10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

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

For the quarterly period ended September 30, 2014

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: 001-36511

Eclipse Resources Corporation

(Exact name of registrant as specified in its charter)

Delaware	46-4812998
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
2121 Old Gatesburg Rd, Suite 110 State College, PA	16803
(Address of principal executive offices)	(Zip code)

(814) 308-9754

(Registrant’s telephone number, including area code)

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

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

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a small 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	¨	Accelerated filer	¨
Non-accelerated filer	x  (Do not check if a smaller reporting company)	Smaller reporting company	¨

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

Number of shares of the registrant’s common stock outstanding at November 12, 2014: 160,031,115 shares

ECLIPSE RESOURCES CORPORATION

QUARTERLY REPORT ON FORM 10-Q

TABLE OF CONTENTS

	Page
Cautionary Statement Regarding Forward-Looking Statements		3
Commonly Used Defined Terms		4
PART I—FINANCIAL INFORMATION		6
Item 1. Financial Statements		6
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations		28
Item 3. Quantitative and Qualitative Disclosures about Market Risk		48
Item 4. Controls and Procedures		49
PART II—OTHER INFORMATION		50
Item 1. Legal Proceedings		50
Item 1A. Risk Factors		50
Item 6. Exhibits		50
Signatures		51
Index to Exhibits		52

2

Cautionary Statement Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q (the “Quarterly Report”) contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”) and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). All statements, other than statements of historical fact included in this Quarterly Report, regarding our strategy, future operations, financial position, estimated revenues and income/losses, projected costs and capital expenditures, prospects, plans and objectives of management are forward-looking statements. When used in this Quarterly Report, the words “will,” “would,” “could,” “believe,” “anticipate,” “intend,” “estimate,” “expect,” “project” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain such identifying words. These forward-looking statements are based on our current expectations and assumptions about future events and are based on currently available information as to the outcome and timing of future events. When considering forward-looking statements, you should keep in mind the risk factors and other cautionary statements described under the heading “Risk Factors” in our final prospectus dated June 19, 2014 and filed with the Securities Exchange Commission pursuant to Rule 424(b) of the Securities Act on June 23, 2014 (the “IPO Prospectus”), and in “Item 1A. Risk Factors” of this Quarterly Report.

Forward-looking statements may include statements about:

• our business strategy;

• reserves;

• general economic conditions;

• financial strategy, liquidity and capital required for developing our properties and timing related thereto;

• realized natural gas, NGLs and oil prices;

• timing and amount of future production of natural gas, NGLs and oil;

• our hedging strategy and results;

• future drilling plans;

• competition and government regulations, including those related to hydraulic fracturing;

• the anticipated benefits under our commercial agreements;

• pending legal matters relating to our leases;

• marketing of natural gas, NGLs and oil;

• leasehold and business acquisitions;

• the costs, terms and availability of gathering, processing, fractionation and other midstream services;

• credit markets;

• uncertainty regarding our future operating results, including initial production rates and liquid yields in our type curve areas; and

• plans, objectives, expectations and intentions contained in this Quarterly Report that are not historical.

We caution you that these forward-looking statements are subject to all of the risks and uncertainties, most of which are difficult to predict and many of which are beyond our control, incident to the exploration for and development, production, gathering and sale of natural gas, NGLs and oil. These risks include, but are not limited to, legal and environmental risks, drilling and other operating risks, regulatory changes, commodity price volatility, inflation, lack of availability of drilling, production and processing equipment and services, counterparty credit risk, the uncertainty inherent in estimating natural gas, NGLs and oil reserves and in projecting future rates of production, cash flow and access to capital, the timing of development expenditures, and the other risks described under the heading “Item 1A. Risk Factors” in our Final Prospectus of Form S-1 and in “Item 1A. Risk Factors” of this Quarterly Report.

Reserve engineering is a process of estimating underground accumulations of natural gas, NGLs and oil that cannot be measured in an exact way. The accuracy of any reserve estimate depends on the quality of available data, the interpretation of such data and price and cost assumptions made by reserve engineers. In addition, the results of drilling, testing and production activities may justify revisions of estimates that were made previously. If significant, such revisions could change the schedule of any further production and development drilling. Accordingly, reserve estimates may differ significantly from the quantities of natural gas, NGLs and oil that are ultimately recovered.

3

Should one or more of the risks or uncertainties described in this Quarterly Report occur, or should underlying assumptions prove incorrect, our actual results and plans could differ materially from those expressed in any forward-looking statements.

All forward-looking statements, expressed or implied, included in this Quarterly Report are expressly qualified in their entirety by this cautionary statement. This cautionary statement should also be considered in connection with any subsequent written or oral forward-looking statements that we or persons acting on our behalf may issue.

Except as otherwise required by applicable law, we disclaim any duty to update any forward-looking statements, all of which are expressly qualified by the statements in this section, to reflect events or circumstances after the date of this Quarterly Report.

Commonly Used Defined Terms

As used in this Quarterly Report, unless the context indicates or otherwise requires, the following terms have the following meanings:

• “Eclipse,” “Eclipse Resources,” the “Company,” “we,” “our,” “us” and like terms refer collectively to Eclipse Resources Corporation and its consolidated subsidiaries, including Eclipse Resources I, L.P., Eclipse Resources-Ohio, LLC, and Eclipse Resources Operating, LLC;

• “Eclipse I” refers to Eclipse Resources I, L.P., which is our predecessor for accounting purposes, and its consolidated subsidiaries;

• “Eclipse Holdings” refers to Eclipse Holdings , L.P.;

• “Eclipse Operating” refers to Eclipse Resources Operating, LLC, which is our predecessor management company acquired as part of the reorganization completed at the time of IPO;

• “EnCap” refers to EnCap Investments L.P.;

• “Oxford” or “The Oxford Oil Company” refers to The Oxford Oil Company. Immediately prior to the Company’s acquisition of Oxford, Oxford merged into Eclipse Resources-Ohio LLC;

• “Bbl” A standard barrel containing 42 U.S. gallons;

• “Bbls/d” Bbls per day;

• “Boe” One barrel of oil equivalent, calculated by converting natural gas to oil equivalent barrels at a ratio of six Mcf of natural gas to one Bbl of oil;

• “Boe/d” One Boe per day;

• “Btu” One British thermal unit, which is the quantity of heat required to raise the temperature of a one-pound mass of water by one degree Fahrenheit;

• “Completion” The process of treating a drilled well followed by the installation of permanent equipment for the production of oil or natural gas or, in the case of a dry hole, the reporting of abandonment to the appropriate agency;

• “Differential” An adjustment to the price of oil or natural gas from an established spot market price to reflect differences in the quality and/or location of oil or natural gas;

• “Dry hole” or “dry well” A well found to be incapable of producing hydrocarbons in sufficient quantities such that proceeds from the sale of such production exceed production expenses and taxes;

• “Exploration” A development or other project that may target proven or unproven reserves (such as probable or possible reserves), but which generally has a lower risk than that associated with exploration projects;

• “Field” An area consisting of a single reservoir or multiple reservoirs all grouped on, or related to, the same individual geological structural feature or stratigraphic condition. The field name refers to the surface area, although it may refer to both the surface and the underground productive formations;

• “Formation” A layer of rock that has distinct characteristics that differs from nearby rock;

• “Gross acres” or “gross wells.” The total acres or wells, as the case may be, in which a working interest is owned;

• “Horizontal drilling” A drilling technique used in certain formations where a well is drilled vertically to a certain depth and then drilled at a right angle within a specified interval;

• “MBbl” One thousand barrels;

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• “MBoe” One thousand Boe;

• “Mcf” One thousand cubic feet;

• “Mcf/d” One Mcf per day;

• “MMBbls” One million barrels;

• “MMBoe” One million Boe;

• “MMBtu” One million British thermal units;

• “MMcf” One million cubic feet;

• “Mcfe” refers to one thousand cubic feet equivalent, determined using the ratio of six Mcf of natural gas to one Bbl of crude oil, condensate or NGLs;

• “Net production” Production that is owned by us less royalties and production due others;

• “NGLs” Natural gas liquids. Hydrocarbons found in natural gas that may be extracted as liquefied petroleum gas and natural gasoline;

• “NYMEX” The New York Mercantile Exchange;

• “Operator” The individual or company responsible for the exploration and/or production of an oil or natural gas well or lease;

• “Plugging” The sealing off of fluids in the strata penetrated by a well so that the fluids from one stratum will not escape into another or to the surface;

• “Realized price” The cash market price less all expected quality, transportation and demand adjustments;

• “Reservoir” A porous and permeable underground formation containing a natural accumulation of producible oil and/or natural gas that is confined by impermeable rock or water barriers and is separate from other reservoirs;

• “SEC” The United States Securities and Exchange Commission;

• “Spot market price” The cash market price without reduction for expected quality, transportation and demand adjustments;

• “Undeveloped acreage” Lease acreage on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and natural gas regardless of whether such acreage contains proved reserves;

• “Unit” The joining of all or substantially all interests in a reservoir or field, rather than a single tract, to provide for development and operation without regard to separate property interests. Also, the area covered by a unitization agreement;

• “Working interest” The right granted to the lessee of a property to explore for and to produce and own oil, natural gas or other minerals. The working interest owners bear the exploration, development and operating costs on either a cash, penalty or carried basis;

• “WTI” West Texas Intermediate;

• The terms “development project,” “development well,” “exploratory well,” “proved developed reserves,” “proved reserves” and “reserves” are defined by the SEC;

5

PART I—FINANCIAL INFORMATION

Item 1. Financial Statements

ECLIPSE RESOURCES CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except per share data)

(unaudited)

	September 30, 2014			December 31, 2013
ASSETS
CURRENT ASSETS
Cash and cash equivalents	$	254,743		$	109,509
Accounts receivable		47,026			8,678
Other current assets		4,489			594
Deferred tax asset		1,543			—
Total current assets		307,801			118,781
PROPERTY AND EQUIPMENT AT COST
Oil and natural gas properties, successful efforts method:
Unproved properties		1,169,813			926,812
Proved oil and gas properties, net		397,154			88,932
Other property and equipment, net		7,129			2,340
Total property and equipment, net		1,574,096			1,018,084
OTHER NONCURRENT ASSETS
Debt issue costs, net of $2.1 million and $0.8 million of amortization, respectively		6,488			6,570
Other assets		300			88
Total other noncurrent assets		6,788			6,658
TOTAL ASSETS	$	1,888,685		$	1,143,523
LIABILITIES AND STOCKHOLDERS’ EQUITY AND PARTNERS’ CAPITAL
CURRENT LIABILITIES
Accounts payable	$	130,319		$	29,368
Accrued capital expenditures		39,350			19,200
Accrued liabilities		12,487			4,940
Accrued interest payable		10,576			20,294
Accrued liabilities—related party		—			1,951
Total current liabilities		192,732			75,753
NONCURRENT LIABILITIES
Debt, net of unamortized discount of $9.0 million and $10.8 million, respectively		413,419			389,247
Credit facility		—			—
Pension liabilities		715			1,497
Asset retirement obligations		10,050			9,055
Deferred taxes		85,833			—
Total noncurrent liabilities		510,017			399,799
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS’ EQUITY AND PARTNERS’ CAPITAL
Partners’ capital		—			666,803
Preferred stock, 50,000 shares authorized, No shares issued and outstanding at September 30, 2014 and December 31, 2013		—			—
Common stock, $0.01 par value, 1,000,000 authorized, 160,000 issued and outstanding at September 30, 2014. No shares authorized, issued, or outstanding at December 31, 2013		1,600			—
Additional paid in capital		1,390,848			—
Accumulated deficit		(206,322	)		—
Accumulated other comprehensive income (loss)		(190	)		1,168
Total stockholders’ equity and partners’ capital		1,185,936			667,971
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY AND PARTNERS’ CAPITAL	$	1,888,685		$	1,143,523

The accompanying notes are an integral part of these consolidated financial statements.

6

ECLIPSE RESOURCES CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per share data)

(unaudited)

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2014			2013			2014			2013
REVENUES
Oil and natural gas sales	$	35,702		$	4,510		$	87,445		$	5,368
Total revenues		35,702			4,510			87,445			5,368
OPERATING EXPENSES
Lease operating		2,077			1,035			6,511			1,165
Transportation, gathering and compression		6,857			23			10,710			23
Production and ad valorem taxes		2,132			26			3,187			32
Depreciation, depletion and amortization		29,983			2,462			51,967			3,445
Exploration		3,057			350			16,897			470
General and administrative		11,897			6,042			28,720			12,504
Impairment of oil and gas properties		4,605			—			4,605			—
Accretion of asset retirement obligations		198			117			575			234
Gain on reduction of pension liability		—			—			(2,208	)		—
Total operating expenses		60,806			10,055			120,964			17,873
OPERATING LOSS		(25,104	)		(5,545	)		(33,519	)		(12,505	)
OTHER INCOME (EXPENSE)
Gain on derivative instruments		5,572			—			1,098			—
Interest expense, net		(10,066	)		(10,939	)		(35,320	)		(11,478	)
Other income		—			—			1,585			—
Total other expense, net		(4,494	)		(10,939	)		(32,637	)		(11,478	)
LOSS BEFORE INCOME TAXES		(29,598	)		(16,484	)		(66,156	)		(23,983	)
INCOME TAX EXPENSE (BENEFIT)		(10,544	)		—			83,997			—
NET LOSS	$	(19,054	)	$	(16,484	)	$	(150,153	)	$	(23,983	)
NET LOSS PER COMMON SHARE
Basic and diluted	$	(0.12	)				$	(1.08	)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
Basic and diluted		160,000						139,102

The accompanying notes are an integral part of these consolidated financial statements.

7

ECLIPSE RESOURCES CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(in thousands)

(unaudited)

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2014			2013			2014			2013
NET LOSS	$	(19,054	)	$	(16,484	)	$	(150,153	)	$	(23,983	)
Other comprehensive loss:
Pension obligation adjustment		(125	)		—			(1,358	)		—
TOTAL COMPREHENSIVE LOSS	$	(19,179	)	$	(16,484	)	$	(151,511	)	$	(23,983	)

The accompanying notes are an integral part of these consolidated financial statements.

8

ECLIPSE RESOURCES CORPORATION

CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY AND PARTNERS’ CAPITAL

(in thousands)

(unaudited)

	For the Nine Months Ended September 30, 2014
	Partners’ Capital			Common Stock ($0.01 Par)		Additional Paid-in-Capital			Accumulated Deficit			Accumulated Other Comprehensive Income (Loss)			Total
Balances, December 31, 2013	$	666,803		$	—	$	—		$	—		$	1,168		$	667,971
Net loss										(150,153	)		—			(150,153	)
Capital contributions		124,667			—		—			—			—			124,667
Incentive unit compensation		87			—		—			—			—			87
Pension obligation adjustment		—			—		—			—			(1,358	)		(1,358	)
IPO proceeds		—			1,600		548,425			—			—			550,025
IPO offering costs		—			—		(5,303	)		—			—			(5,303	)
Effect of corporate reorganization		(791,557	)		—		847,726			(56,169	)		—			—
Balances, September 30, 2014		—			1,600		1,390,848			(206,322	)		(190	)		1,185,936

The accompanying notes are an integral part of these consolidated financial statements.

9

ECLIPSE RESOURCES CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(unaudited)

	For the Nine Months Ended September 30,
	2014			2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$	(150,153	)	$	(23,983	)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities
Depreciation, depletion and amortization		51,967			3,445
Exploration expense		16,897			470
Pension benefit costs		69			—
Incentive unit compensation		87			—
Impairment of oil and gas properties		4,605			—
Accretion of asset retirement obligations		575			234
Gain on reduction of pension liability		(2,208	)		—
Gain on derivative instruments		(1,098	)		—
Net cash payments on settled derivatives		(1,647	)		—
Net cash payments on option premiums		(385	)		—
Gain on business acquisition		(1,585	)		—
Deferred income taxes		83,997			—
Interest not paid in cash		2,166			10,508
Amortization of deferred financing costs		1,314			647
Amortization of debt discount		1,711			—
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable		(37,187	)		(4,966	)
Other assets		(1,213	)		(1,401	)
Accounts payable and accrued liabilities		21,270			3,954
Accrued liabilities—affiliate		(1,951	)		—
Net cash used in operating activities		(12,769	)		(11,092	)
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures for oil and gas properties		(507,756	)		(153,390	)
Capital expenditures for other property and equipment		(2,986	)		—
Proceeds from the sale of oil and gas properties		—			8,497
Acquisition of business, net of cash acquired		754			(651,847	)
Net cash used in investing activities		(509,988	)		(796,740	)
CASH FLOWS FROM FINANCING ACTIVITIES
Debt issuance costs		(1,232	)		(6,890	)
Capital contributions		124,667			583,595
Proceeds from issuance of common stock, net of underwriting fees		550,025			—
Initial public offering costs		(5,303	)		—
Repayments (borrowings) under revolving credit facility		—			—
Proceeds from issuance of long-term debt		—			288,000
Repayments of long-term debt		(166	)		—
Net cash provided by financing activities		667,991			864,705
Net increase in cash and cash equivalents		145,234			56,873
Cash and cash equivalents at beginning of period		109,509			27,057
Cash and cash equivalents at end of period	$	254,743		$	83,930
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest	$	25,865		$	—
Cash paid for income taxes	$	—		$	—
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITIES:
Asset retirement obligations incurred, including changes in estimate	$	420		$	—
Additions of other property through debt financing	$	823		$	—
Additions to oil and natural gas properties—changes in accounts payable, accrued liabilities, and accrued capital expenditures	$	114,639		$	8,256
Interest paid-in-kind	$	22,461		$	—

The accompanying notes are an integral part of these consolidated financial statements.

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ECLIPSE RESOURCES CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2014 and 2013

(Unaudited)

Note 1—Organization and Nature of Operations

Eclipse Resources Corporation (the “Company”) was formed on February 13, 2014, pursuant to the laws of the State of Delaware to become a holding company for Eclipse Resources I, LP (“Eclipse I”). Eclipse I is engaged in the acquisition and development of oil and natural gas properties in the Appalachian Basin of the United States, which encompasses the Utica Shale and Marcellus Shale prospective areas.

On June 24, 2014 prior to the completion of the IPO, a Corporate Reorganization was completed. As a part of this corporate reorganization the following transactions occurred (collectively, the “Corporate Reorganization”):

• the acquisition by Eclipse I of all of the outstanding equity interests in Eclipse Resources Operating, LLC (“Eclipse Operating”);

• the contribution of equity interests in Eclipse I to Eclipse Resources Holdings, L.P. (“Eclipse Holdings”) by its then limited partners in exchange for similar equity interests in Eclipse Holdings;

• the transfer of the outstanding equity interests in Eclipse I GP, the general partner of Eclipse I, to Eclipse Holdings; and

• the contribution of equity interests in Eclipse I and the outstanding equity interests in Eclipse I GP, LLC, to the Company by Eclipse Holdings in exchange for 138,500,000 shares of common stock.

As a result of the Corporate Reorganization, the Company became a majority controlled direct subsidiary of Eclipse Holdings, and Eclipse I became a direct subsidiary of the Company. Each of the transactions that occurred as part of the Corporate Reorganization have been accounted for as a reorganization of entities under common control, with the exception of the acquisition of the outstanding equity interests of Eclipse Operating by Eclipse I, which has been accounted for as a business combination using the acquisition method (See “Note 4—Acquisitions”).

On June 25, 2014, the Company completed the initial public offering (“IPO”) of 30,300,000 shares of $0.01 par value common stock, which included 21,500,000 shares sold by the Company and 8,800,000 shares sold by certain selling stockholders.

The gross proceeds to the Company and selling stockholders were approximately $818.1 million, which resulted in net proceeds to the Company of approximately $544.7 million after deducting expenses and underwriting discounts and commissions of approximately $35.8 million. The Company did not receive any proceeds from the sale of the shares by the certain selling stockholders. The net proceeds from the IPO were used to repay all of the then outstanding borrowings under the revolving credit facility and the Company expects to use the remaining net proceeds to fund a portion of the capital expenditure plan.

Note 2—Basis of Presentation

The accompanying unaudited condensed consolidated financial statements of Eclipse Resources Corporation for the period from January 1, 2014 through June 23, 2014, as contained within the nine months ended September 30, 2014; the three and nine months ended September 30, 2013; and as of December 31, 2013, pertain to the historical financial statements and results of operations of Eclipse Resources I, LP., our accounting predecessor.

The accompanying condensed consolidated financial statements, which are unaudited except the balance sheet at December 31, 2013 which is derived from audited financial statements, are presented in accordance with the requirements of accounting principles generally accepted in the United States (“U.S. GAAP”) for interim reporting. They do not include all disclosures normally made and contained in annual financial statements. In management’s opinion, all adjustments necessary for a fair presentation of the Company’s financial position, results of operations and cash flows for the periods disclosed have been made. These interim condensed consolidated financial statements should be read in conjunction with the audited financial statements and notes thereto presented in the Company’s financial statements for the year ended December 31, 2013.

Operating results for interim periods may not necessarily be indicative of the results of operations for the full year ending December 31, 2014 or any other future periods.

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Preparation in accordance with U.S. GAAP requires the Company to (1) adopt accounting policies within accounting rules set by the Financial Accounting Standards Board (“FASB”) and (2) make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses and other disclosed amounts. “Note 3—Summary of Significant Accounting Policies” describes our significant accounting policies. The Company’s management believes the major estimates and assumptions impacting the condensed consolidated financial statements are the following:

• estimates of proved reserves of oil and natural gas, which affect the calculations of depreciation, depletion and amortization and impairment of capitalized costs of oil and natural gas properties;

• estimates of asset retirement obligations;

• estimates of the fair value of oil and natural gas properties the Company owns, particularly properties that the Company has not yet explored, or fully explored, by drilling and completing wells;

• impairment of undeveloped properties and other assets; and

• depreciation and depletion of property and equipment.

Actual results may differ from estimates and assumptions of future events and these revisions could be material. Future production may vary materially from estimated oil and natural gas proved reserves. Actual future prices may vary significantly from price assumptions.

Note 3—Summary of Significant Accounting Policies

(a) Cash and Cash Equivalents

Cash and cash equivalents are comprised of cash in banks and highly liquid instruments with original maturities of three months or less, primarily consisting of bank time deposits and investments in institutional money market funds. The carrying amounts approximate fair value due to the short-term nature of these items. Cash in bank accounts at times may exceed federally insured limits.

(b) Accounts Receivable

Accounts receivable are carried at estimated net realizable value. Receivables deemed uncollectible are charged directly to expense. Trade credit is generally extended on a short-term basis, and therefore, accounts receivable do not bear interest, although a finance charge may be applied to such receivables that are past due. A valuation allowance is provided for those accounts for which collection is estimated as doubtful and uncollectible accounts are written off and charged against the allowance. In estimating the allowance, management considers, among other things, how recently and how frequently payments have been received and the financial position of the party. The Company did not deem any of its accounts receivables to be uncollectable as of September 30, 2014 or December 31, 2013.

The Company accrues revenue due to timing differences between the delivery of natural gas, natural gas liquids (NGLs), and crude oil and the receipt of a delivery statement. These revenues are recorded based upon volumetric data from the Company’s records and management’s estimates of the related commodity sales and transportation and compression fees which are, in turn, based upon applicable product prices. The Company had $23.9 million and $4.1 million of accrued revenues at September 30, 2014 and December 31, 2013, respectively, which were included in accounts receivable within the Company’s condensed consolidated balance sheets.

(c) Property and Equipment

Oil and Natural Gas Properties

The Company follows the successful efforts method of accounting for its oil and natural gas operations. Acquisition costs for oil and natural gas properties, costs of drilling and equipping productive wells, and costs of unsuccessful development wells are capitalized and amortized on an equivalent unit-of-production basis over the life of the remaining related oil and gas reserves. The estimated future costs of dismantlement, restoration, plugging and abandonment of oil and gas properties and related disposal are capitalized when asset retirement obligations are incurred and amortized as part of depreciation, depletion and amortization expense (see “Depreciation, Depletion and Amortization” below).

Costs incurred to acquire producing and non-producing leaseholds are capitalized. All unproved leasehold acquisition costs are initially capitalized, including the cost of leasing agents, title work and due diligence. If the Company acquires leases in a prospective area, these costs are capitalized as unproved leasehold costs. If no leases are acquired by the Company with respect to the initial costs

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incurred or the Company discontinues leasing in a prospective area, the costs are charged to exploration expense. Unproved leasehold costs that are determined to have proved oil and gas reserves are transferred to proved leasehold costs.

Upon the sale or retirement of a complete field of a proved property, the cost is eliminated from the property accounts, and the resultant gain or loss is reclassified to the Company’s condensed consolidated statements of operations. Upon the sale of an individual well, the proceeds are credited to accumulated depreciation and depletion within the Company’s condensed consolidated balance sheets. Upon sale of an entire interest in an unproved property where the property had been assessed for impairment individually, a gain or loss is recognized in the Company’s condensed consolidated statements of operations. If a partial interest in an unproved property is sold, any funds received are accounted for as a reduction of the cost in the interest retained.

A summary of property and equipment including oil and natural gas properties is as follows (in thousands):

	September 30, 2014			December 31, 2013
Oil and natural gas properties:
Unproved	$	1,169,813		$	926,812
Proved		461,768			97,528
Gross oil and natural gas properties		1,631,581			1,024,340
Less accumulated depreciation, depletion and amortization		(64,614	)		(8,596	)
Oil and natural gas properties, net		1,566,967			1,015,744
Other property and equipment		7,734			2,392
Less accumulated depreciation		(605	)		(52	)
Other property and equipment, net		7,129			2,340
Property and equipment, net	$	1,574,096		$	1,018,084

Exploration expenses, including geological and geophysical expenses and delay rentals for unevaluated oil and gas properties are charged to expense as incurred. Exploratory drilling costs are initially capitalized as unproved property, not subject to depletion, but charged to expense if and when the well is determined not to have found proved oil and gas reserves.

Other Property and Equipment

Other property and equipment include land, buildings, leasehold improvements, vehicles, computer equipment and software, telecommunications equipment, and furniture and fixtures. These items are recorded at cost, or fair value if acquired through a business acquisition.

(d) Revenue Recognition

Oil and natural gas sales revenue is recognized when produced quantities of oil and natural gas are delivered to a custody transfer point such as a pipeline, processing facility or a tank lifting has occurred, persuasive evidence of a sales arrangement exists, the rights and responsibility of ownership pass to the purchaser upon delivery, collection of revenue from the sales is reasonably assured and the sales price is fixed or determinable. Revenues from the sales of natural gas, crude oil or NGLs in which the Company has an interest with other producers are recognized using the sales method on the basis of the Company’s net revenue interest. The Company had no material imbalances as of September 30, 2014 and December 31, 2013.

In accordance with the terms of joint operating agreements, from time to time, the Company may be paid monthly fees for operating or drilling wells for outside owners. The fees are meant to recoup some of the operator’s general and administrative costs in connection with well and drilling operations and are accounted for as credits to general and administrative expense.

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(e) Major Customers

The Company sells production volumes to various purchasers. There were two customers that accounted for 10% or more of the total natural gas, NGLs and oil sales for the three and nine months ended September 30, 2014. There were four customers that accounted for 10% or more of the total natural gas, NGLs and oil sales for the three and nine months ended September 30, 2013. Management believes that the loss of any one customer would not have an adverse effect on the Company’s ability to sell natural gas, NGLs and oil production. The following table sets forth the Company’s major customers and associated percentage of revenue for the periods indicated:

	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2014	2013	2014	2013
Purchaser
Antero Resources Corporation	48%	19%	57%	26%
ARM Energy Management	26%	—	20%	—
Condevco	4%	28%	5%	26%
Dominion East Ohio	3%	19%	4%	17%
Ergon	2%	14%	2%	12%
Total	83%	80%	88%	81%

Management believes that there are potential alternative purchasers and that it may be necessary to establish relationships with new purchasers. However, there can be no assurance that the Company can establish such relationships or that those relationships will result in an increased number of purchasers. Although the Company is exposed to a concentration of credit risk, management believes that all of the Company’s purchasers are credit worthy.

(f) Concentration of Credit Risk

The following table summarizes concentration of receivables, net of allowances, by product or service as of September 30, 2014 and December 31, 2013 (in thousands):

	September 30, 2014		December 31, 2013
Receivables by product or service:
Sale of oil and natural gas and related products and services	$	23,925	$	4,092
Joint interest owners		22,661		4,586
Miscellaneous other		440		—
Total	$	47,026	$	8,678

Oil and natural gas customers include pipelines, distribution companies, producers, gas marketers and industrial users primarily located in the State of Ohio. As a general policy, collateral is not required for receivables, but customers’ financial condition and credit worthiness are evaluated regularly.

By using derivative instruments that are not traded on an exchange to hedge exposures to changes in commodity prices, the Company exposes itself to the credit risk of counterparties. Credit risk is the potential failure of the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is positive, the counterparty is expected to owe the Company, which creates credit risk. To minimize the credit risk in derivative instruments, it is the Company’s policy to enter into derivative contracts only with counterparties that are creditworthy financial institutions deemed by management as competent and competitive market-makers. Additionally, the Company uses master netting agreements to minimize credit-risk exposure. The creditworthiness of the Company’s counterparties is subject to periodic review. The fair value of the Company’s commodity derivative contracts is a net asset position of $2.3 million at September 30, 2014. Other than as provided by the revolving credit facility, the Company is not required to provide credit support or collateral to any of its counterparties under the Company’s contracts, nor are they required to provide credit support to the Company. As of September 30, 2014, the Company did not have past-due receivables from or payables to any of the counterparties.

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(g) Accumulated Other Comprehensive Income (Loss)

Comprehensive loss includes net loss and all other changes in the equity of a business during a period from transactions and other events and circumstances from non-owner sources that, under U.S. GAAP, have not been recognized in the calculation of net loss. These changes, other than net loss, are referred to as “other comprehensive loss” and for the Company they include a pension benefit plan that requires the Company to (i) recognize the overfunded or underfunded status of a defined benefit retirement plan as an asset or liability in its balance sheet and (ii) recognize changes in that funded status in the year in which the changes occur through other comprehensive loss. The Company’s pension plan was underfunded by $0.7 million and $1.5 million at September 30, 2014 and December 31, 2013, respectively. Effective March 31, 2014, benefit accruals in the plan were frozen resulting in a gain on reduction of pension liability of $0.0 and $2.2 million for the three and nine months ended September 30, 2014, respectively. No such gain was recorded for the three and nine months ended September 30, 2013.

(h) Depreciation, Depletion and Amortization

Oil and Natural Gas Properties

Depreciation, depletion, and amortization (“DD&A”) of capitalized costs of proved oil and natural gas properties is computed using the unit-of-production method on a unit level basis using total estimated proved reserves. The reserve base used to calculate DD&A for leasehold acquisition costs and the cost to acquire proved properties is the sum of proved developed reserves and proved undeveloped reserves. The reserve base used to calculate DD&A for drilling, completion and well equipment costs, which include development costs and successful exploration drilling costs, includes only proved developed reserves. DD&A expense relating to proved oil and natural gas properties for the three months ended September 30, 2014 and 2013 totaled approximately $29.6 million and $2.2 million, respectively, and for the nine months ended September 30, 2014 and 2013 totaled approximately $51.4 million and $3.2 million, respectively.

Other Property and Equipment

Depreciation with respect to other property and equipment is calculated using straight-line methods based on expected lives of the individual assets or groups of assets ranging from 5 to 40 years. Depreciation for the three months ended September 30, 2014 and 2013 totaled approximately $0.4 million and $0.2, respectively; and for the nine months ended September 30, 2014 and 2013 totaled approximately $0.6 million and $0.2, respectively. This amount is included in DD&A expense in the condensed consolidated statements of operations.

(i) Impairment of Long-Lived Assets

The Company reviews its long lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If it is determined that an asset’s estimated future cash flows will not be sufficient to recover its carrying amount, an impairment charge will be recorded to reduce the carrying amount for that asset to its estimated fair value if such carrying amount exceeds the fair value.

The review of the Company’s oil and gas properties is done by determining if the historical cost of proved properties less the applicable accumulated DD&A and abandonment is less than the estimated expected undiscounted future cash flows. The expected future cash flows are estimated based on the Company’s plans to continue to produce and develop proved reserves. Expected future cash flow from the sale of production of reserves is calculated based on estimated future prices. The Company estimates prices based upon current contracts in place, adjusted for basis differentials and market-related information, including published futures prices. The estimated future level of production is based on assumptions surrounding future prices and costs, field decline rates, market demand and supply and the economic and regulatory climates. If the carrying value exceeds the expected future cash flows, an impairment loss is recognized for the difference between the estimated fair market value (as determined by discounted future cash flows) and the carrying value of the assets. The Company recognized impairment expenses relating to proved properties of $4.6 million for the three months and nine months ended September 30, 2014. There were no impairments of proved properties for the three and nine months ended September 30, 2013.

The determination of oil and natural gas reserve estimates is a subjective process, and the accuracy of any reserve estimate depends on the quality of available data and the application of engineering and geological interpretation and judgment. Estimates of economically recoverable reserves and future net cash flows depend on a number of variable factors and assumptions that are difficult to predict and may vary considerably from actual results.

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Unproved properties are reviewed annually for impairment or whenever events or circumstances indicate that the carrying amount of an asset may not be recoverable. An impairment charge is recorded if conditions indicate the Company will not explore the acreage prior to expiration of the applicable leases. The Company recorded $0.5 million and $4.2 million to impairment of unproved oil and gas properties related to lease expirations for the three and nine months ended September 30, 2014, respectively. These costs are included in exploration expense in the condensed consolidated statements of operations. No such impairments were recorded for the three and nine months ended September 30, 2013.

