10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_______________________________________________________

FORM 10-Q

_______________________________________________________

	Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the Quarterly Period Ended June 30, 2015

Commission File Number: 001-34025

INTREPID POTASH, INC.

(Exact Name of Registrant as Specified in its Charter)

Delaware	26-1501877
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
707 17th Street, Suite 4200, Denver, Colorado	80202
(Address of principal executive offices)	(Zip Code)

(303) 296-3006

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x 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 (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files.) Yes x No ¨

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

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

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

As of July 24, 2015, the registrant had 76,170,036 shares of common stock, par value $0.001, outstanding (including 469,381 restricted shares of common stock).

INTREPID POTASH, INC.

TABLE OF CONTENTS

	Page
PART I - FINANCIAL INFORMATION	1
ITEM 1. Condensed Consolidated Financial Statements (Unaudited)	1
Condensed Consolidated Balance Sheets	1
Condensed Consolidated Statements of Operations	2
Condensed Consolidated Statements of Comprehensive (Loss) Income	3
Condensed Consolidated Statements of Stockholders' Equity	4
Condensed Consolidated Statements of Cash Flows	5
Notes to Condensed Consolidated Financial Statements	6
ITEM 2. Management's Discussion and Analysis of Financial Condition and Results of Operations	18
ITEM 3. Quantitative and Qualitative Disclosures about Market Risk	32
ITEM 4. Controls and Procedures	33
PART II - OTHER INFORMATION	33
ITEM 1. Legal Proceedings	33
ITEM 1A. Risk Factors	33
ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds	34
ITEM 3. Defaults upon Senior Securities	34
ITEM 4. Mine Safety Disclosures	34
ITEM 5. Other Information	34
ITEM 6. Exhibits	34
Signatures	35

i

PART I - FINANCIAL INFORMATION

ITEM 1. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

INTREPID POTASH, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except share and per share amount)

	June 30,			December 31,
	2015			2014
ASSETS
Cash and cash equivalents	$	40,285		$	67,589
Short-term investments	63,221			10,434
Accounts receivable:
Trade, net	15,642			28,561
Other receivables, net	7,271			3,600
Refundable income taxes	288			114
Inventory, net	86,847			84,094
Prepaid expenses and other current assets	3,723			4,739
Current deferred tax asset, net	5,630			3,356
Total current assets	222,907			202,487
Property, plant, equipment, and mineral properties, net	764,850			785,250
Long-term parts inventory, net	18,879			16,366
Long-term investments	20,851			11,856
Other assets, net	3,788			4,035
Non-current deferred tax asset, net	141,712			146,725
Total Assets	$	1,172,987		$	1,166,719
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable:
Trade	$	20,070		$	19,953
Related parties	86			55
Accrued liabilities	15,946			12,483
Accrued employee compensation and benefits	9,329			12,069
Other current liabilities	4,832			2,075
Total current liabilities	50,263			46,635
Long-term debt	150,000			150,000
Asset retirement obligation	21,221			20,389
Other non-current liabilities	1,086			2,410
Total Liabilities	222,570			219,434
Commitments and Contingencies
Common stock, $0.001 par value; 100,000,000 shares authorized; and 75,700,655 and
75,536,741 shares outstanding at June 30, 2015, and December 31, 2014, respectively	76			76
Additional paid-in capital	577,751			576,186
Accumulated other comprehensive loss	(53		)	(28		)
Retained earnings	372,643			371,051
Total Stockholders' Equity	950,417			947,285
Total Liabilities and Stockholders' Equity	$	1,172,987		$	1,166,719

See accompanying notes to these condensed consolidated financial statements.

1

INTREPID POTASH, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except share and per share amounts)

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Sales	$	73,651		$	110,949		$	190,672		$	209,824
Less:
Freight costs	6,898			11,760			17,810			21,691
Warehousing and handling costs	3,437			2,988			7,184			5,800
Cost of goods sold	55,435			79,383			138,717			157,957
Lower-of-cost-or-market inventory adjustments	5,276			1,140			5,636			4,706
Gross Margin	2,605			15,678			21,325			19,670
Selling and administrative	8,424			7,064			15,892			13,810
Accretion of asset retirement obligation	424			406			848			811
Restructuring expense	—			—			—			1,827
Other operating income	(2,312		)	(305		)	(2,246		)	(3,250		)
Operating (Loss) Income	(3,931		)	8,513			6,831			6,472
Other Income (Expense)
Interest expense, net	(1,602		)	(1,556		)	(3,246		)	(2,936		)
Interest income	200			22			355			75
Other income	46			225			373			460
(Loss) Income Before Income Taxes	(5,287		)	7,204			4,313			4,071
Income Tax Benefit (Expense)	350			(1,642		)	(2,721		)	1,136
Net (Loss) Income	$	(4,937	)	$	5,562		$	1,592		$	5,207
Weighted Average Shares Outstanding:
Basic	75,683,075			75,514,991			75,636,343			75,480,165
Diluted	75,683,075			75,573,918			75,731,910			75,534,138
(Loss) Earnings Per Share:
Basic	$	(0.07	)	$	0.07		$	0.02		$	0.07
Diluted	$	(0.07	)	$	0.07		$	0.02		$	0.07

See accompanying notes to these condensed consolidated financial statements.

2

INTREPID POTASH, INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME

(In thousands)

	Three Months Ended June 30,					Six Months Ended June 30,
	2015			2014		2015			2014
Net (Loss) Income	$	(4,937	)	$	5,562	$	1,592		$	5,207
Other Comprehensive (Loss) Income:
Unrealized (loss) gain on investments available for sale, net of tax	(35		)	—		(25		)	12
Other Comprehensive (Loss) Income	(35		)	—		(25		)	12
Comprehensive (Loss) Income	$	(4,972	)	$	5,562	$	1,567		$	5,219

See accompanying notes to these condensed consolidated financial statements.

3

INTREPID POTASH, INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(In thousands, except share amounts)

	Common Stock			Additional Paid-in Capital			Accumulated Other Comprehensive Loss			Retained Earnings		Total Stockholders' Equity
	Shares	Amount
Balance, December 31, 2014	75,536,741	$	76	$	576,186		$	(28	)	$	371,051	$	947,285
Unrealized loss on investments available for sale, net of tax	—	—		—			(25		)	—		(25		)
Net income	—	—		—			—			1,592		1,592
Stock-based compensation	—	—		2,595			—			—		2,595
Vesting of restricted common stock, net of restricted common stock used to fund employee income tax withholding due upon vesting	163,914	—		(1,030		)	—			—		(1,030		)
Balance, June 30, 2015	75,700,655	$	76	$	577,751		$	(53	)	$	372,643	$	950,417

See accompanying notes to these condensed consolidated financial statements.

4

INTREPID POTASH, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

	Six Months Ended June 30,
	2015			2014
Cash Flows from Operating Activities:
Net income	$	1,592		$	5,207
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	2,754			(28		)
Depreciation, depletion, and accretion	40,673			39,523
Stock-based compensation	2,595			2,531
Lower-of-cost-or-market inventory adjustments	5,636			4,706
Other	1,048			(52		)
Changes in operating assets and liabilities:
Trade accounts receivable, net	12,919			(12,200		)
Other receivables, net	(3,671		)	2,354
Refundable income taxes	(174		)	989
Inventory, net	(10,903		)	12,510
Prepaid expenses and other assets	1,063			1,852
Accounts payable, accrued liabilities, and accrued employee compensation and benefits	244			(707		)
Other liabilities	1,418			(836		)
Net cash provided by operating activities	55,194			55,849
Cash Flows from Investing Activities:
Additions to property, plant, equipment, and mineral properties	(18,989		)	(45,139		)
Purchases of investments	(72,227		)	(7		)
Proceeds from sale of investments	9,748			20,583
Net cash used in investing activities	(81,468		)	(24,563		)
Cash Flows from Financing Activities:
Employee tax withholding paid for restricted stock upon vesting	(1,030		)	(611		)
Net cash used in financing activities	(1,030		)	(611		)
Net Change in Cash and Cash Equivalents	(27,304		)	30,675
Cash and Cash Equivalents, beginning of period	67,589			394
Cash and Cash Equivalents, end of period	$	40,285		$	31,069
Supplemental disclosure of cash flow information
Net cash paid (refunded) during the period for:
Interest, net of $0 million, and $0.4 million of capitalized interest	$	3,124		$	2,820
Income taxes	$	41		$	(2,097	)
Accrued purchases for property, plant, equipment, and mineral properties	$	5,557		$	7,672

See accompanying notes to these condensed consolidated financial statements.

5

INTREPID POTASH, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

"Intrepid," "our," "we," or "us" means Intrepid Potash, Inc. and its consolidated subsidiaries.

Note 1 — COMPANY BACKGROUND

We are the only producer of muriate of potash (“potassium chloride” or “potash”) in the United States and one of two producers of langbeinite ("sulfate of potash magnesia"), which we market and sell as Trio^®. We sell potash and Trio^® primarily into the agricultural market as a fertilizer. We also sell these products into the animal feed market as a nutritional supplement and sell potash into the industrial market as a component in drilling and fracturing fluids for oil and gas wells and other industrial inputs. Our revenues are generated exclusively from the sale of potash and Trio^®. We also produce salt and magnesium chloride from our potash mining processes, the sales of which are accounted for as by-product credits to our cost of sales. These by-product credits represented approximately 2% to 3% of total cost of goods sold in each of the last three years.

We own three solution mining facilities and two conventional underground mining facilities that we utilize for producing potash. Our solution mining production comes from our HB solar solution mine near Carlsbad, New Mexico, a solar solution mine near Moab, Utah, and a solar brine recovery mine in Wendover, Utah. Our conventional production comes from our underground West and East mines near Carlsbad, New Mexico. We also operate the North compaction facility near Carlsbad, New Mexico, which services the West and HB mines. Trio^® production comes from underground conventional mining of a mixed ore body that contains both potash and langbeinite, which is mined and processed at the East facility near Carlsbad, New Mexico.

We manage sales and marketing operations centrally. This allows us to evaluate the product needs of our customers and then centrally determine which of our production facilities to use to fill customers’ orders in a manner designed to realize the highest average net realized sales price per ton. We calculate average net realized sales price per ton by deducting freight costs from gross revenues and then by dividing this result by tons of product sold during the period. We also monitor product inventory levels and overall production costs centrally. We have one reporting segment being the extraction, production, and sale of potassium-related products. Our extraction and production operations are conducted entirely in the continental United States.

Note 2 — SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Principles of Consolidation—Our consolidated financial statements include our accounts and those of our wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. In the opinion of management, all adjustments, consisting of normal recurring accruals considered necessary for a fair presentation of interim financial information, have been included.

Use of Estimates—The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities as of the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. We base our estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances. Accordingly, actual results may differ significantly from these estimates under different assumptions or conditions.

Significant estimates include, but are not limited to, those for proven and probable mineral reserves, the related present value of estimated future net cash flows, useful lives of plant assets, asset retirement obligations, normal inventory production levels, inventory valuations, the valuation of equity awards, the valuation of receivables, valuation of our deferred tax assets and estimated blended income tax rates utilized in the current and deferred income tax calculations. There are numerous uncertainties inherent in estimating quantities of proven and probable reserves, projecting future rates of production, and the timing of development expenditures. Future mineral prices may vary significantly from the prices in effect at the time the estimates are made, as may estimates of future operating costs. The estimate of proven and probable mineral reserves, the related present value of estimated future cash flows, and useful lives of plant assets can affect various other items including depletion, the net carrying value of our mineral properties, the useful lives of related property, plant, and equipment, depreciation expense, and estimates associated with recoverability of long-lived assets and asset retirement obligations. Specific to income tax items, we experience fluctuations in the valuation of the deferred tax assets and liabilities due to changing state income tax rates and the blend of state tax rates.

6

Revenue Recognition—Revenue is recognized when evidence of an arrangement exists, risks and rewards of ownership have been transferred to customers, which is generally when title passes, the selling price is fixed and determinable, and collection is reasonably assured. Title passes at the designated shipping point for the majority of sales, but, in a few cases, title passes at the delivery destination. The shipping point may be the plant, a distribution warehouse, a customer warehouse, or a port. Title passes for some international shipments upon payment by the purchaser; however, revenue is not recognized for these transactions until shipment because the risks and rewards of ownership have not transferred pursuant to a contractual arrangement. Prices are generally set at the time of, or prior to, shipment. In cases where the final price is determined upon resale of the product by the customer, revenue is deferred until the final sales price is known.

Sales are reported on a gross basis. We quote prices to customers both on a delivered basis and on the basis of pick-up at our plants and warehouses. When a sale occurs on a delivered basis, we incur and, in turn, bill the customer and record as gross revenue the product sales value, freight, packaging, and certain other distribution costs. Many customers, however, arrange and pay for these costs directly and, in these situations, only the product sales are included in gross revenues.

By-Product Credits—When by-product inventories are sold, we record the sale of by-products as a credit to cost of goods sold.

Property, Plant, Equipment, Mineral Properties and Development Costs—Property, plant, and equipment are stated at historical cost. Expenditures for property, plant, and equipment relating to new assets or improvements are capitalized, provided the expenditure extends the useful life of an asset or extends the asset’s functionality. Property, plant, and equipment are depreciated under the straight-line method using estimated useful lives. No depreciation is taken on assets classified as construction in progress until the asset is placed into service. Gains and losses are recorded upon retirement, sale, or disposal of assets. Maintenance and repair costs are recognized as period costs when incurred. Capitalized interest, to the extent of debt outstanding, is calculated and capitalized on assets that are being constructed, drilled, or built or that are otherwise classified as construction in progress.

Mineral properties and development costs, which are referred to collectively as mineral properties, include acquisition costs, the cost of drilling production wells, and the cost of other development work, all of which are capitalized. Depletion of mineral properties is calculated using the units-of-production method over the estimated life of the relevant ore body. The lives of reserves used for accounting purposes are shorter than current reserve life determinations due to uncertainties inherent in long-term estimates. These reserve life estimates have been prepared by us and reviewed and independently determined by mine consultants. Tons of potash and langbeinite in the proven and probable reserves are expressed in terms of expected finished tons of product to be realized, net of estimated losses. Market price fluctuations of potash or Trio^®, as well as increased production costs or reduced recovery rates, could render proven and probable reserves containing relatively lower grades of mineralization uneconomic to exploit and might result in a reduction of reserves. In addition, the provisions of our mineral leases, including royalty provisions, are subject to periodic readjustment by the state and federal government, which could affect the economics of our reserve estimates. Significant changes in the estimated reserves could have a material impact on our results of operations and financial position.

Fair Value of Financial Instruments—Our financial instruments include cash and cash equivalents, short-term and long-term investments, restricted cash, accounts receivable, refundable income taxes, and accounts payable. These instruments are carried at cost, which approximates fair value due to the short-term maturities of the instruments. All available-for-sale investments are carried at fair value. Allowances for doubtful accounts are recorded against the accounts receivable balance to estimate net realizable value. The fair value of the long-term debt is estimated using discounted cash flow analysis based on current borrowing rates for debt with similar remaining maturities and ratings. Although there are no amounts currently outstanding under our unsecured credit facility, any borrowings that become outstanding would bear interest at a floating rate and therefore be recorded at their estimated fair value.

Earnings per Share—Basic net income or loss per common share of stock is calculated by dividing net income or loss available to common stockholders by the weighted average basic common shares outstanding for the respective period.

Diluted net income or loss per common share of stock is calculated by dividing net income or loss by the weighted average diluted common shares outstanding, which includes the effect of potentially dilutive securities. Potentially dilutive securities for the diluted earnings or loss per share calculation consist of awards of non-vested restricted shares of common stock, non-vested performance units, and non-qualified stock options. The dilutive effect of stock based compensation arrangements are computed using the treasury stock method. Following the lapse of the vesting period of restricted shares of common stock, the shares are considered issued and therefore are included in the number of issued and outstanding shares for purposes of these calculations.

7

Note 3 — (LOSS) EARNINGS PER SHARE

Potentially dilutive securities, including non-vested restricted common stock, stock options, and performance units, are excluded from the diluted weighted average shares outstanding computation in periods in which they have an anti-dilutive effect, such as when there is a net loss. The treasury stock method is used to measure the dilutive impact of non-vested restricted common stock, stock options outstanding, and performance units. The following table shows the shares that have an anti-dilutive effect and are excluded from the diluted weighted average shares outstanding computations:

	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Anti-dilutive effect of non-vested restricted common stock	474,481	137,093	161,675	107,285
Anti-dilutive effect of stock options outstanding	319,563	333,612	320,241	335,171
Anti-dilutive effect of performance units	194,374	—	131,621	—

The following table sets forth the calculation of basic and diluted earnings per share (in thousands, except per share amounts):

	Three Months Ended June 30,					Six Months Ended June 30,
	2015			2014		2015		2014
Net (loss) income	$	(4,937	)	$	5,562	$	1,592	$	5,207
Basic weighted average common shares outstanding	75,683			75,515		75,636		75,480
Add: Dilutive effect of non-vested restricted common stock	—			49		90		43
Add: Dilutive effect of performance units	—			10		6		11
Diluted weighted average common shares outstanding	75,683			75,574		75,732		75,534
(Loss) Earnings per share:
Basic	$	(0.07	)	$	0.07	$	0.02	$	0.07
Diluted	$	(0.07	)	$	0.07	$	0.02	$	0.07

8

Note 4— CASH, CASH EQUIVALENTS, AND INVESTMENTS

The following table summarizes the fair value of our cash and investments held in our portfolio, recorded as cash and cash equivalents or short-term or long-term investments as of June 30, 2015, and December 31, 2014 (in thousands):

	June 30, 2015		December 31, 2014
Cash	$	14,184	$	16,506
Commercial paper and money market accounts	26,101		51,083
Total cash and cash equivalents	$	40,285	$	67,589
Corporate bonds	$	62,217	$	9,432
Certificates of deposit and time deposits	1,004		1,002
Total short-term investments	$	63,221	$	10,434
Corporate bonds	$	20,851	$	11,856
Total long-term investments	$	20,851	$	11,856
Total cash, cash equivalents, and investments	$	124,357	$	89,879

The following tables summarize the cost basis, unrealized gains and losses, and fair value of our available-for-sale investments held in our portfolio as of June 30, 2015, and December 31, 2014 (in thousands):

	June 30, 2015
			Unrealized
	Cost Basis		Gain		Loss			Fair Value
Corporate bonds	$	83,156	$	11	$	(99	)	$	83,068
Certificates of deposit and time deposits	1,004		—		—			1,004
Total available-for-sale securities	$	84,160	$	11	$	(99	)	$	84,072

	December 31, 2014
			Unrealized
	Cost Basis		Gain		Loss			Fair Value
Corporate bonds	$	21,335	$	1	$	(48	)	$	21,288
Certificates of deposit and time deposits	1,002		—		—			1,002
Total available-for-sale securities	$	22,337	$	1	$	(48	)	$	22,290

9

Note 5 — INVENTORY AND LONG-TERM PARTS INVENTORY

The following summarizes our inventory, recorded at the lower of weighted average cost or estimated net realizable value, as of June 30, 2015, and December 31, 2014, respectively (in thousands):

	June 30, 2015		December 31, 2014
Finished goods product inventory	$	42,571	$	44,137
In-process mineral inventory	22,233		19,584
Total product inventory	64,804		63,721
Current parts inventory, net	22,043		20,373
Total current inventory, net	86,847		84,094
Long-term parts inventory, net	18,879		16,366
Total inventory, net	$	105,726	$	100,460

Parts inventories are shown net of any required allowances.

During the six months ended June 30, 2015, and 2014, we recorded charges of approximately $5.6 million and $4.7 million, respectively, as a result of routine assessments of the lower of weighted average cost or estimated net realizable value on our finished goods product inventory.

