10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

Form 10-Q

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2012

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from             to            

Commission file number 1-7677

LSB Industries, Inc.

Exact name of Registrant as specified in its charter

Delaware	73-1015226
State or other jurisdiction of incorporation or organization	I.R.S. Employer Identification No.
16 South Pennsylvania Avenue, Oklahoma City, Oklahoma	73107
Address of principal executive offices	Zip Code

(405) 235-4546

Registrant’s telephone number, including area code

None

Former name, former address and former fiscal year, if changed since last report.

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

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 during the preceding 12 months (or for such shorter period that the Registrant was required to submit and post such files).    x  Yes    ¨  No

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

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

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Act).    ¨  Yes    x  No

The number of shares outstanding of the Registrant’s voting common stock, as of April 30, 2012 was 22,339,068 shares, excluding 4,320,462 shares held as treasury stock.

FORM 10-Q OF LSB INDUSTRIES, INC.

TABLE OF CONTENTS

	PART I – Financial Information	Page
Item 1.	Financial Statements		3
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		29
Item 3.	Quantitative and Qualitative Disclosures About Market Risk		44
Item 4.	Controls and Procedures		45
	Special Note Regarding Forward-Looking Statements		46
	PART II – Other Information
Item 1.	Legal Proceedings		48
Item 1A.	Risk Factors		49
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds		49
Item 3.	Defaults Upon Senior Securities		50
Item 4.	Mine Safety Disclosures		50
Item 5.	Other Information		50
Item 6.	Exhibits		50

2

PART I

FINANCIAL INFORMATION

Item 1. Financial Statements

LSB INDUSTRIES, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Information at March 31, 2012 is unaudited)

	March 31, 2012		December 31, 2011
	(In Thousands)
Assets
Current assets:
Cash and cash equivalents	$	113,342	$	124,929
Restricted cash		31		31
Short-term investments		10,005		10,005
Accounts receivable, net		87,524		87,351
Inventories:
Finished goods		34,070		29,009
Work in process		4,000		4,855
Raw materials		30,554		25,642
Total inventories		68,624		59,506
Supplies, prepaid items and other:
Prepaid insurance		4,290		5,953
Precious metals		16,085		17,777
Supplies		8,734		7,513
Fair value of derivatives and other		195		53
Prepaid income taxes		6,948		8,679
Other		3,003		2,034
Total supplies, prepaid items and other		39,255		42,009
Deferred income taxes		3,758		4,275
Total current assets		322,539		328,106
Property, plant and equipment, net		171,874		164,547
Other assets:
Investment in affiliate		2,652		2,910
Goodwill		1,724		1,724
Other, net		6,205		4,722
Total other assets		10,581		9,356
	$	504,994	$	502,009

(Continued on following page)

3

LSB INDUSTRIES, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS (continued)

(Information at March 31, 2012 is unaudited)

	March 31, 2012		December 31, 2011
	(In Thousands)
Liabilities and Stockholders’ Equity
Current liabilities:
Accounts payable	$	48,798	$	57,891
Short-term financing		3,962		5,646
Accrued and other liabilities		30,022		28,677
Current portion of long-term debt		4,773		4,935
Total current liabilities		87,555		97,149
Long-term debt		71,248		74,525
Noncurrent accrued and other liabilities		15,492		15,239
Deferred income taxes		22,646		21,826
Commitments and contingencies (Note 8)
Stockholders’ equity:
Series B 12% cumulative, convertible preferred stock, $100 par value; 20,000 shares issued and outstanding		2,000		2,000
Series D 6% cumulative, convertible Class C preferred stock, no par value; 1,000,000 shares issued and outstanding		1,000		1,000
Common stock, $.10 par value; 75,000,000 shares authorized, 26,659,530 shares issued (26,638,285 shares at December 31, 2011)		2,666		2,664
Capital in excess of par value		162,870		162,092
Retained earnings		167,891		153,888
		336,427		321,644
Less treasury stock, at cost:
Common stock, 4,320,462 shares		28,374		28,374
Total stockholders’ equity		308,053		293,270
	$	504,994	$	502,009

See accompanying notes.

4

LSB INDUSTRIES, INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(Unaudited)

Three Months Ended March 31, 2012 and 2011

	2012			2011
	(In Thousands, Except Per Share Amounts)
Net sales	$	190,245		$	177,493
Cost of sales		145,801			123,639
Gross profit		44,444			53,854
Selling, general and administrative expense		21,391			20,585
Provisions for losses on accounts receivable		40			42
Other expense		167			62
Other income		(236	)		(872	)
Operating income		23,082			34,037
Interest expense		1,132			1,712
Non-operating other income, net		(5	)		(7	)
Income from continuing operations before provisions for income taxes and equity in earnings of affiliate		21,955			32,332
Provisions for income taxes		7,802			11,657
Equity in earnings of affiliate		(171	)		(285	)
Income from continuing operations		14,324			20,960
Net loss from discontinued operations		21			57
Net income		14,303			20,903
Dividends on preferred stocks		300			305
Net income applicable to common stock	$	14,003		$	20,598
Weighted-average common shares:
Basic		22,324			21,180
Diluted		23,524			23,444
Income per common share:
Basic	$	.63		$	.97
Diluted	$	.61		$	.90

See accompanying notes.

5

LSB INDUSTRIES, INC.

CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY

(Unaudited)

Three Months Ended March 31, 2012

	Common Stock Shares		Non- Redeemable Preferred Stock		Common Stock Par Value		Capital in Excess of Par Value		Retained Earnings			Treasury Stock- Common			Total
	(In Thousands)
Balance at December 31, 2011		26,638	$	3,000	$	2,664	$	162,092	$	153,888		$	(28,374	)	$	293,270
Net income										14,303						14,303
Dividends paid on preferred stocks										(300	)					(300	)
Stock-based compensation								415								415
Exercise of stock options		19				2		171								173
Excess income tax benefit associated with stock-based compensation								186								186
Conversion of redeemable preferred stock to common stock		3						6								6
Balance at March 31, 2012		26,660	$	3,000	$	2,666	$	162,870	$	167,891		$	(28,374	)	$	308,053

See accompanying notes.

6

LSB INDUSTRIES, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

Three Months Ended March 31, 2012 and 2011

	2012			2011
	(In Thousands)
Cash flows from continuing operating activities
Net income	$	14,303		$	20,903
Adjustments to reconcile net income to net cash provided by continuing operating activities:
Net loss from discontinued operations		21			57
Deferred income taxes		1,337			(37	)
Expense associated with modification of secured term loan		—			387
Expense associated with induced conversion of 5.5% convertible debentures		—			558
Loss (gain) on sales and disposals of property and equipment		15			(19	)
Depreciation of property, plant and equipment		5,018			4,592
Amortization		87			153
Stock-based compensation		415			254
Provisions for losses on accounts receivable		40			42
Provision for (realization of) losses on inventory		5			(15	)
Provision for losses on firm sales commitments		2,984			—
Equity in earnings of affiliate		(171	)		(285	)
Distributions received from affiliate		429			400
Changes in fair value of commodities contracts		(142	)		82
Changes in fair value of interest rate contracts		(270	)		(52	)
Cash provided (used) by changes in assets and liabilities:
(net of effect of discontinued operations)
Accounts receivable		(215	)		(1,871	)
Inventories		(9,123	)		(10,649	)
Prepaid and accrued income taxes		1,686			2,300
Other supplies, prepaid items and other		1,174			(2,747	)
Accounts payable		(5,628	)		(4,488	)
Accrued payroll and benefits		(1,122	)		2,301
Commodities contracts		—			501
Customer deposits		474			3,588
Other current and noncurrent liabilities		(202	)		382
Net cash provided by continuing operating activities		11,115			16,337
Cash flows from continuing investing activities
Capital expenditures		(15,632	)		(4,579	)
Proceeds from sales of property and equipment		266			19
Proceeds from short-term investments		4			10,012
Purchase of short-term investments		(4	)		(9	)
Proceeds from sales of carbon credits		—			673
Payments on contractual obligations – carbon credits		(180	)		(673	)
Other assets		(99	)		(86	)
Net cash provided (used) by continuing investing activities		(15,645	)		5,357

(Continued on following page)

7

LSB INDUSTRIES, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (continued)

(Unaudited)

Three Months Ended March 31, 2012 and 2011

	2012			2011
	(In Thousands)
Cash flows from continuing financing activities
Proceeds from revolving debt facility	$	161,506		$	156,715
Payments on revolving debt facility		(161,506	)		(156,715	)
Proceeds from modification of secured term loan, net of fees		—			10,347
Payments on other long-term debt		(3,439	)		(541	)
Payments on loans secured by cash value of life insurance policies		(1,918	)		—
Payments of debt issuance costs		—			(108	)
Payments on short-term financing		(1,684	)		(1,139	)
Proceeds from exercises of stock options		173			513
Excess income tax benefit associated with stock-based compensation		186			703
Acquisition of redeemable preferred stock		(39	)		—
Dividends paid on preferred stocks		(300	)		(305	)
Net cash provided (used) by continuing financing activities		(7,021	)		9,470
Cash flows of discontinued operations:
Operating cash flows		(36	)		(65	)
Net increase (decrease) in cash and cash equivalents		(11,587	)		31,099
Cash and cash equivalents at beginning of period		124,929			66,946
Cash and cash equivalents at end of period	$	113,342		$	98,045
Supplemental cash flow information:
Cash payments for income taxes, net of refunds	$	4,581		$	8,654
Noncash investing and financing activities:
Other assets and accounts payable associated with additions of property, plant and equipment	$	3,208		$	2,507
Debt issuance costs incurred associated with secured term loan	$	—		$	601
Debt issuance costs written off associated with 5.5% debentures	$	—		$	328
Accounts payable associated with 5.5% debentures	$	—		$	558
Accrued liabilities extinguished associated with 5.5% debentures	$	—		$	336
5.5% debentures converted to common stock	$	—		$	24,400

See accompanying notes.

8

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 1: Summary of Significant Accounting Policies

For a complete discussion of our significant accounting policies, refer to the notes to our audited consolidated financial statements included in our Form 10-K for the year ended December 31, 2011 (“2011 Form 10-K”), filed with the Securities and Exchange Commission (“SEC”) on February 28, 2012.

Basis of Consolidation and Presentation - LSB Industries, Inc. (“LSB”) and its subsidiaries (the “Company”, “We”, “Us”, or “Our”) are consolidated in the accompanying condensed consolidated financial statements. We are primarily engaged in the manufacture and sale of geothermal and water source heat pumps and air handling products (the “Climate Control Business”) and the manufacture and sale of chemical products (the “Chemical Business”). LSB is a holding company with no significant operations or assets other than cash, cash equivalents, and investments in its subsidiaries. Entities that are 20% to 50% owned and for which we have significant influence are accounted for on the equity method. All material intercompany accounts and transactions have been eliminated.

In the opinion of management, the unaudited condensed consolidated financial statements of the Company as of March 31, 2012 and for the three month periods ended March 31, 2012 and 2011 include all adjustments and accruals, consisting of normal, recurring accrual adjustments which are necessary for a fair presentation of the results for the interim periods. These interim results are not necessarily indicative of results for a full year due, in part, to the seasonality of our sales of agricultural products and the timing of performing our major plant maintenance activities. Our selling seasons for agricultural products are primarily during the spring and fall planting seasons, which typically extend from March through June and from September through November.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with United States (“U.S.”) generally accepted accounting principles (“GAAP”) have been condensed or omitted in this Form 10-Q pursuant to the rules and regulations of the SEC. These condensed consolidated financial statements should be read in connection with our audited consolidated financial statements and notes thereto included in our 2011 Form 10-K.

Use of Estimates - The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Income per Common Share - Net income applicable to common stock is computed by adjusting net income by the amount of preferred stock dividends and dividend requirements, if applicable. Basic income per common share is based upon net income applicable to common stock and the weighted-average number of common shares outstanding during each year. Diluted income per share is based on net income applicable to common stock plus preferred stock dividends and dividend requirements on preferred stock assumed to be converted, if dilutive, and interest expense including amortization of debt issuance cost, net of income taxes, on convertible debt assumed to be converted, if dilutive, and the weighted-average number of common shares and dilutive common equivalent shares outstanding, and the assumed conversion of dilutive convertible securities outstanding.

Short-Term Investments - Investments, which consisted of certificates of deposit with an original maturity of 13 weeks, are considered short-term investments. These investments are carried at cost which approximates fair value. All of these investments were held by financial institutions within the U.S. and none of these investments were in excess of the federally insured limits.

Accounts Receivable - Our accounts receivable are stated at net realizable value. This value includes an appropriate allowance for estimated uncollectible accounts to reflect any loss anticipated on accounts receivable balances. Our estimate is based on historical experience and periodic assessment of outstanding accounts receivable, particularly those accounts which are past due (based upon the terms of the sale). Our periodic assessment of our accounts receivable is based on our best estimate of amounts that are not recoverable.

Inventories - Inventories are stated at the lower of cost (determined using the first-in, first-out (“FIFO”) basis) or market (net realizable value). Finished goods and work-in-process inventories include material, labor, and manufacturing overhead costs. Additionally, we review inventories and record inventory reserves for slow-moving inventory items.

9

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 1: Summary of Significant Accounting Policies (continued)

Precious Metals - Precious metals are used as a catalyst in the Chemical Business manufacturing process. Precious metals are carried at cost, with cost being determined using the FIFO basis. Because some of the catalyst consumed in the production process cannot be readily recovered and the amount and timing of recoveries are not predictable, we follow the practice of expensing precious metals as they are consumed. Occasionally, during major maintenance or capital projects, we may be able to perform procedures to recover precious metals (previously expensed) which have accumulated over time within the manufacturing equipment. Recoveries of precious metals are recognized at historical FIFO costs. When we accumulate precious metals in excess of our production requirements, we may sell a portion of the excess metals.

Product Warranty - Our Climate Control Business sells equipment that has an expected life, under normal circumstances and use, which extends over several years. As such, we provide warranties after equipment shipment/start up covering defects in materials and workmanship.

Our accounting policy and methodology for warranty arrangements is to measure and recognize the expense and liability for such warranty obligations at the time of sale using a percentage of sales and cost per unit of equipment, based upon our historical and estimated future warranty costs. We also recognize the additional warranty expense and liability to cover atypical costs associated with a specific product, or component thereof, or project installation, when such costs are probable and reasonably estimable. It is reasonably possible that our estimated accrued warranty costs could change in the near term.

Contingencies - Certain conditions may exist which may result in a loss, but which will only be resolved when future events occur. We and our legal counsel assess such contingent liabilities, and such assessment inherently involves an exercise of judgment. If the assessment of a contingency indicates that it is probable that a loss has been incurred, we would accrue for such contingent losses when such losses can be reasonably estimated. If the assessment indicates that a potentially material loss contingency is not probable but reasonably possible, or is probable but cannot be estimated, the nature of the contingent liability, together with an estimate of the range of possible loss if determinable and material, would be disclosed. Estimates of potential legal fees and other directly related costs associated with contingencies are not accrued but rather are expensed as incurred. Loss contingency liabilities are included in current and noncurrent accrued and other liabilities and are based on current estimates that may be revised in the near term. In addition, we recognize contingent gains when such gains are realized or realizable and earned.

Derivatives, Hedges, Financial Instruments and Carbon Credits - Derivatives are recognized in the balance sheet and are measured at fair value. Changes in fair value of derivatives are recorded in results of operations unless the normal purchase or sale exceptions apply or hedge accounting is elected.

Climate reserve tonnes (“carbon credits”) are recognized in the balance sheet and are measured at fair value. Changes in fair value of carbon credits are recorded in results of operations. Contractual obligations associated with carbon credits are recognized in the balance sheet and are measured at fair value unless we enter into a firm sales commitment to sell the associated carbon credits. When we enter into a firm sales commitment, the sales price, pursuant to the terms of the firm sales commitment, establishes the amount of the associated contractual obligation. Changes in fair value of contractual obligations associated with carbon credits are recorded in results of operations.

Income Taxes - We do not recognize a tax benefit unless we conclude that it is more-likely-than-not that the benefit will be sustained on audit by the taxing authority based solely on the technical merits of the associated tax position. If the recognition threshold is met, we recognize a tax benefit measured at the largest amount of the tax benefit that, in our judgment, is greater than 50% likely to be realized. We also record interest related to unrecognized tax positions in interest expense and penalties in operating other expense.

Income tax benefits associated with amounts that are deductible for income tax purposes but that do not affect earnings are credited to equity. These benefits are principally generated from exercises of non-qualified stock options.

10

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 1: Summary of Significant Accounting Policies (continued)

Recognition of Insurance Recoveries - If an insurance claim relates to a recovery of our losses, we recognize the recovery when it is probable and reasonably estimable. If our insurance claim relates to a contingent gain, we recognize the recovery when it is realized or realizable and earned. Amounts recoverable from our insurance carriers, if any, are included in accounts receivable.

Recently Issued Accounting Pronouncements - In 2011, the Financial Accounting Standards Board (“FASB”) issued an accounting standards update (“ASU”) clarifying how to measure and disclose fair value. The requirements under this ASU became effective for us on January 1, 2012 and were applied prospectively. See Note 9 - Derivatives, Hedges, Financial Instruments and Carbon Credits.

In 2011, the FASB issued ASUs amending comprehensive income guidance, which eliminate the option to present the components of other comprehensive income as part of the statement of stockholders’ equity. Instead, we must report comprehensive income, if any, in either a single continuous statement of comprehensive income which contains two sections, net income and other comprehensive income, or in two separate but consecutive statements. The requirements under these ASUs became effective for us on January 1, 2012; however, because we did not have any items of other comprehensive income to report for the periods presented, the adoption of these ASUs did not impact the accompanying condensed financial statements.

In 2011, the FASB issued an ASU requiring additional disclosures about an entity’s offsetting (netting) of certain assets and liabilities for the purpose of improving the transparency of financial reporting. Entities are required to disclose both gross information and net information about both instruments and transactions eligible for offset in the balance sheet and instruments and transactions subject to an agreement similar to a master netting arrangement. The new disclosure requirements become effective for us on January 1, 2013. The disclosure requirements are to be applied retrospectively.

11

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 2: Income Per Common Share

The following table sets forth the computation of basic and diluted net income per common share:

(Dollars In Thousands, Except Per Share Amounts)

	Three Months Ended March 31,
	2012			2011
Numerator:
Net income	$	14,303		$	20,903
Dividends on Series B Preferred		(240	)		(240	)
Dividends on Series D Preferred		(60	)		(60	)
Dividends on Noncumulative Preferred		—			(5	)
Total dividends on preferred stocks		(300	)		(305	)
Numerator for basic net income per common share - net income applicable to common stock		14,003			20,598
Dividends on preferred stocks assumed to be converted, if dilutive		300			305
Interest expense including amortization of debt issuance costs, net of income taxes, on convertible debt assumed to be converted, if dilutive		—			265
Numerator for diluted net income per common share	$	14,303		$	21,168
Denominator:
Denominator for basic net income per common share - weighted-average shares		22,323,780			21,179,800
Effect of dilutive securities:
Convertible preferred stocks		918,026			935,626
Stock options		281,714			355,681
Convertible notes payable		—			973,292
Dilutive potential common shares		1,199,740			2,264,599
Denominator for diluted net income per common share - adjusted weighted-average shares and assumed conversions		23,523,520			23,444,399
Basic net income per common share	$	.63		$	.97
Diluted net income per common share	$	.61		$	.90

The following weighted-average shares of securities were not included in the computation of diluted net income per common share as their effect would have been antidilutive:

	Three Months Ended March 31,
	2012		2011
Stock options		254,000		2,889

12

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 3: Accounts Receivable, net Our accounts receivables, net, consists of the following:

	March 31, 2012			December 31, 2011
	(In Thousands)
Trade receivables	$	87,475		$	87,303
Other		965			1,003
		88,440			88,306
Allowance for doubtful accounts		(916	)		(955	)
	$	87,524		$	87,351

Note 4: Inventories At March 31, 2012 and December 31, 2011, inventory reserves for certain slow-moving inventory items (Climate Control products) were $1,705,000 and $1,767,000, respectively. In addition, because cost exceeded the net realizable value, inventory reserves for certain nitrogen-based inventories provided by our Chemical Business were $16,000 at December 31, 2011 (none at March 31, 2012).

Changes in our inventory reserves are as follows:

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Balance at beginning of period	$	1,783		$	1,793
Provision for (realization of) losses		5			(15	)
Write-offs and disposals		(83	)		(3	)
Balance at end of period	$	1,705		$	1,775

The provision for (realization of) losses is included in cost of sales in the accompanying condensed consolidated statements of income.

Note 5: Current and Noncurrent Accrued and Other Liabilities Our current and noncurrent accrued and other liabilities consist of the following:

	March 31, 2012		December 31, 2011
	(In Thousands)
Deferred revenue on extended warranty contracts	$	6,636	$	6,461
Accrued payroll and benefits		6,145		7,267
Accrued warranty costs		5,616		5,370
Customer deposits		4,979		4,505
Accrued death benefits		4,007		4,017
Accrued losses on firm sales commitments		2,984		—
Accrued group health and workers’ compensation insurance claims		2,452		2,535
Fair value of derivatives and other		2,013		2,283
Accrued contractual profit-sharing obligation		1,520		1,478
Accrued contractual manufacturing obligations		1,464		1,613
Accrued executive benefits		1,299		1,262
Accrued commissions		1,253		1,016
Other		5,146		6,109
		45,514		43,916
Less noncurrent portion		15,492		15,239
Current portion of accrued and other liabilities	$	30,022	$	28,677

13

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 6: Accrued Warranty Costs Our Climate Control Business sells equipment that has an expected life, under normal circumstances and use, which extends over several years. As such, we provide warranties after equipment shipment/start up covering defects in materials and workmanship. Generally for commercial/institutional products, the base warranty coverage for most of the manufactured equipment in the Climate Control Business is limited to eighteen months from the date of shipment or twelve months from the date of start up, whichever is shorter, and to ninety days for spare parts. For residential products, the base warranty coverage for manufactured equipment in the Climate Control Business is limited to ten years from the date of shipment for material and to five years from the date of shipment for labor associated with the repair. The warranty provides that most equipment is required to be returned to the factory or an authorized representative and the warranty is limited to the repair and replacement of the defective product, with a maximum warranty of the refund of the purchase price. Furthermore, companies within the Climate Control Business generally disclaim and exclude warranties related to merchantability or fitness for any particular purpose and disclaim and exclude any liability for consequential or incidental damages. In some cases, the customer may purchase or a specific product may be sold with an extended warranty. The above discussion is generally applicable to such extended warranties, but variations do occur depending upon specific contractual obligations, certain system components, and local laws.

Changes in our product warranty obligation (accrued warranty costs) are as follows:

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Balance at beginning of period	$	5,370		$	3,996
Amounts charged to costs and expenses		1,568			1,627
Costs incurred		(1,322	)		(1,339	)
Balance at end of period	$	5,616		$	4,284

Note 7: Long-Term Debt Our long-term debt consists of the following:

	March 31,		December 31,
	2012		2011
	(In Thousands)
Working Capital Revolver Loan due 2012 (A)	$	—	$	—
Secured Term Loan (B)		71,250		72,188
Other, with a current weighted-average interest rate of 6.83%, most of which is secured by machinery, equipment and real estate		4,771		7,272
		76,021		79,460
Less current portion of long-term debt		4,773		4,935
Long-term debt due after one year	$	71,248	$	74,525

(A) Our wholly-owned subsidiary, ThermaClime, LLC (“ThermaClime”) and its subsidiaries (collectively, the “Borrowers”) are parties to a $50 million revolving credit facility (the “Working Capital Revolver Loan”) that provides for advances based on specified percentages of eligible accounts receivable and inventories for ThermaClime and its subsidiaries. See Note 14 – Subsequent Events for discussion concerning an amendment to this credit facility.

As of March 31, 2012, the Working Capital Revolver Loan required ThermaClime to meet certain financial covenants, including an EBITDA requirement of greater than $25 million; a minimum fixed charge coverage ratio of not less than 1.10 to 1; and a maximum senior leverage coverage ratio of not greater than 4.50 to 1. These requirements were measured quarterly on a trailing twelve-month basis and as defined in the agreement. ThermaClime was in compliance with those covenants for the twelve-month period ended March 31, 2012. The Working Capital Revolver Loan also required all collections on accounts receivable be made through a bank account in the name of the lender or their agent.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 7: Long-Term Debt (continued)

(B) On March 29, 2011, ThermaClime and certain of its subsidiaries entered into an amended and restated term loan agreement (the “Amended Agreement”), which amended ThermaClime’s existing term loan agreement (the “Original Agreement”). Pursuant to the terms of the Amended Agreement, the maximum principal amount of ThermaClime’s term loan facility (the “Secured Term Loan”) was increased from $50 million to $60 million. On May 26, 2011, the principal amount of the Secured Term Loan was increased an additional $15 million to $75 million pursuant to the terms of the Amended Agreement. The Amended Agreement also extended the maturity of the Secured Term Loan from November 2, 2012, to March 29, 2016. For financial reporting purposes, this transaction was considered a non-substantial modification of the Original Agreement.

The Secured Term Loan requires quarterly principal payments of approximately $0.9 million, plus interest and a final balloon payment of $56.3 million due on March 29, 2016. The stated interest rate on the Secured Term Loan includes a variable interest rate (based on three-month LIBOR plus 300 basis points, which rate is adjusted quarterly) and a fixed interest rate as detailed below:

	March 31, 2012
	Stated Interest Rate			Principal Balance
	(Dollars In Thousands)
Variable interest rate		3.47	%	$	47,500
Fixed interest rate		5.15	%		23,750
Weighted-average interest rate		4.03	%	$	71,250

The Secured Term Loan is secured by the real property and equipment located at our chemical production facilities located in El Dorado, Arkansas (the “El Dorado Facility”) and in Cherokee, Alabama (the “Cherokee Facility”). The carrying value of the pledged assets is approximately $73 million at March 31, 2012. In addition, the Secured Term Loan is guaranteed by LSB.

The Secured Term Loan borrowers are subject to numerous covenants under the Amended Agreement including, but not limited to, limitation on the incurrence of certain additional indebtedness and liens; limitations on mergers, acquisitions, dissolution and sale of assets; and limitations on declaration of dividends and distributions to LSB, all with certain exceptions. At March 31, 2012, the carrying value of the restricted net assets (including pledged assets) of ThermaClime and its subsidiaries was approximately $80 million. As defined in the agreement, the Secured Term Loan borrowers are also subject to a minimum fixed charge coverage ratio of not less than 1.10 to 1 and a maximum leverage ratio of not greater than 4.50 to 1. Both of these requirements are measured quarterly on a trailing twelve-month basis. The Secured Term Loan borrowers were in compliance with these financial covenants for the twelve-month period ended March 31, 2012.

The maturity date of the Secured Term Loan can be accelerated by the lender upon the occurrence of a continuing event of default, as defined.

The Working Capital Revolver Loan agreement (discussed in (A) above) and the Secured Term Loan contain cross-default provisions. If ThermaClime fails to meet the financial covenants of either of these agreements, the lenders may declare an event of default.

A prepayment premium equal to 1.0% of the principal amount prepaid is due to the lenders should the borrowers elect to prepay on or prior to March 29, 2014, however, this premium is eliminated thereafter.

March 2011 Transaction

On March 31, 2011, one of the holders of the 5.5% debentures (“2007 Debentures”) converted $24.4 million principal amount of the 2007 Debentures into 888,160 shares of LSB common stock. For financial reporting purposes, this transaction was considered an induced conversion.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 8: Commitments and Contingencies

Purchase and Sales Commitments - The following significant commitments include contracts entered into during the three months ended March 31, 2012:

Certain subsidiaries within the Chemical Business entered into contracts to purchase natural gas for anticipated production needs at the Cherokee Facility and our chemical production facility located in Pryor, Oklahoma (the “Pryor Facility”). Since these contracts are considered normal purchases because they provide for the purchase of natural gas that will be delivered in quantities expected to be used over a reasonable period of time in the normal course of business and are documented as such, these contracts are exempt from the accounting and reporting requirements relating to derivatives. At March 31, 2012, our purchase commitments under these contracts were for approximately 1.5 million MMBtu of natural gas through October 2012 at the weighted-average cost of $3.38 per MMBtu ($5.2 million) and a weighted-average market value of $2.27 per MMBtu ($3.5 million). See Note 9 - Derivatives, Hedges, Financial Instruments and Carbon Credits for our commitments relating to derivative contracts and carbon credits at March 31, 2012.

At March 31, 2012, we had $3.0 million of embedded losses associated with sales commitments with firm sales prices in our Chemical Business relating to our expected inability to produce the necessary amount of product at the Pryor Facility as the result of the unplanned downtime discussed in Note 12-Segment Information.

Legal Matters - Following is a summary of certain legal matters involving the Company.

A. Environmental Matters

Our operations are subject to numerous environmental laws (“Environmental Laws”) and to other federal, state and local laws regarding health and safety matters (“Health Laws”). In particular, the manufacture and distribution of chemical products are activities which entail environmental risks and impose obligations under the Environmental Laws and the Health Laws, many of which provide for certain performance obligations, substantial fines and criminal sanctions for violations. There can be no assurance that we will not incur material costs or liabilities in complying with such laws or in paying fines or penalties for violation of such laws. The Environmental Laws and Health Laws and enforcement policies thereunder relating to our Chemical Business have in the past resulted, and could in the future result, in compliance expenses, cleanup costs, penalties or other liabilities relating to the handling, manufacture, use, emission, discharge or disposal of effluents at or from our facilities or the use or disposal of certain of its chemical products. Historically, significant expenditures have been incurred by subsidiaries within our Chemical Business in order to comply with the Environmental Laws and Health Laws and are reasonably expected to be incurred in the future.

