10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

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

FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2013

or

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

FOR THE TRANSITION PERIOD FROM                TO

COMMISSION FILE NUMBER 1-35574

EQT Midstream Partners, LP

(Exact name of registrant as specified in its charter)

DELAWARE	37-1661577
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
625 Liberty Avenue, Suite 1700, Pittsburgh, Pennsylvania	15222
(Address of principal executive offices)	(Zip code)

(412) 553-5700

(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  ý  No  o

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

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

Large Accelerated Filer  o	Accelerated Filero
Non-Accelerated Filer    ý	Smaller reporting companyo

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

As of September 30, 2013, there were 30,468,902 Common Units, 17,339,718 Subordinated Units and 975,686 General Partner Units outstanding.

EQT MIDSTREAM PARTNERS, LP

Index

			Page No.
Glossary of Commonly Used Terms, Abbreviations and Measurements			3 – 4
Part I. Financial Information:
	Item 1.	Financial Statements (Unaudited):
		Statements of Consolidated Operations for the Three and Nine Months Ended September 30, 2013 and 2012	5
		Statements of Consolidated Cash Flows for the Nine Months Ended September 30, 2013 and 2012	6
		Consolidated Balance Sheets as of September 30, 2013 and December 31, 2012	7
		Consolidated Statements of Partners’ Capital for the Nine Months Ended September 30, 2013 and 2012	8
		Notes to Consolidated Financial Statements	9 – 20
	Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	21 – 32
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	33
	Item 4.	Controls and Procedures	34
Part II. Other Information:
	Item 1.	Legal Proceedings	35
	Item 1A.	Risk Factors	35
	Item 6.	Exhibits	35
Signature			36
Index to Exhibits			37

2

Glossary of Commonly Used Terms, Abbreviations and Measurements

adjusted EBITDA - a supplemental non-GAAP financial measure defined by the Company as net income plus net interest expense, depreciation and amortization expense, income tax expense (if applicable), non-cash long-term compensation expense and other non-cash adjustments (if applicable) less other income and the Sunrise Pipeline lease payments that were made prior to the Sunrise Merger.

AFUDC – Allowance for Funds Used During Construction - carrying costs for the construction of certain long-term assets are capitalized and amortized over the related assets’ estimated useful lives.  The capitalized amount for construction of regulated assets includes interest cost and a designated cost of equity for financing the construction of these regulated assets.

Appalachian Basin – the area of the United States composed of those portions of West Virginia, Pennsylvania, Ohio, Maryland, Kentucky and Virginia that lie in the Appalachian Mountains.

British thermal unit – a measure of the amount of energy required to raise the temperature of one pound of water one degree Fahrenheit.

distributable cash flow – a supplemental non-GAAP financial measure defined by the Company as adjusted EBITDA less net cash paid for interest, ongoing maintenance capital expenditures and reimbursable maintenance capital expenditures plus reimbursable maintenance capital expenditures expected to be reimbursed by EQT Corporation (EQT).

firm contract – a contract for transportation services that obligates a customer to pay a fixed monthly charge to reserve an agreed upon amount of pipeline capacity regardless of the actual pipeline capacity used by the customer during each month.

gas – all references to “gas” in this report refer to natural gas.

omnibus agreement - the agreement entered into among the Company, its general partner and EQT in connection with the Company’s initial public offering, pursuant to which EQT agreed to provide the Company with certain general and administrative services and a license to use the name “EQT” and related marks in connection with the Company’s business. The omnibus agreement also provides for certain indemnification and reimbursement obligations between the Company and EQT.

play - a proven geological formation that contains commercial amounts of hydrocarbons.

reservoir - a porous and permeable underground formation containing an individual and separate natural accumulation of producible hydrocarbons (crude oil and/or natural gas) which is confined by impermeable rock or water barriers and is characterized by a single natural pressure system.

throughput - the volume of natural gas transported or passing through a pipeline, plant, terminal or other facility during a particular period.

working gas – the volume of natural gas in the storage reservoir that can be extracted during the normal operation of the storage facility.

Abbreviations

FERC – Federal Energy Regulatory Commission

GAAP – Generally Accepted Accounting Principles

IRS – Internal Revenue Service

SEC – Securities and Exchange Commission

3

Glossary of Commonly Used Terms, Abbreviations and Measurements

Measurements

Btu = one British thermal unit

BBtu  = billion British thermal units

Bcf    = billion cubic feet

Dth  =  million British thermal units

Mcf    = thousand cubic feet

MMBtu  = million British thermal units

MMcf   = million cubic feet

TBtu = trillion British thermal units

Tcf = one trillion cubic feet

4

PART I.  FINANCIAL INFORMATION

Item 1.   Financial Statements

EQT MIDSTREAM PARTNERS, LP

STATEMENTS OF CONSOLIDATED OPERATIONS (UNAUDITED)

		Three Months Ended September 30,				Nine Months Ended September 30,
		2013		2012 (1)		2013 (1)		2012 (1)
		(Thousands, except per unit amounts)
Revenues:
Operating revenues – affiliate	$	35,783	$	26,653	$	105,573	$	74,085
Operating revenues – third party		10,099		7,799		29,511		21,035
Total operating revenues		45,882		34,452		135,084		95,120
Operating expenses:
Operating and maintenance		7,732		8,109		21,093		21,295
Selling, general and administrative		5,279		5,224		15,662		14,120
Depreciation and amortization		5,278		4,645		15,493		10,853
Total operating expenses		18,289		17,978		52,248		46,268
Operating income		27,593		16,474		82,836		48,852
Other income, net		319		1,142		845		7,770
Interest (expense) income, net		(196)		68		(613)		(2,685)
Income before income taxes		27,716		17,684		83,068		53,937
Income tax (expense)		—		(1,726)		(4,053)		(15,217)
Net income	$	27,716	$	15,958	$	79,015	$	38,720
Calculation of Limited Partner Interest in Net Income:
Net income	$	27,716	$	15,958	$	79,015	$	38,720
Less:
Pre-acquisition net income allocated to Parent		—		(1,868)		(6,189)		(24,630)
General partner interest in net income		(755)		(312)		(1,726)		(312)
Limited partner interest in net income	$	26,961	$	13,778	$	71,100	$	13,778
Net income per limited partner unit – basic	$	0.61	$	0.40	$	1.84	$	0.40
Net income per limited partner unit – diluted	$	0.60	$	0.40	$	1.84	$	0.40
Limited partner units outstanding – basic		44,526		34,679		38,618		34,679
Limited partner units outstanding – diluted		44,639		34,684		38,731		34,684
Cash distributions declared per limited partner unit	$	0.43	$	0.35	$	1.20	$	0.35

(1) Financial information for 2012 and the first six months of 2013 have been retrospectively recast to reflect Sunrise Pipeline, LLC (Sunrise), which merged into Equitrans, LP, a subsidiary of EQT Midstream Partners, LP, on July 22, 2013 (Sunrise Merger). See Note B for further discussion.

The accompanying notes are an integral part of these Consolidated Financial Statements.

5

EQT MIDSTREAM PARTNERS, LP

STATEMENTS OF CONSOLIDATED CASH FLOWS (UNAUDITED)

		Nine Months Ended September 30,
		2013 (1)		2012 (1)
		(Thousands)
Cash flows from operating activities:
Net income	$	79,015	$	38,720
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization		15,493		10,853
Deferred income taxes		(262)		27,357
Other income		(845)		(7,770)
Non-cash long-term compensation expense		772		2,150
Non-cash reserve adjustment		(680)		—
Changes in other assets and liabilities:
Accounts receivable		(983)		(10,689)
Accounts payable		(9,728)		189
Due to/from EQT affiliates		3,384		12,066
Other assets and liabilities		1,446		(7,989)
Net cash provided by operating activities		87,612		64,887
Cash flows from investing activities:
Capital expenditures		(56,424)		(168,300)
Net cash used in investing activities		(56,424)		(168,300)
Cash flows from financing activities:
Proceeds from the issuance of common units, net of offering costs		529,442		276,780
Sunrise merger payment (2)		(507,500)		—
Distribution of proceeds		—		(230,887)
Due to/from EQT		—		(44,657)
Retirement of long-term debt		—		(135,235)
Partners’ investments		—		276,543
Distributions paid to unitholders		(44,993)		—
Pre-merger distributions paid to EQT		(31,390)		(10,193)
Capital contributions		4,241		—
Payment of revolver fees		—		(1,864)
Net cash (used in) provided by financing activities		(50,200)		130,487
Net change in cash and cash equivalents		(19,012)		27,074
Cash and cash equivalents at beginning of period		50,041		—
Cash and cash equivalents at end of period	$	31,029	$	27,074
Cash paid during the period for:
Interest paid	$	714	$	6,237
Non-cash activity during the period for:
Non-cash dividend	$	—	$	12,229
Elimination of net current and deferred tax liabilities	$	42,972	$	143,587
Common and GP units issued for Sunrise Merger (2)	$	32,500	$	—

(1)	Financial information for 2012 and the first six months of 2013 have been retrospectively recast to reflect the Sunrise Merger. See Note B for further discussion.
(2)	Total consideration for the Sunrise Merger exceeded EQT’s net carrying value of the Sunrise assets by $324,456.

The accompanying notes are an integral part of these Consolidated Financial Statements.

6

EQT MIDSTREAM PARTNERS, LP

CONSOLIDATED BALANCE SHEETS (UNAUDITED)

		September 30,		December 31,
		2013		2012 (1)
		(Thousands, except number of
		units)
ASSETS
Current assets:
Cash and cash equivalents	$	31,029	$	50,041
Accounts receivable (net of allowance for doubtful accounts of $84 as of September 30, 2013 and $64 as of December 31, 2012)		4,726		3,743
Accounts receivable – affiliate		12,091		11,911
Due from related party		4,271		10,133
Other current assets		593		645
Total current assets		52,710		76,473
Property, plant and equipment		857,107		800,844
Less: accumulated depreciation		(156,789)		(143,713)
Net property, plant and equipment		700,318		657,131
Regulatory assets		19,095		18,223
Other assets		1,398		1,810
Total assets	$	773,521	$	753,637
LIABILITIES AND PARTNERS’ CAPITAL
Current liabilities:
Accounts payable	$	15,365	$	25,093
Due to related party		—		1,273
Accrued liabilities		11,368		8,900
Total current liabilities		26,733		35,266
Deferred income taxes		—		40,842
Unrecognized tax benefits		—		1,920
Other long-term liabilities		2,373		2,760
Total liabilities		29,106		80,788
Partners’ capital:
Predecessor equity		—		197,773
Common units (30,468,902 and 17,339,718 units issued and outstanding at September 30, 2013 and December 31, 2012, respectively)		830,111		313,304
Subordinated units (17,339,718 units issued and outstanding at September 30, 2013 and December 31, 2012)		(91,802)		153,664
General partner interest (975,686 and 707,744 units issued and outstanding at September 30, 2013 and December 31, 2012, respectively)		6,106		8,108
Total partners’ capital		744,415		672,849
Total liabilities and partners’ capital	$	773,521	$	753,637

(1) Financial information for 2012 has been retrospectively recast to reflect the Sunrise Merger. See Note B for further discussion.

The accompanying notes are an integral part of these Consolidated Financial Statements.

7

EQT MIDSTREAM PARTNERS, LP

CONSOLIDATED STATEMENTS OF PARTNERS’ CAPITAL (UNAUDITED)(1)

				Partners’ Capital
		Predecessor		Limited Partners				General
		Equity		Common		Subordinated		Partner		Total
		(Thousands)
Balance at January 1, 2012	$	173,733	$	—	$	—	$	—	$	173,733
Net income		24,630		6,140		7,638		312		38,720
Investment by partners		276,543		—		—		—		276,543
Distributions paid		(10,193)		—		—		—		(10,193)
Non-cash distributions		(12,229)		—		—		—		(12,229)
Elimination of net current and deferred tax liabilities		143,587		—		—		—		143,587
Contribution of net assets to EQT Midstream Partners, LP		(400,231)		56,470		330,279		13,482		—
Issuance of common units to public, net of offering costs		—		276,780		—		—		276,780
Distribution of proceeds		—		(32,837)		(192,049)		(6,001)		(230,887)
Capital contribution		—		913		913		37		1,863
Equity-based compensation plans		—		403		—		—		403
Balance at September 30, 2012	$	195,840	$	307,869	$	146,781	$	7,830	$	658,320
Balance at January 1, 2013	$	197,773	$	313,304	$	153,664	$	8,108	$	672,849
Net income		6,189		39,994		31,106		1,726		79,015
Capital contribution		—		1,778		1,404		66		3,248
Equity-based compensation plans		—		772		—		—		772
Distributions to unitholders		—		(24,672)		(19,421)		(900)		(44,993)
Pre-merger distributions to EQT		(31,390)		—		—		—		(31,390)
Proceeds from equity offering, net of offering costs		—		529,442		—		—		529,442
Elimination of net current and deferred income tax liabilities		42,972		—		—		—		42,972
Sunrise net assets from EQT		(215,544)		—		—		—		(215,544)
Issuance of units		—		20,845		—		11,655		32,500
Purchase price in excess of net assets from EQT		—		(51,352)		(258,555)		(14,549)		(324,456)
Balance at September 30, 2013	$	—	$	830,111	$	(91,802)	$	6,106	$	744,415

(1) Financial information for 2012 and the first six months of 2013 have been retrospectively recast to reflect the Sunrise Merger. See Note B for further discussion.

The accompanying notes are an integral part of these Consolidated Financial Statements.

8

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

A.        Financial Statements

Organization

EQT Midstream Partners, LP (the Partnership, EQT Midstream Partners or the Company), which closed its initial public offering (IPO) on July 2, 2012, is a growth-oriented Delaware limited partnership formed by EQT Corporation in January 2012.  Equitrans, L.P. (Equitrans) is a Pennsylvania limited partnership and the predecessor for accounting purposes of EQT Midstream Partners. EQT Midstream Services, LLC is the Company’s general partner. References in these consolidated financial statements to the “Company,” when used for periods prior to the IPO, refer to Equitrans. References in these consolidated financial statements to the “Company,” when used for periods beginning at or following the IPO, refer collectively to the Partnership and its consolidated subsidiaries. Immediately prior to the closing of the IPO, EQT Corporation contributed all of the partnership interests in Equitrans to the Partnership. Therefore, the historical financial statements contained in this report reflect the assets, liabilities and operations of Equitrans for periods ending before July 2, 2012 and EQT Midstream Partners for periods beginning at or following July 2, 2012. Additionally, as discussed below, the Company’s consolidated financial statements have been retrospectively recast for all periods presented to include the historical results of Sunrise, which was merged into the Company on July 22, 2013, because the transaction was a transfer between entities under common control. References in these consolidated financial statements to ‘‘EQT’’ refer collectively to EQT Corporation and its consolidated subsidiaries.

The Company issued 14,375,000 common units in the IPO. In addition, on July 22, 2013, the Company completed an underwritten public offering of an additional 12,650,000 common units, which included the full exercise of the underwriters’ over-allotment option.  The Company received net proceeds of approximately $529 million from the July 2013 offering, after deducting the underwriters’ discount and offering expenses of approximately $21 million. Net proceeds from the offering were used to fund the cash consideration paid to EQT in connection with the Sunrise Merger. See further discussion of the Sunrise Merger in Note B below.

Nature of Business

The Company is a growth-oriented limited partnership formed by EQT to own, operate, acquire and develop midstream assets in the Appalachian Basin. The Company provides midstream services to EQT and third parties in the Appalachian Basin across 22 counties in Pennsylvania and West Virginia through two primary assets: the transmission and storage system and the gathering system.

The Company’s transmission and storage system includes an approximately 700 mile FERC-regulated interstate pipeline that connects to five long-haul interstate pipelines and multiple distribution companies. The transmission and storage system is supported by 14 associated natural gas storage reservoirs with approximately 400 MMcf per day of peak withdrawal capability and 32 Bcf of working gas capacity. As of September 30, 2013, the transmission assets had total throughput capacity of approximately 2.1 TBtu per day. Revenues are primarily driven by the Company’s firm transmission and storage contracts.

The Company’s gathering system consists of approximately 2,000 miles of FERC-regulated low-pressure gathering lines. Substantially all of the revenues associated with the Company’s gathering system are generated under interruptible gathering service contracts.

Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with United States GAAP for interim financial information and with the requirements of Form 10-Q and Article 10 of Regulation S-X.  Accordingly, they do not include all of the information and footnotes required by United States GAAP for complete financial statements.  In the opinion of management, these statements include all adjustments (consisting of only normal recurring accruals, unless otherwise disclosed in this Form 10-Q) necessary for a fair presentation of the financial position of the Company as of September 30, 2013 and December 31, 2012, the results of its operations for the three and nine months ended September 30, 2013 and 2012 and its cash flows for the nine months ended September 30, 2013 and 2012. Certain previously reported amounts have been reclassified to conform to the current year presentation.

9

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

As discussed in Note B, the Sunrise Merger was a transfer between entities under common control; therefore, the Company recorded the assets and liabilities at EQT’s historical carrying value and recognized the excess of the payment to EQT over the purchase price as an adjustment to Partners’ Capital.  The Company has retrospectively recast the consolidated financial statements, footnotes and other financial information presented to reflect the results of the combined entities. The consolidated financial statements are not necessarily indicative of the results of operations that would have occurred if the Company had owned the assets during the periods reported.

Due to the seasonal nature of the Company’s utility customer contracts, the interim statements for the three and nine months ended September 30, 2013 are not necessarily indicative of the results that may be expected for the year ending December 31, 2013. Operating revenues are currently expected to be higher in the first and fourth quarters of each year.

For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012 as well as “Management’s Discussion and Analysis of Financial Condition and Results of Operations” beginning on page 21 of this Quarterly Report on Form 10-Q.

Limited partner and general partner units

The following table summarizes common, subordinated and general partner units issued during the nine months ended September 30, 2013:

	Limited Partner Units		General
	Common	Subordinated	Partner Units	Total
Balance at December 31, 2012	17,339,718	17,339,718	707,744	35,387,180
July 2013 equity offering	12,650,000	—	—	12,650,000
Sunrise Merger Consideration	479,184	—	267,942	747,126
Balance at September 30, 2013	30,468,902	17,339,718	975,686	48,784,306

As of September 30, 2013, EQT retained a 44.6% equity interest in the Company, which includes 3,443,902 common units, 17,339,718 subordinated units and 975,686 general partner units. EQT also holds the incentive distribution rights.

B.            Sunrise Merger

On July 15, 2013, the Company and Equitrans entered into an Agreement and Plan of Merger with EQT and Sunrise, a wholly owned subsidiary of EQT and the owner of the Sunrise Pipeline. Effective July 22, 2013, Sunrise merged with and into Equitrans, with Equitrans continuing as the surviving company.  The Company paid EQT total consideration of $540 million consisting of a $507.5 million cash payment, 479,184 Company common units and 267,942 Company general partner units. Prior to the Sunrise Merger, Sunrise entered into a precedent agreement with a third party for firm transportation service over a twenty-year term. If a transportation agreement pursuant to this precedent agreement becomes effective on its current terms by December 31, 2014, the Company will make an additional payment of $110 million to EQT. The transportation agreement is subject to review by regulatory authorities, which is expected to be completed by year-end 2013. The Company does not consider it probable that the contract will become effective and thus has not recorded a contingent liability as of September 30, 2013. The Company will also pay EQT additional consideration in the event certain other transportation agreements on the Sunrise system become effective prior to December 31, 2014.