Note 6 — PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES

“Property, plant, equipment, and mineral properties, net" were comprised of the following (in thousands):

	June 30, 2015			December 31, 2014
Buildings and plant	$	269,752		$	268,032
Machinery and equipment	533,986			529,358
Vehicles	13,479			13,799
Office equipment and improvements	19,802			19,260
Ponds and land improvements	74,729			73,933
Total depreciable assets	911,748			904,382
Accumulated depreciation	(307,240		)	(271,294		)
Total depreciable assets, net	$	604,508		$	633,088
Mineral properties and development costs	$	164,819		$	163,197
Accumulated depletion	(19,989		)	(17,544		)
Total depletable assets, net	$	144,830		$	145,653
Land	909			909
Construction in progress	$	14,603		$	5,600
Total property, plant, equipment, and mineral properties, net	$	764,850		$	785,250

We incurred the following expenses for depreciation, depletion, and accretion, including expenses capitalized into inventory, for the following periods (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Depreciation	$	18,485	$	18,636	$	37,364	$	36,896
Depletion	488		832		2,461		1,816
Accretion	424		406		848		811
Total incurred	$	19,397	$	19,874	$	40,673	$	39,523

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Note 7 — DEBT

Unsecured Credit Facility— We have an unsecured credit facility, led by U.S. Bank, as administrative agent, and Wells Fargo Bank, as syndication agent. This unsecured revolving credit facility provides credit of up to $250 million. The actual amount available to us is limited by our leverage ratio, which may not exceed 3.5, and our fixed charge coverage ratio, which may not be below 1.3. As of June 30, 2015, $212 million of the facility was available to us. Based on current market conditions, we expect the amount available to us will continue to be limited during 2015 as a result of the operation of these ratios.

Under the facility, the leverage ratio is defined as the ratio of total funded indebtedness to adjusted EBITDA (earnings before interest, income taxes, depreciation, amortization, and certain other expenses) for the prior four fiscal quarters. The fixed charge coverage ratio is defined as the ratio of adjusted EBITDA for the prior four fiscal quarters to fixed charges.

The facility is unsecured and is guaranteed by our material subsidiaries. The facility has a maturity date of August 2018. As of June 30, 2015, and December 31, 2014, there were no amounts outstanding under the facility. We were in compliance with the covenants under the credit facility as of June 30, 2015.

Unsecured Senior Notes—In April 2013, we issued $150 million aggregate principal amount of unsecured senior notes ("the Notes") pursuant to a note purchase agreement entered into in August 2012. We received proceeds of $149.3 million, net of offering costs. The Notes consist of the following series:

• $60 million of 3.23% Senior Notes, Series A, due April 16, 2020

• $45 million of 4.13% Senior Notes, Series B, due April 14, 2023

• $45 million of 4.28% Senior Notes, Series C, due April 16, 2025

The Notes are senior unsecured obligations and rank equally in right of payment with any other unsubordinated unsecured indebtedness of ours. The Notes are subject to the same leverage ratio and fixed charge coverage ratio as apply under the credit facility. The obligations under the Notes are unconditionally guaranteed by our material subsidiaries.

We were in compliance with the covenants under the Notes as of June 30, 2015.

Interest is paid semiannually on April 16 and October 16 of each year. Interest expense is recorded net of any capitalized interest associated with investments in capital projects. We incurred gross interest expense of $3.3 million for both the six months ended June 30, 2015, and 2014. We capitalized an immaterial amount and $0.4 million of interest during the six months ended June 30, 2015, and 2014, respectively.

Note 8 — ASSET RETIREMENT OBLIGATION

We recognize an estimated liability for future costs associated with the abandonment and reclamation of our mining properties. A liability for the fair value of an asset retirement obligation and a corresponding increase to the carrying value of the related long-lived asset are recorded as the mining operations occur or the assets are acquired.

Our asset retirement obligation is based on the estimated cost to abandon and reclaim the mining operations, the economic life of the properties, and federal and state regulatory requirements. The liability is discounted using credit adjusted risk-free rate estimates at the time the liability is incurred or when there are upward revisions to estimated costs. The credit adjusted risk-free rates used to discount our abandonment liabilities range from 6.9% to 8.5%. Revisions to the liability occur due to construction of new or expanded facilities, changes in estimated abandonment costs or economic lives, or if federal or state regulators enact new requirements regarding the abandonment or reclamation of mines.

Following is a table of the changes to our asset retirement obligation for the following periods (in thousands):

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	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Asset retirement obligation, at beginning of period	$	22,461		$	21,376		$	22,037		$	21,047
Liabilities settled	(16		)	(45		)	(16		)	(121		)
Liabilities incurred	—			—			—			—
Changes in estimated obligations	—			—			—			—
Accretion of discount	424			406			848			811
Total asset retirement obligation, at end of period	$	22,869		$	21,737		$	22,869		$	21,737

The current portion of the asset retirement obligation of $1.6 million is included in "Other" current liabilities on the condensed consolidated balance sheets as of June 30, 2015, and December 31, 2014. The undiscounted amount of asset retirement obligation is $57.7 million as of June 30, 2015.

Note 9 — COMPENSATION PLANS

Cash Bonus Plan—We have cash bonus plans that allow participants to receive varying percentages of their aggregate base salary. Any awards under the cash bonus plans are based on a variety of elements related to our performance in certain production, operational, financial, and other areas, as well as the participants’ individual performance. We accrue cash bonus expense related to the current year’s performance.

Equity Incentive Compensation Plan—Our Board of Directors and stockholders adopted a long-term incentive compensation plan called the Intrepid Potash, Inc. Equity Incentive Plan, as Amended and Restated (the "Plan"). We have issued common stock, restricted shares of common stock, performance units, and non-qualified stock option awards under the Plan. As of June 30, 2015, the following awards were outstanding under the plan: 470,602 shares of non-vested restricted shares of common stock; non-vested performance units representing 383,447 shares of common stock; and options to purchase 319,283 shares of common stock. As of June 30, 2015, approximately 2.9 million shares of common stock remained available for issuance under the Plan.

Common Stock—On an annual basis, under the Plan, the Compensation Committee of the Board of Directors (the "Compensation Committee") has approved the award of shares of common stock to the non-employee members of the Board of Directors as compensation for service for the period ending on the date of our annual stockholders’ meeting for the following year. These shares of common stock were granted without restrictions and vested immediately.

Non-vested Restricted Shares of Common Stock—Under the Plan, grants of non-vested restricted shares of common stock have been awarded to executive officers, other key employees, and consultants. The awards contain service conditions associated with continued employment or service. The terms of the non-vested restricted shares of common stock provide voting and regular dividend rights to the holders of the awards. Upon vesting, the restrictions on the restricted shares of common stock lapse and the shares are considered issued and outstanding.

Since 2009, the Compensation Committee has granted restricted shares of common stock under the Plan in the first quarter of each year to our executive management team and other selected employees as part of an annual equity award program. These awards vest ratably over three years. From time to time, the Compensation Committee grants restricted shares of common stock to newly hired or promoted employees or other employees or consultants who have achieved extraordinary personal performance objectives. These restricted shares of common stock generally vest over one- to four-year periods.

In measuring compensation expense associated with the grant of non-vested restricted shares of common stock, we use the fair value of the award, determined as the closing stock price for our common stock on the grant date. Compensation expense is recorded monthly over the vesting period of the award. Total compensation expense related to the non-vested restricted shares of common stock awards was $0.8 million and $1.1 million for the three months ended June 30, 2015, and 2014, respectively. Total compensation expense related to the non-vested restricted shares of common stock awards was $1.7 million and $1.9 million for the six months ended June 30, 2015, and 2014, respectively. These amounts are net of estimated forfeiture adjustments. As of June 30, 2015, there was $5.8 million of total remaining unrecognized compensation expense related to non-vested restricted shares of common stock that will be expensed through 2018.

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A summary of activity relating to our non-vested restricted shares of common stock for the six months ended June 30, 2015, is presented below.

			Weighted Average Grant-Date Fair Value
	Shares
Non-vested restricted shares of common stock, beginning of period	464,769		$	16.49
Granted	237,256		$	14.28
Vested	(198,141	)	$	17.80
Forfeited	(33,282	)	$	15.17
Non-vested restricted shares of common stock, end of period	470,602		$	14.91

Performance Units—In 2015, the Compensation Committee granted at-risk performance units under the Plan to a member of our executive team as part of their annual compensation package. The performance units vest in February 2018 and contain market-based conditions relating to one-, two- and three-year performance periods beginning on the grant date. A total of 378,150 shares of common stock are available for future payout under these performance units, subject to continued employment through the vesting date.

In 2013 and 2012, the Compensation Committee granted performance units under the Plan to certain members of our executive management team as part of the annual equity award program. The performance units vest ratably over three years and contain operational- and market-based conditions relating to the year of grant. The time frames for meeting both the operational- and market-based conditions of the 2013 and 2012 grants have passed, and a total of 5,297 shares of common stock are available for future payout under these performance units, subject to continued employment of the individual grantees through the vesting dates.

Non-qualified Stock Options—From 2009 to 2011, the Compensation Committee issued non-qualified stock options under the Plan in the first quarter of each year to our executive management and other selected employees as part of our annual award program. These stock options generally vested ratably over three years. In measuring compensation expense for options, we estimated the fair value of the award on the grant dates using the Black‑Scholes option valuation model. Option valuation models require the input of highly subjective assumptions, including the expected volatility of the price of the underlying stock.

As of March 31, 2014, all outstanding stock options were fully vested. Realized tax benefits from tax deductions for exercised options in excess of the deferred tax asset attributable to stock compensation for these options are recorded as “excess tax benefits” when the tax deductions occur.

A summary of our stock option activity for the six months ended June 30, 2015, is as follows:

	Shares	Weighted Average Exercise Price	Aggregate Intrinsic Value (1)	Weighted Average Remaining Contractual Life	Weighted Average Grant-Date Fair Value
Outstanding non-qualified stock
options, end of period	319,283	$26.14	$—	3.1	$13.04
Vested or expected to vest, end
of period	319,283	$26.14	$—	3.1	$13.04
Exercisable non-qualified
stock options, end of period	319,283	$26.14	$—	3.1	$13.04

(1) The intrinsic value of a stock option is the amount by which the market value exceeds the exercise price as of the end of the period presented.

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Note 10 — INCOME TAXES

Our effective tax rate is impacted primarily by the amount of taxable income associated with each jurisdiction in which our income is subject to income tax, permanent differences between the financial statement carrying amounts and tax bases of assets and liabilities.

A summary of the provision for income taxes is as follows (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Current portion of income tax (benefit) expense	$	(148	)	$	(1,108	)	$	(34	)	$	(1,108	)
Deferred portion of income tax (benefit) expense	(202		)	2,750			2,755			(28		)
Total income tax (benefit) expense	$	(350	)	$	1,642		$	2,721		$	(1,136	)
Effective tax rate	6.6		%	22.8		%	63.1		%	(27.9		)%

During the three and six months ended June 30, 2015, our effective tax rate differed from the statutory rate primarily as a result of the benefit from estimated depletion deductions that exceed the tax basis in the mineral reserves. The size of the estimated depletion deductions relative to pre-tax income (loss) levels had, and is expected to have, a pronounced impact on our effective tax rate in 2015. During the three months ended June 30, 2014, in addition to the items noted above, we also benefited from a discrete adjustment related to the reversal of a $1.7 million valuation allowance related to our New Mexico net operating loss carry forwards, as those carry forwards became realizable based on legislation passed by the State of New Mexico in the first quarter of 2014.

The blended state tax rate applied to the deferred tax calculation is subject to change due to changes in state laws and changes in the mix of our business and the states in which we have a taxable relationship. This creates fluctuations in the value of our net deferred tax asset.

Note 11 — COMMITMENTS AND CONTINGENCIES

Marketing Agreements—We have a marketing agreement appointing PCS Sales (USA), Inc. (“PCS Sales”) as our exclusive sales representative for potash export sales, with the exception of sales to Canada and Mexico, and appointing PCS Sales as our non-exclusive sales representative for potash sales into Mexico. Trio^® is also marketed under this arrangement. This agreement is cancelable with 30 days' written notice.

Reclamation Deposits and Surety Bonds—As of June 30, 2015, we had $18.0 million of security placed principally with the State of Utah and the Bureau of Land Management for eventual reclamation of our various facilities. Of this total requirement, as of June 30, 2015, $0.5 million consisted of long-term restricted cash deposits reflected in “Other” long-term assets on the condensed consolidated balance sheets, and $17.5 million was secured by surety bonds issued by an insurer. The surety bonds are held in place by an annual fee paid to the issuer.

We may be required to post additional security to fund future reclamation obligations as reclamation plans are updated or as governmental entities change requirements.

New Mexico Employment Credits—Beginning in 2011, based on an approval and payment of an application with the State of New Mexico, we began recording an estimate of refundable employment-related credits for qualified wages paid in New Mexico, known as the New Mexico High Wage Jobs Credit. The estimated recoverable value of these credits has been, and continues to be, reflected as a reduction to production costs and amounts yet to be collected are recorded in “Other receivables, net” in the condensed consolidated balance sheets in the same period in which the credit is earned.

In the third quarter of 2013, the New Mexico Taxation and Revenue Department denied our application to receive the New Mexico High Wage Jobs Credit for certain prior years' filings. Considering the uncertainty associated with collection of these credits, we recorded an additional allowance of approximately $2.8 million in the third quarter of 2013, for credits relating to the denied periods in order to reflect the denial of the claimed credits. In March 2014, as a result of our continuing efforts to collect these credits, we received notification from the New Mexico Taxation and Revenue Department that $5.9 million of credits previously denied were approved. Accordingly, during the first quarter of 2014, we reversed $2.9 million of the previously established allowance to reflect the collectability of these credits. These credits are typically considered in our

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product inventory calculations as they relate to the labor associated with operations. As the inventory associated with the periods during which the credits were originally earned has since been sold, we recorded the reversal of the allowance as "Other operating income" in the condensed consolidated statement of operations for the three months ended June 30, 2014. As of June 30, 2015, we have a receivable of $2.2 million, net of an allowance of $0.5 million, associated with the New Mexico High Wage Jobs Credits, and we intend to continue to vigorously pursue recovery of all unpaid credits.

Legal—We are subject to claims and legal actions in the ordinary course of business. While there are uncertainties in predicting the outcome of any claim or legal action, we believe that the ultimate resolution of these claims or actions is not reasonably likely to have a material adverse effect on our financial condition, results of operations or cash flows.

Future Operating Lease Commitments—We have operating leases for land, mining and other operating equipment, an airplane, offices, and railcars, with original terms ranging up to 20 years. In May 2015, we exercised our option to terminate our existing office lease effective May 1, 2016. Under the provisions of our existing lease, we incurred a termination penalty of $1.2 million which we expect will be payable in the first quarter of 2016. The termination penalty charge is included in selling and administrative expense in the second quarter of 2015.

Rental and lease expenses follow for the indicated periods, excluding the lease termination penalty (in thousands):

2015
For the three months ended June 30, 2015	$	1,977
For the six months ended June 30, 2015	$	3,721
2014
For the three months ended June 30, 2014	$	1,629
For the six months ended June 30, 2014	$	3,210

Note 12 — FAIR VALUE MEASUREMENTS

We applied the provisions of the Financial Accounting Standards Board ("FASB") Accounting Standards Codification™ (“ASC”) Topic 820, Fair Value Measurements and Disclosures, for all financial assets and liabilities measured at fair value on a recurring basis. The topic establishes a framework for measuring fair value and requires disclosures about fair value measurements. ASC Topic 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The topic establishes market or observable inputs as the preferred sources of values, followed by assumptions based on hypothetical transactions in the absence of market inputs. The topic also establishes a hierarchy for grouping these assets and liabilities based on the significance level of the following inputs, as follows:

• Level 1—Quoted prices in active markets for identical assets and liabilities.

• Level 2—Quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar instruments in markets that are not active, and model‑derived valuations whose inputs are observable or whose significant value drivers are observable.

• Level 3—Significant inputs to the valuation model are unobservable.

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The following is a listing of our assets and liabilities required to be measured at fair value on a recurring basis and where they are classified within the hierarchy as of June 30, 2015, and December 31, 2014 (in thousands):

			Fair Value at Reporting Date Using
	June 30, 2015		Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Investments
Corporate bonds	$	83,068	$	—	$	83,068	$	—

			Fair Value at Reporting Date Using
	December 31, 2014		Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Investments
Corporate bonds	$	21,288	$	—	$	21,288	$	—

Financial assets or liabilities are categorized within the hierarchy based upon the lowest level of input that is significant to the fair value measurement. Below is a general description of our valuation methodologies for financial assets and liabilities, which are measured at fair value and are included on the condensed consolidated balance sheets.

Our available-for-sale investments consist of corporate bonds that are valued using Level 2 inputs. Market pricing for these investments is obtained from an established financial markets data provider.

The methods described above may result in a fair value estimate that may not be indicative of net realizable value or may not be reflective of future fair values and cash flows. While we believe that the valuation methods used are appropriate and consistent with the requirements of ASC Topic 820 and the methods used by other marketplace participants, we recognize that third parties may use different methodologies or assumptions to determine the fair value of certain financial instruments that could result in a different estimate of fair value at the reporting date.

Financial Instruments—The carrying values and estimated fair values of our financial instruments as of June 30, 2015, and December 31, 2014, are as follows (in thousands):

	June 30, 2015				December 31, 2014
	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt	$	150,000	$	147,000	$	150,000	$	138,000

For cash and cash equivalents, certificate of deposit investments, accounts receivable, refundable income taxes, and accounts payable, the carrying amount approximates fair value because of the short-term maturity of these instruments. The estimated fair value of the long-term debt is estimated using a discounted cash flow analysis based on current borrowing rates for debt with similar remaining maturities and ratings (a Level 2 input) and is designed to approximate the amount at which the instruments could be exchanged in an arm's length transaction between knowledgeable willing parties.

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Note 13 — RESTRUCTURING CHARGE

In January 2014, in response to declining potash prices and completion of our major capital projects, we undertook a number of cost saving actions that were intended to better align our cost structure with the business environment. These initiatives included the elimination of approximately 7% of the workforce, reduction in the use of outside professionals, and cutbacks in other general and administrative areas. In early 2014, we also temporarily decreased executive and senior management compensation; we reinstated most executive and senior management salaries in mid-2014 and reinstated other compensation elements in 2015. For the six months ended June 30, 2014, we recognized a restructuring expense of $1.8 million, which is comprised primarily of severance-related payments.

Note 14 — RECENT ACCOUNTING PRONOUNCEMENTS

In May 2014, the FASB issued Accounting Standards Update No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” which requires revenue to be recognized based on the amount an entity is expected to be entitled to for promised goods or services provided to customers. The standard also requires expanded disclosures regarding contracts with customers. The guidance in this standard supersedes the revenue recognition requirements in Topic 605, "Revenue Recognition", and most industry-specific guidance. This guidance is effective for us beginning January 1, 2018, with retrospective application required, subject to certain practical expedients. We are currently evaluating the requirements of this standard, and have not yet determined the impact on our results of operations or financial position.

In April 2015, the FASB issued Accounting Standards Update No. 2015-03, “Simplifying the Presentation of Debt Issuance Costs.” Under this standard we will present debt issuance costs in the balance sheet as a reduction from the related debt liability rather than as an asset. Amortization of such costs will continue to be reported as interest expense. This guidance is effective for us beginning January 1, 2016, but early adoption is allowed. We have not determined the period in which we will adopt the new guidance. Retrospective adoption is required. Upon adoption, our deferred financing costs will be reclassified from "Prepaid expenses and other current assets" and "Other assets, net" to "Long-term debt."

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

This Quarterly Report on Form 10-Q contains forward‑looking statements within the meaning of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the Securities Act of 1933, as amended (the “Securities Act”). These forward‑looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. All statements in this Quarterly Report on Form 10-Q other than statements of historical fact are forward‑looking statements. Forward-looking statements include statements about our future results of operations and financial position, our business strategy and plans, and our objectives for future operations, among other things. In some cases, you can identify these statements by forward‑looking words, such as “estimate,” “expect,” “anticipate,” “project,” “plan,” “intend,” “believe,” “forecast,” “foresee,” “likely,” “may,” “should,” “goal,” “target,” “might,” “will,” “could,” “predict,” and “continue.” Forward‑looking statements are only predictions based on our current knowledge, expectations, and projections about future events.

