10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended June 30, 2011

OR

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

For the transition period from                      to                     

Commission File Number 1-3876

HOLLYFRONTIER CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	75-1056913
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
2828 N. Harwood, Suite 1300 Dallas, Texas	75201
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code (214) 871-3555

Holly Corporation, 100 Crescent Court, Suite 1600, Dallas, Texas 75201-6915

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

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15 (d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    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	¨	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

105,030,510 shares of Common Stock, par value $.01 per share, were outstanding on July 29, 2011.

HOLLYFRONTIER CORPORATION

INDEX

			Page
PART I.		FINANCIAL INFORMATION
	Forward-Looking Statements			3
	Definitions			4
	Item 1.	Financial Statements
		Consolidated Balance Sheets June 30, 2011 (Unaudited) and December 31, 2010		6
		Consolidated Statements of Income (Unaudited) Three and Six Months Ended June 30, 2011 and 2010		7
		Consolidated Statements of Cash Flows (Unaudited) Six Months Ended June 30, 2011 and 2010		8
		Consolidated Statements of Comprehensive Income (Unaudited) Three and Six Months Ended June 30, 2011 and 2010		9
		Notes to Consolidated Financial Statements (Unaudited)		10
	Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		30
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk		49
	Reconciliations to Amounts Reported Under Generally Accepted Accounting Principles			49
	Item 4.	Controls and Procedures		56
PART II.		OTHER INFORMATION
	Item 1.	Legal Proceedings		57
	Item 6.	Exhibits		62
	Signatures			63
	Index to Exhibits			64

PART I. FINANCIAL INFORMATION

FORWARD-LOOKING STATEMENTS

Holly Corporation (“Holly”) changed its name to HollyFrontier Corporation (“HollyFrontier” or “HollyFrontier Corporation”) in connection with the consummation of its “merger of equals” with Frontier Oil Corporation (“Frontier”), which became effective on July 1, 2011. References herein to HollyFrontier Corporation with respect to time periods through and including June 30, 2011 include Holly and its consolidated subsidiaries and do not include Frontier and its consolidated subsidiaries since the merger had not been consummated as of June 30, 2011, while references herein to HollyFrontier with respect to time periods from and after July 1, 2011 include Frontier and its consolidated subsidiaries. Unless otherwise specified, the financial statements included herein are as of and for the period ended June 30, 2011 and, thus, do not include financial information for Frontier. In accordance with the Securities and Exchange Commission’s (“SEC”) “Plain English” guidelines, this Quarterly Report on Form 10-Q has been written in the first person. In this document, the words “we,” “our,” “ours” and “us” refer only to HollyFrontier and its consolidated subsidiaries or to HollyFrontier or an individual subsidiary and not to any other person. The words “we,” “our,” “ours” and “us” generally include Holly Energy Partners, L.P. (“HEP”) and its subsidiaries as consolidated subsidiaries of HollyFrontier with certain exceptions where there are transactions or obligations between HEP and HollyFrontier or its other subsidiaries. This document contains certain disclosures of agreements that are specific to HEP and its consolidated subsidiaries and do not necessarily represent obligations of HollyFrontier. When used in descriptions of agreements and transactions, “HEP” refers to HEP and its consolidated subsidiaries.

This Quarterly Report on Form 10-Q contains certain “forward-looking statements” within the meaning of the federal securities laws. All statements, other than statements of historical fact included in this Form 10-Q, including, but not limited to, those under “Results of Operations,” “Liquidity and Capital Resources” and “Risk Management” in Part I, Item 2 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and those in Part II, Item 1 “Legal Proceedings” are forward-looking statements. These statements are based on management’s beliefs and assumptions using currently available information and expectations as of the date hereof, are not guarantees of future performance and involve certain risks and uncertainties. Although we believe that the expectations reflected in these forward-looking statements are reasonable, we cannot assure you that our expectations will prove to be correct. Therefore, actual outcomes and results could materially differ from what is expressed, implied or forecast in these statements. Any differences could be caused by a number of factors including, but not limited to:

• risks and uncertainties with respect to the actions of actual or potential competitive suppliers of refined petroleum products in our markets;

• the demand for and supply of crude oil and refined products;

• the spread between market prices for refined products and market prices for crude oil;

• the possibility of constraints on the transportation of refined products;

• the possibility of inefficiencies, curtailments or shutdowns in refinery operations or pipelines;

• effects of governmental and environmental regulations and policies;

• the availability and cost of our financing;

• the effectiveness of our capital investments and marketing strategies;

• our efficiency in carrying out construction projects;

• our ability to acquire refined product operations or pipeline and terminal operations on acceptable terms and to integrate any existing or future acquired operations;

• the possibility of terrorist attacks and the consequences of any such attacks;

• general economic conditions;

• our ability to successfully integrate the operations of Holly’s and Frontier’s businesses and to realize fully or at all the anticipated benefits of our “merger of equals” with Frontier; and

• other financial, operational and legal risks and uncertainties detailed from time to time in our SEC filings.

Cautionary statements identifying important factors that could cause actual results to differ materially from our expectations are set forth in this Form 10-Q, including without limitation, the forward-looking statements that are referred to above. This summary discussion should be read in conjunction with the discussion of risk factors and other cautionary statements under the heading “Risk Factors” included in Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2010 and in conjunction with the discussion in this Form 10-Q in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” under the heading “Liquidity and Capital Resources.” All forward-looking statements included in this Form 10-Q and all subsequent written or oral forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by these cautionary statements. The forward-looking statements speak only as of the date made and, other than as required by law, we undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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DEFINITIONS

Within this report, the following terms have these specific meanings:

“Alkylation” means the reaction of propylene or butylene (olefins) with isobutane to form an iso-paraffinic gasoline (inverse of cracking).

“Aromatic oil” is long chain oil that is highly aromatic in nature that is used to manufacture tires and in the production of asphalt.

“BPD” means the number of barrels per calendar day of crude oil or petroleum products.

“BPSD” means the number of barrels per stream day (barrels of capacity in a 24 hour period) of crude oil or petroleum products.

“Black wax crude oil” is a low sulfur, low gravity crude oil produced in the Uintah Basin in Eastern Utah that has certain characteristics that require specific facilities to transport, store and refine into transportation fuels.

“Catalytic reforming” means a refinery process which uses a precious metal (such as platinum) based catalyst to convert low octane naphtha to high octane gasoline blendstock and hydrogen. The hydrogen produced from the reforming process is used to desulfurize other refinery oils and is a primary source of hydrogen for the refinery.

“Cracking” means the process of breaking down larger, heavier and more complex hydrocarbon molecules into simpler and lighter molecules.

“Crude distillation” means the process of distilling vapor from liquid crudes, usually by heating, and condensing the vapor slightly above atmospheric pressure turning it back to liquid in order to purify, fractionate or form the desired products.

“Delayed coker unit” is a refinery unit that removes carbon from the bottom cuts of crude oil to produce unfinished light transportation fuels and petroleum coke.

“Ethanol” means a high octane gasoline blend stock that is used to make various grades of gasoline.

“FCC,” or fluid catalytic cracking, means a refinery process that breaks down large complex hydrocarbon molecules into smaller more useful ones using a circulating bed of catalyst at relatively high temperatures.

“Hydrocracker” means a refinery unit that breaks down large complex hydrocarbon molecules into smaller more useful ones using a fixed bed of catalyst at high pressure and temperature with hydrogen.

“Hydrodesulfurization” means to remove sulfur and nitrogen compounds from oil or gas in the presence of hydrogen and a catalyst at relatively high temperatures.

“Hydrogen plant” means a refinery unit that converts natural gas and steam to high purity hydrogen, which is then used in the hydrodesulfurization, hydrocracking and isomerization processes.

“HF alkylation,” or hydrofluoric alkylation, means a refinery process which combines isobutane and C3/C4 olefins using HF acid as a catalyst to make high octane gasoline blend stock.

“Isomerization” means a refinery process for rearranging the structure of C5/C6 molecules without changing their size or chemical composition and is used to improve the octane of C5/C6 gasoline blendstocks.

“LPG” means liquid petroleum gases.

“LSG,” or low sulfur gasoline, means gasoline that contains less than 30 PPM of total sulfur.

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“Lube extraction unit” is a unit used in the lube process that separates aromatic oils from paraffinic oils using furfural as a solvent.

“Lubricant” or “lube” means a solvent neutral paraffinic product used in passenger and commercial vehicle engine oils, specialty products for metal working or heat transfer and other industrial applications.

“MEK” means a lube process that separates waxy oil from non-waxy oils using methyl ethyl ketone as a solvent.

“MMBTU” means one million British thermal units.

“MMSCFD” means one million standard cubic feet per day.

“MTBE” means methyl tertiary butyl ether, a high octane gasoline blend stock that is used to make various grades of gasoline.

“Natural gasoline” means a low octane gasoline blend stock that is purchased and used to blend with other high octane stocks produced to make various grades of gasoline.

“PPM” means parts-per-million.

“Parafinnic oil” is a high paraffinic, high gravity oil produced by extracting aromatic oils and waxes from gas oil and is used in producing high-grade lubricating oils.

“Refinery gross margin” means the difference between average net sales price and average product costs per produced barrel of refined products sold. This does not include the associated depreciation and amortization costs.

“Reforming” means the process of converting gasoline type molecules into aromatic, higher octane gasoline blend stocks while producing hydrogen in the process.

“Roofing flux” is produced from the bottom cut of crude oil and is the base oil used to make roofing shingles for the housing industry.

“RFS2” or advanced renewable fuel standard is a regulatory mandate required by the Energy Independence and Security Act of 2007 that requires 36 billion gallons of renewable fuel to be blended into transportation fuels by 2022. New mandated blending requirements for this standard became effective July 1, 2010.

“ROSE,” or “Solvent deasphalter / residuum oil supercritical extraction,” means a refinery unit that uses a light hydrocarbon like propane or butane to extract non-asphaltene heavy oils from asphalt or atmospheric reduced crude. These deasphalted oils are then further converted to gasoline and diesel in the FCC process. The remaining asphaltenes are either sold, blended to fuel oil or blended with other asphalt as a hardener.

“Scanfiner” is a refinery unit that removes sulfur from gasoline to produce low sulfur gasoline blendstock.

“Sour crude oil” means crude oil containing quantities of sulfur greater than 0.4 percent by weight, while “sweet crude oil” means crude oil containing quantities of sulfur equal to or less than 0.4 percent by weight.

“ULSD,” or ultra low sulfur diesel, means diesel fuel that contains less than 15 PPM of total sulfur.

“Vacuum distillation” means the process of distilling vapor from liquid crudes, usually by heating, and condensing the vapor below atmospheric pressure turning it back to a liquid in order to purify, fractionate or form the desired products.

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Item 1. Financial Statements

HOLLYFRONTIER CORPORATION

CONSOLIDATED BALANCE SHEETS

(In thousands, except share data)

		June 30, 2011			December 31, 2010
		(Unaudited)
ASSETS
Current assets:
Cash and cash equivalents (HEP: $1,402 and $403, respectively)		$	426,689		$	229,101
Marketable securities			65,854			1,343
Accounts receivable:	Product and transportation (HEP: $18,756 and $22,508, respectively)		363,585			299,081
	Crude oil resales		639,942			694,035
			1,003,527			993,116
Inventories:	Crude oil and refined products		444,733			353,636
	Materials and supplies (HEP: $185 and $202, respectively)		50,567			46,731
			495,300			400,367
Income taxes receivable			—			51,034
Prepayments and other (HEP: $853 and $573, respectively)			33,604			28,474
Total current assets			2,024,974			1,703,435
Properties, plants and equipment, at cost (HEP: $575,259 and $552,398, respectively)			2,363,081			2,215,828
Less accumulated depreciation (HEP: $(73,790) and $(60,300), respectively)			(503,318	)		(459,137	)
			1,859,763			1,756,691
Marketable securities (long-term)			24,804			—
Other assets:	Turnaround costs		75,377			69,533
	Goodwill (HEP: $81,602 and $81,602)		81,602			81,602
	Intangibles and other (HEP: $74,241 and $72,434, respectively)		98,783			90,214
			255,762			241,349
Total assets		$	4,165,303		$	3,701,475
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable (HEP: $7,115 and $10,238, respectively)		$	1,450,640		$	1,317,446
Income taxes payable			23,002			—
Accrued liabilities (HEP: $16,108 and $21,206, respectively)			83,951			72,409
Total current liabilities			1,557,593			1,389,855
Long-term debt (HEP: $510,566 and $482,271, respectively)			838,866			810,561
Deferred income taxes			128,465			131,935
Other long-term liabilities (HEP: $9,164 and $10,809, respectively)			81,191			80,985
Equity:
HollyFrontier stockholders’ equity:
Preferred stock, $1.00 par value – 1,000,000 shares authorized; none issued			—			—
Common stock $.01 par value – 160,000,000 shares authorized; 76,346,432 shares issued as of June 30, 2011 and December 31, 2010			763			763
Additional capital			193,411			194,378
Retained earnings			1,467,233			1,206,328
Accumulated other comprehensive loss			(26,091	)		(26,246	)
Common stock held in treasury, at cost – 22,936,525 and 23,081,744 shares as of June 30, 2011 and December 31, 2010, respectively			(674,853	)		(677,804	)
Total HollyFrontier stockholders’ equity			960,463			697,419
Noncontrolling interest			598,725			590,720
Total equity			1,559,188			1,288,139
Total liabilities and equity		$	4,165,303		$	3,701,475

Parenthetical amounts represent asset and liability balances attributable to Holly Energy Partners, L.P. (“HEP”) as of June 30, 2011 and December 31, 2010. HEP is a consolidated variable interest entity.

Holly Corporation changed its name to HollyFrontier Corporation in connection with the consummation of its “merger of equals” with Frontier Oil Corporation which became effective on July 1, 2011. The financial statements included herein are as of June 30, 2011 and do not include the financial position and operating results of Frontier Oil Corporation.

See accompanying notes.

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HOLLYFRONTIER CORPORATION

CONSOLIDATED STATEMENTS OF INCOME

(Unaudited)

(In thousands, except per share data)

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Sales and other revenues	$	2,967,133		$	2,145,860		$	5,293,718		$	4,020,150
Operating costs and expenses:
Cost of products sold (exclusive of depreciation and amortization)		2,447,095			1,848,212			4,431,712			3,572,076
Operating expenses (exclusive of depreciation and amortization)		139,345			120,831			274,088			248,375
General and administrative expenses (exclusive of depreciation and amortization)		18,682			15,829			35,500			33,698
Depreciation and amortization		31,832			28,824			63,140			56,581
Total operating costs and expenses		2,636,954			2,013,696			4,804,440			3,910,730
Income from operations		330,179			132,164			489,278			109,420
Other income (expense):
Equity in earnings of SLC Pipeline		467			544			1,207			1,025
Interest income		657			635			742			694
Interest expense		(15,193	)		(21,023	)		(31,397	)		(38,745	)
Merger transaction costs		(2,316	)		—			(6,014	)		—
		(16,385	)		(19,844	)		(35,462	)		(37,026	)
Income before income taxes		313,794			112,320			453,816			72,394
Income tax provision:
Current		115,051			34,561			164,540			39,922
Deferred		(3,090	)		5,093			(3,568	)		(16,940	)
		111,961			39,654			160,972			22,982
Net income		201,833			72,666			292,844			49,412
Less net income attributable to noncontrolling interest		9,598			6,504			15,915			11,344
Net income attributable to HollyFrontier stockholders	$	192,235		$	66,162		$	276,929		$	38,068
Earnings per share attributable to HollyFrontier stockholders:
Basic	$	3.60		$	1.24		$	5.19		$	0.72
Diluted	$	3.58		$	1.24		$	5.16		$	0.71
Cash dividends declared per common share	$	0.15		$	0.15		$	0.30		$	0.30
Average number of common shares outstanding:
Basic		53,365			53,206			53,336			53,152
Diluted		53,670			53,408			53,643			53,375

See accompanying notes.

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HOLLYFRONTIER CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(In thousands)

	Six Months Ended June 30,
	2011			2010
Cash flows from operating activities:
Net income	$	292,844		$	49,412
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		63,140			56,581
SLC Pipeline earnings, net of distributions		(82	)		100
Deferred income taxes		(3,568	)		(16,940	)
Equity based compensation expense		5,562			5,440
Change in fair value – derivative instruments		7,155			1,464
(Increase) decrease in current assets:
Accounts receivable		(10,411	)		(314	)
Inventories		(94,933	)		(117,633	)
Income taxes receivable		51,034			38,072
Prepayments and other		(13,088	)		(16,828	)
Current assets of discontinued operations		—			2,195
Increase (decrease) in current liabilities:
Accounts payable		133,154			34,863
Income taxes payable		23,002			—
Accrued liabilities		16,712			5,441
Turnaround expenditures		(19,824	)		(8,723	)
Other, net		7,299			5,216
Net cash provided by operating activities		457,996			38,346
Cash flows from investing activities:
Additions to properties, plants and equipment		(133,405	)		(72,043	)
Additions to properties, plants and equipment – HEP		(22,900	)		(4,487	)
Investment in Sabine Biofuels		(9,125	)		—
Purchases of marketable securities		(157,782	)		—
Sales and maturities of marketable securities		68,150			—
Net cash used for investing activities		(255,062	)		(76,530	)
Cash flows from financing activities:
Borrowings under credit agreement		—			310,000
Repayments under credit agreement		—			(310,000	)
Borrowings under credit agreement – HEP		64,000			39,000
Repayments under credit agreement – HEP		(37,000	)		(90,000	)
Proceeds from issuance of senior notes – HEP		—			147,540
Repayments under financing obligation		(563	)		(415	)
Purchase of treasury stock		(2,996	)		(1,308	)
Contribution from joint venture partner		16,500			5,000
Dividends		(15,984	)		(15,901	)
Distributions to noncontrolling interest		(25,133	)		(23,933	)
Excess tax benefit (expense) from equity based compensation		498			(1,313	)
Purchase of units for restricted grants – HEP		(1,379	)		(2,276	)
Deferred financing costs		(3,289	)		(2,655	)
Issuance of common stock upon exercise of options		—			61
Net cash provided by (used for) financing activities		(5,346	)		53,800
Cash and cash equivalents:
Increase for the period		197,588			15,616
Beginning of period		229,101			124,596
End of period	$	426,689		$	140,212
Supplemental disclosure of cash flow information:
Cash paid during the period for:
Interest	$	34,264		$	31,449
Income taxes	$	89,935		$	1,043

See accompanying notes.

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HOLLYFRONTIER CORPORATION

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

(In thousands)

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Net income	$	201,833		$	72,666		$	292,844		$	49,412
Other comprehensive income (loss):
Securities available-for-sale:
Unrealized gain (loss) on available-for-sale securities		(525	)		(251	)		(383	)		(7	)
Reclassification adjustment to net income on sale or maturity of marketable securities		66			—			66			—
Total unrealized gain (loss) on available-for-sale securities		(459	)		(251	)		(317	)		(7	)
Hedging instruments:
Change in fair value of cash flow hedging instruments		271			(1,696	)		1,592			(3,057	)
Reclassification adjustment to net income on settlement of cash flow hedging instruments		—			1,076			—			1,076
Total unrealized gain (loss) on hedging instruments		271			(620	)		1,592			(1,981	)
Other comprehensive income (loss) before income taxes		(188	)		(871	)		1,275			(1,988	)
Income tax expense (benefit)		(144	)		(180	)		98			138
Other comprehensive income (loss)		(44	)		(691	)		1,177			(2,126	)
Total comprehensive income		201,789			71,975			294,021			47,286
Less noncontrolling interest in comprehensive income		9,776			6,097			16,935			9,001
Comprehensive income attributable to HollyFrontier stockholders	$	192,013		$	65,878		$	277,086		$	38,285

See accompanying notes.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 1: Description of Business and Presentation of Financial Statements

Holly Corporation (“Holly”) changed its name to HollyFrontier Corporation (“HollyFrontier” or “HollyFrontier Corporation”) in connection with the consummation of its “merger of equals” with Frontier Oil Corporation (“Frontier”), which became effective on July 1, 2011 (see Note 2). All previous references to “Holly” within these financial statements have been replaced with “HollyFrontier.” References herein to HollyFrontier Corporation with respect to time periods through and including June 30, 2011 include Holly and its consolidated subsidiaries and do not include Frontier and its consolidated subsidiaries since the merger had not been consummated as of June 30, 2011, while references herein to HollyFrontier with respect to time periods from and after July 1, 2011 include Frontier and its consolidated subsidiaries. Unless otherwise specified, the financial statements included herein are as of and for the period ended June 30, 2011 and, thus, do not include financial information for Frontier. In accordance with the Securities and Exchange Commission’s (“SEC”) “Plain English” guidelines, this Quarterly Report on Form 10-Q has been written in the first person. In this document, the words “we,” “our,” “ours” and “us” refer only to HollyFrontier and its consolidated subsidiaries or to HollyFrontier or an individual subsidiary and not to any other person. The words “we,” “our,” “ours” and “us” generally include HEP and its subsidiaries as consolidated subsidiaries of HollyFrontier with certain exceptions where there are transactions or obligations between HEP and HollyFrontier or its other subsidiaries. These financial statements contain certain disclosures of agreements that are specific to HEP and its consolidated subsidiaries and do not necessarily represent obligations of HollyFrontier. When used in descriptions of agreements and transactions, “HEP” refers to HEP and its consolidated subsidiaries.

As of June 30, 2011, we:

• owned and operated three refineries consisting of a petroleum refinery in Artesia, New Mexico that is operated in conjunction with crude oil distillation and vacuum distillation and other facilities situated 65 miles away in Lovington, New Mexico (collectively, the “Navajo Refinery”), a refinery in Woods Cross, Utah (the “Woods Cross Refinery”) and our two refinery facilities located in Tulsa, Oklahoma (collectively, the “Tulsa Refinery”);

• owned and operated NK Asphalt Partners (“NK Asphalt”) which operates various asphalt terminals in Arizona, New Mexico and Texas;

• owned a 75% interest in a 12-inch refined products pipeline project, under construction, from Salt Lake City, Utah to Las Vegas, Nevada, together with terminal facilities in the Cedar City, Utah and North Las Vegas areas (the “UNEV Pipeline”);

• owned a 50% interest in a development stage biodiesel production facility to be located in Port Arthur, Texas, and Sabine Biofuels II, LLC, (“Sabine Biofuels”);

• owned a 34% interest in HEP, a consolidated variable interest entity (“VIE”), which includes our 2% general partner interest. HEP has logistic assets including petroleum product and crude oil pipelines located in Texas, New Mexico, Oklahoma and Utah; ten refined product terminals; a jet fuel terminal; loading rack facilities at each of our three refineries, a refined products tank farm facility and on-site crude oil tankage at our Navajo, Woods Cross and Tulsa Refineries. Additionally, HEP owns a 25% interest in SLC Pipeline LLC (“SLC Pipeline”), a new 95-mile intrastate pipeline system that serves refineries in the Salt Lake City area.

We have prepared these consolidated financial statements without audit. In management’s opinion, these consolidated financial statements include all normal recurring adjustments necessary for a fair presentation of our consolidated financial position as of June 30, 2011, the consolidated results of operations and comprehensive income for the three and the six months ended June 30, 2011 and 2010 and consolidated cash flows for the six months ended June 30, 2011 and 2010 in accordance with the rules and regulations of the SEC. Although certain notes and other information required by generally accepted accounting principles in the United States (“GAAP”) have been condensed or omitted, we believe that the disclosures in these consolidated financial statements are adequate to make the information presented not misleading. These consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2010 filed with the SEC.

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Beginning July 1, 2011, our business operations will reflect the merged Frontier businesses (see Note 2). Our results of operations for the first six months of 2011 are not necessarily indicative of the results to be expected for the full year.

Accounts Receivable

Our accounts receivable consist of amounts due from customers that are primarily companies in the petroleum industry. Credit is extended based on our evaluation of the customer’s financial condition and in certain circumstances, collateral, such as a letter of credit or guarantee, is required. Our credit losses, which historically have been minimal are charged to income when accounts are deemed uncollectible. At June 30, 2011, our allowance for doubtful accounts reserve was $2.6 million.

Inventories

We use the last-in, first-out (“LIFO”) method of valuing inventory. Under the LIFO method, an actual valuation of inventory can only be made at the end of each year based on the inventory levels at that time. Accordingly, interim LIFO calculations are based on management’s estimates of expected year-end inventory levels and are subject to the final year-end LIFO inventory valuation.

NOTE 2: Holly-Frontier Merger

On February 21, 2011, we entered into a merger agreement providing for a “merger of equals” business combination between us and Frontier. On July 1, 2011, North Acquisition, Inc., a direct wholly-owned subsidiary of Holly, merged with and into Frontier, with Frontier surviving as a wholly-owned subsidiary of Holly. Concurrent with the merger, we changed our name to HollyFrontier Corporation and changed the trading symbol for our common stock traded on the New York Stock Exchange to “HFC.” Subsequent to the merger and following approval by the post-closing board of directors of HollyFrontier, Frontier merged with and into HollyFrontier, with HollyFrontier continuing as the surviving corporation.

In accordance with the merger agreement, we issued approximately 51.4 million shares of HollyFrontier common stock in exchange for outstanding shares of Frontier common stock to former Frontier stockholders. Each outstanding share of Frontier common stock was converted into 0.4811 shares of HollyFrontier common stock with any fractional shares paid in cash. Based on the July 1, 2011 market closing price of $71.86, the aggregate equity consideration paid in connection with the merger was approximately $3.7 billion.

The merger will be accounted for using the acquisition method of accounting with Holly being considered the acquirer of Frontier for accounting purposes. Therefore, the purchase price shall be allocated to the fair value of the acquired Frontier tangible and intangible assets and liabilities at the acquisition date, with the excess purchase price being recorded as goodwill. Due to the short timeframe between the consummation of the merger and filing this Quarterly Report on Form 10-Q, we have not completed the detailed valuation studies necessary to arrive at the required fair value estimates of the acquired Frontier assets, the liabilities assumed and the related purchase price allocations.

Beginning July 1, 2011, HollyFrontier’s consolidated financial and operating results will reflect the operations of the merged Frontier businesses. This includes a refinery located in El Dorado, Kansas (the “El Dorado Refinery”) and a refinery located in Cheyenne, Wyoming (the “Cheyenne Refinery”) that serve markets in the Rocky Mountain and Plains States regions of the United States. Assuming the merger had been consummated on January 1, 2010, the beginning of the earliest period presented, pro forma revenues, net income and basic earnings per share are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(In thousands, except per share amounts)
Sales and other revenues	$	5,037,660	$	3,694,740	$	9,272,899	$	6,841,174
Net income attributable to HollyFrontier stockholders	$	368,375	$	140,351	$	601,791	$	80,494
Basic earnings per share	$	3.52	$	1.34	$	5.74	$	0.77
Diluted earnings per share	$	3.50	$	1.34	$	5.72	$	0.77

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The pro forma financial information above reflects adjustments that primarily relate to depreciation and amortization expense and are based on management’s preliminary fair value estimates including useful life assumptions on the Frontier property, plant and equipment and intangible assets. These estimates are preliminary in nature and are expected to change following the completion of our valuation of the Frontier assets and liabilities. Such changes could be material.

As of June 30, 2011, we have recognized $6 million in merger transaction costs that are presented separately in our income statements and primarily relate to legal, advisory and other professional fees incurred since the announcement of our merger agreement in 2011. This does not include post-merger transaction costs including fees contingent upon the merger closing as well as costs to integrate the operations of the combined company.

NOTE 3: Holly Energy Partners

HEP, a consolidated VIE, is a publicly held master limited partnership that was formed to acquire, own and operate the petroleum product and crude oil pipeline and terminal, tankage and loading rack facilities that support our refining and marketing operations in west Texas, New Mexico, Utah, Oklahoma, Idaho and Arizona. HEP also owns and operates refined product pipelines and terminals, located primarily in Texas, that service Alon USA, Inc.’s (“Alon”) refinery in Big Spring, Texas.

As of June 30, 2011, we owned a 34% interest in HEP, including the 2% general partner interest. We are HEP’s primary beneficiary and therefore we consolidate HEP. See Note 17 for supplemental guarantor/non-guarantor financial information, including HEP balances included in these consolidated financial statements. All intercompany transactions with HEP are eliminated in our consolidated balances.

HEP has two primary customers (including us) and generates revenues by charging tariffs for transporting petroleum products and crude oil though its pipelines, by charging fees for terminalling refined products and other hydrocarbons, and storing and providing other services at its storage tanks and terminals. Under our long-term transportation agreements with HEP (discussed further below), we accounted for 74% of HEP’s total revenues for the six months ended June 30, 2011. We do not provide financial or equity support through any liquidity arrangements and /or guarantees to HEP.

HEP has outstanding debt under a senior secured revolving credit agreement and its senior notes. With the exception of the assets of HEP Logistics Holdings, L.P., one of our wholly-owned subsidiaries and HEP’s general partner, HEP’s creditors have no recourse to our assets. Any recourse to HEP’s general partner would be limited to the extent of HEP Logistics Holdings, L.P.’s assets, which other than its investment in HEP, are not significant. Furthermore, our creditors have no recourse to the assets of HEP and its consolidated subsidiaries. See Note 10 for a description of HEP’s debt obligations.

We have pledged 6,000,000 of our HEP common units to collateralize certain crude oil purchases in 2011.

HEP has risk associated with its operations. If a major shipper of HEP were to terminate its contracts or fail to meet desired shipping levels for an extended period of time, revenue would be reduced and HEP could suffer substantial losses to the extent that a new customer is not found. In the event that HEP incurs a loss, our operating results will reflect HEP’s loss, net of intercompany eliminations, to the extent of our ownership interest in HEP at that point in time.

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2010 Tulsa East / Lovington Storage Asset Transaction

On March 31, 2010, HEP acquired from us certain storage assets for $93 million, consisting of hydrocarbon storage tanks having approximately 2 million barrels of storage capacity, a rail loading rack and a truck unloading rack located at our Tulsa Refinery east facility and an asphalt loading rack facility located at our Navajo Refinery facility located in Lovington, New Mexico.

Transportation Agreements

HEP serves our refineries in New Mexico, Utah and Oklahoma under the following long-term pipeline and terminal, tankage and throughput agreements:

• HEP PTA (pipelines and terminals throughput agreement expiring in 2019 that relates to the pipelines and terminal assets that we contributed to HEP upon its initial public offering in 2004);

• HEP IPA (intermediate pipelines throughput agreement expiring in 2024 that relates to the intermediate pipelines sold to HEP in 2005 and 2009);

• HEP CPTA (crude pipelines and tankage throughput agreement expiring in 2023 that relates to the crude pipelines and tankage assets sold to HEP in 2008);

• HEP PTTA (pipeline, tankage and loading rack throughput agreement expiring in 2024 that relates to the Tulsa east storage tank and loading rack facilities acquired in 2009 and 2010);

• HEP RPA (pipeline throughput agreement expiring in 2024 that relates to the Roadrunner Pipeline sold to HEP in 2009);

• HEP ETA (equipment and throughput agreement expiring in 2024 that relates to the Tulsa west loading rack facilities sold to HEP in 2009);

• HEP NPA (natural gas pipeline throughput agreement expiring in 2024); and

• HEP ATA (loading rack throughput agreement expiring in 2025 that relates to the Lovington asphalt loading rack facility sold to HEP in March 2010).

Under these agreements, we pay HEP fees to transport, store and throughput volumes of refined product and crude oil on HEP’s pipeline and terminal, tankage and loading rack facilities that result in minimum annual payments to HEP. These minimum annual payments are subject to annual tariff rate adjustments on July 1, based on the Producer Price Index (“PPI”) or Federal Energy Regulatory Commission (“FERC”) index, but with the exception of the HEP IPA, generally will not decrease as a result of a decrease in the PPI or FERC index. As of July 1, 2011, these agreements result in minimum annualized payments to HEP of $140 million.

NOTE 4: Financial Instruments

Our financial instruments consist of cash and cash equivalents, investments in marketable securities, accounts receivable, accounts payable, debt and derivative instruments. The carrying amounts of cash and cash equivalents, accounts receivable and accounts payable approximate fair value due to the short-term maturity of these instruments.

As of June 30, 2011, debt consisted of borrowings outstanding under HEP’s $275 million revolving credit agreement (the “HEP Credit Agreement”), our 9.875% senior notes due 2017 (the “HollyFrontier 9.875% Senior Notes”), HEP’s 6.25% senior notes due 2015 (the “HEP 6.25% Senior Notes”) and HEP’s 8.25% senior notes due 2018 (the “HEP 8.25% Senior Notes”). The $186 million carrying amount of borrowings outstanding under the HEP Credit Agreement approximates fair value as interest rates are reset frequently using current interest rates. At June 30, 2011, the estimated fair values of the HollyFrontier 9.875% Senior Notes, HEP 6.25% Senior Notes and HEP 8.25% Senior Notes were $333.8 million, $184.1 million and $159.4 million, respectively. These fair value estimates are based on market quotes provided from a third-party bank. See Note 10 for additional information on these debt instruments.

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Fair value measurements are derived using inputs (assumptions that market participants would use in pricing an asset or liability, including assumptions about risk). GAAP categorizes inputs used in fair value measurements into three broad levels as follows:

• (Level 1) Quoted prices in active markets for identical assets or liabilities.

• (Level 2) Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets, similar assets and liabilities in markets that are not active or can be corroborated by observable market data.

• (Level 3) Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. This includes valuation techniques that involve significant unobservable inputs.

Our investments in marketable securities are measured at fair value using quoted market prices, a Level 1 input. See Note 7 for additional information on our investments in marketable securities, including fair value measurements.

We have commodity price swaps and HEP has an interest rate swap that is measured at fair value on a recurring basis using Level 2 inputs. With respect to these instruments, fair value is based on the net present value of expected future cash flows related to both variable and fixed rate legs of the respective swap agreements. The measurements are computed using market-based observable inputs, quoted forward commodity prices with respect to our commodity price swaps and the forward London Interbank Offered Rate (“LIBOR”) yield curve with respect to HEP’s interest rate swap. See Note 11 for additional information on these swap contracts, including fair value measurements.

NOTE 5: Earnings Per Share

Basic earnings per share is calculated as net income attributable to HollyFrontier stockholders divided by the average number of shares of common stock outstanding. Diluted earnings per share assumes, when dilutive, the issuance of the net incremental shares from stock options, variable restricted shares and variable performance shares. The following is a reconciliation of the denominators of the basic and diluted per share computations for net income attributable to HollyFrontier stockholders:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(In thousands, except per share data)
Earnings attributable to HollyFrontier stockholders	$	192,235	$	66,162	$	276,929	$	38,068
Average number of shares of common stock outstanding		53,365		53,206		53,336		53,152
Effect of dilutive stock options, variable restricted shares and performance share units		305		202		307		223
Average number of shares of common stock outstanding assuming dilution		53,670		53,408		53,643		53,375
Basic earnings per share	$	3.60	$	1.24	$	5.19	$	0.72
Diluted earnings per share	$	3.58	$	1.24	$	5.16	$	0.71

NOTE 6: Stock-Based Compensation

On June 30, 2011, we had two principal share-based compensation plans that are described below (collectively, the “Long-Term Incentive Compensation Plan”). The compensation cost that has been charged against income for these plans was $3.4 million and $2.2 million for the three months ended June 30, 2011 and 2010, respectively, and $4.5 million and $4.1 million for the six months ended June 30, 2011 and 2010, respectively.

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The total income tax benefit recognized in the income statement for share-based compensation arrangements was $1.3 million and $0.8 million for the three months ended June 30, 2011 and 2010, respectively, and $1.8 million and $1.6 million for the six months ended June 30, 2011 and 2010 respectively. Our current accounting policy for the recognition of compensation expense for awards with pro-rata vesting (substantially all of our awards) is to expense the costs pro-rata over the vesting periods.

Additionally, HEP maintains share-based compensation plans for HEP directors and select Holly Logistic Services, L.L.C. executives and employees. Compensation cost attributable to HEP’s share-based compensation plans was $0.4 million and $0.3 million for the three months ended June 30, 2011 and 2010, respectively, and $1.1 million and $1.3 million for the six months ended June 30, 2011 and 2010, respectively.

Restricted Stock

Under our Long-Term Incentive Compensation Plan, we grant certain officers, other key employees and outside directors restricted stock awards with substantially all awards vesting generally over a period of one to five years. Although ownership of the shares does not transfer to the recipients until after the shares vest, recipients generally have dividend rights on these shares from the date of grant. The vesting for certain key executives is contingent upon certain performance targets being realized. The fair value of each share of restricted stock awarded, including the shares issued to the key executives, was measured based on the market price as of the date of grant and is being amortized over the respective vesting period.

A summary of restricted stock activity and changes during the six months ended June 30, 2011 is presented below:

Restricted Stock	Grants			Weighted- Average Grant Date Fair Value		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2011 (non-vested)		346,996		$	29.31
Vesting and transfer of ownership to recipients		(158,528	)		31.18
Granted		102,710			58.23
Forfeited		(12,965	)		52.02
Outstanding at June 30, 2011 (non-vested)		278,213		$	37.86	$	16,904

The total fair value of restricted stock vested and transferred to recipients during the six months ended June 30, 2011 and 2010 was $4.9 million and $4.2 million, respectively. As of June 30, 2011, there was $5.5 million of total unrecognized compensation cost related to non-vested restricted stock grants. That cost is expected to be recognized over a weighted-average period of 1 years.

Performance Share Units

Under our Long-Term Incentive Compensation Plan, we grant certain officers and other key employees performance share units, which are payable in stock upon meeting certain criteria over the service period, and generally vest over a period of one to three years. Under the terms of our performance share unit grants, awards are subject to financial performance criteria.

The fair value of each performance share unit award is computed using the grant date closing stock price of each respective award grant and will apply to the number of units ultimately awarded. The number of shares ultimately issued for each award will be based on our financial performance as compared to peer group companies over the performance period and can range from zero to 200%. As of June 30, 2011, estimated share payouts for outstanding non-vested performance share unit awards ranged from 150% to 175%.

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A summary of performance share unit activity and changes during the six months ended June 30, 2011 is presented below:

Performance Share Units	Grants
Outstanding at January 1, 2011 (non-vested)		278,093
Vesting and transfer of ownership to recipients		(53,962	)
Granted		61,491
Outstanding at June 30, 2011 (non-vested)		285,622

For the six months ended June 30, 2011, we issued 75,007 shares of our common stock having a fair value of $2.6 million related to vested performance share units, representing a 139% payout. Based on the weighted average grant date fair value of $32.86, there was $8.2 million of total unrecognized compensation cost related to non-vested performance share units. That cost is expected to be recognized over a weighted-average period of 1.3 years.

NOTE 7: Cash and Cash Equivalents and Investments in Marketable Securities

Our investment portfolio at June 30, 2011, consisted of cash, cash equivalents and investments in debt securities primarily issued by government entities. We also hold 1,000,000 shares of Connacher Oil and Gas Limited common stock that were received as partial consideration upon our sale of our Montana refinery in 2006.

We invest in highly-rated marketable debt securities, primarily issued by government entities that have maturities at the date of purchase of greater than three months. We also invest in other marketable debt securities with the maximum maturity of any individual issue not greater than two years from the date of purchase. All of these instruments including investments in equity securities are classified as available-for-sale, and as a result, are reported at fair value using quoted market prices. Interest income is recorded as earned. Unrealized gains and losses, net of related income taxes, are considered temporary and are reported as a component of accumulated other comprehensive income. For investments in an unrealized loss position that are determined to be other than temporary, unrealized losses are reclassified out of accumulated other comprehensive income and into earnings as an impairment loss. Upon sale, realized gains and losses on the sale of marketable securities are computed based on the specific identification of the underlying cost of the securities sold and the unrealized gains and losses previously reported in other comprehensive income are reclassified to current earnings.

The following is a summary of our available-for-sale securities:

	Available-for-Sale Securities
	Amortized Cost		Gross Unrealized Gain (Loss)			Estimated Fair Value (Net Carrying Amount)
	(In thousands)
June 30, 2011
Marketable debt securities (state and political subdivisions)	$	89,632	$	(69	)	$	89,563
Equity securities		610		485			1,095
Total marketable securities	$	90,242	$	416		$	90,658
December 31, 2010
Equity securities	$	610	$	733		$	1,343

For the six months ended June 30, 2011, we invested $157.8 million in marketable debt securities and received a total of $68.2 million related to sales and maturities of our investments in marketable debt securities.

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NOTE 8: Inventories

Inventory consists of the following components:

	June 30, 2011		December 31, 2010
	(In thousands)
Crude oil	$	179,650	$	96,570
Other raw materials and unfinished products (1)		56,677		68,792
Finished products (2)		208,406		188,274
Process chemicals (3)		22,576		22,512
Repairs and maintenance supplies and other		27,991		24,219
Total inventory	$	495,300	$	400,367

(1) Other raw materials and unfinished products include feedstocks and blendstocks, other than crude.

(2) Finished products include gasolines, jet fuels, diesels, lubricants, asphalts, LPG’s and residual fuels.

(3) Process chemicals include catalysts, additives and other chemicals.

NOTE 9: Environmental

Consistent with our accounting policy for environmental remediation costs, we expensed $0.1 million for the three months ended June 30, 2011 and 2010 and $0.1 million and $1.5 million for the six months ended June 30, 2011 and 2010, respectively, for environmental remediation obligations. The accrued environmental liability reflected in our consolidated balance sheets was $23.4 million and $26.2 million at June 30, 2011 and December 31, 2010, respectively, of which $17.8 million and $20.4 million, respectively, were classified as other long-term liabilities. Costs of future expenditures for environmental remediation that are expected to be incurred over the next several years are not discounted to their present value.

NOTE 10: Debt

Credit Facilities

On July 1, 2011, we entered into a $1 billion senior secured credit agreement (the “HollyFrontier credit Agreement”) with Union Bank, N.A. as administrative agent and BNP Paribas as syndication agent, and certain lenders from time to time party thereto, and terminated our previous credit agreement discussed below. The HollyFrontier Credit Agreement matures in July 2016 and may be used to fund working capital requirements, capital expenditures, acquisitions and general corporate purposes.

At June 30, 2011, we had a $400 million senior secured credit agreement expiring in March 2013 with Bank of America, N.A. as administrative agent and one of a syndicate of lenders. We were in compliance with all covenants at June 30, 2011. At June 30, 2011, we had no outstanding borrowings and outstanding letters of credit totaling $76.8 million. At that level of usage, the unused commitment was $323.2 million at June 30, 2011.

