10-Q

PartnersCapitalAbstract

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended March 31, 2023

OR

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

For the transition period from                    to                   

Commission file number: 001-38075

ANTERO MIDSTREAM CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	61-1748605
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
1615 Wynkoop Street Denver, Colorado	80202
(Address of principal executive offices)	(Zip Code)

(303) 357-7310

(Registrant’s telephone number, including area code)

Securities registered pursuant to section 12(b) of the Act:
Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.01	AM	New York Stock Exchange

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  ☐ No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted 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 such files). ☒ Yes  ☐ No

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

Large Accelerated Filer ☒	Accelerated Filer ☐
Non-accelerated Filer ☐	Smaller Reporting Company ☐
Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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

The registrant had 479,656,189 shares of common stock outstanding as of April 21, 2023.

TABLE OF CONTENTS

		Page
CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS		1
PART I—FINANCIAL INFORMATION		3
Item 1.	Condensed Consolidated Financial Statements (Unaudited)	3
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	24
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	32
Item 4.	Controls and Procedures	33
PART II—OTHER INFORMATION		34
Item 1.	Legal Proceedings	34
Item 1A.	Risk Factors	34
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	35
Item 6.	Exhibits	35
SIGNATURES		36

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

Some of the information in this Quarterly Report on Form 10-Q may contain “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). All statements, other than statements of historical fact, included in this Quarterly Report on Form 10-Q, regarding our strategy, future operations, financial position, estimated revenues and losses, projected costs, prospects, plans and objectives of management are forward-looking statements. Words such as “may,” “assume,” “forecast,” “position,” “predict,” “strategy,” “expect,” “intend,” “plan,” “estimate,” “anticipate,” “believe,” “project,” “budget,” “potential,” or “continue,” and similar expressions are used to identify forward-looking statements, although not all forward-looking statements contain such identifying words. When considering these forward-looking statements, investors should keep in mind the risk factors and other cautionary statements in this Quarterly Report on Form 10-Q. These forward-looking statements are based on management’s current beliefs, based on currently available information, as to the outcome and timing of future events. Factors that could cause our actual results to differ materially from the results contemplated by such forward-looking statements include:

● Antero Resources Corporation’s (“Antero Resources”) expected production and development plan;

● impacts to producer customers of insufficient storage capacity;

● our ability to execute our business strategy;

● our ability to obtain debt or equity financing on satisfactory terms to fund additional acquisitions, expansion projects, working capital requirements and the repayment or refinancing of indebtedness;

● our ability to realize the anticipated benefits of our investments in unconsolidated affiliates;

● natural gas, natural gas liquids (“NGLs”), and oil prices;

● impacts of geopolitical events, including the Russia-Ukraine conflict, and world health events, including the coronavirus (“COVID-19”) pandemic;

● our ability to complete the construction of or purchase new gathering and compression, processing, water handling or other assets on schedule, at the budgeted cost or at all, and the ability of such assets to operate as designed or at expected levels;

● our ability to execute our return of capital program;

● competition;

● government regulations and changes in laws;

● actions taken by third-party producers, operators, processors and transporters;

● pending legal or environmental matters;

● costs of conducting our operations;

● our ability to achieve our greenhouse gas reduction targets and the costs associated therewith;

● general economic conditions;

● credit markets;

● operating hazards, natural disasters, weather-related delays, casualty losses and other matters beyond our control;

● expectations regarding the amount and timing of litigation awards;

● uncertainty regarding our future operating results; and

● our other plans, objectives, expectations and intentions contained in this Quarterly Report on Form 10-Q.

1

We caution investors that these forward-looking statements are subject to all of the risks and uncertainties incidental to our business, most of which are difficult to predict and many of which are beyond our control. These risks include, but are not limited to, commodity price volatility, inflation, supply chain or other disruptions, environmental risks, Antero Resources’ drilling and completion and other operating risks, regulatory changes or changes in law, the uncertainty inherent in projecting Antero Resources’ future rates of production, cash flows and access to capital, the timing of development expenditures, impacts of world health events (including the COVID-19 pandemic), cybersecurity risks, the state of markets for, and availability of, verified quality carbon offsets and the other risks described or referenced under the heading “1A. Risk Factors” herein, including the risk factors set forth in our Annual Report on Form 10-K for the year ended December 31, 2022 (the “2022 Form 10-K”), which is on file with the Securities and Exchange Commission (“SEC”).

Should one or more of the risks or uncertainties described or referenced in this Quarterly Report on Form 10-Q occur, or should underlying assumptions prove incorrect, our actual results and plans could differ materially from those expressed in any forward-looking statements.

All forward-looking statements, expressed or implied, included in this Quarterly Report on Form 10-Q are expressly qualified in their entirety by this cautionary statement. This cautionary statement should also be considered in connection with any subsequent written or oral forward-looking statements that we or persons acting on our behalf may issue.

Except as otherwise required by applicable law, we disclaim any duty to update any forward-looking statements to reflect events or circumstances after the date of this Quarterly Report on Form 10-Q.

2

PART I—FINANCIAL INFORMATION

ANTERO MIDSTREAM CORPORATION

Condensed Consolidated Balance Sheets

(In thousands, except per share amounts)

			(Unaudited)
	December 31,		March 31,
	2022		2023
Assets
Current assets:
Accounts receivable–Antero Resources	$	86,152		95,359
Accounts receivable–third party		575		371
Income tax receivable		940		940
Other current assets		1,326		1,744
Total current assets		88,993		98,414
Property and equipment, net		3,751,431		3,749,220
Investments in unconsolidated affiliates		652,767		643,118
Customer relationships		1,286,103		1,268,435
Other assets, net		12,026		11,340
Total assets	$	5,791,320		5,770,527
Liabilities and Stockholders' Equity
Current liabilities:
Accounts payable–Antero Resources	$	5,436		4,776
Accounts payable–third party		22,865		21,012
Accrued liabilities		72,715		69,366
Other current liabilities		1,061		1,065
Total current liabilities		102,077		96,219
Long-term liabilities:
Long-term debt		3,361,282		3,331,320
Deferred income tax liability		131,215		162,885
Other		4,428		4,619
Total liabilities		3,599,002		3,595,043
Stockholders' equity:
Preferred stock, $0.01 par value: 100,000 authorized as of December 31, 2022 and March 31, 2023
Series A non-voting perpetual preferred stock; 12 designated and 10 issued and outstanding as of December 31, 2022 and March 31, 2023		—		—
Common stock, $0.01 par value; 2,000,000 authorized; 478,497 and 478,645 issued and outstanding as of December 31, 2022 and March 31, 2023, respectively		4,785		4,786
Additional paid-in capital		2,104,740		2,084,191
Retained earnings		82,793		86,507
Total stockholders' equity		2,192,318		2,175,484
Total liabilities and stockholders' equity	$	5,791,320		5,770,527

See accompanying notes to unaudited condensed consolidated financial statements.

3

ANTERO MIDSTREAM CORPORATION

Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited)

(In thousands, except per share amounts)

	Three Months Ended March 31,
	2022		2023
Revenue:
Gathering and compression–Antero Resources	$	182,443		199,576
Water handling–Antero Resources		53,321		77,295
Water handling–third party		395		272
Amortization of customer relationships		(17,668)		(17,668)
Total revenue		218,491		259,475
Operating expenses:
Direct operating		42,012		57,873
General and administrative (including $2,832 and $6,327 of equity-based compensation in 2022 and 2023, respectively)		17,931		17,347
Facility idling		1,148		574
Depreciation		28,300		35,196
Accretion of asset retirement obligations		64		44
Loss on settlement of asset retirement obligations		—		341
Gain on asset sale		(118)		(245)
Total operating expenses		89,337		111,130
Operating income		129,154		148,345
Other income (expense):
Interest expense, net		(44,279)		(54,624)
Equity in earnings of unconsolidated affiliates		23,232		24,456
Total other expense		(21,047)		(30,168)
Income before income taxes		108,107		118,177
Income tax expense		(28,067)		(31,670)
Net income and comprehensive income	$	80,040		86,507
Net income per share–basic	$	0.17		0.18
Net income per share–diluted	$	0.17		0.18
Weighted average common shares outstanding:
Basic		477,646		478,612
Diluted		480,173		481,459

See accompanying notes to unaudited condensed consolidated financial statements.

4

ANTERO MIDSTREAM CORPORATION

Condensed Consolidated Statements of Stockholders’ Equity (Unaudited)

(In thousands)

									Retained
							Additional		Earnings
	Preferred		Common Stock				Paid-In		(Accumulated		Total
	Stock		Shares		Amount		Capital		Deficit)		Equity
Balance at December 31, 2021	$	—		477,495	$	4,775		2,414,398		(132,475)		2,286,698
Dividends to stockholders		—		—		—		(108,287)		—		(108,287)
Equity-based compensation		—		—		—		2,832		—		2,832
Issuance of common stock upon vesting of equity-based compensation awards, net of common stock withheld for income taxes		—		188		2		(1,331)		—		(1,329)
Net income and comprehensive income		—		—		—		—		80,040		80,040
Balance at March 31, 2022	$	—		477,683	$	4,777		2,307,612		(52,435)		2,259,954
Balance at December 31, 2022	$	—		478,497	$	4,785		2,104,740		82,793		2,192,318
Dividends to stockholders		—		—		—		(25,709)		(82,793)		(108,502)
Equity-based compensation		—		—		—		6,327		—		6,327
Issuance of common stock upon vesting of equity-based compensation awards, net of common stock withheld for income taxes		—		148		1		(1,167)		—		(1,166)
Net income and comprehensive income		—		—		—		—		86,507		86,507
Balance at March 31, 2023	$	—		478,645	$	4,786		2,084,191		86,507		2,175,484

See accompanying notes to unaudited condensed consolidated financial statements.

5

ANTERO MIDSTREAM CORPORATION

Condensed Consolidated Statements of Cash Flows (Unaudited)

(In thousands)

	Three Months Ended March 31,
	2022		2023
Cash flows provided by (used in) operating activities:
Net income	$	80,040		86,507
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		28,300		35,196
Accretion of asset retirement obligations		64		44
Deferred income tax expense		28,067		31,670
Equity-based compensation		2,832		6,327
Equity in earnings of unconsolidated affiliates		(23,232)		(24,456)
Distributions from unconsolidated affiliates		31,130		34,105
Amortization of customer relationships		17,668		17,668
Amortization of deferred financing costs		1,410		1,474
Settlement of asset retirement obligations		(455)		(158)
Loss on settlement of asset retirement obligations		—		341
Gain on asset sale		(118)		(245)
Changes in assets and liabilities:
Accounts receivable–Antero Resources		3,054		(9,207)
Accounts receivable–third party		460		431
Other current assets		118		(520)
Accounts payable–Antero Resources		230		(660)
Accounts payable–third party		13,762		2,061
Accrued liabilities		1,334		2,141
Net cash provided by operating activities		184,664		182,719
Cash flows provided by (used in) investing activities:
Additions to gathering systems and facilities		(70,734)		(29,197)
Additions to water handling systems		(13,533)		(13,760)
Acquisition of gathering systems and facilities		—		(263)
Cash received in asset sales		121		1,071
Change in other assets		—		(2)
Net cash used in investing activities		(84,146)		(42,151)
Cash flows provided by (used in) financing activities:
Dividends to common stockholders		(108,149)		(108,364)
Dividends to preferred stockholders		(138)		(138)
Payments of deferred financing costs		(302)		—
Borrowings (repayments) on bank credit facilities, net		9,400		(30,900)
Employee tax withholding for settlement of equity compensation awards		(1,329)		(1,166)
Net cash used in financing activities		(100,518)		(140,568)
Net increase in cash and cash equivalents		—		—
Cash and cash equivalents, beginning of period		—		—
Cash and cash equivalents, end of period	$	—		—
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	$	40,677		50,340
Increase (decrease) in accrued capital expenditures and accounts payable for property and equipment	$	10,388		(9,354)

See accompanying notes to unaudited condensed consolidated financial statements.

6

ANTERO MIDSTREAM CORPORATION

Notes to Unaudited Condensed Consolidated Financial Statements

(1) Organization

Antero Midstream Corporation together with its consolidated subsidiaries (the “Company” or “Antero Midstream”) is a growth-oriented midstream company formed to own, operate and develop midstream energy infrastructure primarily to service Antero Resources and its production and completion activity in the Appalachian Basin. The Company’s assets consist of gathering pipelines, compressor stations, interests in processing and fractionation plants and water handling assets. Antero Midstream provides midstream services to Antero Resources under long-term contracts. The Company’s corporate headquarters is located in Denver, Colorado.

(2) Summary of Significant Accounting Policies

(a) Basis of Presentation

These unaudited condensed consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”) applicable to interim financial information and should be read in the context of the Company’s December 31, 2022 consolidated financial statements and notes thereto for a more complete understanding of the Company’s operations, financial position, and accounting policies. The Company’s December 31, 2022 consolidated financial statements were included in the Company’s 2022 Annual Report on Form 10-K, which was filed with the SEC.

These unaudited condensed consolidated financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information, and, accordingly, do not include all of the information and footnotes required by GAAP for complete consolidated financial statements. In the opinion of management, these unaudited condensed consolidated financial statements include all adjustments (consisting of normal and recurring accruals) considered necessary to present fairly the Company’s financial position as of December 31, 2022 and March 31, 2023, and the results of the Company’s operations and cash flows for the three months ended March 31, 2022 and 2023. The Company has no items of other comprehensive income; therefore, net income is equal to comprehensive income.

Certain costs of doing business incurred and charged to the Company by Antero Resources have been reflected in the accompanying unaudited condensed consolidated financial statements. These costs include general and administrative expenses provided to the Company by Antero Resources in exchange for:

● business services, such as payroll, accounts payable and facilities management;

● corporate services, such as finance and accounting, legal, human resources, investor relations and public and regulatory policy; and

● employee compensation, including equity-based compensation.

Transactions between the Company and Antero Resources have been identified in the unaudited condensed consolidated financial statements (see Note 4—Transactions with Affiliates).

(b) Principles of Consolidation

The accompanying unaudited condensed consolidated financial statements include the accounts of Antero Midstream Corporation and its consolidated subsidiaries. All significant intercompany accounts and transactions have been eliminated in the Company’s unaudited condensed consolidated financial statements.

7

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(3) Intangibles

All customer relationships are subject to amortization and are amortized over a weighted average period of 19 years, which reflects the remaining economic life of the relationships as of March 31, 2023. The changes in the carrying amount of customer relationships were as follows (in thousands):

Customer relationships as of December 31, 2022		1,286,103
Amortization of customer relationships		(17,668)
Customer relationships as of March 31, 2023	$	1,268,435

Future amortization expense is as follows (in thousands):

Remainder of year ending December 31, 2023	$	53,004
Year ending December 31, 2024		70,672
Year ending December 31, 2025		70,672
Year ending December 31, 2026		70,672
Year ending December 31, 2027		70,672
Thereafter		932,743
Total	$	1,268,435

(4) Transactions with Affiliates

(a) Revenues

Substantially all revenues earned in the three months ended March 31, 2022 and 2023 were earned from Antero Resources, under various agreements for gathering and compression and water handling services. Revenues earned from gathering and compression services consists of lease income.

(b) Accounts receivable—Antero Resources and Accounts payable—Antero Resources

Accounts receivable—Antero Resources represents amounts due from Antero Resources, primarily related to gathering and compression services and water handling services. Accounts payable—Antero Resources represents amounts due to Antero Resources for general and administrative and other costs.

(c) Allocation of Costs Charged by Antero Resources

The employees supporting the Company’s operations are concurrently employed by Antero Resources and the Company.  Direct operating expense includes costs charged to the Company of $3 million and $4 million during the three months ended March 31, 2022 and 2023, respectively. These costs were for services provided by employees associated with the operation of the Company’s gathering lines, compressor stations and water handling assets.  General and administrative expense includes costs charged to the Company by Antero Resources of $9 million and $8 million during the three months ended March 31, 2022 and 2023, respectively.  These costs relate to (i) various business services, including payroll processing, accounts payable processing and facilities management, (ii) various corporate services, including legal, accounting, treasury, information technology and human resources and (iii) compensation, including certain equity-based compensation.  These expenses are charged to the Company based on the nature of the expenses and are apportioned based on a combination of the Company’s proportionate share of gross property and equipment, capital expenditures and labor costs, as applicable.  The Company reimburses Antero Resources directly for all general and administrative costs charged to it, except costs attributable to noncash equity-based compensation.  For further information on equity-based compensation, see Note 9—Equity-Based Compensation and Cash Awards.

8

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(5) Revenue

All of the Company’s gathering and compression revenues are derived from operating lease agreements, and all of the Company’s water handling revenues are derived from service contracts with customers. The Company currently earns substantially all of its revenues from Antero Resources.

(a) Gathering and Compression

The Company’s gathering and compression service agreements with Antero Resources include: (i) the second amended and restated gathering and compression agreement dated December 8, 2019 (the “2019 gathering and compression agreement”), (ii) the gathering and compression agreements acquired with the Crestwood Equity Partners LP (NYSE: CEQP) (“Crestwood”) assets (the “Marcellus gathering and compression agreements”) and (iii) a compression agreement acquired with the EnLink Midstream LLC (NYSE: ENLC) (“EnLink”) assets (the “Utica compression agreement,” and together with the 2019 gathering and compression agreement and the Marcellus gathering and compression agreements, the “gathering and compression agreements”). See Note 6—Property and Equipment for additional information. The 2019 gathering and compression agreement has an initial term through 2038, the Marcellus gathering and compression agreements expire between 2023 and 2031, and the Utica compression agreement has two dedicated areas that expire in 2024 and 2030. Upon expiration of each of the Marcellus gathering and compression service agreements and the Utica compression agreement, the Company will continue to provide gathering and compression services under the 2019 gathering and compression agreement. Pursuant to the gathering and compression agreements, Antero Resources has dedicated substantially all of its current and future acreage in West Virginia, Ohio and Pennsylvania to the Company for gathering and compression services. The Company also has an option to gather and compress natural gas produced by Antero Resources on any additional acreage it acquires during the term of the 2019 gathering and compression agreement outside of West Virginia, Ohio and Pennsylvania on the same terms and conditions as the 2019 gathering and compression agreement.

The 2019 gathering and compression agreement includes a growth incentive fee program whereby low pressure gathering fees will be reduced from 2020 through 2023 to the extent Antero Resources achieves certain quarterly volumetric targets during such time. Antero Resources’ throughput gathered under the Marcellus gathering and compression agreements is not considered in low pressure gathering volume targets. For the three months ended March 31, 2022 and 2023, Antero Resources earned rebates of $12 million from the Company by achieving the first level volumetric target during each of the first quarters of 2022 and 2023. Upon completion of the initial contract term in 2038, the 2019 gathering and compression agreement will continue in effect from year to year until such time as the agreement is terminated, effective upon an anniversary of the effective date of the agreement, by either the Company or Antero Resources on or before the 180th day prior to the anniversary of such effective date.

Under the gathering and compression agreements, the Company receives, where applicable, a low pressure gathering fee, a high pressure gathering fee and a compression fee, substantially all of which are subject to annual Consumer Price Index (“CPI”)-based adjustments (or, in the case of the 2019 gathering and compression agreement, the option in certain cases to elect a cost of service fee when such assets are placed in-service). In addition, under the 2019 gathering and compression agreement, the Company receives a reimbursement for certain variable costs, such as electricity and operating expenses.

The Company determined that its gathering and compression agreements are operating leases as Antero Resources obtains substantially all of the economic benefit of the assets and has the right to direct the use of the assets. Each gathering and compression system is an identifiable asset, and consists of a network of assets that may include underground low pressure pipelines that connect and deliver gas from specific well pads to compressor stations to compress the gas before delivery to underground high pressure pipelines that transport the gas to a third-party pipeline, third-party processing plant or a Joint Venture processing plant. Each compression system is an identifiable asset, and consists of a network of assets that include compressor stations that connect to underground high pressure pipelines that transport the gas to a third-party pipeline, third-party processing plant or a Joint Venture processing plant. Each set of assets in an agreement are considered to be a single lease due to the interrelated network of the assets required to provide services under each respective agreement. When a modification to an agreement occurs, the Company reassesses the classification of the lease. The Company accounts for its lease and non-lease components as a single lease component as the lease component is the predominant component. The non-lease components consist of operating, oversight and maintenance of the gathering systems, which are performed on time-elapsed measures.

9

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

The 2019 gathering and compression agreement and certain of the Marcellus gathering and compression agreements include fixed fee provisions. If and to the extent Antero Resources requests that the Company construct new low pressure lines, high pressure lines and/or compressor stations, the 2019 gathering and compression agreement contains options at the Company’s election for either (i) minimum volume commitments that require Antero Resources to utilize or pay for 75% of the high pressure gathering capacity and 70% of the compression capacity of such new construction for 10 years or (ii) a cost of service fee that allows the Company to earn a 13% rate of return on such new construction over seven years, which election is made individually for each piece of equipment placed in service. In addition, certain of the Marcellus gathering and compression agreements provide for a minimum volume commitment that requires Antero Resources to utilize or pay for 25% of the capacity of new compressor station construction for 10 years. All lease payments under the minimum volume commitments and cost of service fees are considered to be in-substance fixed lease payments under the gathering and compression agreements.

The Company recognizes lease income from its minimum volume commitments and cost of service fees under its gathering and compression agreements on a straight-line basis. Additional variable operating lease income is earned when volumes in excess of the minimum commitments are delivered under the contract. The Company recognizes variable lease income when low pressure volumes are delivered to a compressor station, compression volumes are delivered to a high pressure line and high pressure volumes are delivered to a processing plant or transmission pipeline, as applicable. Minimum volume commitments are aggregated such that there is a single minimum volume commitment for the respective service each year for each agreement. The Company invoices the customer the month after each service is performed, and payment is due in the same month. The Company is not party to any leases that have not commenced.

Minimum future lease cash flows to be received by the Company under the gathering and compression agreements as of March 31, 2023 are as follows (in thousands):

Remainder of year ending December 31, 2023	$	232,582
Year ending December 31, 2024		316,492
Year ending December 31, 2025		298,143
Year ending December 31, 2026		284,327
Year ending December 31, 2027		224,150
Thereafter		382,434
Total	$	1,738,128

(b) Water Handling

The Company is party to a water services agreement with Antero Resources, whereby the Company provides certain water handling services to Antero Resources within an area of dedication in defined service areas in West Virginia and Ohio. The initial term of the water services agreement runs to 2035. Upon completion of the initial term in 2035, the water services agreement will continue in effect from year to year until such time as the agreement is terminated, effective upon an anniversary of the effective date of the agreement, by either the Company or Antero Resources on or before the 180^th day prior to the anniversary of such effective date. Under the agreement, the Company receives a fixed fee for fresh water deliveries by pipeline directly to the well site, subject to annual CPI-based adjustments. In addition, the Company also provides other fluid handling services. These operations, along with the Company’s fresh water delivery systems, support well completion and production operations for Antero Resources. These services are provided by the Company directly or through third-parties with which the Company contracts. For these other fluid handling services provided by third-parties, Antero Resources reimburses the Company’s third-party out-of-pocket costs plus 3%. For these other fluid handling services provided by the Company, the Company charges Antero Resources a cost of service fee.

The Company satisfies its performance obligations and recognizes revenue when (i) the fresh water volumes have been delivered to the hydration unit of a specified well pad or (ii) other fluid handling services have been completed. The Company invoices the customer the month after water services are performed, and payment is due in the same month. For services contracted through third-party providers, the Company’s performance obligation is satisfied when the service to be performed by the third-party provider has been completed. The Company invoices the customer after the third-party provider billing is received, and payment is due in the same month.