These forward-looking statements are subject to a number of risks, uncertainties, and assumptions, including the following:

• changes in the price, demand, or supply of potash or Trio^®/langbeinite

• circumstances that disrupt or limit our production, including operational difficulties or operational variances due to geological or geotechnical variances

• interruptions in rail or truck transportation services, or fluctuations in the costs of these services

• increased labor costs or difficulties in hiring and retaining qualified employees and contractors, including workers with mining, mineral processing, or construction expertise

• the costs of, and our ability to successfully construct, commission, and execute, any of our strategic projects

• adverse weather events, including events affecting precipitation and evaporation rates at our solar solution mines

• changes in the prices of raw materials, including chemicals, natural gas, and power

• the impact of federal, state, or local governmental regulations, including environmental and mining regulations; the enforcement of those regulations; and governmental policy changes

• our ability to obtain any necessary governmental permits relating to the construction and operation of assets

• changes in our reserve estimates

• competition in the fertilizer industry

• declines or changes in U.S. or world agricultural production or fertilizer application rates

• declines in the use of potash products by oil and gas companies in their drilling operations

• changes in economic conditions

• our ability to comply with covenants in our debt-related agreements to avoid a default under those agreements, or the total amount available to us under our credit facility is reduced, in whole or in part, because of covenant limitations

• disruption in the credit markets

• our ability to secure additional federal and state potash leases to expand our existing mining operations

• the other risks, uncertainties, and assumptions described in Item 1A. Risk Factors of our Annual Report on Form 10-K for the year ended December 31, 2014, as updated by our subsequent Quarterly Reports on Form 10-Q

In addition, new risks emerge from time to time. It is not possible for our management to predict all risks that may cause actual results to differ materially from those contained in any forward-looking statements we may make.

In light of these risks, uncertainties, and assumptions, the future events and trends discussed in this Quarterly Report on Form 10-Q may not occur and actual results could differ materially and adversely from those anticipated or implied in these forward-looking statements. As a result, you should not place undue reliance on these forward-looking statements. We undertake no obligation to publicly update any forward-looking statements, except as required by law.

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Our Company

We are the only producer of potash in the United States and are one of two producers of langbeinite, which we market and sell as Trio^®. We sell potash and Trio^® primarily into the agricultural market as a fertilizer. We also sell these products into the animal feed market as a nutritional supplement and sell potash into the industrial market as a component in drilling and fracturing fluids for oil and gas wells and other industrial inputs. Our revenues are generated exclusively from the sale of potash and Trio^®. We also produce salt and magnesium chloride from our potash mining processes, the sales of which are accounted for as by-product credits to our cost of sales. These by-product credits represented approximately 2% to 3% of total cost of goods sold in each of the last three years.

We own three solution mining facilities and two conventional underground mining facilities that we utilize for producing potash. Our solution mining production comes from our HB solar solution mine near Carlsbad, New Mexico, a solar solution mine near Moab, Utah and a solar brine recovery mine in Wendover, Utah. Our conventional production comes from our underground West and East mines near Carlsbad, New Mexico. We also operate the North compaction facility near Carlsbad, New Mexico, which services the West and HB mines. Trio^® production comes from underground conventional mining of a mixed ore body that contains both potash and langbeinite, which is mined and processed at the East facility near Carlsbad, New Mexico. We have additional opportunities to develop mineralized deposits of potash in New Mexico as well as to continue the optimization of our processing plants. These opportunities potentially include additional solution mining activities, additional recoveries of langbeinite and acceleration of production from our reserves.

We routinely post important information about us and our business, including information about upcoming investor presentations, on our website under the Investor Relations tab. We encourage investors and other interested parties to enroll on our website to receive automatic email alerts or Really Simple Syndication (RSS) feeds regarding new postings. Our website is www.intrepidpotash.com.

Significant Business Trends and Activities

Our financial results have been impacted by several significant trends, which are described below. We expect that these trends will continue to drive our results of operations, cash flows, and financial position.

• Potash demand. We sold 147,000 tons of potash in the second quarter of 2015, a decrease of 88,000 tons compared to the second quarter of 2014. The decrease in sales volumes resulted primarily from the timing of the spring application season, as well as summer fill marketing programs from other potash producers. In 2014, the summer fill marketing programs stimulated sales in the second quarter. In 2015, the summer fill marketing programs did not have much of a positive impact on second quarter sales volumes as customers ended the season with higher levels of fertilizer products in storage than they had anticipated. The lower sales volumes in the second quarter of 2015 were also attributable to a shorter application season due to the wet weather conditions across much of the Midwest and Southern Plains of the United States. We believe farmers are currently focused on their current crop rather than fertilization plans for the fall. As a result, uncertainty around fall demand continues into the third quarter. As expected, we experienced a predictable decrease in our sales volumes into the industrial market.

Our ability to supply tons to our customers on a timely basis continues to be a fundamental element of our sales strategy. We utilize our geographic location advantage, as well as our strong distribution system, to effectively position product closer to our customers.

The specific timing of when farmers apply potash remains highly weather dependent and varies across the numerous growing regions within the United States. The timing of potash sales is significantly influenced by the marketing programs of potash producers, as well as storage volumes closer to the farm gate. The combination of these items results in variability in potash sales and shipments, thereby increasing volatility of sales volumes from quarter to quarter and season to season.

• Potash prices. Our average net realized sales price for potash increased to $358 per ton in the second quarter of 2015 compared to $329 per ton in the second quarter of 2014 largely as a result of price increases predicated on good demand during the second half of 2014. Potash prices are a significant driver of profitability for our business. Domestic pricing of our potash is influenced principally by the price established by our competitors. We are also experiencing price pressure due to global producers importing tonnage into the North American potash market. The interaction of global potash supply and demand, ocean, land and barge freight rates, and currency fluctuations also influence pricing. Any of these factors could have a positive or negative impact on the price of our products. As global potash supply currently exceeds global demand levels, we expect potash prices will be pressured throughout the remainder of 2015.

• Trio^® prices and demand. Although sales volumes for Trio^® decreased in the second quarter of 2015 as compared to the same period in 2014, sales volumes for the first six months of 2015 were flat as compared to the same period a year ago

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reflecting variability in the timing, but not volume, of sales from the first half of 2014 compared to the same period in 2015. Our sales of standard-sized Trio^® into the domestic agricultural market during the six months ended June 30, 2015 increased over the same period a year ago. Our average net realized sales price for Trio^® was $383 per ton in the second quarter of 2015, an increase from $350 per ton in the second quarter 2014. The benefits of a low-chloride specialty product and the recognition of the value of magnesium and sulfate have also contributed to our success with Trio^®. Demand for granular- and premium-sized Trio^® continues to drive improved net realized sales price for Trio^®.

Selected Operating and Financial Data

The following tables present selected operations data for the periods noted. Analysis of the details of this information is contained throughout this discussion. We present this table as a summary of information relating to key indicators of financial condition and operating performance that we believe are important. We calculate average net realized sales price by deducting freight costs from gross revenues and then by dividing this result by tons of product sold during the period.

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					Change
	Three Months Ended June 30,				Between
	2015		2014		Periods			% Change
Production volume (in thousands of tons):
Potash	152		190		(38		)	(20	)%
Langbeinite	43		43		—			—	%
Sales volume (in thousands of tons):
Potash	147		235		(88		)	(37	)%
Trio®	37		62		(25		)	(40	)%
Gross sales (in thousands):
Potash	$	57,093	$	84,804	$	(27,711	)	(33	)%
Trio®	16,558		26,145		(9,587		)	(37	)%
Total	73,651		110,949		(37,298		)	(34	)%
Freight costs (in thousands):
Potash	4,478		7,496		(3,018		)	(40	)%
Trio®	2,420		4,264		(1,844		)	(43	)%
Total	6,898		11,760		(4,862		)	(41	)%
Net sales (in thousands)(1):
Potash	52,615		77,308		(24,693		)	(32	)%
Trio®	14,138		21,881		(7,743		)	(35	)%
Total	$	66,753	$	99,189	$	(32,436	)	(33	)%
Potash statistics (per ton):
Average net realized sales price(1)	$	358	$	329	$	29		9	%
Cash operating costs(1)(2)	224		188		36			19	%
Depreciation and depletion	76		67		9			13	%
Royalties	12		12		—			—	%
Total potash cost of goods sold	$	312	$	267	$	45		17	%
Warehousing and handling costs	19		11		8			73	%
Average potash gross margin(1)	$	27	$	51	$	(24	)	(47	)%
Trio® statistics (per ton):
Average net realized sales price(1)	$	383	$	350	$	33		9	%
Cash operating costs(1)	185		192		(7		)	(4	)%
Depreciation and depletion	55		57		(2		)	(4	)%
Royalties	19		17		2			12	%
Total Trio® cost of goods sold	$	259	$	266	$	(7	)	(3	)%
Warehousing and handling costs	18		8		10			125	%
Average Trio® gross margin(1)	$	106	$	76	$	30		39	%

(1) Additional information about our non-GAAP financial measures is set forth under the heading "Non-GAAP Financial Measures.”

(2) Amounts are presented net of by-product credits. On a per-ton basis, by-product credits were $14 and $7 for the three months ended June 30, 2015, and 2014, respectively. By-product credits were $2.0 million and $1.7 million for the three months ended June 30, 2015, and 2014, respectively.

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					Change
	Six Months Ended June 30,				Between
	2015		2014		Periods			% Change
Production volume (in thousands of tons):
Potash	389		411		(22		)	(5	)%
Langbeinite	80		75		5			7	%
Sales volume (in thousands of tons):
Potash	377		478		(101		)	(21	)%
Trio®	98		98		—			—	%
Gross sales (in thousands):
Potash	$	147,822	$	169,301	$	(21,479	)	(13	)%
Trio®	42,850		40,523		2,327			6	%
Total	190,672		209,824		(19,152		)	(9	)%
Freight costs (in thousands):
Potash	11,684		15,156		(3,472		)	(23	)%
Trio®	6,126		6,535		(409		)	(6	)%
Total	17,810		21,691		(3,881		)	(18	)%
Net sales (in thousands)(1):
Potash	136,138		154,145		(18,007		)	(12	)%
Trio®	36,724		33,988		2,736			8	%
Total	$	172,862	$	188,133	$	(15,271	)	(8	)%
Potash statistics (per ton):
Average net realized sales price(1)	$	361	$	323	$	38		12	%
Cash operating costs(1)(2)	209		197		12			6	%
Depreciation and depletion	78		65		13			20	%
Royalties	14		11		3			27	%
Total potash cost of goods sold	$	301	$	273	$	28		10	%
Warehousing and handling costs	15		10		5			50	%
Average potash gross margin(1)	$	45	$	40	$	5		13	%
Trio® statistics (per ton):
Average net realized sales price(1)	$	373	$	347	$	26		7	%
Cash operating costs(1)	183		201		(18		)	(9	)%
Depreciation and depletion	57		61		(4		)	(7	)%
Royalties	19		17		2			12	%
Total Trio® cost of goods sold	$	259	$	279	$	(20	)	(7	)%
Warehousing and handling costs	14		8		6			75	%
Average Trio® gross margin(1)	$	100	$	60	$	40		67	%

(1) Additional information about our non-GAAP financial measures is set forth under the heading "Non-GAAP Financial Measures.”

(2) Amounts are presented net of by-product credits. On a per-ton basis, by-product credits were $10 and $6 for the six months ended June 30, 2015, and 2014, respectively. By-product credits were $3.8 million and $3.1 million for the three months ended June 30, 2015, and 2014, respectively.

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Results of Operations

Operating Highlights

Net loss for the second quarter of 2015 was $4.9 million, or $(0.07) per basic and diluted share, and cash flows from operating activities were $22.5 million. Net income for the six months ended June 30, 2015 was $1.6 million, or $0.02 per basic and diluted share, and cash flows from operating activities were $55.2 million. Based on our expectations for potash pricing for the remainder of the year, we anticipate that we will incur net losses in the third and fourth quarters of 2015.

Potash

The majority of our revenues and gross margin are derived from the production and sale of potash.

We sold 147,000 tons of potash in the second quarter of 2015 compared with 235,000 tons sold in the second quarter of 2014. For the first half of 2015, we sold 377,000 tons of potash compared to 478,000 tons in the first half of 2014. As our customers ended the spring application season with more inventory than they had anticipated due to a shorter application season, they have been slower to purchase product under summer potash marketing programs in advance of the fall application season. We continue to believe that farmers, and ultimately our customers, will become engaged in purchasing activity as the fall application season approaches. As shown below, our potash sales mix was also impacted by the decrease in sales volumes to the industrial market as noted above.

The table below shows our potash sales mix for the three and six months ended June 30, 2015, and 2014.

	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Agricultural	74%	74%	78%	75%
Industrial	18%	20%	16%	20%
Feed	8%	6%	6%	5%

Our production volume of potash in the second quarter of 2015 decreased to 152,000 tons, compared with 190,000 tons produced in the second quarter of 2014. The production decrease was primarily attributable to variability in the timing of our solar harvesting activities, as well as a 13,000 ton decrease in production from our conventional facilities. Our solar solution production can vary based on the time it takes to harvest the ore in the evaporation ponds. In 2014, we continued to harvest our HB solar evaporation ponds later into the second quarter than we did in 2015 as commissioning of the HB plant progressed in 2014. In 2015, with commissioning complete, the improved operating capability of the HB plant resulted in more tons of ore harvested in a shorter period of time. Our conventional facilities experienced decreased production levels, particularly at East, as we experienced reduced recoveries due to variability in operating factors, including grade and uptime, at those facilities. As a result of the timing of our production from our solar facilities, our conventional production represented a larger portion of our production in the second quarter of 2015 as compared to the same period in 2014. This resulted in cash operating costs per ton increasing to $224 in the second quarter of 2015, compared with $188 in the second quarter of 2014. We expect our HB mine and Moab facility to begin harvesting again during the third quarter, both in accordance with normal evaporation seasons. We expect our Wendover facility to shut down for approximately six weeks during the third quarter of 2015, and begin harvesting late in the third quarter of 2015.

Trio^® 

Our Trio^® production was flat in the first half of 2015 compared to the same period in 2014, and we continue to focus on increased efficiency with the conversion from standard- to premium-sized Trio^®. The conversion of standard-sized product into premium-sized Trio^® is through a pelletization process. Pricing for Trio^® has risen steadily over the last year. We continue to focus our efforts on the granular- and premium- domestic markets. Our sales of Trio^® decreased to 37,000 tons in the second quarter of 2015 as compared with 62,000 tons in the second quarter of 2014, based solely in the timing of those sales. For both the first half of 2015 and 2014, we sold 98,000 tons of Trio^®.

In the second quarter of 2015, as compared with 2014, our average Trio^® gross margin increased by $30 per ton as our average net realized sales price for Trio^® increased $33 per ton, and our cash operating costs for Trio^® decreased $7 per ton.

Our export sales of Trio^® tend to have more variability as to the timing of those sales. As a result, the percentage of sales into the export market as compared to the domestic market can fluctuate significantly from period to period, as shown in the table below.

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	United States	Export
Trio® only
2015
For the three months ended June 30, 2015	91%	9%
For the six months ended June 30, 2015	93%	7%
2014
For the three months ended June 30, 2014	95%	5%
For the six months ended June 30, 2014	94%	6%

Average Net Realized Sales Price

Our average net realized sales price for potash increased by $29 per ton in the second quarter of 2015, to $358 per ton, compared to the second quarter of 2014, largely as a result of price increases predicated on good demand during the second half of 2014. Domestically, the potash market is influenced by global supply and demand, and is impacted by imports from our competitors as discussed above. As imports into the domestic market have increased in 2015 as compared to 2014, we expect potash pricing to be pressured in the second half of 2015.

The table below demonstrates the progression of our average net realized sales price for potash and Trio^® through 2014 and into 2015.

Average net realized sales price for the three months ended:	Potash	Trio®
	(Per ton)
June 30, 2015	$358	$383
March 31, 2015	$362	$367
December 31, 2014	$348	$354
September 30, 2014	$336	$351
June 30, 2014	$329	$350
March 31, 2014	$317	$340

Specific Factors Affecting Our Results

Sales

Our gross sales are derived from the sales of potash and Trio^® and are determined by the quantities of product we sell and the sales prices we realize. We quote prices to customers both on a delivered basis and on the basis of pick-up at our plants and warehouses. Freight costs are incurred on only a portion of our sales as many of our customers arrange and pay for their own freight directly. When we arrange and pay for freight, our quotes and billings are based on expected freight costs to the points of delivery. Although our gross sales include the freight that we bill, we do not believe that gross sales provide a representative measure of our performance in the market due to variations caused by ongoing changes in the proportion of customers paying for their own freight, the geographic distribution of our products, and freight rates. Rail freight rates have been steadily increasing, thereby negatively influencing our net realized sales prices. We view net sales, which are gross sales less freight costs, as the key performance indicator of our revenue as it conveys the net sales price of the product that we realize. We manage our sales and marketing operations centrally and we work to achieve the highest average net realized sales price we can by evaluating the product needs of our customers and associated logistics and then determining which of our production facilities can best satisfy these needs.

The volume of product we sell is determined by demand for our products and by our production capabilities. We intend to operate our facilities at full production levels, which provide the greatest operating efficiencies. By having adequate warehouse capacity, we can maintain production levels during periods of fluctuating product demand and have product inventory positioned closer to the fields in order to meet peak periods of fertilizer demand.

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Cost of Goods Sold

Our cost of goods sold reflects the costs to produce our potash and Trio^® products, less credits generated from the sale of our by-products. Many of our production costs are largely fixed, and, consequently, our costs of sales per ton on a facility-by-facility basis tend to move inversely with the number of tons we produce, within the context of normal production levels. We expect to experience variability in our cost of goods sold due to fluctuations in the relative mix of product that we produce through conventional mining as compared to solar solution mining. Our cost of goods sold per ton for our solar solution facilities is less than our cost of goods sold per ton for our conventional facilities. However, our solar solution production is impacted by weather variability. Our principal production costs include labor and employee benefits, maintenance materials, contract labor, and materials for operating or maintenance projects, natural gas, electricity, operating supplies, chemicals, depreciation and depletion, royalties, and leasing costs. There are elements of our cost structure associated with contract labor, consumable operating supplies, and reagents and royalties that are variable, which make up a smaller component of our cost base. Our periodic production costs and costs of goods sold will not necessarily match one another from period-to-period based on the fluctuation of inventory, sales, and production levels at our facilities.

Our production costs per ton are also impacted when our production levels change, due to factors such as changes in the grade of ore delivered to the plant, levels of mine development, plant operating performance, downtime, and annual maintenance turnarounds. We expect that our labor and contract labor costs in Carlsbad, New Mexico, will continue to be influenced most directly by the demand for labor in the local Carlsbad, New Mexico, region where we compete for labor with the potash, oil and gas, and nuclear waste storage industries. Additionally, the East mine has a complex mineralogy with a mixed ore body comprised of potash and langbeinite. This complex ore is currently processed through a singular product flow at the surface facility. The specific grade, volume, and characterization of the ore that is mined at any particular time is subject to fluctuations due to the nature of the mineral deposits and influences the amount of tons of potash and langbeinite ultimately produced from the facility, which affects our production costs per ton for both products and affects our quarter-to-quarter results.

We pay royalties to federal, state, and private lessors under our mineral leases. These payments typically equal a percentage of net sales of minerals extracted and sold under the applicable lease. In some cases, federal royalties for potash are paid on a sliding scale that varies with the grade of ore extracted. For the three and six months ended June 30, 2015, our average royalty rate was 4.0% and 3.8%, respectively. For the three and six months ended June 30, 2014, our average royalty rate was 4.0% and 3.8%, respectively.

Income Taxes

We are a subchapter C corporation and, therefore, are subject to federal and state income taxes on our taxable income. Our effective tax rate for the three and six months ended June 30, 2015 was 6.6% and 63.1%, respectively. Our effective tax rate for the three and six months ended June 30, 2014 was 22.8% and (27.9)%, respectively. Our effective income tax rates are impacted primarily by changes in the underlying tax rates in jurisdictions in which we are subject to income tax and permanent differences between book and tax income for the period, including the benefit associated with the estimated effect of the depletion and research and development credits. During the three and six months ended June 30, 2015, our effective tax rate was impacted primarily as a result of the benefit from estimated depletion deductions.