(j) Income Taxes

Upon the closing of the Corporate Reorganization, the Company owned 100% of Eclipse I, Eclipse Resources-Ohio, LLC and Eclipse Operating. Eclipse I was a limited partnership not subject to federal income taxes before the Corporate Reorganization. However, in connection with the closing of the Corporate Reorganization, the Company became a corporation subject to federal and state income tax and, as such, the Company’s future income taxes will be dependent upon its future taxable income. The change in tax status requires the recognition of a deferred tax asset or liability for the initial temporary differences at the time of the change in status. The resulting net deferred tax liability of approximately $94.4 million was recorded as income tax expense at the date of the completion of the Corporate Reorganization.

The FASB’s Accounting Standards Codification (“ASC”) Topic 740 “Income Taxes” provides that a tax benefit from an uncertain tax position may be recognized when it is more likely than not that the position will be sustained upon examination, including resolutions of any related appeals or litigation processes, based on the technical merits. Income tax positions must meet a more-likely-than-not recognition threshold at the effective date to be recognized upon the adoption of the uncertain tax position guidance and in subsequent periods. This interpretation also provides guidance on measurement, derecognition, classification, interest and penalties, accounting in interim periods, disclosure and transition. The Company recognizes fines and penalties as income tax expense.

(k) Fair Value of Financial Instruments

The Company has established a hierarchy to measure its financial instruments at fair value which requires it to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The hierarchy defines three levels of inputs that may be used to measure fair value:

Level 1—Unadjusted quoted prices in active markets for identical, unrestricted assets and liabilities that the reporting entity has the ability to access at the measurement date.

Level 2—Inputs other than quoted prices included within Level 1 that are observable for the asset and liability or can be corroborated with observable market date for substantially the entire contractual term of the asset or liability.

Level 3—Unobservable inputs that reflect the entity’s own assumptions about the assumption market participants would use in the pricing of the asset or liability and are consequently not based on market activity but rather through particular valuation techniques.

Valuation techniques that maximize the use of observable inputs are favored. Assets and liabilities are classified in their entirety based on the lowest priority level of input that is significant to the fair value measurement. The assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the placement of assets and liabilities within the levels of the fair value hierarchy.

(l) Derivative Financial Instruments

The Company uses derivative financial instruments to reduce exposure to fluctuations in the prices of the energy commodities it sells.

Derivatives are recorded at fair value and are included on the condensed consolidated balance sheets as current and noncurrent assets and liabilities. Derivatives are classified as current or noncurrent based on the contractual expiration date. Derivatives with expiration dates within the next 12 months are classified as current. The Company netted the fair value of derivatives by counterparty in the accompanying condensed consolidated balance sheets where the right to offset exists. The Company’s derivative instruments were not designated as hedges for accounting purposes for any of the periods presented. Accordingly, the changes in fair value are

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recognized in the condensed consolidated statements of operations in the period of change. Gains and losses on derivatives are included in cash flows from operating activities. Premiums for options are included in cash flows from operating activities.

(m) Asset Retirement Obligation

The Company recognizes a legal liability for its asset retirement obligations (“ARO”) in accordance with Topic ASC 410, “Asset Retirement and Environmental Obligations,” associated with the retirement of a tangible long-lived asset, in the period in which it is incurred or becomes determinable, with an associated increase in the carrying amount of the related long-lived asset. The cost of the tangible asset, including the initially recognized asset retirement cost, is depreciated over the useful life of the asset and accretion expense is recognized over time as the discounted liability is accreted to its expected settlement value. The Company measures the fair value of its ARO using expected future cash outflows for abandonment discounted back to the date that the abandonment obligation was measured using an estimated credit adjusted rate, which was 8.96% for the nine months ended September 30, 2014.

Estimating the future ARO requires management to make estimates and judgments based on historical estimates regarding timing and existence of a liability, as well as what constitutes adequate restoration, inherent in the fair value calculation are numerous assumptions and judgments including the ultimate costs, inflation factors, credit adjusted discount rates, timing of settlement and changes in the legal, regulatory, environmental and political environments. To the extent future revisions to these assumptions impact the fair value of the existing ARO liability, a corresponding adjustment is made to the related asset.

The following table sets forth the changes in the Company’s ARO liability for the period indicated (in thousands):

	Nine Months Ended September 30, 2014
Asset retirement obligations, beginning of period	$	9,055
Additional liabilities incurred		420
Accretion		575
Asset retirement obligations, end of period	$	10,050

The inputs used to determine such fair value are primarily based upon costs incurred historically for similar work, as well as estimates from independent third parties for costs that would be incurred to restore leased property to the contractually stipulated condition. Additions to ARO represent a significant nonrecurring Level 3 measurement.

(n) Lease Obligations

The Company leases office space under operating leases that expire between the years 2015 - 2018. The lease terms begin on the date of initial possession of the leased property for purposes of recognizing lease expense on a straight-line basis over the term of the lease. The Company does not assume renewals in its determination of the lease terms unless the renewals are deemed to be reasonably assured at lease inception.

(o) Off-Balance Sheet Arrangements

The Company does not have any off-balance sheet arrangements.

(p) Segment Reporting

The Company operates in one industry segment: the oil and natural gas exploration and production industry in the United States. All of its operations are conducted in one geographic area of the United States. All revenues are derived from customers located in the United States.

(q) Debt Issuance Costs

The expenditures related to issuing debt are capitalized and included in other assets in the accompanying balance sheets. These costs are amortized over the expected life of the related instruments using the effective interest rate method. When debt is retired before maturity or modifications significantly change the cash flows, related unamortized costs are expensed.

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(r) Recent Accounting Pronouncements

The FASB issued ASU 2013-11, “Income Taxes (Topic 740)—Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists” in December 2013. These amendments provide that an unrecognized tax benefit, or a portion thereof, should be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except to the extent that a net operating loss carryforward, a similar tax loss, or a tax credit carryforward is not available at the reporting date to settle any additional income taxes that would result from disallowance of a tax position, or the tax law does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose, then the unrecognized tax benefit should be presented as a liability. These requirements were effective for annual reporting periods beginning after December 15, 2013, including interim periods within that reporting period. The adoption of this ASU did not impact the Company’s financial position, results of operations or liquidity.

The FASB issued ASU 2014-06, “Technical Corrections and Improvements Related to Glossary Terms”. These amendments relate to glossary terms and cover a wide range of Topics in the Codification. These amendments are presented in four sections: (1) Deletion of Master Glossary Terms arising because of terms that were carried forward from source literature to the Codification but were not utilized in the Codification; (2) Addition of Master Glossary Term Links arising from Master Glossary terms whose links did not carry forward to the Codification; (3) Duplicate Master Glossary Terms arising from Master Glossary terms that appear multiple times in the Master Glossary with similar, but not identical, definitions; and (4) Other Technical Corrections Related to Glossary Terms arising from miscellaneous changes to update Master Glossary terms. These requirements were effective upon issuance. The adoption of this ASU did not impact the Company’s financial position, results of operations or liquidity.

The FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606) (“Update 2014-09”)”, which supersedes the revenue recognition requirements (and some cost guidance) in Topic 605, Revenue Recognition, and most industry-specific guidance throughout the industry topics of the Accounting Standards Codification. In addition, the existing requirements for the recognition of a gain or loss on the transfer of nonfinancial assets that are not in a contract with a customer (for example, assets within the scope of Topic 360, Property, Plant and Equipment, and intangible assets within the scope of Topic 350, Intangibles—Goodwill and Other) are amended to be consistent with the guidance on recognition and measurement (including the constraint on revenue) in Update 2014-09. Topic 606 requires an entity to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. To achieve this, an entity should identify the contract with a customer, identify the performance obligations in the contract, determine the transaction price, allocate the transaction price to the performance obligations in the contract and recognize revenue when (or as) the entity satisfies the performance obligations. These requirements are effective for annual reporting periods beginning after December 15, 2016, including interim periods within that reporting period. Early adoption is not permitted. The Company is evaluating the impact of the adoption on its financial position, results of operations and related disclosures.

In June 2014, the FASB issued ASU 2014-12, Compensation—Stock Compensation (Topic 718) (“Update 2014-12”). The amendments in Update 2014-12 require that a performance target that affects vesting and that could be achieved after the requisite service period, be treated as a performance condition. As such, the performance target should not be reflected in estimating the grant date fair value of the award. Compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved and should represent the compensation cost attributable to the period(s) for which the requisite service has already been rendered. If the performance target becomes probable of being achieved before the end of the requisite service period, the remaining unrecognized compensation cost should be recognized prospectively over the remaining requisite service period. The total amount of compensation cost recognized during and after the requisite service period should reflect the number of awards that are expected to vest and should be adjusted to reflect those awards that ultimately vest. The requisite service period ends when the employee can cease rendering service and still be eligible to vest in the award if the performance target is achieved. The amendments in Update 2014-12 are effective for annual periods and interim periods within those annual periods beginning after December 15, 2015. Earlier adoption is permitted. Entities may apply the amendments in Update 2014-12 either (a) prospectively to all awards granted or modified after the effective date, or (b) retrospectively to all awards with performance targets that are outstanding as of the beginning of the earliest annual period presented in the financial statements and to all new or modified awards thereafter. The Company will adopt the requirements of Update 2014-12 upon its effective date of January 1, 2016, and is evaluating the impact of the adoption on its financial position, results of operations and related disclosures.

In April 2014, the FASB issued ASU 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360)”: Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity”. The objective of the amendments in this update is to change the criteria for reporting discontinued operations and enhance convergence of the FASB’s and the International Accounting Standard Board’s (IASB) reporting requirements for discontinued operations. The amendments in this update change the requirements for reporting discontinued operations in Subtopic 205-20. A discontinued operation may include a component of an entity or a group of components of an entity, or a business or nonprofit activity. A disposal of a component of an entity or a group of components of an entity is required to be reported in discontinued operations if the disposal represents a strategic shift that has (or will have) a major effect on an entity’s operations and financial results. The amendments in this

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update require an entity to present, for each comparative period, the assets and liabilities of a disposal group that includes a discontinued operation separately in the asset and liability sections, respectively, of the statement of financial position. The amendments in this update also require additional disclosures about discontinued operations. Public business entities must apply the amendments in this update prospectively to both of the following: (1) All disposals (or classifications as held for sale) of components of an entity that occur within annual periods beginning on or after December 15, 2014, and interim periods within those years; (2) All businesses or nonprofit activities that, on acquisition, are classified as held for sale that occur within annual periods beginning on or after December 15, 2014, and interim periods within those years. Early adoption is permitted, but only for disposals (or classifications as held for sale) that have not been reported in financial statements previously issued or available for issuance. The Company is evaluating the impact of the adoption on its financial position, results of operations and related disclosures.

Note 4—Acquisitions

Eclipse Resources Operating, LLC Acquisition

On June 24, 2014, prior to the closing of the IPO, the Company acquired all of the outstanding equity interests of Eclipse Operating for total consideration of $0.1 million. The fair value of the net assets acquired, consisting primarily of cash, accounts receivable, property and equipment, accounts payable and accrued liabilities exceeded the purchase price paid. As a result, the Company recognized a gain of $1.6 million related to the purchase, which is included in other income on the condensed consolidated statements of operations.

Eclipse Resources-Ohio, LLC Acquisition

On June 26, 2013, Eclipse I acquired (the “Oxford Acquisition”) 100% of the outstanding equity interests of Oxford. Oxford held interests in approximately 181,000 net acres of Utica Shale leaseholds, and related producing properties located primarily in Belmont, Guersney, Monroe, Noble, and Harrison Counties in Ohio along with various other related rights, permits, contracts, equipment and other assets. The aggregate purchase price totaled $652.5 million in cash. The acquisition provided strategic additions adjacent to the Company’s core project area.

The Purchase and Sales Agreement (“PSA”) for the Oxford Acquisition contained customary closing conditions and a $32.5 million escrow which was withheld from the initial purchase price to provide for certain contingencies. The notice period for any claims related to these contingencies expired June 25, 2014 and all amounts were released from escrow to the seller. The acquisition is accounted for using the acquisition method under ASC Topic 805, “Business Combinations” which requires the acquired assets and liabilities to be recorded at fair values as of the acquisition date of July 26, 2013. The following table summarizes the purchase price allocation and the values of assets acquired and liabilities assumed (in thousands):

Purchase Price	June 26, 2013
Consideration given
Cash	$	652,500
Allocation of Purchase Price
Unproved properties		621,039
Proved properties		40,914
Cash		653
Building and land		1,500
Total assets		664,106
Asset retirement obligations		(8,378	)
Pension obligation		(2,522	)
Other working capital		(706	)
Fair value of net assets acquired	$	652,500

The purchase price allocation set forth above represented a significant Level 3 measurement in the fair value hierarchy and was derived in accordance with ASC 805 by an outside third party. The inputs used in such determination were forecasted cash flows, market comparisons, actuarial studies and Oxford’s historical accounting records.

Immediately prior to the completion of the Oxford Acquisition, Oxford merged into Eclipse Resources—Ohio, LLC (“Eclipse Ohio”). Eclipse Ohio is party to various lawsuits, primarily related to the validity of certain oil and gas leases (see “Note 12—Commitments and Contingencies”).

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Pro Forma Financial Information (unaudited)

The following unaudited pro forma financial information represents the combined results for the Company and Oxford for the three and nine months ended September 30, 2013 as if the acquisition had occurred on January 1, 2013. The pro forma information includes the effects of adjustments for depreciation, depletion, amortization and accretion expense of $7.0 million, amortization of deferred financing costs of $0.4 million, amortization of debt discount of $0.6 million, and the effects of the incremental interest expense on acquisition financing of $10.3 million for the nine months ended September 30, 2013. The pro forma results do not include any cost savings or other synergies that may result from the acquisition or any estimated costs that have been or will be incurred by the Company to integrate the properties acquired. The pro forma results are not necessarily indicative of what actually would have occurred if the acquisition had been completed as of January 1, 2013, nor are they necessarily indicative of future results (in thousands).

	For the Nine Months Ended September 30, 2013
Oil and natural gas sales	$	13,071
Net loss	$	(40,018	)

Note 5—Derivative Financial Instruments

Commodity derivatives

The Company is exposed to market risk from changes in energy commodity prices within its operations. The Company utilizes derivatives to manage exposure to the variability in expected future cash flows from forecasted sales of natural gas. The Company currently uses a mix of over-the-counter (“OTC”) natural gas fixed price swaps, basis swaps and put options spreads and collars to manage its exposure to natural gas price fluctuations. All of the Company’s derivative instruments are used for risk management purposes and none are held for trading or speculative purposes.

The Company is exposed to credit risk in the event of non-performance by counterparties. The creditworthiness of counterparties is subject to continuing review. The Company has not experienced any issues of non-performance by derivative counterparties.

Below is summary of the Company’s derivative instrument positions, as of September 30, 2014, for future production periods:

Description	Volume (MMBtu/d)		Production Period	Weighted Average Price ($/MMBtu)
Natural Gas Swaps:
		30,000	October 2014—December 2014	$	4.121
		26,219	January 2015—December 2015	$	4.071
Natural Gas Put Spread:
Purchased put		20,000	October 2014—December 2014	$	4.50
Sold put		20,000	October 2014—December 2014	$	4.00
Natural Gas Put Sale:
Put sold		16,800	January 2015—December 2015	$	3.350
Natural Gas Collar:
Purchased put		5,000	October 2014—March 2015	$	4.000
Call sold		5,000	October 2014—March 2015	$	4.750
Basis Swaps:
		25,000	November 2014—March 2015	$	(1.067	)
		25,000	April 2015—October 2015	$	(1.208	)

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Fair values and gains (losses)

The following table summarizes the fair value of the Company’s derivative instruments on a gross basis and on a net basis as presented in the condensed consolidated balance sheets (in thousands):

Derivatives not designated as hedging instruments under ASC 815	Gross Amount			Netting Adjustments(a)			Net Amount Presented in the Balance Sheets		Balance Sheet Location
As of September 30, 2014
Assets
Commodity derivatives—current	$	3,542		$	(1,462	)	$	2,080	Other current assets
Commodity derivatives—noncurrent		409			(184	)		225	Other assets
Total assets	$	3,951		$	(1,646	)	$	2,305
Liabilities
Commodity derivatives—current	$	(1,462	)	$	1,462		$	—
Commodity derivatives—noncurrent		(184	)		184			—
Total liabilities	$	(1,646	)	$	1,646		$	—

(a) The Company has agreements in place that allow for the financial right to offset for derivative assets and derivative liabilities at settlement or in the event of a default under the agreements.

At December 31, 2013, the Company did not have any derivative instruments in place.

The following table presents the Company’s reported gains and losses on derivative instruments for the periods presented (in thousands):

		Amount of Gain (Loss) Recognized in Income
Derivatives not designated as hedging instruments under ASC 815	Location of Gain (Loss) Recognized in Income	Three Months Ended September 30,				Nine Months Ended September 30,
		2014		2013		2014		2013
Commodity derivatives	Gain on derivative instruments	$	5,572	$	—	$	1,098	$	—

Note 6—Fair Value Measurements

Fair Value Measurement on a Recurring Basis

The following table presents, by level within the fair value hierarchy, the Company’s assets and liabilities that are measured at fair value on a recurring basis. The carrying amounts reported in the condensed consolidated balance sheets for cash and cash equivalents, accounts receivable, and accounts payable approximate fair value due to the nature of the instrument and/or the short-term maturity of these instruments.

The fair value of the Company’s derivatives is based on third-party pricing models which utilize inputs that are readily available in the public market, such as natural gas forward curves. These values are compared to the values given by counterparties for reasonableness. Since natural gas swaps do not include optionality and therefore generally have no unobservable inputs, they are classified as Level 2.

	Level 1		Level 2		Level 3		Total Fair Value
As of September 30, 2014: (in thousands)
Commodity derivative instruments	$	—	$	2,305	$	—	$	2,305
Total	$	—	$	2,305	$	—	$	2,305

The Company did not have any assets or liabilities that were measured at fair value on a recurring basis as of December 31, 2013.

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Nonfinancial Assets and Liabilities

Assets and liabilities acquired in business combinations are recorded at their fair value on the date of acquisition. Significant Level 3 assumptions associated with the calculation of future cash flows used in the analysis of fair value of the oil and natural gas property acquired include the Company’s estimate of future commodity prices, production costs, development expenditures, production, risk-adjusted discount rates, and other relevant data. Additionally, fair value is used to determine the inception value of the Company’s AROs. The inputs used to determine such fair value are primarily based upon costs incurred historically for similar work, as well as estimates from independent third parties for costs that would be incurred to restore leased property to the contractually stipulated condition. Additions to the Company’s ARO represent a nonrecurring Level 3 measurement.

The Company reviews its proved oil and natural gas properties for impairment purposes by comparing the expected undiscounted future cash flows at a producing field level to the unamortized capitalized cost of the asset. Significant assumptions associated with the calculation of future cash flows used in the impairment analysis include the estimate of future commodity prices, production costs, development expenditures, production, risk-adjusted discount rates and other relevant data. As such, the fair value of oil and natural gas properties used in estimating impairment represents a nonrecurring Level 3 measurement.

The estimated fair values of the Company’s financial instruments closely approximate the carrying amounts due, except for long-term debt. (see “Note 7—Debt”)

Note 7—Debt

12% Senior Unsecured PIK Notes Due 2018

On June 26, 2013, Eclipse I completed a private placement offering of an initial aggregate principal amount of $300 million, with an additional $100 million notes option, at the discretion of Eclipse I, of 12% Senior Unsecured PIK Notes due in 2018 (the “Senior Unsecured Notes”). The Senior Unsecured Notes were issued at 96% of par and Eclipse I received $280.7 million of net cash proceeds, after deducting the discount to initial purchasers of $12 million and offering expenses of $7.3 million. In December 2013, Eclipse I exercised its option and issued an additional $100 million of Senior Unsecured Notes with the same terms, at par. Eclipse I received $100 million net cash proceeds, as no discounts and $0.2 million of offering expenses were incurred in connection with the exercise of the option. During the three and nine months ended September 30, 2014, the Company amortized $1.0 million and $3.0 million, respectively, of deferred financing costs and debt discount to interest expense using the effective interest method.

The Company has the right to redeem all or a portion of the Senior Unsecured Notes prior to the 2-year anniversary of the final funding date, which the Company refers to as the Non-Call Period, by paying a redemption price equal to 100.0% times a “make whole premium” equal to the greater of 106.0% or an amount computed under the Indenture governing the Senior Unsecured Notes (the “Indenture”) plus accrued and unpaid interest. After the Non-Call Period, the Company may redeem all or a part of the Senior Unsecured Notes at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest:

Year following expiration of the Non-Call Period	Redemption Price
Year 1		106.00	%
Year 2		103.00	%
Year 3 and thereafter		100.00	%

At the Company’s option, for the first 2 semi-annual interest payments following the issue date, interest may be payable by increasing the principal amount of the Senior Unsecured Notes or by issuing payment in kind (“PIK”) securities. At the Company’s option, for the subsequent four semi-annual interest payments thereafter, interest may be payable in the form of 6.0% per annum in cash and 7.0% per annum in PIK securities. Thereafter, interest can only be paid as cash interest. Interest is payable on July 15 and January 15 each year, beginning in January 2014. Interest paid by issuing PIK securities accrues at 13%, interest paid by cash accrues at 12%. The Company elected to settle its accrued interest payable on January 15, 2014 by issuing PIK securities of $22.5 million and settle its accrued interest payable on July 15, 2014 with a cash payment of $25.3 million. As of September 30, 2014, the Company had accrued additional interest in the amount of $10.6 million. The Company capitalized interest expense totaling $3.7 million and $6.3 million for the three and nine months ended September 30, 2014, respectively.

The Company’s obligations under the Senior Unsecured Notes are guaranteed by its 100% owned subsidiaries. The Company may not among other things, directly or indirectly: (1) consolidate or merge with or into another Person (whether or not the Company is the survivor), or (2) sell, assign, transfer, convey, lease or otherwise dispose of all or more than 50% of its properties or assets, in one or more related transactions, to another Person, unless in each case certain restrictive conditions contained in the Indenture are met.

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The Indenture requires the Company to be in compliance with certain other covenants, including the prompt payment of interest, including PIK interest, and any and all material taxes, assessments and government levies imposed; timely submission of quarterly and audited annual financial statements, reserve reports, budgets and other notices, and other recurring obligations. The Indenture places restrictions on the Company and its subsidiaries with respect to additional indebtedness, liens, dividends and other payments, investments, acquisitions, mergers, asset dispositions, transactions with affiliates, change of control and other matters. The Company was in compliance with all applicable covenants in the Indenture at September 30, 2014.

The Senior Unsecured Notes are subject to certain events of default. If an event of default occurs and is continuing, the outstanding Senior Notes may, and under certain circumstances, will be accelerated. The purchasers of the Senior Notes are entitled to the benefits of a registration rights agreement pursuant to which the Company agreed to file a registration statement with the Securities and Exchange Commission to allow for the resale of the Notes under the Securities Act.

As of September 30, 2014, the principal amount outstanding related to the Senior Unsecured Notes was $422.5 million. The fair value of the Senior Unsecured notes as of September 30, 2014 was $484.0 million. This fair value estimate is classified as Level 2 in the fair value hierarchy. The valuation techniques used are industry-standard models that consider various assumptions, including quoted forward rates, time value, volatility factors and current market and contractual rates, as well as other relevant economic measures. Substantially all of the assumptions are observable in the marketplace throughout the full term of the instrument, can be derived from observable data, or are supported by observable levels at which transactions are executed in the marketplace.

Revolving Credit Facility

During the first quarter of 2014, the Company entered into a $500 million senior secured revolving bank credit facility (the “Revolving Credit Facility”) that matures in 2018. Borrowings under the Revolving Credit Facility are subject to borrowing base limitations based on the collateral value of the Company’s proved properties and commodity hedge positions and are subject to quarterly redeterminations through April 1, 2015 and semiannual redeterminations thereafter. At September 30, 2014, the borrowing base was $100 million and the Company had no outstanding borrowings. After considering outstanding letters of credit issued by the Company, totaling $25 million, the Company had available capacity on the Revolving Credit Facility of $75 million at September 30, 2014.

The Revolving Credit Facility is secured by mortgages on substantially all of the Company’s properties and guarantees from the Company’s operating subsidiaries. The Revolving Credit Facility contains certain covenants, including restrictions on indebtedness and dividends, and requirements with respect to working capital and interest coverage ratios. Interest is payable at a variable rate based on LIBOR or the prime rate based on the Company’s election at the time of borrowing. The Company was in compliance with all applicable covenants under the Revolving Credit Facility as of September 30, 2014. Commitment fees on the unused portion of the Revolving Credit Facility are due quarterly at rates ranging from 0.375% to 0.50% of the unused facility based on utilization.

Note 8—Benefit Plans

The following table details the components of pension benefit cost: (in thousands)

	Three Months Ended September 30,					Nine Months Ended September 30,
	2014			2013		2014			2013
Service cost	$	—		$	—	$	70		$	—
Interest cost		71			—		263			—
Expected return on plan assets		(112	)		—		(336	)		—
Amortization of transition obligations		—			—		70			—
Amortization of net loss		(1	)		—		2			—
Net benefit cost	$	(42	)	$	—	$	69		$	—

There were no employer contributions made during the nine months ended September 30, 2014. As of March 31, 2014, benefit accruals in the plan were frozen resulting in a gain on reduction of pension liability of $0.0 and $2.2 million for the three and nine months ended September 30, 2014, respectively. No such gain was recorded for the three and nine months ended September 30, 2013.

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Note 9—Equity

Eclipse Holdings has a total of 1,000 Class C-1 units and 1,000 Class C-2 units authorized to be issued to employees (“Incentive Units”). The Series C-1 and C-2 Incentive Units are non-voting with respect to partnership matters, and the holder thereof will begin to participate in distributions from Eclipse Holdings after distributions have been made to the holders of the Series A-1 and A-2 units that satisfy a specified hurdle rate and return on investment factor, with the level of participation in distributions adjusting upwards as distributions to the holders of the Series A-1 and A-2 units satisfy additional specified hurdle rates and return on investment factors.

Total compensation expense related to the Incentive Units was less than $0.1 million as of September 30, 2014.

Note 10—Earnings (Loss) Per Share and Pro Forma Earnings (Loss) Per Share

Earnings Per Share

Basic earnings (loss) per share (“EPS”) is computed by dividing net income (loss) by the weighted-average number of shares of common stock outstanding during the period. Diluted EPS takes into account the dilutive effect of potential common stock that could be issued by the Company in conjunction with any stock awards that have been granted to directors and employees. In accordance with FASB ASC Topic 260, awards of non-vested shares shall be considered to be outstanding as of the grant date for purposes of computing diluted EPS even though their exercise is contingent upon vesting. The following is a calculation of the basic and diluted weighted-average number of shares of common stock outstanding and EPS for the nine months ended September 30, 2014.

(in thousands, except per share data)	Three Months Ended September 30, 2014			Nine Months Ended September 30, 2014
Loss (numerator):
Net loss	$	(19,054	)	$	(150,153	)
Weighted-average shares (denominator):
Weighted-average number of shares of common stock—basic and diluted		160,000			139,102
Loss per share:
Basic and diluted	$	(0.12	)	$	(1.08	)

Pro Forma EPS

The Company’s pro forma basic earnings per share amounts have been computed based on the weighted-average number of shares of common stock outstanding for the period, as if the common shares issued in the IPO were outstanding for the entire period. A reconciliation of the components of pro forma basic and diluted earnings per common share is presented in the table below:

	Three Months Ended September 30, 2014			Nine Months Ended September 30, 2014
Numerator:
Loss before taxes, as reported	$	(29,598	)	$	(66,156	)
Pro forma provision for income tax benefit		10,359			23,155
Pro forma net loss	$	(19,239	)	$	(43,001	)
Denominator:
Weighted-average number of common shares outstanding—basic and diluted		160,000			160,000
Net income per share:
Basic and diluted	$	(0.12	)	$	(0.27	)

Note 11—Related Party Transactions

In December 2010, Eclipse Operating was formed by members of the Company’s management team for purposes of operating Eclipse I. The Company’s Chairman, President and Chief Executive Officer, Executive Vice President, Secretary and General Counsel and Executive Vice President and Chief Operating Officer each owned 33% of the membership units of Eclipse Operating. Eclipse Operating provides administrative and management services to Eclipse I under the terms of an Administrative Services Agreement. In

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connection with the Corporate Reorganization, Eclipse I acquired of all the outstanding equity interests of Eclipse Operating for $0.1 million, which is the amount of the aggregate capital contributions made to Eclipse Operating by its members. As a result, Eclipse Operating became a wholly owned subsidiary of Eclipse I.

Under the terms of the Administrative Services Agreement, Eclipse I paid Eclipse Operating a monthly management fee equal to the sum of all general and administrative expenditures incurred in the management and administration of Eclipse I’s operations. These costs included salaries, wages and benefits, rent, insurance, and other expenses and costs required to operate Eclipse I. These expenses were billed in arrears at the actual cost to Eclipse Operating.

During the period from January 1, 2014 to June 23, 2014 the Company’s management fee to Eclipse Operating was $15.6 million. The Company’s management fee to Eclipse Operating was $3.8 million and $8.4 million for the three and nine months ending September 30, 2013, respectively. These expenses are classified within “Operating expenses—General and administrative” in the condensed consolidated statements of operations.

Note 12—Commitments and Contingencies

(a) Legal Matters

The West appeal

Prior to the Oxford Acquisition, Oxford commenced a lawsuit on October 24, 2011 in the Common Pleas Court of Belmont County, Ohio against Mr. Barry West, a lessor under an Oxford oil and gas lease, to enforce its rights to access and drill a well pursuant to the lease during its initial 5-year primary term. The lessor counterclaimed, alleging, among other things, that the challenged Oxford lease constituted a lease in perpetuity and, accordingly, should be deemed void and contrary to public policy in the State of Ohio. On October 4, 2013, the Belmont County trial court granted a motion for summary judgment in favor of the lessor and ruled that the lease is a “no term” perpetual lease and, as such, is void as a matter of Ohio law.

The Company has appealed the trial court’s decision in the West case to the Ohio Court of Appeals for the Seventh Appellate District, arguing, among other things, that the Belmont County trial court erred in finding that the lease is a “no term” perpetual lease, by ruling that perpetual leases are void as a matter of Ohio law and by invalidating such leases. The Company cannot predict the outcome of this lawsuit or the amount of time and expense that will be required to resolve the lawsuit.

In addition, many of the Company’s other oil and gas leases in Ohio contain provisions identical or similar to those found in the challenged Oxford lease. Following the ruling of the trial court in the West case, three other lessors filed lawsuits, or amended existing complaints in pending lawsuits, that remain outstanding against the Company to make allegations similar to those made by the lessor West lawsuit. These three lawsuits, together with the West case, affect approximately 230 gross (230 net) leasehold acres and were capitalized on our balance sheet as of September 30, 2014 at $1.7 million.

The Company has undertaken efforts to amend the other leases acquired within the Utica Core Area in the Oxford Acquisition to address the issues raised by the trial court’s ruling in the West case. These efforts have resulted in modifications to leases covering approximately 31,040 net acres out of the approximately 46,549 net acres. The Company’s offer may require modification to address the issues raised by the trial court while the Company’s appeal is pending; however, the Company cannot predict whether the Company will be able to obtain modifications of the leases covering the remaining 15,509 net acres to effectively resolve issues related to the West trial court’s ruling or the amount of time and expense that will be required to amend these leases.

In light of the foregoing, if the appeals court affirms the trial court ruling in the West case, and if other courts in Ohio adopt a similar interpretation of the provisions in other oil and gas leases the Company acquired in the Oxford Acquisition, other lessors may challenge the validity of such leases and those challenged leases may be declared void. Consequently, this could result in a loss of the mineral rights and an impairment of the related assets which could have a material adverse impact on the Company’s financial statements. These costs could potentially be impaired if it was determined that the West lawsuit leases are invalid. Other than this potential impairment, the Company is not able to estimate the range of other potential losses related to this matter.

On September 26, 2014, the Ohio Court of Appeals for the Seventh Appellate District, the same appellate court that will decide the Company’s appeal in the West case, issued its decision in the case of Clyde Hupp et al. v. Beck Energy Corporation, an appeal of a Monroe County trial court decision upon which the trial court in West based its decision. The appellate court held that while Ohio law disfavors perpetual leases, courts in Ohio have not found them to be per se illegal or void from their inception. The appellate court further held that the trial court misinterpreted both the pertinent lease provisions and Ohio law on the subject and erred in concluding that the Beck Energy lease is a no-term, perpetual lease that is void ab initio as against public policy. On November 7, 2014, the plaintiff landowners filed an appeal of the appellate court’s decision with the Supreme Court of Ohio. We are unable to determine at this time whether the Supreme Court of the State of Ohio will agree to accept the appeal.

The Company believes that there are strong grounds for appeal of the West decision, and therefore, the Company intends to pursue all available appellate rights, and to vigorously defend against the claims in this lawsuit. Based on the merits of the Company’s appeal and the favorable holdings in the Hupp v. Beck Energy appellate decision described above, the Company believes

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that it is not probable that trial court’s decision in West will be upheld in the appeal or that the Company will incur a material loss in the lawsuit. The Company has not recorded an accrual for the potential losses attributable to this lawsuit.