We will recognize a liability for the fair value of a conditional asset retirement obligation if the fair value of the liability can be reasonably estimated. We are obligated to monitor certain discharge water outlets at our Chemical Business facilities should we discontinue the operations of a facility. We are also contractually obligated through at least December 2053 to pay a portion of the operating costs of a municipally owned wastewater pipeline currently being constructed, which will serve the El Dorado Facility. Additionally, we have certain facilities in our Chemical Business that contain asbestos insulation around certain piping and heated surfaces, which we plan to maintain or replace, as needed, with non-asbestos insulation through our standard repair and maintenance activities to prevent deterioration. Currently, there is insufficient information to estimate the fair value for most of our asset retirement obligations. In addition, we currently have no plans to discontinue the use of these facilities and the remaining life of the facilities is indeterminable. As a result, a liability for only a minimal amount relating to asset retirement obligations has been established at March 31, 2012. However, we will continue to review these obligations and record a liability when a reasonable estimate of the fair value can be made.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 8: Commitments and Contingencies (continued)

1. Discharge Water Matters

The El Dorado Facility owned by our subsidiary, El Dorado Chemical Company (“EDC”), generates process wastewater, which includes cooling tower and boiler water quality control streams, contact storm water (rain water inside the facility area which picks up contaminants) and miscellaneous spills and leaks from process equipment. The process water discharge, storm-water runoff and miscellaneous spills and leaks are governed by a state National Pollutant Discharge Elimination System (“NPDES”) discharge water permit issued by the Arkansas Department of Environmental Quality (“ADEQ”), which permit is generally required to be renewed every five years. The El Dorado Facility is currently operating under a NPDES discharge water permit, which became effective in 2004 (“2004 NPDES permit”). In November 2010, a preliminary draft of a discharge water permit renewal, which contains more restrictive ammonia limits, was issued by the ADEQ for EDC’s review. EDC submitted comments to the ADEQ on the draft permit in December 2010.

The El Dorado Facility has generally demonstrated its ability to comply with applicable ammonia and nitrate permit limits, but has, from time to time, had difficulty demonstrating consistent compliance with the more restrictive dissolved minerals permit levels. As part of the El Dorado Facility’s long-term compliance plan, EDC has pursued a rulemaking and permit modification with the ADEQ. The ADEQ approved a rule change, but on August 31, 2011, the United States Environmental Protection Agency (“EPA”) formally disapproved the rule change. On October 7, 2011, EDC filed a lawsuit against the EPA in the United States District Court, El Dorado, Arkansas, appealing the EPA’s decision disapproving the rule change. We do not believe this matter regarding the dissolved minerals will be an issue once the pipeline discussed below is operational.

In a separate matter, during January 2010, EDC received an Administrative Order from the EPA noting certain violations of the 2004 NPDES permit and requesting EDC to demonstrate compliance with the permit or provide a plan and schedule for returning to compliance. EDC provided a response which states that the El Dorado Facility is in compliance with the permit, except for an occasional difficulty demonstrating consistent compliance with the more restrictive dissolved minerals permit limits; that the El Dorado Facility expects to be able to maintain compliance, except for the occasional difficulty demonstrating consistent compliance with the more restrictive dissolved mineral permit limits, and that a majority of the alleged violations were resolved through a consent administrative order with the ADEQ. At this time, we do not believe that the occasional noncompliance with the dissolved minerals permit limits will have a material adverse impact on EDC. In June 2011, EDC received an Administrative Complaint from the EPA reciting past violations of the 2004 NPDES permit that had not been addressed by previous ADEQ Consent Administrative Orders and seeking a penalty of $124,000 for alleged violations through December 31, 2010. In December 2011, EDC was notified by the EPA that the matter has been taken over by the United States Department of Justice (“DOJ”), the current Administrative Complaint will be withdrawn, and the EPA and DOJ will handle this as a joint enforcement matter. During the first quarter of 2012, this matter was settled by which EDC will pay $100,000 to settle the alleged violations occurring on or prior to December 31, 2010. The EPA has indicated that any violation that occurred after December 31, 2010, will be addressed at a later date. A liability of $124,000 has been established at March 31, 2012 relating to this matter, which includes the $100,000 discussed above.

The City of El Dorado, Arkansas (the “City”) received approval to construct a pipeline for disposal of wastewater generated by the City and by certain companies in the El Dorado area. However, in November 2011, opponents of the pipeline filed a lawsuit against the City and the pipeline consultants for alleged violations of the Freedom of Information Act. We do not believe that this lawsuit will affect the City’s approval, or the City’s construction, of the pipeline. The companies intending to use the pipeline will contribute to the cost of construction and operation of the pipeline. Although EDC believes it can comply with the more restrictive permit limits without the pipeline, except for an occasional difficulty demonstrating consistent compliance with the more restrictive dissolved minerals permit limits, EDC will participate in the construction of the pipeline that will be owned by the City in order to ensure that EDC will be able to comply with future permit limits. During April 2011, certain companies, including EDC, and the City entered into a funding agreement and operating agreement, pursuant to which each party to the agreements has agreed to contribute to the cost of construction and the annual operating costs of the pipeline for the right to use the pipeline to dispose its wastewater. EDC anticipates its capital cost in connection with the construction of the pipeline will be approximately $4.0 million, of which $1.3 million has been capitalized as of March 31, 2012. The City plans to complete the construction of the pipeline by mid-2014. Once the pipeline is completed, EDC’s estimated share of the annual operating costs is to be $100,000 to $150,000. The initial term of the operating agreement is through December 2053.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 8: Commitments and Contingencies (continued)

In addition, the El Dorado Facility is currently operating under a consent administrative order (“2006 CAO”) that recognizes the presence of nitrate contamination in the shallow groundwater. The 2006 CAO required EDC to continue semi-annual groundwater monitoring, to continue operation of a groundwater recovery system and to submit a human health and ecological risk assessment to the ADEQ relating to the El Dorado Facility. The final remedy for shallow groundwater contamination, should any remediation be required, will be selected pursuant to a new consent administrative order and based upon the risk assessment. The cost of any additional remediation that may be required will be determined based on the results of the investigation and risk assessment, which costs (or range of costs) cannot currently be reasonably estimated. Therefore, no liability has been established at March 31, 2012, in connection with this matter.

2. Air Matters

The EPA has sent information requests to most, if not all, of the operators of nitric acid plants in the United States, including our El Dorado and Cherokee Facilities and the chemical production facility located in Baytown, Texas (the “Baytown Facility”) operated by our subsidiary, El Dorado Nitric Company and its subsidiaries (“EDN”), under Section 114 of the Clean Air Act as to construction and modification activities at each of these facilities over a period of years. These information requests were to enable the EPA to determine whether these facilities are in compliance with certain provisions of the Clean Air Act. If it were determined that the equipment at any of our chemical facilities has not met the requirements of the Clean Air Act, our Chemical Business could be subject to penalties in an amount not to exceed $27,500 per day as to each facility not in compliance and be required to retrofit each facility with the “best available control technology.”

After a review by our Chemical Business of these facilities in obtaining information for the EPA pursuant to the EPA’s request, our Chemical Business management believes that certain facilities within our Chemical Business may be required to make capital improvements to emission equipment in order to comply with the requirements of the Clean Air Act. During the first quarter of 2012, our Chemical Business provided to the EPA a proposed global settlement offer in connection with this matter, which settlement offer would require implementation of additional pollution controls to be installed over a period of time in each of our ten affected nitric acid plants to achieve certain proposed emission rates. The proposal also offered to negotiate a modest civil penalty but did not provide an amount of any proposed civil penalty. Since the specific types of pollution controls necessary to meet the proposed emission rates at each plant have not been determined, the total capital cost to achieve the proposed emission rates has not been determined with any degree of accuracy; however, the total capital cost could be significant.

The DOJ, on behalf of the EPA, has responded in writing to our proposed global settlement offer and advised in its response which of our proposals are acceptable and not acceptable and certain other provisions that the United States would require in a global settlement. The DOJ’s response also provided that they will require, among other things, that we pay an appropriate civil penalty to the United States and participating state parties, with the amount to be determined after the parties have reached agreement on the core components of a consent decree, and that any settlement is contingent upon the incorporation of the settlement terms into a definitive consent decree acceptable to the parties. Therefore a liability of $100,000 for potential civil penalties has been established at March 31, 2012, in connection with this matter. We are currently considering the DOJ’s response and anticipate that we will be responding in an allowable time frame.

3. Other Environmental Matters

In 2002, two subsidiaries within our Chemical Business, sold substantially all of their operating assets relating to a Kansas chemical facility (“Hallowell Facility”) but retained ownership of the real property. At December 31, 2002, even though we continued to own the real property, we did not assess our continuing involvement with our former Hallowell Facility to be significant and therefore accounted for the sale as discontinued operations. In connection with this sale, our subsidiary leased the real property to the buyer under a triple net long-term lease agreement. However, our subsidiary retained the obligation to be responsible for, and perform the activities under, a previously executed consent order to investigate the surface and subsurface contamination at the real property and a corrective action strategy based on the investigation. In addition, certain of our subsidiaries agreed to indemnify the buyer of such assets for these environmental matters. Based on the assessment discussed above, we account for transactions associated with the Hallowell Facility as discontinued operations.

The successor (“Chevron”) of a prior owner of the Hallowell Facility has agreed in writing, within certain limitations, to pay and has been paying one-half of the costs of the interim measures relating to this matter as approved by the Kansas Department of Environmental Quality, subject to reallocation.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 8: Commitments and Contingencies (continued)

Our subsidiary and Chevron are pursuing with the state of Kansas a course of long-term surface and groundwater monitoring to track the natural decline in contamination. Currently, our subsidiary and Chevron are in the process of performing additional surface and groundwater testing. We have accrued for our allocable portion of costs for the additional testing, monitoring and risk assessments that could be reasonably estimated.

In addition, the Kansas Department of Health and Environment (“KDHE”) notified our subsidiary and Chevron that the Hallowell Facility has been referred to the KDHE’s Natural Resources Trustee, who is to consider and recommend restoration, replacement and/or whether to seek compensation. KDHE will consider the recommendations in their evaluation. Currently, it is unknown what damages the KDHE would claim, if any. The ultimate required remediation, if any, is unknown. The nature and extent of a portion of the requirements are not currently defined and the associated costs (or range of costs) are not reasonably estimable.

At March 31, 2012, our allocable portion of the total estimated liability related to the Hallowell Facility of $100,000 has been established in connection with this matter. The estimated amount is not discounted to its present value. It is reasonably possible that a change in the estimate of our liability could occur in the near term.

B. Other Pending, Threatened or Settled Litigation

The Jayhawk Group

In November 2006, we entered into an agreement with Jayhawk Capital Management, LLC, Jayhawk Investments, L.P., Jayhawk Institutional Partners, L.P. and Kent McCarthy, the manager and sole member of Jayhawk Capital, (collectively, the “Jayhawk Group”), in which the Jayhawk Group agreed, among other things, that if we undertook, in our sole discretion, within one year from the date of agreement a tender offer for our Series 2 $3.25 convertible exchangeable Class C preferred stock (“Series 2 Preferred”) or to issue our common stock for a portion of our Series 2 Preferred pursuant to a private exchange, that they would tender or exchange an aggregate of no more than 180,450 shares of the 340,900 shares of the Series 2 Preferred beneficially owned by the Jayhawk Group, subject to, among other things, the entities owned and controlled by Jack E. Golsen, our chairman and chief executive officer (“Golsen”), and his immediate family, that beneficially own Series 2 Preferred only being able to exchange or tender approximately the same percentage of shares of Series 2 Preferred beneficially owned by them as the Jayhawk Group was able to tender or exchange under the terms of the agreement.

During 2007, we made a tender offer for our outstanding Series 2 Preferred at the rate of 7.4 shares of our common stock for each share of Series 2 Preferred so tendered. In July 2007, we redeemed the balance of our outstanding shares of Series 2 Preferred. Pursuant to its terms, the Series 2 Preferred was convertible into 4.329 shares of our common stock for each share of Series 2 Preferred. As a result of the redemption, the Jayhawk Group converted the balance of its Series 2 Preferred pursuant to the terms of the Series 2 Preferred in lieu of having its shares redeemed.

The Jayhawk Group has filed suit against us and Golsen alleging that the Jayhawk Group should have been able to tender all of its Series 2 Preferred pursuant to the tender offer, notwithstanding the above-described agreement, based on the following claims against us and Golsen:

• fraudulent inducement and fraud,

• violation of 10(b) of the Exchange Act and Rule 10b-5,

• violation of 17-12A501 of the Kansas Uniform Securities Act, and

• breach of contract.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 8: Commitments and Contingencies (continued)

The Jayhawk Group seeks damages up to $12 million based on the additional number of common shares it allegedly would have received on conversion of all of its Series 2 Preferred through the February 2007 tender offer, plus punitive damages. In May 2008, the General Counsel for the Jayhawk Group offered to settle its claims against us and Golsen in return for a payment of $100,000, representing the approximate legal fees it had incurred investigating the claims at that time. Through counsel, we verbally agreed to the settlement offer and confirmed the agreement by e-mail. Afterward, the Jayhawk Group’s General Counsel purported to withdraw the settlement offer, and asserted that Jayhawk is not bound by any settlement agreement. We contend that the settlement agreement is binding on the Jayhawk Group. During September 2011, this case was tried before the court in the United States District Court for the District of Kansas. We are awaiting the court’s decision in this matter. Our insurer, Chartis, a subsidiary of AIG, has agreed to defend this lawsuit on our behalf and to indemnify under a reservation of rights to deny liability under certain conditions. We have incurred expenses associated with this matter up to our insurance deductible of $250,000, and our insurer is paying defense costs in excess of our deductible in this matter. Although our insurer is defending this matter under a reservation of rights, we are not currently aware of any material issue in this case that would result in our insurer denying coverage. Therefore, no liability has been established at March 31, 2012 as a result of this matter.

Other Claims and Legal Actions

We are also involved in various other claims and legal actions including claims for damages resulting from water leaks related to our Climate Control products and other product liability occurrences. Most of the product liability claims are covered by our general liability insurance, which generally includes a deductible of $250,000 per claim. For any claims or legal actions that we have assessed the likelihood of our liability as probable, we have recognized our estimated liability up to the applicable deductible. At March 31, 2012, our accrued general liability insurance claims were $727,000 and are included in accrued and other liabilities. It is possible that the actual development of claims could be different from our estimates but, after consultation with legal counsel, if those general liability insurance claims for which we have not recognized a liability were determined adversely to us, it would not have a material effect on our business, financial condition or results of operations.

Note 9: Derivatives, Hedges, Financial Instruments and Carbon Credits We have three classes of contracts that are accounted for on a fair value basis, which are commodities futures/forward contracts (“commodities contracts”), foreign exchange contracts and interest rate contracts as discussed below. All of these contracts are used as economic hedges for risk management purposes but are not designated as hedging instruments. In addition as discussed below, we are issued carbon credits, which a certain portion of the carbon credits are to be sold and the proceeds given to Bayer Material Science LLC (“Bayer”). The carbon credits are accounted for on a fair value basis as discussed below. Also the contractual obligations associated with these carbon credits are accounted for on a fair value basis (as discussed below) unless we enter into a firm sales commitment to sell the carbon credits as discussed in Note 1 - Summary of Significant Accounting Policies. The valuations of these assets and liabilities were determined based on quoted market prices or, in instances where market quotes are not available, other valuation techniques or models used to estimate fair values.

The valuations of contracts classified as Level 1 are based on quoted prices in active markets for identical contracts. The valuations of contracts classified as Level 2 are based on quoted prices for similar contracts and valuation inputs other than quoted prices that are observable for these contracts. At March 31, 2012, the valuations of contracts classified as Level 2 related to interest rate swap contracts. For interest rate swap contracts, we utilize valuation software and market data from a third-party provider. These interest rate contracts are valued using a discounted cash flow model that calculates the present value of future cash flows pursuant to the terms of the contracts and using market information for forward interest-rate yield curves. The valuation inputs included the total contractual weighted-average pay rate of 3.25% and the total estimated market weighted-average receive rate of 0.93%. No valuation input adjustments were considered necessary relating to nonperformance risk for the contracts.

The valuations of assets and liabilities classified as Level 3 are based on prices or valuation techniques that require inputs that are both unobservable and significant to the overall fair value measurement. At March 31, 2012, the valuations ($3.15 per carbon credit) of the carbon credits and the contractual obligations associated with these carbon credits are classified as Level 3 and are based on the range of prices ($1.00 to $3.50) per carbon credit obtained from brokers involved in this low volume market. At December 31, 2011, the valuations ($3.15 per carbon credit) of the carbon credits and the contractual obligations associated with these carbon credits are classified as Level 3 and are based on the range of ask/bid prices ($1.00 to $3.00) per carbon credit obtained from a broker involved in this low volume market, the sales price of a December 2011 transaction and an offer received from a potential customer. The valuations are using undiscounted cash flows based on management’s assumption that the carbon credits would be sold and the associated contractual obligations would be extinguished in the near term. In addition, no valuation input adjustments were considered necessary relating to nonperformance risk for the carbon credits and associated contractual obligations.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 9: Derivatives, Hedges, Financial Instruments and Carbon Credits (continued)

Commodities Contracts

Raw materials for use in our manufacturing processes include copper used by our Climate Control Business and anhydrous ammonia and natural gas used by our Chemical Business. As part of our raw material price risk management, we periodically enter into futures/forward contracts for these materials, which contracts may be required to be accounted for on a mark-to-market basis. At December 31, 2011, our futures/forward copper contracts were for 375,000 pounds of copper through May 2012 at a weighted-average cost of $3.42 per pound. At March 31, 2012, our futures/forward copper contracts were for 625,000 pounds of copper through December 2012 at a weighted-average cost of $3.59 per pound. At December 31, 2011 and March 31, 2012, we did not have any futures/forward natural gas contracts requiring mark-to-market accounting. The cash flows relating to these contracts are included in cash flows from continuing operating activities, if any.

Foreign Exchange Contracts

One of our business operations purchases industrial machinery and related components from vendors outside of the United States. As part of our foreign currency risk management, we periodically enter into foreign exchange contracts, which set the U.S. Dollar/Euro exchange rates. These contracts are free-standing derivatives and are accounted for on a mark-to-market basis. At December 31, 2011 and March 31, 2012, we did not have any foreign exchange contracts. The cash flows relating to these contracts are included in cash flows from continuing operating activities, if any.

Interest Rate Contracts

As part of our interest rate risk management, we periodically purchase and/or enter into various interest rate contracts. In April 2008, we entered into an interest rate swap at no cost, which set a fixed three-month LIBOR rate of 3.24% on $25 million and matured in April 2012. In September 2008, we acquired an interest rate swap at a cost basis of $0.4 million, which set a fixed three-month LIBOR rate of 3.595% on $25 million and matured in April 2012. In February 2011, we entered into an interest rate swap at no cost, which sets a fixed three-month LIBOR rate of 3.23% on a declining balance (from $23.8 million to $18.8 million) for the period beginning in April 2012 through March 2016.

These contracts are free-standing derivatives and are accounted for on a mark-to-market basis. During the three months ended March 31, 2012 and 2011, no cash flows occurred relating to the purchase or sale of interest rate contracts. The cash flows associated with the interest rate swap payments are included in cash flows from continuing operating activities.

Carbon Credits and Associated Contractual Obligation

Periodically, we are issued carbon credits by the Climate Action Reserve in relation to a greenhouse gas reduction project (“Project”) performed at the Baytown Facility. Pursuant to the terms of the agreement with Bayer, a certain portion of the carbon credits are to be used to recover the costs of the Project, and any balance thereafter to be allocated between Bayer and EDN. We have no obligation to reimburse Bayer for their costs associated with the Project, except through the transfer or sale of the carbon credits when such credits are issued to us. The carbon credits are accounted for on a fair value basis and the contractual obligations associated with these carbon credits are also accounted for on a fair value basis (unless we enter into a firm sales commitment to sell the carbon credits). At December 31, 2011 and March 31, 2012, we had a minimal amount of carbon credits, all of which were subject to contractual obligations. As a result, changes in the amounts of our unobservable valuation inputs (discussed above) would not result in a significant change in the fair value of the carbon credits and the associated contractual obligations and such changes would not impact net income. The cash flows associated with the carbon credits and the associated contractual obligations are included in cash flows from continuing investing activities.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 9: Derivatives, Hedges, Financial Instruments and Carbon Credits (continued)

The following details our assets and liabilities that are measured at fair value on a recurring basis at March 31, 2012 and December 31, 2011:

			Fair Value Measurements at March 31, 2012 Using
Description	Total Fair Value at March 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value at December 31, 2011
	(In Thousands)
Assets - Supplies, prepaid items and other:
Commodities contracts	$	153	$	153	$	—	$	—	$	11
Carbon credits		42		—		—		42		42
Total	$	195	$	153	$	—	$	42	$	53
Liabilities - Current and noncurrent accrued and other liabilities:
Contractual obligations – carbon credits	$	42	$	—	$	—	$	42	$	42
Interest rate contracts		1,971		—		1,971		—		2,241
Total	$	2,013	$	—	$	1,971	$	42	$	2,283

During the three months ended March 31, 2012 and 2011, none of our assets or liabilities measured at fair value on a recurring basis transferred between Level 1 and Level 2 classifications. In addition, the following is a reconciliation of the beginning and ending balances for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

	Assets					Liabilities
	Three Months Ended March 31,					Three Months Ended March 31,
	2012		2011			2012			2011
	(In Thousands)
Beginning balance	$	42	$	644		$	(42	)	$	(644	)
Transfers into Level 3		—		—			—			—
Transfers out of Level 3		—		—			—			—
Total realized and unrealized gain (loss) included in earnings		—		40			—			(40	)
Purchases		—		—			—			—
Issuances		—		—			—			—
Sales		—		(673	)		—			—
Settlements		—		—			—			684
Ending balance	$	42	$	11		$	(42	)	$	—

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LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 9: Derivatives, Hedges, Financial Instruments and Carbon Credits (continued)

Realized and unrealized net losses included in earnings and the income statement classifications are as follows:

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Total net gains (losses) included in earnings:
Cost of sales – Commodities contracts	$	142		$	(151	)
Cost of sales – Foreign exchange contracts		—			40
Other income – Carbon credits		—			40
Other expense – Contractual obligations relating to carbon credits		—			(40	)
Interest expense – Interest rate contracts		(96	)		(338	)
	$	46		$	(449	)
Change in unrealized gains (losses) relating to contracts still held at period end:
Cost of sales – Commodities contracts	$	142		$	(82	)
Cost of sales – Foreign exchange contracts		—			18
Interest expense – Interest rate contracts		270			52
	$	412		$	(12	)

At March 31, 2012 and December 31, 2011, we did not have any financial instruments with fair values significantly different from their carrying amounts. These financial instruments include our long-term debt agreements, which valuations are classified as Level 3 and are based on valuation techniques that require inputs that are both unobservable and significant to the overall fair value measurement. The fair value measurement of our long-term debt agreements are valued using a discounted cash flow model that calculates the present value of future cash flows pursuant to the terms of the debt agreements and applies estimated current market interest rates. The estimated current market interest rates are based primarily on interest rates currently being offered on borrowings of similar amounts and terms. In addition, no valuation input adjustments were considered necessary relating to nonperformance risk for the debt agreements. The fair value of financial instruments is not indicative of the overall fair value of our assets and liabilities since financial instruments do not include all assets, including intangibles, and all liabilities.

Note 10: Income Taxes Provisions for income taxes are as follows:

	Three Months Ended March 31,
	2012		2011
	(In Thousands)
Current:
Federal	$	5,390	$	9,148
State		1,075		2,546
Total Current	$	6,465	$	11,694
Deferred:
Federal	$	1,171	$	(36	)
State		166		(1	)
Total Deferred		1,337		(37	)
Provisions for income taxes	$	7,802	$	11,657

23

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 10: Income Taxes (continued)

For the three months ended March 31, 2012 and 2011, the current provision for federal income taxes shown above includes regular federal income tax after the consideration of permanent and temporary differences between income for GAAP and tax purposes. For the three months ended March 31, 2012 and 2011, the current provision for state income taxes shown above includes regular state income tax and provisions for uncertain state income tax positions.

At December 31, 2011, we have remaining state tax net operating loss (“NOL”) carryforwards of approximately $8.0 million that begin expiring in 2013.

Our annual estimated effective tax rate for 2012 includes the impact of permanent tax differences, such as the domestic manufacturer’s deduction, the advanced energy credit and other permanent items.

The tax provision for the three months ended March 31, 2012 and 2011 was $7.8 million (35% of pre-tax income) and $11.7 million (36% of pre-tax income), respectively.

We had approximately $0.7 million accrued for uncertain tax liabilities at March 31, 2012 and December 31, 2011, which is included in current and noncurrent accrued and other liabilities.

LSB and certain of its subsidiaries file income tax returns in the U.S. federal jurisdiction and various state jurisdictions. With few exceptions, the 2008-2010 years remain open for all purposes of examination by the U.S. Internal Revenue Service (“IRS”) and other major tax jurisdictions. Currently, we are under examination by the IRS and certain state tax authorities for the tax years 2007-2010.

Note 11: Other Expense, Other Income and Non-Operating Other Income, net

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Other expense:
Total other expense (1)	$	167		$	62
Other income:
Settlements of litigation and potential litigation (2)	$	—		$	747
Miscellaneous income (1)		236			125
Total other income	$	236		$	872
Non-operating other income, net:
Interest income	$	24		$	24
Miscellaneous expense (1)		(19	)		(17	)
Total non-operating other income, net	$	5		$	7

(1) Amounts represent numerous unrelated transactions, none of which are individually significant requiring separate disclosure.

(2) Amount relates primarily to settlements reached with certain vendors of our Chemical Business.

24

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 12: Segment Information

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Net sales:
Climate Control	$	62,758		$	63,649
Chemical		124,205			111,431
Other		3,282			2,413
	$	190,245		$	177,493
Gross profit: (1)
Climate Control	$	19,446		$	21,486
Chemical (2)		23,998			31,468
Other		1,000			900
	$	44,444		$	53,854
Operating income: (3)
Climate Control	$	5,838		$	8,441
Chemical (2)		20,347			29,098
General corporate expenses and other business operations, net (4)		(3,103	)		(3,502	)
		23,082			34,037
Interest expense		(1,132	)		(1,712	)
Non-operating other income, net:
Climate Control		—			1
Corporate and other business operations		5			6
Provisions for income taxes		(7,802	)		(11,657	)
Equity in earnings of affiliate-Climate Control		171			285
Income from continuing operations	$	14,324		$	20,960

(1) Gross profit by business segment represents net sales less cost of sales. Gross profit classified as “Other” relates to the sales of industrial machinery and related components.

(2) During January 2012, a planned improvement project was performed at the Pryor Facility to increase anhydrous ammonia production levels, during which time the facility was not in production. In addition, during March 2012, the Pryor Facility experienced certain unplanned downtime in the ammonia and urea plants. The ammonia plant production was shut down for a portion of the month while the repairs were performed. The repairs to the urea plant are extensive resulting in the urea plant being shut down the entire month of March and is expected to continue to be down through most of the second quarter of 2012. As a result, the operating results of the Chemical Business for the first quarter of 2012 were negatively impacted by the downtime of the Pryor Facility.

(3) Our chief operating decision makers use operating income by business segment for purposes of making decisions, which include resource allocations and performance evaluations. Operating income by business segment represents gross profit by business segment less selling, general and administrative expense (“SG&A”) incurred by each business segment plus other income and other expense earned/incurred by each business segment before general corporate expenses and other business operations, net. General corporate expenses and other business operations, net, consist of unallocated portions of gross profit, SG&A, other income and other expense.

25

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 12: Segment Information (continued)

(4) The amounts included are not allocated to our Climate Control and Chemical Businesses since these items are not included in the operating results reviewed by our chief operating decision makers for purposes of making decisions as discussed above. A detail of these amounts are as follows:

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Gross profit-Other	$	1,000		$	900
Selling, general and administrative:
Personnel costs		(2,082	)		(1,610	)
Professional fees		(1,404	)		(1,142	)
All other		(803	)		(1,694	)
Total selling, general and administrative		(4,289	)		(4,446	)
Other income		186			47
Other expense		—			(3	)
Total general corporate expenses and other business operations, net	$	(3,103	)	$	(3,502	)

Information about our total assets by business segment is as follows:

	March 31, 2012		December 31, 2011
	(In Thousands)
Climate Control	$	123,694	$	119,323
Chemical		227,128		214,246
Corporate assets and other		154,172		168,440
Total assets	$	504,994	$	502,009

Note 13: Related Party Transactions

Golsen Group

In January 2011, we paid interest of $137,500 (that was accrued at December 31, 2010) relating to $5,000,000 of the 2007 Debentures held by Jack E. Golsen (“Golsen”), our Chairman of the Board and Chief Executive Officer, members of his immediate family (spouse and children), including Barry H. Golsen, our Vice Chairman and President, Steven J. Golsen, a Director and Chief Operating Officer of our Climate Control Business, entities owned by them and trusts for which they possess voting or dispositive power as trustee (together, the “Golsen Group”). In March 2011, we paid dividends totaling $300,000 on our Series B Preferred and our Series D Preferred. In March 2011, the Golsen Group sold $3,000,000 of the 2007 Debentures it held to a third party. During the three months ended March 31, 2011, we incurred interest expense of $27,500 relating to $2,000,000 of the 2007 Debentures held by the Golsen Group.

In March 2012, we paid dividends totaling $300,000 on our Series B Preferred and our Series D Preferred.

The Series B Preferred and Series D Preferred are non-redeemable preferred stocks issued in 1986 and 2001, respectively, of which all outstanding shares are owned by the Golsen Group.

26

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 13: Related Party Transactions (continued)

Landmark Transaction

As approved by a special committee of our board of directors and pursuant to an agreement (the “Purchase Agreement”) entered into in September 2011, effective February 7, 2012, one of our subsidiaries, Prime Financial L.L.C. (“Prime”), purchased from Landmark Land Company, Inc. (“Landmark”) certain undeveloped real estate located in Laguna Vista, Texas (the “Texas Real Estate”) for the purchase price of approximately $2,500,000. The Purchase Agreement grants Prime put options to sell the Texas Real Estate to Landmark or to Gerald G. Barton (“Barton”), who is the chief executive officer and a substantial stockholder of Landmark. Prime may exercise a put option during the sixth year following Prime’s purchase of the Texas Real Estate. If a put option is exercised, the purchase price for the Texas Real Estate will be based on the original purchase price, plus a premium equal to a simple 10% annual return on the original purchase price beginning February 2012, subject to certain adjustments. The Purchase Agreement also grants Prime warrants to purchase up to 1,000,000 shares of Landmark’s common stock, at $1.00 per share. The right of Prime to acquire Landmark shares under any unexercised warrants shall terminate on the completed exercise of the put options. Also Landmark entered into a separate agreement (“GHP Use Agreement”) to use its reasonable efforts to use, where technically feasible, geothermal heating and air conditioning units manufactured by one of LSB’s subsidiaries on other Landmark properties in the development where the Texas Real Estate is located. For financial reporting purposes, no value from the purchase price was allocated to the put options or the GHP Use Agreement primarily because the estimated market value of the Texas Real Estate exceeded the purchase price and a minimal value from the purchase price was allocated to the warrants primarily because Landmark’s common stock is lightly traded on the Over-the-Counter Bulletin Board with a minimal price per share (Landmark’s average closing price per share was approximately $0.11 over the twelve-month period ended February 7, 2012). The above described transaction is in addition to the previously reported transaction with Landmark whereby Prime purchased from a subsidiary of Landmark real estate located in Oklahoma City, Oklahoma during 2011.