Our federal and state income tax returns are subject to examination by federal and state tax authorities.

For the three and six months ended June 30, 2015, we recognized income tax benefit of $0.4 million and an income tax expense of $2.7 million, respectively. Total tax expense for the six months ended June 30, 2015, was comprised of $34,000 of current income tax benefit and $2.8 million of deferred income tax expense.

For the three and six months ended June 30, 2014, the total tax expense (benefit) was $1.6 million and $(1.1) million, respectively. Total tax benefit for the three months ended June 30, 2014, was comprised of $1.1 million of current income tax benefit and $2.8 million of deferred income tax expense. Total tax benefit for the six months ended June 30, 2014, was comprised of $1.1 million of current income tax benefit and $28,000 of deferred income tax benefit. In the six months ended June 30, 2014, in addition to the items noted above, we also benefited from the reversal of a valuation allowance of $1.7 million related to New Mexico net operating loss carry forwards that had been established in 2013. As a result of legislation passed by the State of New Mexico in the first quarter of 2014, we now believe these net operating loss carry forwards will be realized. The reversal of the $1.7 million valuation allowance is included in the $28,000 of deferred income tax benefit in the six months ended June 30, 2014, which impacts the effective tax rate for the period.

We evaluate our deferred tax assets and liabilities each reporting period using the enacted tax rates expected to apply to taxable income in the periods in which the deferred tax liability or asset is expected to be settled or realized. The estimated statutory income tax rates that are applied to our current and deferred income tax calculations are impacted most significantly by the states in which we do business. Changing business conditions for normal business transactions and operations as well as changes to state tax rate and apportionment laws potentially alter our apportionment of income among the states for income tax

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purposes. These changes in apportionment laws result in changes in the calculation of our current and deferred income taxes, including the valuation of our deferred tax assets and liabilities. The effects of any such changes are recorded in the period of the adjustment. These adjustments can increase or decrease the net deferred tax asset on the balance sheet and impact the corresponding deferred tax benefit or deferred tax expense on the income statement.

Results of Operations for the Three Months Ended June 30, 2015, and 2014

Net Sales

Net sales of potash decreased to $52.6 million for the three months ended June 30, 2015, from $77.3 million for the three months ended June 30, 2014. This decrease in net sales of potash was primarily the result of a 37% decrease in sales volume, as noted above, partially offset by an increase of $29 per ton in the average net realized sales price.

Net sales of Trio^® decreased to $14.1 million for the three months ended June 30, 2015, from $21.9 million for the three months ended June 30, 2014, due to a 40% decrease in the volume of sales partially offset by a 9% increase in the average net realized sales price. Demand for granular-sized and premium-sized Trio^® continues to exceed supply. Although sales volumes for Trio^® decreased in the second quarter of 2015 as compared to the same period in 2014, sales volumes for the first six months of 2015 were flat as compared to the same period a year ago reflecting variability in the timing, but not volume, of sales from the first half of 2014 compared to the same period in 2015.

Cost of Goods Sold

The following table presents our cost of goods sold for potash and Trio^® for the subject periods:

	Three Months Ended June 30,				Change Between
	2015		2014		Periods			% Change
Cost of goods sold (in millions)	$	55.4	$	79.4	$	(24.0	)	(30	)%
Cost per ton of potash sold(1)	$	312	$	267	$	45		17	%
Cost per ton of Trio® sold(2)	$	259	$	266	$	(7	)	(3	)%

(1) Depreciation and depletion expense for potash was $11.2 million and $15.6 million in the second quarter of 2015 and 2014, respectively, which equates to $76 and $67 on a per-ton basis.

(2) Depreciation and depletion expense for Trio^® was $2.0 million and $3.6 million in the second quarter of 2015 and 2014, respectively, which equates to $55 and $57 on a per-ton basis.

Total per ton cost of goods sold of potash, which includes royalties and depreciation, depletion and amortization, increased as we experienced higher cash operating costs and lower production for the second quarter of 2015 from our conventional facilities. We recorded lower-of-cost-or-market inventory adjustments during the second quarter of 2015 of $5.3 million, primarily the result of lower production from the conventional facilities as described above, resulting in our production costs being allocated over fewer tons, and estimated pricing based on summer marketing programs.

Total per ton cost of goods sold of Trio^® decreased as a result of our focus on increasing our efficiency in producing more premium-sized Trio^®. As a result of the progress we have made in the pelletization process, although langbeinite production was flat, our production costs were reduced, which resulted in lower per-ton costs.

Our total cost of goods sold decreased primarily due to less tons of potash and Trio^® sold in the second quarter of 2015. Our potash production costs increased due to higher labor, maintenance and supplies costs; partially offset by decreased natural gas and electricity costs.

Lower-of-Cost-or-Market Adjustment

During the three months ended June 30, 2015 and 2014, we recorded charges of approximately $5.3 million and $1.1 million, respectively, as a result of routine assessments of the lower of weighted average cost or estimated net realizable value on our finished goods product inventory. The $5.3 million of lower-of-cost-or-market adjustment recorded during the three months ended June 30, 2015, related to our potash inventories from our conventional facilities, and resulted from our higher production costs per ton during the second quarter of 2015 and estimated pricing based on summer marketing programs. The $1.1 million of lower-of-cost-or-market adjustment recorded during the three months ended June 30, 2014, related to the start-up activities of our HB mine.

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Selling and Administrative Expense

Selling and administrative expenses increased $1.4 million, or 19%, to $8.4 million for the three months ended June 30, 2015, from $7.1 million for the three months ended June 30, 2014. As part of our on-going efforts to reduce our cost structure, we exercised our option to terminate our corporate office lease in accordance with its terms, resulting in a $1.2 million charge in the second quarter of 2015. We expect the termination penalty related to our office lease will be payable in the first quarter of 2016. In additional, our outside legal and professional fees have increased as compared to the prior period, related primarily to one on-going issue.

Other Operating Income

In late 2014, we initiated legal action to protest property tax valuations in New Mexico. In the second quarter of 2015, we reached an agreement with the State of New Mexico which resulted in a net $2.0 million reduction in previously paid property taxes. Accordingly, as the inventory associated with production during 2014 has since been sold, we recorded the settlement in "Other operating income" during the second quarter of 2015.

Results of Operations for the Six Months Ended June 30, 2015, and 2014

Net Sales

Net sales of potash decreased from $154.1 million for the six months ended June 30, 2014, to $136.1 million for the six months ended June 30, 2015. This decrease in net sales of potash was primarily the result of a 21% decrease in sales volume partially offset by an increase in the average net realized sales price of potash of $38 per ton, or 12%. Our 2015 sales volume decreased over those realized in the same period in 2014 due to the factors discussed above.

Net sales of Trio^® increased from $34.0 million for the six months ended June 30, 2014, to $36.7 million for the six months ended June 30, 2015, due to a 7% increase in the average net realized sales price. Domestic demand for granular-sized and premium-sized Trio^® continues to be favorable; however, demand for standard-sized Trio^® into the export market has been less predictable.

Cost of Goods Sold

The following table presents our cost of goods sold for potash and Trio^® for the subject periods:

	Six Months Ended June 30,				Change Between
	2015		2014		Periods			% Change
Cost of goods sold (in millions)	$	138.7	$	158.0	$	(19.3	)	(12	)%
Cost per ton of potash sold(1)	$	301	$	273	$	28		10	%
Cost per ton of Trio® sold(2)	$	259	$	279	$	(20	)	(7	)%

(1) Depreciation and depletion expense for potash was $29.3 million and $31.2 million in the first six months of 2015 and 2014, respectively, which equates to $78 and $65 on a per-ton basis.

(2) Depreciation and depletion expense for Trio^® was $5.6 million and $6.0 million in the first six months of 2015 and 2014, respectively, which equates to $57 and $61 on a per-ton basis.

Total cost of goods sold of potash, which includes royalties and depreciation, depletion and amortization, decreased as we experienced lower sales volumes in 2015 compared to 2014. Further, our cash operating costs per ton for the first six months of 2015 were higher than in 2014, largely due to lower production at our conventional facilities and the solar solution facility located in Wendover. We recorded lower-of-cost-or-market inventory adjustments during the first six months of 2015 of $5.6 million, which was entirely related to product produced from our conventional facilities and estimated pricing based on summer marketing programs. We recorded lower-of-cost-or-market inventory adjustments during the first six months of 2014 of $4.7 million, of which $4.0 million related to the start-up activities of our HB mine.

Total cost of goods sold of Trio^® decreased in the first half of 2015 compared to 2014 due mainly to the increased efficiencies related to our efforts to convert standard-sized Trio^® into premium-sized Trio^®, as described previously.

In total, our cost of goods sold decreased $19.3 million primarily due to less tons of potash sold in the first six months of 2015.

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On a comparative basis, and within our potash and Trio^® cost of goods sold, depreciation and depletion decreased $2.3 million, or 6%, during the first six months of 2015 as a result of decrease in the number of tons of potash sold. We expect depreciation expense to continue to increase in the fourth quarter of 2015 on an actual dollar basis as our major capital projects have been completed. We manage capital investments by evaluating capital projects that we believe are necessary to maintain the productivity of our mines and by evaluating investment capital that is designed to increase production and generate incremental returns on invested capital.

Selling and Administrative Expense

Selling and administrative expenses increased $2.1 million, or 15%, to $15.9 million for the six months ended June 30, 2015 from $13.8 million for the six months ended June 30, 2014. As noted above, the increase was primarily driven by a $1.2 million charge related to exercising an option in May 2015 to terminate our office lease early in accordance with its terms, as well as increased outside legal and professional fees related primarily to one on-going issue. We expect the termination penalty related to our office lease will be payable in the first quarter of 2016.

Restructuring Expense

In January 2014, in response to lower potash prices and the substantial completion of our major capital projects, we undertook a number of cost saving actions that were intended to better align our cost structure with our then-current business environment. These initiatives included the elimination of approximately 7% of our workforce, including capital project related support associated with our major capital projects, reduction in the use of outside professionals, and cutbacks in other general and administrative areas.

Other Operating Income

In the third quarter of 2013, our application for certain New Mexico employment-related tax credits was denied, and we recorded an additional allowance of approximately $2.8 million related to the denied tax credits. In March 2014, we received notice that the State of New Mexico had approved $5.9 million of employment tax credits, a significant portion of which had previously been denied. Accordingly, in the first quarter of 2014, we reversed $2.9 million of the allowance associated with the previously recorded employment-related tax payments. We received payment of the $5.9 million for the approved credits in the second quarter of 2014.

In late 2014, we initiated legal action to protest property tax valuations in New Mexico. In the second quarter 2015, we reached an agreement with the State of New Mexico which resulted in a net $2.0 million reduction in previously paid property taxes. Accordingly, as the inventory associated with production during 2014 has since been sold, we recorded the settlement in "Other operating income" during the second quarter of 2015.

Capital Investments

We are taking actions to expand our potash production through the optimization of our current facilities and through expanding our solar solution production. We are continuing our actions to increase our Trio^® production by developing our significant langbeinite reserves, optimizing our recovery techniques and maximizing the amount of premium-sized product we manufacture.

We expect our level of capital investment to be approximately $45 million to $55 million for 2015, the majority of which we expect to be sustaining capital. Our 2015 operating plans and capital programs are being funded out of operating cash flows and existing cash and investments. As described below, we may also use our revolving credit facility or new debt issuances, to fund capital investments.

During the first half of 2015, we paid cash of $19.0 million for capital projects.

Liquidity and Capital Resources

As of June 30, 2015, we had cash, cash equivalents, and investments of $124.4 million. We also have an unsecured revolving credit facility that provides credit of up to $250 million, provided that we meet specified financial covenants, as described below under the heading “Unsecured Credit Facility.” As of June 30, 2015, $212 million of this facility was available to us and we had no borrowings outstanding under this facility.

The $124.4 million of cash, cash equivalents and investments at June 30, 2015, was made up of the following:

• $14.2 million in cash;

• $26.1 million in cash equivalent investments, consisting of money market accounts with banking institutions that we believe are financially sound; and

28

• $63.2 million and $20.9 million invested in short and long-term investments, respectively.

Our operations have been and are expected to be primarily funded from cash on hand and cash generated by operations and, if necessary, we have the ability to borrow under our unsecured credit facility. We will continue to monitor our future sources and uses of cash, and anticipate that we will make adjustments to our capital allocation strategies when, and if determined by our Board of Directors. We may use our revolving credit facility or new debt issuances as a source of liquidity for operating activities and to give us additional flexibility to finance, among other things, our capital investments, possible repayments of debt, dividends or stock repurchases.

The following summarizes our cash flow activity for the six months ended June 30, 2015, and 2014:

	Six Months Ended June 30,
	2015			2014
	(In thousands)
Cash flows provided by operating activities	$	55,194		$	55,849
Cash flows used in investing activities	$	(81,468	)	$	(24,563	)
Cash flows used in financing activities	$	(1,030	)	$	(611	)

Operating Activities

Total cash provided by operating activities through June 30, 2015, was $55.2 million, a decrease of $0.7 million compared with the first six months of 2014. Our potash sales volumes approximated our production volumes in the first half of 2015, whereas our Trio^® sales volumes exceeded our production volumes.

Investing Activities

Total cash used in investing activities increased by $56.9 million in the first six months of 2015 compared with the same six month period in 2014 as a result of increased investment purchases, partially offset by lower capital investment activity and decreased proceeds from the sale of investments.

Financing Activities

Total cash used in financing activities of $1.0 million was due to employee tax withholding for the vesting of restricted stock.

Unsecured Credit Facility

We have an unsecured credit facility, led by U.S. Bank, as administrative agent, and Wells Fargo Bank, as syndication agent. This unsecured credit facility provides a revolving credit facility of up to $250 million. The actual amount available to us may be limited by our leverage ratio, which may not exceed 3.5, and our fixed charge coverage ratio, which may not be below 1.3.

Under the facility, the leverage ratio is defined as the ratio of our total funded indebtedness to adjusted EBITDA (earnings before interest, income taxes, depreciation, amortization, and certain other expenses, as defined in the credit facility) for the prior four fiscal quarters. The fixed charge coverage ratio is defined as the ratio of adjusted EBITDA for the prior four fiscal quarters to fixed charges. Both ratios may operate to limit the total amount available to us under the facility. If adjusted EBITDA remains at or below current levels with no change to indebtedness, our leverage ratio would remain at a level where less than $250 million would be available to us. As of June 30, 2015, $212 million of the facility was available to us. Based on current market conditions, we expect that the total amount available to us under the facility will continue to be limited at or below the June 30, 2015 level for the rest of 2015 and into 2016. We believe that amounts available to us are, and will continue to be, adequate to fund our operations and our capital investment projects.

Outstanding balances under the unsecured credit facility bear interest at a floating rate, which, at our option, is either (1) the London Interbank Offered Rate (LIBOR), plus a margin of between 1.125% and 2.25%, depending upon our leverage ratio, as defined above; or (2) an alternative base rate, plus a margin of between 0.125% and 1.25%, depending upon our leverage ratio. We pay a quarterly commitment fee on the outstanding portion of the unused revolving unsecured credit facility amount of between 0.15% and 0.35%, depending on our leverage ratio. The interest rate paid under our unsecured credit facility on any debt varies both with changes in the LIBOR and with our leverage ratio.

The facility is unsecured and is guaranteed by our material subsidiaries. We are currently in compliance with the covenants under the facility. The facility has a maturity date of August 2018. As of June 30, 2015 there were no amounts

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outstanding under the facility. We occasionally borrow and repay amounts under the facility for near-term working capital needs and may do so in the future.

Unsecured Senior Notes

In April 2013, we received net proceeds of $149.3 million from the issuance of $150 million aggregate principal amount of the Notes pursuant to a note purchase agreement entered into in August 2012. The Notes consist of the following series:

• $60 million of 3.23% Senior Notes, Series A, due April 16, 2020

• $45 million of 4.13% Senior Notes, Series B, due April 14, 2023

• $45 million of 4.28% Senior Notes, Series C, due April 16, 2025

The Notes are senior unsecured obligations and rank equally in right of payment with any of our other unsubordinated unsecured indebtedness. The obligations under the Notes are unconditionally guaranteed by our material subsidiaries. The note purchase agreement includes financial covenants requiring a minimum fixed charge ratio and a maximum leverage ratio. We are currently in compliance with the covenants under the Notes. Interest on the Notes is paid semiannually on April 16 and October 16 of each year.

Off-Balance Sheet Arrangements

As of June 30, 2015, we had no off-balance sheet arrangements aside from the operating leases and bonding obligations described in the accompanying notes to the condensed consolidated financial statements.

Critical Accounting Policies and Estimates

Our Annual Report on Form 10-K for the year ended December 31, 2014,describes the critical accounting policies that affect our more significant judgments and estimates used in the preparation of our consolidated financial statements. There have been no significant changes to our critical accounting policies since December 31, 2014.

Non-GAAP Financial Measures

To supplement our consolidated financial statements, which are prepared and presented in accordance with GAAP, we use several non-GAAP financial measures to monitor and evaluate our performance. These non-GAAP financial measures include net sales, average net realized sales price, cash operating costs and average potash and Trio^® gross margin. These non-GAAP financial measures should not be considered in isolation or as a substitute for, or superior to, the financial information prepared and presented in accordance with GAAP. In addition, because the presentation of these non-GAAP financial measures varies among companies, our non-GAAP financial measures may not be comparable to similarly titled measures used by other companies.

We believe these non-GAAP financial measures provide useful information to investors for analysis of our business. We also refer to these non-GAAP financial measures in assessing our performance and when planning, forecasting and analyzing future periods. In addition, we use some of these non-GAAP financial measures under our performance-based employee compensation programs. We believe these non-GAAP financial measures are widely used by professional research analysts and others in the valuation, comparison and investment recommendations of companies in the potash mining industry. Many investors use the published research reports of these professional research analysts and others in making investment decisions.

Below is additional information about our non-GAAP financial measures, including reconciliations of these non-GAAP financial measures to the most directly comparable GAAP measures, for the three and six months ended June 30, 2015, and 2014.

30

Net Sales and Average Net Realized Sales Price per Ton

Net sales and average net realized sales price per ton are non-GAAP financial measures. Net sales are calculated as sales less freight costs. Average net realized sales price per ton is calculated as net sales, divided by the number of tons sold in the period. We consider net sales and average net realized sales price per ton to be useful because they remove the effect of transportation and delivery costs on sales and pricing. When we arrange transportation and delivery for a customer, we include in revenue and in freight costs the costs associated with transportation and delivery. However, many of our customers arrange for and pay their own transportation and delivery costs, in which case these costs are not included in our revenue and freight costs. We use net sales and average net realized sales price per ton as key performance indicators to analyze sales and price trends. We also use net sales as one of the measures under our performance-based compensation programs for employees.

	Three Months Ended June 30,
	2015						2014
	Potash		Trio®		Total		Potash		Trio®		Total
Sales	$	57,093	$	16,558	$	73,651	$	84,804	$	26,145	$	110,949
Freight costs	4,478		2,420		6,898		7,496		4,264		11,760
Net sales	$	52,615	$	14,138	$	66,753	$	77,308	$	21,881	$	99,189
Divided by:
Tons sold (in thousands)	147		37				235		62
Average net realized sales price per ton	$	358	$	383			$	329	$	350

	Six Months Ended June 30,
	2015						2014
	Potash		Trio®		Total		Potash		Trio®		Total
Sales	$	147,822	$	42,850	$	190,672	$	169,301	$	40,523	$	209,824
Freight costs	11,684		6,126		17,810		15,156		6,535		21,691
Net sales	$	136,138	$	36,724	$	172,862	$	154,145	$	33,988	$	188,133
Divided by:
Tons sold (in thousands)	377		98				478		98
Average net realized sales price per ton	$	361	$	373			$	323	$	347

Cash Operating Costs per Ton

Cash operating costs per ton is a non-GAAP financial measure that is calculated as total cost of goods sold divided by the number of tons sold in the period and then adjusted to exclude per-ton depreciation, depletion, and royalties. Total cost of goods sold is reported net of by-product credits and does not include warehousing and handling costs. We consider cash operating costs to be useful because it represents our core, per-ton costs to produce potash and Trio^®. We use cash operating costs as an indicator of performance and operating efficiencies and as one of the measures under our performance-based compensation programs for employees.

