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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 10-Q

AXIALL CORPORATION
(Exact name of registrant as specified in its charter)

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. Yes ý No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate web site, 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). Yes ý No o

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No ý

Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.

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AXIALL CORPORATION
FORM 10-Q
QUARTERLY PERIOD ENDED SEPTEMBER 30, 2014
INDEX

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PART I. FINANCIAL INFORMATION.

Item 1. FINANCIAL STATEMENTS.

AXIALL CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

See accompanying notes to unaudited condensed consolidated financial statements.

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AXIALL CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)

See accompanying notes to unaudited condensed consolidated financial statements.

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AXIALL CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

See accompanying notes to unaudited condensed consolidated financial statements.

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AXIALL CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

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Significant non-cash transactions

On January 28, 2013, we acquired substantially all of the assets and liabilities of PPG Industries, Inc.'s ("PPG") business relating to the production of chlorine, caustic soda and related chemicals (the "Merged Business" or the "PPG Chemicals Business"), through a merger between a subsidiary of PPG and a subsidiary of the Company (the "Merger"). The purchase price for these transactions was approximately $2.8 billion and consisted of: (i) the issuance of approximately 35.2 million shares of our common stock valued at approximately $1.8 billion; (ii) the assumption of $967.0 million of debt; and (iii) the assumption of certain other liabilities including pension and other postretirement obligations. See Note 2 to the unaudited condensed consolidated financial statements.

   

See accompanying notes to unaudited condensed consolidated financial statements.

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AXIALL CORPORATION
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

1. BASIS OF PRESENTATION

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. The accompanying unaudited condensed consolidated financial statements reflect all of the adjustments that, in the opinion of management, are necessary to present fairly the financial position, results of operations and cash flows for the interim periods reported. Such adjustments are of a normal, recurring nature.

Our financial condition as of, and our operating results for, the three and nine month periods ended September 30, 2014 are not necessarily indicative of the financial condition and results that may be expected for the full year ending December 31, 2014 or any other interim period. Certain prior period amounts have been reclassified to conform to the current period's presentation. These reclassifications are of a normal recurring nature and did not impact the Company's operating income or consolidated net income.

The accompanying unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes to audited consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2013 (the "2013 Annual Report"). There has been no material change in the significant accounting policies followed by us during the three and nine month periods ended September 30, 2014 from those disclosed in the 2013 Annual Report. Unless the context otherwise requires, references to "Axiall," the "Company," "we," "our" or "us," means Axiall Corporation and its consolidated subsidiaries.

2. MERGER WITH THE PPG CHEMICALS BUSINESS

On January 28, 2013, we completed our acquisition of substantially all of the assets and liabilities of the Merged Business and completed the related financings (collectively, the "Transactions"). We manage the Merged Business as part of our chlorovinyls business, and have reported the results of operations of the Merged Business as part of our chlorovinyls segment since January 28, 2013.

The purchase price of the Merged Business of approximately $2.8 billion consisted of: (i) the issuance of approximately 35.2 million shares of our common stock valued at approximately $1.8 billion; (ii) assumed debt of approximately $967.0 million; and (iii) the assumption of other liabilities, including pension liabilities and other postretirement obligations.

Summary Pro Forma Information.    The following unaudited pro forma financial information reflects our consolidated results of operations as if the Transactions had taken place on January 1, 2012. The pro forma information includes primarily adjustments for depreciation based on the estimated fair value of the property, plant and equipment acquired in the Merger, amortization of acquired intangible assets and interest expense on the debt we incurred to finance the Transactions. The pro forma

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information is not necessarily indicative of the results of operations that we would have reported had the Transactions actually closed on January 1, 2012, nor is it necessarily indicative of future results.

Disclosure of revenues and earnings of the Merged Business since January 28, 2013 on a stand-alone basis is not practicable, as the Merged Business is not being operated as a stand-alone business.

3. NEW ACCOUNTING PRONOUNCEMENTS

In June 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU" or "Update") 2014-12—Compensation—Stock Compensation (Topic 718). Under this Update: Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period (a consensus of the FASB Emerging Issues Task Force), a performance target that affects vesting, and that could be achieved after the requisite service period, would be treated as a performance condition. GAAP did not address these issues. The Update states that a reporting entity should apply existing guidance in Topic 718 to account for awards with performance conditions that affect the vesting of such awards. As such, the performance target should not be reflected in estimating the grant-date fair value of the award. Compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved and should represent the compensation cost attributable to the periods for which the requisite service has already been rendered. If the performance target becomes probable of being achieved before the end of the requisite service period, the remaining unrecognized compensation cost should be recognized prospectively over the remaining requisite service period. The total amount of compensation cost recognized during and after the requisite service period should reflect the number of awards that are expected to vest and should be adjusted to reflect those awards that ultimately vest. The requisite service period ends when the employee can cease rendering service and still be eligible to vest in the award if the performance target is achieved. The stated vesting period (which includes the period in which the performance target could be achieved) may differ from the requisite service period. The amendments in this Update are effective for annual reporting periods beginning after December 15, 2015. Earlier adoption is permitted. We are evaluating the amendments in this Update and have not yet determined the impact on our condensed consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers. The Update outlines a single, comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most current revenue recognition guidance issued by the FASB, including industry specific guidance. The Update provides accounting guidance for all revenue arising from contracts with customers and affects all entities that enter into contracts with customers to provide goods and services. The guidance also provides a model for the measurement and recognition of gains and losses on the sale of certain nonfinancial assets, such as property and equipment, including real estate. The Update is effective for annual reporting periods, including interim reporting periods within those periods, beginning after December 15, 2016. The new standard must be adopted using either a full retrospective approach for all periods presented in the period of adoption or a modified retrospective approach. The modified retrospective approach requires that the new standard be applied

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to all new and existing contracts as of the date of adoption, with a cumulative catch-up adjustment recorded to the opening balance of retained earnings at the effective date for existing contracts that still require performance by the entity. Under the modified retrospective approach, amounts reported prior to the date of adoption will be presented under existing guidance. The Update also requires entities to disclose both quantitative and qualitative information to enable users of the financial statements to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers. We have not yet determined the impact of adopting the standard on our condensed consolidated financial statements, nor have we determined whether we will utilize the full retrospective or modified retrospective approach.

In April 2014, the FASB issued ASU 2014-08—Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity. The amendments in this Update change the requirements for reporting discontinued operations in Subtopics 205 (Presentation of Financial Statements) and 360 (Property, Plant, and Equipment). The Update changes the criteria for reporting discontinued operations and enhances the FASB's convergence with International Accounting Standards. The Update improves the definition of discontinued operations by limiting discontinued operations reporting specifically to the disposal of a component or a group of components of an entity that results in a strategic shift that has (or will have) a major effect on an entity's operations and financial results when certain criteria are met. The Update raises the threshold for disposals to qualify as discontinued operations and expands the disclosure requirements for discontinued operations and certain other disposals that do not qualify as discontinued operations. The amendments in this Update are effective for annual periods beginning on or after December 15, 2014, and interim periods within that year. We are evaluating the amendments in this Update and do not expect them to have a material impact on our condensed consolidated financial statements.

In July 2013, the FASB issued ASU 2013-11, Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists. Prior to this Update, GAAP did not include explicit guidance on the financial statement presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward existed. The Update provides that a liability related to an unrecognized tax benefit would be offset against a deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward if such settlement is required or expected in the event the uncertain tax position is disallowed. In that case, the liability associated with the unrecognized tax benefit is presented in the financial statements as a reduction to the related deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward. In situations in which a net operating loss carryforward, a similar tax loss or a tax credit carryforward is not available at the reporting date under the tax law of the jurisdiction or the tax law of the jurisdiction does not require, and the entity does not intend to use, the deferred tax asset for such purpose, the unrecognized tax benefit will be presented in the financial statements as a liability and will not be combined with deferred tax assets. The amendments in this Update do not require new recurring disclosures. The Update is effective for fiscal years beginning after December 15, 2013. In accordance with this Update, at September 30, 2014, the Company reclassified liabilities associated with certain unrecognized tax benefits as a reduction to a deferred tax assets for a net operating loss carryforward in the amount of $4.5 million.

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4. INVENTORIES

As of September 30, 2014 and December 31, 2013, the major classes of inventories were as follows:

5. PROPERTY, PLANT AND EQUIPMENT, NET

As of September 30, 2014 and December 31, 2013, property, plant and equipment consisted of the following:

6. GOODWILL, OTHER INTANGIBLE ASSETS AND RESTRUCTURING

Our intangible assets consist of goodwill, customer relationships, supply contracts, trade names, and technology. Goodwill is the excess of the cost of an acquired entity over the fair value of tangible and intangible assets (including customer lists, trade names and technology) acquired and liabilities assumed under acquisition accounting for business combinations.

We have two segments that contain reporting units with goodwill and intangible assets: our chlorovinyls segment includes goodwill in its chlor-alkali and derivatives and compound reporting units and our building products segment includes goodwill primarily in its siding reporting units.

Goodwill.    During the nine month period ended September 30, 2014, the Company recorded an immaterial correction of an error related to the overstatement of certain assets and deferred tax liabilities recorded in connection with the acquisition accounting for the Merged Business that were outside of the measurement period. The Company recognized a $0.7 million decrease in the fair value of acquired net assets and a $0.7 million increase to goodwill on the consolidated balance sheet as of September 30, 2014. Management performed an evaluation under Staff Accounting Bulletin No. 108 and concluded the effect of the adjustment is immaterial to the current and prior periods' financial

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statements. The following table provides the detail of the changes made to goodwill during the nine months ended September 30, 2014.

Indefinite-lived intangible assets.    Our indefinite-lived intangible assets consisted of certain trade names with a carrying value of $6.0 million at September 30, 2014 and December 31, 2013 in our building products segment.

Valuation of Goodwill and Indefinite-Lived Intangible Assets:    The carrying values of our goodwill and indefinite-lived intangible assets are tested for impairment annually in the fourth quarter, using a measurement date of October 1. In addition, we evaluate the carrying value of these assets for impairment between annual impairment tests if an event occurs or circumstances change that would indicate the carrying amounts may be impaired. Such events and indicators may include, without limitation, significant declines in industries in which our products are used, significant changes in the estimated future cash flows of our reporting units, significant changes in capital market conditions and significant changes in our market capitalization. As of September 30, 2014 we do not believe there have been any events or circumstances that would require us to perform an interim impairment test in our reporting units that carry goodwill and indefinite-lived intangible assets. However, certain factors including but not limited to a sustained decline in our market capitalization below its book value or further deterioration in our industry or market conditions could lead us to determine, in a future period, that an impairment test would be required and result in an impairment charge, which could have a negative impact on our result of operations.

Impairment testing for goodwill is a two-step test performed at a reporting unit level. The first step of the impairment analysis involves comparing the fair value of the reporting unit to its book value, including goodwill. If the fair value of the reporting unit exceeds the book value, goodwill is not considered impaired. If the book value exceeds the fair value, the second step of the impairment analysis is performed, in which we measure the amount of impairment. Our goodwill evaluations utilized discounted cash flow analyses and market multiple analyses in estimating fair value. The weighting of the discounted cash flow and market approaches varies by each reporting unit based on factors specific to each reporting unit. Inherent in our fair value determinations are certain judgments and estimates relating to future cash flows, including our interpretation of current economic indicators and market conditions, overall economic conditions and our strategic operational plans with regard to our business units. In addition, to the extent significant changes occur in market conditions, overall economic conditions or our strategic operational plan, it is possible that goodwill not currently impaired, may become impaired in the future.

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Definite-lived intangible assets.    At September 30, 2014 and December 31, 2013, we had definite-lived intangible assets in our building products segment that related to customer relationships and technology. In the acquisition of the Merged Business, we acquired definite-lived intangible assets in our chlorovinyls segment. The values of these assets acquired are $1.1 billion for customer relationships, $42.6 million for supply contracts, $14.9 million for technology and $6.0 million for trade names. At September 30, 2014 and December 31, 2013, there were no definite-lived intangible assets in our aromatics segment. The following table provides the definite-lived intangible assets, by reportable segment, as of September 30, 2014 and December 31, 2013.

The weighted average estimated useful life remaining for customer relationships, supply contracts, definite-lived trade names and technology is approximately 16 years, 18 years, 15 years, and 16 years, respectively. Amortization expense for the definite-lived intangible assets was $16.8 million and $15.2 million for the three months ended September 30, 2014 and 2013, respectively and $51.4 million and $45.0 million for the nine months ended September 30, 2014 and 2013, respectively. The estimated annual amortization expense for definite-lived intangible assets the next five fiscal years is approximately $67.1 million per year.

Restructuring:    In September 2013, we initiated a restructuring plan in our building products segment consisting of various cost saving initiatives, including the reduction of overhead and plant labor, and the consolidation of various plants, primarily in the window and door profiles reporting unit, to improve utilization and efficiencies. During the three and nine month periods ended September 30, 2014, we recorded $1.0 million and $3.9 million, respectively, in restructuring charges in our building products segment that are included in Transaction-related costs and other, net in the unaudited condensed consolidated statements of operations. We expect to complete these restructuring initiatives in 2015 with additional expected restructuring charges in 2014 and 2015 totaling a combined $2.4 million.