The $275 million HEP Credit Agreement is available to fund capital expenditures, investments, acquisitions, distribution payments and working capital and for general partnership purposes. In February 2011, HEP amended its previous credit agreement (expiring in August 2011), extending the expiration date and slightly reducing the size of the credit facility from $300 million to $275 million. The size was reduced based on management’s review of past and forecasted utilization of the facility. The HEP Credit Agreement expires in February 2016; however, in the event that the HEP 6.25% Senior Notes (discussed below) are not repurchased, refinanced, extended or repaid prior to September 1, 2014, the HEP Credit Agreement shall expire on that date.

HEP’s obligations under the HEP Credit Agreement are collateralized by substantially all of HEP’s assets (presented parenthetically in our Consolidated Balance Sheets). Indebtedness under the HEP Credit Agreement is recourse to HEP Logistics Holdings, L.P., its general partner, and guaranteed by HEP’s material, wholly-owned subsidiaries. Any recourse to the general partner would be limited to the extent of HEP Logistics

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Holdings, L.P.’s assets, which other than its investment in HEP, are not significant. HEP’s creditors have no other recourse to our assets. Furthermore, our creditors have no recourse to the assets of HEP and its consolidated subsidiaries.

HollyFrontier Senior Notes Due 2017

Our $300 million 9.875% Senior Notes mature in June 2017 and are unsecured and impose certain restrictive covenants, including limitations on our ability to incur additional debt, incur liens, enter into sale-and-leaseback transactions, pay dividends, enter into mergers, sell assets and enter into certain transactions with affiliates. At any time when the HollyFrontier 9.875% Senior Notes are rated investment grade by both Moody’s and Standard & Poor’s and no default or event of default exists, we will not be subject to many of the foregoing covenants. Additionally, we have certain redemption rights under the HollyFrontier 9.875% Senior Notes.

HEP Senior Notes Due 2018 and 2015

In March 2010, HEP issued $150 million in aggregate principal amount of 8.25% Senior Notes which mature in March 2018. A portion of the $147.5 million in net proceeds received was used to fund HEP’s $93 million purchase of certain storage assets at our Tulsa Refinery east facility and Navajo Refinery Lovington facility on March 31, 2010. Additionally, HEP used a portion to repay $42 million in outstanding HEP Credit Agreement borrowings, with the remaining proceeds available for general partnership purposes, including working capital and capital expenditures.

The HEP 6.25% Senior Notes having an aggregate principal amount of $185 million outstanding mature in March 2015 and are registered with the SEC. The HEP 6.25% Senior Notes and HEP 8.25% Senior Notes (collectively, the “HEP Senior Notes”) are unsecured and impose certain restrictive covenants, including limitations on HEP’s ability to incur additional indebtedness, make investments, sell assets, incur certain liens, pay distributions, enter into transactions with affiliates, and enter into mergers. At any time when the HEP Senior Notes are rated investment grade by both Moody’s and Standard & Poor’s and no default or event of default exists, HEP will not be subject to many of the foregoing covenants. Additionally, HEP has certain redemption rights under the HEP Senior Notes.

Indebtedness under the HEP Senior Notes is recourse to HEP Logistics Holdings, L.P., its general partner, and guaranteed by HEP’s wholly-owned subsidiaries. However, any recourse to the general partner would be limited to the extent of HEP Logistics Holdings, L.P.’s assets, which other than its investment in HEP, are not significant. HEP’s creditors have no other recourse to our assets. Furthermore, our creditors have no recourse to the assets of HEP and its consolidated subsidiaries.

HollyFrontier Financing Obligation

In October 2009, we sold approximately 400,000 barrels of crude oil tankage at our Tulsa Refinery west facility as well as certain crude oil pipeline receiving facilities to Plains All American Pipeline, L.P. (“Plains”) for $40 million in cash. In connection with this transaction, we entered into a 15-year lease agreement with Plains, whereby we agreed to pay a fixed monthly fee for the exclusive use of this tankage as well as a fee for volumes received at the receiving facilities purchased by Plains. Additionally, we have a margin sharing agreement with Plains under which we will equally share contango profits for crude oil purchased by them and delivered to our Tulsa Refinery west facility for storage. Due to our continuing involvement in these assets, this transaction has been accounted for as a financing obligation. As a result, we retained these assets on our books and recorded a liability representing the $40 million in proceeds received.

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The carrying amounts of long-term debt are as follows:

	June 30, 2011			December 31, 2010
	(In thousands)
HollyFrontier 9.875% Senior Notes
Principal	$	300,000		$	300,000
Unamortized discount		(9,918	)		(10,491	)
		290,082			289,509
HollyFrontier financing obligation
Principal		38,218			38,781
Total HollyFrontier long-term debt		328,300			328,290
HEP Credit Agreement		186,000			159,000
HEP 6.25% Senior Notes
Principal		185,000			185,000
Unamortized discount		(9,646	)		(10,961	)
Unamortized premium – dedesignated fair value hedge		1,271			1,444
		176,625			175,483
HEP 8.25% Senior Notes
Principal		150,000			150,000
Unamortized discount		(2,059	)		(2,212	)
		147,941			147,788
Total HEP long-term debt		510,566			482,271
Total long-term debt	$	838,866		$	810,561

We capitalized interest attributable to construction projects of $4.3 million and $0.6 million for the three months ended June 30, 2011 and 2010, respectively, and $7.9 million and $1.9 million for the six months ended June 30, 2011 and 2010, respectively.

NOTE 11: Derivative Instruments and Hedging Activities

Commodity Price Risk Management

Our primary market risk is commodity price risk. We are exposed to market risks related to the volatility in crude oil and refined products, as well as volatility in the price of natural gas used in our refining operations.

We periodically enter into derivative contracts in the form of commodity price swaps to mitigate price exposure with respect to:

• our inventory positions;

• natural gas purchases;

• costs of crude oil;

• prices of refined products; and

• our refining margins.

As of June 30, 2011, we have outstanding commodity price swap contracts serving as economic hedges to protect the value of temporary inventory builds of 210,000 barrels against price volatility and to lock in the spread between WTS and WTI crude oil with respect to forecasted purchases of 3.5 million barrels of crude oil. These contracts are measured quarterly at fair value with offsetting adjustments (gains / losses) recorded directly to cost of products sold.

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Interest Rate Risk Management

HEP uses interest rate swaps to manage its exposure to interest rate risk.

As of June 30, 2011, HEP has an interest rate swap that hedges its exposure to the cash flow risk caused by the effects of LIBOR changes on a $155 million HEP Credit Agreement advance. This interest rate swap effectively converts $155 million of LIBOR based debt to fixed rate debt having an interest rate of 3.74% plus an applicable margin, currently 2.50%, which equaled an effective interest rate of 6.24% as of June 30, 2011. This interest rate swap contract has been designated as a cash flow hedge and matures in February 2013.

This contract initially hedged variable LIBOR interest on $171 million in outstanding HEP Credit Agreement debt. In May 2010, HEP repaid $16 million of the HEP Credit Agreement debt and also settled a corresponding portion of its interest rate swap agreement having a notional amount of $16 million for $1.1 million. Upon payment, HEP reduced its swap liability and reclassified a $1.1 million charge from accumulated other comprehensive loss to interest expense, representing the application of hedge accounting prior to settlement.

The following table presents balance sheet locations and related fair values of outstanding derivative instruments.

Derivative Instruments	Balance Sheet Location	Fair Value		Location of Offsetting Balance	Offsetting Amount
	(Dollars in thousands)
June 30, 2011
Derivative designated as cash flow hedging instrument:
Variable-to-fixed interest rate swap contract ($155 million LIBOR based debt interest payments)	Other long-term liabilities	$	8,472	Accumulated other comprehensive loss	$	8,472
Derivatives not designated as hedging instruments:
Variable-to-fixed commodity price swap contracts (various inventory positions)	Prepayments and other current assets	$	7,958	Cost of products sold (decrease)	$	7,958
Fixed/variable-to-variable/fixed commodity price contracts (various inventory positions)	Accrued liabilities	$	1,300	Cost of products sold (increase)	$	1,300
Derivative Instruments	Balance Sheet Location	Fair Value		Location of Offsetting Balance	Offsetting Amount
	(Dollars in thousands)
December 31, 2010
Derivatives designated as cash flow hedging instruments:
Variable-to-fixed commodity price swap contracts (forecasted volumes of natural gas purchases)	Accrued liabilities	$	38	Accumulated other comprehensive loss	$	38
Variable-to-fixed interest rate swap contract ($155 million LIBOR based debt interest payments)	Other long-term liabilities	$	10,026	Accumulated other comprehensive loss	$	10,026
Derivatives not designated as hedging instruments:
Fixed-to-variable rate swap contracts (various inventory positions)	Accrued liabilities	$	497	Cost of products sold (increase)	$	497

For the three and the six months ended June 30, 2011, maturities and fair value adjustments attributable to our economic hedges resulted in a $3 million decrease and a $0.7 million increase, respectively, to costs of products sold.

For the three and six months ended June 30, 2010, HEP recognized $1.5 million in charges to interest expense as a result of fair value changes to interest rate swap contracts that were settled in the first quarter of 2010.

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NOTE 12: Equity

Changes to equity during the six months ended June 30, 2011 are presented below:

	HollyFrontier Stockholders’ Equity			Noncontrolling Interest			Total Equity
	(In thousands)
Balance at December 31, 2010	$	697,419		$	590,720		$	1,288,139
Net income		276,929			15,915			292,844
Dividends		(16,024	)		—			(16,024	)
Distributions to noncontrolling interest holders		—			(25,133	)		(25,133	)
Other comprehensive income		157			1,020			1,177
Contribution from joint venture partner		—			16,500			16,500
Equity based compensation		4,480			1,082			5,562
Excess tax benefit on equity based compensation arrangements		498			—			498
Purchase of HEP units for restricted grants		—			(1,379	)		(1,379	)
Purchase of treasury stock (1)		(2,996	)		—			(2,996	)
Balance at June 30, 2011	$	960,463		$	598,725		$	1,559,188

(1) Includes 56,813 shares purchased under the terms of restricted stock agreements to provide funds for the payment of payroll and income taxes due at vesting of restricted stock.

During the six months ended June 30, 2011, we repurchased shares of our common stock at market price from certain executives and employees costing $3 million. These purchases were made under the terms of restricted stock and performance share unit agreements to provide funds for the payment of payroll and income taxes due at the vesting of restricted and performance shares in the case of officers and employees who did not elect to satisfy such taxes by other means.

NOTE 13: Other Comprehensive Income (Loss)

The components and allocated tax effects of other comprehensive income (loss) are as follows:

	Before-Tax			Tax Expense (Benefit)			After-Tax
	(In thousands)
Three Months Ended June 30, 2011
Unrealized loss on available-for-sale securities	$	(459	)	$	(179	)	$	(280	)
Unrealized gain on hedging activities		271			35			236
Other comprehensive loss		(188	)		(144	)		(44	)
Less other comprehensive income attributable to noncontrolling interest		178			—			178
Other comprehensive loss attributable to HollyFrontier stockholders	$	(366	)	$	(144	)	$	(222	)
Three Months Ended June 30, 2010
Unrealized loss on available-for-sale securities	$	(251	)	$	(98	)	$	(153	)
Unrealized loss on hedging activities		(620	)		(82	)		(538	)
Other comprehensive loss		(871	)		(180	)		(691	)
Less other comprehensive loss attributable to noncontrolling interest		(407	)		—			(407	)
Other comprehensive loss attributable to HollyFrontier stockholders	$	(464	)	$	(180	)	$	(284	)
Six Months Ended June 30, 2011
Unrealized loss on available-for-sale securities	$	(317	)	$	(124	)	$	(193	)
Unrealized gain on hedging activities		1,592			222			1,370
Other comprehensive income		1,275			98			1,177
Less other comprehensive income attributable to noncontrolling interest		1,020			—			1,020
Other comprehensive income attributable to HollyFrontier stockholders	$	255		$	98		$	157

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	Before-Tax			Tax Expense (Benefit)			After-Tax
	(In thousands)
Six Months Ended June 30, 2010
Unrealized loss on available-for-sale securities	$	(7	)	$	(4	)	$	(3	)
Unrealized loss on hedging activities		(1,981	)		142			(2,123	)
Other comprehensive loss		(1,988	)		138			(2,126	)
Less other comprehensive loss attributable to noncontrolling interest		(2,343	)		—			(2,343	)
Other comprehensive income attributable to HollyFrontier stockholders	$	355		$	138		$	217

The temporary unrealized gain (loss) on available-for-sale securities is due to changes in market prices of securities.

Accumulated other comprehensive loss in the equity section of our consolidated balance sheets includes:

	June 30,			December 31,
	2011			2010
	(In thousands)
Pension obligation adjustment	$	(22,672	)	$	(22,672	)
Retiree medical obligation adjustment		(1,894	)		(1,894	)
Unrealized gain on available-for-sale securities		258			451
Unrealized loss on hedging activities, net of noncontrolling interest		(1,783	)		(2,131	)
Accumulated other comprehensive loss	$	(26,091	)	$	(26,246	)

NOTE 14: Retirement Plan

We have a non-contributory defined benefit retirement plan that covers most of our non-union employees hired prior to January 1, 2007 and union employees prior to July 1, 2010. Our policy is to make contributions annually of not less than the minimum funding requirements of the Employee Retirement Income Security Act of 1974. Benefits are based on the employee’s years of service and compensation.

The retirement plan is closed to all new employees. To the extent an employee was hired prior to the plan closing date (January 1, 2007 for non-union employees and July 1, 2010 for union employees) and elected to participate in automatic contributions features under our defined contribution plan, their participation in future benefits of the retirement plan has been frozen.

The net periodic pension expense consisted of the following components:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(In thousands)
Service cost – benefit earned during the period	$	1,268		$	1,156		$	2,535		$	2,298
Interest cost on projected benefit obligations		1,281			1,291			2,562			2,577
Expected return on plan assets		(1,339	)		(1,164	)		(2,678	)		(2,288	)
Amortization of prior service cost		97			98			195			195
Amortization of net loss		533			474			1,066			1,098
Net periodic pension expense	$	1,840		$	1,855		$	3,680		$	3,880

The expected long-term annual rate of return on plan assets is 8.5%. This rate was used in measuring 2011 and 2010 net periodic benefit cost. We expect to contribute $10 million to the retirement plan in 2011.

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NOTE 15: Contingencies

In May 2007, the United States Court of Appeals for the District of Columbia Circuit (“Court of Appeals”) issued its decision on petitions for review, brought by us and other parties, concerning rulings by the FERC in proceedings brought by us and other parties against SFPP, L.P. (“SFPP”). These proceedings relate to tariffs of common carrier pipelines, which are owned and operated by SFPP, for shipments of refined products from El Paso, Texas to Tucson and Phoenix, Arizona and from points in California to points in Arizona. We are one of several refiners that regularly utilize the SFPP pipeline to ship refined products from El Paso, Texas to Tucson and Phoenix, Arizona on SFPP’s East Line. The Court of Appeals in its May 2007 decision approved a FERC position, which is adverse to us, on the treatment of income taxes in the calculation of allowable rates for pipelines operated by partnerships and ruled in our favor on an issue relating to our rights to reparations when it is determined that certain tariffs we paid to SFPP in the past were too high. The case was remanded to FERC and consolidated with other cases that together addressed SFPP’s rates for the period from January 1992 through May 2006. In 2003 we received an initial payment of $15.3 million from SFPP as reparations for the period from 1992 through July 2000. On April 16, 2010, a settlement among us, SFPP, and other shippers was filed with FERC for its approval. FERC approved the settlement on May 28, 2010. Pursuant to the settlement, we received an additional settlement payment of $8.6 million. This settlement finally resolves the amount of additional payments SFPP owes us for the period January 1992 through May 2006.

We and other shippers also engaged in settlement discussions with SFPP relating to East Line service in the FERC proceedings that address periods after May 2006. A partial settlement covering the period June 2006 through November 2007, which became final in February 2008, resulted in a payment from SFPP to us of $1.3 million in April 2008. On October 22, 2008, we and other shippers jointly filed at the FERC with SFPP a settlement covering the period from December 2008 through November 2010. The FERC approved the settlement on January 29, 2009. The settlement reduced SFPP’s current rates and required SFPP to make additional payments to us of $2.9 million, which were received on May 18, 2009.

On June 2, 2009, SFPP notified us that it would terminate the October 22, 2008 settlement, as provided under the settlement, effective August 31, 2009. On July 31, 2009, SFPP filed substantial rate increases for East Line service to become effective September 1, 2009. We and several other shippers filed protests at the FERC challenging the rate increase and asking the FERC to suspend the effectiveness of the increased rates. On August 31, 2009, the FERC issued an order suspending the effective date of the rate increase until January 1, 2010, on which date the rate increase was placed into effect subject to refund, and setting the rate increase for a full evidentiary hearing to be held in 2010. SFPP subsequently reduced its rates for the East Line service, effective September 1, 2010. The rates placed in effect on January 1, 2010, and the lower rates put into effect on September 1, 2010, remain subject to refund subject to the outcome of the evidentiary hearing. We are not in a position to predict the ultimate outcome of the rate proceeding.

We are a party to various other litigation and proceedings which we believe, based on advice of counsel, will not either individually or in the aggregate have a materially adverse impact on our financial condition, results of operations or cash flows.

NOTE 16: Segment Information

Our operations are currently organized into two reportable segments, Refining and HEP. Our operations that are not included in the Refining and HEP segments are included in Corporate and Other. Intersegment transactions are eliminated in our consolidated financial statements and are included in Consolidations and Eliminations.

The Refining segment includes the operations of our Navajo, Woods Cross, and Tulsa Refineries and NK Asphalt and involves the purchase and refining of crude oil and wholesale and branded marketing of refined products, such as gasoline, diesel fuel and jet fuel. These petroleum products are primarily marketed in the Southwest, Rocky Mountain and Mid-Continent regions of the United States and northern Mexico. Additionally, the Refining segment includes specialty lubricant products produced at our Tulsa Refinery that are marketed throughout North America and are distributed in Central and South America. NK Asphalt operates various asphalt terminals in Arizona, New Mexico and Texas.

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The HEP segment includes all of the operations of HEP, a consolidated VIE, which owns and operates a system of petroleum product and crude gathering pipelines in Texas, New Mexico, Oklahoma and Utah, distribution terminals in Texas, New Mexico, Arizona, Utah, Idaho, and Washington and refinery tankage in New Mexico, Utah and Oklahoma. Revenues are generated by charging tariffs for transporting petroleum products and crude oil through its pipelines, by leasing certain pipeline capacity to Alon USA, Inc., by charging fees for terminalling refined products and other hydrocarbons and storing and providing other services at its storage tanks and terminals. The HEP segment also includes a 25% interest in SLC Pipeline that services refineries in the Salt Lake City, Utah area. Revenues from the HEP segment are earned through transactions with unaffiliated parties for pipeline transportation, rental and terminalling operations as well as revenues relating to pipeline transportation services provided for our refining operations. Our revaluation of HEP’s assets and liabilities at March 1, 2008 (date of reconsolidation) resulted in basis adjustments to our consolidated HEP balances. Therefore, our reported amounts for the HEP segment may not agree to amounts reported in HEP’s periodic public filings.

The accounting policies for our segments are the same as those described in the summary of significant accounting policies in our Annual Report on Form 10-K for the year ended December 31, 2010.

	Refining		HEP (1)		Corporate and Other			Consolidations and Eliminations			Consolidated Total
	(In thousands)
Three Months Ended June 30, 2011
Sales and other revenues	$	2,953,226	$	50,940	$	153		$	(37,186	)	$	2,967,133
Depreciation and amortization	$	23,478	$	7,309	$	1,252		$	(207	)	$	31,832
Income (loss) from operations	$	321,032	$	27,692	$	(18,040	)	$	(505	)	$	330,179
Capital expenditures	$	25,152	$	11,425	$	45,690		$	—		$	82,267
Three Months Ended June 30, 2010
Sales and other revenues	$	2,137,361	$	45,483	$	150		$	(37,134	)	$	2,145,860
Depreciation and amortization	$	20,599	$	7,187	$	1,333		$	(295	)	$	28,824
Income (loss) from operations	$	124,549	$	22,888	$	(15,111	)	$	(162	)	$	132,164
Capital expenditures	$	42,492	$	2,576	$	364		$	—		$	45,432
Six Months Ended June 30, 2011
Sales and other revenues	$	5,268,318	$	95,945	$	801		$	(71,346	)	$	5,293,718
Depreciation and amortization	$	46,461	$	14,544	$	2,549		$	(414	)	$	63,140
Income (loss) from operations	$	473,136	$	51,303	$	(34,138	)	$	(1,023	)	$	489,278
Capital expenditures	$	45,784	$	22,900	$	87,621		$	—		$	156,305
Six Months Ended June 30, 2010
Sales and other revenues	$	4,004,534	$	86,172	$	217		$	(70,773	)	$	4,020,150
Depreciation and amortization	$	41,325	$	13,992	$	1,854		$	(590	)	$	56,581
Income (loss) from operations	$	99,969	$	41,149	$	(30,877	)	$	(821	)	$	109,420
Capital expenditures	$	70,764	$	4,487	$	1,279		$	—		$	76,530
June 30, 2011
Cash, cash equivalents and investments in marketable securities	$	—	$	1,402	$	515,945		$	—		$	517,347
Total assets	$	2,614,120	$	678,508	$	901,439		$	(28,764	)	$	4,165,303
Long-term debt	$	—	$	510,566	$	344,996		$	(16,696	)	$	838,866
December 31, 2010
Cash, cash equivalents and investments in marketable securities	$	—	$	403	$	230,041		$	—		$	230,444
Total assets	$	2,490,193	$	669,820	$	573,531		$	(32,069	)	$	3,701,475
Long-term debt	$	—	$	482,271	$	345,215		$	(16,925	)	$	810,561

(1) HEP segment revenues from external customers were $13.8 million and $8.4 million for the three months ended June 30, 2011 and 2010, respectively, and $24.7 million and $15.5 million for the six months ended June 30, 2011 and 2010, respectively.

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NOTE 17: Supplemental Guarantor/Non-Guarantor Financial Information

Our obligations under the HollyFrontier 9.875% Senior Notes have been jointly and severally guaranteed by the substantial majority of our existing and future restricted subsidiaries (“Guarantor Restricted Subsidiaries”). These guarantees are full and unconditional. HEP, in which we have a 34% ownership interest, and its subsidiaries (collectively, “Non-Guarantor Non-Restricted Subsidiaries”), and certain of our other subsidiaries (“Non-Guarantor Restricted Subsidiaries”) have not guaranteed these obligations.

The following financial information presents condensed consolidating balance sheets, statements of income, and statements of cash flows of HollyFrontier (the “Parent”), the Guarantor Restricted Subsidiaries, the Non-Guarantor Restricted Subsidiaries and the Non-Guarantor Non-Restricted Subsidiaries. The information has been presented as if the Parent accounted for its ownership in the Guarantor Restricted Subsidiaries, and the Guarantor Restricted Subsidiaries accounted for the ownership of the Non-Guarantor Restricted Subsidiaries and Non-Guarantor Non-Restricted Subsidiaries, using the equity method of accounting. The Guarantor Restricted Subsidiaries and the Non-Guarantor Restricted Subsidiaries are collectively the “Restricted Subsidiaries.” Our revaluation of HEP’s assets and liabilities at March 1, 2008 (date of reconsolidation) resulted in basis adjustments to our consolidated HEP balances. Therefore, our reported amounts for the HEP segment may not agree to amounts reported in HEP’s periodic public filings.

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Condensed Consolidating Balance Sheet
June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP		Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)		Eliminations			Consolidated
	(In thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	414,141		$	(1,656	)	$	12,802		$	—		$	425,287	$	1,402	$	—		$	426,689
Marketable securities		64,759			1,095			—			—			65,854		—		—			65,854
Accounts receivable		3,074			1,000,967			57			—			1,004,098		18,756		(19,327	)		1,003,527
Intercompany accounts receivable (payable)		(1,844,815	)		1,418,880			425,935			—			—		—		—			—
Inventories		—			495,115			—			—			495,115		185		—			495,300
Prepayments and other assets		17,828			18,809			—			—			36,637		853		(3,886	)		33,604
Total current assets		(1,345,013	)		2,933,210			438,794			—			2,026,991		21,196		(23,213	)		2,024,974
Properties and equipment, net		17,713			1,031,585			315,691			—			1,364,989		501,469		(6,695	)		1,859,763
Marketable securities (long-term)		24,804			—			—			—			24,804		—		—			24,804
Investment in subsidiaries		2,766,499			664,480			(394,949	)		(3,036,030	)		—		—		—			—
Intangibles and other assets		16,284			82,491			—			—			98,775		155,843		1,144			255,762
Total assets	$	1,480,287		$	4,711,766		$	359,536		$	(3,036,030	)	$	3,515,559	$	678,508	$	(28,764	)	$	4,165,303
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	$	7,278		$	1,447,891		$	7,683		$	—		$	1,462,852	$	7,115	$	(19,327	)	$	1,450,640
Income taxes payable		23,002			—			—			—			23,002		—		—			23,002
Accrued liabilities		29,133			40,738			1,858			—			71,729		16,108		(3,886	)		83,951
Total current liabilities		59,413			1,488,629			9,541			—			1,557,583		23,223		(23,213	)		1,557,593
Long-term debt		290,083			54,913			—			—			344,996		510,566		(16,696	)		838,866
Non-current liabilities		46,315			25,712			—			—			72,027		9,164		—			81,191
Deferred income taxes		122,565			176			773			—			123,514		—		4,951			128,465
Distributions in excess of inv in HEP		—			375,837			—			—			375,837		—		(375,837	)		—
Equity – HollyFrontier		961,911			2,766,499			349,222			(3,115,721	)		961,911		135,555		(137,003	)		960,463
Equity – noncontrolling interest		—			—			—			79,691			79,691		—		519,034			598,725
Total liabilities and equity	$	1,480,287		$	4,711,766		$	359,536		$	(3,036,030	)	$	3,515,559	$	678,508	$	(28,764	)	$	4,165,303
Condensed Consolidating Balance Sheet
December 31, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP		Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)		Eliminations			Consolidated
	(In thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	230,082		$	(9,035	)	$	7,651		$	—		$	228,698	$	403	$	—		$	229,101
Marketable securities		—			1,343			—			—			1,343		—		—			1,343
Accounts receivable		1,683			991,778			—			—			993,461		22,508		(22,853	)		993,116
Intercompany accounts receivable (payable)		(1,401,580	)		981,691			419,889			—			—		—		—			—
Inventories		—			400,165			—			—			400,165		202		—			400,367
Income taxes receivable		51,034			—			—			—			51,034		—		—			51,034
Prepayments and other assets		10,210			20,942			—			—			31,152		573		(3,251	)		28,474
Total current assets		(1,108,571	)		2,386,884			427,540			—			1,705,853		23,686		(26,104	)		1,703,435
Properties and equipment, net		17,177			1,017,877			236,648			—			1,271,702		492,098		(7,109	)		1,756,691
Investment in subsidiaries		2,273,159			595,888			(393,011	)		(2,476,036	)		—		—		—			—
Intangibles and other assets		8,569			77,600			—			—			86,169		154,036		1,144			241,349
Total assets	$	1,190,334		$	4,078,249		$	271,177		$	(2,476,036	)	$	3,063,724	$	669,820	$	(32,069	)	$	3,701,475
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	$	7,170		$	1,319,316		$	3,575		$	—		$	1,330,061	$	10,238	$	(22,853	)	$	1,317,446
Accrued liabilities		25,512			28,145			797			—			54,454		21,206		(3,251	)		72,409
Total current liabilities		32,682			1,347,461			4,372			—			1,384,515		31,444		(26,104	)		1,389,855
Long-term debt		289,509			55,706			—			—			345,215		482,271		(16,925	)		810,561
Non-current liabilities		42,655			27,521			—			—			70,176		10,809		—			80,985
Deferred income taxes		126,160			259			565			—			126,984		—		4,951			131,935
Distributions in excess of inv in HEP		—			374,143			—			—			374,143		—		(374,143	)		—
Equity – HollyFrontier		699,328			2,273,159			266,240			(2,539,399	)		699,328		145,296		(147,205	)		697,419
Equity – noncontrolling interest		—			—			—			63,363			63,363		—		527,357			590,720
Total liabilities and equity	$	1,190,334		$	4,078,249		$	271,177		$	(2,476,036	)	$	3,063,724	$	669,820	$	(32,069	)	$	3,701,475

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Condensed Consolidating Statement of Income
Three Months Ended June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	153		$	2,953,226		$	—		$	—		$	2,953,379		$	50,940		$	(37,186	)	$	2,967,133
Operating costs and expenses:
Cost of products sold		—			2,483,435			—			—			2,483,435			—			(36,340	)		2,447,095
Operating expenses		—			124,992			121			—			125,113			14,366			(134	)		139,345
General and administrative expenses		16,976			133			—			—			17,109			1,573			—			18,682
Depreciation and amortization		907			23,644			179			—			24,730			7,309			(207	)		31,832
Total operating costs and expenses		17,883			2,632,204			300			—			2,650,387			23,248			(36,681	)		2,636,954
Income (loss) from operations		(17,730	)		321,022			(300	)		—			302,992			27,692			(505	)		330,179
Other income (expense):
Equity in earnings of subsidiaries and joint venture		329,496			9,268			9,480			(338,764	)		9,480			467			(9,480	)		467
Interest income (expense)		(5,063	)		(795	)		13			—			(5,845	)		(9,286	)		595			(14,536	)
Merger transaction costs		(2,316	)		—			—			—			(2,316	)		—			—			(2,316	)
		322,117			8,473			9,493			(338,764	)		1,319			(8,819	)		(8,885	)		(16,385	)
Income before income taxes		304,387			329,495			9,193			(338,764	)		304,311			18,873			(9,390	)		313,794
Income tax provision		111,943			—			—			—			111,943			18			—			111,961
Net income		192,444			329,495			9,193			(338,764	)		192,368			18,855			(9,390	)		201,833
Less net income attributable to noncontrolling interest		—			—			—			(75	)		(75	)		—			9,673			9,598
Net income attributable to HollyFrontier stockholders	$	192,444		$	329,495		$	9,193		$	(338,689	)	$	192,443		$	18,855		$	(19,063	)	$	192,235
Condensed Consolidating Statement of Income
Three Months Ended June 30, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	150		$	2,137,361		$	—		$	—		$	2,137,511		$	45,483		$	(37,134	)	$	2,145,860
Operating costs and expenses:
Cost of products sold		—			1,884,676			86			—			1,884,762			—			(36,550	)		1,848,212
Operating expenses		—			107,463			—			—			107,463			13,495			(127	)		120,831
General and administrative expenses		13,916			—			—			—			13,916			1,913			—			15,829
Depreciation and amortization		928			20,825			179			—			21,932			7,187			(295	)		28,824
Total operating costs and expenses		14,844			2,012,964			265			—			2,028,073			22,595			(36,972	)		2,013,696
Income (loss) from operations		(14,694	)		124,397			(265	)		—			109,438			22,888			(162	)		132,164
Other income (expense):
Equity in earnings of subsidiaries and joint venture		130,097			6,819			7,007			(136,916	)		7,007			544			(7,007	)		544
Interest income (expense)		(9,527	)		(1,119	)		12			—			(10,634	)		(10,109	)		355			(20,388	)
		120,570			5,700			7,019			(136,916	)		(3,627	)		(9,565	)		(6,652	)		(19,844	)
Income before income taxes		105,876			130,097			6,754			(136,916	)		105,811			13,323			(6,814	)		112,320
Income tax provision		39,608			—			—			—			39,608			46			—			39,654
Net income		66,268			130,097			6,754			(136,916	)		66,203			13,277			(6,814	)		72,666
Less net income attributable to noncontrolling interest		—			—			—			(65	)		(65	)		—			6,569			6,504
Net income attributable to HollyFrontier stockholders	$	66,268		$	130,097		$	6,754		$	(136,851	)	$	66,268		$	13,277		$	(13,383	)	$	66,162

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Condensed Consolidating Statement of Income
Six Months Ended June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Frontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	801		$	5,268,318		$	—		$	—		$	5,269,119		$	95,945		$	(71,346	)	$	5,293,718
Operating costs and expenses:
Cost of products sold		—			4,501,361			—			—			4,501,361			—			(69,649	)		4,431,712
Operating expenses		—			246,677			509			—			247,186			27,162			(260	)		274,088
General and administrative expenses		32,329			235			—			—			32,564			2,936			—			35,500
Depreciation and amortization		1,847			46,805			358			—			49,010			14,544			(414	)		63,140
Total operating costs and expenses		34,176			4,795,078			867			—			4,830,121			44,642			(70,323	)		4,804,440
Income (loss) from operations		(33,375	)		473,240			(867	)		—			438,998			51,303			(1,023	)		489,278
Other income (expense):
Equity in earnings of subsidiaries and joint venture		488,453			16,831			17,500			(505,284	)		17,500			1,207			(17,500	)		1,207
Interest income (expense)		(11,872	)		(1,618	)		26			—			(13,464	)		(18,398	)		1,207			(30,655	)
Merger transaction costs		(6,014	)		—			—			—			(6,014	)		—			—			(6,014	)
		470,567			15,213			17,526			(505,284	)		(1,978	)		(17,191	)		(16,293	)		(35,462	)
Income before income taxes		437,192			488,453			16,659			(505,284	)		437,020			34,112			(17,316	)		453,816
Income tax provision		160,726			—			—			—			160,726			246			—			160,972
Net income		276,466			488,453			16,659			(505,284	)		276,294			33,866			(17,316	)		292,844
Less net income attributable to noncontrolling interest		—			—			—			(172	)		(172	)		—			16,087			15,915
Net income attributable to HollyFrontier stockholders	$	276,466		$	488,453		$	16,659		$	(505,112	)	$	276,466		$	33,866		$	(33,403	)	$	276,929
Condensed Consolidating Statement of Income
Six Months Ended June 30, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	217		$	4,004,534		$	—		$	—		$	4,004,751		$	86,172		$	(70,773	)	$	4,020,150
Operating costs and expenses:
Cost of products sold		—			3,641,183			12			—			3,641,195			—			(69,119	)		3,572,076
Operating expenses		—			222,063			—			—			222,063			26,555			(243	)		248,375
General and administrative expenses		28,801			421			—			—			29,222			4,476			—			33,698
Depreciation and amortization		1,871			41,779			(471	)		—			43,179			13,992			(590	)		56,581
Total operating costs and expenses		30,672			3,905,446			(459	)		—			3,935,659			45,023			(69,952	)		3,910,730
Income (loss) from operations		(30,455	)		99,088			459			—			69,092			41,149			(821	)		109,420
Other income (expense):
Equity in earnings of subsidiaries and joint venture		109,989			13,299			12,936			(123,288	)		12,936			1,025			(12,936	)		1,025
Interest income (expense)		(18,670	)		(2,398	)		20			—			(21,048	)		(18,213	)		1,210			(38,051	)
		91,319			10,901			12,956			(123,288	)		(8,112	)		(17,188	)		(11,726	)		(37,026	)
Income before income taxes		60,864			109,989			13,415			(123,288	)		60,980			23,961			(12,547	)		72,394
Income tax provision		22,842			—			—			—			22,842			140			—			22,982
Net income		38,022			109,989			13,415			(123,288	)		38,138			23,821			(12,547	)		49,412
Less net income attributable to noncontrolling interest		—			—			—			116			116			—			11,228			11,344
Net income attributable to HollyFrontier stockholders	$	38,022		$	109,989		$	13,415		$	(123,404	)	$	38,022		$	23,821		$	(23,775	)	$	38,068

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Condensed Consolidating Statement of Cash Flows
Six Months Ended June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Cash flows from operating activities	$	304,061		$	122,324		$	5,051		$	431,436		$	46,289		$	(19,729	)	$	457,996
Cash flows from investing activities
Additions to properties, plants and equipment		(2,623	)		(51,382	)		(79,400	)		(133,405	)		—			—			(133,405	)
Additions to properties, plants and equipment – HEP		—			—			—			—			(22,900	)		—			(22,900	)
Investment in Sabine Biofuels		(9,125	)		—			—			(9,125	)		—			—			(9,125	)
Purchases of marketable securities		(157,782	)		—			—			(157,782	)		—			—			(157,782	)
Sales and maturities of marketable securities		68,150			—			—			68,150			—			—			68,150
		(101,380	)		(51,382	)		(79,400	)		(232,162	)		(22,900	)		—			(255,062	)
Cash flows from financing activities
Net borrowings under credit agreements – HEP		—			—			—			—			27,000			—			27,000
Repayments under financing obligation		—			(563	)		—			(563	)		—			—			(563	)
Purchase of treasury stock		(2,996	)		—			—			(2,996	)		—			—			(2,996	)
Contribution from joint venture partner		—			(63,000	)		79,500			16,500			—			—			16,500
Dividends		(15,984	)		—			—			(15,984	)		—			—			(15,984	)
Distributions to noncontrolling interest		—			—			—			—			(44,862	)		19,729			(25,133	)
Excess tax benefit from equity based compensation		498			—			—			498			—			—			498
Purchase of units for HEP restricted grants		—			—			—			—			(1,379	)		—			(1,379	)
Deferred financing costs		(140	)		—			—			(140	)		(3,149	)		—			(3,289	)
		(18,622	)		(63,563	)		79,500			(2,685	)		(22,390	)		19,729			(5,346	)
Cash and cash equivalents
Increase (decrease) for the period		184,059			7,379			5,151			196,589			999			—			197,588
Beginning of period		230,082			(9,035	)		7,651			228,698			403			—			229,101
End of period	$	414,141		$	(1,656	)	$	12,802		$	425,287		$	1,402		$	—		$	426,689
Condensed Consolidating Statement of Cash Flows
Six Months Ended June 30, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Cash flows from operating activities	$	24,464		$	(15,103	)	$	1,379		$	10,740		$	45,186		$	(17,580	)	$	38,346
Cash flows from investing activities
Additions to properties, plants and equipment		(1,279	)		(54,880	)		(15,884	)		(72,043	)		—			—			(72,043	)
Additions to properties, plants and equipment – HEP		—			—			—			—			(43,527	)		39,040			(4,487	)
Proceeds from sale of assets		—			39,040			—			39,040			—			(39,040	)		—
		(1,279	)		(15,840	)		(15,884	)		(33,003	)		(43,527	)		—			(76,530	)
Cash flows from financing activities
Net repayments under credit agreements – HEP		—			—			—			—			(51,000	)		—			(51,000	)
Proceeds from issuance of senior notes – HEP		—			—			—			—			147,540			—			147,540
Repayments under financing obligation		—			(616	)		—			(616	)		—			201			(415	)
Purchase of treasury stock		(1,308	)		—			—			(1,308	)		—			—			(1,308	)
Contribution from joint venture partner		—			(15,000	)		20,000			5,000			—			—			5,000
Dividends		(15,901	)		—			—			(15,901	)		—			—			(15,901	)
Purchase price in excess of transferred basis in assets		—			53,960			—			53,960			(53,960	)		—			—
Distributions to noncontrolling interest		—			—			—			—			(41,312	)		17,379			(23,933	)
Excess tax expense from equity based compensation		(1,313	)		—			—			(1,313	)		—			—			(1,313	)
Deferred financing costs		(1,177	)		(1,125	)		—			(2,302	)		(353	)		—			(2,655	)
Purchase of units for HEP restricted grants		—			—			—			—			(2,276	)		—			(2,276	)
Issuance of common stock upon exercise of options		61			—			—			61			—			—			61
		(19,638	)		37,219			20,000			37,581			(1,361	)		17,580			53,800
Cash and cash equivalents
Increase (decrease) for the period		3,547			6,276			5,495			15,318			298			—			15,616
Beginning of period		127,560			(12,477	)		7,005			122,088			2,508			—			124,596
End of period	$	131,107		$	(6,201	)	$	12,500		$	137,406		$	2,806		$	—		$	140,212

NOTE 18: Subsequent Event

On August 3, 2011 we announced that our Board of Directors approved a two-for-one stock split payable in the form of a stock dividend of one share of common stock for each issued and outstanding share of HollyFrontier common stock and a special cash dividend of $1.00 per share. The stock dividend is payable on August 31, 2011 to all holders of record on August 24, 2011, and the cash dividend is payable on August 22, 2011 to all holders of record on August 15, 2011. Upon completion of the stock split, we will have approximately 210 million shares of common stock outstanding.

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

This Item 2 contains “forward-looking” statements. See “Forward-Looking Statements” at the beginning of Part I of this Quarterly Report on Form 10-Q. Holly Corporation (“Holly”) changed its name to HollyFrontier Corporation (“HollyFrontier” or “HollyFrontier Corporation”) in connection with the consummation of its “merger of equals” with Frontier Oil Corporation (“Frontier”), which became effective on July 1, 2011 (see description below). All previous references to “Holly” within this document have been replaced with “HollyFrontier.” References herein to HollyFrontier Corporation with respect to time periods through and including June 30, 2011 include Holly and its consolidated subsidiaries and do not include Frontier and its consolidated subsidiaries since the merger had not been consummated as of June 30, 2011, while references herein to HollyFrontier with respect to time periods from and after July 1, 2011 include Frontier and its consolidated subsidiaries. Unless otherwise specified, the financial information included herein are as of and for the period ended June 30, 2011 and, thus, do not include financial information for Frontier. In this document, the words “we,” “our,” “ours” and “us” refer only to HollyFrontier and its consolidated subsidiaries or to HollyFrontier or an individual subsidiary and not to any other person. The words “we,” “our,” “ours” and “us” generally include Holly Energy Partners, L.P. (“HEP”) and its subsidiaries as consolidated subsidiaries of HollyFrontier with certain exceptions where there are transactions or obligations between HEP and HollyFrontier or its other subsidiaries. This document contains certain disclosures of agreements that are specific to HEP and its consolidated subsidiaries and do not necessarily represent obligations of HollyFrontier. When used in descriptions of agreements and transactions, “HEP” refers to HEP and its consolidated subsidiaries.

OVERVIEW

We are principally an independent petroleum refiner that produces high value light products such as gasoline, diesel fuel, jet fuel, specialty lubricant products, and specialty and modified asphalt. Navajo Refining Company, L.L.C., one of our wholly-owned subsidiaries, owns a petroleum refinery in Artesia, New Mexico, which operates in conjunction with crude, vacuum distillation and other facilities situated 65 miles away in Lovington, New Mexico (collectively, the “Navajo Refinery”). The Navajo Refinery can process sour (high sulfur) crude oils and serves markets in the southwestern United States and northern Mexico. Our refinery located just north of Salt Lake City, Utah (the “Woods Cross Refinery”) is operated by Holly Refining & Marketing Company – Woods Cross LLC, one of our wholly-owned subsidiaries. This facility is a high conversion refinery that primarily processes regional sweet (lower sulfur) and sour Canadian crude oils. Our refinery located in Tulsa, Oklahoma (the “Tulsa Refinery”) is comprised of two facilities, the Tulsa Refinery west and east facilities.