Golsen and another individual previously formed a limited liability company (“LLC”), and each contributed $1,000,000 to the LLC. The LLC subsequently loaned Landmark approximately $2,000,000. In March 2011, Golsen sold his membership interest in the LLC to Barton in consideration for a promissory note in the principal amount of approximately $1,100,000, representing the amount that Golsen had invested in the LLC, plus interest (the “Barton Note”). The Barton Note was due and payable in June 2011. Pursuant to the terms of the Purchase Agreement, until the expiration of the put option, no payment will be made on the Barton Note and payment of the amounts owing under the Barton Note will be subordinate to any amounts owing Prime upon the exercise of a put option. Further, Golsen has agreed under the Purchase Agreement that no portion of the purchase price shall be used by Landmark to repay any indebtedness owing to Golsen.

In addition, Bernard Ille, one of our directors, served as a director of Landmark for many years until he resigned in March 2011. In light of the Barton Note and Mr. Ille’s past relationship with Landmark, our board of directors appointed a special committee for the purpose of reviewing and determining whether Prime should purchase the Texas Real Estate. The special committee believed, based on an analysis of a real estate consultant, that the price paid for the Texas Real Estate approximated the market value, and also believed that this property, when developed, has the potential to establish a model geothermal community.

Note 14: Subsequent Events

Amendment to Working Capital Revolver Loan - Since the Working Capital Revolver Loan was scheduled to mature on April 13, 2012, ThermaClime and its subsidiaries (collectively, the “Borrowers”) and the lender entered into an amendment to the Working Capital Revolver Loan, dated April 4, 2012, that continues to provide for advances based on specified percentages of eligible accounts receivable and inventories for ThermaClime and its subsidiaries. As amended, the Working Capital Revolver Loan matures on March 29, 2016, but could be extended to April 13, 2017 under certain conditions. The Working Capital Revolver Loan, as amended, accrues interest at a base rate (generally equivalent to the prime rate) plus .50% if borrowing availability is greater than $25 million, otherwise plus .75% (previously plus .50% only) or, at our option, accrues interest at LIBOR plus 1.50% if borrowing availability is greater than $25 million, otherwise plus 1.75% (previously plus 1.75% only). The interest rate at April 6, 2012 was 2.22% based on LIBOR. Interest continues to be paid monthly, if applicable.

As amended, the Working Capital Revolver Loan provides for up to $15 million of letters of credit. All letters of credit outstanding reduce availability under the Working Capital Revolver Loan. As of April 6, 2012, amounts available for borrowing under the Working Capital Revolver Loan were approximately $49 million. Under the Working Capital Revolver Loan, as amended, the lender also continues to require the Borrowers to pay a letter of credit fee equal to 1% per annum of the undrawn amount of all outstanding letters of credit, an unused line fee equal to .25% per annum (previously .375% per annum) for the excess amount available under the Working Capital Revolver Loan not drawn and various other audit, appraisal and valuation charges.

27

LSB INDUSTRIES, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (continued)

(Unaudited)

Note 14: Subsequent Events (continued)

The lender continues to have the ability to, upon an event of default, as defined, terminate the Working Capital Revolver Loan and make the balance outstanding, if any, due and payable in full. The Working Capital Revolver Loan continues to be secured by the assets of all the ThermaClime entities other than EDN, but excluding the assets securing the Secured Term Loan, certain production equipment and facilities utilized by the Climate Control Business, and certain distribution-related assets of EDC. In addition, EDN is neither a borrower under, nor guarantor of, the Working Capital Revolver Loan. At March 31, 2012, the carrying value of the pledged assets was approximately $243 million.

The Working Capital Revolver Loan continues to require ThermaClime to meet a minimum fixed charge coverage ratio of not less than 1.10 to 1, but the maximum senior leverage coverage ratio of not greater than 4.50 to 1 and the EBITDA requirement of greater than $25 million financial covenants have been eliminated.

This requirement is to be measured on a fiscal year-end basis and as defined in the agreement. The Working Capital Revolver Loan continues to contain covenants that, among other things, limit the Borrowers’ (which does not include LSB) ability, without consent of the lender and with certain exceptions, to:

• incur additional indebtedness,

• incur liens,

• make restricted payments or loans to affiliates who are not Borrowers,

• engage in mergers, consolidations or other forms of recapitalization, or

• dispose assets.

However, pursuant to the Working Capital Revolver Loan amendment, such negative covenants were modified so as to provide the Borrowers with more flexibility in regards to such activities. Pursuant to certain agreements with the lender, all collections on accounts receivable are no longer made through a bank account in the name of the lender or their agent. As a result and compared to previous periods, we expect this change will reduce the amount of cash flow activity associated with the Working Capital Revolver Loan, which is also reported as cash flows from continuing financing activities.

Downtime at Pryor Facility - As discussed in Note 12-Segment Information, our Pryor Facility experienced unplanned downtime in the urea plant during the first quarter of 2012. The repair undertaken at the urea plant, which began on February 27, 2012, is not complete and is expected to continue through most of June 2012. As a result, the Pryor Facility has not produced urea ammonium nitrate since February 27, 2012.

28

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

The following Management’s Discussion and Analysis of Financial Condition and Results of Operations (“MD&A”) should be read in conjunction with a review of the other Items included in this Form 10-Q including our March 31, 2012 condensed consolidated financial statements included elsewhere in this report. Certain statements contained in this MD&A may be deemed to be forward-looking statements. See “Special Note Regarding Forward-Looking Statements.”

Overview

General

LSB Industries, Inc. (“LSB”) is a manufacturing and marketing company operating through our subsidiaries. LSB and its wholly-owned subsidiaries (the “Company”, “We”, “Us”, or “Our”) own the following core businesses:

• Climate Control Business manufactures and sells a broad range of heating, ventilation and air conditioning (“HVAC”) products in the niche markets we serve consisting of geothermal and water source heat pumps, hydronic fan coils, large custom air handlers, modular geothermal and other chillers and other related products used to control the environment in commercial/institutional and residential new building construction, renovation of existing buildings and replacement of existing systems. For the first quarter of 2012, the Climate Control Business accounted for approximately 33% of our consolidated net sales.

• Chemical Business manufactures and sells nitrogen-based chemical products produced from four facilities located in El Dorado, Arkansas (the “El Dorado Facility”); Cherokee, Alabama (the “Cherokee Facility”); Pryor, Oklahoma (the “Pryor Facility”); and Baytown, Texas (the “Baytown Facility”) for the agricultural, industrial and mining markets. Our products include high purity and commercial grade anhydrous ammonia for industrial and agricultural applications, industrial and fertilizer grade ammonium nitrate (“AN”), urea ammonium nitrate (“UAN”), sulfuric acids, nitric acids in various concentrations, nitrogen solutions, diesel exhaust fluid (“DEF”) and various other products. For the first quarter of 2012, the Chemical Business accounted for approximately 65% of our consolidated net sales.

Economic Conditions

Since our two core business segments serve several diverse markets, we consider market fundamentals for each market individually as we evaluate economic conditions. From a macro standpoint, we believe the U.S. economy is poised for modest growth, based upon certain economic reports, including the Conference Board Composite Index of Leading Indicators.

Climate Control Business - Sales for the first quarter of 2012 were slightly lower than the same period in 2011, including a 4% decrease in geothermal and water source heat pump sales partially offset by a 6% increase in hydronic fan coil sales. Sales of other HVAC products were slightly above the same period in 2011. From a market sector perspective, the sales decline is due to a 9% decrease in residential product sales whereas sales of commercial/institutional products were basically flat. The decline in residential product sales reflects the continued softness in the residential construction and replacement markets. There were no significant changes in the other major product lines (custom air handlers and modular chillers) or major markets (education, healthcare, multi-family, hospitality, and retail) comprising our commercial/institutional sales. For the first quarter of 2012, order levels of both our commercial/institutional and residential products decreased as compared to the first quarter of 2011, although fluctuations that occur in a particular period are not necessarily indicative of a developing trend. The latest information available from the Construction Market Forecasting Service provided by McGraw-Hill (“CMFS”) continues to indicate that in 2012, both the commercial/institutional and residential construction sectors we serve are expected to increase modestly over 2011 levels.

29

Chemical Business - Our Chemical Business’ primary markets are agricultural, industrial and mining. During the first quarter of 2012, approximately 49% of our Chemical Business’ sales were into the agricultural fertilizer markets to customers that primarily purchase at spot market prices and not pursuant to contractual pricing arrangements. Our agricultural sales volumes and prices depend upon the supply of and the demand for fertilizer, which in turn depends on the market fundamentals for crops including corn, wheat, cotton and forage. The current 2012 outlook according to most market indicators, including reports in Green Markets, Fertilizer Week and the USDA’s World Agricultural Supply and Demand Estimates, point to positive supply and demand fundamentals for the types of nitrogen fertilizer products we produce and sell. However, it is possible that the fertilizer outlook could change if there are unanticipated changes in commodity prices, fertilizer imports, acres planted or unfavorable weather conditions. Our Cherokee and Pryor Facilities produce anhydrous ammonia from natural gas and UAN from ammonia. During the first quarter of 2012, agricultural customer demand for ammonia and UAN was strong. Selling prices were generally higher while natural gas prices were generally lower compared to the same period in 2011. As a result, gross margins per ton increased for these two products. On the other hand, our El Dorado Facility produces agricultural grade AN from purchased ammonia and is currently at a cost disadvantage compared to competitive product produced from natural gas. Selling prices of agricultural grade AN increased over the same period in 2011 due to strong demand while purchased ammonia prices generally declined. However, agricultural grade AN gross margins per ton declined during the first quarter of 2012 as compared to the first quarter of 2011 due to selling certain quantities of inventory on hand at December 31, 2011 that was produced with higher purchased ammonia cost.

The remaining 51% of our Chemical Business’ sales were into industrial and mining markets of which approximately 55% of these sales are to customers that have contractual obligations to purchase a minimum quantity and allow us to recover our cost plus a profit, irrespective of the volume of product sold. During the first quarter of 2012, our sales volumes to industrial customers increased 5%, while sales to mining customers decreased 3%, as compared to the same period in 2011. Sales dollars during the first quarter of 2012 increased 10% to industrial customers and sales dollars to mining customers were approximately the same as compared to the same period in 2011. The increased industrial sales were primarily due to increased industrial acid sales due, in part, to improved demand in the automotive sector. For the balance of 2012, we expect mining sales to be lower as compared to the same period in 2011 due to the higher coal supply and lower coal demand. The unseasonably warm weather in North America during the winter reduced domestic demand for coal. Coal demand is also being impacted due to certain utility companies switching from coal to lower priced natural gas for their feedstock. However, a significant percent of our mining sales are pursuant to a long term contract that allows for the recovery of the fixed cost of reserved capacity plus a profit which minimizes the effect of lower volumes shipped on our operating results.

Results for the First Quarter of 2012

Our consolidated net sales for the first quarter of 2012 were $190.2 million compared to $177.5 million for the same period in 2011. The sales increase of approximately $12.7 million relates primarily to our Chemical Business.

Our consolidated operating income was $23.1 million for the first quarter of 2012 compared to $34.0 million for the same period in 2011. The decrease in operating income of approximately $10.9 million included a decrease of approximately $8.7 million in our Chemical Business and a decrease of $2.6 million in our Climate Control Business. In addition, our general corporate expense and other business operations net expenses decreased $0.4 million.

Our resulting effective income tax rate for the first quarter of 2012 was approximately 35% compared to 36% for the same period in 2011.

Climate Control Business

Our Climate Control sales for the first quarter of 2012 were $62.8 million, or approximately $0.9 million below the same period in 2011, and included a $1.8 million decrease in geothermal and water source heat pump sales and a $0.7 million increase in hydronic fan coil sales. Other HVAC sales were slightly above the same period in 2011. From a market sector perspective, the net decrease included a $1.2 million decrease in residential product sales partially offset by a $0.3 million increase in commercial/institutional product sales. The overall decline can be attributed to the lower product order levels and reduced level of backlog. Generally, with the exception of orders for our custom air handlers which increased, orders for all other products declined.

Our Climate Control operating income for the first quarter of 2012 was $5.8 million, or $2.6 million lower than the same period of 2011 primarily the result of the overall lower sales volume and a decline in our overall gross profit percentage due, in part, to product mix, including a higher content of commercial products with lower gross margins than our residential products, higher raw material and component costs, and overhead absorption related to the lower sales volume.

30

We continue to follow economic indicators and have attempted to assess the impact on the commercial/institutional and residential construction sectors that we serve, including, but not limited to, new construction and/or renovation of facilities in the following sectors:

• Single-Family Residential

• Education

• Healthcare

• Multi-Family Residential

• Hospitality

• Retail

• Industrial

During the first quarter of 2012, approximately 79% of our Climate Control Business’ sales were to the commercial/institutional and multi-family construction markets, and the remaining 21% were sales of geothermal heat pumps (“GHPs”) to the single-family residential market.

The following table shows information relating to our product order intake level, net sales and backlog of confirmed customer product orders of our Climate Control Business:

	New Orders (1)				Net Sales				Ending Backlog (1)
	2012		2011		2012		2011		2012		2011
	(In Millions)
First Quarter	$	62.9	$	71.6	$	62.8	$	63.6	$	47.4	$	58.3
Second Quarter			$	64.3			$	77.2			$	49.9
Third Quarter			$	65.7			$	71.8			$	48.4
Fourth Quarter			$	60.8			$	69.0			$	44.5

(1) Our product order level consists of confirmed purchase orders from customers that have been accepted and received credit approval. Our backlog consists of confirmed customer orders for product to be shipped at a future date. Historically, we have not experienced significant cancellations relating to our backlog of confirmed customer product orders, and we expect to ship substantially all of these orders within the next twelve months; however, it is possible that some of our customers could cancel a portion of our backlog or extend the shipment terms. Product orders and backlog, as reported, generally do not include amounts relating to shipping and handling charges, service orders or service contract orders. In addition, product orders and backlog, as reported, exclude contracts related to our construction business due to the relative size of individual projects and, in some cases, extended timeframe for completion beyond a twelve-month period.

For April 2012, our new orders received were approximately $20.1 million and our backlog was approximately $47.6 million at April 30, 2012.

Our GHPs use a form of renewable energy and, under certain conditions, can reduce energy costs up to 80% compared to some conventional HVAC systems. Tax legislation continues to provide incentives for customers purchasing products using forms of renewable energy. Homeowners who install GHPs are eligible for a 30% tax credit. Businesses that install GHPs are eligible for a 10% tax credit and five year accelerated depreciation on the balance of the system cost. Under currently enacted legislation, these tax credits for homeowners and tax credits and accelerated depreciation for business owners are effective through December 31, 2016. During 2012, businesses also have the option of electing 50% bonus depreciation on qualifying equipment, such as GHPs, that are placed in service during the year.

We expect the Climate Control Business to experience low to moderate sales growth in the short-term. Although a significant part of the Climate Control Business’ sales are products that are used for renovation and replacement application, its sales in the medium-term and long-term will be primarily driven by growth in new construction, as well as the introduction of new products. We continue to increase our sales and marketing efforts for all of our Climate Control products in an effort to increase our share of the existing market for our products as well as expand the market for and application of our products, including GHPs.

31

Chemical Business

Our Chemical Business operates four chemical facilities. The Cherokee and Pryor Facilities produce anhydrous ammonia and nitrogen products from natural gas delivered by pipeline but can also receive supplemental anhydrous ammonia by other modes of delivery. The El Dorado and Baytown Facilities produce nitrogen products from anhydrous ammonia delivered by pipeline.

Our Chemical Business sales for the first quarter of 2012 were $124.2 million, an increase of $12.8 million. Agricultural sales were $60.3 million compared to $51.1 million for the same period in 2011; industrial acids and other products sales were $40.4 million compared to $36.8 million for the same period of 2011 and mining products sales were $23.5 million for both periods.

The Chemical Business operating income for the first quarter of 2012 was $20.3 million or approximately $8.7 million lower than the same period of 2011 as a result of the planned and unplanned downtime at our Pryor Facility as discussed below under “Downtime at Pryor Facility – First Quarter of 2012” partially offset by increases in the agricultural and industrial sales volumes and margins in the rest of our business.

The percentage change in sales (volume and dollars) for the first quarter of 2012 compared to the first quarter of 2011 is as follows:

	Percentage Change of
	Tons			Dollars
Chemical products:
Agricultural		5	%		18	%
Industrial acids and other		5	%		10	%
Mining		(3	) %		—	%
Total weighted-average change		4	%		12	%

The net increase in agricultural tons and dollars includes increased tons of agricultural grade AN and ammonia and a decrease in UAN volumes and dollars due to the planned and unplanned downtime at our Pryor Facility, as noted above. Our Chemical Business experienced higher selling prices for all of our agricultural nitrogen fertilizers, which resulted in the higher increases in sales dollars than in tons shipped.

The increase in industrial acids and other sales was due to increased demand from several of our largest industrial customers.

Mining sales were approximately the same in both tons and dollars. However, demand in 2012 has fallen due to a warmer than normal winter in North America which reduced demand for coal, resulting in excess coal inventories. Also with lower natural gas prices, certain utility companies switched feedstock from coal to natural gas. However, a significant percent of our mining product capacity is reserved pursuant to a multi-year contract with a customer that allows for the recovery of fixed costs of the reserved production capacity plus a profit, irrespective of the quantity sold. As such, the impact to 2012 operating income is minimized.

Our primary raw material feedstocks (anhydrous ammonia and natural gas) are commodities subject to significant price fluctuations, which we generally purchase at prices in effect at the time of delivery. During the first quarter of 2012, the average prices for those commodities compared to the same period of 2011 were as follows:

	2012		2011
Natural gas average price per MMBtu based upon Henry Hub pipeline pricing point	$	2.46	$	4.16
Ammonia average price based upon low Tampa price per metric ton	$	449	$	512

32

At March 31, 2012, our Chemical Business had firm purchase commitments to purchase approximately 1.5 million MMBtu of natural gas through October 2012 at a weighted-average cost of $3.38 per MMBtu and a weighted-average market value of $2.27 per MMBtu (approximately 0.8 million MMBtu relate to the second quarter of 2012 at a weighted-average cost of $3.34 per MMBtu and a weighted-average market value of $2.10 per MMBtu).

Most of our Chemical Business sales in the industrial and mining markets were pursuant to sales contracts and/or pricing arrangements on terms that include the cost of raw material feedstock as a pass through component in the sales price. Our Chemical Business sales in the agricultural markets primarily were at the market price in effect at the time of sale or at a negotiated future price.

Downtime at Pryor Facility – First Quarter of 2012

The permitted production level of ammonia at the Pryor Facility is 700 tons per day (“TPD”), but due to production limitations caused by restrictions in the flow of process gas through heat exchangers and other mechanical restrictions, the ammonia plant was unable to sustain production above 500 TPD during 2011. Therefore beginning on January 3, 2012, a planned improvement project was performed at the Pryor Facility to increase anhydrous ammonia production levels, during which time the facility was not in production. The plant was gradually brought back into production on February 3, 2012 at a production rate of approximately 600 TPD.

However during March 2012, the Pryor Facility experienced certain unplanned downtime in the ammonia and urea plants. The ammonia plant experienced areas of excess heat in areas of a high temperature, large diameter pipe. As a precautionary measure, the ammonia plant production was shut down for approximately 8 days while the repairs were performed and resumed production of ammonia after the repairs were completed. However, the repair undertaken at the urea plant, which began on February 27, 2012, is not complete. As a result, the Pryor Facility has not produced UAN since February 27, 2012. The repair period is expected to extend through most of June 2012 because we have determined that the damaged portion of the urea reactor, which is the reactor’s stainless steel liner, is non-repairable and the liner has to be replaced.

For the first quarter of 2012, the cumulative impact for the planned and unplanned downtime was approximately $13.1 million including lost absorption and gross profit of $8.0 million, embedded losses on outstanding firm sales commitments of $3.0 million, and maintenance and repair costs of $2.1 million.

Subsequent to March 31, 2012, and until the urea plant is back in production, the downtime is estimated to result in approximately $0.9 million per week less operating income than if the urea plant was in production. In April 2012, a notice of an insurance claim for business interruption and property damage has been filed but the amount has not been determined. Based on our initial analysis, we believe the insurance claim will substantially exceed our deductible. A recovery, if any, from our insurance coverage has not been recognized since it is considered a gain contingency, which will be recognized if, and when, realized or realizable and earned.

Liquidity and Capital Resources

The following is our cash and cash equivalents, short-term investments, total interest bearing debt and stockholders’ equity:

	March 31, 2012		December 31, 2011
	(Dollars In Millions)
Cash and cash equivalents	$	113.3	$	124.9
Short-term investments (1)		10.0		10.0
	$	123.3	$	134.9
Long-term debt:
Secured Term Loan	$	71.3	$	72.2
Other		4.7		7.3
Total long-term debt, including current portion	$	76.0	$	79.5
Total stockholders’ equity	$	308.1	$	293.3

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(1) These investments consisted of certificates of deposit with an original maturity of 13 weeks. All of these investments were held by financial institutions within the United States and none of these investments were in excess of the federally insured limits.

At March 31, 2012, our cash, cash equivalents and short-term investments totaled $123.3 million and our $50 million revolving credit facility (the “Working Capital Revolver Loan”) was undrawn and available to fund operations, if needed, subject to the amount of our eligible collateral and outstanding letters of credit.

For the remainder of 2012, we expect our primary cash needs will be for working capital to fund our operations, capital expenditures, and general obligations. We expect to fund these cash needs from internally generated cash flows and cash on hand. Our internally generated cash flows and liquidity could be affected by possible declines in sales volumes resulting from the uncertainty relative to the current economic conditions.

As discussed below under “Loan Agreements-Terms and Conditions,” the term loan facility (the “Secured Term Loan”) requires quarterly principal payments of approximately $0.9 million, plus interest and a final balloon payment of $56.3 million due on March 29, 2016. At March 31, 2012, the weighted-average interest rate was approximately 4.03%. The Secured Term Loan is secured by the real property and equipment located at our El Dorado and Cherokee Facilities.

Certain subsidiaries are subject to numerous covenants under the Secured Term Loan including, but not limited to, limitation on the incurrence of certain additional indebtedness and liens, limitations on mergers, acquisitions, dissolution and sale of assets, and limitations on declaration of dividends and distributions to us, all with certain exceptions.

As discussed below under “Loan Agreements-Terms and Conditions”, since the Working Capital Revolver Loan was scheduled to mature on April 13, 2012, ThermaClime and its subsidiaries and the lender entered into an amendment to the Working Capital Revolver Loan, dated April 4, 2012, that continues to provide for advances based on specified percentages of eligible accounts receivable and inventories for our wholly-owned subsidiary, ThermaClime, LLC (“ThermaClime”), and its subsidiaries. As amended, the Working Capital Revolver Loan matures on March 29, 2016, but could be extended to April 13, 2017 under certain conditions. As of April 6, 2012, amounts available for borrowing under the Working Capital Revolver Loan were approximately $49 million based on eligible collateral less outstanding letters of credit.

The financial covenants of the Working Capital Revolver Loan and the Secured Term Loan are discussed below under “Loan Agreements - Terms and Conditions”. The Borrowers’ ability to maintain borrowing availability under the Working Capital Revolver Loan depends on their ability to comply with the terms and conditions of the loan agreements and their ability to generate cash flow from operations. The Borrowers are restricted under their credit agreements as to the funds they may transfer to LSB and its subsidiaries that are not parties to the loan agreement. This limitation does not prohibit payment to LSB of amounts due under a Services Agreement, Management Agreement and a Tax Sharing Agreement with ThermaClime. Based upon our current projections, we believe our working capital is adequate to fund operations for the near term.

In 2009, we filed a universal shelf registration statement on Form S-3, with the SEC. The shelf registration statement provides that we could offer and sell up to $200 million of our securities consisting of equity (common and preferred), debt (senior and subordinated), warrants and units, or a combination thereof. The shelf registration statement expires in November 2012 unless we decide to file a new Form S-3 covering the same securities, which is subject to a review by the SEC. This disclosure shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.

Income Taxes

We recognize and pay federal income taxes at regular corporate tax rates. With few exceptions, the 2008-2010 years remain open for all purposes of examination by the IRS and other major tax jurisdictions. Currently, we are under examination by the IRS and certain state tax authorities for the tax years 2007-2010.

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Subject to examination by taxing authorities, we believe that we do not have any material uncertain tax positions other than the failure to file original or amended state income tax returns in some jurisdictions where LSB or some of its subsidiaries may have a filing responsibility. We had approximately $664,000 accrued for uncertain tax liabilities at March 31, 2012.

Capital Expenditures

Capital Expenditures-First Quarter of 2012

Cash used for capital expenditures during the first quarter of 2012 was $15.6 million, including $1.0 million for the benefit of our Climate Control Business and $12.1 million for the benefit of our Chemical Business. The Chemical Business capital expenditures also included approximately $1.2 million associated with maintaining compliance with environmental laws, regulations and guidelines. The capital expenditures were funded from working capital.

Committed and Planned Capital Expenditures-Remainder of 2012

At March 31, 2012, we had committed capital expenditures of approximately $16.5 million for the remainder of 2012. The committed expenditures included $14.6 million for the benefit of our Chemical Business, including approximately $1.2 million associated with environmental laws, regulations and guidelines (including the wastewater pipeline discussed below). In addition, our committed expenditures included $1.3 million for the benefit of our Climate Control Business and approximately $0.6 million for general corporate facility upgrades. We plan to fund these expenditures from working capital.

In addition to committed capital expenditures at March 31, 2012, we had additional planned capital expenditures for the remainder of 2012 of $32.1 million, of which $19.4 million is for the benefit of our Chemical Business and $12.1 million is for the benefit of our Climate Control Business.

The planned capital expenditures are subject to economic conditions and approval by senior management. If these capital expenditures are approved, most of these expenditures will likely be funded from working capital and internal cash flows. In addition, see discussion below under “Wastewater Pipeline” relating to expenditures associated with the participation of the construction of a wastewater pipeline. Also see discussion below under “Information Request from EPA” that may require additional capital improvement to certain emission equipment not currently included in our committed or planned capital expenditures for the remainder of 2012.

Wastewater Pipeline

The El Dorado Facility generates process wastewater, which is subject to a wastewater discharge permit issued by the ADEQ, which permit is generally renewed every five years. During April 2011, certain companies, including our subsidiary, El Dorado Chemical Company (“EDC”), and the City of El Dorado, Arkansas (the “City”) entered into a funding agreement and operating agreement related to a wastewater pipeline to be constructed by the City. Each party to the agreements has agreed to contribute to the cost of construction and the annual operating costs of the pipeline for the right to use the pipeline to dispose of its wastewater. EDC anticipates its capital cost in connection with the construction of the pipeline will be approximately $4.0 million, of which $1.3 million has been capitalized as of March 31, 2012. The City plans to complete the construction of the pipeline by mid-2014. Once the pipeline is completed, EDC’s estimated share of the annual operating costs is to be $100,000 to $150,000. The initial term of the operating agreement is through December 2053.

Information Request from EPA

The United States Environmental Protection Agency (“EPA”) has sent information requests to most, if not all, of the operators of nitric acid plants in the United States, including our El Dorado and Cherokee Facilities and the Baytown Facility operated by our subsidiary, El Dorado Nitric Company and its subsidiaries (“EDN”), under Section 114 of the Clean Air Act as to construction and modification activities at each of these facilities over a period of years. These information requests were to enable the EPA to determine whether these facilities are in compliance with certain provisions of the Clean Air Act. If it were determined that the equipment at any of our chemical facilities has not met the requirements of the Clean Air Act, our Chemical Business could be subject to penalties in an amount not to exceed $27,500 per day as to each facility not in compliance and be required to retrofit each facility with the “best available control technology.” We believe this technology is already employed at the Baytown Facility.

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After a review by our Chemical Business of these facilities in obtaining information for the EPA pursuant to the EPA’s request, our Chemical Business management believes that certain facilities within our Chemical Business may be required to make capital improvements to emission equipment in order to comply with the requirements of the Clean Air Act. During the first quarter of 2012, our Chemical Business provided to the EPA a proposed global settlement offer in connection with this matter, which settlement offer would require implementation of additional pollution controls to be installed over a period of time in each of our ten affected nitric acid plants to achieve certain proposed emission rates. The proposal also offered to negotiate a modest civil penalty but did not provide an amount of any proposed civil penalty. Since the specific types of pollution controls necessary to meet the proposed emission rates at each plant have not been determined, the total capital cost to achieve the proposed emission rates has not been determined with any degree of accuracy; however, the total capital cost could be significant.

The United States Department of Justice (“DOJ”), on behalf of the EPA, has responded in writing to our proposed global settlement offer and advised in its response which of our proposals are acceptable and not acceptable and certain other provisions that the United States would require in a global settlement. The DOJ’s response also provided that they will require, among other things, that we pay an appropriate civil penalty to the United States and participating state parties, with the amount to be determined after the parties have reached agreement on the core components of a consent decree, and that any settlement is contingent upon the incorporation of the settlement terms into a definitive consent decree acceptable to the parties. Therefore a liability of $100,000 for potential civil penalties has been established at March 31, 2012, in connection with this matter. We are currently considering the DOJ’s response and anticipate that we will be responding in an allowable time frame.