Other Matters

From time to time, the Company may be a party to legal proceedings arising in the ordinary course of business. Management does not believe that a material loss is probable as a result of such proceedings.

(b) Environmental Matters

The Company is subject to numerous laws and regulations governing the discharge of materials into the environment or otherwise relating to environmental protection. To the extent laws are enacted or other governmental action is taken that restricts drilling or imposes environmental protection requirements that result in increased costs to the oil and natural gas industry in general, the business and prospects of the Company could be adversely affected.

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(c) Leases

The development of the Company’s oil and natural gas properties under their related leases will require a significant amount of capital. The timing of those expenditures will be determined by the lease provisions, the term of the lease and other factors associated with unproved leasehold acreage. To the extent that the Company is not the operator of oil and natural gas properties that it owns an interest in, the timing, and to some degree the amount, of capital expenditures will be controlled by the operator of such properties.

The Company leases office space under operating leases that expire between the years 2015 - 2018. Rent expense related to the lease agreements for the three months ended September 30, 2014 and 2013 was $0.1 million and $0.0 million, respectively; and for the nine months ended September 30, 2014 and 2013 was $0.2 million and $0.0 million, respectively.

Note 13—Income Tax

For 2014, the Company’s annual estimated effective tax rate is expected to be a benefit of approximately 34.8%, exclusive of the “Change in Tax Status” charge (see “Note 3—Summary of Significant Accounting Policies”) and a discrete item related to the gain on acquisition of Eclipse Operating (see “Note 4—Acquisitions”). The Company expects to incur a tax loss in fiscal year 2014 (due principally to the ability to expense certain intangible drilling and development costs under current law) and thus, no current income taxes are anticipated to be paid. This tax loss is expected to result in a Net Operating Loss carryforward at year-end; however, no valuation allowance has been (or is expected to be) recorded as management believes that there is sufficient future taxable income to fully utilize all tax attributes. This future taxable income arises from reversing temporary differences due to the excess of the book carrying value of oil and gas properties over their corresponding tax bases. Management is not relying on other sources of taxable income in concluding that no valuation allowance is needed.

As of September 30, 2014, the Company has not recorded a reserve for any uncertain tax positions.

Note 14—Subsequent Events

Management has evaluated subsequent events and believes that there are no events that would have a material impact on the aforementioned financial statements and related disclosures.

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

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with “Management’s Discussion and Analysis of Financial Condition and Results of Operations” contained in our IPO Prospectus, and our consolidated financial statements and related notes appearing elsewhere in this Quarterly Report. The following discussion contains “forward-looking statements” that reflect our future plans, estimates, beliefs and expected performance. We caution that assumptions, expectations, projections, intentions, or beliefs about future events may, and often do, vary from actual results and the differences can be material. See “Cautionary Statement Regarding Forward-Looking Statements.” Also, see the risk factors and other cautionary statements described under the heading “Risk Factors” included in the IPO Prospectus and in Item IA of this Quarterly Report. We do not undertake any obligation to publicly update any forward-looking statements except as otherwise required by applicable law.

On June 24, 2014, prior to the closing of our initial public offering (“IPO”) we completed our Corporate Reorganization, as described under “Note 1—Organization and Nature of Operations”. As such, information presented in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” for the period from January 1, 2014 through June 23, 2014, as contained within the three and nine months ended September 30, 2014, and for the three and nine months ended September 30, 2013, pertain to the historical financial statements and results of operations of Eclipse I, our accounting predecessor.

Overview of Our Business

We are an independent exploration and production company engaged in the acquisition and development of oil and natural gas properties in the Appalachian Basin. We are focused on creating stockholder value by developing our substantial inventory of horizontal drilling locations, continuing to opportunistically add to our acreage position where we can acquire assets at attractive prices and leveraging our technical and managerial expertise to deliver industry-leading results.

Approximately 99,481 of our net acres are located in the Utica Shale fairway, which we refer to as the Utica Core Area, and approximately 27,656 of these net acres are in the Marcellus Shale in Eastern Ohio within what we refer to as Our Marcellus Project Area. We are the operator of approximately 85% of our net acreage within the Utica Core Area and Our Marcellus Project Area. We began assembling our acreage position in 2011 based upon an analytical evaluation of the shale properties within the Utica and Point Pleasant formations across Eastern Ohio. We initially targeted and acquired approximately 27,000 net acres in the Utica Core Area in 2011 through a combination of leasing and largely contiguous acreage acquisitions. In 2012, we entered into an agreement with Antero Resources Corporation (“Antero Resources”) to form an area of mutual interest covering approximately 43,600 gross acres predominately in Noble County, Ohio, which Antero Resources operates. Pursuant to our agreement, during a three-year term, we and Antero Resources have the option to purchase an interest in any acquisitions of oil and gas interests the other completes within the area of mutual interest. If the non-acquiring party elects to participate, we will own an undivided 30% interest and Antero Resources will own an undivided 70% interest in such acquired oil and gas interests. In June 2013, we acquired Oxford, which held approximately 180,000 net acres in Ohio, including approximately 49,000 net acres in the Utica Core Area and approximately 1,289 gross proved producing conventional wells.

Since entering the Utica Shale play in May 2011, through September 30, 2014, we, or our operating partners, had commenced drilling 151 gross (59.1 net) wells within the Utica Core Area and Our Marcellus Project Area, of which 22 gross (11.3 net) were drilling, 32 gross (14.6 net) were awaiting completion, 16 gross (8.7 net) were in the process of being completed, 12 gross (2.4 net) were awaiting midstream and 69 gross (22.1 net) had been turned to sales.

As of September 30, 2014, we were operating 3 horizontal rigs in the Utica Core Area. We frequently utilize top-hole rigs ahead of our horizontal rigs to drill the vertical portion of our wells in order to maximize the drilling efficiency of our larger horizontal drilling rigs and reduce overall costs.

For the three months ended September 30, 2014, we were producing approximately 85.8 net MMcfe per day comprised of approximately 78% natural gas, 9% NGLs and 13% oil.

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Total proved reserves as of September 30, 2014 were 245.5 Bcfe, or 40.9 MMBoe, and our proved developed reserves totaled 112.1 Bcfe, or 18.7 MMBoe. Our pre-tax PV 10 as of September 30, 2014 totaled $401.2 million using SEC pricing assumptions. Additionally, our estimated proved reserves were approximately 75% natural gas, 14% NGLs and 11% oil, as of September 30, 2014. Our reserve estimates at September 30, 2014 were prepared by Netherland, Sewell & Associates, Inc., our independent petroleum engineers.

Pre-tax PV10 value is a non-GAAP financial measure as defined by the SEC. The Company believes that the presentation of pre-tax PV10 value is relevant and useful to the Company’s investors because it presents the discounted future net cash flows attributable to the Company’s reserves prior to taking into account future corporate income taxes and the Company’s current tax structure. We further believe investors and creditors use pre-tax PV10 value as a basis for comparison of the relative size and value of the Company’s reserves as compared with other companies. With respect to PV10 calculated as of an interim date, it is not practical to calculate the taxes for the related interim period because GAAP does not provide for disclosure of standardized measure on an interim basis.

Factors That Significantly Affect Our Financial Condition and Results of Operations

We derive substantially all of our revenues from the production and sale of natural gas, NGLs, which are extracted from our natural gas during processing, and oil. During the nine months ended September 30, 2014, our revenues were comprised of approximately 47.2%, 13.8% and 39.0% from the production and sale of natural gas, NGLs and oil, respectively. Our revenues, cash flow from operations and future growth depend substantially on factors beyond our control, such as economic, political and regulatory developments and competition from other sources of energy. Natural gas, NGLs and oil prices have historically been volatile and may fluctuate widely in the future due to a variety of factors, including, but not limited to, prevailing economic conditions, supply and demand of hydrocarbons in the marketplace and geopolitical events such as wars or natural disasters. Sustained periods of low prices for these commodities would materially and adversely affect our financial condition, our results of operations, the quantities of natural gas, NGLs and oil that we can economically produce and our ability to access capital.

In January 2014, we began using commodity derivative instruments to manage and reduce price volatility and other market risks associated with our production. These arrangements are structured to reduce our exposure to commodity price decreases, but they can also limit the benefit we might otherwise receive from commodity price increases. Our risk management activity is generally accomplished through over-the-counter commodity derivative contracts with large financial institutions. We currently use a mix of natural gas fixed price swaps, basis swaps and put option spreads and collars. Swaps are settled monthly based on differences between the fixed price specified in the contract and the referenced settlement price. When the referenced settlement price is less than the price specified in the contract, we receive a settlement from the counterparty based on the price difference multiplied by the volume. Similarly, when the referenced settlement price exceeds the price specified in the contract, we pay the counterparty an amount based on the price difference multiplied by the volume. A put option spread is the combination of a purchased put and a sold put. The purchased put establishes the minimum price that we will receive for the contracted volumes unless the referenced price falls below the sold put strike price, at which point the minimum price equals the reference price plus the excess of the purchased put strike price over the sold put strike price. Collars establish a minimum floor price and a predetermined ceiling price. The prices contained in these derivative contracts are based on NYMEX Henry Hub prices. The NYMEX Henry Hub price of natural gas is a widely used benchmark for the pricing of natural gas in the United States. The actual prices realized from the sale of natural gas differ from the quoted NYMEX Henry Hub price as a result of location differentials. Location differentials to NYMEX Henry Hub prices, also known as basis differential, result from variances in regional natural gas prices compared to NYMEX Henry Hub prices as a result of regional supply and demand factors. Historically, we have not hedged basis differentials associated with our natural gas production, although we may elect to do so in the future. We have elected not to designate our current portfolio of commodity derivative contracts as hedges for accounting purposes. Therefore, changes in fair value of these derivative instruments are recognized in earnings in the period of change. Please read Item 3. “Quantitative and Qualitative Disclosures About Market Risk” for additional discussion of our commodity derivative contracts.

Like other businesses engaged in the exploration and production of oil and natural gas, we face the challenge of natural production declines. As initial reservoir pressures are depleted, oil and natural gas production from a given well naturally decreases. Thus, an exploration and production company depletes part of its asset base with each unit of reserves it produces. We attempt to overcome this natural decline by drilling to find additional reserves and acquiring more reserves than we produce. Our future growth will depend on our ability to enhance production levels from our existing reserves and to continue to add reserves in excess of production in a cost effective manner. Our ability to make capital expenditures to increase production from our existing reserves and to add reserves through drilling is dependent on our capital resources and can be limited by many factors, including our ability to access capital in a cost effective manner and to timely obtain drilling permits and regulatory approvals.

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Our financial condition and results of operations, including the growth of production, cash flows and reserves, are driven by several factors, including:

• success in drilling new wells;

• natural gas, NGLs and oil prices;

• the availability of attractive acquisition opportunities and our ability to execute them;

• the amount of capital we invest in the leasing and development of our properties;

• facility or equipment availability and unexpected downtime;

• delays imposed by or resulting from compliance with regulatory requirements; and

• the rate at which production volumes on our wells naturally decline.

Factors That Significantly Affect Comparability of Our Financial Condition and Results of Operations

Our historical financial condition and results of operations for the periods presented may not be comparable, either from period to period or going forward, for the following reasons:

Public Company Expenses. As a result of our IPO, we will continue to incur direct incremental general and administrative (“G&A”) expenses as a result of being a publicly traded company, including, but not limited to, costs associated with annual and quarterly reports and our other filings with the SEC, tax return preparation, independent auditor fees, investor relations activities, registrar and transfer agent fees, incremental director and officer liability insurance costs and independent director compensation.

Corporate Reorganization. Information presented in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” for the period from January 1, 2014 through June 23, 2014, as contained within the three and nine months ended September 30, 2014, and for the three and nine months ended September 30, 2013, pertain to the historical financial statements and results of operations of Eclipse I, our accounting predecessor. As a result, the historical financial data may not give you an accurate indication of what our actual results would have been had the Corporate Reorganization been completed at the beginning of the periods presented or of what our future results of operations are likely to be.

The Oxford Acquisition. Eclipse I, our predecessor, acquired Oxford on June 26, 2013. As such, the results of Oxford’s operations prior to such date are not included in the historical financial statements. Accordingly, our historical financial data may not present an accurate indication of what our actual results would have been if the Oxford Acquisition had been completed at the beginning of the periods presented or of what our future results of operations are likely to be.

Income Taxes. The Company recognized income tax expense (benefit) of approximately $(10.5) million and $84.0 million for the three and nine months ended September 30, 2014, respectively. We were not a tax paying entity during the corresponding periods of fiscal year 2013 and therefore, no income tax expense (benefit) was recorded by us during such periods. Income tax expense (benefit) for the three and nine months ended September 30, 2014 is made up of two elements: (i) the Change in Tax Status charge, and (ii) income tax expense (benefit) from continuing operations.

With the consummation of our Corporate Reorganization on June 24, 2014 prior to our IPO, we became a tax paying entity, and as such, were required to record a charge against income equal to the estimated tax effect of the excess of the book carrying value of our net assets (primarily producing oil and gas properties) over their collective estimated tax bases as of the closing date of the Corporate Reorganization. As a result, we recorded a tax expense (benefit) of approximately $94.4 million.

For the three and nine months ended September 30, 2014, we had an income tax expense (benefit) from continuing operations of $(10.5) million and $(10.4) million, respectively. This represents an application of our estimated annual effective tax rate (including state income taxes) for 2014 to our income subject to corporate tax earned from the Corporate Reorganization date through September 30, 2014. Please see “Note 13—Income Tax” located in the Notes to the Condensed Consolidated Financial Statements included in Item 1 of Part I of this Quarterly Report on Form 10-Q.

Increased Horizontal Drilling Activity. We began horizontal, unconventional drilling operations in 2012, and through September 30, 2014, we, or our operating partners, had commenced drilling 151 gross (59.1 net) wells. We expect to drill or participate in 186 gross 74.7 horizontal wells by the end of 2014. Our current and future drilling activity is substantially weighted towards the development of our Utica and Marcellus Shale acreage using horizontal wells. The costs and production associated with the wells we expect to drill in the Utica and Marcellus Shale will differ substantially from the vertical conventional wells historically drilled.

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Financing Arrangements. As of September 30, 2014, we had outstanding indebtedness of $422.5 million. In June 2013, we issued $300.0 million in aggregate principle amount of 12.0% senior unsecured PIK notes due 2018, which we refer to as our Senior Unsecured Notes. In December 2013, we issued an additional $100.0 million of Senior Unsecured Notes at par. The Company elected to settle its accrued interest payable on January 15, 2014 by issuing PIK securities of $22.5 million.

Cumulative net proceeds from our Senior Unsecured Notes of $380.7 million, after offering fees and expenses, were used along with contributions from private equity funds managed by EnCap and investment funds controlled by certain members of our management team to acquire Oxford and to continue to develop our acreage in the Utica Core Area and in Our Marcellus Project Area.

On February 18, 2014, we entered into a $500.0 million senior secured revolving credit facility, which we refer to as our Revolving Credit Facility. Our Revolving Credit Facility matures on January 15, 2018 and includes customary affirmative and negative covenants. The initial borrowing base under our Revolving Credit Facility was $50.0 million, and as of May 1, 2014, our borrowing base was increased to $100.0 million. The Company had no outstanding borrowings under the Revolving Credit Facility as of September 30, 2014.

Prior to our Corporate Reorganization, our capital expenditures were financed with capital contributions from private equity funds managed by EnCap and investment funds controlled by certain members of our management team, net proceeds from the issuance of our Senior Unsecured Notes and net cash provided by operating activities. In the future, we may incur additional indebtedness to fund our acquisition and development activities. Please read “Credit Arrangements” for additional discussion of our financing arrangements.

Source of Our Revenues

Our historical revenues are derived from the sale of natural gas, NGLs and oil, and do not include the effects of derivatives. Revenues from product sales are a function of the volumes produced, prevailing market prices, product quality, gas Btu content and transportation costs. We generally sell production at a specific delivery point, pay transportation costs to a third party and receive proceeds from the purchaser with no transportation deduction. We record transportation costs as transportation, gathering and compression expense. Our revenues may vary significantly from period to period as a result of changes in volumes of production sold or changes in commodity prices.

Principal Components of Our Cost Structure

• Lease operating. These are day-to-day costs incurred to bring hydrocarbons out of the ground along with the daily costs incurred to maintain our producing properties. Such costs include compensation of our field employees, maintenance, repairs and workovers expenses related to our natural gas and oil properties. These costs are expected to remain a function of supply and demand.

• Transportation, gathering and compression. Under some of our sales arrangements, we sell natural gas at a specific delivery point, pay transportation, gathering and compression costs to a third party and receive proceeds from the purchaser with no deduction. These costs represent those transportation, gathering and compression costs paid by us to third parties. Additionally, we plan to enter multiple firm transportation contracts that secure takeaway capacity that includes minimum volume commitments, the cost of which is included in these expenses.

• Production and ad valorem taxes. Production taxes are paid on produced natural gas and oil based on a percentage of market prices or at fixed rates established by the applicable federal, state or local taxing authorities. Ad valorem taxes are generally based on reserve values at the end of each year.

• Depreciation, depletion and amortization. This includes the expensing of the capitalized costs incurred to acquire, explore and develop natural gas, NGLs and oil. As a successful efforts company, we capitalize all costs associated with our acquisition and development efforts and all successful exploration efforts, and apportion these costs to each unit of production through depreciation, depletion and amortization expense.

• Exploration. These are geological and geophysical costs, seismic costs, delay rentals and the costs of unsuccessful exploratory dry holes. This category also includes unproved property impairment and expenses associated with lease expirations.

• General and administrative. These costs include overhead, including payroll and benefits for our corporate staff, costs of maintaining our headquarters, costs of managing our production and development operations, franchise taxes, audit and other professional fees and legal compliance. Included in this category are any overhead expense reimbursements we receive from working interest owners of properties, for which we serve as the operator. These reimbursements are received during both the drilling and operational stages of a property’s life.

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• Impairment of oil and gas properties. Properties are evaluated for impairment when circumstances indicate that the carrying value of an asset could exceed its fair value. When the carrying value exceeds the sum of the future undiscounted cash flows, an impairment loss is recognized for the difference between the fair market value and carrying value of the asset.

• Accretion expense. This expense includes the monthly accretion of the future abandonment costs of tangible assets such as wells, service assets, pipelines and other facilities.

• Gain (loss) on derivative instruments. We utilize commodity derivative contracts to reduce our exposure to fluctuations in the price of gas. None of our derivative contracts are designated as hedges for accounting purposes. Consequently, our derivative contracts are marked-to-market each quarter with changes in fair value recognized currently as a gain or loss in our results of operations. The amount of future gain or loss recognized on derivative instruments is dependent upon future gas prices, which will affect the value of the contracts. Cash flow is only impacted to the extent the actual settlements under the contracts result in making a payment to or receiving a payment from the counterparty. In addition to gains and losses recognized from changes in fair value of the derivative instruments, gain (loss) on derivative instruments includes actual amounts realized from settlement of derivative instruments upon expiration.

• Interest expense. We have historically financed a portion of our cash requirements with proceeds from fixed-rate Senior Unsecured Notes and Revolving Credit Facility. As a result, we incur interest expense that is affected by our financing decisions. We capitalize interest on expenditures for significant exploration and development projects while activities are in progress to bring the assets to their intended use. Upon completion of construction of the asset, the associated capitalized interest costs are included within our asset base and depleted accordingly.

How We Evaluate Our Operations

In evaluating our current and future financial results, we expect to focus on production and revenue growth, lease operating expense, general and administrative expense (both before and after non-cash stock compensation expense) and operating margin per unit of production. In addition to these metrics, we will use Adjusted EBITDAX, a non-GAAP measure, to evaluate our financial results. We define Adjusted EBITDAX as net income (loss) before interest expense or interest income; income taxes; write-down of abandoned leases; impairments; depreciation, depletion and amortization; amortization of deferred financing costs; gain (loss) on derivative instruments, net cash receipts (payments on settled derivative instruments, and premiums (paid) received on options that settled during the period); non-cash compensation expense; gain or loss from sale of interest in gas properties; and exploration expenses. Adjusted EBITDAX is not a measure of net income as determined by generally accepted accounting principles in the United States (“U.S. GAAP”).

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In addition to the operating metrics above, as we grow our reserve base, we will assess our capital spending by calculating our operated proved developed reserves and our operated proved developed finding costs and development costs. We believe that operated proved developed finding and development costs are one of the key measurements of the performance of an oil and gas exploration and production company. We will focus on our operated properties as we control the location, spending and operations associated with drilling these properties. In determining our proved developed finding and development costs, only cash costs incurred in connection with exploration and development will be used in the calculation, while the costs of acquisitions will be excluded because our board approves each material acquisition. In evaluating our proved developed reserve additions, any reserve revisions for changes in commodity prices between years will be excluded from the assessment, but any performance related reserve revisions are included.

We also continually evaluate our rates of return on invested capital in our wells. We believe the quality of our assets combined with our technical and managerial expertise can generate attractive rates of return as we develop our acreage in the Utica Core Area and Our Marcellus Project Area. We review changes in drilling and completion costs; lease operating costs; natural gas, NGLs and oil prices; well productivity; and other factors in order to focus our drilling on the highest rate of return areas within our acreage.

Overview of the Three Months Ended September 30, 2014 Results

Operationally, our performance during the three months ended September 30, 2014 reflects continued development of our Utica Core Area and Our Marcellus Project Area acreage, continuing the delineation process across these two acreage positions. During the three months ended September 30, 2014, we achieved the following financial and operating results:

• increased our net production by 104% from the period ended June 30, 2014 to 85.8 MMcfe per day;

• increased total net proved reserves by 32% to 245.5 Bcfe;

• commenced drilling 16 gross (12.6 net) operated Utica Shale wells, completed 17 gross (12.6 net) operated Utica Shale wells and turned-to-sales 13 gross (8.8 net) wells during the quarter;

• participated in 14 gross (2.9 net) non-operated Utica Shale wells, completed 18 gross (1.7 net) non-operated Utica Shale wells and turned-to-sales 14 gross (1.2 net) wells during the quarter;

• net loss was $(19.1) million for the three months ended September 30, 2014 compared to $(16.5) million for the three months ended September 30, 2013; and

• Adjusted EBITDAX was $13.1 million for the three months ended September 30, 2014 compared to $(2.6) million for the three months ended September 30, 2013. Adjusted EBITDAX is a non-GAAP financial measure. See “Non-GAAP Financial Measures” for more information.

Overview of the Nine Months Ended September 30, 2014 Results

Operationally, our performance during the nine months ended September 30, 2014 reflects continued development of our Utica Core Area and Our Marcellus Project Area acreage continuing the delineation process across these two acreage positions. During the nine months ended September 30, 2014, we achieved the following financial and operating results:

• completed our IPO of 30,300,000 shares of common stock, resulting in gross proceeds of approximately $818.1 million, and net proceeds to us of approximately $544.7 million;

• increased total net proved reserves by 213%, or 167.0 Bcfe, compared to December 31, 2013;

• commenced drilling 46 gross (33.2 net) operated Utica Shale wells, completed 27 gross (20.8 net) operated Utica Shale wells and turned-to-sales 17 gross (12.7 net) wells during the year;

• participated in 49 gross (7.7 net) non-operated Utica Shale wells and completed 46 gross (5.7 net) non-operated Utica Shale wells and turned-to-sales 45 gross (7.2 net) wells were placed into sales during the year;

• contracted for firm gathering, cryogenic processing and fractionation capacity for our operated Utica Shale liquids rich natural gas production;

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• entered into long-term firm transportation contracts with pipelines to sell a portion of our expected natural gas production beginning in 2015. The contracts range in term and extend through 2025 to 2032. The annual commitment is approximately $72 million and is payable per MMbtu of natural gas transported on the pipelines;

• net loss was $(150.2) million for the nine months ended September 30, 2014 compared to $(24.0) million for the nine months ended September 30, 2013; and

• Adjusted EBITDAX was $36.4 million for the nine months ended September 30, 2014 compared to $(8.4) million for the nine months ended September 30, 2013. Adjusted EBITDAX is a non-GAAP financial measure. See “Non-GAAP Financial Measures” for more information.

Market Conditions

Prices for various quantities of natural gas, NGLs and oil that we produce significantly impact our revenues and cash flows. Prices for commodities, such as hydrocarbons, are inherently volatile. The following table lists average, high and low NYMEX Henry Hub prices for natural gas and NYMEX WTI prices for oil for the three months ended September 30, 2014 and 2013 and the nine months ended September 30, 2014 and 2013.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
NYMEX Henry Hub High ($/MMBtu)	$	4.46	$	3.81	$	6.15	$	4.41
NYMEX Henry Hub Low ($/MMBtu)		3.75		3.23		3.75		3.11
Average NYMEX Henry Hub ($/MMBtu)		3.95		3.56		4.43		3.69
NYMEX WTI High ($/Bbl)	$	105.34	$	110.53	$	107.26	$	110.53
NYMEX WTI Low ($/Bbl)		91.16		97.99		91.16		86.68
Average NYMEX WTI ($/Bbl)		97.25		105.81		99.62		98.20

Results of Operations

Three Months Ended September 30, 2014 Compared to Three Months Ended September 30, 2013

Natural Gas, NGLs and Oil Sales, Production and Realized Price Calculations

The following table illustrates the revenue attributable to natural gas, NGLs and oil sales for the three months ended September 30, 2014 and 2013.

	Three Months Ended September 30,
	2014		2013		Change
Revenues (in thousands):
Natural gas sales	$	17,208	$	1,587	$	15,621
NGLs sales		5,132		—		5,132
Oil sales		13,362		2,923		10,439
Total revenues	$	35,702	$	4,510	$	31,192

Our production grew approximately 7,295 MMcfe for the three months ended September 30, 2014 over the same period in 2013, which was attributable to additions from acquisitions and drilling success as we placed new wells on production, partially offset by natural decline. Our production for the three months ended September 30, 2014 and 2013 is set forth in the following table:

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	Three Months Ended September 30,
	2014		2013		Change
Production:
Natural gas (MMcf)		6,190.3		432.4		5,757.9
NGLs (Mbbls)		116.4		—		116.4
Oil (Mbbls)		166.9		27.2		139.7
Total (MMcfe)		7,890.0		595.3		7,294.7
Average daily production volume:
Natural gas (Mcf/d)		67,286		4,700		62,586
NGLs (Bbls/d)		1,265		—		1,265
Oil (Bbls/d)		1,814		296		1,518
Total (Mcfe/d)		85,761		6,471		79,290

Our average realized price received during the three months ended September 30, 2014 was $4.53 per Mcfe compared to $7.58 per Mcfe in the three months ended September 30, 2013. The decrease in the average realized price was due primarily to a higher percentage of our total revenues being driven by natural gas production in the three months ended September 30, 2014, as compared to the three months ended September 30, 2013. Average realized prices (wellhead) do not include any third party transportation costs, which are reported in transportation, gathering and compression expense on our condensed consolidated statements of operations. Average realized price calculations, excluding the effects of hedges, for the three months ended September 30, 2014 and 2013 are shown in the following table.

	Three Months Ended September 30,
	2014			2013		Change
Volume weighted average realized prices:
Natural gas ($/Mcf)(1)	$	2.78		$	3.67	$	(0.89	)
NGLs ($/Bbl)		44.09			—		44.09
Oil ($/Bbl)		80.06			107.46		(27.40	)
Average price ($/Mcfe)		4.53			7.58		(3.05	)
Differential to Average NYMEX Henry Hub(2)		(1.17	)		0.11		(1.28	)
Differential to Average NYMEX WTI(2)		(17.19	)		1.65		(18.84	)

(1) Including the effects of commodity hedging, the average effective natural gas sales price for the three months ended September 30, 2014 would have been $3.68 per Mcf. The total volume of gas associated with these hedges for the three months ended September 30, 2014 represented approximately 46% of our total natural gas sales volumes. There were no commodity derivatives in place for the three months ended September 30, 2013.

(2) Differential compares actual NYMEX Henry Hub and WTI prices to our actual volume-weighted average realized prices for gas and oil, respectively.

Costs and Expenses

We believe some of our expense fluctuations are best analyzed on a unit-of-production, or per Mcfe, basis. The following table presents information about operating expenses for the three months ended September 30, 2014 and 2013.

	Three Months Ended September 30,
	2014		2013		Change
Operating expenses (in thousands):
Lease operating	$	2,077	$	1,035	$	1,042
Transportation, gathering and compression		6,857		23		6,834
Production and ad valorem taxes		2,132		26		2,106
Depreciation, depletion and amortization		29,983		2,462		27,521
General and administrative		11,897		6,042		5,855
Operating expenses per Mcfe:
Lease operating	$	0.26	$	1.74	$	(1.48	)
Transportation, gathering and compression		0.87		0.04		0.83
Production and ad valorem taxes		0.27		0.04		0.23
Depletion, depreciation and amortization		3.80		4.14		(0.34	)

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	Three Months Ended September 30,
	2014		2013		Change
General and administrative		1.51		10.15		(8.64	)

Lease operating expense was $2.1 million in the three months ended September 30, 2014 compared to $1.0 million in the three months ended September 30, 2013. The increase of $1.1 million is attributable to an increased number of wells coming online during the three months ended September 30, 2014, as compared to the three months ended September 30, 2013. Lease operating expenses include normally recurring expenses to operate and produce our wells and non-recurring workovers and repairs. We experience increases in operating expenses as we add new wells and manage existing properties.

Transportation, gathering and compression expense was $6.9 million during the three months ended September 30, 2014 compared to less than $0.1 million in the three months ended September 30, 2013. These third party costs were higher in the three months ended September 30, 2014 due to our production growth where we have third party gathering and compression agreements. We have excluded these costs in the calculation of average realized sales prices.

Production and ad valorem taxes are paid based on market prices and applicable tax rates. Production and ad valorem taxes were $2.1 million in the three months ended September 30, 2014 compared to less than $0.1 million in the three months ended September 30, 2013. Production and ad valorem taxes increased due to higher production volumes subject to production or ad valorem taxes.

Depreciation, depletion and amortization was approximately $30.0 million in the three months ended September 30, 2014 compared to $2.5 million in the three months ended September 30, 2013. The increase in the three months ended September 30, 2014 when compared to the three months ended September 30, 2013 is due to the increase in production during 2014. On a per Mcfe basis, DD&A decreased to $3.80 in the three months ended September 30, 2014 from $4.14 in the three months ended September 30, 2013, which was predominantly driven by a lower depletion rate. The decrease in depletion rate during the three months ended September 30, 2014 was due to total proved reserves (the denominator) increasing at a higher rate than production (the numerator) over the period.

General and administrative expense was $11.9 million for the three months ended September 30, 2014 compared to $6.0 million for the three months ended September 30, 2013. The increase of $5.9 million during the three months ended September 30, 2014 when compared to three months ended September 30, 2013 is primarily due to higher salaries and benefits related to the hiring of a significant number of new employees during the three months ended September 30, 2014. We expect that our personnel costs will continue to increase as we invest in our technical teams and other staffing to support the expansion of our drilling program in the Utica Core Area and Our Marcellus Project Area.

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Other Operating Expenses

Our total operating expenses also include other expenses that generally do not trend with production. These expenses include exploration expense, impairment of oil and gas properties and accretion of asset retirement obligation expense. The following table details our other operating expenses for three months ended September 30, 2014 and 2013.

	Three Months Ended September 30,
	2014		2013		Change
Other Operating Expenses (in thousands):
Exploration	$	3,057	$	350	$	2,707
Impairment of oil and gas properties		4,605		—		4,605
Accretion of asset retirement obligations		198		117		81

Exploration expense was $3.1 million in the three months ended September 30, 2014 compared to $0.4 million in the three months ended September 30, 2013. The increase was due to higher impairment of unproved properties related to lease expirations, dry hole costs, and delay rentals due to acreage increases and lease modifications. The following table details our exploration-related expenses for the three months ended September 30, 2014 and 2013.

	Three Months Ended September 30,
	2014		2013		Change
Exploration Expenses (in thousands):
Geological and geophysical	$	370	$	335	$	35
Delay rentals		1,391		11		1,380
Dry hole		796		4		792
Impairment of unproved properties		500		—		500
	$	3,057	$	350	$	2,707

Impairment of unproved properties was $0.5 million for the three months ended September 30, 2014 compared to $0.0 million for the three months ended September 30, 2013. We assess individually significant unproved properties for impairment and recognize a loss where circumstances indicate impairment in value. In determining whether a significant unproved property is impaired we consider numerous factors, including, but not limited to, current exploration plans, favorable or unfavorable activity on the property being evaluated and/or adjacent properties, our geologists’ evaluation of the property and the remaining months in the lease term for the property. Impairment of individually insignificant unproved properties is assessed and amortized on an aggregate basis based on our average holding period, expected forfeiture rate and anticipated drilling success. As we continue to review our acreage positions and high grade our drilling inventory based on the current price environment, additional leasehold impairments and abandonments may be recorded.

Impairment of oil and gas properties was $4.6 million for the three months ended September 30, 2014 compared to $0.0 million for the three months ended September 30, 2014. An analysis of proved properties determined the future undiscounted cash flows were less than the carrying value for certain asset groupings. An impairment expense was recognized for these asset groupings based on the difference between the fair market value and carrying value of the asset groupings. This type of impairment is common in new plays where reserves and production associated with different areas of the play are still being evaluated.

Accretion of asset retirement obligations was $0.2 million in the three months ended September 30, 2014, compared to $0.1 million in the three months ended September 30, 2013. Accretion expense relates to the increase in the asset retirement obligations associated with new wells drilled during the three months ended September 30, 2014 and existing wells acquired in the Oxford Acquisition in June 2013.