10

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

Transaction Price Allocated to Remaining Performance Obligations

The Company’s water service agreement with Antero Resources has a term greater than one year. The Company is not required to disclose the transaction price allocated to remaining performance obligations if the variable consideration is allocated entirely to a wholly unsatisfied performance obligation. Under this contract, each unit of product delivered to the customer represents a separate performance obligation; therefore, future volumes are wholly unsatisfied and disclosure of the transaction price allocated to remaining performance obligations is not required.

The Company also performs water services for third-party customers and such contracts are short-term in nature with a contract term of one year or less. Accordingly, the Company is exempt from disclosure of the transaction price allocated to remaining performance obligations if the performance obligation is part of a contract that has an original expected duration of one year or less.

Contract Balances

Under the Company’s water service contracts, the Company invoices customers after the performance obligations have been satisfied, at which point payment is unconditional. Accordingly, the Company’s water service contracts do not give rise to contract assets or liabilities.

(c) Disaggregation of Revenue

In the following table, revenue is disaggregated by type of service and type of fee and is identified by the reportable segment to which such revenues relate. For more information on reportable segments, see Note 15—Reportable Segments.

	Three Months Ended March 31,
(in thousands)	2022		2023		Reportable Segment
Type of service
Gathering—low pressure	$	89,437		99,637	Gathering and Processing (1)
Gathering—low pressure fee rebate		(12,000)		(12,000)	Gathering and Processing (1)
Compression		51,612		58,390	Gathering and Processing (1)
Gathering—high pressure		53,394		53,549	Gathering and Processing (1)
Fresh water delivery		32,044		46,826	Water Handling
Other fluid handling		21,672		30,741	Water Handling
Amortization of customer relationships		(9,271)		(9,271)	Gathering and Processing
Amortization of customer relationships		(8,397)		(8,397)	Water Handling
Total	$	218,491		259,475
Type of contract
Per Unit Fixed Fee	$	194,443		211,576	Gathering and Processing (1)
Gathering—low pressure fee rebate		(12,000)		(12,000)	Gathering and Processing (1)
Per Unit Fixed Fee		32,439		47,099	Water Handling
Cost plus 3%		15,638		24,445	Water Handling
Cost of service fee		5,639		6,023	Water Handling
Amortization of customer relationships		(9,271)		(9,271)	Gathering and Processing
Amortization of customer relationships		(8,397)		(8,397)	Water Handling
Total	$	218,491		259,475

(1) Revenue related to the gathering and processing segment is classified as lease income related to the gathering and compression systems.

The Company’s receivables from its contracts with customers and operating leases as of December 31, 2022 and March 31, 2023, were $86 million and $95 million, respectively.

11

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(6) Property and Equipment

(a) Summary of Property and Equipment

Property and equipment, net consisted of the following items:

				(Unaudited)
	Estimated	December 31,		March 31,
(in thousands)	Useful Lives	2022		2023
Land	n/a	$	31,668		31,668
Gathering systems and facilities	40-50 years (1)		3,281,872		3,299,456
Permanent buried pipelines and equipment	7-20 years		601,347		629,253
Surface pipelines and equipment	1-7 years		66,726		71,179
Heavy trucks and equipment	3-5 years		5,157		5,157
Above ground storage tanks	5-10 years		2,953		5,130
Construction-in-progress	n/a		158,977		139,564
Total property and equipment			4,148,700		4,181,407
Less accumulated depreciation			(397,269)		(432,187)
Property and equipment, net		$	3,751,431		3,749,220

(1) Gathering systems and facilities are recognized as a single-leased asset with no residual value.

(b) Asset Acquisitions

On October 25, 2022, the Company acquired certain Marcellus gas gathering and compression assets from Crestwood for $205 million in cash, before closing adjustments. These assets included 72 miles of dry gas gathering pipelines and nine compressor stations with 700 MMcf/d of compression capacity. The cash consideration for this asset acquisition was allocated to land and gathering systems and facilities, included in Property and equipment in the condensed consolidated balance sheets, for $3 million and $202 million, respectively.

Additionally, on December 21, 2022, the Company acquired certain Utica compression assets from EnLink for $10 million in cash, before closing adjustments. These assets included four compressor stations with 380 MMcf/d of compression capacity. The acquired compression assets are interconnected with the Company’s existing low pressure and high pressure gathering systems and service Antero Resources’ production. The cash consideration for this asset acquisition was allocated to gathering systems and facilities included in Property and equipment in the condensed consolidated balance sheets.

12

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(7) Long-Term Debt

Long-term debt consisted of the following items:

			(Unaudited)
	December 31,		March 31,
(in thousands)	2022		2023
Credit Facility (a)	$	782,000		751,100
7.875% senior notes due 2026 (b)		550,000		550,000
5.75% senior notes due 2027 (c)		650,000		650,000
5.75% senior notes due 2028 (d)		650,000		650,000
5.375% senior notes due 2029 (e)		750,000		750,000
Total principal		3,382,000		3,351,100
Unamortized debt premiums		1,698		1,598
Unamortized debt issuance costs		(22,416)		(21,378)
Total long-term debt	$	3,361,282		3,331,320

(a) Credit Facility

Antero Midstream Partners LP (“Antero Midstream Partners”), an indirect, wholly owned subsidiary of Antero Midstream Corporation, as borrower (the “Borrower”), has a senior secured revolving credit facility (the “Credit Facility”) with a consortium of banks. Lender commitments under the Credit Facility were $1.25 billion as of December 31, 2022 and March 31, 2023. The Credit Facility matures on October 26, 2026; provided that if on November 17, 2025 any of the 2026 Notes (as defined below) are outstanding, the Credit Facility will mature on such date. As of March 31, 2023, the Credit Facility had an available borrowing capacity of $499 million.

The Credit Facility contains certain covenants including restrictions on indebtedness, and requirements with respect to leverage and interest coverage ratios. The Credit Facility permits distributions to the holders of the Borrower’s equity interests in accordance with the cash distribution policy, provided that no event of default exists or would be caused thereby, and only to the extent permitted by the Borrower’s organizational documents. The Borrower was in compliance with all of the financial covenants under the Credit Facility as of December 31, 2022 and March 31, 2023.

The Credit Facility provides for borrowing under either the Adjusted Term Secured Overnight Financing Rate (“SOFR”) or the Base Rate (as each term is defined in the Credit Facility). Principal amounts borrowed are payable on the maturity date with such borrowings bearing interest that is payable with respect to (i) base rate loans, quarterly and (ii) SOFR Loans at the end of the applicable interest period if three months (or shorter, if applicable), or every three months if the applicable interest period is longer than three months. Interest is payable at a variable rate based on SOFR or the base rate, determined by election at the time of borrowing, plus an applicable margin rate under the Credit Facility. Interest at the time of borrowing is determined with reference to the Borrower’s then-current leverage ratio subject to certain exceptions. Commitment fees on the unused portion of the Credit Facility are due quarterly at rates ranging from 0.25% to 0.375% subject to certain exceptions based on the leverage ratio then in effect.

As of December 31, 2022, the Borrower had outstanding borrowings under the Credit Facility of $782 million with a weighted average interest rate of 6.17%. As of March 31, 2023, the Borrower had outstanding borrowings under the Credit Facility of $751 million with a weighted average interest rate of 6.64%. No letters of credit under the Credit Facility were outstanding as of December 31, 2022 or March 31, 2023.

13

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(b) 7.875% Senior Notes Due 2026

On November 10, 2020, Antero Midstream Partners and its wholly owned subsidiary, Antero Midstream Finance Corp (“Finance Corp,” and together with Antero Midstream Partners, the “Issuers”) issued $550 million in aggregate principal amount of 7.875% senior notes due May 15, 2026 (the “2026 Notes”) at par. The 2026 Notes are unsecured and effectively subordinated to the Credit Facility to the extent of the value of the collateral securing the Credit Facility. The 2026 Notes are fully and unconditionally guaranteed on a joint and several senior unsecured basis by Antero Midstream Corporation, Antero Midstream Partners’ wholly owned subsidiaries (other than Finance Corp) and certain of its future restricted subsidiaries. Interest on the 2026 Notes is payable on May 15 and November 15 of each year. Antero Midstream Partners may redeem all or part of the 2026 Notes at any time on or after May 15, 2023 at redemption prices ranging from 103.938% on or after May 15, 2023 to 100.00% on or after May 15, 2025. In addition, prior to May 15, 2023, Antero Midstream Partners may redeem up to 35% of the aggregate principal amount of the 2026 Notes with an amount of cash not greater than the net cash proceeds of certain equity offerings, if certain conditions are met, at a redemption price of 107.875% of the principal amount of the 2026 Notes, plus accrued and unpaid interest. At any time prior to May 15, 2023, Antero Midstream Partners may also redeem the 2026 Notes, in whole or in part, at a price equal to 100% of the principal amount of the 2026 Notes plus a “make-whole” premium and accrued and unpaid interest. If Antero Midstream Partners undergoes a change of control followed by a rating decline, the holders of the 2026 Notes will have the right to require Antero Midstream Partners to repurchase all or a portion of the 2026 Notes at a price equal to 101% of the principal amount of the 2026 Notes, plus accrued and unpaid interest.

(c) 5.75% Senior Notes Due 2027

On February 25, 2019, the Issuers issued $650 million in aggregate principal amount of 5.75% senior notes due March 1, 2027 (the “2027 Notes”) at par. The 2027 Notes were recorded at their fair value of $653.3 million as of March 12, 2019, and the related premium of $3.3 million will be amortized into interest expense over the life of the 2027 Notes. The 2027 Notes are unsecured and effectively subordinated to the Credit Facility to the extent of the value of the collateral securing the Credit Facility.  The 2027 Notes are fully and unconditionally guaranteed on a joint and several senior unsecured basis by Antero Midstream Corporation, Antero Midstream Partners’ wholly owned subsidiaries (other than Finance Corp) and certain of its future restricted subsidiaries.  Interest on the 2027 Notes is payable on March 1 and September 1 of each year.  Antero Midstream Partners may redeem all or part of the 2027 Notes at any time on or after March 1, 2022 at redemption prices ranging from 101.917% currently to 100.00% on or after March 1, 2025.  If Antero Midstream Partners undergoes a change of control followed by a rating decline, the holders of the 2027 Notes will have the right to require Antero Midstream Partners to repurchase all or a portion of the 2027 Notes at a price equal to 101% of the principal amount of the 2027 Notes, plus accrued and unpaid interest.

(d) 5.75% Senior Notes Due 2028

On June 28, 2019, the Issuers issued $650 million in aggregate principal amount of 5.75% senior notes due January 15, 2028 (the “2028 Notes”) at par.  The 2028 Notes are unsecured and effectively subordinated to the Credit Facility to the extent of the value of the collateral securing the Credit Facility.  The 2028 Notes are fully and unconditionally guaranteed on a joint and several senior unsecured basis by Antero Midstream Corporation, Antero Midstream Partners’ wholly owned subsidiaries (other than Finance Corp) and certain of its future restricted subsidiaries.  Interest on the 2028 Notes is payable on January 15 and July 15 of each year.  Antero Midstream Partners may redeem all or part of the 2028 Notes at any time on or after January 15, 2023 at redemption prices ranging from 102.875% on or after January 15, 2023 to 100.00% on or after January 15, 2026. If Antero Midstream Partners undergoes a change of control followed by a rating decline, the holders of the 2028 Notes will have the right to require Antero Midstream Partners to repurchase all or a portion of the 2028 Notes at a price equal to 101% of the principal amount of the 2028 Notes, plus accrued and unpaid interest.

14

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(e) 5.375% Senior Notes Due 2029

On June 8, 2021, the Issuers issued $750 million in aggregate principal amount of 5.375% senior notes due June 15, 2029 (the “2029 Notes”) at par. The 2029 Notes are unsecured and effectively subordinated to the Credit Facility to the extent of the value of the collateral securing the Credit Facility. The 2029 Notes are fully and unconditionally guaranteed on a joint and several senior unsecured basis by Antero Midstream Corporation, Antero Midstream Partners’ wholly owned subsidiaries (other than Finance Corp) and certain of its future restricted subsidiaries. Interest on the 2029 Notes is payable on June 15 and December 15 of each year. Antero Midstream Partners may redeem all or part of the 2029 Notes at any time on or after June 15, 2024 at redemption prices ranging from 102.688% on or after June 15, 2024 to 100.00% on or after June 15, 2026. In addition, prior to June 15, 2024, Antero Midstream Partners may redeem up to 35% of the aggregate principal amount of the 2029 Notes with an amount of cash not greater than the net cash proceeds of certain equity offerings, if certain conditions are met, at a redemption price of 105.375% of the principal amount of the 2029 Notes, plus accrued and unpaid interest. At any time prior to June 15, 2024, Antero Midstream Partners may also redeem the 2029 Notes, in whole or in part, at a price equal to 100% of the principal amount of the 2029 Notes plus a “make-whole” premium and accrued and unpaid interest. If Antero Midstream Partners undergoes a change of control followed by a rating decline, the holders of the 2029 Notes will have the right to require Antero Midstream Partners to repurchase all or a portion of the 2029 Notes at a price equal to 101% of the principal amount of the 2029 Notes, plus accrued and unpaid interest.

(f) Senior Notes Guarantors

The Company and each of the Company’s wholly owned subsidiaries (except for the Issuers) has fully and unconditionally guaranteed the 2026 Notes, 2027 Notes, 2028 Notes and 2029 Notes (collectively the “Senior Notes”). In the event a guarantor is sold or disposed of (whether by merger, consolidation, the sale of a sufficient amount of its capital stock so that it no longer qualifies as a Restricted Subsidiary (as defined in the applicable indenture governing the series of Senior Notes) of the Issuer or the sale of all or substantially all of its assets) and whether or not the guarantor is the surviving entity in such transaction to a person that is not an Issuer or a Restricted Subsidiary of an Issuer, such guarantor will be released from its obligations under its guarantee if the sale or other disposition does not violate the covenants set forth in the indentures governing the applicable Senior Notes.

In addition, a guarantor will be released from its obligations under the applicable indenture and its guarantee, upon the release or discharge of the guarantee of other indebtedness under a credit facility that resulted in the creation of such guarantee, except a release or discharge by or as a result of payment under such guarantee; if the Issuers designate such subsidiary as an unrestricted subsidiary and such designation complies with the other applicable provisions of the indenture governing the applicable Senior Notes or in connection with any covenant defeasance, legal defeasance or satisfaction and discharge of the applicable Senior Notes.

During the three months ended March 31, 2022 and 2023, all of the Company’s assets and operations are attributable to the Issuers and its guarantors.

(8) Accrued Liabilities

Accrued liabilities consisted of the following items:

			(Unaudited)
	December 31,		March 31,
(in thousands)	2022		2023
Capital expenditures	$	16,597		11,156
Operating expenses		11,118		11,509
Interest expense		37,947		40,756
Ad valorem taxes		5,661		3,559
Other		1,392		2,386
Total accrued liabilities	$	72,715		69,366

15

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(9) Equity-Based Compensation and Cash Awards

(a) Summary of Equity-Based Compensation

The Company’s equity-based compensation includes (i) costs allocated to Antero Midstream by Antero Resources for grants made prior to March 12, 2019 pursuant to the Antero Resources Corporation Long-Term Incentive Plan (the “AR LTIP”) and (ii) costs related to the Antero Midstream Corporation Long-Term Incentive Plan (the “AM LTIP”). Antero Midstream’s equity-based compensation expense is included in general and administrative expenses, and recorded as a credit to the applicable classes of equity.

AR LTIP

Equity-based compensation expense allocated to Antero Midstream from Antero Resources was $0.3 million and less than $0.1 million for the three months ended March 31, 2022 and 2023, respectively, which includes expense related to the Converted AM RSU Awards (as defined below). All grants made prior to March 12, 2019 were fully amortized during the first quarter of 2023. Therefore, there will be no further allocation of equity-based compensation expense from Antero Resources to the Company. The Company does not reimburse Antero Resources for noncash equity compensation allocated to it for awards issued under the AR LTIP.

AM LTIP

Effective March 12, 2019, the Board of Directors of Antero Midstream Corporation (the “Board”) adopted the AM LTIP under which awards may be granted to employees, directors, and other service providers of the Company and its affiliates. The Company is authorized to grant up to 15,398,901 shares of AM common stock to employees and directors under the AM LTIP. The AM LTIP provides for the grant of stock options, stock appreciation rights, restricted stock, restricted stock units (“RSUs”), dividend equivalents, other stock-based awards, cash awards and substitute awards. The terms and conditions of the awards granted are established by the compensation committee of the Board of Directors (the “Board”). As of March 31, 2023, a total of 3,971,135 shares were available for future grant under the AM LTIP.

The Company’s equity-based compensation expense, by type of award, is as follows:

		Three Months Ended March 31,
(in thousands)	2022		2023
Restricted stock units (1)	$	2,488		5,061
Performance share units (1)		117		1,061
Equity awards issued to directors		227		205
Total expense	$	2,832		6,327

(1) Amounts include equity-based compensation expense allocated to the Company by Antero Resources.

(b) Restricted Stock Unit Awards

The Company’s RSU awards included the unvested outstanding phantom units granted under the Antero Midstream Partners Long Term Incentive Plan which were assumed by the Company on March 12, 2019, and converted into 1.8926 RSUs under the AM LTIP representing a right to receive shares of the Company’s common stock for each converted phantom unit (all such RSUs, the “Converted AM RSU Awards”). The Converted AM RSU Awards were accounted for as if they were distributed by Antero Midstream Partners to Antero Resources. Therefore, the expense related to the Converted AM RSU Awards was subject to allocation by Antero Resources. All remaining Converted AM RSU Awards vested during the first quarter of 2023.

16

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

A summary of the RSU awards activity, which included the Converted AM RSU Awards, is as follows:

		Weighted Average
	Number	Grant Date
	of Units	Fair Value
Total AM LTIP RSUs awarded and unvested—December 31, 2022	4,877,258	$	9.79
Granted	3,094,153		10.59
Vested	(235,049)		7.62
Forfeited	(70,385)		10.18
Total AM LTIP RSUs awarded and unvested—March 31, 2023	7,665,977	$	10.17

As of March 31, 2023, unamortized expense of $61 million related to the unvested RSUs is expected to be recognized over a weighted average period of 2.5 years.

(c) Performance Share Unit Awards

2023 Performance Share Unit Awards

In March 2023, the Company granted PSUs to certain of its executive officers that vest based on the Company’s actual ROIC (as defined in the award agreement) over a three-year period concluding on December 31, 2025 as compared to a targeted ROIC (“2023 ROIC PSUs”). The number of shares of the Company’s common stock that can be earned with respect to the 2023 ROIC PSUs ranges from zero to 200% of the target number of 2023 ROIC PSUs originally granted. The grant date fair value of these awards was based on the closing price of the Company’s common stock on the date of the grant, assuming target achievement of the performance condition. Expense related to the 2023 ROIC PSUs is recognized based on the number of shares of the Company’s common stock that are expected to be issued at the end of the measurement period, and such expense is reversed if the likelihood of achieving the performance condition decreases. The likelihood of achieving the performance conditions related to 2023 ROIC PSU awards was probable as of March 31, 2023.

Summary Information for Performance Share Unit Awards

A summary of the PSU awards activity is as follows:

		Weighted Average
	Number	Grant Date
	of Units	Fair Value
Total AM LTIP PSUs awarded and unvested—December 31, 2022	439,935	$	11.28
Granted	512,166		10.58
Total AM LTIP PSUs awarded and unvested—March 31, 2023	952,101	$	10.90

As of March 31, 2023, there was $17 million of unamortized equity-based compensation expense related to unvested PSUs that is expected to be recognized over a weighted average period of 2.6 years.

(d) Cash Awards

In January 2020, the Company granted cash awards of $2.2 million to certain executives under the AM LTIP that vested ratably over a period of up to three years. In July 2020, the Company granted additional cash awards of $0.7 million to certain non-executive employees under the AM LTIP that vest ratably over a period of four years. The compensation expense for these awards is recognized ratably over the applicable vesting period. As of December 31, 2022 and March 31, 2023, the Company has accrued $0.5 million and $0.2 million, respectively, in other liabilities in the condensed consolidated balance sheets related to unvested cash awards.

17

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(10) Cash Dividends

The Company paid cash dividends for the quarter indicated as follows (in thousands, except per share data):

					Dividends
Period	Record Date	Dividend Date	Dividends		per Share
Q4 2021	January 26, 2022	February 9, 2022	$	108,149	$	0.2250
*	February 14, 2022	February 14, 2022		138		*
Q1 2022	April 27, 2022	May 11, 2022		109,296		0.2250
*	May 16, 2022	May 16, 2022		137		*
Q2 2022	July 27, 2022	August 10, 2022		107,675		0.2250
*	August 15, 2022	August 15, 2022		138		*
Q3 2022	October 26, 2022	November 9, 2022		107,705		0.2250
*	November 14, 2022	November 14, 2022		137		*
	Total 2022		$	433,375
Q4 2022	January 25, 2023	February 8, 2023	$	108,364	$	0.2250
*	February 14, 2023	February 14, 2023		138		*
	Total 2023		$	108,502

* Dividends are paid in accordance with the terms of the Series A Preferred Stock (as defined below) as discussed in Note 11—Equity and Earnings Per Common Share.

On April 12, 2023, the Board announced the declaration of a cash dividend on the shares of AM common stock of $0.2250 per share for the quarter ended March 31, 2023. The dividend is payable on May 10, 2023 to stockholders of record as of April 26, 2023. The Company pays dividends (i) out of surplus or (ii) if there is no surplus, out of the net profits for the fiscal year in which the dividend is declared and/or the preceding fiscal year, as provided under Delaware law.

The Board also declared a cash dividend of $138 thousand on the shares of Series A Preferred Stock of Antero Midstream that is payable on May 15, 2023 in accordance with the terms of the Series A Preferred Stock, which are discussed in Note 11—Equity and Earnings Per Common Share. As of March 31, 2023, there were dividends in the amount of $69 thousand accumulated in arrears on the Company’s Series A Preferred Stock.

(11) Equity and Earnings Per Common Share

(a) Preferred Stock

The Board authorized 100,000,000 shares of preferred stock on March 12, 2019, and issued 10,000 shares of preferred stock designated as "5.5% Series A Non-Voting Perpetual Preferred Stock" (the "Series A Preferred Stock"), to The Antero Foundation on that date. Dividends on the Series A Preferred Stock are cumulative from the date of original issue and payable in cash on the 45^th day following the end of each fiscal quarter, or such other dates as the Board will approve, at a rate of 5.5% per annum on (i) the liquidation preference per share of Series A Preferred Stock (as described below) and (ii) the amount of accrued and unpaid dividends for any prior dividend period on such share of Series A Preferred Stock, if any. At any time following the date of issue, in the event of a change of control, or at any time on or after March 12, 2029, the Company may redeem the Series A Preferred Stock at a price equal to $1,000 per share, plus any accrued and unpaid dividends, payable in cash; provided that if any shares of the Series A Preferred Stock are held by The Antero Foundation at the time of such redemption, the price for redemption of each share of Series A Preferred Stock will be the greater of (i) $1,000 per share, plus any accrued but unpaid dividends, and (ii) the fair market value of the Series A Preferred Stock. On or after March 12, 2029, the holder of each share of Series A Preferred Stock (other than The Antero Foundation) may convert such shares, at any time and from time to time, at the option of the holder into a number of shares of AM common stock equal to the conversion ratio in effect on the applicable conversion date, subject to certain limitations. The Series A Preferred Stock ranks senior to the AM common stock as to dividend rights, as well as with respect to rights upon liquidation, winding-up or dissolution of the Company. Holders of the Series A Preferred Stock do not have any voting rights in the Company, except as required by law, or any preemptive rights.