Advanced Manufacturing Energy Credits

On January 8, 2010, two subsidiaries within the Climate Control Business were awarded Internal Revenue Code §48C tax credits (also referred to as “Advanced Manufacturing Energy Credits”) of approximately $9.6 million. The award was based on anticipated capital expenditures made from February 2009 through June 2014 for machinery that will be used to produce geothermal heat pumps and green modular chillers. As these subsidiaries invest in the qualifying machinery, we will be entitled to an income tax credit equal to 30% of the machinery cost, up to the total credit amount awarded. As of March 31, 2012, we utilized $0.8 million of §48C tax credits and we anticipate utilizing approximately $0.4 million and $2.4 million of these tax credits to partially offset our federal income tax liability for 2011 and 2012, respectively.

Estimated Plant Turnaround Costs – Remainder of 2012

Our Chemical Business expenses the maintenance, repairs and minor renewal costs relating to planned major maintenance activities (“Turnarounds”) as they are incurred and are classified as cost of sales. Based on our current plan for Turnarounds during the remainder of 2012, we estimate that we will incur approximately $8.0 million to $9.0 million of these Turnaround costs. These costs do not include the costs relating to lost absorption or reduced margins due to the associated plants being shut down. We plan to fund these expenditures from our available working capital. However, it is possible that the actual costs could be significantly different from our estimates.

Expenses Associated with Environmental Regulatory Compliance

Our Chemical Business is subject to specific federal and state environmental compliance laws, regulations and guidelines. As a result, our Chemical Business incurred expenses of $1.2 million in the first quarter of 2012 in connection with environmental regulatory issues. For the remainder of 2012, we expect to incur expenses ranging from $2.5 million to $3.5 million in connection with environmental regulatory issues. However, it is possible that the actual costs could be significantly different than our estimates.

Authorization to Repurchase Stock

As previously reported, our board of directors enacted a stock repurchase authorization for an unstipulated number of shares for an indefinite period. The stock repurchase authorization will remain in effect until such time as our board of directors decides to end it. If we should repurchase stock, we currently intend to fund any repurchases from our available working capital; however, our plan could change in the near term.

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Dividends

LSB is a holding company and, accordingly, its ability to pay cash dividends on its preferred stock and common stock depends in large part on its ability to obtain funds from its subsidiaries. The ability of ThermaClime (which owns a substantial portion of the companies comprising the Climate Control Business and Chemical Business) and its wholly-owned subsidiaries to pay dividends and to make distributions to LSB is restricted by certain covenants contained in the Working Capital Revolver Loan, as amended, and the Secured Term Loan agreements. Under the terms of these agreements, ThermaClime cannot transfer funds to LSB in the form of cash dividends or other distributions or advances, except for the following (so long as no default or event of default has occurred, is continuing or would result therefrom in certain cases):

• loans to LSB entered into subsequent to April 4, 2012, provided the aggregate amount of such loans do not exceed $5.0 million at any time outstanding;

• amounts not to exceed $7.5 million annually under a certain management agreement between LSB and ThermaClime, provided certain conditions are met;

• the repayment of costs and expenses incurred by LSB that are directly allocable to ThermaClime or its subsidiaries for LSB’s provision of services under certain services agreement;

• the amount of income taxes that ThermaClime would be required to pay if they were not consolidated with LSB; and

• an amount not to exceed fifty percent (50%) of ThermaClime’s consolidated net income during each fiscal year determined in accordance with generally accepted accounting principles plus income taxes paid to LSB during such fiscal year within the previous bullet above, provided that certain other conditions are met.

Holders of our common stock and preferred stocks are entitled to receive dividends only when and if declared by our board of directors. We have not paid cash dividends on our outstanding common stock in many years, and we do not currently anticipate paying cash dividends on our outstanding common stock in the near future. However, our board of directors has not made a decision whether or not to pay such dividends on our common stock in 2012.

During the first quarter of 2012, dividends totaling $300,000 were declared and paid on our outstanding preferred stock using funds from our working capital. Each share of preferred stock is entitled to receive an annual dividend, only when declared by our board of directors, payable as follows:

• $0.06 per share on our outstanding non-redeemable Series D Preferred for an aggregate dividend of $60,000 and

• $12.00 per share on our outstanding non-redeemable Series B Preferred for an aggregate dividend of $240,000.

All shares of the Series D Preferred and Series B Preferred are owned by the Golsen Group. There are no optional or mandatory redemption rights with respect to the Series B Preferred or Series D Preferred.

Compliance with Long - Term Debt Covenants

As discussed below under “Loan Agreements - Terms and Conditions”, the Secured Term Loan and Working Capital Revolver Loan, as amended, of ThermaClime and its subsidiaries require, among other things, that ThermaClime meet certain financial covenants. Currently, ThermaClime’s forecast is that ThermaClime will be able to meet all financial covenant requirements for the remainder of 2012.

Loan Agreements - Terms and Conditions

Amendment to Working Capital Revolver Loan – Since the Working Capital Revolver Loan was scheduled to mature on April 13, 2012, ThermaClime and its subsidiaries (collectively, the “Borrowers”) and the lender entered into an amendment to the Working Capital Revolver Loan, dated April 4, 2012, that continues to provide for advances based on specified percentages of eligible accounts receivable and inventories for ThermaClime and its subsidiaries. As amended, the Working Capital Revolver Loan matures on March 29, 2016, but could be extended to April 13, 2017 under certain conditions. The Working Capital Revolver Loan, as amended, accrues interest at a base rate (generally equivalent to the prime rate) plus .50% if borrowing availability is greater than $25 million, otherwise plus .75% (previously plus .50% only) or, at our option, accrues interest at LIBOR plus 1.50% if borrowing availability is greater than $25 million, otherwise plus 1.75% (previously plus 1.75% only). The interest rate at April 6, 2012 was 2.22% based on LIBOR. Interest continues to be paid monthly, if applicable.

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As amended, the Working Capital Revolver Loan provides for up to $15 million of letters of credit. All letters of credit outstanding reduce availability under the Working Capital Revolver Loan. As of April 6, 2012, amounts available for borrowing under the Working Capital Revolver Loan were approximately $49 million. Under the Working Capital Revolver Loan, as amended, the lender also continues to require the Borrowers to pay a letter of credit fee equal to 1% per annum of the undrawn amount of all outstanding letters of credit, an unused line fee equal to .25% per annum (previously .375% per annum) for the excess amount available under the Working Capital Revolver Loan not drawn and various other audit, appraisal and valuation charges.

The lender continues to have the ability to, upon an event of default, as defined, terminate the Working Capital Revolver Loan and make the balance outstanding, if any, due and payable in full. The Working Capital Revolver Loan continues to be secured by the assets of all the ThermaClime entities other than EDN, but excluding the assets securing the Secured Term Loan, certain production equipment and facilities utilized by the Climate Control Business, and certain distribution-related assets of EDC. In addition, EDN is neither a borrower under, nor guarantor of, the Working Capital Revolver Loan. At March 31, 2012, the carrying value of the pledged assets was approximately $243 million.

The Working Capital Revolver Loan continues to require ThermaClime to meet a minimum fixed charge coverage ratio of not less than 1.10 to 1, but the maximum senior leverage coverage ratio of not greater than 4.50 to 1 and the EBITDA requirement of greater than $25 million financial covenants have been eliminated.

This requirement is to be measured on a fiscal year-end basis and as defined in the agreement. The Working Capital Revolver Loan continues to contain covenants that, among other things, limit the Borrowers’ (which does not include LSB) ability, without consent of the lender and with certain exceptions, to:

• incur additional indebtedness,

• incur liens,

• make restricted payments or loans to affiliates who are not Borrowers,

• engage in mergers, consolidations or other forms of recapitalization, or

• dispose assets.

However, pursuant to the Working Capital Revolver Loan amendment, such negative covenants were modified so as to provide the Borrowers with more flexibility in regards to such activities. Pursuant to certain agreements with the lender, all collections on accounts receivable are no longer made through a bank account in the name of the lender or their agent. As a result and compared to previous periods, we expect this change will reduce the amount of cash flow activity associated with the Working Capital Revolver Loan, which is also reported as cash flows from continuing financing activities.

Secured Term Loan – At March 31, 2012, the Secured Term Loan’s outstanding balance was $71.3 million. The Secured Term Loan requires quarterly principal payments of approximately $0.9 million, plus interest and a final balloon payment of $56.3 million due on March 29, 2016. At March 31, 2012, the stated interest rate on the Secured Term Loan includes a variable interest rate of approximately 3.47% on the principal amount of $47.5 million (the variable interest rate is based on three-month LIBOR plus 300 basis points, which rate is adjusted quarterly) and a fixed interest rate of 5.15% on the principal amount of $23.8 million. At March 31, 2012, the resulting weighted-average interest rate was approximately 4.03%.

The Secured Term Loan is secured by the real property and equipment located at our El Dorado and Cherokee Facilities. The carrying value of the pledged assets is approximately $73 million at March 31, 2012.

The Secured Term Loan borrowers are subject to numerous covenants under the agreement including, but not limited to, limitation on the incurrence of certain additional indebtedness and liens; limitations on mergers, acquisitions, dissolution and sale of assets; and limitations on declaration of dividends and distributions to LSB, all with certain exceptions. At March 31, 2012, the carrying value of the restricted net assets (including pledged assets) of ThermaClime and its subsidiaries was approximately $80 million. As defined in the agreement, the Secured Term Loan borrowers are also subject to a minimum fixed charge coverage ratio of not less than 1.10 to 1 and a maximum leverage ratio of not greater than 4.50 to 1. Both of these requirements are measured quarterly on a trailing twelve-month basis. As of March 31, 2012 and as defined in the agreement, Secured Term Loan borrowers’ fixed charge coverage ratio was 5.0 to 1 and the leverage ratio was 0.8 to 1.

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The maturity date of the Secured Term Loan can be accelerated by the lender upon the occurrence of a continuing event of default, as defined.

A prepayment premium equal to 1.0% of the principal amount prepaid is due to the lenders should the borrowers elect to prepay on or prior to March 29, 2014, however, this premium is eliminated thereafter.

Cross-Default Provisions - The Working Capital Revolver Loan agreement and the Secured Term Loan contain cross-default provisions. If ThermaClime fails to meet the financial covenants of either of these agreements, the lenders may declare an event of default.

Seasonality

We believe that our only significant seasonal products are fertilizer and related chemical products sold by our Chemical Business to the agricultural industry. The selling seasons for those products are primarily during the spring and fall planting seasons, which typically extend from March through June and from September through November in the geographical markets in which the majority of our agricultural products are distributed. As a result, our Chemical Business increases its inventory of agricultural products prior to the beginning of each planting season. In addition, the amount and timing of sales to the agricultural markets depend upon weather conditions and other circumstances beyond our control.

Related Party Transactions

Golsen Group

See discussion above under “Liquidity and Capital Resources-Dividends”.

Landmark Transaction

As approved by a special committee of our board of directors and pursuant to an agreement (the “Purchase Agreement”) entered into in September 2011, effective February 7, 2012, one of our subsidiaries, Prime Financial L.L.C. (“Prime”), purchased from Landmark Land Company, Inc. (“Landmark”) certain undeveloped real estate located in Laguna Vista, Texas (the “Texas Real Estate”) for the purchase price of approximately $2,500,000. The Purchase Agreement grants Prime put options to sell the Texas Real Estate to Landmark or to Gerald G. Barton (“Barton”), who is the chief executive officer and a substantial stockholder of Landmark. Prime may exercise a put option during the sixth year following Prime’s purchase of the Texas Real Estate. If a put option is exercised, the purchase price for the Texas Real Estate will be based on the original purchase price, plus a premium equal to a simple 10% annual return on the original purchase price beginning February 2012, subject to certain adjustments. The Purchase Agreement also grants Prime warrants to purchase up to 1,000,000 shares of Landmark’s common stock, at $1.00 per share. The right of Prime to acquire Landmark shares under any unexercised warrants shall terminate on the completed exercise of the put options. Also Landmark entered into a separate agreement (“GHP Use Agreement”) to use its reasonable efforts to use, where technically feasible, geothermal heating and air conditioning units manufactured by one of LSB’s subsidiaries on other Landmark properties in the development where the Texas Real Estate is located. For financial reporting purposes, no value from the purchase price was allocated to the put options or the GHP Use Agreement primarily because the estimated market value of the Texas Real Estate exceeded the purchase price and a minimal value from the purchase price was allocated to the warrants primarily because Landmark’s common stock is lightly traded on the Over-the-Counter Bulletin Board with a minimal price per share (Landmark’s average closing price per share was approximately $0.11 over the twelve-month period ended February 7, 2012). The above described transaction is in addition to the previously reported transaction with Landmark whereby Prime purchased from a subsidiary of Landmark real estate located in Oklahoma City, Oklahoma during 2011.

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Jack E. Golsen (“Golsen”) and another individual previously formed a limited liability company (“LLC”), and each contributed $1,000,000 to the LLC. The LLC subsequently loaned Landmark approximately $2,000,000. In March 2011, Golsen sold his membership interest in the LLC to Barton in consideration for a promissory note in the principal amount of approximately $1,100,000, representing the amount that Golsen had invested in the LLC, plus interest (the “Barton Note”). The Barton Note was due and payable in June 2011. Pursuant to the terms of the Purchase Agreement, until the expiration of the put option, no payment will be made on the Barton Note and payment of the amounts owing under the Barton Note will be subordinate to any amounts owing Prime upon the exercise of a put option. Further, Golsen has agreed under the Purchase Agreement that no portion of the purchase price shall be used by Landmark to repay any indebtedness owing to Golsen.

In addition, Bernard Ille, one of our directors, served as a director of Landmark for many years until he resigned in March 2011. In light of the Barton Note and Mr. Ille’s past relationship with Landmark, our board of directors appointed a special committee for the purpose of reviewing and determining whether Prime should purchase the Texas Real Estate. The special committee believed, based on an analysis of a real estate consultant, that the price paid for the Texas Real Estate approximated the market value, and also believed that this property, when developed, has the potential to establish a model geothermal community.

Results of Operations

Three months ended March 31, 2012 compared to three months ended March 31, 2011

Climate Control Business

The following table contains certain information about our net sales, gross profit and operating income in our Climate Control segment for the three months ended March 31,

	2012			2011			Change			Percentage Change
	(Dollars In Thousands)
Net sales:
Geothermal and water source heat pumps	$	40,773		$	42,571		$	(1,798	)		(4.2	)%
Hydronic fan coils		11,746			11,089			657			5.9	%
Other HVAC products		10,239			9,989			250			2.5	%
Total Climate Control	$	62,758		$	63,649		$	(891	)		(1.4	)%
Gross profit – Climate Control	$	19,446		$	21,486		$	(2,040	)		(9.5	)%
Gross profit percentage – Climate Control (1)		31.0	%		33.8	%		(2.8	)%
Operating income – Climate Control	$	5,838		$	8,441		$	(2,603	)		(30.8	)%

(1) As a percentage of net sales

Net Sales – Climate Control

• Net sales of our geothermal and water source heat pump products decreased primarily as a result of a 9% decline in sales of our residential products, primarily due to the softness in the single-family residential construction market. Sales of our commercial/institutional products also declined by 2% due to the lower beginning backlog and order levels. During the first quarter of 2012, we continued to maintain a market share leadership position of approximately 40%, based on preliminary market data supplied by the Air-Conditioning, Heating and Refrigeration Institute (“AHRI”);

• Net sales of our hydronic fan coils increased primarily due to a 14% increase in the average unit sales price related to product mix partially offset by a 9% decrease in the number of units sold. During the first quarter of 2012, we continued to have a market share leadership position of approximately 28% based on preliminary market data supplied by the AHRI;

• Net sales of our other HVAC products in the first quarter of 2012 were slightly above the same period in 2011.

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Gross Profit – Climate Control

The decrease in gross profit in our Climate Control Business was primarily the result of the lower sales volume as discussed above. The gross profit percentage decline of 2.8% was primarily due to product mix, including a higher content of commercial products with lower gross margins than our residential products, higher raw material and component costs, and overhead absorption related to the lower sales volume.

Operating Income – Climate Control

Operating income decreased primarily as the result of the decrease in gross profit discussed above.

Chemical Business

The following table contains certain information about our net sales, gross profit and operating income in our Chemical segment for the three months ended March 31,

	2012			2011			Change			Percentage Change
	(Dollars In Thousands)
Net sales:
Agricultural products	$	60,336		$	51,101		$	9,235			18.1	%
Industrial acids and other chemical products		40,370			36,843			3,527			9.6	%
Mining products		23,499			23,487			12			—	%
Total Chemical	$	124,205		$	111,431		$	12,774			11.5	%
Gross profit – Chemical	$	23,998		$	31,468		$	(7,470	)		(23.7	)%
Gross profit percentage – Chemical (1)		19.3	%		28.2	%		(8.9	) %
Operating income – Chemical	$	20,347		$	29,098		$	(8,751	)		(30.1	)%

(1) As a percentage of net sales

Net Sales - Chemical

Our Chemical Business reported an 11.5% sales increase for the first quarter of 2012 as a result of the following:

• Agricultural products sales - Agricultural products sales increased $9.2 million, or 18%, primarily due to increased sales volumes and selling prices for agricultural grade AN and ammonia, partially offset by lower sales of UAN. The increase in agricultural grade AN and ammonia sales was driven by an increase in market demand for crop nutrients, strong grain commodity prices, and an early start to the spring fertilizer application season due to seasonally warm temperatures. Despite strong customer demand, our UAN sales decreased due to lower volumes at our Pryor Facility as a result of the planned and unplanned downtime.

• Industrial acids and other chemical products sales - Industrial acids and other products sales increased $3.5 million, or 10%, primarily due to improved economic conditions in our customers’ markets.

• Mining products sales - Mining products sales were approximately the same while volumes decreased. Our industrial grade AN is primarily sold to one customer pursuant to a multi-year supply contract in which the customer agrees to purchase, and we agree to reserve certain minimum volumes. The customer took less than the minimum quantity of product as defined in the contract. Pursuant to the terms of the contract, the customer was invoiced for both product taken and for the reserved plant production capacity that was not utilized.

Gross Profit - Chemical

The decrease in gross profit of $7.5 million includes the cumulative impact of $13.1 million from the planned and unplanned downtime at our Pryor Facility as discussed above under “Downtime at Pryor Facility – First Quarter of 2012”, partially offset by improved agricultural UAN margins through our Cherokee Facility due to increased selling prices and lower natural gas input costs.

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Operating Income - Chemical

In addition to the decrease in gross profit of $7.5 million discussed above, our Chemical Business’ operating income included other income of $0.7 associated with litigation settlements in the first quarter of 2011.

Other

The business operation classified as “Other” primarily sells industrial machinery and related components to machine tool dealers and end users. General corporate expenses and other business operations, net consist of unallocated portions of gross profit, SG&A, other income and other expense. The following table contains certain information about our net sales and gross profit classified as “Other” and general corporate expenses and other business operations, net, for the three months ended March 31,

	2012			2011			Change			Percentage Change
	(Dollars In Thousands)
Net sales – Other	$	3,282		$	2,413		$	869			36.0	%
Gross profit – Other	$	1,000		$	900		$	100			11.1	%
Gross profit percentage – Other (1)		30.5	%		37.3	%		(6.8	)%
General corporate expense and other business operations, net	$	(3,103	)	$	(3,502	)	$	399			(11.4	)%

(1) As a percentage of net sales

Provision For Income Taxes

The provision for income taxes for the first quarter of 2012 was $7.8 million compared to $11.7 million for the first quarter of 2011. The resulting effective tax rate for the first quarter of 2012 was 35% compared to 36% for the same period in 2011.

Cash Flow From Continuing Operating Activities

Historically, our primary cash needs have been for operating expenses, working capital and capital expenditures. We have financed our cash requirements primarily through internally generated cash flow, secured asset financing and the sale of assets. See additional discussions concerning cash flow relating to our Climate Control and Chemical Businesses under “Overview” and “Liquidity and Capital Resources” of this MD&A.

For the first quarter of 2012, net cash provided by continuing operating activities was $11.1 million primarily as the result of net income of $14.3 million plus an adjustment of $5.1 million for depreciation and amortization and $3.0 million for losses on firm sales commitments partially offset by net cash used by the following significant changes in assets and liabilities:

Inventories increased $9.1 million including:

• an increase of $5.0 million relating to the Chemical Business primarily relating to higher levels of inventory on hand in anticipation of higher demand associated with the spring fertilizer season and

• an increase of $4.3 million relating to the Climate Control Business due primarily to higher levels of inventory on hand in anticipation of higher product sales in the second quarter and, to a lesser extent, rising commodity and component prices during the first quarter.

The change in prepaid and accrued income taxes of $1.7 million primarily relates to the recognition of higher income taxes for the first quarter of 2012 partially offset by payments made to the taxing authorities.

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Other supplies and prepaid items decreased $1.2 million including:

• a decrease of $1.7 million due primarily to a lower volume on hand of precious metal used by the Chemical Business,

• a decrease of $1.7 million of prepaid insurance as the result of recognizing the related insurance expenses for the first quarter of 2012 partially offset by

• an increase of $1.2 million of supplies relating to the Chemical Business due, in part, to expanding our spare parts inventory.

Accounts payable decreased $5.6 million including:

• a decrease of $6.7 million in the Chemical Business primarily as the result of lower costs of certain raw material purchases partially offset by

• an increase of $1.1 million in the Climate Control Business due primarily to increased levels of inventory on hand in anticipation of higher future product sales as discussed above partially offset by timing of invoice payments.

Cash Flow from Continuing Investing Activities

Net cash used by continuing investing activities for the first quarter of 2012 was $15.6 million that consisted primarily of capital expenditures of which $1.0 million and $12.1 million are for the benefit of our Climate Control and Chemical Businesses, respectively.

Cash Flow from Continuing Financing Activities

Net cash used by continuing financing activities was $7.0 million that primarily consisted of payments on long-term debt, loans and short-term financing.

Critical Accounting Policies and Estimates

See our discussion on critical accounting policies and estimates in Item 7 of our 2011 Form 10-K. In addition, the preparation of financial statements requires management to make estimates and assumptions that affect the reported amount of assets, liabilities, revenues and expenses, and disclosures of contingencies. For the first quarter of 2012, we did not experience a material change in accounting estimates. However, it is reasonably possible that the estimates and assumptions utilized as of March 31, 2012 could change in the near term.

Performance and Payment Bonds

We are contingently liable to sureties in respect of certain insurance bonds issued by the sureties in connection with certain contracts entered into by certain subsidiaries in the normal course of business. These insurance bonds primarily represent guarantees of future performance of our subsidiaries. As of March 31, 2012, we have agreed to indemnify the sureties for payments, up to $12.9 million, made by them in respect of such bonds. All of these insurances bonds are expected to expire or be renewed in 2012.

Off-Balance Sheet Arrangements

We do not have any off-balance sheet arrangements as defined in Item 303(a)(4)(ii) of Regulation S-K under the Securities Exchange Act of 1934, as amended.

Aggregate Contractual Obligations

In the operation of our businesses, we enter into contracts, leases and borrowing arrangements. As discussed in our 2011 Form 10-K, we had certain contractual obligations, with various maturity dates, related to the following:

• long-term debt,

• interest payments on long-term debt,

• interest rate contracts,

• capital expenditures,

• wastewater pipeline project,

• operating leases,

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• firm purchase commitments and futures/forward contracts,

• contractual obligations – carbon credits

• accrued contractual manufacturing and profit sharing obligations, and

• other contractual obligations.

As discussed under “Liquidity and Capital Resources”, ThermaClime and its subsidiaries and the lender entered into an amendment to the Working Capital Revolver Loan that continues to provide for advances up to $50 million subject to the amount of our eligible collateral and outstanding letters of credit. As amended, the Working Capital Revolver Loan matures on March 29, 2016, but could be extended to April 13, 2017 under certain conditions.

As discussed below under “Forward Sales Commitments Risk” of Item 3, we recognized an embedded loss of $3.0 million associated with sales commitments with firm sales prices in our Chemical Business.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

General

Our results of operations and operating cash flows are impacted by changes in market prices of copper, steel, anhydrous ammonia and natural gas, changes in market currency exchange rates, and changes in market interest rates.

Forward Sales Commitments Risk

Periodically, our Climate Control and Chemical Businesses enter into forward firm sales commitments for products to be delivered in future periods. As a result, we could be exposed to embedded losses should our product costs exceed the firm sales prices. At March 31, 2012, we had $3.0 million of embedded losses associated with sales commitments with firm sales prices in our Chemical Business relating to our expected inability to produce the necessary amount of product at the Pryor Facility as the result of the unplanned downtime discussed above under “Overview” in the MD&A.

Commodity Price Risk

Our Climate Control Business buys substantial quantities of copper and steel for use in manufacturing processes and our Chemical Business buys substantial quantities of anhydrous ammonia and natural gas as feedstocks generally at market prices. As part of our raw material price risk management, periodically, our Climate Control Business enters into futures contracts for copper and our Chemical Business enters into firm purchase commitments and/or futures/forward contracts for anhydrous ammonia and natural gas.

At March 31, 2012, our futures/forward copper contracts were for 625,000 pounds of copper through December 2012 at a weighted-average cost of $3.59 per pound ($2.2 million) and a weighted-average market value of $3.84 per pound ($2.4 million), which contracts are generally accounted for on a mark-to-market basis.

Periodically, certain subsidiaries within the Chemical Business entered into contracts to purchase natural gas for anticipated production needs. Since these contracts are considered normal purchases because they provide for the purchase of natural gas that will be delivered in quantities expected to be used over a reasonable period of time in the normal course of business and are documented as such, these contracts are exempt from the accounting and reporting requirements relating to derivatives. At March 31, 2012, our purchase commitments under these contracts were for approximately 1.5 million MMBtu of natural gas through October 2012 at the weighted-average cost of $3.38 per MMBtu ($5.2 million) and a weighted-average market value of $2.27 per MMBtu ($3.5 million).

Interest Rate Risk

Our interest rate risk exposure results from our debt portfolio which is impacted by short-term rates, primarily variable-rate borrowings from commercial banks, and long-term rates, primarily fixed-rate notes, some of which prohibit prepayment or require a substantial premium payment with the prepayment.

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As part of our interest rate risk management, we periodically purchase and/or enter into various interest rate contracts. At March 31, 2012, we had an interest rate swap, which set a fixed three-month LIBOR rate of 3.24% on $25 million and matured in April 2012. Also, we had an interest rate swap, which set a fixed three-month LIBOR rate of 3.595% on $25 million and matured in April 2012. In addition, we have an interest rate swap, which sets a fixed three-month LIBOR of 3.23% on a declining balance (from $23.8 million to $18.8 million) for the period beginning April 2012 through March 2016. These contracts are free-standing derivatives and are accounted for on a mark-to-market basis. At March 31, 2012, the fair value of these contracts (unrealized loss) was $2.0 million.

As of March 31, 2012 and December 31, 2011, the estimated fair value of our variable and fixed rate debt was not significantly different than the debt’s carrying value.

Item 4. Controls and Procedures

As of the end of the period covered by this report, we carried out an evaluation, with the participation of our Principal Executive Officer and Principal Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15 under the Securities Exchange Act of 1934). Based upon that evaluation, our Principal Executive Officer and our Principal Financial Officer have concluded that our disclosure controls and procedures were effective. There were no changes to our internal control over financial reporting during the quarter ended March 31, 2012 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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SPECIAL NOTE REGARDING

FORWARD-LOOKING STATEMENTS

Certain statements contained within this report may be deemed “Forward-Looking Statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements in this report other than statements of historical fact are Forward-Looking Statements that are subject to known and unknown risks, uncertainties and other factors which could cause actual results and performance of the Company to differ materially from such statements. The words “believe”, “expect”, “anticipate”, “intend”, and similar expressions identify Forward-Looking Statements. Forward-Looking Statements contained herein relate to, among other things:

• the U.S. economy is poised for modest growth;

• shipping substantially all of the orders of our Climate Control Business’ backlog within the next twelve months;

• the Climate Control Business to experience low to moderate sales growth in the short-term;

• the repair period of the urea plant within the Pryor Facility is expected to extend through most of June 2012;

• the weekly cost of the downtime of the urea plant within the Pryor Facility;

• our primary cash needs will be for working capital to fund our operations, capital expenditures, and general obligations for the remainder of 2012;

• funding our cash needs from internally generated cash flows and cash on hand for the remainder of 2012;

• internally generated cash flows and liquidity could be affected by declines in sales volume;

• we do not have any material uncertain tax positions other than the failure to file original or amended state income tax returns in some jurisdictions where LSB or some of its subsidiaries may have a filing responsibility;

• most of the approved planned capital expenditures will likely be funded from working capital and internal cash flows;

• expenses in connection with environmental regulatory issues for the remainder of 2012;

• accounting estimates and assumptions utilized as of March 31, 2012 could change in the near term;

• our insurance bonds to expire or be renewed in 2012;

• the amount of committed and planned capital expenditures for the remainder of 2012;

• the amount and timing of Turnarounds for the remainder of 2012;

• the amount of advanced manufacturing energy credits to be utilized to partially offset our federal tax liability for 2011 and 2012;

• the amount of capital expenditures necessary in order to bring the equipment into compliance with the Clean Air Act could be substantial;

• meeting all required covenant tests for all the remaining quarters of 2012; and

• costs relating to environmental and health laws and enforcement policies thereunder.

While we believe the expectations reflected in such Forward-Looking Statements are reasonable, we can give no assurance such expectations will prove to have been correct. There are a variety of factors which could cause future outcomes to differ materially from those described in this report, including, but not limited to,

• changes in general economic conditions, both domestic and foreign,

• material reduction in revenues,

• material changes in interest rates,

• ability to collect in a timely manner a material amount of receivables,

• increased competitive pressures,

• changes in federal, state and local laws and regulations, especially environmental regulations, the American Reinvestment and Recovery act, or interpretation of such,

• releases of pollutants into the environment exceeding our permitted limits,

• material increases in equipment, maintenance, operating or labor costs not presently anticipated,

• the requirement to use internally generated funds for purposes not presently anticipated,

• the inability to pay or secure additional financing for planned capital expenditures or financing obligations coming due in the near term,

46

• material changes in the cost of certain precious metals, anhydrous ammonia, natural gas, copper, steel and purchased components,

• changes in competition,

• the loss of any significant customer,

• changes in operating strategy or development plans,

• inability to fund the working capital and expansion of our businesses,

• problems with product equipment,

• changes in the production efficiency of our facilities,

• adverse results in our contingencies including pending litigation,

• changes in production rates at the Pryor Facility,

• inability to obtain necessary raw materials and purchased components,

• material changes in accounting estimates,

• significant problems with our production equipment,

• fire or natural disasters,

• inability to obtain or retain our insurance coverage,

• inability to negotiate a satisfactory settlement with the EPA and/or DOJ,

• claims by customers as a result of downtime of production at our Pryor Facility,

• other factors described in the MD&A contained in this report, and

• other factors described in “Risk Factors” and “Special Note Regarding Forward-Looking Statements” contained in our 2011 Form 10-K and “Risk Factors” of Item 1A of Part II of this Form 10-Q.