At June 30, 2011, we owned a 34% interest in HEP, a consolidated variable interest entity (“VIE”), which includes our 2% general partner interest. HEP has logistic assets including petroleum product and crude oil pipelines located in Texas, New Mexico, Oklahoma and Utah; ten refined product terminals; a jet fuel terminal; loading rack facilities at each of our three refineries, a refined products tank farm facility and on-site crude oil tankage at our Navajo, Woods Cross and Tulsa Refineries. Additionally, HEP owns a 25% interest in SLC Pipeline LLC (“SLC Pipeline”), a new 95-mile intrastate pipeline system that serves refineries in the Salt Lake City area.

Our principal source of revenue is from the sale of high value light products such as gasoline, diesel fuel, jet fuel and asphalt products in markets in the Southwest, Rocky Mountain and Mid-Continent regions of the United States and northern Mexico. We also produce specialty lubricant products that are marketed throughout North America and are distributed in Central and South America. For the six months ended June 30, 2011, sales and other revenues were $5,293.7 million and net income attributable to HollyFrontier stockholders was $276.9 million. For the six months ended June 30, 2010, sales and other revenues were $4,020.2 million and the net income attributable to HollyFrontier stockholders was $38.1 million. Our principal expenses are costs of products sold and operating expenses. Our total operating costs and expenses for the six months ended June 30, 2011 were $4,804.4 million compared to $3,910.7 million for the six months ended June 30, 2010.

On February 21, 2011, we entered into a merger agreement providing for a “merger of equals” business combination between us and Frontier. On July 1, 2011, North Acquisition, Inc. a direct wholly-owned subsidiary of Holly merged with and into Frontier, with Frontier surviving as a wholly-owned subsidiary of Holly. Concurrent with the merger, we changed our name to HollyFrontier Corporation and changed the trading symbol

- 30 -

for our common stock traded on the New York Stock Exchange to “HFC.” Subsequent to the merger and following approval by the post-closing board of directors of HollyFrontier, Frontier merged with and into HollyFrontier, with HollyFrontier continuing as the surviving corporation.

In accordance with the merger agreement, we issued approximately 51.4 million shares of HollyFrontier common stock in exchange for outstanding shares of Frontier common stock to former Frontier stockholders. Each outstanding share of Frontier common stock was converted into 0.4811 shares of HollyFrontier common stock with any fractional shares paid in cash. Based on the July 1, 2011 market closing price of $71.86, the aggregate equity consideration paid in connection with the merger was approximately $3.7 billion.

Beginning July 1, 2011, HollyFrontier’s consolidated financial and operating results will reflect the operations of the merged Frontier businesses. This includes a 135,000 barrels per stream day (“bpsd”) refinery located in El Dorado, Kansas (the “El Dorado Refinery”) and a 52,000 bpsd refinery located in Cheyenne, Wyoming (the “Cheyenne Refinery”) that serve markets in the Rocky Mountain and Plains States regions of the United States.

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RESULTS OF OPERATIONS

Financial Data (Unaudited)

	Three Months Ended June 30,						Change from 2010
	2011			2010			Change			Percent
	(In thousands, except per share data)
Sales and other revenues	$	2,967,133		$	2,145,860		$	821,273			38.3	%
Operating costs and expenses:
Cost of products sold (exclusive of depreciation and amortization)		2,447,095			1,848,212			598,883			32.4
Operating expenses (exclusive of depreciation and amortization)		139,345			120,831			18,514			15.3
General and administrative expenses (exclusive of depreciation and amortization)		18,682			15,829			2,853			18.0
Depreciation and amortization		31,832			28,824			3,008			10.4
Total operating costs and expenses		2,636,954			2,013,696			623,258			31.0
Income from operations		330,179			132,164			198,015			149.8
Other income (expense):
Equity in earnings of SLC Pipeline		467			544			(77	)		(14.2	)
Interest income		657			635			22			3.5
Interest expense		(15,193	)		(21,023	)		5,830			(27.7	)
Merger transaction costs		(2,316	)		—			(2,316	)		—
		(16,385	)		(19,844	)		3,459			(17.4	)
Income before income taxes		313,794			112,320			201,474			179.4
Income tax provision		111,961			39,654			72,307			182.3
Net income		201,833			72,666			129,167			177.8
Less net income attributable to noncontrolling interest		9,598			6,504			3,094			47.6
Net income attributable to HollyFrontier stockholders	$	192,235		$	66,162		$	126,073			190.6	%
Earnings per share attributable to HollyFrontier stockholders:
Basic	$	3.60		$	1.24		$	2.36			190.3	%
Diluted	$	3.58		$	1.24		$	2.34			188.7	%
Cash dividends declared per common share	$	0.15		$	0.15		$	—			—	%
Average number of common shares outstanding:
Basic		53,365			53,206			159			0.3	%
Diluted		53,670			53,408			262			0.5	%

- 32 -

	Six Months Ended June 30,						Change from 2010
	2011			2010			Change			Percent
	(In thousands, except per share data)
Sales and other revenues	$	5,293,718		$	4,020,150		$	1,273,568			31.7	%
Operating costs and expenses:
Cost of products sold (exclusive of depreciation and amortization)		4,431,712			3,572,076			859,636			24.1
Operating expenses (exclusive of depreciation and amortization)		274,088			248,375			25,713			10.4
General and administrative expenses (exclusive of depreciation and amortization)		35,500			33,698			1,802			5.3
Depreciation and amortization		63,140			56,581			6,559			11.6
Total operating costs and expenses		4,804,440			3,910,730			893,710			22.9
Income from operations		489,278			109,420			379,858			347.2
Other income (expense):
Equity in earnings of SLC Pipeline		1,207			1,025			182			17.8
Interest income		742			694			48			6.9
Interest expense		(31,397	)		(38,745	)		7,348			(19.0	)
Merger transaction costs		(6,014	)		—			(6,014	)		—
		(35,462	)		(37,026	)		1,564			(4.2	)
Income before income taxes		453,816			72,394			381,422			526.9
Income tax provision		160,972			22,982			137,990			600.4
Net income		292,844			49,412			243,432			492.7
Less net income attributable to noncontrolling interest		15,915			11,344			4,571			40.3
Net income attributable to HollyFrontier stockholders	$	276,929		$	38,068		$	238,861			627.5	%
Earnings per share attributable to HollyFrontier stockholders:
Basic	$	5.19		$	0.72		$	4.47			620.8	%
Diluted	$	5.16		$	0.71		$	4.45			626.8	%
Cash dividends declared per common share	$	0.30		$	0.30		$	—			—	%
Average number of common shares outstanding:
Basic		53,336			53,152			184			0.3	%
Diluted		53,643			53,375			268			0.5	%

Balance Sheet Data (Unaudited)

	June 30, 2011		December 31, 2010
	(In thousands)
Cash, cash equivalents and investments in marketable securities	$	517,347	$	230,444
Working capital	$	467,381	$	313,580
Total assets	$	4,165,303	$	3,701,475
Long-term debt	$	838,866	$	810,561
Total equity	$	1,559,188	$	1,288,139

- 33 -

Other Financial Data (Unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(In thousands)
Net cash provided by operating activities	$	327,454		$	128,370		$	457,996		$	38,346
Net cash used for investing activities	$	(114,012	)	$	(45,432	)	$	(255,062	)	$	(76,530	)
Net cash provided by (used for) financing activities	$	(10,867	)	$	(36,015	)	$	(5,346	)	$	53,800
Capital expenditures	$	82,267		$	45,432		$	156,305		$	76,530
EBITDA (1)	$	350,564		$	155,028		$	531,696		$	155,682

(1) Earnings before interest, taxes, depreciation and amortization, which we refer to as (“EBITDA”), is calculated as net income plus (i) interest expense, net of interest income, (ii) income tax provision, and (iii) depreciation and amortization. EBITDA is not a calculation provided for under GAAP; however, the amounts included in the EBITDA calculation are derived from amounts included in our consolidated financial statements. EBITDA should not be considered as an alternative to net income or operating income as an indication of our operating performance or as an alternative to operating cash flow as a measure of liquidity. EBITDA is not necessarily comparable to similarly titled measures of other companies. EBITDA is presented here because it is a widely used financial indicator used by investors and analysts to measure performance. EBITDA is also used by our management for internal analysis and as a basis for financial covenants. EBITDA presented above is reconciled to net income under “Reconciliations to Amounts Reported Under Generally Accepted Accounting Principles” following Item 3 of Part I of this Form 10-Q.

Our operations are currently organized into two reportable segments, Refining and HEP. Our operations that are not included in the Refining and HEP segment are included in Corporate and Other. Intersegment transactions are eliminated in our consolidated financial statements and are included in Eliminations.

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(In thousands)
Sales and other revenues
Refining (1)	$	2,953,226		$	2,137,361		$	5,268,318		$	4,004,534
HEP (2)		50,940			45,483			95,945			86,172
Corporate and Other		153			150			801			217
Eliminations		(37,186	)		(37,134	)		(71,346	)		(70,773	)
Consolidated	$	2,967,133		$	2,145,860		$	5,293,718		$	4,020,150
Operating Income (loss)
Refining (1)	$	321,032		$	124,549		$	473,136		$	99,969
HEP (2)		27,692			22,888			51,303			41,149
Corporate and Other		(18,040	)		(15,111	)		(34,138	)		(30,877	)
Eliminations		(505	)		(162	)		(1,023	)		(821	)
Consolidated	$	330,179		$	132,164		$	489,278		$	109,420

(1) The Refining segment includes the operations of our Navajo, Woods Cross and Tulsa Refineries and NK Asphalt Partners (“NK Asphalt”) and involves the purchase and refining of crude oil and wholesale and branded marketing of refined products, such as gasoline, diesel fuel, jet fuel, specialty lubricant products, and specialty and modified asphalt. The petroleum products are primarily marketed in the Southwest, Rocky Mountain and Mid-Continent regions of the United States and northern Mexico. Additionally, specialty lubricant products produced at our Tulsa Refinery are marketed throughout North America and are distributed in Central and South America. NK Asphalt operates various asphalt terminals in Arizona, New Mexico and Texas.

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(2) The HEP segment involves all of the operations of HEP which owns and operates a system of petroleum product and crude gathering pipelines and refinery tankage in Texas, New Mexico, Oklahoma and Utah, and distribution terminals in Texas, New Mexico, Arizona, Utah, Idaho, Oklahoma and Washington. Revenues are generated by charging tariffs for transporting petroleum products and crude oil through its pipelines and by charging fees for terminalling petroleum products and other hydrocarbons, and storing and providing other services at its storage tanks and terminals. Additionally, HEP owns a 25% interest in the SLC Pipeline that services refineries in the Salt Lake City, Utah area. Revenues from the HEP segment are earned through transactions with unaffiliated parties for pipeline transportation, rental and terminalling operations as well as revenues relating to pipeline transportation services provided for our refining operations.

Refining Operating Data (Unaudited)

Our refinery operations include the Navajo, Woods Cross and Tulsa Refineries. The following tables set forth information, including non-GAAP performance measures, about our consolidated refinery operations. The cost of products and refinery gross margin do not include the effect of depreciation and amortization. Reconciliations to amounts reported under GAAP are provided under “Reconciliations to Amounts Reported Under Generally Accepted Accounting Principles” following Item 3 of Part I of this Form 10-Q.

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Navajo Refinery
Crude charge (BPD) (1)		86,080			82,370			78,070			80,650
Refinery throughput (BPD) (2)		94,190			92,440			86,600			91,470
Refinery production (BPD) (3)		93,620			91,750			85,220			89,650
Sales of produced refined products (BPD)		94,340			93,040			87,130			90,000
Sales of refined products (BPD) (4)		98,120			96,280			92,440			93,220
Refinery utilization (5)		86.1	%		82.4	%		78.1	%		80.7	%
Average per produced barrel (6)
Net sales	$	126.36		$	91.21		$	119.35		$	89.70
Cost of products (7)		104.24			82.08			100.30			82.50
Refinery gross margin		22.12			9.13			19.05			7.20
Refinery operating expenses (8)		5.17			4.61			5.71			4.88
Net operating margin	$	16.95		$	4.52		$	13.34		$	2.32
Refinery operating expenses per throughput barrel	$	5.18		$	4.64		$	5.74		$	4.80
Feedstocks:
Sour crude oil		71	%		85	%		72	%		86	%
Sweet crude oil		4	%		4	%		4	%		4	%
Heavy sour crude oil		16	%		—	%		14	%		—	%
Other feedstocks and blends		9	%		11	%		10	%		10	%
Total		100	%		100	%		100	%		100	%
Sales of produced refined products:
Gasolines		52	%		57	%		52	%		57	%
Diesel fuels		32	%		31	%		33	%		31	%
Jet fuels		1	%		5	%		1	%		4	%
Fuel oil		7	%		3	%		6	%		4	%
Asphalt		4	%		2	%		4	%		2	%
LPG and other		4	%		2	%		4	%		2	%
Total		100	%		100	%		100	%		100	%

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	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Woods Cross Refinery
Crude charge (BPD) (1)		26,840			27,450			26,310			26,570
Refinery throughput (BPD) (2)		28,740			28,940			28,320			28,030
Refinery production (BPD) (3)		28,320			28,850			27,480			27,700
Sales of produced refined products (BPD)		27,600			29,070			27,130			28,620
Sales of refined products (BPD) (4)		27,600			29,140			27,170			28,750
Refinery utilization (5)		86.6	%		88.5	%		84.9	%		85.7	%
Average per produced barrel (6)
Net sales	$	128.02		$	96.62		$	118.62		$	93.15
Cost of products (7)		99.79			74.26			94.95			74.48
Refinery gross margin		28.23			22.36			23.67			18.67
Refinery operating expenses (8)		6.16			5.30			6.29			5.74
Net operating margin	$	22.07		$	17.06		$	17.38		$	12.93
Refinery operating expenses per throughput barrel	$	5.92		$	5.32		$	6.03		$	5.86
Feedstocks:
Sweet crude oil		61	%		60	%		59	%		60	%
Heavy sour crude oil		5	%		5	%		5	%		6	%
Black wax crude oil		28	%		29	%		29	%		29	%
Other feedstocks and blends		6	%		6	%		7	%		5	%
Total		100	%		100	%		100	%		100	%
Sales of produced refined products:
Gasolines		61	%		62	%		61	%		63	%
Diesel fuels		31	%		31	%		30	%		29	%
Jet fuels		1	%		1	%		1	%		1	%
Fuel oil		3	%		1	%		3	%		1	%
Asphalt		2	%		3	%		3	%		3	%
LPG and other		2	%		2	%		2	%		3	%
Total		100	%		100	%		100	%		100	%
Tulsa Refinery
Crude charge (BPD) (1)		110,100			118,480			107,860			111,080
Refinery throughput (BPD) (2)		111,850			119,800			109,290			112,350
Refinery production (BPD) (3)		110,110			112,860			107,050			107,900
Sales of produced refined products (BPD)		112,710			111,880			106,400			105,360
Sales of refined products (BPD) (4)		114,300			111,880			107,390			106,280
Refinery utilization (5)		88.1	%		94.8	%		86.3	%		88.9	%
Average per produced barrel (6)
Net sales	$	129.11		$	90.93		$	122.65		$	88.74
Cost of products (7)		109.94			81.32			105.53			82.05
Refinery gross margin		19.17			9.61			17.12			6.69
Refinery operating expenses (8)		5.56			4.70			5.76			5.26
Net operating margin	$	13.61		$	4.91		$	11.36		$	1.43
Refinery operating expenses per throughput barrel	$	5.60		$	4.39		$	5.61		$	4.93
Feedstocks:
Sweet crude oil		93	%		89	%		95	%		94	%
Heavy sour crude oil		5	%		3	%		4	%		1	%
Sour crude oil		—	%		8	%		—	%		4	%
Other feedstocks and blends		2	%		—	%		1	%		1	%
Total		100	%		100	%		100	%		100	%

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	Three Months Ended June 30,						Six Months Ended June  30,
	2011			2010			2011			2010
Sales of produced refined products:
Gasolines		38	%		37	%		37	%		39	%
Diesel fuels		30	%		32	%		30	%		31	%
Jet fuels		8	%		9	%		8	%		9	%
Lubricants		10	%		10	%		11	%		10	%
Gas oil / intermediates		6	%		3	%		6	%		3	%
Asphalt		5	%		4	%		5	%		4	%
LPG and other		3	%		5	%		3	%		4	%
Total		100	%		100	%		100	%		100	%
Consolidated
Crude charge (BPD) (1)		223,020			228,300			212,240			218,300
Refinery throughput (BPD) (2)		234,780			241,180			224,210			231,850
Refinery production (BPD) (3)		232,050			233,460			219,750			225,250
Sales of produced refined products (BPD)		234,650			233,990			220,660			223,980
Sales of refined products (BPD) (4)		240,020			237,300			227,000			228,250
Refinery utilization (5)		87.1	%		89.2	%		82.9	%		85.3	%
Average per produced barrel (6)
Net sales	$	127.87		$	91.75		$	120.85		$	89.69
Cost of products (7)		106.45			80.74			102.16			81.26
Refinery gross margin		21.42			11.01			18.69			8.43
Refinery operating expenses (8)		5.48			4.74			5.80			5.17
Net operating margin	$	15.94		$	6.27		$	12.89		$	3.26
Refinery operating expenses per throughput barrel	$	5.47		$	4.60		$	5.71		$	4.99
Feedstocks:
Sour crude oil		29	%		37	%		28	%		36	%
Sweet crude oil		54	%		53	%		55	%		55	%
Heavy sour crude oil		9	%		2	%		8	%		1	%
Black wax crude oil		3	%		3	%		4	%		3	%
Other feedstocks and blends		5	%		5	%		5	%		5	%
Total		100	%		100	%		100	%		100	%
Sales of produced refined products:
Gasolines		46	%		48	%		46	%		49	%
Diesel fuels		31	%		32	%		32	%		31	%
Jet fuels		4	%		6	%		4	%		6	%
Fuel oil		3	%		1	%		3	%		2	%
Asphalt		5	%		3	%		4	%		3	%
Lubricants		5	%		5	%		5	%		5	%
Gas oil / intermediates		3	%		2	%		3	%		1	%
LPG and other		3	%		3	%		3	%		3	%
Total		100	%		100	%		100	%		100	%

(1) Crude charge represents the barrels per day of crude oil processed at our refineries.

(2) Refinery throughput represents the barrels per day of crude and other refinery feedstocks input to the crude units and other conversion units at our refineries.

(3) Refinery production represents the barrels per day of refined products yielded from processing crude and other refinery feedstocks through the crude units and other conversion units at our refineries.

(4) Includes refined products purchased for resale.

(5) Represents crude charge divided by total crude capacity (BPSD). Our consolidated crude capacity is 256,000 BPSD.

(6) Represents average per barrel amount for produced refined products sold, which is a non-GAAP measure. Reconciliations to amounts reported under GAAP are provided under “Reconciliations to Amounts Reported Under Generally Accepted Accounting Principles” following Item 3 of Part I of this Form 10-Q.

(7) Transportation costs billed from HEP are included in cost of products.

(8) Represents operating expenses of our refineries, exclusive of depreciation and amortization.

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Results of Operations - Three Months Ended June 30, 2011 Compared to Three Months Ended June 30, 2010

Summary

Net income attributable to HollyFrontier stockholders for the three months ended June 30, 2011 was $192.2 million ($3.60 per basic and $3.58 per diluted share), a $126 million increase compared to $66.2 million ($1.24 per basic and diluted share) for the three months ended June 30, 2010. Net income increased due principally to significantly higher refinery gross margins during the three months ended June 30, 2011. Overall refinery gross margins for the three months ended June 30, 2011 increased to $21.42 per produced barrel compared to $11.01 for the three months ended June 30, 2010.

Sales and Other Revenues

Sales and other revenues increased 38% from $2,145.9 million for the three months ended June 30, 2010 to $2,967.1 million for the three months ended June 30, 2011, due principally to the effects of increased sales prices of produced refined products sold. The average sales price we received per produced barrel sold increased 39% from $91.75 for the three months ended June 30, 2010 to $127.87 for the three months ended June 30, 2011. Sales and other revenues for the three months ended June 30, 2011 and 2010, include $13.8 million and $8.4 million, respectively, in HEP revenues attributable to pipeline and transportation services provided to unaffiliated parties.

Additionally included in revenues for the three months ended June 30, 2010 was a final settlement received from SFPP, L.P. in June 2010 of $8.6 million that relates to tariff refunds for shipments of refined products for the period of January 1992 through May 2006.

Cost of Products Sold

Cost of products sold increased 32% from $1,848.2 million for the three months ended June 30, 2010 to $2,447.1 million for the three months ended June 30, 2011, due principally to higher crude oil costs. The average price we paid per barrel for crude oil and feedstocks and the transportation costs of moving the finished products to the market place increased 32% from $80.74 for the three months ended June 30, 2010 to $106.45 for the three months ended June 30, 2011.

Gross Refinery Margins

Gross refinery margin per produced barrel increased 95% from $11.01 for the three months ended June 30, 2010 to $21.42 for the three months ended June 30, 2011 due to the effects of an increase in the average sales price we received per barrel of produced refined products sold, partially offset by an increase in the average per barrel price we paid for crude oil and feedstocks. Our processing of lower priced West Texas Intermediate related crude oil combined with strong diesel and high gasoline margins at all of our refineries helped fuel this margin improvement. Gross refinery margin does not include the effects of depreciation and amortization. See “Reconciliations to Amounts Reported Under Generally Accepted Accounting Principles” following Item 3 of Part 1 of this Form 10-Q for a reconciliation to the income statement of prices of refined products sold and cost of products purchased.

Operating Expenses

Operating expenses, exclusive of depreciation and amortization, increased 15% from $120.8 million for the three months ended June 30, 2010 to $139.3 million for the three months ended June 30, 2011, due principally to increased payroll and maintenance costs.

General and Administrative Expenses

General and administrative expenses increased 18% from $15.8 million for the three months ended June 30, 2010 to $18.7 million for the three months ended June 30, 2011, due principally to higher payroll and equity based compensation costs.

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Depreciation and Amortization Expenses

Depreciation and amortization increased 10% from $28.8 million for the three months ended June 30, 2010 to $31.8 million for the three months ended June 30, 2011. The increase was due principally to depreciation and amortization attributable to capitalized improvement projects.

Interest Expense

Interest expense was $15.2 million for the three months ended June 30, 2011 compared to $21 million for the three months ended June 30, 2010. The decrease was due principally to interest capitalized on the UNEV Pipeline project. For the three months ended June 30, 2011 and 2010, interest expense included $9.3 million and $10.1 million, respectively, in interest costs attributable to HEP operations.

Merger Transaction Costs

For the three months ended June 30, 2011, we recognized merger transaction costs of $2.3 million related to our merger with Frontier effective July 1, 2011. These costs relate to legal, advisory and other professional fees that are directly attributable to the merger.

Income Taxes

For the three months ended June 30, 2011, we recorded income tax expense of $112 million compared to $39.7 million for the three months ended June 30, 2010. This increase was due principally to significantly higher pre-tax earnings during the three months ended June 30, 2011 compared to the same period of 2010. Our effective tax rates, before consideration of earnings attributable to the noncontrolling interest, were 35.7% and 35.3% for the three months ended June 30, 2011 and 2010, respectively.

Results of Operations - Six Months Ended June 30, 2011 Compared to Six Months Ended June 30, 2010

Summary

Net income attributable to HollyFrontier stockholders for the six months ended June 30, 2011 was $276.9 million ($5.19 per basic and $5.16 per diluted share), a $238.8 million increase compared to $38.1 million ($0.72 per basic and $0.71 per diluted share) for the six months ended June 30, 2010. Net income increased due principally to significantly higher refinery gross margins during the six months ended June 30, 2011. Overall refinery gross margins for the six months ended June 30, 2011 increased to $18.69 per produced barrel compared to $8.43 for the six months ended June 30, 2010.

Overall production levels for the six months ended June 30, 2011 decreased slightly over the same period of 2010 due principally to the effects of production downtime at the Navajo Refinery during the current year first quarter. For the six months ended June 30, 2011, overall production levels averaged 219,750 barrels per day (“BPD”) compared to 225,250 BPD for the same period last year.

Sales and Other Revenues

Sales and other revenues increased 32% from $4,020.2 million for the six months ended June 30, 2010 to $5,293.7 million for the six months ended June 30, 2011, due principally to the effects of increased sales prices of produced refined products sold that was partially offset by a slight decrease in year-over-year volumes of produced refined products sold. The average sales price we received per produced barrel sold increased 35% from $89.69 for the six months ended June 30, 2010 to $120.85 for the six months ended June 30, 2011. Sales and other revenues for the six months ended June 30, 2011 and 2010, include $24.7 million and $15.5 million, respectively, in HEP revenues attributable to pipeline and transportation services provided to unaffiliated parties.

Cost of Products Sold

Cost of products sold increased 24% from $3,572.1 million for the six months ended June 30, 2010 to $4,431.7 million for the six months ended June 30, 2011, due principally to higher crude oil costs, partially offset by a slight decrease in volumes of produced refined products sold. The average price we paid per barrel for crude oil and feedstocks and the transportation costs of moving the finished products to the market place increased 26% from $81.26 for the six months ended June 30, 2010 to $102.16 for the six months ended June 30, 2011.

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Gross Refinery Margins

Gross refinery margin per produced barrel increased 122% from $8.43 for the six months ended June 30, 2010 to $18.69 for the six months ended June 30, 2011 due to the effects of an increase in the average sales price we received per barrel of produced refined products sold, partially offset by an increase in the average per barrel price we paid for crude oil and feedstocks. Gross refinery margin does not include the effects of depreciation and amortization. See “Reconciliations to Amounts Reported Under Generally Accepted Accounting Principles” following Item 3 of Part 1 of this Form 10-Q for a reconciliation to the income statement of prices of refined products sold and cost of products purchased.

Operating Expenses

Operating expenses, exclusive of depreciation and amortization, increased 10% from $248.4 million for the six months ended June 30, 2010 to $274.1 million for the six months ended June 30, 2011, due principally to increased payroll and maintenance costs during the current year.

General and Administrative Expenses

General and administrative expenses increased 5% from $33.7 million for the six months ended June 30, 2010 to $35.5 million for the six months ended June 30, 2011, due principally to higher compensation costs and professional fees.

Depreciation and Amortization Expenses

Depreciation and amortization increased 12% from $56.6 million for the six months ended June 30, 2010 to $63.1 million for the six months ended June 30, 2011. The increase was due principally to depreciation and amortization attributable to capitalized improvement projects.

Interest Expense

Interest expense was $31.4 million for the six months ended June 30, 2011 compared to $38.7 million for the six months ended June 30, 2010. The decrease was due principally to interest capitalized on the UNEV Pipeline project. For the six months ended June 30, 2011 and 2010, interest expense included $18.4 million and $18.2 million, respectively, in interest costs attributable to HEP operations.

Merger Transaction Costs

For the six months ended June 30, 2011, we recognized merger transaction costs of $6 million that relate to legal, advisory and other professional fees attributable to our merger with Frontier.

Income Taxes

For the six months ended June 30, 2011 we recorded income tax expense of $161 million compared to $23 million for the six months ended June 30, 2010. This increase was due principally to significantly higher pre-tax earnings during the six months ended June 30, 2011 compared to the same period of 2010. Our effective tax rates, before consideration of earnings attributable to the noncontrolling interest, were 35.5% and 31.7% for the six months ended June 30, 2011 and 2010, respectively.

LIQUIDITY AND CAPITAL RESOURCES

HollyFrontier Credit Agreement

On July 1, 2011, we entered into a $1 billion senior secured credit agreement (the “HollyFrontier Credit Agreement”) with Union Bank, N.A. as administrative agent and BNP Paribas as syndication agent, and certain lenders from time to time thereto, and terminated our previous credit agreement discussed below. The HollyFrontier Credit Agreement matures in July 2016 and may be used to fund working capital requirements, capital expenditures, acquisitions and general corporate purposes.

At June 30, 2011, we had a $400 million senior secured credit agreement expiring in March 2013 with Bank of America, N.A. as administrative agent and one of a syndicate of lenders. We were in compliance with all covenants at June 30, 2011. At June 30, 2011, we had no outstanding borrowings and outstanding letters of credit totaling $76.8 million. At that level of usage, the unused commitment was $323.2 million.

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If any particular lender could not honor its commitment under the HollyFrontier Credit Agreement, we believe the unused capacity that would be available from the remaining lenders would be sufficient to meet our borrowing needs. Additionally, we have reviewed publicly available information on our lenders in order to review and monitor their financial stability and assess their ongoing ability to honor their commitments under the HollyFrontier Credit Agreement. We have not experienced, nor do we expect to experience, any difficulty in the lenders’ ability to honor their respective commitments, and if it were to become necessary, we believe there would be alternative lenders or options available.

HEP Credit Agreement

HEP has a $275 million senior secured revolving Credit Agreement (the “HEP Credit Agreement”) that is available to fund capital expenditures, investments, acquisitions, distribution payments and working capital and for general partnership purposes. In February 2011, HEP amended its previous credit agreement (expiring in August 2011), extending the expiration date and reducing the size of the credit facility from $300 million to $275 million. The size was reduced based on management’s review of past and forecasted utilization of the facility. The HEP Credit Agreement expires in February 2016; however, in the event that the 6.25% HEP Senior Notes (discussed later) are not repurchased, refinanced, extended or repaid prior to September 1, 2014, the HEP Credit Agreement will expire on that date. At June 30, 2011, HEP had outstanding borrowings totaling $186 million under the HEP Credit Agreement, with unused borrowing capacity of $89 million.

HEP’s obligations under the HEP Credit Agreement are collateralized by substantially all of HEP’s assets (presented parenthetically in our Consolidated Balance Sheets). Indebtedness under the HEP Credit Agreement is recourse to HEP Logistics Holdings, L.P., its general partner, and guaranteed by HEP’s wholly-owned subsidiaries. Any recourse to the general partner would be limited to the extent of HEP Logistics Holdings, L.P.’s assets, which other than its investment in HEP, are not significant. HEP’s creditors have no other recourse to our assets. Furthermore, our creditors have no recourse to the assets of HEP and its consolidated subsidiaries.

If any particular lender could not honor its commitment under the HEP Credit agreement, HEP believes the unused capacity that would be available from the remaining lenders would be sufficient to meet its borrowing needs. Additionally, publicly available information on these lenders is reviewed in order to monitor their financial stability and assess their ongoing ability to honor their commitments under the HEP Credit Agreement. HEP does not expect to experience any difficulty in the lenders’ ability to honor their respective commitments, and if it were to become necessary, HEP believes there would be alternative lenders or options available.

HollyFrontier Senior Notes Due 2017

Our $300 million 9.875% senior notes (the “HollyFrontier 9.875% Senior Notes”) mature in June 2017 and are unsecured and impose certain restrictive covenants, including limitations on our ability to incur additional debt, incur liens, enter into sale-and-leaseback transactions, pay dividends, enter into mergers, sell assets and enter into certain transactions with affiliates. At any time when the HollyFrontier 9.875% Senior Notes are rated investment grade by both Moody’s and Standard & Poor’s and no default or event of default exists, we will not be subject to many of the foregoing covenants. Additionally, we have certain redemption rights under the HollyFrontier 9.875% Senior Notes.

HEP Senior Notes Due 2018 and 2015

In March 2010, HEP issued $150 million in aggregate principal amount of 8.25% senior notes maturing in March 2018 (the “HEP 8.25% Senior Notes”). A portion of the $147.5 million in net proceeds received was used to fund HEP’s $93 million purchase of certain storage assets at our Tulsa Refinery east facility and Navajo Refinery Lovington facility on March 31, 2010. Additionally, HEP used a portion to repay $42 million in outstanding HEP Credit Agreement borrowings, with the remaining proceeds available for general partnership purposes, including working capital and capital expenditures.

HEP also has $185 million in aggregate principal amount outstanding of 6.25% senior notes maturing in March 2015 (the “HEP 6.25% Senior Notes”) that are registered with the SEC. The HEP 6.25% Senior Notes and HEP 8.25% Senior Notes (collectively, the “HEP Senior Notes”) are unsecured and impose certain restrictive covenants, including limitations on HEP’s ability to incur additional indebtedness, make investments, sell assets, incur certain liens, pay distributions, enter into transactions with affiliates, and enter into mergers. At any time when the HEP Senior Notes are rated investment grade by both Moody’s and Standard & Poor’s and no default or event of default exists, HEP will not be subject to many of the foregoing covenants. Additionally, HEP has certain redemption rights under the HEP Senior Notes.

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Indebtedness under the HEP Senior Notes is recourse to HEP Logistics Holdings, L.P., its general partner, and guaranteed by HEP’s wholly-owned subsidiaries. However, any recourse to the general partner would be limited to the extent of HEP Logistics Holdings, L.P.’s assets, which other than its investment in HEP, are not significant. HEP’s creditors have no other recourse to our assets. Furthermore, our creditors have no recourse to the assets of HEP and its consolidated subsidiaries.

See “Risk Management” for a discussion of HEP’s interest rate swap contracts.

HollyFrontier Financing Obligation

In October 2009, we sold approximately 400,000 barrels of crude oil tankage at our Tulsa Refinery west facility as well as certain crude oil pipeline receiving facilities to an affiliate of Plains All American Pipeline, L.P. (“Plains”) for $40 million in cash. In connection with this transaction, we entered into a 15-year lease agreement with Plains, whereby we agreed to pay a fixed monthly fee for the exclusive use of this tankage as well as a fee for volumes received at the receiving facilities purchased by Plains. Additionally, we have a margin sharing agreement with Plains under which we will equally share contango profits with Plains for crude oil purchased by them and delivered to our Tulsa Refinery west facility for storage. Due to our continuing involvement in these assets, this transaction has been accounted for as a financing obligation. As a result, we retained these assets on our books and recorded a liability representing the $40 million in proceeds received.

Liquidity

We believe our current cash and cash equivalents, along with future internally generated cash flow and funds available under our credit facilities will provide sufficient resources to fund currently planned capital projects (including legacy Frontier projects not discussed below) and our liquidity needs for the foreseeable future. In addition, components of our growth strategy may include construction of new refinery processing units and the expansion of existing units at our facilities and selective acquisition of complementary assets for our refining operations intended to increase earnings and cash flow. Our ability to acquire complementary assets will be dependent upon several factors, including our ability to identify attractive acquisition candidates, consummate acquisitions on favorable terms, successfully integrate acquired assets and obtain financing to fund acquisitions and to support our growth, and many other factors beyond our control.

We began the third quarter as a combined company with over $1.3 billion in cash, cash equivalents and marketable securities and a new $1 billion revolving credit facility, significantly enhancing our liquidity position. We consider all highly-liquid instruments with a maturity of three months or less at the time of purchase to be cash equivalents. Cash equivalents are stated at cost, which approximates market value, and are invested primarily in conservative, highly-rated instruments issued by financial institutions or government entities with strong credit standings.

During the six months ended June 30, 2011, cash and cash equivalents increased by $197.6 million. Net cash provided by operating activities of $458 million exceeded cash used for investing and financing activities of $255.1 million and $5.3 million, respectively. Working capital increased by $153.8 million during the six months ended June 30, 2011.

Cash Flows - Operating Activities

Six Months Ended June 30, 2011 Compared to Six Months Ended June 30, 2010

Net cash flows provided by operating activities were $458 million for the six months ended June 30, 2011 compared to net cash provided by operating activities of $38.3 million for the six months ended June 30, 2010, an increase of $419.7 million. Net income for the six months ended June 30, 2011 was $292.8 million, an increase of $243.4 million compared to $49.4 million for the six months ended June 30, 2010. Non-cash adjustments consisting of depreciation and amortization, deferred income taxes, equity-based compensation expense and fair value adjustments to derivative instruments resulted in an increase to operating cash flows of $72.3 million for the six months ended June 30, 2011 compared to $46.5 million for the same period in 2010. Additionally, SLC Pipeline earnings, net of distributions decreased and increased operating cash flows by $0.1 million for the six months ended June 30, 2011 and June 30, 2010, respectively. Changes in working capital

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items increased cash flows by $105.5 million for the six months ended June 30, 2011 compared to a decrease of $54.2 million for the six months ended June 30, 2010. Additionally, for the six months ended June 30, 2011, turnaround expenditures increased to $19.8 million from $8.7 million in 2010 due primarily to a major maintenance turnaround project at our Tulsa Refinery facilities that was completed in January 2011.

Cash Flows - Investing Activities and Planned Capital Expenditures

Six Months Ended June 30, 2011 Compared to Six Months Ended June 30, 2010

Net cash flows used for investing activities were $255.1 million for the six months ended June 30, 2011 compared to $76.5 million for the six months ended June 30, 2010, an increase of $178.6 million. Cash expenditures for properties, plants and equipment for the first six months of 2011 increased to $156.3 million from $76.5 million for the same period in 2010. These include HEP capital expenditures of $22.9 million and $4.5 million for the six months ended June 30, 2011 and 2010, respectively. Capital expenditures were significantly higher in the six months ending June 30, 2011 due to construction of the UNEV Pipeline system. During the six months ended June 30, 2011, we invested $9.1 million in Sabine Biofuels, a development stage biodiesel production facility. Also, for the six months ended June 30, 2011, we invested $157.8 million in marketable securities and received proceeds of $68.2 million from the sale or maturity of marketable securities.

Planned Capital Expenditures

HollyFrontier Corporation

Each year our Board of Directors approves in our annual capital budget projects that our management is authorized to undertake. Additionally, at times when conditions warrant or as new opportunities arise, other or special projects may be approved. The funds allocated for a particular capital project may be expended over a period of several years, depending on the time required to complete the project. Therefore, our planned capital expenditures for a given year consist of expenditures approved for capital projects included in the current year’s capital budget as well as, in certain cases, expenditures approved for capital projects in capital budgets for prior years. As of June 30, 2011, our total capital budget for 2011 is $142.4 million. Additionally, capital costs of $11.7 million have been approved for refinery turnarounds and tank work. We expect to spend approximately $185 million in capital costs in 2011, including capital projects approved in prior years. Our capital spending for 2011 is comprised of $24 million for projects at the Navajo Refinery, $13 million for projects at the Woods Cross Refinery, $70 million for projects at the Tulsa Refinery, $69 million for our portion of the UNEV Pipeline project, $3 million for asphalt plant projects and $6 million for marketing-related and miscellaneous projects. The following summarizes our key capital projects as of June 30, 2011.

We are proceeding with the integration project of our Tulsa Refinery west and east facilities. Upon completion, the Tulsa Refinery will have an integrated crude processing rate of 125,000 BPSD. The integration project involves the installation of interconnect pipelines that will permit us to transfer various intermediate streams between the two facilities. Currently, we are using an existing third-party line for the transfer of intermediates from the west facility to the east facility under a 10-year agreement. These interconnect lines will allow us to eliminate the sale of gas oil at a discount to WTI under our 5-year gas oil off take agreement with a third party, optimize gasoline blending, increase our utilization of better process technology, improve yields and reduce operating costs. HEP is currently constructing five additional interconnect pipelines and we are currently negotiating terms for a long-term agreement with HEP to transfer intermediate products via these pipelines that will commence upon completion of the project. Also, as part of the integration, during the first quarter of 2011 we completed the expansion of the diesel hydrotreating unit at the east facility. This expanded unit will permit the processing of all high sulfur diesel produced to ULSD once the interconnecting pipelines are complete and available to move high sulfur diesel and hydrogen produced in the west facility to the east facility. We are currently planning to complete the integration projects by the end of this summer.

The Tulsa Refinery facilities also will be required to comply with new MSAT2 regulations in order to meet new federal benzene reduction requirements for gasoline. We have decided to primarily use existing equipment at the Tulsa Refinery east facility to split reformate from reformers at both west and east facilities and install a new benzene saturation unit to achieve the required benzene reduction at an estimated cost of $29 million. We will be required to buy benzene credits to get the gasoline pool below 0.62% by volume until this project is complete, as required by law, beginning in 2011. There is an additional requirement to average 1.3% benzene levels on an annual basis beginning in July 2012.

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Our consent decree with the EPA requires recovery of sulfur from the refinery fuel gas system and the shutdown or replacement of two low pressure boilers at the Tulsa Refinery west facility by the end of 2013. Our Board of Directors have approved a project for $44 million which would meet these requirements as well as increase our ability to run additional lower priced sour crude types at the Tulsa Refinery east facility. Also, we are evaluating the best solution to the low pressure boiler issue. In addition to the consent decree requirements, flare gas recovery and coker blowdown modifications are required to comply with new flare regulations at an estimated cost of $10 million.

The Navajo Refinery currently plans to comply with the new MSAT2 regulations by the fractionation of naphtha by revamping an existing fractionation unit to achieve benzene in gasoline levels below 1.3%. The Navajo Refinery will purchase or use credits generated at the Tulsa Refinery to reduce benzene content to the required 0.62%. Due to our acquisition of the Tulsa Refinery facilities from Sunoco and Sinclair, our Navajo Refinery has until the end of 2011 to comply with the MSAT2 regulations because we no longer qualify for the small refiner’s exemption. Also, we will be installing a new storm water surge tank and upgrading several other processes at the refinery’s Artesia waste water treatment plant. These projects are expected to cost approximately $17 million.

Our Woods Cross Refinery is required to install a wet gas scrubber on its FCC unit by the end of 2012. We estimate the total cost to be $15 million. The MSAT2 solution for the refinery involves revamping its naphtha fractionation unit and installing a benzene saturation unit at an estimated cost of $18 million. These projects will reduce benzene levels in gasoline below the 1.3% annual average level. The Woods Cross Refinery will purchase credits to meet the 0.62% benzene requirement. Like our Navajo Refinery, our Woods Cross Refinery has until the end of 2011 to comply with the MSAT2 regulations.

Under a definitive agreement with Sinclair, we are jointly building the UNEV Pipeline, a 12-inch refined products pipeline from Salt Lake City, Utah to Las Vegas, Nevada, together with terminal facilities in the Cedar City, Utah and North Las Vegas areas. Under the agreement, we own a 75% interest in the joint venture pipeline with Sinclair, our joint venture partner, owning the remaining 25% interest. The initial capacity of the pipeline will be 62,000 BPD (based on gasoline equivalents), with the capacity for further expansion to 120,000 BPD. The current total cost of the pipeline project including terminals is expected to be approximately $385 million, with our share of the cost totaling $289 million. This project includes the construction of ethanol blending and storage facilities at the Cedar City terminal. The pipeline is in the final construction phase and is expected to be mechanically complete in the fourth quarter of 2011.