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Other Income (Expense)

Gain on derivative instruments was $5.6 million for the three months ended September 30, 2014. There was no gain or loss on derivatives in the three months ended September 30, 2013 as the Company did not have derivative instruments in place during this period. The $5.6 million gain on derivative instruments includes approximately $0.6 million of net cash receipts on settled derivatives.

Interest expense, net was $10.1 million for the three months ended September 30, 2014. We incurred $10.9 million in interest expense in the three months ended September 30, 2013. The decrease in interest expense during the three months ended September 30, 2014 was due to higher capitalized interest partially offset by increased interest expense on our Senior Unsecured Notes.

Income tax benefit was $10.5 million for the three months ended September 30, 2014 primarily related to our operating loss during the period.

Nine Months Ended September 30, 2014 Compared to the Nine Months Ended September 30, 2013

Natural Gas, NGLs and Oil Sales, Production and Realized Price Calculations

The following table illustrates the revenue attributable to natural gas, NGLs and oil sales for the nine months ended September 30, 2014 and 2013.

	Nine Months Ended September 30,
	2014		2013		Change
Revenues (in thousands):
Natural gas sales	$	41,233	$	1,764	$	39,469
NGLs sales		12,036		—		12,036
Oil sales		34,176		3,604		30,572
Total revenues	$	87,445	$	5,368	$	82,077

Our production for the nine months ended September 30, 2014 grew by approximately 14,467 MMcfe compared to the nine months ended September 30, 2013 over the same period in 2013, which was attributable to additions from acquisitions and drilling success as we placed new wells on production, partially offset by natural decline. Our production for each of the nine months ended September 30, 2014 and 2013 is set forth in the following table:

	Nine Months Ended September 30,
	2014		2013		Change
Production:
Natural gas (MMcf)		11,395.8		477.6		10,918.2
NGLs (Mbbls)		238.8		—		238.8
Oil (Mbbls)		387.9		35.3		352.6
Total (MMcfe)		15,155.9		689.1		14,466.8
Average daily production volume:
Natural gas (Mcf/d)		41,743		1,749		39,994
NGLs (Bbls/d)		875		—		875
Oil (Bbls/d)		1,421		129		1,292
Total (Mcfe/d)		55,516		2,524		52,992

Our average realized price received during the nine months ended September 30, 2014 was $5.77 per Mcfe compared to $7.79 per Mcfe in the nine months ended September 30, 2013. The decrease in the average realized price was due primarily to a higher percentage of our total revenues being driven by natural gas production in the nine months ended September 30, 2014, as compared to the nine months ended September 30, 2013. Average realized prices (wellhead) do not include any third party transportation costs, which are reported in transportation, gathering and compression expense on our condensed consolidated statements of operations. Average realized price calculations for the nine months ended September 30, 2014 and 2013 are shown in the following table.

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	Nine Months Ended September 30,
	2014			2013		Change
Volume weighted average realized prices:
Natural gas ($/Mcf)(1)	$	3.62		$	3.69	$	(0.07	)
NGLs ($/Bbl)		50.40			—		50.40
Oil ($/Bbl)		88.11			102.10		(13.99	)
Average price ($/Mcfe)		5.77			7.79		(2.02	)
Differential to Average NYMEX Henry Hub(2)		(0.81	)		—		(0.81	)
Differential to Average NYMEX WTI(2)		(11.51	)		3.90		(15.41	)

(1) Including the effects of commodity hedging, the average effective natural gas sales price for the nine months ended September 30, 2014 would have been $3.71 per Mcf. The total volume of gas associated with these hedges for the nine months ended September 30, 2014 represented approximately 47% of our total sales volumes for the three months ended September 30, 2014. There were no commodity derivatives in place for the nine months ended September 30, 2013.

(2) Differential compares actual NYMEX Henry Hub and WTI prices to our actual volume-weighted average realized prices for gas and oil, respectively.

Costs and Expenses

We believe some of our expense fluctuations are best analyzed on a unit-of-production, or per Mcfe, basis. The following table presents information about operating expenses for the nine months ended September 30, 2014 and 2013.

	Nine Months Ended September 30,
	2014		2013		Change
Operating expenses (in thousands):
Lease operating	$	6,511	$	1,165	$	5,346
Transportation, gathering and compression		10,710		23		10,687
Production and ad valorem taxes		3,187		32		3,155
Depletion, depreciation and amortization		51,967		3,445		48,522
General and administrative		28,720		12,504		16,216
Operating expenses per Mcfe:
Lease operating	$	0.43	$	1.69	$	(1.26	)
Transportation, gathering and compression		0.71		0.03		0.68
Production and ad valorem taxes		0.21		0.05		0.16
Depletion, depreciation and amortization		3.43		5.00		(1.57	)
General and administrative		1.89		18.15		(16.26	)

Lease operating expense was $6.5 million in the nine months ended September 30, 2014 compared to $1.2 million in the nine months ended September 30, 2013. The increase of $5.3 million is attributable to an increased number of wells coming online during the nine months ended September 30, 2014, as compared to the nine months ended September 30, 2013. Lease operating expenses include normally recurring expenses to operate and produce our wells and non-recurring workovers and repairs. We experience increases in operating expenses as we add new wells and manage existing properties. We incurred $1.0 million in workover costs, associated primarily with legacy conventional wells, in the nine months ended September 30, 2014 compared to $0 in the nine months ended September 30, 2013.

Transportation, gathering and compression expense was $10.7 million during the nine months ended September 30, 2014 compared to less than $0.1 million in the nine months ended September 30, 2013. These third party costs were higher in the nine months ended September 30, 2014 due to our production growth where we have third party gathering and compression agreements. We have excluded these costs in the calculation of average realized sales prices.

Production and ad valorem taxes are paid based on market prices and applicable tax rates. Production and ad valorem taxes were $3.2 million in the nine months ended September 30, 2014 compared to less than $0.1 million in the nine months ended September 30, 2013. Production and ad valorem taxes increased due to an increase in production volumes subject to production or ad valorem taxes.

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Depreciation, depletion and amortization was approximately $52.0 million in the nine months ended September 30, 2014 compared to $3.4 million in the nine months ended September 30, 2013. The increase in the nine months ended September 30, 2014 when compared to the nine months ended September 30, 2013 is due to the increase in production during 2014. On a per Mcfe basis, DD&A decreased to $3.43 in the nine months ended September 30, 2014 from $5.00 in the nine months ended September 30, 2013, which was predominantly driven by a lower depletion rate. The decrease in depletion rate in the nine months ended September 30, 2014 was due to total proved reserves (the denominator) increasing at a higher rate than production (the numerator) over the period.

General and administrative expense was $28.7 million for the nine months ended September 30, 2014 compared to $12.5 million for the nine months ended September 30, 2013. The increase of $16.2 million during the nine months ended September 30, 2014 when compared to the nine months ended September 30, 2013 is primarily due to higher salaries and benefits related to the hiring of a significant number of new employees during the nine months ended September 30, 2014. Our personnel costs will continue to increase as we invest in our technical teams and other staffing to support the expansion of our drilling program in the Utica Core Area and Our Marcellus Project Area.

Other Operating Expenses

Our total operating expenses also include other expenses that generally do not trend with production. These expenses include exploration expense, impairment of oil and gas properties, accretion expense, and gain on reduction of pension liability. The following table details our other operating expenses for the nine months ended September 30, 2014 and 2013.

	Nine Months Ended September 30,
	2014			2013		Change
Other Operating Expenses (in thousands):
Exploration	$	16,897		$	470	$	16,427
Impairment of oil and gas properties		4,605			—		4,605
Accretion of asset retirement obligations		575			234		341
Gain on reduction of pension liability		(2,208	)		—		(2,208	)

Exploration expense was $16.9 million in the nine months ended September 30, 2014 compared to $0.5 million in the nine months ended September 30, 2013. The increase was due to higher impairment of unproved properties relating to lease expirations, geological and geophysical costs, dry hole costs and delay rentals due to acreage increases and lease modifications. The following table details our exploration-related expenses for the nine months ended September 30, 2014 and 2013.

	Nine Months Ended September 30,
	2014		2013		Change
Exploration Expenses (in thousands):
Geological and geophysical	$	729	$	355	$	374
Delay rentals		11,077		82		10,995
Dry hole		925		33		892
Impairment of unproved properties		4,166		—		4,166
	$	16,897	$	470	$	16,427

Impairment of unproved properties was $4.2 million in the nine months ended September 30, 2014 compared to $0.0 million in the nine months ended September 30, 2013. We assess individually significant unproved properties for impairment and recognize a loss where circumstances indicate impairment in value. In determining whether a significant unproved property is impaired we consider numerous factors, including, but not limited to, current exploration plans, favorable or unfavorable activity on the property being evaluated and/or adjacent properties, our geologists’ evaluation of the property and the remaining months in the lease term for the property. Impairment of individually insignificant unproved properties is assessed and amortized on an aggregate basis based on our average holding period, expected forfeiture rate and anticipated drilling success. As we continue to review our acreage positions and high grade our drilling inventory based on the current price environment, additional leasehold impairments and abandonments may be recorded.

Impairment of oil and gas properties was $4.6 million for the nine months ended September 30, 2014 compared to $0.0 million for the nine months ended September 30, 2014. An analysis of proved properties determined the future undiscounted cash flows were less than the carrying value for certain asset groupings. An impairment expense was recognized for these asset groupings

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based on the difference between the fair market value and carrying value of the asset groupings. This type of impairment is common in new plays where reserves and production associated with different areas of the play are still being evaluated.

Accretion of asset retirement obligations was $0.6 million in the nine months ended September 30, 2014, compared to $0.2 million in the nine months ended September 30, 2013. Accretion expense relates to the increase in the asset retirement obligations associated with new wells drilled during the nine months ended September 30, 2014 and existing wells acquired in the Oxford Acquisition in June 2013.

Gain on reduction of pension liability was $2.2 million for the nine months ended September 30, 2014, compared to $0.0 in the nine months ended September 30, 2013. Effective March 31, 2014, the Company froze the benefit accruals related to the defined benefit pension plan it assumed in the Oxford Acquisition, which was completed during fiscal 2013.

Other Income (Expense)

Gain on derivative instruments was $1.1 million for the nine months ended September 30, 2014. There was no gain or loss on derivatives in the nine months ended September 30, 2013 as the Company did not have derivative instruments in place during this period. The Company made cash payments of approximately $1.6 million on derivative instruments that settled during the nine months ended September 30, 2014.

Interest expense, net was $35.3 million for the nine months ended September 30, 2014 compared to $11.5 million in the nine months ended September 30, 2013. The increase in interest expense during the nine months ended September 30, 2014 was due to the June 2013 and December 2013 issuances of $281.2 million and $100.0 million, respectively, of our Senior Unsecured Notes, net of discounts and offering expenses, as well as the $60 million drawn on our Revolving Credit Facility during 2014.

Other income was $1.6 million for the nine months ended September 30, 2014 representing the gain on acquisition of Eclipse Operating.

Income tax expense was $84.0 million for the nine months ended September 30, 2014 primarily related to a charge to record the initial impact of the change in our tax status as a result of the Corporate Reorganization, partially offset by the income tax benefit realized from the operating loss following the Corporate Reorganization.

Cash Flows, Capital Resources and Liquidity

Cash Flows

Cash flows from operations are primarily affected by production volumes and commodity prices. Our cash flows from operations also are impacted by changes in working capital. Short-term liquidity needs are satisfied by our operating cash flow, proceeds from asset sales, the remaining proceeds from our fiscal 2013 issuances of Senior Unsecured Notes, equity units and our IPO. We sell a large portion of our production at the wellhead under floating market contracts.

Nine Months Ended September 30, 2014 Compared to the Nine Months Ended September 30, 2013

Net cash used in operations in the nine months ended September 30, 2014 was $12.8 million compared to $11.1 million in the nine months ended September 30, 2013. The increase in cash used in operating activities from the nine months ended September 30, 2014 to the nine months ended September 30, 2013 reflects the higher operating costs associated with increased production coupled with lower realized prices. Net cash used in operations is also affected by working capital changes or the timing of cash receipts and disbursements. Changes in working capital (as reflected in our condensed consolidated statements of cash flows) for the nine months ended September 30, 2014 was $(19.1) million compared to $(2.4) million for the nine months ended September 30, 2013. The decrease in working capital is primarily due to higher operating and general administrative costs.

Net cash used in investing activities in the nine months ended September 30, 2014 was $510.0 million compared to $796.7 million in the nine months ended September 30, 2013.

During the nine months ended September 30, 2014, we:

• spent $510.8 million on related capital expenditures; and

• received net proceeds of $0.8 million related to the acquisition of Eclipse Operating.

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During the nine months ended September 30, 2013, we:

• spent $651.8 million, net of cash acquired, on the Oxford Acquisition;

• spent $153.4 million on related capital expenditures and unproved properties; and

• received proceeds of $8.5 million from the sale of 1,220 net acres within our area of mutual interest with Antero Resources in Noble County, Ohio.

Net cash provided by financing activities in the nine months ended September 30, 2014 decreased to $668.0 million compared to $864.7 million in the nine months ended September 30, 2013.

During the nine months ended September 30, 2014, we:

• issued shares of common stock in our IPO for proceeds to us totaling approximately $544.7 million, net of $5.3 million of IPO costs; and

• received capital contributions of $124.7 million from private equity funds managed by EnCap and investment funds controlled by certain members of our management prior to the IPO.

During the nine months ended September 30, 2013, we:

• issued $300.0 million in aggregate principal amount of our Senior Unsecured Notes and incurred $12 million related to discounts;

• issued Series A, A-1 and B units for a total of $583.6 million; and

• incurred debt issuance costs of approximately $6.9 million associated with our Senior Unsecured Notes.

Liquidity and Capital Resources

Our main sources of liquidity and capital resources are internally generated cash flow from operations, asset sales and access to the debt and equity capital markets. We must find new and develop existing reserves to maintain and grow our production and cash flows. We accomplish this primarily through successful drilling programs which require substantial capital expenditures. We periodically review capital expenditures and adjust our budget based on liquidity, drilling results, leasehold acquisition opportunities, and commodity prices.

Future success in growing reserves and production will be highly dependent on capital resources available and the success of finding or acquiring additional reserves. We will continue using net cash on hand, cash flows from operations and proceeds available under our Revolving Credit Facility to satisfy near-term financial obligations and liquidity needs, and as necessary, we will seek additional sources of debt or equity to fund these requirements. Longer-term cash flows are subject to a number of variables including the level of production and prices we receive for our production as well as various economic conditions that have historically affected the natural gas and oil business. Our ability to expand our reserve base is, in part, dependent on obtaining sufficient capital through internal cash flow, bank borrowings, asset sales or the issuance of debt or equity securities. There can be no assurance that internal cash flow and other capital sources will provide sufficient funds to maintain capital expenditures that we believe are necessary to offset inherent declines in production and proven reserves.

Credit Arrangements

Long-term debt totaled $422.5 million and $400.0 million at September 30, 2014 and December 31, 2013 respectively, and in each case, consisted of our Senior Unsecured Notes.

The Indenture governing our Senior Unsecured Notes imposes limitations on the payment of dividends and other restricted payments (as defined in the Indenture). The Indenture also contains customary covenants relating to debt incurrence, working capital, dividends and financial ratios. We were in compliance with all applicable covenants in the Indenture at September 30, 2014.

We have the right to redeem all or a portion of the Senior Unsecured Notes prior to December 20, 2015 by paying a redemption price equal to a “make whole premium” equal to the greater of 106.0% or an amount computed under the Indenture plus accrued and unpaid interest. After December 20, 2015, we may redeem all or a part of the Senior Unsecured Notes at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest:

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Year following December 20, 2015	Redemption Price
Year 1		106.0	%
Year 2		103.0	%
Year 3 and thereafter		100.0	%

At our option, for the first 2 semi-annual interest payments following the date the notes were first issued, interest may be payable by increasing the principal amount of the Senior Unsecured Notes or by PIK interest. At our option, for the subsequent four semi-annual interest payments thereafter, interest may be payable in the form of 6.0% per annum in cash and 7.0% per annum in PIK interest. Thereafter, interest can only be paid as cash interest. Interest on the Senior Unsecured Notes paid by paying PIK interest accrues at 13.0%, while interest paid by cash accrues at 12.0%. The Company elected to settle its accrued interest payable on January 15, 2014 by issuing PIK securities of $22.5 million and settled its accrued interest payable on July 15, 2014 with a cash payment of $25.3 million. As of September 30, 2014, the Company had accrued additional interest in the amount of $10.6 million.

In February 2014, we entered into our $500 million Revolving Credit Facility. As of May 1, 2014, our borrowing base was increased from $50 million to $100 million. Amounts outstanding under the revolver were repaid on June 25, 2014 with proceeds obtained from our IPO. To ensure our borrowing base more closely conforms to our growth in reserves, the borrowing base under our Revolving Credit Facility is scheduled to be redetermined quarterly basis through January 2015 (April, July, October and January) and semi-annually thereafter beginning on April 1, 2015 (April and October).

Commodity Hedging Activities

Our primary market risk exposure is in the prices we receive for our natural gas, NGLs and oil production. Realized pricing is primarily driven by the spot regional market prices applicable to our U.S. natural gas, NGLs and oil production. Pricing for natural gas, NGLs and oil production has been volatile and unpredictable for several years, and we expect this volatility to continue in the future. The prices we receive for production depend on many factors outside of our control, including volatility in the differences between product prices at sales points and the applicable index price.

To mitigate the potential negative impact on our cash flow caused by changes in natural gas, NGLs and oil prices, we may enter into financial commodity derivative contracts to ensure that we receive minimum prices for a portion of our future production when management believes that favorable future prices can be secured. We currently use a mix of over-the-counter (“OTC”) natural gas fixed price swaps and put option spreads to manage our exposure to natural gas price fluctuations. Below is a summary of our derivative instrument positions as of September 30, 2014 for future production periods:

Description	Volume (MMBtu/d)		Production Period	Weighted Average Price ($/MMBtu)
Natural Gas Swaps:
		30,000	October 2014—December 2014	$	4.121
		26,219	January 2015—December 2015	$	4.071
Natural Gas Put Spread:
Purchased put		20,000	October 2014—December 2014	$	4.50
Sold put		20,000	October 2014—December 2014	$	4.00
Natural Gas Put Sale:
		16,800	January 2015—December 2015	$	3.350
Natural Gas Collar:
Purchased put		5,000	November 2014—March 2015	$	4.000
Call sold		5,000	November 2014—March 2015	$	4.750
Basis Swaps:
		25,000	November 2014—March 2015	$	(1.067	)
		25,000	April 2015—October 2015	$	(1.208	)

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Subsequent to September 30, 2014, the Company did not enter into any additional financial commodity derivative contracts.

By using derivative instruments to hedge exposures to changes in commodity prices, we expose ourselves to the credit risk of our counterparties. Credit risk is the potential failure of the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is positive, the counterparty is expected to owe us, which creates credit risk. To minimize the credit risk in derivative instruments, it is our policy to enter into derivative contracts only with counterparties that are creditworthy financial institutions deemed by management as competent and competitive market makers. The creditworthiness of our counterparties is subject to periodic review. As of September 30, 2014, our derivative instruments were in a net liability position.

Capital Requirements

Our primary needs for cash are for exploration, development and acquisition of natural gas and oil properties and repayment of principal and interest on outstanding debt. During the nine months ended September 30, 2014, costs incurred for the development and acquisition of gas and oil properties was $607.6 million. During the nine months ended September 30, 2013 costs incurred for the development and acquisition of gas and oil properties was $814.6 million, which included $662.0 million relating to the acquisition of Oxford Oil Company (see “Note 4—Acquisitions”). We expect to fund our capital expenditures for the remainder of 2014 with cash generated by operations, borrowings under our Revolving Credit Facility, net proceeds received from our previous issuance of Senior Unsecured Notes, and a portion of our net proceeds from the IPO. The actual amount and timing of our future capital expenditures may differ materially from our estimates as a result of, among other things, natural gas, NGLs and oil prices, actual drilling results, the availability of drilling rigs and other services and equipment, and regulatory, technological and competitive developments. A reduction in natural gas, NGLs or oil prices from current levels may result in a decrease in our actual capital expenditures, which would negatively impact our ability to grow production. Our financing needs may require us to alter or increase our capitalization substantially through the issuance of debt or equity securities or the sale of assets.

Capitalization

As of September 30, 2014 and December 31, 2013 our total debt and capitalization were as follows (in millions):

	September 30, 2014			December 31, 2013
Senior Unsecured Notes		413.4		$	389.2
Stockholders’ equity		1,185.9			667.9
Total capitalization		1,599.3		$	1,057.1
Debt to capitalization ratio		25.8	%		36.8	%

Cash Contractual Obligations

Our contractual obligations include long-term debt, operating leases, drilling commitments, derivative obligations and asset retirement obligations. As of September 30, 2014 and December 31, 2013, we do not have any capital leases. As of September 30, 2014 and December 31, 2013, we do not have any significant off-balance sheet debt or other such unrecorded obligations and we have not guaranteed any debt of any unrelated party. The Company’s condensed consolidated balance sheet at September 30, 2014 reflects accrued interest payable on our Senior Unsecured Notes of $10.6 million, compared to $20.3 million as of December 31, 2013. The Company elected to settle its accrued interest payable on January 15, 2014 by issuing PIK securities of $22.5 million and settle its accrued interest payable on July 15, 2014 with a cash payment of $25.3 million.

During 2014 the Company entered into various long-term firm transportation contracts with pipelines in order to sell a portion of its expected natural gas production beginning in 2015. The contracts range in term and extend through 2025 to 2032. The Company’s annual commitment is approximately $72 million and is payable per MMbtu of natural gas transported on the pipelines.

We expect to fund these contractual obligations with cash generated from operating activities, borrowings under our Revolving Credit Facility, additional debt issuances and proceeds from asset sales.

Other

We lease acreage that is generally subject to lease expiration if operations are not commenced within a specified period, generally 5 years and approximately 46% of our leases in the Utica Core Area have a 5-year extension at our option. We do not expect to lose significant lease acreage because of failure to commence operations due to inadequate capital, equipment or personnel. However, based on our evaluation of prospective economics, including the cost of infrastructure to connect production, we have allowed acreage to expire and will allow additional acreage to expire in the future. To date, our expenditures to comply with environmental or safety regulations have not been a significant component of our cost structure and are not expected to be significant

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in the future. However, new regulations, enforcement policies, claims for damages or other events could result in significant future costs.

Interest Rates

At September 30, 2014, we had $413.4 million, as compared to $389.2 million as of December 31, 2013, of Senior Unsecured Notes outstanding that bear interest at a fixed cash interest rate of 12.0% and is due semi-annually from the date of issuance. At our option, the first two interest payments can be PIK Interest at a 13% per annum interest rate. Also at our option, the subsequent four semi-annual interest payments thereafter may be paid in the form of 6.0% per annum in cash and 7.0% per annum in PIK interest. Thereafter (subsequent to the sixth semi-annual interest payment), interest can only be paid in cash at a 12.0% per annum interest rate.

In February 2014, we entered into our $500 million Revolving Credit Facility. As of May 1, 2014, our borrowing base was increased from $50 million to $100 million. Amounts outstanding under the Revolving Credit Facility were repaid on June 25, 2014 with proceeds obtained from our IPO. Interest on outstanding borrowings under our Revolving Credit Facility will accrue based on, at our option, LIBOR or the alternate base rate, in each case, plus an applicable margin that is determined based on our utilization of commitments under our Revolving Credit Facility.

Off-Balance Sheet Arrangements

We do not currently utilize any off-balance sheet arrangements with unconsolidated entities to enhance our liquidity or capital resource position, or for any other purpose. However, as is customary in the oil and gas industry, we have various contractual work commitments, which are described above under “Cash Contractual Obligations”.

Inflation and Changes in Prices

Our revenues, the value of our assets and our ability to obtain bank loans or additional capital on attractive terms have been and will continue to be affected by changes in natural gas, NGLs and oil prices and the costs to produce our reserves. Natural gas, NGLs and oil prices are subject to significant fluctuations that are beyond our ability to control or predict. Although certain of our costs and expenses are affected by general inflation, it does not normally have a significant effect on our business. We expect our costs in fiscal 2014 to continue to be a function of supply and demand.

Non-GAAP Financial Measure

“Adjusted EBITDAX” is a non-GAAP financial measure that we define as net income (loss) before interest expense or interest income; income taxes; write-down of abandoned leases; impairments; DD&A; amortization of deferred financing costs; gain (loss) on derivative instruments, net cash receipts (payments on settled derivative instruments, and premiums (paid) received on options that settled during the period:) non-cash compensation expense; gain or loss from sale of interest in gas properties; and exploration expenses. Adjusted EBITDAX, as used and defined by us, may not be comparable to similarly titled measures employed by other companies and is not a measure of performance calculated in accordance with U.S. GAAP. Adjusted EBITDAX should not be considered in isolation or as a substitute for operating income, net income or loss, cash flows provided by operating, investing and financing activities, or other income or cash flow statement data prepared in accordance with U.S. GAAP. Adjusted EBITDAX provides no information regarding a company’s capital structure, borrowings, interest costs, capital expenditures, and working capital movement or tax position. Adjusted EBITDAX does not represent funds available for discretionary use because those funds may be required for debt service, capital expenditures, working capital, income taxes, franchise taxes, exploration expenses, and other commitments and obligations. However, our management team believes Adjusted EBITDAX is useful to an investor in evaluating our financial performance because this measure:

• is widely used by investors in the oil and natural gas industry to measure a company’s operating performance without regard to items excluded from the calculation of such term, which can vary substantially from company to company depending upon accounting methods and book value of assets, capital structure and the method by which assets were acquired, among other factors;

• helps investors to more meaningfully evaluate and compare the results of our operations from period to period by removing the effect of our capital structure from our operating structure; and

• is used by our management team for various purposes, including as a measure of operating performance, in presentations to our board of directors, as a basis for strategic planning and forecasting and by our lenders pursuant to covenants under the Revolving Credit Facility and the Indentures.

There are significant limitations to using Adjusted EBITDAX as a measure of performance, including the inability to analyze the effect of certain recurring and non-recurring items that materially affect our net income or loss, the lack of comparability of results of

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operations of different companies and the different methods of calculating Adjusted EBITDAX reported by different companies. The following table represents a reconciliation of our net loss from operations to Adjusted EBITDAX for the periods presented:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
Net loss	$	(19,054	)	$	(16,484	)	$	(150,153	)	$	(23,983	)
Depreciation, depletion & amortization		29,983			2,462			51,967			3,445
Exploration Expense		3,057			350			16,897			470
Incentive unit compensation		31			—			87			—
Impairment of oil and gas properties		4,605			—			4,605			—
Accretion of asset retirement obligations		198			117			575			234
Gain on reduction of pension liability		—			—			(2,208	)		—
Gain on derivative instruments		(5,572	)		—			(1,098	)		—
Net cash receipt (payment) on derivative instruments		584			—			(1,647	)		—
Net cash paid for option premium		(244	)		—			(385	)		—
Interest expense		10,066			10,939			35,320			11,478
Other income		—			—			(1,585	)		—
Income tax expense (benefit)		(10,544	)		—			83,997			—
Adjusted EBITDAX	$	13,110		$	(2,616	)	$	36,372		$	(8,356	)

Critical Accounting Estimates

Our discussion and analysis of our financial condition and results of operations are based upon consolidated financial statements, which have been prepared in accordance with U.S. GAAP. The preparation of our financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at year end, the reported amounts of revenues and expenses during the year and proved natural gas and oil reserves. Some accounting policies involve judgments and uncertainties to such an extent there is a reasonable likelihood that materially different amounts could have been reported under different conditions, or if different assumptions had been used. We evaluate our estimates and assumptions on a regular basis. We base our estimates on historical experience and various other assumptions that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Actual results could differ from the estimates and assumptions used.

Certain accounting estimates are considered to be critical if (a) the nature of the estimates and assumptions is material due to the level of subjectivity and judgment necessary to account for highly uncertain matters or the susceptibility of such matters to changes; and (b) the impact of the estimates and assumptions on financial condition or operating performance is material.

Natural Gas and Oil Properties

We follow the successful efforts method of accounting for natural gas and oil producing activities. Unsuccessful exploration drilling costs are expensed and can have a significant effect on reported operating results. Successful exploration drilling costs and all development costs are capitalized and systematically charged to expense using the units of production method based on proved developed natural gas and oil reserves as estimated by our engineers and audited by independent engineers. Costs incurred for exploratory wells that find reserves that cannot yet be classified as proved are capitalized on our balance sheet if (a) the well has found a sufficient quantity of reserves to justify its completion as a producing well; and (b) we are making sufficient progress assessing the reserves and the economic and operating viability of the project. Proven property leasehold costs are amortized to expense using the units of production method based on total proved reserves. Properties are assessed for impairment as circumstances warrant (at least annually) and impairments to value are charged to expense. The successful efforts method inherently relies upon the estimation of proved reserves, which includes proved developed and proved undeveloped volumes.

Proved reserves are defined by the SEC as those volumes of natural gas, NGLs, condensate and crude oil that geological and engineering data demonstrate with reasonable certainty are economically recoverable in future years from known reservoirs under existing economic and operating conditions. Proved developed reserves are volumes expected to be recovered through existing wells with existing equipment and operating methods, or in which the cost of the required equipment is relatively minor compared to the cost of a new well. Although our engineers are knowledgeable of and follow the guidelines for reserves established by the SEC, including the rule revisions designed to modernize the oil and gas company reserves reporting requirements which were adopted effective December 31, 2009, the estimation of reserves requires engineers to make a significant number of assumptions based on professional judgment. Reserve estimates are updated at least annually and consider recent production levels and other technical

46

information. Estimated reserves are often subject to future revisions, which could be substantial, based on the availability of additional information, including: reservoir performance, new geological and geophysical data, additional drilling, technological advancements, price and cost changes and other economic factors. Changes in natural gas, NGLs and oil prices can lead to a decision to start-up or shut-in production, which can lead to revisions to reserve quantities. Reserve revisions in turn cause adjustments in our depletion rates. We cannot predict what reserve revisions may be required in future periods. Reserve estimates are reviewed and approved by our Vice President, Business Development, Finance and Reservoir Engineering who reports directly to our Chief Financial Officer. For additional discussion, see “Business—Proved Reserves” in our IPO Prospectus.

Depletion rates are determined based on reserve quantity estimates and the capitalized costs of producing properties. As the estimated reserves are adjusted, the depletion expense for a property will change, assuming no change in production volumes or the capitalized costs. While total depletion expense for the life of a property is limited to the property’s total cost, proved reserve revisions result in a change in the timing of when depletion expense is recognized. Downward revisions of proved reserves may result in an acceleration of depletion expense, while upward revisions tend to lower the rate of depletion expense recognition. Estimated reserves are used as the basis for calculating the expected future cash flows from property asset groups, which are used to determine whether that property may be impaired. Reserves are also used to estimate the supplemental disclosure of the standardized measure of discounted future net cash flows relating to natural gas and oil producing activities and reserve quantities to our annual consolidated financial statements. Changes in the estimated reserves are considered a change in estimate for accounting purposes and are reflected on a prospective basis.

We monitor our long-lived assets recorded in natural gas and oil properties in our consolidated balance sheets to ensure they are fairly presented. We must evaluate our properties for potential impairment when circumstances indicate that the carrying value of an asset could exceed its fair value. A significant amount of judgment is involved in performing these evaluations since the results are based on estimated future events. Such events include a projection of future natural gas, NGLs and oil prices, an estimate of the ultimate amount of recoverable natural gas, NGLs and oil reserves that will be produced from the property asset groups future production, future production costs, future abandonment costs, and future inflation. The need to test a property asset group for impairment can be based on several factors, including a significant reduction in sales prices for natural gas, NGLs and/or oil, unfavorable adjustments to reserves, physical damage to production equipment and facilities, a change in costs, or other changes to contracts or environmental regulations. Our natural gas and oil properties are reviewed for potential impairments at the lowest levels for which there are identifiable cash flows that are largely independent of other groups of assets. All of these factors must be considered when testing a property asset groups carrying value for impairment.

The review is done by determining if the historical cost of proved properties less the applicable accumulated depreciation, depletion and amortization is less than the estimated undiscounted future net cash flows. The expected undiscounted future net cash flows are estimated based on our plans to produce and develop reserves. Expected undiscounted future net cash inflows from the sale of produced reserves are calculated based on estimated future prices and estimated operating and development costs. We estimate prices based upon market related information including published futures prices. The estimated future level of production, which is based on proved and risk adjusted probable reserves, has assumptions surrounding the future levels of prices and costs, field decline rates, market demand and supply and the economic and regulatory climates. In certain circumstances, we also consider potential sales of properties to third parties in our estimates of undiscounted future cash flows. When the carrying value exceeds the sum of undiscounted future net cash flows, an impairment loss is recognized for the difference between the estimated fair market value (as determined by discounted future net cash flows using a discount rate similar to that used by market participants) and the carrying value of the asset. We cannot predict whether impairment charges may be required in the future.

We believe that a sensitivity analysis regarding the effect of changes in assumptions on estimated impairment is impractical to provide because of the number of assumptions and variables involved which have interdependent effects on the potential outcome. If natural gas, NGLs and oil prices decrease or drilling efforts are unsuccessful, we may be required to record additional impairments.