Given these uncertainties, all parties are cautioned not to place undue reliance on such Forward-Looking Statements. We disclaim any obligation to update any such factors or to publicly announce the result of any revisions to any of the Forward-Looking Statements contained herein to reflect future events or developments.

47

PART II

OTHER INFORMATION

Item 1. Legal Proceedings

There are no material legal proceedings or material developments in any such legal proceedings pending against us not reported in Item 3 of our 2011 Form 10-K, except as follows:

As previously disclosed, during January 2010, EDC received an Administrative Order from the EPA noting certain violations of the 2004 NPDES permit and requesting EDC to demonstrate compliance with the permit or provide a plan and schedule for returning to compliance. EDC provided a response which states that the El Dorado Facility is in compliance with the permit, except for an occasional difficulty demonstrating consistent compliance with the more restrictive dissolved minerals permit limits; that the El Dorado Facility expects to be able to maintain compliance, except for the occasional difficulty demonstrating consistent compliance with the more restrictive dissolved mineral permit limits, and that a majority of the alleged violations were resolved through a consent administrative order with the ADEQ. In June 2011, EDC received an Administrative Complaint from the EPA reciting past violations of the 2004 NPDES permit that had not been addressed by previous ADEQ Consent Administrative Orders and seeking a penalty of $124,000 for alleged violations through December 31, 2010. In December 2011, EDC was notified by the EPA that the matter has been taken over by the United States Department of Justice (“DOJ”), the current Administrative Complaint will be withdrawn, and the EPA and DOJ will handle this as a joint enforcement matter. During the first quarter of 2012, this matter was settled by which EDC will pay $100,000 to settle the alleged violations occurring on or prior to December 31, 2010. The EPA has indicated that any violation that occurred after December 31, 2010, will be addressed at a later date.

As previously disclosed, the EPA has sent information requests to most, if not all, of the operators of nitric acid plants in the United States, including our El Dorado and Cherokee Facilities and the Baytown Facility operated by EDN, under Section 114 of the Clean Air Act as to construction and modification activities at each of these facilities over a period of years to determine whether these facilities are in compliance with certain provisions of the Clean Air Act. If it were determined that the equipment at any of our chemical facilities has not met the requirements of the Clean Air Act, our Chemical Business could be subject to penalties in an amount not to exceed $27,500 per day as to each facility not in compliance and be required to retrofit each facility with the “best available control technology.”

After a review by our Chemical Business of these facilities in obtaining information for the EPA pursuant to the EPA’s request, our Chemical Business management believes that certain facilities within our Chemical Business may be required to make capital improvements to emission equipment in order to comply with the requirements of the Clean Air Act. During the first quarter of 2012, our Chemical Business provided to the EPA a proposed global settlement offer in connection with this matter, which settlement offer would require implementation of additional pollution controls to be installed over a period of time in each of our ten affected nitric acid plants to achieve certain proposed emission rates. The proposal also offered to negotiate a modest civil penalty but did not provide an amount of any proposed civil penalty. Since the specific types of pollution controls necessary to meet the proposed emission rates at each plant have not been determined, the total capital cost to achieve the proposed emission rates has not been determined with any degree of accuracy; however, the total capital cost could be significant.

The DOJ, on behalf of the EPA, has responded in writing to our proposed global settlement offer and advised in its response which of our proposals are acceptable and not acceptable and certain other provisions that the United States would require in a global settlement. The DOJ’s response also provided that they will require, among other things, that we pay an appropriate civil penalty to the United States and participating state parties, with the amount to be determined after the parties have reached agreement on the core components of a consent decree, and that any settlement is contingent upon the incorporation of the settlement terms into a definitive consent decree acceptable to the parties. We are currently considering the DOJ’s response and anticipate that we will be responding in an allowable time frame.

48

Item 1A. Risk Factors

There are no material changes from the risk factors as previous disclosed in Item 1A to Part I of our 2011 Form 10-K, except as follows:

“Our previously idled Pryor Facility has a limited operating history and has experienced substantial downtime in 2011 and the first four months of 2012.

During the fourth quarter of 2010, our Pryor Facility, which had previously been idle for a number of years, reached sustained production of anhydrous ammonia. Subsequently, the Pryor Facility reached sustained production of UAN. However, the Pryor Facility has experienced substantial downtime in 2011 and the first four months of 2012 due to unplanned and planned maintenance and repairs to correct equipment and operational issues. Repairs of the urea plant at the Pryor Facility are not expected to be completed until late June 2012. Our ability to operate the Pryor Facility at consistent production levels for extended periods is unknown due to this facility’s limited operating history and equipment reliability issues.”

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

During the first quarter of 2012, we issued 2,720 shares of common stock upon the holders’ conversion of 68 shares of our noncumulative redeemable preferred stock (“Noncumulative Preferred”). Pursuant to the terms of the Noncumulative Preferred, the conversion rate was 40 shares of common stock for each share of Noncumulative Preferred. The common stock was issued pursuant to the exemption from the registration of securities afforded by Section 3(a)(9) of the Securities Act. No commissions or other remuneration was paid for this issuance. We did not receive any proceeds upon the conversion of the Noncumulative Preferred.

Purchases of Equity Securities by the Issuer and Affiliated Purchasers

During the three months ended March 31, 2012, the Company and affiliated purchasers, as defined, purchased its Noncumulative Preferred as shown in the following table:

Period	(a) Total number of shares of preferred stock acquired (1)		(b) Average price paid per share (1)		(c) Total number of shares purchased as as part of publicly announced plans or programs		(d) Maximum number (or approximate dollar value) of shares that may yet be purchased under the plans or programs
January 1, 2012 - January 31, 2012		—	$	—		—
February 1, 2012 - February 29, 2012		—	$	—		—
March 1, 2012 - March 31, 2012		393	$	100.00		393
Total		393	$	100.00		393		—

(1) As previously reported, on March 14, 2012 (the “Redemption Date”), LSB completed the redemption of all of its Noncumulative Preferred, par value $100 per share. The redemption price was $100.00 per share or $50.00 for a fractional one-half share of the Noncumulative Preferred. A total of 393 shares of Noncumulative Preferred were redeemed for an aggregate redemption price of approximately $39,300. As of the Redemption Date, all rights of holders of the Noncumulative Preferred terminated, except the right to receive the Redemption Price. As of March 31, 2012, no shares of Noncumulative Preferred remain outstanding.

49

Item 3. Defaults upon Senior Securities

Not applicable

Item 4. Mine Safety Disclosures

Not applicable

Item 5. Other Information

Not applicable

Item 6. Exhibits

(a) Exhibits The Company has included the following exhibits in this report:

4.1	Fifth Amendment to the Amended and Restated Loan and Security Agreement, dated as of April 4, 2012, by and among LSB Industries, Inc., Consolidated Industries Corp., ThermaClime, L.L.C.. and each of its subsidiaries that are Signatories, the Lenders signatory thereto and Wells Fargo Capital Finance, Inc., as arranger and administrative agent for the Lenders, which the Company hereby incorporates by reference from Exhibit 99.1 to the Company’s Form 8-K, filed April 9, 2012.
4.2	Amendment Number Two to the Amended and Restated Term Loan Agreement, dated as of April 4, 2012, among LSB Industries, Inc., ThermaClime, L.L.C. and certain subsidiaries of ThermaClime, L.L.C., Cherokee Nitrogen Holdings, Inc., Consolidated Industries Corp., the Required Lenders signatory thereto, Banc of America Leasing & Capital, LLC as the Administrative and Collateral Agent, and Bank of Utah as Payment Agent, which the Company hereby incorporates by reference from Exhibit 99.2 to the Company’s Form 8-K, filed April 9, 2012.
4.3	Redemption Notice for Convertible Noncumulative Preferred Stock, dated February 21, 2012, which the Company hereby incorporates by reference from Exhibit 99.1 to the Company’s Form 8-K, filed February 27, 2012.
10.1	Common Stock Purchase Warrant granted by Landmark Land Company to Prime Financial, L.L.C., dated February 7, 2012, which the Company hereby incorporates by reference from Exhibit 99.4 to the Company’s Form 8-K, filed February 16, 2012.
10.2	Geothermal Use Contract, between South Padre Island Development, LLC and Prime Financial, L.L.C., dated February 7, 2012, which the Company hereby incorporates by reference from Exhibit 99.5 to the Company’s Form 8-K, filed February 16, 2012.
10.3	Urea Ammonium Nitrate Purchase and Sale Agreement, dated May 7, 2009, between Pryor Chemical Company and Koch Nitrogen Company, LLC., which the Company hereby incorporates by reference from Exhibit 99.1 to the Company’s Form 8-K, filed May 13, 2009. CERTAIN INFORMATION WITHIN THIS EXHIBIT HAS BEEN OMITTED AS IT IS THE SUBJECT OF A COMMISSION ORDER CF #23659, DATED JUNE 9, 2009, GRANTING REQUEST BY THE COMPANY FOR CONFIDENTIAL TREATMENT BY THE SECURITIES AND EXCHANGE COMMISSION UNDER THE FREEDOM OF INFORMATION ACT.
10.4	Amendment No. 1 to Urea Ammonium Nitrate Purchase and Sale Agreement, dated October 29, 2009, between Pryor Chemical Company and Koch Nitrogen Company, LLC, which the Company hereby incorporates by reference from Exhibit 99.1 to the Company’s Form 8-K, filed November 4, 2009. CERTAIN INFORMATION WITHIN THIS EXHIBIT HAS BEEN OMITTED AS IT IS THE SUBJECT OF A COMMISSION ORDER CF #24284, DATED NOVEMBER 19, 2009, GRANTING REQUEST BY THE COMPANY FOR CONFIDENTIAL TREATMENT BY THE SECURITIES AND EXCHANGE COMMISSION UNDER THE FREEDOM OF INFORMATION ACT.
31.1	Certification of Jack E. Golsen, Chief Executive Officer, pursuant to Sarbanes-Oxley Act of 2002, Section 302.

50

31.2	Certification of Tony M. Shelby, Chief Financial Officer, pursuant to Sarbanes-Oxley Act of 2002, Section 302.
32.1	Certification of Jack E. Golsen, Chief Executive Officer, furnished pursuant to Sarbanes-Oxley Act of 2002, Section 906.
32.2	Certification of Tony M. Shelby, Chief Financial Officer, furnished pursuant to Sarbanes-Oxley Act of 2002, Section 906.
101.INS	XBRL Instance Document*
101.SCH	XBRL Taxonomy Extension Schema Document*
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document*
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document*
101.LAB	XBRL Taxonomy Extension Labels Linkbase Document*
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document*

* Pursuant to Rule 406T of Regulation S-T, the Interactive Data Files in Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Company has caused the undersigned, duly authorized, to sign this report on its behalf on this 9th day of May 2012.

LSB INDUSTRIES, INC.

/s/ Tony M. Shelby

        Tony M. Shelby

        Executive Vice President of Finance and Chief Financial Officer

        (Principal Financial Officer)

/s/ Harold L. Rieker, Jr.

        Harold L. Rieker, Jr.

        Vice President and Principal Accounting Officer

51

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Jack E. Golsen, certify that:

1. I have reviewed this quarterly report on Form 10-Q of LSB Industries, Inc. (the “registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in this case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 9, 2012

/s/ Jack E. Golsen

Jack E. Golsen

Chairman of the Board and

Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Tony M. Shelby, certify that:

1. I have reviewed this quarterly report on Form 10-Q of LSB Industries, Inc. (the “registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in this case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 9, 2012

/s/ Tony M. Shelby

Tony M. Shelby

Executive Vice President of Finance

and Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of LSB Industries, Inc. (“LSB”) on Form 10-Q for the period ended March 31, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”). I, Jack E. Golsen, Chairman of the Board and Chief Executive Officer of LSB, certify pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of LSB.

/s/ Jack E. Golsen

Jack E. Golsen

Chairman of the Board and

Chief Executive Officer

(Principal Executive Officer)

May 9, 2012

This certification is furnished to the Securities and Exchange Commission solely for purpose of 18 U.S.C. §1350 subject to the knowledge standard contained therein, and not for any other purpose.

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of LSB Industries, Inc. (“LSB”) on Form 10-Q for the period ended March 31, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Tony M. Shelby, Executive Vice President of Finance and Chief Financial Officer of LSB, certify pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of section 13 (a) or 15 (d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of LSB.

/s/ Tony M. Shelby

Tony M. Shelby

Executive Vice President of Finance and

Chief Financial Officer

(Principal Financial Officer)

May 9, 2012

This certification is furnished to the Securities and Exchange Commission solely for purpose of 18 U.S.C. §1350 subject to the knowledge standard contained therein and not for any other purpose.

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Current and Noncurrent Accrued and Other Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010
Summary of current and noncurrent accrued and other liabilities
Deferred revenue on extended warranty contracts	$ 6,636	$ 6,461
Accrued payroll and benefits	6,145	7,267
Accrued warranty costs	5,616	5,370	4,284	3,996
Customer deposits	4,979	4,505
Accrued death benefits	4,007	4,017
Accrued losses on firm sales commitments	2,984
Accrued group health and workers' compensation insurance claims	2,452	2,535
Fair value of derivatives and other	2,013	2,283
Accrued contractual profit-sharing obligation	1,520	1,478
Accrued contractual manufacturing obligations	1,464	1,613
Accrued executive benefits	1,299	1,262
Accrued commissions	1,253	1,016
Other	5,146	6,109
Total current and noncurrent accrued liabilities	45,514	43,916
Less noncurrent portion	15,492	15,239
Current portion of accrued and other liabilities	$ 30,022	$ 28,677

XML

Segment Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
General corporate expenses and other business operations, net
Gross profit-Other	$ 44,444	$ 53,854
Selling, general and administrative:
Total selling, general and administrative	(21,391)	(20,585)
Other income	236	872
Other expense	(167)	(62)
Operating income	23,082	34,037
Other [Member]
General corporate expenses and other business operations, net
Gross profit-Other	1,000	900
Selling, general and administrative:
Personnel costs	(2,082)	(1,610)
Professional fees	(1,404)	(1,142)
All other	(803)	(1,694)
Total selling, general and administrative	(4,289)	(4,446)
Other income	186	47
Other expense		(3)
Operating income	$ (3,103)	$ (3,502)

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Derivatives, Hedges, Financial Instruments and Carbon Credits (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Total net gains (losses) included in earnings:
Derivative instruments and carbon credits, gains and losses recognized in earnings	$ 46	$ (449)
Derivative instruments and carbon credits change in unrealized gains and losses recognized in earnings	412	(12)
Cost of Sales [Member] | Commodities Contracts [Member]
Total net gains (losses) included in earnings:
Derivative instruments and carbon credits, gains and losses recognized in earnings	142	(151)
Derivative instruments and carbon credits change in unrealized gains and losses recognized in earnings	142	(82)
Cost of Sales [Member] | Foreign Exchange Contracts [Member]
Total net gains (losses) included in earnings:
Derivative instruments and carbon credits, gains and losses recognized in earnings		40
Derivative instruments and carbon credits change in unrealized gains and losses recognized in earnings		18
Other Income [Member] | Carbon Credits [Member]
Total net gains (losses) included in earnings:
Derivative instruments and carbon credits, gains and losses recognized in earnings		40
Other Expense [Member] | Contractual obligations relating to carbon credits [Member]
Total net gains (losses) included in earnings:
Derivative instruments and carbon credits, gains and losses recognized in earnings		(40)
Interest Expense [Member] | Interest Rate Contracts [Member]
Total net gains (losses) included in earnings:
Derivative instruments and carbon credits, gains and losses recognized in earnings	(96)	(338)
Derivative instruments and carbon credits change in unrealized gains and losses recognized in earnings	$ 270	$ 52

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Segment Information (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Total assets
Total assets	$ 504,994	$ 502,009
Climate Control [Member]
Total assets
Total assets	123,694	119,323
Chemical [Member]
Total assets
Total assets	227,128	214,246
Corporate assets and other [Member]
Total assets
Total assets	$ 154,172	$ 168,440

XML

Derivatives, Hedges, Financial Instruments and Carbon Credits (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Liabilities - Current and noncurrent accrued and other liabilities:
Total	$ 2,013	$ 2,283
Recurring [Member]
Assets - Supplies, prepaid items and other:
Total	195	53
Liabilities - Current and noncurrent accrued and other liabilities:
Total	2,013	2,283
Recurring [Member] | Commodities Contracts [Member]
Assets - Supplies, prepaid items and other:
Derivative Assets	153	11
Recurring [Member] | Carbon Credits [Member]
Assets - Supplies, prepaid items and other:
Carbon credits	42	42
Liabilities - Current and noncurrent accrued and other liabilities:
Contractual obligations - carbon credits	42	42
Recurring [Member] | Interest Rate Contracts [Member]
Liabilities - Current and noncurrent accrued and other liabilities:
Derivative Financial Instruments, Liabilities	1,971	2,241
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets - Supplies, prepaid items and other:
Total	153
Liabilities - Current and noncurrent accrued and other liabilities:
Total
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Commodities Contracts [Member]
Assets - Supplies, prepaid items and other:
Derivative Assets	153
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Carbon Credits [Member]
Liabilities - Current and noncurrent accrued and other liabilities:
Contractual obligations - carbon credits
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Interest Rate Contracts [Member]
Liabilities - Current and noncurrent accrued and other liabilities:
Derivative Financial Instruments, Liabilities
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets - Supplies, prepaid items and other:
Total
Liabilities - Current and noncurrent accrued and other liabilities:
Total	1,971
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Commodities Contracts [Member]
Assets - Supplies, prepaid items and other:
Derivative Assets
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Carbon Credits [Member]
Assets - Supplies, prepaid items and other:
Carbon credits
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Contracts [Member]
Liabilities - Current and noncurrent accrued and other liabilities:
Derivative Financial Instruments, Liabilities	1,971
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets - Supplies, prepaid items and other:
Total	42
Liabilities - Current and noncurrent accrued and other liabilities:
Total	42
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Carbon Credits [Member]
Assets - Supplies, prepaid items and other:
Carbon credits	42
Liabilities - Current and noncurrent accrued and other liabilities:
Contractual obligations - carbon credits	$ 42

XML

Summary of Significant Accounting Policies (Details)	3 Months Ended
	Mar. 31, 2012
Summary of Significant Accounting Policies (Textual) [Abstract]
Maturity period of short-term investments	13 weeks
Tax benefit recognized	Greater than 50%
Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest in Equity Method Investment	20.00%
Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest in Equity Method Investment	50.00%

XML

Subsequent Events (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 06, 2012
Subsequent Events (Textual) [Abstract]
Original Working capital revolver loan requirements eliminated due to amendment	The maximum senior leverage coverage ratio of not greater than 4.50 to 1 and the EBITDA requirement of greater than $25 million financial covenants
Working Capital Revolver Loan [Member]
Subsequent Events (Textual) [Abstract]
Amended Working capital revolver loan requirements	EBITDA requirement of greater than $25 million; a minimum fixed charge coverage ratio of not less than 1.10 to 1; and a maximum senior leverage coverage ratio of not greater than 4.50 to 1.
Debt Amended [Member] | Working Capital Revolver Loan [Member]
Subsequent Events (Textual) [Abstract]
Original Loan maturity date	Apr. 13, 2012
Loan Amendment Date	Apr. 04, 2012
Amended loan maturity date	Mar. 29, 2016
Amended Working Capital Revolver Loan conditional maturity date extension	Apr. 13, 2017
Line of credit facility, interest rate		2.22%
Description of Interest rate of Revolving Credit Facility	Interest at a base rate (generally equivalent to the prime rate) plus .50% if borrowing availability is greater than $25 million, otherwise plus .75% (previously plus .50% only) or LIBOR plus 1.50% if borrowing availability is greater than $25 million, otherwise plus 1.75% (previously plus 1.75% only)
Letter of credit maximum capacity	$ 15
Remaining borrowing capacity of revolving credit facility		49
Fees Expressed as percentage for unused letters of credit	1.00%
Fees expressed as percentage for unused revolving credit facility	0.25%
Original fees expressed as percentage for unused revolving credit facility	0.375%
Carrying value of the pledged assets	$ 243
Amended Working capital revolver loan requirements	a minimum fixed charge coverage ratio of not less than 1.10 to 1,

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Inventories (Tables)

3 Months Ended

Mar. 31, 2012

Inventory [Abstract]

Changes In the Inventory Reserves

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Balance at beginning of period	$	1,783		$	1,793
Provision for (realization of) losses		5			(15	)
Write-offs and disposals		(83	)		(3	)
Balance at end of period	$	1,705		$	1,775

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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Current:
Federal	$ 5,390	$ 9,148
State	1,075	2,546
Total Current	6,465	11,694
Deferred:
Federal	1,171	(36)
State	166	(1)
Total Deferred	1,337	(37)
Provisions for income taxes	$ 7,802	$ 11,657

XML

Long Term Debt (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Long-Term Debt
Long-term debt	$ 76,021	$ 79,460
Less current portion of long-term debt	4,773	4,935
Long-term debt due after one year	71,248	74,525
Working Capital Revolver Loan due 2012 [Member]
Long-Term Debt
Long-term debt
Secured Term Loan due 2012 [Member]
Long-Term Debt
Long-term debt	71,250	72,188
Other long-term debt [Member]
Long-Term Debt
Long-term debt	$ 4,771	$ 7,272

XML

Inventories (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Changes In the Inventory Reserves
Balance at beginning of period	$ 1,783	$ 1,793
Provisions for (realization of) losses	5	(15)
Write-offs and disposals	(83)	(3)
Balance at end of period	$ 1,705	$ 1,775

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Other Expense, Other Income and Non-Operating Other Income, net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Other expense:
Total other expense	$ 167	$ 62
Other Operating Income:
Settlements of litigation and potential litigation		747
Miscellaneous Income, Operating	236	125
Total other income	236	872
Non-operating other income, net:
Interest income	24	24
Miscellaneous expense, Non-Operating	(19)	(17)
Total non-operating other income, net	$ 5	$ 7

XML

Derivatives, Hedges, Financial Instruments and Carbon Credits (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Assets
Beginning balance	$ 42	$ 644
Transfers into Level 3
Transfers out of Level 3
Total realized and unrealized gains (loss) included in earnings		40
Purchases
Issuances
Sales		(673)
Settlements
Ending balance	42	11
Liabilities
Beginning balance	(42)	(644)
Transfers into Level 3
Transfers out of Level 3
Total realized and unrealized gains (loss) included in earnings		(40)
Purchases
Issuances
Sales
Settlements		684
Ending balance	$ (42)

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Income Per Common Share

3 Months Ended

Mar. 31, 2012

Income Per Common Share [Abstract]

Income Per Common Share

Note 2: Income Per Common Share

The following table sets forth the computation of basic and diluted net income per common share:

(Dollars In Thousands, Except Per Share Amounts)

	Three Months Ended March 31,
	2012			2011
Numerator:
Net income	$	14,303		$	20,903
Dividends on Series B Preferred		(240	)		(240	)
Dividends on Series D Preferred		(60	)		(60	)
Dividends on Noncumulative Preferred		—			(5	)
Total dividends on preferred stocks		(300	)		(305	)
Numerator for basic net income per common share - net income applicable to common stock		14,003			20,598
Dividends on preferred stocks assumed to be converted, if dilutive		300			305
Interest expense including amortization of debt issuance costs, net of income taxes, on convertible debt assumed to be converted, if dilutive		—			265
Numerator for diluted net income per common share	$	14,303		$	21,168
Denominator:
Denominator for basic net income per common share - weighted-average shares		22,323,780			21,179,800
Effect of dilutive securities:
Convertible preferred stocks		918,026			935,626
Stock options		281,714			355,681
Convertible notes payable		—			973,292
Dilutive potential common shares		1,199,740			2,264,599
Denominator for diluted net income per common share - adjusted weighted-average shares and assumed conversions		23,523,520			23,444,399
Basic net income per common share	$	.63		$	.97
Diluted net income per common share	$	.61		$	.90

The following weighted-average shares of securities were not included in the computation of diluted net income per common share as their effect would have been antidilutive:

	Three Months Ended March 31,
	2012		2011
Stock options		254,000		2,889

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Long-Term Debt (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012
Stated interest rate on Secured Term Loan
Variable interest rate, Stated Interest Rate	3.47%
Variable interest rate, Principal Balance	$ 47,500
Fixed interest rate, Stated Interest Rate	5.15%
Fixed interest rate, Principal Balance	23,750
Weighted-average interest rate, Stated Interest Rate	4.03%
Weighted-average interest rate, Principal Balance	$ 71,250

XML

Derivatives, Hedges, Financial Instruments and Carbon Credits (Tables)

3 Months Ended

Mar. 31, 2012

Derivatives, Hedges, Financial Instruments and Carbon Credits [Abstract]

Assets and liabilities measured at fair value on recurring basis

			Fair Value Measurements at March 31, 2012 Using
Description	Total Fair Value at March 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value at December 31, 2011
	(In Thousands)
Assets - Supplies, prepaid items and other:
Commodities contracts	$	153	$	153	$	—	$	—	$	11
Carbon credits		42		—		—		42		42
Total	$	195	$	153	$	—	$	42	$	53
Liabilities - Current and noncurrent accrued and other liabilities:
Contractual obligations – carbon credits	$	42	$	—	$	—	$	42	$	42
Interest rate contracts		1,971		—		1,971		—		2,241
Total	$	2,013	$	—	$	1,971	$	42	$	2,283

Reconciliation of the beginning and ending balances for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3)

	Assets					Liabilities
	Three Months Ended March 31,					Three Months Ended March 31,
	2012		2011			2012			2011
	(In Thousands)
Beginning balance	$	42	$	644		$	(42	)	$	(644	)
Transfers into Level 3		—		—			—			—
Transfers out of Level 3		—		—			—			—
Total realized and unrealized gain (loss) included in earnings		—		40			—			(40	)
Purchases		—		—			—			—
Issuances		—		—			—			—
Sales		—		(673	)		—			—
Settlements		—		—			—			684
Ending balance	$	42	$	11		$	(42	)	$	—

Realized and unrealized net losses included in earnings and the income statement

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Total net gains (losses) included in earnings:
Cost of sales – Commodities contracts	$	142		$	(151	)
Cost of sales – Foreign exchange contracts		—			40
Other income – Carbon credits		—			40
Other expense – Contractual obligations relating to carbon credits		—			(40	)
Interest expense – Interest rate contracts		(96	)		(338	)
	$	46		$	(449	)
Change in unrealized gains (losses) relating to contracts still held at period end:
Cost of sales – Commodities contracts	$	142		$	(82	)
Cost of sales – Foreign exchange contracts		—			18
Interest expense – Interest rate contracts		270			52
	$	412		$	(12	)

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Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2012

Long-Term Debt [Abstract]

Long-term debt

	March 31,		December 31,
	2012		2011
	(In Thousands)
Working Capital Revolver Loan due 2012 (A)	$	—	$	—
Secured Term Loan (B)		71,250		72,188
Other, with a current weighted-average interest rate of 6.83%, most of which is secured by machinery, equipment and real estate		4,771		7,272
		76,021		79,460
Less current portion of long-term debt		4,773		4,935
Long-term debt due after one year	$	71,248	$	74,525

(A) Our wholly-owned subsidiary, ThermaClime, LLC (“ThermaClime”) and its subsidiaries (collectively, the “Borrowers”) are parties to a $50 million revolving credit facility (the “Working Capital Revolver Loan”) that provides for advances based on specified percentages of eligible accounts receivable and inventories for ThermaClime and its subsidiaries. See Note 14 – Subsequent Events for discussion concerning an amendment to this credit facility.

As of March 31, 2012, the Working Capital Revolver Loan required ThermaClime to meet certain financial covenants, including an EBITDA requirement of greater than $25 million; a minimum fixed charge coverage ratio of not less than 1.10 to 1; and a maximum senior leverage coverage ratio of not greater than 4.50 to 1. These requirements were measured quarterly on a trailing twelve-month basis and as defined in the agreement. ThermaClime was in compliance with those covenants for the twelve-month period ended March 31, 2012. The Working Capital Revolver Loan also required all collections on accounts receivable be made through a bank account in the name of the lender or their agent.

(B) On March 29, 2011, ThermaClime and certain of its subsidiaries entered into an amended and restated term loan agreement (the “Amended Agreement”), which amended ThermaClime’s existing term loan agreement (the “Original Agreement”). Pursuant to the terms of the Amended Agreement, the maximum principal amount of ThermaClime’s term loan facility (the “Secured Term Loan”) was increased from $50 million to $60 million. On May 26, 2011, the principal amount of the Secured Term Loan was increased an additional $15 million to $75 million pursuant to the terms of the Amended Agreement. The Amended Agreement also extended the maturity of the Secured Term Loan from November 2, 2012, to March 29, 2016. For financial reporting purposes, this transaction was considered a non-substantial modification of the Original Agreement.