Prior to the Sunrise Merger, the Company operated the Sunrise Pipeline as part of its transmission and storage system under a lease agreement with EQT. The lease was accounted for as a capital lease for GAAP purposes; therefore, prior to the merger, revenues and expenses associated with Sunrise were included in the Company’s historical consolidated financial statements and the Sunrise Pipeline was depreciated over the lease term of 15 years. However, the monthly lease payment to EQT offset the impact of the Sunrise operations on the Company’s adjusted EBITDA and distributable cash flow.  Effective as of the closing of the Sunrise Merger on July 22, 2013, the lease agreement was terminated.

The Sunrise Merger was a transaction between entities under common control.  As a result, the Company was required to recast its financial statements retrospectively to reflect the Sunrise Merger including recasting depreciation expense recognized over the periods prior to the merger to reflect the pipeline’s useful life of 40 years.  Also, the Company recorded the assets

10

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

and liabilities of Sunrise at their carrying amounts to EQT on the date of the merger.  The $324.5 million difference between this net carrying value of $215.5 million and the total consideration of $540 million was recorded as a capital transaction with EQT.  As a result, this portion of the consideration is reported as a financing transaction in the statements of consolidated cash flows.  In addition, because the effect of the recast of the financial statements resulted in the elimination of the capital lease obligation from the Company to Sunrise which was essentially equal to the carrying value of the assets and liabilities, the remaining consideration was also reported as a financing transaction in the statements of consolidated cash flows.

11

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

The historical statements of consolidated operations for the three and nine months ended September 30, 2012 have been recast to retrospectively reflect the Sunrise Merger, as presented below.

		Three Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Revenues:
Operating revenues – affiliate	$	26,653	$	—	$	—	$	26,653
Operating revenues – third party		7,799		—		—		7,799
Interest income from capital lease		—		2,801		(2,801)		—
Total operating revenues		34,452		2,801		(2,801)		34,452
Operating expenses:
Operating and maintenance		8,109		—		—		8,109
Selling, general and administrative		5,211		13		—		5,224
Depreciation and amortization		6,835		—		(2,190)		4,645
Total operating expenses		20,155		13		(2,190)		17,978
Operating income		14,297		2,788		(611)		16,474
Other income, net		615		527		—		1,142
Interest (expense) income, net		(2,901)		168		2,801		68
Income before income taxes		12,011		3,483		2,190		17,684
Income tax (expense)		—		(1,726)		—		(1,726)
Net income	$	12,011	$	1,757	$	2,190	$	15,958
		Nine Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Revenues:
Operating revenues – affiliate	$	74,085	$	—	$	—	$	74,085
Operating revenues – third party		21,035		—		—		21,035
Interest income from capital lease		—		2,801		(2,801)		—
Total operating revenues		95,120		2,801		(2,801)		95,120
Operating expenses:
Operating and maintenance		21,295		—		—		21,295
Selling, general and administrative		14,094		26		—		14,120
Depreciation and amortization		13,043		—		(2,190)		10,853
Total operating expenses		48,432		26		(2,190)		46,268
Operating income		46,688		2,775		(611)		48,852
Other income, net		7,243		897		(370)		7,770
Interest (expense) income, net		(5,654)		291		2,678		(2,685)
Income before income taxes		48,277		3,963		1,697		53,937
Income tax (expense)		(13,131)		(1,943)		(143)		(15,217)
Net income	$	35,146	$	2,020	$	1,554	$	38,720

12

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

The historical statement of consolidated cash flows for the nine months ended September 30, 2012 has been recast to retrospectively reflect the Sunrise Merger, as presented below.

		Nine Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Cash flows from operating activities:
Net income	$	35,146	$	2,020	$	1,554	$	38,720
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization		13,043		—		(2,190)		10,853
Deferred income taxes		6,789		20,568		—		27,357
Other income		(7,243)		(897)		370		(7,770)
Non-cash long-term compensation expense		2,150		—		—		2,150
Changes in other assets and liabilities:
Accounts receivable		(10,689)		—		—		(10,689)
Accounts payable		(12,148)		12,337		—		189
Due to/from EQT affiliates		30,431		(18,365)		—		12,066
Other assets and liabilities		(6,263)		(1,992)		266		(7,989)
Net cash provided by operating activities		51,216		13,671		—		64,887
Cash flows from investing activities:
Capital expenditures		(147,379)		(20,921)		—		(168,300)
Collections on lease receivable		—		838		(838)		—
Net cash used in investing activities		(147,379)		(20,083)		(838)		(168,300)
Cash flows from financing activities:
Proceeds from the issuance of common units, net of offering costs		276,780		—		—		276,780
Distribution of proceeds		(230,887)		—		—		(230,887)
Due to/from EQT		(49,657)		5,000		—		(44,657)
Retirement of long-term debt		(135,235)		—		—		(135,235)
Partners’ investments		276,543		—		—		276,543
Distributions paid to EQT		(10,193)		—		—		(10,193)
Payment of revolver fees		(1,864)		—		—		(1,864)
Capital lease principal payments		(838)		—		838		—
Net cash provided by financing activities		124,649		5,000		838		130,487
Net change in cash and cash equivalents		28,486		(1,412)		—		27,074
Cash and cash equivalents at beginning of period		—		—		—		—
Cash and cash equivalents at end of period	$	28,486	$	(1,412)	$	—	$	27,074
Cash paid during the period for:
Interest paid	$	7,656	$	—	$	(1,419)	$	6,237
Non-cash activity during the period for:
Capital lease asset/obligation	$	213,605	$	215,538	$	(429,143)	$	—
Non-cash distributions	$	205,949	$	193,720	$	(387,440)	$	12,229
Elimination of net current and deferred tax liabilities	$	143,587	$	—	$	—	$	143,587

13

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

The historical consolidated balance sheet as of December 31, 2012 has been recast to retrospectively reflect the Sunrise Merger, as presented below.

		December 31, 2012
		Previously Reported		Sunrise		Eliminations/ Reclassifications		As Recast
		(Thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	21,950	$	28,091	$	—	$	50,041
Accounts receivable		3,743		—		—		3,743
Accounts receivable - affiliate		11,911		—		—		11,911
Due from related party		2,382		8,244		(493)		10,133
Lease receivable - current		—		9,537		(9,537)		—
Other current assets		645		—		—		645
Total current assets		40,631		45,872		(10,030)		76,473
Property, plant and equipment		795,498		—		5,346		800,844
Less: accumulated depreciation		(148,212)		—		4,499		(143,713)
Net property, plant and equipment		647,286		—		9,845		657,131
Regulatory assets		17,877		583		(237)		18,223
Lease receivable		—		209,997		(209,997)		—
Other assets		1,810		—		—		1,810
Total assets	$	707,604	$	256,452	$	(210,419)	$	753,637
LIABILITIES AND PARTNERS’ CAPITAL
Current liabilities:
Accounts payable	$	9,452	$	15,641	$	—	$	25,093
Due to related party		1,130		—		143		1,273
Lease obligation - current		9,537		—		(9,537)		—
Accrued liabilities		10,207		39		(1,346)		8,900
Total current liabilities		30,326		15,680		(10,740)		35,266
Lease obligation		203,305		—		(203,305)		—
Deferred income taxes		—		41,079		(237)		40,842
Unrecognized tax benefits		—		1,920		—		1,920
Other long-term liabilities		2,760		—		—		2,760
Total liabilities		236,391		58,679		(214,282)		80,788
Partners’ capital:
Predecessor equity		—		197,773		—		197,773
Common units		310,679		—		2,625		313,304
Subordinated units		148,397		—		5,267		153,664
General partner interest		12,137		—		(4,029)		8,108
Total partners’ capital		471,213		197,773		3,863		672,849
Total liabilities and partners’ capital	$	707,604	$	256,452	$	(210,419)	$	753,637

14

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

The historical consolidated statement of partners’ capital for the nine months ended September 30, 2012 has been recast to retrospectively reflect the Sunrise Merger, as presented below.

		Nine Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Balance at January 1, 2012	$	173,633	$	100	$	—	$	173,733
Net income		35,146		2,020		1,554		38,720
Investment by partners		276,543		—		—		276,543
Investment by parent		—		193,720		(193,720)		—
Distributions paid		(10,193)		—		—		(10,193)
Non-cash distributions		(205,949)		—		193,720		(12,229)
Elimination of net current and deferred tax liabilities		143,587		—		—		143,587
Contribution of net assets to EQT Midstream Partners, LP		—		—		—		—
Issuance of common units to public, net of offering costs		276,780		—		—		276,780
Distribution of proceeds		(230,887)		—		—		(230,887)
Capital contribution		1,863		—		—		1,863
Equity-based compensation plans		403		—		—		403
Balance at September 30, 2012	$	460,926	$	195,840	$	1,554	$	658,320

C.            Financial Information by Business Segment

Operating segments are revenue-producing components of the enterprise for which separate financial information is produced internally and subject to evaluation by the chief operating decision maker in deciding how to allocate resources.

The Company reports its operations in two segments, which reflect its lines of business. Transmission and storage includes the Company’s FERC-regulated interstate pipeline and storage business. Gathering includes the FERC-regulated, low-pressure gathering system. The operating segments are evaluated on their contribution to the Company’s results based on operating income.

All of the Company’s operating revenues, income from operations and assets are generated or located in the United States.

15

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

		Three Months Ended September 30,						Nine Months EndedSeptember 30,
		2013			2012			2013			2012
		(Thousands)
Revenues from external customers:
Transmission and storage	$	42,858		$	30,606		$	125,883		$	83,116
Gathering		3,024			3,846			9,201			12,004
Total	$	45,882		$	34,452		$	135,084		$	95,120
Operating income (loss):
Transmission and storage	$	30,435		$	18,705		$	90,562		$	52,854
Gathering		(2,842	)		(2,231	)		(7,726	)		(4,002	)
Total operating income	$	27,593		$	16,474		$	82,836		$	48,852
Reconciliation of operating income to net income:
Other income, net		319			1,142			845			7,770
Interest (expense) income, net		(196	)		68			(613	)		(2,685	)
Income tax (expense)		—			(1,726	)		(4,053	)		(15,217	)
Net income	$	27,716		$	15,958		$	79,015		$	38,720

		September 30, 2013		December 31, 2012
		(Thousands)
Segment assets:
Transmission and storage	$	683,260	$	678,437
Gathering		90,261		75,200
Total assets	$	773,521	$	753,637

		Three Months Ended September 30,				Nine Months EndedSeptember 30,
		2013		2012		2013		2012
		(Thousands)
Depreciation and amortization:
Transmission and storage	$	4,542	$	3,926	$	13,295	$	8,744
Gathering		736		719		2,198		2,109
Total	$	5,278	$	4,645	$	15,493	$	10,853
Expenditures for segment assets:
Transmission and storage	$	27,280	$	38,289	$	50,503	$	164,205
Gathering		2,260		2,979		5,921		4,095
Total	$	29,540	$	41,268	$	56,424	$	168,300

D.Related-Party Transactions

In the ordinary course of business, the Company has transactions with affiliated companies. The Company has various contracts with affiliates including, but not limited to, transportation service and precedent agreements, storage agreements and gas gathering agreements.

In connection with the IPO, the Company entered into various agreements with EQT. For instance, the Company entered into an omnibus agreement by and among the Company, its general partner and EQT. Pursuant to the omnibus agreement, EQT or its affiliates perform centralized corporate, general and administrative services for the

16

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

Company, such as legal, corporate recordkeeping, planning, budgeting, regulatory, accounting, billing, business development, treasury, insurance administration and claims processing, risk management, health, safety and environmental, information technology, human resources, investor relations, cash management and banking, payroll, internal audit, taxes and engineering. In exchange, the Company reimburses EQT and its affiliates for the expenses incurred by them in providing these services, except for any expenses associated with EQT’s long-term incentive programs. The omnibus agreement further requires that the Company reimburse EQT and its affiliates for the Company’s allocable portion of the premiums on any insurance policies covering the Company’s assets. EQT does not record any profit or margin for the administrative and operational services charged to the Company.

The Company also entered into an operation and management services agreement with EQT Gathering, LLC (EQT Gathering), pursuant to which EQT Gathering provides the Company’s pipelines and storage facilities with certain operational and management services.  The Company reimburses EQT Gathering for such services pursuant to the terms of the omnibus agreement as described above.

E.Income Taxes

The Company’s financial statements for the periods prior to the IPO include U.S. federal and state income tax as its income was reported and included as part of EQT’s consolidated federal tax return.  In conjunction with the contribution by EQT of the ownership of Equitrans to the Partnership immediately prior to the IPO, approximately $143.6 million of net current and deferred income tax liabilities were eliminated through equity. Effective July 2, 2012, as a result of its limited partnership structure, the Company is no longer subject to federal and state income taxes. For federal and state income tax purposes, all income, expenses, gains, losses and tax credits generated by the Company flow through to the unitholders, and accordingly, do not result in a provision for income taxes for the Company.

As discussed in Note B, the Company completed the Sunrise Merger on July 22, 2013 which was a transaction between entities under common control. Prior to this transaction, Sunrise’s income was reported and included as part of EQT’s consolidated federal tax return; therefore, the Sunrise financial statements included U.S. federal and state income tax.  Accordingly, the income tax effects associated with Sunrise’s operations prior to the Sunrise Merger are reflected in the consolidated financial statements. In the third quarter of 2013, in connection with the Sunrise Merger and the resulting change in tax status of Sunrise, approximately $43.0 million of net current and deferred income tax liabilities were eliminated through equity.

F.Debt

Prior to the IPO, EQT provided financing to the Company directly or indirectly through EQT Capital Corporation (EQT Capital), EQT’s subsidiary finance company. Such financing was generally provided through intercompany term and demand loans that were entered into between EQT Capital and EQT’s subsidiaries.

On July 2, 2012, in connection with the IPO, the Company entered into a $350 million credit facility with Wells Fargo Bank, National Association, as administrative agent, and a syndicate of lenders, which will mature on July 2, 2017. The credit facility is available to fund working capital requirements and capital expenditures, to purchase assets, to pay distributions and repurchase units and for general partnership purposes.

There were no amounts outstanding under the credit facility at September 30, 2013 or December 31, 2012. Additionally, the Company did not have any short-term loans outstanding at any time during the three or nine months ended September 30, 2013 and 2012, respectively. For the three and nine months ended September 30, 2013, commitment fees of approximately $0.2 million and $0.7 million, respectively, were paid to maintain credit availability under the Company’s revolving credit facility at an annual rate of 25 basis points. For the three months ended September 30, 2012, commitment fees of approximately $0.2 million were paid to maintain credit availability under the Company’s revolving credit facility at an annual rate of 25 basis points.

G.Net Income per Limited Partner Unit and Cash Distributions

The Company’s net income is allocated to the general partner and limited partners, including subordinated unitholders, in accordance with their respective ownership percentages, and when applicable, giving effect to incentive distributions allocable to the general partner. The allocation of undistributed earnings, or net income in excess of distributions, to the incentive distribution rights is limited to available cash (as defined by the Company’s partnership agreement) for the period. Net income allocated to the general partner for the three and nine months

17

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

ended September 30, 2013 includes amounts attributed to incentive distributions. The Company’s net income allocable to the limited partners is allocated between common and subordinated unitholders by applying the provisions of the Company’s partnership agreement that govern actual cash distributions as if all earnings for the period had been distributed. Any common units issued during the period are included on a weighted-average basis for the days in which they were outstanding.

Diluted net income per limited partner unit reflects the potential dilution that could occur if securities or agreements to issue common units, such as awards under the long-term incentive plan, were exercised, settled or converted into common units.  When it is determined that potential common units resulting from an award subject to performance or market conditions should be included in the diluted net income per limited partner unit calculation, the impact is reflected by applying the treasury stock method. Potentially dilutive securities, consisting of performance awards and phantom units, included in the calculation of diluted net income per limited partner unit totaled 112,281 and 4,780 for the three months ended September 30, 2013 and 2012, respectively, and 113,297 and 4,780 for the nine months ended September 30, 2013 and 2012, respectively. Performance awards of 146,490 were not included in potentially dilutive securities for the three and nine months ended September 30, 2012 because the performance condition was not met.

The following table presents the Company’s calculation of net income per limited partner unit for common and subordinated limited partner units. Net income attributable to periods prior to the IPO and to the Sunrise Pipeline assets for periods prior to July 22, 2013 is not allocated to the limited partners for purposes of calculating net income per limited partner unit.

		Three Months Ended September 30,						Nine Months EndedSeptember 30,
		2013			2012			2013			2012
		(Thousands, except per unit amounts)
Net income	$	27,716		$	15,958		$	79,015		$	38,720
Less:
Pre-acquisition net income allocated to Parent		—			(1,868	)		(6,189	)		(24,630	)
General partner interest in net income – 2%		(554	)		(312	)		(1,525	)		(312	)
General partner interest in net income attributable to incentive distribution rights		(201	)		—			(201	)		—
Limited partner interest in net income	$	26,961		$	13,778		$	71,100		$	13,778
Net income allocable to common units	$	17,011		$	6,140		$	39,994		$	6,140
Net income allocable to subordinated units		9,950			7,638			31,106			7,638
Limited partner interest in net income	$	26,961		$	13,778		$	71,100		$	13,778
Weighted average limited partner units outstanding – basic
Common units		27,186			17,340			21,278			17,340
Subordinated units		17,340			17,339			17,340			17,339
Total		44,526			34,679			38,618			34,679
Weighted average limited partner units outstanding – diluted
Common units		27,299			17,345			21,391			17,345
Subordinated units		17,340			17,339			17,340			17,339
Total		44,639			34,684			38,731			34,684

18

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

		Three Months Ended September 30,				Nine Months EndedSeptember 30,
		2013		2012		2013		2012
		(Thousands, except per unit amounts)
Net income per limited partner unit – basic
Common units	$	0.63	$	0.35	$	1.88	$	0.35
Subordinated units		0.57		0.44		1.79		0.44
Total	$	0.61	$	0.40	$	1.84	$	0.40
Net income per limited partner unit – diluted
Common units	$	0.62	$	0.35	$	1.87	$	0.35
Subordinated units		0.57		0.44		1.79		0.44
Total	$	0.60	$	0.40	$	1.84	$	0.40

The Company’s partnership agreement requires that, within 45 days after the end of each quarter, the Company distribute all of its available cash (described below) to unitholders of record on the applicable record date.  As further discussed in Note I, a quarterly cash distribution was declared on October 22, 2013, payable November 14, 2013 to unitholders of record on November 4, 2013.

Available cash

Available cash generally means, for any quarter, all cash and cash equivalents on hand at the end of that quarter:

·less, the amount of cash reserves established by the Company’s general partner to:

–provide for the proper conduct of the Company’s business (including reserves for future capital expenditures, anticipated future debt service requirements and refunds of collected rates reasonably likely to be refunded as a result of a settlement or hearing related to FERC rate proceedings or rate proceedings under applicable law subsequent to that quarter);

–comply with applicable law, any of the Company’s debt instruments or other agreements; or

–provide funds for distributions to the Company’s unitholders and to the Company’s general partner for any one or more of the next four quarters (provided that the Company’s general partner may not establish cash reserves for distributions if the effect of the establishment of such reserves will prevent the Company from distributing the minimum quarterly distribution on all common units and any cumulative arrearages on such common units for the current quarter);

·plus, if the Company’s general partner so determines, all or any portion of the cash on hand on the date of determination of available cash for the quarter resulting from working capital borrowings made subsequent to the end of such quarter.