18

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(b) Weighted Average Shares Outstanding

The following is a reconciliation of the Company’s basic weighted average shares outstanding to diluted weighted average shares outstanding:

	Three Months Ended March 31,
(in thousands)	2022		2023
Basic weighted average number of shares outstanding		477,646		478,612
Add: Dilutive effect of RSUs		1,382		1,687
Add: Dilutive effect of PSUs		225		207
Add: Dilutive effect of Series A Preferred Stock		920		953
Diluted weighted average number of shares outstanding		480,173		481,459
Weighted average number of outstanding equity awards excluded from calculation of net income per share—diluted (1):
RSUs		1		872
PSUs		—		285

(1) The potential dilutive effects of these awards were excluded from the computation of net income per share—diluted because the inclusion of these awards would have been anti-dilutive.

(c) Net Income Per Share

Net income per share—basic for each period is computed by dividing the net income or loss attributable to the Company by the basic weighted average number of shares outstanding during the period. Net income per share—diluted for each period is computed after giving consideration to the potential dilution from outstanding equity awards, calculated using the treasury stock method. During periods in which the Company incurs a net loss, diluted weighted average shares outstanding are equal to basic weighted average shares outstanding because the effect of all equity awards is anti-dilutive.

	Three Months Ended March 31,
(in thousands, except per share amounts)	2022		2023
Net income	$	80,040		86,507
Less preferred stock dividends		(138)		(138)
Net income available to common shareholders	$	79,902		86,369
Net income per share–basic	$	0.17		0.18
Net income per share–diluted	$	0.17		0.18
Weighted average common shares outstanding–basic		477,646		478,612
Weighted average common shares outstanding–diluted		480,173		481,459

19

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(12) Fair Value Measurement

(a) Senior Unsecured Notes

The fair value and carrying value of the Company’s Senior Notes is as follows:

					(Unaudited)
	December 31, 2022				March 31, 2023
(in thousands)	Fair Value (1)		Carrying Value (2)		Fair Value (1)		Carrying Value (2)
2026 Notes	$	556,985		545,416		559,735		545,712
2027 Notes		612,365		646,610		632,905		646,780
2028 Notes		601,575		644,776		621,530		645,004
2029 Notes		685,650		742,480		704,100		742,724
Total	$	2,456,575		2,579,282		2,518,270		2,580,220

(1) Fair values are based on Level 2 market data inputs.

(2) Carrying values are presented net of unamortized debt issuance costs and debt premiums.

(b) Other Assets and Liabilities

The carrying values of accounts receivable and accounts payable as of December 31, 2022 and March 31, 2023 approximated fair value because of their short-term nature. The carrying value of the amounts under the Credit Facility as of December 31, 2022 and March 31, 2023 approximated fair value because the variable interest rates are reflective of current market conditions.

(13) Investments in Unconsolidated Affiliates

The Company has a 50% equity interest in the joint venture to develop processing and fractionation assets with MarkWest Energy Partners, L.P. (“MarkWest”), a wholly owned subsidiary of MPLX, LP (the “Joint Venture”). The Joint Venture was formed to develop processing and fractionation assets in Appalachia. MarkWest operates the Joint Venture assets, which consist of processing plants in West Virginia and a one-third interest in two MarkWest fractionators in Ohio.

The Company also has a 15% equity interest in a gathering system of Stonewall Gas Gathering LLC (“Stonewall”), which operates a 67-mile pipeline on which Antero Resources is an anchor shipper.

The Company’s net income includes its proportionate share of the net income of the Joint Venture and Stonewall. When the Company records its proportionate share of net income, it increases equity income in the unaudited condensed consolidated statements of operations and comprehensive income and the carrying value of that investment on its condensed consolidated balance sheet. When distributions on the Company’s proportionate share of net income are received, they are recorded as reductions to the carrying value of the investment on the condensed consolidated balance sheet and are classified as cash inflows from operating activities in accordance with the nature of the distribution approach under FASB ASC Topic 230, Statement of Cash Flows. The Company uses the equity method of accounting to account for its investments in the Joint Venture and Stonewall because it exercises significant influence, but not control, over the entities. The Company’s judgment regarding the level of influence over its equity investments includes considering key factors such as its ownership interest, representation on the applicable Board of Directors and participation in policy-making decisions of the Joint Venture and Stonewall.

20

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

The following table is a reconciliation of the Company’s investments in these unconsolidated affiliates:

					Total Investment
					in Unconsolidated
(in thousands)	Joint Venture		Stonewall		Affiliates
Balance as of December 31, 2022	$	526,652		126,115		652,767
Equity in earnings of unconsolidated affiliates (1)		22,630		1,826		24,456
Distributions from unconsolidated affiliates		(27,010)		(7,095)		(34,105)
Balance as of March 31, 2023	$	522,272		120,846		643,118

(1) As adjusted for the amortization of the difference between the cost of the equity investments in Stonewall and the Joint Venture and the amount of the underlying equity in the net assets of the Joint Venture and Stonewall as of March 12, 2019.

(14)  Contingencies

The Company is currently involved in a consolidated lawsuit with Veolia Water Technologies, Inc. (“Veolia”) relating to the Clearwater Facility.

On March 13, 2020, Antero Treatment LLC (“Antero Treatment”), a wholly owned subsidiary of the Company, filed suit against Veolia in the district court of Denver County, Colorado (the “Court”), asserting claims of fraud, breach of contract and other related claims. Antero Treatment alleges that Veolia failed to meet its contractual obligations to design and build a “turnkey” wastewater disposal facility under a Design/Build Agreement dated August 18, 2015 (the “DBA”), and that Veolia fraudulently concealed certain miscalculations and design flaws during contract negotiations and continued to conceal and fraudulently misrepresent the impact of certain design changes post-execution of the DBA. On March 13, 2020, Veolia filed a separate suit against the Company, Antero Resources, and certain of the Company’s wholly owned subsidiaries (collectively, the “Antero Defendants”) in Denver County, Colorado. In its lawsuit, Veolia asserted breach of contract and equitable claims against the Antero Defendants for alleged failures under the DBA. Veolia’s suit was consolidated into the action filed by Antero Treatment.

Veolia and the Antero Defendants each filed partial motions to dismiss and motions for summary judgment directed at certain claims asserted by the opposing party. A bench trial on the remaining claims was held from January 24 through February 10, 2022 and concluded on February 24, 2022. At trial, Antero Treatment sought damages from Veolia of $450 million, which represents the Company’s out-of-pocket costs associated with the Clearwater Facility project. In the alternative, Antero Treatment sought damages related to multiple breaches of the DBA, totaling $370 million. Also at trial, Veolia sought monetary damages of $118 million, including alleged delay and extra-contractual costs and a contract balance relating to an allegation that Antero Defendants improperly terminated the DBA.

On January 3, 2023, the Court found that Antero Treatment had prevailed on its claims for breach of contract and fraud, and awarded $242 million in damages to Antero Treatment, plus pre- and post-judgment interest and reasonable costs and attorneys’ fees. The Court also found in Antero Defendants’ favor on all of Veolia’s affirmative claims. On January 27, 2023 the Court entered judgment in favor of Antero Treatment in the amount of $309 million in damages, which includes pre-judgment interest. Antero was also awarded costs and attorneys’ fees, the amount of which will be determined in separate proceedings. On April 10, 2023, the Court issued an order identifying an error in its previously entered judgment and reduced the damages award by $27 million. The Court has not yet entered an amended judgment, which, once entered, will be subject to appeal.

21

ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

(15) Reportable Segments

(a) Summary of Reportable Segments

The Company’s operations, which are located in the United States, are organized into two reportable segments: (i) gathering and processing and (ii) water handling. These segments are monitored separately by management for performance and are consistent with internal financial reporting. These segments have been identified based on the differing products and services, regulatory environment and the expertise required for these operations. Management evaluates the performance of the Company’s business segments based on operating income. Interest expense is primarily managed and evaluated on a consolidated basis.

Gathering and Processing

The gathering and processing segment includes a network of gathering pipelines and compressor stations that collect and process production from Antero Resources’ wells in West Virginia and Ohio. The gathering and processing segment also includes equity in earnings from the Company’s investments in the Joint Venture and Stonewall.

Water Handling

The Company’s water handling segment includes two independent systems that deliver water from sources including the Ohio River, local reservoirs and several regional waterways. Portions of these water handling systems are also utilized to transport flowback and produced water. The water handling systems consist of permanent buried pipelines, surface pipelines and water storage facilities, as well as pumping stations, blending facilities and impoundments to transport water throughout the systems used to deliver water for Antero Resources’ well completions.

(b) Reportable Segments Financial Information

The summarized operating results of the Company’s reportable segments are as follows:

	Three Months Ended March 31, 2022
	Gathering and		Water				Consolidated
(in thousands)	Processing		Handling		Unallocated (1)		Total
Revenues:
Revenue–Antero Resources	$	182,443		53,321		—		235,764
Revenue–third-party		—		395		—		395
Amortization of customer relationships		(9,271)		(8,397)		—		(17,668)
Total revenues		173,172		45,319		—		218,491
Operating expenses:
Direct operating		17,182		24,830		—		42,012
General and administrative		9,701		6,741		1,489		17,931
Facility idling		—		1,148		—		1,148
Depreciation		15,807		12,493		—		28,300
Accretion of asset retirement obligations		—		64		—		64
Gain on asset sale		(31)		(87)		—		(118)
Total operating expenses		42,659		45,189		1,489		89,337
Operating income	$	130,513		130		(1,489)		129,154
Equity in earnings of unconsolidated affiliates	$	23,232		—		—		23,232
Additions to property and equipment	$	70,734		13,533		—		84,267

(1) Certain expenses that are not directly attributable to gathering and processing and water handling are managed and evaluated on a consolidated basis.

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ANTERO MIDSTREAM CORPORATION

Notes to the Unaudited Condensed Consolidated Financial Statements (Continued)

	Three Months Ended March 31, 2023
	Gathering and		Water				Consolidated
(in thousands)	Processing		Handling		Unallocated (1)		Total
Revenues:
Revenue–Antero Resources	$	199,576		77,295		—		276,871
Revenue–third-party		—		272		—		272
Amortization of customer relationships		(9,271)		(8,397)		—		(17,668)
Total revenues		190,305		69,170		—		259,475
Operating expenses:
Direct operating		24,118		33,755		—		57,873
General and administrative		10,180		6,208		959		17,347
Facility idling		—		574		—		574
Depreciation		22,063		13,133		—		35,196
Accretion of asset retirement obligations		—		44		—		44
Loss on settlement of asset retirement obligations		—		341		—		341
Gain on asset sale		(242)		(3)		—		(245)
Total operating expenses		56,119		54,052		959		111,130
Operating income	$	134,186		15,118		(959)		148,345
Equity in earnings of unconsolidated affiliates	$	24,456		—		—		24,456
Additions to property and equipment, net	$	29,197		13,760		—		42,957

(1) Certain expenses that are not directly attributable to gathering and processing and water handling are managed and evaluated on a consolidated basis.

The summarized total assets of the Company’s reportable segments are as follows:

			(Unaudited)
	December 31,		March 31,
(in thousands)	2022		2023
Gathering and Processing	$	4,711,069		4,692,529
Water Handling		1,079,297		1,076,653
Unallocated (1)		954		1,345
Total assets	$	5,791,320		5,770,527

(1) Certain assets that are not directly attributable to gathering and processing and water handling are managed and evaluated on a consolidated basis.

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

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our unaudited condensed consolidated financial statements and related notes included elsewhere in this report. The information provided below supplements, but does not form part of, our unaudited condensed consolidated financial statements. This discussion contains forward-looking statements that are based on the views and beliefs of our management, as well as assumptions and estimates made by our management. Actual results could differ materially from such forward-looking statements as a result of various risk factors, including those that may not be in the control of management. For further information on items that could impact our future operating performance or financial condition, see “Item 1A. Risk Factors” and the section entitled “Cautionary Statement Regarding Forward-Looking Statements.” We do not undertake any obligation to publicly update any forward-looking statements except as otherwise required by applicable law. In this section, references to “Antero Midstream,” “AM,” the “Company,” “we,” “us,” and “our” refer to Antero Midstream Corporation and its consolidated subsidiaries, unless otherwise indicated or the context otherwise requires.

Overview

We are a growth-oriented midstream energy company formed to own, operate and develop midstream energy assets to primarily service Antero Resources’ production and completion activity. We believe that our strategically located assets and our relationship with Antero Resources have allowed us to become a leading midstream energy company serving the Appalachian Basin and present opportunities to expand our midstream services to other operators in the Appalachian Basin. Our assets consist of gathering pipelines, compressor stations and interests in processing and fractionation plants that collect and process production from Antero Resources’ wells in the Appalachian Basin in West Virginia and Ohio. Our assets also include two independent water handling systems that deliver water from the Ohio River and several regional waterways. These water handling systems consist of permanent buried pipelines, surface pipelines and water storage facilities, as well as pumping stations, blending facilities and impoundments. Portions of these water handling systems are also utilized to transport flowback and produced water. These services are provided by us directly or through third-parties with which we contract.

Market Conditions and Business Trends

Commodity Markets

Prices for natural gas, NGLs and oil have decreased during the three months ended March 31, 2023 as compared to the same period of 2022. While substantially all of our revenues are based on fixed-fee contracts that are not directly impacted by changes in commodity prices, commodity price changes do impact the revenues and cash flows of Antero Resources, and Antero Resources’ drilling and development plan does have a direct impact on our gathering, compression and water handling services, revenues and cash flows. In the current economic environment, we expect that commodity prices for some or all of the commodities produced by Antero Resources could remain volatile. However, due to Antero Resources’ improved liquidity and leverage position as compared to past levels, Antero Resources is pursuing a maintenance capital program. Therefore, we do not expect to experience significant variability in our throughput volumes resulting from volatile commodity prices.

Growth Incentive Fee Program with Antero Resources

Our 2019 gathering and compression agreement with Antero Resources includes a growth incentive fee program whereby we agreed to provide quarterly fee rebates to Antero Resources through December 31, 2023, contingent upon Antero Resources achieving volumetric growth targets on low pressure gathering. Antero Resources’ throughput gathered under the Marcellus gathering and compression agreements is not considered in the low pressure gathering volume targets. If actual low pressure volumes are below the lowest threshold for the respective period, Antero Resources will not earn a reduction in low pressure gathering fees.

The growth incentive fee rebate program expires December 31, 2023, and the following table summarizes the remaining low pressure gathering growth incentive targets through the remainder of 2023:

	Low Pressure Gathering	Quarterly Fee
	Volume Growth Incentive	Reduction
	Targets (MMcf/d)	(in millions)
Calendar Year 2023
Threshold 1	>2,900 and <3,150	$12.0
Threshold 2	>3,150 and <3,400	$15.5
Threshold 3	>3,400	$19.0

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During the three months ended March 31, 2022 and 2023, Antero Resources delivered low pressure gathering volumes under the 2019 gathering and compression agreement of 2,930 MMcf/d and 2,977 MMcf/d, respectively, and as a result, earned a quarterly fee reduction of $12 million during both periods.

Economic Indicators

The economy is experiencing elevated inflation levels as a result of global supply and demand imbalances, where global demand continues to outpace current supplies. For example, the Consumer Price Index (“CPI”) for all urban consumers increased 5% from March 2022 to March 2023 as compared to the Federal Reserve’s stated goal of 2%. See “—Capital Resources and Liquidity—Capital Investment” for more information. In order to manage the inflation risk currently present in the United States’ economy, the Federal Reserve has utilized monetary policy in the form of interest rate increases in an effort to bring the inflation rate in line with its stated goal of 2% on a long-term basis.

The economy also continues to be impacted by global events and the aftermath of the COVID-19 pandemic, among other factors. These events have often caused global supply chain disruptions with additional pressure due to trade sanctions on Russia and other global trade restrictions, among others. However, neither our nor Antero Resources’ supply chain has experienced any significant interruptions due to such events.

Inflationary pressures and supply chain disruptions could result in further increases to our operating and capital costs that are not fixed. However, our gathering and compression agreements provide for annual CPI-based adjustments that mitigate a portion of such inflationary pressures.

These economic variables are beyond our control and may adversely impact our business, financial condition, results of operations and future cash flows.

Results of Operations

We have two operating segments: (i) gathering and processing and (ii) water handling. The gathering and processing segment includes a network of gathering pipelines and compressor stations that collect and process production from Antero Resources’ wells in the Appalachian Basin, as well as equity in earnings from our investments in the Joint Venture and Stonewall. The Joint Venture and Stonewall provide processing and fractionation services and high-pressure gas gathering services, respectively, in the Appalachian Basin. The water handling segment includes (i) two independent systems that deliver water from sources including the Ohio River, local reservoirs and several regional waterways, and (ii) other fluid handling services, which include high rate transfer, wastewater transportation, disposal and blending.

25

Three Months Ended March 31, 2022 Compared to Three Months Ended March 31, 2023

The operating results of our reportable segments are as follows:

	Three Months Ended March 31, 2022
	Gathering and		Water				Consolidated
(in thousands)	Processing		Handling		Unallocated (1)		Total
Revenues:
Revenue–Antero Resources	$	194,443		53,321		—		247,764
Revenue–third-party		—		395		—		395
Gathering—low pressure fee rebate		(12,000)		—		—		(12,000)
Amortization of customer relationships		(9,271)		(8,397)		—		(17,668)
Total revenues		173,172		45,319		—		218,491
Operating expenses:
Direct operating		17,182		24,830		—		42,012
General and administrative (excluding equity-based compensation)		7,565		6,272		1,262		15,099
Equity-based compensation		2,136		469		227		2,832
Facility idling		—		1,148		—		1,148
Depreciation		15,807		12,493		—		28,300
Accretion of asset retirement obligations		—		64		—		64
Gain on asset sale		(31)		(87)		—		(118)
Total operating expenses		42,659		45,189		1,489		89,337
Operating income		130,513		130		(1,489)		129,154
Other income (expense):
Interest expense, net		—		—		(44,279)		(44,279)
Equity in earnings of unconsolidated affiliates		23,232		—		—		23,232
Total other income (expense)		23,232		—		(44,279)		(21,047)
Income before income taxes		153,745		130		(45,768)		108,107
Income tax expense		—		—		(28,067)		(28,067)
Net income and comprehensive income	$	153,745		130		(73,835)		80,040
Adjusted EBITDA (2)							$	209,030

(1) Corporate expenses that are not directly attributable to either the gathering and processing or water handling segments.

(2) Adjusted EBITDA is a non-GAAP financial measure. For a discussion of this measure, including a reconciliation to its most directly comparable financial measure calculated and presented in accordance with GAAP, see “—Non-GAAP Financial Measures.”

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	Three Months Ended March 31, 2023
	Gathering and		Water				Consolidated
(in thousands)	Processing		Handling		Unallocated (1)		Total
Revenues:
Revenue–Antero Resources	$	211,576		77,295		—		288,871
Revenue–third-party		—		272		—		272
Gathering—low pressure fee rebate		(12,000)		—		—		(12,000)
Amortization of customer relationships		(9,271)		(8,397)		—		(17,668)
Total revenues		190,305		69,170		—		259,475
Operating expenses:
Direct operating		24,118		33,755		—		57,873
General and administrative (excluding equity-based compensation)		5,772		4,494		754		11,020
Equity-based compensation		4,408		1,714		205		6,327
Facility idling		—		574		—		574
Depreciation		22,063		13,133		—		35,196
Accretion of asset retirement obligations		—		44		—		44
Loss on settlement of asset retirement obligations		—		341		—		341
Gain on asset sale		(242)		(3)		—		(245)
Total operating expenses		56,119		54,052		959		111,130
Operating income		134,186		15,118		(959)		148,345
Other income (expense):
Interest expense, net		—		—		(54,624)		(54,624)
Equity in earnings of unconsolidated affiliates		24,456		—		—		24,456
Total other income (expense)		24,456		—		(54,624)		(30,168)
Income before income taxes		158,642		15,118		(55,583)		118,177
Income tax expense		—		—		(31,670)		(31,670)
Net income and comprehensive income	$	158,642		15,118		(87,253)		86,507
Adjusted EBITDA (2)							$	241,781

(1) Corporate expenses that are not directly attributable to either the gathering and processing or water handling segments.

(2) Adjusted EBITDA is a non-GAAP financial measure. For a discussion of this measure, including a reconciliation to its most directly comparable financial measure calculated and presented in accordance with GAAP, see “—Non-GAAP Financial Measures.”

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The operating data for Antero Midstream is as follows:

	Three Months Ended				Amount of
	March 31,				Increase		Percentage
	2022		2023		or Decrease		Change
Operating Data:
Gathering—low pressure (MMcf)		263,727		285,423		21,696		8	%
Compression (MMcf)		253,474		282,362		28,888		11	%
Gathering—high pressure (MMcf)		259,042		252,129		(6,913)		(3)	%
Fresh water delivery (MBbl)		7,874		11,110		3,236		41	%
Other fluid handling (MBbl)		4,203		4,965		762		18	%
Wells serviced by fresh water delivery		21		23		2		10	%
Gathering—low pressure (MMcf/d)		2,930		3,171		241		8	%
Compression (MMcf/d)		2,816		3,137		321		11	%
Gathering—high pressure (MMcf/d)		2,878		2,801		(77)		(3)	%
Fresh water delivery (MBbl/d)		87		123		36		41	%
Other fluid handling (MBbl/d)		47		55		8		17	%
Average Realized Fees:
Average gathering—low pressure fee ($/Mcf)	$	0.34		0.35		0.01		3	%
Average compression fee ($/Mcf)	$	0.21		0.21		—		*
Average gathering—high pressure fee ($/Mcf)	$	0.21		0.21		—		*
Average fresh water delivery fee ($/Bbl)	$	4.07		4.21		0.14		3	%
Joint Venture Operating Data:
Processing—Joint Venture (MMcf)		136,242		135,741		(501)		*
Fractionation—Joint Venture (MBbl)		3,077		3,222		145		5	%
Processing—Joint Venture (MMcf/d)		1,514		1,508		(6)		*
Fractionation—Joint Venture (MBbl/d)		34		36		2		6	%

* Not meaningful or applicable.

Revenues. Total revenues increased by 19%, from $218 million, including amortization of customer relationships of $18 million, for the three months ended March 31, 2022, to $259 million, including amortization of customer relationships of $18 million, for the three months ended March 31, 2023. Gathering and processing revenues increased by 10%, from $173 million for the three months ended March 31, 2022 to $190 million for the three months ended March 31, 2023. Water handling revenues increased by 53%, from $45 million for the three months ended March 31, 2022 to $69 million for the three months ended March 31, 2023. These fluctuations primarily resulted from the following:

Gathering and Processing

● Low pressure gathering revenue increased $10 million period over period primarily due to increased throughput volumes of 22 Bcf, or 241 MMcf/d, and increases in our low pressure gathering rates as a result of annual CPI-based adjustments. Low pressure gathering volumes increased between periods primarily due to 329 additional wells being connected to our system since March 31, 2022, of which 253 wells were connected to the assets we acquired during the fourth quarter of 2022.

● Compression revenue increased $7 million period over period primarily due to increased throughput volumes of 29 Bcf, or 321 MMcf/d and increases in our compression rates as a result of annual CPI-based adjustments. Compression volumes increased between periods primarily due to the 329 additional wells being connected to our system since March 31, 2022, the addition of 12 compressor stations that were acquired during the fourth quarter of 2022 and one compressor station that was placed in service during the second quarter of 2022.