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7. OTHER ASSETS, NET

As of September 30, 2014 and December 31, 2013, other assets, net of accumulated amortization, consisted of the following:

8. LONG-TERM DEBT AND LEASE FINANCING OBLIGATION

As of September 30, 2014 and December 31, 2013, our long-term debt consisted of the following:

Term Loan and ABL Revolver

As of September 30, 2014, outstanding borrowings under the Company's term loan facility (the "Term Loan") had a stated interest rate of 3.50 percent per annum.

The Company's asset based revolving credit facility (the "ABL Revolver") provides for a maximum of $500.0 million of revolving credit. The credit agreement governing the ABL Revolver (the "ABL Credit Agreement") contains customary covenants (subject to certain exceptions), including certain restrictions on the Company and its subsidiaries to pay dividends. In addition, the Company is subject to a fixed charge coverage ratio (as defined in the ABL Credit Agreement) of 1.10 to 1.00 if excess availability is less than $62.5 million for three consecutive business days. As of September 30, 2014 and December 31, 2013, we had no outstanding balance on our ABL Revolver. Our availability under the ABL Revolver at September 30, 2014 was approximately $414.6 million, net of outstanding letters of credit totaling $85.4 million.

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As of September 30, 2014, we were in compliance with the covenants under the ABL Credit Agreement, the Term Loan agreement, the indentures governing $688.0 million in aggregate principal amount of 4.625 percent senior notes of Eagle Spinco Inc. ("Spinco") due 2021 (the "4.625 Notes") and $450.0 million in aggregate principal amount of 4.875 percent senior notes of Axiall Corporation due 2023 (the "4.875 Notes").

Lease Financing Obligation

As of September 30, 2014 and December 31, 2013, we had a lease financing obligation of $97.5 million and $104.7 million, respectively. The change from the December 31, 2013 balance is due to a one-time $2.3 million payment and the change in the Canadian dollar exchange rate as of September 30, 2014. The lease financing obligation is the result of the sale and concurrent leaseback of certain land and buildings in Canada in 2007 for a term of ten years. In connection with this transaction, a collateralized letter of credit was issued in favor of the buyer-lessor, resulting in the transaction being recorded as a financing transaction rather than a sale for GAAP purposes. As a result, the land, building and related accounts continue to be recognized in the unaudited condensed consolidated balance sheets. The amount of the collateralized letter of credit was $1.6 million and $3.8 million as of September 30, 2014 and December 31, 2013, respectively. We are not obligated to repay the lease financing obligation amount of $97.5 million. Our obligation is for the future minimum lease payments under the terms of the related lease agreements. The future minimum lease payments under the terms of the related lease agreements as of September 30, 2014 are $1.4 million in 2014, $5.7 million in 2015, $5.7 million in 2016 and $1.4 million in 2017, the final year of the lease agreements. The change in the future minimum lease payments from such amounts disclosed as of December 31, 2013 is due to a one-time $2.3 million payment, current period lease payments and the change in the Canadian dollar exchange rate as of September 30, 2014.

9. FAIR VALUE OF FINANCIAL INSTRUMENTS

Financial instruments consist primarily of cash and cash equivalents, accounts receivable, accounts payable, accrued expenses and long-term debt. The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable and accrued expenses approximate their fair value because of the nature of such instruments. The fair values of our outstanding notes, as shown in the table below, are based on quoted market values. The fair value of our Term Loan facility is based on present rates for indebtedness with similar amounts, durations and credit risk. Our commodity purchase contracts are fair valued with Level 2 inputs based on quoted market values for similar but not identical financial instruments. When computed for the purposes of impairment testing, the fair values of our goodwill and other acquired intangible assets are determined using Level 3 inputs. For further details concerning the fair value of goodwill and other intangible assets, see Note 6 to the unaudited condensed consolidated financial statements.

The FASB ASC 820-10 establishes a fair value hierarchy that prioritizes observable and unobservable inputs to valuation techniques used to measure fair value. These levels, in order of highest to lowest priority are described below:

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The following is a summary of the carrying amounts and estimated fair values of our long-term debt as of September 30, 2014 and December 31, 2013:

10. COMMITMENTS AND CONTINGENCIES

Legal Proceedings.    We are involved in a number of contingencies incidental to the normal conduct of our business including lawsuits, claims and environmental contingencies. The outcome of these contingencies is inherently unpredictable. We believe that, in the aggregate, the outcome of all known contingencies including lawsuits, claims and environmental contingencies will not have a material adverse effect on our financial statements; however, specific outcomes with respect to such contingencies may be material to the financial statements of any particular period in which costs, if any, are recognized. Our assessment of the potential impact of the environmental contingencies is subject to uncertainty due to the complex, ongoing and evolving process of investigation and remediation of such environmental contingencies, and the potential for technological and regulatory developments. In addition, the impact of evolving programs, such as natural resource damage claims, industrial site reuse initiatives and state remediation programs creates further uncertainty of the ultimate resolution of these environmental contingencies. We anticipate that the resolution of many contingencies, and in particular environmental contingencies, will occur over an extended period of time.

Environmental Matters.    It is our policy to accrue expenses for environmental contingencies when it is probable that a liability has been incurred and the amount of loss can be reasonably estimated. Reserves for environmental liabilities do not include any potential offsets related to claims against third parties.

Our operations and assets are subject to extensive environmental, health and safety regulations, including laws and regulations related to air emissions, water discharges, waste disposal and remediation of contaminated sites, at both the national and local levels in the United States. We are also subject to similar laws and regulations in Canada and other jurisdictions in which we operate. The nature of the chemical and building products industries exposes us to risks of liability under these laws and regulations due to the production, storage, use, transportation and sale of materials that can cause contamination or personal injury, including, in the case of chemicals, potential releases into the environment. Environmental laws may have a significant effect on the costs of use, transportation and storage of raw materials and finished products, as well as the costs of the storage and disposal of wastes. We have and will continue to incur substantial operating and capital costs to comply with environmental laws and regulations. In addition, we may incur substantial costs, including fines, damages, criminal or civil sanctions and remediation costs, or experience interruptions in our operations for violations arising under these laws and regulations.

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As of September 30, 2014 and December 31, 2013, we had reserves for environmental contingencies totaling approximately $61 million and $64 million, respectively, of which approximately $10 million and $12 million, respectively were classified as a current liability. Our assessment of the potential impact of these environmental contingencies is subject to considerable uncertainty due to the complex, ongoing and evolving process of investigation and remediation, if necessary, of such environmental contingencies, and the potential for technological and regulatory developments.

Some of our significant environmental contingencies include the following matters:

•

We have entered into a Cooperative Agreement with the Louisiana Department of Environmental Quality ("LDEQ") and various other parties for the environmental remediation of a portion of the Bayou d'Inde area of the Calcasieu River Estuary in Lake Charles, Louisiana. Remedy implementation is expected to begin during the fourth quarter of 2014 and continue for a number of years thereafter, with a period of monitoring for remedy effectiveness to follow remediation. As of September 30, 2014 and December 31, 2013, we have reserved approximately $24 million and $25 million, respectively, for the costs associated with this matter.

•

As of September 30, 2014 and December 31, 2013, we have reserved approximately $15 million for environmental contingencies related to on-site remediation at the Lake Charles, Louisiana facility that we acquired as part of the Merged Business (the "Lake Charles South Facility") principally for ongoing remediation of groundwater and soil in connection with our corrective action permit issued pursuant to the Hazardous and Solid Waste Amendments of the Resource Conservation and Recovery Act. The remedial activity is primarily the operation of a series of well water treatment systems across the Lake Charles South Facility. In addition, remediation of possible soil contamination will be conducted in certain areas. These remedial activities are expected to continue for an extended period of time.

•

As of September 30, 2014 and December 31, 2013, we have reserved approximately $14 million for environmental contingencies related to remediation activities at our Natrium, West Virginia facility. The remedial actions address National Pollutant Discharge Elimination System permit requirements related to hexachlorocyclohexane, which is commonly referred to as BHC. We expect that these remedial actions will be in place for an extended period of time.

Due to the nature of environmental laws, regulations and liabilities, it is possible that the reviews we conducted in connection with our evaluation of, and determination to enter into, the Transactions, may not have identified all potentially adverse conditions. Such conditions may not currently exist or be detectable through reasonable methods, or may not be able to be adequately valued. For example, our Natrium, West Virginia facility and Lake Charles South Facility have both been in operation for over 65 years. There may be significant latent liabilities or future claims arising from the operation of facilities of this age, and we may be required to incur material future remediation or other costs in connection with future actions or developments at these or other facilities.

We expect to be continually subjected to increasingly stringent environmental and health and safety laws and regulations, and that continued compliance will require increased capital expenditures and increased operating costs or may impose restrictions on our present or future operations. It is difficult to predict the future interpretation and development of these laws and regulations or their impact on our future earnings and operations. Any increase in these costs, or any material restrictions, could materially adversely affect our liquidity, financial condition and results of operations. However, estimated costs for future environmental compliance and remediation may be materially lower than actual costs, or we may not be able to quantify potential costs in advance. Actual costs related to any environmental compliance in excess of estimated costs could have a material adverse effect on our financial condition in one or more future periods.

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Heightened interest in environmental regulation, such as climate change issues, has the potential to materially impact our costs and present and future operations. We, and other chemicals companies, are currently required to file certain governmental reports relating to greenhouse gas ("GHG") emissions. The U.S. Government has considered, and may in the future implement restrictions or other controls on GHG emissions which could require us to incur significant capital expenditures or further restrict our present or future operations.

In addition to GHG regulations, the United States Environmental Protection Agency (the "EPA") has recently taken certain actions to limit or control certain pollutants created by companies such as ours. For example:

•

In January 2013, the EPA issued Clean Air Act emission standards for boilers and incinerators (the "Boiler MACT regulations"), which are aimed at controlling emissions of toxic air contaminants. The regulations would require covered facilities to comply by January 2016. The coal fired power plant at our Natrium, West Virginia facility would likely be our source most significantly impacted by the Boiler MACT regulations. While we are continuing to review the Boiler MACT regulations' impact on our operations, we believe bringing our operations into compliance with the new regulations will require significant capital expenditures, which we currently estimate at approximately $30 million. In addition, coming into compliance could result in increased operating costs. Because our evaluation of this matter is ongoing, no assurance as to the ultimate impact of the Boiler MACT regulations on our operations or overall business can be provided.

•

In April 2012, the EPA issued final regulations to update emissions limits for polyvinyls chloride ("PVC") and copolymer production (the "PVC MACT regulation"). The PVC MACT regulation sets standards for major sources of PVC production and establishes certain working practices, as well as monitoring, reporting and record-keeping requirements. We would have until April 2015 to come into compliance. Following the issuance of the PVC MACT regulation, legal challenges were filed by the vinyl industry's trade organization, several vinyl manufacturers and several environmental groups, which will likely impact provisions of the PVC MACT regulation. However, there could be significant changes from the currently existing PVC MACT regulation after all legal challenges have been exhausted, which could require us to incur capital expenditures, or increase our operating costs, to levels significantly higher than what we have previously estimated.

•

In March 2011, the EPA proposed amendments to the emission standards for hazardous air pollutants for mercury emissions from mercury cell chlor-alkali plants. These proposed amendments would require improvements in work practices to reduce fugitive mercury emissions and would result in reduced levels of mercury emissions while still allowing the mercury cell facilities to continue to operate. We operate a mercury cell production unit at our Natrium, West Virginia facility. No assurances as to the timing or content of the final regulation, or its ultimate cost to, or impact on us, can be provided.

The potential impact of these and/or unrelated future, legislative or regulatory actions on our current or future operations cannot be predicted at this time but could be significant. Such impacts could include the potential for significant compliance costs, including capital expenditures, could result in operating restrictions or could require us to incur significant legal or other costs related to compliance or other activities. Any increase in the costs related to these initiatives, or restrictions on our operations, could materially adversely affect our liquidity, financial condition or results of operations.

Environmental Remediation: Reasonably Possible Matters.    Our assessment of the potential impact of environmental contingencies is subject to considerable uncertainty due to the complex, ongoing and evolving process of investigation and remediation, if necessary, of such environmental contingencies, and the potential for technological and regulatory developments. As such, in addition to the amounts currently reserved, we may be subject to reasonably possible loss contingencies related to environmental

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matters in the range of $60 million to $100 million. Initial remedial actions are occurring with respect to these matters at two plant sites: the Lake Charles South Facility and the Natrium Facility.

We monitor our estimate for reasonably possible environmental losses on a quarterly basis to determine if any of the reasonably possible loss items have become probable and estimable during the current quarter. It is our policy to accrue expenses for environmental contingencies when management believes the amount of losses are probable and estimable. In addition, when environmental items that were previously reasonably possible become probable and estimable and, therefore, recorded in our condensed consolidated balance sheets and statements of operations, we adjust our environmental reasonably possible exposure range accordingly.