In connection with this project, we have entered into a 10-year commitment to ship an annual average of 15,000 barrels per day of refined products on the UNEV Pipeline at an agreed tariff. Our commitment for each year is subject to reduction by up to 5,000 barrels per day in specified circumstances relating to shipments by other shippers. We have an option agreement with HEP granting them an option to purchase all of our equity interests in this joint venture pipeline effective for a 180-day period commencing when the UNEV Pipeline becomes operational, at a purchase price equal to our investment in this joint venture pipeline plus interest at 7% per annum.

Regulatory compliance items or other presently existing or future environmental regulations / consent decrees could cause us to make additional capital investments beyond those described above and incur additional operating costs to meet applicable requirements.

HEP

Each year the Holly Logistic Services, L.L.C. board of directors approves HEP’s annual capital budget, which specifies capital projects that HEP management is authorized to undertake. Additionally, at times when conditions warrant or as new opportunities arise, special projects may be approved. The funds allocated for a particular capital project may be expended over a period of several years, depending on the time required to complete the project. Therefore, HEP’s planned capital expenditures for a given year consist of expenditures

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approved for capital projects included in its current year capital budget as well as, in certain cases, expenditures approved for capital projects in capital budgets for prior years. The 2011 HEP capital budget is comprised of $5.8 million for maintenance capital expenditures and $20.1 million for expansion capital expenditures.

As described under our Tulsa Refinery integration project, HEP is currently constructing five interconnecting pipelines between our Tulsa east and west refining facilities. The project is expected to cost approximately $35 million with completion in the late summer of 2011. We are finalizing terms for a long-term agreement with HEP to transfer intermediate products via these pipelines that will commence upon completion of the project.

Additionally, HEP has two expansion projects to provide 60,000 bpd of additional crude pipeline take-away capacity resulting from increased Delaware Basin drilling activity in southeast New Mexico. The first project will increase one of HEP’s existing crude oil trunk lines from 35,000 bpd to 60,000 bpd. This 35-mile pipeline transports crude oil from its gathering system in southeast New Mexico to our New Mexico refining facilities. The scope of the project includes the replacement of 5 miles of existing pipe with larger diameter pipe and the addition of a higher horsepower pump. HEP will commence shortly and is expected to be completed during the first half of 2012. The second project will consist of the reactivation and conversion to crude oil service a 70-mile, 8-inch petroleum products pipeline owned by HEP. Once in service, this pipeline would be capable of transporting up to 35,000 bpd of crude oil from rapidly developing Delaware Basin production in the Carlsbad, New Mexico area to either a third party common carrier pipeline station for transport to major crude oil markets or to our New Mexico refining facilities. The scope of this project is in the process of being finalized. It is anticipated that this project, subject to receipt of acceptable shipper support and board approval, could also be completed during the first half of 2012. These two expansion projects are currently estimated to cost approximately $15 million.

Cash Flows - Financing Activities

Six Months Ended June 30, 2011 Compared to Six Months Ended June 30, 2010

Net cash flows used for financing activities were $5.3 million for the six months ended June 30, 2011 compared to net cash flows provided by financing activities of $53.8 million for the six months ended June 30, 2010, a decrease of $59.1 million. During the six months ended June 30, 2011, we paid $0.6 million under our financing obligation to Plains, purchased $3 million in common stock from employees to provide funds for the payment of payroll and income taxes due upon the vesting of certain share-based incentive awards, paid $16 million in dividends, received an $16.5 million contribution from our UNEV Pipeline joint venture partner and recognized $1.4 million excess taxes on our equity based compensation. During the six months ended June 30, 2011, HEP received $64 million and repaid $37 million under the HEP Credit Agreement, paid distributions of $25.1 million to noncontrolling interests, incurred $3.3 million in deferred financing costs and purchased $1.4 million in HEP common units in the open market for recipients of its restricted unit grants. During the six months ended June 30, 2010, we received and repaid $310 million in advances under the HollyFrontier Credit Agreement, paid $0.4 million under our financing obligation to Plains, paid $15.9 million in dividends, purchased $1.3 million in common stock from employees to provide funds for the payment of payroll and income taxes due upon the vesting of certain share-based incentive awards, received a $5 million contribution from our UNEV Pipeline joint venture partner and recognized $1.3 million in excess tax expense on our equity based compensation. During the six months ended June 30, 2010, HEP received $147.5 million in net proceeds upon the issuance of the HEP 8.25% Senior Notes, received $39 million and repaid $90 million under the HEP Credit Agreement, paid distributions of $23.9 million to noncontrolling interests and purchased $2.3 million in HEP common units in the open market for recipients of its restricted unit grants. Additionally, $2.7 million in deferred financing costs were incurred in connection with the issuance of the HEP 8.25% Senior Notes in March 2010 and an amendment to the HollyFrontier Credit Agreement.

Contractual Obligations and Commitments

HollyFrontier Corporation

There were no significant changes to our contractual obligations during the six months ended June 30, 2011.

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HEP

During the six months ended June 30, 2011, HEP received net advances of $27 million resulting in $186 million of outstanding borrowings under the HEP Credit Agreement at June 30, 2011.

There were no other significant changes to HEP’s long-term contractual obligations during this period.

CRITICAL ACCOUNTING POLICIES

Our discussion and analysis of our financial condition and results of operations are based upon our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States. The preparation of these financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities as of the date of the financial statements. Actual results may differ from these estimates under different assumptions or conditions.

Our significant accounting policies are described in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations – Critical Accounting Policies” in our Annual Report on Form 10-K for the year ended December 31, 2010. Certain critical accounting policies that materially affect the amounts recorded in our consolidated financial statements are the use of the LIFO method of valuing certain inventories, the amortization of deferred costs for regular major maintenance and repairs at our refineries, assessing the possible impairment of certain long-lived assets, and assessing contingent liabilities for probable losses. There have been no changes to these policies in 2011.

We use the LIFO method of valuing inventory. Under the LIFO method, an actual valuation of inventory can only be made at the end of each year based on the inventory levels. Accordingly, interim LIFO calculations are based on management’s estimates of expected year-end inventory levels and are subject to the final year-end LIFO inventory valuation.

RISK MANAGEMENT

We use certain strategies to reduce some commodity price and operational risks. We do not attempt to eliminate all market risk exposures when we believe that the exposure relating to such risk would not be significant to our future earnings, financial position, capital resources or liquidity or that the cost of eliminating the exposure would outweigh the benefit.

Commodity Price Risk Management

Our primary market risk is commodity price risk. We are exposed to market risks related to the volatility in crude oil and refined products, as well as volatility in the price of natural gas used in our refining operations.

We periodically enter into derivative contracts in the form of commodity price swaps to mitigate price exposure with respect to:

• our inventory positions;

• natural gas purchases;

• costs of crude oil;

• prices of refined products; and

• our refining margins.

As of June 30, 2011, we have outstanding commodity price swap contracts serving as economic hedges to protect the value of temporary inventory builds of 210,000 barrels against price volatility and to lock in the spread between WTS and WTI crude oil with respect to forecasted purchases of 3.5 million barrels of crude oil. These contracts are measured quarterly at fair value with offsetting adjustments (gains / losses) recorded directly to cost of products sold.

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Interest Rate Risk Management

HEP uses interest rate swaps to manage its exposure to interest rate risk.

As of June 30, 2011, HEP has an interest rate swap that hedges its exposure to the cash flow risk caused by the effects of LIBOR changes on a $155 million HEP Credit Agreement advance. This interest rate swap effectively converts $155 million of LIBOR based debt to fixed rate debt having an interest rate of 3.74% plus an applicable margin, currently 2.50%, which equaled an effective interest rate of 6.24% as of June 30, 2011. This interest rate swap contract has been designated as a cash flow hedge and matures in February 2013.

This contract initially hedged variable LIBOR interest on $171 million in outstanding HEP Credit Agreement debt. In May 2010, HEP repaid $16 million of the HEP Credit Agreement debt and also settled a corresponding portion of its interest rate swap agreement having a notional amount of $16 million for $1.1 million. Upon payment, HEP reduced its swap liability and reclassified a $1.1 million charge from accumulated other comprehensive loss to interest expense, representing the application of hedge accounting prior to settlement.

The following table presents balance sheet locations and related fair values of outstanding derivative instruments.

Derivative Instruments	Balance Sheet Location	Fair Value		Location of Offsetting Balance	Offsetting Amount
	(Dollars in thousands)
June 30, 2011
Derivative designated as cash flow hedging instrument:
Variable-to-fixed interest rate swap contract ($155 million LIBOR based debt interest payments)	Other long-term liabilities	$	8,472	Accumulated other comprehensive loss	$	8,472
Derivatives not designated as hedging instruments:
Variable-to-fixed commodity price swap contracts (various inventory positions)	Prepayments and other current assets	$	7,958	Cost of products sold (decrease)	$	7,958
Fixed/variable-to-variable/fixed commodity price contracts (various inventory positions)	Accrued liabilities	$	1,300	Cost of products sold (increase)	$	1,300
December 31, 2010
Derivatives designated as cash flow hedging instruments:
Variable-to-fixed commodity price swap contracts (forecasted volumes of natural gas purchases)	Accrued liabilities	$	38	Accumulated other comprehensive loss	$	38
Variable-to-fixed interest rate swap contract ($155 million LIBOR based debt interest payments)	Other long-term liabilities	$	10,026	Accumulated other comprehensive loss	$	10,026
Derivatives not designated as hedging instruments:
Fixed-to-variable rate swap contracts (various inventory positions)	Accrued liabilities	$	497	Cost of products sold (increase)	$	497

For the three and six months ended June 30, 2011, maturities and fair value adjustments attributable to our economic hedges resulted in a $3 million decrease and a $0.7 million increase, respectively, to costs of products sold.

For the three and six months ended June 30, 2010, HEP recognized $1.5 million in charges to interest expense as a result of fair value changes to interest rate swap contracts that were settled in the first quarter of 2010.

There was no ineffectiveness on the cash flow hedges during the periods covered in these consolidated financial statements.

Publicly available information is reviewed on the counterparties in order to review and monitor their financial stability and assess their ongoing ability to honor their commitments under the swap contracts. These counterparties are large financial institutions. We have not experienced, nor do we expect to experience, any difficulty in the counterparties honoring their commitments.

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The market risk inherent in our fixed-rate debt and positions is the potential change arising from increases or decreases in interest rates as discussed below.

At June 30, 2011, outstanding principal under the HollyFrontier 9.875% Senior Notes, HEP 6.25% Senior Notes and HEP 8.25% Senior Notes was $300 million, $185 million and $150 million, respectively. For these fixed rate notes, changes in interest rates will generally affect fair value of the debt, but not our earnings or cash flows. At June 30, 2011, the estimated fair values of the HollyFrontier 9.875% Senior Notes, HEP 6.25% Senior Notes and HEP 8.25% Senior Notes were $333.8 million, $184.1 million and $159.4 million, respectively. We estimate that a hypothetical 10% change in the yield-to-maturity rates applicable to these notes would result in a fair value change to the notes of approximately $12.7 million, $4.3 million and $6.2 million, respectively.

For the variable rate HEP Credit Agreement, changes in interest rates would affect cash flows, but not the fair value. At June 30, 2011, borrowings outstanding under the HEP Credit Agreement were $186 million. By means of its cash flow hedge, HEP has effectively converted the variable rate on $155 million of outstanding principal to a fixed rate of 6.24%. For the unhedged $31 million portion, a hypothetical 10% change in interest rates applicable to the HEP Credit Agreement would not materially affect cash flows.

At June 30, 2011, cash and cash equivalents included investments in investment grade, highly liquid investments with maturities of three months or less at the time of purchase and hence the interest rate market risk implicit in these cash investments is low. Due to the short-term nature of our cash and cash equivalents, a hypothetical 10% increase in interest rates would not have a material effect on the fair market value of our portfolio. Since we have the ability to liquidate this portfolio, we do not expect our operating results or cash flows to be materially affected by the effect of a sudden change in market interest rates on our investment portfolio.

Our operations are subject to normal hazards of operations, including fire, explosion and weather-related perils. We maintain various insurance coverages, including business interruption insurance, subject to certain deductibles. We are not fully insured against certain risks because such risks are not fully insurable, coverage is unavailable, or premium costs, in our judgment, do not justify such expenditures.

We have a risk management oversight committee that is made up of members from our senior management. This committee oversees our risk enterprise program, monitors our risk environment and provides direction for activities to mitigate identified risks that may adversely affect the achievement of our goals.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk

See “Risk Management” under “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

Reconciliations to Amounts Reported Under Generally Accepted Accounting Principles

Reconciliations of earnings before interest, taxes, depreciation and amortization (“EBITDA”) to amounts reported under generally accepted accounting principles in financial statements.

Earnings before interest, taxes, depreciation and amortization, which we refer to as EBITDA, is calculated as net income attributable to HollyFrontier stockholders plus (i) interest expense, net of interest income, (ii) income tax provision, and (iii) depreciation and amortization. EBITDA is not a calculation provided for under GAAP; however, the amounts included in the EBITDA calculation are derived from amounts included in our consolidated financial statements. EBITDA should not be considered as an alternative to net income or operating income as an indication of our operating performance or as an alternative to operating cash flow as a measure of liquidity. EBITDA is not necessarily comparable to similarly titled measures of other companies. EBITDA is presented here because it is a widely used financial indicator used by investors and analysts to measure performance. EBITDA is also used by our management for internal analysis and as a basis for financial covenants.

Set forth below is our calculation of EBITDA.

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(In thousands)
Net income attributable to HollyFrontier stockholders	$	192,235		$	66,162		$	276,929		$	38,068
Add income tax provision		111,961			39,654			160,972			22,982
Add interest expense		15,193			21,023			31,397			38,745
Subtract interest income		(657	)		(635	)		(742	)		(694	)
Add depreciation and amortization		31,832			28,824			63,140			56,581
EBITDA	$	350,564		$	155,028		$	531,696		$	155,682

Reconciliations of refinery operating information (non-GAAP performance measures) to amounts reported under generally accepted accounting principles in financial statements.

Refinery gross margin and net operating margin are non-GAAP performance measures that are used by our management and others to compare our refining performance to that of other companies in our industry. We believe these margin measures are helpful to investors in evaluating our refining performance on a relative and absolute basis.

We calculate refinery gross margin and net operating margin using net sales, cost of products and operating expenses, in each case averaged per produced barrel sold. These two margins do not include the effect of depreciation and amortization. Each of these component performance measures can be reconciled directly to our Consolidated Statements of Income.

Other companies in our industry may not calculate these performance measures in the same manner.

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Refinery Gross Margin

Refinery gross margin per barrel is the difference between average net sales price and average cost of products per barrel of produced refined products. Refinery gross margin for each of our refineries and for our three refineries on a consolidated basis is calculated as shown below.

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Average per produced barrel:
Navajo Refinery
Net sales	$	126.36	$	91.21	$	119.35	$	89.70
Less cost of products		104.24		82.08		100.30		82.50
Refinery gross margin	$	22.12	$	9.13	$	19.05	$	7.20
Woods Cross Refinery
Net sales	$	128.02	$	96.62	$	118.62	$	93.15
Less cost of products		99.79		74.26		94.95		74.48
Refinery gross margin	$	28.23	$	22.36	$	23.67	$	18.67
Tulsa Refinery
Net sales	$	129.11	$	90.93	$	122.65	$	88.74
Less cost of products		109.94		81.32		105.53		82.05
Refinery gross margin	$	19.17	$	9.61	$	17.12	$	6.69
Consolidated
Net sales	$	127.87	$	91.75	$	120.85	$	89.69
Less cost of products		106.45		80.74		102.16		81.26
Refinery gross margin	$	21.42	$	11.01	$	18.69	$	8.43

Net Operating Margin

Net operating margin per barrel is the difference between refinery gross margin and refinery operating expenses per barrel of produced refined products. Net operating margin for each of our refineries and for our three refineries on a consolidated basis is calculated as shown below.

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Average per produced barrel:
Navajo Refinery
Refinery gross margin	$	22.12	$	9.13	$	19.05	$	7.20
Less refinery operating expenses		5.17		4.61		5.71		4.88
Net operating margin	$	16.95	$	4.52	$	13.34	$	2.32
Woods Cross Refinery
Refinery gross margin	$	28.23	$	22.36	$	23.67	$	18.67
Less refinery operating expenses		6.16		5.30		6.29		5.74
Net operating margin	$	22.07	$	17.06	$	17.38	$	12.93
Tulsa Refinery
Refinery gross margin	$	19.17	$	9.61	$	17.12	$	6.69
Less refinery operating expenses		5.56		4.70		5.76		5.26
Net operating margin	$	13.61	$	4.91	$	11.36	$	1.43
Consolidated
Refinery gross margin	$	21.42	$	11.01	$	18.69	$	8.43
Less refinery operating expenses		5.48		4.74		5.80		5.17
Net operating margin	$	15.94	$	6.27	$	12.89	$	3.26

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Below are reconciliations to our Consolidated Statements of Income for (i) net sales, cost of products and operating expenses, in each case averaged per produced barrel sold, and (ii) net operating margin and refinery gross margin. Due to rounding of reported numbers, some amounts may not calculate exactly.

Reconciliations of refined product sales from produced products sold to total sales and other revenues

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(Dollars in thousands, except per barrel amounts)
Navajo Refinery
Average sales price per produced barrel sold	$	126.36		$	91.21		$	119.35		$	89.70
Times sales of produced refined products sold (BPD)		94,340			93,040			87,130			90,000
Times number of days in period		91			91			181			181
Refined product sales from produced products sold	$	1,084,793		$	772,242		$	1,882,213		$	1,461,213
Woods Cross Refinery
Average sales price per produced barrel sold	$	128.02		$	96.62		$	118.62		$	93.15
Times sales of produced refined products sold (BPD)		27,600			29,070			27,130			28,620
Times number of days in period		91			91			181			181
Refined product sales from produced products sold	$	321,535		$	255,596		$	582,487		$	482,537
Tulsa Refinery
Average sales price per produced barrel sold	$	129.11		$	90.93		$	122.65		$	88.74
Times sales of produced refined products sold (BPD)		112,710			111,880			106,400			105,360
Times number of days in period		91			91			181			181
Refined product sales from produced products sold	$	1,324,231		$	925,766		$	2,362,043		$	1,692,286
Sum of refined product sales from produced products sold from our three refineries (1)	$	2,730,559		$	1,953,604		$	4,826,743		$	3,636,036
Add refined product sales from purchased products and rounding (2)		63,038			27,296			138,659			68,680
Total refined product sales		2,793,597			1,980,900			4,965,402			3,704,716
Add direct sales of excess crude oil (3)		138,492			114,155			273,901			249,017
Add other refining segment revenue (4)		21,137			42,306			29,015			50,801
Total refining segment revenue		2,953,226			2,137,361			5,268,318			4,004,534
Add HEP segment sales and other revenues		50,940			45,483			95,945			86,172
Add corporate and other revenues		153			150			801			217
Subtract consolidations and eliminations		(37,186	)		(37,134	)		(71,346	)		(70,773	)
Sales and other revenues	$	2,967,133		$	2,145,860		$	5,293,718		$	4,020,150

(1) The above calculations of refined product sales from produced products sold can also be computed on a consolidated basis. These amounts may not calculate exactly due to rounding of reported numbers.

(2) We purchase finished products when opportunities arise that provide a profit on the sale of such products, or to meet delivery commitments.

(3) We purchase crude oil that at times exceeds the supply needs of our refineries. Quantities in excess of our needs are sold at market prices to purchasers of crude oil that are recorded on a gross basis with the sales price recorded as revenues and the corresponding acquisition cost as inventory and then upon sale as cost of products sold. Additionally, we enter into buy/sell exchanges of crude oil with certain parties to facilitate the delivery of quantities to certain locations that are netted at carryover cost.

(4) Other refining segment revenue includes the revenues associated with NK Asphalt and revenue derived from feedstock and sulfur credit sales.

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	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(Dollars in thousands, except per barrel amounts)
Average sales price per produced barrel sold	$	127.87	$	91.75	$	120.85	$	89.69
Times sales of produced refined products sold (BPD)		234,650		233,990		220,660		223,980
Times number of days in period		91		91		181		181
Refined product sales from produced products sold	$	2,730,559	$	1,953,604	$	4,826,743	$	3,636,036

Reconciliation of average cost of products per produced barrel sold to total cost of products sold

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(Dollars in thousands, except per barrel amounts)
Navajo Refinery
Average cost of products per produced barrel sold	$	104.24		$	82.08		$	100.30		$	82.50
Times sales of produced refined products sold (BPD)		94,340			93,040			87,130			90,000
Times number of days in period		91			91			181			181
Cost of products for produced products sold	$	894,894		$	694,942		$	1,581,784		$	1,343,925
Woods Cross Refinery
Average cost of products per produced barrel sold	$	99.79		$	74.26		$	94.95		$	74.48
Times sales of produced refined products sold (BPD)		27,600			29,070			27,130			28,620
Times number of days in period		91			91			181			181
Cost of products for produced products sold	$	250,633		$	196,445		$	466,255		$	385,823
Tulsa Refinery
Average cost of products per produced barrel sold	$	109.94		$	81.32		$	105.53		$	82.05
Times sales of produced refined products sold (BPD)		112,710			111,880			106,400			105,360
Times number of days in period		91			91			181			181
Cost of products for produced products sold	$	1,127,612		$	827,925		$	2,032,339		$	1,564,707
Sum of cost of products for produced products sold from our three refineries (1)	$	2,273,139		$	1,719,312		$	4,080,378		$	3,294,455
Add refined product costs from purchased products sold and rounding (2)		64,110			27,827			139,583			69,329
Total refined cost of products sold		2,337,249			1,747,139			4,219,961			3,363,784
Add crude oil cost of direct sales of excess crude oil (3)		135,981			112,885			268,861			246,552
Add other refining segment cost of products sold (4)		10,205			24,738			12,539			30,859
Total refining segment cost of products sold		2,483,435			1,884,762			4,501,361			3,641,195
Subtract consolidations and eliminations		(36,340	)		(36,550	)		(69,649	)		(69,119	)
Costs of products sold (exclusive of depreciation and amortization)	$	2,447,095		$	1,848,212		$	4,431,712		$	3,572,076

(1) The above calculations of cost of products for produced products sold can also be computed on a consolidated basis. These amounts may not calculate exactly due to rounding of reported numbers.

(2) We purchase finished products when opportunities arise that provide a profit on the sale of such products, or to meet delivery commitments.

(3) We purchase crude oil that at times exceeds the supply needs of our refineries. Quantities in excess of our needs are sold at market prices to purchasers of crude oil that are recorded on a gross basis with the sales price recorded as revenues and the corresponding acquisition cost as inventory and then upon sale as cost of products sold. Additionally, we enter into buy/sell exchanges of crude oil with certain parties to facilitate the delivery of quantities to certain locations that are netted at carryover cost.

(4) Other refining segment cost of products sold includes the cost of products for NK Asphalt and costs attributable to feedstock and sulfur credit sales.

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	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(Dollars in thousands, except per barrel amounts)
Average cost of products per produced barrel sold	$	106.45	$	80.74	$	102.16	$	81.26
Times sales of produced refined products sold (BPD)		234,650		233,990		220,660		223,980
Times number of days in period		91		91		181		181
Cost of products for produced products sold	$	2,273,139	$	1,719,312	$	4,080,378	$	3,294,455

Reconciliation of average refinery operating expenses per produced barrel sold to total operating expenses

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(Dollars in thousands, except per barrel amounts)
Navajo Refinery
Average refinery operating expenses per produced barrel sold	$	5.17		$	4.61		$	5.71		$	4.88
Times sales of produced refined products sold (BPD)		94,340			93,040			87,130			90,000
Times number of days in period		91			91			181			181
Refinery operating expenses for produced products sold	$	44,384		$	39,031		$	90,050		$	79,495
Woods Cross Refinery
Average refinery operating expenses per produced barrel sold	$	6.16		$	5.30		$	6.29		$	5.74
Times sales of produced refined products sold (BPD)		27,600			29,070			27,130			28,620
Times number of days in period		91			91			181			181
Refinery operating expenses for produced products sold	$	15,471		$	14,020		$	30,887		$	29,734
Tulsa Refinery
Average refinery operating expenses per produced barrel sold	$	5.56		$	4.70		$	5.76		$	5.26
Times sales of produced refined products sold (BPD)		112,710			111,880			106,400			105,360
Times number of days in period		91			91			181			181
Refinery operating expenses for produced products sold	$	57,027		$	47,851		$	110,928		$	100,309
Sum of refinery operating expenses per produced products sold from our three refineries (1)	$	116,882		$	100,902		$	231,865		$	209,538
Add other refining segment operating expenses and rounding (2)		8,399			6,549			15,495			12,507
Total refining segment operating expenses		125,281			107,451			247,360			222,045
Add HEP segment operating expenses		14,366			13,495			27,162			26,555
Add corporate and other costs		(168	)		12			(174	)		18
Subtract consolidations and eliminations		(134	)		(127	)		(260	)		(243	)
Operating expenses (exclusive of depreciation and amortization)	$	139,345		$	120,831		$	274,088		$	248,375

(1) The above calculations of refinery operating expenses from produced products sold can also be computed on a consolidated basis. These amounts may not calculate exactly due to rounding of reported numbers.

(2) Other refining segment operating expenses include the marketing costs associated with our refining segment and the operating expenses of NK Asphalt.

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(Dollars in thousands, except per barrel amounts)
Average refinery operating expenses per produced barrel sold	$	5.48	$	4.74	$	5.80	$	5.17
Times sales of produced refined products sold (BPD)		234,650		233,990		220,660		223,980
Times number of days in period		91		91		181		181
Refinery operating expenses for produced products sold	$	116,882	$	100,902	$	231,865	$	209,538

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Reconciliation of net operating margin per barrel to refinery gross margin per barrel to total sales and other revenues

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(Dollars in thousands, except per barrel amounts)
Navajo Refinery
Net operating margin per barrel	$	16.95		$	4.52		$	13.34		$	2.32
Add average refinery operating expenses per produced barrel		5.17			4.61			5.71			4.88
Refinery gross margin per barrel		22.12			9.13			19.05			7.20
Add average cost of products per produced barrel sold		104.24			82.08			100.30			82.50
Average sales price per produced barrel sold	$	126.36		$	91.21		$	119.35		$	89.70
Times sales of produced refined products sold (BPD)		94,340			93,040			87,130			90,000
Times number of days in period		91			91			181			181
Refined product sales from produced products sold	$	1,084,793		$	772,242		$	1,882,213		$	1,461,213
Woods Cross Refinery
Net operating margin per barrel	$	22.07		$	17.06		$	17.38		$	12.93
Add average refinery operating expenses per produced barrel		6.16			5.30			6.29			5.74
Refinery gross margin per barrel		28.23			22.36			23.67			18.67
Add average cost of products per produced barrel sold		99.79			74.26			94.95			74.48
Average sales price per produced barrel sold	$	128.02		$	96.62		$	118.62		$	93.15
Times sales of produced refined products sold (BPD)		27,600			29,070			27,130			28,620
Times number of days in period		91			91			181			181
Refined product sales from produced products sold	$	321,535		$	255,596		$	582,487		$	482,537
Tulsa Refinery
Net operating margin per barrel	$	13.61		$	4.91		$	11.36		$	1.43
Add average refinery operating expenses per produced barrel		5.56			4.70			5.76			5.26
Refinery gross margin per barrel		19.17			9.61			17.12			6.69
Add average cost of products per produced barrel sold		109.94			81.32			105.53			82.05
Average sales price per produced barrel sold	$	129.11		$	90.93		$	122.65		$	88.74
Times sales of produced refined products sold (BPD)		112,710			111,880			106,400			105,360
Times number of days in period		91			91			181			181
Refined product sales from produced products sold	$	1,324,231		$	925,766		$	2,362,043		$	1,692,286
Sum of refined product sales from produced products sold from our three refineries (1)	$	2,730,559		$	1,953,604		$	4,826,743		$	3,636,036
Add refined product sales from purchased products and rounding (2)		63,038			27,296			138,659			68,680
Total refined product sales		2,793,597			1,980,900			4,965,402			3,704,716
Add direct sales of excess crude oil (3)		138,492			114,155			273,901			249,017
Add other refining segment revenue (4)		21,137			42,306			29,015			50,801
Total refining segment revenue		2,953,226			2,137,361			5,268,318			4,004,534
Add HEP segment sales and other revenues		50,940			45,483			95,945			86,172
Add corporate and other revenues		153			150			801			217
Subtract consolidations and eliminations		(37,186	)		(37,134	)		(71,346	)		(70,773	)
Sales and other revenues	$	2,967,133		$	2,145,860		$	5,293,718		$	4,020,150

(1) The above calculations of refined product sales from produced products sold can also be computed on a consolidated basis. These amounts may not calculate exactly due to rounding of reported numbers.

(2) We purchase finished products when opportunities arise that provide a profit on the sale of such products or to meet delivery commitments.

(3) We purchase crude oil that at times exceeds the supply needs of our refineries. Quantities in excess of our needs are sold at market prices to purchasers of crude oil that are recorded on a gross basis with the sales price recorded as revenues and the corresponding acquisition cost as inventory and then upon sale as cost of products sold. Additionally, we enter into buy/sell exchanges of crude oil with certain parties to facilitate the delivery of quantities to certain locations that are netted at carryover cost.

(4) Other refining segment revenue includes the revenues associated with NK Asphalt and revenue derived from feedstock and sulfur credit sales.

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	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(Dollars in thousands, except per barrel amounts)
Net operating margin per barrel	$	15.94	$	6.27	$	12.89	$	3.26
Add average refinery operating expenses per produced barrel		5.48		4.74		5.80		5.17
Refinery gross margin per barrel		21.42		11.01		18.69		8.43
Add average cost of products per produced barrel sold		106.45		80.74		102.16		81.26
Average sales price per produced barrel sold	$	127.87	$	91.75	$	120.85	$	89.69
Times sales of produced refined products sold (BPD)		234,650		233,990		220,660		223,980
Times number of days in period		91		91		181		181
Refined product sales from produced products sold	$	2,730,559	$	1,953,604	$	4,826,743	$	3,636,036

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Item 4. Controls and Procedures

Evaluation of disclosure controls and procedures. Our principal executive officer and principal financial officer have evaluated, as required by Rule 13a-15(b) under the Securities Exchange Act of 1934 (the “Exchange Act”), our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this Quarterly Report on Form 10-Q. Our disclosure controls and procedures are designed to provide reasonable assurance that the information we are required to disclose in the reports that we file or submit under the Exchange Act 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 and is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms. Based upon the evaluation, our principal executive officer and principal financial officer have concluded that our disclosure controls and procedures were effective as of June 30, 2011.

Changes in internal control over financial reporting. There have been no changes in our internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act) that occurred during our last fiscal quarter that have materially affected or are reasonably likely to materially affect our internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

Commitment and Contingency Reserves

When deemed necessary, we establish reserves for certain legal proceedings. The establishment of a reserve involves an estimation process that includes the advice of legal counsel and subjective judgment of management. While management believes these reserves to be adequate, future changes in the facts and circumstances could result in the actual liability exceeding the estimated ranges of loss and amounts accrued.

While the outcome and impact on us cannot be predicted with certainty, management believes that the resolution of these proceedings through settlement or adverse judgment will not have a material adverse effect on our consolidated financial position or cash flow. Operating results, however, could be significantly impacted in the reporting periods in which such matters are resolved.

SFPP Litigation

a. The Early Complaint Cases

In May 2007, the United States Court of Appeals for the District of Columbia Circuit (“Court of Appeals”) issued its decision on petitions for review, brought by us and other parties, concerning rulings by the FERC in proceedings brought by us and other parties against SFPP. These proceedings relate to tariffs of common carrier pipelines, which are owned and operated by SFPP, for shipments of refined products from El Paso, Texas to Tucson and Phoenix, Arizona and from points in California to points in Arizona. We are one of several refiners that regularly utilize the SFPP pipeline to ship refined products from El Paso, Texas to Tucson and Phoenix, Arizona on SFPP’s East Line. The Court of Appeals in its May 2007 decision approved a FERC position, which is adverse to us, on the treatment of income taxes in the calculation of allowable rates for pipelines operated as limited partnerships and ruled in our favor on an issue relating to our rights to reparations when it is determined that certain tariffs we paid to SFPP in the past were too high. The case was remanded to FERC and consolidated with other cases that together addressed SFPP’s rates for the period from January 1992 through May 2006. In 2003 we received an initial payment of $15.3 million from SFPP as reparations for the period from 1992 through July 2000. On April 16, 2010, a settlement among us, SFPP, and other shippers was filed with FERC for its approval. FERC approved the settlement on May 28, 2010. Pursuant to the settlement, we received an additional settlement payment of $8.6 million. This settlement finally resolves the amount of additional payments SFPP owes us for the period January 1992 through May 2006.

b. Other Settlements

We and other shippers also engaged in settlement discussions with SFPP relating to East Line service in the FERC proceedings that address periods after May 2006. A partial settlement regarding the East Line’s Phase I expansion rates covering the period June 2006 through November 2007, which became final in February 2008, resulted in a payment from SFPP to us of $1.3 million in April 2008. On October 22, 2008, we and other shippers jointly filed at the FERC with SFPP a settlement regarding the East Line’s Phase II expansion rates covering the period from December 2007 through November 2010. The FERC approved the settlement on January 29, 2009. The settlement reduced SFPP’s current rates and required SFPP to make additional payments to us of $2.9 million, which were received on May 18, 2009.

c. The Latest Rate Proceeding

On June 2, 2009, SFPP notified us that it would terminate the October 22, 2008 settlement, as provided under the settlement, effective August 31, 2009. On July 31, 2009, SFPP filed substantial rate increases for East Line service to become effective September 1, 2009. We and several other shippers filed protests at the FERC, challenging the rate increase and asking the FERC to suspend the effectiveness of the increased rates. On August 31, 2009, the FERC issued an order suspending the effective date of the rate increase until January 1,

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2010, on which date the rate increase was placed into effect subject to refund, and setting the rate increase for a full evidentiary hearing. The hearing was held from June 29, 2010 to August 2, 2010. On September 15, 2010, the FERC approved an interim partial settlement pursuant to which SFPP reduced its rates for the East Line service, effective September 1, 2010. The rates placed in effect on January 1, 2010, and the lower rates put into effect on September 1, 2010, remain subject to refund subject to the outcome of the evidentiary hearing. On February 10, 2011, the Administrative Law Judge that presided over the evidentiary hearing issued an initial decision holding that certain elements of SFPP’s rate increases are unjust and unreasonable. The initial decision is subject to review by the FERC and the courts. We are not in a position to predict the ultimate outcome of the rate proceeding.

Cut Bank Hill Environmental Claims

Prior to the sale by Holly Corporation of the Montana Refining Company (“MRC”) assets in 2006, MRC, along with other companies was the subject of several environmental claims at the Cut Bank Hill site in Montana. These claims include: (1) a U.S. Environmental Protection Agency administrative order requiring MRC and other companies to undertake cleanup actions; (2) a U.S. Coast Guard claim against MRC and other companies for response costs of $0.3 million in connection with its cleanup efforts at the Cut Bank Hill site; and (3) a unilateral order by the Montana Department of Environmental Quality (“MDEQ”) directing MRC and other companies to complete a remedial investigation and a request by the MDEQ that MRC and other companies pay $0.2 million to reimburse the State’s costs for remedial actions. MRC has denied responsibility for the requested EPA and the MDEQ cleanup actions and the MDEQ and Coast Guard response costs. MRC is considering an invitation by the other companies to participate in the group based on an allocation of 9.16 percent of the group’s past and ongoing investigation and other costs.

Navajo Tank Fire

On March 2, 2010, a tank caught fire while under construction. At the time of the incident, four individuals were working on top of the tank. These individuals were all employees of a third-party contractor who was placing insulation on the tank. Two individuals sustained injuries and two individuals died as a result of the incident. Two wrongful death lawsuits and two personal injury lawsuits seeking damages, including punitive damages, were filed on behalf of the estates of the two deceased workers and on behalf of the two survivors in state court in Dallas County, Texas (two lawsuits) and state court in Eddy County, New Mexico (two lawsuits). A confidential settlement has been reached in the two Texas cases, and the Texas cases were dismissed on August 4, 2011. One of the cases in New Mexico is set for trial in March of 2012. The other case is not set for trial. At the date of this report, it is not possible to predict the percentage of fault that may be attributed to Navajo, though fault can be expected. This matter is being reported due to the serious nature of the injuries and potential verdicts. Because of our insurance coverage, the total cost to the Company for these cases is not expected to be material.

New Mexico OHSB Complaint — Navajo Tank Fire

On March 3, 2010, the New Mexico Occupational Health and Safety Bureau (“OHSB”), the New Mexico regulatory agency responsible for enforcing certain state occupational health and safety regulations, which are identical to Federal Occupational Safety and Health Administration (“OSHA”) regulations, commenced an inspection in relation to the tank fire that took place on March 2, 2010 at the Navajo facility in Artesia, New Mexico. On August 31, 2010, OHSB issued two citations to Navajo Refining Company, LLC (“Navajo”), alleging 10 willful violations and 1 serious violation of various construction safety standards. OHSB proposed penalties in the amount of $0.7 million. Navajo filed a notice of contest, challenging the citations. An informal administrative review of the citations took place on November 17, 2010, at which time counsel for the parties discussed possible settlement options. The parties were unable to reach an agreement. Thus, OHSB filed an administrative complaint with New Mexico’s Occupational Health and Safety Review Commission (“OHSRC”) on December 20, 2010. Navajo will challenge the citations before the OHSRC, and filed its answer to the complaint on January 6, 2011. Discovery is under way at this time. OHSRC granted the parties’ joint request that a hearing commence no sooner than September 5, 2011, but the specific hearing date has not yet been established.

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OSHA Inspections — Tulsa Refinery

In June 2007, OSHA announced a national emphasis program (“NEP”) for inspecting approximately 80 refineries within its jurisdiction. As part of the NEP, OSHA conducted an inspection of Sinclair Tulsa Refining Company’s (“Sinclair Tulsa”) refinery in Tulsa, Oklahoma (our Tulsa Refinery east facility) from February 4, 2009 through August 3, 2009. On August 4, 2009, OSHA issued two citations to Sinclair Tulsa, alleging 51 serious violations and 1 willful violation of various safety standards including the Process Safety Management (“PSM”) standard and the General Duty Clause. OSHA proposed penalties totaling $0.2 million. Sinclair filed a notice of contest, challenging the citations.

Our subsidiary, Holly Refining & Marketing — Tulsa LLC (“HRM-Tulsa”), entered into an Asset Sale & Purchase Agreement (the “Agreement”) with Sinclair Tulsa dated October 19, 2009 to acquire the Tulsa Refinery east facility, and the sale closed on December 1, 2009. HRM-Tulsa intervened in the case against Sinclair Tulsa pending before the OHSRC shortly after the sale closed. Under the terms of the Agreement, Sinclair retains responsibility for defending the OSHA citations and paying any penalties, and HRM-Tulsa has the discretion to select the means and methods of improving the PSM program. HRM-Tulsa has evaluated the feasibility of various PSM program improvements and developed a plan to implement a number of safety enhancements at the Tulsa Refinery east facility. HRM-Tulsa management presented its safety improvement plan to OSHA and OSHA approved the plan. HRM-Tulsa and OSHA negotiated a settlement agreement which memorializes OSHA’s approval of the safety improvement plan. The settlement agreement between HRM-Tulsa and OSHA was filed with the OHSRC on August 11, 2010. On August 23, 2010, the OHSRC entered an order approving both the settlement agreement between Sinclair Tulsa and OSHA and the agreement between HRM-Tulsa and OSHA.

OSHA conducted an inspection of our Tulsa Refinery west facility from January 20, 2010 through June 9, 2010. On July 12, 2010, OSHA issued a citation, alleging 10 serious violations of various safety standards, including the PSM standard. OSHA proposed penalties totaling $57,150. HRM-Tulsa filed a notice of contest, and challenged each citation item. The matter has been assigned to Judge Patrick B. Augustine. Discovery is in progress. The parties met to discuss settlement options on July 7, 2011. Although they were unable to reach an agreement at the meeting, the parties have continued to engage in settlement discussions. If a settlement cannot be reached, the hearing in this matter is scheduled to begin on October 25, 2011.

OSHA began the NEP inspection of our Tulsa Refinery west facility on September 14, 2010. On March 14, 2011, OSHA issued a citation alleging 15 serious violations of federal workplace standards. OSHA proposed penalties totaling $62,500. On April 4, 2011 a settlement was reached that was favorable to HRM-Tulsa and the penalty was reduced to $31,750.

On March 28, 2011, OSHA issued a serious citation to HRM-Tulsa with respect to the Tulsa west facility, alleging one facility siting and two housekeeping violations, which stemmed from its investigation of an employee complaint that it received during the NEP inspection. OSHA proposed penalties of $6,275. HRM Tulsa engaged in informal settlement negotiations with OSHA, but was unable to reach a resolution and filed its notice of contest, challenging each citation item, on April 15, 2011. Discovery is underway. Judge John H. Schumacher is presiding over this matter, and he has scheduled the hearing to commence January 10, 2012.

Discharge Permit Appeal — Tulsa Refinery West Facility

Our subsidiary, HRM-Tulsa is party to parallel Oklahoma administrative and state district court proceedings involving a challenge to the terms of the Oklahoma Department of Environmental Quality (“ODEQ”) permit that governs the discharge of industrial wastewater from our Tulsa Refinery west facility. Pursuant to a settlement agreement between HRM-Tulsa and ODEQ, both proceedings have been stayed to allow ODEQ to issue a revised permit that modifies the existing permit’s requirements for toxicity testing and for managing storm flows. The parties are now in discussions regarding the appropriate changes in the permit language to accomplish these modifications. Once agreed-upon revisions are made and become effective, both proceedings will be dismissed. Any changes to refinery processes that result from the permit revisions are subject to regulatory review and approval. Accordingly, it is not possible to estimate the costs of compliance with the new permit provisions at this time.