31

	Three Months Ended June 30,
	2015						2014
	Potash		Trio®		Total		Potash		Trio®		Total
Cost of goods sold	$	45,868	$	9,567	$	55,435	$	62,761	$	16,622	$	79,383
Divided by sales volume (in thousands of tons)	147		37				235		62
Cost of goods sold per ton	$	312	$	259			$	267	$	266
Less per-ton adjustments
Depreciation and depletion	$	76	$	55			$	67	$	57
Royalties	12		19				12		17
Cash operating costs per ton	$	224	$	185			$	188	$	192

	Six Months Ended June 30,
	2015						2014
	Potash		Trio®		Total		Potash		Trio®		Total
Cost of goods sold	$	113,322	$	25,395	$	138,717	$	130,621	$	27,336	$	157,957
Divided by sales volume (in thousands of tons)	377		98				478		98
Cost of goods sold per ton	$	301	$	259			$	273	$	279
Less per-ton adjustments
Depreciation and depletion	$	78	$	57			$	65	$	61
Royalties	14		19				11		17
Cash operating costs per ton	$	209	$	183			$	197	$	201

Average Potash and Trio^® Gross Margin per Ton

Average potash and Trio^® gross margin per ton are non-GAAP financial measures that are calculated by subtracting the sum of per ton total cost of goods sold and per ton warehousing and handling costs from the average net realized sales price. We believe these measures are useful because they represent the average margin we realize on each ton of potash and Trio^® sold. The reconciliations of average potash and Trio^® net realized sales price to GAAP sales are set forth separately above under the heading "Net Sales and Average Net Realized Sales Price per Ton."

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Potash
Average potash net realized sales price	$	358	$	329	$	361	$	323
Less total potash cost of goods sold	312		267		301		273
Less potash warehousing and handling costs	19		11		15		10
Average potash gross margin per ton	$	27	$	51	$	45	$	40

	Three Months Ended June 30,				Six Months Ended June 30,
	2,015		2,014		2015		2014
Trio®
Average Trio® net realized sales price*	$	383	$	350	$	373	$	347
Less total Trio® cost of goods sold	259		266		259		279
Less Trio® warehousing and handling costs	18		8		14		8
Average Trio® gross margin per ton	$	106	$	76	$	100	$	60

* The reconciliations of average potash and Trio^® net realized sales price to GAAP sales are set forth above.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

32

Part II, Item 7A., "Quantitative and Qualitative Disclosure About Market Risk," of our Annual Report on Form 10-K for the year ended December 31, 2014, describes our exposure to market risk. There have been no significant changes to our market risk exposure since December 31, 2014.

ITEM 4.CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

We maintain “disclosure controls and procedures,” as defined in Rule 13a-15(e) and 15d-15(e) under the Exchange Act. Our disclosure controls and procedures are designed to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in Securities and Exchange Commission rules and forms. Our disclosure controls and procedures are also designed to ensure that this information is accumulated and communicated to our management, including our principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure. Based on their evaluation as of June 30, 2015, our principal executive officer and principal financial officer have concluded that our disclosure controls and procedures were effective at the reasonable assurance level.

Changes in Internal Control over Financial Reporting

Our management, including our principal executive officer and principal financial officer, conducted an evaluation of our “internal control over financial reporting,” as defined in Rule 13a-15(f) of the Exchange Act to determine whether any changes in our internal control over financial reporting occurred during the three months ended June 30, 2015, that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting. Based on that evaluation, there were no changes in our internal control over financial reporting that occurred during the three months ended June 30, 2015, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Inherent Limitations on Effectiveness of Controls

Our management, including our principal executive officer and principal financial officer, do not expect that our disclosure controls or our internal control over financial reporting will prevent all errors and all fraud. A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within Intrepid have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of a simple error or mistake. Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people, or by management override of the controls. The design of any system of controls also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Over time, controls may become inadequate because of changes in conditions, or the degree of compliance with policies or procedures may deteriorate. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.

PART II-OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

We are subject to claims and legal actions in the ordinary course of business. While there are uncertainties in predicting the outcome of any claim or legal action, we believe that the ultimate resolution of these claims or actions is not reasonably likely to have a material adverse effect on our financial condition, results of operations or cash flows. We maintain liability insurance that will apply to some claims and actions and believe that our coverage is reasonable in view of the insurable legal risks to which our business ordinarily is subject.

ITEM 1A. RISK FACTORS

Our future performance is subject to a variety of risks and uncertainties that could materially and adversely affect our business, financial condition, and results of operations, and the trading price of our common stock. These risks and

33

uncertainties are described in Part I, "Item 1A: Risk Factors" in our Annual Report on Form 10-K for the year ended December 31, 2014. There have been no material changes to these risks and uncertainties.

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

None.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4.MINE SAFETY DISCLOSURES

We are committed to providing a safe and healthy work environment. The objectives of our safety programs are to eliminate workplace accidents and incidents, to preserve employee health, and to comply with safety- and health-based regulations. We seek to achieve these objectives by training employees in safe work practices; establishing, following, and improving safety standards; involving employees in safety processes; openly communicating with employees about safety matters; and recording, reporting, and investigating accidents, incidents, and losses to avoid recurrence. As part of our ongoing safety programs, we collaborate with regulators to identify and implement new accident prevention techniques and practices.

Our East, West and North facilities in New Mexico are subject to regulation by the Mine Safety and Health Administration ("MSHA") under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) and the New Mexico Bureau of Mine Safety. MSHA inspects these facilities on a regular basis and issues various citations and orders when it believes a violation has occurred under the Mine Act. Exhibit 95.1 to this Quarterly Report on Form 10-Q provides the information concerning mine safety violations and other regulatory matters required by Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K. Our Utah facilities and our HB solar solution mine are subject to regulation by the Occupational Health and Safety Administration and, therefore, are not required to be included in the information provided in Exhibit 95.1.

ITEM 5. OTHER INFORMATION

None.

ITEM 6. EXHIBITS

The list of exhibits in the Exhibit Index to this Quarterly Report on Form 10-Q is incorporated herein by reference.

34

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	INTREPID POTASH, INC. (Registrant)
Dated: July 27, 2015	/s/ Robert P. Jornayvaz III
	Robert P. Jornayvaz III - Executive Chairman of the Board, President, and Chief Executive Officer (Principal Executive Officer and Duly Authorized Officer)
Dated: July 27, 2015	/s/ Brian D. Frantz
	Brian D. Frantz - Senior Vice President and Chief Accounting Officer (Principal Financial Officer and Principal Accounting Officer)

35

EXHIBIT INDEX

Exhibit No.	Description
3.2	Amended and Restated Bylaws of Intrepid Potash, Inc. (incorporated by reference to Intrepid Potash, Inc.’s Current Report on Form 8-K (File No. 001-34025) filed on June 25, 2015).
31.1	Certification of Principal Executive Officer pursuant to Rule 13a-14(a) and 15d-14(a), as amended.*
31.2	Certification of Principal Financial Officer pursuant to Rule 13a-14(a) and 15d-14(a), as amended.*
32.1	Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**
32.2	Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**
95.1	Mine Safety Disclosure Exhibit.*
101.INS	XBRL Instance Document.*
101.SCH	XBRL Taxonomy Extension Schema.*
101.CAL	XBRL Extension Calculation Linkbase.*
101.LAB	XBRL Extension Label Linkbase.*
101.PRE	XBRL Extension Presentation Linkbase.*
101.DEF	XBRL Extension Definition Linkbase.*

* Filed herewith.

** Furnished herewith.

36

EX-31.1

Exhibit 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO 15 U.S.C. SECTION 7241, AS

ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Robert P. Jornayvaz III, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Intrepid Potash, Inc.;

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 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 the 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 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.

Dated: July 27, 2015	/s/ ROBERT P. JORNAYVAZ III
	Robert P. Jornayvaz III Executive Chairman of the Board, President, and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

PURSUANT TO 15 U.S.C. SECTION 7241, AS

ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Brian D. Frantz, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Intrepid Potash, Inc.;

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 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 the 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 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.

Dated: July 27, 2015	/s/ BRIAN D. FRANTZ
	Brian D. Frantz Senior Vice President and Chief Accounting Officer

EX-32.1

Exhibit 32.1

CERTIFICATION OF

PRINCIPAL EXECUTIVE OFFICER

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 filing of the Quarterly Report on Form 10-Q for the three months ended June 30, 2015 (the "Report"), of Intrepid Potash, Inc. (the "Registrant") with the Securities and Exchange Commission and pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, I, Robert P. Jornayvaz III, Executive Chairman of the Board, President, and Chief Executive Officer of the Registrant, certify that to the best of my knowledge:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"); and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Dated: July 27, 2015	/s/ ROBERT P. JORNAYVAZ III
	Robert P. Jornayvaz III Executive Chairman of the Board, President, and Chief Executive Officer

        This certification is furnished with this Report pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and will not, except to the extent required by such Act, be deemed filed by the Registrant for purposes of Section 18 of the Exchange Act. This certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent that the Registrant specifically incorporates it by reference.

EX-32.2

Exhibit 32.2

CERTIFICATION OF

PRINCIPAL FINANCIAL OFFICER

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 filing of the Quarterly Report on Form 10-Q for the three months ended June 30, 2015 (the "Report"), of Intrepid Potash, Inc. (the "Registrant") with the Securities and Exchange Commission and pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, I, Brian D. Frantz, Senior Vice President and Chief Accounting Officer of the Registrant, certify that to the best of my knowledge:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"); and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Dated: July 27, 2015	/s/ BRIAN D. FRANTZ
	Brian D. Frantz Senior Vice President and Chief Accounting Officer

        This certification is furnished with this Report pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and will not, except to the extent required by such Act, be deemed filed by the Registrant for purposes of Section 18 of the Exchange Act. This certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent that the Registrant specifically incorporates it by reference.

`

EX-95.1

Exhibit 95.1

The table below provides information for the quarter ended June 30, 2015, about certain mine safety and health citations issued to Intrepid or its subsidiaries by the Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) and about certain other regulatory matters.

Mine Name and MSHA Identification Number	Section 104 S&S Citations	Section 104(b) Orders	Section 104(d) Citations and Orders	Section 110(b)(2) Violations	Section 107(a) Orders	Total Dollar Value of MSHA Assessments Proposed		Total Number of Mining-Related Fatalities	Received Notice of Pattern of Violations Under Section 104(e)	Received Notice of Potential to Have Pattern under Section 104(e)	Legal Actions Pending as of the End of the Period	Legal Actions Initiated During the Period	Legal Actions Resolved During the Period
Intrepid Potash East (29-00170)	2	—	—	—	—		$6,300	—	—	—	1	1	1
Intrepid Potash West (29-00175)	3	—	—	—	—		$2,291	—	—	—	1	1	1
Intrepid Potash North (29-02028)	—	—	—	—	—	—		—	—	—	—	—	—

Below are additional details about the information provided in the table above:

• General - In general, the number of citations and orders will vary depending on the size of the mine, the individual inspector assigned to the mine, and the specific mine characteristics. Citations and orders can be contested and appealed and, in that process, are often reduced in severity and amount and are sometimes vacated.

• MSHA Identification Numbers - MSHA assigns an identification number to each mine and may or may not assign separate identification numbers to related facilities. We provide the information in the table by MSHA identification number.

• Section 104 Significant and Substantial (“S&S”) Citations - These citations are issued for alleged violations of a mining safety standard or regulation where there exists a reasonable likelihood that the hazard contributed to or will result in an injury or illness of a reasonably serious nature.

• Section 104(b) Orders - These orders are issued for alleged failure to totally abate the subject matter of a Section 104(a) citation within the period specified in the citation.

• Section 104(d) Citations and Orders - These citations and orders are issued for an alleged unwarrantable failure (i.e., aggravated conduct constituting more than ordinary negligence) to comply with a mining safety standard or regulation.

• Section 110(b)(2) Violations - These violations are issued, and penalties are assessed, for flagrant violations (i.e., a reckless or repeated failure to make reasonable efforts to eliminate a known violation that substantially and proximately caused, or reasonably could have been expected to cause, death or serious bodily injury).

• Section 107(a) Orders - These orders are issued for an imminent danger to immediately remove miners.

• Total Dollar Value of MSHA Assessments Proposed - Proposed assessments issued during the period do not necessarily relate to the citations or orders issued by MSHA during that period or to the pending legal actions reported in the table.

• Notice of Pattern of Violations Under Section 104(e); Notice of Potential to Have Pattern under Section 104(e) - These notices are issued for a pattern of violation of mandatory health or safety standards or for the potential to have such a pattern.

• Legal Actions Pending, Initiated, and Resolved - The Federal Mine Safety and Health Review Commission (the “Commission”) is an independent adjudicative agency that provides administrative trial and appellate review of legal disputes arising under the Mine Act. Each legal action is assigned a docket number by the Commission and may have as its subject matter one or more citations, orders, penalties, or complaints.

The table below summarizes the types of legal actions that were pending as of June 30, 2015:

Mine Name and MSHA Identification Number	Contests of Citations and Orders	Contests of Proposed Penalties	Complaints for Compensation	Complaints of Discharge, Discrimination or Interference	Applications for Temporary Relief	Appeals of Judges’ Decisions or Orders	Total
Intrepid Potash East (29-00170)	1	—	—	—	—	—	1
Intrepid Potash West (29-00175)	1	—	—	—	—	—	1
Intrepid Potash North (29-02028)	—	—	—	—	—	—	—

• Contests of Citations and Orders relate to challenges by operators, miners or miners' representatives to the issuance of a citation or order issued by MSHA.

• Contests of Proposed Penalties (Petitions for Assessment of Penalties) are administrative proceedings challenging a civil penalty that MSHA has proposed for the violation contained in a citation or order.

• Complaints for Compensation are filed by miners entitled to compensation when a mine is closed by certain withdrawal orders issued by MSHA for the purpose of determining the amount of compensation, if any, due miners idled by the orders.

• Complaints of Discharge, Discrimination or Interference involve a miner's allegation that he or she has suffered a wrong by the operator because he or she engaged in some type of activity protected under the Mine Act, such as making a safety complaint, or that he or she has suffered discrimination and lost his or her position.

XML

INVENTORY AND LONG-TERM PARTS INVENTORY (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Inventory [Line Items]
Lower-of-cost-or-market inventory adjustments	$ 5,276	$ 1,140	$ 5,636	$ 4,706

XML

RESTRUCTURING CHARGE (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Restructuring Charge [Abstract]
Restructuring charge, percentage of eliminated positions		7.00%
Restructuring charge	$ 0	$ 0	$ 0	$ 1,827

XML

INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Effective tax rate	6.60%	22.80%	63.10%	(27.90%)
Deferred Tax Assets, Valuation Allowance		$ 1.7

XML

COMPENSATION PLANS (Summary of Non-Vested Restricted Common Stock Activity) (Details) - Restricted Stock - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 0.8	$ 1.1	$ 1.7	$ 1.9
Shares
Non-vested restricted shares of common stock, beginning of period (in shares)			464,769
Granted (in shares)			237,256
Vested (in shares)			(198,141)
Forfeited (in shares)			(33,282)
Non-vested restricted shares of common stock, end of period (in shares)	470,602		470,602
Weighted Average Grant-Date Fair Value
Non-vested restricted shares of common stock, beginning of period (in dollars per share)			$ 16.49
Granted (in dollars per share)			14.28
Vested (in dollars per share)			17.80
Forfeited (in dollars per share)			15.17
Non-vested restricted shares of common stock, end of period (in dollars per share)	$ 14.91		$ 14.91

XML

EARNINGS PER SHARE (Narrative) (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Restricted Stock
Anti-dilutive weighted average non-vested shares
Anti-dilutive weighted average non-vested shares (in shares)	474,481	137,093	161,675	107,285
Stock Options
Anti-dilutive weighted average non-vested shares
Anti-dilutive weighted average non-vested shares (in shares)	319,563	333,612	320,241	335,171
Performance Units
Anti-dilutive weighted average non-vested shares
Anti-dilutive weighted average non-vested shares (in shares)	194,374	0	131,621	0

XML

CASH, CASH EQUIVALENTS, AND INVESTMENTS (Tables)

6 Months Ended

Jun. 30, 2015

Cash, Cash Equivalents, and Investments Disclosure [Abstract]

Summary of Cash, Cash Equivalents, and Investments

The following table summarizes the fair value of our cash and investments held in our portfolio, recorded as cash and cash equivalents or short-term or long-term investments as of June 30, 2015, and December 31, 2014 (in thousands):

	June 30, 2015		December 31, 2014
Cash	$	14,184	$	16,506
Commercial paper and money market accounts	26,101		51,083
Total cash and cash equivalents	$	40,285	$	67,589
Corporate bonds	$	62,217	$	9,432
Certificates of deposit and time deposits	1,004		1,002
Total short-term investments	$	63,221	$	10,434
Corporate bonds	$	20,851	$	11,856
Total long-term investments	$	20,851	$	11,856
Total cash, cash equivalents, and investments	$	124,357	$	89,879

Schedule of Available-for-Sale Investments

The following tables summarize the cost basis, unrealized gains and losses, and fair value of our available-for-sale investments held in our portfolio as of June 30, 2015, and December 31, 2014 (in thousands):

	June 30, 2015
			Unrealized
	Cost Basis		Gain		Loss			Fair Value
Corporate bonds	$	83,156	$	11	$	(99	)	$	83,068
Certificates of deposit and time deposits	1,004		—		—			1,004
Total available-for-sale securities	$	84,160	$	11	$	(99	)	$	84,072

	December 31, 2014
			Unrealized
	Cost Basis		Gain		Loss			Fair Value
Corporate bonds	$	21,335	$	1	$	(48	)	$	21,288
Certificates of deposit and time deposits	1,002		—		—			1,002
Total available-for-sale securities	$	22,337	$	1	$	(48	)	$	22,290

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COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2015	Sep. 30, 2013
Marketing Agreements
Period of cancellation of marketing agreement by way of written notice		30 days
Reclamation Deposits and Surety Bonds
Security placed with the State of Utah and BLM		$ 18.0
Long-term restricted cash deposits		0.5
Surety bonds issued by an insurer		17.5
New Mexico Employment Credits
Tax Credit Receivable	$ 5.9
Other Cost and Expense, Operating	$ 2.9
Other Receivables		2.2
Allowance for doubtful other receivables, current		$ 0.5	$ 2.8
Future Operating Lease Commitments
Operating Lease, Contract Term, Maximum (in years)		20 years

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DEBT (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Debt
Long-term Line of Credit	$ 0		$ 0		$ 0
Line of Credit Facility, Current Borrowing Capacity	212,000,000		212,000,000
Debt Instrument, Face Amount	150,000,000	$ 150,000,000	150,000,000	$ 150,000,000
Proceeds from Notes Payable				149,300,000
Interest Costs Incurred			3,300,000	3,300,000
Capitalized Interest				400,000
Series A Senior Notes
Debt
Debt Instrument, Face Amount	$ 60,000,000	$ 60,000,000	$ 60,000,000	$ 60,000,000
Debt Instrument, Interest Rate, Stated Percentage	3.23%	3.23%	3.23%	3.23%
Series B Senior Notes
Debt
Debt Instrument, Face Amount	$ 45,000,000	$ 45,000,000	$ 45,000,000	$ 45,000,000
Debt Instrument, Interest Rate, Stated Percentage	4.13%	4.13%	4.13%	4.13%
Series C Senior Notes
Debt
Debt Instrument, Face Amount	$ 45,000,000	$ 45,000,000	$ 45,000,000	$ 45,000,000
Debt Instrument, Interest Rate, Stated Percentage	4.28%	4.28%	4.28%	4.28%
Unsecured credit facility
Debt
Line of Credit Facility, Maximum Borrowing Capacity	$ 250,000,000	$ 250,000,000	$ 250,000,000	$ 250,000,000
Maximum allowable leverage ratio			3.5
Minimum allowable fixed charge coverage ratio			1.3
Line of Credit Facility, Borrowings	0	0	$ 0	17,000,000
Line of Credit Facility, Repayments	$ 0	$ 0	$ 0	$ 17,000,000

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CASH, CASH EQUIVALENTS, AND INVESTMENTS (Narrative) (Details)	3 Months Ended
	Jun. 30, 2014 USD ($)
Cash and Cash Equivalents [Abstract]
Available-for-sale Securities, Gross Realized Losses	$ 1,000

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FAIR VALUE (Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Investments
Corporate bonds	$ 83,068	$ 21,288
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)
Investments
Corporate bonds	0	0
Significant Observable Inputs (Level 2)
Investments
Corporate bonds	83,068	21,288
Significant Unobservable Inputs (Level 3)
Investments
Corporate bonds	$ 0	$ 0

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COMPENSATION PLANS (Summary of Stock Option Activity) (Details) - Jun. 30, 2015 - Stock Options - USD ($)	Total
Stock Option Activity, Number of Shares
Outstanding non-qualified stock options, end of period (in shares)	319,283
Vested or expected to vest, end of period (in shares)	319,283
Exercisable non-qualified stock options, end of period (in shares)	319,283
Stock Options, Weighted Average Exercise Price
Outstanding non-qualified stock options, end of period (in dollars per share)	$ 26.14
Vested or expected to vest, end of period (in dollars per share)	26.14
Exercisable non-qualified stock options, end of period (in dollars per share)	$ 26.14
Stock Options, Aggregate Intrinsic Value
Outstanding non-qualified stock options, end of period (in shares)	$ 0
Vested or expected to vest, end of period (in shares)	0
Exercisable non-qualified stock options, end of period (in shares)	$ 0
Stock Options, Weighted Average Remaining Contractual Life
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	3 years 1 month 6 days
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	3 years 1 month 6 days
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	3 years 1 month 6 days
Stock Options, Weighted Average Grant Date Fair Value
Outstanding non-qualified stock options, end of period (in dollars per share)	$ 13.04
Vested or expected to vest, end of period (in dollars per share)	13.04
Exercisable non-qualified stock options, end of period (in dollars per share)	$ 13.04

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COMPANY BACKGROUND

6 Months Ended

Jun. 30, 2015

Company Background Disclosure [Abstract]

COMPANY BACKGROUND

COMPANY BACKGROUND

We are the only producer of muriate of potash (“potassium chloride” or “potash”) in the United States and one of two producers of langbeinite ("sulfate of potash magnesia"), which we market and sell as Trio^®. We sell potash and Trio^® primarily into the agricultural market as a fertilizer. We also sell these products into the animal feed market as a nutritional supplement and sell potash into the industrial market as a component in drilling and fracturing fluids for oil and gas wells and other industrial inputs. Our revenues are generated exclusively from the sale of potash and Trio^®. We also produce salt and magnesium chloride from our potash mining processes, the sales of which are accounted for as by-product credits to our cost of sales. These by-product credits represented approximately 2% to 3% of total cost of goods sold in each of the last three years.