● High pressure gathering revenue remained consistent for the three months ended March 31, 2022 and 2023 at $53 million and $54 million, respectively, primarily due to a 3% increase to the high pressure gathering rate as a result of an annual CPI-based adjustment, partially offset by decreased throughput volumes of 7 Bcf, or 77 MMcf/d. The high pressure gathering volumes decreased period over period primarily as a result of higher production from Antero Resources that was subject to a third-party high pressure gathering acreage dedication, partially offset by 76 new wells connected to our high pressure system since March 31, 2022. The assets acquired during 2022 were already connected to high pressure systems operated by us or third-parties prior to such acquisitions, and therefore, the 253 wells connected to the acquired assets did not increase the throughput on our high pressure gathering system.

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Water Handling

● Fresh water delivery revenue increased $15 million period over period primarily due to increased fresh water delivery volumes of 3 MMBbl, or 36 MBbl/d, and a 3% increase to the fresh water delivery rate for our long-term contract with Antero Resources as a result of the annual CPI-based adjustment. Fresh water delivery volumes increased between periods due to higher well completions by Antero Resources.

● Other fluid handling services revenue increased $9 million period over period primarily due to (i) increased costs, partially due to inflationary pressures that impact our cost plus 3% and cost of service rates during the three months ended March 31, 2023 and (ii) higher other fluid handling volumes of 1 MMBl, or 8 MBbl/d, between periods.

Direct operating expenses. Total direct operating expenses increased by 38%, from $42 million for the three months ended March 31, 2022 to $58 million for the three months ended March 31, 2023. Gathering and processing direct operating expenses increased by 40%, from $17 million for the three months ended March 31, 2022 to $24 million for the three months ended March 31, 2023 primarily due to 12 compressor stations that were acquired during the fourth quarter of 2022, one compressor station that was placed in service during the second quarter of 2022 and increased heavy maintenance expense between periods. Water handling direct operating expenses increased by 36%, from $25 million for the three months ended March 31, 2022 to $34 million for the three months ended March 31, 2023 primarily due to higher wastewater trucking volumes and rates, and higher water blending volumes between periods.

General and administrative (excluding equity-based compensation) expenses. General and administrative expenses (excluding equity-based compensation expense) decreased by 27%, from $15 million for the three months ended March 31, 2022 to $11 million for three months ended March 31, 2023 primarily due to lower legal costs associated with the Veolia legal matter between periods and lower costs allocated to us from Antero Resources. See “Item 1. Legal Proceedings” below for additional information.

Equity-based compensation expenses. Equity-based compensation expenses increased from $3 million for the three months ended March 31, 2022 to $6 million for the three months ended March 31, 2023 primarily due to an increase in the annual equity awards granted during the first quarter of 2023 as compared to prior years, which were temporarily and significantly reduced during 2020 and supplemented by our cash awards program. Our equity awards vest over three or four year service periods, and our equity incentive program began returning to normal levels in 2021. See Note 9—Equity-Based Compensation and Cash Awards to the condensed consolidated financial statements for more information.

Depreciation expense. Total depreciation expense increased by 24%, from $28 million for the three months ended March 31, 2022 to $35 million for the three months ended March 31, 2023. This increase is primarily due to (i) $5 million for a phased early retirement of an underutilized compressor station, (ii) $1 million for our assets acquired during the fourth quarter of 2022 and (iii) $1 million related to assets placed in service between periods. The phased early retirement of the underutilized compressor station began in the second quarter of 2022 and will be completed by the first half of 2023, and allows us to relocate and reuse the compressor units and equipment to (i) expand an existing compressor station and/or (ii) contribute to a new compressor station. There are certain costs associated with the underutilized compressor station that cannot be relocated or reused, and such costs will be fully depreciated during the first half of 2023.

Interest expense. Interest expense increased by 23%, from $44 million for the three months ended March 31, 2022 to $55 million for the three months ended March 31, 2023 primarily due to increased interest rates on our Credit Facility due to higher benchmark rates during the three months ended March 31, 2023 and higher borrowings on our Credit Facility between periods primarily as a result of our asset acquisitions in the fourth quarter of 2022.

Equity in earnings of unconsolidated affiliates. Equity in earnings of unconsolidated affiliates increased by 5%, from $23 million for the three months ended March 31, 2022 to $24 million for the three months ended March 31, 2023 primarily due to higher processing and fractionation fees as a result of annual CPI-based adjustments and increased fractionation volumes between periods.

Income tax expense. Income tax expense increased by 13%, from $28 million for the three months ended March 31, 2022 to $32 million for the three months ended March 31, 2023, which reflects effective tax rates of 26.0% and 26.8%, respectively. This income tax expense increase was primarily due to higher pre-tax income between periods.

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Net income. Net income increased by 8%, from $80 million for the three months ended March 31, 2022 to $87 million for the three months ended March 31, 2023 primarily due to higher gathering, compression and water handling revenues and lower general and administrative costs, excluding equity-based compensation expense between periods, partially offset by higher total direct operating expenses, interest expense, depreciation expense and equity-based compensation expense between periods.

Adjusted EBITDA. Adjusted EBITDA increased by 16%, from $209 million for the three months ended March 31, 2022 to $242 million for the three months ended March 31, 2023. The increase between periods was primarily due to higher gathering, compression and water handling revenues and lower general and administrative costs, excluding equity-based compensation expense, and higher distributions from unconsolidated affiliates, partially offset by higher total direct operating expenses. For a discussion of the non-GAAP financial measure Adjusted EBITDA, including a reconciliation to its most directly comparable financial measure calculated and presented in accordance with GAAP, see “—Non-GAAP Financial Measures” below.

Capital Resources and Liquidity

Sources and Uses of Cash

Capital resources and liquidity are provided by operating cash flows and available borrowings under our Credit Facility and capital market transactions. See Note 7—Long-Term Debt to the unaudited condensed consolidated financial statements. We expect that the combination of these capital resources will be adequate to meet our working capital requirements, capital expenditures program, expected quarterly cash dividends and share repurchases under our share repurchases program for at least the next 12 months.

Our Board of Directors (the “Board”) declared a cash dividend on the shares of our common stock of $0.2250 per share for the quarter ended March 31, 2023. The dividend is payable on May 10, 2023 to stockholders of record as of April 26, 2023. Our Board also declared a cash dividend of $138 thousand on the shares of Series A Preferred Stock, which will be paid on May 15, 2023 in accordance with their terms as discussed in Note 11—Equity and Earnings Per Common Share. As of March 31, 2023, there were dividends in the amount of $69 thousand accumulated in arrears on our Series A Preferred Stock.

We expect our future cash requirements relating to working capital, capital expenditures, acquisitions and quarterly cash dividends to our stockholders will be funded from cash flows internally generated from our operations or borrowings under the Credit Facility.

As of March 31, 2023, we did not have any off-balance sheet arrangements.

Cash Flows

The following table summarizes our cash flows for the three months ended March 31, 2022 and 2023:

	Three Months Ended March 31,
(in thousands)	2022		2023
Net cash provided by operating activities	$	184,664		182,719
Net cash used in investing activities		(84,146)		(42,151)
Net cash used in financing activities		(100,518)		(140,568)
Net increase in cash and cash equivalents	$	—		—

Operating activities. Net cash provided by operating activities was $185 million and $183 million for the three months ended March 31, 2022 and 2023, respectively. The decrease in cash flows provided by operations between periods was primarily the result of changes in working capital, higher direct operating expenses and higher interest expense, partially offset by higher gathering, compression and water handling revenues between periods.

Investing activities. Net cash flows used in investing activities was $84 million and $42 million for the three months ended March 31, 2022 and 2023, respectively. The decrease in cash flows used in investing activities between periods was primarily due to decreased capital spending for our gathering systems of $42 million primarily as a result of fewer capital projects between periods.

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Financing activities. Net cash used in financing activities was $101 million and $141 million for the three months ended March 31, 2022 and 2023, respectively. The increase in cash flows used in financing activities between periods was primarily due to net repayments on our Credit Facility of $31 million during the three months ended March 31, 2023, as compared to net borrowings on our Credit Facility of $9 million during the three months ended March 31, 2022.

2023 Capital Investment

On April 26, 2023, we announced a revised capital budget with a range of $180 million to $200 million, which includes growth capital supporting the increased volumes expected from Antero Resources’ drilling partnership in addition to its maintenance capital program for 2023. Our capital budgets may be adjusted as business conditions warrant. Additionally, we monitor our existing assets and look for opportunities to reuse or otherwise repurpose assets in an effort to maintain our capital efficiency.

For the three months ended March 31, 2023, our capital expenditures were $34 million, including $21 million for our gathering systems and facilities and $13 million for our water handling facilities.

Debt Agreements

See Note 7—Long-Term Debt to the unaudited condensed consolidated financial statements and to “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in our 2022 Form 10-K for information on our debt agreements.

Non-GAAP Financial Measures

We use Adjusted EBITDA as an important indicator of our performance. We define Adjusted EBITDA as net income before net interest expense, income tax expense, depreciation, impairment, accretion of asset retirement obligations, equity-based compensation, excluding equity in earnings of unconsolidated affiliates, amortization of customer relationships, loss on early extinguishment of debt, loss on settlement of asset retirement obligations, loss (gain) on asset sale and including distributions from unconsolidated affiliates.

We use Adjusted EBITDA to assess:

● the financial performance of our assets, without regard to financing methods, capital structure or historical cost basis;

● our operating performance and return on capital as compared to other publicly traded companies in the midstream energy sector, without regard to financing or capital structure; and

● the viability of acquisitions and other capital expenditure projects.

Adjusted EBITDA is a non-GAAP financial measure. The GAAP measure most directly comparable to Adjusted EBITDA is net income. The non-GAAP financial measure of Adjusted EBITDA should not be considered as an alternative to the GAAP measure of net income. Adjusted EBITDA presentations are not made in accordance with GAAP and have important limitations as an analytical tool because they include some, but not all, items that affect net income. You should not consider Adjusted EBITDA in isolation or as a substitute for analyses of results as reported under GAAP. Our definition of Adjusted EBITDA may not be comparable to similarly titled measures of other corporations.

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The following table represents a reconciliation of our Adjusted EBITDA to the most directly comparable GAAP financial measure for the periods presented:

	Three Months Ended March 31,
(in thousands)	2022		2023
Net income	$	80,040		86,507
Interest expense, net		44,279		54,624
Income tax expense		28,067		31,670
Depreciation expense		28,300		35,196
Accretion of asset retirement obligations		64		44
Equity-based compensation		2,832		6,327
Amortization of customer relationships		17,668		17,668
Equity in earnings of unconsolidated affiliates		(23,232)		(24,456)
Distributions from unconsolidated affiliates		31,130		34,105
Loss on settlement of asset retirement obligations		—		341
Gain on asset sale		(118)		(245)
Adjusted EBITDA	$	209,030		241,781

Critical Accounting Policies and Estimates

The discussion and analysis of our financial condition and results of operations are based upon our financial statements, which have been prepared in accordance with GAAP. The preparation of our unaudited condensed consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and related disclosure of contingent liabilities. Certain accounting policies involve judgments and uncertainties to such an extent that there is reasonable likelihood that materially different amounts could have been reported under different conditions, or if different assumptions had been used. We evaluate our estimates and assumptions on a regular basis. We base our estimates on historical experience and various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates and assumptions used in preparation of our financial statements. We provide expanded discussion of our more significant accounting policies, estimates and judgments in the 2022 Form 10-K. We believe these accounting policies reflect our more significant estimates and assumptions used in preparation of our financial statements.

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

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

Commodity Price Risk

Our gathering and compression and water services agreements with Antero Resources provide for fixed-fee and cost of service fee structures, and we intend to continue to pursue additional fixed-fee or cost of service fee opportunities with Antero Resources and third parties in order to avoid direct commodity price exposure. However, to the extent that our future contractual arrangements with Antero Resources or third parties do not provide for fixed-fee or cost of service fee structures, we may become subject to commodity price risk. We are subject to commodity price risks to the extent that they impact Antero Resources’ development program and production and therefore our gathering, compression, and water handling volumes. We cannot predict to what extent our business would be impacted by lower commodity prices and any resulting impact on Antero Resources’ operations.

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Interest Rate Risk

Our primary exposure to interest rate risk results from outstanding borrowings under the Credit Facility, which has a floating interest rate. We do not currently, but may in the future, hedge the interest on portions of our borrowings under the Credit Facility from time-to-time in order to manage risks associated with floating interest rates. At March 31, 2023, we had $751 million of borrowings and no letters of credit outstanding under the Credit Facility. A 1.0% increase in the Credit Facility interest rate would have resulted in an estimated $2 million increase in interest expense for the three months ended March 31, 2023.

Credit Risk

We are dependent on Antero Resources as our primary customer, and we expect to derive substantially all of our revenues from Antero Resources for the foreseeable future. As a result, any event, whether in our area of operations or otherwise, that adversely affects Antero Resources’ production, drilling schedule, financial condition, leverage, market reputation, liquidity, results of operations or cash flows may adversely affect our revenues and operating results.

Further, we are subject to the risk of non-payment or non-performance by Antero Resources, including with respect to our gathering and compression and water handling services agreements. We cannot predict the extent to which Antero Resources’ business would be impacted if conditions in the energy industry were to deteriorate, nor can we estimate the impact such conditions would have on Antero Resources’ ability to execute its drilling and development program or to perform under our agreements. Any material non-payment or non-performance by Antero Resources could adversely affect our revenues and operating results and our ability to return capital to stockholders.

Item 4. Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

As required by Rule 13a-15(b) under the Exchange Act, we have evaluated, under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this Quarterly Report on Form 10-Q. Our disclosure controls and procedures are designed to provide reasonable assurance that the information required to be disclosed by us in reports that we file under the Exchange Act is accumulated and communicated to our management, including our principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure and is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC. Based upon that evaluation, our principal executive officer and principal financial officer concluded that our disclosure controls and procedures were effective as of March 31, 2023 at a reasonable assurance level.

Changes in Internal Control Over Financial Reporting

There have been no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the three months ended March 31, 2023 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II—OTHER INFORMATION

Item 1. Legal Proceedings.

Our operations are subject to a variety of risks and disputes normally incident to our business. As a result, we may, at any given time, be a defendant in various legal proceedings and litigation arising in the ordinary course of business.

We maintain insurance policies with insurers in amounts and with coverage and deductibles that we, with the advice of our insurance advisors and brokers, believe are reasonable and prudent. We cannot, however, assure you that this insurance will be adequate to protect us from all material expenses related to potential future claims for personal and property damage or that these levels of insurance will be available in the future at economical prices.

Veolia

The Company is currently involved in a consolidated lawsuit with Veolia Water Technologies, Inc. (“Veolia”) relating to the Clearwater Facility.

On March 13, 2020, Antero Treatment, a wholly owned subsidiary of the Company, filed suit against Veolia in the district court of Denver County, Colorado, asserting claims of fraud, breach of contract and other related claims. Antero Treatment alleges that Veolia failed to meet its contractual obligations to design and build a “turnkey” wastewater disposal facility under a Design/Build Agreement dated August 18, 2015 (the “DBA”), and that Veolia fraudulently concealed certain miscalculations and design flaws during contract negotiations and continued to conceal and fraudulently misrepresent the impact of certain design changes post-execution of the DBA. On March 13, 2020, Veolia filed a separate suit against the Company, Antero Resources, and certain of the Company’s wholly owned subsidiaries (collectively, the “Antero Defendants”) in Denver County, Colorado. In its lawsuit, Veolia asserted breach of contract and equitable claims against the Antero Defendants for alleged failures under the DBA. Veolia’s suit was consolidated into the action filed by Antero Treatment.

Veolia and the Antero Defendants each filed partial motions to dismiss and motions for summary judgment directed at certain claims asserted by the opposing party. A bench trial on the remaining claims was held from January 24 through February 10, 2022 and concluded on February 24, 2022. At trial, Antero Treatment sought damages from Veolia of $450 million, which represents the Company’s out-of-pocket costs associated with the Clearwater Facility project. In the alternative, Antero Treatment sought damages related to multiple breaches of the DBA, totaling $370 million. Also, at trial, Veolia sought monetary damages of $118 million, including alleged delay and extra-contractual costs and a contract balance relating to an allegation that Antero Defendants improperly terminated the DBA.

On January 3, 2023, the Court found that Antero Treatment had prevailed on its claims for breach of contract and fraud, and awarded $242 million in damages to Antero Treatment, plus pre- and post-judgment interest and reasonable costs and attorneys’ fees. The Court also found in Antero Defendants’ favor on all of Veolia’s affirmative claims. On January 27, 2023 the Court entered judgment in favor of Antero Treatment in the amount of $309 million in damages, which includes pre-judgment interest. Antero was also awarded costs and attorneys’ fees, the amount of which will be determined in separate proceedings. On April 10, 2023, the Court issued an order identifying an error in its previously entered judgment and reduced the damages award by $27 million. The Court has not yet entered an amended judgment, which, once entered, will be subject to appeal.

Item 1A. Risk Factors.

We are subject to certain risks and hazards due to the nature of the business activities we conduct. For a discussion of these risks, see “Item 1A. Risk Factors” in the 2022 Form 10-K. There have been no material changes to the risks described in such report. We may experience additional risks and uncertainties not currently known to us. Furthermore, as a result of developments occurring in the future, conditions that we currently deem to be immaterial may also materially and adversely affect us.

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

Issuer Purchases of Equity Securities

The following table sets forth our common stock share purchase activity for each period presented:

					Approximate
				Total Number of	Dollar Value of
	Total Number	Average Price		Shares Purchased	Shares that May
	of Shares	Paid per		as Part of Publicly	Yet be Purchased
Period	Purchased (1)	Share		Announced Plans (2)	Under the Plan
January 1, 2023 – January 31, 2023	79,455	$	11.21	—	$	149,767,409
February 1, 2023 – February 28, 2023	25,654		10.74	—		N/A
March 1, 2023 – March 31, 2023	—		—	—		N/A
Total	105,109	$	11.10	—	$	149,767,409

(1) The total number of shares purchased represents shares of our common stock transferred to us in order to satisfy tax withholding obligations incurred upon the vesting of equity awards held by our employees.

(2) In August 2019, the Board authorized a $300 million share repurchase program, which was extended through June 30, 2023 during the first quarter of 2021. During the three months ended March 31, 2023, we did not make any repurchases under this program.

Item 6. Exhibits

Exhibit Number		Description of Exhibit
3.1		Certificate of Conversion of Antero Midstream Corporation, dated March 12, 2019 (incorporated by reference to Exhibit 3.2 to the Company’s Current Report on Form 8-K (Commission File No. 001-38075) filed on March 12, 2019).
3.2		Certificate of Incorporation of Antero Midstream Corporation, dated March 12, 2019 (incorporated by reference to Exhibit 3.3 to the Company’s Current Report on Form 8-K (Commission File No. 001-38075) filed on March 12, 2019).
3.3		Amended and Restated Bylaws of Antero Midstream Corporation, dated February 14, 2023 (incorporated by reference to Exhibit 3.3 to the Company’s Annual Report on Form 10-K (Commission File No. 001-38075) filed on February 15, 2023).
3.4		Certificate of Designations of Antero Midstream Corporation, dated March 12, 2019 (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K (Commission File No. 001-38075) filed on March 12, 2019).
10.1*	†	Form of Stock Award Grant Notice and Stock Award Agreement (Form for Non-Employee Directors) under the Antero Midstream Corporation Long-Term Incentive Plan.
31.1	*	Certification of the Company’s Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 7241).
31.2	*	Certification of the Company’s Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 7241).
32.1	*	Certification of the Company’s Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350).
32.2	*	Certification of the Company’s Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350).
101	*	The following financial information from this Quarterly Report on Form 10-Q of Antero Midstream Corporation for the quarter ended March 31, 2023, formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) Condensed Consolidated Balance Sheets, (ii) Condensed Consolidated Statements of Operations and Comprehensive Income, (iii) Condensed Consolidated Statements of Stockholders’ Equity, (iv) Condensed Consolidated Statements of Cash Flows, and (v) Notes to the Unaudited Condensed Consolidated Financial Statements, tagged as blocks of text.
104		Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

The exhibits marked with the asterisk symbol (*) are filed or furnished with this Quarterly Report on Form 10-Q.

†Management contract or compensatory plan or arrangement.

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SIGNATURES

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

ANTERO MIDSTREAM CORPORATION
By:	/s/ BRENDAN E. KRUEGER
	Brendan E. Krueger
	Chief Financial Officer, Vice President -Finance and Treasurer
Date:	April 26, 2023

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EX-10

Exhibit 10.1

ANTERO MIDSTREAM CORPORATION

LONG TERM INCENTIVE PLAN

STOCK AWARD GRANT NOTICE

Pursuant to the terms and conditions of the Antero Midstream Corporation Long Term Incentive Plan, as amended from time to time (the “Plan”), Antero Midstream Corporation (the “Company”) hereby grants to the individual listed below (“you” or the “Participant”) a Stock Award of the number of shares of Stock (the “Director Shares”) set forth below.  The Director Shares are subject to the terms and conditions set forth herein and in the Stock Award Agreement attached hereto as Exhibit A (the “Agreement”) and in the Plan, each of which is incorporated herein by reference.  Capitalized terms used but not defined herein shall have the meanings set forth in the Plan.

Participant:	[_________________]
Date of Grant:	[_________________]
Total Number of Shares of Stock:	[______] Shares

You will be deemed to have accepted the Director Shares on the terms and conditions of the Plan, the Agreement and this Stock Award Grant Notice (this “Grant Notice”) unless you provide written notice to the Company within 30 days following the Date of Grant stating that you do not wish to accept the Director Shares.  Any such notice must be sent to: Antero Midstream Corporation, 1615 Wynkoop Street Denver, Colorado 80202, Attention: Chief Administrative Officer and Regional Senior Vice President.  Upon the Company’s receipt of any such notice, the Director Shares granted hereunder will automatically be forfeited and the Company and its Affiliates will not have any further obligations to you under this Grant Notice or the Agreement.

Unless you provide written notice to the Company in the manner described above stating that you do not wish to accept the Director Shares, you will be deemed to have acknowledged that (i) you have reviewed the Agreement, the Plan and this Grant Notice in their entirety and fully understand all provisions of the Agreement, the Plan and this Grant Notice and (ii) you agree to accept as binding, conclusive and final all decisions or interpretations of the Committee regarding any questions or determinations arising under the Agreement, the Plan or this Grant Notice.

[Remainder of Page Intentionally Blank;

Signature Page Follows]

IN WITNESS WHEREOF, the Company has caused this Grant Notice to be executed by an officer thereunto duly authorized, effective for all purposes as provided above.

ANTERO MIDSTREAM CORPORATION

By: ​ ​

Yvette K. Schultz

Chief Compliance Officer, Senior Vice President—Legal, General Counsel and Corporate Secretary

Signature Page to

Stock Award Grant Notice

EXHIBIT A

STOCK AWARD AGREEMENT

This Stock Award Agreement (this “Agreement”) is made as of the Date of Grant set forth in the Grant Notice to which this Agreement is attached (the “Date of Grant”) by and between Antero Midstream Corporation, a Delaware corporation (the “Company”), and [___________] (“Director”).   Capitalized terms used but not specifically defined herein shall have the meanings specified in the Plan or the Grant Notice.

1.Award.  In consideration of Director’s past and/or continued service as a member of the Board and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, effective as of the Date of Grant, the Company hereby grants to Director a Stock Award of the number of shares of Stock set forth in the Grant Notice (the “Director Shares”) on the terms and conditions set forth in the Grant Notice, this Agreement and the Plan, which is incorporated herein by reference as a part of this Agreement.  In the event of any inconsistency between the Plan and this Agreement, the terms of the Plan shall control.