- 59 -

Clean Air Act Notice of Violation — Tulsa Refinery East and West Facilities

HRM Tulsa received a notification from the ODEQ that the agency intends to seek a fine of $192,500 for alleged violations of the Clean Air Act at the Tulsa Refinery West Facility. The ODEQ’s primary area of concern is the number of valves that the facility has classed as “Difficult to Monitor.” The agency maintains that no more than 3% of valves can be so designated. HRM Tulsa interprets the applicable regulation as instead only imposing the 3% cap on new units. The parties have asked for a formal regulatory interpretation from the Environmental Protection Agency to assist them in resolving the dispute. HRM Tulsa believes that even if the ODEQ’s interpretation is correct, the proposed fine is excessive. The Company will seek to have the fine reduced. The same notification also disclosed the agency’s intent to seek a separate fine of $17,500 for alleged Clean Air Act violations at the Tulsa Refinery East Facility. These alleged violations include a failure to conduct monthly monitoring of components previously found to be leaking and the discovery of three open ended lines, one of which was alleged to be leaking at the time of discovery. HRM Tulsa is currently in discussions with ODEQ regarding the alleged violations at the East Facility and believes that the proposed fine will be substantially reduced. However, it is not possible at this point to estimate what amount, if any, will ultimately be assessed for any of the foregoing items.

Litigation Related to the Merger with Frontier Oil Corporation

Twelve substantially similar shareholder lawsuits styled as class actions have been filed by alleged Frontier shareholders challenging our proposed “merger of equals” with Frontier and naming as defendants Frontier, its board of directors and, in certain instances, Holly and our then wholly owned subsidiary, North Acquisition, Inc., as aiders and abettors. Further, in the three federal court cases discussed more fully below, we and/or North Acquisition, Inc. also are alleged to have violated Section 14(a) of the Exchange Act of 1934 by soliciting proxies based on an allegedly false and/or misleading proxy statement concerning the proposed merger. To date, such shareholder actions have been filed in Harris County, Texas, Laramie County, Wyoming, the U.S. District Court for the Northern District of Texas, and the U.S. District Court for the Southern District of Texas.

The lawsuits filed in the District Courts of Harris County, Texas are entitled: Adam Walker, Individually and On Behalf of All Others Similarly Situated vs. Frontier Oil Corporation, et al. (filed February 22, 2011), Andrew Goldberg, on Behalf of Himself and All Other Similarly Situated Shareholders of Frontier Oil Corporation v. Frontier Oil Corporation, et al. (filed February 24, 2011), L.A. Murphy, On Behalf of Herself and All Others Similarly Situated v. Paul B. Loyd, Jr., et al. (filed February 24, 2011), Zhixin Huang v. Frontier Oil Corp., et al. (filed February 24, 2011), Robert Pettigrew, individually and on behalf of all others similarly situated v. Frontier Oil Corporation, et al. (filed February 25, 2011), Walter E. Ryan, Jr., On Behalf of Himself and All Others Similarly Situated v. Frontier Oil Corporation, et al. (filed February 25, 2011), Christopher Borrelli, Individually and on Behalf of All Others Similarly Situated v. Frontier Oil Corporation, et al. (filed March 2, 2011), and Randy Whitman, Individually and on behalf of all others similarly situated v. Frontier Oil Corporation, et al. (filed on March 8, 2011). The lawsuit filed in the District Court of Laramie County, Wyoming is entitled Thomas Greulich, Individually and on Behalf of All Others Similarly Situated v. Frontier Oil Corporation, et al. (filed March 1, 2011). The lawsuit filed in the U.S. District Court for the Northern District of Texas is entitled Angelo Chiarelli, On Behalf of Himself and All Others Similarly Situated v. Holly Corporation, et al. (filed on March 2, 2011). The lawsuits filed in the U.S. District Court for the Southern District of Texas are entitled Tim Wilcox, Individually and on behalf of all others similarly situated v. Frontier Oil Corporation, et al. (filed on March 7, 2011), and Jackie A. Rhymes, individually and on behalf of others similarly situated v. Michael Jennings, et al. (filed on March 17, 2011).

These lawsuits generally allege that (1) the consideration to be received by Frontier’s shareholders in the merger is inadequate, (2) the Frontier directors breached their fiduciary duties by, among other things, approving the merger at an inadequate price under circumstances involving certain alleged conflicts of interest, (3) the merger agreement includes preclusive deal protection provisions, and (4) Frontier, and in some cases we and North Acquisition, Inc., aided and abetted Frontier’s board of directors in breaching its fiduciary duties to Frontier’s shareholders. The shareholder actions seek various remedies, including enjoining the transaction from being consummated in accordance with its agreed-upon terms, compensatory damages, and costs and disbursements relating to the lawsuits.

- 60 -

In the cases pending in Texas state court, on March 21, 2011, plaintiff in the Walker lawsuit filed an amended petition alleging that Frontier’s current directors also breached their fiduciary duties by failing to disclose material information or making materially inadequate disclosures concerning the proposed merger in the registration statement on Form S-4. On March 25, 2011, the lawsuits pending in the District Court of Harris County, Texas, were consolidated under the style In re: Frontier Oil Corp., Cause No. 2011-11451, and interim class counsel was appointed on April 12, 2011. On May 9, 2011, Holly answered the consolidated amended petition, generally denying the allegations and asserting affirmative defenses. Some limited discovery occurred.

On June 17, 2011, the defendants in the consolidated state court lawsuit reached an agreement-in-principle with the plaintiffs regarding the settlement of that lawsuit. In connection with the settlement, certain additional disclosures were made to Frontier’s shareholders on June 20, 2011. The parties contemplate that the agreement-in-principle will be documented by the parties, that the written agreement will contain customary provisions and further agree that approval of the settlement must, and will, be sought from the court following notice to the shareholders of Frontier and consummation of the merger. In connection with the approval of the settlement, a hearing will be scheduled at which the court will consider the fairness, reasonableness and adequacy of the settlement which, if finally approved by the court, will resolve all of the claims that were or could have been brought in the actions being settled, including all claims relating to the merger, the merger agreement and any disclosure made in connection therewith. In addition, in connection with the settlement, the parties contemplate that plaintiff’s counsel will petition the court for an award of attorneys’ fees and expenses to be paid by the defendants. We cannot be certain that the parties will ultimately enter into a written settlement agreement or that the court will approve the settlement even if the parties were to enter into such an agreement. If the court does not approve the settlement, the proposed settlement as contemplated by the agreement-in-principle may be terminated.

The settlement will not affect the amount of merger consideration paid in the merger.

With respect to the federal lawsuits, on June 22, 2011 the United States District Court for the Southern District of Texas granted the plaintiffs’ motion to consolidate the Wilcox and Rhymes cases. In addition to the claims described in general above, these lawsuits also allege that the defendants violated Sections 14(a) and 20(a) of the Exchange Act by making untrue statements of material fact and omitting to state material facts necessary to make the statements that were made not misleading in the registration statement on Form S-4. On April 21, 2011, we and our wholly owned subsidiary moved to dismiss the amended class action complaints filed in the Wilcox and Rhymes cases. That motion remains pending.

On May 6, 2011, we also moved to dismiss the original class action complaint filed in the Chiarelli case; our subsidiary was not named as a defendant in that action. Rather than respond to that motion, the plaintiff sought and obtained the court’s permission to file an amended complaint, which was filed on June 29, 2011. On July 29, 2011, the parties filed an agreed motion to stay the Chiarelli case so that the proposed settlement in the consolidated state court action could be considered and resolved by the court in Harris County. That motion was granted on August 4, 2011.

On June 22, 2011, the plaintiffs in the Wilcox and Rhymes cases filed a motion for a temporary restraining order and preliminary injunction to enjoin the proposed merger and to prevent Frontier’s shareholders from voting on the proposed merger at a shareholders meeting on June 28, 2011. After a hearing on June 24, 2011, the court denied the plaintiffs’ motion. The federal lawsuits remain pending.

The defendants intend to vigorously defend these and any future lawsuits, as they believe that they have valid defenses to all claims and that the lawsuits are entirely without merit.

Unclaimed Property Audit

A multi-state audit of our unclaimed property compliance and reporting is being conducted by Kelmar Associates, LLC on behalf of eleven states. We are currently in the third year of this ongoing audit that covers the period 1981 — 2004. It is not yet possible to accurately estimate the amount, if any, that is owed to each of the states.

- 61 -

Other

We are a party to various other litigation and proceedings that we believe, based on advice of counsel, will not either individually or in the aggregate have a materially adverse impact on our financial condition, results of operations or cash flows. The legal proceedings included herein are as of June 30, 2011 and, thus, do not include legal proceedings for Frontier since the merger had not been consummated as of June 30, 2011.

Item 6. Exhibits

The Exhibit Index on page 63 of this Quarterly Report on Form 10-Q lists the exhibits that are filed or furnished, as applicable, as part of the Quarterly Report on Form 10-Q.

- 62 -

SIGNATURES

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

	HOLLYFRONTIER CORPORATION
	(Registrant)
Date: August 8, 2011		/s/ Douglas S. Aron
		Douglas S. Aron
		Executive Vice President and
		Chief Financial Officer
		(Principal Financial Officer)
		/s/ Scott C. Surplus
		Scott C. Surplus
		Vice President and Controller
		(Principal Accounting Officer)

- 63 -

Exhibit Index

Exhibit Number	Description
4.1+	First Supplemental Indenture, dated June 14, 2011, among Holly Corporation, the subsidiary guarantors named therein and U.S. Bank Trust National Association, as trustee, relating to HollyFrontier Corporation’s 9.875% Senior Notes due 2017.
10.1*	Second Amendment to the Holly Corporation Long-Term Incentive Compensation Plan (incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K filed May 18, 2011, File No. 1-03876).
31.1+	Certification of Chief Executive Officer under Section 302 of the Sarbanes-Oxley Act of 2002.
31.2+	Certification of Chief Financial Officer under Section 302 of the Sarbanes-Oxley Act of 2002.
32.1++	Certification of Chief Executive Officer under Section 906 of the Sarbanes-Oxley Act of 2002.
32.2++	Certification of Chief Financial Officer under Section 906 of the Sarbanes-Oxley Act of 2002.
101**	The following financial information from HollyFrontier Corporation’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2011, formatted in XBRL (Extensible Business Reporting Language): (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Income, (iii) Consolidated Statements of Cash Flows, (iv) Consolidated Statements of Comprehensive Income, and (v) Notes to the Consolidated Financial Statements.

+ Filed herewith.

++ Furnished herewith.

* Constitutes management contract or compensatory plan or arrangement.

** Furnished electronically herewith.

- 64 -

EX-4.1

Exhibit 4.1

FIRST SUPPLEMENTAL INDENTURE

FIRST SUPPLEMENTAL INDENTURE (this “First Supplemental Indenture”), dated as of June 14, 2011, among Eagle Consolidation LLC, a Delaware limited liability company (the “Guaranteeing Subsidiary”), a subsidiary of Holly Corporation (or its permitted successor), a Delaware corporation (the “Company”), the Company, the other Guarantors (as defined in the Indenture referred to herein) and U.S. Bank Trust National Association, as trustee under the Indenture referred to below (the “Trustee”).

W I T N E S S E T H

WHEREAS, the Company has heretofore executed and delivered to the Trustee an indenture (the “Indenture”), dated as of June 10, 2009, providing for the issuance of 9.875% Senior Notes due 2017 (the “Notes”);

WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally guarantee all of the Company’s Obligations under the Notes and the Indenture on the terms and conditions set forth herein (the “Subsidiary Guarantee”); and

WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee is authorized to execute and deliver this First Supplemental Indenture.

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Guaranteeing Subsidiary and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows:

1. CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

2. AGREEMENT TO GUARANTEE. The Guaranteeing Subsidiary hereby agrees to provide an unconditional guarantee on the terms and subject to the conditions set forth in the Subsidiary Guarantee and in the Indenture including but not limited to Article 10 thereof.

3. NO RECOURSE AGAINST OTHERS. No director, officer, employee, incorporator or owner of an Equity Interest of the Company or any Guarantor, as such, will have any liability for any obligations of the Company or the Guarantors under the Notes, this First Supplemental Indenture or the Subsidiary Guarantees or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder of the Notes by accepting a Note waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes.

4. NEW YORK LAW TO GOVERN. THE LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS FIRST SUPPLEMENTAL INDENTURE.

1

5. COUNTERPARTS. The parties may sign any number of copies of this First Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement.

6. EFFECT OF HEADINGS. The Section headings herein are for convenience only and shall not affect the construction hereof.

7. THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this First Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guaranteeing Subsidiary and the Company.

2

IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental Indenture to be duly executed and attested, all as of the date first above written.

GUARANTEEING SUBSIDIARY:
EAGLE CONSOLIDATION LLC
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
COMPANY:
HOLLY CORPORATION
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
EXISTING GUARANTORS:
HOLLY TRANSPORTATION LLC
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
HOLLY REFINING & MARKETING — TULSA LLC
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
BLACK EAGLE, INC.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer

Signature Page

First Supplemental Indenture

S-1

HOLLY PAYROLL SERVICES, INC.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
HOLLY PETROLEUM, INC.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
HOLLY REFINING & MARKETING COMPANY LLC
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
HOLLY REFINING & MARKETING COMPANY— WOODS CROSS LLC
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
HOLLY REFINING COMMUNICATIONS, INC.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
HOLLY UNEV PIPELINE COMPANY
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer

Signature Page

First Supplemental Indenture

S-2

HOLLY WESTERN ASPHALT COMPANY
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
LEA REFINING COMPANY
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
HRM Montana
f/k/a MONTANA REFINING COMPANY, a partnership
By:	Black Eagle, Inc., partner
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
By:	Navajo Northern, Inc., partner
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
MONTANA RETAIL COMPANY LLC
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
NAVAJO CRUDE OIL PURCHASING, INC.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer

Signature Page

First Supplemental Indenture

S-3

NAVAJO HOLDINGS, INC.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
NAVAJO NORTHERN, INC.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
NAVAJO PIPELINE GP, L.L.C.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
NAVAJO PIPELINE LP, L.L.C.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
NAVAJO PIPELINE CO., L.P.
By:	Navajo Pipeline GP, L.L.C., its general partner
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
NAVAJO REFINING COMPANY, L.L.C.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
NAVAJO REFINING GP, L.L.C.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer

Signature Page

First Supplemental Indenture

S-4

NAVAJO WESTERN ASPHALT COMPANY
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
NK ASPHALT PARTNERS
By:	Navajo Western Asphalt Company, partner
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
By:	Holly Western Asphalt Company, partner
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
HOLLY REALTY, LLC
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
HOLLYMARKS, LLC
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer
HRM REALTY, L.L.C.
By:	/s/ Stephen D. Wise
	Name:	Stephen D. Wise
	Title:	Vice President and Treasurer

Signature Page

First Supplemental Indenture

S-5

TRUSTEE:
U.S. BANK TRUST NATIONAL ASSOCIATION, as Trustee
By:	/s/ Steven A. Finklea
	Name:	Steven A. Finklea, CCTS
	Title:	Vice President

Signature Page

First Supplemental Indenture

S-6

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Michael C. Jennings, certify that:

1. I have reviewed this quarterly report on Form 10-Q of HollyFrontier Corporation;

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 officers 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 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 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 officers 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 registrant’s board of directors (or persons performing the equivalent functions):

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

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

Date:	August 8, 2011	/s/ Michael C. Jennings
		Michael C. Jennings
		Chief Executive Officer and President

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Douglas S. Aron, certify that:

1. I have reviewed this quarterly report on Form 10-Q of HollyFrontier Corporation;

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 officers 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 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 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 officers 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 registrant’s board of directors (or persons performing the equivalent functions):

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

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

Date:	August 8, 2011	/s/ Douglas S. Aron
		Douglas S. Aron
		Executive Vice President and
		Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE

OFFICER OF HOLLYFRONTIER CORPORATION

PURSUANT TO 18 U.S.C. SECTION 1350

In connection with the accompanying report on Form 10-Q for the quarterly period ended June 30, 2011 and filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael C. Jennings, Chief Executive Officer of HollyFrontier Corporation (the “Company”) hereby certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

Date:	August 8, 2011	/s/ Michael C. Jennings
		Michael C. Jennings
		Chief Executive Officer and President

EX-32.2

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL

OFFICER OF HOLLYFRONTIER CORPORATION

PURSUANT TO 18 U.S.C. SECTION 1350

In connection with the accompanying report on Form 10-Q for the quarterly period ended June 30, 2011 and filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Douglas S. Aron, Chief Financial Officer of HollyFrontier Corporation (the “Company”) hereby certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

Date:	August 8, 2011	/s/ Douglas S. Aron
		Douglas S. Aron
		Executive Vice President and
		Chief Financial Officer

XML



Environmental (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Environmental remediation costs	$ 0.1	$ 0.1	$ 0.1	$ 1.5
Accrued environmental liability	23.4		23.4		26.2
Other Long-Term Liabilities [Member]
Accrued environmental liability	$ 17.8		$ 17.8		$ 20.4

XML



Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
HollyFrontier stockholders' equity:
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	160,000,000	160,000,000
Common stock, shares issued	76,346,432	76,346,432
Treasury stock, shares	22,936,525	23,081,744

XML



Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements Of Income
Sales and other revenues	$ 2,967,133	$ 2,145,860	$ 5,293,718	$ 4,020,150
Operating costs and expenses:
Cost of products sold (exclusive of depreciation and amortization)	2,447,095	1,848,212	4,431,712	3,572,076
Operating expenses (exclusive of depreciation and amortization)	139,345	120,831	274,088	248,375
General and administrative expenses (exclusive of depreciation and amortization)	18,682	15,829	35,500	33,698
Depreciation and amortization	31,832	28,824	63,140	56,581
Total operating costs and expenses	2,636,954	2,013,696	4,804,440	3,910,730
Income from operations	330,179	132,164	489,278	109,420
Other income (expense):
Equity in earnings of SLC Pipeline	467	544	1,207	1,025
Interest income	657	635	742	694
Interest expense	(15,193)	(21,023)	(31,397)	(38,745)
Merger transaction costs	(2,316)		(6,014)
Other income (expense) total	(16,385)	(19,844)	(35,462)	(37,026)
Income before income taxes	313,794	112,320	453,816	72,394
Income tax provision:
Current	115,051	34,561	164,540	39,922
Deferred	(3,090)	5,093	(3,568)	(16,940)
Income tax provision total	111,961	39,654	160,972	22,982
Net income	201,833	72,666	292,844	49,412
Less net income attributable to noncontrolling interest	9,598	6,504	15,915	11,344
Net income attributable to HollyFrontier stockholders	$ 192,235	$ 66,162	$ 276,929	$ 38,068
Earnings per share attributable to HollyFrontier stockholders:
Basic	$ 3.60	$ 1.24	$ 5.19	$ 0.72
Diluted	$ 3.58	$ 1.24	$ 5.16	$ 0.71
Cash dividends declared per common share	$ 0.15	$ 0.15	$ 0.30	$ 0.30
Average number of common shares outstanding:
Basic	53,365	53,206	53,336	53,152
Diluted	53,670	53,408	53,643	53,375

XML



Derivative Instruments And Hedging Activities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	1 Months Ended	6 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	May 31, 2010 HEP [Member]	Jun. 30, 2011 HEP [Member]	Dec. 31, 2010 HEP [Member]	Jun. 30, 2010 HEP [Member] Interest Rate Swap Contracts [Member]	Jun. 30, 2011 Crude Oil [Member]	Jun. 30, 2011 Produced Gasoline [Member]
Number of barrels hedged against price volatility							210,000	3,500,000
Credit agreement advance			$ 171	$ 155	$ 155
Fixed interest rate				3.74%
Rate added to fixed base rate				2.50%
Effective interest rate on debt				6.24%
Derivative maturity				February 2013
Repayment of credit agreement debt			16
Notional amount of interest rate derivatives			16
Settlement of interest rate derivative			1.1
Reclassification from accumulated other comprehensive loss to interest expense			1.1			1.5
Increase in cost of product sold, fair value adjustment attributable to economic hedges	$ 3.0	$ 0.7

XML



Supplemental Guarantor/Non-Guarantor Financial Information

6 Months Ended

Jun. 30, 2011

Supplemental Guarantor/Non-Guarantor Financial Information

Supplemental Guarantor/Non-Guarantor Financial Information

NOTE 17: Supplemental Guarantor/Non-Guarantor Financial Information

Our obligations under the HollyFrontier 9.875% Senior Notes have been jointly and severally guaranteed by the substantial majority of our existing and future restricted subsidiaries ("Guarantor Restricted Subsidiaries"). These guarantees are full and unconditional. HEP, in which we have a 34% ownership interest, and its subsidiaries (collectively, "Non-Guarantor Non-Restricted Subsidiaries"), and certain of our other subsidiaries ("Non-Guarantor Restricted Subsidiaries") have not guaranteed these obligations.

The following financial information presents condensed consolidating balance sheets, statements of income, and statements of cash flows of HollyFrontier (the "Parent"), the Guarantor Restricted Subsidiaries, the Non-Guarantor Restricted Subsidiaries and the Non-Guarantor Non-Restricted Subsidiaries. The information has been presented as if the Parent accounted for its ownership in the Guarantor Restricted Subsidiaries, and the Guarantor Restricted Subsidiaries accounted for the ownership of the Non-Guarantor Restricted Subsidiaries and Non-Guarantor Non-Restricted Subsidiaries, using the equity method of accounting. The Guarantor Restricted Subsidiaries and the Non-Guarantor Restricted Subsidiaries are collectively the "Restricted Subsidiaries." Our revaluation of HEP's assets and liabilities at March 1, 2008 (date of reconsolidation) resulted in basis adjustments to our consolidated HEP balances. Therefore, our reported amounts for the HEP segment may not agree to amounts reported in HEP's periodic public filings.

Condensed Consolidating Balance Sheet
June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP		Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)		Eliminations			Consolidated
	(In thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	414,141		$	(1,656	)	$	12,802		$	—		$	425,287	$	1,402	$	—		$	426,689
Marketable securities		64,759			1,095			—			—			65,854		—		—			65,854
Accounts receivable		3,074			1,000,967			57			—			1,004,098		18,756		(19,327	)		1,003,527
Intercompany accounts receivable (payable)		(1,844,815	)		1,418,880			425,935			—			—		—		—			—
Inventories		—			495,115			—			—			495,115		185		—			495,300
Prepayments and other assets		17,828			18,809			—			—			36,637		853		(3,886	)		33,604
Total current assets		(1,345,013	)		2,933,210			438,794			—			2,026,991		21,196		(23,213	)		2,024,974
Properties and equipment, net		17,713			1,031,585			315,691			—			1,364,989		501,469		(6,695	)		1,859,763
Marketable securities (long-term)		24,804			—			—			—			24,804		—		—			24,804
Investment in subsidiaries		2,766,499			664,480			(394,949	)		(3,036,030	)		—		—		—			—
Intangibles and other assets		16,284			82,491			—			—			98,775		155,843		1,144			255,762
Total assets	$	1,480,287		$	4,711,766		$	359,536		$	(3,036,030	)	$	3,515,559	$	678,508	$	(28,764	)	$	4,165,303
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	$	7,278		$	1,447,891		$	7,683		$	—		$	1,462,852	$	7,115	$	(19,327	)	$	1,450,640
Income taxes payable		23,002			—			—			—			23,002		—		—			23,002
Accrued liabilities		29,133			40,738			1,858			—			71,729		16,108		(3,886	)		83,951
Total current liabilities		59,413			1,488,629			9,541			—			1,557,583		23,223		(23,213	)		1,557,593
Long-term debt		290,083			54,913			—			—			344,996		510,566		(16,696	)		838,866
Non-current liabilities		46,315			25,712			—			—			72,027		9,164		—			81,191
Deferred income taxes		122,565			176			773			—			123,514		—		4,951			128,465
Distributions in excess of inv in HEP		—			375,837			—			—			375,837		—		(375,837	)		—
Equity – HollyFrontier		961,911			2,766,499			349,222			(3,115,721	)		961,911		135,555		(137,003	)		960,463
Equity – noncontrolling interest		—			—			—			79,691			79,691		—		519,034			598,725
Total liabilities and equity	$	1,480,287		$	4,711,766		$	359,536		$	(3,036,030	)	$	3,515,559	$	678,508	$	(28,764	)	$	4,165,303

Condensed Consolidating Balance Sheet
December 31, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP		Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)		Eliminations			Consolidated
	(In thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	230,082		$	(9,035	)	$	7,651		$	—		$	228,698	$	403	$	—		$	229,101
Marketable securities		—			1,343			—			—			1,343		—		—			1,343
Accounts receivable		1,683			991,778			—			—			993,461		22,508		(22,853	)		993,116
Intercompany accounts receivable (payable)		(1,401,580	)		981,691			419,889			—			—		—		—			—
Inventories		—			400,165			—			—			400,165		202		—			400,367
Income taxes receivable		51,034			—			—			—			51,034		—		—			51,034
Prepayments and other assets		10,210			20,942			—			—			31,152		573		(3,251	)		28,474
Total current assets		(1,108,571	)		2,386,884			427,540			—			1,705,853		23,686		(26,104	)		1,703,435
Properties and equipment, net		17,177			1,017,877			236,648			—			1,271,702		492,098		(7,109	)		1,756,691
Investment in subsidiaries		2,273,159			595,888			(393,011	)		(2,476,036	)		—		—		—			—
Intangibles and other assets		8,569			77,600			—			—			86,169		154,036		1,144			241,349
Total assets	$	1,190,334		$	4,078,249		$	271,177		$	(2,476,036	)	$	3,063,724	$	669,820	$	(32,069	)	$	3,701,475
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	$	7,170		$	1,319,316		$	3,575		$	—		$	1,330,061	$	10,238	$	(22,853	)	$	1,317,446
Accrued liabilities		25,512			28,145			797			—			54,454		21,206		(3,251	)		72,409
Total current liabilities		32,682			1,347,461			4,372			—			1,384,515		31,444		(26,104	)		1,389,855
Long-term debt		289,509			55,706			—			—			345,215		482,271		(16,925	)		810,561
Non-current liabilities		42,655			27,521			—			—			70,176		10,809		—			80,985
Deferred income taxes		126,160			259			565			—			126,984		—		4,951			131,935
Distributions in excess of inv in HEP		—			374,143			—			—			374,143		—		(374,143	)		—
Equity – HollyFrontier		699,328			2,273,159			266,240			(2,539,399	)		699,328		145,296		(147,205	)		697,419
Equity – noncontrolling interest		—			—			—			63,363			63,363		—		527,357			590,720
Total liabilities and equity	$	1,190,334		$	4,078,249		$	271,177		$	(2,476,036	)	$	3,063,724	$	669,820	$	(32,069	)	$	3,701,475

Condensed Consolidating Statement of Income
Three Months Ended June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	153		$	2,953,226		$	—		$	—		$	2,953,379		$	50,940		$	(37,186	)	$	2,967,133
Operating costs and expenses:
Cost of products sold		—			2,483,435			—			—			2,483,435			—			(36,340	)		2,447,095
Operating expenses		—			124,992			121			—			125,113			14,366			(134	)		139,345
General and administrative expenses		16,976			133			—			—			17,109			1,573			—			18,682
Depreciation and amortization		907			23,644			179			—			24,730			7,309			(207	)		31,832
Total operating costs and expenses		17,883			2,632,204			300			—			2,650,387			23,248			(36,681	)		2,636,954
Income (loss) from operations		(17,730	)		321,022			(300	)		—			302,992			27,692			(505	)		330,179
Other income (expense):
Equity in earnings of subsidiaries and joint venture		329,496			9,268			9,480			(338,764	)		9,480			467			(9,480	)		467
Interest income (expense)		(5,063	)		(795	)		13			—			(5,845	)		(9,286	)		595			(14,536	)
Merger transaction costs		(2,316	)		—			—			—			(2,316	)		—			—			(2,316	)
		322,117			8,473			9,493			(338,764	)		1,319			(8,819	)		(8,885	)		(16,385	)
Income before income taxes		304,387			329,495			9,193			(338,764	)		304,311			18,873			(9,390	)		313,794
Income tax provision		111,943			—			—			—			111,943			18			—			111,961
Net income		192,444			329,495			9,193			(338,764	)		192,368			18,855			(9,390	)		201,833
Less net income attributable to noncontrolling interest		—			—			—			(75	)		(75	)		—			9,673			9,598
Net income attributable to HollyFrontier stockholders	$	192,444		$	329,495		$	9,193		$	(338,689	)	$	192,443		$	18,855		$	(19,063	)	$	192,235

Condensed Consolidating Statement of Income
Three Months Ended June 30, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	150		$	2,137,361		$	—		$	—		$	2,137,511		$	45,483		$	(37,134	)	$	2,145,860
Operating costs and expenses:
Cost of products sold		—			1,884,676			86			—			1,884,762			—			(36,550	)		1,848,212
Operating expenses		—			107,463			—			—			107,463			13,495			(127	)		120,831
General and administrative expenses		13,916			—			—			—			13,916			1,913			—			15,829
Depreciation and amortization		928			20,825			179			—			21,932			7,187			(295	)		28,824
Total operating costs and expenses		14,844			2,012,964			265			—			2,028,073			22,595			(36,972	)		2,013,696
Income (loss) from operations		(14,694	)		124,397			(265	)		—			109,438			22,888			(162	)		132,164
Other income (expense):
Equity in earnings of subsidiaries and joint venture		130,097			6,819			7,007			(136,916	)		7,007			544			(7,007	)		544
Interest income (expense)		(9,527	)		(1,119	)		12			—			(10,634	)		(10,109	)		355			(20,388	)
		120,570			5,700			7,019			(136,916	)		(3,627	)		(9,565	)		(6,652	)		(19,844	)
Income before income taxes		105,876			130,097			6,754			(136,916	)		105,811			13,323			(6,814	)		112,320
Income tax provision		39,608			—			—			—			39,608			46			—			39,654
Net income		66,268			130,097			6,754			(136,916	)		66,203			13,277			(6,814	)		72,666
Less net income attributable to noncontrolling interest		—			—			—			(65	)		(65	)		—			6,569			6,504
Net income attributable to HollyFrontier stockholders	$	66,268		$	130,097		$	6,754		$	(136,851	)	$	66,268		$	13,277		$	(13,383	)	$	66,162

Condensed Consolidating Statement of Income
Six Months Ended June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Frontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	801		$	5,268,318		$	—		$	—		$	5,269,119		$	95,945		$	(71,346	)	$	5,293,718
Operating costs and expenses:
Cost of products sold		—			4,501,361			—			—			4,501,361			—			(69,649	)		4,431,712
Operating expenses		—			246,677			509			—			247,186			27,162			(260	)		274,088
General and administrative expenses		32,329			235			—			—			32,564			2,936			—			35,500
Depreciation and amortization		1,847			46,805			358			—			49,010			14,544			(414	)		63,140
Total operating costs and expenses		34,176			4,795,078			867			—			4,830,121			44,642			(70,323	)		4,804,440
Income (loss) from operations		(33,375	)		473,240			(867	)		—			438,998			51,303			(1,023	)		489,278
Other income (expense):
Equity in earnings of subsidiaries and joint venture		488,453			16,831			17,500			(505,284	)		17,500			1,207			(17,500	)		1,207
Interest income (expense)		(11,872	)		(1,618	)		26			—			(13,464	)		(18,398	)		1,207			(30,655	)
Merger transaction costs		(6,014	)		—			—			—			(6,014	)		—			—			(6,014	)
		470,567			15,213			17,526			(505,284	)		(1,978	)		(17,191	)		(16,293	)		(35,462	)
Income before income taxes		437,192			488,453			16,659			(505,284	)		437,020			34,112			(17,316	)		453,816
Income tax provision		160,726			—			—			—			160,726			246			—			160,972
Net income		276,466			488,453			16,659			(505,284	)		276,294			33,866			(17,316	)		292,844
Less net income attributable to noncontrolling interest		—			—			—			(172	)		(172	)		—			16,087			15,915
Net income attributable to HollyFrontier stockholders	$	276,466		$	488,453		$	16,659		$	(505,112	)	$	276,466		$	33,866		$	(33,403	)	$	276,929

Condensed Consolidating Statement of Income
Six Months Ended June 30, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	217		$	4,004,534		$	—		$	—		$	4,004,751		$	86,172		$	(70,773	)	$	4,020,150
Operating costs and expenses:
Cost of products sold		—			3,641,183			12			—			3,641,195			—			(69,119	)		3,572,076
Operating expenses		—			222,063			—			—			222,063			26,555			(243	)		248,375
General and administrative expenses		28,801			421			—			—			29,222			4,476			—			33,698
Depreciation and amortization		1,871			41,779			(471	)		—			43,179			13,992			(590	)		56,581
Total operating costs and expenses		30,672			3,905,446			(459	)		—			3,935,659			45,023			(69,952	)		3,910,730
Income (loss) from operations		(30,455	)		99,088			459			—			69,092			41,149			(821	)		109,420
Other income (expense):
Equity in earnings of subsidiaries and joint venture		109,989			13,299			12,936			(123,288	)		12,936			1,025			(12,936	)		1,025
Interest income (expense)		(18,670	)		(2,398	)		20			—			(21,048	)		(18,213	)		1,210			(38,051	)
		91,319			10,901			12,956			(123,288	)		(8,112	)		(17,188	)		(11,726	)		(37,026	)
Income before income taxes		60,864			109,989			13,415			(123,288	)		60,980			23,961			(12,547	)		72,394
Income tax provision		22,842			—			—			—			22,842			140			—			22,982
Net income		38,022			109,989			13,415			(123,288	)		38,138			23,821			(12,547	)		49,412
Less net income attributable to noncontrolling interest		—			—			—			116			116			—			11,228			11,344
Net income attributable to HollyFrontier stockholders	$	38,022		$	109,989		$	13,415		$	(123,404	)	$	38,022		$	23,821		$	(23,775	)	$	38,068

Condensed Consolidating Statement of Cash Flows
Six Months Ended June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Cash flows from operating activities	$	304,061		$	122,324		$	5,051		$	431,436		$	46,289		$	(19,729	)	$	457,996
Cash flows from investing activities
Additions to properties, plants and equipment		(2,623	)		(51,382	)		(79,400	)		(133,405	)		—			—			(133,405	)
Additions to properties, plants and equipment – HEP		—			—			—			—			(22,900	)		—			(22,900	)
Investment in Sabine Biofuels		(9,125	)		—			—			(9,125	)		—			—			(9,125	)
Purchases of marketable securities		(157,782	)		—			—			(157,782	)		—			—			(157,782	)
Sales and maturities of marketable securities		68,150			—			—			68,150			—			—			68,150
		(101,380	)		(51,382	)		(79,400	)		(232,162	)		(22,900	)		—			(255,062	)
Cash flows from financing activities
Net borrowings under credit agreements – HEP		—			—			—			—			27,000			—			27,000
Repayments under financing obligation		—			(563	)		—			(563	)		—			—			(563	)
Purchase of treasury stock		(2,996	)		—			—			(2,996	)		—			—			(2,996	)
Contribution from joint venture partner		—			(63,000	)		79,500			16,500			—			—			16,500
Dividends		(15,984	)		—			—			(15,984	)		—			—			(15,984	)
Distributions to noncontrolling interest		—			—			—			—			(44,862	)		19,729			(25,133	)
Excess tax benefit from equity based compensation		498			—			—			498			—			—			498
Purchase of units for HEP restricted grants		—			—			—			—			(1,379	)		—			(1,379	)
Deferred financing costs		(140	)		—			—			(140	)		(3,149	)		—			(3,289	)
		(18,622	)		(63,563	)		79,500			(2,685	)		(22,390	)		19,729			(5,346	)
Cash and cash equivalents
Increase (decrease) for the period		184,059			7,379			5,151			196,589			999			—			197,588
Beginning of period		230,082			(9,035	)		7,651			228,698			403			—			229,101
End of period	$	414,141		$	(1,656	)	$	12,802		$	425,287		$	1,402		$	—		$	426,689

Condensed Consolidating Statement of Cash Flows
Six Months Ended June 30, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Cash flows from operating activities	$	24,464		$	(15,103	)	$	1,379		$	10,740		$	45,186		$	(17,580	)	$	38,346
Cash flows from investing activities
Additions to properties, plants and equipment		(1,279	)		(54,880	)		(15,884	)		(72,043	)		—			—			(72,043	)
Additions to properties, plants and equipment – HEP		—			—			—			—			(43,527	)		39,040			(4,487	)
Proceeds from sale of assets		—			39,040			—			39,040			—			(39,040	)		—
		(1,279	)		(15,840	)		(15,884	)		(33,003	)		(43,527	)		—			(76,530	)
Cash flows from financing activities
Net repayments under credit agreements – HEP		—			—			—			—			(51,000	)		—			(51,000	)
Proceeds from issuance of senior notes – HEP		—			—			—			—			147,540			—			147,540
Repayments under financing obligation		—			(616	)		—			(616	)		—			201			(415	)
Purchase of treasury stock		(1,308	)		—			—			(1,308	)		—			—			(1,308	)
Contribution from joint venture partner		—			(15,000	)		20,000			5,000			—			—			5,000
Dividends		(15,901	)		—			—			(15,901	)		—			—			(15,901	)
Purchase price in excess of transferred basis in assets		—			53,960			—			53,960			(53,960	)		—			—
Distributions to noncontrolling interest		—			—			—			—			(41,312	)		17,379			(23,933	)
Excess tax expense from equity based compensation		(1,313	)		—			—			(1,313	)		—			—			(1,313	)
Deferred financing costs		(1,177	)		(1,125	)		—			(2,302	)		(353	)		—			(2,655	)
Purchase of units for HEP restricted grants		—			—			—			—			(2,276	)		—			(2,276	)
Issuance of common stock upon exercise of options		61			—			—			61			—			—			61
		(19,638	)		37,219			20,000			37,581			(1,361	)		17,580			53,800
Cash and cash equivalents
Increase (decrease) for the period		3,547			6,276			5,495			15,318			298			—			15,616
Beginning of period		127,560			(12,477	)		7,005			122,088			2,508			—			124,596
End of period	$	131,107		$	(6,201	)	$	12,500		$	137,406		$	2,806		$	—		$	140,212

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Document And Entity Information	6 Months Ended
	Jun. 30, 2011	Jul. 29, 2011
Document And Entity Information
Entity Registrant Name	HollyFrontier Corp
Entity Central Index Key	0000048039
Document Type	10-Q
Document Period End Date	Jun. 30, 2011
Amendment Flag	false
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		105,030,510

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Cash And Cash Equivalents And Investments In Marketable Securities (Available-For-Sale Securities) (Details) (USD $) In Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Available-for-Sale Securities, Amortized Cost	$ 90,242
Available-for-Sale Securities, Gross Unrealized Gain	416
Available-for-Sale Securities, Estimated Fair Value (Net Carrying Amount)	90,658
Marketable debt securities (state and political subdivisions)
Available-for-Sale Securities, Amortized Cost	89,632
Available-for-Sale Securities, Gross Unrealized Gain	(69)
Available-for-Sale Securities, Estimated Fair Value (Net Carrying Amount)	89,563
Equity Securities [Member]
Available-for-Sale Securities, Amortized Cost	610	610
Available-for-Sale Securities, Gross Unrealized Gain	485	733
Available-for-Sale Securities, Estimated Fair Value (Net Carrying Amount)	$ 1,095	$ 1,343

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Holly-Frontier Merger (Tables)

6 Months Ended

Jun. 30, 2011

Holly-Frontier Merger

Schedule Of Pro Forma Revenues And Net Income

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(In thousands, except per share amounts)
Sales and other revenues	$	5,037,660	$	3,694,740	$	9,272,899	$	6,841,174
Net income attributable to HollyFrontier stockholders	$	368,375	$	140,351	$	601,791	$	80,494
Basic earnings per share	$	3.52	$	1.34	$	5.74	$	0.77
Diluted earnings per share	$	3.50	$	1.34	$	5.72	$	0.77

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Cash And Cash Equivalents And Investments In Marketable Securities (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2011
Cash And Cash Equivalents And Investments In Marketable Securities
Shares of Connacher Oil and Gas Limited held	1,000,000
Maximum term to maturity from date of purchase (years)	2
Marketable debt securities	$ 157.8
Sale and maturities of marketable debt securities	$ 68.2

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Stock-Based Compensation

6 Months Ended

Jun. 30, 2011

Stock-Based Compensation

Stock-Based Compensation

NOTE 6: Stock-Based Compensation

On June 30, 2011, we had two principal share-based compensation plans that are described below (collectively, the "Long-Term Incentive Compensation Plan"). The compensation cost that has been charged against income for these plans was $3.4 million and $2.2 million for the three months ended June 30, 2011 and 2010, respectively, and $4.5 million and $4.1 million for the six months ended June 30, 2011 and 2010, respectively. The total income tax benefit recognized in the income statement for share-based compensation arrangements was $1.3 million and $0.8 million for the three months ended June 30, 2011 and 2010, respectively, and $1.8 million and $1.6 million for the six months ended June 30, 2011 and 2010 respectively. Our current accounting policy for the recognition of compensation expense for awards with pro-rata vesting (substantially all of our awards) is to expense the costs pro-rata over the vesting periods.

Additionally, HEP maintains share-based compensation plans for HEP directors and select Holly Logistic Services, L.L.C. executives and employees. Compensation cost attributable to HEP's share-based compensation plans was $0.4 million and $0.3 million for the three months ended June 30, 2011 and 2010, respectively, and $1.1 million and $1.3 million for the six months ended June 30, 2011 and 2010, respectively.

Restricted Stock

Under our Long-Term Incentive Compensation Plan, we grant certain officers, other key employees and outside directors restricted stock awards with substantially all awards vesting generally over a period of one to five years. Although ownership of the shares does not transfer to the recipients until after the shares vest, recipients generally have dividend rights on these shares from the date of grant. The vesting for certain key executives is contingent upon certain performance targets being realized. The fair value of each share of restricted stock awarded, including the shares issued to the key executives, was measured based on the market price as of the date of grant and is being amortized over the respective vesting period.

A summary of restricted stock activity and changes during the six months ended June 30, 2011 is presented below:

Restricted Stock	Grants			Weighted- Average Grant Date Fair Value		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2011 (non-vested)		346,996		$	29.31
Vesting and transfer of ownership to recipients		(158,528	)		31.18
Granted		102,710			58.23
Forfeited		(12,965	)		52.02
Outstanding at June 30, 2011 (non-vested)		278,213		$	37.86	$	16,904

The total fair value of restricted stock vested and transferred to recipients during the six months ended June 30, 2011 and 2010 was $4.9 million and $4.2 million, respectively. As of June 30, 2011, there was $5.5 million of total unrecognized compensation cost related to non-vested restricted stock grants. That cost is expected to be recognized over a weighted-average period of 1 years.

Performance Share Units

Under our Long-Term Incentive Compensation Plan, we grant certain officers and other key employees performance share units, which are payable in stock upon meeting certain criteria over the service period, and generally vest over a period of one to three years. Under the terms of our performance share unit grants, awards are subject to financial performance criteria.