We own three solution mining facilities and two conventional underground mining facilities that we utilize for producing potash. Our solution mining production comes from our HB solar solution mine near Carlsbad, New Mexico, a solar solution mine near Moab, Utah, and a solar brine recovery mine in Wendover, Utah. Our conventional production comes from our underground West and East mines near Carlsbad, New Mexico. We also operate the North compaction facility near Carlsbad, New Mexico, which services the West and HB mines. Trio^® production comes from underground conventional mining of a mixed ore body that contains both potash and langbeinite, which is mined and processed at the East facility near Carlsbad, New Mexico.

We manage sales and marketing operations centrally. This allows us to evaluate the product needs of our customers and then centrally determine which of our production facilities to use to fill customers’ orders in a manner designed to realize the highest average net realized sales price per ton. We calculate average net realized sales price per ton by deducting freight costs from gross revenues and then by dividing this result by tons of product sold during the period. We also monitor product inventory levels and overall production costs centrally. We have one reporting segment being the extraction, production, and sale of potassium-related products. Our extraction and production operations are conducted entirely in the continental United States.

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ASSET RETIREMENT OBLIGATION (Narrative) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Asset Retirement Obligation Disclosure [Abstract]
Credit adjusted risk-free rates to discount abandonment liabilities, low end of range (as a percent)	6.90%
Credit adjusted risk-free rates to discount abandonment liabilities, high end of range (as a percent)	8.50%
Asset retirement obligation, current	$ 1.6	$ 1.6
Undiscounted amount of asset retirement obligation	$ 57.7

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INCOME TAXES (Tables)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax (Benefit) Expense

A summary of the provision for income taxes is as follows (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Current portion of income tax (benefit) expense	$	(148	)	$	(1,108	)	$	(34	)	$	(1,108	)
Deferred portion of income tax (benefit) expense	(202		)	2,750			2,755			(28		)
Total income tax (benefit) expense	$	(350	)	$	1,642		$	2,721		$	(1,136	)
Effective tax rate	6.6		%	22.8		%	63.1		%	(27.9		)%

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COMPENSATION PLANS (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Non-Vested Restricted Common Stock Activity

A summary of activity relating to our non-vested restricted shares of common stock for the six months ended June 30, 2015, is presented below.

			Weighted Average Grant-Date Fair Value
	Shares
Non-vested restricted shares of common stock, beginning of period	464,769		$	16.49
Granted	237,256		$	14.28
Vested	(198,141	)	$	17.80
Forfeited	(33,282	)	$	15.17
Non-vested restricted shares of common stock, end of period	470,602		$	14.91

Summary of Stock Option Activity

A summary of our stock option activity for the six months ended June 30, 2015, is as follows:

	Shares	Weighted Average Exercise Price	Aggregate Intrinsic Value (1)	Weighted Average Remaining Contractual Life	Weighted Average Grant-Date Fair Value
Outstanding non-qualified stock
options, end of period	319,283	$26.14	$—	3.1	$13.04
Vested or expected to vest, end
of period	319,283	$26.14	$—	3.1	$13.04
Exercisable non-qualified
stock options, end of period	319,283	$26.14	$—	3.1	$13.04

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ASSET RETIREMENT OBLIGATION (Schedule of Changes to Asset Retirement Obligation) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Asset Retirement Obligation Disclosure [Abstract]
Asset retirement obligation, at beginning of period	$ 22,461		$ 22,037	$ 21,376
Liabilities settled	(16)	$ (45)	(16)	(121)
Liabilities incurred	0	0	0	0
Asset Retirement Obligation, Revision of Estimate	0	0	0	0
Accretion of discount	424	406	848	811
Total asset retirement obligation, at end of period	$ 22,869	$ 21,737	$ 22,869	$ 21,737

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COMMITMENTS AND CONTINGENCIES (Tables)

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Rental and Lease Expense

Rental and lease expenses follow for the indicated periods, excluding the lease termination penalty (in thousands):

2015
For the three months ended June 30, 2015	$	1,977
For the six months ended June 30, 2015	$	3,721
2014
For the three months ended June 30, 2014	$	1,629
For the six months ended June 30, 2014	$	3,210

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FAIR VALUE (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following is a listing of our assets and liabilities required to be measured at fair value on a recurring basis and where they are classified within the hierarchy as of June 30, 2015, and December 31, 2014 (in thousands):

			Fair Value at Reporting Date Using
	June 30, 2015		Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Investments
Corporate bonds	$	83,068	$	—	$	83,068	$	—

			Fair Value at Reporting Date Using
	December 31, 2014		Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Investments
Corporate bonds	$	21,288	$	—	$	21,288	$	—

Fair Value, by Balance Sheet Grouping

The carrying values and estimated fair values of our financial instruments as of June 30, 2015, and December 31, 2014, are as follows (in thousands):

	June 30, 2015				December 31, 2014
	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt	$	150,000	$	147,000	$	150,000	$	138,000

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Statement of Cash Flows [Abstract]
Interest Paid, Capitalized	$ 0.0	$ 0.4

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COMPANY BACKGROUND (Narrative) (Details) - Jun. 30, 2015	Mines	Reporting_Segments
Company Background
Number of solution mines	3
Number of conventional underground mines	2
Number of reporting segments | Reporting_Segments		1

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PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES (Schedule of Property, Plant, Equipment, and Mineral Properties) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Property, plant, equipment, and mineral properties
Property, Plant and Equipment, Gross	$ 911,748	$ 904,382
Accumulated depreciation	(307,240)	(271,294)
Depreciable assets, net	604,508	633,088
Mineral properties and development costs	164,819	163,197
Accumulated depletion	(19,989)	(17,544)
Total depletable assets, net	144,830	145,653
Land	909	909
Construction in Progress, Gross	14,603	5,600
Property, Plant, Equipment and Mineral Properties, Net	764,850	785,250
Buildings Plant [Member]
Property, plant, equipment, and mineral properties
Property, Plant and Equipment, Gross	269,752	268,032
Machinery and Equipment [Member]
Property, plant, equipment, and mineral properties
Property, Plant and Equipment, Gross	533,986	529,358
Vehicles [Member]
Property, plant, equipment, and mineral properties
Property, Plant and Equipment, Gross	13,479	13,799
Office Equipment and Improvements [Member]
Property, plant, equipment, and mineral properties
Property, Plant and Equipment, Gross	19,802	19,260
Ponds and Land Improvements [Member]
Property, plant, equipment, and mineral properties
Property, Plant and Equipment, Gross	$ 74,729	$ 73,933

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FAIR VALUE (Fair Value, by Balance Sheet Groupings) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 150,000	$ 150,000
Long-term debt, fair value	$ 147,000	$ 138,000

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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 40,285	$ 67,589
Short-term investments	63,221	10,434
Accounts receivable:
Trade, net	15,642	28,561
Other receivables, net	7,271	3,600
Refundable income taxes	288	114
Inventory, net	86,847	84,094
Prepaid expenses and other current assets	3,723	4,739
Current deferred tax asset, net	5,630	3,356
Total current assets	222,907	202,487
Property, plant, equipment, and mineral properties, net	764,850	785,250
Long-term parts inventory, net	18,879	16,366
Long-term investments	20,851	11,856
Other assets, net	3,788	4,035
Non-current deferred tax asset, net	141,712	146,725
Total Assets	1,172,987	1,166,719
Accounts payable:
Trade	20,070	19,953
Related parties	86	55
Accrued liabilities	15,946	12,483
Accrued employee compensation and benefits	9,329	12,069
Other current liabilities	4,832	2,075
Total current liabilities	50,263	46,635
Long-term debt	150,000	150,000
Asset retirement obligation	21,221	20,389
Other non-current liabilities	1,086	2,410
Total Liabilities	222,570	219,434
Common stock, $0.001 par value; 100,000,000 shares authorized; and 75,700,655 and 75,536,741 shares outstanding at June, 30, 2015, and December 31, 2014, respectively	76	76
Additional paid-in capital	577,751	576,186
Accumulated other comprehensive loss	(53)	(28)
Retained earnings	372,643	371,051
Total Stockholders' Equity	950,417	947,285
Total Liabilities and Stockholders' Equity	$ 1,172,987	$ 1,166,719

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COMPENSATION PLANS (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jul. 24, 2015	Dec. 31, 2014
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding non-vested equity-based awards, end of period (in shares)	470,602		470,602		469,381	464,769
Period over which grants vest (in years)			3 years
Allocated Share-based Compensation Expense	$ 0.8	$ 1.1	$ 1.7	$ 1.9
Total unrecognized compensation expense	$ 5.8		$ 5.8
Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding non-vested equity-based awards, end of period (in shares)	383,447		383,447
Period over which grants vest (in years)			3 years
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding non-qualified stock options, end of period (in shares)	319,283		319,283
Period over which grants vest (in years)			3 years
Common Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for issuance under the Plan (in shares)	2,900,000		2,900,000
Restricted Stock Awards, Granted To Newly Hired Employees | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period over which grants vest (in years)			1 year
Restricted Stock Awards, Granted To Newly Hired Employees | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period over which grants vest (in years)			4 years
2015 Performance Units [Member] | Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding non-vested equity-based awards, end of period (in shares)	378,150		378,150
2012-2013 Performance [Member] | Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding non-vested equity-based awards, end of period (in shares)	5,297		5,297

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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive (Loss) Income	Retained Earnings
Balance (in shares) at Dec. 31, 2014		75,536,741
Balance at Dec. 31, 2014	$ 947,285	$ 76	$ 576,186	$ (28)	$ 371,051
Increase (Decrease) in Stockholders' Equity
Unrealized loss on investments available for sale, net of tax	(25)			(25)
NetIncomeLossAvailableToCommonStockholdersBasic	1,592				1,592
Stock-based compensation	2,595		2,595
Vesting of restricted common stock, net of restricted common stock used to fund employee income tax withholding due upon vesting (in shares)		163,914
Vesting of restricted common stock, net of restricted common stock used to fund employee income tax withholding due upon vesting	(1,030)	$ 0	(1,030)
Balance (in shares) at Jun. 30, 2015		75,700,655
Balance at Jun. 30, 2015	$ 950,417	$ 76	$ 577,751	$ (53)	$ 372,643

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CASH, CASH EQUIVALENTS, AND INVESTMENTS (Summary of Cash, Cash Equivalents, and Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Investment [Line Items]
Cash and cash equivalents	$ 40,285	$ 67,589	$ 31,069	$ 394
Short-term investments	63,221	10,434
Long-term investments	20,851	11,856
Cash, cash equivalents, and investments	124,357	89,879
Cash
Investment [Line Items]
Cash and cash equivalents	14,184	16,506
Commercial paper and money market accounts
Investment [Line Items]
Cash and cash equivalents	26,101	51,083
Corporate bonds
Investment [Line Items]
Short-term investments	62,217	9,432
Long-term investments	20,851	11,856
Certificates of deposit and time deposits
Investment [Line Items]
Short-term investments	$ 1,004	$ 1,002

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RECENT ACCOUNTING PRONOUNCEMENTS

6 Months Ended

Jun. 30, 2015

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

RECENT ACCOUNTING PRONOUNCEMENTS

RECENT ACCOUNTING PRONOUNCEMENTS

In May 2014, the FASB issued Accounting Standards Update No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” which requires revenue to be recognized based on the amount an entity is expected to be entitled to for promised goods or services provided to customers. The standard also requires expanded disclosures regarding contracts with customers. The guidance in this standard supersedes the revenue recognition requirements in Topic 605, "Revenue Recognition", and most industry-specific guidance. This guidance is effective for us beginning January 1, 2018, with retrospective application required, subject to certain practical expedients. We are currently evaluating the requirements of this standard, and have not yet determined the impact on our results of operations or financial position.

In April 2015, the FASB issued Accounting Standards Update No. 2015-03, “Simplifying the Presentation of Debt Issuance Costs.” Under this standard we will present debt issuance costs in the balance sheet as a reduction from the related debt liability rather than as an asset. Amortization of such costs will continue to be reported as interest expense. This guidance is effective for us beginning January 1, 2016, but early adoption is allowed. We have not determined the period in which we will adopt the new guidance. Retrospective adoption is required. Upon adoption, our deferred financing costs will be reclassified from "Prepaid expenses and other current assets" and "Other assets, net" to "Long-term debt."

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CASH, CASH EQUIVALENTS, AND INVESTMENTS (Schedule of Available-for-Sale Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Fair value of cash, cash equivalents, and investments
Available-for-sale Securities, Amortized Cost Basis	$ 84,160	$ 22,337
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	11	1
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	99	48
Available-for-sale Securities, Fair Value Disclosure	84,072	22,290
Corporate bonds
Fair value of cash, cash equivalents, and investments
Available-for-sale Securities, Amortized Cost Basis	83,156	21,335
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	11	1
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	99	48
Available-for-sale Securities, Fair Value Disclosure	83,068	21,288
Certificates of deposit and time deposits
Fair value of cash, cash equivalents, and investments
Available-for-sale Securities, Amortized Cost Basis	1,004	1,002
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	0	0
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities, Fair Value Disclosure	$ 1,004	$ 1,002

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EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Potentially dilutive securities, including non-vested restricted common stock, stock options, and performance units, are excluded from the diluted weighted average shares outstanding computation in periods in which they have an anti-dilutive effect, such as when there is a net loss. The treasury stock method is used to measure the dilutive impact of non-vested restricted common stock, stock options outstanding, and performance units. The following table shows the shares that have an anti-dilutive effect and are excluded from the diluted weighted average shares outstanding computations:

	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Anti-dilutive effect of non-vested restricted common stock	474,481	137,093	161,675	107,285
Anti-dilutive effect of stock options outstanding	319,563	333,612	320,241	335,171
Anti-dilutive effect of performance units	194,374	—	131,621	—

Schedule of Calculation of Basic and Diluted Loss or Earnings Per Share

The following table sets forth the calculation of basic and diluted earnings per share (in thousands, except per share amounts):

	Three Months Ended June 30,					Six Months Ended June 30,
	2015			2014		2015		2014
Net (loss) income	$	(4,937	)	$	5,562	$	1,592	$	5,207
Basic weighted average common shares outstanding	75,683			75,515		75,636		75,480
Add: Dilutive effect of non-vested restricted common stock	—			49		90		43
Add: Dilutive effect of performance units	—			10		6		11
Diluted weighted average common shares outstanding	75,683			75,574		75,732		75,534
(Loss) Earnings per share:
Basic	$	(0.07	)	$	0.07	$	0.02	$	0.07
Diluted	$	(0.07	)	$	0.07	$	0.02	$	0.07

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Reconciliation of net income to net cash provided by operating activities:
Net income	$ 1,592	$ 5,207
Deferred income taxes	2,754	(28)
Items not affecting cash:
Depreciation, depletion, and accretion	40,673	39,523
Stock-based compensation	2,595	2,531
Lower-of-cost-or-market inventory adjustments	5,636	4,706
Other	1,048	(52)
Changes in operating assets and liabilities:
Trade accounts receivable, net	12,919	(12,200)
Other receivables, net	(3,671)	2,354
Refundable income taxes	(174)	989
Inventory, net	(10,903)	12,510
Prepaid expenses and other assets	1,063	1,852
Accounts payable, accrued liabilities, and accrued employee compensation and benefits	244	(707)
Other liabilities	1,418	(836)
Net cash provided by operating activities	55,194	55,849
Cash Flows from Investing Activities:
Additions to property, plant, equipment, and mineral properties	(18,989)	(45,139)
Purchases of investments	(72,227)	(7)
Proceeds from sale of investments	9,748	20,583
Net cash used in investing activities	(81,468)	(24,563)
Cash Flows from Financing Activities:
Employee tax withholding paid for restricted stock upon vesting	(1,030)	(611)
Net cash used in financing activities	(1,030)	(611)
Net Change in Cash and Cash Equivalents	(27,304)	30,675
Cash and Cash Equivalents, beginning of period	67,589	394
Cash and Cash Equivalents, end of period	40,285	31,069
Net cash paid (refunded) during the period for:
Interest, net of $0 million, and $0.4 million of capitalized interest	3,124	2,820
Income taxes	41	(2,097)
Accrued purchases for property, plant, equipment, and mineral properties	$ 5,557	$ 7,672

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares outstanding	75,700,655	75,536,741

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COMPENSATION PLANS

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

COMPENSATION PLANS

COMPENSATION PLANS

Cash Bonus Plan—We have cash bonus plans that allow participants to receive varying percentages of their aggregate base salary. Any awards under the cash bonus plans are based on a variety of elements related to our performance in certain production, operational, financial, and other areas, as well as the participants’ individual performance. We accrue cash bonus expense related to the current year’s performance.

Equity Incentive Compensation Plan—Our Board of Directors and stockholders adopted a long-term incentive compensation plan called the Intrepid Potash, Inc. Equity Incentive Plan, as Amended and Restated (the "Plan"). We have issued common stock, restricted shares of common stock, performance units, and non-qualified stock option awards under the Plan. As of June 30, 2015, the following awards were outstanding under the plan: 470,602 shares of non-vested restricted shares of common stock; non-vested performance units representing 383,447 shares of common stock; and options to purchase 319,283 shares of common stock. As of June 30, 2015, approximately 2.9 million shares of common stock remained available for issuance under the Plan.