Involuntary Conversion of Property, Plant and Equipment.    On December 20, 2013, a fire occurred in what is commonly known as the Company's PHH vinyl chloride monomer ("VCM") manufacturing plant in Lake Charles, Louisiana. The fire impacted several process components of the PHH VCM manufacturing plant. Operations at the plant returned to full service at the end of June 2014. The Company maintains property and business interruption insurance policies that provided coverage for the losses arising from this incident, less applicable deductibles. We believe we will receive net insurance proceeds greater than the carrying value of the assets that were impacted by the fire, related cleanup and other costs. In the three and nine months ended September 30, 2014, we received and recorded a portion of our insurance claim for the physical property damage to the assets impacted by the fire. We expect to realize and record net gains from these proceeds in future periods.

11. EMPLOYEE RETIREMENT PLANS

Defined Benefit Pension and OPEB Welfare Plans

The Company sponsors and/or contributes to other postretirement medical and insurance benefit plans ("OPEB") and pension plans covering many of our United States employees, in whole or in part, based on meeting certain eligibility criteria. In addition, the Company and its subsidiaries have various pension plans and other forms of postretirement arrangements outside the United States, namely in Canada and Taiwan. As part of the Merger, we assumed certain liabilities related to pensions ("Assumed Pension Plans") and other postretirement benefit plans ("Assumed Postretirement Plans"). Refer to Note 2 to the unaudited condensed consolidated financial statements for additional information related to the Merger. We had no other OPEB obligations prior to the Merger.

Certain employees in the United States who were hired before January 1, 2009 are covered by a defined benefit pension plan. That plan was frozen to future benefit accruals in 2009.

The Assumed Pension Plans provide benefits to certain employees and retirees of the Merged Business and are closed to new hires. Recently approved amendments to the Assumed Pension Plans for United States salaried employees froze all future benefit accruals for non-union employees effective January 31, 2014. The impact of these amendments to the Assumed Pension Plans was recognized in the fourth quarter of 2013.

The Assumed Postretirement Plans are unfunded and provide medical and life insurance benefits for certain employees of the Merged Business and their dependents. In connection with the Merger, we also acquired an Employee Group Waiver Plan ("EGWP") for certain Medicare-eligible retirees of the Merged Business and their dependents. The EGWP includes a fully-insured Medicare Part D prescription drug plan, however the EGWP was eliminated effective January 1, 2014, as part of the changes described below. The Assumed Postretirement Plans require retiree contributions based on retiree-selected coverage levels for certain retirees and their dependents and provide for sharing of future benefit cost increases between the Company and participants.

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Recently approved modifications to the Assumed Postretirement Plans were made with respect to certain participants, to deliver retiree medical benefits through health reimbursement account contributions. For the impacted participants, these retiree medical changes became effective on January 1, 2014 for Medicare eligible retirees and will become effective January 1, 2015 for non-Medicare eligible future retirees. In addition, life insurance benefits for our assumed United States non-bargained future retirees were eliminated effective January 1, 2014. These OPEB benefit changes were approved and communicated to participants in October 2013 and the quantitative financial impact to the Assumed Postretirement Plans for the United States has been reflected beginning in the fourth quarter of 2013.

Components of net periodic benefit income (expense) for the three months ended September 30, 2014 and 2013 includes the following:

Components of net periodic benefit income (expense) for the nine months ended September 30, 2014 and 2013 includes the following:

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Assumptions

The following weighted average assumptions were used to determine the net periodic benefit income (expense) for the defined benefit pension and other postretirement welfare plans.

The weighted-average healthcare cost trend rate (inflation) used for 2014 is 7.49 percent declining to 4.50 percent in the year 2024. In selecting the rates for our current and long-term health care cost assumptions, we take into consideration a number of factors including our actual health care cost increases, the design of our benefit programs, the demographics of our active and retiree populations and external expectations of future medical cost inflation rates.

Contributions

There were no significant contributions to the pension plan trusts during the three and nine months ended September 30, 2014 and 2013. We estimate that we will make payments of approximately $1.9 million for benefit payments related to our pension plans and $7.8 million for benefit payments related to OPEB plans for the year ending December 31, 2014.

Defined Contribution Plans

Most of our employees are covered by defined contribution plans under which we make contributions to individual employee accounts. Our expense related to our defined contribution plans was approximately $3.4 million and $3.5 million for the three months ended September 30, 2014 and 2013, respectively and $10.8 million for both the nine month periods ended September 30, 2014 and 2013.

12. SHARE-BASED COMPENSATION

We grant various types of share-based payment awards to participants, including restricted stock unit awards and stock option grants. The key terms of our restricted stock unit awards and our stock option grants, including all financial disclosures, are set forth in the 2013 Annual Report.

Information regarding our share-based compensation expense for the three and nine month periods ended September 30, 2014 are as follows:

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In computing diluted earnings per share for both the three and nine months ended September 30, 2014, common stock equivalents of 0.3 million shares were not included due to their anti-dilutive effect. For both the three and nine months ended September 30, 2013, common stock equivalents of 0.5 million shares and 0.3 million shares, respectively, were not included due to their anti-dilutive effect. Certain of our restricted stock units participate in dividend distributions, however, the distributions for these restricted stock units do not have a material impact on our earnings per share calculation.

13. ACCUMULATED OTHER COMPREHENSIVE INCOME AND OTHER COMPREHENSIVE INCOME (LOSS)

Accumulated Other Comprehensive Income

Accumulated other comprehensive income includes: i) adjustments to pension and OPEB plan liabilities; ii) foreign currency translation of assets and liabilities of foreign subsidiaries and the effects of exchange rate changes on intercompany balances of a long-term nature; iii) equity investee's other comprehensive income items; and iv) unrealized gains and losses on derivative financial instruments designated as cash flow hedges. Amounts recorded in accumulated other comprehensive income, net of tax, as of September 30, 2014 and December 31, 2013, and changes within the period are as follows:

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Other Comprehensive Income (Loss)

Other comprehensive income (loss) is derived from adjustments to reflect the unrealized gain (loss) on derivatives, changes in pension and OPEB liabilities adjustment, changes in equity investee's other comprehensive loss and changes in foreign currency translation adjustments. The components of other comprehensive income (loss) for the three and nine month periods ended September 30, 2014 and 2013 are as follows:

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The components of other comprehensive income (loss) that have been reclassified during the three and nine month periods ended September 30, 2014 and 2013 are as follows:

14. INCOME TAXES

Our effective income tax rates for the three and nine month periods ended September 30, 2014 were provisions of 17.1 percent and 16.6 percent, respectively, compared to provisions of 32.2 percent and 31.8 percent, respectively, for the three and nine month periods ended September 30, 2013. The effective income tax rates were determined using the estimated annual effective tax rate after considering discrete items for each respective period. The effective income tax rates for the three and nine month periods ended September 30, 2014 were lower than the United States statutory federal income tax rate primarily due to various permanent differences including deductions for manufacturing as well as the favorable impact of changes in uncertain tax positions of $4.5 million and $8.0 million for the three and nine month periods ended September 30, 2014, respectively, and the favorable impact of the expiration of a statutory time period that would have impacted the tax deductibility of certain accruals of $2.1 million for the three month period ended September 30, 2014. The effective income tax rates for the three and nine month periods ended September 30, 2013 were lower than the United States statutory federal income tax rate primarily due to various permanent differences, including deductions for manufacturing activities and the favorable impact of changes in uncertain tax positions of $2.8 million and $3.7 million for the three and nine months ended September 30, 2013, respectively.

15. INVESTMENTS

We own a 50 percent interest in several manufacturing joint ventures in both our building products and chlorovinyls segments. In addition, and in connection with the Merger, we acquired a 50 percent ownership interest in RS Cogen, LLC ("RS Cogen"), which produces electricity and steam that are primarily sold to Axiall and its joint venture partner under take-or-pay contracts with terms that extend to 2022 and is reported in our chlorovinyls segment. The joint venture was formed with a wholly-owned subsidiary of Entergy Corporation ("Entergy") in 2000 for the construction and operation of a 425 megawatt combined cycle, natural gas-fired cogeneration facility in Lake Charles, Louisiana, the majority of which was financed by loans having terms that extend to 2022 from a syndicate of banks. Axiall's future commitment to purchase electricity and steam from the joint venture per the take-or-pay contracts approximates $23.5 million per year subject to contractually defined inflation adjustments. As of September 30, 2014, our future commitment under the take-or-pay arrangement approximates

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$192.8 million in the aggregate, with purchases during the three and nine month periods ended September 30, 2014 totaling $6.3 million and $18.7 million, respectively compared to purchases of $6.2 million and $16.6 million during the three and nine month periods ended September 2013, respectively.

RS Cogen is a variable interest entity under GAAP. The daily operations of the cogeneration facility are the activities of RS Cogen that most significantly impact its economic performance. These activities are directed by a management team with oversight by a management committee that has equal representation from Axiall and Entergy. By the terms of the joint venture agreement, all decisions of the management committee require approval by a majority of its members. Accordingly, the power to direct the activities of RS Cogen is equally shared between RS Cogen's two owners and, thus, Axiall does not consider itself to be the joint venture's primary beneficiary. Accordingly, Axiall accounts for its investment in RS Cogen under the equity method of accounting. We have recorded our investment in RS Cogen in other assets in the accompanying unaudited condensed consolidated balance sheets and our share of investee earnings in cost of goods sold in the unaudited condensed consolidated statements of operations.

The following table summarizes our maximum exposure to loss associated with RS Cogen as of September 30, 2014.

We produce chlorine, caustic soda, hydrogen, hydrochloric acid ("HCL") and sodium hypochlorite (bleach) at our Kaohsiung, Taiwan facility. The Kaohsiung, Taiwan facility is operated by Taiwan Chlorine Industries, Ltd. ("TCI"), a joint venture in which we own a 60 percent interest and consolidate in our financial statements. A reconciliation of our minority partner's ownership, reported as noncontrolling interest follows:

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16. SEGMENT INFORMATION

We have three reportable segments through which we manage our operating activities: (i) chlorovinyls; (ii) building products; and (iii) aromatics. These three segments reflect the organization used by our management for internal reporting purposes. Our chlorovinyls segment produces a highly integrated chain of products, including chlor-alkali and derivative products (chlorine, caustic soda, VCM, vinyl resins, ethylene dichloride (or 1, 2 dichloroethane) ("EDC"), chlorinated solvents, calcium hypochlorite, HCL and phosgene derivatives) and compound products (vinyl compounds and compound additives and plasticizers). The financial results of the Merged Business are included with the chlorovinyls segment from January 28, 2013, the closing date of the Merger. Our building products segment consists of two primary product groups: (i) window and door profiles and trim, mouldings and deck products; and (ii) outdoor building products, which includes siding, exterior accessories, pipe and pipe fittings. Our aromatics segment manufactures cumene products and phenol and acetone products (co-products made from cumene).

Earnings of our segments exclude interest income and expense, unallocated corporate expenses and general plant services and provision for income taxes. Transactions between operating segments are valued at market based prices. The revenues generated by these transfers and reconciliations from consolidated operating income to consolidated income before income taxes for the three and nine month periods ended September 30, 2014 and 2013 are provided in the tables below.

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17. SUPPLEMENTAL GUARANTOR INFORMATION

Axiall Corporation is primarily a holding company for its 100-percent and majority owned subsidiaries. Payment obligations under the indentures for the 4.875 Notes issued by Axiall Corporation, the 4.625 Notes issued by Spinco and the Term Loan under which Spinco is the borrower, as described in Note 8 to the condensed consolidated financial statements, are guaranteed by each of Axiall Corporation's 100-percent owned domestic subsidiaries (including Spinco in the case of the 4.875 Notes), other than certain excluded subsidiaries. Axiall Corporation is also a guarantor under Spinco's 4.625 Notes and the Term Loan.

As of September 30, 2014, payment obligations under the indenture for the 4.875 Notes issued by Axiall Corporation are guaranteed by Axiall Holdco, Inc., Axiall, LLC, Georgia Gulf Lake Charles, LLC, Royal Building Products (USA) Inc., Royal Mouldings Limited, Royal Window and Door Profiles Plant 13 Inc., Royal Window and Door Profiles Plant 14 Inc., Exterior Portfolio, LLC, Plastic Trends, Inc., Royal Group Sales (USA) Limited, Rome Delaware Corporation, Royal Plastics Group (U.S.A.) Limited, PHH Monomers, LLC, Eagle Holdco 3 LLC, Eagle US 2 LLC, Axiall Ohio, Inc., Eagle Natrium LLC, and Eagle Pipeline, Inc. (collectively, the "Guarantor Subsidiaries") and Spinco. As of December 31, 2013, payment obligations under the indenture for the 4.625 Notes issued by Spinco are guaranteed by Axiall Corporation and each of the Guarantor Subsidiaries.