Stated interest rate on secured term loan

	March 31, 2012
	Stated Interest Rate			Principal Balance
	(Dollars In Thousands)
Variable interest rate		3.47	%	$	47,500
Fixed interest rate		5.15	%		23,750
Weighted-average interest rate		4.03	%	$	71,250

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Related Party Transactions (Details) (USD $)	3 Months Ended		1 Months Ended			3 Months Ended	12 Months Ended		3 Months Ended			3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012 Golsen Group [Member]	Mar. 31, 2011 Golsen Group [Member]	Jan. 31, 2011 Golsen Group [Member]	Mar. 31, 2011 Golsen Group [Member]	Dec. 31, 2010 Golsen Group [Member]	Mar. 31, 2011 Golsen Group [Member] Debentures [Member]	Mar. 31, 2012 LLC [Member]	Mar. 31, 2012 Texas Real Estate [Member]	Mar. 31, 2012 Texas Real Estate [Member] Landmark [Member]	Mar. 31, 2012 Put Option [Member] Texas Real Estate [Member] Landmark [Member]	Mar. 31, 2012 Warrant [Member] Texas Real Estate [Member] Landmark [Member]	Feb. 07, 2012 Warrant [Member] Texas Real Estate [Member] Landmark [Member]
Related Party Transactions (Textual) [Abstract]
Interest Accrued							$ 137,500
Interest paid relating to the debentures					137,500
Dividends on preferred stocks	300,000	305,000	300,000	300,000
Interest expense relating to the debentures						27,500
Amount of Debentures sold by a related party to a third party				3,000,000
Debentures held by Golsen Group							5,000,000	2,000,000
Purchase price											2,500,000
Percentage of return on purchase price										10.00%
Put option exercise period												May exercise during the sixth year following the purchase of the Texas Real Estate
Maximum number of shares available to purchase under warrants													1,000,000
Purchase price per share of Landmark stock under the warrant													$ 1.00
Landmark's 12 month average closing price per common stock share														$ 0.11
Amount of contribution to a LLC									1,000,000
Loan made by a related party									2,000,000
Principal amount of membership interest of the LLC sold for a promissory note									$ 1,100,000

XML

Long Term Debt (Details Textual) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		3 Months Ended
	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2012 Working Capital Revolver Loan [Member]	Mar. 31, 2012 Secured Term Loan due 2012 [Member]	Mar. 31, 2012 Other long-term debt [Member]	Mar. 31, 2011 5.5% senior subordinated notes due 2012 [Member]
Debt Instrument [Line Items]
Maximum amount of revolving credit facility			$ 50
Working capital revolver loan requirements			EBITDA requirement of greater than $25 million; a minimum fixed charge coverage ratio of not less than 1.10 to 1; and a maximum senior leverage coverage ratio of not greater than 4.50 to 1.
Original principal amount of secured term loan				50
Modified principal amount of secured loan				60
Amended additional principal amount of secured loan				15
Amended principal amount of secured loan				75
Periodic principal payment of secured loan				0.9
Interest and final balloon payment of secured loan				56.3
Secured term loan interest Rate Basis				Three month Libor plus 300 basis points adjusted quarterly
Borrowing interest rate basis spread				3.00%
Period for LIBOR				3 months
Carrying value of the pledged assets				73
Carrying value of restricted net assets				80
Secured term loan agreement requirements				Borrowers are also subject to a minimum fixed charge coverage ratio of not less than 1.10 to 1 and a maximum leverage ratio of not greater than 4.50 to 1
Percentage of principal amount as prepayment premium				1.00%
Weighted average interest rate of other debt		4.03%			6.83%
Maturity date of original secured term loan				November 2, 2012
Maturity date of amended secured term loan				March 29, 2016
End date of prepayment premium period				Mar. 29, 2014
Debt instrument, interest rate						5.50%
Long-Term Debt (Textual) [Abstract]
Principal amounts converted	$ 24.4
Shares of LSB common stock issued	888,160

XML

Income Taxes (Tables)

3 Months Ended

Mar. 31, 2012

Income Taxes [Abstract]

Provisions benefits for income taxes

	Three Months Ended March 31,
	2012		2011
	(In Thousands)
Current:
Federal	$	5,390	$	9,148
State		1,075		2,546
Total Current	$	6,465	$	11,694
Deferred:
Federal	$	1,171	$	(36	)
State		166		(1	)
Total Deferred		1,337		(37	)
Provisions for income taxes	$	7,802	$	11,657

XML

Other Expense, Other Income and Non-Operating Other Income, net (Tables)

3 Months Ended

Mar. 31, 2012

Other Expense, Other Income and Non-Operating Other Income, net [Abstract]

Other Expense, Other Income and Non-Operating Other Income, net

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Other expense:
Total other expense (1)	$	167		$	62
Other income:
Settlements of litigation and potential litigation (2)	$	—		$	747
Miscellaneous income (1)		236			125
Total other income	$	236		$	872
Non-operating other income, net:
Interest income	$	24		$	24
Miscellaneous expense (1)		(19	)		(17	)
Total non-operating other income, net	$	5		$	7

(1) Amounts represent numerous unrelated transactions, none of which are individually significant requiring separate disclosure.

(2) Amount relates primarily to settlements reached with certain vendors of our Chemical Business.

XML

Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Note 1: Summary of Significant Accounting Policies

For a complete discussion of our significant accounting policies, refer to the notes to our audited consolidated financial statements included in our Form 10-K for the year ended December 31, 2011 (“2011 Form 10-K”), filed with the Securities and Exchange Commission (“SEC”) on February 28, 2012.

Basis of Consolidation and Presentation - LSB Industries, Inc. (“LSB”) and its subsidiaries (the “Company”, “We”, “Us”, or “Our”) are consolidated in the accompanying condensed consolidated financial statements. We are primarily engaged in the manufacture and sale of geothermal and water source heat pumps and air handling products (the “Climate Control Business”) and the manufacture and sale of chemical products (the “Chemical Business”). LSB is a holding company with no significant operations or assets other than cash, cash equivalents, and investments in its subsidiaries. Entities that are 20% to 50% owned and for which we have significant influence are accounted for on the equity method. All material intercompany accounts and transactions have been eliminated.

In the opinion of management, the unaudited condensed consolidated financial statements of the Company as of March 31, 2012 and for the three month periods ended March 31, 2012 and 2011 include all adjustments and accruals, consisting of normal, recurring accrual adjustments which are necessary for a fair presentation of the results for the interim periods. These interim results are not necessarily indicative of results for a full year due, in part, to the seasonality of our sales of agricultural products and the timing of performing our major plant maintenance activities. Our selling seasons for agricultural products are primarily during the spring and fall planting seasons, which typically extend from March through June and from September through November.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with United States (“U.S.”) generally accepted accounting principles (“GAAP”) have been condensed or omitted in this Form 10-Q pursuant to the rules and regulations of the SEC. These condensed consolidated financial statements should be read in connection with our audited consolidated financial statements and notes thereto included in our 2011 Form 10-K.

Use of Estimates - The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Income per Common Share - Net income applicable to common stock is computed by adjusting net income by the amount of preferred stock dividends and dividend requirements, if applicable. Basic income per common share is based upon net income applicable to common stock and the weighted-average number of common shares outstanding during each year. Diluted income per share is based on net income applicable to common stock plus preferred stock dividends and dividend requirements on preferred stock assumed to be converted, if dilutive, and interest expense including amortization of debt issuance cost, net of income taxes, on convertible debt assumed to be converted, if dilutive, and the weighted-average number of common shares and dilutive common equivalent shares outstanding, and the assumed conversion of dilutive convertible securities outstanding.

Short-Term Investments - Investments, which consisted of certificates of deposit with an original maturity of 13 weeks, are considered short-term investments. These investments are carried at cost which approximates fair value. All of these investments were held by financial institutions within the U.S. and none of these investments were in excess of the federally insured limits.

Accounts Receivable - Our accounts receivable are stated at net realizable value. This value includes an appropriate allowance for estimated uncollectible accounts to reflect any loss anticipated on accounts receivable balances. Our estimate is based on historical experience and periodic assessment of outstanding accounts receivable, particularly those accounts which are past due (based upon the terms of the sale). Our periodic assessment of our accounts receivable is based on our best estimate of amounts that are not recoverable.

Inventories - Inventories are stated at the lower of cost (determined using the first-in, first-out (“FIFO”) basis) or market (net realizable value). Finished goods and work-in-process inventories include material, labor, and manufacturing overhead costs. Additionally, we review inventories and record inventory reserves for slow-moving inventory items.

Precious Metals - Precious metals are used as a catalyst in the Chemical Business manufacturing process. Precious metals are carried at cost, with cost being determined using the FIFO basis. Because some of the catalyst consumed in the production process cannot be readily recovered and the amount and timing of recoveries are not predictable, we follow the practice of expensing precious metals as they are consumed. Occasionally, during major maintenance or capital projects, we may be able to perform procedures to recover precious metals (previously expensed) which have accumulated over time within the manufacturing equipment. Recoveries of precious metals are recognized at historical FIFO costs. When we accumulate precious metals in excess of our production requirements, we may sell a portion of the excess metals.

Product Warranty - Our Climate Control Business sells equipment that has an expected life, under normal circumstances and use, which extends over several years. As such, we provide warranties after equipment shipment/start up covering defects in materials and workmanship.

Our accounting policy and methodology for warranty arrangements is to measure and recognize the expense and liability for such warranty obligations at the time of sale using a percentage of sales and cost per unit of equipment, based upon our historical and estimated future warranty costs. We also recognize the additional warranty expense and liability to cover atypical costs associated with a specific product, or component thereof, or project installation, when such costs are probable and reasonably estimable. It is reasonably possible that our estimated accrued warranty costs could change in the near term.

Contingencies - Certain conditions may exist which may result in a loss, but which will only be resolved when future events occur. We and our legal counsel assess such contingent liabilities, and such assessment inherently involves an exercise of judgment. If the assessment of a contingency indicates that it is probable that a loss has been incurred, we would accrue for such contingent losses when such losses can be reasonably estimated. If the assessment indicates that a potentially material loss contingency is not probable but reasonably possible, or is probable but cannot be estimated, the nature of the contingent liability, together with an estimate of the range of possible loss if determinable and material, would be disclosed. Estimates of potential legal fees and other directly related costs associated with contingencies are not accrued but rather are expensed as incurred. Loss contingency liabilities are included in current and noncurrent accrued and other liabilities and are based on current estimates that may be revised in the near term. In addition, we recognize contingent gains when such gains are realized or realizable and earned.

Derivatives, Hedges, Financial Instruments and Carbon Credits - Derivatives are recognized in the balance sheet and are measured at fair value. Changes in fair value of derivatives are recorded in results of operations unless the normal purchase or sale exceptions apply or hedge accounting is elected.

Climate reserve tonnes (“carbon credits”) are recognized in the balance sheet and are measured at fair value. Changes in fair value of carbon credits are recorded in results of operations. Contractual obligations associated with carbon credits are recognized in the balance sheet and are measured at fair value unless we enter into a firm sales commitment to sell the associated carbon credits. When we enter into a firm sales commitment, the sales price, pursuant to the terms of the firm sales commitment, establishes the amount of the associated contractual obligation. Changes in fair value of contractual obligations associated with carbon credits are recorded in results of operations.

Income Taxes - We do not recognize a tax benefit unless we conclude that it is more-likely-than-not that the benefit will be sustained on audit by the taxing authority based solely on the technical merits of the associated tax position. If the recognition threshold is met, we recognize a tax benefit measured at the largest amount of the tax benefit that, in our judgment, is greater than 50% likely to be realized. We also record interest related to unrecognized tax positions in interest expense and penalties in operating other expense.

Income tax benefits associated with amounts that are deductible for income tax purposes but that do not affect earnings are credited to equity. These benefits are principally generated from exercises of non-qualified stock options.

Recognition of Insurance Recoveries - If an insurance claim relates to a recovery of our losses, we recognize the recovery when it is probable and reasonably estimable. If our insurance claim relates to a contingent gain, we recognize the recovery when it is realized or realizable and earned. Amounts recoverable from our insurance carriers, if any, are included in accounts receivable.

Recently Issued Accounting Pronouncements - In 2011, the Financial Accounting Standards Board (“FASB”) issued an accounting standards update (“ASU”) clarifying how to measure and disclose fair value. The requirements under this ASU became effective for us on January 1, 2012 and were applied prospectively. See Note 9 - Derivatives, Hedges, Financial Instruments and Carbon Credits.

In 2011, the FASB issued ASUs amending comprehensive income guidance, which eliminate the option to present the components of other comprehensive income as part of the statement of stockholders’ equity. Instead, we must report comprehensive income, if any, in either a single continuous statement of comprehensive income which contains two sections, net income and other comprehensive income, or in two separate but consecutive statements. The requirements under these ASUs became effective for us on January 1, 2012; however, because we did not have any items of other comprehensive income to report for the periods presented, the adoption of these ASUs did not impact the accompanying condensed financial statements.

In 2011, the FASB issued an ASU requiring additional disclosures about an entity’s offsetting (netting) of certain assets and liabilities for the purpose of improving the transparency of financial reporting. Entities are required to disclose both gross information and net information about both instruments and transactions eligible for offset in the balance sheet and instruments and transactions subject to an agreement similar to a master netting arrangement. The new disclosure requirements become effective for us on January 1, 2013. The disclosure requirements are to be applied retrospectively.

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Segment Information (Tables)

3 Months Ended

Mar. 31, 2012

Segment Information [Abstract]

Segment Financial Information

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Net sales:
Climate Control	$	62,758		$	63,649
Chemical		124,205			111,431
Other		3,282			2,413
	$	190,245		$	177,493
Gross profit: (1)
Climate Control	$	19,446		$	21,486
Chemical (2)		23,998			31,468
Other		1,000			900
	$	44,444		$	53,854
Operating income: (3)
Climate Control	$	5,838		$	8,441
Chemical (2)		20,347			29,098
General corporate expenses and other business operations, net (4)		(3,103	)		(3,502	)
		23,082			34,037
Interest expense		(1,132	)		(1,712	)
Non-operating other income, net:
Climate Control		—			1
Corporate and other business operations		5			6
Provisions for income taxes		(7,802	)		(11,657	)
Equity in earnings of affiliate-Climate Control		171			285
Income from continuing operations	$	14,324		$	20,960

(1) Gross profit by business segment represents net sales less cost of sales. Gross profit classified as “Other” relates to the sales of industrial machinery and related components.

(2) During January 2012, a planned improvement project was performed at the Pryor Facility to increase anhydrous ammonia production levels, during which time the facility was not in production. In addition, during March 2012, the Pryor Facility experienced certain unplanned downtime in the ammonia and urea plants. The ammonia plant production was shut down for a portion of the month while the repairs were performed. The repairs to the urea plant are extensive resulting in the urea plant being shut down the entire month of March and is expected to continue to be down through most of the second quarter of 2012. As a result, the operating results of the Chemical Business for the first quarter of 2012 were negatively impacted by the downtime of the Pryor Facility.

(3) Our chief operating decision makers use operating income by business segment for purposes of making decisions, which include resource allocations and performance evaluations. Operating income by business segment represents gross profit by business segment less selling, general and administrative expense (“SG&A”) incurred by each business segment plus other income and other expense earned/incurred by each business segment before general corporate expenses and other business operations, net. General corporate expenses and other business operations, net, consist of unallocated portions of gross profit, SG&A, other income and other expense.

(4) The amounts included are not allocated to our Climate Control and Chemical Businesses since these items are not included in the operating results reviewed by our chief operating decision makers for purposes of making decisions as discussed above. A detail of these amounts are as follows:

General corporate expenses and other business operations, net

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Gross profit-Other	$	1,000		$	900
Selling, general and administrative:
Personnel costs		(2,082	)		(1,610	)
Professional fees		(1,404	)		(1,142	)
All other		(803	)		(1,694	)
Total selling, general and administrative		(4,289	)		(4,446	)
Other income		186			47
Other expense		—			(3	)
Total general corporate expenses and other business operations, net	$	(3,103	)	$	(3,502	)

Total assets by business segment

	March 31, 2012		December 31, 2011
	(In Thousands)
Climate Control	$	123,694	$	119,323
Chemical		227,128		214,246
Corporate assets and other		154,172		168,440
Total assets	$	504,994	$	502,009

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Accrued Warranty Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Product warranty obligation
Balance at beginning of period	$ 5,370	$ 3,996
Amounts charged to costs and expenses	1,568	1,627
Costs incurred	(1,322)	(1,339)
Balance at end of period	$ 5,616	$ 4,284

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Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Segment Financial Information
Net sales	$ 190,245	$ 177,493
Gross profit	44,444	53,854
Total operating income	23,082	34,037
Interest expense	(1,132)	(1,712)
Non-operating income (expense), net	5	7
Provisions for income taxes	(7,802)	(11,657)
Equity in earnings of affiliate - Climate Control	171	285
Income from continuing operations	14,324	20,960
Climate Control [Member]
Segment Financial Information
Net sales	62,758	63,649
Gross profit	19,446	21,486
Total operating income	5,838	8,441
Non-operating income (expense), net		1
Chemical [Member]
Segment Financial Information
Net sales	124,205	111,431
Gross profit	23,998	31,468
Total operating income	20,347	29,098
Other [Member]
Segment Financial Information
Net sales	3,282	2,413
Gross profit	1,000	900
Total operating income	(3,103)	(3,502)
Non-operating income (expense), net	$ 5	$ 6

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Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 113,342	$ 124,929
Restricted cash	31	31
Short-term investments	10,005	10,005
Accounts receivable, net	87,524	87,351
Inventories:
Finished goods	34,070	29,009
Work in process	4,000	4,855
Raw materials	30,554	25,642
Total inventories	68,624	59,506
Supplies, prepaid items and other:
Prepaid insurance	4,290	5,953
Precious metals	16,085	17,777
Supplies	8,734	7,513
Fair value of derivatives and other	195	53
Prepaid income taxes	6,948	8,679
Other	3,003	2,034
Total supplies, prepaid items and other	39,255	42,009
Deferred income taxes	3,758	4,275
Total current assets	322,539	328,106
Property, plant and equipment, net	171,874	164,547
Other assets:
Investment in affiliate	2,652	2,910
Goodwill	1,724	1,724
Other, net	6,205	4,722
Total other assets	10,581	9,356
Total assets	504,994	502,009
Current liabilities:
Accounts payable	48,798	57,891
Short-term financing	3,962	5,646
Accrued and other liabilities	30,022	28,677
Current portion of long-term debt	4,773	4,935
Total current liabilities	87,555	97,149
Long-term debt	71,248	74,525
Noncurrent accrued and other liabilities	15,492	15,239
Deferred income taxes	22,646	21,826
Commitments and contingencies (Note 8)
Stockholders' equity:
Common stock, $.10 par value; 75,000,000 shares authorized, 26,659,530 shares issued (26,638,285 shares at December 31, 2011)	2,666	2,664
Capital in excess of par value	162,870	162,092
Retained earnings	167,891	153,888
Stockholders equity including treasury stock	336,427	321,644
Less treasury stock, at cost:
Common stock, 4,320,462 shares	28,374	28,374
Total stockholders' equity	308,053	293,270
Total Liabilities and Stockholders' equity	504,994	502,009
Series B preferred stock
Stockholders' equity:
Convertible preferred stock	2,000	2,000
Series D preferred stock
Stockholders' equity:
Convertible preferred stock	$ 1,000	$ 1,000

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Commitments and Contingencies (Details) (USD $)	1 Months Ended	3 Months Ended			1 Months Ended		3 Months Ended			3 Months Ended
	May 31, 2008	Mar. 31, 2012 Plant	Dec. 31, 2011	Jun. 30, 2011	Jul. 31, 2007 Class C Preferred Stock [Member]	Nov. 30, 2006 Class C Preferred Stock [Member]	Mar. 31, 2012 Class C Preferred Stock [Member]	Dec. 31, 2007 Class C Preferred Stock [Member]	Mar. 31, 2012 Insurance Claims [Member]	Mar. 31, 2012 Hallowell Facility [Member] Entity	Mar. 31, 2012 Climate Control Business [Member]	Mar. 31, 2012 Chemical Business [Member]
Segment Reporting Information [Line Items]
Current portion of accrued and other liabilities		$ 30,022,000	$ 28,677,000							$ 100,000
Accrued general liability insurance claims									727,000
Renewal period for discharge water permit												5 years
Maximum penalty amount per day under Clean Air Act												27,500
No. of nitric acid affected plant		10
Number of subsidiaries under chemical business that sold their operating assets										2
Product liability deductible per claim											250,000
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Class C Series 2 preferred stock							$ 3.25
Maximum number of shares to be received under agreement						180,450
Total number of shares held by Jayhawk Group						340,900
Number of common shares for each convertible preferred stock								7.4
Common stock issued on conversion					4.329
Jayhawk Group asserted damage claim relating to preferred							12,000,000
Commitments and Contingencies (Textual) [Abstract]
Purchase commitments of natural gas in mmbtu		1,500,000
Weighted average cost of natural gas per mmbtu		3.38
Total cost of natural gas in dollars		5,200,000
Weighted average market value of natural gas per mmbtu		2.27
Total market value of natural gas in dollars		3,500,000
Accrued losses on firm sales commitments (Rounded)		3,000,000
Month purchase commitment period ends for natural gas		Oct.-2012
Penalty related to discharge water permit				124,000
Liability relating to discharge water permit		124,000
Capital cost in connection with construction of pipeline		4,000,000
Capitalized cost of construction of pipeline		1,300,000
Estimated share of the annual operating cost of pipeline, minimum		100,000
Estimated share of the annual operating cost of pipeline, maximum		150,000
Alleged discharge water permit violation settlement amount		100,000
Jayhawk Group's offer to settle litigation	100,000
Cumulative Jayhawk litigation expense		250,000
Product liability
Estimated EPA civil penalty liability		$ 100,000

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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from continuing operating activities
Net income	$ 14,303	$ 20,903
Adjustments to reconcile net income to net cash provided by continuing operating activities:
Net loss from discontinued operations	21	57
Deferred income taxes	1,337	(37)
Expense associated with modification of secured term loan		387
Expense associated with induced conversion of 5.5% convertible debentures		558
Loss (gain) on sales and disposals of property and equipment	15	(19)
Depreciation of property, plant and equipment	5,018	4,592
Amortization	87	153
Stock-based compensation	415	254
Provisions for losses on accounts receivable	40	42
Provisions for (realization of) losses on inventory	5	(15)
Provision for losses on firm sales commitments	2,984
Equity in earnings of affiliate	(171)	(285)
Distributions received from affiliate	429	400
Changes in fair value of commodities contracts	(142)	82
Changes in fair value of interest rate contracts	(270)	(52)
Cash provided (used) by changes in assets and liabilities: (net of effects of discontinued operations)
Accounts receivable	(215)	(1,871)
Inventories	(9,123)	(10,649)
Prepaid and accrued income taxes	1,686	2,300
Other supplies, prepaid items and other	1,174	(2,747)
Accounts payable	(5,628)	(4,488)
Accrued payroll and benefits	(1,122)	2,301
Commodities contracts		501
Customer deposits	474	3,588
Other current and noncurrent liabilities	(202)	382
Net cash provided by continuing operating activities	11,115	16,337
Cash flows from continuing investing activities
Capital expenditures	(15,632)	(4,579)
Proceeds from sales of property and equipment	266	19
Proceeds from short-term investments	4	10,012
Purchase of short-term investments	(4)	(9)
Proceeds from sales of carbon credits		673
Payments on contractual obligations - carbon credits	(180)	(673)
Other assets	(99)	(86)
Net cash provided (used) by continuing investing activities	(15,645)	5,357
Cash flows from continuing financing activities
Proceeds from revolving debt facility	161,506	156,715
Payments on revolving debt facility	(161,506)	(156,715)
Proceeds from modification of secured term loan, net of fees		10,347
Payments on other long-term debt	(3,439)	(541)
Payments on loans secured by cash value of life insurance policies	(1,918)
Payments of debt issuance costs		(108)
Payments on short-term financing	(1,684)	(1,139)
Proceeds from exercises of stock options	173	513
Excess income tax benefit associated with stock-based compensation	186	703
Acquisition of redeemable preferred stock	(39)
Dividends paid on preferred stocks	(300)	(305)
Net cash provided (used) by continuing financing activities	(7,021)	9,470
Cash flows of discontinued operations:
Operating cash flows	(36)	(65)
Net increase (decrease) in cash and cash equivalents	(11,587)	31,099
Cash and cash equivalents at beginning of period	124,929	66,946
Cash and cash equivalents at end of period	113,342	98,045
Supplemental cash flow information:
Cash payments for income taxes, net of refunds	4,581	8,654
Noncash investing and financing activities:
Other assets and accounts payable associated with additions of property, plant and equipment	3,208	2,507
Debt issuance costs incurred associated with secured term loan		601
Debt issuance costs written off associated with 5.5% debentures		328
Accounts payable associated with 5.5% debentures		558
Accrued liabilities extinguished associated with 5.5% debentures		336
5.5% debentures converted to common stock		$ 24,400

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Income Per Common Share (Details 1) (Stock Options [Member])	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Stock Options [Member]
Antidilutive securities excluded from computation of earning per share
Antidilutive Securities Excluded from Computation of Earnings Per Share	254,000	2,889

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Basis of Consolidation and Presentation

Basis of Consolidation and Presentation - LSB Industries, Inc. (“LSB”) and its subsidiaries (the “Company”, “We”, “Us”, or “Our”) are consolidated in the accompanying condensed consolidated financial statements. We are primarily engaged in the manufacture and sale of geothermal and water source heat pumps and air handling products (the “Climate Control Business”) and the manufacture and sale of chemical products (the “Chemical Business”). LSB is a holding company with no significant operations or assets other than cash, cash equivalents, and investments in its subsidiaries. Entities that are 20% to 50% owned and for which we have significant influence are accounted for on the equity method. All material intercompany accounts and transactions have been eliminated.

In the opinion of management, the unaudited condensed consolidated financial statements of the Company as of March 31, 2012 and for the three month periods ended March 31, 2012 and 2011 include all adjustments and accruals, consisting of normal, recurring accrual adjustments which are necessary for a fair presentation of the results for the interim periods. These interim results are not necessarily indicative of results for a full year due, in part, to the seasonality of our sales of agricultural products and the timing of performing our major plant maintenance activities. Our selling seasons for agricultural products are primarily during the spring and fall planting seasons, which typically extend from March through June and from September through November.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with United States (“U.S.”) generally accepted accounting principles (“GAAP”) have been condensed or omitted in this Form 10-Q pursuant to the rules and regulations of the SEC. These condensed consolidated financial statements should be read in connection with our audited consolidated financial statements and notes thereto included in our 2011 Form 10-K.

Use of Estimates

Use of Estimates - The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Income per Common Share

Income per Common Share - Net income applicable to common stock is computed by adjusting net income by the amount of preferred stock dividends and dividend requirements, if applicable. Basic income per common share is based upon net income applicable to common stock and the weighted-average number of common shares outstanding during each year. Diluted income per share is based on net income applicable to common stock plus preferred stock dividends and dividend requirements on preferred stock assumed to be converted, if dilutive, and interest expense including amortization of debt issuance cost, net of income taxes, on convertible debt assumed to be converted, if dilutive, and the weighted-average number of common shares and dilutive common equivalent shares outstanding, and the assumed conversion of dilutive convertible securities outstanding.

Short-Term Investments

Short-Term Investments - Investments, which consisted of certificates of deposit with an original maturity of 13 weeks, are considered short-term investments. These investments are carried at cost which approximates fair value. All of these investments were held by financial institutions within the U.S. and none of these investments were in excess of the federally insured limits.

Accounts Receivable

Accounts Receivable - Our accounts receivable are stated at net realizable value. This value includes an appropriate allowance for estimated uncollectible accounts to reflect any loss anticipated on accounts receivable balances. Our estimate is based on historical experience and periodic assessment of outstanding accounts receivable, particularly those accounts which are past due (based upon the terms of the sale). Our periodic assessment of our accounts receivable is based on our best estimate of amounts that are not recoverable.

Inventories

Inventories - Inventories are stated at the lower of cost (determined using the first-in, first-out (“FIFO”) basis) or market (net realizable value). Finished goods and work-in-process inventories include material, labor, and manufacturing overhead costs. Additionally, we review inventories and record inventory reserves for slow-moving inventory items.

Precious Metals

Precious Metals - Precious metals are used as a catalyst in the Chemical Business manufacturing process. Precious metals are carried at cost, with cost being determined using the FIFO basis. Because some of the catalyst consumed in the production process cannot be readily recovered and the amount and timing of recoveries are not predictable, we follow the practice of expensing precious metals as they are consumed. Occasionally, during major maintenance or capital projects, we may be able to perform procedures to recover precious metals (previously expensed) which have accumulated over time within the manufacturing equipment. Recoveries of precious metals are recognized at historical FIFO costs. When we accumulate precious metals in excess of our production requirements, we may sell a portion of the excess metals.

Product Warranty

Product Warranty - Our Climate Control Business sells equipment that has an expected life, under normal circumstances and use, which extends over several years. As such, we provide warranties after equipment shipment/start up covering defects in materials and workmanship.

Our accounting policy and methodology for warranty arrangements is to measure and recognize the expense and liability for such warranty obligations at the time of sale using a percentage of sales and cost per unit of equipment, based upon our historical and estimated future warranty costs. We also recognize the additional warranty expense and liability to cover atypical costs associated with a specific product, or component thereof, or project installation, when such costs are probable and reasonably estimable. It is reasonably possible that our estimated accrued warranty costs could change in the near term.

Contingencies

Contingencies - Certain conditions may exist which may result in a loss, but which will only be resolved when future events occur. We and our legal counsel assess such contingent liabilities, and such assessment inherently involves an exercise of judgment. If the assessment of a contingency indicates that it is probable that a loss has been incurred, we would accrue for such contingent losses when such losses can be reasonably estimated. If the assessment indicates that a potentially material loss contingency is not probable but reasonably possible, or is probable but cannot be estimated, the nature of the contingent liability, together with an estimate of the range of possible loss if determinable and material, would be disclosed. Estimates of potential legal fees and other directly related costs associated with contingencies are not accrued but rather are expensed as incurred. Loss contingency liabilities are included in current and noncurrent accrued and other liabilities and are based on current estimates that may be revised in the near term. In addition, we recognize contingent gains when such gains are realized or realizable and earned.

Derivatives, Hedges, Financial Instruments and Carbon Credits

Derivatives, Hedges, Financial Instruments and Carbon Credits - Derivatives are recognized in the balance sheet and are measured at fair value. Changes in fair value of derivatives are recorded in results of operations unless the normal purchase or sale exceptions apply or hedge accounting is elected.

Climate reserve tonnes (“carbon credits”) are recognized in the balance sheet and are measured at fair value. Changes in fair value of carbon credits are recorded in results of operations. Contractual obligations associated with carbon credits are recognized in the balance sheet and are measured at fair value unless we enter into a firm sales commitment to sell the associated carbon credits. When we enter into a firm sales commitment, the sales price, pursuant to the terms of the firm sales commitment, establishes the amount of the associated contractual obligation. Changes in fair value of contractual obligations associated with carbon credits are recorded in results of operations.

Income Taxes

Income Taxes - We do not recognize a tax benefit unless we conclude that it is more-likely-than-not that the benefit will be sustained on audit by the taxing authority based solely on the technical merits of the associated tax position. If the recognition threshold is met, we recognize a tax benefit measured at the largest amount of the tax benefit that, in our judgment, is greater than 50% likely to be realized. We also record interest related to unrecognized tax positions in interest expense and penalties in operating other expense.