The fair value of each performance share unit award is computed using the grant date closing stock price of each respective award grant and will apply to the number of units ultimately awarded. The number of shares ultimately issued for each award will be based on our financial performance as compared to peer group companies over the performance period and can range from zero to 200%. As of June 30, 2011, estimated share payouts for outstanding non-vested performance share unit awards ranged from 150% to 175%.

A summary of performance share unit activity and changes during the six months ended June 30, 2011 is presented below:

Performance Share Units	Grants
Outstanding at January 1, 2011 (non-vested)		278,093
Vesting and transfer of ownership to recipients		(53,962	)
Granted		61,491
Outstanding at June 30, 2011 (non-vested)		285,622

For the six months ended June 30, 2011, we issued 75,007 shares of our common stock having a fair value of $2.6 million related to vested performance share units, representing a 139% payout. Based on the weighted average grant date fair value of $32.86, there was $8.2 million of total unrecognized compensation cost related to non-vested performance share units. That cost is expected to be recognized over a weighted-average period of 1.3 years.

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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2011

Earnings Per Share

Schedule Of Earnings Per Share

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(In thousands, except per share data)
Earnings attributable to HollyFrontier stockholders	$	192,235	$	66,162	$	276,929	$	38,068
Average number of shares of common stock outstanding		53,365		53,206		53,336		53,152
Effect of dilutive stock options, variable restricted shares and performance share units		305		202		307		223
Average number of shares of common stock outstanding assuming dilution		53,670		53,408		53,643		53,375
Basic earnings per share	$	3.60	$	1.24	$	5.19	$	0.72
Diluted earnings per share	$	3.58	$	1.24	$	5.16	$	0.71

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Earnings Per Share (Details) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Earnings Per Share
Earnings attributable to HollyFrontier stockholders	$ 192,235	$ 66,162	$ 276,929	$ 38,068
Average number of shares of common stock outstanding	53,365	53,206	53,336	53,152
Effect of dilutive stock options, variable restricted shares and performance share units	305	202	307	223
Average number of shares of common stock outstanding assuming dilution	53,670	53,408	53,643	53,375
Basic earnings per share	$ 3.60	$ 1.24	$ 5.19	$ 0.72
Diluted earnings per share	$ 3.58	$ 1.24	$ 5.16	$ 0.71

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Description Of Business And Presentation Of Financial Statements (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2011
Percentage of interest owned in development stage biodiesel production facility	50.00%
Allowance for doubtful accounts reserve	$ 2.6
HEP [Member]
Percentage of ownership in variable interest entity	34.00%
Percentage of general partner interest	2.00%
Number of refined product terminals	10
HEP [Member] | SLC Pipeline Project [Member]
Percentage of interest owned pipeline project	25.00%
Length of pipeline (miles)	95
12-Inch Refined Products Pipeline Project [Member]
Percentage of interest owned pipeline project	75.00%
New Mexico [Member]
Number of refineries owned and operated	3
Tulsa [Member]
Number of refineries owned and operated	2

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Description Of Business And Presentation Of Financial Statements (Policy)

6 Months Ended

Jun. 30, 2011

Description Of Business And Presentation Of Financial Statements

Accounts Receivable

Accounts Receivable
Our accounts receivable consist of amounts due from customers that are primarily companies in the petroleum industry. Credit is extended based on our evaluation of the customer's financial condition and in certain circumstances, collateral, such as a letter of credit or guarantee, is required. Our credit losses, which historically have been minimal are charged to income when accounts are deemed uncollectible. At June 30, 2011, our allowance for doubtful accounts reserve was $2.6 million.

Inventories

Inventories
We use the last-in, first-out ("LIFO") method of valuing inventory. Under the LIFO method, an actual valuation of inventory can only be made at the end of each year based on the inventory levels at that time. Accordingly, interim LIFO calculations are based on management's estimates of expected year-end inventory levels and are subject to the final year-end LIFO inventory valuation.

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Derivative Instruments And Hedging Activities

6 Months Ended

Jun. 30, 2011

Derivative Instruments And Hedging Activities

Derivative Instruments And Hedging Activities

NOTE 11: Derivative Instruments and Hedging Activities

Commodity Price Risk Management

Our primary market risk is commodity price risk. We are exposed to market risks related to the volatility in crude oil and refined products, as well as volatility in the price of natural gas used in our refining operations.

We periodically enter into derivative contracts in the form of commodity price swaps to mitigate price exposure with respect to:

• our inventory positions;

• natural gas purchases;

• costs of crude oil;

• prices of refined products; and

• our refining margins.

As of June 30, 2011, we have outstanding commodity price swap contracts serving as economic hedges to protect the value of temporary inventory builds of 210,000 barrels against price volatility and to lock in the spread between WTS and WTI crude oil with respect to forecasted purchases of 3.5 million barrels of crude oil. These contracts are measured quarterly at fair value with offsetting adjustments (gains / losses) recorded directly to cost of products sold.

Interest Rate Risk Management

HEP uses interest rate swaps to manage its exposure to interest rate risk.

As of June 30, 2011, HEP has an interest rate swap that hedges its exposure to the cash flow risk caused by the effects of LIBOR changes on a $155 million HEP Credit Agreement advance. This interest rate swap effectively converts $155 million of LIBOR based debt to fixed rate debt having an interest rate of 3.74% plus an applicable margin, currently 2.50%, which equaled an effective interest rate of 6.24% as of June 30, 2011. This interest rate swap contract has been designated as a cash flow hedge and matures in February 2013.

This contract initially hedged variable LIBOR interest on $171 million in outstanding HEP Credit Agreement debt. In May 2010, HEP repaid $16 million of the HEP Credit Agreement debt and also settled a corresponding portion of its interest rate swap agreement having a notional amount of $16 million for $1.1 million. Upon payment, HEP reduced its swap liability and reclassified a $1.1 million charge from accumulated other comprehensive loss to interest expense, representing the application of hedge accounting prior to settlement.

The following table presents balance sheet locations and related fair values of outstanding derivative instruments.

Derivative Instruments	Balance Sheet Location	Fair Value		Location of Offsetting Balance	Offsetting Amount
	(Dollars in thousands)
June 30, 2011
Derivative designated as cash flow hedging instrument:
Variable-to-fixed interest rate swap contract ($155 million LIBOR based debt interest payments)	Other long-term liabilities	$	8,472	Accumulated other comprehensive loss	$	8,472
Derivatives not designated as hedging instruments:
Variable-to-fixed commodity price swap contracts (various inventory positions)	Prepayments and other current assets	$	7,958	Cost of products sold (decrease)	$	7,958
Fixed/variable-to-variable/fixed commodity price contracts (various inventory positions)	Accrued liabilities	$	1,300	Cost of products sold (increase)	$	1,300
Derivative Instruments	Balance Sheet Location	Fair Value		Location of Offsetting Balance	Offsetting Amount
	(Dollars in thousands)
December 31, 2010
Derivatives designated as cash flow hedging instruments:
Variable-to-fixed commodity price swap contracts (forecasted volumes of natural gas purchases)	Accrued liabilities	$	38	Accumulated other comprehensive loss	$	38
Variable-to-fixed interest rate swap contract ($155 million LIBOR based debt interest payments)	Other long-term liabilities	$	10,026	Accumulated other comprehensive loss	$	10,026
Derivatives not designated as hedging instruments:
Fixed-to-variable rate swap contracts (various inventory positions)	Accrued liabilities	$	497	Cost of products sold (increase)	$	497

For the three and the six months ended June 30, 2011, maturities and fair value adjustments attributable to our economic hedges resulted in a $3 million decrease and a $0.7 million increase, respectively, to costs of products sold.

For the three and six months ended June 30, 2010, HEP recognized $1.5 million in charges to interest expense as a result of fair value changes to interest rate swap contracts that were settled in the first quarter of 2010.

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Holly-Frontier Merger

6 Months Ended

Jun. 30, 2011

Holly-Frontier Merger

Holly-Frontier Merger

NOTE 2: Holly-Frontier Merger

On February 21, 2011, we entered into a merger agreement providing for a "merger of equals" business combination between us and Frontier. On July 1, 2011, North Acquisition, Inc., a direct wholly-owned subsidiary of Holly, merged with and into Frontier, with Frontier surviving as a wholly-owned subsidiary of Holly. Concurrent with the merger, we changed our name to HollyFrontier Corporation and changed the trading symbol for our common stock traded on the New York Stock Exchange to "HFC." Subsequent to the merger and following approval by the post-closing board of directors of HollyFrontier, Frontier merged with and into HollyFrontier, with HollyFrontier continuing as the surviving corporation.

In accordance with the merger agreement, we issued approximately 51.4 million shares of HollyFrontier common stock in exchange for outstanding shares of Frontier common stock to former Frontier stockholders. Each outstanding share of Frontier common stock was converted into 0.4811 shares of HollyFrontier common stock with any fractional shares paid in cash. Based on the July 1, 2011 market closing price of $71.86, the aggregate equity consideration paid in connection with the merger was approximately $3.7 billion.

The merger will be accounted for using the acquisition method of accounting with Holly being considered the acquirer of Frontier for accounting purposes. Therefore, the purchase price shall be allocated to the fair value of the acquired Frontier tangible and intangible assets and liabilities at the acquisition date, with the excess purchase price being recorded as goodwill. Due to the short timeframe between the consummation of the merger and filing this Quarterly Report on Form 10-Q, we have not completed the detailed valuation studies necessary to arrive at the required fair value estimates of the acquired Frontier assets, the liabilities assumed and the related purchase price allocations.

Beginning July 1, 2011, HollyFrontier's consolidated financial and operating results will reflect the operations of the merged Frontier businesses. This includes a refinery located in El Dorado, Kansas (the "El Dorado Refinery") and a refinery located in Cheyenne, Wyoming (the "Cheyenne Refinery") that serve markets in the Rocky Mountain and Plains States regions of the United States. Assuming the merger had been consummated on January 1, 2010, the beginning of the earliest period presented, pro forma revenues, net income and basic earnings per share are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(In thousands, except per share amounts)
Sales and other revenues	$	5,037,660	$	3,694,740	$	9,272,899	$	6,841,174
Net income attributable to HollyFrontier stockholders	$	368,375	$	140,351	$	601,791	$	80,494
Basic earnings per share	$	3.52	$	1.34	$	5.74	$	0.77
Diluted earnings per share	$	3.50	$	1.34	$	5.72	$	0.77

The pro forma financial information above reflects adjustments that primarily relate to depreciation and amortization expense and are based on management's preliminary fair value estimates including useful life assumptions on the Frontier property, plant and equipment and intangible assets. These estimates are preliminary in nature and are expected to change following the completion of our valuation of the Frontier assets and liabilities. Such changes could be material.

As of June 30, 2011, we have recognized $6 million in merger transaction costs that are presented separately in our income statements and primarily relate to legal, advisory and other professional fees incurred since the announcement of our merger agreement in 2011. This does not include post-merger transaction costs including fees contingent upon the merger closing as well as costs to integrate the operations of the combined company.

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Retirement Plan (Tables)

6 Months Ended

Jun. 30, 2011

Retirement Plan

Net Periodic Pension Expense

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(In thousands)
Service cost – benefit earned during the period	$	1,268		$	1,156		$	2,535		$	2,298
Interest cost on projected benefit obligations		1,281			1,291			2,562			2,577
Expected return on plan assets		(1,339	)		(1,164	)		(2,678	)		(2,288	)
Amortization of prior service cost		97			98			195			195
Amortization of net loss		533			474			1,066			1,098
Net periodic pension expense	$	1,840		$	1,855		$	3,680		$	3,880

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Inventories

6 Months Ended

Jun. 30, 2011

Inventories

Inventories

NOTE 8: Inventories

Inventory consists of the following components:

	June 30, 2011		December 31, 2010
	(In thousands)
Crude oil	$	179,650	$	96,570
Other raw materials and unfinished products (1)		56,677		68,792
Finished products (2)		208,406		188,274
Process chemicals (3)		22,576		22,512
Repairs and maintenance supplies and other		27,991		24,219
Total inventory	$	495,300	$	400,367

(1) Other raw materials and unfinished products include feedstocks and blendstocks, other than crude.

(2) Finished products include gasolines, jet fuels, diesels, lubricants, asphalts, LPG's and residual fuels.

(3) Process chemicals include catalysts, additives and other chemicals.

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Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2011

Other Comprehensive Income (Loss)

Other Comprehensive Income (Loss)

NOTE 13: Other Comprehensive Income (Loss)

The components and allocated tax effects of other comprehensive income (loss) are as follows:

	Before-Tax			Tax Expense (Benefit)			After-Tax
	(In thousands)
Three Months Ended June 30, 2011
Unrealized loss on available-for-sale securities	$	(459	)	$	(179	)	$	(280	)
Unrealized gain on hedging activities		271			35			236
Other comprehensive loss		(188	)		(144	)		(44	)
Less other comprehensive income attributable to noncontrolling interest		178			—			178
Other comprehensive loss attributable to HollyFrontier stockholders	$	(366	)	$	(144	)	$	(222	)
Three Months Ended June 30, 2010
Unrealized loss on available-for-sale securities	$	(251	)	$	(98	)	$	(153	)
Unrealized loss on hedging activities		(620	)		(82	)		(538	)
Other comprehensive loss		(871	)		(180	)		(691	)
Less other comprehensive loss attributable to noncontrolling interest		(407	)		—			(407	)
Other comprehensive loss attributable to HollyFrontier stockholders	$	(464	)	$	(180	)	$	(284	)
Six Months Ended June 30, 2011
Unrealized loss on available-for-sale securities	$	(317	)	$	(124	)	$	(193	)
Unrealized gain on hedging activities		1,592			222			1,370
Other comprehensive income		1,275			98			1,177
Less other comprehensive income attributable to noncontrolling interest		1,020			—			1,020
Other comprehensive income attributable to HollyFrontier stockholders	$	255		$	98		$	157

	Before-Tax			Tax Expense (Benefit)			After-Tax
	(In thousands)
Six Months Ended June 30, 2010
Unrealized loss on available-for-sale securities	$	(7	)	$	(4	)	$	(3	)
Unrealized loss on hedging activities		(1,981	)		142			(2,123	)
Other comprehensive loss		(1,988	)		138			(2,126	)
Less other comprehensive loss attributable to noncontrolling interest		(2,343	)		—			(2,343	)
Other comprehensive income attributable to HollyFrontier stockholders	$	355		$	138		$	217

The temporary unrealized gain (loss) on available-for-sale securities is due to changes in market prices of securities.

Accumulated other comprehensive loss in the equity section of our consolidated balance sheets includes:

	June 30,			December 31,
	2011			2010
	(In thousands)
Pension obligation adjustment	$	(22,672	)	$	(22,672	)
Retiree medical obligation adjustment		(1,894	)		(1,894	)
Unrealized gain on available-for-sale securities		258			451
Unrealized loss on hedging activities, net of noncontrolling interest		(1,783	)		(2,131	)
Accumulated other comprehensive loss	$	(26,091	)	$	(26,246	)

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Environmental

6 Months Ended

Jun. 30, 2011

Environmental

Environmental

NOTE 9: Environmental

Consistent with our accounting policy for environmental remediation costs, we expensed $0.1 million for the three months ended June 30, 2011 and 2010 and $0.1 million and $1.5 million for the six months ended June 30, 2011 and 2010, respectively, for environmental remediation obligations. The accrued environmental liability reflected in our consolidated balance sheets was $23.4 million and $26.2 million at June 30, 2011 and December 31, 2010, respectively, of which $17.8 million and $20.4 million, respectively, were classified as other long-term liabilities. Costs of future expenditures for environmental remediation that are expected to be incurred over the next several years are not discounted to their present value.

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Derivative Instruments And Hedging Activities (Tables)

6 Months Ended

Jun. 30, 2011

Derivative Instruments And Hedging Activities

Summary Of Balance Sheet Locations And Related Fair Values Of Outstanding Derivative Instruments

Derivative Instruments	Balance Sheet Location	Fair Value		Location of Offsetting Balance	Offsetting Amount
	(Dollars in thousands)
June 30, 2011
Derivative designated as cash flow hedging instrument:
Variable-to-fixed interest rate swap contract ($155 million LIBOR based debt interest payments)	Other long-term liabilities	$	8,472	Accumulated other comprehensive loss	$	8,472
Derivatives not designated as hedging instruments:
Variable-to-fixed commodity price swap contracts (various inventory positions)	Prepayments and other current assets	$	7,958	Cost of products sold (decrease)	$	7,958
Fixed/variable-to-variable/fixed commodity price contracts (various inventory positions)	Accrued liabilities	$	1,300	Cost of products sold (increase)	$	1,300
Derivative Instruments	Balance Sheet Location	Fair Value		Location of Offsetting Balance	Offsetting Amount
	(Dollars in thousands)
December 31, 2010
Derivatives designated as cash flow hedging instruments:
Variable-to-fixed commodity price swap contracts (forecasted volumes of natural gas purchases)	Accrued liabilities	$	38	Accumulated other comprehensive loss	$	38
Variable-to-fixed interest rate swap contract ($155 million LIBOR based debt interest payments)	Other long-term liabilities	$	10,026	Accumulated other comprehensive loss	$	10,026
Derivatives not designated as hedging instruments:
Fixed-to-variable rate swap contracts (various inventory positions)	Accrued liabilities	$	497	Cost of products sold (increase)	$	497

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Cash And Cash Equivalents And Investments In Marketable Securities

6 Months Ended

Jun. 30, 2011

Cash And Cash Equivalents And Investments In Marketable Securities

Cash And Cash Equivalents And Investments In Marketable Securities

NOTE 7: Cash and Cash Equivalents and Investments in Marketable Securities

Our investment portfolio at June 30, 2011, consisted of cash, cash equivalents and investments in debt securities primarily issued by government entities. We also hold 1,000,000 shares of Connacher Oil and Gas Limited common stock that were received as partial consideration upon our sale of our Montana refinery in 2006.

We invest in highly-rated marketable debt securities, primarily issued by government entities that have maturities at the date of purchase of greater than three months. We also invest in other marketable debt securities with the maximum maturity of any individual issue not greater than two years from the date of purchase. All of these instruments including investments in equity securities are classified as available-for-sale, and as a result, are reported at fair value using quoted market prices. Interest income is recorded as earned. Unrealized gains and losses, net of related income taxes, are considered temporary and are reported as a component of accumulated other comprehensive income. For investments in an unrealized loss position that are determined to be other than temporary, unrealized losses are reclassified out of accumulated other comprehensive income and into earnings as an impairment loss. Upon sale, realized gains and losses on the sale of marketable securities are computed based on the specific identification of the underlying cost of the securities sold and the unrealized gains and losses previously reported in other comprehensive income are reclassified to current earnings.

The following is a summary of our available-for-sale securities:

	Available-for-Sale Securities
	Amortized Cost		Gross Unrealized Gain (Loss)			Estimated Fair Value (Net Carrying Amount)
	(In thousands)
June 30, 2011
Marketable debt securities (state and political subdivisions)	$	89,632	$	(69	)	$	89,563
Equity securities		610		485			1,095
Total marketable securities	$	90,242	$	416		$	90,658
December 31, 2010
Equity securities	$	610	$	733		$	1,343

For the six months ended June 30, 2011, we invested $157.8 million in marketable debt securities and received a total of $68.2 million related to sales and maturities of our investments in marketable debt securities.

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Debt (Carrying Amounts Of Long-Term Debt) (Details) (USD $)	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2011 HEP [Member]		Dec. 31, 2010 HEP [Member]		Jun. 30, 2011 HEP [Member] 6.25% Senior Notes Due 2015 [Member]	Mar. 31, 2010 HEP [Member] 8.25% Senior Notes Due 2018 [Member]	Jun. 30, 2011 9.875% Senior Notes Due 2017 [Member]	Dec. 31, 2010 9.875% Senior Notes Due 2017 [Member]	Jun. 30, 2011 6.25% Senior Notes Due 2015 [Member]	Dec. 31, 2010 6.25% Senior Notes Due 2015 [Member]	Jun. 30, 2011 8.25% Senior Notes Due 2018 [Member]	Dec. 31, 2010 8.25% Senior Notes Due 2018 [Member]	Jun. 30, 2011 Holly Financing Obligation [Member]	Dec. 31, 2010 Holly Financing Obligation [Member]	Jun. 30, 2011 Holly Corporation [Member]	Dec. 31, 2010 Holly Corporation [Member]
Principal							$ 185,000,000	$ 150,000,000	$ 300,000,000	$ 300,000,000	$ 185,000,000	$ 185,000,000	$ 150,000,000	$ 150,000,000
Principal															38,218,000	38,781,000
Unamortized discount									(9,918,000)	(10,491,000)	(9,646,000)	(10,961,000)	(2,059,000)	(2,212,000)
Unamortized premium - dedesignated fair value hedge											1,271,000	1,444,000
HEP Credit Agreement			186,000,000		159,000,000
Long-term debt carrying amount									290,082,000	289,509,000	176,625,000	175,483,000	147,941,000	147,788,000
Long-term debt (HEP: $510,566 and $482,271, respectively)	$ 838,866,000	$ 810,561,000	$ 510,566,000	[1]	$ 482,271,000	[1]											$ 328,300,000	$ 328,290,000

[1] HEP segment revenues from external customers were $13.8 million and $8.4 million for the three months ended June 30, 2011 and 2010, respectively, and $24.7 million and $15.5 million for the six months ended June 30, 2011 and 2010, respectively.

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Consolidated Statements Of Comprehensive Income (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements Of Comprehensive Income
Net income	$ 201,833	$ 72,666	$ 292,844	$ 49,412
Securities available-for-sale:
Unrealized gain (loss) on available-for-sale securities	(525)	(251)	(383)	(7)
Reclassification adjustment to net income on sale or maturity of marketable securities	66		66
Total unrealized gain (loss) on available-for-sale securities	(459)	(251)	(317)	(7)
Hedging instruments:
Change in fair value of cash flow hedging instruments	271	(1,696)	1,592	(3,057)
Reclassification adjustment to net income on settlement of cash flow hedging instruments		1,076		1,076
Total unrealized gain (loss) on hedging instruments	271	(620)	1,592	(1,981)
Other comprehensive income (loss) before income taxes	(188)	(871)	1,275	(1,988)
Income tax expense (benefit)	(144)	(180)	98	138
Other comprehensive income (loss)	(44)	(691)	1,177	(2,126)
Total comprehensive income	201,789	71,975	294,021	47,286
Less noncontrolling interest in comprehensive income	9,776	6,097	16,935	9,001
Comprehensive income attributable to HollyFrontier stockholders	$ 192,013	$ 65,878	$ 277,086	$ 38,285

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Holly Energy Partners

6 Months Ended

Jun. 30, 2011

Holly Energy Partners

Holly Energy Partners

NOTE 3: Holly Energy Partners

HEP, a consolidated VIE, is a publicly held master limited partnership that was formed to acquire, own and operate the petroleum product and crude oil pipeline and terminal, tankage and loading rack facilities that support our refining and marketing operations in west Texas, New Mexico, Utah, Oklahoma, Idaho and Arizona. HEP also owns and operates refined product pipelines and terminals, located primarily in Texas, that service Alon USA, Inc.'s ("Alon") refinery in Big Spring, Texas.

As of June 30, 2011, we owned a 34% interest in HEP, including the 2% general partner interest. We are HEP's primary beneficiary and therefore we consolidate HEP. See Note 17 for supplemental guarantor/non-guarantor financial information, including HEP balances included in these consolidated financial statements. All intercompany transactions with HEP are eliminated in our consolidated balances.

HEP has two primary customers (including us) and generates revenues by charging tariffs for transporting petroleum products and crude oil though its pipelines, by charging fees for terminalling refined products and other hydrocarbons, and storing and providing other services at its storage tanks and terminals. Under our long-term transportation agreements with HEP (discussed further below), we accounted for 74% of HEP's total revenues for the six months ended June 30, 2011. We do not provide financial or equity support through any liquidity arrangements and /or guarantees to HEP.

HEP has outstanding debt under a senior secured revolving credit agreement and its senior notes. With the exception of the assets of HEP Logistics Holdings, L.P., one of our wholly-owned subsidiaries and HEP's general partner, HEP's creditors have no recourse to our assets. Any recourse to HEP's general partner would be limited to the extent of HEP Logistics Holdings, L.P.'s assets, which other than its investment in HEP, are not significant. Furthermore, our creditors have no recourse to the assets of HEP and its consolidated subsidiaries. See Note 10 for a description of HEP's debt obligations.

We have pledged 6,000,000 of our HEP common units to collateralize certain crude oil purchases in 2011.

HEP has risk associated with its operations. If a major shipper of HEP were to terminate its contracts or fail to meet desired shipping levels for an extended period of time, revenue would be reduced and HEP could suffer substantial losses to the extent that a new customer is not found. In the event that HEP incurs a loss, our operating results will reflect HEP's loss, net of intercompany eliminations, to the extent of our ownership interest in HEP at that point in time.

2010 Tulsa East / Lovington Storage Asset Transaction

On March 31, 2010, HEP acquired from us certain storage assets for $93 million, consisting of hydrocarbon storage tanks having approximately 2 million barrels of storage capacity, a rail loading rack and a truck unloading rack located at our Tulsa Refinery east facility and an asphalt loading rack facility located at our Navajo Refinery facility located in Lovington, New Mexico.

Transportation Agreements

HEP serves our refineries in New Mexico, Utah and Oklahoma under the following long-term pipeline and terminal, tankage and throughput agreements:

• HEP PTA (pipelines and terminals throughput agreement expiring in 2019 that relates to the pipelines and terminal assets that we contributed to HEP upon its initial public offering in 2004);

• HEP IPA (intermediate pipelines throughput agreement expiring in 2024 that relates to the intermediate pipelines sold to HEP in 2005 and 2009);

• HEP CPTA (crude pipelines and tankage throughput agreement expiring in 2023 that relates to the crude pipelines and tankage assets sold to HEP in 2008);

• HEP PTTA (pipeline, tankage and loading rack throughput agreement expiring in 2024 that relates to the Tulsa east storage tank and loading rack facilities acquired in 2009 and 2010);

• HEP RPA (pipeline throughput agreement expiring in 2024 that relates to the Roadrunner Pipeline sold to HEP in 2009);

• HEP ETA (equipment and throughput agreement expiring in 2024 that relates to the Tulsa west loading rack facilities sold to HEP in 2009);

• HEP NPA (natural gas pipeline throughput agreement expiring in 2024); and

• HEP ATA (loading rack throughput agreement expiring in 2025 that relates to the Lovington asphalt loading rack facility sold to HEP in March 2010).

Under these agreements, we pay HEP fees to transport, store and throughput volumes of refined product and crude oil on HEP's pipeline and terminal, tankage and loading rack facilities that result in minimum annual payments to HEP. These minimum annual payments are subject to annual tariff rate adjustments on July 1, based on the Producer Price Index ("PPI") or Federal Energy Regulatory Commission ("FERC") index, but with the exception of the HEP IPA, generally will not decrease as a result of a decrease in the PPI or FERC index. As of July 1, 2011, these agreements result in minimum annualized payments to HEP of $140 million.

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Holly-Frontier Merger (Schedule Of Proforma Revenues And Net Income) (Details) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Holly-Frontier Merger
Sales and other revenues	$ 5,037,660	$ 3,694,740	$ 9,272,899	$ 6,841,174
Net income attributable to HollyFrontier stockholders	$ 368,375	$ 140,351	$ 601,791	$ 80,494
Basic earnings per share	$ 3.52	$ 1.34	$ 5.74	$ 0.77
Diluted earnings per share	$ 3.50	$ 1.34	$ 5.72	$ 0.77

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Debt (Tables)

6 Months Ended

Jun. 30, 2011

Debt

Carrying Amounts Of Long-Term Debt

	June 30, 2011			December 31, 2010
	(In thousands)
HollyFrontier 9.875% Senior Notes
Principal	$	300,000		$	300,000
Unamortized discount		(9,918	)		(10,491	)
		290,082			289,509
HollyFrontier financing obligation
Principal		38,218			38,781
Total HollyFrontier long-term debt		328,300			328,290
HEP Credit Agreement		186,000			159,000
HEP 6.25% Senior Notes
Principal		185,000			185,000
Unamortized discount		(9,646	)		(10,961	)
Unamortized premium – dedesignated fair value hedge		1,271			1,444
		176,625			175,483
HEP 8.25% Senior Notes
Principal		150,000			150,000
Unamortized discount		(2,059	)		(2,212	)
		147,941			147,788
Total HEP long-term debt		510,566			482,271
Total long-term debt	$	838,866		$	810,561

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Other Comprehensive Income (Loss) (Accumulated Other Comprehensive Loss In Equity) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Other Comprehensive Income (Loss)
Pension obligation adjustment	$ (22,672)	$ (22,672)
Retiree medical obligation adjustment	(1,894)	(1,894)
Unrealized gain on available-for-sale securities	258	451
Unrealized loss on hedging activities, net of noncontrolling interest	(1,783)	(2,131)
Accumulated other comprehensive loss	$ (26,091)	$ (26,246)

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Retirement Plan (Net Periodic Pension Expense) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Retirement Plan
Service cost - benefit earned during the period	$ 1,268	$ 1,156	$ 2,535	$ 2,298
Interest cost on projected benefit obligations	1,281	1,291	2,562	2,577
Expected return on plan assets	(1,339)	(1,164)	(2,678)	(2,288)
Amortization of prior service cost	97	98	195	195
Amortization of net loss	533	474	1,066	1,098
Net periodic pension expense	$ 1,840	$ 1,855	$ 3,680	$ 3,880

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Debt (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended		1 Months Ended	3 Months Ended			6 Months Ended	3 Months Ended	6 Months Ended		6 Months Ended				1 Months Ended	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	May 31, 2010 HEP [Member]	Mar. 31, 2010 HEP [Member] MMbls	Jun. 30, 2011 HEP [Member]	Dec. 31, 2010 HEP [Member]	Jun. 30, 2011 HEP [Member] 6.25% Senior Notes Due 2015 [Member]	Mar. 31, 2011 HEP [Member] 8.25% Senior Notes Due 2018 [Member]	Jun. 30, 2011 HEP [Member] 8.25% Senior Notes Due 2018 [Member]	Mar. 31, 2010 HEP [Member] 8.25% Senior Notes Due 2018 [Member]	Jun. 30, 2011 HEP [Member] HEP Credit Agreement [Member]	Jun. 30, 2011 HEP [Member] HEP Previous Credit Agreement [Member]	Dec. 31, 2010 HEP [Member] HEP Previous Credit Agreement [Member]	Jun. 30, 2011 Letter Of Credit [Member] Holly Credit Agreement [Member]	Oct. 31, 2009 Plains [Member] Lease [Member] bbl	Jun. 30, 2011 Secured Debt [Member] Holly Credit Agreement [Member]	Jun. 30, 2011 9.875% Senior Notes Due 2017 [Member]	Dec. 31, 2010 9.875% Senior Notes Due 2017 [Member]	Jun. 30, 2011 6.25% Senior Notes Due 2015 [Member]	Dec. 31, 2010 6.25% Senior Notes Due 2015 [Member]	Jun. 30, 2011 8.25% Senior Notes Due 2018 [Member]	Dec. 31, 2010 8.25% Senior Notes Due 2018 [Member]	Jun. 30, 2011 Holly Credit Agreement [Member]
Maximum borrowing capacity under revolving credit agreement													$ 275,000,000		$ 300,000,000			$ 400,000,000
Borrowings outstanding under revolving credit agreement							186,000,000	159,000,000					186,000,000			76,800,000
Debt instrument expiration date									March 2015	March 2018	2018		February 2016	August 2011				March 2013	June 2017
Unused commitment																									323,200,000
Debt instrument, stated percentage									6.25%	8.25%	8.25%								9.875%
Conditional maturity date, senior notes													Sep. 01, 2014
Senior notes									185,000,000			150,000,000							300,000,000	300,000,000	185,000,000	185,000,000	150,000,000	150,000,000
Senior notes, aggregate principal amount																			290,082,000	289,509,000	176,625,000	175,483,000	147,941,000	147,788,000
Net proceeds received											147,500,000
Proceeds from sale of storage assets						93,000,000											40,000,000
Repayment of outstanding credit facility balance					16,000,000								42,000,000
Storage capacity sold (number of barrels)						2,000,000											400,000
Term of lease																	15
Capital lease obligations																	40,000,000
Capitalized interest attributable to construction projects	$ 4,300,000	$ 600,000	$ 7,900,000	$ 1,900,000

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Supplemental Guarantor/Non-Guarantor Financial Information (Narrative) (Details)	6 Months Ended
	Jun. 30, 2011
HEP [Member]
Percentage of ownership in variable interest entity	34.00%
9.875% Senior Notes Due 2017 [Member]
Debt instrument, stated percentage	9.875%

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Financial Instruments

6 Months Ended

Jun. 30, 2011

Financial Instruments

Financial Instruments

NOTE 4: Financial Instruments

Our financial instruments consist of cash and cash equivalents, investments in marketable securities, accounts receivable, accounts payable, debt and derivative instruments. The carrying amounts of cash and cash equivalents, accounts receivable and accounts payable approximate fair value due to the short-term maturity of these instruments.

As of June 30, 2011, debt consisted of borrowings outstanding under HEP's $275 million revolving credit agreement (the "HEP Credit Agreement"), our 9.875% senior notes due 2017 (the "HollyFrontier 9.875% Senior Notes"), HEP's 6.25% senior notes due 2015 (the "HEP 6.25% Senior Notes") and HEP's 8.25% senior notes due 2018 (the "HEP 8.25% Senior Notes"). The $186 million carrying amount of borrowings outstanding under the HEP Credit Agreement approximates fair value as interest rates are reset frequently using current interest rates. At June 30, 2011, the estimated fair values of the HollyFrontier 9.875% Senior Notes, HEP 6.25% Senior Notes and HEP 8.25% Senior Notes were $333.8 million, $184.1 million and $159.4 million , respectively. These fair value estimates are based on market quotes provided from a third-party bank. See Note 10 for additional information on these debt instruments.

Fair value measurements are derived using inputs (assumptions that market participants would use in pricing an asset or liability, including assumptions about risk). GAAP categorizes inputs used in fair value measurements into three broad levels as follows:

• (Level 1) Quoted prices in active markets for identical assets or liabilities.

• (Level 2) Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets, similar assets and liabilities in markets that are not active or can be corroborated by observable market data.

• (Level 3) Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. This includes valuation techniques that involve significant unobservable inputs.

Our investments in marketable securities are measured at fair value using quoted market prices, a Level 1 input. See Note 7 for additional information on our investments in marketable securities, including fair value measurements.

We have commodity price swaps and HEP has an interest rate swap that is measured at fair value on a recurring basis using Level 2 inputs. With respect to these instruments, fair value is based on the net present value of expected future cash flows related to both variable and fixed rate legs of the respective swap agreements. The measurements are computed using market-based observable inputs, quoted forward commodity prices with respect to our commodity price swaps and the forward London Interbank Offered Rate ("LIBOR") yield curve with respect to HEP's interest rate swap. See Note 11 for additional information on these swap contracts, including fair value measurements.

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Financial Instruments (Details) (USD $)			6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2011 HEP [Member]	Dec. 31, 2010 HEP [Member]	Jun. 30, 2011 HEP [Member] 6.25% Senior Notes Due 2015 [Member]	Mar. 31, 2011 HEP [Member] 8.25% Senior Notes Due 2018 [Member]	Jun. 30, 2011 HEP [Member] 8.25% Senior Notes Due 2018 [Member]	Jun. 30, 2011 HEP [Member] HEP Credit Agreement [Member]	Jun. 30, 2011 9.875% Senior Notes Due 2017 [Member]
Maximum borrowing capacity under revolving credit agreement						$ 275,000,000
Borrowings outstanding under revolving credit agreement	186,000,000	159,000,000				186,000,000
Percentage interest on debt instrument			6.25%	8.25%	8.25%		9.875%
Senior notes maturity date			March 2015	March 2018	2018	February 2016	June 2017
Estimated fair value of senior notes			$ 184,100,000		$ 159,400,000		$ 333,800,000

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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2011

Stock-Based Compensation

Summary Of Restricted Stock Activity

Restricted Stock	Grants			Weighted- Average Grant Date Fair Value		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2011 (non-vested)		346,996		$	29.31
Vesting and transfer of ownership to recipients		(158,528	)		31.18
Granted		102,710			58.23
Forfeited		(12,965	)		52.02
Outstanding at June 30, 2011 (non-vested)		278,213		$	37.86	$	16,904

Summary Of Performance Share Unit Activity

Performance Share Units	Grants
Outstanding at January 1, 2011 (non-vested)		278,093
Vesting and transfer of ownership to recipients		(53,962	)
Granted		61,491
Outstanding at June 30, 2011 (non-vested)		285,622

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Supplemental Guarantor/Non-Guarantor Financial Information (Condensed Consolidating Statement Of Income) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Sales and other revenues	$ 2,967,133	$ 2,145,860	$ 5,293,718	$ 4,020,150
Cost of products sold	2,447,095	1,848,212	4,431,712	3,572,076
Operating expenses	139,345	120,831	274,088	248,375
General and administrative expenses	18,682	15,829	35,500	33,698
Depreciation and amortization	31,832	28,824	63,140	56,581
Total operating costs and expenses	2,636,954	2,013,696	4,804,440	3,910,730
Income from operations	330,179	132,164	489,278	109,420
Equity in earnings of subsidiaries and joint venture	467	544	1,207	1,025
Interest income (expense)	(14,536)	(20,388)	(30,655)	(38,051)
Merger transaction costs	(2,316)		(6,014)
Other income (expense) total	(16,385)	(19,844)	(35,462)	(37,026)
Income before income taxes	313,794	112,320	453,816	72,394
Income tax provision	111,961	39,654	160,972	22,982
Net income	201,833	72,666	292,844	49,412
Less net income attributable to noncontrolling interest	9,598	6,504	15,915	11,344
Net income attributable to HollyFrontier stockholders	192,235	66,162	276,929	38,068
Parent Company [Member]
Sales and other revenues	153	150	801	217
Cost of products sold
Operating expenses
General and administrative expenses	16,976	13,916	32,329	28,801
Depreciation and amortization	907	928	1,847	1,871
Total operating costs and expenses	17,883	14,844	34,176	30,672
Income from operations	(17,730)	(14,694)	(33,375)	(30,455)
Equity in earnings of subsidiaries and joint venture	329,496	130,097	488,453	109,989
Interest income (expense)	(5,063)	(9,527)	(11,872)	(18,670)
Merger transaction costs	(2,316)		(6,014)
Other income (expense) total	322,117	120,570	470,567	91,319
Income before income taxes	304,387	105,876	437,192	60,864
Income tax provision	111,943	39,608	160,726	22,842
Net income	192,444	66,268	276,466	38,022
Less net income attributable to noncontrolling interest
Net income attributable to HollyFrontier stockholders	192,444	66,268	276,466	38,022
Guarantor Restricted Subsidiaries [Member]
Sales and other revenues	2,953,226	2,137,361	5,268,318	4,004,534
Cost of products sold	2,483,435	1,884,676	4,501,361	3,641,183
Operating expenses	124,992	107,463	246,677	222,063
General and administrative expenses	133		235	421
Depreciation and amortization	23,644	20,825	46,805	41,779
Total operating costs and expenses	2,632,204	2,012,964	4,795,078	3,905,446
Income from operations	321,022	124,397	473,240	99,088
Equity in earnings of subsidiaries and joint venture	9,268	6,819	16,831	13,299
Interest income (expense)	(795)	(1,119)	(1,618)	(2,398)
Merger transaction costs
Other income (expense) total	8,473	5,700	15,213	10,901
Income before income taxes	329,495	130,097	488,453	109,989
Income tax provision
Net income	329,495	130,097	488,453	109,989
Less net income attributable to noncontrolling interest
Net income attributable to HollyFrontier stockholders	329,495	130,097	488,453	109,989
Non-Guarantor Restricted Subsidiaries [Member]
Sales and other revenues
Cost of products sold		86		12
Operating expenses	121		509
General and administrative expenses
Depreciation and amortization	179	179	358	(471)
Total operating costs and expenses	300	265	867	(459)
Income from operations	(300)	(265)	(867)	459
Equity in earnings of subsidiaries and joint venture	9,480	7,007	17,500	12,936
Interest income (expense)	13	12	26	20
Merger transaction costs
Other income (expense) total	9,493	7,019	17,526	12,956
Income before income taxes	9,193	6,754	16,659	13,415
Income tax provision
Net income	9,193	6,754	16,659	13,415
Less net income attributable to noncontrolling interest
Net income attributable to HollyFrontier stockholders	9,193	6,754	16,659	13,415
Eliminations From Consolidation Of Restricted Subsidiaries [Member]
Sales and other revenues
Cost of products sold
Operating expenses
General and administrative expenses
Depreciation and amortization
Total operating costs and expenses
Income from operations
Equity in earnings of subsidiaries and joint venture	(338,764)	(136,916)	(505,284)	(123,288)
Interest income (expense)
Merger transaction costs
Other income (expense) total	(338,764)	(136,916)	(505,284)	(123,288)
Income before income taxes	(338,764)	(136,916)	(505,284)	(123,288)
Income tax provision
Net income	(338,764)	(136,916)	(505,284)	(123,288)
Less net income attributable to noncontrolling interest	(75)	(65)	(172)	116
Net income attributable to HollyFrontier stockholders	(338,689)	(136,851)	(505,112)	(123,404)
Holly Corp. Before Consolidation Of HEP [Member]
Sales and other revenues	2,953,379	2,137,511	5,269,119	4,004,751
Cost of products sold	2,483,435	1,884,762	4,501,361	3,641,195
Operating expenses	125,113	107,463	247,186	222,063
General and administrative expenses	17,109	13,916	32,564	29,222
Depreciation and amortization	24,730	21,932	49,010	43,179
Total operating costs and expenses	2,650,387	2,028,073	4,830,121	3,935,659
Income from operations	302,992	109,438	438,998	69,092
Equity in earnings of subsidiaries and joint venture	9,480	7,007	17,500	12,936
Interest income (expense)	(5,845)	(10,634)	(13,464)	(21,048)
Merger transaction costs	(2,316)		(6,014)
Other income (expense) total	1,319	(3,627)	(1,978)	(8,112)
Income before income taxes	304,311	105,811	437,020	60,980
Income tax provision	111,943	39,608	160,726	22,842
Net income	192,368	66,203	276,294	38,138
Less net income attributable to noncontrolling interest	(75)	(65)	(172)	116
Net income attributable to HollyFrontier stockholders	192,443	66,268	276,466	38,022
Non-Guarantor Non-Restricted Subsidiaries (HEP Segment) [Member]
Sales and other revenues	50,940	45,483	95,945	86,172
Cost of products sold
Operating expenses	14,366	13,495	27,162	26,555
General and administrative expenses	1,573	1,913	2,936	4,476
Depreciation and amortization	7,309	7,187	14,544	13,992
Total operating costs and expenses	23,248	22,595	44,642	45,023
Income from operations	27,692	22,888	51,303	41,149
Equity in earnings of subsidiaries and joint venture	467	544	1,207	1,025
Interest income (expense)	(9,286)	(10,109)	(18,398)	(18,213)
Merger transaction costs
Other income (expense) total	(8,819)	(9,565)	(17,191)	(17,188)
Income before income taxes	18,873	13,323	34,112	23,961
Income tax provision	18	46	246	140
Net income	18,855	13,277	33,866	23,821
Less net income attributable to noncontrolling interest
Net income attributable to HollyFrontier stockholders	18,855	13,277	33,866	23,821
Eliminations [Member]
Sales and other revenues	(37,186)	(37,134)	(71,346)	(70,773)
Cost of products sold	(36,340)	(36,550)	(69,649)	(69,119)
Operating expenses	(134)	(127)	(260)	(243)
General and administrative expenses
Depreciation and amortization	(207)	(295)	(414)	(590)
Total operating costs and expenses	(36,681)	(36,972)	(70,323)	(69,952)
Income from operations	(505)	(162)	(1,023)	(821)
Equity in earnings of subsidiaries and joint venture	(9,480)	(7,007)	(17,500)	(12,936)
Interest income (expense)	595	355	1,207	1,210
Merger transaction costs
Other income (expense) total	(8,885)	(6,652)	(16,293)	(11,726)
Income before income taxes	(9,390)	(6,814)	(17,316)	(12,547)
Income tax provision
Net income	(9,390)	(6,814)	(17,316)	(12,547)
Less net income attributable to noncontrolling interest	9,673	6,569	16,087	11,228
Net income attributable to HollyFrontier stockholders	$ (19,063)	$ (13,383)	$ (33,403)	$ (23,775)

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Segment Information (Narrative) (Details)	6 Months Ended
	Jun. 30, 2011
Reportable segments	2
HEP [Member] | SLC Pipeline Project [Member]
Percentage of interest owned pipeline project	25.00%

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Equity (Tables)

6 Months Ended

Jun. 30, 2010

Equity

Changes To Equity

	HollyFrontier Stockholders' Equity			Noncontrolling Interest			Total Equity
	(In thousands)
Balance at December 31, 2010	$	697,419		$	590,720		$	1,288,139
Net income		276,929			15,915			292,844
Dividends		(16,024	)		—			(16,024	)
Distributions to noncontrolling interest holders		—			(25,133	)		(25,133	)
Other comprehensive income		157			1,020			1,177
Contribution from joint venture partner		—			16,500			16,500
Equity based compensation		4,480			1,082			5,562
Excess tax benefit on equity based compensation arrangements		498			—			498
Purchase of HEP units for restricted grants		—			(1,379	)		(1,379	)
Purchase of treasury stock (1)		(2,996	)		—			(2,996	)
Balance at June 30, 2011	$	960,463		$	598,725		$	1,559,188

(1) Includes 56,813 shares purchased under the terms of restricted stock agreements to provide funds for the payment of payroll and income taxes due at vesting of restricted stock.