Each of Spinco and the Guarantor Subsidiaries is a direct or indirect 100-percent owned subsidiary of Axiall Corporation. The guarantees made by each of Axiall Corporation, Spinco and the Guarantor Subsidiaries are full, unconditional and joint and several. Except with respect to certain subordination requirements relating to a non-guarantor subsidiary of the Company loaning funds to the Company or a Guarantor Subsidiary, there are no restrictions on the ability of Axiall Corporation, Spinco or any Guarantor Subsidiary to obtain funds from any of Axiall's direct or indirect 100-percent owned

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subsidiaries through dividends, loans or advances as a result of the issuance of the 4.625 Notes or the 4.875 Notes. Separate financial statements and other disclosures with respect to Spinco or the Guarantor Subsidiaries have not been provided as management believes the following information is sufficient. Investments in subsidiaries in the supplemental guarantor financial statements reflect investments in 100-percent owned entities within Axiall under the equity accounting method. This presentation of Spinco, the Guarantor Subsidiaries and the non-guarantor subsidiaries of Axiall Corporation (the "Non-Guarantor Subsidiaries") is not included to present the Company's financial condition, results of operations or cash flows for any purpose other than to comply with the specific requirements for subsidiary issuer and subsidiary guarantor reporting.

The following tables present the (i) condensed consolidating balance sheets as of September 30, 2014 and December 31, 2013, (ii) condensed consolidating statements of operations and comprehensive income (loss) for the three and nine months ended September 30, 2014 and 2013, and (iii) condensed consolidating statements of cash flows for the nine months ended September 30, 2014 and 2013, of each of Axiall Corporation (as parent issuer), Spinco (as subsidiary issuer), the Guarantor Subsidiaries (excluding Spinco), the Guarantor Subsidiaries (including Spinco and which also includes entries necessary to eliminate Spinco's investment in such Guarantor Subsidiaries and other intercompany account balances) and the Non-Guarantor Subsidiaries. The Company acquired PHH Monomers, LLC, Eagle Holdco 3 LLC, Eagle US 2 LLC, Axiall Ohio, Inc., Eagle Natrium LLC, and Eagle Pipeline, Inc. (the "Eagle Guarantors") and Spinco in connection with the consummation of the Transactions on January 28, 2013. The Eagle Guarantors are included in the Guarantor Subsidiary column of the following supplemental condensed consolidating balance sheet as of September 30, 2014 and December 31, 2013, the supplemental condensed consolidating statement of operations and comprehensive income (loss) for the three and nine months ended September 30, 2014 and 2013 and the supplemental condensed consolidating statement of cash flows for the nine months ended September 30, 2014 and 2013.

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AXIALL CORPORATION
Supplemental Condensed Consolidating Balance Sheet
September 30, 2014
(Unaudited)

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AXIALL CORPORATION
Supplemental Condensed Consolidating Balance Sheet
December 31, 2013
(Unaudited)

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AXIALL CORPORATION
Supplemental Condensed Consolidating Statement of Operations and Comprehensive Income (Loss)
Three Months Ended September 30, 2014
(Unaudited)

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AXIALL CORPORATION
Supplemental Condensed Consolidating Statement of Operations and Comprehensive Income
Three Months Ended September 30, 2013
(Unaudited)

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AXIALL CORPORATION
Supplemental Condensed Consolidating Statement of Operations and Comprehensive Income (Loss)
Nine months Ended September 30, 2014
(Unaudited)

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AXIALL CORPORATION
Supplemental Condensed Consolidating Statement of Operations and Comprehensive Income
Nine months Ended September 30, 2013
(Unaudited)

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AXIALL CORPORATION
Supplemental Condensed Consolidating Statement of Cash Flows
Nine months Ended September 30, 2014
(Unaudited)

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AXIALL CORPORATION
Supplemental Condensed Consolidating Statement of Cash Flows
Nine months Ended September 30, 2013
(Unaudited)

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Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.

General

We are a leading North American manufacturer and international marketer of chemicals and building products. Our chlorovinyls and aromatics chemical products are sold for further processing into a wide variety of end-use applications, including plastic pipe and pipe fittings, siding and window frames, bonding agents for wood products, high-quality plastics, acrylic sheeting and coatings for wire and cable, paper, minerals, metals and water treatment industries. Our building products segment manufactures window and door profiles, trim, mouldings and deck products, siding, pipe and pipe fittings.

Merger with PPG's Chemicals Business

On January 28, 2013, we completed a series of transactions that resulted in our acquisition of substantially all of the assets and liabilities of PPG Industries, Inc.'s ("PPG") business relating to the production of chlorine, caustic soda and related chemicals (the "Merged Business") through a merger between a subsidiary of PPG and a subsidiary of the company (the "Merger") and the related financings (collectively, the "Transactions"). The operations of the Merged Business are included in our chlorovinyls segment and are reflected in our financial results from January 28, 2013, the closing date of the Merger.

The purchase price of the Merged Business of approximately $2.8 billion consists of: (i) the issuance of approximately 35.2 million shares of our common stock valued at approximately $1.8 billion; (ii) assumed debt of approximately $967.0 million; and (iii) the assumption of other liabilities, including pension liabilities and other postretirement obligations.

We expect to continue incurring significant costs in connection with the Merger. These costs are expected to include costs to attain synergies including plant reliability improvement initiatives, and transition costs such as consulting professionals' fees, information technology implementation costs, relocation costs and severance costs, which management believes are necessary to realize approximately $140.0 million of anticipated annualized cost synergies within two years from the consummation of the Merger. We estimate the expected costs to attain synergies to total approximately $55.0 million in the aggregate, a portion of which may be capitalized. The table below depicts costs incurred to attain Merger-related synergies and the impacted financial statement line item in the condensed consolidated statements of operations, during the three and nine month periods ended September 30, 2014 and 2013:

As of September 30, 2014, we have incurred $47.1 million of the expected $55.0 million in costs to attain Merger-related synergies, which includes capitalized expenditures.

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Consolidated Overview

For the three months ended September 30, 2014, net sales totaled $1,269.4 million, an increase of 6 percent compared to $1,197.5 million for the three months ended September 30, 2013. Operating income was $74.2 million and $78.1 million for the three months ended September 30, 2014 and 2013, respectively. Adjusted EBITDA was $139.3 million for the three months ended September 30, 2014 compared to $175.0 million for the three months ended September 30, 2013. In addition, the company reported net income attributable to Axiall of $44.5 million, or $0.63 per diluted share for the three months ended September 30, 2014, compared to net income attributable to Axiall of $39.0 million, or $0.55 per diluted share for the three months ended September 30, 2013. The company reported Adjusted Net Income of $50.8 million, and Adjusted Earnings Per Share of $0.72 for the three months ended September 30, 2014, compared to Adjusted Net Income of $68.3 million, and Adjusted Earnings Per Share of $0.97 for the three months ended September 30, 2013. See Reconciliation of Non-GAAP Financial Measures in this Quarterly Report on Form 10-Q.

The increase in net sales for the three months ended September 30, 2014 as compared to the three months ended September 30, 2013 was primarily attributable to the increase in net sales for each of our reportable segments. Net sales in our chlorovinyls segment increased $19.4 million due to: (i) higher vinyl resins sales volumes resulting from increased demand; and (ii) higher vinyl resins pricing driven by a favorable industry supply and demand balance and higher feedstock costs, partially offset by lower electro-chemical unit or, "ECU," values, especially with respect to caustic soda pricing, resulting primarily from the addition of new production capacity in North America coupled with slower growth in the demand needed to absorb that capacity. An ECU is the equivalent of 1 unit of chlorine production and 1.1 unit of caustic soda production. Chlorine and caustic soda are co-produced in the manufacturing process. Net sales in our building products segment increased $24.4 million as a result of higher sales volumes in the United States and Canada. Net sales in our aromatics segment increased $28.1 million due primarily to an increase in cumene sales volume, partially offset by a 14 percent decrease in phenol and acetone sales volumes.

The decreases in operating income, Adjusted EBITDA, and Adjusted Net Income, for the three months ended September 30, 2014, as compared to the three months ended September 30, 2013, were primarily attributable to: (1) lower ECU values, especially with respect to caustic soda pricing, resulting primarily from the addition of new production capacity in North America coupled with slower growth in the demand needed to absorb that capacity; (2) an increase in ethylene costs, and (3) an increase in our cost of natural gas. The impact of these unfavorable factors was partially offset by higher sales prices for vinyl resins, VCM and chlorinated ethylene products, and by lower maintenance and operating costs attributable to fewer outages in the third quarter of 2014 compared to the same quarter in 2013, particularly in our chlorovinyls segment.

For the nine months ended September 30, 2014, net sales totaled $3,500.0 million, a decrease of 1 percent compared to $3,531.5 million for the nine months ended September 30, 2013. Operating income was $132.2 million for the nine months ended September 30, 2014, compared to $273.9 million for the nine months ended September 30, 2013. Adjusted EBITDA was $335.0 million for the nine months ended September 30, 2014 compared to $506.5 million for the nine months ended September 30, 2013. In addition, the company reported net income attributable to Axiall of $60.1 million, or $0.85 per diluted share for the nine months ended September 30, 2014, compared to net income attributable to Axiall of $108.3 million, or $1.62 per diluted share for the nine months ended September 30, 2013. The company reported Adjusted Net Income of $79.0 million and Adjusted Earnings Per Share of $1.12 for the nine months ended September 30, 2014, compared to Adjusted Net Income of $197.5 million and Adjusted Earnings Per Share of $2.95 for the nine months ended September 30, 2013. See Reconciliation of Non-GAAP Financial Measures in this Quarterly Report on Form 10-Q.

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The decrease in net sales for the nine months ended September 30, 2014 as compared to the nine months ended September 30, 2013 was primarily attributable to a $111.0 million decrease in the net sales of our aromatics segment which was due to decreased domestic demand for cumene and decreased export opportunities for phenol, partially offset by increases in the net sales of our chlorovinyls and building products segments. The $63.2 million increase in our chlorovinyls segment's net sales was partly due to the inclusion of nine months of sales results from the Merged Business for the year-to-date period ended September 30, 2014 versus eight months in the year-to-date period ended September 30, 2013, coupled with higher vinyl resin pricing during the nine months ended September 30, 2014. Net sales in our building products segment increased $16.3 million due to higher sales volumes in the United States.

The decreases in operating income, Adjusted EBITDA, net income attributable to Axiall and Adjusted Net Income, for the nine months ended September 30, 2014, as compared to the nine months ended September 30, 2013, were primarily attributable to: (1) lower ECU values, especially with respect to caustic soda pricing, resulting primarily from the addition of new production capacity in North America coupled with slower growth in the demand needed to absorb that capacity; (2) lower operating rates and higher maintenance and operating costs in our chlorovinyls segment, primarily due to an extended unplanned outage at our PHH VCM manufacturing facility, which did not return to full service until the end of June 2014; and (3) a significant increase in our cost of ethylene and natural gas.

Chlorovinyls Business Overview

Our chlorovinyls segment produces a highly integrated chain of chlor-alkali and derivative products (chlorine, caustic soda, VCM, vinyl resins, ethylene dichloride, chlorinated solvents, calcium hypochlorite, muriatic acid and phosgene derivatives) and compound products (vinyl compounds and compound additives and plasticizers). As discussed further below, certain highlights from our chlorovinyls segment results of operations for the three and nine months ended September 30, 2014 compared to the three and nine months ended September 30, 2013 were as follows:

•      Net sales totaled $769.4 million and $750.0 million for the three months ended September 30, 2014 and 2013, respectively, increasing approximately 3 percent.

•      Net sales totaled $2,229.5 million and $2,166.3 million for the nine months ended September 30, 2014 and 2013, respectively, increasing approximately 3 percent.

•      Operating income and Adjusted EBITDA decreased to $69.6 million and $118.5 million, respectively, during the three months ended September 30, 2014 versus operating income and Adjusted EBITDA of $101.6 million and $151.5 million, respectively, for the comparable period in the prior year.

•      Operating income and Adjusted EBITDA decreased to $159.5 million and $316.3 million, respectively, during the nine months ended September 30, 2014 versus operating income and Adjusted EBITDA of $311.0 million and $463.3 million, respectively, for the comparable period in the prior year.

Our chlorovinyls segment is cyclical in nature and is affected by domestic and worldwide economic conditions. Cyclical price swings, driven by changes in supply and demand, can lead to significant changes in the overall profitability of our chlorovinyls segment. The demand for our chlorovinyls products tends to reflect fluctuations in downstream markets that are affected by consumer spending for durable and non-durable goods as well as construction. Global capacity also materially affects the prices of chlorovinyls products. Historically, in periods of high operating rates, prices rise and margins increase and, as a result, new capacity is announced. Since world scale size plants are generally the most cost-competitive, new increases in capacity tend to be on a large scale and are often undertaken

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by existing industry participants. Usually, as new capacity is added, prices decline until increases in demand improve operating rates and the new capacity is absorbed or, in some instances, until less efficient producers withdraw capacity from the market. As the additional supply is absorbed, operating rates rise, prices increase and the cycle repeats.