Income tax benefits associated with amounts that are deductible for income tax purposes but that do not affect earnings are credited to equity. These benefits are principally generated from exercises of non-qualified stock options.

Recognition of Insurance Recoveries

Recognition of Insurance Recoveries - If an insurance claim relates to a recovery of our losses, we recognize the recovery when it is probable and reasonably estimable. If our insurance claim relates to a contingent gain, we recognize the recovery when it is realized or realizable and earned. Amounts recoverable from our insurance carriers, if any, are included in accounts receivable.

Recently Issued Accounting Pronouncements

Recently Issued Accounting Pronouncements - In 2011, the Financial Accounting Standards Board (“FASB”) issued an accounting standards update (“ASU”) clarifying how to measure and disclose fair value. The requirements under this ASU became effective for us on January 1, 2012 and were applied prospectively. See Note 9 - Derivatives, Hedges, Financial Instruments and Carbon Credits.

In 2011, the FASB issued ASUs amending comprehensive income guidance, which eliminate the option to present the components of other comprehensive income as part of the statement of stockholders’ equity. Instead, we must report comprehensive income, if any, in either a single continuous statement of comprehensive income which contains two sections, net income and other comprehensive income, or in two separate but consecutive statements. The requirements under these ASUs became effective for us on January 1, 2012; however, because we did not have any items of other comprehensive income to report for the periods presented, the adoption of these ASUs did not impact the accompanying condensed financial statements.

In 2011, the FASB issued an ASU requiring additional disclosures about an entity’s offsetting (netting) of certain assets and liabilities for the purpose of improving the transparency of financial reporting. Entities are required to disclose both gross information and net information about both instruments and transactions eligible for offset in the balance sheet and instruments and transactions subject to an agreement similar to a master netting arrangement. The new disclosure requirements become effective for us on January 1, 2013. The disclosure requirements are to be applied retrospectively.

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Accounts Receivable, net (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Net Accounts Receivables
Trade receivables	$ 87,475	$ 87,303
Other	965	1,003
Receivable Gross	88,440	88,306
Allowance for doubtful accounts	(916)	(955)
Accounts receivable, net	$ 87,524	$ 87,351

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Accounts Receivable, net (Tables)

3 Months Ended

Mar. 31, 2012

Accounts Receivable, net [Abstract]

Net Accounts Receivables

	March 31, 2012			December 31, 2011
	(In Thousands)
Trade receivables	$	87,475		$	87,303
Other		965			1,003
		88,440			88,306
Allowance for doubtful accounts		(916	)		(955	)
	$	87,524		$	87,351

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Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) (5.5% Convertible Senior Subordinated Notes due 2012)	Mar. 31, 2012	Mar. 31, 2011
5.5% Convertible Senior Subordinated Notes due 2012
Interest rate on convertible debentures	5.50%	5.50%

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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	26,659,530	26,638,285
Treasury stock, common shares	4,320,462	4,320,462
Series B preferred stock
Convertible preferred stock dividend rate	12.00%	12.00%
Series B cumulative, convertible preferred stock, par value	$ 100	$ 100
Preferred stock, shares issued	20,000	20,000
Preferred stock, shares outstanding	20,000	20,000
Series D preferred stock
Convertible preferred stock dividend rate	6.00%	6.00%
Series D cumulative, convertible Class C preferred stock, par value
Preferred stock, shares issued	1,000,000	1,000,000
Preferred stock, shares outstanding	1,000,000	1,000,000

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Income Taxes

3 Months Ended

Mar. 31, 2012

Income Taxes [Abstract]

Income Taxes

Note 10: Income Taxes Provisions for income taxes are as follows:

	Three Months Ended March 31,
	2012		2011
	(In Thousands)
Current:
Federal	$	5,390	$	9,148
State		1,075		2,546
Total Current	$	6,465	$	11,694
Deferred:
Federal	$	1,171	$	(36	)
State		166		(1	)
Total Deferred		1,337		(37	)
Provisions for income taxes	$	7,802	$	11,657

For the three months ended March 31, 2012 and 2011, the current provision for federal income taxes shown above includes regular federal income tax after the consideration of permanent and temporary differences between income for GAAP and tax purposes. For the three months ended March 31, 2012 and 2011, the current provision for state income taxes shown above includes regular state income tax and provisions for uncertain state income tax positions.

At December 31, 2011, we have remaining state tax net operating loss (“NOL”) carryforwards of approximately $8.0 million that begin expiring in 2013.

Our annual estimated effective tax rate for 2012 includes the impact of permanent tax differences, such as the domestic manufacturer’s deduction, the advanced energy credit and other permanent items.

The tax provision for the three months ended March 31, 2012 and 2011 was $7.8 million (35% of pre-tax income) and $11.7 million (36% of pre-tax income), respectively.

We had approximately $0.7 million accrued for uncertain tax liabilities at March 31, 2012 and December 31, 2011, which is included in current and noncurrent accrued and other liabilities.

LSB and certain of its subsidiaries file income tax returns in the U.S. federal jurisdiction and various state jurisdictions. With few exceptions, the 2008-2010 years remain open for all purposes of examination by the U.S. Internal Revenue Service (“IRS”) and other major tax jurisdictions. Currently, we are under examination by the IRS and certain state tax authorities for the tax years 2007-2010.

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Document and Entity Information	3 Months Ended
	Mar. 31, 2012	Apr. 30, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	LSB INDUSTRIES INC
Entity Central Index Key	0000060714
Document Type	10-Q
Document Period End Date	Mar. 31, 2012
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		22,339,068

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Other Expense, Other Income and Non-Operating Other Income, Net

3 Months Ended

Mar. 31, 2012

Other Expense, Other Income and Non-Operating Other Income, net [Abstract]

Other Expense, Other Income and Non-Operating Other Income, net

Note 11: Other Expense, Other Income and Non-Operating Other Income, net

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Other expense:
Total other expense (1)	$	167		$	62
Other income:
Settlements of litigation and potential litigation (2)	$	—		$	747
Miscellaneous income (1)		236			125
Total other income	$	236		$	872
Non-operating other income, net:
Interest income	$	24		$	24
Miscellaneous expense (1)		(19	)		(17	)
Total non-operating other income, net	$	5		$	7

(1) Amounts represent numerous unrelated transactions, none of which are individually significant requiring separate disclosure.

(2) Amount relates primarily to settlements reached with certain vendors of our Chemical Business.

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Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Condensed Consolidated Statements of Income [Abstract]
Net sales	$ 190,245	$ 177,493
Cost of sales	145,801	123,639
Gross profit	44,444	53,854
Selling, general and administrative expense	21,391	20,585
Provisions for losses on accounts receivable	40	42
Other expense	167	62
Other income	(236)	(872)
Operating income	23,082	34,037
Interest expense	1,132	1,712
Non-operating other income, net	(5)	(7)
Income from continuing operations before provisions for income taxes and equity in earnings of affiliate	21,955	32,332
Provisions for income taxes	7,802	11,657
Equity in earnings of affiliate	(171)	(285)
Income from continuing operations	14,324	20,960
Net loss from discontinued operations	21	57
Net income	14,303	20,903
Dividends on preferred stocks	300	305
Net income applicable to common stock	$ 14,003	$ 20,598
Weighted-average common shares:
Basic	22,324	21,180
Diluted	23,524	23,444
Income per common share:
Basic	$ 0.63	$ 0.97
Diluted	$ 0.61	$ 0.90

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Current and Noncurrent Accrued and Other Liabilities

3 Months Ended

Mar. 31, 2012

Current and Noncurrent Accrued and Other Liabilities [Abstract]

Current and Noncurrent Accrued and Other Liabilities

Note 5: Current and Noncurrent Accrued and Other Liabilities Our current and noncurrent accrued and other liabilities consist of the following:

	March 31, 2012		December 31, 2011
	(In Thousands)
Deferred revenue on extended warranty contracts	$	6,636	$	6,461
Accrued payroll and benefits		6,145		7,267
Accrued warranty costs		5,616		5,370
Customer deposits		4,979		4,505
Accrued death benefits		4,007		4,017
Accrued losses on firm sales commitments		2,984		—
Accrued group health and workers’ compensation insurance claims		2,452		2,535
Fair value of derivatives and other		2,013		2,283
Accrued contractual profit-sharing obligation		1,520		1,478
Accrued contractual manufacturing obligations		1,464		1,613
Accrued executive benefits		1,299		1,262
Accrued commissions		1,253		1,016
Other		5,146		6,109
		45,514		43,916
Less noncurrent portion		15,492		15,239
Current portion of accrued and other liabilities	$	30,022	$	28,677

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Inventories

3 Months Ended

Mar. 31, 2012

Inventory [Abstract]

Inventories

Note 4: Inventories At March 31, 2012 and December 31, 2011, inventory reserves for certain slow-moving inventory items (Climate Control products) were $1,705,000 and $1,767,000, respectively. In addition, because cost exceeded the net realizable value, inventory reserves for certain nitrogen-based inventories provided by our Chemical Business were $16,000 at December 31, 2011 (none at March 31, 2012).

Changes in our inventory reserves are as follows:

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Balance at beginning of period	$	1,783		$	1,793
Provision for (realization of) losses		5			(15	)
Write-offs and disposals		(83	)		(3	)
Balance at end of period	$	1,705		$	1,775

The provision for (realization of) losses is included in cost of sales in the accompanying condensed consolidated statements of income.

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Income Per Common Share (Tables)

3 Months Ended

Mar. 31, 2012

Income Per Common Share [Abstract]

Computation of basic and diluted net income per share

	Three Months Ended March 31,
	2012			2011
Numerator:
Net income	$	14,303		$	20,903
Dividends on Series B Preferred		(240	)		(240	)
Dividends on Series D Preferred		(60	)		(60	)
Dividends on Noncumulative Preferred		—			(5	)
Total dividends on preferred stocks		(300	)		(305	)
Numerator for basic net income per common share - net income applicable to common stock		14,003			20,598
Dividends on preferred stocks assumed to be converted, if dilutive		300			305
Interest expense including amortization of debt issuance costs, net of income taxes, on convertible debt assumed to be converted, if dilutive		—			265
Numerator for diluted net income per common share	$	14,303		$	21,168
Denominator:
Denominator for basic net income per common share - weighted-average shares		22,323,780			21,179,800
Effect of dilutive securities:
Convertible preferred stocks		918,026			935,626
Stock options		281,714			355,681
Convertible notes payable		—			973,292
Dilutive potential common shares		1,199,740			2,264,599
Denominator for diluted net income per common share - adjusted weighted-average shares and assumed conversions		23,523,520			23,444,399
Basic net income per common share	$	.63		$	.97
Diluted net income per common share	$	.61		$	.90

Antidilutive securities excluded from computation of earning per share

	Three Months Ended March 31,
	2012		2011
Stock options		254,000		2,889

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Segment Information

3 Months Ended

Mar. 31, 2012

Segment Information [Abstract]

Segment Information

Note 12: Segment Information

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Net sales:
Climate Control	$	62,758		$	63,649
Chemical		124,205			111,431
Other		3,282			2,413
	$	190,245		$	177,493
Gross profit: (1)
Climate Control	$	19,446		$	21,486
Chemical (2)		23,998			31,468
Other		1,000			900
	$	44,444		$	53,854
Operating income: (3)
Climate Control	$	5,838		$	8,441
Chemical (2)		20,347			29,098
General corporate expenses and other business operations, net (4)		(3,103	)		(3,502	)
		23,082			34,037
Interest expense		(1,132	)		(1,712	)
Non-operating other income, net:
Climate Control		—			1
Corporate and other business operations		5			6
Provisions for income taxes		(7,802	)		(11,657	)
Equity in earnings of affiliate-Climate Control		171			285
Income from continuing operations	$	14,324		$	20,960

(1) Gross profit by business segment represents net sales less cost of sales. Gross profit classified as “Other” relates to the sales of industrial machinery and related components.

(2) During January 2012, a planned improvement project was performed at the Pryor Facility to increase anhydrous ammonia production levels, during which time the facility was not in production. In addition, during March 2012, the Pryor Facility experienced certain unplanned downtime in the ammonia and urea plants. The ammonia plant production was shut down for a portion of the month while the repairs were performed. The repairs to the urea plant are extensive resulting in the urea plant being shut down the entire month of March and is expected to continue to be down through most of the second quarter of 2012. As a result, the operating results of the Chemical Business for the first quarter of 2012 were negatively impacted by the downtime of the Pryor Facility.

(3) Our chief operating decision makers use operating income by business segment for purposes of making decisions, which include resource allocations and performance evaluations. Operating income by business segment represents gross profit by business segment less selling, general and administrative expense (“SG&A”) incurred by each business segment plus other income and other expense earned/incurred by each business segment before general corporate expenses and other business operations, net. General corporate expenses and other business operations, net, consist of unallocated portions of gross profit, SG&A, other income and other expense.

(4) The amounts included are not allocated to our Climate Control and Chemical Businesses since these items are not included in the operating results reviewed by our chief operating decision makers for purposes of making decisions as discussed above. A detail of these amounts are as follows:

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Gross profit-Other	$	1,000		$	900
Selling, general and administrative:
Personnel costs		(2,082	)		(1,610	)
Professional fees		(1,404	)		(1,142	)
All other		(803	)		(1,694	)
Total selling, general and administrative		(4,289	)		(4,446	)
Other income		186			47
Other expense		—			(3	)
Total general corporate expenses and other business operations, net	$	(3,103	)	$	(3,502	)

Information about our total assets by business segment is as follows:

	March 31, 2012		December 31, 2011
	(In Thousands)
Climate Control	$	123,694	$	119,323
Chemical		227,128		214,246
Corporate assets and other		154,172		168,440
Total assets	$	504,994	$	502,009

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2012

Commitments and Contingencies [Abstract]

Commitments and Contingencies

Note 8: Commitments and Contingencies

Purchase and Sales Commitments - The following significant commitments include contracts entered into during the three months ended March 31, 2012:

Certain subsidiaries within the Chemical Business entered into contracts to purchase natural gas for anticipated production needs at the Cherokee Facility and our chemical production facility located in Pryor, Oklahoma (the “Pryor Facility”). Since these contracts are considered normal purchases because they provide for the purchase of natural gas that will be delivered in quantities expected to be used over a reasonable period of time in the normal course of business and are documented as such, these contracts are exempt from the accounting and reporting requirements relating to derivatives. At March 31, 2012, our purchase commitments under these contracts were for approximately 1.5 million MMBtu of natural gas through October 2012 at the weighted-average cost of $3.38 per MMBtu ($5.2 million) and a weighted-average market value of $2.27 per MMBtu ($3.5 million). See Note 9 - Derivatives, Hedges, Financial Instruments and Carbon Credits for our commitments relating to derivative contracts and carbon credits at March 31, 2012.

At March 31, 2012, we had $3.0 million of embedded losses associated with sales commitments with firm sales prices in our Chemical Business relating to our expected inability to produce the necessary amount of product at the Pryor Facility as the result of the unplanned downtime discussed in Note 12-Segment Information.

Legal Matters - Following is a summary of certain legal matters involving the Company.

A. Environmental Matters

Our operations are subject to numerous environmental laws (“Environmental Laws”) and to other federal, state and local laws regarding health and safety matters (“Health Laws”). In particular, the manufacture and distribution of chemical products are activities which entail environmental risks and impose obligations under the Environmental Laws and the Health Laws, many of which provide for certain performance obligations, substantial fines and criminal sanctions for violations. There can be no assurance that we will not incur material costs or liabilities in complying with such laws or in paying fines or penalties for violation of such laws. The Environmental Laws and Health Laws and enforcement policies thereunder relating to our Chemical Business have in the past resulted, and could in the future result, in compliance expenses, cleanup costs, penalties or other liabilities relating to the handling, manufacture, use, emission, discharge or disposal of effluents at or from our facilities or the use or disposal of certain of its chemical products. Historically, significant expenditures have been incurred by subsidiaries within our Chemical Business in order to comply with the Environmental Laws and Health Laws and are reasonably expected to be incurred in the future.

We will recognize a liability for the fair value of a conditional asset retirement obligation if the fair value of the liability can be reasonably estimated. We are obligated to monitor certain discharge water outlets at our Chemical Business facilities should we discontinue the operations of a facility. We are also contractually obligated through at least December 2053 to pay a portion of the operating costs of a municipally owned wastewater pipeline currently being constructed, which will serve the El Dorado Facility. Additionally, we have certain facilities in our Chemical Business that contain asbestos insulation around certain piping and heated surfaces, which we plan to maintain or replace, as needed, with non-asbestos insulation through our standard repair and maintenance activities to prevent deterioration. Currently, there is insufficient information to estimate the fair value for most of our asset retirement obligations. In addition, we currently have no plans to discontinue the use of these facilities and the remaining life of the facilities is indeterminable. As a result, a liability for only a minimal amount relating to asset retirement obligations has been established at March 31, 2012. However, we will continue to review these obligations and record a liability when a reasonable estimate of the fair value can be made.

1. Discharge Water Matters

The El Dorado Facility owned by our subsidiary, El Dorado Chemical Company (“EDC”), generates process wastewater, which includes cooling tower and boiler water quality control streams, contact storm water (rain water inside the facility area which picks up contaminants) and miscellaneous spills and leaks from process equipment. The process water discharge, storm-water runoff and miscellaneous spills and leaks are governed by a state National Pollutant Discharge Elimination System (“NPDES”) discharge water permit issued by the Arkansas Department of Environmental Quality (“ADEQ”), which permit is generally required to be renewed every five years. The El Dorado Facility is currently operating under a NPDES discharge water permit, which became effective in 2004 (“2004 NPDES permit”). In November 2010, a preliminary draft of a discharge water permit renewal, which contains more restrictive ammonia limits, was issued by the ADEQ for EDC’s review. EDC submitted comments to the ADEQ on the draft permit in December 2010.

The El Dorado Facility has generally demonstrated its ability to comply with applicable ammonia and nitrate permit limits, but has, from time to time, had difficulty demonstrating consistent compliance with the more restrictive dissolved minerals permit levels. As part of the El Dorado Facility’s long-term compliance plan, EDC has pursued a rulemaking and permit modification with the ADEQ. The ADEQ approved a rule change, but on August 31, 2011, the United States Environmental Protection Agency (“EPA”) formally disapproved the rule change. On October 7, 2011, EDC filed a lawsuit against the EPA in the United States District Court, El Dorado, Arkansas, appealing the EPA’s decision disapproving the rule change. We do not believe this matter regarding the dissolved minerals will be an issue once the pipeline discussed below is operational.

In a separate matter, during January 2010, EDC received an Administrative Order from the EPA noting certain violations of the 2004 NPDES permit and requesting EDC to demonstrate compliance with the permit or provide a plan and schedule for returning to compliance. EDC provided a response which states that the El Dorado Facility is in compliance with the permit, except for an occasional difficulty demonstrating consistent compliance with the more restrictive dissolved minerals permit limits; that the El Dorado Facility expects to be able to maintain compliance, except for the occasional difficulty demonstrating consistent compliance with the more restrictive dissolved mineral permit limits, and that a majority of the alleged violations were resolved through a consent administrative order with the ADEQ. At this time, we do not believe that the occasional noncompliance with the dissolved minerals permit limits will have a material adverse impact on EDC. In June 2011, EDC received an Administrative Complaint from the EPA reciting past violations of the 2004 NPDES permit that had not been addressed by previous ADEQ Consent Administrative Orders and seeking a penalty of $124,000 for alleged violations through December 31, 2010. In December 2011, EDC was notified by the EPA that the matter has been taken over by the United States Department of Justice (“DOJ”), the current Administrative Complaint will be withdrawn, and the EPA and DOJ will handle this as a joint enforcement matter. During the first quarter of 2012, this matter was settled by which EDC will pay $100,000 to settle the alleged violations occurring on or prior to December 31, 2010. The EPA has indicated that any violation that occurred after December 31, 2010, will be addressed at a later date. A liability of $124,000 has been established at March 31, 2012 relating to this matter, which includes the $100,000 discussed above.

The City of El Dorado, Arkansas (the “City”) received approval to construct a pipeline for disposal of wastewater generated by the City and by certain companies in the El Dorado area. However, in November 2011, opponents of the pipeline filed a lawsuit against the City and the pipeline consultants for alleged violations of the Freedom of Information Act. We do not believe that this lawsuit will affect the City’s approval, or the City’s construction, of the pipeline. The companies intending to use the pipeline will contribute to the cost of construction and operation of the pipeline. Although EDC believes it can comply with the more restrictive permit limits without the pipeline, except for an occasional difficulty demonstrating consistent compliance with the more restrictive dissolved minerals permit limits, EDC will participate in the construction of the pipeline that will be owned by the City in order to ensure that EDC will be able to comply with future permit limits. During April 2011, certain companies, including EDC, and the City entered into a funding agreement and operating agreement, pursuant to which each party to the agreements has agreed to contribute to the cost of construction and the annual operating costs of the pipeline for the right to use the pipeline to dispose its wastewater. EDC anticipates its capital cost in connection with the construction of the pipeline will be approximately $4.0 million, of which $1.3 million has been capitalized as of March 31, 2012. The City plans to complete the construction of the pipeline by mid-2014. Once the pipeline is completed, EDC’s estimated share of the annual operating costs is to be $100,000 to $150,000. The initial term of the operating agreement is through December 2053.

In addition, the El Dorado Facility is currently operating under a consent administrative order (“2006 CAO”) that recognizes the presence of nitrate contamination in the shallow groundwater. The 2006 CAO required EDC to continue semi-annual groundwater monitoring, to continue operation of a groundwater recovery system and to submit a human health and ecological risk assessment to the ADEQ relating to the El Dorado Facility. The final remedy for shallow groundwater contamination, should any remediation be required, will be selected pursuant to a new consent administrative order and based upon the risk assessment. The cost of any additional remediation that may be required will be determined based on the results of the investigation and risk assessment, which costs (or range of costs) cannot currently be reasonably estimated. Therefore, no liability has been established at March 31, 2012, in connection with this matter.

2. Air Matters

The EPA has sent information requests to most, if not all, of the operators of nitric acid plants in the United States, including our El Dorado and Cherokee Facilities and the chemical production facility located in Baytown, Texas (the “Baytown Facility”) operated by our subsidiary, El Dorado Nitric Company and its subsidiaries (“EDN”), under Section 114 of the Clean Air Act as to construction and modification activities at each of these facilities over a period of years. These information requests were to enable the EPA to determine whether these facilities are in compliance with certain provisions of the Clean Air Act. If it were determined that the equipment at any of our chemical facilities has not met the requirements of the Clean Air Act, our Chemical Business could be subject to penalties in an amount not to exceed $27,500 per day as to each facility not in compliance and be required to retrofit each facility with the “best available control technology.”

After a review by our Chemical Business of these facilities in obtaining information for the EPA pursuant to the EPA’s request, our Chemical Business management believes that certain facilities within our Chemical Business may be required to make capital improvements to emission equipment in order to comply with the requirements of the Clean Air Act. During the first quarter of 2012, our Chemical Business provided to the EPA a proposed global settlement offer in connection with this matter, which settlement offer would require implementation of additional pollution controls to be installed over a period of time in each of our ten affected nitric acid plants to achieve certain proposed emission rates. The proposal also offered to negotiate a modest civil penalty but did not provide an amount of any proposed civil penalty. Since the specific types of pollution controls necessary to meet the proposed emission rates at each plant have not been determined, the total capital cost to achieve the proposed emission rates has not been determined with any degree of accuracy; however, the total capital cost could be significant.

The DOJ, on behalf of the EPA, has responded in writing to our proposed global settlement offer and advised in its response which of our proposals are acceptable and not acceptable and certain other provisions that the United States would require in a global settlement. The DOJ’s response also provided that they will require, among other things, that we pay an appropriate civil penalty to the United States and participating state parties, with the amount to be determined after the parties have reached agreement on the core components of a consent decree, and that any settlement is contingent upon the incorporation of the settlement terms into a definitive consent decree acceptable to the parties. Therefore a liability of $100,000 for potential civil penalties has been established at March 31, 2012, in connection with this matter. We are currently considering the DOJ’s response and anticipate that we will be responding in an allowable time frame.

3. Other Environmental Matters

In 2002, two subsidiaries within our Chemical Business, sold substantially all of their operating assets relating to a Kansas chemical facility (“Hallowell Facility”) but retained ownership of the real property. At December 31, 2002, even though we continued to own the real property, we did not assess our continuing involvement with our former Hallowell Facility to be significant and therefore accounted for the sale as discontinued operations. In connection with this sale, our subsidiary leased the real property to the buyer under a triple net long-term lease agreement. However, our subsidiary retained the obligation to be responsible for, and perform the activities under, a previously executed consent order to investigate the surface and subsurface contamination at the real property and a corrective action strategy based on the investigation. In addition, certain of our subsidiaries agreed to indemnify the buyer of such assets for these environmental matters. Based on the assessment discussed above, we account for transactions associated with the Hallowell Facility as discontinued operations.

The successor (“Chevron”) of a prior owner of the Hallowell Facility has agreed in writing, within certain limitations, to pay and has been paying one-half of the costs of the interim measures relating to this matter as approved by the Kansas Department of Environmental Quality, subject to reallocation.

Our subsidiary and Chevron are pursuing with the state of Kansas a course of long-term surface and groundwater monitoring to track the natural decline in contamination. Currently, our subsidiary and Chevron are in the process of performing additional surface and groundwater testing. We have accrued for our allocable portion of costs for the additional testing, monitoring and risk assessments that could be reasonably estimated.

In addition, the Kansas Department of Health and Environment (“KDHE”) notified our subsidiary and Chevron that the Hallowell Facility has been referred to the KDHE’s Natural Resources Trustee, who is to consider and recommend restoration, replacement and/or whether to seek compensation. KDHE will consider the recommendations in their evaluation. Currently, it is unknown what damages the KDHE would claim, if any. The ultimate required remediation, if any, is unknown. The nature and extent of a portion of the requirements are not currently defined and the associated costs (or range of costs) are not reasonably estimable.

At March 31, 2012, our allocable portion of the total estimated liability related to the Hallowell Facility of $100,000 has been established in connection with this matter. The estimated amount is not discounted to its present value. It is reasonably possible that a change in the estimate of our liability could occur in the near term.

B. Other Pending, Threatened or Settled Litigation

The Jayhawk Group

In November 2006, we entered into an agreement with Jayhawk Capital Management, LLC, Jayhawk Investments, L.P., Jayhawk Institutional Partners, L.P. and Kent McCarthy, the manager and sole member of Jayhawk Capital, (collectively, the “Jayhawk Group”), in which the Jayhawk Group agreed, among other things, that if we undertook, in our sole discretion, within one year from the date of agreement a tender offer for our Series 2 $3.25 convertible exchangeable Class C preferred stock (“Series 2 Preferred”) or to issue our common stock for a portion of our Series 2 Preferred pursuant to a private exchange, that they would tender or exchange an aggregate of no more than 180,450 shares of the 340,900 shares of the Series 2 Preferred beneficially owned by the Jayhawk Group, subject to, among other things, the entities owned and controlled by Jack E. Golsen, our chairman and chief executive officer (“Golsen”), and his immediate family, that beneficially own Series 2 Preferred only being able to exchange or tender approximately the same percentage of shares of Series 2 Preferred beneficially owned by them as the Jayhawk Group was able to tender or exchange under the terms of the agreement.

During 2007, we made a tender offer for our outstanding Series 2 Preferred at the rate of 7.4 shares of our common stock for each share of Series 2 Preferred so tendered. In July 2007, we redeemed the balance of our outstanding shares of Series 2 Preferred. Pursuant to its terms, the Series 2 Preferred was convertible into 4.329 shares of our common stock for each share of Series 2 Preferred. As a result of the redemption, the Jayhawk Group converted the balance of its Series 2 Preferred pursuant to the terms of the Series 2 Preferred in lieu of having its shares redeemed.

The Jayhawk Group has filed suit against us and Golsen alleging that the Jayhawk Group should have been able to tender all of its Series 2 Preferred pursuant to the tender offer, notwithstanding the above-described agreement, based on the following claims against us and Golsen:

• fraudulent inducement and fraud,

• violation of 10(b) of the Exchange Act and Rule 10b-5,

• violation of 17-12A501 of the Kansas Uniform Securities Act, and

• breach of contract.

The Jayhawk Group seeks damages up to $12 million based on the additional number of common shares it allegedly would have received on conversion of all of its Series 2 Preferred through the February 2007 tender offer, plus punitive damages. In May 2008, the General Counsel for the Jayhawk Group offered to settle its claims against us and Golsen in return for a payment of $100,000, representing the approximate legal fees it had incurred investigating the claims at that time. Through counsel, we verbally agreed to the settlement offer and confirmed the agreement by e-mail. Afterward, the Jayhawk Group’s General Counsel purported to withdraw the settlement offer, and asserted that Jayhawk is not bound by any settlement agreement. We contend that the settlement agreement is binding on the Jayhawk Group. During September 2011, this case was tried before the court in the United States District Court for the District of Kansas. We are awaiting the court’s decision in this matter. Our insurer, Chartis, a subsidiary of AIG, has agreed to defend this lawsuit on our behalf and to indemnify under a reservation of rights to deny liability under certain conditions. We have incurred expenses associated with this matter up to our insurance deductible of $250,000, and our insurer is paying defense costs in excess of our deductible in this matter. Although our insurer is defending this matter under a reservation of rights, we are not currently aware of any material issue in this case that would result in our insurer denying coverage. Therefore, no liability has been established at March 31, 2012 as a result of this matter.

Other Claims and Legal Actions

We are also involved in various other claims and legal actions including claims for damages resulting from water leaks related to our Climate Control products and other product liability occurrences. Most of the product liability claims are covered by our general liability insurance, which generally includes a deductible of $250,000 per claim. For any claims or legal actions that we have assessed the likelihood of our liability as probable, we have recognized our estimated liability up to the applicable deductible. At March 31, 2012, our accrued general liability insurance claims were $727,000 and are included in accrued and other liabilities. It is possible that the actual development of claims could be different from our estimates but, after consultation with legal counsel, if those general liability insurance claims for which we have not recognized a liability were determined adversely to us, it would not have a material effect on our business, financial condition or results of operations.