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Holly Energy Partners (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
	Mar. 31, 2010 MMbls	Jun. 30, 2011
Common HEP units collateralized for crude oil		1,000,000
Securities Pledged as Collateral [Member] | HEP [Member]
Common HEP units collateralized for crude oil		6,000,000
HEP [Member]
Percentage of ownership in variable interest entity		34.00%
Percentage of general partner interest		2.00%
Percentage of revenue Holly Corp represents		74.00%
Sale of storage assets to HEP	$ 93
Storage capacity sold (number of barrels)	2,000,000
Annual contract payment		$ 140
HEP PTA [Member]
Agreement expiration year		2019
HEP IPA [Member]
Agreement expiration year		2024
HEP CPTA [Member]
Agreement expiration year		2023
HEP PTTA [Member]
Agreement expiration year		2024
HEP RPA [Member]
Agreement expiration year		2024
HEP ETA [Member]
Agreement expiration year		2024
HEP NPA [Member]
Agreement expiration year		2024
HEP ATA [Member]
Agreement expiration year		2025

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Inventories (Tables)

6 Months Ended

Jun. 30, 2011

Inventories

Inventory Components

	June 30, 2011		December 31, 2010
	(In thousands)
Crude oil	$	179,650	$	96,570
Other raw materials and unfinished products (1)		56,677		68,792
Finished products (2)		208,406		188,274
Process chemicals (3)		22,576		22,512
Repairs and maintenance supplies and other		27,991		24,219
Total inventory	$	495,300	$	400,367

(1) Other raw materials and unfinished products include feedstocks and blendstocks, other than crude.

(2) Finished products include gasolines, jet fuels, diesels, lubricants, asphalts, LPG's and residual fuels.

(3) Process chemicals include catalysts, additives and other chemicals.

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Equity

6 Months Ended

Jun. 30, 2011

Equity

Equity

NOTE 12: Equity

Changes to equity during the six months ended June 30, 2011 are presented below:

	HollyFrontier Stockholders' Equity			Noncontrolling Interest			Total Equity
	(In thousands)
Balance at December 31, 2010	$	697,419		$	590,720		$	1,288,139
Net income		276,929			15,915			292,844
Dividends		(16,024	)		—			(16,024	)
Distributions to noncontrolling interest holders		—			(25,133	)		(25,133	)
Other comprehensive income		157			1,020			1,177
Contribution from joint venture partner		—			16,500			16,500
Equity based compensation		4,480			1,082			5,562
Excess tax benefit on equity based compensation arrangements		498			—			498
Purchase of HEP units for restricted grants		—			(1,379	)		(1,379	)
Purchase of treasury stock (1)		(2,996	)		—			(2,996	)
Balance at June 30, 2011	$	960,463		$	598,725		$	1,559,188

(1) Includes 56,813 shares purchased under the terms of restricted stock agreements to provide funds for the payment of payroll and income taxes due at vesting of restricted stock.

During the six months ended June 30, 2011, we repurchased shares of our common stock at market price from certain executives and employees costing $3 million. These purchases were made under the terms of restricted stock and performance share unit agreements to provide funds for the payment of payroll and income taxes due at the vesting of restricted and performance shares in the case of officers and employees who did not elect to satisfy such taxes by other means.

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Equity (Changes To Equity) (Details) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011		Jun. 30, 2010
Balance at December 31, 2010			$ 1,288,139
Net income	201,833	72,666	292,844		49,412
Dividends			(16,024)
Distributions to noncontrolling interest holders			(25,133)		(23,933)
Other comprehensive income	(44)	(691)	1,177		(2,126)
Contribution from joint venture partner			16,500		5,000
Equity based compensation			5,562		5,440
Excess tax benefit on equity based compensation arrangements			498		(1,313)
Purchase of units for restricted grants			(1,379)		(2,276)
Purchase of treasury stock			(2,996)	[1]	(1,308)
Balance at June 30, 2011	1,559,188		1,559,188
Restricted Stock [Member]
Shares repurchased for the payment of taxes			56,813
Holly Corporation Stockholders' Equity [Member]
Balance at December 31, 2010			697,419
Net income			276,929
Dividends			(16,024)
Distributions to noncontrolling interest holders
Other comprehensive income			157
Contribution from joint venture partner
Equity based compensation			4,480
Excess tax benefit on equity based compensation arrangements			498
Purchase of units for restricted grants
Purchase of treasury stock			(2,996)	[1]
Balance at June 30, 2011	960,463		960,463
Noncontrolling Interest [Member]
Balance at December 31, 2010			590,720
Net income			15,915
Dividends
Distributions to noncontrolling interest holders			(25,133)
Other comprehensive income			1,020
Contribution from joint venture partner			16,500
Equity based compensation			1,082
Excess tax benefit on equity based compensation arrangements
Purchase of units for restricted grants			(1,379)
Purchase of treasury stock				[1]
Balance at June 30, 2011	$ 598,725		$ 598,725

[1] Includes 56,813 shares purchased under the terms of restricted stock agreements to provide funds for the payment of payroll and income taxes due at vesting of restricted stock.

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Contingencies (Details) (USD $) In Millions	1 Months Ended	12 Months Ended	1 Months Ended	0 Months Ended
	May 28, 2010 January 1992 Through July 2000	Dec. 31, 2003 January 1992 Through July 2000	Apr. 30, 2008 June 2006 Through November 2007	May 18, 2009 December 2008 Through November 2010
Legal settlement received		$ 15.3	$ 1.3
Additional legal settlement	$ 8.6			$ 2.9

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Earnings Per Share

6 Months Ended

Jun. 30, 2011

Earnings Per Share

Earnings Per Share

NOTE 5: Earnings Per Share

Basic earnings per share is calculated as net income attributable to HollyFrontier stockholders divided by the average number of shares of common stock outstanding. Diluted earnings per share assumes, when dilutive, the issuance of the net incremental shares from stock options, variable restricted shares and variable performance shares. The following is a reconciliation of the denominators of the basic and diluted per share computations for net income attributable to HollyFrontier stockholders:

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
	(In thousands, except per share data)
Earnings attributable to HollyFrontier stockholders	$	192,235	$	66,162	$	276,929	$	38,068
Average number of shares of common stock outstanding		53,365		53,206		53,336		53,152
Effect of dilutive stock options, variable restricted shares and performance share units		305		202		307		223
Average number of shares of common stock outstanding assuming dilution		53,670		53,408		53,643		53,375
Basic earnings per share	$	3.60	$	1.24	$	5.19	$	0.72
Diluted earnings per share	$	3.58	$	1.24	$	5.16	$	0.71

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Contingencies

6 Months Ended

Jun. 30, 2011

Contingencies

Contingencies

NOTE 15: Contingencies

In May 2007, the United States Court of Appeals for the District of Columbia Circuit ("Court of Appeals") issued its decision on petitions for review, brought by us and other parties, concerning rulings by the FERC in proceedings brought by us and other parties against SFPP, L.P. ("SFPP"). These proceedings relate to tariffs of common carrier pipelines, which are owned and operated by SFPP, for shipments of refined products from El Paso, Texas to Tucson and Phoenix, Arizona and from points in California to points in Arizona. We are one of several refiners that regularly utilize the SFPP pipeline to ship refined products from El Paso, Texas to Tucson and Phoenix, Arizona on SFPP's East Line. The Court of Appeals in its May 2007 decision approved a FERC position, which is adverse to us, on the treatment of income taxes in the calculation of allowable rates for pipelines operated by partnerships and ruled in our favor on an issue relating to our rights to reparations when it is determined that certain tariffs we paid to SFPP in the past were too high. The case was remanded to FERC and consolidated with other cases that together addressed SFPP's rates for the period from January 1992 through May 2006. In 2003 we received an initial payment of $15.3 million from SFPP as reparations for the period from 1992 through July 2000. On April 16, 2010, a settlement among us, SFPP, and other shippers was filed with FERC for its approval. FERC approved the settlement on May 28, 2010. Pursuant to the settlement, we received an additional settlement payment of $8.6 million. This settlement finally resolves the amount of additional payments SFPP owes us for the period January 1992 through May 2006.

We and other shippers also engaged in settlement discussions with SFPP relating to East Line service in the FERC proceedings that address periods after May 2006. A partial settlement covering the period June 2006 through November 2007, which became final in February 2008, resulted in a payment from SFPP to us of $1.3 million in April 2008. On October 22, 2008, we and other shippers jointly filed at the FERC with SFPP a settlement covering the period from December 2008 through November 2010. The FERC approved the settlement on January 29, 2009. The settlement reduced SFPP's current rates and required SFPP to make additional payments to us of $2.9 million, which were received on May 18, 2009.

On June 2, 2009, SFPP notified us that it would terminate the October 22, 2008 settlement, as provided under the settlement, effective August 31, 2009. On July 31, 2009, SFPP filed substantial rate increases for East Line service to become effective September 1, 2009. We and several other shippers filed protests at the FERC challenging the rate increase and asking the FERC to suspend the effectiveness of the increased rates. On August 31, 2009, the FERC issued an order suspending the effective date of the rate increase until January 1, 2010, on which date the rate increase was placed into effect subject to refund, and setting the rate increase for a full evidentiary hearing to be held in 2010. SFPP subsequently reduced its rates for the East Line service, effective September 1, 2010. The rates placed in effect on January 1, 2010, and the lower rates put into effect on September 1, 2010, remain subject to refund subject to the outcome of the evidentiary hearing. We are not in a position to predict the ultimate outcome of the rate proceeding.

We are a party to various other litigation and proceedings which we believe, based on advice of counsel, will not either individually or in the aggregate have a materially adverse impact on our financial condition, results of operations or cash flows.

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Supplemental Guarantor/Non-Guarantor Financial Information (Condensed Consolidating Balance Sheet) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010	Dec. 31, 2009
Cash and cash equivalents	$ 426,689	$ 229,101	$ 140,212	$ 124,596
Marketable securities	65,854	1,343
Accounts receivable	1,003,527	993,116
Inventories	495,300	400,367
Income taxes receivable		51,034
Prepayments and other assets	33,604	28,474
Total current assets	2,024,974	1,703,435
Properties and equipment, net	1,859,763	1,756,691
Marketable securities (long-term)	24,804
Intangibles and other assets	255,762	241,349
Total assets	4,165,303	3,701,475
Accounts payable	1,450,640	1,317,446
Income taxes payable	23,002
Accrued liabilities	83,951	72,409
Total current liabilities	1,557,593	1,389,855
Long-term debt	838,866	810,561
Non-current liabilities	81,191	80,985
Deferred income taxes	128,465	131,935
Equity - Holly Corporation	960,463	697,419
Equity - noncontrolling interest	598,725	590,720
Total liabilities and equity	4,165,303	3,701,475
Parent Company [Member]
Cash and cash equivalents	414,141	230,082	131,107	127,560
Marketable securities	64,759
Accounts receivable	3,074	1,683
Intercompany accounts receivable (payable)	(1,844,815)	(1,401,580)
Income taxes receivable		51,034
Prepayments and other assets	17,828	10,210
Total current assets	(1,345,013)	(1,108,571)
Properties and equipment, net	17,713	17,177
Marketable securities (long-term)	24,804
Investment in subsidiaries	2,766,499	2,273,159
Intangibles and other assets	16,284	8,569
Total assets	1,480,287	1,190,334
Accounts payable	7,278	7,170
Income taxes payable	23,002
Accrued liabilities	29,133	25,512
Total current liabilities	59,413	32,682
Long-term debt	290,083	289,509
Non-current liabilities	46,315	42,655
Deferred income taxes	122,565	126,160
Equity - Holly Corporation	961,911	699,328
Total liabilities and equity	1,480,287	1,190,334
Guarantor Restricted Subsidiaries [Member]
Cash and cash equivalents	(1,656)	(9,035)	(6,201)	(12,477)
Marketable securities	1,095	1,343
Accounts receivable	1,000,967	991,778
Intercompany accounts receivable (payable)	1,418,880	981,691
Inventories	495,115	400,165
Prepayments and other assets	18,809	20,942
Total current assets	2,933,210	2,386,884
Properties and equipment, net	1,031,585	1,017,877
Investment in subsidiaries	664,480	595,888
Intangibles and other assets	82,491	77,600
Total assets	4,711,766	4,078,249
Accounts payable	1,447,891	1,319,316
Accrued liabilities	40,738	28,145
Total current liabilities	1,488,629	1,347,461
Long-term debt	54,913	55,706
Non-current liabilities	25,712	27,521
Deferred income taxes	176	259
Distributions in excess of inv in HEP	375,837	374,143
Equity - Holly Corporation	2,766,499	2,273,159
Total liabilities and equity	4,711,766	4,078,249
Non-Guarantor Restricted Subsidiaries [Member]
Cash and cash equivalents	12,802	7,651	12,500	7,005
Accounts receivable	57
Intercompany accounts receivable (payable)	425,935	419,889
Total current assets	438,794	427,540
Properties and equipment, net	315,691	236,648
Investment in subsidiaries	(394,949)	(393,011)
Total assets	359,536	271,177
Accounts payable	7,683	3,575
Accrued liabilities	1,858	797
Total current liabilities	9,541	4,372
Deferred income taxes	773	565
Equity - Holly Corporation	349,222	266,240
Total liabilities and equity	359,536	271,177
Eliminations From Consolidation Of Restricted Subsidiaries [Member]
Investment in subsidiaries	(3,036,030)	(2,476,036)
Total assets	(3,036,030)	(2,476,036)
Equity - Holly Corporation	(3,115,721)	(2,539,399)
Equity - noncontrolling interest	79,691	63,363
Total liabilities and equity	(3,036,030)	(2,476,036)
Holly Corp. Before Consolidation Of HEP [Member]
Cash and cash equivalents	425,287	228,698	137,406	122,088
Marketable securities	65,854	1,343
Accounts receivable	1,004,098	993,461
Inventories	495,115	400,165
Income taxes receivable		51,034
Prepayments and other assets	36,637	31,152
Total current assets	2,026,991	1,705,853
Properties and equipment, net	1,364,989	1,271,702
Marketable securities (long-term)	24,804
Intangibles and other assets	98,775	86,169
Total assets	3,515,559	3,063,724
Accounts payable	1,462,852	1,330,061
Income taxes payable	23,002
Accrued liabilities	71,729	54,454
Total current liabilities	1,557,583	1,384,515
Long-term debt	344,996	345,215
Non-current liabilities	72,027	70,176
Deferred income taxes	123,514	126,984
Distributions in excess of inv in HEP	375,837	374,143
Equity - Holly Corporation	961,911	699,328
Equity - noncontrolling interest	79,691	63,363
Total liabilities and equity	3,515,559	3,063,724
Non-Guarantor Non-Restricted Subsidiaries (HEP Segment) [Member]
Cash and cash equivalents	1,402	403	2,806	2,508
Accounts receivable	18,756	22,508
Inventories	185	202
Prepayments and other assets	853	573
Total current assets	21,196	23,686
Properties and equipment, net	501,469	492,098
Intangibles and other assets	155,843	154,036
Total assets	678,508	669,820
Accounts payable	7,115	10,238
Accrued liabilities	16,108	21,206
Total current liabilities	23,223	31,444
Long-term debt	510,566	482,271
Non-current liabilities	9,164	10,809
Equity - Holly Corporation	135,555	145,296
Total liabilities and equity	678,508	669,820
Eliminations [Member]
Accounts receivable	(19,327)	(22,853)
Prepayments and other assets	(3,886)	(3,251)
Total current assets	(23,213)	(26,104)
Properties and equipment, net	(6,695)	(7,109)
Intangibles and other assets	1,144	1,144
Total assets	(28,764)	(32,069)
Accounts payable	(19,327)	(22,853)
Accrued liabilities	(3,886)	(3,251)
Total current liabilities	(23,213)	(26,104)
Long-term debt	(16,696)	(16,925)
Deferred income taxes	4,951	4,951
Distributions in excess of inv in HEP	(375,837)	(374,143)
Equity - Holly Corporation	(137,003)	(147,205)
Equity - noncontrolling interest	519,034	527,357
Total liabilities and equity	$ (28,764)	$ (32,069)

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Segment Information (Schedule Of Segment Reporting Information) (Details) (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010		Dec. 31, 2010
Sales and other revenues	$ 2,967,133,000		$ 2,145,860,000		$ 5,293,718,000		$ 4,020,150,000
Depreciation and amortization	31,832,000		28,824,000		63,140,000		56,581,000
Income (loss) from operations	330,179,000		132,164,000		489,278,000		109,420,000
Capital expenditures	82,267,000		45,432,000		156,305,000		76,530,000
Cash, cash equivalents and investments in marketable securities	517,347,000				517,347,000				230,444,000
Total assets	4,165,303,000				4,165,303,000				3,701,475,000
Long-term debt	838,866,000				838,866,000				810,561,000
HEP [Member]
Sales and other revenues	50,940,000	[1]	45,483,000	[1]	95,945,000	[1]	86,172,000	[1]
Depreciation and amortization	7,309,000	[1]	7,187,000	[1]	14,544,000	[1]	13,992,000	[1]
Income (loss) from operations	27,692,000	[1]	22,888,000	[1]	51,303,000	[1]	41,149,000	[1]
Capital expenditures	11,425,000	[1]	2,576,000	[1]	22,900,000	[1]	4,487,000	[1]
Cash, cash equivalents and investments in marketable securities	1,402,000	[1]			1,402,000	[1]			403,000	[1]
Total assets	678,508,000	[1]			678,508,000	[1]			669,820,000	[1]
Long-term debt	510,566,000	[1]			510,566,000	[1]			482,271,000	[1]
Segment revenues from external customers	13,800,000		8,400,000		24,700,000		15,500,000
Refining [Member]
Sales and other revenues	2,953,226,000		2,137,361,000		5,268,318,000		4,004,534,000
Depreciation and amortization	23,478,000		20,599,000		46,461,000		41,325,000
Income (loss) from operations	321,032,000		124,549,000		473,136,000		99,969,000
Capital expenditures	25,152,000		42,492,000		45,784,000		70,764,000
Cash, cash equivalents and investments in marketable securities
Total assets	2,614,120,000				2,614,120,000				2,490,193,000
Long-term debt
Corporate And Other [Member]
Sales and other revenues	153,000		150,000		801,000		217,000
Depreciation and amortization	1,252,000		1,333,000		2,549,000		1,854,000
Income (loss) from operations	(18,040,000)		(15,111,000)		(34,138,000)		(30,877,000)
Capital expenditures	45,690,000		364,000		87,621,000		1,279,000
Cash, cash equivalents and investments in marketable securities	515,945,000				515,945,000				230,041,000
Total assets	901,439,000				901,439,000				573,531,000
Long-term debt	344,996,000				344,996,000				345,215,000
Consolidations And Eliminations [Member]
Sales and other revenues	(37,186,000)		(37,134,000)		(71,346,000)		(70,773,000)
Depreciation and amortization	(207,000)		(295,000)		(414,000)		(590,000)
Income (loss) from operations	(505,000)		(162,000)		(1,023,000)		(821,000)
Capital expenditures
Cash, cash equivalents and investments in marketable securities
Total assets	(28,764,000)				(28,764,000)				(32,069,000)
Long-term debt	$ (16,696,000)				$ (16,696,000)				$ (16,925,000)

[1] HEP segment revenues from external customers were $13.8 million and $8.4 million for the three months ended June 30, 2011 and 2010, respectively, and $24.7 million and $15.5 million for the six months ended June 30, 2011 and 2010, respectively.

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Holly-Frontier Merger (Narrative) (Details) (USD $)	6 Months Ended
	Jun. 30, 2011
Holly-Frontier Merger
Shares converted at acquisition	51.4
Common stock to be issued per share of Frontier stock	0.4811
Market closing price, per share	$ 71.86
Aggregate consideration paid in connection with merger	$ 3,700,000,000
Merger transaction costs recognized	$ 6,000,000

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Cash And Cash Equivalents And Investments In Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2011

Cash And Cash Equivalents And Investments In Marketable Securities

Available-For-Sale Securities

	Available-for-Sale Securities
	Amortized Cost		Gross Unrealized Gain (Loss)			Estimated Fair Value (Net Carrying Amount)
	(In thousands)
June 30, 2011
Marketable debt securities (state and political subdivisions)	$	89,632	$	(69	)	$	89,563
Equity securities		610		485			1,095
Total marketable securities	$	90,242	$	416		$	90,658
December 31, 2010
Equity securities	$	610	$	733		$	1,343

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Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 292,844		$ 49,412
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	63,140		56,581
SLC Pipeline earnings, net of distributions	(82)		100
Deferred income taxes	(3,568)		(16,940)
Equity based compensation expense	5,562		5,440
Change in fair value - derivative instruments	7,155		1,464
(Increase) decrease in current assets:
Accounts receivable	(10,411)		(314)
Inventories	(94,933)		(117,633)
Income taxes receivable	51,034		38,072
Prepayments and other	(13,088)		(16,828)
Current assets of discontinued operations			2,195
Increase (decrease) in current liabilities:
Accounts payable	133,154		34,863
Income taxes payable	23,002
Accrued liabilities	16,712		5,441
Turnaround expenditures	(19,824)		(8,723)
Other, net	7,299		5,216
Net cash provided by operating activities	457,996		38,346
Cash flows from investing activities:
Additions to properties, plants and equipment	(133,405)		(72,043)
Purchases of marketable securities	(157,782)
Investment in Sabine Biofuels	(9,125)
Sales and maturities of marketable securities	68,150
Net cash used for investing activities	(255,062)		(76,530)
Cash flows from financing activities:
Borrowings under credit agreement			310,000
Repayments under credit agreement			(310,000)
Repayments under financing obligation	(563)		(415)
Purchase of treasury stock	(2,996)	[1]	(1,308)
Contribution from joint venture partner	16,500		5,000
Dividends	(15,984)		(15,901)
Distributions to noncontrolling interest	(25,133)		(23,933)
Excess tax benefit (expense) from equity based compensation	498		(1,313)
Purchase of units for restricted grants	(1,379)		(2,276)
Deferred financing costs	(3,289)		(2,655)
Issuance of common stock upon exercise of options			61
Net cash provided by (used for) financing activities	(5,346)		53,800
Cash and cash equivalents:
Increase for the period	197,588		15,616
Beginning of period	229,101		124,596
End of period	426,689		140,212
Cash paid during the period for:
Interest	34,264		31,449
Income taxes	89,935		1,043
HEP [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,544	[2]	13,992	[2]
Cash flows from investing activities:
Additions to properties, plants and equipment	(22,900)		(4,487)
Cash flows from financing activities:
Borrowings under credit agreement	64,000		39,000
Repayments under credit agreement	(37,000)		(90,000)
Proceeds from issuance of senior notes			147,540
Purchase of units for restricted grants	(1,379)		(2,276)
Cash and cash equivalents:
Beginning of period	403
End of period	$ 1,402

[1] Includes 56,813 shares purchased under the terms of restricted stock agreements to provide funds for the payment of payroll and income taxes due at vesting of restricted stock.

[2] HEP segment revenues from external customers were $13.8 million and $8.4 million for the three months ended June 30, 2011 and 2010, respectively, and $24.7 million and $15.5 million for the six months ended June 30, 2011 and 2010, respectively.

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Segment Information

6 Months Ended

Jun. 30, 2011

Segment Information

Segment Information

NOTE 16: Segment Information

Our operations are currently organized into two reportable segments, Refining and HEP. Our operations that are not included in the Refining and HEP segments are included in Corporate and Other. Intersegment transactions are eliminated in our consolidated financial statements and are included in Consolidations and Eliminations.

The Refining segment includes the operations of our Navajo, Woods Cross, and Tulsa Refineries and NK Asphalt and involves the purchase and refining of crude oil and wholesale and branded marketing of refined products, such as gasoline, diesel fuel and jet fuel. These petroleum products are primarily marketed in the Southwest, Rocky Mountain and Mid-Continent regions of the United States and northern Mexico. Additionally, the Refining segment includes specialty lubricant products produced at our Tulsa Refinery that are marketed throughout North America and are distributed in Central and South America. NK Asphalt operates various asphalt terminals in Arizona, New Mexico and Texas.

The HEP segment includes all of the operations of HEP, a consolidated VIE, which owns and operates a system of petroleum product and crude gathering pipelines in Texas, New Mexico, Oklahoma and Utah, distribution terminals in Texas, New Mexico, Arizona, Utah, Idaho, and Washington and refinery tankage in New Mexico, Utah and Oklahoma. Revenues are generated by charging tariffs for transporting petroleum products and crude oil through its pipelines, by leasing certain pipeline capacity to Alon USA, Inc., by charging fees for terminalling refined products and other hydrocarbons and storing and providing other services at its storage tanks and terminals. The HEP segment also includes a 25% interest in SLC Pipeline that services refineries in the Salt Lake City, Utah area. Revenues from the HEP segment are earned through transactions with unaffiliated parties for pipeline transportation, rental and terminalling operations as well as revenues relating to pipeline transportation services provided for our refining operations. Our revaluation of HEP's assets and liabilities at March 1, 2008 (date of reconsolidation) resulted in basis adjustments to our consolidated HEP balances. Therefore, our reported amounts for the HEP segment may not agree to amounts reported in HEP's periodic public filings.

The accounting policies for our segments are the same as those described in the summary of significant accounting policies in our Annual Report on Form 10-K for the year ended December 31, 2010.

	Refining		HEP (1)		Corporate and Other			Consolidations and Eliminations			Consolidated Total
	(In thousands)
Three Months Ended June 30, 2011
Sales and other revenues	$	2,953,226	$	50,940	$	153		$	(37,186	)	$	2,967,133
Depreciation and amortization	$	23,478	$	7,309	$	1,252		$	(207	)	$	31,832
Income (loss) from operations	$	321,032	$	27,692	$	(18,040	)	$	(505	)	$	330,179
Capital expenditures	$	25,152	$	11,425	$	45,690		$	—		$	82,267
Three Months Ended June 30, 2010
Sales and other revenues	$	2,137,361	$	45,483	$	150		$	(37,134	)	$	2,145,860
Depreciation and amortization	$	20,599	$	7,187	$	1,333		$	(295	)	$	28,824
Income (loss) from operations	$	124,549	$	22,888	$	(15,111	)	$	(162	)	$	132,164
Capital expenditures	$	42,492	$	2,576	$	364		$	—		$	45,432
Six Months Ended June 30, 2011
Sales and other revenues	$	5,268,318	$	95,945	$	801		$	(71,346	)	$	5,293,718
Depreciation and amortization	$	46,461	$	14,544	$	2,549		$	(414	)	$	63,140
Income (loss) from operations	$	473,136	$	51,303	$	(34,138	)	$	(1,023	)	$	489,278
Capital expenditures	$	45,784	$	22,900	$	87,621		$	—		$	156,305
Six Months Ended June 30, 2010
Sales and other revenues	$	4,004,534	$	86,172	$	217		$	(70,773	)	$	4,020,150
Depreciation and amortization	$	41,325	$	13,992	$	1,854		$	(590	)	$	56,581
Income (loss) from operations	$	99,969	$	41,149	$	(30,877	)	$	(821	)	$	109,420
Capital expenditures	$	70,764	$	4,487	$	1,279		$	—		$	76,530
June 30, 2011
Cash, cash equivalents and investments in marketable securities	$	—	$	1,402	$	515,945		$	—		$	517,347
Total assets	$	2,614,120	$	678,508	$	901,439		$	(28,764	)	$	4,165,303
Long-term debt	$	—	$	510,566	$	344,996		$	(16,696	)	$	838,866
December 31, 2010
Cash, cash equivalents and investments in marketable securities	$	—	$	403	$	230,041		$	—		$	230,444
Total assets	$	2,490,193	$	669,820	$	573,531		$	(32,069	)	$	3,701,475
Long-term debt	$	—	$	482,271	$	345,215		$	(16,925	)	$	810,561

(1) HEP segment revenues from external customers were $13.8 million and $8.4 million for the three months ended June 30, 2011 and 2010, respectively, and $24.7 million and $15.5 million for the six months ended June 30, 2011 and 2010, respectively.

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Stock-Based Compensation (Narrative) (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Number of share-based compensation plans			2
Compensation cost attributable to share-based compensation plans	$ 3.4	$ 2.2	$ 4.5	$ 4.1
Total income tax benefit recognized for share-based compensation arrangements	1.3	0.8	1.8	1.6
HEP [Member]
Compensation cost attributable to share-based compensation plans	0.4	0.3	1.1	1.3
Minimum [Member] | Restricted Stock [Member]
Stock vesting period, years			one
Minimum [Member] | Performance Share Units [Member]
Stock vesting period, years			one
Percentage of share units awarded that will ultimately be issued, possible range			0.00%
Percentage of share units awarded that will ultimately be issued, current estimate			150.00%
Maximum [Member] | Restricted Stock [Member]
Stock vesting period, years			five
Maximum [Member] | Performance Share Units [Member]
Stock vesting period, years			three
Percentage of share units awarded that will ultimately be issued, possible range			200.00%
Percentage of share units awarded that will ultimately be issued, current estimate			175.00%
Restricted Stock [Member]
Fair value of restricted stock vested			4.9	4.2
Total unrecognized compensation cost related to non-vested grants	5.5		5.5
Total unrecognized compensation cost, weighted-average period of recognition, years			1.0
Weighted average grant date fair value			$ 31.18
Performance Share Units [Member]
Total unrecognized compensation cost related to non-vested grants	8.2		8.2
Total unrecognized compensation cost, weighted-average period of recognition, years			1.3
Percentage of share units awarded			139.00%
Common stock issued, share			75,007
Common stock issued, fair value			$ 2.6
Weighted average grant date fair value			$ 32.86

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Subsequent Event

6 Months Ended

Jun. 30, 2010

Subsequent Event

Subsequent Event

NOTE 18: Subsequent Event

On August 3, 2011 we announced that our Board of Directors approved a two-for-one stock split payable in the form of a stock dividend of one share of common stock for each issued and outstanding share of HollyFrontier common stock and a special cash dividend of $1.00 per share.  The stock dividend is payable on August 31, 2011 to all holders of record on August 24, 2011, and the cash dividend is payable on August 22, 2011 to all holders of record on August 15, 2011. Upon completion of the stock split, we will have approximately 210 million shares of common stock outstanding.

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Subsequent Event (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended
	Aug. 03, 2011	Aug. 31, 2011
Description of stock split	On August 3, 2011 we announced that our Board of Directors approved a two-for-one stock split payable in the form of a stock dividend of one share of common stock for each issued and outstanding share of HollyFrontier common stock and a special cash dividend of $1.00 per share.
Number of shares held after stock split for each share held prior to stock split	2
Special cash dividend per share as a result of stock split	$ 1.00
Dividend payable, date declared	Aug. 03, 2011
Common stock shares outstanding after stock split		210
Stock Dividend [Member]
Dividend payable, date of payment	Aug. 31, 2011
Dividend payable, date of record	Aug. 24, 2011
Cash Dividend [Member]
Dividend payable, date of payment	Aug. 22, 2011
Dividend payable, date of record	Aug. 15, 2011

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Description Of Business And Presentation Of Financial Statements

6 Months Ended

Jun. 30, 2011

Description Of Business And Presentation Of Financial Statements

Description Of Business And Presentation Of Financial Statements

NOTE 1: Description of Business and Presentation of Financial Statements

Holly Corporation ("Holly") changed its name to HollyFrontier Corporation ("HollyFrontier" or "HollyFrontier Corporation") in connection with the consummation of its "merger of equals" with Frontier Oil Corporation ("Frontier"), which became effective on July 1, 2011 (see Note 2). All previous references to "Holly" within these financial statements have been replaced with "HollyFrontier." References herein to HollyFrontier Corporation with respect to time periods through and including June 30, 2011 include Holly and its consolidated subsidiaries and do not include Frontier and its consolidated subsidiaries since the merger had not been consummated as of June 30, 2011, while references herein to HollyFrontier with respect to time periods from and after July 1, 2011 include Frontier and its consolidated subsidiaries. Unless otherwise specified, the financial statements included herein are as of and for the period ended June 30, 2011 and, thus, do not include financial information for Frontier. In accordance with the Securities and Exchange Commission's ("SEC") "Plain English" guidelines, this Quarterly Report on Form 10-Q has been written in the first person. In this document, the words "we," "our," "ours" and "us" refer only to HollyFrontier and its consolidated subsidiaries or to HollyFrontier or an individual subsidiary and not to any other person. The words "we," "our," "ours" and "us" generally include HEP and its subsidiaries as consolidated subsidiaries of HollyFrontier with certain exceptions where there are transactions or obligations between HEP and HollyFrontier or its other subsidiaries. These financial statements contain certain disclosures of agreements that are specific to HEP and its consolidated subsidiaries and do not necessarily represent obligations of HollyFrontier. When used in descriptions of agreements and transactions, "HEP" refers to HEP and its consolidated subsidiaries.

As of June 30, 2011, we:

• owned and operated three refineries consisting of a petroleum refinery in Artesia, New Mexico that is operated in conjunction with crude oil distillation and vacuum distillation and other facilities situated 65 miles away in Lovington, New Mexico (collectively, the "Navajo Refinery"), a refinery in Woods Cross, Utah (the "Woods Cross Refinery") and our two refinery facilities located in Tulsa, Oklahoma (collectively, the "Tulsa Refinery");

• owned and operated NK Asphalt Partners ("NK Asphalt") which operates various asphalt terminals in Arizona, New Mexico and Texas;

• owned a 75% interest in a 12-inch refined products pipeline project, under construction, from Salt Lake City, Utah to Las Vegas, Nevada, together with terminal facilities in the Cedar City, Utah and North Las Vegas areas (the "UNEV Pipeline");

• owned a 50% interest in a development stage biodiesel production facility to be located in Port Arthur, Texas, and Sabine Biofuels II, LLC, ("Sabine Biofuels");

• owned a 34% interest in HEP, a consolidated variable interest entity ("VIE"), which includes our 2% general partner interest. HEP has logistic assets including petroleum product and crude oil pipelines located in Texas, New Mexico, Oklahoma and Utah; ten refined product terminals; a jet fuel terminal; loading rack facilities at each of our three refineries, a refined products tank farm facility and on-site crude oil tankage at our Navajo, Woods Cross and Tulsa Refineries. Additionally, HEP owns a 25% interest in SLC Pipeline LLC ("SLC Pipeline"), a new 95-mile intrastate pipeline system that serves refineries in the Salt Lake City area.

We have prepared these consolidated financial statements without audit. In management's opinion, these consolidated financial statements include all normal recurring adjustments necessary for a fair presentation of our consolidated financial position as of June 30, 2011, the consolidated results of operations and comprehensive income for the three and the six months ended June 30, 2011 and 2010 and consolidated cash flows for the six months ended June 30, 2011 and 2010 in accordance with the rules and regulations of the SEC. Although certain notes and other information required by generally accepted accounting principles in the United States ("GAAP") have been condensed or omitted, we believe that the disclosures in these consolidated financial statements are adequate to make the information presented not misleading. These consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2010 filed with the SEC.

Beginning July 1, 2011, our business operations will reflect the merged Frontier businesses (see Note 2). Our results of operations for the first six months of 2011 are not necessarily indicative of the results to be expected for the full year.   
 
Accounts Receivable
Our accounts receivable consist of amounts due from customers that are primarily companies in the petroleum industry. Credit is extended based on our evaluation of the customer's financial condition and in certain circumstances, collateral, such as a letter of credit or guarantee, is required. Our credit losses, which historically have been minimal are charged to income when accounts are deemed uncollectible. At June 30, 2011, our allowance for doubtful accounts reserve was $2.6 million. Inventories
We use the last-in, first-out ("LIFO") method of valuing inventory. Under the LIFO method, an actual valuation of inventory can only be made at the end of each year based on the inventory levels at that time. Accordingly, interim LIFO calculations are based on management's estimates of expected year-end inventory levels and are subject to the final year-end LIFO inventory valuation.

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Debt

6 Months Ended

Jun. 30, 2011

Debt

Debt

NOTE 10: Debt

Credit Facilities

On July 1, 2011, we entered into a $1 billion senior secured credit agreement (the "HollyFrontier credit Agreement") with Union Bank, N.A. as administrative agent and BNP Paribas as syndication agent, and certain lenders from time to time party thereto, and terminated our previous credit agreement discussed below. The HollyFrontier Credit Agreement matures in July 2016 and may be used to fund working capital requirements, capital expenditures, acquisitions and general corporate purposes.

At June 30, 2011, we had a $400 million senior secured credit agreement expiring in March 2013 with Bank of America, N.A. as administrative agent and one of a syndicate of lenders. We were in compliance with all covenants at June 30, 2011. At June 30, 2011, we had no outstanding borrowings and outstanding letters of credit totaling $76.8 million. At that level of usage, the unused commitment was $323.2 million at June 30, 2011.

The $275 million HEP Credit Agreement is available to fund capital expenditures, investments, acquisitions, distribution payments and working capital and for general partnership purposes. In February 2011, HEP amended its previous credit agreement (expiring in August 2011), extending the expiration date and slightly reducing the size of the credit facility from $300 million to $275 million. The size was reduced based on management's review of past and forecasted utilization of the facility. The HEP Credit Agreement expires in February 2016; however, in the event that the HEP 6.25% Senior Notes (discussed below) are not repurchased, refinanced, extended or repaid prior to September 1, 2014, the HEP Credit Agreement shall expire on that date.

HEP's obligations under the HEP Credit Agreement are collateralized by substantially all of HEP's assets (presented parenthetically in our Consolidated Balance Sheets). Indebtedness under the HEP Credit Agreement is recourse to HEP Logistics Holdings, L.P., its general partner, and guaranteed by HEP's material, wholly-owned subsidiaries. Any recourse to the general partner would be limited to the extent of HEP Logistics Holdings, L.P.'s assets, which other than its investment in HEP, are not significant. HEP's creditors have no other recourse to our assets. Furthermore, our creditors have no recourse to the assets of HEP and its consolidated subsidiaries.

HollyFrontier Senior Notes Due 2017

Our $300 million 9.875% Senior Notes mature in June 2017 and are unsecured and impose certain restrictive covenants, including limitations on our ability to incur additional debt, incur liens, enter into sale-and-leaseback transactions, pay dividends, enter into mergers, sell assets and enter into certain transactions with affiliates. At any time when the HollyFrontier 9.875% Senior Notes are rated investment grade by both Moody's and Standard & Poor's and no default or event of default exists, we will not be subject to many of the foregoing covenants. Additionally, we have certain redemption rights under the HollyFrontier 9.875% Senior Notes.

HEP Senior Notes Due 2018 and 2015

In March 2010, HEP issued $150 million in aggregate principal amount of 8.25% Senior Notes which mature in March 2018. A portion of the $147.5 million in net proceeds received was used to fund HEP's $93 million purchase of certain storage assets at our Tulsa Refinery east facility and Navajo Refinery Lovington facility on March 31, 2010. Additionally, HEP used a portion to repay $42 million in outstanding HEP Credit Agreement borrowings, with the remaining proceeds available for general partnership purposes, including working capital and capital expenditures.

The HEP 6.25% Senior Notes having an aggregate principal amount of $185 million outstanding mature in March 2015 and are registered with the SEC. The HEP 6.25% Senior Notes and HEP 8.25% Senior Notes (collectively, the "HEP Senior Notes") are unsecured and impose certain restrictive covenants, including limitations on HEP's ability to incur additional indebtedness, make investments, sell assets, incur certain liens, pay distributions, enter into transactions with affiliates, and enter into mergers. At any time when the HEP Senior Notes are rated investment grade by both Moody's and Standard & Poor's and no default or event of default exists, HEP will not be subject to many of the foregoing covenants. Additionally, HEP has certain redemption rights under the HEP Senior Notes.