In addition, purchased raw materials and natural gas costs account for the majority of our cost of sales and can also have a material effect on our profitability and margins. Some of the primary raw materials used in our chlorovinyls products, including ethylene, are crude oil and natural gas derivatives and therefore follow the oil and gas industry price trends.

Building Products Business Overview

Our building products segment consists of two primary product groups: (i) window and door profiles and trim, mouldings and deck products, which include extruded vinyl window and door profiles, interior and exterior trim and mouldings products, as well as deck products; and (ii) outdoor building products, which includes siding, pipe and pipe fittings. As discussed further below, certain highlights from our building products segment results of operations for the three and nine months ended September 30, 2014 compared to the three and nine months ended September 30, 2013 were as follows:

•      Net sales totaled $277.8 million and $253.4 million for the three months ended September 30, 2014 and 2013, respectively, increasing 10 percent. On a constant currency basis, net sales for the three months ended September 30, 2014 increased by 12 percent.

•      For the three months ended September 30, 2014, our building products segment's geographical sales to the United States and Canada were 52 percent and 47 percent respectively, compared with 48 percent and 51 percent for the three months ended September 30, 2013.

•      Net sales totaled $676.3 million and $660.0 million for the nine months ended September 30, 2014 and 2013, respectively, increasing approximately 2 percent. On a constant currency basis, net sales for the nine months ended September 30, 2014 increased by 5 percent.

•      For the nine months ended September 30, 2014, our building products segment's geographical sales to the United States and Canada were 54 percent and 45 percent respectively, compared with 49 percent and 50 percent for the nine months ended September 30, 2013.

•      Operating income was $24.0 million and Adjusted EBITDA was $34.0 million for the three months ended September 30, 2014 compared to an operating loss of $6.7 million and Adjusted EBITDA of $31.1 million for the three months ended September 30, 2013.

•      Operating income was $27.4 million and Adjusted EBITDA was $58.7 million for the nine months ended September 30, 2014 compared to operating loss of $0.9 million and Adjusted EBITDA of $56.8 million for the nine months ended September 30, 2013.

The building products segment is impacted by changes in the North American home repair and remodeling sectors, as well as the new construction industry, which may be significantly affected by changes in economic and other conditions such as gross domestic product levels, employment levels, demographic trends, consumer confidence, increases in interest rates and availability of consumer financing for home repair and remodeling projects as well as the availability of financing for new home purchases. These factors can lower the demand for, and pricing of our products, while we may not be able to reduce our costs by an equivalent amount.

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Aromatics Business Overview

Our aromatics segment manufactures cumene products and phenol and acetone products (co-products made from cumene). As discussed further below, certain highlights of our aromatics segment results of operations for the three and nine months ended September 30, 2014 compared to the three and nine months ended September 30, 2013 were as follows:

•      Net sales were $222.2 million and $194.1 million for the three months ended September 30, 2014 and 2013, respectively, increasing 14 percent in the aggregate and reflecting a 13 percent increase in cumene sales volume partially offset by a 14 percent decrease in phenol and acetone sales volumes.

•      Net sales were $594.2 million and $705.2 million for the nine months ended September 30, 2014 and 2013, respectively, decreasing 16 percent in the aggregate and reflecting a 19 percent decrease in cumene sales volume and a 25 percent decrease in phenol and acetone sales volumes, while sales prices increased due to higher benzene costs.

•      Operating income and Adjusted EBITDA were $2.0 million and $2.6 million, respectively, for the three months ended September 30, 2014 compared to operating income and Adjusted EBITDA of $5.2 million and $5.5 million, respectively, for the comparable period in the prior year.

•      Operating loss was $0.9 million and Adjusted EBITDA was $0.5 million for the nine months ended September 30, 2014 compared to operating income of $22.5 million and Adjusted EBITDA of $23.4 million for the comparable period in the prior year.

In our aromatics business, significant volatility in raw materials costs can decrease product margins as sales price increases sometimes lag raw materials cost increases. Product margins may also suffer from a sharp decline in raw materials costs due to the time lag between the purchase of raw materials and the sale of the finished goods manufactured using those raw materials.

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Results of Operations

The following table sets forth our unaudited condensed consolidated statements of operations data for each of the three and nine month periods ended September 30, 2014 and 2013, and the percentage of net sales of each line item for the three and nine month periods presented.

The following table sets forth certain financial data, by reportable segment, for each of the three and nine month periods ended September 30, 2014 and 2013.

Three Months Ended September 30, 2014 versus Three Months Ended September 30, 2013

Consolidated Results

Net sales.    For the three months ended September 30, 2014, net sales totaled $1,269.4 million, an increase of 6 percent compared to $1,197.5 million for the comparable three months ended September 30, 2013. The net sales increase was primarily attributable to the increase in net sales for each of our reportable segments. Net sales in our chlorovinyls segment increased $19.4 million due

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to: (i) higher vinyl resins sales volumes resulting from increased demand; and (ii) higher vinyl resins pricing driven by a favorable industry supply and demand balance and higher feedstock costs, partially offset by lower ECU values, especially with respect to caustic soda pricing, resulting primarily from the addition of new production capacity in North America coupled with slower growth in the demand needed to absorb that capacity. Net sales in our building products segment increased $24.4 million as a result of higher sales volumes in the United States and Canada. Net sales in our aromatics segment increased $28.1 million due primarily to a 13 percent increase in cumene sales volume, partially offset by a 14 percent decrease in phenol and acetone sales volumes.

Gross margin percentage.    Total gross margin percentage decreased to 13 percent for the three months ended September 30, 2014 from 16 percent for the three months ended September 30, 2013. This decrease was principally due to: (1) lower ECU values caused by the factors discussed above; (2) an increase in ethylene costs; and (3) an increase in our natural gas costs. In September 2014, IHS Inc. ("IHS") reported that natural gas prices increased 14 percent and ethylene prices increased 12 percent for the three months ended September 30, 2014 as compared to the same period in the prior year. The impact of these unfavorable factors was partially offset by higher pricing for vinyl resins, VCM and chlorinated ethylene products.

Selling, general and administrative expenses.    Selling, general and administrative expenses totaled $79.8 million for the three months ended September 30, 2014, an increase of 7 percent from $74.9 million for the three months ended September 30, 2013. This increase was primarily due to increased amortization expense, information technology costs, and sales expenses in our building products segment.

Transaction-related costs and other, net.    Transaction-related costs and other, net, decreased 47 percent to $7.8 million during the three months ended September 30, 2014 from $14.8 million during the three months ended September 30, 2013. The $7.0 million decrease was primarily due to lower restructuring and integration costs, lower costs to attain Merger-related synergies and a decrease in deal-related costs during the three months ended September 30, 2014, versus the three months ended September 30, 2013.

Long-lived asset impairment charges, net.    Long-lived asset impairment charges totaled $0.3 million and $25.8 million for the three months ended September 30, 2014 and 2013, respectively. Long lived asset impairment charges totaled $25.8 million for the three months ended September 30, 2013, primarily due to a $24.9 million non-cash impairment charge to write-down goodwill and other intangible assets related to our window and door profiles reporting unit in our building products segment. There were no similar charges in the three months ended September 30, 2014.

Operating income.    Operating income was $74.2 million for the three months ended September 30, 2014 compared to an operating income of $78.1 million for the three months ended September 30, 2013. The decrease in operating income was primarily a result of: (i) lower ECU values, especially with respect to caustic soda pricing; (ii) higher ethylene costs; and (iii) higher natural gas costs, offset partially by an increase in operating income for our building products segment.

Interest expense, net.    Interest expense, net, was $19.5 million and $19.7 million for the three month periods ended September 30, 2014 and 2013, respectively.

Foreign currency exchange loss.    Foreign currency exchange loss was $0.3 million and $0.4 million for the three months ended September 30, 2014 and 2013, respectively.

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Provision for income taxes.    The provision for income taxes was $9.3 million for the three months ended September 30, 2014, compared to a provision for income taxes of $18.7 million for the three months ended September 30, 2013. The decrease was primarily due to a lower income before income taxes during the three months ended September 30, 2014 compared to the three months ended September 30, 2013.

Our effective income tax rates for the three months ended September 30, 2014 and 2013 were 17.1 percent and 32.2 percent, respectively. The difference in the effective income tax rate as compared to the United States statutory federal income tax rate in 2014 was primarily due to various permanent differences including deductions for manufacturing activities as well as the favorable impact of changes in uncertain tax positions of $4.5 million and the favorable impact of the expiration of a statutory time period that would have impacted the tax deductibility of certain accruals of $2.1 million. The difference in the effective income tax rate as compared to the United States statutory federal income tax rate in 2013 was primarily due to various permanent differences including deductions for manufacturing activities and the favorable impact of changes in uncertain tax positions of $2.8 million.

Chlorovinyls Segment

Net sales.    Net sales totaled $769.4 million for the three months ended September 30, 2014, an increase of 3 percent versus net sales of $750.0 million for the comparable three month period in 2013. Our overall net sales increase was primarily due to: (1) higher vinyl resins sales volumes due to increased demand; and (2) higher vinyl resins pricing driven by a favorable industry supply and demand balance and higher feedstock costs, partially offset by lower ECU values, especially with respect to caustic soda pricing, resulting primarily from the addition of new production capacity in North America coupled with slower growth in the demand needed to absorb that capacity.

Operating income.    Operating income decreased by $32.0 million to $69.6 million for the three months ended September 30, 2014 from $101.6 million for the three months ended September 30, 2013. The decrease was principally due to: (1) lower ECU values, caused primarily by the factors discussed above; (2) an increase in our ethylene costs; and (3) an increase in our natural gas costs. In September 2014, IHS reported that industry natural gas prices increased 14 percent and ethylene prices increased 12 percent for the three months ended September 30, 2014, as compared to the same period in the prior year. The impact of these unfavorable factors was partially offset by higher pricing for vinyl resins, VCM and chlorinated ethylene products, and by lower maintenance and operating costs due to fewer outages in the third quarter of 2014 as compared to the same quarter last year. The Adjusted EBITDA decrease of $33.0 million to $118.5 million for the three months ended September 30, 2014 from $151.5 million for the three months ended September 30, 2013 was predominantly due to lower ECU values and higher ethylene and natural gas costs, partially offset by higher pricing for vinyl resins, VCM and chlorinated ethylene products, and by lower maintenance costs, attributable to fewer outages in the third quarter of 2014 compared to the same quarter in 2013.

Building Products Segment

Net Sales.    Net sales totaled $277.8 million for the three months ended September 30, 2014, increasing 10 percent versus net sales of $253.4 million for the comparable three month period in 2013. The net sales increase was driven by a 15 percent increase in sales volume, with sales volumes in the United States higher by 21 percent and sales volumes in Canada higher by 8 percent, offset in part by the impact of a weaker Canadian dollar. On a constant currency basis, net sales increased by 12 percent. For the three months ended September 30, 2014, our building products segment's geographical sales to the United States and Canada were 52 percent and 47 percent, respectively, compared with 48 percent and 51 percent, respectively, for the three months ended September 30, 2013.

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Operating Income.    Operating income was $24.0 million for the three months ended September 30, 2014, compared to an operating loss of $6.7 million for the three months ended September 30, 2013. The increase in operating income was the result of $27.4 million in lower impairment and restructuring charges in the three months ended September 30, 2014 versus the three months ended September 30, 2013. The three months ended September 30, 2013 included a $24.9 million non-cash impairment charge to write down goodwill and other intangible assets as a result of our evaluation of the window and door profiles reporting unit's fair value. There were no such impairment charges related to goodwill and other intangible assets in the three months ended September 30, 2014. In addition, we recorded $2.6 million lower restructuring charges relating to various plant consolidation and cost saving initiatives during the three months ended September 30, 2014 compared to the three months ended September 30, 2013. Adjusted EBITDA was $34.0 million for the three months ended September 30, 2014 compared to Adjusted EBITDA of $31.1 million for the three months ended September 30, 2013. The $2.9 million increase in Adjusted EBITDA was primarily a result of higher sales volumes and lower conversion costs, offset in part by a weaker Canadian dollar and higher material and distribution costs.

Aromatics Segment

Net Sales.    Net sales were $222.2 million for the three months ended September 30, 2014, an increase of 14 percent versus $194.1 million for the comparable three month period in 2013. The net sales increase primarily resulted from a 13 percent increase in cumene sales volume, partially offset by a 14 percent decrease in phenol and acetone sales volumes. The decrease in our phenol sales volume is primarily due to a significant decline in export demand for phenol produced in the United States, which largely resulted from the recent addition of a significant amount of new phenol production capacity in Asia. We expect these lower levels in phenol sales volumes to continue for the remainder of 2014.

