unable, however, to issue additional debt or equity securities, or enter into other financing arrangements on attractive terms, or at all, due to a number of factors including a lack of demand, unfavorable pricing, poor economic conditions, unfavorable interest rates, or our financial condition or credit rating at the time. Future uncertainty in the U.S. and international markets and economies may adversely affect our liquidity, our ability to access the debt or capital markets and our financial condition.

Capital expenditures for the six months ended June 30, 2015 were $31.4 million, of which approximately $3.2 million was related to the Grundartangi expansion project and $4.6 million was related to Century Vlissingen. The remaining amounts are related to upgrading production equipment, improving facilities and complying with environmental requirements. We believe total capital spending in 2015 will be approximately $55 to $65 million, primarily related to our ongoing expansion project at Grundartangi, our restart of the second furnace at Vlissingen and other investment projects at our North American facilities.

In late 2014, we began a project to restart the second baking furnace at Vlissingen, which will increase total annual carbon anode production capacity to 150,000 tonnes. The project is expected to be completed by the end of 2015 at an estimated cost of $12 million.

In fourth quarter of 2014, we also began a capital project to improve the efficiency of Hawesville's carbon anode rodding operations. The project is expected to be completed in the fourth quarter of 2015 at an estimated cost of $16 million.

We have made and continue to make capital expenditures for the construction and development of our Helguvik project. We have substantial future contractual commitments for the Helguvik project. If we were to cancel the Helguvik project, we estimate that our exposure to contract cancellation and other costs would be approximately $20 million, of which we currently have accrued liabilities of approximately $12.7 million. We are continuing to negotiate with the power suppliers to the project to, among other things, remove all the remaining conditions to their obligations to supply contracted power. The timing of the power availability together with other factors will determine the timing of resumption of major construction activity at

Helguvik. We expect that capital expenditures for this project will be less than $0.5 million per year until the restart of major construction activities. We cannot, at this time, predict when the restart of major construction activity will occur.

Adjusted EBITDA

We use certain non-GAAP measures when reviewing our operating results, including adjusted EBITDA. We define adjusted EBITDA as operating income (loss) adjusted for certain non-cash items from the statement of cash flows and certain non-recurring items.

Our calculations of adjusted EBITDA may not be comparable to similarly titled measures reported by other companies due to differences in the components used in their calculations. We believe the presentation of adjusted EBITDA is a useful measure to help investors evaluate our capacity to fund our ongoing cash operating requirements, including capital expenditures and debt service obligations. Adjusted EBITDA should not be considered as a substitute for operating income (loss) as determined in accordance with GAAP.

The following table includes a reconciliation of adjusted EBITDA to operating income (loss), the most comparable GAAP financial measure.



	Three months ended June 30,						Six months ended June 30,
	2015			2014			2015		2014
	(in thousands)
Operating income (loss)	$	(35,121	)	$	26,012		$	44,924	$	11,778
Depreciation	18,278			17,375			36,409		35,143
Ravenswood impairment	30,850			—			30,850		—
Sebree power contract amortization	—			—			—		(5,534		)
Non-cash inventory adjustments	25,689			(140		)	25,689		(1,247		)
Hawesville labor disruption	11,713			—			11,713		—
Litigation items	—			500			1,000		3,600
Adjusted EBITDA	$	51,409		$	43,747		$	150,585	$	43,740

Historical

Our statements of cash flows for the six months ended June 30, 2015 and 2014 are summarized below:



	Six months ended June 30,
	2015			2014
	(in thousands)
Net cash provided by operating activities	$	110,316		$	8,628
Net cash used in investing activities	(69,798		)	(25,458		)
Net cash used in financing activities	(36,352		)	(5,874		)
Change in cash and cash equivalents	$	4,166		$	(22,704	)

Net cash provided by operating activities for the six months ended June 30, 2015 was $110.3 million, compared to $8.6 million for the six months ended June 30, 2014. The increase in cash provided by operating activities in 2015 compared to 2014 was primarily due to approximately $107 million higher adjusted EBITDA in 2015 compared to 2014; approximately $6 million higher tax payments in 2015 compared to 2014; $4 million higher cash used for working capital in 2015 compared to 2014. In addition, we paid a one-time separation payment to our former CEO of approximately $10 million in 2014.