Indebtedness under the HEP Senior Notes is recourse to HEP Logistics Holdings, L.P., its general partner, and guaranteed by HEP's wholly-owned subsidiaries. However, any recourse to the general partner would be limited to the extent of HEP Logistics Holdings, L.P.'s assets, which other than its investment in HEP, are not significant. HEP's creditors have no other recourse to our assets. Furthermore, our creditors have no recourse to the assets of HEP and its consolidated subsidiaries.

HollyFrontier Financing Obligation

In October 2009, we sold approximately 400,000 barrels of crude oil tankage at our Tulsa Refinery west facility as well as certain crude oil pipeline receiving facilities to Plains All American Pipeline, L.P. ("Plains") for $40 million in cash. In connection with this transaction, we entered into a 15-year lease agreement with Plains, whereby we agreed to pay a fixed monthly fee for the exclusive use of this tankage as well as a fee for volumes received at the receiving facilities purchased by Plains. Additionally, we have a margin sharing agreement with Plains under which we will equally share contango profits for crude oil purchased by them and delivered to our Tulsa Refinery west facility for storage. Due to our continuing involvement in these assets, this transaction has been accounted for as a financing obligation. As a result, we retained these assets on our books and recorded a liability representing the $40 million in proceeds received.

The carrying amounts of long-term debt are as follows:

	June 30, 2011			December 31, 2010
	(In thousands)
HollyFrontier 9.875% Senior Notes
Principal	$	300,000		$	300,000
Unamortized discount		(9,918	)		(10,491	)
		290,082			289,509
HollyFrontier financing obligation
Principal		38,218			38,781
Total HollyFrontier long-term debt		328,300			328,290
HEP Credit Agreement		186,000			159,000
HEP 6.25% Senior Notes
Principal		185,000			185,000
Unamortized discount		(9,646	)		(10,961	)
Unamortized premium – dedesignated fair value hedge		1,271			1,444
		176,625			175,483
HEP 8.25% Senior Notes
Principal		150,000			150,000
Unamortized discount		(2,059	)		(2,212	)
		147,941			147,788
Total HEP long-term debt		510,566			482,271
Total long-term debt	$	838,866		$	810,561

We capitalized interest attributable to construction projects of $4.3 million and $0.6 million for the three months ended June 30, 2011 and 2010, respectively, and $7.9 million and $1.9 million for the six months ended June 30, 2011 and 2010, respectively.

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Equity (Narrative) (Details) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011
Equity
Cost of repurchased common stock	$ 3

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Retirement Plan (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2011
Retirement Plan
Expected long-term annual rate of return on plan assets	8.50%
Estimated contributions in 2011	$ 10

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Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2011

Other Comprehensive Income (Loss)

Components And Allocated Tax Effects Of Other Comprehensive Income (Loss)

	Before-Tax			Tax Expense (Benefit)			After-Tax
	(In thousands)
Three Months Ended June 30, 2011
Unrealized loss on available-for-sale securities	$	(459	)	$	(179	)	$	(280	)
Unrealized gain on hedging activities		271			35			236
Other comprehensive loss		(188	)		(144	)		(44	)
Less other comprehensive income attributable to noncontrolling interest		178			—			178
Other comprehensive loss attributable to HollyFrontier stockholders	$	(366	)	$	(144	)	$	(222	)
Three Months Ended June 30, 2010
Unrealized loss on available-for-sale securities	$	(251	)	$	(98	)	$	(153	)
Unrealized loss on hedging activities		(620	)		(82	)		(538	)
Other comprehensive loss		(871	)		(180	)		(691	)
Less other comprehensive loss attributable to noncontrolling interest		(407	)		—			(407	)
Other comprehensive loss attributable to HollyFrontier stockholders	$	(464	)	$	(180	)	$	(284	)
Six Months Ended June 30, 2011
Unrealized loss on available-for-sale securities	$	(317	)	$	(124	)	$	(193	)
Unrealized gain on hedging activities		1,592			222			1,370
Other comprehensive income		1,275			98			1,177
Less other comprehensive income attributable to noncontrolling interest		1,020			—			1,020
Other comprehensive income attributable to HollyFrontier stockholders	$	255		$	98		$	157

	Before-Tax			Tax Expense (Benefit)			After-Tax
	(In thousands)
Six Months Ended June 30, 2010
Unrealized loss on available-for-sale securities	$	(7	)	$	(4	)	$	(3	)
Unrealized loss on hedging activities		(1,981	)		142			(2,123	)
Other comprehensive loss		(1,988	)		138			(2,126	)
Less other comprehensive loss attributable to noncontrolling interest		(2,343	)		—			(2,343	)
Other comprehensive income attributable to HollyFrontier stockholders	$	355		$	138		$	217

Accumulated Other Comprehensive Loss In Equity

	June 30,			December 31,
	2011			2010
	(In thousands)
Pension obligation adjustment	$	(22,672	)	$	(22,672	)
Retiree medical obligation adjustment		(1,894	)		(1,894	)
Unrealized gain on available-for-sale securities		258			451
Unrealized loss on hedging activities, net of noncontrolling interest		(1,783	)		(2,131	)
Accumulated other comprehensive loss	$	(26,091	)	$	(26,246	)

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Retirement Plan

6 Months Ended

Jun. 30, 2011

Retirement Plan

Retirement Plan

NOTE 14: Retirement Plan

We have a non-contributory defined benefit retirement plan that covers most of our non-union employees hired prior to January 1, 2007 and union employees prior to July 1, 2010. Our policy is to make contributions annually of not less than the minimum funding requirements of the Employee Retirement Income Security Act of 1974. Benefits are based on the employee's years of service and compensation.

The retirement plan is closed to all new employees. To the extent an employee was hired prior to the plan closing date (January 1, 2007 for non-union employees and July 1, 2010 for union employees) and elected to participate in automatic contributions features under our defined contribution plan, their participation in future benefits of the retirement plan has been frozen.

The net periodic pension expense consisted of the following components:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
	(In thousands)
Service cost – benefit earned during the period	$	1,268		$	1,156		$	2,535		$	2,298
Interest cost on projected benefit obligations		1,281			1,291			2,562			2,577
Expected return on plan assets		(1,339	)		(1,164	)		(2,678	)		(2,288	)
Amortization of prior service cost		97			98			195			195
Amortization of net loss		533			474			1,066			1,098
Net periodic pension expense	$	1,840		$	1,855		$	3,680		$	3,880

The expected long-term annual rate of return on plan assets is 8.5%. This rate was used in measuring 2011 and 2010 net periodic benefit cost. We expect to contribute $10 million to the retirement plan in 2011.

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Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011		Dec. 31, 2010
Current assets:
Cash and cash equivalents (HEP: $1,402 and $403, respectively)	$ 426,689		$ 229,101
Marketable securities	65,854		1,343
Accounts receivable:
Product and transportation (HEP: $18,756 and $22,508, respectively	363,585		299,081
Crude oil resales	639,942		694,035
Accounts receivable, total	1,003,527		993,116
Inventories:
Crude oil and refined products	444,733		353,636
Materials and supplies (HEP: $185 and $202, respectively)	50,567		46,731
Inventories, total	495,300		400,367
Income taxes receivable			51,034
Prepayments and other (HEP: $853 and $573. respectively)	33,604		28,474
Total current assets	2,024,974		1,703,435
Properties, plants and equipment, at cost (HEP: $575,259 and $552,398, respectively)	2,363,081		2,215,828
Less accumulated depreciation (HEP: $(73,790) and $(60,300), respectively)	(503,318)		(459,137)
Property, plant and equipment, net	1,859,763		1,756,691
Marketable securities (long-term)	24,804
Other assets:
Turnaround costs	75,377		69,533
Goodwill (HEP: $81,602 and $81,602)	81,602		81,602
Intangibles and other (HEP: $74,241 and $72,434, respectively)	98,783		90,214
Other assets, total	255,762		241,349
Total assets	4,165,303		3,701,475
Current liabilities:
Accounts payable (HEP: $7,115 and $10,238, respectively)	1,450,640		1,317,446
Income taxes payable	23,002
Accrued liabilities (HEP: $16,108 and $21,206, respectively)	83,951		72,409
Total current liabilities	1,557,593		1,389,855
Long-term debt (HEP: $510,566 and $482,271, respectively)	838,866		810,561
Deferred income taxes	128,465		131,935
Other long-term liabilities (HEP: $9,164 and $10,809, respectively)	81,191		80,985
HollyFrontier stockholders' equity:
Common stock $.01 par value - 160,000,000 shares authorized; 76,346,432 shares issued as of June 30, 2011 and December 31, 2010	763		763
Additional capital	193,411		194,378
Retained earnings	1,467,233		1,206,328
Accumulated other comprehensive loss	(26,091)		(26,246)
Common stock held in treasury, at cost - 22,936,525 and 23,081,744 shares as of June 30, 2011 and December 31, 2010, respectively	(674,853)		(677,804)
Total HollyFrontier stockholders' equity	960,463		697,419
Noncontrolling interest	598,725		590,720
Total equity	1,559,188		1,288,139
Total liabilities and equity	4,165,303		3,701,475
HEP [Member]
Current assets:
Cash and cash equivalents (HEP: $1,402 and $403, respectively)	1,402		403
Accounts receivable:
Product and transportation (HEP: $18,756 and $22,508, respectively	18,756		22,508
Inventories:
Materials and supplies (HEP: $185 and $202, respectively)	185		202
Prepayments and other (HEP: $853 and $573. respectively)	853		573
Properties, plants and equipment, at cost (HEP: $575,259 and $552,398, respectively)	575,259		552,398
Less accumulated depreciation (HEP: $(73,790) and $(60,300), respectively)	(73,790)		(60,300)
Other assets:
Goodwill (HEP: $81,602 and $81,602)	81,602		81,602
Intangibles and other (HEP: $74,241 and $72,434, respectively)	74,241		72,434
Total assets	678,508	[1]	669,820	[1]
Current liabilities:
Accounts payable (HEP: $7,115 and $10,238, respectively)	7,115		10,238
Accrued liabilities (HEP: $16,108 and $21,206, respectively)	16,108		21,206
Long-term debt (HEP: $510,566 and $482,271, respectively)	510,566	[1]	482,271	[1]
Other long-term liabilities (HEP: $9,164 and $10,809, respectively)	$ 9,164		$ 10,809

[1] HEP segment revenues from external customers were $13.8 million and $8.4 million for the three months ended June 30, 2011 and 2010, respectively, and $24.7 million and $15.5 million for the six months ended June 30, 2011 and 2010, respectively.

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Segment Information (Tables)

6 Months Ended

Jun. 30, 2011

Segment Information

Schedule Of Segment Reporting Information

	Refining		HEP (1)		Corporate and Other			Consolidations and Eliminations			Consolidated Total
	(In thousands)
Three Months Ended June 30, 2011
Sales and other revenues	$	2,953,226	$	50,940	$	153		$	(37,186	)	$	2,967,133
Depreciation and amortization	$	23,478	$	7,309	$	1,252		$	(207	)	$	31,832
Income (loss) from operations	$	321,032	$	27,692	$	(18,040	)	$	(505	)	$	330,179
Capital expenditures	$	25,152	$	11,425	$	45,690		$	—		$	82,267
Three Months Ended June 30, 2010
Sales and other revenues	$	2,137,361	$	45,483	$	150		$	(37,134	)	$	2,145,860
Depreciation and amortization	$	20,599	$	7,187	$	1,333		$	(295	)	$	28,824
Income (loss) from operations	$	124,549	$	22,888	$	(15,111	)	$	(162	)	$	132,164
Capital expenditures	$	42,492	$	2,576	$	364		$	—		$	45,432
Six Months Ended June 30, 2011
Sales and other revenues	$	5,268,318	$	95,945	$	801		$	(71,346	)	$	5,293,718
Depreciation and amortization	$	46,461	$	14,544	$	2,549		$	(414	)	$	63,140
Income (loss) from operations	$	473,136	$	51,303	$	(34,138	)	$	(1,023	)	$	489,278
Capital expenditures	$	45,784	$	22,900	$	87,621		$	—		$	156,305
Six Months Ended June 30, 2010
Sales and other revenues	$	4,004,534	$	86,172	$	217		$	(70,773	)	$	4,020,150
Depreciation and amortization	$	41,325	$	13,992	$	1,854		$	(590	)	$	56,581
Income (loss) from operations	$	99,969	$	41,149	$	(30,877	)	$	(821	)	$	109,420
Capital expenditures	$	70,764	$	4,487	$	1,279		$	—		$	76,530
June 30, 2011
Cash, cash equivalents and investments in marketable securities	$	—	$	1,402	$	515,945		$	—		$	517,347
Total assets	$	2,614,120	$	678,508	$	901,439		$	(28,764	)	$	4,165,303
Long-term debt	$	—	$	510,566	$	344,996		$	(16,696	)	$	838,866
December 31, 2010
Cash, cash equivalents and investments in marketable securities	$	—	$	403	$	230,041		$	—		$	230,444
Total assets	$	2,490,193	$	669,820	$	573,531		$	(32,069	)	$	3,701,475
Long-term debt	$	—	$	482,271	$	345,215		$	(16,925	)	$	810,561

(1) HEP segment revenues from external customers were $13.8 million and $8.4 million for the three months ended June 30, 2011 and 2010, respectively, and $24.7 million and $15.5 million for the six months ended June 30, 2011 and 2010, respectively.

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Inventories (Details) (USD $) In Thousands	Jun. 30, 2011		Dec. 31, 2010
Inventories
Crude oil	$ 179,650		$ 96,570
Other raw materials and unfinished products	56,677	[1]	68,792	[1]
Finished products	208,406	[2]	188,274	[2]
Process chemicals	22,576	[3]	22,512	[3]
Repairs and maintenance supplies and other	27,991		24,219
Total inventory	$ 495,300		$ 400,367

[1] Other raw materials and unfinished products include feedstocks and blendstocks, other than crude.

[2] Finished products include gasolines, jet fuels, diesels, lubricants, asphalts, LPG's and residual fuels.

[3] Process chemicals include catalysts, additives and other chemicals.

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Other Comprehensive Income (Loss) (Components And Allocated Tax Effects Of Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Other Comprehensive Income (Loss)
Unrealized gain (loss) on available-for-sale securities	$ (459)	$ (251)	$ (317)	$ (7)
Unrealized gain (loss) on hedging activities, Before-Tax	271	(620)	1,592	(1,981)
Other comprehensive income (loss), Before-Tax	(188)	(871)	1,275	(1,988)
Less other comprehensive income (loss) attributable to noncontrolling interest, Before-Tax	178	(407)	1,020	(2,343)
Other comprehensive income (loss) attributable to HollyFrontier stockholders, Before-Tax	(366)	(464)	255	355
Unrealized loss on available-for-sale securities, Tax Expense (Benefit)	(179)	(98)	(124)	(4)
Unrealized gain (loss) on hedging activities, Tax Expense (Benefit)	35	(82)	222	142
Other comprehensive income (loss), Tax Expense (Benefit)	(144)	(180)	98	138
Less other comprehensive income (loss) attributable to noncontrolling interest, Tax Expense (Benefit)
Other comprehensive income (loss) attributable to HollyFrontier stockholders, Tax Expense (Benefit)	(144)	(180)	98	138
Unrealized loss on available-for-sale securities, After-Tax	(280)	(153)	(193)	(3)
Unrealized gain (loss) on hedging activities, After-Tax	236	(538)	1,370	(2,123)
Other comprehensive income (loss), After-Tax	(44)	(691)	1,177	(2,126)
Less other comprehensive income (loss) attributable to noncontrolling interest, After-Tax	178	(407)	1,020	(2,343)
Other comprehensive income (loss) attributable to HollyFrontier stockholders, After-Tax	$ (222)	$ (284)	$ 157	$ 217

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Supplemental Guarantor/Non-Guarantor Financial Information (Condensed Consolidating Statement Of Cash Flows) (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010
Cash flows from operating activities	$ 457,996		$ 38,346
Additions to properties, plants and equipment	(133,405)		(72,043)
Investment in Sabine Biofuels	(9,125)
Purchases of marketable securities	(157,782)
Sales and maturities of marketable securities	68,150
Net cash used for investing activities	(255,062)		(76,530)
Repayments under financing obligation	(563)		(415)
Purchase of treasury stock	(2,996)	[1]	(1,308)
Contribution from joint venture partner	16,500		5,000
Dividends	(15,984)		(15,901)
Distributions to noncontrolling interest	(25,133)		(23,933)
Excess tax benefit on equity based compensation arrangements	498		(1,313)
Purchase of units for restricted grants	(1,379)		(2,276)
Deferred financing costs	(3,289)		(2,655)
Issuance of common stock upon exercise of options			61
Net cash provided by (used for) financing activities	(5,346)		53,800
Increase (decrease) for the period	197,588		15,616
Beginning of period	229,101		124,596
End of period	426,689		140,212
Parent Company [Member]
Cash flows from operating activities	304,061		24,464
Additions to properties, plants and equipment	(2,623)		(1,279)
Investment in Sabine Biofuels	(9,125)
Purchases of marketable securities	(157,782)
Sales and maturities of marketable securities	68,150
Net cash used for investing activities	(101,380)		(1,279)
Purchase of treasury stock	(2,996)		(1,308)
Dividends	(15,984)		(15,901)
Excess tax benefit on equity based compensation arrangements	498		(1,313)
Deferred financing costs	(140)		(1,177)
Issuance of common stock upon exercise of options			61
Net cash provided by (used for) financing activities	(18,622)		(19,638)
Increase (decrease) for the period	184,059		3,547
Beginning of period	230,082		127,560
End of period	414,141		131,107
Guarantor Restricted Subsidiaries [Member]
Cash flows from operating activities	122,324		(15,103)
Additions to properties, plants and equipment	(51,382)		(54,880)
Proceeds from sale of assets			39,040
Net cash used for investing activities	(51,382)		(15,840)
Repayments under financing obligation	(563)		(616)
Contribution from joint venture partner	(63,000)		(15,000)
Purchase price in excess of transferred basis in assets			53,960
Deferred financing costs			(1,125)
Net cash provided by (used for) financing activities	(63,563)		37,219
Increase (decrease) for the period	7,379		6,276
Beginning of period	(9,035)		(12,477)
End of period	(1,656)		(6,201)
Non-Guarantor Restricted Subsidiaries [Member]
Cash flows from operating activities	5,051		1,379
Additions to properties, plants and equipment	(79,400)		(15,884)
Net cash used for investing activities	(79,400)		(15,884)
Contribution from joint venture partner	79,500		20,000
Net cash provided by (used for) financing activities	79,500		20,000
Increase (decrease) for the period	5,151		5,495
Beginning of period	7,651		7,005
End of period	12,802		12,500
Holly Corp. Before Consolidation Of HEP [Member]
Cash flows from operating activities	431,436		10,740
Additions to properties, plants and equipment	(133,405)		(72,043)
Investment in Sabine Biofuels	(9,125)
Proceeds from sale of assets			39,040
Purchases of marketable securities	(157,782)
Sales and maturities of marketable securities	68,150
Net cash used for investing activities	(232,162)		(33,003)
Repayments under financing obligation	(563)		(616)
Purchase of treasury stock	(2,996)		(1,308)
Contribution from joint venture partner	16,500		5,000
Dividends	(15,984)		(15,901)
Purchase price in excess of transferred basis in assets			53,960
Excess tax benefit on equity based compensation arrangements	498		(1,313)
Deferred financing costs	(140)		(2,302)
Issuance of common stock upon exercise of options			61
Net cash provided by (used for) financing activities	(2,685)		37,581
Increase (decrease) for the period	196,589		15,318
Beginning of period	228,698		122,088
End of period	425,287		137,406
HEP [Member] | Non-Guarantor Non-Restricted Subsidiaries (HEP Segment) [Member]
Additions to properties, plants and equipment	(22,900)		(43,527)
Net borrowings under credit agreements	27,000
Net repayments under credit agreements			(51,000)
Proceeds from issuance of senior notes			147,540
Non-Guarantor Non-Restricted Subsidiaries (HEP Segment) [Member]
Cash flows from operating activities	46,289		45,186
Net cash used for investing activities	(22,900)		(43,527)
Purchase price in excess of transferred basis in assets			(53,960)
Distributions to noncontrolling interest	(44,862)		(41,312)
Purchase of units for restricted grants	(1,379)		(2,276)
Deferred financing costs	(3,149)		(353)
Net cash provided by (used for) financing activities	(22,390)		(1,361)
Increase (decrease) for the period	999		298
Beginning of period	403		2,508
End of period	1,402		2,806
HEP [Member] | Eliminations [Member]
Additions to properties, plants and equipment			39,040
Eliminations [Member]
Cash flows from operating activities	(19,729)		(17,580)
Proceeds from sale of assets			(39,040)
Repayments under financing obligation			201
Distributions to noncontrolling interest	19,729		17,379
Net cash provided by (used for) financing activities	19,729		17,580
HEP [Member]
Additions to properties, plants and equipment	(22,900)		(4,487)
Net borrowings under credit agreements	27,000
Net repayments under credit agreements			(51,000)
Proceeds from issuance of senior notes			147,540
Purchase of units for restricted grants	(1,379)		(2,276)
Beginning of period	403
End of period	$ 1,402

[1] Includes 56,813 shares purchased under the terms of restricted stock agreements to provide funds for the payment of payroll and income taxes due at vesting of restricted stock.

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Stock-Based Compensation (Summary Of Restricted Stock Activity) (Details) (Restricted Stock [Member], USD $) In Thousands, except Per Share data	6 Months Ended
	Jun. 30, 2011
Restricted Stock [Member]
Outstanding at January 1, 2011 (non-vested), Grants	346,996
Vesting and transfer of ownership to recipients, Grants	(158,528)
Granted, Grants	102,710
Forfeited, Grants	(12,965)
Outstanding at June 30, 2011 (non-vested), Grants	278,213
Outstanding at January 1, 2011 (non-vested), Weighted - Average Grant Date Fair Value	$ 29.31
Vesting and transfer of ownership to recipients, Weighted - Average Grant Date Fair Value	$ 31.18
Granted, Weighted-Average Grant Date Fair Value	$ 58.23
Forfeited, Weighted - Average Grant Date Fair Value	$ 52.02
Outstanding at June 30, 2011 (non-vested), Weighted - Average Grant Date Fair Value	$ 37.86
Vesting and transfer of ownership to recipients, Aggregate Intrinsic Value
Granted, Aggregate Intrinsic Value
Forfeited, Aggregate Intrinsic Value
Outstanding at June 30, 2011 (non-vested), Aggregate Intrinsic Value	$ 16,904

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Stock-Based Compensation (Summary Of Performance Share Unit Activity) (Details) (Performance Share Units [Member]) In Thousands	6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Performance Share Units [Member]
Outstanding at January 1, 2011 (non-vested), Grants		278,093
Vesting and transfer of ownership to recipients, Grants	(53,962)
Granted	61,491
Outstanding at June 30, 2011 (non-vested), Grants	285,622	278,093

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Derivative Instruments And Hedging Activities (Summary Of Balance Sheet Locations And Related Fair Values Of Outstanding Derivative Instruments) (Details) (USD $)					6 Months Ended		12 Months Ended					6 Months Ended	12 Months Ended
	Jun. 30, 2011 HEP [Member]	Dec. 31, 2010 HEP [Member]	May 31, 2010 HEP [Member]	Jun. 30, 2011 Fixed/Variable-To-Variable/Fixed Commodity Price Contracts [Member] Accrued Liabilities [Member]	Jun. 30, 2011 Fixed/Variable-To-Variable/Fixed Commodity Price Contracts [Member] Cost Of Products Sold (Increase) [Member]	Dec. 31, 2010 Fixed-To-Variable Rate Swap Contract [Member] Accrued Liabilities [Member]	Dec. 31, 2010 Fixed-To-Variable Rate Swap Contract [Member] Cost Of Products Sold (Increase) [Member]	Jun. 30, 2011 Other Long-Term Liabilities [Member]	Dec. 31, 2010 Other Long-Term Liabilities [Member]	Jun. 30, 2011 Prepayments And Other Current Assets [Member]	Dec. 31, 2010 Accrued Liabilities [Member]	Jun. 30, 2011 Cost Of Products Sold (Decrease) [Member]	Dec. 31, 2010 Accumulated Other Comprehensive Loss [Member]	Jun. 30, 2011 Accumulated Other Comprehensive Loss [Member]
Variable-to-fixed commodity price swap contracts (forecasted volumes of natural gas purchases), Fair Value											$ 38,000
Variable-to-fixed commodity price swap contracts (forecasted volumes of natural gas purchases), Offsetting Amount													38,000
Variable-to-fixed interest rate swap contract ($155 million LIBOR based debt interest payments), Fair Value								8,472,000	10,026,000
Variable-to-fixed interest rate swap contract ($155 million LIBOR based debt interest payments), Offsetting Amount													10,026,000	8,472,000
Variable-to-fixed commodity price swap contracts (various inventory positions), Fair Value										7,958,000
Variable-to-fixed commodity price swap contracts (various inventory positions), Offsetting Amount												7,958,000
Derivatives not designated as hedge liability, Fair Value				1,300,000		497,000
Derivatives not designated as hedge liability, Offsetting Amount					1,300,000		497,000
LIBOR based debt	$ 155,000,000	$ 155,000,000	$ 171,000,000

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Supplemental Guarantor/Non-Guarantor Financial Information (Tables)

3 Months Ended

6 Months Ended

12 Months Ended

Jun. 30, 2011

Jun. 30, 2010

Jun. 30, 2011

Jun. 30, 2010

Dec. 31, 2010

Supplemental Guarantor/Non-Guarantor Financial Information

Condensed Consolidating Balance Sheet

Condensed Consolidating Balance Sheet
June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP		Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)		Eliminations			Consolidated
	(In thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	414,141		$	(1,656	)	$	12,802		$	—		$	425,287	$	1,402	$	—		$	426,689
Marketable securities		64,759			1,095			—			—			65,854		—		—			65,854
Accounts receivable		3,074			1,000,967			57			—			1,004,098		18,756		(19,327	)		1,003,527
Intercompany accounts receivable (payable)		(1,844,815	)		1,418,880			425,935			—			—		—		—			—
Inventories		—			495,115			—			—			495,115		185		—			495,300
Prepayments and other assets		17,828			18,809			—			—			36,637		853		(3,886	)		33,604
Total current assets		(1,345,013	)		2,933,210			438,794			—			2,026,991		21,196		(23,213	)		2,024,974
Properties and equipment, net		17,713			1,031,585			315,691			—			1,364,989		501,469		(6,695	)		1,859,763
Marketable securities (long-term)		24,804			—			—			—			24,804		—		—			24,804
Investment in subsidiaries		2,766,499			664,480			(394,949	)		(3,036,030	)		—		—		—			—
Intangibles and other assets		16,284			82,491			—			—			98,775		155,843		1,144			255,762
Total assets	$	1,480,287		$	4,711,766		$	359,536		$	(3,036,030	)	$	3,515,559	$	678,508	$	(28,764	)	$	4,165,303
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	$	7,278		$	1,447,891		$	7,683		$	—		$	1,462,852	$	7,115	$	(19,327	)	$	1,450,640
Income taxes payable		23,002			—			—			—			23,002		—		—			23,002
Accrued liabilities		29,133			40,738			1,858			—			71,729		16,108		(3,886	)		83,951
Total current liabilities		59,413			1,488,629			9,541			—			1,557,583		23,223		(23,213	)		1,557,593
Long-term debt		290,083			54,913			—			—			344,996		510,566		(16,696	)		838,866
Non-current liabilities		46,315			25,712			—			—			72,027		9,164		—			81,191
Deferred income taxes		122,565			176			773			—			123,514		—		4,951			128,465
Distributions in excess of inv in HEP		—			375,837			—			—			375,837		—		(375,837	)		—
Equity – HollyFrontier		961,911			2,766,499			349,222			(3,115,721	)		961,911		135,555		(137,003	)		960,463
Equity – noncontrolling interest		—			—			—			79,691			79,691		—		519,034			598,725
Total liabilities and equity	$	1,480,287		$	4,711,766		$	359,536		$	(3,036,030	)	$	3,515,559	$	678,508	$	(28,764	)	$	4,165,303

Condensed Consolidating Balance Sheet
December 31, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP		Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)		Eliminations			Consolidated
	(In thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	230,082		$	(9,035	)	$	7,651		$	—		$	228,698	$	403	$	—		$	229,101
Marketable securities		—			1,343			—			—			1,343		—		—			1,343
Accounts receivable		1,683			991,778			—			—			993,461		22,508		(22,853	)		993,116
Intercompany accounts receivable (payable)		(1,401,580	)		981,691			419,889			—			—		—		—			—
Inventories		—			400,165			—			—			400,165		202		—			400,367
Income taxes receivable		51,034			—			—			—			51,034		—		—			51,034
Prepayments and other assets		10,210			20,942			—			—			31,152		573		(3,251	)		28,474
Total current assets		(1,108,571	)		2,386,884			427,540			—			1,705,853		23,686		(26,104	)		1,703,435
Properties and equipment, net		17,177			1,017,877			236,648			—			1,271,702		492,098		(7,109	)		1,756,691
Investment in subsidiaries		2,273,159			595,888			(393,011	)		(2,476,036	)		—		—		—			—
Intangibles and other assets		8,569			77,600			—			—			86,169		154,036		1,144			241,349
Total assets	$	1,190,334		$	4,078,249		$	271,177		$	(2,476,036	)	$	3,063,724	$	669,820	$	(32,069	)	$	3,701,475
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	$	7,170		$	1,319,316		$	3,575		$	—		$	1,330,061	$	10,238	$	(22,853	)	$	1,317,446
Accrued liabilities		25,512			28,145			797			—			54,454		21,206		(3,251	)		72,409
Total current liabilities		32,682			1,347,461			4,372			—			1,384,515		31,444		(26,104	)		1,389,855
Long-term debt		289,509			55,706			—			—			345,215		482,271		(16,925	)		810,561
Non-current liabilities		42,655			27,521			—			—			70,176		10,809		—			80,985
Deferred income taxes		126,160			259			565			—			126,984		—		4,951			131,935
Distributions in excess of inv in HEP		—			374,143			—			—			374,143		—		(374,143	)		—
Equity – HollyFrontier		699,328			2,273,159			266,240			(2,539,399	)		699,328		145,296		(147,205	)		697,419
Equity – noncontrolling interest		—			—			—			63,363			63,363		—		527,357			590,720
Total liabilities and equity	$	1,190,334		$	4,078,249		$	271,177		$	(2,476,036	)	$	3,063,724	$	669,820	$	(32,069	)	$	3,701,475

Condensed Consolidating Statement Of Income

Condensed Consolidating Statement of Income
Three Months Ended June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	153		$	2,953,226		$	—		$	—		$	2,953,379		$	50,940		$	(37,186	)	$	2,967,133
Operating costs and expenses:
Cost of products sold		—			2,483,435			—			—			2,483,435			—			(36,340	)		2,447,095
Operating expenses		—			124,992			121			—			125,113			14,366			(134	)		139,345
General and administrative expenses		16,976			133			—			—			17,109			1,573			—			18,682
Depreciation and amortization		907			23,644			179			—			24,730			7,309			(207	)		31,832
Total operating costs and expenses		17,883			2,632,204			300			—			2,650,387			23,248			(36,681	)		2,636,954
Income (loss) from operations		(17,730	)		321,022			(300	)		—			302,992			27,692			(505	)		330,179
Other income (expense):
Equity in earnings of subsidiaries and joint venture		329,496			9,268			9,480			(338,764	)		9,480			467			(9,480	)		467
Interest income (expense)		(5,063	)		(795	)		13			—			(5,845	)		(9,286	)		595			(14,536	)
Merger transaction costs		(2,316	)		—			—			—			(2,316	)		—			—			(2,316	)
		322,117			8,473			9,493			(338,764	)		1,319			(8,819	)		(8,885	)		(16,385	)
Income before income taxes		304,387			329,495			9,193			(338,764	)		304,311			18,873			(9,390	)		313,794
Income tax provision		111,943			—			—			—			111,943			18			—			111,961
Net income		192,444			329,495			9,193			(338,764	)		192,368			18,855			(9,390	)		201,833
Less net income attributable to noncontrolling interest		—			—			—			(75	)		(75	)		—			9,673			9,598
Net income attributable to HollyFrontier stockholders	$	192,444		$	329,495		$	9,193		$	(338,689	)	$	192,443		$	18,855		$	(19,063	)	$	192,235

Condensed Consolidating Statement of Income
Three Months Ended June 30, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	150		$	2,137,361		$	—		$	—		$	2,137,511		$	45,483		$	(37,134	)	$	2,145,860
Operating costs and expenses:
Cost of products sold		—			1,884,676			86			—			1,884,762			—			(36,550	)		1,848,212
Operating expenses		—			107,463			—			—			107,463			13,495			(127	)		120,831
General and administrative expenses		13,916			—			—			—			13,916			1,913			—			15,829
Depreciation and amortization		928			20,825			179			—			21,932			7,187			(295	)		28,824
Total operating costs and expenses		14,844			2,012,964			265			—			2,028,073			22,595			(36,972	)		2,013,696
Income (loss) from operations		(14,694	)		124,397			(265	)		—			109,438			22,888			(162	)		132,164
Other income (expense):
Equity in earnings of subsidiaries and joint venture		130,097			6,819			7,007			(136,916	)		7,007			544			(7,007	)		544
Interest income (expense)		(9,527	)		(1,119	)		12			—			(10,634	)		(10,109	)		355			(20,388	)
		120,570			5,700			7,019			(136,916	)		(3,627	)		(9,565	)		(6,652	)		(19,844	)
Income before income taxes		105,876			130,097			6,754			(136,916	)		105,811			13,323			(6,814	)		112,320
Income tax provision		39,608			—			—			—			39,608			46			—			39,654
Net income		66,268			130,097			6,754			(136,916	)		66,203			13,277			(6,814	)		72,666
Less net income attributable to noncontrolling interest		—			—			—			(65	)		(65	)		—			6,569			6,504
Net income attributable to HollyFrontier stockholders	$	66,268		$	130,097		$	6,754		$	(136,851	)	$	66,268		$	13,277		$	(13,383	)	$	66,162

Condensed Consolidating Statement of Income
Six Months Ended June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Frontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	801		$	5,268,318		$	—		$	—		$	5,269,119		$	95,945		$	(71,346	)	$	5,293,718
Operating costs and expenses:
Cost of products sold		—			4,501,361			—			—			4,501,361			—			(69,649	)		4,431,712
Operating expenses		—			246,677			509			—			247,186			27,162			(260	)		274,088
General and administrative expenses		32,329			235			—			—			32,564			2,936			—			35,500
Depreciation and amortization		1,847			46,805			358			—			49,010			14,544			(414	)		63,140
Total operating costs and expenses		34,176			4,795,078			867			—			4,830,121			44,642			(70,323	)		4,804,440
Income (loss) from operations		(33,375	)		473,240			(867	)		—			438,998			51,303			(1,023	)		489,278
Other income (expense):
Equity in earnings of subsidiaries and joint venture		488,453			16,831			17,500			(505,284	)		17,500			1,207			(17,500	)		1,207
Interest income (expense)		(11,872	)		(1,618	)		26			—			(13,464	)		(18,398	)		1,207			(30,655	)
Merger transaction costs		(6,014	)		—			—			—			(6,014	)		—			—			(6,014	)
		470,567			15,213			17,526			(505,284	)		(1,978	)		(17,191	)		(16,293	)		(35,462	)
Income before income taxes		437,192			488,453			16,659			(505,284	)		437,020			34,112			(17,316	)		453,816
Income tax provision		160,726			—			—			—			160,726			246			—			160,972
Net income		276,466			488,453			16,659			(505,284	)		276,294			33,866			(17,316	)		292,844
Less net income attributable to noncontrolling interest		—			—			—			(172	)		(172	)		—			16,087			15,915
Net income attributable to HollyFrontier stockholders	$	276,466		$	488,453		$	16,659		$	(505,112	)	$	276,466		$	33,866		$	(33,403	)	$	276,929

Condensed Consolidating Statement of Income
Six Months Ended June 30, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			Eliminations			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Sales and other revenues	$	217		$	4,004,534		$	—		$	—		$	4,004,751		$	86,172		$	(70,773	)	$	4,020,150
Operating costs and expenses:
Cost of products sold		—			3,641,183			12			—			3,641,195			—			(69,119	)		3,572,076
Operating expenses		—			222,063			—			—			222,063			26,555			(243	)		248,375
General and administrative expenses		28,801			421			—			—			29,222			4,476			—			33,698
Depreciation and amortization		1,871			41,779			(471	)		—			43,179			13,992			(590	)		56,581
Total operating costs and expenses		30,672			3,905,446			(459	)		—			3,935,659			45,023			(69,952	)		3,910,730
Income (loss) from operations		(30,455	)		99,088			459			—			69,092			41,149			(821	)		109,420
Other income (expense):
Equity in earnings of subsidiaries and joint venture		109,989			13,299			12,936			(123,288	)		12,936			1,025			(12,936	)		1,025
Interest income (expense)		(18,670	)		(2,398	)		20			—			(21,048	)		(18,213	)		1,210			(38,051	)
		91,319			10,901			12,956			(123,288	)		(8,112	)		(17,188	)		(11,726	)		(37,026	)
Income before income taxes		60,864			109,989			13,415			(123,288	)		60,980			23,961			(12,547	)		72,394
Income tax provision		22,842			—			—			—			22,842			140			—			22,982
Net income		38,022			109,989			13,415			(123,288	)		38,138			23,821			(12,547	)		49,412
Less net income attributable to noncontrolling interest		—			—			—			116			116			—			11,228			11,344
Net income attributable to HollyFrontier stockholders	$	38,022		$	109,989		$	13,415		$	(123,404	)	$	38,022		$	23,821		$	(23,775	)	$	38,068

Condensed Consolidating Statement Of Cash Flows

Condensed Consolidating Statement of Cash Flows
Six Months Ended June 30, 2011	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Cash flows from operating activities	$	304,061		$	122,324		$	5,051		$	431,436		$	46,289		$	(19,729	)	$	457,996
Cash flows from investing activities
Additions to properties, plants and equipment		(2,623	)		(51,382	)		(79,400	)		(133,405	)		—			—			(133,405	)
Additions to properties, plants and equipment – HEP		—			—			—			—			(22,900	)		—			(22,900	)
Investment in Sabine Biofuels		(9,125	)		—			—			(9,125	)		—			—			(9,125	)
Purchases of marketable securities		(157,782	)		—			—			(157,782	)		—			—			(157,782	)
Sales and maturities of marketable securities		68,150			—			—			68,150			—			—			68,150
		(101,380	)		(51,382	)		(79,400	)		(232,162	)		(22,900	)		—			(255,062	)
Cash flows from financing activities
Net borrowings under credit agreements – HEP		—			—			—			—			27,000			—			27,000
Repayments under financing obligation		—			(563	)		—			(563	)		—			—			(563	)
Purchase of treasury stock		(2,996	)		—			—			(2,996	)		—			—			(2,996	)
Contribution from joint venture partner		—			(63,000	)		79,500			16,500			—			—			16,500
Dividends		(15,984	)		—			—			(15,984	)		—			—			(15,984	)
Distributions to noncontrolling interest		—			—			—			—			(44,862	)		19,729			(25,133	)
Excess tax benefit from equity based compensation		498			—			—			498			—			—			498
Purchase of units for HEP restricted grants		—			—			—			—			(1,379	)		—			(1,379	)
Deferred financing costs		(140	)		—			—			(140	)		(3,149	)		—			(3,289	)
		(18,622	)		(63,563	)		79,500			(2,685	)		(22,390	)		19,729			(5,346	)
Cash and cash equivalents
Increase (decrease) for the period		184,059			7,379			5,151			196,589			999			—			197,588
Beginning of period		230,082			(9,035	)		7,651			228,698			403			—			229,101
End of period	$	414,141		$	(1,656	)	$	12,802		$	425,287		$	1,402		$	—		$	426,689

Condensed Consolidating Statement of Cash Flows
Six Months Ended June 30, 2010	Parent			Guarantor Restricted Subsidiaries			Non- Guarantor Restricted Subsidiaries			HollyFrontier Before Consolidation of HEP			Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)			Eliminations			Consolidated
	(In thousands)
Cash flows from operating activities	$	24,464		$	(15,103	)	$	1,379		$	10,740		$	45,186		$	(17,580	)	$	38,346
Cash flows from investing activities
Additions to properties, plants and equipment		(1,279	)		(54,880	)		(15,884	)		(72,043	)		—			—			(72,043	)
Additions to properties, plants and equipment – HEP		—			—			—			—			(43,527	)		39,040			(4,487	)
Proceeds from sale of assets		—			39,040			—			39,040			—			(39,040	)		—
		(1,279	)		(15,840	)		(15,884	)		(33,003	)		(43,527	)		—			(76,530	)
Cash flows from financing activities
Net repayments under credit agreements – HEP		—			—			—			—			(51,000	)		—			(51,000	)
Proceeds from issuance of senior notes – HEP		—			—			—			—			147,540			—			147,540
Repayments under financing obligation		—			(616	)		—			(616	)		—			201			(415	)
Purchase of treasury stock		(1,308	)		—			—			(1,308	)		—			—			(1,308	)
Contribution from joint venture partner		—			(15,000	)		20,000			5,000			—			—			5,000
Dividends		(15,901	)		—			—			(15,901	)		—			—			(15,901	)
Purchase price in excess of transferred basis in assets		—			53,960			—			53,960			(53,960	)		—			—
Distributions to noncontrolling interest		—			—			—			—			(41,312	)		17,379			(23,933	)
Excess tax expense from equity based compensation		(1,313	)		—			—			(1,313	)		—			—			(1,313	)
Deferred financing costs		(1,177	)		(1,125	)		—			(2,302	)		(353	)		—			(2,655	)
Purchase of units for HEP restricted grants		—			—			—			—			(2,276	)		—			(2,276	)
Issuance of common stock upon exercise of options		61			—			—			61			—			—			61
		(19,638	)		37,219			20,000			37,581			(1,361	)		17,580			53,800
Cash and cash equivalents
Increase (decrease) for the period		3,547			6,276			5,495			15,318			298			—			15,616
Beginning of period		127,560			(12,477	)		7,005			122,088			2,508			—			124,596
End of period	$	131,107		$	(6,201	)	$	12,500		$	137,406		$	2,806		$	—		$	140,212