Common Stock—On an annual basis, under the Plan, the Compensation Committee of the Board of Directors (the "Compensation Committee") has approved the award of shares of common stock to the non-employee members of the Board of Directors as compensation for service for the period ending on the date of our annual stockholders’ meeting for the following year. These shares of common stock were granted without restrictions and vested immediately.

Non-vested Restricted Shares of Common Stock—Under the Plan, grants of non-vested restricted shares of common stock have been awarded to executive officers, other key employees, and consultants. The awards contain service conditions associated with continued employment or service. The terms of the non-vested restricted shares of common stock provide voting and regular dividend rights to the holders of the awards. Upon vesting, the restrictions on the restricted shares of common stock lapse and the shares are considered issued and outstanding.

Since 2009, the Compensation Committee has granted restricted shares of common stock under the Plan in the first quarter of each year to our executive management team and other selected employees as part of an annual equity award program. These awards vest ratably over three years. From time to time, the Compensation Committee grants restricted shares of common stock to newly hired or promoted employees or other employees or consultants who have achieved extraordinary personal performance objectives. These restricted shares of common stock generally vest over one- to four-year periods.

In measuring compensation expense associated with the grant of non-vested restricted shares of common stock, we use the fair value of the award, determined as the closing stock price for our common stock on the grant date. Compensation expense is recorded monthly over the vesting period of the award. Total compensation expense related to the non-vested restricted shares of common stock awards was $0.8 million and $1.1 million for the three months ended June 30, 2015, and 2014, respectively. Total compensation expense related to the non-vested restricted shares of common stock awards was $1.7 million and $1.9 million for the six months ended June 30, 2015, and 2014, respectively. These amounts are net of estimated forfeiture adjustments. As of June 30, 2015, there was $5.8 million of total remaining unrecognized compensation expense related to non-vested restricted shares of common stock that will be expensed through 2018.

A summary of activity relating to our non-vested restricted shares of common stock for the six months ended June 30, 2015, is presented below.

			Weighted Average Grant-Date Fair Value
	Shares
Non-vested restricted shares of common stock, beginning of period	464,769		$	16.49
Granted	237,256		$	14.28
Vested	(198,141	)	$	17.80
Forfeited	(33,282	)	$	15.17
Non-vested restricted shares of common stock, end of period	470,602		$	14.91

Performance Units—In 2015, the Compensation Committee granted at-risk performance units under the Plan to a member of our executive team as part of their annual compensation package. The performance units vest in February 2018 and contain market-based conditions relating to one-, two- and three-year performance periods beginning on the grant date. A total of 378,150 shares of common stock are available for future payout under these performance units, subject to continued employment through the vesting date.

In 2013 and 2012, the Compensation Committee granted performance units under the Plan to certain members of our executive management team as part of the annual equity award program. The performance units vest ratably over three years and contain operational- and market-based conditions relating to the year of grant. The time frames for meeting both the operational- and market-based conditions of the 2013 and 2012 grants have passed, and a total of 5,297 shares of common stock are available for future payout under these performance units, subject to continued employment of the individual grantees through the vesting dates.

Non-qualified Stock Options—From 2009 to 2011, the Compensation Committee issued non-qualified stock options under the Plan in the first quarter of each year to our executive management and other selected employees as part of our annual award program. These stock options generally vested ratably over three years. In measuring compensation expense for options, we estimated the fair value of the award on the grant dates using the Black‑Scholes option valuation model. Option valuation models require the input of highly subjective assumptions, including the expected volatility of the price of the underlying stock.

As of March 31, 2014, all outstanding stock options were fully vested. Realized tax benefits from tax deductions for exercised options in excess of the deferred tax asset attributable to stock compensation for these options are recorded as “excess tax benefits” when the tax deductions occur.

A summary of our stock option activity for the six months ended June 30, 2015, is as follows:

	Shares	Weighted Average Exercise Price	Aggregate Intrinsic Value (1)	Weighted Average Remaining Contractual Life	Weighted Average Grant-Date Fair Value
Outstanding non-qualified stock
options, end of period	319,283	$26.14	$—	3.1	$13.04
Vested or expected to vest, end
of period	319,283	$26.14	$—	3.1	$13.04
Exercisable non-qualified
stock options, end of period	319,283	$26.14	$—	3.1	$13.04

(1) The intrinsic value of a stock option is the amount by which the market value exceeds the exercise price as of the end of the period presented.

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Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2015	Jul. 24, 2015	Dec. 31, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	Intrepid Potash, Inc.
Entity Central Index Key	0001421461
Document Type	10-Q
Document Period End Date	Jun. 30, 2015
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		76,170,036
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Restricted Stock
Document and Entity Information [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	470,602	469,381	464,769

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INCOME TAXES

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

Our effective tax rate is impacted primarily by the amount of taxable income associated with each jurisdiction in which our income is subject to income tax, permanent differences between the financial statement carrying amounts and tax bases of assets and liabilities.

A summary of the provision for income taxes is as follows (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Current portion of income tax (benefit) expense	$	(148	)	$	(1,108	)	$	(34	)	$	(1,108	)
Deferred portion of income tax (benefit) expense	(202		)	2,750			2,755			(28		)
Total income tax (benefit) expense	$	(350	)	$	1,642		$	2,721		$	(1,136	)
Effective tax rate	6.6		%	22.8		%	63.1		%	(27.9		)%

During the three and six months ended June 30, 2015, our effective tax rate differed from the statutory rate primarily as a result of the benefit from estimated depletion deductions that exceed the tax basis in the mineral reserves. The size of the estimated depletion deductions relative to pre-tax income (loss) levels had, and is expected to have, a pronounced impact on our effective tax rate in 2015. During the three months ended June 30, 2014, in addition to the items noted above, we also benefited from a discrete adjustment related to the reversal of a $1.7 million valuation allowance related to our New Mexico net operating loss carry forwards, as those carry forwards became realizable based on legislation passed by the State of New Mexico in the first quarter of 2014.

The blended state tax rate applied to the deferred tax calculation is subject to change due to changes in state laws and changes in the mix of our business and the states in which we have a taxable relationship. This creates fluctuations in the value of our net deferred tax asset.

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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Sales	$ 73,651	$ 110,949	$ 190,672	$ 209,824
Less:
Freight costs	6,898	11,760	17,810	21,691
Warehousing and handling costs	3,437	2,988	7,184	5,800
Cost of goods sold	55,435	79,383	138,717	157,957
Lower-of-cost-or-market inventory adjustments	5,276	1,140	5,636	4,706
Gross Margin	2,605	15,678	21,325	19,670
Selling and administrative	8,424	7,064	15,892	13,810
Accretion of asset retirement obligation	424	406	848	811
Restructuring expense	0	0	0	1,827
Other operating income	(2,312)	(305)	(2,246)	(3,250)
Operating (Loss) Income	(3,931)	8,513	6,831	6,472
Other Income (Expense)
Interest expense, net	(1,602)	(1,556)	(3,246)	(2,936)
Interest income	200	22	355	75
Other income	46	225	373	460
(Loss) Income Before Income Taxes	(5,287)	7,204	4,313	4,071
Income Tax Benefit (Expense)	350	(1,642)	(2,721)	1,136
Net (Loss) Income	$ (4,937)	$ 5,562	$ 1,592	$ 5,207
Weighted Average Shares Outstanding:
Basic (in shares)	75,683,075	75,514,991	75,636,343	75,480,165
Diluted (in shares)	75,683,075	75,573,918	75,731,910	75,534,138
(Loss) Earnings Per Share:
Basic (in dollars per share)	$ (0.07)	$ 0.07	$ 0.02	$ 0.07
Diluted (in dollars per share)	$ (0.07)	$ 0.07	$ 0.02	$ 0.07

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CASH, CASH EQUIVALENTS, AND INVESTMENTS

6 Months Ended

Jun. 30, 2015

Cash, Cash Equivalents, and Investments Disclosure [Abstract]

CASH, CASH EQUIVALENTS, AND INVESTMENTS

CASH, CASH EQUIVALENTS, AND INVESTMENTS

The following table summarizes the fair value of our cash and investments held in our portfolio, recorded as cash and cash equivalents or short-term or long-term investments as of June 30, 2015, and December 31, 2014 (in thousands):

	June 30, 2015		December 31, 2014
Cash	$	14,184	$	16,506
Commercial paper and money market accounts	26,101		51,083
Total cash and cash equivalents	$	40,285	$	67,589
Corporate bonds	$	62,217	$	9,432
Certificates of deposit and time deposits	1,004		1,002
Total short-term investments	$	63,221	$	10,434
Corporate bonds	$	20,851	$	11,856
Total long-term investments	$	20,851	$	11,856
Total cash, cash equivalents, and investments	$	124,357	$	89,879

The following tables summarize the cost basis, unrealized gains and losses, and fair value of our available-for-sale investments held in our portfolio as of June 30, 2015, and December 31, 2014 (in thousands):

	June 30, 2015
			Unrealized
	Cost Basis		Gain		Loss			Fair Value
Corporate bonds	$	83,156	$	11	$	(99	)	$	83,068
Certificates of deposit and time deposits	1,004		—		—			1,004
Total available-for-sale securities	$	84,160	$	11	$	(99	)	$	84,072

	December 31, 2014
			Unrealized
	Cost Basis		Gain		Loss			Fair Value
Corporate bonds	$	21,335	$	1	$	(48	)	$	21,288
Certificates of deposit and time deposits	1,002		—		—			1,002
Total available-for-sale securities	$	22,337	$	1	$	(48	)	$	22,290

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EARNINGS PER SHARE

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

Potentially dilutive securities, including non-vested restricted common stock, stock options, and performance units, are excluded from the diluted weighted average shares outstanding computation in periods in which they have an anti-dilutive effect, such as when there is a net loss. The treasury stock method is used to measure the dilutive impact of non-vested restricted common stock, stock options outstanding, and performance units. The following table shows the shares that have an anti-dilutive effect and are excluded from the diluted weighted average shares outstanding computations:

	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Anti-dilutive effect of non-vested restricted common stock	474,481	137,093	161,675	107,285
Anti-dilutive effect of stock options outstanding	319,563	333,612	320,241	335,171
Anti-dilutive effect of performance units	194,374	—	131,621	—

The following table sets forth the calculation of basic and diluted earnings per share (in thousands, except per share amounts):

	Three Months Ended June 30,					Six Months Ended June 30,
	2015			2014		2015		2014
Net (loss) income	$	(4,937	)	$	5,562	$	1,592	$	5,207
Basic weighted average common shares outstanding	75,683			75,515		75,636		75,480
Add: Dilutive effect of non-vested restricted common stock	—			49		90		43
Add: Dilutive effect of performance units	—			10		6		11
Diluted weighted average common shares outstanding	75,683			75,574		75,732		75,534
(Loss) Earnings per share:
Basic	$	(0.07	)	$	0.07	$	0.02	$	0.07
Diluted	$	(0.07	)	$	0.07	$	0.02	$	0.07

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

6 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Principles of Consolidation

Our consolidated financial statements include our accounts and those of our wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. In the opinion of management, all adjustments, consisting of normal recurring accruals considered necessary for a fair presentation of interim financial information, have been included.

Use of Estimates

The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities as of the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. We base our estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances. Accordingly, actual results may differ significantly from these estimates under different assumptions or conditions.

Significant estimates include, but are not limited to, those for proven and probable mineral reserves, the related present value of estimated future net cash flows, useful lives of plant assets, asset retirement obligations, normal inventory production levels, inventory valuations, the valuation of equity awards, the valuation of receivables, valuation of our deferred tax assets and estimated blended income tax rates utilized in the current and deferred income tax calculations. There are numerous uncertainties inherent in estimating quantities of proven and probable reserves, projecting future rates of production, and the timing of development expenditures. Future mineral prices may vary significantly from the prices in effect at the time the estimates are made, as may estimates of future operating costs. The estimate of proven and probable mineral reserves, the related present value of estimated future cash flows, and useful lives of plant assets can affect various other items including depletion, the net carrying value of our mineral properties, the useful lives of related property, plant, and equipment, depreciation expense, and estimates associated with recoverability of long-lived assets and asset retirement obligations. Specific to income tax items, we experience fluctuations in the valuation of the deferred tax assets and liabilities due to changing state income tax rates and the blend of state tax rates.

Revenue Recognition

Revenue is recognized when evidence of an arrangement exists, risks and rewards of ownership have been transferred to customers, which is generally when title passes, the selling price is fixed and determinable, and collection is reasonably assured. Title passes at the designated shipping point for the majority of sales, but, in a few cases, title passes at the delivery destination. The shipping point may be the plant, a distribution warehouse, a customer warehouse, or a port. Title passes for some international shipments upon payment by the purchaser; however, revenue is not recognized for these transactions until shipment because the risks and rewards of ownership have not transferred pursuant to a contractual arrangement. Prices are generally set at the time of, or prior to, shipment. In cases where the final price is determined upon resale of the product by the customer, revenue is deferred until the final sales price is known.

Sales are reported on a gross basis. We quote prices to customers both on a delivered basis and on the basis of pick-up at our plants and warehouses. When a sale occurs on a delivered basis, we incur and, in turn, bill the customer and record as gross revenue the product sales value, freight, packaging, and certain other distribution costs. Many customers, however, arrange and pay for these costs directly and, in these situations, only the product sales are included in gross revenues.

By-Product Credits

When by-product inventories are sold, we record the sale of by-products as a credit to cost of goods sold.

Property, Plant, Equipment, Mineral Properties and Development Costs Policy

Property, plant, and equipment are stated at historical cost. Expenditures for property, plant, and equipment relating to new assets or improvements are capitalized, provided the expenditure extends the useful life of an asset or extends the asset’s functionality. Property, plant, and equipment are depreciated under the straight-line method using estimated useful lives. No depreciation is taken on assets classified as construction in progress until the asset is placed into service. Gains and losses are recorded upon retirement, sale, or disposal of assets. Maintenance and repair costs are recognized as period costs when incurred. Capitalized interest, to the extent of debt outstanding, is calculated and capitalized on assets that are being constructed, drilled, or built or that are otherwise classified as construction in progress.

Mineral properties and development costs, which are referred to collectively as mineral properties, include acquisition costs, the cost of drilling production wells, and the cost of other development work, all of which are capitalized. Depletion of mineral properties is calculated using the units-of-production method over the estimated life of the relevant ore body. The lives of reserves used for accounting purposes are shorter than current reserve life determinations due to uncertainties inherent in long-term estimates. These reserve life estimates have been prepared by us and reviewed and independently determined by mine consultants. Tons of potash and langbeinite in the proven and probable reserves are expressed in terms of expected finished tons of product to be realized, net of estimated losses. Market price fluctuations of potash or Trio^®, as well as increased production costs or reduced recovery rates, could render proven and probable reserves containing relatively lower grades of mineralization uneconomic to exploit and might result in a reduction of reserves. In addition, the provisions of our mineral leases, including royalty provisions, are subject to periodic readjustment by the state and federal government, which could affect the economics of our reserve estimates. Significant changes in the estimated reserves could have a material impact on our results of operations and financial position.

Fair Value of Financial Instruments

Our financial instruments include cash and cash equivalents, short-term and long-term investments, restricted cash, accounts receivable, refundable income taxes, and accounts payable. These instruments are carried at cost, which approximates fair value due to the short-term maturities of the instruments. All available-for-sale investments are carried at fair value. Allowances for doubtful accounts are recorded against the accounts receivable balance to estimate net realizable value. The fair value of the long-term debt is estimated using discounted cash flow analysis based on current borrowing rates for debt with similar remaining maturities and ratings. Although there are no amounts currently outstanding under our unsecured credit facility, any borrowings that become outstanding would bear interest at a floating rate and therefore be recorded at their estimated fair value.

(Loss) Earnings per Share

Basic net income or loss per common share of stock is calculated by dividing net income or loss available to common stockholders by the weighted average basic common shares outstanding for the respective period.

Diluted net income or loss per common share of stock is calculated by dividing net income or loss by the weighted average diluted common shares outstanding, which includes the effect of potentially dilutive securities. Potentially dilutive securities for the diluted earnings or loss per share calculation consist of awards of non-vested restricted shares of common stock, non-vested performance units, and non-qualified stock options. The dilutive effect of stock based compensation arrangements are computed using the treasury stock method. Following the lapse of the vesting period of restricted shares of common stock, the shares are considered issued and therefore are included in the number of issued and outstanding shares for purposes of these calculations.

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COMMITMENTS AND CONTINGENCIES

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

COMMITMENTS AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES

Marketing Agreements—We have a marketing agreement appointing PCS Sales (USA), Inc. (“PCS Sales”) as our exclusive sales representative for potash export sales, with the exception of sales to Canada and Mexico, and appointing PCS Sales as our non-exclusive sales representative for potash sales into Mexico. Trio^® is also marketed under this arrangement. This agreement is cancelable with 30 days' written notice.

Reclamation Deposits and Surety Bonds—As of June 30, 2015, we had $18.0 million of security placed principally with the State of Utah and the Bureau of Land Management for eventual reclamation of our various facilities. Of this total requirement, as of June 30, 2015, $0.5 million consisted of long-term restricted cash deposits reflected in “Other” long-term assets on the condensed consolidated balance sheets, and $17.5 million was secured by surety bonds issued by an insurer. The surety bonds are held in place by an annual fee paid to the issuer.

We may be required to post additional security to fund future reclamation obligations as reclamation plans are updated or as governmental entities change requirements.

New Mexico Employment Credits—Beginning in 2011, based on an approval and payment of an application with the State of New Mexico, we began recording an estimate of refundable employment-related credits for qualified wages paid in New Mexico, known as the New Mexico High Wage Jobs Credit. The estimated recoverable value of these credits has been, and continues to be, reflected as a reduction to production costs and amounts yet to be collected are recorded in “Other receivables, net” in the condensed consolidated balance sheets in the same period in which the credit is earned.

In the third quarter of 2013, the New Mexico Taxation and Revenue Department denied our application to receive the New Mexico High Wage Jobs Credit for certain prior years' filings. Considering the uncertainty associated with collection of these credits, we recorded an additional allowance of approximately $2.8 million in the third quarter of 2013, for credits relating to the denied periods in order to reflect the denial of the claimed credits. In March 2014, as a result of our continuing efforts to collect these credits, we received notification from the New Mexico Taxation and Revenue Department that $5.9 million of credits previously denied were approved. Accordingly, during the first quarter of 2014, we reversed $2.9 million of the previously established allowance to reflect the collectability of these credits. These credits are typically considered in our product inventory calculations as they relate to the labor associated with operations. As the inventory associated with the periods during which the credits were originally earned has since been sold, we recorded the reversal of the allowance as "Other operating income" in the condensed consolidated statement of operations for the three months ended June 30, 2014. As of June 30, 2015, we have a receivable of $2.2 million, net of an allowance of $0.5 million, associated with the New Mexico High Wage Jobs Credits, and we intend to continue to vigorously pursue recovery of all unpaid credits.

Legal—We are subject to claims and legal actions in the ordinary course of business. While there are uncertainties in predicting the outcome of any claim or legal action, we believe that the ultimate resolution of these claims or actions is not reasonably likely to have a material adverse effect on our financial condition, results of operations or cash flows.

Future Operating Lease Commitments—We have operating leases for land, mining and other operating equipment, an airplane, offices, and railcars, with original terms ranging up to 20 years. In May 2015, we exercised our option to terminate our existing office lease effective May 1, 2016. Under the provisions of our existing lease, we incurred a termination penalty of $1.2 million which we expect will be payable in the first quarter of 2016. The termination penalty charge is included in selling and administrative expense in the second quarter of 2015.

Rental and lease expenses follow for the indicated periods, excluding the lease termination penalty (in thousands):

2015
For the three months ended June 30, 2015	$	1,977
For the six months ended June 30, 2015	$	3,721
2014
For the three months ended June 30, 2014	$	1,629
For the six months ended June 30, 2014	$	3,210

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DEBT

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

DEBT

DEBT

Unsecured Credit Facility— We have an unsecured credit facility, led by U.S. Bank, as administrative agent, and Wells Fargo Bank, as syndication agent. This unsecured revolving credit facility provides credit of up to $250 million. The actual amount available to us is limited by our leverage ratio, which may not exceed 3.5, and our fixed charge coverage ratio, which may not be below 1.3. As of June 30, 2015, $212 million of the facility was available to us. Based on current market conditions, we expect the amount available to us will continue to be limited during 2015 as a result of the operation of these ratios.