We evaluate our unproved property investment periodically for impairment. The majority of these costs generally relate to the acquisition of leaseholds. The costs are capitalized and evaluated (at least quarterly) as to recoverability, based on changes brought about by economic factors and potential shifts in business strategy employed by management. Impairment of a significant portion of our unproved properties is assessed and amortized on an aggregate basis based on our average holding period, expected forfeiture rate and anticipated drilling success. Potential impairment of individually significant unproved property is assessed on a property-by-property basis considering a combination of time, geologic and engineering factors.

Acquisitions

As part of our business strategy, we periodically pursue the acquisition of oil and natural gas properties. The purchase price in an acquisition is allocated to the assets acquired and liabilities assumed based on their relative fair values as of the acquisition date, which may occur many months after the announcement date. Therefore, while the consideration to be paid may be fixed, the fair value

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of the assets acquired and liabilities assumed is subject to change during the period between the announcement date and the acquisition date. Our most significant estimates in our allocation typically relate to the value assigned to future recoverable oil and natural gas reserves and unproved properties. As the allocation of the purchase price is subject to significant estimates and subjective judgments, the accuracy of this assessment is inherently uncertain.

Asset Retirement Obligations

We have significant obligations to remove tangible equipment and restore land at the end of natural gas and oil production operations. Removal and restoration obligations are primarily associated with plugging and abandoning wells. Estimating the future asset removal costs is difficult and requires us to make estimates and judgments because most of the removal obligations are many years in the future and contracts and regulations often have vague descriptions of what constitutes removal. Asset removal technologies and costs are constantly changing, as are regulatory, political, environmental, safety and public relations considerations.

Inherent in the fair value calculation are numerous assumptions and judgments including the ultimate retirement costs, inflation factors, credit-adjusted discount rates, timing of retirement, and changes in the legal, regulatory, environmental and political environments. To the extent future revisions to these assumptions impact the present value of the existing asset retirement obligation (“ARO”), a corresponding adjustment is made to the natural gas and oil property balance. For example, as we analyze actual plugging and abandonment in formation, we may revise our estimate of current costs, the assumed annual inflation of the costs and/or the assumed productive lives of our wells. In addition, increases in the discounted ARO liability resulting from the passage of time are reflected as accretion expense, a component of depletion, depreciation and amortization in the accompanying consolidated statements of operations. Because of the subjectivity of assumptions and the relatively long lives of most of our wells, the costs to ultimately retire our wells may vary significantly from prior estimates.

Revenue Recognition

Natural gas, NGLs and oil sales are recognized when the products are sold and delivery to the purchaser has occurred. We use the sales method to account for gas imbalances, recognizing revenue based on gas delivered rather than our working interest share of gas produced. We generally sell natural gas, NGLs and oil under two types of agreements, which are common in our industry. Both types of agreements include transportation charges. We report our gathering and transportation costs in accordance with FASB Section 605-45-05 of Subtopic 605-45 for Revenue Recognition.

Under one type of agreement, we sell natural gas, NGLs or oil at a specific delivery point, pay transportation, gathering and compression to a third party and receive proceeds from the purchaser with no deduction. In that case, we record these costs as transportation, gatherings and compression expense. The other type of agreement, which is only used on a portion of our historically acquired vertical wells, is a netback arrangement under which we sell natural gas and oil at the wellhead and collect a price, net of transportation incurred by the purchaser. In this case, we record revenue at the price we received from the purchaser. In the case of NGLs, we receive a net price from the purchaser, net of processing costs, which is recorded in revenue at the net price. Regardless of agreement type, revenue is recorded in the month the product is delivered to the purchaser as title has transferred.

To the extent we have not been paid for production related to a given reporting period, we record an accrual for revenue based on our estimate of the amount of production delivered to purchasers and the price we will receive, along with any related transportation costs. We estimate volumes delivered based on production information or from historical operating results of individual properties when production information is not available, for example, for certain non-operated properties. Prices for such production and related transportation costs are defined in sales contracts and are readily determinable based on publicly available indices. Given the information available to us, we do not believe there to be any material implications with respect to uncertainties in developing these estimates and historically, our actual receipts have not been materially different from our accruals. The purchasers of such production have historically made payment for oil, NGLs and natural gas purchases within 30-60 days of the end of each production month, at which time any variance between our estimated revenue and transportation costs and actual payments is recorded.

Critical Accounting Policies and Estimates

See “Note 3—Summary of Significant Accounting Policies.”

Item 3. Quantitative and Qualitative Disclosures About Market Risk

The primary objective of the following information is to provide forward-looking quantitative and qualitative information about our potential exposure to market risks. The term “market risk” refers to the risk of loss arising from adverse changes in natural gas, NGLs and oil prices and interest rates. The disclosures are not meant to be precise indicators of expected future losses, but rather indicators of reasonably possible losses. This forward-looking information provides indicators of how we view and manage our

48

ongoing market-risk exposure. All of our market-risk sensitive instruments were entered into for purposes other than trading. All accounts are U.S. dollar denominated.

Commodity Price Risk

We are exposed to market risks related to the volatility of natural gas, NGLs and oil prices. Realized prices are primarily driven by worldwide prices for oil and spot market prices for North American gas production. Natural gas and oil prices have been volatile and unpredictable for many years. Natural gas prices affect us more than oil prices because approximately 75% of our September 30, 2014 and 67% of our December 31, 2013 proved reserves were natural gas.

For a discussion of how we use financial commodity derivative contracts to mitigate some of the potential negative impact on our cash flow caused by changes in natural gas prices, see “Note 5—Derivative Financial Instruments.”

A sensitivity analysis has been performed to determine the incremental effect on future earnings, related to open derivative instruments at September 30, 2014. A hypothetical 10 percent decrease in future natural gas prices would increase future earnings related to derivatives by $3.1 million. Similarly, a hypothetical 10 percent increase in future natural gas prices would decrease future earnings related to derivatives by $3.3 million.

Interest Rate Risk

At September 30, 2014, the cash interest rate with respect to our $422.5 million of Senior Unsecured Notes is fixed at 12.0%, and is due semi-annually from the date of issuance.

We will be exposed to interest rate risk in the future if we draw on our Revolving Credit Facility. Interest on outstanding borrowings under our Revolving Credit Facility will accrue based on, at our option, LIBOR or the alternate base rate, in each case, plus an applicable margin that is determined based on our utilization of commitments under our Revolving Credit Facility. As of May 1, 2014, our borrowing base was increased from $50.0 million to $100.0 million. All outstanding amounts under the Revolving Credit Facility were repaid on June 25, 2014 with a portion of our proceeds from our IPO.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures.

The Company’s management carried out an evaluation (as required by Rule 13a-15(b) of the Exchange Act), with the participation of the Company’s President and Chief Executive Officer and Executive Vice President and Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as defined in Rule 13a-15(e) of the Exchange Act), as of the end of the period covered by this Quarterly Report on Form 10-Q. Based upon this evaluation, the Company’s President and Chief Executive Officer and Executive Vice President and Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective as of the end of the period covered by this Quarterly Report on Form 10-Q, such that the information relating to the Company and its consolidated subsidiaries required to be disclosed by the Company in the reports that it files or submits under the Exchange Act (i) is recorded, processed, summarized, and reported, within the time periods specified in the SEC’s rules and forms, and (ii) is accumulated and communicated to the Company’s management, including its principal executive and financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

Changes in Internal Controls.

In addition, the Company’s management carried out an evaluation, as required by Rule 13a-15(d) of the Exchange Act, with the participation of the President and Chief Executive Officer and Executive Vice President and Chief Financial Officer, of changes in the Company’s internal control over financial reporting. Based on this evaluation, the President and Chief Executive Officer and Executive Vice President and Chief Financial Officer concluded that there were no changes in the Company’s internal control over financial reporting that occurred during the quarter ended September 30, 2014 that have materially affected, or that are reasonably likely to materially affect, the Company’s internal control over financial reporting.

49

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

Information regarding the Company’s legal proceedings is set forth in “Note 12—Commitments and Contingencies” located in the Notes to the Condensed Consolidated Financial Statements included in Item 1 of Part I of this Quarterly Report on Form 10-Q and is incorporated herein by reference.

Item 1A. Risk Factors

In addition to the other information set forth in this Quarterly Report on Form 10-Q, you should carefully consider the factors discussed in “Risk Factors” in our final prospectus dated June 19, 2014 and filed with the SEC pursuant to Rule 424(b)(4) of the Securities Act on June 23, 2014, which could materially affect our business, financial condition, and/or future results. The risks described in our final prospectus are not the only risks we face. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition, or results of operations.

Item 6. Exhibits

See the list of exhibits in the index to exhibits to this Quarterly Report on Form 10-Q, which is incorporated herein by reference.

50

SIGNATURES

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

November 12, 2014	ECLIPSE RESOURCES CORPORATION
	(Registrant)
	/s/ Benjamin W. Hulburt
	Benjamin W. Hulburt,
	Chairman, President and Chief Executive Officer
	/s/ Matthew R. DeNezza
	Matthew R. DeNezza,
	Executive Vice President and Chief Financial Officer

51

ECLIPSE RESOURCES CORPORATION

INDEX TO EXHIBITS

Exhibit No.	Description
3.1	Amended and Restated Certificate of Incorporation of Eclipse Resources Corporation (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed with the SEC on June 24, 2014).
3.2	Amended and Restated Bylaws of Eclipse Resources Corporation (incorporated by reference to Exhibit 3.2 to the Company’s Current Report on Form 8-K filed with the SEC on June 24, 2014).
4.1	Stockholders Agreement, dated June 25, 2014, by and among Eclipse Resources Corporation, Eclipse Resources Holdings, L.P., CKH Partners II, L.P., The Hulburt Family II Limited Partnership, Kirkwood Capital, L.P, EnCap Energy Capital Fund VIII, L.P., EnCap Energy Capital Fund VIII Co-Investors, L.P., EnCap Energy Capital Fund IX, L.P. and Eclipse Management, L.P. (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on June 30, 2014).
4.2	Registration Rights Agreement, dated June 25, 2014, by and among Eclipse Resources Corporation, Eclipse Resources Holdings, L.P., CKH Partners II, L.P., The Hulburt Family II Limited Partnership, Kirkwood Capital, L.P, EnCap Energy Capital Fund VIII, L.P., EnCap Energy Capital Fund VIII Co-Investors, L.P., EnCap Energy Capital Fund IX, L.P. and Eclipse Management, L.P. (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed with the SEC on June 30, 2014).
10.1*	Third Amendment to Credit Agreement, dated as of July 31, 2014 among Eclipse Resources I, LP, Bank of Montreal, as administrative agent, Key Bank National Association, as syndication agent, and each of the lenders party thereto.
10.2	Executive Employment Agreement dated as of August 26, 2014, by, and between Eclipse Resources Corporation and Benjamin W. Hulburt (incorporated by referenced to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on August 29, 2014).
10.3	Executive Employment Agreement dated as of August 26, 2014, by, and between Eclipse Resources Corporation and Matthew R. DeNezza (incorporated by referenced to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed with the SEC on August 29, 2014).
10.4	Executive Employment Agreement dated as of August 26, 2014, by, and between Eclipse Resources Corporation and Christopher K. Hulburt (incorporated by referenced to Exhibit 10.3 to the Company’s Current Report on Form 8-K filed with the SEC on August 29, 2014).
10.5	Executive Employment Agreement dated as of August 26, 2014, by, and between Eclipse Resources Corporation and Thomas S. Liberatore (incorporated by referenced to Exhibit 10.4 to the Company’s Current Report on Form 8-K filed with the SEC on August 29, 2014).
23.1*	Consent of Netherland, Sewell & Associates, Inc.
31.1*	Certification of Chief Executive Officer pursuant to Rule 13a-14(a) of the Exchange Act, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of Chief Financial Officer pursuant to Rule 13a-14(a) of the Exchange Act, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certifications of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**	Certifications of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

52

Exhibit No.	Description
101.INS*	XBRL Instance Document.
101.SCH*	XBRL Taxonomy Extension Schema Document.
101.CAL*	XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF*	XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB*	XBRL Taxonomy Extension Label Linkbase Document.
101.PRE*	XBRL Taxonomy Extension Presentation Linkbase Document.

* Filed herewith.

** These exhibits are furnished herewith and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act.

53

EX-10.1

Exhibit 10.1

Execution Version

THIRD AMENDMENT TO CREDIT AGREEMENT

dated as of July 31, 2014

among

ECLIPSE RESOURCES I, LP,

as Borrower,

BANK OF MONTREAL,

as Administrative Agent,

KEYBANK NATIONAL ASSOCIATION,

as Syndication Agent,

and

the Lenders Party Hereto

BMO CAPITAL MARKETS CORP.

Lead Arranger and Sole Bookrunner

[THIRD AMENDMENT TO CREDIT AGREEMENT]

THIRD AMENDMENT TO CREDIT AGREEMENT

THIS THIRD AMENDMENT TO CREDIT AGREEMENT (this “Amendment”) dated as of July 31, 2014, is among: ECLIPSE RESOURCES I, LP, a Delaware limited partnership, the Lenders party hereto, and BANK OF MONTREAL, as Administrative Agent.

R E C I T A L S

A. The Borrower, the Administrative Agent and the Lenders are parties to that certain Credit Agreement dated as of February 18, 2014 (as amended, restated, supplemented or modified from time to time, the “Credit Agreement”), pursuant to which the Lenders have made certain credit available to and on behalf of the Borrower.

B. The Borrower has requested that the Administrative Agent and the Majority Lenders amend, and the Administrative Agent and the Majority Lenders have agreed to amend, the Credit Agreement as herein set forth.

C. Now, therefore, to induce the Administrative Agent and the Majority Lenders to enter into this Amendment and in consideration of the premises and the mutual covenants herein contained, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows:

1. Defined Terms. Each capitalized term used herein but not otherwise defined herein has the meaning given such term in the Credit Agreement, as amended by this Amendment. Unless otherwise indicated, all section references in this Amendment refer to sections of the Credit Agreement.

2. Amendments to the Credit Agreement.

(a) Amendment to Section 1.02 of the Credit Agreement. Section 1.02 of the Credit Agreement is hereby amended by (i) restating the defined term “Agreement” in its entirety and (ii) adding the defined term “Ultimate Parent”, in appropriate alphabetical order, in each case to read as follows:

“Agreement” means this Credit Agreement, as amended by that certain First Amendment to Credit Agreement dated as of April 10, 2014, that certain Second Amendment to Credit Agreement dated as of April 24, 2010, that certain Third Amendment to Credit Agreement dated as of July 31, 2014, and as the same may be further amended, restated, supplemented, or modified from time to time.

“Ultimate Parent” means Eclipse Resources Corporation, a Delaware corporation.

(b) Amendment to Section 9.01(b) of the Credit Agreement. Section 9.01(b)(i) of the Credit Agreement is hereby restated in its entirety to read as follows:

(i) (A) consolidated current assets (excluding non-cash assets under ASC 815) plus (without duplication) (B) the unused amount of the total Commitments

1 [THIRD AMENDMENT TO CREDIT AGREEMENT]

(but only to the extent that the Borrower is permitted to borrow such amount under the terms of this Agreement, including, without limitation, Section 6.02 hereof) plus (without duplication) (C) the aggregate amount of unrestricted cash and Cash Equivalents of Ultimate Parent that have been deposited in a deposit account pursuant to which the Administrative Agent has been granted a perfected security interest pursuant to documentation in form and substance satisfactory to the Administrative Agent

(c) Amendment to Section 9.02(f) of the Credit Agreement. Section 9.02(f) of the Credit Agreement is hereby amended by replacing the phrase “required by Governmental Requirements” with the phrase “incurred in the ordinary course of business”.

(d) Amendment to Section 9.05 of the Credit Agreement. Section 9.05 of the Credit Agreement is hereby restated in its entirety to read as follows:

Section 9.05 Investments, Loans and Advances. The Borrower will not, and will not permit any Restricted Subsidiary to, make or permit to remain outstanding any Investments in or to any Person, except that the foregoing restriction shall not apply to:

(a) Investments as of the Effective Date which are disclosed to the Lenders in Schedule 9.05;

(b) accounts receivable arising in the ordinary course of business, or any receivable or discount that the Borrower or any Restricted Subsidiary is permitted to sell or make under Section 9.10;

(c) direct obligations of (or obligations guaranteed by) (i) the United States or any state or commonwealth of the United States or (ii) any agency, political subdivision, or public instrumentality of any of the foregoing which, at the time of acquisition, having a debt rating of at least A- (or then equivalent rating) from S&P or A3 (or then equivalent rating) from Moody’s, in each case maturing within one year from the date of acquisition thereof;

(d) securities issued or directly and fully guaranteed or insured by the United States government or any agency or instrumentality of the United States government (provided, that the full faith and credit of the United States is pledged in support of those securities) having maturities of not more than one year from the date of acquisition thereof;

(e) commercial paper maturing within one year from the date of acquisition thereof having one of the two highest ratings obtainable by S&P or Moody’s;

(f) deposits, including certificates of deposit, demand deposits, eurodollar time deposits, bankers acceptances and overnight bank

2 [THIRD AMENDMENT TO CREDIT AGREEMENT]

deposits, maturing within one year from the date of acquisition thereof with, including certificates of deposit issued by, any Lender or any office located in the United States of any other bank or trust company which is organized under the laws of the United States or any state thereof, has capital, surplus and undivided profits aggregating at least $100,000,000 (as of the date of such bank or trust company’s most recent financial reports) and has a short term deposit rating of no lower than A2 or P2, as such rating is set forth from time to time, by S&P or Moody’s, respectively;

(g) repurchase obligations with a term of not more than seven days for underlying securities of the types described in clauses (c), (d) and (f) above entered into with any financial institution meeting the qualifications specified in clause (f) above;

(h) deposits in money market funds investing at least 95% in Investments described in clauses (c) through (g) above;

(i) Investments (i) made by the Borrower in or to any Guarantors or (ii) made by Restricted Subsidiary in or to the Borrower or any other Guarantor;

(j) Investments consisting of Swap Agreements to the extent permitted by Section 9.18;

(k) Investments in Unrestricted Subsidiaries, provided that (i) no Default, or Event of Default then exists or would result therefrom, (ii) the aggregate outstanding amount (i.e. the amount of such Investments (valued at the time made) less the aggregate amount of cash payments received after the Effective Date by the Borrower or its Restricted Subsidiaries in respect of returns of capital associated with such Investments) does not exceed the greater of (A) $10,000,000 and (B) ten percent (10%) of the Borrowing Base then in effect, and (iii) the Total Commitments Utilization Percentage is less than 80% immediately before and immediately after giving effect to such Investment;

(l) loans or advances to employees of the Borrower or any Restricted Subsidiary made in the ordinary course of business of the Borrower or such Restricted Subsidiary in an aggregate principal amount not to exceed at any one time outstanding the greater of (i) $500,000 and (ii) two and one-half percent (2.5%) of the Borrowing Base then in effect; and

(m) other Investments in an aggregate outstanding amount (i.e. the amount of such Investments (valued at the time made) less the aggregate amount of cash payments received after the Effective Date by the Borrower or its Restricted Subsidiaries in respect of returns of capital associated with such Investments) not to exceed at any time the greater of

3 [THIRD AMENDMENT TO CREDIT AGREEMENT]

(i) $10,000,000 and (ii) ten percent (10%) of the Borrowing Base then in effect.

3. Conditions Precedent. This Amendment shall become effective on the date (such date, the “Third Amendment Effective Date”), when each of the following conditions is satisfied (or waived in accordance with Section 12.02):

(i) The Administrative Agent shall have received from the Majority Lenders, the Administrative Agent, the Borrower and each Guarantor, counterparts (in such number as may be reasonably requested by the Administrative Agent) of this Amendment signed on behalf of such Person.

(ii) No Default shall have occurred and be continuing as of the date hereof, after giving effect to the terms of this Amendment.

4. Miscellaneous.

(a) Confirmation. The provisions of the Credit Agreement, as amended by this Amendment, remain in full force and effect following the effectiveness of this Amendment.

(b) Ratification and Affirmation; Representations and Warranties. Each of the Borrower and each Guarantor hereby:

(i) acknowledges the terms of this Amendment,

(ii) ratifies and affirms their respective obligations, and acknowledges their respective continued liability, under each Loan Document to which it is a party and agrees that each Loan Document to which it is a party remains in full force and effect as expressly amended hereby, and

(iii) represents and warrants to the Lenders that as of the date hereof, immediately after giving effect to the terms of this Amendment, all of the Borrower’s and such Guarantor’s, as applicable, respective representations and warranties contained in each Loan Document to which it is a party are true and correct in all material respects, except that (i) to the extent any such representations and warranties are expressly limited to an earlier date, as of the date hereof, after giving effect to the terms of this Amendment, such representation and warranty continues to be true and correct in all material respects as of such specified earlier date and (ii) to the extent that any such representation and warranty is qualified by materiality, such representation and warranty (as so qualified) is true and correct in all respects.

(c) Counterparts. This Amendment may be executed in counterparts (and by different parties hereto on different counterparts), each of which shall constitute an original, but all of which when taken together shall constitute a single contract. Delivery of an executed counterpart of a signature page to this Amendment by facsimile transmission or other electronic transmission (e.g., ..pdf) shall be effective as delivery of a manually executed counterpart hereof.

4 [THIRD AMENDMENT TO CREDIT AGREEMENT]

(d) NO ORAL AGREEMENT. THIS AMENDMENT, THE CREDIT AGREEMENT AND THE OTHER LOAN DOCUMENTS EXECUTED IN CONNECTION HEREWITH AND THEREWITH REPRESENT THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR UNWRITTEN ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO SUBSEQUENT ORAL AGREEMENTS BETWEEN THE PARTIES.

(e) GOVERNING LAW. THIS AMENDMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

(f) Payment of Expenses. In accordance with Section 12.03 of the Credit Agreement, the Borrower agrees to pay or reimburse the Administrative Agent for all of its reasonable out-of-pocket costs and reasonable expenses incurred in connection with this Amendment, any other documents prepared in connection herewith and the transactions contemplated hereby, including, without limitation, the reasonable fees, charges and disbursements of one counsel to the Administrative Agent.

(g) Severability. Any provision of this Amendment which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction.

(h) Successors and Assigns. This Amendment shall be binding upon and inure to the benefit of the parties to the Credit Agreement and their respective successors and permitted assigns.

(i) Loan Document. This Amendment is a Loan Document.

[SIGNATURES BEGIN NEXT PAGE]

5 [THIRD AMENDMENT TO CREDIT AGREEMENT]

IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed as of the date first written above.

BORROWER:

ECLIPSE RESOURCES I, LP
By:	/s/ Matthew R. DeNezza
Name:	Matthew R. DeNezza
Title:	EVP & CFO

GUARANTORS:

ECLIPSE RESOURCES CORPORATION
By:	/s/ Matthew R. DeNezza
Name:	Matthew R. DeNezza
Title:	EVP & CFO
ECLIPSE RESOURCES—OHIO, LLC
By:	/s/ Matthew R. DeNezza
Name:	Matthew R. DeNezza
Title:	EVP & CFO
BUCKEYE MINERALS & ROYALTIES, LLC
By:	/s/ Matthew R. DeNezza
Name:	Matthew R. DeNezza
Title:	EVP & CFO

[SIGNATURE PAGE TO THIRD AMENDMENT TO CREDIT AGREEMENT]

BANK OF MONTREAL, as Administrative Agent and as a Lender
By:	/s/ Kevin Utsey
Name:	Kevin Utsey
Title:	Director

[SIGNATURE PAGE TO THIRD AMENDMENT TO CREDIT AGREEMENT]

KEYBANK NATIONAL ASSOCIATION, as Syndication Agent and as Lender
By:	/s/ Sherrie I. Manson
Name:	Sherrie I. Manson
Title:	Senior Vice President

[SIGNATURE PAGE TO THIRD AMENDMENT TO CREDIT AGREEMENT]

GOLDMAN SACHS BANK USA, as a Lender
By:	/s/ Ashwin Ramakrishna
Name:	Ashwin Ramakrishna
Title:	Authorized Signatory

[SIGNATURE PAGE TO THIRD AMENDMENT TO CREDIT AGREEMENT]

MORGAN STANLEY BANK, N.A., as a Lender
By:	/s/ Christopher Winthrop
Name:	Christopher Winthrop
Title:	Authorized Signatory

[SIGNATURE PAGE TO THIRD AMENDMENT TO CREDIT AGREEMENT]

CITIBANK, N.A., as a Lender
By:	/s/ Eamon Baqui
Name:	Eamon Baqui
Title:	Vice President

[SIGNATURE PAGE TO THIRD AMENDMENT TO CREDIT AGREEMENT]

EX-23.1

Exhibit 23.1

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

We hereby consent to all references to our firm included in this Quarterly Report on Form 10-Q of Eclipse Resources Corporation filed pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934.

NETHERLAND, SEWELL & ASSOCIATES, INC.
By:	/s/ C.H. (Scott) Rees III
	C.H. (Scott) Rees III, P.E.
	Chairman and Chief Executive Officer

Dallas, Texas

November 12, 2014

Please be advised that the digital document you are viewing is provided by Netherland, Sewell & Associates, Inc. (NSAI) as a convenience to our clients. The digital document is intended to be substantively the same as the original signed document maintained by NSAI. The digital document is subject to the parameters, limitations, and conditions stated in the original document. In the event of any differences between the digital document and the original document, the original document shall control and supersede the digital document.

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Benjamin W. Hulburt, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Eclipse Resources 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 officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

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

(b) 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

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

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

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

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

November 12, 2014

/s/ Benjamin W. Hulburt

Benjamin W. Hulburt

Chairman, President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Matthew R. DeNezza, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Eclipse Resources 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 officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

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

(b) 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

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

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

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

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

November 12, 2014

/s/ Matthew R. DeNezza

Matthew R. DeNezza

Executive Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with this report of Eclipse Resources Corporation (the “Company”) on Form 10-Q for the period ended September 30, 2014, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Benjamin W. Hulburt, Chairman, President and Chief Executive Officer of the Company hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

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

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

	ECLIPSE RESOURCES CORPORATION.
November 12, 2014	/s/ Benjamin W. Hulburt
	Benjamin W. Hulburt
	Chairman, President and Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with this report of Eclipse Resources Corporation (the “Company”) on Form 10-Q for the period ended September 30, 2014, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Matthew R. DeNezza, Executive Vice President and Chief Financial Officer of the Company hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

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

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

	ECLIPSE RESOURCES CORPORATION.
November 12, 2014	/s/ Matthew R. DeNezza
	Matthew R. DeNezza
	Executive Vice President and Chief Financial Officer

XML

Acquisitions - Summary of Pro Forma Financial Information (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract]
Oil and natural gas sales	$ 13,071
Net loss	$ (40,018)

XML

Equity - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total compensation cost related to the issuance of Incentive Units	$ 0.1
Common Class C1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Number of shares authorized to be issue	1,000
Common Class C2 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Number of shares authorized to be issue	1,000

XML

Benefit Plans - Components of Pension Benefit Cost (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost		$ 70
Interest cost	71	263
Expected return on plan assets	(112)	(336)
Amortization of transition obligations		70
Amortization of net loss	(1)	2
Net benefit cost	$ (42)	$ 69

XML

Summary of Significant Accounting Policies - Summary of Property and Equipment Including Oil and Natural Gas Properties (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Oil and natural gas properties:
Unproved	$ 1,169,813	$ 926,812
Proved	397,154	88,932
Gross oil and natural gas properties	1,631,581	1,024,340
Less accumulated depreciation, depletion and amortization	(64,614)	(8,596)
Total oil and natural gas properties, net	1,566,967	1,015,744
Other property and equipment	7,734	2,392
Less accumulated depreciation	(605)	(52)
Other property and equipment, net	7,129	2,340
Total property and equipment, net	$ 1,574,096	$ 1,018,084

XML

Acquisitions (Tables)

9 Months Ended

Sep. 30, 2014

Business Combinations [Abstract]

Summary of Purchase Price Allocation of Assets Acquired and Liabilities Assumed

The following table summarizes the purchase price allocation and the values of assets acquired and liabilities assumed (in thousands):

Purchase Price	June 26, 2013
Consideration given
Cash	$	652,500
Allocation of Purchase Price
Unproved properties		621,039
Proved properties		40,914
Cash		653
Building and land		1,500
Total assets		664,106
Asset retirement obligations		(8,378	)
Pension obligation		(2,522	)
Other working capital		(706	)
Fair value of net assets acquired	$	652,500

Summary of Pro Forma Financial Information

The pro forma results are not necessarily indicative of what actually would have occurred if the acquisition had been completed as of January 1, 2013, nor are they necessarily indicative of future results (in thousands).

	For the Nine Months Ended September 30, 2013
Oil and natural gas sales	$	13,071
Net loss	$	(40,018	)

XML

Related Party Transactions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	9 Months Ended	0 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Jun. 23, 2014	Sep. 30, 2013	Jun. 24, 2014 Eclipse Resources Operating, LLC ("Eclipse Operating") [Member]	Sep. 30, 2014 Eclipse Resources Operating, LLC ("Eclipse Operating") [Member]	Dec. 31, 2010 President and Chief Executive Officer of Eclipse I, its Executive Vice President, Secretary, and General Counsel and its Executive Vice President and Chief Operating Officer [Member]
Related Party Transaction [Line Items]
Percentage of membership units owned by related party						33.00%
Total consideration				$ 0.1	$ 0.1
Management fee for operation	$ 3.8	$ 15.6	$ 8.4

XML

Derivative Financial Instruments - Summary of Gains and Losses on Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss)/Gain Recognized in Income	$ 5,572		$ 1,098
Commodity Contract [Member] | Gain on Derivative Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss)/Gain Recognized in Income	$ 5,572		$ 1,098

XML

Acquisitions - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended			0 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Jun. 26, 2013 Oxford [Member]	Sep. 30, 2014 Oxford [Member] acre	Jun. 26, 2013 Oxford [Member] acre	Jun. 24, 2014 Eclipse Resources Operating, LLC ("Eclipse Operating") [Member]	Sep. 30, 2014 Eclipse Resources Operating, LLC ("Eclipse Operating") [Member]	Sep. 30, 2013 Pro Forma Financial Information [Member]
Business Acquisition [Line Items]
Total consideration								$ 100,000	$ 100,000
Recognized gain on bargain purchase			1,585,000					1,600,000
Acquired percentage of outstanding equity interests							100.00%
Area of leasehold property held						46,549	181,000
Aggregate purchase price					652,500,000
Escrow withheld from initial purchase price							32,500,000
Depletion, depreciation, amortization and accretion expense	29,983,000	2,462,000	51,967,000	3,445,000						7,000,000
Amortization of financing costs			1,314,000	647,000						400,000
Amortization of debt discount			1,711,000							600,000
Interest expense										$ 10,300,000

XML

Income Tax - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Percentage of annual effective income tax benefit	34.80%
Income taxes paid	$ 0
Valuation allowance	0
Reserve for uncertain tax positions	$ 0

XML

Benefit Plans - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]
Gain on reduction of pension liability	$ 0	$ 0	$ 2,208,000	$ 0
Defined benefit plan, employer contributions			$ 0

XML

Organization and Nature of Operations

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Organization and Nature of Operations

Note 1—Organization and Nature of Operations

Eclipse Resources Corporation (the “Company”) was formed on February 13, 2014, pursuant to the laws of the State of Delaware to become a holding company for Eclipse Resources I, LP (“Eclipse I”). Eclipse I is engaged in the acquisition and development of oil and natural gas properties in the Appalachian Basin of the United States, which encompasses the Utica Shale and Marcellus Shale prospective areas.

On June 24, 2014 prior to the completion of the IPO, a Corporate Reorganization was completed. As a part of this corporate reorganization the following transactions occurred (collectively, the “Corporate Reorganization”):

• the acquisition by Eclipse I of all of the outstanding equity interests in Eclipse Resources Operating, LLC (“Eclipse Operating”);

• the contribution of equity interests in Eclipse I to Eclipse Resources Holdings, L.P. (“Eclipse Holdings”) by its then limited partners in exchange for similar equity interests in Eclipse Holdings;

• the transfer of the outstanding equity interests in Eclipse I GP, the general partner of Eclipse I, to Eclipse Holdings; and

• the contribution of equity interests in Eclipse I and the outstanding equity interests in Eclipse I GP, LLC, to the Company by Eclipse Holdings in exchange for 138,500,000 shares of common stock.

As a result of the Corporate Reorganization, the Company became a majority controlled direct subsidiary of Eclipse Holdings, and Eclipse I became a direct subsidiary of the Company. Each of the transactions that occurred as part of the Corporate Reorganization have been accounted for as a reorganization of entities under common control, with the exception of the acquisition of the outstanding equity interests of Eclipse Operating by Eclipse I, which has been accounted for as a business combination using the acquisition method (See “Note 4—Acquisitions”).

On June 25, 2014, the Company completed the initial public offering (“IPO”) of 30,300,000 shares of $0.01 par value common stock, which included 21,500,000 shares sold by the Company and 8,800,000 shares sold by certain selling stockholders.

The gross proceeds to the Company and selling stockholders were approximately $818.1 million, which resulted in net proceeds to the Company of approximately $544.7 million after deducting expenses and underwriting discounts and commissions of approximately $35.8 million. The Company did not receive any proceeds from the sale of the shares by the certain selling stockholders. The net proceeds from the IPO were used to repay all of the then outstanding borrowings under the revolving credit facility and the Company expects to use the remaining net proceeds to fund a portion of the capital expenditure plan.