Subordinated Units

All subordinated units are held by EQT. The Company’s partnership agreement provides that, during the period of time referred to as the “subordination period,” the common units will have the right to receive distributions of available cash from operating surplus each quarter in an amount equal to $0.35 per common unit (the minimum quarterly distribution, as defined in the Company’s partnership agreement) plus any arrearages in the payment of the minimum quarterly distribution on the common units from prior quarters, before any distributions of available cash from operating surplus may be made on the subordinated units. The practical effect of the subordinated units is to increase the likelihood that during the subordination period there will be available cash to distribute the minimum quarterly distribution to the common units. The subordination period will end and the subordinated units will convert to common units on a one-for-one basis when certain distribution requirements, as defined in the Company’s partnership agreement, have been met.

Incentive Distribution Rights

All incentive distribution rights are held by the Company’s general partner. Incentive distribution rights represent the right to receive an increasing percentage (13.0%, 23.0% and 48.0%) of quarterly distributions of available cash from operating surplus after the minimum quarterly distribution and the target distribution levels described below have

19

EQT Midstream Partners, LP

Notes to Consolidated Financial Statements (Unaudited)

been achieved. The Company’s general partner may transfer the incentive distribution rights separately from its general partner interest, subject to restrictions in the Company’s partnership agreement.

The following discussion assumes that the Company’s general partner continues to own both its 2.0% general partner interest and the incentive distribution rights.

If for any quarter:

·the Company has distributed available cash from operating surplus to the common and subordinated unitholders in an amount equal to the minimum quarterly distribution; and

·the Company has distributed available cash from operating surplus on outstanding common units in an amount necessary to eliminate any cumulative arrearages in payment of the minimum quarterly distribution;

then, the Company will distribute any additional available cash from operating surplus for that quarter among the unitholders and the Company’s general partner in the following manner:

	Total Quarterly Distribution per	Marginal Percentage Interest in Distributions
	Unit Target Amount	Unitholders	General Partner
Minimum Quarterly Distribution	$0.3500	98.0%	2.0%
First Target Distribution	Above $0.3500 up to $0.4025	98.0%	2.0%
Second Target Distribution	Above $0.4025 up to $0.4375	85.0%	15.0%
Third Target Distribution	Above $0.4375 up to $0.5250	75.0%	25.0%
Thereafter	Above $0.5250	50.0%	50.0%

To the extent these incentive distributions are made to the general partner, there will be more available cash proportionally allocated to the general partner than to holders of common and subordinated units.

H.Subsidiary Guarantors

The Company filed a registration statement on Form S-3 with the SEC on July 1, 2013 to register, among other securities, debt securities. The subsidiaries of the Company (Subsidiaries) are co-registrants with the Company, and the registration statement registered guarantees of debt securities by one or more of the Subsidiaries (other than EQT Midstream Finance Corporation, a 100% owned subsidiary of the Company whose sole purpose is to act as co-issuer of debt securities). The Subsidiaries are 100% owned by the Company and any guarantees by the Subsidiaries will be full and unconditional. The Company has no assets or operations independent of the Subsidiaries, and there are no significant restrictions upon the ability of the Subsidiaries to distribute funds to the Company by dividend or loan. In the event that more than one of the Subsidiaries provide guarantees of any debt securities issued by the Company, such guarantees will constitute joint and several obligations. None of the assets of the Company or the Subsidiaries represent restricted net assets pursuant to Rule 4-08(e)(3) of Regulation S-X under the Securities Act of 1933, as amended.

I.Subsequent Events

On October 22, 2013, the Company announced that the Board of Directors of its general partner declared a cash distribution to the Company’s unitholders for the third quarter of 2013 of $0.43 per common and subordinated unit, $0.4 million to the general partner related to its 2% general partner interest and $0.2 million to the general partner related to its incentive distribution rights.   The cash distribution will be paid on November 14, 2013 to unitholders of record at the close of business on November 4, 2013.

20

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

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

EQT Midstream Partners, LP (the Partnership, EQT Midstream Partners or the Company) closed its initial public offering (IPO) on July 2, 2012.  Equitrans, L.P. (Equitrans) is a Pennsylvania limited partnership and the predecessor for accounting purposes of EQT Midstream Partners.  References in the following discussion to the “Company,” when used for periods prior to the IPO, refer to Equitrans.  References in the following discussion to the “Company,” when used for periods beginning at or following the IPO, refer collectively to the Partnership and its consolidated subsidiaries. Immediately prior to the closing of the IPO, EQT Corporation contributed all of the partnership interests in Equitrans to the Partnership. Therefore, the historical financial statements contained in this report reflect the assets, liabilities and operations of Equitrans for periods ending before July 2, 2012 and EQT Midstream Partners for periods beginning at or following July 2, 2012. Additionally, as discussed below, the Company’s consolidated financial statements have been retrospectively recast for all periods presented to include the historical results of Sunrise Pipeline, LLC (Sunrise), which was merged into the Company on July 22, 2013, as the transaction was a transfer between entities under common control.

The following discussion analyzes, among other things, the financial condition and results of operations of the Company. You should read the following discussion and analysis of financial condition and results of operations in conjunction with the consolidated financial statements, and the notes thereto, included elsewhere in this report. References in the following discussion and analysis to ‘‘EQT’’ refer collectively to EQT Corporation and its consolidated subsidiaries.

CAUTIONARY STATEMENTS

Disclosures in this Quarterly Report on Form 10-Q contain certain forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and Section 27A of the Securities Act of 1933, as amended.  Statements that do not relate strictly to historical or current facts are forward-looking and usually identified by the use of words such as “anticipate,” “estimate,” “could,” “would,” “will,” “may,” “forecast,” “approximate,” “expect,” “project,” “intend,” “plan,” “believe” and other words of similar meaning in connection with any discussion of future operating or financial matters.  Without limiting the generality of the foregoing, forward-looking statements contained in this Quarterly Report on Form 10-Q include the matters discussed in the section captioned “Outlook” in “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and the expectations of plans, strategies, objectives and growth and anticipated financial and operational performance of the Company and its subsidiaries, including guidance regarding transmission and storage and gathering revenue growth (and related adjusted EBITDA and distributable cash flow) and volume growth; infrastructure programs (including the timing, cost, capacity and sources of funding with respect to such programs); natural gas production growth in the Company’s operating areas for EQT and third parties; the amount and timing of distributions; the effect of the termination of the Sunrise Pipeline lease on adjusted EBITDA and distributable cash flow; projected operating and capital expenditures, including the amount and timing of capital expenditures reimbursable by EQT; liquidity and financing requirements, including funding sources and availability; asset acquisitions, including the Company’s ability to complete any asset purchases from EQT and third parties; the effects of government regulation, litigation and tax position. The forward-looking statements in this Quarterly Report on Form 10-Q involve risks and uncertainties that could cause actual results to differ materially from projected results.  Accordingly, investors should not place undue reliance on forward-looking statements as a prediction of actual results.  The Company has based these forward-looking statements on current expectations and assumptions about future events.  While the Company considers these expectations and assumptions to be reasonable, they are inherently subject to significant business, economic, competitive, regulatory and other risks and uncertainties, most of which are difficult to predict and many of which are beyond the Company’s control.  The risks and uncertainties that may affect the operations, performance and results of the Company’s business and forward-looking statements include, but are not limited to, those set forth under Item 1A, “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012.

Any forward-looking statement speaks only as of the date on which such statement is made and the Company does not intend to correct or update any forward-looking statements, whether as a result of new information, future events or otherwise.

In reviewing any agreements incorporated by reference in or filed with this Quarterly Report on Form 10-Q, please remember that such agreements are included to provide information regarding the terms of such agreements and are not intended to provide any other factual or disclosure information about the Company. The agreements may contain representations and warranties by the Company, which should not in all instances be treated as categorical statements of fact, but rather as a way of allocating the risk to one of the parties of such agreements should those statements

21

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

prove to be inaccurate. The representations and warranties were made only as of the date of the relevant agreement or such other date or dates as may be specified in such agreement and are subject to more recent developments.  Accordingly, these representations and warranties alone may not describe the actual state of affairs of the Company or its affiliates as of the date they were made or at any other time.

Executive Overview

On July 15, 2013, the Company and Equitrans entered into an Agreement and Plan of Merger with EQT and Sunrise Pipeline, LLC (Sunrise), a wholly owned subsidiary of EQT and the owner of the Sunrise Pipeline. Effective July 22, 2013, Sunrise merged with and into Equitrans, with Equitrans continuing as the surviving company (the Sunrise Merger).  The Company paid EQT total consideration of $540 million consisting of a $507.5 million cash payment, 479,184 Company common units and 267,942 Company general partner units. Prior to the Sunrise Merger, Sunrise entered into a precedent agreement with a third party for firm transportation service over a twenty-year term. If a transportation agreement pursuant to this precedent agreement becomes effective on its current terms by December 31, 2014, the Company will make an additional payment of $110 million to EQT. The transportation agreement is subject to review by regulatory authorities, which is expected to be completed by year-end 2013. The Company does not consider it probable that the contract will become effective and thus has not recorded a contingent liability as of September 30, 2013. The Company will also pay EQT additional consideration in the event certain other transportation agreements on the Sunrise system become effective prior to December 31, 2014.

Prior to the Sunrise Merger, the Company operated the Sunrise Pipeline as part of its transmission and storage system under a lease agreement with EQT. The lease was accounted for as a capital lease for GAAP purposes and, as a result, revenues and expenses associated with Sunrise were included in the Company’s financial statements. However, the monthly lease payment to EQT offset the impact of Sunrise operations on the Company’s adjusted EBITDA and distributable cash flow.  Effective as of the closing of the Sunrise Merger on July 22, 2013, the lease agreement was terminated; therefore, adjusted EBITDA and distributable cash flow are expected to increase in future periods because no further lease payments will be made. As the transaction was between entities under common control, the Company’s historical consolidated financial statements have been retrospectively recast to reflect the results attributable to Sunrise for all periods presented.

On July 22, 2013, the Company completed an underwritten public offering of 12,650,000 common units, which included the full exercise of the underwriters’ over-allotment option, representing limited partner interests in the Company.  Net proceeds from the offering were used to finance the cash consideration paid to EQT in connection with the Sunrise Merger. Following the offering and Sunrise Merger, EQT retained a 44.6% equity interest in the Company, which includes 3,443,902 common units, 17,339,718 subordinated units and 975,686 general partner units. The Company received net proceeds of approximately $529 million from the offering after deducting the underwriters’ discount and estimated offering expenses of approximately $21 million.

Highlights for the third quarter of 2013 include:

·Increased transmission and storage revenues by 40% for the three months ended September 30, 2013 as compared to the same period in 2012, driven by production development in the Marcellus play, which increased net income by $11.8 million for the three months ended September 30, 2013 as compared to the same period in 2012.

·Achieved adjusted EBITDA of $33.1 million for the three months ended September 30, 2013 as compared to $17.2 million for the three months ended September 30, 2012.

·Achieved distributable cash flow of $29.2 million for the three months ended September 30, 2013 as compared to $11.6 million for the three months ended September 30, 2012.

·Increased cash distribution to unitholders to $0.43 per unit, which represents an 8% increase over the previous distribution paid on August 14, 2013 of $0.40 per unit.

Adjusted EBITDA and distributable cash flow are supplemental non-GAAP financial measures. For an explanation of these measures and a reconciliation of these measures to their most directly comparable GAAP financial measures, please read the discussion below under “Non-GAAP Financial Measures” and “Reconciliation of Non-GAAP Measures.”

22

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

Consolidated Results of Operations

		Three Months Ended September 30,								Nine Months Ended September 30,
		2013			2012		%			2013			2012		%
		(Thousands, except per unit amounts)
Operating revenues:
Transmission and storage revenues	$	42,858		$	30,606		40.0		$	125,883		$	83,116		51.5
Gathering revenues		3,024			3,846		(21.4	)		9,201			12,004		(23.4	)
Total operating revenues		45,882			34,452		33.2			135,084			95,120		42.0
Operating expenses:
Operating and maintenance		7,732			8,109		(4.6	)		21,093			21,295		(0.9	)
Selling, general and administrative		5,279			5,224		1.1			15,662			14,120		10.9
Depreciation and amortization		5,278			4,645		13.6			15,493			10,853		42.8
Total operating expenses		18,289			17,978		1.7			52,248			46,268		12.9
Operating income		27,593			16,474		67.5			82,836			48,852		69.6
Other income, net		319			1,142		(72.1	)		845			7,770		(89.1	)
Interest (expense) income, net		(196	)		68		(388.2	)		(613	)		(2,685	)	(77.2	)
Income before income taxes		27,716			17,684		56.7			83,068			53,937		54.0
Income tax (expense)		—			(1,726	)	(100.0	)		(4,053	)		(15,217	)	(73.4	)
Net income	$	27,716		$	15,958		73.7		$	79,015		$	38,720		104.1
Adjusted EBITDA (1)	$	33,081		$	17,190		92.4		$	83,220		$	17,190		N/M(2)
Distributable cash flow (1)	$	29,183		$	11,632		150.9		$	74,711		$	11,632		N/M(2)

(1)Adjusted EBITDA and distributable cash flow are supplemental non-GAAP financial measures presented for the post-IPO period only. For an explanation of these measures and a reconciliation of these measures to their most directly comparable GAAP financial measures, please read the sections below titled “Non-GAAP Financial Measures” and “Reconciliation of Non-GAAP Measures.”

(2)Not meaningful data as the amounts presented are for the nine months ended September 30, 2013 compared to the post-IPO period of the three months ended September 30, 2012.

Business Segment Results

Operating segments are evaluated on their contribution to the Company’s consolidated results based on operating income. Interest and other income are managed on a consolidated basis. The Company has presented each segment’s operating income and various operational measures in the sections below. Management believes that presentation of this information provides useful information to management and investors regarding the financial condition, results of operations and trends of segments. In addition, management uses these measures for budget planning purposes. The Company has reconciled each segment’s operating income to the Company’s consolidated operating income and net income in Note C to the Consolidated Financial Statements.

23

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

		Three Months Ended September 30,								Nine Months Ended September 30,
		2013			2012		%			2013			2012		%
		(Thousands, except per day amounts)
SEGMENT FINANCIAL DATA – TRANSMISSION AND STORAGE
Operating revenues:
Operating revenues – affiliate	$	34,102		$	24,196		40.9		$	100,588		$	66,376		51.5
Operating revenues – third party		8,756			6,410		36.6			25,295			16,740		51.1
Total operating revenues		42,858			30,606		40.0			125,883			83,116		51.5
Operating expenses:
Operating and maintenance		3,999			4,068		(1.7	)		10,773			11,096		(2.9	)
Selling, general and administrative		3,882			3,907		(0.6	)		11,253			10,422		8.0
Depreciation and amortization		4,542			3,926		15.7			13,295			8,744		52.0
Total operating expenses		12,423			11,901		4.4			35,321			30,262		16.7
Operating income	$	30,435		$	18,705		62.7		$	90,562		$	52,854		71.3
SEGMENT OPERATIONAL DATA – TRANSMISSION AND STORAGE
Transmission pipeline throughput (BBtu per day)		1,210			649		86.4			1,088			544		100.0
Capital expenditures	$	27,280		$	38,289		(28.8	)	$	50,503		$	164,205		(69.2	)
SEGMENT FINANCIAL DATA – GATHERING
Operating revenues:
Operating revenues – affiliate	$	1,681		$	2,457		(31.6	)	$	4,985		$	7,709		(35.3	)
Operating revenues – third party		1,343			1,389		(3.3	)		4,216			4,295		(1.8	)
Total operating revenues		3,024			3,846		(21.4	)		9,201			12,004		(23.4	)
Operating expenses:
Operating and maintenance		3,733			4,041		(7.6	)		10,320			10,199		1.2
Selling, general and administrative		1,397			1,317		6.1			4,409			3,698		19.2
Depreciation and amortization		736			719		2.4			2,198			2,109		4.2
Total operating expenses		5,866			6,077		(3.5	)		16,927			16,006		5.8
Operating loss	$	(2,842	)	$	(2,231	)	27.4		$	(7,726	)	$	(4,002	)	93.1
SEGMENT OPERATIONAL DATA – GATHERING
Gathering volumes (BBtu per day)		58			75		(22.7	)		60			78		(23.1	)
Capital expenditures	$	2,260		$	2,979		(24.1	)	$	5,921		$	4,095		44.6

Three Months Ended September 30, 2013 Compared to Three Months Ended September 30, 2012

Total operating revenues were $45.9 million for the three months ended September 30, 2013 compared to $34.5 million for the three months ended September 30, 2012. The increase was due to a $12.3 million increase in transmission and storage revenues partly offset by a decrease in gathering revenues.

24

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

Transmission and storage revenues increased primarily as a result of increased firm transmission service capacity contracts and increased system throughput. This includes $13.0 million of increased contracted transmission capacity and usage revenues associated with the Sunrise Pipeline and the Blacksville compressor station, which were completed in July and September 2012, respectively, and $0.4 million of fees associated with transported volumes in excess of firm capacity. These increases primarily resulted from increased production development in the Marcellus play. The average daily transmission throughput on the Company’s system increased by 561 BBtu per day during the three months ended September 30, 2013 compared to the three months ended September 30, 2012. These increases were partly offset by a $1.2 million decrease in revenues from storage and parking services.

The average daily volumes gathered decreased 17 BBtu, or 23%, for the three months ended September 30, 2013 compared to the three months ended September 30, 2012, which resulted in reduced gathering revenues.  The decreased volumes were primarily the result of affiliates utilizing new direct interconnects to the Company’s transmission and storage systems.

Operating expenses totaled $18.3 million for the three months ended September 30, 2013 compared to $18.0 million for the three months ended September 30, 2012. The increase in operating expenses was due to a $0.6 million increase in depreciation and amortization expense partly offset by a decrease in operating and maintenance expense.

The increase in depreciation and amortization expense was primarily in the transmission and storage segment and resulted from increased investment in transmission infrastructure, including the Blacksville compressor station.

Other income primarily represents the equity portion of AFUDC, which generally increases during periods of increased construction and decreases during periods of reduced construction. The decrease in other income for the three months ended September 30, 2013 when compared to the three months ended September 30, 2012 primarily resulted from a decrease in applicable construction expenditures in connection with the completion of the Blacksville compressor station.

Interest expense for the three months ended September 30, 2013 was $0.2 million compared to interest income of $0.1 million for the three months ended September 30, 2012. The decrease in interest income primarily relates to a decrease in AFUDC applicable to interest costs which resulted from a decrease in applicable construction expenditures in connection with the completion of the Blacksville compressor station.

Sunrise incurred income tax expense of $1.7 million for the three months ended September 30, 2012. From and after the IPO, the Company is not subject to U.S. federal and state income taxes. Income earned prior to July 2, 2012 was subject to federal and state income tax.  As previously noted, the Sunrise Merger on July 22, 2013 was a transfer between entities under common control for which the financial statements of the Company have been retrospectively recast to reflect the combined entities.  Accordingly, the income tax effects associated with Sunrise’s operations prior to the Sunrise Merger are reflected in the consolidated financial statements as Sunrise was previously part of EQT’s consolidated federal tax return. The decrease in income tax expense resulted from these changes in the tax status.

Nine Months Ended September 30, 2013 Compared to Nine Months Ended September 30, 2012

Total operating revenues were $135.1 million for the nine months ended September 30, 2013 compared to $95.1 million for the nine months ended September 30, 2012. The increase was due to a $42.8 million increase in transmission and storage revenues partly offset by a decrease in gathering revenues.

Transmission and storage revenues increased as a result of increased firm transmission service capacity contracts and increased system throughput. This includes $33.4 million of firm transmission capacity and usage revenues associated with the Sunrise Pipeline and the Blacksville compressor station, $10.3 million of fees associated with transported volumes in excess of firm capacity and $1.8 million of increased pipeline safety revenues. These increases primarily resulted from increased production development in the Marcellus play. These increases were partly offset by a $2.5 million decrease in revenues from storage and parking services. The average daily transmission throughput on the Company’s system increased by 544 BBtu per day during the nine months ended September 30, 2013 compared to the nine months ended September 30, 2012. For the nine months ended September 30, 2013, approximately 67% of the Company’s total operating revenues were generated from firm capacity reservation charges.