Operating income.    Operating income was $2.0 million and $5.2 million for the three months ended September 30, 2014 and 2013, respectively. Our operating rates for the aromatics segment were lower in the three months ended September 30, 2014, versus the comparable three month period ended September 30, 2013, and were lower than the industry operating rates for the three months ended September 30, 2014, as reported in the September 2014 IHS publication. The $3.2 million decrease in operating income was primarily due to increased raw materials costs, partially offset by higher sales prices. Adjusted EBITDA was $2.6 million and $5.5 million for the three months ended September 30, 2014 and 2013, respectively, decreasing $2.9 million principally due to higher raw materials costs, partially offset by higher sales prices.

Nine months Ended September 30, 2014 versus Nine months Ended September 30, 2013

Consolidated Results

Net sales.    For the nine months ended September 30, 2014, net sales totaled $3,500.0 million, a decrease of 1 percent compared to $3,531.5 million for the nine months ended September 30, 2013. The decrease in our consolidated net sales was primarily attributable to a $111.0 million decrease in the net sales in our aromatics segment partially offset by increases in the net sales of our chlorovinyls and building products segments. The decrease in our aromatics net sales was primarily due to decreased domestic demand for cumene and decreased export opportunities for phenol, both of which were due primarily to significant recent additions of phenol production capacity in Asia. Net sales in our chlorovinyls segment increased by $63.2 million primarily due to the inclusion of nine months of sales results from the Merged Business for the year-to-date period ended September 30, 2014 versus the inclusion of only eight months of sales results from the Merged Business for the year-to-date period ended September 30, 2013, offset by: (1) lower ECU values, especially with respect to caustic soda

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pricing, caused primarily by the addition of new production capacity in North America coupled with slower growth in the demand needed to absorb that capacity; and (2) decreased operating rates, primarily as a result of the extended unplanned outage at our PHH VCM manufacturing facility, which did not return to full service until the end of June 2014. Net sales in our building products segment increased by $16.3 million primarily driven by an 18 percent increase in sales volumes in the United States, partially offset by a 1 percent decline in Canadian sales volumes, as well as the impact of a weaker Canadian dollar.

Gross margin percentage.    Total gross margin percentage decreased to 11 percent for the nine months ended September 30, 2014 from 16 percent for the nine months ended September 30, 2013. This decrease was principally due to: (1) lower ECU values, especially with respect to caustic soda pricing, caused primarily by the factors discussed in the preceding paragraph; (2) lower operating rates and higher operating costs in our chlorovinyls segment, due primarily to the extended unplanned outage at our PHH VCM manufacturing facility, which did not return to full service until the end of June 2014; and (3) higher natural gas and ethylene costs. In September 2014, IHS reported that natural gas prices increased 23 percent and ethylene prices increased by 5 percent for the nine months ended September 30, 2014 as compared to the same period in the prior year. These unfavorable factors were partially offset by higher pricing for our vinyl resin, VCM and chlorinated ethylene products. In 2013, the chlorovinyls segment's gross margin was negatively impacted by approximately $13.4 million due to the fair value inventory purchase accounting adjustment related to the Merged Business.

Selling, general and administrative expenses.    Selling, general and administrative expenses totaled $232.4 million for the nine months ended September 30, 2014, an increase of 6 percent from $219.8 million for the nine months ended September 30, 2013. This increase was primarily due to the inclusion of nine months of expenses from the Merged Business during the year-to-date period ended September 30, 2014, versus only eight months for the year-to-date period ended September 30, 2013, as well as increased amortization expense, professional fees and information technology costs.

Transaction-related costs and other, net.    Transaction-related costs and other, net, decreased 29 percent to $23.8 million during the nine months ended September 30, 2014 from $33.7 million during the nine months ended September 30, 2013. The $9.9 million decrease was primarily due to lower integration costs, deal-related costs and costs to attain Merger-related synergies, partially offset by higher restructuring and other costs during the nine months ended September 30, 2014, compared to the nine months ended September 30, 2013.

Long-lived asset impairment charges, net.    Long-lived asset impairment charges totaled $1.0 million and $28.4 million for the nine months ended September 30, 2014 and 2013, respectively. The $27.4 million decrease for the nine months ended September 30, 2014, was primarily due to a $24.9 million non-cash impairment charge to write-down goodwill and other intangible assets related to our window and door profiles reporting unit in our building products segment during the nine months ended September 30, 2013. There were no similar charges in the nine months ended September 30, 2014.

Operating income.    Operating income was $132.2 million for the nine months ended September 30, 2014 compared to an operating income of $273.9 million for the nine months ended September 30, 2013. The decrease in operating income was primarily a result of: (i) lower ECU values, especially with respect to caustic soda pricing; (ii) lower operating rates and higher operating costs in our chlorovinlys segment, due primarily to the extended unplanned outage at our PHH VCM manufacturing facility, which did not return to full service until the end of June 2014; and (iii) higher natural gas and ethylene costs.

Interest expense, net.    Interest expense, net, totaled $56.9 million and $57.4 million for the nine month periods ended September 30, 2014 and 2013, respectively.

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Loss on redemption and other debt cost.    Loss on redemption and other debt cost resulted from the financing of the Transactions and financing fees associated with the retirement of our 9 percent notes in 2013, which included a $55.4 million make-whole payment. There were no similar transactions or refinancing activities during the nine months ended September 30, 2014.

Gain on acquisition of controlling interest.    In the Transactions, we acquired the Merged Business and the remaining 50 percent interest of PHH that we did not previously own. Prior to the Transactions, we owned 50 percent of PHH and accounted for our ownership interest as an equity method investment. During the nine months ended September 30, 2013, we recognized a gain of $23.5 million as a result of remeasuring our prior equity interest in PHH held before the Merger in accordance with GAAP. We had no such gain during the nine months ended September 30, 2014.

Foreign currency exchange loss.    Foreign currency exchange loss totaled $0.2 million and nil during the nine months ended September 30, 2014 and 2013, respectively. The foreign currency exchange loss for the third quarter of 2014 is primarily due to the impact of a weaker Canadian dollar.

Provision for income taxes. The provision for income taxes was $12.5 million for the nine months ended September 30, 2014, compared to a provision for income taxes of $51.3 million for the nine months ended September 30, 2013. The decrease was primarily due to a lower income before income taxes during the nine months ended September 30, 2014 compared to the nine months ended September 30, 2013.

Our effective income tax rates for the nine months ended September 30, 2014 and 2013 were 16.6 percent and 31.8 percent, respectively. The difference in the effective income tax rate as compared to the United States statutory federal income tax rate in 2014 was primarily due to various permanent differences including deductions for manufacturing activities, as well as the favorable impact of changes in uncertain tax positions of $8.0 million and the favorable impact of the expiration of a statutory time period that would have impacted the tax deductibility of certain accruals of $2.1 million in the nine months ended September 30, 2014. The difference in the effective income tax rate as compared to the United States statutory federal income tax rate in 2013 was primarily due to various permanent differences including deductions for manufacturing activities and the favorable impact of changes in uncertain tax positions of $3.7 million.

Chlorovinyls Segment

Net sales.    Net sales totaled $2,229.5 million for the nine months ended September 30, 2014, an increase of 3 percent versus net sales of $2,166.3 million for the comparable nine month period in 2013. Our overall net sales increase was primarily due to the inclusion of nine months of sales results from the Merged Business for the year-to-date period ended September 30, 2014 versus the inclusion of only eight months of sales results from the Merged Business for the year-to-date period ended September 30, 2013, offset by: (1) lower ECU values, especially with respect to caustic soda pricing, caused primarily by the addition of new production capacity in North America coupled with slower growth in the demand needed to absorb that capacity; and (2) decreased operating rates and associated lower sales volumes, primarily resulting from the extended unplanned outage at our PHH VCM manufacturing facility, which did not return to full service until the end of June 2014.

Operating income.    Operating income decreased by $151.5 million to $159.5 million for the nine months ended September 30, 2014 from $311.0 million for the nine months ended September 30, 2013. The decrease was principally due to: (1) lower ECU values resulting primarily from the reasons discussed above; (2) an increase in our natural gas and ethylene costs; and (3) lower operating rates and higher operating costs, primarily due to the extended unplanned outage at our PHH VCM manufacturing facility, which did not return to full service until the end of June 2014. The impact of

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these unfavorable factors was partially offset by higher pricing for our vinyl resins, VCM and chlorinated ethylene products. In September 2014, IHS reported that industry natural gas prices increased 23 percent and ethylene prices increased 5 percent for the nine months ended September 30, 2014 compared to the same period in the prior year. During the nine months ended September 30, 2013, the segment's operating income was negatively impacted by approximately $13.4 million due to the fair value inventory purchase accounting adjustment related to the Merged Business and by $11.6 million of costs to attain Merger-related synergies, which included plant reliability improvement initiatives. Adjusted EBITDA decreased $147.0 million to $316.3 million for the nine months ended September 30, 2014 from $463.3 million for the nine months ended September 30, 2013. That decrease was predominantly due to the same three factors discussed above with respect to operating income, partially offset by the nine full months of Adjusted EBITDA contributed by the Merged Business.

Building Products Segment

Net Sales.    Net sales totaled $676.3 million for the nine months ended September 30, 2014, increasing 2 percent, versus $660.0 million for the comparable nine month period in 2013. The net sales increase was primarily driven by an 18 percent increase in sales volumes in the United States, partially offset by a 1 percent decline in Canadian sales volumes as well as the impact of a weaker Canadian dollar. On a constant currency basis, net sales increased by 5 percent. For the nine months ended September 30, 2014, our building products segment's geographical sales to the United States and Canada were 54 percent and 45 percent respectively, compared with 49 percent and 50 percent for the nine months ended September 30, 2013.

Operating Income.    Operating income was $27.4 million for the nine months ended September 30, 2014, compared to an operating loss of $0.9 million for the nine months ended September 30, 2013. The increase in operating income was primarily a result of $26.2 million in lower impairment and restructuring charges in the nine months ended September 30, 2014 compared to the nine months ended September 30, 2013. The nine months ended September 30, 2013 included a $24.9 million non-cash impairment charge to write down goodwill and other intangible assets as a result of our evaluation of the window and door profiles reporting unit's fair value. There were no such impairment charges related to goodwill and other intangible assets for the nine months ended September 30, 2014. In addition, we recorded $1.2 million lower restructuring charges relating to various plant consolidation and cost saving initiatives during the nine months ended September 30, 2014 compared to the nine months ended September 30, 2013. Adjusted EBITDA was $58.7 million for the nine months ended September 30, 2014 compared to Adjusted EBITDA of $56.8 million for the nine months ended September 30, 2013. The $1.9 million increase in Adjusted EBITDA was primarily a result of higher sales volumes, lower conversion costs and lower general and administrative expenses, partially offset by a weaker Canadian dollar, higher distribution and material costs and higher selling related expenditures.

Aromatics Segment

Net Sales.    Net sales were $594.2 million for the nine months ended September 30, 2014, a decrease of 16 percent versus $705.2 million for the comparable nine month period in 2013. The net sales decrease primarily resulted from a 19 percent decrease in cumene sales volume and a 25 percent decrease in phenol and acetone sales volumes, partially offset by sales price increases due to higher benzene costs. The decrease in our sales volume of phenol is primarily due to a significant decline in export demand for phenol produced in the United States, which is primarily the result of the recent addition of a significant amount of new phenol production capacity in Asia. These same factors are also primarily responsible for the decrease in our sales volume of cumene. Specifically, domestic producers of phenol are manufacturing less phenol, for which cumene is a raw material, in response to the decline in export demand for phenol. Accordingly, those domestic producers, some of which have historically been our

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customers, have required significantly less cumene. In addition, with respect to the decline in our cumene sales volume, that decline has been caused in part by certain of our customers purchasing less cumene from us. We expect these lower levels of phenol sales volumes to continue throughout the remainder of 2014.

Operating income (loss).    Operating loss was $0.9 million and operating income was $22.5 million for the nine months ended September 30, 2014 and 2013, respectively. Our operating rates for the aromatics segment were lower in the nine months ended September 30, 2014, versus the comparable nine months ended September 30, 2013 and were lower than the industry operating rates for the nine months ended September 30, 2014, as reported in the IHS September 2014 publication. The $23.4 million decrease in operating income and our lower operating rates were due primarily to the overall weakening of the domestic and international aromatics markets. The Adjusted EBITDA decrease of $22.9 million to $0.5 million for the nine months ending September 30, 2014 from $23.4 million for the nine months ending September 30, 2013 was principally due to lower domestic and export sales volumes, which were a result of the factors discussed in the preceding paragraph.

Liquidity and Capital Resources

Operating Activities.    Net cash provided by operating activities was $161.5 million and $156.0 million, for the nine months ended September 30, 2014 and 2013, respectively. Total working capital used in operations for the nine month periods ended September 30, 2014 and 2013 was $48.9 million and $206.4 million, respectively. The decrease in working capital used during the first nine months of 2014 as compared to the first nine months of 2013 was primarily attributable to a decrease of $46.3 million in cash flows used for inventory and a $31.8 million decrease in working capital used by receivables due to our improved collection efforts in 2014 versus 2013 and a $29.0 million increase in payables. As of September 30, 2014 and December 31, 2013, net working capital was $622.2 million and $625.4 million, respectively.