XML

Fair Value Measurements - Schedule of Fair Value Measured on a Recurring Basis (Detail) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Total fair value	$ 2,305
Level 1 [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Total fair value
Level 2 [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Total fair value	2,305
Level 3 [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Total fair value
Commodity Contract [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Total fair value	2,305
Commodity Contract [Member] | Level 1 [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Total fair value
Commodity Contract [Member] | Level 2 [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Total fair value	2,305
Commodity Contract [Member] | Level 3 [Member]
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Total fair value

XML

Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Components of Pension Benefit Cost

The following table details the components of pension benefit cost: (in thousands)

	Three Months Ended September 30,					Nine Months Ended September 30,
	2014			2013		2014			2013
Service cost	$	—		$	—	$	70		$	—
Interest cost		71			—		263			—
Expected return on plan assets		(112	)		—		(336	)		—
Amortization of transition obligations		—			—		70			—
Amortization of net loss		(1	)		—		2			—
Net benefit cost	$	(42	)	$	—	$	69		$	—

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Debt (Tables)

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Summary of Senior Unsecured Notes Redemption Prices

After the Non-Call Period, the Company may redeem all or a part of the Senior Unsecured Notes at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest:

Year following expiration of the Non-Call Period	Redemption Price
Year 1		106.00	%
Year 2		103.00	%
Year 3 and thereafter		100.00	%

XML

Debt - Additional Information (Detail) (USD $)				9 Months Ended		0 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2014 Minimum [Member]	Sep. 30, 2014 Maximum [Member]	Jun. 26, 2013 12% Senior Unsecured PIK Notes Due 2018 [Member]	Dec. 31, 2013 12% Senior Unsecured PIK Notes Due 2018 [Member]	Sep. 30, 2014 12% Senior Unsecured PIK Notes Due 2018 [Member]	Sep. 30, 2014 12% Senior Unsecured PIK Notes Due 2018 [Member]	Jan. 15, 2014 12% Senior Unsecured PIK Notes Due 2018 [Member]	Jun. 26, 2013 12% Senior Unsecured PIK Notes Due 2018 [Member]	Sep. 30, 2014 12% Senior Unsecured PIK Notes Due 2018 [Member] Interest Paid in Cash [Member]	Sep. 30, 2014 12% Senior Unsecured PIK Notes Due 2018 [Member] Paid In Kind Interest [Member]	Jan. 15, 2014 12% Senior Unsecured PIK Notes Due 2018 [Member] Paid In Kind Interest [Member]	Sep. 30, 2014 12% Senior Unsecured PIK Notes Due 2018 [Member] Level 2 [Member]
Debt Instrument [Line Items]
Aggregate principal amount							$ 100,000,000				$ 300,000,000
Debt instrument interest rate											12.00%	12.00%	13.00%
Notes issued percentage of par											96.00%
Proceeds from debt instrument						280,700,000	100,000,000
Debt discount	9,000,000		10,800,000				0				12,000,000
Offering expenses						7,300,000	200,000
Amortization of deferred financing costs and debt discount								1,000,000	3,000,000
Senior unsecured notes redemption price description									The Company has the right to redeem all or a portion of the Senior Unsecured Notes prior to the 2-year anniversary of the final funding date, which the Company refers to as the Non-Call Period, by paying a redemption price equal to 100.0% times a “make whole premium” equal to the greater of 106.0% or an amount computed under the Indenture governing the Senior Unsecured Notes (the “Indenture”) plus accrued and unpaid interest.
Percentage of interest payments per annum												6.00%	7.00%
Accrued interest								10,600,000	10,600,000	25,300,000				22,500,000
Capitalized interest expense								3,700,000	6,300,000
Interest payments terms									Interest is payable on July 15 and January 15 each year, beginning in January 2014
Principal amount outstanding								422,500,000	422,500,000
Fair value															484,000,000
Revolving credit facility		500,000,000
Borrowing base	100,000,000
Outstanding letters of credit	25,000,000
Outstanding borrowings	0
Available capacity on the Revolving Credit Facility	$ 75,000,000
Commitment fees on unused portion of revolving credit facility				0.375%	0.50%

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Earnings (Loss) Per Share and Pro Forma Earnings (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Schedule of Earnings Per Share

The following is a calculation of the basic and diluted weighted-average number of shares of common stock outstanding and EPS for the nine months ended September 30, 2014.

(in thousands, except per share data)	Three Months Ended September 30, 2014			Nine Months Ended September 30, 2014
Loss (numerator):
Net loss	$	(19,054	)	$	(150,153	)
Weighted-average shares (denominator):
Weighted-average number of shares of common stock—basic and diluted		160,000			139,102
Loss per share:
Basic and diluted	$	(0.12	)	$	(1.08	)

Pro Forma EPS [Member]

Schedule of Earnings Per Share

A reconciliation of the components of pro forma basic and diluted earnings per common share is presented in the table below:

	Three Months Ended September 30, 2014			Nine Months Ended September 30, 2014
Numerator:
Loss before taxes, as reported	$	(29,598	)	$	(66,156	)
Pro forma provision for income tax benefit		10,359			23,155
Pro forma net loss	$	(19,239	)	$	(43,001	)
Denominator:
Weighted-average number of common shares outstanding—basic and diluted		160,000			160,000
Net income per share:
Basic and diluted	$	(0.12	)	$	(0.27	)

XML

Organization and Nature of Operations - Additional information (Detail) (USD $)	0 Months Ended		9 Months Ended
	Jun. 24, 2014	Jun. 25, 2014	Sep. 30, 2014
Business Acquisition [Line Items]
Non cash exchange of common share	138,500,000
Shares Issued		30,300,000
Common stock par value		$ 0.01	$ 0.01
Gross proceed to the company and selling stockholders		$ 818,100,000
Net proceeds from initial public offering		544,700,000
Underwriting discount and commissions			5,303,000
Stock Soldby Company [Member]
Business Acquisition [Line Items]
Shares Issued		21,500,000
Stock Soldby Selling Stockholders [Member]
Business Acquisition [Line Items]
Shares Issued		8,800,000
IPO [Member]
Business Acquisition [Line Items]
Underwriting discount and commissions		$ 35,800,000

XML

Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (150,153)	$ (23,983)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities
Depreciation, depletion and amortization	51,967	3,445
Exploration expense	16,897	470
Pension benefit costs	69
Incentive unit compensation	87
Impairment of oil and gas properties	4,605
Accretion of asset retirement obligations	575	234
Gain on reduction of pension liability	(2,208)	0
Gain on derivative instruments	(1,098)
Net cash payments on settled derivatives	(1,647)
Net cash payments on option premiums	(385)
Gain on business acquisition	(1,585)
Deferred income taxes	83,997
Interest not paid in cash	2,166	10,508
Amortization of deferred financing costs	1,314	647
Amortization of debt discount	1,711
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(37,187)	(4,966)
Other assets	(1,213)	(1,401)
Accounts payable and accrued liabilities	21,270	3,954
Accrued liabilities-affiliate	(1,951)
Net cash used in operating activities	(12,769)	(11,092)
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures for oil and gas properties	(507,756)	(153,390)
Capital expenditures for other property and equipment	(2,986)
Proceeds from the sale of oil and gas properties		8,497
Acquisition of business, net of cash acquired	754	(651,847)
Net cash used in investing activities	(509,988)	(796,740)
CASH FLOWS FROM FINANCING ACTIVITIES
Debt issuance costs	(1,232)	(6,890)
Capital contributions	124,667	583,595
Proceeds from issuance of common stock, net of underwriting fees	550,025
Initial public offering costs	(5,303)
Repayments (borrowings) under revolving credit facility
Proceeds from issuance of long-term debt		288,000
Repayments of long-term debt	(166)
Net cash provided by financing activities	667,991	864,705
Net increase in cash and cash equivalents	145,234	56,873
Cash and cash equivalents at beginning of period	109,509	27,057
Cash and cash equivalents at end of period	254,743	83,930
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest	25,865
Cash paid for income taxes
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITIES:
Asset retirement obligations incurred, including changes in estimate	420
Additions of other property through debt financing	823
Additions to oil and natural gas properties-changes in accounts payable, accrued liabilities, and accrued capital expenditures	114,639	8,256
Interest paid-in-kind	$ 22,461

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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Segment	Sep. 30, 2013	Dec. 31, 2013
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable	$ 47,026,000		$ 47,026,000		$ 8,678,000
Defined benefit pension plan under-funded	715,000		715,000		1,497,000
Gain on reduction of pension liability	0	0	2,208,000	0
DD&A expense relating to proved oil and natural gas properties	29,983,000	2,462,000	51,967,000	3,445,000
Impairment of oil and gas properties	4,605,000		4,605,000
Ownership percentage in Eclipse I and Eclipse Operating	100.00%		100.00%
Deferred tax liability	94,400,000		94,400,000
Asset retirement obligations credit adjusted discount rates			8.96%
Number of operating segment			1
Oil and Gas Properties [Member]
Summary Of Significant Accounting Policies [Line Items]
DD&A expense relating to proved oil and natural gas properties	29,600,000	2,200,000	51,400,000	3,200,000
Other property and equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Depreciation	400,000	200,000	600,000	200,000
Other property and equipment [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Property and equipment, expected lives			5 years
Other property and equipment [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Property and equipment, expected lives			40 years
Unproved Oil And Gas Properties [Member]
Summary Of Significant Accounting Policies [Line Items]
Impairment of oil and gas properties	500,000	0	4,200,000	0
Proved Oil And Gas Properties [Member]
Summary Of Significant Accounting Policies [Line Items]
Impairment of oil and gas properties	4,605,000	0	4,605,000	0
Commodity Contract [Member] | Not Designated as Hedging Instrument [Member]
Summary Of Significant Accounting Policies [Line Items]
Fair value of commodity derivative contracts	2,305,000		2,305,000
Sales Revenue, Net [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of customers	2	4	2	4
Unbilled Revenues [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable	$ 23,900,000		$ 23,900,000		$ 4,100,000

XML

Derivative Financial Instruments - Summary of Derivative Instrument Positions for Future Production Periods (Detail)	9 Months Ended
	Sep. 30, 2014 MMBTU
Swap [Member] | Production Period October 2014 - December 2014 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume (MMBtu/d)	30,000
Weighted Average Price ($/MMBtu)	4.121
Swap [Member] | Production Period January 2015 - December 2015 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume (MMBtu/d)	26,219
Weighted Average Price ($/MMBtu)	4.071
Swap [Member] | Production Period November 2014 - March 2015 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume (MMBtu/d)	25,000
Weighted Average Price ($/MMBtu)	(1.067)
Swap [Member] | Production Period April 2015 - October 2015 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume (MMBtu/d)	25,000
Weighted Average Price ($/MMBtu)	(1.208)
Put Option [Member] | Purchased Put [Member] | Production Period October 2014 - December 2014 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume (MMBtu/d)	20,000
Weighted Average Price ($/MMBtu)	4.500
Put Option [Member] | Purchased Put [Member] | Production Period October 2014 - March 2015 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume (MMBtu/d)	5,000
Weighted Average Price ($/MMBtu)	4.000
Put Option [Member] | Sold Put [Member] | Production Period October 2014 - December 2014 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume (MMBtu/d)	20,000
Weighted Average Price ($/MMBtu)	4.000
Put Option [Member] | Sold Put [Member] | Production Period January 2015 - December 2015 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume (MMBtu/d)	16,800
Weighted Average Price ($/MMBtu)	3.350
Call Option [Member] | Sold Put [Member] | Production Period October 2014 - March 2015 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volume (MMBtu/d)	5,000
Weighted Average Price ($/MMBtu)	4.750

XML

Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
CURRENT ASSETS
Cash and cash equivalents	$ 254,743	$ 109,509
Accounts receivable	47,026	8,678
Other current assets	4,489	594
Deferred tax asset	1,543
Total current assets	307,801	118,781
Oil and natural gas properties, successful efforts method:
Unproved properties	1,169,813	926,812
Proved oil and gas properties, net	397,154	88,932
Other property and equipment, net	7,129	2,340
Total property and equipment, net	1,574,096	1,018,084
OTHER NONCURRENT ASSETS
Debt issue costs, net of $2.1 million and $0.8 million of amortization, respectively	6,488	6,570
Other assets	300	88
Total other noncurrent assets	6,788	6,658
TOTAL ASSETS	1,888,685	1,143,523
CURRENT LIABILITIES
Accounts payable	130,319	29,368
Accrued capital expenditures	39,350	19,200
Accrued liabilities	12,487	4,940
Accrued interest payable	10,576	20,294
Accrued liabilities-related party		1,951
Total current liabilities	192,732	75,753
NONCURRENT LIABILITIES
Debt, net of unamortized discount of $9.0 million and $10.8 million, respectively	413,419	389,247
Credit facility
Pension liabilities	715	1,497
Asset retirement obligations	10,050	9,055
Deferred taxes	85,833
Total noncurrent liabilities	510,017	399,799
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY AND PARTNERS' CAPITAL
Partners' capital		666,803
Preferred stock, 50,000 shares authorized, No shares issued and outstanding at September 30, 2014 and December 31, 2013
Common stock, $0.01 par value, 1,000,000 authorized, 160,000 issued and outstanding at September 30, 2014. No shares authorized, issued, or outstanding at December 31, 2013	1,600
Additional paid in capital	1,390,848
Accumulated deficit	(206,322)
Accumulated other comprehensive income (loss)	(190)	1,168
Total stockholders' equity and partners' capital	1,185,936	667,971
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY AND PARTNERS' CAPITAL	$ 1,888,685	$ 1,143,523

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Debt - Summary of Senior Unsecured Notes Redemption Prices (Detail) (12% Senior Unsecured PIK Notes Due 2018 [Member])	9 Months Ended
	Sep. 30, 2014
Year 1 [Member]
Debt Instrument, Redemption [Line Items]
Senior unsecured notes redemption price, percentage	106.00%
Year 2 [Member]
Debt Instrument, Redemption [Line Items]
Senior unsecured notes redemption price, percentage	103.00%
Year 3 and thereafter [Member]
Debt Instrument, Redemption [Line Items]
Senior unsecured notes redemption price, percentage	100.00%

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Condensed Consolidated Statement of Stockholders' Equity and Partners' Capital (USD $) In Thousands	Total	Partners' Capital [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2013	$ 667,971	$ 666,803				$ 1,168
Net loss	(150,153)				(150,153)
Capital contributions	124,667	124,667
Incentive unit compensation	87	87
Pension obligation adjustment	(1,358)					(1,358)
IPO proceeds	550,025		1,600	548,425
IPO offering costs	(5,303)			(5,303)
Effect of corporate reorganization		(791,557)		847,726	(56,169)
Balance at Sep. 30, 2014	$ 1,185,936		$ 1,600	$ 1,390,848	$ (206,322)	$ (190)

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Summary of Significant Accounting Policies - Summary for Concentration of Receivables, Net Of Allowances, By Product or Service (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Revenue, Major Customer [Line Items]
Concentration of receivables, net of allowances	$ 47,026	$ 8,678
Product Concentration Risk [Member] | Oil And Natural Gas And Related Products And Services [Member]
Revenue, Major Customer [Line Items]
Concentration of receivables, net of allowances	23,925	4,092
Product Concentration Risk [Member] | Joint interest owners [Member]
Revenue, Major Customer [Line Items]
Concentration of receivables, net of allowances	22,661	4,586
Product Concentration Risk [Member] | Miscellaneous other [Member]
Revenue, Major Customer [Line Items]
Concentration of receivables, net of allowances	$ 440

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Subsequent Events

9 Months Ended

Sep. 30, 2014

Subsequent Events [Abstract]

Subsequent Events

Note 14—Subsequent Events

Management has evaluated subsequent events and believes that there are no events that would have a material impact on the aforementioned financial statements and related disclosures.

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Summary of Significant Accounting Policies - Changes in Company's Asset Retirement Obligation Liability (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Asset Retirement Obligation [Abstract]
Asset retirement obligations, beginning of period			$ 9,055
Additional liabilities incurred			420
Accretion	198	117	575	234
Asset retirement obligations, end of period	$ 10,050		$ 10,050

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Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2014

Summary of Property and Equipment Including Oil and Natural Gas Properties

A summary of property and equipment including oil and natural gas properties is as follows (in thousands):

	September 30, 2014			December 31, 2013
Oil and natural gas properties:
Unproved	$	1,169,813		$	926,812
Proved		461,768			97,528
Gross oil and natural gas properties		1,631,581			1,024,340
Less accumulated depreciation, depletion and amortization		(64,614	)		(8,596	)
Oil and natural gas properties, net		1,566,967			1,015,744
Other property and equipment		7,734			2,392
Less accumulated depreciation		(605	)		(52	)
Other property and equipment, net		7,129			2,340
Property and equipment, net	$	1,574,096		$	1,018,084

Changes in Company's Asset Retirement Obligation Liability

The following table sets forth the changes in the Company’s ARO liability for the period indicated (in thousands):

	Nine Months Ended September 30, 2014
Asset retirement obligations, beginning of period	$	9,055
Additional liabilities incurred		420
Accretion		575
Asset retirement obligations, end of period	$	10,050

Product Concentration Risk [Member] | Accounts Receivable [Member]

Concentration Risk

The following table summarizes concentration of receivables, net of allowances, by product or service as of September 30, 2014 and December 31, 2013 (in thousands):

	September 30, 2014		December 31, 2013
Receivables by product or service:
Sale of oil and natural gas and related products and services	$	23,925	$	4,092
Joint interest owners		22,661		4,586
Miscellaneous other		440		—
Total	$	47,026	$	8,678

Customer Concentration Risk [Member] | Sales Revenue, Net [Member]

Concentration Risk

The following table sets forth the Company’s major customers and associated percentage of revenue for the periods indicated:

	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2014	2013	2014	2013
Purchaser
Antero Resources Corporation	48%	19%	57%	26%
ARM Energy Management	26%	—	20%	—
Condevco	4%	28%	5%	26%
Dominion East Ohio	3%	19%	4%	17%
Ergon	2%	14%	2%	12%
Total	83%	80%	88%	81%

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Condensed Consolidated Statement of Stockholders' Equity and Partners' Capital (Parenthetical) (USD $)	Sep. 30, 2014	Jun. 25, 2014
Statement of Stockholders' Equity [Abstract]
Common stock, par value	$ 0.01	$ 0.01

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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Debt issuance costs, amortization	$ 2.1	$ 0.8
Debt, unamortized discount	$ 9.0	$ 10.8
Preferred stock, authorized	50,000,000	0
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Common stock, par value	$ 0.01
Common stock, authorized	1,000,000,000	0
Common stock, issued	160,000,000	0
Common stock, outstanding	160,000,000	0

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Equity

9 Months Ended

Sep. 30, 2014

Equity [Abstract]

Equity

Note 9—Equity

Eclipse Holdings has a total of 1,000 Class C-1 units and 1,000 Class C-2 units authorized to be issued to employees (“Incentive Units”). The Series C-1 and C-2 Incentive Units are non-voting with respect to partnership matters, and the holder thereof will begin to participate in distributions from Eclipse Holdings after distributions have been made to the holders of the Series A-1 and A-2 units that satisfy a specified hurdle rate and return on investment factor, with the level of participation in distributions adjusting upwards as distributions to the holders of the Series A-1 and A-2 units satisfy additional specified hurdle rates and return on investment factors.

Total compensation expense related to the Incentive Units was less than $0.1 million as of September 30, 2014.

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Document and Entity Information	9 Months Ended
	Sep. 30, 2014	Nov. 12, 2014
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q3
Trading Symbol	ECR
Entity Registrant Name	Eclipse Resources Corp
Entity Central Index Key	0001600470
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		160,031,115

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Earnings (Loss) Per Share and Pro Forma Earnings (Loss) Per Share

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Earnings (Loss) Per Share and Pro Forma Earnings (Loss) Per Share

Note 10—Earnings (Loss) Per Share and Pro Forma Earnings (Loss) Per Share

Earnings Per Share

Basic earnings (loss) per share (“EPS”) is computed by dividing net income (loss) by the weighted-average number of shares of common stock outstanding during the period. Diluted EPS takes into account the dilutive effect of potential common stock that could be issued by the Company in conjunction with any stock awards that have been granted to directors and employees. In accordance with FASB ASC Topic 260, awards of non-vested shares shall be considered to be outstanding as of the grant date for purposes of computing diluted EPS even though their exercise is contingent upon vesting. The following is a calculation of the basic and diluted weighted-average number of shares of common stock outstanding and EPS for the nine months ended September 30, 2014.

(in thousands, except per share data)	Three Months Ended September 30, 2014			Nine Months Ended September 30, 2014
Loss (numerator):
Net loss	$	(19,054	)	$	(150,153	)
Weighted-average shares (denominator):
Weighted-average number of shares of common stock—basic and diluted		160,000			139,102
Loss per share:
Basic and diluted	$	(0.12	)	$	(1.08	)

Pro Forma EPS

The Company’s pro forma basic earnings per share amounts have been computed based on the weighted-average number of shares of common stock outstanding for the period, as if the common shares issued in the IPO were outstanding for the entire period. A reconciliation of the components of pro forma basic and diluted earnings per common share is presented in the table below:

	Three Months Ended September 30, 2014			Nine Months Ended September 30, 2014
Numerator:
Loss before taxes, as reported	$	(29,598	)	$	(66,156	)
Pro forma provision for income tax benefit		10,359			23,155
Pro forma net loss	$	(19,239	)	$	(43,001	)
Denominator:
Weighted-average number of common shares outstanding—basic and diluted		160,000			160,000
Net income per share:
Basic and diluted	$	(0.12	)	$	(0.27	)

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Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
REVENUES
Oil and natural gas sales	$ 35,702	$ 4,510	$ 87,445	$ 5,368
Total revenues	35,702	4,510	87,445	5,368
OPERATING EXPENSES
Lease operating	2,077	1,035	6,511	1,165
Transportation, gathering and compression	6,857	23	10,710	23
Production and ad valorem taxes	2,132	26	3,187	32
Depreciation, depletion and amortization	29,983	2,462	51,967	3,445
Exploration	3,057	350	16,897	470
General and administrative	11,897	6,042	28,720	12,504
Impairment of oil and gas properties	4,605		4,605
Accretion of asset retirement obligations	198	117	575	234
Gain on reduction of pension liability	0	0	(2,208)	0
Total operating expenses	60,806	10,055	120,964	17,873
OPERATING LOSS	(25,104)	(5,545)	(33,519)	(12,505)
OTHER INCOME (EXPENSE)
Gain on derivative instruments	5,572		1,098
Interest expense, net	(10,066)	(10,939)	(35,320)	(11,478)
Other income			1,585
Total other expense, net	(4,494)	(10,939)	(32,637)	(11,478)
LOSS BEFORE INCOME TAXES	(29,598)	(16,484)	(66,156)	(23,983)
INCOME TAX EXPENSE (BENEFIT)	(10,544)		83,997
NET LOSS	$ (19,054)	$ (16,484)	$ (150,153)	$ (23,983)
NET LOSS PER COMMON SHARE
Basic and diluted	$ (0.12)		$ (1.08)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
Basic and diluted	160,000		139,102

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Acquisitions

9 Months Ended

Sep. 30, 2014

Business Combinations [Abstract]

Acquisitions

Note 4—Acquisitions

Eclipse Resources Operating, LLC Acquisition

On June 24, 2014, prior to the closing of the IPO, the Company acquired all of the outstanding equity interests of Eclipse Operating for total consideration of $0.1 million. The fair value of the net assets acquired, consisting primarily of cash, accounts receivable, property and equipment, accounts payable and accrued liabilities exceeded the purchase price paid. As a result, the Company recognized a gain of $1.6 million related to the purchase, which is included in other income on the condensed consolidated statements of operations.

Eclipse Resources-Ohio, LLC Acquisition

On June 26, 2013, Eclipse I acquired (the “Oxford Acquisition”) 100% of the outstanding equity interests of Oxford. Oxford held interests in approximately 181,000 net acres of Utica Shale leaseholds, and related producing properties located primarily in Belmont, Guersney, Monroe, Noble, and Harrison Counties in Ohio along with various other related rights, permits, contracts, equipment and other assets. The aggregate purchase price totaled $652.5 million in cash. The acquisition provided strategic additions adjacent to the Company’s core project area.

The Purchase and Sales Agreement (“PSA”) for the Oxford Acquisition contained customary closing conditions and a $32.5 million escrow which was withheld from the initial purchase price to provide for certain contingencies. The notice period for any claims related to these contingencies expired June 25, 2014 and all amounts were released from escrow to the seller. The acquisition is accounted for using the acquisition method under ASC Topic 805, “Business Combinations” which requires the acquired assets and liabilities to be recorded at fair values as of the acquisition date of July 26, 2013. The following table summarizes the purchase price allocation and the values of assets acquired and liabilities assumed (in thousands):

Purchase Price	June 26, 2013
Consideration given
Cash	$	652,500
Allocation of Purchase Price
Unproved properties		621,039
Proved properties		40,914
Cash		653
Building and land		1,500
Total assets		664,106
Asset retirement obligations		(8,378	)
Pension obligation		(2,522	)
Other working capital		(706	)
Fair value of net assets acquired	$	652,500

The purchase price allocation set forth above represented a significant Level 3 measurement in the fair value hierarchy and was derived in accordance with ASC 805 by an outside third party. The inputs used in such determination were forecasted cash flows, market comparisons, actuarial studies and Oxford’s historical accounting records.

Immediately prior to the completion of the Oxford Acquisition, Oxford merged into Eclipse Resources—Ohio, LLC (“Eclipse Ohio”). Eclipse Ohio is party to various lawsuits, primarily related to the validity of certain oil and gas leases (see “Note 12—Commitments and Contingencies”).

Pro Forma Financial Information (unaudited)

The following unaudited pro forma financial information represents the combined results for the Company and Oxford for the three and nine months ended September 30, 2013 as if the acquisition had occurred on January 1, 2013. The pro forma information includes the effects of adjustments for depreciation, depletion, amortization and accretion expense of $7.0 million, amortization of deferred financing costs of $0.4 million, amortization of debt discount of $0.6 million, and the effects of the incremental interest expense on acquisition financing of $10.3 million for the nine months ended September 30, 2013. The pro forma results do not include any cost savings or other synergies that may result from the acquisition or any estimated costs that have been or will be incurred by the Company to integrate the properties acquired. The pro forma results are not necessarily indicative of what actually would have occurred if the acquisition had been completed as of January 1, 2013, nor are they necessarily indicative of future results (in thousands).

	For the Nine Months Ended September 30, 2013
Oil and natural gas sales	$	13,071
Net loss	$	(40,018	)

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Note 3—Summary of Significant Accounting Policies

(a) Cash and Cash Equivalents

Cash and cash equivalents are comprised of cash in banks and highly liquid instruments with original maturities of three months or less, primarily consisting of bank time deposits and investments in institutional money market funds. The carrying amounts approximate fair value due to the short-term nature of these items. Cash in bank accounts at times may exceed federally insured limits.

(b) Accounts Receivable

Accounts receivable are carried at estimated net realizable value. Receivables deemed uncollectible are charged directly to expense. Trade credit is generally extended on a short-term basis, and therefore, accounts receivable do not bear interest, although a finance charge may be applied to such receivables that are past due. A valuation allowance is provided for those accounts for which collection is estimated as doubtful and uncollectible accounts are written off and charged against the allowance. In estimating the allowance, management considers, among other things, how recently and how frequently payments have been received and the financial position of the party. The Company did not deem any of its accounts receivables to be uncollectable as of September 30, 2014 or December 31, 2013.

The Company accrues revenue due to timing differences between the delivery of natural gas, natural gas liquids (NGLs), and crude oil and the receipt of a delivery statement. These revenues are recorded based upon volumetric data from the Company’s records and management’s estimates of the related commodity sales and transportation and compression fees which are, in turn, based upon applicable product prices. The Company had $23.9 million and $4.1 million of accrued revenues at September 30, 2014 and December 31, 2013, respectively, which were included in accounts receivable within the Company’s condensed consolidated balance sheets.

(c) Property and Equipment

Oil and Natural Gas Properties

The Company follows the successful efforts method of accounting for its oil and natural gas operations. Acquisition costs for oil and natural gas properties, costs of drilling and equipping productive wells, and costs of unsuccessful development wells are capitalized and amortized on an equivalent unit-of-production basis over the life of the remaining related oil and gas reserves. The estimated future costs of dismantlement, restoration, plugging and abandonment of oil and gas properties and related disposal are capitalized when asset retirement obligations are incurred and amortized as part of depreciation, depletion and amortization expense (see “Depreciation, Depletion and Amortization” below).

Costs incurred to acquire producing and non-producing leaseholds are capitalized. All unproved leasehold acquisition costs are initially capitalized, including the cost of leasing agents, title work and due diligence. If the Company acquires leases in a prospective area, these costs are capitalized as unproved leasehold costs. If no leases are acquired by the Company with respect to the initial costs incurred or the Company discontinues leasing in a prospective area, the costs are charged to exploration expense. Unproved leasehold costs that are determined to have proved oil and gas reserves are transferred to proved leasehold costs.

Upon the sale or retirement of a complete field of a proved property, the cost is eliminated from the property accounts, and the resultant gain or loss is reclassified to the Company’s condensed consolidated statements of operations. Upon the sale of an individual well, the proceeds are credited to accumulated depreciation and depletion within the Company’s condensed consolidated balance sheets. Upon sale of an entire interest in an unproved property where the property had been assessed for impairment individually, a gain or loss is recognized in the Company’s condensed consolidated statements of operations. If a partial interest in an unproved property is sold, any funds received are accounted for as a reduction of the cost in the interest retained.

A summary of property and equipment including oil and natural gas properties is as follows (in thousands):

	September 30, 2014			December 31, 2013
Oil and natural gas properties:
Unproved	$	1,169,813		$	926,812
Proved		461,768			97,528
Gross oil and natural gas properties		1,631,581			1,024,340
Less accumulated depreciation, depletion and amortization		(64,614	)		(8,596	)
Oil and natural gas properties, net		1,566,967			1,015,744
Other property and equipment		7,734			2,392
Less accumulated depreciation		(605	)		(52	)
Other property and equipment, net		7,129			2,340
Property and equipment, net	$	1,574,096		$	1,018,084

Exploration expenses, including geological and geophysical expenses and delay rentals for unevaluated oil and gas properties are charged to expense as incurred. Exploratory drilling costs are initially capitalized as unproved property, not subject to depletion, but charged to expense if and when the well is determined not to have found proved oil and gas reserves.

Other Property and Equipment

Other property and equipment include land, buildings, leasehold improvements, vehicles, computer equipment and software, telecommunications equipment, and furniture and fixtures. These items are recorded at cost, or fair value if acquired through a business acquisition.

(d) Revenue Recognition

Oil and natural gas sales revenue is recognized when produced quantities of oil and natural gas are delivered to a custody transfer point such as a pipeline, processing facility or a tank lifting has occurred, persuasive evidence of a sales arrangement exists, the rights and responsibility of ownership pass to the purchaser upon delivery, collection of revenue from the sales is reasonably assured and the sales price is fixed or determinable. Revenues from the sales of natural gas, crude oil or NGLs in which the Company has an interest with other producers are recognized using the sales method on the basis of the Company’s net revenue interest. The Company had no material imbalances as of September 30, 2014 and December 31, 2013.

In accordance with the terms of joint operating agreements, from time to time, the Company may be paid monthly fees for operating or drilling wells for outside owners. The fees are meant to recoup some of the operator’s general and administrative costs in connection with well and drilling operations and are accounted for as credits to general and administrative expense.

(e) Major Customers

The Company sells production volumes to various purchasers. There were two customers that accounted for 10% or more of the total natural gas, NGLs and oil sales for the three and nine months ended September 30, 2014. There were four customers that accounted for 10% or more of the total natural gas, NGLs and oil sales for the three and nine months ended September 30, 2013. Management believes that the loss of any one customer would not have an adverse effect on the Company’s ability to sell natural gas, NGLs and oil production. The following table sets forth the Company’s major customers and associated percentage of revenue for the periods indicated:

	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2014	2013	2014	2013
Purchaser
Antero Resources Corporation	48%	19%	57%	26%
ARM Energy Management	26%	—	20%	—
Condevco	4%	28%	5%	26%
Dominion East Ohio	3%	19%	4%	17%
Ergon	2%	14%	2%	12%
Total	83%	80%	88%	81%

Management believes that there are potential alternative purchasers and that it may be necessary to establish relationships with new purchasers. However, there can be no assurance that the Company can establish such relationships or that those relationships will result in an increased number of purchasers. Although the Company is exposed to a concentration of credit risk, management believes that all of the Company’s purchasers are credit worthy.

(f) Concentration of Credit Risk

The following table summarizes concentration of receivables, net of allowances, by product or service as of September 30, 2014 and December 31, 2013 (in thousands):

	September 30, 2014		December 31, 2013
Receivables by product or service:
Sale of oil and natural gas and related products and services	$	23,925	$	4,092
Joint interest owners		22,661		4,586
Miscellaneous other		440		—
Total	$	47,026	$	8,678

Oil and natural gas customers include pipelines, distribution companies, producers, gas marketers and industrial users primarily located in the State of Ohio. As a general policy, collateral is not required for receivables, but customers’ financial condition and credit worthiness are evaluated regularly.

By using derivative instruments that are not traded on an exchange to hedge exposures to changes in commodity prices, the Company exposes itself to the credit risk of counterparties. Credit risk is the potential failure of the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is positive, the counterparty is expected to owe the Company, which creates credit risk. To minimize the credit risk in derivative instruments, it is the Company’s policy to enter into derivative contracts only with counterparties that are creditworthy financial institutions deemed by management as competent and competitive market-makers. Additionally, the Company uses master netting agreements to minimize credit-risk exposure. The creditworthiness of the Company’s counterparties is subject to periodic review. The fair value of the Company’s commodity derivative contracts is a net asset position of $2.3 million at September 30, 2014. Other than as provided by the revolving credit facility, the Company is not required to provide credit support or collateral to any of its counterparties under the Company’s contracts, nor are they required to provide credit support to the Company. As of September 30, 2014, the Company did not have past-due receivables from or payables to any of the counterparties.