25

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

The average daily volumes gathered decreased 18 BBtu, or 23%, for the nine months ended September 30, 2013 compared to the nine months ended September 30, 2012, which resulted in reduced gathering revenues.  The decreased volumes were primarily the result of affiliates utilizing new direct interconnects to the Company’s transmission and storage systems.

Operating expenses totaled $52.2 million for the nine months ended September 30, 2013 compared to $46.3 million for the nine months ended September 30, 2012. The increase in operating expenses was due to increased depreciation and amortization expense of $4.6 million and increased selling, general and administrative expenses of $1.5 million partly offset by a slight decrease in operating and maintenance expense.

The increase in depreciation and amortization expense was primarily in transmission and storage as a result of increased investment in transmission infrastructure, including the Sunrise Pipeline and the Blacksville compressor station.

Selling, general and administrative expenses increased in both segments primarily due to increased personnel costs of $1.8 million and transaction costs incurred in connection with the Sunrise Merger of $0.7 million. These expense increases were partly offset by a decrease in long-term incentive compensation expense of $1.1 million. The historical financial statements prior to the Company’s IPO included long-term incentive compensation expenses associated with the EQT long-term incentive plan, which expense was not allocable to the Partnership subsequent to the IPO.

Other income primarily represents the equity portion of AFUDC, which generally increases during periods of increased construction and decreases during periods of reduced construction. The decrease in other income for the nine months ended September 30, 2013 when compared to the nine months ended September 30, 2012 primarily resulted from a decrease in applicable construction expenditures in connection with the completion of the Sunrise Pipeline project, which was placed into service in July 2012.

Interest expense was $0.6 million for the nine months ended September 30, 2013 compared to $2.7 million for the nine months ended September 30, 2012. For the nine months ended September 30, 2013, interest expense primarily related to commitment fees paid to maintain availability under the Company’s credit facility. For the nine months ended September 30, 2012, interest expense primarily related to intercompany debt which was repaid in June 2012.

Income tax expense was $4.1 million for the nine months ended September 30, 2013 compared to $15.2 million for the nine months ended September 30, 2012. From and after the IPO, the Company is not subject to U.S. federal and state income taxes. Income earned by the Company prior to July 2, 2012 was subject to federal and state income tax. As previously noted, the Sunrise Merger on July 22, 2013 was a transfer between entities under common control for which the financial statements of the Company have been retrospectively recast to reflect the combined entities. Accordingly, the income tax effects associated with Sunrise’s operations prior to the Sunrise Merger are reflected in the consolidated financial statements as Sunrise was previously part of EQT’s consolidated federal tax return. The decrease in income tax expense resulted from these changes in the tax status.

See “Investing Activities” and “Capital Requirements” in the “Capital Resources and Liquidity” section below for a discussion of capital expenditures.

Non-GAAP Financial Measures

The Company defines adjusted EBITDA as net income plus net interest expense, depreciation and amortization expense, income tax expense (if applicable), non-cash long-term compensation expense and other non-cash adjustments (if applicable) less other income and the Sunrise Pipeline lease payments that were made prior to the Sunrise Merger. As used herein, the Company defines distributable cash flow as adjusted EBITDA less net cash paid for interest, ongoing maintenance capital expenditures and reimbursable maintenance capital expenditures plus reimbursable maintenance capital expenditures expected to be reimbursed by EQT.  Distributable cash flow should not be viewed as indicative of the actual amount of cash that the Company has available for distributions from operating surplus or that the Company plans to distribute. Adjusted EBITDA and distributable cash flow are non-GAAP supplemental financial measures that management and external users of the Company’s consolidated financial statements, such as industry analysts, investors, lenders and rating agencies, use to assess:

26

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

·the Company’s operating performance as compared to other publicly traded partnerships in the midstream energy industry, without regard to historical cost basis or, in the case of adjusted EBITDA, financing methods;

·the ability of the Company’s assets to generate sufficient cash flow to make distributions to the Company’s unitholders;

·the Company’s ability to incur and service debt and fund capital expenditures; and

·the viability of acquisitions and other capital expenditure projects and the returns on investment of various investment opportunities.

The Company believes that adjusted EBITDA and distributable cash flow provide useful information to investors in assessing the Company’s financial condition and results of operations. Adjusted EBITDA and distributable cash flow should not be considered as alternatives to net income, operating income, net cash provided by operating activities or any other measure of financial performance or liquidity presented in accordance with GAAP. Adjusted EBITDA and distributable cash flow have important limitations as analytical tools because they exclude some, but not all, items that affect net income and net cash provided by operating activities. Additionally, because adjusted EBITDA and distributable cash flow may be defined differently by other companies in its industry, the Company’s definition of adjusted EBITDA and distributable cash flow may not be comparable to similarly titled measures of other companies, thereby diminishing their utility.

Reconciliation of Non-GAAP Measures

The following table presents a reconciliation of adjusted EBITDA and distributable cash flow with net income and net cash provided by operating activities, the most directly comparable GAAP financial measures.

27

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

		Three Months Ended September 30,						Nine Months Ended September 30,
		2013			2012			2013			2012 (1)
		(Thousands)
Net income	$	27,716		$	15,958		$	79,015		$	15,958
Add:
Interest expense (income), net		196			(68	)		613			(68	)
Depreciation and amortization		5,278			4,645			15,493			4,645
Income tax expense		—			1,726			4,053			1,726
Non-cash long-term compensation expense		210			403			772			403
Non-cash reserve adjustment		—			—			(680	)		—
Less:
Other income, net		(319	)		(1,142	)		(845	)		(1,142	)
Sunrise Pipeline lease payment		—			(4,332	)		(15,201	)		(4,332	)
Adjusted EBITDA	$	33,081		$	17,190		$	83,220		$	17,190
Less:
Cash interest, net		(224	)		(221	)		(664	)		(221	)
Ongoing maintenance capital expenditures(2)		(3,674	)		(5,337	)		(7,845	)		(5,337	)
Reimbursable P&A maintenance capital expenditures(3)		—			(116	)		(566	)		(116	)
Reimbursable bare steel maintenance capital expenditures(3)		(1,390	)		(1,746	)		(2,682	)		(1,746	)
Add:
Reimbursement of reimbursable P&A maintenance capital expenditures(3)		—			116			566			116
Reimbursement of reimbursable bare steel maintenance capital expenditures(3)		1,390			1,746			2,682			1,746
Distributable cash flow	$	29,183		$	11,632		$	74,711		$	11,632
Net cash provided by operating activities	$	35,468		$	8,754		$	87,612		$	8,754
Adjustments:
Interest expense (income), net		196			(68	)		613			(68	)
Current tax (benefit) expense		—			(16,258	)		4,314			(16,258	)
Sunrise Pipeline lease payment		—			(4,332	)		(15,201	)		(4,332	)
Other, including changes in working capital		(2,583	)		29,094			5,882			29,094
Adjusted EBITDA	$	33,081		$	17,190		$	83,220		$	17,190

(1)Presented for post-IPO period only.

(2)Ongoing maintenance capital expenditures are expenditures (including expenditures for the construction or development of new capital assets or the replacement, improvement or expansion of existing capital assets) made to maintain, over the long term, the Company’s operating capacity or operating income.

(3)EQT has reimbursement obligations to the Company for certain capital expenditures for plugging and abandonment (P&A) of natural gas wells and bare steel pipe replacement. For further explanation of these reimbursable maintenance capital expenditures, see the section below titled “Capital Requirements.”

Adjusted EBITDA was $33.1 million for the three months ended September 30, 2013 compared to $17.2 million for the three months ended September 30, 2012. The increase was primarily a result of increased transmission and storage operating revenues from firm transmission service and increased throughput related to production

28

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

development in the Marcellus play and the elimination of the Sunrise lease payment, which resulted from the Sunrise Merger and the related termination of the lease. Distributable cash flow was $29.2 million for the three months ended September 30, 2013 compared to $11.6 million for the three months ended September 30, 2012. The increase was mainly attributable to the increase in Adjusted EBITDA.

Outlook

The Company’s principal business objective is to increase the quarterly cash distributions that it pays to its unitholders over time while ensuring the ongoing growth of its business. The Company believes that it is well-positioned to achieve growth based on the combination of its relationship with EQT and its strategically located assets, which cover portions of the Marcellus Shale that lack substantial natural gas pipeline infrastructure. As production increases in the Company’s areas of operations, the Company believes it will have a competitive advantage in attracting volumes to its system through relatively low-cost capacity expansions. Additionally, the Company may acquire additional midstream assets from EQT, or pursue selected asset acquisitions from third parties, to the extent such acquisitions complement the Company’s or EQT’s existing asset base or allow the Company to capture operational efficiencies from EQT’s production. Should EQT choose to pursue midstream asset sales, it is under no contractual obligation to offer the assets to the Company.

In the near term, the Company expects that the following internal transmission and storage expansion projects also will allow it to capitalize on increased drilling activity by EQT and other third-party producers.

·Low Pressure East Expansion Project.   This project involves uprating or replacing 26 miles of existing transmission pipeline in Greene, Washington and Allegheny counties in Pennsylvania at a cost of approximately $30 million.  The Company expects to complete and place this project into service in the fourth quarter of 2013. When complete, this project is expected to triple the current maximum allowable operating pressure of the pipeline, thereby creating approximately 150 BBtu per day of incremental firm transmission capacity on the system.

·Jefferson Compressor Station Expansion Project. This project involves expanding the Jefferson compressor station to provide approximately 550 BBtu per day of incremental capacity on the Sunrise Pipeline system. When complete, the project is expected to more than double the existing throughput capacity on the Sunrise Pipeline of approximately 400 BBtu per day. The expansion, which is expected to cost approximately $30 million, is expected to be placed into service in the third quarter of 2014.

Capital Resources and Liquidity

Overview

Prior to the IPO, the Company’s primary sources of cash were proceeds from operating activities and cash contributions provided by EQT. From and after the IPO, the Company’s available sources of liquidity include cash generated from operations, $350 million available for borrowing under the Company’s credit facility, cash on hand, debt offerings and issuances of additional partnership units.

The Company believes that cash on hand, cash generated from operations and availability under the credit facility will be adequate to meet the Company’s operating capital, debt service and cash distribution requirements. The Company believes that future internal growth projects and potential acquisitions will be funded primarily through borrowings under the credit facility or through issuances of debt securities and additional partnership units.

Operating Activities

Net cash provided by operating activities totaled $87.6 million for the nine months ended September 30, 2013 compared to $64.9 million for the same period of 2012.  The increase was primarily a result of increased transmission and storage operating revenues from firm transmission service and increased revenues associated with transported volumes in excess of firm capacity related to production development in the Marcellus play. These increases were partly offset by the 2012 cash receipt from EQT for bonus depreciation on the Sunrise Pipeline prior to the Sunrise Merger when Sunrise was included in the consolidated tax return of EQT.

29

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

Investing Activities

Net cash used in investing activities was $56.4 million for the nine months ended September 30, 2013 compared to $168.3 million for the same period of 2012.  The decrease was primarily attributable to a decrease in capital expenditures resulting from the completion of the Sunrise Pipeline in the third quarter of 2012.

See further discussion of capital expenditures in the “Capital Requirements” section below.

Financing Activities

Net cash used in financing activities was $50.2 million for the nine months ended September 30, 2013 compared to $130.5 million of net cash provided by financing activities for the same period of 2012.  On July 22, 2013, the Company paid Sunrise Merger consideration to EQT of $507.5 million. The Company also paid cash distributions to unitholders of $45.0 million and Sunrise pre-merger distributions to EQT of $31.4 million. These cash outflows were partially funded by the net proceeds the Company received from its July 2013 equity offering of approximately $529.4 million, after deducting the underwriters’ discount and offering expenses.

For the nine months ended September 30, 2012, the Company received net proceeds from the IPO of approximately $276.8 million, after deducting the underwriters’ discount and a structuring fee and offering expenses. Approximately $230.9 million of the proceeds were distributed to EQT and $1.9 million was used by the Company to pay revolving credit facility origination fees.

Prior to the IPO, certain affiliate payables were viewed as financing transactions as the Company would have otherwise obtained demand notes or term loans from EQT Capital Corporation (EQT Capital), EQT’s subsidiary finance company, to fund these transactions. Subsequent to the IPO, these transactions reflect services rendered on behalf of the Company by EQT and its affiliates for operating expenses which are expected to be settled monthly. Therefore, these transactions are classified as operating activities subsequent to the IPO.

The Company’s credit facility contains various provisions that, if not complied with, could result in termination of the credit facility, require early payment of amounts outstanding or similar actions.  The most significant covenants and events of default under the credit facility relate to maintenance of permitted leverage coverage and interest coverage ratios, limitations on transactions with affiliates, insolvency events, nonpayment of scheduled principal or interest payments, acceleration of other financial obligations and change of control provisions.  Under the credit facility, the Company is required to maintain a consolidated leverage ratio of not more than 5.00 to 1.00 (or, after the Company obtains an investment grade rating, not more than 5.50 to 1.00 for certain measurement periods following the consummation of certain acquisitions) and, until the Company obtains an investment grade rating, a consolidated interest coverage ratio of not less than 3.00 to 1.00.  As of September 30, 2013, the Company was in compliance with all credit facility provisions and covenants.

Capital Requirements

The transmission, storage and gathering businesses can be capital intensive, requiring significant investment to maintain and upgrade existing operations. Capital expenditures for the three and nine months ended September 30, 2013 and 2012 were as follows:

30

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

		Three Months Ended September 30,				Nine Months Ended September 30,
		2013		2012		2013		2012
		(Thousands)
Expansion capital expenditures	$	20,693	$	31,033	$	35,480	$	151,294
Maintenance capital expenditures:
Ongoing maintenance		3,674		5,337		7,845		9,399
Funded regulatory compliance		3,783		3,036		9,851		3,232
Reimbursable P&A maintenance		—		116		566		2,094
Reimbursable bare steel maintenance		1,390		1,746		2,682		2,281
Total maintenance capital expenditures		8,847		10,235		20,944		17,006
Total capital expenditures	$	29,540	$	41,268	$	56,424	$	168,300

Expansion capital expenditures totaled $20.7 million and $31.0 million for the three months ended September 30, 2013 and 2012, respectively, and $35.5 million and $151.3 million for the nine months ended September 30, 2013 and 2012, respectively. The decrease was primarily due to the completion of the Sunrise Pipeline project and the Blacksville compressor station project which were placed into service during the third quarter of 2012. These decreases were offset by capital expenditures in the current year on the Low Pressure East expansion project and the Jefferson compressor station expansion project.

Ongoing maintenance capital expenditures are all maintenance capital expenditures other than funded regulatory compliance and reimbursable maintenance capital expenditures. Ongoing maintenance capital expenditures were $3.7 million and $5.3 million for the three months ended September 30, 2013 and 2012, respectively, and $7.8 million and $9.4 million for the nine months ended September 30, 2013 and 2012, respectively. The period over period changes are primarily related to the timing of projects.

Funded regulatory compliance capital expenditures were $3.8 million and $3.0 million for the three months ended September 30, 2013 and 2012, respectively, and $9.9 million and $3.2 million for the nine months ended September 30, 2013 and 2012, respectively. The increase in 2013 was due to a program to install remote valve and pressure monitoring equipment on the Company’s transmission and storage system.  Expenditures to relocate certain valve operators above ground and apply corrosion protection also contributed to the increase over the prior periods. Note that the amounts included as funded regulatory compliance for periods prior to the IPO were included for comparative purposes. As these amounts were spent in prior periods, they were not included in the Company’s estimate of $32 million for the initiatives identified at the time of the IPO.

There were no reimbursable P&A maintenance capital expenditures for the three months ended September 30, 2013 compared to $0.1 million for the three months ended September 30, 2012 and there were $0.6 million and $2.1 million for the nine months ended September 30, 2013 and 2012, respectively. The decrease was primarily due to fewer wells being plugged. Reimbursable bare steel maintenance capital expenditures were $1.4 million and $1.7 million for the three months ended September 30, 2013 and 2012, respectively, and $2.7 million and $2.3 million for the nine months ended September 30, 2013 and 2012, respectively. The increase was primarily related to the timing of costs associated with this program. The amounts included as reimbursable maintenance for periods prior to the IPO were included for comparative purposes. EQT has no reimbursement obligations for amounts spent in periods prior to the IPO.

For 2013, the Company forecasts total capital expenditures to be approximately $78 million to $83 million. The Company’s future expansion capital expenditures may vary significantly from period to period based on the available investment opportunities. Maintenance related capital expenditures are also expected to vary quarter to quarter. The Company expects to fund future capital expenditures primarily through cash on hand, cash generated from operations, availability under the Company’s credit facility, the issuance of additional partnership units and debt offerings.

31

EQT Midstream Partners, LP

Management’s Discussion and Analysis of Financial Condition and Results of Operations

Distributions

A cash distribution to unitholders of $0.40 per unit was paid on August 14, 2013 related to the second quarter of 2013. On October 22, 2013, the Company announced that the Board of Directors of its general partner declared a cash distribution to the Company’s unitholders of $0.43 per unit related to the third quarter of 2013.  The cash distribution is payable on November 14, 2013 to unitholders of record at the close of business on November 4, 2013.

Contractual Obligations

As previously described in the Executive Overview section, the Sunrise Pipeline capital lease obligation was eliminated as a result of the Sunrise Merger.

Commitments and Contingencies

In the ordinary course of business, various legal and regulatory claims and proceedings are pending or threatened against the Company.  While the amounts claimed may be substantial, the Company is unable to predict with certainty the ultimate outcome of such claims and proceedings. The Company accrues legal and other direct costs related to loss contingencies when actually incurred. The Company has established reserves it believes to be appropriate for pending matters, and after consultation with counsel and giving appropriate consideration to available insurance, the Company believes that the ultimate outcome of any matter currently pending against the Company will not materially affect its business, financial condition, results of operations, liquidity or ability to make distributions.

Critical Accounting Policies

The Company’s critical accounting policies are described in the notes to the Company’s Consolidated Financial Statements for the year ended December 31, 2012 contained in the Company’s Annual Report on Form 10-K.  Any new accounting policies or updates to existing accounting policies as a result of new accounting pronouncements have been included in the notes to the Company’s Consolidated Financial Statements on this Quarterly Report on Form 10-Q for the period ended September 30, 2013.  The application of the Company’s critical accounting policies may require management to make judgments and estimates about the amounts reflected in the Consolidated Financial Statements.  Management uses historical experience and all available information to make these estimates and judgments.  Different amounts could be reported using different assumptions and estimates.