2.Issuance Mechanics.  The Director Shares shall be issued in the form of shares of Stock to Director.  The Company shall (a) cause a stock certificate or certificates representing such shares of Stock to be registered in the name of Director, or (b) cause such shares of Stock to be held in book-entry form.  For the avoidance of doubt, Director shall not pay the Company any purchase price for the Director Shares.

3.Rights as Stockholder.  Except as otherwise provided herein, upon issuance of the Director Shares by the Company, Director shall have all the rights of a stockholder of the Company with respect to such Director Shares subject to the restrictions herein, including the right to vote the Shares.

4.Tax Withholding.  To the extent that the receipt of the Director Shares results in compensation income or wages to Director for federal, state, local or foreign tax purposes, Director shall deliver to the Company or to any Affiliate nominated by the Company at the time of such receipt, as the case may be, such amount of money or, if permitted by the Committee in its sole discretion, shares of Stock as the Company or any Affiliate nominated by the Company may require to meet its obligations under applicable tax or social security laws or regulations, and if Director fails to do so, the Company and its Affiliates are authorized to withhold, or cause to be withheld, from any cash or stock remuneration (including withholding any shares of Stock otherwise deliverable to Director under this Agreement) then or thereafter payable to Director in an amount equal to any tax or social security required to be withheld by reason of such resulting compensation income or wages, and to take such other action as may be necessary in the opinion of the Company to satisfy such withholding obligation.  If such tax obligations are satisfied through the withholding of shares of Stock that are otherwise issuable to Director pursuant to this Agreement (or through the surrender of shares of Stock by Director to the Company), the maximum number of shares of Stock that may be so withheld (or surrendered) by the Company or its Affiliate shall be the number of shares of Stock that have an aggregate Fair Market Value on the date of withholding or repurchase equal to the aggregate amount of such tax liabilities, determined based on the greatest withholding rates for federal, state, foreign, and/or local tax purposes, including payroll taxes, that may be utilized without creating adverse accounting treatment with respect to this Agreement, as determined by the Committee.  Director acknowledges and agrees that none of the Board, the Committee, the Company or any of its Affiliates have made any representation or warranty as to the tax consequences to Director as a result of the receipt of the Director Shares.  Director represents that Director is in no manner relying on the Board, the Committee, the Company or any of its Affiliates or any of their respective managers, directors, officers, employees or authorized representatives (including, without limitation, attorneys, accountants, consultants, bankers, lenders, prospective lenders and financial representatives) for tax advice or an assessment of such tax consequences.  Director represents that he has consulted with any tax consultants that Director deems advisable in connection with the Director Shares.

Exhibit A-1

5.Membership on the Board.  Nothing in the adoption of the Plan, nor the grant of the Director Shares, shall confer upon Director the right to continued membership on the Board or affect in any way the right of the Company to terminate such membership at any time.  Any question as to whether and when there has been a termination of Director’s membership on the Board, and the cause of such termination, shall be determined by the Board or its delegate, and its determination shall be final.

6.Compliance with Securities Law.  Notwithstanding any provision of this Agreement to the contrary, the issuance of Stock hereunder will be subject to compliance with all applicable requirements of applicable law with respect to such securities and with the requirements of any securities exchange or market system upon which the Stock may then be listed.  No Stock will be issued hereunder if such issuance would constitute a violation of any applicable law or regulation or the requirements of any securities exchange or market system upon which the Stock may then be listed.  In addition, Stock will not be issued hereunder unless (a) a registration statement under the Securities Act is in effect at the time of such issuance with respect to the Stock to be issued or (b) in the opinion of legal counsel to the Company, the Stock to be issued are permitted to be issued in accordance with the terms of an applicable exemption from the registration requirements of the Securities Act.  The inability of the Company to obtain from any regulatory body having jurisdiction the authority, if any, deemed by the Company’s legal counsel to be necessary for the lawful issuance and sale of any Stock hereunder will relieve the Company of any liability in respect of the failure to issue such Stock as to which such requisite authority has not been obtained.  As a condition to any issuance of Stock hereunder, the Company may require Director to satisfy any requirements that may be necessary or appropriate to evidence compliance with any applicable law or regulation and to make any representation or warranty with respect to such compliance as may be requested by the Company.

7.No Right to Continued Awards.  The grant of the Director Shares is a one-time award and does not create any contractual or other right to receive a grant of awards or benefits in lieu of awards in the future. Future awards will be at the sole discretion of the Committee.

8.Notices.  Any notices or other communications provided for in this Agreement shall be sufficient if in writing.  In the case of Director, such notices or communications shall be effectively delivered if hand delivered to Director at Director’s principal residence or if sent by registered or certified mail to Director at the last address Director has filed with the Company.  In the case of the Company, such notices or communications shall be effectively delivered if sent by registered or certified mail to the Company at its principal executive offices.

9.Agreement to Furnish Information.  Director agrees to furnish to the Company all information requested by the Company to enable the Company or any of its Affiliates to comply with any reporting or other requirement imposed upon the Company or any of its Affiliates by or under any applicable statute or regulation.

10.Entire Agreement; Amendment.  This Agreement constitutes the entire agreement of the parties with regard to the subject matter hereof, and contains all the covenants, promises, representations, warranties and agreements between the parties with respect to the Director Shares granted hereby.  Without limiting the scope of the preceding sentence, except as provided therein, all prior understandings and agreements, if any, among the parties hereto relating to the subject matter hereof are hereby null and void and of no further force and effect.  The Committee may, in its sole discretion, amend this Agreement from time to time in any manner that is not inconsistent with the Plan; provided, however, that except as otherwise provided in the Plan or this Agreement, any such amendment that materially reduces the rights of Director shall be effective only if it is in writing and signed by both Director and an authorized officer of the Company.

11.Governing Law.  This Agreement shall be governed by, and construed in accordance with, the laws of the State of Delaware, without regard to conflicts of law principles thereof.

12.Successors and Assigns.  The Company may assign any of its rights under this Agreement without Director’s consent.  This Agreement will be binding upon and inure to the benefit of the successors and assigns of the Company.  Subject to the restrictions on transfer set forth in the Plan, this Agreement will be binding upon Director and Director's beneficiaries, executors, administrators and the person(s) to whom the Director Shares may be transferred by will or the laws of descent or distribution.

Exhibit A-2

13.Clawback.  Notwithstanding any provision in this Agreement, the Grant Notice or the Plan to the contrary, to the extent required by (a) applicable law, including, without limitation, the requirements of the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, any SEC rule or any applicable securities exchange listing standards and/or (b) any policy that may be adopted or amended by the Board from time to time, all shares of Stock issued hereunder shall be subject to forfeiture, repurchase, recoupment and/or cancellation to the extent necessary to comply with such law(s) and/or policy.  

14.Severability.  If a court of competent jurisdiction determines that any provision of this Agreement is invalid or unenforceable, then the invalidity or unenforceability of such provision shall not affect the validity or enforceability of any other provision of this Agreement, and all other provisions shall remain in full force and effect.

[Remainder of Page Intentionally Blank]

Exhibit A-3

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO RULE 13A-14(A) AND RULE 15D-14(A)

OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

I, Paul M. Rady, President and Chief Executive Officer of Antero Midstream Corporation, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2023 of Antero Midstream Corporation (the “registrant”);

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

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

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

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

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

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

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

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

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

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

Date: April 26, 2023

/s/ Paul M. Rady

Paul M. Rady

President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO RULE 13A-14(A) AND RULE 15D-14(A)

OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

I, Brendan E. Krueger, Chief Financial Officer, Vice President – Finance and Treasurer of Antero Midstream Corporation, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2023 of Antero Midstream Corporation (the “registrant”);

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

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

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

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

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

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

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

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

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

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

Date: April 26, 2023

/s/ Brendan E. Krueger

Brendan E. Krueger

Chief Financial Officer, Vice President – Finance and Treasurer

EX-32.1

Exhibit 32.1

CERTIFICATION OF

CHIEF EXECUTIVE OFFICER

OF ANTERO MIDSTREAM CORPORATION

PURSUANT TO 18 U.S.C. SECTION 1350

In connection with this Quarterly Report on Form 10-Q of Antero Midstream Corporation for the quarter ended March 31, 2023, I, Paul M. Rady, President and Chief Executive Officer of Antero Midstream Corporation, hereby certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

1. This Quarterly Report on Form 10-Q for the quarter ended March 31, 2023 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 this Quarterly Report on Form 10-Q for the quarter ended March 31, 2023 fairly presents, in all material respects, the financial condition and results of operations of Antero Midstream Corporation for the periods presented therein.

Date: April 26, 2023

/s/ Paul M. Rady

Paul M. Rady

President and Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION OF

CHIEF FINANCIAL OFFICER

OF ANTERO MIDSTREAM CORPORATION

PURSUANT TO 18 U.S.C. SECTION 1350

In connection with this Quarterly Report on Form 10-Q of Antero Midstream Corporation for the quarter ended March 31, 2023, I, Brendan E. Krueger, Chief Financial Officer, Vice President – Finance and Treasurer of Antero Midstream Corporation, hereby certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

1. This Quarterly Report on Form 10-Q for the quarter ended March 31, 2023 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 this Quarterly Report on Form 10-Q for the quarter ended March 31, 2023 fairly presents, in all material respects, the financial condition and results of operations of Antero Midstream Corporation for the periods presented therein.

Date: April 26, 2023

/s/ Brendan E. Krueger

Brendan E. Krueger

Chief Financial Officer, Vice President – Finance and Treasurer

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2023	Apr. 21, 2023
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	001-38075
Entity Registrant Name	ANTERO MIDSTREAM CORPORATION
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	61-1748605
Entity Address, Address Line One	1615 Wynkoop Street
Entity Address, City or Town	Denver
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80202
City Area Code	303
Local Phone Number	357-7310
Title of 12(b) Security	Common Stock, par value $0.01
Trading Symbol	AM
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		479,656,189
Entity Central Index Key	0001623925
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Amendment Flag	false

XML

Condensed Consolidated Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Accounts receivable - Antero Resources	$ 95,359	$ 86,152
Accounts receivable - third party	371	575
Income tax receivable	940	940
Other current assets	1,744	1,326
Total current assets	98,414	88,993
Property and equipment, net	3,749,220	3,751,431
Investments in unconsolidated affiliates	643,118	652,767
Customer relationships	1,268,435	1,286,103
Other assets, net	11,340	12,026
Total assets	5,770,527	5,791,320
Current liabilities:
Accounts payable - Antero Resources	4,776	5,436
Accounts payable - third party	21,012	22,865
Accrued liabilities	69,366	72,715
Other current liabilities	1,065	1,061
Total current liabilities	96,219	102,077
Long-term liabilities:
Long-term debt	3,331,320	3,361,282
Deferred income tax liability	162,885	131,215
Other	4,619	4,428
Total liabilities	3,595,043	3,599,002
Stockholders' Equity:
Preferred stock
Common stock, $0.01 par value; 2,000,000 authorized; 478,497 and 478,645 issued and outstanding as of December 31, 2022 and March 31, 2023, respectively	4,786	4,785
Additional paid-in capital	2,084,191	2,104,740
Retained earnings	86,507	82,793
Total stockholders' equity	2,175,484	2,192,318
Total liabilities and stockholders' equity	5,770,527	5,791,320
Series A Preferred Stock
Stockholders' Equity:
Preferred stock

XML

Condensed Consolidated Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2023	Dec. 31, 2022
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized shares	100,000,000	100,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	2,000,000,000	2,000,000,000
Common stock, shares issued	478,645,000	478,497,000
Common stock, shares outstanding	478,645,000	478,497,000
Series A Preferred Stock
Preferred stock, authorized shares	12,000	12,000
Preferred stock, shares issued	10,000	10,000
Preferred stock, shares outstanding	10,000	10,000

XML

Condensed Consolidated Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Amortization of customer relationships	$ (17,668)	$ (17,668)
Total revenue	259,475	218,491
Operating expenses:
Direct operating	57,873	42,012
General and administrative (including $2,832 and $6,327 of equity-based compensation in 2022 and 2023, respectively)	17,347	17,931
Facility idling	574	1,148
Depreciation	35,196	28,300
Accretion of asset retirement obligations	44	64
Loss on settlement of asset retirement obligations	341
Gain on asset sale	(245)	(118)
Total operating expenses	111,130	89,337
Operating income	148,345	129,154
Other income (expense):
Interest expense, net	(54,624)	(44,279)
Equity in earnings of unconsolidated affiliates	24,456	23,232
Total other expense	(30,168)	(21,047)
Income before income taxes	118,177	108,107
Income tax benefit	(31,670)	(28,067)
Net income and comprehensive income	$ 86,507	$ 80,040
Net income per share-basic (in dollars per share)	$ 0.18	$ 0.17
Net income per share-diluted (in dollars per share)	$ 0.18	$ 0.17
Weighted average common shares outstanding:
Basic (in shares)	478,612	477,646
Diluted (in shares)	481,459	480,173
Natural Gas, Gathering, Transportation, Marketing and Processing - Affiliate
Revenue:
Total operating revenues	$ 199,576	$ 182,443
Natural Gas Water Handling and Treatment - Affiliate
Revenue:
Total operating revenues	77,295	53,321
Natural Gas Water Handling and Treatment
Revenue:
Total operating revenues	$ 272	$ 395

XML

Condensed Consolidated Consolidated Statements of Operations and Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Condensed Consolidated Consolidated Statements of Operations and Comprehensive Income
Equity-based compensation	$ 6,327	$ 2,832

XML

Condensed Consolidated Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Total
Balance at Dec. 31, 2021	$ 4,775	$ 2,414,398	$ (132,475)	$ 2,286,698
Balance (shares) at Dec. 31, 2021	477,495
Dividends to stockholders		(108,287)		(108,287)
Equity-based compensation		2,832		2,832
Issuance of common stock upon vesting of equity-based compensation awards, net of common stock withheld for income taxes	$ 2	(1,331)		(1,329)
Issuance of common stock upon vesting of equity-based compensation awards, net of common stock withheld for income taxes (in shares)	188
Net income and comprehensive income			80,040	80,040
Balance at Mar. 31, 2022	$ 4,777	2,307,612	(52,435)	2,259,954
Balance (shares) at Mar. 31, 2022	477,683
Balance at Dec. 31, 2022	$ 4,785	2,104,740	82,793	$ 2,192,318
Balance (shares) at Dec. 31, 2022	478,497			478,497
Dividends to stockholders		(25,709)	(82,793)	$ (108,502)
Equity-based compensation		6,327		6,327
Issuance of common stock upon vesting of equity-based compensation awards, net of common stock withheld for income taxes	$ 1	(1,167)		(1,166)
Issuance of common stock upon vesting of equity-based compensation awards, net of common stock withheld for income taxes (in shares)	148
Net income and comprehensive income			86,507	86,507
Balance at Mar. 31, 2023	$ 4,786	$ 2,084,191	$ 86,507	$ 2,175,484
Balance (shares) at Mar. 31, 2023	478,645			478,645

XML

Condensed Consolidated Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows provided by (used in) operating activities:
Net income	$ 86,507	$ 80,040
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	35,196	28,300
Accretion of asset retirement obligations	44	64
Deferred income tax expense	31,670	28,067
Equity-based compensation	6,327	2,832
Equity in earnings of unconsolidated affiliates	(24,456)	(23,232)
Distributions from unconsolidated affiliates	34,105	31,130
Amortization of customer relationships	17,668	17,668
Amortization of deferred financing costs	1,474	1,410
Settlement of asset retirement obligations	(158)	(455)
Loss on settlement of asset retirement obligations	341
Gain on asset sale	(245)	(118)
Changes in assets and liabilities:
Accounts receivable-Antero Resources	(9,207)	3,054
Accounts receivable-third party	431	460
Other current assets	(520)	118
Accounts payable-Antero Resources	(660)	230
Accounts payable-third party	2,061	13,762
Accrued liabilities	2,141	1,334
Net cash provided by operating activities	182,719	184,664
Cash flows provided by (used in) investing activities:
Acquisition of gathering systems and facilities	(263)
Cash received in asset sale	1,071	121
Change in other assets	(2)
Net cash used in investing activities	(42,151)	(84,146)
Cash flows provided by (used in) financing activities:
Dividends to common stockholders	(108,364)	(108,149)
Dividends to preferred stockholders	(138)	(138)
Payments of deferred financing costs		(302)
Borrowings (repayments) on bank credit facilities, net	(30,900)	9,400
Employee tax withholding for settlement of equity compensation awards	(1,166)	(1,329)
Net cash used in financing activities	(140,568)	(100,518)
Net decrease in cash and cash equivalents
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	50,340	40,677
Increase (decrease) in accrued capital expenditures and accounts payable for property and equipment	(9,354)	10,388
Gathering systems and facilities
Cash flows provided by (used in) investing activities:
Additions	(29,197)	(70,734)
Water handling systems
Cash flows provided by (used in) investing activities:
Additions	$ (13,760)	$ (13,533)

XML

Organization

3 Months Ended

Mar. 31, 2023

Organization

Organization

(1) Organization

Antero Midstream Corporation together with its consolidated subsidiaries (the “Company” or “Antero Midstream”) is a growth-oriented midstream company formed to own, operate and develop midstream energy infrastructure primarily to service Antero Resources and its production and completion activity in the Appalachian Basin. The Company’s assets consist of gathering pipelines, compressor stations, interests in processing and fractionation plants and water handling assets. Antero Midstream provides midstream services to Antero Resources under long-term contracts. The Company’s corporate headquarters is located in Denver, Colorado.

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Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2023

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

(2) Summary of Significant Accounting Policies

(a) Basis of Presentation

These unaudited condensed consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”) applicable to interim financial information and should be read in the context of the Company’s December 31, 2022 consolidated financial statements and notes thereto for a more complete understanding of the Company’s operations, financial position, and accounting policies. The Company’s December 31, 2022 consolidated financial statements were included in the Company’s 2022 Annual Report on Form 10-K, which was filed with the SEC.

These unaudited condensed consolidated financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information, and, accordingly, do not include all of the information and footnotes required by GAAP for complete consolidated financial statements. In the opinion of management, these unaudited condensed consolidated financial statements include all adjustments (consisting of normal and recurring accruals) considered necessary to present fairly the Company’s financial position as of December 31, 2022 and March 31, 2023, and the results of the Company’s operations and cash flows for the three months ended March 31, 2022 and 2023. The Company has no items of other comprehensive income; therefore, net income is equal to comprehensive income.

Certain costs of doing business incurred and charged to the Company by Antero Resources have been reflected in the accompanying unaudited condensed consolidated financial statements. These costs include general and administrative expenses provided to the Company by Antero Resources in exchange for:

● business services, such as payroll, accounts payable and facilities management;

● corporate services, such as finance and accounting, legal, human resources, investor relations and public and regulatory policy; and

● employee compensation, including equity-based compensation.

Transactions between the Company and Antero Resources have been identified in the unaudited condensed consolidated financial statements (see Note 4—Transactions with Affiliates).

(b) Principles of Consolidation

The accompanying unaudited condensed consolidated financial statements include the accounts of Antero Midstream Corporation and its consolidated subsidiaries. All significant intercompany accounts and transactions have been eliminated in the Company’s unaudited condensed consolidated financial statements.

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Intangibles

3 Months Ended

Mar. 31, 2023

Intangibles

Intangibles

(3) Intangibles

All customer relationships are subject to amortization and are amortized over a weighted average period of 19 years, which reflects the remaining economic life of the relationships as of March 31, 2023. The changes in the carrying amount of customer relationships were as follows (in thousands):

Customer relationships as of December 31, 2022		1,286,103
Amortization of customer relationships		(17,668)
Customer relationships as of March 31, 2023	$	1,268,435

Future amortization expense is as follows (in thousands):

Remainder of year ending December 31, 2023	$	53,004
Year ending December 31, 2024		70,672
Year ending December 31, 2025		70,672
Year ending December 31, 2026		70,672
Year ending December 31, 2027		70,672
Thereafter		932,743
Total	$	1,268,435

XML

Transactions with Affiliates

3 Months Ended

Mar. 31, 2023

Transactions with Affiliates

Transactions with Affiliates

(4) Transactions with Affiliates

(a) Revenues

Substantially all revenues earned in the three months ended March 31, 2022 and 2023 were earned from Antero Resources, under various agreements for gathering and compression and water handling services. Revenues earned from gathering and compression services consists of lease income.

(b) Accounts receivable—Antero Resources and Accounts payable—Antero Resources

Accounts receivable—Antero Resources represents amounts due from Antero Resources, primarily related to gathering and compression services and water handling services. Accounts payable—Antero Resources represents amounts due to Antero Resources for general and administrative and other costs.

(c) Allocation of Costs Charged by Antero Resources

The employees supporting the Company’s operations are concurrently employed by Antero Resources and the Company.  Direct operating expense includes costs charged to the Company of $3 million and $4 million during the three months ended March 31, 2022 and 2023, respectively. These costs were for services provided by employees associated with the operation of the Company’s gathering lines, compressor stations and water handling assets.  General and administrative expense includes costs charged to the Company by Antero Resources of $9 million and $8 million during the three months ended March 31, 2022 and 2023, respectively.  These costs relate to (i) various business services, including payroll processing, accounts payable processing and facilities management, (ii) various corporate services, including legal, accounting, treasury, information technology and human resources and (iii) compensation, including certain equity-based compensation.  These expenses are charged to the Company based on the nature of the expenses and are apportioned based on a combination of the Company’s proportionate share of gross property and equipment, capital expenditures and labor costs, as applicable.  The Company reimburses Antero Resources directly for all general and administrative costs charged to it, except costs attributable to noncash equity-based compensation.  For further information on equity-based compensation, see Note 9—Equity-Based Compensation and Cash Awards.

XML

Revenue

3 Months Ended

Mar. 31, 2023

Revenue

Revenue

(5) Revenue

All of the Company’s gathering and compression revenues are derived from operating lease agreements, and all of the Company’s water handling revenues are derived from service contracts with customers. The Company currently earns substantially all of its revenues from Antero Resources.

(a) Gathering and Compression

The Company’s gathering and compression service agreements with Antero Resources include: (i) the second amended and restated gathering and compression agreement dated December 8, 2019 (the “2019 gathering and compression agreement”), (ii) the gathering and compression agreements acquired with the Crestwood Equity Partners LP (NYSE: CEQP) (“Crestwood”) assets (the “Marcellus gathering and compression agreements”) and (iii) a compression agreement acquired with the EnLink Midstream LLC (NYSE: ENLC) (“EnLink”) assets (the “Utica compression agreement,” and together with the 2019 gathering and compression agreement and the Marcellus gathering and compression agreements, the “gathering and compression agreements”). See Note 6—Property and Equipment for additional information. The 2019 gathering and compression agreement has an initial term through 2038, the Marcellus gathering and compression agreements expire between 2023 and 2031, and the Utica compression agreement has two dedicated areas that expire in 2024 and 2030. Upon expiration of each of the Marcellus gathering and compression service agreements and the Utica compression agreement, the Company will continue to provide gathering and compression services under the 2019 gathering and compression agreement. Pursuant to the gathering and compression agreements, Antero Resources has dedicated substantially all of its current and future acreage in West Virginia, Ohio and Pennsylvania to the Company for gathering and compression services. The Company also has an option to gather and compress natural gas produced by Antero Resources on any additional acreage it acquires during the term of the 2019 gathering and compression agreement outside of West Virginia, Ohio and Pennsylvania on the same terms and conditions as the 2019 gathering and compression agreement.