(g) Accumulated Other Comprehensive Income (Loss)

Comprehensive loss includes net loss and all other changes in the equity of a business during a period from transactions and other events and circumstances from non-owner sources that, under U.S. GAAP, have not been recognized in the calculation of net loss. These changes, other than net loss, are referred to as “other comprehensive loss” and for the Company they include a pension benefit plan that requires the Company to (i) recognize the overfunded or underfunded status of a defined benefit retirement plan as an asset or liability in its balance sheet and (ii) recognize changes in that funded status in the year in which the changes occur through other comprehensive loss. The Company’s pension plan was underfunded by $0.7 million and $1.5 million at September 30, 2014 and December 31, 2013, respectively. Effective March 31, 2014, benefit accruals in the plan were frozen resulting in a gain on reduction of pension liability of $0.0 and $2.2 million for the three and nine months ended September 30, 2014, respectively. No such gain was recorded for the three and nine months ended September 30, 2013.

(h) Depreciation, Depletion and Amortization

Oil and Natural Gas Properties

Depreciation, depletion, and amortization (“DD&A”) of capitalized costs of proved oil and natural gas properties is computed using the unit-of-production method on a unit level basis using total estimated proved reserves. The reserve base used to calculate DD&A for leasehold acquisition costs and the cost to acquire proved properties is the sum of proved developed reserves and proved undeveloped reserves. The reserve base used to calculate DD&A for drilling, completion and well equipment costs, which include development costs and successful exploration drilling costs, includes only proved developed reserves. DD&A expense relating to proved oil and natural gas properties for the three months ended September 30, 2014 and 2013 totaled approximately $29.6 million and $2.2 million, respectively, and for the nine months ended September 30, 2014 and 2013 totaled approximately $51.4 million and $3.2 million, respectively.

Other Property and Equipment

Depreciation with respect to other property and equipment is calculated using straight-line methods based on expected lives of the individual assets or groups of assets ranging from 5 to 40 years. Depreciation for the three months ended September 30, 2014 and 2013 totaled approximately $0.4 million and $0.2, respectively; and for the nine months ended September 30, 2014 and 2013 totaled approximately $0.6 million and $0.2, respectively. This amount is included in DD&A expense in the condensed consolidated statements of operations.

(i) Impairment of Long-Lived Assets

The Company reviews its long lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If it is determined that an asset’s estimated future cash flows will not be sufficient to recover its carrying amount, an impairment charge will be recorded to reduce the carrying amount for that asset to its estimated fair value if such carrying amount exceeds the fair value.

The review of the Company’s oil and gas properties is done by determining if the historical cost of proved properties less the applicable accumulated DD&A and abandonment is less than the estimated expected undiscounted future cash flows. The expected future cash flows are estimated based on the Company’s plans to continue to produce and develop proved reserves. Expected future cash flow from the sale of production of reserves is calculated based on estimated future prices. The Company estimates prices based upon current contracts in place, adjusted for basis differentials and market-related information, including published futures prices. The estimated future level of production is based on assumptions surrounding future prices and costs, field decline rates, market demand and supply and the economic and regulatory climates. If the carrying value exceeds the expected future cash flows, an impairment loss is recognized for the difference between the estimated fair market value (as determined by discounted future cash flows) and the carrying value of the assets. The Company recognized impairment expenses relating to proved properties of $4.6 million for the three months and nine months ended September 30, 2014. There were no impairments of proved properties for the three and nine months ended September 30, 2013.

The determination of oil and natural gas reserve estimates is a subjective process, and the accuracy of any reserve estimate depends on the quality of available data and the application of engineering and geological interpretation and judgment. Estimates of economically recoverable reserves and future net cash flows depend on a number of variable factors and assumptions that are difficult to predict and may vary considerably from actual results.

Unproved properties are reviewed annually for impairment or whenever events or circumstances indicate that the carrying amount of an asset may not be recoverable. An impairment charge is recorded if conditions indicate the Company will not explore the acreage prior to expiration of the applicable leases. The Company recorded $0.5 million and $4.2 million to impairment of unproved oil and gas properties related to lease expirations for the three and nine months ended September 30, 2014, respectively. These costs are included in exploration expense in the condensed consolidated statements of operations. No such impairments were recorded for the three and nine months ended September 30, 2013.

(j) Income Taxes

Upon the closing of the Corporate Reorganization, the Company owned 100% of Eclipse I, Eclipse Resources-Ohio, LLC and Eclipse Operating. Eclipse I was a limited partnership not subject to federal income taxes before the Corporate Reorganization. However, in connection with the closing of the Corporate Reorganization, the Company became a corporation subject to federal and state income tax and, as such, the Company’s future income taxes will be dependent upon its future taxable income. The change in tax status requires the recognition of a deferred tax asset or liability for the initial temporary differences at the time of the change in status. The resulting net deferred tax liability of approximately $94.4 million was recorded as income tax expense at the date of the completion of the Corporate Reorganization.

The FASB’s Accounting Standards Codification (“ASC”) Topic 740 “Income Taxes” provides that a tax benefit from an uncertain tax position may be recognized when it is more likely than not that the position will be sustained upon examination, including resolutions of any related appeals or litigation processes, based on the technical merits. Income tax positions must meet a more-likely-than-not recognition threshold at the effective date to be recognized upon the adoption of the uncertain tax position guidance and in subsequent periods. This interpretation also provides guidance on measurement, derecognition, classification, interest and penalties, accounting in interim periods, disclosure and transition. The Company recognizes fines and penalties as income tax expense.

(k) Fair Value of Financial Instruments

The Company has established a hierarchy to measure its financial instruments at fair value which requires it to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The hierarchy defines three levels of inputs that may be used to measure fair value:

Level 1—Unadjusted quoted prices in active markets for identical, unrestricted assets and liabilities that the reporting entity has the ability to access at the measurement date.

Level 2—Inputs other than quoted prices included within Level 1 that are observable for the asset and liability or can be corroborated with observable market date for substantially the entire contractual term of the asset or liability.

Level 3—Unobservable inputs that reflect the entity’s own assumptions about the assumption market participants would use in the pricing of the asset or liability and are consequently not based on market activity but rather through particular valuation techniques.

Valuation techniques that maximize the use of observable inputs are favored. Assets and liabilities are classified in their entirety based on the lowest priority level of input that is significant to the fair value measurement. The assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the placement of assets and liabilities within the levels of the fair value hierarchy.

(l) Derivative Financial Instruments

The Company uses derivative financial instruments to reduce exposure to fluctuations in the prices of the energy commodities it sells.

Derivatives are recorded at fair value and are included on the condensed consolidated balance sheets as current and noncurrent assets and liabilities. Derivatives are classified as current or noncurrent based on the contractual expiration date. Derivatives with expiration dates within the next 12 months are classified as current. The Company netted the fair value of derivatives by counterparty in the accompanying condensed consolidated balance sheets where the right to offset exists. The Company’s derivative instruments were not designated as hedges for accounting purposes for any of the periods presented. Accordingly, the changes in fair value are recognized in the condensed consolidated statements of operations in the period of change. Gains and losses on derivatives are included in cash flows from operating activities. Premiums for options are included in cash flows from operating activities.

(m) Asset Retirement Obligation

The Company recognizes a legal liability for its asset retirement obligations (“ARO”) in accordance with Topic ASC 410, “Asset Retirement and Environmental Obligations,” associated with the retirement of a tangible long-lived asset, in the period in which it is incurred or becomes determinable, with an associated increase in the carrying amount of the related long-lived asset. The cost of the tangible asset, including the initially recognized asset retirement cost, is depreciated over the useful life of the asset and accretion expense is recognized over time as the discounted liability is accreted to its expected settlement value. The Company measures the fair value of its ARO using expected future cash outflows for abandonment discounted back to the date that the abandonment obligation was measured using an estimated credit adjusted rate, which was 8.96% for the nine months ended September 30, 2014.

Estimating the future ARO requires management to make estimates and judgments based on historical estimates regarding timing and existence of a liability, as well as what constitutes adequate restoration, inherent in the fair value calculation are numerous assumptions and judgments including the ultimate costs, inflation factors, credit adjusted discount rates, timing of settlement and changes in the legal, regulatory, environmental and political environments. To the extent future revisions to these assumptions impact the fair value of the existing ARO liability, a corresponding adjustment is made to the related asset.

The following table sets forth the changes in the Company’s ARO liability for the period indicated (in thousands):

	Nine Months Ended September 30, 2014
Asset retirement obligations, beginning of period	$	9,055
Additional liabilities incurred		420
Accretion		575
Asset retirement obligations, end of period	$	10,050

The inputs used to determine such fair value are primarily based upon costs incurred historically for similar work, as well as estimates from independent third parties for costs that would be incurred to restore leased property to the contractually stipulated condition. Additions to ARO represent a significant nonrecurring Level 3 measurement.

(n) Lease Obligations

The Company leases office space under operating leases that expire between the years 2015 - 2018. The lease terms begin on the date of initial possession of the leased property for purposes of recognizing lease expense on a straight-line basis over the term of the lease. The Company does not assume renewals in its determination of the lease terms unless the renewals are deemed to be reasonably assured at lease inception.

(o) Off-Balance Sheet Arrangements

The Company does not have any off-balance sheet arrangements.

(p) Segment Reporting

The Company operates in one industry segment: the oil and natural gas exploration and production industry in the United States. All of its operations are conducted in one geographic area of the United States. All revenues are derived from customers located in the United States.

(q) Debt Issuance Costs

The expenditures related to issuing debt are capitalized and included in other assets in the accompanying balance sheets. These costs are amortized over the expected life of the related instruments using the effective interest rate method. When debt is retired before maturity or modifications significantly change the cash flows, related unamortized costs are expensed.

(r) Recent Accounting Pronouncements

The FASB issued ASU 2013-11, “Income Taxes (Topic 740)—Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists” in December 2013. These amendments provide that an unrecognized tax benefit, or a portion thereof, should be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except to the extent that a net operating loss carryforward, a similar tax loss, or a tax credit carryforward is not available at the reporting date to settle any additional income taxes that would result from disallowance of a tax position, or the tax law does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose, then the unrecognized tax benefit should be presented as a liability. These requirements were effective for annual reporting periods beginning after December 15, 2013, including interim periods within that reporting period. The adoption of this ASU did not impact the Company’s financial position, results of operations or liquidity.

The FASB issued ASU 2014-06, “Technical Corrections and Improvements Related to Glossary Terms”. These amendments relate to glossary terms and cover a wide range of Topics in the Codification. These amendments are presented in four sections: (1) Deletion of Master Glossary Terms arising because of terms that were carried forward from source literature to the Codification but were not utilized in the Codification; (2) Addition of Master Glossary Term Links arising from Master Glossary terms whose links did not carry forward to the Codification; (3) Duplicate Master Glossary Terms arising from Master Glossary terms that appear multiple times in the Master Glossary with similar, but not identical, definitions; and (4) Other Technical Corrections Related to Glossary Terms arising from miscellaneous changes to update Master Glossary terms. These requirements were effective upon issuance. The adoption of this ASU did not impact the Company’s financial position, results of operations or liquidity.

The FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606) (“Update 2014-09”)”, which supersedes the revenue recognition requirements (and some cost guidance) in Topic 605, Revenue Recognition, and most industry-specific guidance throughout the industry topics of the Accounting Standards Codification. In addition, the existing requirements for the recognition of a gain or loss on the transfer of nonfinancial assets that are not in a contract with a customer (for example, assets within the scope of Topic 360, Property, Plant and Equipment, and intangible assets within the scope of Topic 350, Intangibles—Goodwill and Other) are amended to be consistent with the guidance on recognition and measurement (including the constraint on revenue) in Update 2014-09. Topic 606 requires an entity to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. To achieve this, an entity should identify the contract with a customer, identify the performance obligations in the contract, determine the transaction price, allocate the transaction price to the performance obligations in the contract and recognize revenue when (or as) the entity satisfies the performance obligations. These requirements are effective for annual reporting periods beginning after December 15, 2016, including interim periods within that reporting period. Early adoption is not permitted. The Company is evaluating the impact of the adoption on its financial position, results of operations and related disclosures.

In June 2014, the FASB issued ASU 2014-12, Compensation—Stock Compensation (Topic 718) (“Update 2014-12”). The amendments in Update 2014-12 require that a performance target that affects vesting and that could be achieved after the requisite service period, be treated as a performance condition. As such, the performance target should not be reflected in estimating the grant date fair value of the award. Compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved and should represent the compensation cost attributable to the period(s) for which the requisite service has already been rendered. If the performance target becomes probable of being achieved before the end of the requisite service period, the remaining unrecognized compensation cost should be recognized prospectively over the remaining requisite service period. The total amount of compensation cost recognized during and after the requisite service period should reflect the number of awards that are expected to vest and should be adjusted to reflect those awards that ultimately vest. The requisite service period ends when the employee can cease rendering service and still be eligible to vest in the award if the performance target is achieved. The amendments in Update 2014-12 are effective for annual periods and interim periods within those annual periods beginning after December 15, 2015. Earlier adoption is permitted. Entities may apply the amendments in Update 2014-12 either (a) prospectively to all awards granted or modified after the effective date, or (b) retrospectively to all awards with performance targets that are outstanding as of the beginning of the earliest annual period presented in the financial statements and to all new or modified awards thereafter. The Company will adopt the requirements of Update 2014-12 upon its effective date of January 1, 2016, and is evaluating the impact of the adoption on its financial position, results of operations and related disclosures.

In April 2014, the FASB issued ASU 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360)”: Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity”. The objective of the amendments in this update is to change the criteria for reporting discontinued operations and enhance convergence of the FASB’s and the International Accounting Standard Board’s (IASB) reporting requirements for discontinued operations. The amendments in this update change the requirements for reporting discontinued operations in Subtopic 205-20. A discontinued operation may include a component of an entity or a group of components of an entity, or a business or nonprofit activity. A disposal of a component of an entity or a group of components of an entity is required to be reported in discontinued operations if the disposal represents a strategic shift that has (or will have) a major effect on an entity’s operations and financial results. The amendments in this update require an entity to present, for each comparative period, the assets and liabilities of a disposal group that includes a discontinued operation separately in the asset and liability sections, respectively, of the statement of financial position. The amendments in this update also require additional disclosures about discontinued operations. Public business entities must apply the amendments in this update prospectively to both of the following: (1) All disposals (or classifications as held for sale) of components of an entity that occur within annual periods beginning on or after December 15, 2014, and interim periods within those years; (2) All businesses or nonprofit activities that, on acquisition, are classified as held for sale that occur within annual periods beginning on or after December 15, 2014, and interim periods within those years. Early adoption is permitted, but only for disposals (or classifications as held for sale) that have not been reported in financial statements previously issued or available for issuance. The Company is evaluating the impact of the adoption on its financial position, results of operations and related disclosures.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Cash and Cash Equivalents

(a) Cash and Cash Equivalents

Cash and cash equivalents are comprised of cash in banks and highly liquid instruments with original maturities of three months or less, primarily consisting of bank time deposits and investments in institutional money market funds. The carrying amounts approximate fair value due to the short-term nature of these items. Cash in bank accounts at times may exceed federally insured limits.

Accounts Receivable

(b) Accounts Receivable

Accounts receivable are carried at estimated net realizable value. Receivables deemed uncollectible are charged directly to expense. Trade credit is generally extended on a short-term basis, and therefore, accounts receivable do not bear interest, although a finance charge may be applied to such receivables that are past due. A valuation allowance is provided for those accounts for which collection is estimated as doubtful and uncollectible accounts are written off and charged against the allowance. In estimating the allowance, management considers, among other things, how recently and how frequently payments have been received and the financial position of the party. The Company did not deem any of its accounts receivables to be uncollectable as of September 30, 2014 or December 31, 2013.

The Company accrues revenue due to timing differences between the delivery of natural gas, natural gas liquids (NGLs), and crude oil and the receipt of a delivery statement. These revenues are recorded based upon volumetric data from the Company’s records and management’s estimates of the related commodity sales and transportation and compression fees which are, in turn, based upon applicable product prices. The Company had $23.9 million and $4.1 million of accrued revenues at September 30, 2014 and December 31, 2013, respectively, which were included in accounts receivable within the Company’s condensed consolidated balance sheets.

Property and Equipment

(c) Property and Equipment

Oil and Natural Gas Properties

The Company follows the successful efforts method of accounting for its oil and natural gas operations. Acquisition costs for oil and natural gas properties, costs of drilling and equipping productive wells, and costs of unsuccessful development wells are capitalized and amortized on an equivalent unit-of-production basis over the life of the remaining related oil and gas reserves. The estimated future costs of dismantlement, restoration, plugging and abandonment of oil and gas properties and related disposal are capitalized when asset retirement obligations are incurred and amortized as part of depreciation, depletion and amortization expense (see “Depreciation, Depletion and Amortization” below).

Costs incurred to acquire producing and non-producing leaseholds are capitalized. All unproved leasehold acquisition costs are initially capitalized, including the cost of leasing agents, title work and due diligence. If the Company acquires leases in a prospective area, these costs are capitalized as unproved leasehold costs. If no leases are acquired by the Company with respect to the initial costs incurred or the Company discontinues leasing in a prospective area, the costs are charged to exploration expense. Unproved leasehold costs that are determined to have proved oil and gas reserves are transferred to proved leasehold costs.

Upon the sale or retirement of a complete field of a proved property, the cost is eliminated from the property accounts, and the resultant gain or loss is reclassified to the Company’s condensed consolidated statements of operations. Upon the sale of an individual well, the proceeds are credited to accumulated depreciation and depletion within the Company’s condensed consolidated balance sheets. Upon sale of an entire interest in an unproved property where the property had been assessed for impairment individually, a gain or loss is recognized in the Company’s condensed consolidated statements of operations. If a partial interest in an unproved property is sold, any funds received are accounted for as a reduction of the cost in the interest retained.

A summary of property and equipment including oil and natural gas properties is as follows (in thousands):

	September 30, 2014			December 31, 2013
Oil and natural gas properties:
Unproved	$	1,169,813		$	926,812
Proved		461,768			97,528
Gross oil and natural gas properties		1,631,581			1,024,340
Less accumulated depreciation, depletion and amortization		(64,614	)		(8,596	)
Oil and natural gas properties, net		1,566,967			1,015,744
Other property and equipment		7,734			2,392
Less accumulated depreciation		(605	)		(52	)
Other property and equipment, net		7,129			2,340
Property and equipment, net	$	1,574,096		$	1,018,084

Exploration expenses, including geological and geophysical expenses and delay rentals for unevaluated oil and gas properties are charged to expense as incurred. Exploratory drilling costs are initially capitalized as unproved property, not subject to depletion, but charged to expense if and when the well is determined not to have found proved oil and gas reserves.

Other Property and Equipment

Other property and equipment include land, buildings, leasehold improvements, vehicles, computer equipment and software, telecommunications equipment, and furniture and fixtures. These items are recorded at cost, or fair value if acquired through a business acquisition.

Revenue Recognition

(d) Revenue Recognition

Oil and natural gas sales revenue is recognized when produced quantities of oil and natural gas are delivered to a custody transfer point such as a pipeline, processing facility or a tank lifting has occurred, persuasive evidence of a sales arrangement exists, the rights and responsibility of ownership pass to the purchaser upon delivery, collection of revenue from the sales is reasonably assured and the sales price is fixed or determinable. Revenues from the sales of natural gas, crude oil or NGLs in which the Company has an interest with other producers are recognized using the sales method on the basis of the Company’s net revenue interest. The Company had no material imbalances as of September 30, 2014 and December 31, 2013.

In accordance with the terms of joint operating agreements, from time to time, the Company may be paid monthly fees for operating or drilling wells for outside owners. The fees are meant to recoup some of the operator’s general and administrative costs in connection with well and drilling operations and are accounted for as credits to general and administrative expense.

Major Customers

(e) Major Customers

The Company sells production volumes to various purchasers. There were two customers that accounted for 10% or more of the total natural gas, NGLs and oil sales for the three and nine months ended September 30, 2014. There were four customers that accounted for 10% or more of the total natural gas, NGLs and oil sales for the three and nine months ended September 30, 2013. Management believes that the loss of any one customer would not have an adverse effect on the Company’s ability to sell natural gas, NGLs and oil production. The following table sets forth the Company’s major customers and associated percentage of revenue for the periods indicated:

	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2014	2013	2014	2013
Purchaser
Antero Resources Corporation	48%	19%	57%	26%
ARM Energy Management	26%	—	20%	—
Condevco	4%	28%	5%	26%
Dominion East Ohio	3%	19%	4%	17%
Ergon	2%	14%	2%	12%
Total	83%	80%	88%	81%

Management believes that there are potential alternative purchasers and that it may be necessary to establish relationships with new purchasers. However, there can be no assurance that the Company can establish such relationships or that those relationships will result in an increased number of purchasers. Although the Company is exposed to a concentration of credit risk, management believes that all of the Company’s purchasers are credit worthy.

Concentration of Credit Risk

(f) Concentration of Credit Risk

The following table summarizes concentration of receivables, net of allowances, by product or service as of September 30, 2014 and December 31, 2013 (in thousands):

	September 30, 2014		December 31, 2013
Receivables by product or service:
Sale of oil and natural gas and related products and services	$	23,925	$	4,092
Joint interest owners		22,661		4,586
Miscellaneous other		440		—
Total	$	47,026	$	8,678

Oil and natural gas customers include pipelines, distribution companies, producers, gas marketers and industrial users primarily located in the State of Ohio. As a general policy, collateral is not required for receivables, but customers’ financial condition and credit worthiness are evaluated regularly.

By using derivative instruments that are not traded on an exchange to hedge exposures to changes in commodity prices, the Company exposes itself to the credit risk of counterparties. Credit risk is the potential failure of the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is positive, the counterparty is expected to owe the Company, which creates credit risk. To minimize the credit risk in derivative instruments, it is the Company’s policy to enter into derivative contracts only with counterparties that are creditworthy financial institutions deemed by management as competent and competitive market-makers. Additionally, the Company uses master netting agreements to minimize credit-risk exposure. The creditworthiness of the Company’s counterparties is subject to periodic review. The fair value of the Company’s commodity derivative contracts is a net asset position of $2.3 million at September 30, 2014. Other than as provided by the revolving credit facility, the Company is not required to provide credit support or collateral to any of its counterparties under the Company’s contracts, nor are they required to provide credit support to the Company. As of September 30, 2014, the Company did not have past-due receivables from or payables to any of the counterparties.

Accumulated Other Comprehensive Gain (Loss)

(g) Accumulated Other Comprehensive Income (Loss)

Comprehensive loss includes net loss and all other changes in the equity of a business during a period from transactions and other events and circumstances from non-owner sources that, under U.S. GAAP, have not been recognized in the calculation of net loss. These changes, other than net loss, are referred to as “other comprehensive loss” and for the Company they include a pension benefit plan that requires the Company to (i) recognize the overfunded or underfunded status of a defined benefit retirement plan as an asset or liability in its balance sheet and (ii) recognize changes in that funded status in the year in which the changes occur through other comprehensive loss. The Company’s pension plan was underfunded by $0.7 million and $1.5 million at September 30, 2014 and December 31, 2013, respectively. Effective March 31, 2014, benefit accruals in the plan were frozen resulting in a gain on reduction of pension liability of $0.0 and $2.2 million for the three and nine months ended September 30, 2014, respectively. No such gain was recorded for the three and nine months ended September 30, 2013.

Depreciation, depletion and amortization

(h) Depreciation, Depletion and Amortization

Oil and Natural Gas Properties

Depreciation, depletion, and amortization (“DD&A”) of capitalized costs of proved oil and natural gas properties is computed using the unit-of-production method on a unit level basis using total estimated proved reserves. The reserve base used to calculate DD&A for leasehold acquisition costs and the cost to acquire proved properties is the sum of proved developed reserves and proved undeveloped reserves. The reserve base used to calculate DD&A for drilling, completion and well equipment costs, which include development costs and successful exploration drilling costs, includes only proved developed reserves. DD&A expense relating to proved oil and natural gas properties for the three months ended September 30, 2014 and 2013 totaled approximately $29.6 million and $2.2 million, respectively, and for the nine months ended September 30, 2014 and 2013 totaled approximately $51.4 million and $3.2 million, respectively.

Other Property and Equipment

Depreciation with respect to other property and equipment is calculated using straight-line methods based on expected lives of the individual assets or groups of assets ranging from 5 to 40 years. Depreciation for the three months ended September 30, 2014 and 2013 totaled approximately $0.4 million and $0.2, respectively; and for the nine months ended September 30, 2014 and 2013 totaled approximately $0.6 million and $0.2, respectively. This amount is included in DD&A expense in the condensed consolidated statements of operations.

Impairment of Long-Lived Assets

(i) Impairment of Long-Lived Assets

The Company reviews its long lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If it is determined that an asset’s estimated future cash flows will not be sufficient to recover its carrying amount, an impairment charge will be recorded to reduce the carrying amount for that asset to its estimated fair value if such carrying amount exceeds the fair value.

The review of the Company’s oil and gas properties is done by determining if the historical cost of proved properties less the applicable accumulated DD&A and abandonment is less than the estimated expected undiscounted future cash flows. The expected future cash flows are estimated based on the Company’s plans to continue to produce and develop proved reserves. Expected future cash flow from the sale of production of reserves is calculated based on estimated future prices. The Company estimates prices based upon current contracts in place, adjusted for basis differentials and market-related information, including published futures prices. The estimated future level of production is based on assumptions surrounding future prices and costs, field decline rates, market demand and supply and the economic and regulatory climates. If the carrying value exceeds the expected future cash flows, an impairment loss is recognized for the difference between the estimated fair market value (as determined by discounted future cash flows) and the carrying value of the assets. The Company recognized impairment expenses relating to proved properties of $4.6 million for the three months and nine months ended September 30, 2014. There were no impairments of proved properties for the three and nine months ended September 30, 2013.

The determination of oil and natural gas reserve estimates is a subjective process, and the accuracy of any reserve estimate depends on the quality of available data and the application of engineering and geological interpretation and judgment. Estimates of economically recoverable reserves and future net cash flows depend on a number of variable factors and assumptions that are difficult to predict and may vary considerably from actual results.

Unproved properties are reviewed annually for impairment or whenever events or circumstances indicate that the carrying amount of an asset may not be recoverable. An impairment charge is recorded if conditions indicate the Company will not explore the acreage prior to expiration of the applicable leases. The Company recorded $0.5 million and $4.2 million to impairment of unproved oil and gas properties related to lease expirations for the three and nine months ended September 30, 2014, respectively. These costs are included in exploration expense in the condensed consolidated statements of operations. No such impairments were recorded for the three and nine months ended September 30, 2013.

Income Taxes

(j) Income Taxes

Upon the closing of the Corporate Reorganization, the Company owned 100% of Eclipse I, Eclipse Resources-Ohio, LLC and Eclipse Operating. Eclipse I was a limited partnership not subject to federal income taxes before the Corporate Reorganization. However, in connection with the closing of the Corporate Reorganization, the Company became a corporation subject to federal and state income tax and, as such, the Company’s future income taxes will be dependent upon its future taxable income. The change in tax status requires the recognition of a deferred tax asset or liability for the initial temporary differences at the time of the change in status. The resulting net deferred tax liability of approximately $94.4 million was recorded as income tax expense at the date of the completion of the Corporate Reorganization.

The FASB’s Accounting Standards Codification (“ASC”) Topic 740 “Income Taxes” provides that a tax benefit from an uncertain tax position may be recognized when it is more likely than not that the position will be sustained upon examination, including resolutions of any related appeals or litigation processes, based on the technical merits. Income tax positions must meet a more-likely-than-not recognition threshold at the effective date to be recognized upon the adoption of the uncertain tax position guidance and in subsequent periods. This interpretation also provides guidance on measurement, derecognition, classification, interest and penalties, accounting in interim periods, disclosure and transition. The Company recognizes fines and penalties as income tax expense.

Fair Value of Financial Instruments

(k) Fair Value of Financial Instruments

The Company has established a hierarchy to measure its financial instruments at fair value which requires it to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The hierarchy defines three levels of inputs that may be used to measure fair value:

Level 1—Unadjusted quoted prices in active markets for identical, unrestricted assets and liabilities that the reporting entity has the ability to access at the measurement date.

Level 2—Inputs other than quoted prices included within Level 1 that are observable for the asset and liability or can be corroborated with observable market date for substantially the entire contractual term of the asset or liability.

Level 3—Unobservable inputs that reflect the entity’s own assumptions about the assumption market participants would use in the pricing of the asset or liability and are consequently not based on market activity but rather through particular valuation techniques.

Valuation techniques that maximize the use of observable inputs are favored. Assets and liabilities are classified in their entirety based on the lowest priority level of input that is significant to the fair value measurement. The assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the placement of assets and liabilities within the levels of the fair value hierarchy.

Derivative Financial Instruments

(l) Derivative Financial Instruments

The Company uses derivative financial instruments to reduce exposure to fluctuations in the prices of the energy commodities it sells.

Derivatives are recorded at fair value and are included on the condensed consolidated balance sheets as current and noncurrent assets and liabilities. Derivatives are classified as current or noncurrent based on the contractual expiration date. Derivatives with expiration dates within the next 12 months are classified as current. The Company netted the fair value of derivatives by counterparty in the accompanying condensed consolidated balance sheets where the right to offset exists. The Company’s derivative instruments were not designated as hedges for accounting purposes for any of the periods presented. Accordingly, the changes in fair value are recognized in the condensed consolidated statements of operations in the period of change. Gains and losses on derivatives are included in cash flows from operating activities. Premiums for options are included in cash flows from operating activities.

Asset Retirement Obligation

(m) Asset Retirement Obligation

The Company recognizes a legal liability for its asset retirement obligations (“ARO”) in accordance with Topic ASC 410, “Asset Retirement and Environmental Obligations,” associated with the retirement of a tangible long-lived asset, in the period in which it is incurred or becomes determinable, with an associated increase in the carrying amount of the related long-lived asset. The cost of the tangible asset, including the initially recognized asset retirement cost, is depreciated over the useful life of the asset and accretion expense is recognized over time as the discounted liability is accreted to its expected settlement value. The Company measures the fair value of its ARO using expected future cash outflows for abandonment discounted back to the date that the abandonment obligation was measured using an estimated credit adjusted rate, which was 8.96% for the nine months ended September 30, 2014.

Estimating the future ARO requires management to make estimates and judgments based on historical estimates regarding timing and existence of a liability, as well as what constitutes adequate restoration, inherent in the fair value calculation are numerous assumptions and judgments including the ultimate costs, inflation factors, credit adjusted discount rates, timing of settlement and changes in the legal, regulatory, environmental and political environments. To the extent future revisions to these assumptions impact the fair value of the existing ARO liability, a corresponding adjustment is made to the related asset.

The following table sets forth the changes in the Company’s ARO liability for the period indicated (in thousands):

	Nine Months Ended September 30, 2014
Asset retirement obligations, beginning of period	$	9,055
Additional liabilities incurred		420
Accretion		575
Asset retirement obligations, end of period	$	10,050

The inputs used to determine such fair value are primarily based upon costs incurred historically for similar work, as well as estimates from independent third parties for costs that would be incurred to restore leased property to the contractually stipulated condition. Additions to ARO represent a significant nonrecurring Level 3 measurement.

Lease Obligations

(n) Lease Obligations

The Company leases office space under operating leases that expire between the years 2015 - 2018. The lease terms begin on the date of initial possession of the leased property for purposes of recognizing lease expense on a straight-line basis over the term of the lease. The Company does not assume renewals in its determination of the lease terms unless the renewals are deemed to be reasonably assured at lease inception.

Off-Balance Sheet Arrangements

(o) Off-Balance Sheet Arrangements

The Company does not have any off-balance sheet arrangements.

Segment Reporting

(p) Segment Reporting

The Company operates in one industry segment: the oil and natural gas exploration and production industry in the United States. All of its operations are conducted in one geographic area of the United States. All revenues are derived from customers located in the United States.

Debt Issuance Costs

(q) Debt Issuance Costs

The expenditures related to issuing debt are capitalized and included in other assets in the accompanying balance sheets. These costs are amortized over the expected life of the related instruments using the effective interest rate method. When debt is retired before maturity or modifications significantly change the cash flows, related unamortized costs are expensed.

Recent Accounting Pronouncements

(r) Recent Accounting Pronouncements

The FASB issued ASU 2013-11, “Income Taxes (Topic 740)—Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists” in December 2013. These amendments provide that an unrecognized tax benefit, or a portion thereof, should be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except to the extent that a net operating loss carryforward, a similar tax loss, or a tax credit carryforward is not available at the reporting date to settle any additional income taxes that would result from disallowance of a tax position, or the tax law does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose, then the unrecognized tax benefit should be presented as a liability. These requirements were effective for annual reporting periods beginning after December 15, 2013, including interim periods within that reporting period. The adoption of this ASU did not impact the Company’s financial position, results of operations or liquidity.