32

EQT Midstream Partners, LP

Item 3.  Quantitative and Qualitative Disclosures About Market Risk

Commodity Price Risk

Other than the base gas the Company purchases and uses in its natural gas storage facilities, which is necessary to maintain pressure and deliverability in its storage pools, and the small amount of natural gas it purchases for system operations, the Company generally does not take title to the natural gas that is stored or transported on its transmission system; accordingly, the Company is not exposed to commodity price fluctuations on natural gas stored in its facilities or transported through its pipelines by its customers. Base gas purchased and used in natural gas storage facilities, which was generally purchased more than 30 years ago, is considered a long-term asset and is not re-valued at current market prices. Under the Company’s contractual arrangements with its customers the Company is entitled to retain a specified volume of natural gas in order to compensate the Company for its fuel usage and other requirements. Historically, the natural gas volumes retained from the Company’s transmission and storage customers as retention pursuant to the Company’s transmission and storage agreements have been sufficient to cover the Company’s fuel usage and other requirements on the transmission and storage system. However, fuel usage and other requirements on the gathering system have historically exceeded the natural gas volumes retained from the Company’s gathering customers pursuant to its gathering agreements. As a consequence, the Company has purchased natural gas to make up for the difference.  For the nine months ended September 30, 2013 and 2012, the Company’s actual commodity usage volumes exceeded the amounts recovered from its gathering customers for which the Company recognized $2.7 million and $2.8 million, respectively, of purchased gas cost as a component of operating and maintenance expense.  Except for the base gas in its natural gas storage facilities which the Company considers to be a long-term asset and volume and pricing variations related to the volumes of fuel purchased to make up for fuel usage and other requirements in excess of amounts recovered from customers, the Company’s current business model is designed to minimize its exposure to fluctuations in commodity prices. As a result, absent other market factors that could adversely impact its operations, changes in the price of natural gas over the intermediate term should not materially impact the Company’s operations. The Company has not historically engaged in material commodity hedging activities relating to its assets. However, the Company may engage in commodity hedging activities in the future, particularly if it undertakes growth projects or engages in acquisitions that expose it to direct commodity price risk.

Interest Rate Risk

Prior to the IPO, the Company’s operating and acquisition activities were funded through intercompany borrowings with EQT at market rates.  At the closing of the IPO on July 2, 2012, the Company entered into a new $350 million revolving credit facility. The Company may from time to time hedge the interest on portions of its borrowings under the revolving credit facility in order to manage risks associated with floating interest rates.

Credit Risk

The Company is exposed to credit risk. Credit risk represents the loss that it would incur if a counterparty fails to perform under its contractual obligations. Approximately 89% and 87% of the Company’s third party accounts receivable balances of $4.7 million and $3.7 million as of September 30, 2013 and December 31, 2012, respectively, represent amounts due from marketers. The Company manages its exposure to credit risk associated with customers through credit analysis, credit approval, credit limits and monitoring procedures. For certain transactions, the Company may request letters of credit, cash collateral, prepayments or guarantees as forms of credit support. The Company’s tariff requires customers that do not meet specified credit standards to provide three months of credit support; however, the Company is exposed to credit risk beyond this three month period when its tariff does not require its customers to provide additional credit support. For some of the Company’s more recent long-term contracts associated with system expansions, it has entered into negotiated credit agreements that provide for enhanced forms of credit support if certain credit standards are not met. The Company has historically experienced only minimal credit losses in connection with its receivables. The Company is also exposed to the credit risk of EQT, its largest customer. In connection with the IPO, EQT guaranteed all payment obligations, up to a maximum of $50 million, due and payable to Equitrans by EQT Energy, one of Equitrans’ largest customers. The EQT guaranty will terminate on November 30, 2023 unless terminated earlier by EQT upon 10 days written notice.   At September 30, 2013, EQT’s public senior debt had an investment grade credit rating.

33

EQT Midstream Partners, LP

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Under the supervision and with the participation of management of the Company’s general partner, including the general partner’s Principal Executive Officer and Principal Financial Officer, an evaluation of the Company’s disclosure controls and procedures (as defined in Rules 13a-15(e) under the Securities Exchange Act of 1934, as amended (Exchange Act)), was conducted as of the end of the period covered by this report.  Based upon this evaluation, the Principal Executive Officer and Principal Financial Officer of the Company’s general partner have concluded that the Company’s disclosure controls and procedures were effective as of the end of the period covered by this report.

Changes in Internal Control over Financial Reporting

There were no changes in internal control over financial reporting (as such term is defined in Rules 13a-15(f) under the Exchange Act) that occurred during the third quarter of 2013 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

34

PART II.  OTHER INFORMATION

Item 1.  Legal Proceedings

In the ordinary course of business, various legal and regulatory claims and proceedings are pending or threatened against the Company. While the amounts claimed may be substantial, the Company is unable to predict with certainty the ultimate outcome of such claims and proceedings. The Company accrues legal and other direct costs related to loss contingencies when actually incurred. The Company has established reserves it believes to be appropriate for pending matters, and after consultation with counsel and giving appropriate consideration to available insurance, the Company believes that the ultimate outcome of any matter currently pending against the Company will not materially affect the Company’s business, financial condition, results of operations, liquidity or ability to make distributions.

Item 1A. Risk Factors

Information regarding risk factors is discussed in Item 1A, “Risk Factors” of the Company’s Annual Report on Form 10-K for the year ended December 31, 2012.  There have been no material changes from the risk factors previously disclosed in the Company’s Annual Report on Form 10-K.

Item 6.  Exhibits

31.1	Rule 13(a)-14(a) Certification of Principal Executive Officer
31.2	Rule 13(a)-14(a) Certification of Principal Financial Officer
32	Section 1350 Certification of Principal Executive Officer and Principal Financial Officer
101	Interactive Data File

35

Signature

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.

EQT Midstream Partners, LP
(Registrant)
By: EQT Midstream Services, LLC, its General Partner
By:	/s/ Philip P. Conti
	Philip P. Conti
Senior Vice President and Chief Financial Officer

Date:  October 24, 2013

36

INDEX TO EXHIBITS

Exhibit No.	Document Description	Method of Filing
31.1	Rule 13(a)-14(a) Certification of Principal Executive Officer	Filed herewith as Exhibit 31.1
31.2	Rule 13(a)-14(a) Certification of Principal Financial Officer	Filed herewith as Exhibit 31.2
32	Section 1350 Certification of Principal Executive Officer and Principal Financial Officer	Filed herewith as Exhibit 32
101	Interactive Data File	Filed herewith as Exhibit 101

37

EX-31.1

Exhibit 31.1

CERTIFICATION

I, David L. Porges, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of EQT Midstream Partners, LP;

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

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

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) 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 and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

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

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

Date:  October 24, 2013

EQT Midstream Partners, LP

/s/ David L. Porges

David L. Porges

Chairman, President and Chief Executive Officer, EQT Midstream Services, LLC, the registrant’s General Partner

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Philip P. Conti, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of EQT Midstream Partners, LP;

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

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

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) 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 and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

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

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

Date:  October 24, 2013

EQT Midstream Partners, LP

/s/ Philip P. Conti

Philip P. Conti

Senior Vice President and Chief Financial Officer, EQT Midstream Services, LLC, the registrant’s General Partner

EX-32

Exhibit 32

CERTIFICATION

In connection with the Quarterly Report of EQT Midstream Partners, LP (the “Company”) on Form 10-Q for the period ended September 30, 2013, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned certify pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

/s/ David L. Porges	October 24, 2013
David L. Porges Chairman, President and Chief Executive Officer, EQT Midstream Services, LLC, the Company’s General Partner
/s/ Philip P. Conti	October 24, 2013
Philip P. Conti Senior Vice President and Chief Financial Officer, EQT Midstream Services, LLC, the Company’s General Partner

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to EQT Midstream Partners, LP and will be retained by EQT Midstream Partners, LP and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Financial Statements (Tables)

9 Months Ended

Sep. 30, 2013

Financial Statements

Summary of common, subordinated and general partner units issued

	Limited Partner Units		General
	Common	Subordinated	Partner Units	Total
Balance at December 31, 2012	17,339,718	17,339,718	707,744	35,387,180
July 2013 equity offering	12,650,000	—	—	12,650,000
Sunrise Merger Consideration	479,184	—	267,942	747,126
Balance at September 30, 2013	30,468,902	17,339,718	975,686	48,784,306

XML

Statements of Consolidated Cash Flows (Parenthetical) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Statements of Consolidated Cash Flows
Consideration paid in excess of net carrying value	$ 324,456

XML

Financial Information by Business Segment

9 Months Ended

Sep. 30, 2013

Financial Information by Business Segment

Financial Information by Business Segment

C.            Financial Information by Business Segment

Operating segments are revenue-producing components of the enterprise for which separate financial information is produced internally and subject to evaluation by the chief operating decision maker in deciding how to allocate resources.

The Company reports its operations in two segments, which reflect its lines of business. Transmission and storage includes the Company’s FERC-regulated interstate pipeline and storage business. Gathering includes the FERC-regulated, low-pressure gathering system. The operating segments are evaluated on their contribution to the Company’s results based on operating income.

All of the Company’s operating revenues, income from operations and assets are generated or located in the United States.

		Three Months Ended September 30,						Nine Months EndedSeptember 30,
		2013			2012			2013			2012
		(Thousands)
Revenues from external customers:
Transmission and storage	$	42,858		$	30,606		$	125,883		$	83,116
Gathering		3,024			3,846			9,201			12,004
Total	$	45,882		$	34,452		$	135,084		$	95,120
Operating income (loss):
Transmission and storage	$	30,435		$	18,705		$	90,562		$	52,854
Gathering		(2,842	)		(2,231	)		(7,726	)		(4,002	)
Total operating income	$	27,593		$	16,474		$	82,836		$	48,852
Reconciliation of operating income to net income:
Other income, net		319			1,142			845			7,770
Interest (expense) income, net		(196	)		68			(613	)		(2,685	)
Income tax (expense)		—			(1,726	)		(4,053	)		(15,217	)
Net income	$	27,716		$	15,958		$	79,015		$	38,720

		September 30, 2013		December 31, 2012
		(Thousands)
Segment assets:
Transmission and storage	$	683,260	$	678,437
Gathering		90,261		75,200
Total assets	$	773,521	$	753,637

		Three Months Ended September 30,				Nine Months EndedSeptember 30,
		2013		2012		2013		2012
		(Thousands)
Depreciation and amortization:
Transmission and storage	$	4,542	$	3,926	$	13,295	$	8,744
Gathering		736		719		2,198		2,109
Total	$	5,278	$	4,645	$	15,493	$	10,853
Expenditures for segment assets:
Transmission and storage	$	27,280	$	38,289	$	50,503	$	164,205
Gathering		2,260		2,979		5,921		4,095
Total	$	29,540	$	41,268	$	56,424	$	168,300

XML

Sunrise Merger (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues:
Operating revenues - affiliate	$ 35,783	$ 26,653	$ 105,573	$ 74,085
Operating revenues - third party	10,099	7,799	29,511	21,035
Total operating revenues	45,882	34,452	135,084	95,120
Operating expenses:
Operating and maintenance	7,732	8,109	21,093	21,295
Selling, general and administrative	5,279	5,224	15,662	14,120
Depreciation and amortization	5,278	4,645	15,493	10,853
Total operating expenses	18,289	17,978	52,248	46,268
Operating income	27,593	16,474	82,836	48,852
Other income, net	319	1,142	845	7,770
Interest (expense) income, net	(196)	68	(613)	(2,685)
Income before income taxes	27,716	17,684	83,068	53,937
Income tax (expense)		(1,726)	(4,053)	(15,217)
Net income	27,716	15,958	79,015	38,720
Eliminations
Revenues:
Interest income from capital lease		(2,801)		(2,801)
Total operating revenues		(2,801)		(2,801)
Operating expenses:
Depreciation and amortization		(2,190)		(2,190)
Total operating expenses		(2,190)		(2,190)
Operating income		(611)		(611)
Other income, net				(370)
Interest (expense) income, net		2,801		2,678
Income before income taxes		2,190		1,697
Income tax (expense)				(143)
Net income		2,190		1,554
Sunrise
Revenues:
Interest income from capital lease		2,801		2,801
Total operating revenues		2,801		2,801
Operating expenses:
Selling, general and administrative		13		26
Total operating expenses		13		26
Operating income		2,788		2,775
Other income, net		527		897
Interest (expense) income, net		168		291
Income before income taxes		3,483		3,963
Income tax (expense)		(1,726)		(1,943)
Net income		1,757		2,020
Previously Reported
Revenues:
Operating revenues - affiliate		26,653		74,085
Operating revenues - third party		7,799		21,035
Total operating revenues		34,452		95,120
Operating expenses:
Operating and maintenance		8,109		21,295
Selling, general and administrative		5,211		14,094
Depreciation and amortization		6,835		13,043
Total operating expenses		20,155		48,432
Operating income		14,297		46,688
Other income, net		615		7,243
Interest (expense) income, net		(2,901)		(5,654)
Income before income taxes		12,011		48,277
Income tax (expense)				(13,131)
Net income		$ 12,011		$ 35,146

XML

Sunrise Merger (Tables)

9 Months Ended

Sep. 30, 2013

Sunrise Merger

Schedule of historical statements of consolidated operations

		Three Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Revenues:
Operating revenues – affiliate	$	26,653	$	—	$	—	$	26,653
Operating revenues – third party		7,799		—		—		7,799
Interest income from capital lease		—		2,801		(2,801)		—
Total operating revenues		34,452		2,801		(2,801)		34,452
Operating expenses:
Operating and maintenance		8,109		—		—		8,109
Selling, general and administrative		5,211		13		—		5,224
Depreciation and amortization		6,835		—		(2,190)		4,645
Total operating expenses		20,155		13		(2,190)		17,978
Operating income		14,297		2,788		(611)		16,474
Other income, net		615		527		—		1,142
Interest (expense) income, net		(2,901)		168		2,801		68
Income before income taxes		12,011		3,483		2,190		17,684
Income tax (expense)		—		(1,726)		—		(1,726)
Net income	$	12,011	$	1,757	$	2,190	$	15,958
		Nine Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Revenues:
Operating revenues – affiliate	$	74,085	$	—	$	—	$	74,085
Operating revenues – third party		21,035		—		—		21,035
Interest income from capital lease		—		2,801		(2,801)		—
Total operating revenues		95,120		2,801		(2,801)		95,120
Operating expenses:
Operating and maintenance		21,295		—		—		21,295
Selling, general and administrative		14,094		26		—		14,120
Depreciation and amortization		13,043		—		(2,190)		10,853
Total operating expenses		48,432		26		(2,190)		46,268
Operating income		46,688		2,775		(611)		48,852
Other income, net		7,243		897		(370)		7,770
Interest (expense) income, net		(5,654)		291		2,678		(2,685)
Income before income taxes		48,277		3,963		1,697		53,937
Income tax (expense)		(13,131)		(1,943)		(143)		(15,217)
Net income	$	35,146	$	2,020	$	1,554	$	38,720

Schedule of historical statement of consolidated cash flows

		Nine Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Cash flows from operating activities:
Net income	$	35,146	$	2,020	$	1,554	$	38,720
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization		13,043		—		(2,190)		10,853
Deferred income taxes		6,789		20,568		—		27,357
Other income		(7,243)		(897)		370		(7,770)
Non-cash long-term compensation expense		2,150		—		—		2,150
Changes in other assets and liabilities:
Accounts receivable		(10,689)		—		—		(10,689)
Accounts payable		(12,148)		12,337		—		189
Due to/from EQT affiliates		30,431		(18,365)		—		12,066
Other assets and liabilities		(6,263)		(1,992)		266		(7,989)
Net cash provided by operating activities		51,216		13,671		—		64,887
Cash flows from investing activities:
Capital expenditures		(147,379)		(20,921)		—		(168,300)
Collections on lease receivable		—		838		(838)		—
Net cash used in investing activities		(147,379)		(20,083)		(838)		(168,300)
Cash flows from financing activities:
Proceeds from the issuance of common units, net of offering costs		276,780		—		—		276,780
Distribution of proceeds		(230,887)		—		—		(230,887)
Due to/from EQT		(49,657)		5,000		—		(44,657)
Retirement of long-term debt		(135,235)		—		—		(135,235)
Partners’ investments		276,543		—		—		276,543
Distributions paid to EQT		(10,193)		—		—		(10,193)
Payment of revolver fees		(1,864)		—		—		(1,864)
Capital lease principal payments		(838)		—		838		—
Net cash provided by financing activities		124,649		5,000		838		130,487
Net change in cash and cash equivalents		28,486		(1,412)		—		27,074
Cash and cash equivalents at beginning of period		—		—		—		—
Cash and cash equivalents at end of period	$	28,486	$	(1,412)	$	—	$	27,074
Cash paid during the period for:
Interest paid	$	7,656	$	—	$	(1,419)	$	6,237
Non-cash activity during the period for:
Capital lease asset/obligation	$	213,605	$	215,538	$	(429,143)	$	—
Non-cash distributions	$	205,949	$	193,720	$	(387,440)	$	12,229
Elimination of net current and deferred tax liabilities	$	143,587	$	—	$	—	$	143,587

Schedule of historical consolidated balance sheet

		December 31, 2012
		Previously Reported		Sunrise		Eliminations/ Reclassifications		As Recast
		(Thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	21,950	$	28,091	$	—	$	50,041
Accounts receivable		3,743		—		—		3,743
Accounts receivable - affiliate		11,911		—		—		11,911
Due from related party		2,382		8,244		(493)		10,133
Lease receivable - current		—		9,537		(9,537)		—
Other current assets		645		—		—		645
Total current assets		40,631		45,872		(10,030)		76,473
Property, plant and equipment		795,498		—		5,346		800,844
Less: accumulated depreciation		(148,212)		—		4,499		(143,713)
Net property, plant and equipment		647,286		—		9,845		657,131
Regulatory assets		17,877		583		(237)		18,223
Lease receivable		—		209,997		(209,997)		—
Other assets		1,810		—		—		1,810
Total assets	$	707,604	$	256,452	$	(210,419)	$	753,637
LIABILITIES AND PARTNERS’ CAPITAL
Current liabilities:
Accounts payable	$	9,452	$	15,641	$	—	$	25,093
Due to related party		1,130		—		143		1,273
Lease obligation - current		9,537		—		(9,537)		—
Accrued liabilities		10,207		39		(1,346)		8,900
Total current liabilities		30,326		15,680		(10,740)		35,266
Lease obligation		203,305		—		(203,305)		—
Deferred income taxes		—		41,079		(237)		40,842
Unrecognized tax benefits		—		1,920		—		1,920
Other long-term liabilities		2,760		—		—		2,760
Total liabilities		236,391		58,679		(214,282)		80,788
Partners’ capital:
Predecessor equity		—		197,773		—		197,773
Common units		310,679		—		2,625		313,304
Subordinated units		148,397		—		5,267		153,664
General partner interest		12,137		—		(4,029)		8,108
Total partners’ capital		471,213		197,773		3,863		672,849
Total liabilities and partners’ capital	$	707,604	$	256,452	$	(210,419)	$	753,637

Schedule of historical consolidated statement of partners' capital

		Nine Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Balance at January 1, 2012	$	173,633	$	100	$	—	$	173,733
Net income		35,146		2,020		1,554		38,720
Investment by partners		276,543		—		—		276,543
Investment by parent		—		193,720		(193,720)		—
Distributions paid		(10,193)		—		—		(10,193)
Non-cash distributions		(205,949)		—		193,720		(12,229)
Elimination of net current and deferred tax liabilities		143,587		—		—		143,587
Contribution of net assets to EQT Midstream Partners, LP		—		—		—		—
Issuance of common units to public, net of offering costs		276,780		—		—		276,780
Distribution of proceeds		(230,887)		—		—		(230,887)
Capital contribution		1,863		—		—		1,863
Equity-based compensation plans		403		—		—		403
Balance at September 30, 2012	$	460,926	$	195,840	$	1,554	$	658,320