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Accrued Warranty Costs

3 Months Ended

Mar. 31, 2012

Accrued Warranty Costs [Abstract]

Accrued Warranty Costs

Note 6: Accrued Warranty Costs Our Climate Control Business sells equipment that has an expected life, under normal circumstances and use, which extends over several years. As such, we provide warranties after equipment shipment/start up covering defects in materials and workmanship. Generally for commercial/institutional products, the base warranty coverage for most of the manufactured equipment in the Climate Control Business is limited to eighteen months from the date of shipment or twelve months from the date of start up, whichever is shorter, and to ninety days for spare parts. For residential products, the base warranty coverage for manufactured equipment in the Climate Control Business is limited to ten years from the date of shipment for material and to five years from the date of shipment for labor associated with the repair. The warranty provides that most equipment is required to be returned to the factory or an authorized representative and the warranty is limited to the repair and replacement of the defective product, with a maximum warranty of the refund of the purchase price. Furthermore, companies within the Climate Control Business generally disclaim and exclude warranties related to merchantability or fitness for any particular purpose and disclaim and exclude any liability for consequential or incidental damages. In some cases, the customer may purchase or a specific product may be sold with an extended warranty. The above discussion is generally applicable to such extended warranties, but variations do occur depending upon specific contractual obligations, certain system components, and local laws.

Changes in our product warranty obligation (accrued warranty costs) are as follows:

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Balance at beginning of period	$	5,370		$	3,996
Amounts charged to costs and expenses		1,568			1,627
Costs incurred		(1,322	)		(1,339	)
Balance at end of period	$	5,616		$	4,284

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Long-Term Debt

3 Months Ended

Mar. 31, 2012

Long-Term Debt [Abstract]

Long-Term Debt

Note 7: Long-Term Debt Our long-term debt consists of the following:

	March 31,		December 31,
	2012		2011
	(In Thousands)
Working Capital Revolver Loan due 2012 (A)	$	—	$	—
Secured Term Loan (B)		71,250		72,188
Other, with a current weighted-average interest rate of 6.83%, most of which is secured by machinery, equipment and real estate		4,771		7,272
		76,021		79,460
Less current portion of long-term debt		4,773		4,935
Long-term debt due after one year	$	71,248	$	74,525

(A) Our wholly-owned subsidiary, ThermaClime, LLC (“ThermaClime”) and its subsidiaries (collectively, the “Borrowers”) are parties to a $50 million revolving credit facility (the “Working Capital Revolver Loan”) that provides for advances based on specified percentages of eligible accounts receivable and inventories for ThermaClime and its subsidiaries. See Note 14 – Subsequent Events for discussion concerning an amendment to this credit facility.

As of March 31, 2012, the Working Capital Revolver Loan required ThermaClime to meet certain financial covenants, including an EBITDA requirement of greater than $25 million; a minimum fixed charge coverage ratio of not less than 1.10 to 1; and a maximum senior leverage coverage ratio of not greater than 4.50 to 1. These requirements were measured quarterly on a trailing twelve-month basis and as defined in the agreement. ThermaClime was in compliance with those covenants for the twelve-month period ended March 31, 2012. The Working Capital Revolver Loan also required all collections on accounts receivable be made through a bank account in the name of the lender or their agent.

(B) On March 29, 2011, ThermaClime and certain of its subsidiaries entered into an amended and restated term loan agreement (the “Amended Agreement”), which amended ThermaClime’s existing term loan agreement (the “Original Agreement”). Pursuant to the terms of the Amended Agreement, the maximum principal amount of ThermaClime’s term loan facility (the “Secured Term Loan”) was increased from $50 million to $60 million. On May 26, 2011, the principal amount of the Secured Term Loan was increased an additional $15 million to $75 million pursuant to the terms of the Amended Agreement. The Amended Agreement also extended the maturity of the Secured Term Loan from November 2, 2012, to March 29, 2016. For financial reporting purposes, this transaction was considered a non-substantial modification of the Original Agreement.

The Secured Term Loan requires quarterly principal payments of approximately $0.9 million, plus interest and a final balloon payment of $56.3 million due on March 29, 2016. The stated interest rate on the Secured Term Loan includes a variable interest rate (based on three-month LIBOR plus 300 basis points, which rate is adjusted quarterly) and a fixed interest rate as detailed below:

	March 31, 2012
	Stated Interest Rate			Principal Balance
	(Dollars In Thousands)
Variable interest rate		3.47	%	$	47,500
Fixed interest rate		5.15	%		23,750
Weighted-average interest rate		4.03	%	$	71,250

The Secured Term Loan is secured by the real property and equipment located at our chemical production facilities located in El Dorado, Arkansas (the “El Dorado Facility”) and in Cherokee, Alabama (the “Cherokee Facility”). The carrying value of the pledged assets is approximately $73 million at March 31, 2012. In addition, the Secured Term Loan is guaranteed by LSB.

The Secured Term Loan borrowers are subject to numerous covenants under the Amended Agreement including, but not limited to, limitation on the incurrence of certain additional indebtedness and liens; limitations on mergers, acquisitions, dissolution and sale of assets; and limitations on declaration of dividends and distributions to LSB, all with certain exceptions. At March 31, 2012, the carrying value of the restricted net assets (including pledged assets) of ThermaClime and its subsidiaries was approximately $80 million. As defined in the agreement, the Secured Term Loan borrowers are also subject to a minimum fixed charge coverage ratio of not less than 1.10 to 1 and a maximum leverage ratio of not greater than 4.50 to 1. Both of these requirements are measured quarterly on a trailing twelve-month basis. The Secured Term Loan borrowers were in compliance with these financial covenants for the twelve-month period ended March 31, 2012.

The maturity date of the Secured Term Loan can be accelerated by the lender upon the occurrence of a continuing event of default, as defined.

The Working Capital Revolver Loan agreement (discussed in (A) above) and the Secured Term Loan contain cross-default provisions. If ThermaClime fails to meet the financial covenants of either of these agreements, the lenders may declare an event of default.

A prepayment premium equal to 1.0% of the principal amount prepaid is due to the lenders should the borrowers elect to prepay on or prior to March 29, 2014, however, this premium is eliminated thereafter.

March 2011 Transaction

On March 31, 2011, one of the holders of the 5.5% debentures (“2007 Debentures”) converted $24.4 million principal amount of the 2007 Debentures into 888,160 shares of LSB common stock. For financial reporting purposes, this transaction was considered an induced conversion.

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Derivatives, Hedges, Financial Instruments and Carbon Credits

3 Months Ended

Mar. 31, 2012

Derivatives, Hedges, Financial Instruments and Carbon Credits [Abstract]

Derivatives, Hedges, Financial Instruments and Carbon Credits

Note 9: Derivatives, Hedges, Financial Instruments and Carbon Credits We have three classes of contracts that are accounted for on a fair value basis, which are commodities futures/forward contracts (“commodities contracts”), foreign exchange contracts and interest rate contracts as discussed below. All of these contracts are used as economic hedges for risk management purposes but are not designated as hedging instruments. In addition as discussed below, we are issued carbon credits, which a certain portion of the carbon credits are to be sold and the proceeds given to Bayer Material Science LLC (“Bayer”). The carbon credits are accounted for on a fair value basis as discussed below. Also the contractual obligations associated with these carbon credits are accounted for on a fair value basis (as discussed below) unless we enter into a firm sales commitment to sell the carbon credits as discussed in Note 1 - Summary of Significant Accounting Policies. The valuations of these assets and liabilities were determined based on quoted market prices or, in instances where market quotes are not available, other valuation techniques or models used to estimate fair values.

The valuations of contracts classified as Level 1 are based on quoted prices in active markets for identical contracts. The valuations of contracts classified as Level 2 are based on quoted prices for similar contracts and valuation inputs other than quoted prices that are observable for these contracts. At March 31, 2012, the valuations of contracts classified as Level 2 related to interest rate swap contracts. For interest rate swap contracts, we utilize valuation software and market data from a third-party provider. These interest rate contracts are valued using a discounted cash flow model that calculates the present value of future cash flows pursuant to the terms of the contracts and using market information for forward interest-rate yield curves. The valuation inputs included the total contractual weighted-average pay rate of 3.25% and the total estimated market weighted-average receive rate of 0.93%. No valuation input adjustments were considered necessary relating to nonperformance risk for the contracts.

The valuations of assets and liabilities classified as Level 3 are based on prices or valuation techniques that require inputs that are both unobservable and significant to the overall fair value measurement. At March 31, 2012, the valuations ($3.15 per carbon credit) of the carbon credits and the contractual obligations associated with these carbon credits are classified as Level 3 and are based on the range of prices ($1.00 to $3.50) per carbon credit obtained from brokers involved in this low volume market. At December 31, 2011, the valuations ($3.15 per carbon credit) of the carbon credits and the contractual obligations associated with these carbon credits are classified as Level 3 and are based on the range of ask/bid prices ($1.00 to $3.00) per carbon credit obtained from a broker involved in this low volume market, the sales price of a December 2011 transaction and an offer received from a potential customer. The valuations are using undiscounted cash flows based on management’s assumption that the carbon credits would be sold and the associated contractual obligations would be extinguished in the near term. In addition, no valuation input adjustments were considered necessary relating to nonperformance risk for the carbon credits and associated contractual obligations.

Commodities Contracts

Raw materials for use in our manufacturing processes include copper used by our Climate Control Business and anhydrous ammonia and natural gas used by our Chemical Business. As part of our raw material price risk management, we periodically enter into futures/forward contracts for these materials, which contracts may be required to be accounted for on a mark-to-market basis. At December 31, 2011, our futures/forward copper contracts were for 375,000 pounds of copper through May 2012 at a weighted-average cost of $3.42 per pound. At March 31, 2012, our futures/forward copper contracts were for 625,000 pounds of copper through December 2012 at a weighted-average cost of $3.59 per pound. At December 31, 2011 and March 31, 2012, we did not have any futures/forward natural gas contracts requiring mark-to-market accounting. The cash flows relating to these contracts are included in cash flows from continuing operating activities, if any.

Foreign Exchange Contracts

One of our business operations purchases industrial machinery and related components from vendors outside of the United States. As part of our foreign currency risk management, we periodically enter into foreign exchange contracts, which set the U.S. Dollar/Euro exchange rates. These contracts are free-standing derivatives and are accounted for on a mark-to-market basis. At December 31, 2011 and March 31, 2012, we did not have any foreign exchange contracts. The cash flows relating to these contracts are included in cash flows from continuing operating activities, if any.

Interest Rate Contracts

As part of our interest rate risk management, we periodically purchase and/or enter into various interest rate contracts. In April 2008, we entered into an interest rate swap at no cost, which set a fixed three-month LIBOR rate of 3.24% on $25 million and matured in April 2012. In September 2008, we acquired an interest rate swap at a cost basis of $0.4 million, which set a fixed three-month LIBOR rate of 3.595% on $25 million and matured in April 2012. In February 2011, we entered into an interest rate swap at no cost, which sets a fixed three-month LIBOR rate of 3.23% on a declining balance (from $23.8 million to $18.8 million) for the period beginning in April 2012 through March 2016.

These contracts are free-standing derivatives and are accounted for on a mark-to-market basis. During the three months ended March 31, 2012 and 2011, no cash flows occurred relating to the purchase or sale of interest rate contracts. The cash flows associated with the interest rate swap payments are included in cash flows from continuing operating activities.

Carbon Credits and Associated Contractual Obligation

Periodically, we are issued carbon credits by the Climate Action Reserve in relation to a greenhouse gas reduction project (“Project”) performed at the Baytown Facility. Pursuant to the terms of the agreement with Bayer, a certain portion of the carbon credits are to be used to recover the costs of the Project, and any balance thereafter to be allocated between Bayer and EDN. We have no obligation to reimburse Bayer for their costs associated with the Project, except through the transfer or sale of the carbon credits when such credits are issued to us. The carbon credits are accounted for on a fair value basis and the contractual obligations associated with these carbon credits are also accounted for on a fair value basis (unless we enter into a firm sales commitment to sell the carbon credits). At December 31, 2011 and March 31, 2012, we had a minimal amount of carbon credits, all of which were subject to contractual obligations. As a result, changes in the amounts of our unobservable valuation inputs (discussed above) would not result in a significant change in the fair value of the carbon credits and the associated contractual obligations and such changes would not impact net income. The cash flows associated with the carbon credits and the associated contractual obligations are included in cash flows from continuing investing activities.

The following details our assets and liabilities that are measured at fair value on a recurring basis at March 31, 2012 and December 31, 2011:

			Fair Value Measurements at March 31, 2012 Using
Description	Total Fair Value at March 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value at December 31, 2011
	(In Thousands)
Assets - Supplies, prepaid items and other:
Commodities contracts	$	153	$	153	$	—	$	—	$	11
Carbon credits		42		—		—		42		42
Total	$	195	$	153	$	—	$	42	$	53
Liabilities - Current and noncurrent accrued and other liabilities:
Contractual obligations – carbon credits	$	42	$	—	$	—	$	42	$	42
Interest rate contracts		1,971		—		1,971		—		2,241
Total	$	2,013	$	—	$	1,971	$	42	$	2,283

During the three months ended March 31, 2012 and 2011, none of our assets or liabilities measured at fair value on a recurring basis transferred between Level 1 and Level 2 classifications. In addition, the following is a reconciliation of the beginning and ending balances for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

	Assets					Liabilities
	Three Months Ended March 31,					Three Months Ended March 31,
	2012		2011			2012			2011
	(In Thousands)
Beginning balance	$	42	$	644		$	(42	)	$	(644	)
Transfers into Level 3		—		—			—			—
Transfers out of Level 3		—		—			—			—
Total realized and unrealized gain (loss) included in earnings		—		40			—			(40	)
Purchases		—		—			—			—
Issuances		—		—			—			—
Sales		—		(673	)		—			—
Settlements		—		—			—			684
Ending balance	$	42	$	11		$	(42	)	$	—

Realized and unrealized net losses included in earnings and the income statement classifications are as follows:

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Total net gains (losses) included in earnings:
Cost of sales – Commodities contracts	$	142		$	(151	)
Cost of sales – Foreign exchange contracts		—			40
Other income – Carbon credits		—			40
Other expense – Contractual obligations relating to carbon credits		—			(40	)
Interest expense – Interest rate contracts		(96	)		(338	)
	$	46		$	(449	)
Change in unrealized gains (losses) relating to contracts still held at period end:
Cost of sales – Commodities contracts	$	142		$	(82	)
Cost of sales – Foreign exchange contracts		—			18
Interest expense – Interest rate contracts		270			52
	$	412		$	(12	)

At March 31, 2012 and December 31, 2011, we did not have any financial instruments with fair values significantly different from their carrying amounts. These financial instruments include our long-term debt agreements, which valuations are classified as Level 3 and are based on valuation techniques that require inputs that are both unobservable and significant to the overall fair value measurement. The fair value measurement of our long-term debt agreements are valued using a discounted cash flow model that calculates the present value of future cash flows pursuant to the terms of the debt agreements and applies estimated current market interest rates. The estimated current market interest rates are based primarily on interest rates currently being offered on borrowings of similar amounts and terms. In addition, no valuation input adjustments were considered necessary relating to nonperformance risk for the debt agreements. The fair value of financial instruments is not indicative of the overall fair value of our assets and liabilities since financial instruments do not include all assets, including intangibles, and all liabilities.

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Income Per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Numerator:
Net income	$ 14,303	$ 20,903
Total dividends on preferred stocks	(300)	(305)
Numerator for basic net income per common share - net income applicable to common stock	14,003	20,598
Dividends on preferred stocks assumed to be converted, if dilutive	300	305
Interest expense including amortization of debt issuance costs, net of income taxes, on convertible debt assumed to be converted, if dilutive		265
Numerator for diluted net income per common share	14,303	21,168
Denominator:
Denominator for basic net income per common share - weighted-average shares	22,324	21,180
Effect of dilutive securities:
Convertible preferred stocks	918,026	935,626
Stock options	281,714	355,681
Convertible notes payable		973,292
Dilutive potential common shares	1,199,740	2,264,599
Denominator for diluted net income per common share - adjusted weighted-average shares and assumed conversions	23,524	23,444
Basic net income per common share	$ 0.63	$ 0.97
Diluted net income per common share	$ 0.61	$ 0.90
Series B preferred stock [Member]
Numerator:
Total dividends on preferred stocks	(240)	(240)
Series D preferred stock [Member]
Numerator:
Total dividends on preferred stocks	(60)	(60)
Noncumulative Preferred Stock [Member]
Numerator:
Total dividends on preferred stocks		$ (5)

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Income Taxes (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
State NOL carryforwards	$ 700,000		$ 700,000
Income Taxes (Textual) [Abstract]
Provisions for income taxes	7,802,000	11,657,000
Percentage of pre-tax income	35.00%	36.00%
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Remaining state tax NOL carryforwards			$ 8,000,000

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Subsequent Events

3 Months Ended

Mar. 31, 2012

Subsequent Events [Abstract]

Subsequent Event

Note 14: Subsequent Events

Amendment to Working Capital Revolver Loan - Since the Working Capital Revolver Loan was scheduled to mature on April 13, 2012, ThermaClime and its subsidiaries (collectively, the “Borrowers”) and the lender entered into an amendment to the Working Capital Revolver Loan, dated April 4, 2012, that continues to provide for advances based on specified percentages of eligible accounts receivable and inventories for ThermaClime and its subsidiaries. As amended, the Working Capital Revolver Loan matures on March 29, 2016, but could be extended to April 13, 2017 under certain conditions. The Working Capital Revolver Loan, as amended, accrues interest at a base rate (generally equivalent to the prime rate) plus .50% if borrowing availability is greater than $25 million, otherwise plus .75% (previously plus .50% only) or, at our option, accrues interest at LIBOR plus 1.50% if borrowing availability is greater than $25 million, otherwise plus 1.75% (previously plus 1.75% only). The interest rate at April 6, 2012 was 2.22% based on LIBOR. Interest continues to be paid monthly, if applicable.

As amended, the Working Capital Revolver Loan provides for up to $15 million of letters of credit. All letters of credit outstanding reduce availability under the Working Capital Revolver Loan. As of April 6, 2012, amounts available for borrowing under the Working Capital Revolver Loan were approximately $49 million. Under the Working Capital Revolver Loan, as amended, the lender also continues to require the Borrowers to pay a letter of credit fee equal to 1% per annum of the undrawn amount of all outstanding letters of credit, an unused line fee equal to .25% per annum (previously .375% per annum) for the excess amount available under the Working Capital Revolver Loan not drawn and various other audit, appraisal and valuation charges.

The lender continues to have the ability to, upon an event of default, as defined, terminate the Working Capital Revolver Loan and make the balance outstanding, if any, due and payable in full. The Working Capital Revolver Loan continues to be secured by the assets of all the ThermaClime entities other than EDN, but excluding the assets securing the Secured Term Loan, certain production equipment and facilities utilized by the Climate Control Business, and certain distribution-related assets of EDC. In addition, EDN is neither a borrower under, nor guarantor of, the Working Capital Revolver Loan. At March 31, 2012, the carrying value of the pledged assets was approximately $243 million.

The Working Capital Revolver Loan continues to require ThermaClime to meet a minimum fixed charge coverage ratio of not less than 1.10 to 1, but the maximum senior leverage coverage ratio of not greater than 4.50 to 1 and the EBITDA requirement of greater than $25 million financial covenants have been eliminated.

This requirement is to be measured on a fiscal year-end basis and as defined in the agreement. The Working Capital Revolver Loan continues to contain covenants that, among other things, limit the Borrowers’ (which does not include LSB) ability, without consent of the lender and with certain exceptions, to:

• incur additional indebtedness,

• incur liens,

• make restricted payments or loans to affiliates who are not Borrowers,

• engage in mergers, consolidations or other forms of recapitalization, or

• dispose assets.

However, pursuant to the Working Capital Revolver Loan amendment, such negative covenants were modified so as to provide the Borrowers with more flexibility in regards to such activities. Pursuant to certain agreements with the lender, all collections on accounts receivable are no longer made through a bank account in the name of the lender or their agent. As a result and compared to previous periods, we expect this change will reduce the amount of cash flow activity associated with the Working Capital Revolver Loan, which is also reported as cash flows from continuing financing activities.

Downtime at Pryor Facility - As discussed in Note 12-Segment Information, our Pryor Facility experienced unplanned downtime in the urea plant during the first quarter of 2012. The repair undertaken at the urea plant, which began on February 27, 2012, is not complete and is expected to continue through most of June 2012. As a result, the Pryor Facility has not produced urea ammonium nitrate since February 27, 2012.

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Current and Noncurrent Accrued and Other Liabilities (Tables)

3 Months Ended

Mar. 31, 2012

Current and Noncurrent Accrued and Other Liabilities [Abstract]

Summary of current and noncurrent accrued and other liabilities

	March 31, 2012		December 31, 2011
	(In Thousands)
Deferred revenue on extended warranty contracts	$	6,636	$	6,461
Accrued payroll and benefits		6,145		7,267
Accrued warranty costs		5,616		5,370
Customer deposits		4,979		4,505
Accrued death benefits		4,007		4,017
Accrued losses on firm sales commitments		2,984		—
Accrued group health and workers’ compensation insurance claims		2,452		2,535
Fair value of derivatives and other		2,013		2,283
Accrued contractual profit-sharing obligation		1,520		1,478
Accrued contractual manufacturing obligations		1,464		1,613
Accrued executive benefits		1,299		1,262
Accrued commissions		1,253		1,016
Other		5,146		6,109
		45,514		43,916
Less noncurrent portion		15,492		15,239
Current portion of accrued and other liabilities	$	30,022	$	28,677

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Derivatives, Hedges, Financial Instruments and Carbon Credits (Details Textual) (USD $)	1 Months Ended			3 Months Ended		12 Months Ended
	Feb. 28, 2011	Sep. 30, 2008	Apr. 30, 2008	Mar. 31, 2012 lb	Mar. 31, 2011	Dec. 31, 2011 lb
Derivatives, Hedges, Financial Instruments and Carbon Credits (Textual) [Abstract]
Contractual weighted average pay rate				3.25%
Estimated market weighted average receive rate				0.93%
Carbon credit fair value per unit				3.15		3.15
Carbon credit lower range of ask or bid price				$ 1.00		$ 1.00
Carbon credit higher range of ask or bid price				3.50		3.00
Future or forward copper contract period				December, 2012		May, 2012
Derivative future or forward contract in Pounds				625,000		375,000
Weighted average cost per pound of future or forward copper contract				3.59		3.42
Interest rate contracts fixed rate description	fixed three-month LIBOR rate of 3.23% on a declining balance	LIBOR rate of 3.595% on $25 million	Fixed three-month LIBOR rate of 3.24% on $25 million
Interest rate contracts LIBOR rate		3.595%	3.24%
Notional amount of Interest rate contracts		25,000,000	25,000,000
Maturity period interest rate contract held		April, 2012	April, 2012
LIBOR rate	3.23%
Libor declaining balance	23,800,000
Interest rate swap declining balance ending balance	18,800,000
Assets or liabilities measured at fair value on a recurring basis transferred between Level 1 and Level 2 classifications
Interest Rate Swap [Member]
Derivative Financial Instruments and Carbon Credit Gain Loss [Line Items]
Interest rate contracts at cost basis		$ 400,000

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Accrued Warranty Costs (Details Textual)	3 Months Ended
	Mar. 31, 2012
Accrued Warranty Costs (Textual) [Abstract]
Commercial and industrial product base warranty coverage for manufactured product	Eighteen months from the date of shipment or twelve months from the date of start up, whichever is shorter
Commercial and industrial product base warranty coverage for spare parts	90 days
Residential products, the base warranty coverage from the date of shipment for material	10 years
Residential products warranty coverage for labor associated with repair	5 years

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Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (USD $) In Thousands	Total	Common Stock Shares	Non-Redeemable Preferred Stock	Capital in Excess of Par Value	Retained Earnings	Treasury Stock - Common
Beginning balance at Dec. 31, 2011	$ 293,270	$ 2,664	$ 3,000	$ 162,092	$ 153,888	$ (28,374)
Beginning balance, shares at Dec. 31, 2011		26,638
Net income	14,303				14,303
Dividends paid on preferred stocks	(300)				(300)
Stock-based compensation	415			415
Exercise of stock options	173	2		171
Exercise of stock options, shares		19
Excess income tax benefit associated with stock-based compensation	186			186
Conversion of redeemable preferred stock to common stock	6			6
Conversion of redeemable preferred stock to common stock, shares		3
Ending balance at Mar. 31, 2012	$ 308,053	$ 2,666	$ 3,000	$ 162,870	$ 167,891	$ (28,374)
Ending balance, shares at Mar. 31, 2012		26,660

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Accounts Receivable, net

3 Months Ended

Mar. 31, 2012

Accounts Receivable, net [Abstract]

Accounts Receivable, net

Note 3: Accounts Receivable, net Our accounts receivables, net, consists of the following:

	March 31, 2012			December 31, 2011
	(In Thousands)
Trade receivables	$	87,475		$	87,303
Other		965			1,003
		88,440			88,306
Allowance for doubtful accounts		(916	)		(955	)
	$	87,524		$	87,351

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Accrued Warranty Costs (Tables)

3 Months Ended

Mar. 31, 2012

Accrued Warranty Costs [Abstract]

Product warranty obligation

	Three Months Ended March 31,
	2012			2011
	(In Thousands)
Balance at beginning of period	$	5,370		$	3,996
Amounts charged to costs and expenses		1,568			1,627
Costs incurred		(1,322	)		(1,339	)
Balance at end of period	$	5,616		$	4,284

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Inventories (Details Textual) (USD $)	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010
Inventories (Textual) [Abstract]
Inventory reserves	$ 1,705,000	$ 1,783,000	$ 1,775,000	$ 1,793,000
Climate Control products [Member]
Inventories (Textual) [Abstract]
Inventory reserves	1,705,000	1,767,000
Chemical products [Member]
Inventories (Textual) [Abstract]
Inventory reserves		$ 16,000

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Related Party Transactions

3 Months Ended

Mar. 31, 2012

Related Party Transactions [Abstract]

Related Party Transactions

Note 13: Related Party Transactions

Golsen Group

In January 2011, we paid interest of $137,500 (that was accrued at December 31, 2010) relating to $5,000,000 of the 2007 Debentures held by Jack E. Golsen (“Golsen”), our Chairman of the Board and Chief Executive Officer, members of his immediate family (spouse and children), including Barry H. Golsen, our Vice Chairman and President, Steven J. Golsen, a Director and Chief Operating Officer of our Climate Control Business, entities owned by them and trusts for which they possess voting or dispositive power as trustee (together, the “Golsen Group”). In March 2011, we paid dividends totaling $300,000 on our Series B Preferred and our Series D Preferred. In March 2011, the Golsen Group sold $3,000,000 of the 2007 Debentures it held to a third party. During the three months ended March 31, 2011, we incurred interest expense of $27,500 relating to $2,000,000 of the 2007 Debentures held by the Golsen Group.

In March 2012, we paid dividends totaling $300,000 on our Series B Preferred and our Series D Preferred.

The Series B Preferred and Series D Preferred are non-redeemable preferred stocks issued in 1986 and 2001, respectively, of which all outstanding shares are owned by the Golsen Group.

Landmark Transaction

As approved by a special committee of our board of directors and pursuant to an agreement (the “Purchase Agreement”) entered into in September 2011, effective February 7, 2012, one of our subsidiaries, Prime Financial L.L.C. (“Prime”), purchased from Landmark Land Company, Inc. (“Landmark”) certain undeveloped real estate located in Laguna Vista, Texas (the “Texas Real Estate”) for the purchase price of approximately $2,500,000. The Purchase Agreement grants Prime put options to sell the Texas Real Estate to Landmark or to Gerald G. Barton (“Barton”), who is the chief executive officer and a substantial stockholder of Landmark. Prime may exercise a put option during the sixth year following Prime’s purchase of the Texas Real Estate. If a put option is exercised, the purchase price for the Texas Real Estate will be based on the original purchase price, plus a premium equal to a simple 10% annual return on the original purchase price beginning February 2012, subject to certain adjustments. The Purchase Agreement also grants Prime warrants to purchase up to 1,000,000 shares of Landmark’s common stock, at $1.00 per share. The right of Prime to acquire Landmark shares under any unexercised warrants shall terminate on the completed exercise of the put options. Also Landmark entered into a separate agreement (“GHP Use Agreement”) to use its reasonable efforts to use, where technically feasible, geothermal heating and air conditioning units manufactured by one of LSB’s subsidiaries on other Landmark properties in the development where the Texas Real Estate is located. For financial reporting purposes, no value from the purchase price was allocated to the put options or the GHP Use Agreement primarily because the estimated market value of the Texas Real Estate exceeded the purchase price and a minimal value from the purchase price was allocated to the warrants primarily because Landmark’s common stock is lightly traded on the Over-the-Counter Bulletin Board with a minimal price per share (Landmark’s average closing price per share was approximately $0.11 over the twelve-month period ended February 7, 2012). The above described transaction is in addition to the previously reported transaction with Landmark whereby Prime purchased from a subsidiary of Landmark real estate located in Oklahoma City, Oklahoma during 2011.

Golsen and another individual previously formed a limited liability company (“LLC”), and each contributed $1,000,000 to the LLC. The LLC subsequently loaned Landmark approximately $2,000,000. In March 2011, Golsen sold his membership interest in the LLC to Barton in consideration for a promissory note in the principal amount of approximately $1,100,000, representing the amount that Golsen had invested in the LLC, plus interest (the “Barton Note”). The Barton Note was due and payable in June 2011. Pursuant to the terms of the Purchase Agreement, until the expiration of the put option, no payment will be made on the Barton Note and payment of the amounts owing under the Barton Note will be subordinate to any amounts owing Prime upon the exercise of a put option. Further, Golsen has agreed under the Purchase Agreement that no portion of the purchase price shall be used by Landmark to repay any indebtedness owing to Golsen.

In addition, Bernard Ille, one of our directors, served as a director of Landmark for many years until he resigned in March 2011. In light of the Barton Note and Mr. Ille’s past relationship with Landmark, our board of directors appointed a special committee for the purpose of reviewing and determining whether Prime should purchase the Texas Real Estate. The special committee believed, based on an analysis of a real estate consultant, that the price paid for the Texas Real Estate approximated the market value, and also believed that this property, when developed, has the potential to establish a model geothermal community.