Our net cash used in investing activities for the six months ended June 30, 2015 was $69.8 million, compared to $25.5 million for the six months ended June 30, 2014. The increase in cash used was primarily due a $38.2 million payment for the Mt. Holly acquisition in 2015. Capital expenditures, other than Vlissingen, were $9.8 million higher in 2015 compared to 2014. This increase in cash used was partially offset by $2.6 lower capital expenditures at Vlissingen in 2015 compared to

2014, as the initial furnace restart project was being completed in 2014. In addition, restricted cash deposits were $1.0 million lower in 2015 compared to 2014. Our restricted cash is primarily related to workers compensation surety bonds.

Our net cash used in financing activities for the six months ended June 30, 2015 was $36.4 million, compared to $5.9 million for the six months ended June 30, 2014. The change was primarily related to expenditures under our expanded share repurchase program of $36.4 million in 2015. For the six months ended June 30, 2014 we had net line of credit repayments of $6.0 million compared to no net repayments in the six months ended June 30, 2015.

Critical Accounting Estimates

Inventories

Inventories are stated at lower of cost or market. Our raw materials, work in process and finished goods are stated on a first-in, first-out basis and other operating materials are stated at average cost.

Our estimate of the market value of our inventories involves establishing a net realizable value for both finished goods and the components of inventory that will be converted to finished goods, raw materials and work in process. This requires management to use its judgment when making assumptions about future selling prices and the costs to complete our inventory during the period in which it will be sold.

Our assumptions are subject to inherent uncertainties given the volatility surrounding the market price for primary aluminum sales and the market price for one of our major inputs, electrical power.

Although we believe that the assumptions used to estimate the market value of our inventory are reasonable, actual market conditions at the time our inventory is sold may be more or less favorable than management’s current estimates.

Item 3. Quantitative and Qualitative Disclosures about Market Risk.

Commodity Price Sensitivity

We are exposed to price risk for primary aluminum. From time to time, we may manage our exposure to fluctuations in the price of primary aluminum through financial instruments designed to protect our downside price risk exposure. In addition, we manage our exposure to fluctuations in our costs by purchasing certain of our alumina and power requirements under supply contracts with prices tied to the same indices as our aluminum sales contracts (the LME price of primary aluminum). Our risk management activities do not include any trading or speculative transactions.

For information about our long-term primary aluminum metal sales and tolling agreement, see Note 12 Forward delivery contracts and financial instruments to the consolidated financial statements included herein.

Other forward delivery contracts



	June 30, 2015	December 31, 2014
	(in tonnes)
Other forward delivery contracts – total	3,033	6,108
Other forward delivery contracts – Glencore	—	4,058

We had no outstanding primary aluminum forward financial sales contracts at June 30, 2015. We had no fixed price forward financial contracts to purchase aluminum at June 30, 2015.

Market-Based Power Price Sensitivity

Market-Based Electrical Power Agreements

Hawesville and Sebree have market-based electrical power agreements. Under the market-based power agreements, EDF and Kenergy purchase market-based electrical power on the open market and pass it through to Hawesville and Sebree at MISO pricing, plus transmission and other costs incurred by them.

Electrical Power Price Sensitivity

With the movement toward market-based power supply agreements, we have increased our electrical power price risk for our domestic operations due to fluctuations in the price of power available on the MISO market. Power represents our single largest operating cost, so changes in the price and/or availability of market power could significantly impact the profitability and viability of our Hawesville, Sebree and Mt. Holly operations. Transmission line outages, problems with grid stability or limitations on energy import capability could also increase power prices, disrupt production through pot instability or force a curtailment of all or part of the production at these facilities. In addition, indirect factors that lead to power cost increases, such as any increasing prices for natural gas or coal, fluctuations in or extremes in weather patterns or new or more stringent environmental regulations may severely impact our financial condition, results of operations and liquidity.