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Sunrise Merger (Details 5) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended
	Jul. 02, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2012 Eliminations	Sep. 30, 2012 Eliminations	Dec. 31, 2012 Eliminations	Sep. 30, 2013 Sunrise	Sep. 30, 2012 Sunrise	Sep. 30, 2012 Sunrise	Dec. 31, 2012 Sunrise	Sep. 30, 2012 Previously Reported	Sep. 30, 2012 Previously Reported	Dec. 31, 2012 Previously Reported
Increase (Decrease) in Partners' Capital
Balance				$ 672,849	$ 173,733			$ 3,863			$ 100	$ 197,773		$ 173,633	$ 471,213
Net income		27,716	15,958	79,015	38,720	2,190	1,554			1,757	2,020		12,011	35,146
Investment by partners					276,543									276,543
Investment by parent							(193,720)				193,720
Distributions paid				(31,390)	(10,193)									(10,193)
Non-cash distributions					(12,229)		387,440				(193,720)			(205,949)
Elimination of net current and deferred tax liabilities	143,600			42,972	143,587				43,000					143,587
Issuance of common units to public, net of offering costs				529,442	276,780									276,780
Distribution of proceeds					(230,887)									(230,887)
Capital contribution				3,248	1,863									1,863
Equity-based compensation plans				772	403									403
Balance		$ 744,415	$ 658,320	$ 744,415	$ 658,320	$ 1,554	$ 1,554	$ 3,863		$ 195,840	$ 195,840	$ 197,773	$ 460,926	$ 460,926	$ 471,213

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Sunrise Merger (Details 4) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 31,029	$ 50,041	$ 27,074
Accounts receivable	4,726	3,743
Accounts receivable - affiliate	12,091	11,911
Due from related party	4,271	10,133
Other current assets	593	645
Total current assets	52,710	76,473
Property, plant and equipment	857,107	800,844
Less: accumulated depreciation	(156,789)	(143,713)
Net property, plant and equipment	700,318	657,131
Regulatory assets	19,095	18,223
Other assets	1,398	1,810
Total assets	773,521	753,637
Current liabilities:
Accounts payable	15,365	25,093
Due to related party		1,273
Accrued liabilities	11,368	8,900
Total current liabilities	26,733	35,266
Deferred income taxes		40,842
Unrecognized tax benefits		1,920
Other long-term liabilities	2,373	2,760
Total liabilities	29,106	80,788
Predecessor equity		197,773
Common units	830,111	313,304
Subordinated units	(91,802)	153,664
General partner interest	6,106	8,108
Total partners' capital	744,415	672,849	658,320	173,733
Total liabilities and partners' capital	773,521	753,637
Eliminations / Reclassifications
Current assets:
Due from related party		(493)
Lease receivable - current		(9,537)
Total current assets		(10,030)
Property, plant and equipment		5,346
Less: accumulated depreciation		4,499
Net property, plant and equipment		9,845
Regulatory assets		(237)
Lease receivable		(209,997)
Total assets		(210,419)
Current liabilities:
Due to related party		143
Lease obligation - current		(9,537)
Accrued liabilities		(1,346)
Total current liabilities		(10,740)
Lease obligation		(203,305)
Deferred income taxes		(237)
Total liabilities		(214,282)
Common units		2,625
Subordinated units		5,267
General partner interest		(4,029)
Total partners' capital		3,863	1,554
Total liabilities and partners' capital		(210,419)
Sunrise
Current assets:
Cash and cash equivalents		28,091	(1,412)
Due from related party		8,244
Lease receivable - current		9,537
Total current assets		45,872
Regulatory assets		583
Lease receivable		209,997
Total assets		256,452
Current liabilities:
Accounts payable		15,641
Accrued liabilities		39
Total current liabilities		15,680
Deferred income taxes		41,079
Unrecognized tax benefits		1,920
Total liabilities		58,679
Predecessor equity		197,773
Total partners' capital		197,773	195,840	100
Total liabilities and partners' capital		256,452
Previously Reported
Current assets:
Cash and cash equivalents		21,950	28,486
Accounts receivable		3,743
Accounts receivable - affiliate		11,911
Due from related party		2,382
Other current assets		645
Total current assets		40,631
Property, plant and equipment		795,498
Less: accumulated depreciation		(148,212)
Net property, plant and equipment		647,286
Regulatory assets		17,877
Other assets		1,810
Total assets		707,604
Current liabilities:
Accounts payable		9,452
Due to related party		1,130
Lease obligation - current		9,537
Accrued liabilities		10,207
Total current liabilities		30,326
Lease obligation		203,305
Other long-term liabilities		2,760
Total liabilities		236,391
Common units		310,679
Subordinated units		148,397
General partner interest		12,137
Total partners' capital		471,213	460,926	173,633
Total liabilities and partners' capital		$ 707,604

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Net Income per Limited Partner Unit and Cash Distributions (Details 4) (USD $)	9 Months Ended	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2013 Distributions of additional available cash General partner	Sep. 30, 2013 Distributions of additional available cash All unitholders
Net Income per Limited Partner Unit and Cash Distributions
General partner interest level (as a percent)	2.00%
Distributions of additional available cash from operating surplus
Marginal Percentage Interest in Minimum Quarterly Distribution		2.00%	98.00%
Marginal Percentage Interest in First Target Distribution		2.00%	98.00%
Total Quarterly Distribution per Unit Target Amount in Minimum Quarterly Distribution (in dollars per share)			$ 0.3500
Total Quarterly Distribution per Unit Target Amount in First Target Distribution, Minimum (in dollars per share)			$ 0.3500
Total Quarterly Distribution per Unit Target Amount in First Target Distribution, Maximum (in dollars per share)			$ 0.4025
Marginal Percentage Interest in Second Target Distribution		15.00%	85.00%
Total Quarterly Distribution per Unit Target Amount in Second Target Distribution, Minimum (in dollars per share)			$ 0.4025
Total Quarterly Distribution per Unit Target Amount in Second Target Distribution, Maximum (in dollars per share)			$ 0.4375
Marginal Percentage Interest in Third Target Distribution		25.00%	75.00%
Total Quarterly Distribution per Unit Target Amount in Third Target Distribution, Minimum (in dollars per share)			$ 0.4375
Total Quarterly Distribution per Unit Target Amount in Third Target Distribution, Maximum (in dollars per share)			$ 0.5250
Total Quarterly Distribution per Unit Target Amount in Subsequent Target Distribution, Minimum (in dollars per share)			$ 0.5250
Marginal Percentage Interest in Subsequent Target Distribution		50.00%	50.00%

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Net Income per Limited Partner Unit and Cash Distributions (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net Income per Limited Partner Unit and Cash Distributions
General partner's ownership interest (as a percent)			2.00%
Company's calculation of net income per unit for common and subordinated limited partner units:
Net income	$ 27,716	$ 15,958	$ 79,015	$ 38,720
Less: pre-acquisition net income allocated to Parent		(1,868)	(6,189)	(24,630)
Less: general partner interest in net income - 2%	(554)	(312)	(1,525)	(312)
General partner interest in net income attributable to incentive distribution rights	(201)		(201)
Limited partner interest in net income	26,961	13,778	71,100	13,778
Limited Partners' net income allocable to common units and subordinated units
Limited partner interest in net income	26,961	13,778	71,100	13,778
Weighted average limited partner units outstanding - basic
Total (in shares)	44,526,000	34,679,000	38,618,000	34,679,000
Weighted average limited partner units outstanding - diluted
Total (in shares)	44,639,000	34,684,000	38,731,000	34,684,000
Net income per limited partner unit - basic
Basic (in dollars per share)	$ 0.61	$ 0.40	$ 1.84	$ 0.40
Net income per limited partner unit - diluted
Diluted (in dollars per share)	$ 0.60	$ 0.40	$ 1.84	$ 0.40
Common Units
Company's calculation of net income per unit for common and subordinated limited partner units:
Net income			39,994	6,140
Limited partner interest in net income	17,011	6,140	39,994	6,140
Limited Partners' net income allocable to common units and subordinated units
Limited partner interest in net income	17,011	6,140	39,994	6,140
Weighted average limited partner units outstanding - basic
Total (in shares)	27,186,000	17,340,000	21,278,000	17,340,000
Weighted average limited partner units outstanding - diluted
Total (in shares)	27,299,000	17,345,000	21,391,000	17,345,000
Net income per limited partner unit - basic
Basic (in dollars per share)	$ 0.63	$ 0.35	$ 1.88	$ 0.35
Net income per limited partner unit - diluted
Diluted (in dollars per share)	$ 0.62	$ 0.35	$ 1.87	$ 0.35
Subordinated Units
Company's calculation of net income per unit for common and subordinated limited partner units:
Net income			31,106	7,638
Limited partner interest in net income	9,950	7,638	31,106	7,638
Limited Partners' net income allocable to common units and subordinated units
Limited partner interest in net income	$ 9,950	$ 7,638	$ 31,106	$ 7,638
Weighted average limited partner units outstanding - basic
Total (in shares)	17,340,000	17,339,000	17,340,000	17,339,000
Weighted average limited partner units outstanding - diluted
Total (in shares)	17,340,000	17,339,000	17,340,000	17,339,000
Net income per limited partner unit - basic
Basic (in dollars per share)	$ 0.57	$ 0.44	$ 1.79	$ 0.44
Net income per limited partner unit - diluted
Diluted (in dollars per share)	$ 0.57	$ 0.44	$ 1.79	$ 0.44
Performance Awards
Net Income per Limited Partner Unit
Securities not included in potentially dilutive securities as performance condition was not met (in shares)		146,490		146,490
Performance awards and phantom units
Net Income per Limited Partner Unit
Potentially dilutive securities included in the calculation of diluted net income per limited partner unit (in shares)	112,281	4,780	113,297	4,780

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Sunrise Merger (Details 3) (USD $) In Thousands, unless otherwise specified	0 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended
	Jul. 22, 2013	Jul. 02, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2012 Eliminations	Sep. 30, 2012 Eliminations	Sep. 30, 2013 Sunrise	Sep. 30, 2012 Sunrise	Sep. 30, 2012 Sunrise	Dec. 31, 2012 Sunrise	Sep. 30, 2012 Previously Reported	Sep. 30, 2012 Previously Reported	Dec. 31, 2012 Previously Reported
Cash flows from operating activities:
Net income			$ 27,716	$ 15,958	$ 79,015	$ 38,720	$ 2,190	$ 1,554		$ 1,757	$ 2,020		$ 12,011	$ 35,146
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization			5,278	4,645	15,493	10,853	(2,190)	(2,190)					6,835	13,043
Deferred income taxes					(262)	27,357					20,568			6,789
Other income					(845)	(7,770)		370			(897)			(7,243)
Non-cash long-term compensation expense					772	2,150								2,150
Changes in other assets and liabilities:
Accounts receivable					(983)	(10,689)								(10,689)
Accounts payable					(9,728)	189					12,337			(12,148)
Due to/from EQT affiliates					3,384	12,066					(18,365)			30,431
Other assets and liabilities					1,446	(7,989)		266			(1,992)			(6,263)
Net cash provided by operating activities					87,612	64,887					13,671			51,216
Cash flows from investing activities:
Capital expenditures					(56,424)	(168,300)					(20,921)			(147,379)
Collections on lease receivable								(838)			838
Net cash used in investing activities					(56,424)	(168,300)		(838)			(20,083)			(147,379)
Cash flows from financing activities:
Proceeds from the issuance of common units, net of offering costs	529,000				529,442	276,780								276,780
Distribution of proceeds						(230,887)								(230,887)
Due to/from EQT						(44,657)					5,000			(49,657)
Retirement of long-term debt						(135,235)								(135,235)
Partners' investments						276,543								276,543
Distributions paid to EQT					(31,390)	(10,193)								(10,193)
Payment of revolver fees						(1,864)								(1,864)
Capital lease principal payments								838						(838)
Net cash (used in) provided by financing activities					(50,200)	130,487		838			5,000			124,649
Net change in cash and cash equivalents					(19,012)	27,074					(1,412)			28,486
Cash and cash equivalents at beginning of period					50,041							28,091			21,950
Cash and cash equivalents at end of period			31,029	27,074	31,029	27,074				(1,412)	(1,412)	28,091	28,486	28,486	21,950
Cash paid during the period for:
Interest paid					714	6,237		(1,419)						7,656
Non-cash activity during the period for:
Capital lease asset/obligation								(429,143)			215,538			213,605
Non-cash distributions						12,229		(387,440)			193,720			205,949
Elimination of net current and deferred tax liabilities		$ 143,600			$ 42,972	$ 143,587			$ 43,000					$ 143,587

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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Consolidated Balance Sheets
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 84	$ 64
Common units issued	30,468,902	17,339,718
Common units outstanding	30,468,902	17,339,718
Subordinated units issued	17,339,718	17,339,718
Subordinated units outstanding	17,339,718	17,339,718
General partner interest, units issued	975,686	707,744
General partner interest, units outstanding	975,686	707,744

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Financial Statements

9 Months Ended

Sep. 30, 2013

Financial Statements

Financial Statements

A.        Financial Statements

Organization

EQT Midstream Partners, LP (the Partnership, EQT Midstream Partners or the Company), which closed its initial public offering (IPO) on July 2, 2012, is a growth-oriented Delaware limited partnership formed by EQT Corporation in January 2012.  Equitrans, L.P. (Equitrans) is a Pennsylvania limited partnership and the predecessor for accounting purposes of EQT Midstream Partners. EQT Midstream Services, LLC is the Company’s general partner. References in these consolidated financial statements to the “Company,” when used for periods prior to the IPO, refer to Equitrans. References in these consolidated financial statements to the “Company,” when used for periods beginning at or following the IPO, refer collectively to the Partnership and its consolidated subsidiaries. Immediately prior to the closing of the IPO, EQT Corporation contributed all of the partnership interests in Equitrans to the Partnership. Therefore, the historical financial statements contained in this report reflect the assets, liabilities and operations of Equitrans for periods ending before July 2, 2012 and EQT Midstream Partners for periods beginning at or following July 2, 2012. Additionally, as discussed below, the Company’s consolidated financial statements have been retrospectively recast for all periods presented to include the historical results of Sunrise, which was merged into the Company on July 22, 2013, because the transaction was a transfer between entities under common control. References in these consolidated financial statements to ‘‘EQT’’ refer collectively to EQT Corporation and its consolidated subsidiaries.

The Company issued 14,375,000 common units in the IPO. In addition, on July 22, 2013, the Company completed an underwritten public offering of an additional 12,650,000 common units, which included the full exercise of the underwriters’ over-allotment option.  The Company received net proceeds of approximately $529 million from the July 2013 offering, after deducting the underwriters’ discount and offering expenses of approximately $21 million. Net proceeds from the offering were used to fund the cash consideration paid to EQT in connection with the Sunrise Merger. See further discussion of the Sunrise Merger in Note B below.

Nature of Business

The Company is a growth-oriented limited partnership formed by EQT to own, operate, acquire and develop midstream assets in the Appalachian Basin. The Company provides midstream services to EQT and third parties in the Appalachian Basin across 22 counties in Pennsylvania and West Virginia through two primary assets: the transmission and storage system and the gathering system.

The Company’s transmission and storage system includes an approximately 700 mile FERC-regulated interstate pipeline that connects to five long-haul interstate pipelines and multiple distribution companies. The transmission and storage system is supported by 14 associated natural gas storage reservoirs with approximately 400 MMcf per day of peak withdrawal capability and 32 Bcf of working gas capacity. As of September 30, 2013, the transmission assets had total throughput capacity of approximately 2.1 TBtu per day. Revenues are primarily driven by the Company’s firm transmission and storage contracts.

The Company’s gathering system consists of approximately 2,000 miles of FERC-regulated low-pressure gathering lines. Substantially all of the revenues associated with the Company’s gathering system are generated under interruptible gathering service contracts.

Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with United States GAAP for interim financial information and with the requirements of Form 10-Q and Article 10 of Regulation S-X.  Accordingly, they do not include all of the information and footnotes required by United States GAAP for complete financial statements.  In the opinion of management, these statements include all adjustments (consisting of only normal recurring accruals, unless otherwise disclosed in this Form 10-Q) necessary for a fair presentation of the financial position of the Company as of September 30, 2013 and December 31, 2012, the results of its operations for the three and nine months ended September 30, 2013 and 2012 and its cash flows for the nine months ended September 30, 2013 and 2012. Certain previously reported amounts have been reclassified to conform to the current year presentation.

As discussed in Note B, the Sunrise Merger was a transfer between entities under common control; therefore, the Company recorded the assets and liabilities at EQT’s historical carrying value and recognized the excess of the payment to EQT over the purchase price as an adjustment to Partners’ Capital.  The Company has retrospectively recast the consolidated financial statements, footnotes and other financial information presented to reflect the results of the combined entities. The consolidated financial statements are not necessarily indicative of the results of operations that would have occurred if the Company had owned the assets during the periods reported.

Due to the seasonal nature of the Company’s utility customer contracts, the interim statements for the three and nine months ended September 30, 2013 are not necessarily indicative of the results that may be expected for the year ending December 31, 2013. Operating revenues are currently expected to be higher in the first and fourth quarters of each year.

For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012 as well as “Management’s Discussion and Analysis of Financial Condition and Results of Operations” beginning on page 21 of this Quarterly Report on Form 10-Q.

Limited partner and general partner units

The following table summarizes common, subordinated and general partner units issued during the nine months ended September 30, 2013:

	Limited Partner Units		General
	Common	Subordinated	Partner Units	Total
Balance at December 31, 2012	17,339,718	17,339,718	707,744	35,387,180
July 2013 equity offering	12,650,000	—	—	12,650,000
Sunrise Merger Consideration	479,184	—	267,942	747,126
Balance at September 30, 2013	30,468,902	17,339,718	975,686	48,784,306

As of September 30, 2013, EQT retained a 44.6% equity interest in the Company, which includes 3,443,902 common units, 17,339,718 subordinated units and 975,686 general partner units. EQT also holds the incentive distribution rights.

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Related-Party Transactions

9 Months Ended

Sep. 30, 2013

Related-Party Transactions

Related-Party Transactions

D.Related-Party Transactions

In the ordinary course of business, the Company has transactions with affiliated companies. The Company has various contracts with affiliates including, but not limited to, transportation service and precedent agreements, storage agreements and gas gathering agreements.

In connection with the IPO, the Company entered into various agreements with EQT. For instance, the Company entered into an omnibus agreement by and among the Company, its general partner and EQT. Pursuant to the omnibus agreement, EQT or its affiliates perform centralized corporate, general and administrative services for the Company, such as legal, corporate recordkeeping, planning, budgeting, regulatory, accounting, billing, business development, treasury, insurance administration and claims processing, risk management, health, safety and environmental, information technology, human resources, investor relations, cash management and banking, payroll, internal audit, taxes and engineering. In exchange, the Company reimburses EQT and its affiliates for the expenses incurred by them in providing these services, except for any expenses associated with EQT’s long-term incentive programs. The omnibus agreement further requires that the Company reimburse EQT and its affiliates for the Company’s allocable portion of the premiums on any insurance policies covering the Company’s assets. EQT does not record any profit or margin for the administrative and operational services charged to the Company.

The Company also entered into an operation and management services agreement with EQT Gathering, LLC (EQT Gathering), pursuant to which EQT Gathering provides the Company’s pipelines and storage facilities with certain operational and management services.  The Company reimburses EQT Gathering for such services pursuant to the terms of the omnibus agreement as described above.

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Sunrise Merger

9 Months Ended

Sep. 30, 2013

Sunrise Merger

Sunrise Merger

B.            Sunrise Merger

On July 15, 2013, the Company and Equitrans entered into an Agreement and Plan of Merger with EQT and Sunrise, a wholly owned subsidiary of EQT and the owner of the Sunrise Pipeline. Effective July 22, 2013, Sunrise merged with and into Equitrans, with Equitrans continuing as the surviving company.  The Company paid EQT total consideration of $540 million consisting of a $507.5 million cash payment, 479,184 Company common units and 267,942 Company general partner units. Prior to the Sunrise Merger, Sunrise entered into a precedent agreement with a third party for firm transportation service over a twenty-year term. If a transportation agreement pursuant to this precedent agreement becomes effective on its current terms by December 31, 2014, the Company will make an additional payment of $110 million to EQT. The transportation agreement is subject to review by regulatory authorities, which is expected to be completed by year-end 2013. The Company does not consider it probable that the contract will become effective and thus has not recorded a contingent liability as of September 30, 2013. The Company will also pay EQT additional consideration in the event certain other transportation agreements on the Sunrise system become effective prior to December 31, 2014.