The 2019 gathering and compression agreement includes a growth incentive fee program whereby low pressure gathering fees will be reduced from 2020 through 2023 to the extent Antero Resources achieves certain quarterly volumetric targets during such time. Antero Resources’ throughput gathered under the Marcellus gathering and compression agreements is not considered in low pressure gathering volume targets. For the three months ended March 31, 2022 and 2023, Antero Resources earned rebates of $12 million from the Company by achieving the first level volumetric target during each of the first quarters of 2022 and 2023. Upon completion of the initial contract term in 2038, the 2019 gathering and compression agreement will continue in effect from year to year until such time as the agreement is terminated, effective upon an anniversary of the effective date of the agreement, by either the Company or Antero Resources on or before the 180th day prior to the anniversary of such effective date.

Under the gathering and compression agreements, the Company receives, where applicable, a low pressure gathering fee, a high pressure gathering fee and a compression fee, substantially all of which are subject to annual Consumer Price Index (“CPI”)-based adjustments (or, in the case of the 2019 gathering and compression agreement, the option in certain cases to elect a cost of service fee when such assets are placed in-service). In addition, under the 2019 gathering and compression agreement, the Company receives a reimbursement for certain variable costs, such as electricity and operating expenses.

The Company determined that its gathering and compression agreements are operating leases as Antero Resources obtains substantially all of the economic benefit of the assets and has the right to direct the use of the assets. Each gathering and compression system is an identifiable asset, and consists of a network of assets that may include underground low pressure pipelines that connect and deliver gas from specific well pads to compressor stations to compress the gas before delivery to underground high pressure pipelines that transport the gas to a third-party pipeline, third-party processing plant or a Joint Venture processing plant. Each compression system is an identifiable asset, and consists of a network of assets that include compressor stations that connect to underground high pressure pipelines that transport the gas to a third-party pipeline, third-party processing plant or a Joint Venture processing plant. Each set of assets in an agreement are considered to be a single lease due to the interrelated network of the assets required to provide services under each respective agreement. When a modification to an agreement occurs, the Company reassesses the classification of the lease. The Company accounts for its lease and non-lease components as a single lease component as the lease component is the predominant component. The non-lease components consist of operating, oversight and maintenance of the gathering systems, which are performed on time-elapsed measures.

The 2019 gathering and compression agreement and certain of the Marcellus gathering and compression agreements include fixed fee provisions. If and to the extent Antero Resources requests that the Company construct new low pressure lines, high pressure lines and/or compressor stations, the 2019 gathering and compression agreement contains options at the Company’s election for either (i) minimum volume commitments that require Antero Resources to utilize or pay for 75% of the high pressure gathering capacity and 70% of the compression capacity of such new construction for 10 years or (ii) a cost of service fee that allows the Company to earn a 13% rate of return on such new construction over seven years, which election is made individually for each piece of equipment placed in service. In addition, certain of the Marcellus gathering and compression agreements provide for a minimum volume commitment that requires Antero Resources to utilize or pay for 25% of the capacity of new compressor station construction for 10 years. All lease payments under the minimum volume commitments and cost of service fees are considered to be in-substance fixed lease payments under the gathering and compression agreements.

The Company recognizes lease income from its minimum volume commitments and cost of service fees under its gathering and compression agreements on a straight-line basis. Additional variable operating lease income is earned when volumes in excess of the minimum commitments are delivered under the contract. The Company recognizes variable lease income when low pressure volumes are delivered to a compressor station, compression volumes are delivered to a high pressure line and high pressure volumes are delivered to a processing plant or transmission pipeline, as applicable. Minimum volume commitments are aggregated such that there is a single minimum volume commitment for the respective service each year for each agreement. The Company invoices the customer the month after each service is performed, and payment is due in the same month. The Company is not party to any leases that have not commenced.

Minimum future lease cash flows to be received by the Company under the gathering and compression agreements as of March 31, 2023 are as follows (in thousands):

Remainder of year ending December 31, 2023	$	232,582
Year ending December 31, 2024		316,492
Year ending December 31, 2025		298,143
Year ending December 31, 2026		284,327
Year ending December 31, 2027		224,150
Thereafter		382,434
Total	$	1,738,128

(b) Water Handling

The Company is party to a water services agreement with Antero Resources, whereby the Company provides certain water handling services to Antero Resources within an area of dedication in defined service areas in West Virginia and Ohio. The initial term of the water services agreement runs to 2035. Upon completion of the initial term in 2035, the water services agreement will continue in effect from year to year until such time as the agreement is terminated, effective upon an anniversary of the effective date of the agreement, by either the Company or Antero Resources on or before the 180^th day prior to the anniversary of such effective date. Under the agreement, the Company receives a fixed fee for fresh water deliveries by pipeline directly to the well site, subject to annual CPI-based adjustments. In addition, the Company also provides other fluid handling services. These operations, along with the Company’s fresh water delivery systems, support well completion and production operations for Antero Resources. These services are provided by the Company directly or through third-parties with which the Company contracts. For these other fluid handling services provided by third-parties, Antero Resources reimburses the Company’s third-party out-of-pocket costs plus 3%. For these other fluid handling services provided by the Company, the Company charges Antero Resources a cost of service fee.

The Company satisfies its performance obligations and recognizes revenue when (i) the fresh water volumes have been delivered to the hydration unit of a specified well pad or (ii) other fluid handling services have been completed. The Company invoices the customer the month after water services are performed, and payment is due in the same month. For services contracted through third-party providers, the Company’s performance obligation is satisfied when the service to be performed by the third-party provider has been completed. The Company invoices the customer after the third-party provider billing is received, and payment is due in the same month.

Transaction Price Allocated to Remaining Performance Obligations

The Company’s water service agreement with Antero Resources has a term greater than one year. The Company is not required to disclose the transaction price allocated to remaining performance obligations if the variable consideration is allocated entirely to a wholly unsatisfied performance obligation. Under this contract, each unit of product delivered to the customer represents a separate performance obligation; therefore, future volumes are wholly unsatisfied and disclosure of the transaction price allocated to remaining performance obligations is not required.

The Company also performs water services for third-party customers and such contracts are short-term in nature with a contract term of one year or less. Accordingly, the Company is exempt from disclosure of the transaction price allocated to remaining performance obligations if the performance obligation is part of a contract that has an original expected duration of one year or less.

Contract Balances

Under the Company’s water service contracts, the Company invoices customers after the performance obligations have been satisfied, at which point payment is unconditional. Accordingly, the Company’s water service contracts do not give rise to contract assets or liabilities.

(c) Disaggregation of Revenue

In the following table, revenue is disaggregated by type of service and type of fee and is identified by the reportable segment to which such revenues relate. For more information on reportable segments, see Note 15—Reportable Segments.

	Three Months Ended March 31,
(in thousands)	2022		2023		Reportable Segment
Type of service
Gathering—low pressure	$	89,437		99,637	Gathering and Processing (1)
Gathering—low pressure fee rebate		(12,000)		(12,000)	Gathering and Processing (1)
Compression		51,612		58,390	Gathering and Processing (1)
Gathering—high pressure		53,394		53,549	Gathering and Processing (1)
Fresh water delivery		32,044		46,826	Water Handling
Other fluid handling		21,672		30,741	Water Handling
Amortization of customer relationships		(9,271)		(9,271)	Gathering and Processing
Amortization of customer relationships		(8,397)		(8,397)	Water Handling
Total	$	218,491		259,475
Type of contract
Per Unit Fixed Fee	$	194,443		211,576	Gathering and Processing (1)
Gathering—low pressure fee rebate		(12,000)		(12,000)	Gathering and Processing (1)
Per Unit Fixed Fee		32,439		47,099	Water Handling
Cost plus 3%		15,638		24,445	Water Handling
Cost of service fee		5,639		6,023	Water Handling
Amortization of customer relationships		(9,271)		(9,271)	Gathering and Processing
Amortization of customer relationships		(8,397)		(8,397)	Water Handling
Total	$	218,491		259,475

(1) Revenue related to the gathering and processing segment is classified as lease income related to the gathering and compression systems.

The Company’s receivables from its contracts with customers and operating leases as of December 31, 2022 and March 31, 2023, were $86 million and $95 million, respectively.

Lessor, Operating Leases

(5) Revenue

All of the Company’s gathering and compression revenues are derived from operating lease agreements, and all of the Company’s water handling revenues are derived from service contracts with customers. The Company currently earns substantially all of its revenues from Antero Resources.

(a) Gathering and Compression

The Company’s gathering and compression service agreements with Antero Resources include: (i) the second amended and restated gathering and compression agreement dated December 8, 2019 (the “2019 gathering and compression agreement”), (ii) the gathering and compression agreements acquired with the Crestwood Equity Partners LP (NYSE: CEQP) (“Crestwood”) assets (the “Marcellus gathering and compression agreements”) and (iii) a compression agreement acquired with the EnLink Midstream LLC (NYSE: ENLC) (“EnLink”) assets (the “Utica compression agreement,” and together with the 2019 gathering and compression agreement and the Marcellus gathering and compression agreements, the “gathering and compression agreements”). See Note 6—Property and Equipment for additional information. The 2019 gathering and compression agreement has an initial term through 2038, the Marcellus gathering and compression agreements expire between 2023 and 2031, and the Utica compression agreement has two dedicated areas that expire in 2024 and 2030. Upon expiration of each of the Marcellus gathering and compression service agreements and the Utica compression agreement, the Company will continue to provide gathering and compression services under the 2019 gathering and compression agreement. Pursuant to the gathering and compression agreements, Antero Resources has dedicated substantially all of its current and future acreage in West Virginia, Ohio and Pennsylvania to the Company for gathering and compression services. The Company also has an option to gather and compress natural gas produced by Antero Resources on any additional acreage it acquires during the term of the 2019 gathering and compression agreement outside of West Virginia, Ohio and Pennsylvania on the same terms and conditions as the 2019 gathering and compression agreement.

The 2019 gathering and compression agreement includes a growth incentive fee program whereby low pressure gathering fees will be reduced from 2020 through 2023 to the extent Antero Resources achieves certain quarterly volumetric targets during such time. Antero Resources’ throughput gathered under the Marcellus gathering and compression agreements is not considered in low pressure gathering volume targets. For the three months ended March 31, 2022 and 2023, Antero Resources earned rebates of $12 million from the Company by achieving the first level volumetric target during each of the first quarters of 2022 and 2023. Upon completion of the initial contract term in 2038, the 2019 gathering and compression agreement will continue in effect from year to year until such time as the agreement is terminated, effective upon an anniversary of the effective date of the agreement, by either the Company or Antero Resources on or before the 180th day prior to the anniversary of such effective date.

Under the gathering and compression agreements, the Company receives, where applicable, a low pressure gathering fee, a high pressure gathering fee and a compression fee, substantially all of which are subject to annual Consumer Price Index (“CPI”)-based adjustments (or, in the case of the 2019 gathering and compression agreement, the option in certain cases to elect a cost of service fee when such assets are placed in-service). In addition, under the 2019 gathering and compression agreement, the Company receives a reimbursement for certain variable costs, such as electricity and operating expenses.

The Company determined that its gathering and compression agreements are operating leases as Antero Resources obtains substantially all of the economic benefit of the assets and has the right to direct the use of the assets. Each gathering and compression system is an identifiable asset, and consists of a network of assets that may include underground low pressure pipelines that connect and deliver gas from specific well pads to compressor stations to compress the gas before delivery to underground high pressure pipelines that transport the gas to a third-party pipeline, third-party processing plant or a Joint Venture processing plant. Each compression system is an identifiable asset, and consists of a network of assets that include compressor stations that connect to underground high pressure pipelines that transport the gas to a third-party pipeline, third-party processing plant or a Joint Venture processing plant. Each set of assets in an agreement are considered to be a single lease due to the interrelated network of the assets required to provide services under each respective agreement. When a modification to an agreement occurs, the Company reassesses the classification of the lease. The Company accounts for its lease and non-lease components as a single lease component as the lease component is the predominant component. The non-lease components consist of operating, oversight and maintenance of the gathering systems, which are performed on time-elapsed measures.

The 2019 gathering and compression agreement and certain of the Marcellus gathering and compression agreements include fixed fee provisions. If and to the extent Antero Resources requests that the Company construct new low pressure lines, high pressure lines and/or compressor stations, the 2019 gathering and compression agreement contains options at the Company’s election for either (i) minimum volume commitments that require Antero Resources to utilize or pay for 75% of the high pressure gathering capacity and 70% of the compression capacity of such new construction for 10 years or (ii) a cost of service fee that allows the Company to earn a 13% rate of return on such new construction over seven years, which election is made individually for each piece of equipment placed in service. In addition, certain of the Marcellus gathering and compression agreements provide for a minimum volume commitment that requires Antero Resources to utilize or pay for 25% of the capacity of new compressor station construction for 10 years. All lease payments under the minimum volume commitments and cost of service fees are considered to be in-substance fixed lease payments under the gathering and compression agreements.

The Company recognizes lease income from its minimum volume commitments and cost of service fees under its gathering and compression agreements on a straight-line basis. Additional variable operating lease income is earned when volumes in excess of the minimum commitments are delivered under the contract. The Company recognizes variable lease income when low pressure volumes are delivered to a compressor station, compression volumes are delivered to a high pressure line and high pressure volumes are delivered to a processing plant or transmission pipeline, as applicable. Minimum volume commitments are aggregated such that there is a single minimum volume commitment for the respective service each year for each agreement. The Company invoices the customer the month after each service is performed, and payment is due in the same month. The Company is not party to any leases that have not commenced.

Minimum future lease cash flows to be received by the Company under the gathering and compression agreements as of March 31, 2023 are as follows (in thousands):

Remainder of year ending December 31, 2023	$	232,582
Year ending December 31, 2024		316,492
Year ending December 31, 2025		298,143
Year ending December 31, 2026		284,327
Year ending December 31, 2027		224,150
Thereafter		382,434
Total	$	1,738,128

(b) Water Handling

The Company is party to a water services agreement with Antero Resources, whereby the Company provides certain water handling services to Antero Resources within an area of dedication in defined service areas in West Virginia and Ohio. The initial term of the water services agreement runs to 2035. Upon completion of the initial term in 2035, the water services agreement will continue in effect from year to year until such time as the agreement is terminated, effective upon an anniversary of the effective date of the agreement, by either the Company or Antero Resources on or before the 180^th day prior to the anniversary of such effective date. Under the agreement, the Company receives a fixed fee for fresh water deliveries by pipeline directly to the well site, subject to annual CPI-based adjustments. In addition, the Company also provides other fluid handling services. These operations, along with the Company’s fresh water delivery systems, support well completion and production operations for Antero Resources. These services are provided by the Company directly or through third-parties with which the Company contracts. For these other fluid handling services provided by third-parties, Antero Resources reimburses the Company’s third-party out-of-pocket costs plus 3%. For these other fluid handling services provided by the Company, the Company charges Antero Resources a cost of service fee.

The Company satisfies its performance obligations and recognizes revenue when (i) the fresh water volumes have been delivered to the hydration unit of a specified well pad or (ii) other fluid handling services have been completed. The Company invoices the customer the month after water services are performed, and payment is due in the same month. For services contracted through third-party providers, the Company’s performance obligation is satisfied when the service to be performed by the third-party provider has been completed. The Company invoices the customer after the third-party provider billing is received, and payment is due in the same month.

Transaction Price Allocated to Remaining Performance Obligations

The Company’s water service agreement with Antero Resources has a term greater than one year. The Company is not required to disclose the transaction price allocated to remaining performance obligations if the variable consideration is allocated entirely to a wholly unsatisfied performance obligation. Under this contract, each unit of product delivered to the customer represents a separate performance obligation; therefore, future volumes are wholly unsatisfied and disclosure of the transaction price allocated to remaining performance obligations is not required.

The Company also performs water services for third-party customers and such contracts are short-term in nature with a contract term of one year or less. Accordingly, the Company is exempt from disclosure of the transaction price allocated to remaining performance obligations if the performance obligation is part of a contract that has an original expected duration of one year or less.

Contract Balances

Under the Company’s water service contracts, the Company invoices customers after the performance obligations have been satisfied, at which point payment is unconditional. Accordingly, the Company’s water service contracts do not give rise to contract assets or liabilities.

(c) Disaggregation of Revenue

In the following table, revenue is disaggregated by type of service and type of fee and is identified by the reportable segment to which such revenues relate. For more information on reportable segments, see Note 15—Reportable Segments.

	Three Months Ended March 31,
(in thousands)	2022		2023		Reportable Segment
Type of service
Gathering—low pressure	$	89,437		99,637	Gathering and Processing (1)
Gathering—low pressure fee rebate		(12,000)		(12,000)	Gathering and Processing (1)
Compression		51,612		58,390	Gathering and Processing (1)
Gathering—high pressure		53,394		53,549	Gathering and Processing (1)
Fresh water delivery		32,044		46,826	Water Handling
Other fluid handling		21,672		30,741	Water Handling
Amortization of customer relationships		(9,271)		(9,271)	Gathering and Processing
Amortization of customer relationships		(8,397)		(8,397)	Water Handling
Total	$	218,491		259,475
Type of contract
Per Unit Fixed Fee	$	194,443		211,576	Gathering and Processing (1)
Gathering—low pressure fee rebate		(12,000)		(12,000)	Gathering and Processing (1)
Per Unit Fixed Fee		32,439		47,099	Water Handling
Cost plus 3%		15,638		24,445	Water Handling
Cost of service fee		5,639		6,023	Water Handling
Amortization of customer relationships		(9,271)		(9,271)	Gathering and Processing
Amortization of customer relationships		(8,397)		(8,397)	Water Handling
Total	$	218,491		259,475

(1) Revenue related to the gathering and processing segment is classified as lease income related to the gathering and compression systems.

The Company’s receivables from its contracts with customers and operating leases as of December 31, 2022 and March 31, 2023, were $86 million and $95 million, respectively.

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Property and Equipment

3 Months Ended

Mar. 31, 2023

Property and Equipment

Property and Equipment

(6) Property and Equipment

(a) Summary of Property and Equipment

Property and equipment, net consisted of the following items:

				(Unaudited)
	Estimated	December 31,		March 31,
(in thousands)	Useful Lives	2022		2023
Land	n/a	$	31,668		31,668
Gathering systems and facilities	40-50 years (1)		3,281,872		3,299,456
Permanent buried pipelines and equipment	7-20 years		601,347		629,253
Surface pipelines and equipment	1-7 years		66,726		71,179
Heavy trucks and equipment	3-5 years		5,157		5,157
Above ground storage tanks	5-10 years		2,953		5,130
Construction-in-progress	n/a		158,977		139,564
Total property and equipment			4,148,700		4,181,407
Less accumulated depreciation			(397,269)		(432,187)
Property and equipment, net		$	3,751,431		3,749,220

(1) Gathering systems and facilities are recognized as a single-leased asset with no residual value.

(b) Asset Acquisitions

On October 25, 2022, the Company acquired certain Marcellus gas gathering and compression assets from Crestwood for $205 million in cash, before closing adjustments. These assets included 72 miles of dry gas gathering pipelines and nine compressor stations with 700 MMcf/d of compression capacity. The cash consideration for this asset acquisition was allocated to land and gathering systems and facilities, included in Property and equipment in the condensed consolidated balance sheets, for $3 million and $202 million, respectively.

Additionally, on December 21, 2022, the Company acquired certain Utica compression assets from EnLink for $10 million in cash, before closing adjustments. These assets included four compressor stations with 380 MMcf/d of compression capacity. The acquired compression assets are interconnected with the Company’s existing low pressure and high pressure gathering systems and service Antero Resources’ production. The cash consideration for this asset acquisition was allocated to gathering systems and facilities included in Property and equipment in the condensed consolidated balance sheets.

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Long-Term Debt

3 Months Ended

Mar. 31, 2023

Long-Term Debt.

Long-Term Debt

(7) Long-Term Debt

Long-term debt consisted of the following items:

			(Unaudited)
	December 31,		March 31,
(in thousands)	2022		2023
Credit Facility (a)	$	782,000		751,100
7.875% senior notes due 2026 (b)		550,000		550,000
5.75% senior notes due 2027 (c)		650,000		650,000
5.75% senior notes due 2028 (d)		650,000		650,000
5.375% senior notes due 2029 (e)		750,000		750,000
Total principal		3,382,000		3,351,100
Unamortized debt premiums		1,698		1,598
Unamortized debt issuance costs		(22,416)		(21,378)
Total long-term debt	$	3,361,282		3,331,320

(a) Credit Facility

Antero Midstream Partners LP (“Antero Midstream Partners”), an indirect, wholly owned subsidiary of Antero Midstream Corporation, as borrower (the “Borrower”), has a senior secured revolving credit facility (the “Credit Facility”) with a consortium of banks. Lender commitments under the Credit Facility were $1.25 billion as of December 31, 2022 and March 31, 2023. The Credit Facility matures on October 26, 2026; provided that if on November 17, 2025 any of the 2026 Notes (as defined below) are outstanding, the Credit Facility will mature on such date. As of March 31, 2023, the Credit Facility had an available borrowing capacity of $499 million.

The Credit Facility contains certain covenants including restrictions on indebtedness, and requirements with respect to leverage and interest coverage ratios. The Credit Facility permits distributions to the holders of the Borrower’s equity interests in accordance with the cash distribution policy, provided that no event of default exists or would be caused thereby, and only to the extent permitted by the Borrower’s organizational documents. The Borrower was in compliance with all of the financial covenants under the Credit Facility as of December 31, 2022 and March 31, 2023.

The Credit Facility provides for borrowing under either the Adjusted Term Secured Overnight Financing Rate (“SOFR”) or the Base Rate (as each term is defined in the Credit Facility). Principal amounts borrowed are payable on the maturity date with such borrowings bearing interest that is payable with respect to (i) base rate loans, quarterly and (ii) SOFR Loans at the end of the applicable interest period if three months (or shorter, if applicable), or every three months if the applicable interest period is longer than three months. Interest is payable at a variable rate based on SOFR or the base rate, determined by election at the time of borrowing, plus an applicable margin rate under the Credit Facility. Interest at the time of borrowing is determined with reference to the Borrower’s then-current leverage ratio subject to certain exceptions. Commitment fees on the unused portion of the Credit Facility are due quarterly at rates ranging from 0.25% to 0.375% subject to certain exceptions based on the leverage ratio then in effect.

As of December 31, 2022, the Borrower had outstanding borrowings under the Credit Facility of $782 million with a weighted average interest rate of 6.17%. As of March 31, 2023, the Borrower had outstanding borrowings under the Credit Facility of $751 million with a weighted average interest rate of 6.64%. No letters of credit under the Credit Facility were outstanding as of December 31, 2022 or March 31, 2023.

(b) 7.875% Senior Notes Due 2026

On November 10, 2020, Antero Midstream Partners and its wholly owned subsidiary, Antero Midstream Finance Corp (“Finance Corp,” and together with Antero Midstream Partners, the “Issuers”) issued $550 million in aggregate principal amount of 7.875% senior notes due May 15, 2026 (the “2026 Notes”) at par. The 2026 Notes are unsecured and effectively subordinated to the Credit Facility to the extent of the value of the collateral securing the Credit Facility. The 2026 Notes are fully and unconditionally guaranteed on a joint and several senior unsecured basis by Antero Midstream Corporation, Antero Midstream Partners’ wholly owned subsidiaries (other than Finance Corp) and certain of its future restricted subsidiaries. Interest on the 2026 Notes is payable on May 15 and November 15 of each year. Antero Midstream Partners may redeem all or part of the 2026 Notes at any time on or after May 15, 2023 at redemption prices ranging from 103.938% on or after May 15, 2023 to 100.00% on or after May 15, 2025. In addition, prior to May 15, 2023, Antero Midstream Partners may redeem up to 35% of the aggregate principal amount of the 2026 Notes with an amount of cash not greater than the net cash proceeds of certain equity offerings, if certain conditions are met, at a redemption price of 107.875% of the principal amount of the 2026 Notes, plus accrued and unpaid interest. At any time prior to May 15, 2023, Antero Midstream Partners may also redeem the 2026 Notes, in whole or in part, at a price equal to 100% of the principal amount of the 2026 Notes plus a “make-whole” premium and accrued and unpaid interest. If Antero Midstream Partners undergoes a change of control followed by a rating decline, the holders of the 2026 Notes will have the right to require Antero Midstream Partners to repurchase all or a portion of the 2026 Notes at a price equal to 101% of the principal amount of the 2026 Notes, plus accrued and unpaid interest.