Investing Activities.    Net cash used in investing activities was $148.2 million and $70.7 million for the nine months ended September 30, 2014 and 2013, respectively. The increase in investing activities was primarily attributable to: (i) an increase in cash used for capital expenditures to $147.4 million in the nine months ended September 30, 2014 from $108.5 million in the nine months ended September 30, 2013, primarily due to the investments in our chlorovinyls segment; and (ii) the inclusion of $26.7 million of cash acquired in the Merger that reduced our net cash used in investing activities during the nine months ended September 30, 2013.

Financing Activities.    Net cash used in financing activities was $61.7 million and $204.3 million for the nine months ended September 30, 2014 and 2013, respectively. During the nine months ended September 30, 2014, our financing activities primarily consisted of $33.8 million and $7.7 million for the distribution of dividends to our shareholders and the noncontrolling interest partner in our TCI joint venture, respectively, and for a $10 million payment owed to PPG pursuant to an agreement related to the Merger. During the nine months ended September 30, 2013, our financing activities included: (1) the assumption of $688.0 million in aggregate principal amount of 4.625 percent senior notes of Eagle Spinco, Inc. ("Spinco") due 2021 (the "4.625 Notes"); (2) $195.3 million of borrowings under Spinco's term loan facility (the "Term Loan") in connection with the Transactions; and (3) the tender offer for, and redemption of $500.0 million of our outstanding 9 percent senior secured notes due 2017 (the "9 percent notes") with the proceeds from the issuance of $450 million in aggregate principal amount of 4.875 percent senior notes of Axiall Corporation due 2023 (the "4.875 Notes"). Also, during the nine months ended September 30, 2013, we repaid approximately $81.1 million of the outstanding balance of the Term Loan.

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ABL Revolver

The Company's asset based revolving credit facility (the "ABL Revolver") provides for a maximum of $500.0 million of revolving credit. The agreement governing the ABL Revolver (the "ABL Credit Agreement") contains customary covenants (subject to certain exceptions), including certain restrictions on the Company and its subsidiaries to pay dividends. In addition, the Company is subject to a fixed charge coverage ratio (as defined in the ABL Credit Agreement) of 1.10 to 1.00 if excess availability is less than $62.5 million for six consecutive business days. At September 30, 2014 and December 31, 2013, we had no outstanding balance on the ABL Revolver. Our availability under the ABL Revolver at September 30, 2014 was approximately $414.6 million, net of outstanding letters of credit totaling $85.4 million.

As of September 30, 2014, we were in compliance with all covenants under the ABL Credit Agreement, the Term Loan agreement and the indentures governing our 4.625 Notes and 4.875 Notes.

Management believes, based on current and projected levels of operations and conditions in our markets and cash flow from operations, together with our cash and cash equivalents on hand and the availability to borrow under our ABL Revolver, we have adequate funding for the foreseeable future to make the required payments of interest on our debt, fund our operating needs, working capital and capital expenditure requirements and comply with the financial ratios in our debt agreements. We have no significant scheduled required payments of principal on our outstanding debt until January 2017. However, under our Term Loan agreement, we would be required to make prepayments of our Term Loan in an amount equal to a specified percentage of our Excess Cash Flow (as defined in the Term Loan agreement) for a given fiscal year if, as of the last day of that year, our Total Leverage Ratio (as defined in the Term Loan agreement) was greater than 2.00 to 1.0. We do not expect that any material payment will be required under this provision of our Term Loan agreement with respect to the 2014 fiscal year. To the extent our cash flow and liquidity exceeds the levels necessary for us to make required payments on our debt, fund our working capital and capital expenditure requirements and comply with our ABL Revolver, we may use the excess liquidity to further grow our business through investments or acquisitions, payment of dividends and/or to reduce our debt.

Dividends.    During the nine months ended September 30, 2014, the Company's Board of Directors declared dividends of $0.48 per share, in equal installments of $0.16 per share, according to the following record and payment dates:

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Contractual Obligations.    Our aggregate future payments under contractual obligations by category as of September 30, 2014, were as follows:

Purchase obligations.    Purchase obligations primarily include agreements to purchase goods or services that are enforceable and legally binding and that specify all significant terms. We have certain long-term raw material supply contracts and energy purchase agreements with various terms extending through 2026. These commitments are designed to assure sources of supply for our normal requirements. Amounts are based upon contractual raw material volumes and market rates as of September 30, 2014.

Long-term debt, principal.    Long-term debt principal obligations are listed based on the contractual due dates.

Long-term debt, interest.    Long-term debt interest payments are based on our contractual rates, or in the case of variable interest rate obligations, the weighted average interest rates as of September 30, 2014.

Lease financing obligations.    We lease land and buildings for certain of our Canadian manufacturing facilities under leases with varying maturities through the year 2017.

Capital lease obligations.    We lease railcars for certain of our chlorovinyls segment under capital leases with varying maturities through the year 2020.

Operating lease obligations.    We lease railcars, storage terminals, computer equipment, automobiles, barges and warehouse and office space under non-cancelable operating leases with varying maturities through the year 2025.

Expected pension and other post-retirement benefit contributions.    Expected pension contributions for the funded obligations represent the projected minimum required contributions based on assumptions as of September 30, 2014 and determined in accordance with local requirements such as the Employee Retirement Income Security Act. Also included are contributions for the unfunded pension and other postretirement benefit plans which are based on the expected benefit payments estimated as of September 30, 2014.

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Deferred acquisition payments.    Payments of deferred purchase price represent amounts due to PPG based upon the final funding status of the pension plans acquired in the acquisition of the Merged Business.

Asset retirement obligations.    We have recognized a liability for the present value of cost we estimate we will incur to retire certain assets. The amount reported in the Contractual Obligations table above, represents the undiscounted estimated cost to retire such assets. The estimated average timing of these obligations is in excess of forty years.

Uncertain income tax positions.    We have recognized a liability for our uncertain income tax positions of approximately $11.2 million as of September 30, 2014. We do not believe we are likely to pay any amounts during the year ended December 31, 2014. The ultimate resolution and timing of payment for remaining matters continues to be uncertain and are therefore excluded from the Contractual Obligations table above.

Reconciliation of Non-GAAP Financial Measures

Axiall has supplemented its financial statements prepared in accordance with GAAP that are set forth in this Quarterly Report on Form 10-Q (the "Financial Statements") with four non-GAAP financial measures: (i) Adjusted Net Income; (ii) Adjusted Earnings Per Share; (iii) Adjusted EBITDA; and (iv) building products net sales on a constant currency basis.

Adjusted Net Income is defined as net income attributable to Axiall excluding adjustments for tax effected cash and non-cash restructuring charges and certain other charges, if any, related to financial restructuring and business improvement initiatives, gains or losses on redemption and other debt costs, and sales of certain assets, certain purchase accounting and certain non-income tax reserve adjustments, professional fees related to a previously disclosed and withdrawn unsolicited offer and the Merger, costs to attain Merger-related synergies, goodwill, intangible assets, and other long-lived asset impairments.

Adjusted Earnings Per Share is calculated using Adjusted Net Income rather than consolidated net income calculated in accordance with GAAP.

Adjusted EBITDA is defined as Earnings Before Interest, Taxes, Depreciation, and Amortization, cash and non-cash restructuring charges and certain other charges, if any, related to financial restructuring and business improvement initiatives, gains or losses on redemption and other debt costs, and sales of certain assets, certain purchase accounting and certain non-income tax reserve adjustments, professional fees related to a previously disclosed and withdrawn unsolicited offer and the Merger, costs to attain Merger-related synergies, goodwill, intangible assets, and other long-lived asset impairments, and interest expense related to the lease-financing transaction discussed in Note 8 to the accompanying unaudited condensed consolidated financial statements.

Axiall has supplemented the financial statements with Adjusted Net Income and Adjusted Earnings Per Share because investors commonly use financial measures such as Adjusted Net Income and Adjusted Earnings Per Share as a component of performance and valuation analysis for companies, such as Axiall, that recently have engaged in transactions that result in non-recurring pre-tax charges or benefits that have a significant impact on the calculation of net income pursuant to GAAP, in order to approximate the amount of net income that such a company would have achieved absent those non-recurring, transaction-related charges or benefits. In addition, Axiall has supplemented the Financial Statements with Adjusted Net Income and Adjusted Earnings Per Share because we believe these financial measures will be helpful to investors in approximating what Axiall's net income (loss) would have been absent the impact of certain non-recurring, pre-tax charges and benefits related to the

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Merger, the Company's issuance of its 4.875 Notes and the tender offer for, and related redemption of, its 9 percent notes. Axiall has supplemented the financial statements with Adjusted EBITDA because investors commonly use Adjusted EBITDA as a main component of valuation analysis of cyclical companies such as Axiall.

In addition, Axiall may compare certain financial information including building products net sales on a constant currency basis. We present such information to provide a framework for investors to assess how our underlying businesses performed, excluding the effect of foreign currency rate fluctuations, primarily fluctuations in the Canadian dollar. To present this information, current and comparative prior period financial information for certain businesses reporting in currencies other than United States dollars are converted into United States dollars at the average exchange rate in effect during the period, rather than the average exchange rates in effect during the respective periods.

Adjusted Earnings Per Share, Adjusted Net Income, Adjusted EBITDA and net sales on a constant currency basis, are not measurements of financial performance under GAAP and should not be considered as an alternative to net income, GAAP diluted earnings per share or net sales, as a measure of performance or to cash provided by operating activities as a measure of liquidity. In addition, our calculation of Adjusted Net Income, Adjusted Earnings Per Share, Adjusted EBITDA and building products net sales on a constant currency basis, may be different from the calculation used by other companies and, therefore, comparability may be limited. Reconciliations of these non-GAAP financial measures to the most comparable GAAP measures are presented in the tables set forth below.

Adjusted Earnings Per Share Reconciliation

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Adjusted Net Income Reconciliation

Adjusted EBITDA Reconciliations

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Constant Currency Reconciliations

Outlook

Based on current trends and as compared to our third quarter 2014 financial results, we expect our fourth quarter 2014 results to be influenced by the following:

•

In our chlorovinyls segment, we expect normal seasonal slowdowns domestically and globally to negatively impact industry operating rates and our sales mix. In addition, we have several planned outages in the fourth quarter that will lower our operating rates.

•

In our building products segment, we expect lower sales and Adjusted EBITDA due to the normal seasonal slowdown in North American construction activity.

•

In our aromatics segment, we see the low industry operating rates continuing for the fourth quarter.

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Based on what we observed in the market, we still believe ECU values have bottomed or are close to bottoming. The timing and impact of net new capacity additions by our competitors is difficult to predict. Over the next several years, however, we expect chlorine and caustic soda demand growth to offset capacity added in North America.

Longer term we believe we are well positioned to benefit from a number of macro-economic and industry trends. We expect that North America's natural gas cost advantage over oil-based economies in other parts of the world will continue to provide a competitive cost advantage to us. We expect this advantage to allow access to growing export markets for both chlorine, in the form of PVC, and caustic soda. In addition, we believe the improvement in the United States housing market, both in terms of starts and renovation activity, is in its early stages. We believe an improving housing market should drive building products volumes higher. We expect the combination of these macro-economic and industry trends to increase vinyl demand. In addition, we anticipate that our integration and the breadth of our product offering will position us to take advantage of these factors.

Forward-Looking Statements

This Quarterly Report on Form 10-Q contains certain statements relating to future events and our intentions, beliefs, expectations and predictions for the future. Any such statements other than statements of historical fact are forward-looking statements within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Words or phrases such as "anticipate," "believe," "plan," "estimate," "project," "may," "will," "intend," "target," "expect," "would" or "could" (including the negative variations thereof) or similar terminology used in connection with any discussion of future plans, actions or events generally identify forward-looking statements. These statements relate to, among other things, our outlook for future periods, supply and demand, pricing trends and market forces within the chemical and building industries, cost reduction strategies and their results, planned capital expenditures, long-term objectives of management, expected benefits of the Transactions, integration plans and expected synergies therefrom and other statements of expectations concerning matters that are not historical facts. These statements are based on the current expectations of our management. There are a number of risks and uncertainties that could cause our actual results to differ materially from the forward-looking statements included in this Quarterly Report on Form 10-Q. These risks and uncertainties include, among other things:

•

changes, seasonality and/or cyclicality in the industries in which our products are sold and changes in demand for our products or increases in overall industry capacity that could affect production volumes and/or pricing;

•

the costs and operating restrictions associated with compliance with current and future environmental, health and safety laws and regulations;

•

the availability and pricing of energy and raw materials;

•

risks, hazards and potential liabilities associated with manufacturing and transporting chemicals and building products, including, among others, explosions and fires, mechanical failures and unscheduled downtime;

•

changes in the general economy, including the impacts of the current, and any potential future, economic uncertainties in the housing and construction markets;

•

our level of indebtedness and debt service obligations and ability to continue to comply with the covenants in the ABL Credit Agreement, the Term Loan agreement and the indentures governing the 4.875 Notes and the 4.625 Notes;

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•

our reliance on a limited number of suppliers for specified feedstock and services and our reliance on third-party transportation;

•

risks, costs, liabilities, pension and postretirement welfare benefit obligations, unexpected delays and operating restrictions associated with integrating the Merged Business;

•

competition within our industry;

•

the integration of the Merged Business with the businesses we operated prior to the Transactions not being successful;

•

complications resulting from our multiple enterprise resource planning ("ERP") systems and the implementation of our new ERP systems;

•

strikes and work stoppages relating to the workforce under collective bargaining agreements;

•

any impairment of goodwill, indefinite-lived intangible assets or other intangible assets;

•

the failure to realize the benefits of, and/or disruptions resulting from, any asset dispositions, asset acquisitions, joint ventures, business combinations or other transactions, including the Transactions;

•

shared control of our joint ventures with unaffiliated third parties, including the ability of such joint venture partners to fulfill their obligations;

•

fluctuations in foreign currency exchange and interest rates;

•

the significant restrictions on our business operations set forth in the agreements governing the Transactions; and

•

the failure to adequately protect our data and technology systems.