The FASB issued ASU 2014-06, “Technical Corrections and Improvements Related to Glossary Terms”. These amendments relate to glossary terms and cover a wide range of Topics in the Codification. These amendments are presented in four sections: (1) Deletion of Master Glossary Terms arising because of terms that were carried forward from source literature to the Codification but were not utilized in the Codification; (2) Addition of Master Glossary Term Links arising from Master Glossary terms whose links did not carry forward to the Codification; (3) Duplicate Master Glossary Terms arising from Master Glossary terms that appear multiple times in the Master Glossary with similar, but not identical, definitions; and (4) Other Technical Corrections Related to Glossary Terms arising from miscellaneous changes to update Master Glossary terms. These requirements were effective upon issuance. The adoption of this ASU did not impact the Company’s financial position, results of operations or liquidity.

The FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606) (“Update 2014-09”)”, which supersedes the revenue recognition requirements (and some cost guidance) in Topic 605, Revenue Recognition, and most industry-specific guidance throughout the industry topics of the Accounting Standards Codification. In addition, the existing requirements for the recognition of a gain or loss on the transfer of nonfinancial assets that are not in a contract with a customer (for example, assets within the scope of Topic 360, Property, Plant and Equipment, and intangible assets within the scope of Topic 350, Intangibles—Goodwill and Other) are amended to be consistent with the guidance on recognition and measurement (including the constraint on revenue) in Update 2014-09. Topic 606 requires an entity to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. To achieve this, an entity should identify the contract with a customer, identify the performance obligations in the contract, determine the transaction price, allocate the transaction price to the performance obligations in the contract and recognize revenue when (or as) the entity satisfies the performance obligations. These requirements are effective for annual reporting periods beginning after December 15, 2016, including interim periods within that reporting period. Early adoption is not permitted. The Company is evaluating the impact of the adoption on its financial position, results of operations and related disclosures.

In June 2014, the FASB issued ASU 2014-12, Compensation—Stock Compensation (Topic 718) (“Update 2014-12”). The amendments in Update 2014-12 require that a performance target that affects vesting and that could be achieved after the requisite service period, be treated as a performance condition. As such, the performance target should not be reflected in estimating the grant date fair value of the award. Compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved and should represent the compensation cost attributable to the period(s) for which the requisite service has already been rendered. If the performance target becomes probable of being achieved before the end of the requisite service period, the remaining unrecognized compensation cost should be recognized prospectively over the remaining requisite service period. The total amount of compensation cost recognized during and after the requisite service period should reflect the number of awards that are expected to vest and should be adjusted to reflect those awards that ultimately vest. The requisite service period ends when the employee can cease rendering service and still be eligible to vest in the award if the performance target is achieved. The amendments in Update 2014-12 are effective for annual periods and interim periods within those annual periods beginning after December 15, 2015. Earlier adoption is permitted. Entities may apply the amendments in Update 2014-12 either (a) prospectively to all awards granted or modified after the effective date, or (b) retrospectively to all awards with performance targets that are outstanding as of the beginning of the earliest annual period presented in the financial statements and to all new or modified awards thereafter. The Company will adopt the requirements of Update 2014-12 upon its effective date of January 1, 2016, and is evaluating the impact of the adoption on its financial position, results of operations and related disclosures.

In April 2014, the FASB issued ASU 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360)”: Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity”. The objective of the amendments in this update is to change the criteria for reporting discontinued operations and enhance convergence of the FASB’s and the International Accounting Standard Board’s (IASB) reporting requirements for discontinued operations. The amendments in this update change the requirements for reporting discontinued operations in Subtopic 205-20. A discontinued operation may include a component of an entity or a group of components of an entity, or a business or nonprofit activity. A disposal of a component of an entity or a group of components of an entity is required to be reported in discontinued operations if the disposal represents a strategic shift that has (or will have) a major effect on an entity’s operations and financial results. The amendments in this update require an entity to present, for each comparative period, the assets and liabilities of a disposal group that includes a discontinued operation separately in the asset and liability sections, respectively, of the statement of financial position. The amendments in this update also require additional disclosures about discontinued operations. Public business entities must apply the amendments in this update prospectively to both of the following: (1) All disposals (or classifications as held for sale) of components of an entity that occur within annual periods beginning on or after December 15, 2014, and interim periods within those years; (2) All businesses or nonprofit activities that, on acquisition, are classified as held for sale that occur within annual periods beginning on or after December 15, 2014, and interim periods within those years. Early adoption is permitted, but only for disposals (or classifications as held for sale) that have not been reported in financial statements previously issued or available for issuance. The Company is evaluating the impact of the adoption on its financial position, results of operations and related disclosures.

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Related Party Transactions

9 Months Ended

Sep. 30, 2014

Related Party Transactions [Abstract]

Related Party Transactions

Note 11—Related Party Transactions

In December 2010, Eclipse Operating was formed by members of the Company’s management team for purposes of operating Eclipse I. The Company’s Chairman, President and Chief Executive Officer, Executive Vice President, Secretary and General Counsel and Executive Vice President and Chief Operating Officer each owned 33% of the membership units of Eclipse Operating. Eclipse Operating provides administrative and management services to Eclipse I under the terms of an Administrative Services Agreement. In connection with the Corporate Reorganization, Eclipse I acquired of all the outstanding equity interests of Eclipse Operating for $0.1 million, which is the amount of the aggregate capital contributions made to Eclipse Operating by its members. As a result, Eclipse Operating became a wholly owned subsidiary of Eclipse I.

Under the terms of the Administrative Services Agreement, Eclipse I paid Eclipse Operating a monthly management fee equal to the sum of all general and administrative expenditures incurred in the management and administration of Eclipse I’s operations. These costs included salaries, wages and benefits, rent, insurance, and other expenses and costs required to operate Eclipse I. These expenses were billed in arrears at the actual cost to Eclipse Operating.

During the period from January 1, 2014 to June 23, 2014 the Company’s management fee to Eclipse Operating was $15.6 million. The Company’s management fee to Eclipse Operating was $3.8 million and $8.4 million for the three and nine months ending September 30, 2013, respectively. These expenses are classified within “Operating expenses—General and administrative” in the condensed consolidated statements of operations.

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Debt

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Debt

Note 7—Debt

12% Senior Unsecured PIK Notes Due 2018

On June 26, 2013, Eclipse I completed a private placement offering of an initial aggregate principal amount of $300 million, with an additional $100 million notes option, at the discretion of Eclipse I, of 12% Senior Unsecured PIK Notes due in 2018 (the “Senior Unsecured Notes”). The Senior Unsecured Notes were issued at 96% of par and Eclipse I received $280.7 million of net cash proceeds, after deducting the discount to initial purchasers of $12 million and offering expenses of $7.3 million. In December 2013, Eclipse I exercised its option and issued an additional $100 million of Senior Unsecured Notes with the same terms, at par. Eclipse I received $100 million net cash proceeds, as no discounts and $0.2 million of offering expenses were incurred in connection with the exercise of the option. During the three and nine months ended September 30, 2014, the Company amortized $1.0 million and $3.0 million, respectively, of deferred financing costs and debt discount to interest expense using the effective interest method.

The Company has the right to redeem all or a portion of the Senior Unsecured Notes prior to the 2-year anniversary of the final funding date, which the Company refers to as the Non-Call Period, by paying a redemption price equal to 100.0% times a “make whole premium” equal to the greater of 106.0% or an amount computed under the Indenture governing the Senior Unsecured Notes (the “Indenture”) plus accrued and unpaid interest. After the Non-Call Period, the Company may redeem all or a part of the Senior Unsecured Notes at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest:

Year following expiration of the Non-Call Period	Redemption Price
Year 1		106.00	%
Year 2		103.00	%
Year 3 and thereafter		100.00	%

At the Company’s option, for the first 2 semi-annual interest payments following the issue date, interest may be payable by increasing the principal amount of the Senior Unsecured Notes or by issuing payment in kind (“PIK”) securities. At the Company’s option, for the subsequent four semi-annual interest payments thereafter, interest may be payable in the form of 6.0% per annum in cash and 7.0% per annum in PIK securities. Thereafter, interest can only be paid as cash interest. Interest is payable on July 15 and January 15 each year, beginning in January 2014. Interest paid by issuing PIK securities accrues at 13%, interest paid by cash accrues at 12%. The Company elected to settle its accrued interest payable on January 15, 2014 by issuing PIK securities of $22.5 million and settle its accrued interest payable on July 15, 2014 with a cash payment of $25.3 million. As of September 30, 2014, the Company had accrued additional interest in the amount of $10.6 million. The Company capitalized interest expense totaling $3.7 million and $6.3 million for the three and nine months ended September 30, 2014, respectively.

The Company’s obligations under the Senior Unsecured Notes are guaranteed by its 100% owned subsidiaries. The Company may not among other things, directly or indirectly: (1) consolidate or merge with or into another Person (whether or not the Company is the survivor), or (2) sell, assign, transfer, convey, lease or otherwise dispose of all or more than 50% of its properties or assets, in one or more related transactions, to another Person, unless in each case certain restrictive conditions contained in the Indenture are met.

The Indenture requires the Company to be in compliance with certain other covenants, including the prompt payment of interest, including PIK interest, and any and all material taxes, assessments and government levies imposed; timely submission of quarterly and audited annual financial statements, reserve reports, budgets and other notices, and other recurring obligations. The Indenture places restrictions on the Company and its subsidiaries with respect to additional indebtedness, liens, dividends and other payments, investments, acquisitions, mergers, asset dispositions, transactions with affiliates, change of control and other matters. The Company was in compliance with all applicable covenants in the Indenture at September 30, 2014.

The Senior Unsecured Notes are subject to certain events of default. If an event of default occurs and is continuing, the outstanding Senior Notes may, and under certain circumstances, will be accelerated. The purchasers of the Senior Notes are entitled to the benefits of a registration rights agreement pursuant to which the Company agreed to file a registration statement with the Securities and Exchange Commission to allow for the resale of the Notes under the Securities Act.

As of September 30, 2014, the principal amount outstanding related to the Senior Unsecured Notes was $422.5 million. The fair value of the Senior Unsecured notes as of September 30, 2014 was $484.0 million. This fair value estimate is classified as Level 2 in the fair value hierarchy. The valuation techniques used are industry-standard models that consider various assumptions, including quoted forward rates, time value, volatility factors and current market and contractual rates, as well as other relevant economic measures. Substantially all of the assumptions are observable in the marketplace throughout the full term of the instrument, can be derived from observable data, or are supported by observable levels at which transactions are executed in the marketplace.

Revolving Credit Facility

During the first quarter of 2014, the Company entered into a $500 million senior secured revolving bank credit facility (the “Revolving Credit Facility”) that matures in 2018. Borrowings under the Revolving Credit Facility are subject to borrowing base limitations based on the collateral value of the Company’s proved properties and commodity hedge positions and are subject to quarterly redeterminations through April 1, 2015 and semiannual redeterminations thereafter. At September 30, 2014, the borrowing base was $100 million and the Company had no outstanding borrowings. After considering outstanding letters of credit issued by the Company, totaling $25 million, the Company had available capacity on the Revolving Credit Facility of $75 million at September 30, 2014.

The Revolving Credit Facility is secured by mortgages on substantially all of the Company’s properties and guarantees from the Company’s operating subsidiaries. The Revolving Credit Facility contains certain covenants, including restrictions on indebtedness and dividends, and requirements with respect to working capital and interest coverage ratios. Interest is payable at a variable rate based on LIBOR or the prime rate based on the Company’s election at the time of borrowing. The Company was in compliance with all applicable covenants under the Revolving Credit Facility as of September 30, 2014. Commitment fees on the unused portion of the Revolving Credit Facility are due quarterly at rates ranging from 0.375% to 0.50% of the unused facility based on utilization.

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Derivative Financial Instruments

9 Months Ended

Sep. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

Note 5—Derivative Financial Instruments

Commodity derivatives

The Company is exposed to market risk from changes in energy commodity prices within its operations. The Company utilizes derivatives to manage exposure to the variability in expected future cash flows from forecasted sales of natural gas. The Company currently uses a mix of over-the-counter (“OTC”) natural gas fixed price swaps, basis swaps and put options spreads and collars to manage its exposure to natural gas price fluctuations. All of the Company’s derivative instruments are used for risk management purposes and none are held for trading or speculative purposes.

The Company is exposed to credit risk in the event of non-performance by counterparties. The creditworthiness of counterparties is subject to continuing review. The Company has not experienced any issues of non-performance by derivative counterparties.

Below is summary of the Company’s derivative instrument positions, as of September 30, 2014, for future production periods:

Description	Volume (MMBtu/d)		Production Period	Weighted Average Price ($/MMBtu)
Natural Gas Swaps:
		30,000	October 2014—December 2014	$	4.121
		26,219	January 2015—December 2015	$	4.071
Natural Gas Put Spread:
Purchased put		20,000	October 2014—December 2014	$	4.50
Sold put		20,000	October 2014—December 2014	$	4.00
Natural Gas Put Sale:
Put sold		16,800	January 2015—December 2015	$	3.350
Natural Gas Collar:
Purchased put		5,000	October 2014—March 2015	$	4.000
Call sold		5,000	October 2014—March 2015	$	4.750
Basis Swaps:
		25,000	November 2014—March 2015	$	(1.067	)
		25,000	April 2015—October 2015	$	(1.208	)

Fair values and gains (losses)

The following table summarizes the fair value of the Company’s derivative instruments on a gross basis and on a net basis as presented in the condensed consolidated balance sheets (in thousands):

Derivatives not designated as hedging instruments under ASC 815	Gross Amount			Netting Adjustments(a)			Net Amount Presented in the Balance Sheets		Balance Sheet Location
As of September 30, 2014
Assets
Commodity derivatives—current	$	3,542		$	(1,462	)	$	2,080	Other current assets
Commodity derivatives—noncurrent		409			(184	)		225	Other assets
Total assets	$	3,951		$	(1,646	)	$	2,305
Liabilities
Commodity derivatives—current	$	(1,462	)	$	1,462		$	—
Commodity derivatives—noncurrent		(184	)		184			—
Total liabilities	$	(1,646	)	$	1,646		$	—

(a) The Company has agreements in place that allow for the financial right to offset for derivative assets and derivative liabilities at settlement or in the event of a default under the agreements.

At December 31, 2013, the Company did not have any derivative instruments in place.

The following table presents the Company’s reported gains and losses on derivative instruments for the periods presented (in thousands):

		Amount of Gain (Loss) Recognized in Income
Derivatives not designated as hedging instruments under ASC 815	Location of Gain (Loss) Recognized in Income	Three Months Ended September 30,				Nine Months Ended September 30,
		2014		2013		2014		2013
Commodity derivatives	Gain on derivative instruments	$	5,572	$	—	$	1,098	$	—

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Fair Value Measurements

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Fair Value Measurements

Note 6—Fair Value Measurements

Fair Value Measurement on a Recurring Basis

The following table presents, by level within the fair value hierarchy, the Company’s assets and liabilities that are measured at fair value on a recurring basis. The carrying amounts reported in the condensed consolidated balance sheets for cash and cash equivalents, accounts receivable, and accounts payable approximate fair value due to the nature of the instrument and/or the short-term maturity of these instruments.

The fair value of the Company’s derivatives is based on third-party pricing models which utilize inputs that are readily available in the public market, such as natural gas forward curves. These values are compared to the values given by counterparties for reasonableness. Since natural gas swaps do not include optionality and therefore generally have no unobservable inputs, they are classified as Level 2.

	Level 1		Level 2		Level 3		Total Fair Value
As of September 30, 2014: (in thousands)
Commodity derivative instruments	$	—	$	2,305	$	—	$	2,305
Total	$	—	$	2,305	$	—	$	2,305

The Company did not have any assets or liabilities that were measured at fair value on a recurring basis as of December 31, 2013.

Nonfinancial Assets and Liabilities

Assets and liabilities acquired in business combinations are recorded at their fair value on the date of acquisition. Significant Level 3 assumptions associated with the calculation of future cash flows used in the analysis of fair value of the oil and natural gas property acquired include the Company’s estimate of future commodity prices, production costs, development expenditures, production, risk-adjusted discount rates, and other relevant data. Additionally, fair value is used to determine the inception value of the Company’s AROs. The inputs used to determine such fair value are primarily based upon costs incurred historically for similar work, as well as estimates from independent third parties for costs that would be incurred to restore leased property to the contractually stipulated condition. Additions to the Company’s ARO represent a nonrecurring Level 3 measurement.

The Company reviews its proved oil and natural gas properties for impairment purposes by comparing the expected undiscounted future cash flows at a producing field level to the unamortized capitalized cost of the asset. Significant assumptions associated with the calculation of future cash flows used in the impairment analysis include the estimate of future commodity prices, production costs, development expenditures, production, risk-adjusted discount rates and other relevant data. As such, the fair value of oil and natural gas properties used in estimating impairment represents a nonrecurring Level 3 measurement.

The estimated fair values of the Company’s financial instruments closely approximate the carrying amounts due, except for long-term debt. (see “Note 7—Debt”)

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Benefit Plans

9 Months Ended

Sep. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Benefit Plans

Note 8—Benefit Plans

The following table details the components of pension benefit cost: (in thousands)

	Three Months Ended September 30,					Nine Months Ended September 30,
	2014			2013		2014			2013
Service cost	$	—		$	—	$	70		$	—
Interest cost		71			—		263			—
Expected return on plan assets		(112	)		—		(336	)		—
Amortization of transition obligations		—			—		70			—
Amortization of net loss		(1	)		—		2			—
Net benefit cost	$	(42	)	$	—	$	69		$	—

There were no employer contributions made during the nine months ended September 30, 2014. As of March 31, 2014, benefit accruals in the plan were frozen resulting in a gain on reduction of pension liability of $0.0 and $2.2 million for the three and nine months ended September 30, 2014, respectively. No such gain was recorded for the three and nine months ended September 30, 2013.

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Summary of Significant Accounting Policies - Major Customers and Associated Percentage of Revenue (Detail) (Sales Revenue, Net [Member], Customer Concentration Risk [Member])	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenue, Major Customer [Line Items]
Major customers and associated percentage of revenue	83.00%	80.00%	88.00%	81.00%
Antero Resources Corporation [Member]
Revenue, Major Customer [Line Items]
Major customers and associated percentage of revenue	48.00%	19.00%	57.00%	26.00%
ARM Energy Management [Member]
Revenue, Major Customer [Line Items]
Major customers and associated percentage of revenue	26.00%		20.00%
Condevco [Member]
Revenue, Major Customer [Line Items]
Major customers and associated percentage of revenue	4.00%	28.00%	5.00%	26.00%
Dominion East Ohio [Member]
Revenue, Major Customer [Line Items]
Major customers and associated percentage of revenue	3.00%	19.00%	4.00%	17.00%
Ergon [Member]
Revenue, Major Customer [Line Items]
Major customers and associated percentage of revenue	2.00%	14.00%	2.00%	12.00%

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Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Lawsuits	Sep. 30, 2013	Sep. 30, 2014 Oxford [Member] acre	Jun. 26, 2013 Oxford [Member] acre	Sep. 30, 2014 Oxford [Member] Modification to Lease [Member] acre	Sep. 30, 2014 Oxford [Member] Unpredicted Modification to Lease [Member] acre	Sep. 30, 2014 Other Lawsuit [Member] acre
Loss Contingencies [Line Items]
Lease agreement period			5 years
Number of lawsuits			3
Capitalized leasehold costs	$ 1.7		$ 1.7
Area of leasehold property held					46,549	181,000	31,040	15,509	230
Rent expense	$ 0.1	$ 0	$ 0.2	$ 0
Lease agreement, term			The Company leases office space under operating leases that expire between the years 2015 - 2018.

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Income Tax

9 Months Ended

Sep. 30, 2014

Income Tax Disclosure [Abstract]

Income Tax

Note 13—Income Tax

For 2014, the Company’s annual estimated effective tax rate is expected to be a benefit of approximately 34.8%, exclusive of the “Change in Tax Status” charge (see “Note 3—Summary of Significant Accounting Policies”) and a discrete item related to the gain on acquisition of Eclipse Operating (see “Note 4—Acquisitions”). The Company expects to incur a tax loss in fiscal year 2014 (due principally to the ability to expense certain intangible drilling and development costs under current law) and thus, no current income taxes are anticipated to be paid. This tax loss is expected to result in a Net Operating Loss carryforward at year-end; however, no valuation allowance has been (or is expected to be) recorded as management believes that there is sufficient future taxable income to fully utilize all tax attributes. This future taxable income arises from reversing temporary differences due to the excess of the book carrying value of oil and gas properties over their corresponding tax bases. Management is not relying on other sources of taxable income in concluding that no valuation allowance is needed.

As of September 30, 2014, the Company has not recorded a reserve for any uncertain tax positions.

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Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Derivative Instrument Positions for Future Production Periods

Below is summary of the Company’s derivative instrument positions, as of September 30, 2014, for future production periods:

Description	Volume (MMBtu/d)		Production Period	Weighted Average Price ($/MMBtu)
Natural Gas Swaps:
		30,000	October 2014—December 2014	$	4.121
		26,219	January 2015—December 2015	$	4.071
Natural Gas Put Spread:
Purchased put		20,000	October 2014—December 2014	$	4.50
Sold put		20,000	October 2014—December 2014	$	4.00
Natural Gas Put Sale:
Put sold		16,800	January 2015—December 2015	$	3.350
Natural Gas Collar:
Purchased put		5,000	October 2014—March 2015	$	4.000
Call sold		5,000	October 2014—March 2015	$	4.750
Basis Swaps:
		25,000	November 2014—March 2015	$	(1.067	)
		25,000	April 2015—October 2015	$	(1.208	)

Fair Value of Derivative Instruments on a Gross Basis and on a Net basis as Presented in Consolidated Balance Sheets

The following table summarizes the fair value of the Company’s derivative instruments on a gross basis and on a net basis as presented in the condensed consolidated balance sheets (in thousands):

Derivatives not designated as hedging instruments under ASC 815	Gross Amount			Netting Adjustments(a)			Net Amount Presented in the Balance Sheets		Balance Sheet Location
As of September 30, 2014
Assets
Commodity derivatives—current	$	3,542		$	(1,462	)	$	2,080	Other current assets
Commodity derivatives—noncurrent		409			(184	)		225	Other assets
Total assets	$	3,951		$	(1,646	)	$	2,305
Liabilities
Commodity derivatives—current	$	(1,462	)	$	1,462		$	—
Commodity derivatives—noncurrent		(184	)		184			—
Total liabilities	$	(1,646	)	$	1,646		$	—

(a) The Company has agreements in place that allow for the financial right to offset for derivative assets and derivative liabilities at settlement or in the event of a default under the agreements.

Summary of Gains and Losses on Derivative Instruments

The following table presents the Company’s reported gains and losses on derivative instruments for the periods presented (in thousands):

		Amount of Gain (Loss) Recognized in Income
Derivatives not designated as hedging instruments under ASC 815	Location of Gain (Loss) Recognized in Income	Three Months Ended September 30,				Nine Months Ended September 30,
		2014		2013		2014		2013
Commodity derivatives	Gain on derivative instruments	$	5,572	$	—	$	1,098	$	—

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Earnings (Loss) Per Share and Pro Forma Earnings (Loss) Per Share - Schedule of Earnings Per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Loss (numerator):
Loss before taxes, as reported	$ (29,598)	$ (16,484)	$ (66,156)	$ (23,983)
Pro forma provision for income tax benefit	10,544		(83,997)
Net loss	(19,054)	(16,484)	(150,153)	(23,983)
Weighted-average shares (denominator):
Weighted-average number of common shares outstanding-basic and diluted	160,000		139,102
Loss per share:
Basic and diluted	$ (0.12)		$ (1.08)
Pro Forma EPS [Member]
Loss (numerator):
Loss before taxes, as reported	(29,598)		(66,156)
Pro forma provision for income tax benefit	10,359		23,155
Net loss	$ (19,239)		$ (43,001)
Weighted-average shares (denominator):
Weighted-average number of common shares outstanding-basic and diluted	160,000		160,000
Loss per share:
Basic and diluted	$ (0.12)		$ (0.27)

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Derivative Financial Instruments - Fair Value of Derivative Instruments on a Gross basis and on a Net Basis as Presented in Consolidated Balance Sheets (Detail) (Commodity Contract [Member], Not Designated as Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014
Derivatives, Fair Value [Line Items]
Gross Amount	$ 3,951
Netting Adjustments	(1,646)	[1]
Net Amount Presented in the Balance Sheets	2,305
Gross Amount	(1,646)
Netting Adjustments	1,646	[1]
Net Amount Presented in the Balance Sheets
Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Gross Amount	(1,462)
Netting Adjustments	1,462	[1]
Net Amount Presented in the Balance Sheets
Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Gross Amount	(184)
Netting Adjustments	184	[1]
Net Amount Presented in the Balance Sheets
Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Gross Amount	3,542
Netting Adjustments	(1,462)	[1]
Net Amount Presented in the Balance Sheets	2,080
Other Noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Gross Amount	409
Netting Adjustments	(184)	[1]
Net Amount Presented in the Balance Sheets	$ 225

[1] The Company has agreements in place that allow for the financial right to offset for derivative assets and derivative liabilities at settlement or in the event of a default under the agreements.

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Condensed Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net loss	$ (19,054)	$ (16,484)	$ (150,153)	$ (23,983)
Other comprehensive loss:
Pension obligation adjustment	(125)		(1,358)
TOTAL COMPREHENSIVE LOSS	$ (19,179)	$ (16,484)	$ (151,511)	$ (23,983)

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Basis of Presentation

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Basis of Presentation

Note 2—Basis of Presentation

The accompanying unaudited condensed consolidated financial statements of Eclipse Resources Corporation for the period from January 1, 2014 through June 23, 2014, as contained within the nine months ended September 30, 2014; the three and nine months ended September 30, 2013; and as of December 31, 2013, pertain to the historical financial statements and results of operations of Eclipse Resources I, LP., our accounting predecessor.

The accompanying condensed consolidated financial statements, which are unaudited except the balance sheet at December 31, 2013 which is derived from audited financial statements, are presented in accordance with the requirements of accounting principles generally accepted in the United States (“U.S. GAAP”) for interim reporting. They do not include all disclosures normally made and contained in annual financial statements. In management’s opinion, all adjustments necessary for a fair presentation of the Company’s financial position, results of operations and cash flows for the periods disclosed have been made. These interim condensed consolidated financial statements should be read in conjunction with the audited financial statements and notes thereto presented in the Company’s financial statements for the year ended December 31, 2013.

Operating results for interim periods may not necessarily be indicative of the results of operations for the full year ending December 31, 2014 or any other future periods.

Preparation in accordance with U.S. GAAP requires the Company to (1) adopt accounting policies within accounting rules set by the Financial Accounting Standards Board (“FASB”) and (2) make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses and other disclosed amounts. “Note 3—Summary of Significant Accounting Policies” describes our significant accounting policies. The Company’s management believes the major estimates and assumptions impacting the condensed consolidated financial statements are the following:

• estimates of proved reserves of oil and natural gas, which affect the calculations of depreciation, depletion and amortization and impairment of capitalized costs of oil and natural gas properties;

• estimates of asset retirement obligations;

• estimates of the fair value of oil and natural gas properties the Company owns, particularly properties that the Company has not yet explored, or fully explored, by drilling and completing wells;

• impairment of undeveloped properties and other assets; and

• depreciation and depletion of property and equipment.

Actual results may differ from estimates and assumptions of future events and these revisions could be material. Future production may vary materially from estimated oil and natural gas proved reserves. Actual future prices may vary significantly from price assumptions.

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Assets and Liabilities that are Measured at Fair Value on a Recurring Basis

The following table presents, by level within the fair value hierarchy, the Company’s assets and liabilities that are measured at fair value on a recurring basis. The carrying amounts reported in the condensed consolidated balance sheets for cash and cash equivalents, accounts receivable, and accounts payable approximate fair value due to the nature of the instrument and/or the short-term maturity of these instruments.

	Level 1		Level 2		Level 3		Total Fair Value
As of September 30, 2014: (in thousands)
Commodity derivative instruments	$	—	$	2,305	$	—	$	2,305
Total	$	—	$	2,305	$	—	$	2,305

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Acquisitions - Summary of Purchase Price Allocation of Assets Acquired and Liabilities Assumed (Detail) (Oxford [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
	Jun. 26, 2013	Jun. 26, 2013
Oxford [Member]
Consideration Given
Cash	$ 652,500
Allocation of Purchase Price
Unproved properties		621,039
Proved properties		40,914
Cash		653
Building and land		1,500
Total assets		664,106
Asset retirement obligations		(8,378)
Pension obligation		(2,522)
Other working capital		(706)
Fair value of net assets acquired		$ 652,500

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Note 12—Commitments and Contingencies

(a) Legal Matters

The West appeal

Prior to the Oxford Acquisition, Oxford commenced a lawsuit on October 24, 2011 in the Common Pleas Court of Belmont County, Ohio against Mr. Barry West, a lessor under an Oxford oil and gas lease, to enforce its rights to access and drill a well pursuant to the lease during its initial 5-year primary term. The lessor counterclaimed, alleging, among other things, that the challenged Oxford lease constituted a lease in perpetuity and, accordingly, should be deemed void and contrary to public policy in the State of Ohio. On October 4, 2013, the Belmont County trial court granted a motion for summary judgment in favor of the lessor and ruled that the lease is a “no term” perpetual lease and, as such, is void as a matter of Ohio law.

The Company has appealed the trial court’s decision in the West case to the Ohio Court of Appeals for the Seventh Appellate District, arguing, among other things, that the Belmont County trial court erred in finding that the lease is a “no term” perpetual lease, by ruling that perpetual leases are void as a matter of Ohio law and by invalidating such leases. The Company cannot predict the outcome of this lawsuit or the amount of time and expense that will be required to resolve the lawsuit.

In addition, many of the Company’s other oil and gas leases in Ohio contain provisions identical or similar to those found in the challenged Oxford lease. Following the ruling of the trial court in the West case, three other lessors filed lawsuits, or amended existing complaints in pending lawsuits, that remain outstanding against the Company to make allegations similar to those made by the lessor West lawsuit. These three lawsuits, together with the West case, affect approximately 230 gross (230 net) leasehold acres and were capitalized on our balance sheet as of September 30, 2014 at $1.7 million.

The Company has undertaken efforts to amend the other leases acquired within the Utica Core Area in the Oxford Acquisition to address the issues raised by the trial court’s ruling in the West case. These efforts have resulted in modifications to leases covering approximately 31,040 net acres out of the approximately 46,549 net acres. The Company’s offer may require modification to address the issues raised by the trial court while the Company’s appeal is pending; however, the Company cannot predict whether the Company will be able to obtain modifications of the leases covering the remaining 15,509 net acres to effectively resolve issues related to the West trial court’s ruling or the amount of time and expense that will be required to amend these leases.

In light of the foregoing, if the appeals court affirms the trial court ruling in the West case, and if other courts in Ohio adopt a similar interpretation of the provisions in other oil and gas leases the Company acquired in the Oxford Acquisition, other lessors may challenge the validity of such leases and those challenged leases may be declared void. Consequently, this could result in a loss of the mineral rights and an impairment of the related assets which could have a material adverse impact on the Company’s financial statements. These costs could potentially be impaired if it was determined that the West lawsuit leases are invalid. Other than this potential impairment, the Company is not able to estimate the range of other potential losses related to this matter.

On September 26, 2014, the Ohio Court of Appeals for the Seventh Appellate District, the same appellate court that will decide the Company’s appeal in the West case, issued its decision in the case of Clyde Hupp et al. v. Beck Energy Corporation, an appeal of a Monroe County trial court decision upon which the trial court in West based its decision. The appellate court held that while Ohio law disfavors perpetual leases, courts in Ohio have not found them to be per se illegal or void from their inception. The appellate court further held that the trial court misinterpreted both the pertinent lease provisions and Ohio law on the subject and erred in concluding that the Beck Energy lease is a no-term, perpetual lease that is void ab initio as against public policy. On November 7, 2014, the plaintiff landowners filed an appeal of the appellate court’s decision with the Supreme Court of Ohio. We are unable to determine at this time whether the Supreme Court of the State of Ohio will agree to accept the appeal.

The Company believes that there are strong grounds for appeal of the West decision, and therefore, the Company intends to pursue all available appellate rights, and to vigorously defend against the claims in this lawsuit. Based on the merits of the Company’s appeal and the favorable holdings in the Hupp v. Beck Energy appellate decision described above, the Company believes that it is not probable that trial court’s decision in West will be upheld in the appeal or that the Company will incur a material loss in the lawsuit. The Company has not recorded an accrual for the potential losses attributable to this lawsuit.

Other Matters

From time to time, the Company may be a party to legal proceedings arising in the ordinary course of business. Management does not believe that a material loss is probable as a result of such proceedings.

(b) Environmental Matters

The Company is subject to numerous laws and regulations governing the discharge of materials into the environment or otherwise relating to environmental protection. To the extent laws are enacted or other governmental action is taken that restricts drilling or imposes environmental protection requirements that result in increased costs to the oil and natural gas industry in general, the business and prospects of the Company could be adversely affected.

(c) Leases

The development of the Company’s oil and natural gas properties under their related leases will require a significant amount of capital. The timing of those expenditures will be determined by the lease provisions, the term of the lease and other factors associated with unproved leasehold acreage. To the extent that the Company is not the operator of oil and natural gas properties that it owns an interest in, the timing, and to some degree the amount, of capital expenditures will be controlled by the operator of such properties.

The Company leases office space under operating leases that expire between the years 2015 - 2018. Rent expense related to the lease agreements for the three months ended September 30, 2014 and 2013 was $0.1 million and $0.0 million, respectively; and for the nine months ended September 30, 2014 and 2013 was $0.2 million and $0.0 million, respectively.