(c) 5.75% Senior Notes Due 2027

On February 25, 2019, the Issuers issued $650 million in aggregate principal amount of 5.75% senior notes due March 1, 2027 (the “2027 Notes”) at par. The 2027 Notes were recorded at their fair value of $653.3 million as of March 12, 2019, and the related premium of $3.3 million will be amortized into interest expense over the life of the 2027 Notes. The 2027 Notes are unsecured and effectively subordinated to the Credit Facility to the extent of the value of the collateral securing the Credit Facility.  The 2027 Notes are fully and unconditionally guaranteed on a joint and several senior unsecured basis by Antero Midstream Corporation, Antero Midstream Partners’ wholly owned subsidiaries (other than Finance Corp) and certain of its future restricted subsidiaries.  Interest on the 2027 Notes is payable on March 1 and September 1 of each year.  Antero Midstream Partners may redeem all or part of the 2027 Notes at any time on or after March 1, 2022 at redemption prices ranging from 101.917% currently to 100.00% on or after March 1, 2025.  If Antero Midstream Partners undergoes a change of control followed by a rating decline, the holders of the 2027 Notes will have the right to require Antero Midstream Partners to repurchase all or a portion of the 2027 Notes at a price equal to 101% of the principal amount of the 2027 Notes, plus accrued and unpaid interest.

(d) 5.75% Senior Notes Due 2028

On June 28, 2019, the Issuers issued $650 million in aggregate principal amount of 5.75% senior notes due January 15, 2028 (the “2028 Notes”) at par.  The 2028 Notes are unsecured and effectively subordinated to the Credit Facility to the extent of the value of the collateral securing the Credit Facility.  The 2028 Notes are fully and unconditionally guaranteed on a joint and several senior unsecured basis by Antero Midstream Corporation, Antero Midstream Partners’ wholly owned subsidiaries (other than Finance Corp) and certain of its future restricted subsidiaries.  Interest on the 2028 Notes is payable on January 15 and July 15 of each year.  Antero Midstream Partners may redeem all or part of the 2028 Notes at any time on or after January 15, 2023 at redemption prices ranging from 102.875% on or after January 15, 2023 to 100.00% on or after January 15, 2026. If Antero Midstream Partners undergoes a change of control followed by a rating decline, the holders of the 2028 Notes will have the right to require Antero Midstream Partners to repurchase all or a portion of the 2028 Notes at a price equal to 101% of the principal amount of the 2028 Notes, plus accrued and unpaid interest.

(e) 5.375% Senior Notes Due 2029

On June 8, 2021, the Issuers issued $750 million in aggregate principal amount of 5.375% senior notes due June 15, 2029 (the “2029 Notes”) at par. The 2029 Notes are unsecured and effectively subordinated to the Credit Facility to the extent of the value of the collateral securing the Credit Facility. The 2029 Notes are fully and unconditionally guaranteed on a joint and several senior unsecured basis by Antero Midstream Corporation, Antero Midstream Partners’ wholly owned subsidiaries (other than Finance Corp) and certain of its future restricted subsidiaries. Interest on the 2029 Notes is payable on June 15 and December 15 of each year. Antero Midstream Partners may redeem all or part of the 2029 Notes at any time on or after June 15, 2024 at redemption prices ranging from 102.688% on or after June 15, 2024 to 100.00% on or after June 15, 2026. In addition, prior to June 15, 2024, Antero Midstream Partners may redeem up to 35% of the aggregate principal amount of the 2029 Notes with an amount of cash not greater than the net cash proceeds of certain equity offerings, if certain conditions are met, at a redemption price of 105.375% of the principal amount of the 2029 Notes, plus accrued and unpaid interest. At any time prior to June 15, 2024, Antero Midstream Partners may also redeem the 2029 Notes, in whole or in part, at a price equal to 100% of the principal amount of the 2029 Notes plus a “make-whole” premium and accrued and unpaid interest. If Antero Midstream Partners undergoes a change of control followed by a rating decline, the holders of the 2029 Notes will have the right to require Antero Midstream Partners to repurchase all or a portion of the 2029 Notes at a price equal to 101% of the principal amount of the 2029 Notes, plus accrued and unpaid interest.

(f) Senior Notes Guarantors

The Company and each of the Company’s wholly owned subsidiaries (except for the Issuers) has fully and unconditionally guaranteed the 2026 Notes, 2027 Notes, 2028 Notes and 2029 Notes (collectively the “Senior Notes”). In the event a guarantor is sold or disposed of (whether by merger, consolidation, the sale of a sufficient amount of its capital stock so that it no longer qualifies as a Restricted Subsidiary (as defined in the applicable indenture governing the series of Senior Notes) of the Issuer or the sale of all or substantially all of its assets) and whether or not the guarantor is the surviving entity in such transaction to a person that is not an Issuer or a Restricted Subsidiary of an Issuer, such guarantor will be released from its obligations under its guarantee if the sale or other disposition does not violate the covenants set forth in the indentures governing the applicable Senior Notes.

In addition, a guarantor will be released from its obligations under the applicable indenture and its guarantee, upon the release or discharge of the guarantee of other indebtedness under a credit facility that resulted in the creation of such guarantee, except a release or discharge by or as a result of payment under such guarantee; if the Issuers designate such subsidiary as an unrestricted subsidiary and such designation complies with the other applicable provisions of the indenture governing the applicable Senior Notes or in connection with any covenant defeasance, legal defeasance or satisfaction and discharge of the applicable Senior Notes.

During the three months ended March 31, 2022 and 2023, all of the Company’s assets and operations are attributable to the Issuers and its guarantors.

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Accrued Liabilities

3 Months Ended

Mar. 31, 2023

Accrued Liabilities

Accrued Liabilities

(8) Accrued Liabilities

Accrued liabilities consisted of the following items:

			(Unaudited)
	December 31,		March 31,
(in thousands)	2022		2023
Capital expenditures	$	16,597		11,156
Operating expenses		11,118		11,509
Interest expense		37,947		40,756
Ad valorem taxes		5,661		3,559
Other		1,392		2,386
Total accrued liabilities	$	72,715		69,366

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Equity-Based Compensation and Cash Awards

3 Months Ended

Mar. 31, 2023

Equity-Based Compensation and Cash Awards

Equity-Based Compensation and Cash Awards

(9) Equity-Based Compensation and Cash Awards

(a) Summary of Equity-Based Compensation

The Company’s equity-based compensation includes (i) costs allocated to Antero Midstream by Antero Resources for grants made prior to March 12, 2019 pursuant to the Antero Resources Corporation Long-Term Incentive Plan (the “AR LTIP”) and (ii) costs related to the Antero Midstream Corporation Long-Term Incentive Plan (the “AM LTIP”). Antero Midstream’s equity-based compensation expense is included in general and administrative expenses, and recorded as a credit to the applicable classes of equity.

AR LTIP

Equity-based compensation expense allocated to Antero Midstream from Antero Resources was $0.3 million and less than $0.1 million for the three months ended March 31, 2022 and 2023, respectively, which includes expense related to the Converted AM RSU Awards (as defined below). All grants made prior to March 12, 2019 were fully amortized during the first quarter of 2023. Therefore, there will be no further allocation of equity-based compensation expense from Antero Resources to the Company. The Company does not reimburse Antero Resources for noncash equity compensation allocated to it for awards issued under the AR LTIP.

AM LTIP

Effective March 12, 2019, the Board of Directors of Antero Midstream Corporation (the “Board”) adopted the AM LTIP under which awards may be granted to employees, directors, and other service providers of the Company and its affiliates. The Company is authorized to grant up to 15,398,901 shares of AM common stock to employees and directors under the AM LTIP. The AM LTIP provides for the grant of stock options, stock appreciation rights, restricted stock, restricted stock units (“RSUs”), dividend equivalents, other stock-based awards, cash awards and substitute awards. The terms and conditions of the awards granted are established by the compensation committee of the Board of Directors (the “Board”). As of March 31, 2023, a total of 3,971,135 shares were available for future grant under the AM LTIP.

The Company’s equity-based compensation expense, by type of award, is as follows:

		Three Months Ended March 31,
(in thousands)	2022		2023
Restricted stock units (1)	$	2,488		5,061
Performance share units (1)		117		1,061
Equity awards issued to directors		227		205
Total expense	$	2,832		6,327

(1) Amounts include equity-based compensation expense allocated to the Company by Antero Resources.

(b) Restricted Stock Unit Awards

The Company’s RSU awards included the unvested outstanding phantom units granted under the Antero Midstream Partners Long Term Incentive Plan which were assumed by the Company on March 12, 2019, and converted into 1.8926 RSUs under the AM LTIP representing a right to receive shares of the Company’s common stock for each converted phantom unit (all such RSUs, the “Converted AM RSU Awards”). The Converted AM RSU Awards were accounted for as if they were distributed by Antero Midstream Partners to Antero Resources. Therefore, the expense related to the Converted AM RSU Awards was subject to allocation by Antero Resources. All remaining Converted AM RSU Awards vested during the first quarter of 2023.

A summary of the RSU awards activity, which included the Converted AM RSU Awards, is as follows:

		Weighted Average
	Number	Grant Date
	of Units	Fair Value
Total AM LTIP RSUs awarded and unvested—December 31, 2022	4,877,258	$	9.79
Granted	3,094,153		10.59
Vested	(235,049)		7.62
Forfeited	(70,385)		10.18
Total AM LTIP RSUs awarded and unvested—March 31, 2023	7,665,977	$	10.17

As of March 31, 2023, unamortized expense of $61 million related to the unvested RSUs is expected to be recognized over a weighted average period of 2.5 years.

(c) Performance Share Unit Awards

2023 Performance Share Unit Awards

In March 2023, the Company granted PSUs to certain of its executive officers that vest based on the Company’s actual ROIC (as defined in the award agreement) over a three-year period concluding on December 31, 2025 as compared to a targeted ROIC (“2023 ROIC PSUs”). The number of shares of the Company’s common stock that can be earned with respect to the 2023 ROIC PSUs ranges from zero to 200% of the target number of 2023 ROIC PSUs originally granted. The grant date fair value of these awards was based on the closing price of the Company’s common stock on the date of the grant, assuming target achievement of the performance condition. Expense related to the 2023 ROIC PSUs is recognized based on the number of shares of the Company’s common stock that are expected to be issued at the end of the measurement period, and such expense is reversed if the likelihood of achieving the performance condition decreases. The likelihood of achieving the performance conditions related to 2023 ROIC PSU awards was probable as of March 31, 2023.

Summary Information for Performance Share Unit Awards

A summary of the PSU awards activity is as follows:

		Weighted Average
	Number	Grant Date
	of Units	Fair Value
Total AM LTIP PSUs awarded and unvested—December 31, 2022	439,935	$	11.28
Granted	512,166		10.58
Total AM LTIP PSUs awarded and unvested—March 31, 2023	952,101	$	10.90

As of March 31, 2023, there was $17 million of unamortized equity-based compensation expense related to unvested PSUs that is expected to be recognized over a weighted average period of 2.6 years.

(d) Cash Awards

In January 2020, the Company granted cash awards of $2.2 million to certain executives under the AM LTIP that vested ratably over a period of up to three years. In July 2020, the Company granted additional cash awards of $0.7 million to certain non-executive employees under the AM LTIP that vest ratably over a period of four years. The compensation expense for these awards is recognized ratably over the applicable vesting period. As of December 31, 2022 and March 31, 2023, the Company has accrued $0.5 million and $0.2 million, respectively, in other liabilities in the condensed consolidated balance sheets related to unvested cash awards.

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Cash Dividends

3 Months Ended

Mar. 31, 2023

Cash Dividends

Cash Dividends

(10) Cash Dividends

The Company paid cash dividends for the quarter indicated as follows (in thousands, except per share data):

					Dividends
Period	Record Date	Dividend Date	Dividends		per Share
Q4 2021	January 26, 2022	February 9, 2022	$	108,149	$	0.2250
*	February 14, 2022	February 14, 2022		138		*
Q1 2022	April 27, 2022	May 11, 2022		109,296		0.2250
*	May 16, 2022	May 16, 2022		137		*
Q2 2022	July 27, 2022	August 10, 2022		107,675		0.2250
*	August 15, 2022	August 15, 2022		138		*
Q3 2022	October 26, 2022	November 9, 2022		107,705		0.2250
*	November 14, 2022	November 14, 2022		137		*
	Total 2022		$	433,375
Q4 2022	January 25, 2023	February 8, 2023	$	108,364	$	0.2250
*	February 14, 2023	February 14, 2023		138		*
	Total 2023		$	108,502

* Dividends are paid in accordance with the terms of the Series A Preferred Stock (as defined below) as discussed in Note 11—Equity and Earnings Per Common Share.

On April 12, 2023, the Board announced the declaration of a cash dividend on the shares of AM common stock of $0.2250 per share for the quarter ended March 31, 2023. The dividend is payable on May 10, 2023 to stockholders of record as of April 26, 2023. The Company pays dividends (i) out of surplus or (ii) if there is no surplus, out of the net profits for the fiscal year in which the dividend is declared and/or the preceding fiscal year, as provided under Delaware law.

The Board also declared a cash dividend of $138 thousand on the shares of Series A Preferred Stock of Antero Midstream that is payable on May 15, 2023 in accordance with the terms of the Series A Preferred Stock, which are discussed in Note 11—Equity and Earnings Per Common Share. As of March 31, 2023, there were dividends in the amount of $69 thousand accumulated in arrears on the Company’s Series A Preferred Stock.

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Equity and Earnings Per Common Share

3 Months Ended

Mar. 31, 2023

Equity and Earnings Per Common Share

Equity and Earnings Per Common Share

(11) Equity and Earnings Per Common Share

(a) Preferred Stock

The Board authorized 100,000,000 shares of preferred stock on March 12, 2019, and issued 10,000 shares of preferred stock designated as "5.5% Series A Non-Voting Perpetual Preferred Stock" (the "Series A Preferred Stock"), to The Antero Foundation on that date. Dividends on the Series A Preferred Stock are cumulative from the date of original issue and payable in cash on the 45^th day following the end of each fiscal quarter, or such other dates as the Board will approve, at a rate of 5.5% per annum on (i) the liquidation preference per share of Series A Preferred Stock (as described below) and (ii) the amount of accrued and unpaid dividends for any prior dividend period on such share of Series A Preferred Stock, if any. At any time following the date of issue, in the event of a change of control, or at any time on or after March 12, 2029, the Company may redeem the Series A Preferred Stock at a price equal to $1,000 per share, plus any accrued and unpaid dividends, payable in cash; provided that if any shares of the Series A Preferred Stock are held by The Antero Foundation at the time of such redemption, the price for redemption of each share of Series A Preferred Stock will be the greater of (i) $1,000 per share, plus any accrued but unpaid dividends, and (ii) the fair market value of the Series A Preferred Stock. On or after March 12, 2029, the holder of each share of Series A Preferred Stock (other than The Antero Foundation) may convert such shares, at any time and from time to time, at the option of the holder into a number of shares of AM common stock equal to the conversion ratio in effect on the applicable conversion date, subject to certain limitations. The Series A Preferred Stock ranks senior to the AM common stock as to dividend rights, as well as with respect to rights upon liquidation, winding-up or dissolution of the Company. Holders of the Series A Preferred Stock do not have any voting rights in the Company, except as required by law, or any preemptive rights.

(b) Weighted Average Shares Outstanding

The following is a reconciliation of the Company’s basic weighted average shares outstanding to diluted weighted average shares outstanding:

	Three Months Ended March 31,
(in thousands)	2022		2023
Basic weighted average number of shares outstanding		477,646		478,612
Add: Dilutive effect of RSUs		1,382		1,687
Add: Dilutive effect of PSUs		225		207
Add: Dilutive effect of Series A Preferred Stock		920		953
Diluted weighted average number of shares outstanding		480,173		481,459
Weighted average number of outstanding equity awards excluded from calculation of net income per share—diluted (1):
RSUs		1		872
PSUs		—		285

(1) The potential dilutive effects of these awards were excluded from the computation of net income per share—diluted because the inclusion of these awards would have been anti-dilutive.

(c) Net Income Per Share

Net income per share—basic for each period is computed by dividing the net income or loss attributable to the Company by the basic weighted average number of shares outstanding during the period. Net income per share—diluted for each period is computed after giving consideration to the potential dilution from outstanding equity awards, calculated using the treasury stock method. During periods in which the Company incurs a net loss, diluted weighted average shares outstanding are equal to basic weighted average shares outstanding because the effect of all equity awards is anti-dilutive.

	Three Months Ended March 31,
(in thousands, except per share amounts)	2022		2023
Net income	$	80,040		86,507
Less preferred stock dividends		(138)		(138)
Net income available to common shareholders	$	79,902		86,369
Net income per share–basic	$	0.17		0.18
Net income per share–diluted	$	0.17		0.18
Weighted average common shares outstanding–basic		477,646		478,612
Weighted average common shares outstanding–diluted		480,173		481,459

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Fair Value Measurement

3 Months Ended

Mar. 31, 2023

Fair Value Measurement

Fair Value Measurement

(12) Fair Value Measurement

(a) Senior Unsecured Notes

The fair value and carrying value of the Company’s Senior Notes is as follows:

					(Unaudited)
	December 31, 2022				March 31, 2023
(in thousands)	Fair Value (1)		Carrying Value (2)		Fair Value (1)		Carrying Value (2)
2026 Notes	$	556,985		545,416		559,735		545,712
2027 Notes		612,365		646,610		632,905		646,780
2028 Notes		601,575		644,776		621,530		645,004
2029 Notes		685,650		742,480		704,100		742,724
Total	$	2,456,575		2,579,282		2,518,270		2,580,220

(1) Fair values are based on Level 2 market data inputs.

(2) Carrying values are presented net of unamortized debt issuance costs and debt premiums.

(b) Other Assets and Liabilities

The carrying values of accounts receivable and accounts payable as of December 31, 2022 and March 31, 2023 approximated fair value because of their short-term nature. The carrying value of the amounts under the Credit Facility as of December 31, 2022 and March 31, 2023 approximated fair value because the variable interest rates are reflective of current market conditions.

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Investments in Unconsolidated Affiliates

3 Months Ended

Mar. 31, 2023

Investments in Unconsolidated Affiliates

Investments in Unconsolidated Affiliates

(13) Investments in Unconsolidated Affiliates

The Company has a 50% equity interest in the joint venture to develop processing and fractionation assets with MarkWest Energy Partners, L.P. (“MarkWest”), a wholly owned subsidiary of MPLX, LP (the “Joint Venture”). The Joint Venture was formed to develop processing and fractionation assets in Appalachia. MarkWest operates the Joint Venture assets, which consist of processing plants in West Virginia and a one-third interest in two MarkWest fractionators in Ohio.

The Company also has a 15% equity interest in a gathering system of Stonewall Gas Gathering LLC (“Stonewall”), which operates a 67-mile pipeline on which Antero Resources is an anchor shipper.

The Company’s net income includes its proportionate share of the net income of the Joint Venture and Stonewall. When the Company records its proportionate share of net income, it increases equity income in the unaudited condensed consolidated statements of operations and comprehensive income and the carrying value of that investment on its condensed consolidated balance sheet. When distributions on the Company’s proportionate share of net income are received, they are recorded as reductions to the carrying value of the investment on the condensed consolidated balance sheet and are classified as cash inflows from operating activities in accordance with the nature of the distribution approach under FASB ASC Topic 230, Statement of Cash Flows. The Company uses the equity method of accounting to account for its investments in the Joint Venture and Stonewall because it exercises significant influence, but not control, over the entities. The Company’s judgment regarding the level of influence over its equity investments includes considering key factors such as its ownership interest, representation on the applicable Board of Directors and participation in policy-making decisions of the Joint Venture and Stonewall.

The following table is a reconciliation of the Company’s investments in these unconsolidated affiliates:

					Total Investment
					in Unconsolidated
(in thousands)	Joint Venture		Stonewall		Affiliates
Balance as of December 31, 2022	$	526,652		126,115		652,767
Equity in earnings of unconsolidated affiliates (1)		22,630		1,826		24,456
Distributions from unconsolidated affiliates		(27,010)		(7,095)		(34,105)
Balance as of March 31, 2023	$	522,272		120,846		643,118

(1) As adjusted for the amortization of the difference between the cost of the equity investments in Stonewall and the Joint Venture and the amount of the underlying equity in the net assets of the Joint Venture and Stonewall as of March 12, 2019.

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Contingencies

3 Months Ended

Mar. 31, 2023

Contingencies

Contingencies

(14)  Contingencies

The Company is currently involved in a consolidated lawsuit with Veolia Water Technologies, Inc. (“Veolia”) relating to the Clearwater Facility.

On March 13, 2020, Antero Treatment LLC (“Antero Treatment”), a wholly owned subsidiary of the Company, filed suit against Veolia in the district court of Denver County, Colorado (the “Court”), asserting claims of fraud, breach of contract and other related claims. Antero Treatment alleges that Veolia failed to meet its contractual obligations to design and build a “turnkey” wastewater disposal facility under a Design/Build Agreement dated August 18, 2015 (the “DBA”), and that Veolia fraudulently concealed certain miscalculations and design flaws during contract negotiations and continued to conceal and fraudulently misrepresent the impact of certain design changes post-execution of the DBA. On March 13, 2020, Veolia filed a separate suit against the Company, Antero Resources, and certain of the Company’s wholly owned subsidiaries (collectively, the “Antero Defendants”) in Denver County, Colorado. In its lawsuit, Veolia asserted breach of contract and equitable claims against the Antero Defendants for alleged failures under the DBA. Veolia’s suit was consolidated into the action filed by Antero Treatment.

Veolia and the Antero Defendants each filed partial motions to dismiss and motions for summary judgment directed at certain claims asserted by the opposing party. A bench trial on the remaining claims was held from January 24 through February 10, 2022 and concluded on February 24, 2022. At trial, Antero Treatment sought damages from Veolia of $450 million, which represents the Company’s out-of-pocket costs associated with the Clearwater Facility project. In the alternative, Antero Treatment sought damages related to multiple breaches of the DBA, totaling $370 million. Also at trial, Veolia sought monetary damages of $118 million, including alleged delay and extra-contractual costs and a contract balance relating to an allegation that Antero Defendants improperly terminated the DBA.

On January 3, 2023, the Court found that Antero Treatment had prevailed on its claims for breach of contract and fraud, and awarded $242 million in damages to Antero Treatment, plus pre- and post-judgment interest and reasonable costs and attorneys’ fees. The Court also found in Antero Defendants’ favor on all of Veolia’s affirmative claims. On January 27, 2023 the Court entered judgment in favor of Antero Treatment in the amount of $309 million in damages, which includes pre-judgment interest. Antero was also awarded costs and attorneys’ fees, the amount of which will be determined in separate proceedings. On April 10, 2023, the Court issued an order identifying an error in its previously entered judgment and reduced the damages award by $27 million. The Court has not yet entered an amended judgment, which, once entered, will be subject to appeal.