Prior to the Sunrise Merger, the Company operated the Sunrise Pipeline as part of its transmission and storage system under a lease agreement with EQT. The lease was accounted for as a capital lease for GAAP purposes; therefore, prior to the merger, revenues and expenses associated with Sunrise were included in the Company’s historical consolidated financial statements and the Sunrise Pipeline was depreciated over the lease term of 15 years. However, the monthly lease payment to EQT offset the impact of the Sunrise operations on the Company’s adjusted EBITDA and distributable cash flow.  Effective as of the closing of the Sunrise Merger on July 22, 2013, the lease agreement was terminated.

The Sunrise Merger was a transaction between entities under common control.  As a result, the Company was required to recast its financial statements retrospectively to reflect the Sunrise Merger including recasting depreciation expense recognized over the periods prior to the merger to reflect the pipeline’s useful life of 40 years.  Also, the Company recorded the assets and liabilities of Sunrise at their carrying amounts to EQT on the date of the merger.  The $324.5 million difference between this net carrying value of $215.5 million and the total consideration of $540 million was recorded as a capital transaction with EQT.  As a result, this portion of the consideration is reported as a financing transaction in the statements of consolidated cash flows.  In addition, because the effect of the recast of the financial statements resulted in the elimination of the capital lease obligation from the Company to Sunrise which was essentially equal to the carrying value of the assets and liabilities, the remaining consideration was also reported as a financing transaction in the statements of consolidated cash flows.

The historical statements of consolidated operations for the three and nine months ended September 30, 2012 have been recast to retrospectively reflect the Sunrise Merger, as presented below.

		Three Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Revenues:
Operating revenues – affiliate	$	26,653	$	—	$	—	$	26,653
Operating revenues – third party		7,799		—		—		7,799
Interest income from capital lease		—		2,801		(2,801)		—
Total operating revenues		34,452		2,801		(2,801)		34,452
Operating expenses:
Operating and maintenance		8,109		—		—		8,109
Selling, general and administrative		5,211		13		—		5,224
Depreciation and amortization		6,835		—		(2,190)		4,645
Total operating expenses		20,155		13		(2,190)		17,978
Operating income		14,297		2,788		(611)		16,474
Other income, net		615		527		—		1,142
Interest (expense) income, net		(2,901)		168		2,801		68
Income before income taxes		12,011		3,483		2,190		17,684
Income tax (expense)		—		(1,726)		—		(1,726)
Net income	$	12,011	$	1,757	$	2,190	$	15,958
		Nine Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Revenues:
Operating revenues – affiliate	$	74,085	$	—	$	—	$	74,085
Operating revenues – third party		21,035		—		—		21,035
Interest income from capital lease		—		2,801		(2,801)		—
Total operating revenues		95,120		2,801		(2,801)		95,120
Operating expenses:
Operating and maintenance		21,295		—		—		21,295
Selling, general and administrative		14,094		26		—		14,120
Depreciation and amortization		13,043		—		(2,190)		10,853
Total operating expenses		48,432		26		(2,190)		46,268
Operating income		46,688		2,775		(611)		48,852
Other income, net		7,243		897		(370)		7,770
Interest (expense) income, net		(5,654)		291		2,678		(2,685)
Income before income taxes		48,277		3,963		1,697		53,937
Income tax (expense)		(13,131)		(1,943)		(143)		(15,217)
Net income	$	35,146	$	2,020	$	1,554	$	38,720

The historical statement of consolidated cash flows for the nine months ended September 30, 2012 has been recast to retrospectively reflect the Sunrise Merger, as presented below.

		Nine Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Cash flows from operating activities:
Net income	$	35,146	$	2,020	$	1,554	$	38,720
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization		13,043		—		(2,190)		10,853
Deferred income taxes		6,789		20,568		—		27,357
Other income		(7,243)		(897)		370		(7,770)
Non-cash long-term compensation expense		2,150		—		—		2,150
Changes in other assets and liabilities:
Accounts receivable		(10,689)		—		—		(10,689)
Accounts payable		(12,148)		12,337		—		189
Due to/from EQT affiliates		30,431		(18,365)		—		12,066
Other assets and liabilities		(6,263)		(1,992)		266		(7,989)
Net cash provided by operating activities		51,216		13,671		—		64,887
Cash flows from investing activities:
Capital expenditures		(147,379)		(20,921)		—		(168,300)
Collections on lease receivable		—		838		(838)		—
Net cash used in investing activities		(147,379)		(20,083)		(838)		(168,300)
Cash flows from financing activities:
Proceeds from the issuance of common units, net of offering costs		276,780		—		—		276,780
Distribution of proceeds		(230,887)		—		—		(230,887)
Due to/from EQT		(49,657)		5,000		—		(44,657)
Retirement of long-term debt		(135,235)		—		—		(135,235)
Partners’ investments		276,543		—		—		276,543
Distributions paid to EQT		(10,193)		—		—		(10,193)
Payment of revolver fees		(1,864)		—		—		(1,864)
Capital lease principal payments		(838)		—		838		—
Net cash provided by financing activities		124,649		5,000		838		130,487
Net change in cash and cash equivalents		28,486		(1,412)		—		27,074
Cash and cash equivalents at beginning of period		—		—		—		—
Cash and cash equivalents at end of period	$	28,486	$	(1,412)	$	—	$	27,074
Cash paid during the period for:
Interest paid	$	7,656	$	—	$	(1,419)	$	6,237
Non-cash activity during the period for:
Capital lease asset/obligation	$	213,605	$	215,538	$	(429,143)	$	—
Non-cash distributions	$	205,949	$	193,720	$	(387,440)	$	12,229
Elimination of net current and deferred tax liabilities	$	143,587	$	—	$	—	$	143,587

The historical consolidated balance sheet as of December 31, 2012 has been recast to retrospectively reflect the Sunrise Merger, as presented below.

		December 31, 2012
		Previously Reported		Sunrise		Eliminations/ Reclassifications		As Recast
		(Thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	21,950	$	28,091	$	—	$	50,041
Accounts receivable		3,743		—		—		3,743
Accounts receivable - affiliate		11,911		—		—		11,911
Due from related party		2,382		8,244		(493)		10,133
Lease receivable - current		—		9,537		(9,537)		—
Other current assets		645		—		—		645
Total current assets		40,631		45,872		(10,030)		76,473
Property, plant and equipment		795,498		—		5,346		800,844
Less: accumulated depreciation		(148,212)		—		4,499		(143,713)
Net property, plant and equipment		647,286		—		9,845		657,131
Regulatory assets		17,877		583		(237)		18,223
Lease receivable		—		209,997		(209,997)		—
Other assets		1,810		—		—		1,810
Total assets	$	707,604	$	256,452	$	(210,419)	$	753,637
LIABILITIES AND PARTNERS’ CAPITAL
Current liabilities:
Accounts payable	$	9,452	$	15,641	$	—	$	25,093
Due to related party		1,130		—		143		1,273
Lease obligation - current		9,537		—		(9,537)		—
Accrued liabilities		10,207		39		(1,346)		8,900
Total current liabilities		30,326		15,680		(10,740)		35,266
Lease obligation		203,305		—		(203,305)		—
Deferred income taxes		—		41,079		(237)		40,842
Unrecognized tax benefits		—		1,920		—		1,920
Other long-term liabilities		2,760		—		—		2,760
Total liabilities		236,391		58,679		(214,282)		80,788
Partners’ capital:
Predecessor equity		—		197,773		—		197,773
Common units		310,679		—		2,625		313,304
Subordinated units		148,397		—		5,267		153,664
General partner interest		12,137		—		(4,029)		8,108
Total partners’ capital		471,213		197,773		3,863		672,849
Total liabilities and partners’ capital	$	707,604	$	256,452	$	(210,419)	$	753,637

The historical consolidated statement of partners’ capital for the nine months ended September 30, 2012 has been recast to retrospectively reflect the Sunrise Merger, as presented below.

		Nine Months Ended September 30, 2012
		Previously Reported		Sunrise		Eliminations		As Recast
		(Thousands)
Balance at January 1, 2012	$	173,633	$	100	$	—	$	173,733
Net income		35,146		2,020		1,554		38,720
Investment by partners		276,543		—		—		276,543
Investment by parent		—		193,720		(193,720)		—
Distributions paid		(10,193)		—		—		(10,193)
Non-cash distributions		(205,949)		—		193,720		(12,229)
Elimination of net current and deferred tax liabilities		143,587		—		—		143,587
Contribution of net assets to EQT Midstream Partners, LP		—		—		—		—
Issuance of common units to public, net of offering costs		276,780		—		—		276,780
Distribution of proceeds		(230,887)		—		—		(230,887)
Capital contribution		1,863		—		—		1,863
Equity-based compensation plans		403		—		—		403
Balance at September 30, 2012	$	460,926	$	195,840	$	1,554	$	658,320

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Financial Information by Business Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 item	Sep. 30, 2012	Dec. 31, 2012
Financial Information by Business Segment
Number of operating segments			2
Segment Information
Revenues from external customers:	$ 45,882	$ 34,452	$ 135,084	$ 95,120
Operating income (loss):	27,593	16,474	82,836	48,852
Reconciliation of operating income to net income:
Other income, net	319	1,142	845	7,770
Interest (expense) income, net	(196)	68	(613)	(2,685)
Income tax (expense)		(1,726)	(4,053)	(15,217)
Net income	27,716	15,958	79,015	38,720
Segment assets:	773,521		773,521		753,637
Depreciation and amortization	5,278	4,645	15,493	10,853
Expenditures for segment assets	29,540	41,268	56,424	168,300
Transmission and storage
Segment Information
Revenues from external customers:	42,858	30,606	125,883	83,116
Operating income (loss):	30,435	18,705	90,562	52,854
Reconciliation of operating income to net income:
Segment assets:	683,260		683,260		678,437
Depreciation and amortization	4,542	3,926	13,295	8,744
Expenditures for segment assets	27,280	38,289	50,503	164,205
Gathering
Segment Information
Revenues from external customers:	3,024	3,846	9,201	12,004
Operating income (loss):	(2,842)	(2,231)	(7,726)	(4,002)
Reconciliation of operating income to net income:
Segment assets:	90,261		90,261		75,200
Depreciation and amortization	736	719	2,198	2,109
Expenditures for segment assets	$ 2,260	$ 2,979	$ 5,921	$ 4,095

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Net Income per Limited Partner Unit and Cash Distributions (Details 2) (USD $)	9 Months Ended
	Sep. 30, 2013
Net Income per Limited Partner Unit and Cash Distributions
Maximum period available for distribution of available cash to unit holders	45 days
Quarterly cash distribution from operating surplus serving as threshold for subordinated units distribution (in dollars per share)	$ 0.35
Subordinated units conversion to common units ratio	1

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Statements of Consolidated Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Cash flows from operating activities:
Net income	$ 79,015
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	15,493
Deferred income taxes	(262)
Other income	(845)
Non-cash long-term compensation expense	772
Non-cash reserve adjustment	(680)
Changes in other assets and liabilities:
Accounts receivable	(983)
Accounts payable	(9,728)
Due to/from EQT affiliates	3,384
Other assets and liabilities	1,446
Net cash provided by operating activities	87,612
Cash flows from investing activities:
Capital expenditures	(56,424)
Net cash used in investing activities	(56,424)
Cash flows from financing activities:
Proceeds from the issuance of common units, net of offering costs	529,442
Sunrise merger payment	(507,500)	[1]
Distributions paid to unitholders	(44,993)
Pre-merger distributions paid to EQT	(31,390)
Capital contributions	4,241
Net cash (used in) provided by financing activities	(50,200)
Net change in cash and cash equivalents	(19,012)
Cash and cash equivalents at beginning of period	50,041
Cash and cash equivalents at end of period	31,029
Cash paid during the period for:
Interest paid	714
Non-cash activity during the period for:
Elimination of net current and deferred tax liabilities	42,972
Common and GP units issued for Sunrise Merger	$ 32,500	[1]

[1] Total consideration for the Sunrise merger exceeded EQT's net carrying value of the Sunrise assets by $324,456.

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Net Income per Limited Partner Unit and Cash Distributions

9 Months Ended

Sep. 30, 2013

Net Income per Limited Partner Unit and Cash Distributions

Net Income per Limited Partner Unit and Cash Distributions

G.Net Income per Limited Partner Unit and Cash Distributions

The Company’s net income is allocated to the general partner and limited partners, including subordinated unitholders, in accordance with their respective ownership percentages, and when applicable, giving effect to incentive distributions allocable to the general partner. The allocation of undistributed earnings, or net income in excess of distributions, to the incentive distribution rights is limited to available cash (as defined by the Company’s partnership agreement) for the period. Net income allocated to the general partner for the three and nine months ended September 30, 2013 includes amounts attributed to incentive distributions. The Company’s net income allocable to the limited partners is allocated between common and subordinated unitholders by applying the provisions of the Company’s partnership agreement that govern actual cash distributions as if all earnings for the period had been distributed. Any common units issued during the period are included on a weighted-average basis for the days in which they were outstanding.

Diluted net income per limited partner unit reflects the potential dilution that could occur if securities or agreements to issue common units, such as awards under the long-term incentive plan, were exercised, settled or converted into common units.  When it is determined that potential common units resulting from an award subject to performance or market conditions should be included in the diluted net income per limited partner unit calculation, the impact is reflected by applying the treasury stock method. Potentially dilutive securities, consisting of performance awards and phantom units, included in the calculation of diluted net income per limited partner unit totaled 112,281 and 4,780 for the three months ended September 30, 2013 and 2012, respectively, and 113,297 and 4,780 for the nine months ended September 30, 2013 and 2012, respectively. Performance awards of 146,490 were not included in potentially dilutive securities for the three and nine months ended September 30, 2012 because the performance condition was not met.

The following table presents the Company’s calculation of net income per limited partner unit for common and subordinated limited partner units. Net income attributable to periods prior to the IPO and to the Sunrise Pipeline assets for periods prior to July 22, 2013 is not allocated to the limited partners for purposes of calculating net income per limited partner unit.

		Three Months Ended September 30,						Nine Months EndedSeptember 30,
		2013			2012			2013			2012
		(Thousands, except per unit amounts)
Net income	$	27,716		$	15,958		$	79,015		$	38,720
Less:
Pre-acquisition net income allocated to Parent		—			(1,868	)		(6,189	)		(24,630	)
General partner interest in net income – 2%		(554	)		(312	)		(1,525	)		(312	)
General partner interest in net income attributable to incentive distribution rights		(201	)		—			(201	)		—
Limited partner interest in net income	$	26,961		$	13,778		$	71,100		$	13,778
Net income allocable to common units	$	17,011		$	6,140		$	39,994		$	6,140
Net income allocable to subordinated units		9,950			7,638			31,106			7,638
Limited partner interest in net income	$	26,961		$	13,778		$	71,100		$	13,778
Weighted average limited partner units outstanding – basic
Common units		27,186			17,340			21,278			17,340
Subordinated units		17,340			17,339			17,340			17,339
Total		44,526			34,679			38,618			34,679
Weighted average limited partner units outstanding – diluted
Common units		27,299			17,345			21,391			17,345
Subordinated units		17,340			17,339			17,340			17,339
Total		44,639			34,684			38,731			34,684

		Three Months Ended September 30,				Nine Months EndedSeptember 30,
		2013		2012		2013		2012
		(Thousands, except per unit amounts)
Net income per limited partner unit – basic
Common units	$	0.63	$	0.35	$	1.88	$	0.35
Subordinated units		0.57		0.44		1.79		0.44
Total	$	0.61	$	0.40	$	1.84	$	0.40
Net income per limited partner unit – diluted
Common units	$	0.62	$	0.35	$	1.87	$	0.35
Subordinated units		0.57		0.44		1.79		0.44
Total	$	0.60	$	0.40	$	1.84	$	0.40

The Company’s partnership agreement requires that, within 45 days after the end of each quarter, the Company distribute all of its available cash (described below) to unitholders of record on the applicable record date.  As further discussed in Note I, a quarterly cash distribution was declared on October 22, 2013, payable November 14, 2013 to unitholders of record on November 4, 2013.

Available cash

Available cash generally means, for any quarter, all cash and cash equivalents on hand at the end of that quarter:

· less, the amount of cash reserves established by the Company’s general partner to:

– provide for the proper conduct of the Company’s business (including reserves for future capital expenditures, anticipated future debt service requirements and refunds of collected rates reasonably likely to be refunded as a result of a settlement or hearing related to FERC rate proceedings or rate proceedings under applicable law subsequent to that quarter);

– comply with applicable law, any of the Company’s debt instruments or other agreements; or

– provide funds for distributions to the Company’s unitholders and to the Company’s general partner for any one or more of the next four quarters (provided that the Company’s general partner may not establish cash reserves for distributions if the effect of the establishment of such reserves will prevent the Company from distributing the minimum quarterly distribution on all common units and any cumulative arrearages on such common units for the current quarter);

· plus, if the Company’s general partner so determines, all or any portion of the cash on hand on the date of determination of available cash for the quarter resulting from working capital borrowings made subsequent to the end of such quarter.

Subordinated Units

All subordinated units are held by EQT. The Company’s partnership agreement provides that, during the period of time referred to as the “subordination period,” the common units will have the right to receive distributions of available cash from operating surplus each quarter in an amount equal to $0.35 per common unit (the minimum quarterly distribution, as defined in the Company’s partnership agreement) plus any arrearages in the payment of the minimum quarterly distribution on the common units from prior quarters, before any distributions of available cash from operating surplus may be made on the subordinated units. The practical effect of the subordinated units is to increase the likelihood that during the subordination period there will be available cash to distribute the minimum quarterly distribution to the common units. The subordination period will end and the subordinated units will convert to common units on a one-for-one basis when certain distribution requirements, as defined in the Company’s partnership agreement, have been met.

Incentive Distribution Rights

All incentive distribution rights are held by the Company’s general partner. Incentive distribution rights represent the right to receive an increasing percentage (13.0%, 23.0% and 48.0%) of quarterly distributions of available cash from operating surplus after the minimum quarterly distribution and the target distribution levels described below have been achieved. The Company’s general partner may transfer the incentive distribution rights separately from its general partner interest, subject to restrictions in the Company’s partnership agreement.

The following discussion assumes that the Company’s general partner continues to own both its 2.0% general partner interest and the incentive distribution rights.

If for any quarter:

· the Company has distributed available cash from operating surplus to the common and subordinated unitholders in an amount equal to the minimum quarterly distribution; and

· the Company has distributed available cash from operating surplus on outstanding common units in an amount necessary to eliminate any cumulative arrearages in payment of the minimum quarterly distribution;

then, the Company will distribute any additional available cash from operating surplus for that quarter among the unitholders and the Company’s general partner in the following manner:

	Total Quarterly Distribution per	Marginal Percentage Interest in Distributions
	Unit Target Amount	Unitholders	General Partner
Minimum Quarterly Distribution	$0.3500	98.0%	2.0%
First Target Distribution	Above $0.3500 up to $0.4025	98.0%	2.0%
Second Target Distribution	Above $0.4025 up to $0.4375	85.0%	15.0%
Third Target Distribution	Above $0.4375 up to $0.5250	75.0%	25.0%
Thereafter	Above $0.5250	50.0%	50.0%

To the extent these incentive distributions are made to the general partner, there will be more available cash proportionally allocated to the general partner than to holders of common and subordinated units.