Electrical power price sensitivity by location:
	Hawesville		Sebree		Total
Expected average load (in megawatts ("MW"))	482		385		867
Quarterly estimated electrical power usage (in megawatt hours ("MWh"))	1,055,580		843,150		1,898,730
Quarterly cost impact of an increase or decrease of $1 per MWh (in thousands)	$	1,100	$	800	$	1,900
Annual expected electrical power usage (in MWh)	4,222,320		3,372,600		7,594,920
Annual cost impact of an increase or decrease of $1 per MWh (in thousands)	$	4,200	$	3,400	$	7,600

While we currently have not entered into any forward contracts to mitigate the price risk associated with our open market power purchases, we may manage our exposure by entering into certain forward contracts or option contracts in future periods.

Foreign Currency

We are exposed to foreign currency risk due to fluctuations in the value of the U.S. dollar as compared to the ISK, the euro, the Chinese yuan and other currencies. Grundartangi’s labor costs, part of its maintenance costs and other local services are denominated in ISK and a portion of its anode costs are denominated in euros and the Chinese yuan. We have deposits denominated in ISK in Icelandic banks; in addition, our tax payments in Iceland for withholding taxes on intercompany dividends and estimated payments of Icelandic income taxes and any associated refunds are denominated in ISK. As a result, an increase or decrease in the value of those currencies relative to the U.S. dollar would affect Grundartangi’s operating margins. We expect to incur significant capital expenditures for Vlissingen in 2015, primarily denominated in euros. In addition, Vlissingen's labor costs, maintenance costs and other local services are denominated in euros. We expect to incur additional capital expenditures for the construction of the Helguvik project, although we continue to evaluate the Helguvik project’s cost, scope and schedule. Upon a restart of major construction for the Helguvik project, we have forecasted that a significant portion of the capital expenditures would be denominated in currencies other than the U.S. dollar, with significant portions in ISK, euros and Swiss francs.

We may manage our exposure by entering into foreign currency forward contracts or option contracts for forecasted transactions and projected cash flows for foreign currencies in future periods.

Natural Economic Hedges

Any analysis of our exposure to the commodity price of aluminum should consider the impact of natural hedges provided by certain contracts that contain pricing indexed to the LME price for primary aluminum. Certain of our alumina contracts, as well as certain of Grundartangi’s electrical power and tolling contracts, are indexed to the LME price for primary aluminum and provide a natural hedge for a portion of our production.

Risk Management

Our metals, power, natural gas and foreign currency risk management activities are subject to the control and direction of senior management within guidelines established by Century’s Board of Directors. These activities are regularly reported to Century’s Board of Directors.

Item 4. Controls and Procedures.

a. Evaluation of Disclosure Controls and Procedures

As of June 30, 2015, we carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of our disclosure controls and procedures. Based upon that evaluation, our management, including the Chief Executive Officer and Chief Financial Officer, concluded that our disclosure controls and procedures were effective as of June 30, 2015.

b. Changes in Internal Control over Financial Reporting

During the three months ended June 30, 2015, there were no changes in our internal control over financial reporting that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting. On December 1, 2014, we acquired the remaining interest in the Mt. Holly smelter and we are currently in the process of extending our internal control over financial reporting to Mt. Holly's operations.

PART II – OTHER INFORMATION

Item 1. Legal Proceedings.

We are a party from time to time in various legal actions arising in the normal course of business, the outcomes of which, in the opinion of management, neither individually nor in the aggregate are likely to result in a material adverse effect on our financial position, operating results and cash flows. For information regarding legal proceedings pending against us at June 30, 2015, refer to Note 11 Commitments and contingencies to the consolidated financial statements included herein.

Item 1A. Risk Factors.

Other than the following update, there have been no material changes from the risk factors previously disclosed under the heading “Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended December 31, 2014. You should carefully consider the risk factors set forth below and those contained in our Annual Report on Form 10-K and the other information set forth elsewhere in this Quarterly Report on Form 10-Q. You should be aware that these risk factors and other information may not describe every risk facing our Company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition and/or operating results.