In light of these risks, uncertainties, assumptions and other factors, the forward-looking statements discussed in this Quarterly Report on Form 10-Q may not occur. Other unknown or unpredictable factors could also have a material adverse effect on our actual future results, performance or achievements. For a further discussion of these and other risks and uncertainties applicable to us and our business, see the section of this Quarterly Report on Form 10-Q entitled "Risk Factors" and in our subsequent periodic filings with the SEC. As a result of the foregoing, readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this report. We do not undertake, and expressly disclaim, any duty to update any forward-looking statement whether as a result of new information, future events or changes in our expectations, except as required by law.

Critical Accounting Policies and Estimates

During the nine months ended September 30, 2014, we had no material changes to our critical accounting policies listed in Part II. Item 7. "Management's Discussion and Analysis of Financial Conditions and Results of Operations" in our 2013 Annual Report.

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Item 3.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

For a discussion of certain market risks related to Axiall, see Part II. Item 7A. "Quantitative and Qualitative Disclosures About Market Risk," in our 2013 Annual Report. There have been no material changes with respect to our exposure to market risks from those set forth in such report.

Item 4.    CONTROLS AND PROCEDURES.

Controls and Procedures.    We carried out an evaluation, under the supervision and with the participation of Axiall management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the Company's disclosure controls and procedures as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer have concluded that the Company's disclosure controls and procedures were effective as of September 30, 2014.

Changes in Internal Control.    There has been no change in our internal control over financial reporting identified in connection with the evaluation required by paragraph (d) of Rules 13a-15 or 15d-15 under the Securities Exchange Act of 1934 that occurred during the nine months ended September 30, 2014 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1. LEGAL PROCEEDINGS.

Legal Proceedings.    We are involved in a number of contingencies incidental to the normal conduct of our business including lawsuits, claims and environmental contingencies. The outcome of these contingencies is inherently unpredictable. We believe that, in the aggregate, the outcome of all known contingencies including lawsuits, claims and environmental contingencies will not have a material adverse effect on our financial statements; however, specific outcomes with respect to such contingencies may be material to the financial statements of any particular period in which costs, if any, are recognized. Our assessment of the potential impact of the environmental contingencies is subject to uncertainty due to the complex, ongoing and evolving process of investigation and remediation of such environmental contingencies, and the potential for technological and regulatory developments. In addition, the impact of evolving programs, such as natural resource damage claims, industrial site reuse initiatives and state remediation programs creates further uncertainty of the ultimate resolution of these environmental contingencies. We anticipate that the resolution of many contingencies, and in particular environmental contingencies, will occur over an extended period of time.

Environmental Matters.    It is our policy to accrue expenses for environmental contingencies when it is probable that a liability has been incurred and the amount of loss can be reasonably estimated. Reserves for environmental liabilities do not include any potential offsets related to claims against third parties.

Our operations and assets are subject to extensive environmental, health and safety regulations, including laws and regulations related to air emissions, water discharges, waste disposal and remediation of contaminated sites, at both the national and local levels in the United States. We are also subject to similar laws and regulations in Canada and other jurisdictions in which we operate. The nature of the chemical and building products industries exposes us to risks of liability under these laws and regulations due to the production, storage, use, transportation and sale of materials that can cause contamination or personal injury, including, in the case of chemicals, potential releases into the environment. Environmental laws may have a significant effect on the costs of use, transportation and storage of raw materials and finished products, as well as the costs of the storage and disposal of wastes. We have and will continue to incur substantial operating and capital costs to comply with environmental laws and regulations. In addition, we may incur substantial costs, including fines, damages, criminal or civil sanctions and remediation costs, or experience interruptions in our operations for violations arising under these laws and regulations.

As of September 30, 2014 and December 31, 2013, we had reserves for environmental contingencies totaling approximately $61 million and $64 million, respectively, of which approximately $10 million and $12 million, respectively were classified as a current liability. Our assessment of the potential impact of these environmental contingencies is subject to considerable uncertainty due to the complex, ongoing and evolving process of investigation and remediation, if necessary, of such environmental contingencies, and the potential for technological and regulatory developments.

Some of our significant environmental contingencies include the following matters:

•

We have entered into a Cooperative Agreement with the Louisiana Department of Environmental Quality ("LDEQ") and various other parties for the environmental remediation of a portion of the Bayou d'Inde area of the Calcasieu River Estuary in Lake Charles, Louisiana. Remedy implementation is expected to begin in the fourth quarter of 2014 and continue for a number of years thereafter with a period of monitoring for remedy effectiveness to follow remediation. As of

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September 30, 2014 and December 31, 2013, we have reserved approximately $24 million and $25 million, respectively, for the costs associated with this matter.

•

As of September 30, 2014 and December 31, 2013, we have reserved approximately $15 million for environmental contingencies related to on-site remediation at the Lake Charles, Louisiana facility that we acquired as part of the Merged Business (the "Lake Charles South Facility") principally for ongoing remediation of groundwater and soil in connection with our corrective action permit issued pursuant to the Hazardous and Solid Waste Amendments of the Resource Conservation and Recovery Act. The remedial activity is primarily the operation of a series of well water treatment systems across the Lake Charles South Facility. In addition, remediation of possible soil contamination will be conducted in certain areas. These remedial activities are expected to continue for an extended period of time.

•

As of September 30, 2014 and December 31, 2013, we have reserved approximately $14 million for environmental contingencies related to remediation activities at our Natrium, West Virginia facility. The remedial actions address National Pollutant Discharge Elimination System permit requirements related to hexachlorocyclohexane, which is commonly referred to as BHC. We expect that these remedial actions will be in place for an extended period of time.

Due to the nature of environmental laws, regulations and liabilities, it is possible that the reviews we conducted in connection with our evaluation of, and determination to enter into, the Transactions, may not have identified all potentially adverse conditions. Such conditions may not currently exist or be detectable through reasonable methods, or may not be able to be adequately valued. For example, our Natrium, West Virginia facility and Lake Charles South Facility have both been in operation for over 65 years. There may be significant latent liabilities or future claims arising from the operation of facilities of this age, and we may be required to incur material future remediation or other costs in connection with future actions or developments at these or other facilities.

We expect to be continually subjected to increasingly stringent environmental and health and safety laws and regulations, and that continued compliance will require increased capital expenditures and increased operating costs or may impose restrictions on our present or future operations. It is difficult to predict the future interpretation and development of these laws and regulations or their impact on our future earnings and operations. Any increase in these costs, or any material restrictions, could materially adversely affect our liquidity, financial condition and results of operations. However, estimated costs for future environmental compliance and remediation may be materially lower than actual costs, or we may not be able to quantify potential costs in advance. Actual costs related to any environmental compliance in excess of estimated costs could have a material adverse effect on our financial condition in one or more future periods.

Heightened interest in environmental regulation, such as climate change issues, has the potential to materially impact our costs and present and future operations. We, and other chemicals companies, are currently required to file certain governmental reports relating to greenhouse gas ("GHG") emissions. The U.S. Government has considered, and may in the future implement restrictions or other controls on GHG emissions which could require us to incur significant capital expenditures or further restrict our present or future operations.

In addition to GHG regulations, the United States Environmental Protection Agency (the "EPA") has recently taken certain actions to limit or control certain pollutants created by companies such as ours. For example:

•

In January 2013, the EPA issued Clean Air Act emission standards for boilers and incinerators (the "Boiler MACT regulations"), which are aimed at controlling emissions of toxic air contaminants. The regulations would require covered facilities to comply by January 2016. The coal fired power plant at

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our Natrium, West Virginia facility would likely be our source most significantly impacted by the Boiler MACT regulations. While we are continuing to review the Boiler MACT regulations' impact on our operations, we believe bringing our operations into compliance with the new regulations will require significant capital expenditures, which we currently estimate at approximately $30 million. In addition, coming into compliance could result in increased operating costs. Because our evaluation of this matter is ongoing, no assurance as to the ultimate impact of the Boiler MACT regulations on our operations or overall business can be provided.

•

In April 2012, the EPA issued final regulations to update emissions limits for polyvinyls chloride ("PVC") and copolymer production (the "PVC MACT regulation"). The PVC MACT regulation sets standards for major sources of PVC production and establishes certain working practices, as well as monitoring, reporting and record-keeping requirements. We would have until April 2015 to come into compliance. Following the issuance of the PVC MACT regulation, legal challenges were filed by the vinyl industry's trade organization, several vinyl manufacturers and several environmental groups, which will likely impact provisions of the PVC MACT regulation. Based on a preliminary evaluation of the PVC MACT regulation as it currently exists, as well as a number of assumptions concerning the equipment and process changes that would be necessary to comply with the PVC MACT regulation, we expect that the capital expenditures necessary to comply would be approximately $15 million. However, there could be significant changes from the currently existing PVC MACT regulation after all legal challenges have been exhausted, which could require us to incur capital expenditures, or increase our operating costs, to levels significantly higher than what we have previously estimated.

•

In March 2011, the EPA proposed amendments to the emission standards for hazardous air pollutants for mercury emissions from mercury cell chlor-alkali plants. These proposed amendments would require improvements in work practices to reduce fugitive mercury emissions and would result in reduced levels of mercury emissions while still allowing the mercury cell facilities to continue to operate. We operate a mercury cell production unit at our Natrium, West Virginia facility. No assurances as to the timing or content of the final regulation, or its ultimate cost to, or impact on us, can be provided.

The potential impact of these and/or unrelated future, legislative or regulatory actions on our current or future operations cannot be predicted at this time but could be significant. Such impacts could include the potential for significant compliance costs, including capital expenditures, could result in operating restrictions or could require us to incur significant legal or other costs related to compliance or other activities. Any increase in the costs related to these initiatives, or restrictions on our operations, could materially adversely affect our liquidity, financial condition or results of operations.

During September 2010, our Lake Charles North and Plaquemine, Louisiana facilities each received a Consolidated Compliance Order and Notice of Potential Penalty, alleging violations of various requirements of those facilities' air permits, based largely on self-reported permit deviations related to record-keeping violations. The company has been negotiating a possible settlement of these matters with LDEQ. Based upon a communication from LDEQ in September 2014, the company now believes this matter may require the payment of a monetary sanction in excess of $100,000.

Environmental Remediation: Reasonably Possible Matters.    Our assessment of the potential impact of environmental contingencies is subject to considerable uncertainty due to the complex, ongoing and evolving process of investigation and remediation, if necessary, of such environmental contingencies, and the potential for technological and regulatory developments. As such, in addition to the amounts currently reserved, we may be subject to reasonably possible loss contingencies related to environmental matters in the range of $60 million to $100 million. Initial remedial actions are occurring with respect to these matters at two plant sites: the Lake Charles South Facility and the Natrium Facility.

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We monitor our estimate for reasonably possible environmental losses on a quarterly basis to determine if any of the reasonably possible loss items have become probable and estimable during the current quarter. It is our policy to accrue expenses for environmental contingencies when management believes the amount of losses are probable and estimable. In addition, when environmental items that were previously reasonably possible become probable and estimable and, therefore, recorded in our condensed consolidated balance sheets and statements of operations, we adjust our environmental reasonably possible exposure range accordingly.

Item 1A. RISK FACTORS.

There have been no material changes to the information set forth in Part I. Item 1A. "Risk Factors" in our 2013 Annual Report.

Item 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS.

The table below sets forth information regarding repurchases by the Company of shares of its common stock on a monthly basis during the three months ended September 30, 2014:

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^(a) The Company did not repurchase any of its equity securities during the period covered by this report pursuant to any publicly announced plan or program, and no such plan or program is presently in effect. All purchases reflected in the table above reflect purchases of common stock by the Company in connection with tax withholding obligations of the Company's employees upon vesting of such employees' restricted stock awards.

Item 4. MINE SAFETY DISCLOSURES.

Not applicable.

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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.

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