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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 31,029	$ 50,041	$ 27,074
Accounts receivable (net of allowance for doubtful accounts of $84 as of September 30, 2013 and $64 as of December 31, 2012)	4,726	3,743
Accounts receivable - affiliate	12,091	11,911
Due from related party	4,271	10,133
Other current assets	593	645
Total current assets	52,710	76,473
Property, plant and equipment	857,107	800,844
Less: accumulated depreciation	(156,789)	(143,713)
Net property, plant and equipment	700,318	657,131
Regulatory assets	19,095	18,223
Other assets	1,398	1,810
Total assets	773,521	753,637
Current liabilities:
Accounts payable	15,365	25,093
Due to related party		1,273
Accrued liabilities	11,368	8,900
Total current liabilities	26,733	35,266
Deferred income taxes		40,842
Unrecognized tax benefits		1,920
Other long-term liabilities	2,373	2,760
Total liabilities	29,106	80,788
Partners' capital:
Predecessor equity		197,773
Common units (30,468,902 and 17,339,718 units issued and outstanding at September 30, 2013 and December 31, 2012, respectively)	830,111	313,304
Subordinated units (17,339,718 units issued and outstanding at September 30, 2013 and December 31, 2012)	(91,802)	153,664
General partner interest (975,686 and 707,744 units issued and outstanding at September 30, 2013 and December 31, 2012, respectively)	6,106	8,108
Total partners' capital	744,415	672,849	658,320	173,733
Total liabilities and partners' capital	$ 773,521	$ 753,637

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Statements of Consolidated Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues:
Operating revenues - affiliate	$ 35,783	$ 26,653	$ 105,573	$ 74,085
Operating revenues - third party	10,099	7,799	29,511	21,035
Total operating revenues	45,882	34,452	135,084	95,120
Operating expenses:
Operating and maintenance	7,732	8,109	21,093	21,295
Selling, general and administrative	5,279	5,224	15,662	14,120
Depreciation and amortization	5,278	4,645	15,493	10,853
Total operating expenses	18,289	17,978	52,248	46,268
Operating income	27,593	16,474	82,836	48,852
Other income, net	319	1,142	845	7,770
Interest (expense) income, net	(196)	68	(613)	(2,685)
Income before income taxes	27,716	17,684	83,068	53,937
Income tax (expense)		(1,726)	(4,053)	(15,217)
Net income	27,716	15,958	79,015	38,720
Calculation of Limited Partner Interest in Net Income:
Net income	27,716	15,958	79,015	38,720
Less: pre-acquisition net income allocated to Parent		(1,868)	(6,189)	(24,630)
Less: general partner interest in net income	(755)	(312)	(1,726)	(312)
Limited partner interest in net income	$ 26,961	$ 13,778	$ 71,100	$ 13,778
Net income per limited partner unit - basic (in dollars per unit)	$ 0.61	$ 0.40	$ 1.84	$ 0.40
Net income per limited partner unit - diluted (in dollars per unit)	$ 0.60	$ 0.40	$ 1.84	$ 0.40
Limited partner units outstanding - basic (in shares)	44,526	34,679	38,618	34,679
Limited partner units outstanding - diluted (in shares)	44,639	34,684	38,731	34,684
Cash distributions declared per limited partner unit	$ 0.43	$ 0.35	$ 1.20	$ 0.35

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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	9 Months Ended		3 Months Ended
	Jul. 02, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Sunrise
Income Taxes
Elimination of net current and deferred tax liabilities	$ 143,600	$ 42,972	$ 143,587	$ 43,000

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Sunrise Merger (Details) (USD $)	9 Months Ended			9 Months Ended	0 Months Ended	9 Months Ended	0 Months Ended
	Sep. 30, 2013		Dec. 31, 2012	Sep. 30, 2013 Pipelines	Jul. 22, 2013 Sunrise	Sep. 30, 2013 Sunrise	Jul. 22, 2013 EQT	Sep. 30, 2013 EQT
Sunrise Merger
Total consideration paid							$ 540,000,000
Difference of net carrying value and the total consideration	324,456,000						324,456,000
Cash payment	507,500,000	[1]					507,500,000
Common units issued	30,468,902		17,339,718				479,184
General partner units issued	975,686		707,744				267,942
Term of the transportation precedent agreement						20 years
Additional cash consideration related to the transportation precedent agreement								110,000,000
Life of the lease				15 years
Estimated service life				40 years
Net carrying value	$ 215,544,000				$ 215,544,000

[1] Total consideration for the Sunrise merger exceeded EQT's net carrying value of the Sunrise assets by $324,456.

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Subsidiary Guarantors (Details) (USD $)	9 Months Ended
	Sep. 30, 2013
Subsidiary Guarantors
Ownership interest held (as a percent)	100.00%
Restricted net assets	$ 0
EQT Midstream Finance Corporation
Subsidiary Guarantors
Ownership interest held (as a percent)	100.00%

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Subsequent Events (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended		0 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Oct. 22, 2013 Subsequent Events	Oct. 22, 2013 Subsequent Events General Partner
Subsequent Events
Cash distribution to the company's common and subordinated unitholders declared (in dollars per share)	$ 0.43	$ 0.35	$ 1.20	$ 0.35	$ 0.43
Partners' capital:
Cash distribution declared to the general partner						$ 0.4
General partner's interest (as a percent)			2.00%			2.00%
Incentive distribution rights						$ 0.2

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Debt

9 Months Ended

Sep. 30, 2013

Debt

Debt

F.Debt

Prior to the IPO, EQT provided financing to the Company directly or indirectly through EQT Capital Corporation (EQT Capital), EQT’s subsidiary finance company. Such financing was generally provided through intercompany term and demand loans that were entered into between EQT Capital and EQT’s subsidiaries.

On July 2, 2012, in connection with the IPO, the Company entered into a $350 million credit facility with Wells Fargo Bank, National Association, as administrative agent, and a syndicate of lenders, which will mature on July 2, 2017. The credit facility is available to fund working capital requirements and capital expenditures, to purchase assets, to pay distributions and repurchase units and for general partnership purposes.

There were no amounts outstanding under the credit facility at September 30, 2013 or December 31, 2012. Additionally, the Company did not have any short-term loans outstanding at any time during the three or nine months ended September 30, 2013 and 2012, respectively. For the three and nine months ended September 30, 2013, commitment fees of approximately $0.2 million and $0.7 million, respectively, were paid to maintain credit availability under the Company’s revolving credit facility at an annual rate of 25 basis points. For the three months ended September 30, 2012, commitment fees of approximately $0.2 million were paid to maintain credit availability under the Company’s revolving credit facility at an annual rate of 25 basis points.

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Debt (Details) (Revolving credit facility, USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Jul. 02, 2012
Revolving credit facility
Long-term debt
Maximum borrowing capacity						$ 350
Credit facility outstanding amount at the end of period	0		0		0
Maximum amount of outstanding short-term loans at any time during the period	0	0	0	0
Commitment fees (as a percent)	0.25%	0.25%	0.25%
Commitment fees	$ 0.2	$ 0.2	$ 0.7

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Subsequent Events

9 Months Ended

Sep. 30, 2013

Subsequent Events

Subsequent Events

I.Subsequent Events

On October 22, 2013, the Company announced that the Board of Directors of its general partner declared a cash distribution to the Company’s unitholders for the third quarter of 2013 of $0.43 per common and subordinated unit, $0.4 million to the general partner related to its 2% general partner interest and $0.2 million to the general partner related to its incentive distribution rights.   The cash distribution will be paid on November 14, 2013 to unitholders of record at the close of business on November 4, 2013.

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Income Taxes

9 Months Ended

Sep. 30, 2013

Income Taxes

Income Taxes

E.Income Taxes

The Company’s financial statements for the periods prior to the IPO include U.S. federal and state income tax as its income was reported and included as part of EQT’s consolidated federal tax return.  In conjunction with the contribution by EQT of the ownership of Equitrans to the Partnership immediately prior to the IPO, approximately $143.6 million of net current and deferred income tax liabilities were eliminated through equity. Effective July 2, 2012, as a result of its limited partnership structure, the Company is no longer subject to federal and state income taxes. For federal and state income tax purposes, all income, expenses, gains, losses and tax credits generated by the Company flow through to the unitholders, and accordingly, do not result in a provision for income taxes for the Company.

As discussed in Note B, the Company completed the Sunrise Merger on July 22, 2013 which was a transaction between entities under common control. Prior to this transaction, Sunrise’s income was reported and included as part of EQT’s consolidated federal tax return; therefore, the Sunrise financial statements included U.S. federal and state income tax.  Accordingly, the income tax effects associated with Sunrise’s operations prior to the Sunrise Merger are reflected in the consolidated financial statements. In the third quarter of 2013, in connection with the Sunrise Merger and the resulting change in tax status of Sunrise, approximately $43.0 million of net current and deferred income tax liabilities were eliminated through equity.

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Consolidated Statements of Partners' Capital (USD $) In Thousands, unless otherwise specified	Total	Limited Partners Common	Limited Partners Subordinated	General Partner	Predecessor Equity
Balance at Dec. 31, 2011	$ 173,733				$ 173,733
Increase (Decrease) in Partners' Capital
Net income	38,720	6,140	7,638	312	24,630
Investment by partners	276,543				276,543
Capital contribution	1,863	913	913	37
Equity-based compensation plans	403	403
Distributions paid	(10,193)				(10,193)
Non-cash distributions	(12,229)				(12,229)
Proceeds from equity offering, net of offering costs	276,780	276,780
Elimination of net current and deferred tax liabilities	143,587				143,587
Contribution of net assets to EQT Midstream Partners, LP		56,470	330,279	13,482	(400,231)
Distribution of proceeds	(230,887)	(32,837)	(192,049)	(6,001)
Balance at Sep. 30, 2012	658,320	307,869	146,781	7,830	195,840
Balance at Dec. 31, 2012	672,849	313,304	153,664	8,108	197,773
Increase (Decrease) in Partners' Capital
Net income	79,015	39,994	31,106	1,726	6,189
Capital contribution	3,248	1,778	1,404	66
Equity-based compensation plans	772	772
Distributions to unitholders	(44,993)	(24,672)	(19,421)	(900)
Distributions paid	(31,390)				(31,390)
Proceeds from equity offering, net of offering costs	529,442	529,442
Elimination of net current and deferred tax liabilities	42,972				42,972
Sunrise net assets from EQT	(215,544)				(215,544)
Issuance of units	32,500	20,845		11,655
Purchase price in excess of net assets from EQT	(324,456)	(51,352)	(258,555)	(14,549)
Balance at Sep. 30, 2013	$ 744,415	$ 830,111	$ (91,802)	$ 6,106

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Net Income per Limited Partner Unit and Cash Distributions (Details 3) (General partner)	3 Months Ended
	Sep. 30, 2013
General partner
General Partner Interest and Incentive Distribution Rights
Level one increasing percentage of distribution entitlement per quarter	13.00%
Level two increasing percentage of distribution entitlement per quarter	23.00%
Maximum increasing percentage of distribution entitlement per quarter	48.00%

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Financial Information by Business Segment (Tables)

9 Months Ended

Sep. 30, 2013

Financial Information by Business Segment

Schedule of revenue from external customers and operating income

		Three Months Ended September 30,						Nine Months EndedSeptember 30,
		2013			2012			2013			2012
		(Thousands)
Revenues from external customers:
Transmission and storage	$	42,858		$	30,606		$	125,883		$	83,116
Gathering		3,024			3,846			9,201			12,004
Total	$	45,882		$	34,452		$	135,084		$	95,120
Operating income (loss):
Transmission and storage	$	30,435		$	18,705		$	90,562		$	52,854
Gathering		(2,842	)		(2,231	)		(7,726	)		(4,002	)
Total operating income	$	27,593		$	16,474		$	82,836		$	48,852

Reconciliation of operating income to net income

Reconciliation of operating income to net income:
Other income, net		319			1,142			845			7,770
Interest (expense) income, net		(196	)		68			(613	)		(2,685	)
Income tax (expense)		—			(1,726	)		(4,053	)		(15,217	)
Net income	$	27,716		$	15,958		$	79,015		$	38,720

Schedule of segment assets

		September 30, 2013		December 31, 2012
		(Thousands)
Segment assets:
Transmission and storage	$	683,260	$	678,437
Gathering		90,261		75,200
Total assets	$	773,521	$	753,637

Schedule of depreciation, depletion and amortization and expenditures for segment assets

		Three Months Ended September 30,				Nine Months EndedSeptember 30,
		2013		2012		2013		2012
		(Thousands)
Depreciation and amortization:
Transmission and storage	$	4,542	$	3,926	$	13,295	$	8,744
Gathering		736		719		2,198		2,109
Total	$	5,278	$	4,645	$	15,493	$	10,853
Expenditures for segment assets:
Transmission and storage	$	27,280	$	38,289	$	50,503	$	164,205
Gathering		2,260		2,979		5,921		4,095
Total	$	29,540	$	41,268	$	56,424	$	168,300

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Subsidiary Guarantors

9 Months Ended

Sep. 30, 2013

Subsidiary Guarantors

Subsidiary Guarantors

H.Subsidiary Guarantors

The Company filed a registration statement on Form S-3 with the SEC on July 1, 2013 to register, among other securities, debt securities. The subsidiaries of the Company (Subsidiaries) are co-registrants with the Company, and the registration statement registered guarantees of debt securities by one or more of the Subsidiaries (other than EQT Midstream Finance Corporation, a 100% owned subsidiary of the Company whose sole purpose is to act as co-issuer of debt securities). The Subsidiaries are 100% owned by the Company and any guarantees by the Subsidiaries will be full and unconditional. The Company has no assets or operations independent of the Subsidiaries, and there are no significant restrictions upon the ability of the Subsidiaries to distribute funds to the Company by dividend or loan. In the event that more than one of the Subsidiaries provide guarantees of any debt securities issued by the Company, such guarantees will constitute joint and several obligations. None of the assets of the Company or the Subsidiaries represent restricted net assets pursuant to Rule 4-08(e)(3) of Regulation S-X under the Securities Act of 1933, as amended.

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Financial Statements (Details 2)	0 Months Ended		9 Months Ended		9 Months Ended						9 Months Ended
	Jul. 22, 2013	Jul. 02, 2012	Sep. 30, 2013	Sep. 30, 2013 EQT	Sep. 30, 2013 Limited Partners Common	Sep. 30, 2013 Limited Partners Common Sunrise	Sep. 30, 2013 Limited Partners Subordinated	Dec. 31, 2012 Limited Partners Subordinated	Sep. 30, 2013 General Partner	Dec. 31, 2012 General Partner	Sep. 30, 2013 General Partner Sunrise
Increase (Decrease) in Partners' Capital
Balance			35,387,180		17,339,718		17,339,718	17,339,718	975,686	707,744
July 2013 equity offering	12,650,000	14,375,000	12,650,000		12,650,000
Sunrise Merger Consideration			747,126			479,184					267,942
Balance			48,784,306		30,468,902		17,339,718	17,339,718	975,686	707,744
Additional disclosures
Equity interest retained by parent (as a percent)				44.60%
Common units held by parent (in shares)				3,443,902
Subordinated units held by parent (in shares)				17,339,718
General partner units held by parent (in shares)				975,686

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Net Income per Limited Partner Unit and Cash Distributions (Tables)

9 Months Ended

Sep. 30, 2013

Net Income per Limited Partner Unit and Cash Distributions

Schedule of company's calculation of net income per limited partner unit for common and subordinated limited partner units

		Three Months Ended September 30,						Nine Months EndedSeptember 30,
		2013			2012			2013			2012
		(Thousands, except per unit amounts)
Net income	$	27,716		$	15,958		$	79,015		$	38,720
Less:
Pre-acquisition net income allocated to Parent		—			(1,868	)		(6,189	)		(24,630	)
General partner interest in net income – 2%		(554	)		(312	)		(1,525	)		(312	)
General partner interest in net income attributable to incentive distribution rights		(201	)		—			(201	)		—
Limited partner interest in net income	$	26,961		$	13,778		$	71,100		$	13,778
Net income allocable to common units	$	17,011		$	6,140		$	39,994		$	6,140
Net income allocable to subordinated units		9,950			7,638			31,106			7,638
Limited partner interest in net income	$	26,961		$	13,778		$	71,100		$	13,778
Weighted average limited partner units outstanding – basic
Common units		27,186			17,340			21,278			17,340
Subordinated units		17,340			17,339			17,340			17,339
Total		44,526			34,679			38,618			34,679
Weighted average limited partner units outstanding – diluted
Common units		27,299			17,345			21,391			17,345
Subordinated units		17,340			17,339			17,340			17,339
Total		44,639			34,684			38,731			34,684

		Three Months Ended September 30,				Nine Months EndedSeptember 30,
		2013		2012		2013		2012
		(Thousands, except per unit amounts)
Net income per limited partner unit – basic
Common units	$	0.63	$	0.35	$	1.88	$	0.35
Subordinated units		0.57		0.44		1.79		0.44
Total	$	0.61	$	0.40	$	1.84	$	0.40
Net income per limited partner unit – diluted
Common units	$	0.62	$	0.35	$	1.87	$	0.35
Subordinated units		0.57		0.44		1.79		0.44
Total	$	0.60	$	0.40	$	1.84	$	0.40

Schedule of distribution of any additional available cash from operating surplus among the unitholders and the Company's general partner

	Total Quarterly Distribution per	Marginal Percentage Interest in Distributions
	Unit Target Amount	Unitholders	General Partner
Minimum Quarterly Distribution	$0.3500	98.0%	2.0%
First Target Distribution	Above $0.3500 up to $0.4025	98.0%	2.0%
Second Target Distribution	Above $0.4025 up to $0.4375	85.0%	15.0%
Third Target Distribution	Above $0.4375 up to $0.5250	75.0%	25.0%
Thereafter	Above $0.5250	50.0%	50.0%

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Document and Entity Information	9 Months Ended
	Sep. 30, 2013
Entity Registrant Name	EQT Midstream Partners, LP
Entity Central Index Key	0001540947
Document Type	10-Q
Document Period End Date	Sep. 30, 2013
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Common Units, Units Outstanding	30,468,902
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3
Subordinated Units
Entity Common Units, Units Outstanding	17,339,718
General Partner Units outstanding
Entity Common Units, Units Outstanding	975,686

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Financial Statements (Details) (USD $)	0 Months Ended		9 Months Ended
	Jul. 22, 2013	Jul. 02, 2012	Sep. 30, 2013 item	Sep. 30, 2012
Financial Statements
Number of common units issued to the public in an offering (in shares)	12,650,000	14,375,000	12,650,000
Proceeds from the issuance of common units, net of offering costs	$ 529,000,000		$ 529,442,000	$ 276,780,000
Offering expenses	$ 21,000,000
Number of counties in which midstream services are provided by the entity			22
Number of primary assets through which midstream services are provided			2
Transmission and Storage System
Financial Statements
Length of FERC-regulated transmission pipeline (in miles)			700
Number of long-haul interstate pipelines connected by FERC-regulated interstate pipeline system			5
Number of associated natural gas storage reservoirs which supports FERC-regulated interstate pipeline system			14
Peak withdrawal capability per day of associated natural gas storage reservoirs (in MMcf per day)			400
Working gas capacity of associated natural gas storage reservoirs (in Bcf)			32,000
Total throughput capacity per day from transmission assets (in TBtu per day)			2,100,000
Gathering System
Financial Statements
Length of FERC-regulated transmission pipeline (in miles)			2,000