In Item 1A of our 2014 Form 10-K, we included the risk factor, “Climate change legislation or environmental regulations may adversely impact our operations.” The following is an update to that risk factor:

Climate change legislation or environmental regulations may adversely impact our operations

On August 3, 2015, the U.S. Environmental Protection Agency (EPA) issued the final version of its Clean Power Plan. Under the Clean Power Plan, states will be required to meet carbon emission reduction standards which represent substantial reductions from historic and current emission levels. These regulations could have a variety of adverse effects on our business. Electricity represents our single largest operating cost and the availability of electricity at competitive prices is critical to the profitability of our operations. Some of the power we purchase in the United States is generated at coal-based power plants, which are likely to be significantly impacted by these regulations. For example, these regulations could require permanent closure of significant amounts of coal-based power generation. Replacement generation would likely be more expensive, including substantial amounts of renewable generation, which additional costs would likely be passed down to us in the form of higher rates. This may significantly increase our operating costs and could have a material adverse effect on our business, financial position, results of operations and liquidity. Even small increases in power prices could have a disproportionate impact on our business if such price increases are not supported by then current aluminum prices.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.



Period	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Programs	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Program (1)
April 1 through April 30	1,200,000	$	14.09	1,200,000	$	43,724,116
May 1 through May 31	—	—		—	43,724,116
June 1 through June 30	—	—		—	43,724,116
Total for quarter ended June 30, 2015	1,200,000	$	14.09	1,200,000	$	43,724,116

(1)

In August 2011, our Board of Directors approved a $60 million common stock repurchase program. In the first quarter of 2015, our Board expanded the repurchase program by approving an additional $70 million. Under the expanded program, Century is authorized to repurchase up to $130 million of our outstanding shares of common stock, from time to time, on the open market at prevailing market prices, in block trades or otherwise. The timing and amount of any shares repurchased will be determined by our management based on its evaluation of market conditions, the trading price of our common stock and other factors. The stock repurchase program may be suspended or discontinued at any time.

Item 5. Other Information.

Disclosure Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act

Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 (“ITRA”), effective August 10, 2012, added a new subsection (r) to Section 13 of the Exchange Act, which requires issuers that file periodic reports with the SEC to disclose in their annual and quarterly reports whether, during the reporting period, they or any of their “affiliates” (as defined in Rule 12b-2 under the Exchange Act) have knowingly engaged in specified activities or transactions relating to Iran, including activities not prohibited by U.S. law and conducted outside the U.S. by non-U.S. affiliates in compliance with applicable laws. Issuers must also file a notice with the SEC if any disclosable activity under ITRA has been included in an annual or quarterly report.

Because the SEC defines the term “affiliate” broadly, our largest stockholder may be considered an affiliate of the Company despite the fact that the Company has no control over its largest stockholder’s actions or the actions of its affiliates. As such, pursuant to Section 13(r)(1)(D)(iii) of the Exchange Act, the Company hereby discloses the following information provided by our largest stockholder regarding transactions or dealings with entities controlled by the Government of Iran (“the GOI”):

During the second quarter of 2015, a non-U.S. affiliate of the largest stockholder of the Company (“the non-U.S. Stockholder Affiliate”) entered into a sales contract for agricultural products for delivery to an Iranian entity wholly or majority owned by the GOI. The non-U.S. Stockholder Affiliate performed its obligations under the contract in compliance with applicable sanction laws and, where required, with the necessary prior approvals by the relevant governmental authorities.

The gross revenue of the non-U.S Stockholder Affiliate related to the contract did not exceed the value of $16 million for the quarter ended June 30, 2015. The non-U.S. Stockholder Affiliate does not allocate net profit on a country-by-country or activity-by-activity basis, but estimates that the net profit attributable to the contract would not exceed a small fraction of the gross revenue from such contract. It is not possible to determine accurately the precise net profit attributable to such contract.

The contract disclosed above does not violate applicable sanctions laws administered by the U.S. Department of the Treasury, Office of Foreign Assets Control, and is not the subject of any enforcement action under Iran sanction laws.