Under the facility, the leverage ratio is defined as the ratio of total funded indebtedness to adjusted EBITDA (earnings before interest, income taxes, depreciation, amortization, and certain other expenses) for the prior four fiscal quarters. The fixed charge coverage ratio is defined as the ratio of adjusted EBITDA for the prior four fiscal quarters to fixed charges.

The facility is unsecured and is guaranteed by our material subsidiaries. The facility has a maturity date of August 2018. As of June 30, 2015, and December 31, 2014, there were no amounts outstanding under the facility. We were in compliance with the covenants under the credit facility as of June 30, 2015.

Unsecured Senior Notes—In April 2013, we issued $150 million aggregate principal amount of unsecured senior notes ("the Notes") pursuant to a note purchase agreement entered into in August 2012. We received proceeds of $149.3 million, net of offering costs. The Notes consist of the following series:

• $60 million of 3.23% Senior Notes, Series A, due April 16, 2020

• $45 million of 4.13% Senior Notes, Series B, due April 14, 2023

• $45 million of 4.28% Senior Notes, Series C, due April 16, 2025

The Notes are senior unsecured obligations and rank equally in right of payment with any other unsubordinated unsecured indebtedness of ours. The Notes are subject to the same leverage ratio and fixed charge coverage ratio as apply under the credit facility. The obligations under the Notes are unconditionally guaranteed by our material subsidiaries.

We were in compliance with the covenants under the Notes as of June 30, 2015.

Interest is paid semiannually on April 16 and October 16 of each year. Interest expense is recorded net of any capitalized interest associated with investments in capital projects. We incurred gross interest expense of $3.3 million for both the six months ended June 30, 2015, and 2014. We capitalized an immaterial amount and $0.4 million of interest during the six months ended June 30, 2015, and 2014, respectively.

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INVENTORY AND LONG-TERM PARTS INVENTORY

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

INVENTORY AND LONG-TERM PARTS INVENTORY

INVENTORY AND LONG-TERM PARTS INVENTORY

The following summarizes our inventory, recorded at the lower of weighted average cost or estimated net realizable value, as of June 30, 2015, and December 31, 2014, respectively (in thousands):

	June 30, 2015		December 31, 2014
Finished goods product inventory	$	42,571	$	44,137
In-process mineral inventory	22,233		19,584
Total product inventory	64,804		63,721
Current parts inventory, net	22,043		20,373
Total current inventory, net	86,847		84,094
Long-term parts inventory, net	18,879		16,366
Total inventory, net	$	105,726	$	100,460

Parts inventories are shown net of any required allowances.

During the six months ended June 30, 2015, and 2014, we recorded charges of approximately $5.6 million and $4.7 million, respectively, as a result of routine assessments of the lower of weighted average cost or estimated net realizable value on our finished goods product inventory.

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PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES

6 Months Ended

Jun. 30, 2015

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant, Equipment, and Mineral Properties

“Property, plant, equipment, and mineral properties, net" were comprised of the following (in thousands):

	June 30, 2015			December 31, 2014
Buildings and plant	$	269,752		$	268,032
Machinery and equipment	533,986			529,358
Vehicles	13,479			13,799
Office equipment and improvements	19,802			19,260
Ponds and land improvements	74,729			73,933
Total depreciable assets	911,748			904,382
Accumulated depreciation	(307,240		)	(271,294		)
Total depreciable assets, net	$	604,508		$	633,088
Mineral properties and development costs	$	164,819		$	163,197
Accumulated depletion	(19,989		)	(17,544		)
Total depletable assets, net	$	144,830		$	145,653
Land	909			909
Construction in progress	$	14,603		$	5,600
Total property, plant, equipment, and mineral properties, net	$	764,850		$	785,250

PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES

PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES

“Property, plant, equipment, and mineral properties, net" were comprised of the following (in thousands):

	June 30, 2015			December 31, 2014
Buildings and plant	$	269,752		$	268,032
Machinery and equipment	533,986			529,358
Vehicles	13,479			13,799
Office equipment and improvements	19,802			19,260
Ponds and land improvements	74,729			73,933
Total depreciable assets	911,748			904,382
Accumulated depreciation	(307,240		)	(271,294		)
Total depreciable assets, net	$	604,508		$	633,088
Mineral properties and development costs	$	164,819		$	163,197
Accumulated depletion	(19,989		)	(17,544		)
Total depletable assets, net	$	144,830		$	145,653
Land	909			909
Construction in progress	$	14,603		$	5,600
Total property, plant, equipment, and mineral properties, net	$	764,850		$	785,250

We incurred the following expenses for depreciation, depletion, and accretion, including expenses capitalized into inventory, for the following periods (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Depreciation	$	18,485	$	18,636	$	37,364	$	36,896
Depletion	488		832		2,461		1,816
Accretion	424		406		848		811
Total incurred	$	19,397	$	19,874	$	40,673	$	39,523

Depreciation, Depletion, and Amortization [Policy Text Block]

We incurred the following expenses for depreciation, depletion, and accretion, including expenses capitalized into inventory, for the following periods (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Depreciation	$	18,485	$	18,636	$	37,364	$	36,896
Depletion	488		832		2,461		1,816
Accretion	424		406		848		811
Total incurred	$	19,397	$	19,874	$	40,673	$	39,523

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ASSET RETIREMENT OBLIGATION

6 Months Ended

Jun. 30, 2015

Asset Retirement Obligation Disclosure [Abstract]

ASSET RETIREMENT OBLIGATION

ASSET RETIREMENT OBLIGATION

We recognize an estimated liability for future costs associated with the abandonment and reclamation of our mining properties. A liability for the fair value of an asset retirement obligation and a corresponding increase to the carrying value of the related long-lived asset are recorded as the mining operations occur or the assets are acquired.

Our asset retirement obligation is based on the estimated cost to abandon and reclaim the mining operations, the economic life of the properties, and federal and state regulatory requirements. The liability is discounted using credit adjusted risk-free rate estimates at the time the liability is incurred or when there are upward revisions to estimated costs. The credit adjusted risk-free rates used to discount our abandonment liabilities range from 6.9% to 8.5%. Revisions to the liability occur due to construction of new or expanded facilities, changes in estimated abandonment costs or economic lives, or if federal or state regulators enact new requirements regarding the abandonment or reclamation of mines.

Following is a table of the changes to our asset retirement obligation for the following periods (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Asset retirement obligation, at beginning of period	$	22,461		$	21,376		$	22,037		$	21,047
Liabilities settled	(16		)	(45		)	(16		)	(121		)
Liabilities incurred	—			—			—			—
Changes in estimated obligations	—			—			—			—
Accretion of discount	424			406			848			811
Total asset retirement obligation, at end of period	$	22,869		$	21,737		$	22,869		$	21,737

The current portion of the asset retirement obligation of $1.6 million is included in "Other" current liabilities on the condensed consolidated balance sheets as of June 30, 2015, and December 31, 2014. The undiscounted amount of asset retirement obligation is $57.7 million as of June 30, 2015.

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EARNINGS PER SHARE (Schedule of Calculation of Basic and Diluted Loss or Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Net (loss) income	$ (4,937)	$ 5,562	$ 1,592	$ 5,207
Basic weighted average common shares outstanding (in shares)	75,683,075	75,514,991	75,636,343	75,480,165
Add: Dilutive effect of non-vested restricted common stock (in shares)	0	49,362	89,840	43,063
Add: Dilutive effect of performance units (in shares)	0	9,565	5,727	10,910
Diluted weighted average common shares outstanding (in shares)	75,683,075	75,573,918	75,731,910	75,534,138
(Loss) Earnings per share:
Basic (in dollars per share)	$ (0.07)	$ 0.07	$ 0.02	$ 0.07
Diluted (in dollars per share)	$ (0.07)	$ 0.07	$ 0.02	$ 0.07

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COMMITMENTS AND CONTINGENCIES (Schedule of Rental and Lease Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Commitments and Contingencies Disclosure [Abstract]
Rental and lease expenses	$ 1,977	$ 1,629	$ 3,721	$ 3,210

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RESTRUCTURING CHARGE

6 Months Ended

Jun. 30, 2015

Restructuring Charge [Abstract]

RESTRUCTURING CHARGE

RESTRUCTURING CHARGE

In January 2014, in response to declining potash prices and completion of our major capital projects, we undertook a number of cost saving actions that were intended to better align our cost structure with the business environment. These initiatives included the elimination of approximately 7% of the workforce, reduction in the use of outside professionals, and cutbacks in other general and administrative areas. In early 2014, we also temporarily decreased executive and senior management compensation; we reinstated most executive and senior management salaries in mid-2014 and reinstated other compensation elements in 2015. For the six months ended June 30, 2014, we recognized a restructuring expense of $1.8 million, which is comprised primarily of severance-related payments.

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INVENTORY AND LONG-TERM PARTS INVENTORY (Tables)

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Summary of Inventory

The following summarizes our inventory, recorded at the lower of weighted average cost or estimated net realizable value, as of June 30, 2015, and December 31, 2014, respectively (in thousands):

	June 30, 2015		December 31, 2014
Finished goods product inventory	$	42,571	$	44,137
In-process mineral inventory	22,233		19,584
Total product inventory	64,804		63,721
Current parts inventory, net	22,043		20,373
Total current inventory, net	86,847		84,094
Long-term parts inventory, net	18,879		16,366
Total inventory, net	$	105,726	$	100,460

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INCOME TAXES (Schedule of Components of Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Current portion of income tax (benefit) expense	$ (148)	$ (1,108)	$ (34)	$ (1,108)
Deferred portion of income tax (benefit) expense	(202)	2,750	2,755	(28)
Total income tax (benefit) expense	$ (350)	$ 1,642	$ 2,721	$ (1,136)
Effective tax rate	6.60%	22.80%	63.10%	(27.90%)

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PROPERTY, PLANT, EQUIPMENT, AND MINERAL PROPERTIES (Schedule of Depreciation, Depletion, and Accretion) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Property, plant, equipment, and mineral properties
Depreciation	$ 18,485	$ 18,636	$ 37,364	$ 36,896
Depletion	488	832	2,461	1,816
Accretion	424	406	848	811
Total incurred	$ 19,397	$ 19,874	$ 40,673	$ 39,523

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net (Loss) Income	$ (4,937)	$ 5,562	$ 1,592	$ 5,207
Unrealized (loss) gain on investments available for sale, net of tax	(35)	0	(25)	12
Other Comprehensive (Loss) Income	(35)	0	(25)	12
Comprehensive (Loss) Income	$ (4,972)	$ 5,562	$ 1,567	$ 5,219

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

6 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Principles of Consolidation—Our consolidated financial statements include our accounts and those of our wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. In the opinion of management, all adjustments, consisting of normal recurring accruals considered necessary for a fair presentation of interim financial information, have been included.

Use of Estimates—The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities as of the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. We base our estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances. Accordingly, actual results may differ significantly from these estimates under different assumptions or conditions.

Significant estimates include, but are not limited to, those for proven and probable mineral reserves, the related present value of estimated future net cash flows, useful lives of plant assets, asset retirement obligations, normal inventory production levels, inventory valuations, the valuation of equity awards, the valuation of receivables, valuation of our deferred tax assets and estimated blended income tax rates utilized in the current and deferred income tax calculations. There are numerous uncertainties inherent in estimating quantities of proven and probable reserves, projecting future rates of production, and the timing of development expenditures. Future mineral prices may vary significantly from the prices in effect at the time the estimates are made, as may estimates of future operating costs. The estimate of proven and probable mineral reserves, the related present value of estimated future cash flows, and useful lives of plant assets can affect various other items including depletion, the net carrying value of our mineral properties, the useful lives of related property, plant, and equipment, depreciation expense, and estimates associated with recoverability of long-lived assets and asset retirement obligations. Specific to income tax items, we experience fluctuations in the valuation of the deferred tax assets and liabilities due to changing state income tax rates and the blend of state tax rates.

Revenue Recognition—Revenue is recognized when evidence of an arrangement exists, risks and rewards of ownership have been transferred to customers, which is generally when title passes, the selling price is fixed and determinable, and collection is reasonably assured. Title passes at the designated shipping point for the majority of sales, but, in a few cases, title passes at the delivery destination. The shipping point may be the plant, a distribution warehouse, a customer warehouse, or a port. Title passes for some international shipments upon payment by the purchaser; however, revenue is not recognized for these transactions until shipment because the risks and rewards of ownership have not transferred pursuant to a contractual arrangement. Prices are generally set at the time of, or prior to, shipment. In cases where the final price is determined upon resale of the product by the customer, revenue is deferred until the final sales price is known.

Sales are reported on a gross basis. We quote prices to customers both on a delivered basis and on the basis of pick-up at our plants and warehouses. When a sale occurs on a delivered basis, we incur and, in turn, bill the customer and record as gross revenue the product sales value, freight, packaging, and certain other distribution costs. Many customers, however, arrange and pay for these costs directly and, in these situations, only the product sales are included in gross revenues.

By-Product Credits—When by-product inventories are sold, we record the sale of by-products as a credit to cost of goods sold.

Property, Plant, Equipment, Mineral Properties and Development Costs—Property, plant, and equipment are stated at historical cost. Expenditures for property, plant, and equipment relating to new assets or improvements are capitalized, provided the expenditure extends the useful life of an asset or extends the asset’s functionality. Property, plant, and equipment are depreciated under the straight-line method using estimated useful lives. No depreciation is taken on assets classified as construction in progress until the asset is placed into service. Gains and losses are recorded upon retirement, sale, or disposal of assets. Maintenance and repair costs are recognized as period costs when incurred. Capitalized interest, to the extent of debt outstanding, is calculated and capitalized on assets that are being constructed, drilled, or built or that are otherwise classified as construction in progress.

Mineral properties and development costs, which are referred to collectively as mineral properties, include acquisition costs, the cost of drilling production wells, and the cost of other development work, all of which are capitalized. Depletion of mineral properties is calculated using the units-of-production method over the estimated life of the relevant ore body. The lives of reserves used for accounting purposes are shorter than current reserve life determinations due to uncertainties inherent in long-term estimates. These reserve life estimates have been prepared by us and reviewed and independently determined by mine consultants. Tons of potash and langbeinite in the proven and probable reserves are expressed in terms of expected finished tons of product to be realized, net of estimated losses. Market price fluctuations of potash or Trio^®, as well as increased production costs or reduced recovery rates, could render proven and probable reserves containing relatively lower grades of mineralization uneconomic to exploit and might result in a reduction of reserves. In addition, the provisions of our mineral leases, including royalty provisions, are subject to periodic readjustment by the state and federal government, which could affect the economics of our reserve estimates. Significant changes in the estimated reserves could have a material impact on our results of operations and financial position.

Fair Value of Financial Instruments—Our financial instruments include cash and cash equivalents, short-term and long-term investments, restricted cash, accounts receivable, refundable income taxes, and accounts payable. These instruments are carried at cost, which approximates fair value due to the short-term maturities of the instruments. All available-for-sale investments are carried at fair value. Allowances for doubtful accounts are recorded against the accounts receivable balance to estimate net realizable value. The fair value of the long-term debt is estimated using discounted cash flow analysis based on current borrowing rates for debt with similar remaining maturities and ratings. Although there are no amounts currently outstanding under our unsecured credit facility, any borrowings that become outstanding would bear interest at a floating rate and therefore be recorded at their estimated fair value.

Earnings per Share—Basic net income or loss per common share of stock is calculated by dividing net income or loss available to common stockholders by the weighted average basic common shares outstanding for the respective period.

Diluted net income or loss per common share of stock is calculated by dividing net income or loss by the weighted average diluted common shares outstanding, which includes the effect of potentially dilutive securities. Potentially dilutive securities for the diluted earnings or loss per share calculation consist of awards of non-vested restricted shares of common stock, non-vested performance units, and non-qualified stock options. The dilutive effect of stock based compensation arrangements are computed using the treasury stock method. Following the lapse of the vesting period of restricted shares of common stock, the shares are considered issued and therefore are included in the number of issued and outstanding shares for purposes of these calculations.

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ASSET RETIREMENT OBLIGATION (Tables)

6 Months Ended

Jun. 30, 2015

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Changes to Asset Retirement Obligation

Following is a table of the changes to our asset retirement obligation for the following periods (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Asset retirement obligation, at beginning of period	$	22,461		$	21,376		$	22,037		$	21,047
Liabilities settled	(16		)	(45		)	(16		)	(121		)
Liabilities incurred	—			—			—			—
Changes in estimated obligations	—			—			—			—
Accretion of discount	424			406			848			811
Total asset retirement obligation, at end of period	$	22,869		$	21,737		$	22,869		$	21,737

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Label	Element	Value
Asset Retirement Obligation	us-gaap_AssetRetirementObligation	$ 21,047
Asset Retirement Obligation	us-gaap_AssetRetirementObligation	$ 21,737

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INVENTORY AND LONG-TERM PARTS INVENTORY (Summary of Inventory) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Inventory Disclosure [Abstract]
Finished goods product inventory, net	$ 42,571	$ 44,137
In-process mineral inventory	22,233	19,584
Total product inventory, net	64,804	63,721
Current parts inventory	22,043	20,373
Total current inventory, net	86,847	84,094
Long-term parts inventory	18,879	16,366
Total inventory, net	$ 105,726	$ 100,460

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FAIR VALUE

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

FAIR VALUE

FAIR VALUE MEASUREMENTS

We applied the provisions of the Financial Accounting Standards Board ("FASB") Accounting Standards Codification™ (“ASC”) Topic 820, Fair Value Measurements and Disclosures, for all financial assets and liabilities measured at fair value on a recurring basis. The topic establishes a framework for measuring fair value and requires disclosures about fair value measurements. ASC Topic 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The topic establishes market or observable inputs as the preferred sources of values, followed by assumptions based on hypothetical transactions in the absence of market inputs. The topic also establishes a hierarchy for grouping these assets and liabilities based on the significance level of the following inputs, as follows:

• Level 1—Quoted prices in active markets for identical assets and liabilities.

• Level 2—Quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar instruments in markets that are not active, and model‑derived valuations whose inputs are observable or whose significant value drivers are observable.

• Level 3—Significant inputs to the valuation model are unobservable.

The following is a listing of our assets and liabilities required to be measured at fair value on a recurring basis and where they are classified within the hierarchy as of June 30, 2015, and December 31, 2014 (in thousands):

			Fair Value at Reporting Date Using
	June 30, 2015		Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Investments
Corporate bonds	$	83,068	$	—	$	83,068	$	—

			Fair Value at Reporting Date Using
	December 31, 2014		Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Investments
Corporate bonds	$	21,288	$	—	$	21,288	$	—

Financial assets or liabilities are categorized within the hierarchy based upon the lowest level of input that is significant to the fair value measurement. Below is a general description of our valuation methodologies for financial assets and liabilities, which are measured at fair value and are included on the condensed consolidated balance sheets.

Our available-for-sale investments consist of corporate bonds that are valued using Level 2 inputs. Market pricing for these investments is obtained from an established financial markets data provider.

The methods described above may result in a fair value estimate that may not be indicative of net realizable value or may not be reflective of future fair values and cash flows. While we believe that the valuation methods used are appropriate and consistent with the requirements of ASC Topic 820 and the methods used by other marketplace participants, we recognize that third parties may use different methodologies or assumptions to determine the fair value of certain financial instruments that could result in a different estimate of fair value at the reporting date.

Financial Instruments—The carrying values and estimated fair values of our financial instruments as of June 30, 2015, and December 31, 2014, are as follows (in thousands):

	June 30, 2015				December 31, 2014
	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt	$	150,000	$	147,000	$	150,000	$	138,000

For cash and cash equivalents, certificate of deposit investments, accounts receivable, refundable income taxes, and accounts payable, the carrying amount approximates fair value because of the short-term maturity of these instruments. The estimated fair value of the long-term debt is estimated using a discounted cash flow analysis based on current borrowing rates for debt with similar remaining maturities and ratings (a Level 2 input) and is designed to approximate the amount at which the instruments could be exchanged in an arm's length transaction between knowledgeable willing parties.