In compliance with applicable economic sanctions and in conformity with US secondary sanctions, the non-U.S. Stockholder Affiliate expects to continue to engage in similar activities in the future.

The Company and its global subsidiaries had no transactions or activities requiring disclosure under ITRA, nor were we involved in the transactions described in this section. As of the date of this report, the Company is not aware of any other activity, transaction or dealing by it or any of its affiliates during the quarter ended June 30, 2015 that requires disclosure in this report under Section 13(r) of the Exchange Act.

Item 6. Exhibits.



Exhibit Number	Description of Exhibit	Incorporated by Reference			Filed Herewith
Exhibit Number	Description of Exhibit	Form	File No.	Filing Date	Filed Herewith
10.1	Fifth Amendment to Amended and Restated Loan and Security Agreement dated June 26, 2015.	8-K	001-34474	July 1, 2015
31.1	Rule 13a-14(a)/15d-14(a) Certification of the Chief Executive Officer				X
31.2	Rule 13a-14(a)/15d-14(a) Certification of the Chief Financial Officer				X
32.1*	Section 1350 Certification (pursuant to Sarbanes-Oxley Section 906) by Chief Executive Officer				X
32.2*	Section 1350 Certification (pursuant to Sarbanes-Oxley Section 906) by Chief Financial Officer				X
101.INS**	XBRL Instance Document				X
101.SCH**	XBRL Taxonomy Extension Schema				X
101.CAL**	XBRL Taxonomy Extension Calculation Linkbase				X
101.DEF**	XBRL Taxonomy Extension Definition Linkbase				X
101.LAB**	XBRL Taxonomy Extension Label Linkbase				X
101.PRE**	XBRL Taxonomy Extension Presentation Linkbase				X

_______________________________

* In accordance with Item 601(b)(32)(ii) of Regulation S-K and SEC Release No. 34-47986, the certifications furnished in Exhibits 32.1 and 32.2 hereto are deemed to accompany this Form 10-Q and will not be deemed "filed" for purposes of Section 18 of the Exchange Act. Such certifications will not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act.

** In accordance with Rule 406T of Regulation S-T, the information furnished in these exhibits will not be deemed "filed" for purposes of Section 18 of the Exchange Act. Such exhibits will not be deemed to be incorporated by reference into any filing under the Securities Act or Exchange Act.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.



			Century Aluminum Company

Date:	August 7, 2015	By:	/s/ RICK T. DILLON
			Rick T. Dillon
			Executive Vice President and Chief Financial Officer (Principal Financial Officer)

Date:	August 7, 2015	By:	/s/ STEPHEN K. HEYROTH
			Stephen K. Heyroth
			Vice President and Chief Accounting Officer (Principal Accounting Officer)

Exhibit Index



Exhibit Number	Description of Exhibit	Incorporated by Reference			Filed Herewith
Exhibit Number	Description of Exhibit	Form	File No.	Filing Date	Filed Herewith
10.1	Fifth Amendment to Amended and Restated Loan and Security Agreement dated June 26, 2015.	8-K	001-34474	July 1, 2015
31.1	Rule 13a-14(a)/15d-14(a) Certification of the Chief Executive Officer				X
31.2	Rule 13a-14(a)/15d-14(a) Certification of the Chief Financial Officer				X
32.1*	Section 1350 Certification (pursuant to Sarbanes-Oxley Section 906) by Chief Executive Officer				X
32.2*	Section 1350 Certification (pursuant to Sarbanes-Oxley Section 906) by Chief Financial Officer				X
101.INS**	XBRL Instance Document				X
101.SCH**	XBRL Taxonomy Extension Schema				X
101.CAL**	XBRL Taxonomy Extension Calculation Linkbase				X
101.DEF**	XBRL Taxonomy Extension Definition Linkbase				X
101.LAB**	XBRL Taxonomy Extension Label Linkbase				X
101.PRE**	XBRL Taxonomy Extension Presentation Linkbase				X

_______________________________

Century Aluminum - 10-Q quarterly report FY2015 Q2

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