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Reportable Segments

3 Months Ended

Mar. 31, 2023

Reportable Segments

Reportable Segments

(15) Reportable Segments

(a) Summary of Reportable Segments

The Company’s operations, which are located in the United States, are organized into two reportable segments: (i) gathering and processing and (ii) water handling. These segments are monitored separately by management for performance and are consistent with internal financial reporting. These segments have been identified based on the differing products and services, regulatory environment and the expertise required for these operations. Management evaluates the performance of the Company’s business segments based on operating income. Interest expense is primarily managed and evaluated on a consolidated basis.

Gathering and Processing

The gathering and processing segment includes a network of gathering pipelines and compressor stations that collect and process production from Antero Resources’ wells in West Virginia and Ohio. The gathering and processing segment also includes equity in earnings from the Company’s investments in the Joint Venture and Stonewall.

Water Handling

The Company’s water handling segment includes two independent systems that deliver water from sources including the Ohio River, local reservoirs and several regional waterways. Portions of these water handling systems are also utilized to transport flowback and produced water. The water handling systems consist of permanent buried pipelines, surface pipelines and water storage facilities, as well as pumping stations, blending facilities and impoundments to transport water throughout the systems used to deliver water for Antero Resources’ well completions.

(b) Reportable Segments Financial Information

The summarized operating results of the Company’s reportable segments are as follows:

	Three Months Ended March 31, 2022
	Gathering and		Water				Consolidated
(in thousands)	Processing		Handling		Unallocated (1)		Total
Revenues:
Revenue–Antero Resources	$	182,443		53,321		—		235,764
Revenue–third-party		—		395		—		395
Amortization of customer relationships		(9,271)		(8,397)		—		(17,668)
Total revenues		173,172		45,319		—		218,491
Operating expenses:
Direct operating		17,182		24,830		—		42,012
General and administrative		9,701		6,741		1,489		17,931
Facility idling		—		1,148		—		1,148
Depreciation		15,807		12,493		—		28,300
Accretion of asset retirement obligations		—		64		—		64
Gain on asset sale		(31)		(87)		—		(118)
Total operating expenses		42,659		45,189		1,489		89,337
Operating income	$	130,513		130		(1,489)		129,154
Equity in earnings of unconsolidated affiliates	$	23,232		—		—		23,232
Additions to property and equipment	$	70,734		13,533		—		84,267

(1) Certain expenses that are not directly attributable to gathering and processing and water handling are managed and evaluated on a consolidated basis.

	Three Months Ended March 31, 2023
	Gathering and		Water				Consolidated
(in thousands)	Processing		Handling		Unallocated (1)		Total
Revenues:
Revenue–Antero Resources	$	199,576		77,295		—		276,871
Revenue–third-party		—		272		—		272
Amortization of customer relationships		(9,271)		(8,397)		—		(17,668)
Total revenues		190,305		69,170		—		259,475
Operating expenses:
Direct operating		24,118		33,755		—		57,873
General and administrative		10,180		6,208		959		17,347
Facility idling		—		574		—		574
Depreciation		22,063		13,133		—		35,196
Accretion of asset retirement obligations		—		44		—		44
Loss on settlement of asset retirement obligations		—		341		—		341
Gain on asset sale		(242)		(3)		—		(245)
Total operating expenses		56,119		54,052		959		111,130
Operating income	$	134,186		15,118		(959)		148,345
Equity in earnings of unconsolidated affiliates	$	24,456		—		—		24,456
Additions to property and equipment, net	$	29,197		13,760		—		42,957

(1) Certain expenses that are not directly attributable to gathering and processing and water handling are managed and evaluated on a consolidated basis.

The summarized total assets of the Company’s reportable segments are as follows:

			(Unaudited)
	December 31,		March 31,
(in thousands)	2022		2023
Gathering and Processing	$	4,711,069		4,692,529
Water Handling		1,079,297		1,076,653
Unallocated (1)		954		1,345
Total assets	$	5,791,320		5,770,527

(1) Certain assets that are not directly attributable to gathering and processing and water handling are managed and evaluated on a consolidated basis.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2023

Summary of Significant Accounting Policies

Basis of Presentation

(a) Basis of Presentation

These unaudited condensed consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”) applicable to interim financial information and should be read in the context of the Company’s December 31, 2022 consolidated financial statements and notes thereto for a more complete understanding of the Company’s operations, financial position, and accounting policies. The Company’s December 31, 2022 consolidated financial statements were included in the Company’s 2022 Annual Report on Form 10-K, which was filed with the SEC.

These unaudited condensed consolidated financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information, and, accordingly, do not include all of the information and footnotes required by GAAP for complete consolidated financial statements. In the opinion of management, these unaudited condensed consolidated financial statements include all adjustments (consisting of normal and recurring accruals) considered necessary to present fairly the Company’s financial position as of December 31, 2022 and March 31, 2023, and the results of the Company’s operations and cash flows for the three months ended March 31, 2022 and 2023. The Company has no items of other comprehensive income; therefore, net income is equal to comprehensive income.

Certain costs of doing business incurred and charged to the Company by Antero Resources have been reflected in the accompanying unaudited condensed consolidated financial statements. These costs include general and administrative expenses provided to the Company by Antero Resources in exchange for:

● business services, such as payroll, accounts payable and facilities management;

● corporate services, such as finance and accounting, legal, human resources, investor relations and public and regulatory policy; and

● employee compensation, including equity-based compensation.

Transactions between the Company and Antero Resources have been identified in the unaudited condensed consolidated financial statements (see Note 4—Transactions with Affiliates).

Principles of Consolidation

(b) Principles of Consolidation

The accompanying unaudited condensed consolidated financial statements include the accounts of Antero Midstream Corporation and its consolidated subsidiaries. All significant intercompany accounts and transactions have been eliminated in the Company’s unaudited condensed consolidated financial statements.

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Intangibles (Tables)

3 Months Ended

Mar. 31, 2023

Intangibles

Schedule of changes in carrying amount of customer relationships

The changes in the carrying amount of customer relationships were as follows (in thousands):

Customer relationships as of December 31, 2022		1,286,103
Amortization of customer relationships		(17,668)
Customer relationships as of March 31, 2023	$	1,268,435

Schedule of future amortization expense

Future amortization expense is as follows (in thousands):

Remainder of year ending December 31, 2023	$	53,004
Year ending December 31, 2024		70,672
Year ending December 31, 2025		70,672
Year ending December 31, 2026		70,672
Year ending December 31, 2027		70,672
Thereafter		932,743
Total	$	1,268,435

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Revenue (Tables)

3 Months Ended

Mar. 31, 2023

Revenue

Schedule of minimum future lease cash flows to be received by the Company under the gathering and compression agreement

Minimum future lease cash flows to be received by the Company under the gathering and compression agreements as of March 31, 2023 are as follows (in thousands):

Remainder of year ending December 31, 2023	$	232,582
Year ending December 31, 2024		316,492
Year ending December 31, 2025		298,143
Year ending December 31, 2026		284,327
Year ending December 31, 2027		224,150
Thereafter		382,434
Total	$	1,738,128

Schedule of disaggregation of revenue

	Three Months Ended March 31,
(in thousands)	2022		2023		Reportable Segment
Type of service
Gathering—low pressure	$	89,437		99,637	Gathering and Processing (1)
Gathering—low pressure fee rebate		(12,000)		(12,000)	Gathering and Processing (1)
Compression		51,612		58,390	Gathering and Processing (1)
Gathering—high pressure		53,394		53,549	Gathering and Processing (1)
Fresh water delivery		32,044		46,826	Water Handling
Other fluid handling		21,672		30,741	Water Handling
Amortization of customer relationships		(9,271)		(9,271)	Gathering and Processing
Amortization of customer relationships		(8,397)		(8,397)	Water Handling
Total	$	218,491		259,475
Type of contract
Per Unit Fixed Fee	$	194,443		211,576	Gathering and Processing (1)
Gathering—low pressure fee rebate		(12,000)		(12,000)	Gathering and Processing (1)
Per Unit Fixed Fee		32,439		47,099	Water Handling
Cost plus 3%		15,638		24,445	Water Handling
Cost of service fee		5,639		6,023	Water Handling
Amortization of customer relationships		(9,271)		(9,271)	Gathering and Processing
Amortization of customer relationships		(8,397)		(8,397)	Water Handling
Total	$	218,491		259,475

(1) Revenue related to the gathering and processing segment is classified as lease income related to the gathering and compression systems.

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Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2023

Property and Equipment

Schedule of property and equipment, net

				(Unaudited)
	Estimated	December 31,		March 31,
(in thousands)	Useful Lives	2022		2023
Land	n/a	$	31,668		31,668
Gathering systems and facilities	40-50 years (1)		3,281,872		3,299,456
Permanent buried pipelines and equipment	7-20 years		601,347		629,253
Surface pipelines and equipment	1-7 years		66,726		71,179
Heavy trucks and equipment	3-5 years		5,157		5,157
Above ground storage tanks	5-10 years		2,953		5,130
Construction-in-progress	n/a		158,977		139,564
Total property and equipment			4,148,700		4,181,407
Less accumulated depreciation			(397,269)		(432,187)
Property and equipment, net		$	3,751,431		3,749,220

(1) Gathering systems and facilities are recognized as a single-leased asset with no residual value.

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Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2023

Long-Term Debt.

Schedule of long-term debt

			(Unaudited)
	December 31,		March 31,
(in thousands)	2022		2023
Credit Facility (a)	$	782,000		751,100
7.875% senior notes due 2026 (b)		550,000		550,000
5.75% senior notes due 2027 (c)		650,000		650,000
5.75% senior notes due 2028 (d)		650,000		650,000
5.375% senior notes due 2029 (e)		750,000		750,000
Total principal		3,382,000		3,351,100
Unamortized debt premiums		1,698		1,598
Unamortized debt issuance costs		(22,416)		(21,378)
Total long-term debt	$	3,361,282		3,331,320

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Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2023

Accrued Liabilities

Schedule of accrued liabilities

Accrued liabilities consisted of the following items:

			(Unaudited)
	December 31,		March 31,
(in thousands)	2022		2023
Capital expenditures	$	16,597		11,156
Operating expenses		11,118		11,509
Interest expense		37,947		40,756
Ad valorem taxes		5,661		3,559
Other		1,392		2,386
Total accrued liabilities	$	72,715		69,366

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Equity-Based Compensation and Cash Awards (Tables)

3 Months Ended

Mar. 31, 2023

Schedule of equity based compensation by type of award

		Three Months Ended March 31,
(in thousands)	2022		2023
Restricted stock units (1)	$	2,488		5,061
Performance share units (1)		117		1,061
Equity awards issued to directors		227		205
Total expense	$	2,832		6,327

(1) Amounts include equity-based compensation expense allocated to the Company by Antero Resources.

Summary of RSU awards activity

		Weighted Average
	Number	Grant Date
	of Units	Fair Value
Total AM LTIP RSUs awarded and unvested—December 31, 2022	4,877,258	$	9.79
Granted	3,094,153		10.59
Vested	(235,049)		7.62
Forfeited	(70,385)		10.18
Total AM LTIP RSUs awarded and unvested—March 31, 2023	7,665,977	$	10.17

ROIC PSUs

Summary of PSU awards activity

		Weighted Average
	Number	Grant Date
	of Units	Fair Value
Total AM LTIP PSUs awarded and unvested—December 31, 2022	439,935	$	11.28
Granted	512,166		10.58
Total AM LTIP PSUs awarded and unvested—March 31, 2023	952,101	$	10.90

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Cash Dividends (Tables)

3 Months Ended

Mar. 31, 2023

Cash Dividends

Schedule of quarterly distributions and dividends paid

The Company paid cash dividends for the quarter indicated as follows (in thousands, except per share data):

					Dividends
Period	Record Date	Dividend Date	Dividends		per Share
Q4 2021	January 26, 2022	February 9, 2022	$	108,149	$	0.2250
*	February 14, 2022	February 14, 2022		138		*
Q1 2022	April 27, 2022	May 11, 2022		109,296		0.2250
*	May 16, 2022	May 16, 2022		137		*
Q2 2022	July 27, 2022	August 10, 2022		107,675		0.2250
*	August 15, 2022	August 15, 2022		138		*
Q3 2022	October 26, 2022	November 9, 2022		107,705		0.2250
*	November 14, 2022	November 14, 2022		137		*
	Total 2022		$	433,375
Q4 2022	January 25, 2023	February 8, 2023	$	108,364	$	0.2250
*	February 14, 2023	February 14, 2023		138		*
	Total 2023		$	108,502

* Dividends are paid in accordance with the terms of the Series A Preferred Stock (as defined below) as discussed in Note 11—Equity and Earnings Per Common Share.

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Equity and Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2023

Equity and Earnings Per Common Share

Schedule of weighted average shares outstanding

	Three Months Ended March 31,
(in thousands)	2022		2023
Basic weighted average number of shares outstanding		477,646		478,612
Add: Dilutive effect of RSUs		1,382		1,687
Add: Dilutive effect of PSUs		225		207
Add: Dilutive effect of Series A Preferred Stock		920		953
Diluted weighted average number of shares outstanding		480,173		481,459
Weighted average number of outstanding equity awards excluded from calculation of net income per share—diluted (1):
RSUs		1		872
PSUs		—		285

(1) The potential dilutive effects of these awards were excluded from the computation of net income per share—diluted because the inclusion of these awards would have been anti-dilutive.

Schedule of earnings per common share

	Three Months Ended March 31,
(in thousands, except per share amounts)	2022		2023
Net income	$	80,040		86,507
Less preferred stock dividends		(138)		(138)
Net income available to common shareholders	$	79,902		86,369
Net income per share–basic	$	0.17		0.18
Net income per share–diluted	$	0.17		0.18
Weighted average common shares outstanding–basic		477,646		478,612
Weighted average common shares outstanding–diluted		480,173		481,459

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Fair Value Measurement (Tables)

3 Months Ended

Mar. 31, 2023

Fair Value Measurement

Schedule of fair value and carrying value of Senior Notes

					(Unaudited)
	December 31, 2022				March 31, 2023
(in thousands)	Fair Value (1)		Carrying Value (2)		Fair Value (1)		Carrying Value (2)
2026 Notes	$	556,985		545,416		559,735		545,712
2027 Notes		612,365		646,610		632,905		646,780
2028 Notes		601,575		644,776		621,530		645,004
2029 Notes		685,650		742,480		704,100		742,724
Total	$	2,456,575		2,579,282		2,518,270		2,580,220

(1) Fair values are based on Level 2 market data inputs.

(2) Carrying values are presented net of unamortized debt issuance costs and debt premiums.

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Investments in Unconsolidated Affiliates (Tables)

3 Months Ended

Mar. 31, 2023

Investments in Unconsolidated Affiliates

Schedule of reconciliation of investments in unconsolidated affiliates

					Total Investment
					in Unconsolidated
(in thousands)	Joint Venture		Stonewall		Affiliates
Balance as of December 31, 2022	$	526,652		126,115		652,767
Equity in earnings of unconsolidated affiliates (1)		22,630		1,826		24,456
Distributions from unconsolidated affiliates		(27,010)		(7,095)		(34,105)
Balance as of March 31, 2023	$	522,272		120,846		643,118

(1) As adjusted for the amortization of the difference between the cost of the equity investments in Stonewall and the Joint Venture and the amount of the underlying equity in the net assets of the Joint Venture and Stonewall as of March 12, 2019.

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Reportable Segments (Tables)

3 Months Ended

Mar. 31, 2023

Reportable Segments

Schedule of operating results and assets of the Company's reportable segments

The summarized operating results of the Company’s reportable segments are as follows:

	Three Months Ended March 31, 2022
	Gathering and		Water				Consolidated
(in thousands)	Processing		Handling		Unallocated (1)		Total
Revenues:
Revenue–Antero Resources	$	182,443		53,321		—		235,764
Revenue–third-party		—		395		—		395
Amortization of customer relationships		(9,271)		(8,397)		—		(17,668)
Total revenues		173,172		45,319		—		218,491
Operating expenses:
Direct operating		17,182		24,830		—		42,012
General and administrative		9,701		6,741		1,489		17,931
Facility idling		—		1,148		—		1,148
Depreciation		15,807		12,493		—		28,300
Accretion of asset retirement obligations		—		64		—		64
Gain on asset sale		(31)		(87)		—		(118)
Total operating expenses		42,659		45,189		1,489		89,337
Operating income	$	130,513		130		(1,489)		129,154
Equity in earnings of unconsolidated affiliates	$	23,232		—		—		23,232
Additions to property and equipment	$	70,734		13,533		—		84,267

(1) Certain expenses that are not directly attributable to gathering and processing and water handling are managed and evaluated on a consolidated basis.

	Three Months Ended March 31, 2023
	Gathering and		Water				Consolidated
(in thousands)	Processing		Handling		Unallocated (1)		Total
Revenues:
Revenue–Antero Resources	$	199,576		77,295		—		276,871
Revenue–third-party		—		272		—		272
Amortization of customer relationships		(9,271)		(8,397)		—		(17,668)
Total revenues		190,305		69,170		—		259,475
Operating expenses:
Direct operating		24,118		33,755		—		57,873
General and administrative		10,180		6,208		959		17,347
Facility idling		—		574		—		574
Depreciation		22,063		13,133		—		35,196
Accretion of asset retirement obligations		—		44		—		44
Loss on settlement of asset retirement obligations		—		341		—		341
Gain on asset sale		(242)		(3)		—		(245)
Total operating expenses		56,119		54,052		959		111,130
Operating income	$	134,186		15,118		(959)		148,345
Equity in earnings of unconsolidated affiliates	$	24,456		—		—		24,456
Additions to property and equipment, net	$	29,197		13,760		—		42,957

(1) Certain expenses that are not directly attributable to gathering and processing and water handling are managed and evaluated on a consolidated basis.

The summarized total assets of the Company’s reportable segments are as follows:

			(Unaudited)
	December 31,		March 31,
(in thousands)	2022		2023
Gathering and Processing	$	4,711,069		4,692,529
Water Handling		1,079,297		1,076,653
Unallocated (1)		954		1,345
Total assets	$	5,791,320		5,770,527

(1) Certain assets that are not directly attributable to gathering and processing and water handling are managed and evaluated on a consolidated basis.

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Intangibles - Customer Relationships (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Finite lived intangible assets rollforward
Balance - beginning of period	$ 1,286,103
Amortization of customer relationships	(17,668)	$ (17,668)
Balance - end of period	1,268,435
Customer relationships
Finite lived intangible assets rollforward
Balance - beginning of period	1,286,103
Amortization of customer relationships	(17,668)
Balance - end of period	$ 1,268,435
Customer relationships | Weighted Average
Finite lived intangible assets
Amortization period	19 years

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Intangibles - Future amortization expense (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Future amortization expense
Total	$ 1,268,435	$ 1,286,103
Customer relationships
Future amortization expense
Remainder of year ending December 31, 2023	53,004
Year ending December 31, 2024	70,672
Year ending December 31, 2025	70,672
Year ending December 31, 2026	70,672
Year ending December 31, 2027	70,672
Thereafter	932,743
Total	$ 1,268,435	$ 1,286,103

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Transactions with Affiliates (Details) - Antero - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Allocation of costs
Direct labor expenses	$ 4	$ 3
General and administrative expense	$ 8	$ 9

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Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Gathering And Compression Agreement
Agreements
Notice period	180 days
Rebate issued	$ 12	$ 12
Water Handling Agreement
Agreements
Notice period	180 days
Third party out of pocket costs reimbursement markup (as a percent)	3.00%

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Revenue - Minimum Volume Commitments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Gathering And Compression Agreement
Lessor, Operating Leases
Minimum volume commitment that require Antero to pay for high pressure lines	75.00%
Minimum volume commitment that require Antero to pay for compressor stations	70.00%
Term of new construction	10 years
Rate of return on new construction from service fee	13.00%
Time period to earn targeted rate of return from service fee	7 years
Minimum future lease cash flows to be received by the Company
Remainder of year ending December 31, 2023	$ 232,582
Year ending December 31, 2024	316,492
Year ending December 31, 2025	298,143
Year ending December 31, 2026	284,327
Year ending December 31, 2027	224,150
Thereafter	382,434
Total	$ 1,738,128
Acquired Gathering and Compression Agreement
Lessor, Operating Leases
Minimum volume commitment that require Antero to pay for compressor stations	25.00%
Term of new construction	10 years

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Revenue - Transaction Price Allocation and Contract Balances (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Revenue
Original expected duration	true
Receivables from contracts with customers and operating leases	$ 95	$ 86

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Revenue - Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue
Amortization of customer relationships	$ (17,668)	$ (17,668)
Total revenue	259,475	218,491
Gathering And Processing.
Disaggregation of Revenue
Amortization of customer relationships	(9,271)	(9,271)
Water Handling.
Disaggregation of Revenue
Amortization of customer relationships	(8,397)	(8,397)
Fixed Fee | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	211,576	194,443
Fixed Fee | Water Handling.
Disaggregation of Revenue
Total operating revenues	47,099	32,439
Cost plus 3% | Water Handling.
Disaggregation of Revenue
Total operating revenues	$ 24,445	$ 15,638
Third party out of pocket costs reimbursement markup (as a percent)	3.00%	3.00%
Cost of service fee | Water Handling.
Disaggregation of Revenue
Total operating revenues	$ 6,023	$ 5,639
Gathering-low pressure | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	99,637	89,437
Gathering-low pressure fee rebate | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	(12,000)	(12,000)
Gathering-low pressure fee rebate | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	(12,000)	(12,000)
Gathering-high pressure | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	53,549	53,394
Compression | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	58,390	51,612
Fresh water delivery | Water Handling.
Disaggregation of Revenue
Total operating revenues	46,826	32,044
Other fluid handling | Water Handling.
Disaggregation of Revenue
Total operating revenues	$ 30,741	$ 21,672

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Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Property and Equipment
Total property and equipment	$ 4,181,407	$ 4,148,700
Less accumulated depreciation	(432,187)	(397,269)
Property and equipment, net	3,749,220	3,751,431
Land.
Property and Equipment
Total property and equipment	31,668	31,668
Gathering systems and facilities
Property and Equipment
Total property and equipment	3,299,456	3,281,872
Residual value	$ 0	$ 0
Gathering systems and facilities | Minimum
Property and Equipment
Estimated useful lives	40 years	40 years
Gathering systems and facilities | Maximum
Property and Equipment
Estimated useful lives	50 years	50 years
Permanent buried pipelines and equipment
Property and Equipment
Total property and equipment	$ 629,253	$ 601,347
Permanent buried pipelines and equipment | Minimum
Property and Equipment
Estimated useful lives	7 years	7 years
Permanent buried pipelines and equipment | Maximum
Property and Equipment
Estimated useful lives	20 years	20 years
Surface pipelines and equipment
Property and Equipment
Total property and equipment	$ 71,179	$ 66,726
Surface pipelines and equipment | Minimum
Property and Equipment
Estimated useful lives	1 year	1 year
Surface pipelines and equipment | Maximum
Property and Equipment
Estimated useful lives	7 years	7 years
Heavy trucks and equipment
Property and Equipment
Total property and equipment	$ 5,157	$ 5,157
Heavy trucks and equipment | Minimum
Property and Equipment
Estimated useful lives	3 years	3 years
Heavy trucks and equipment | Maximum
Property and Equipment
Estimated useful lives	5 years	5 years
Above ground storage tanks
Property and Equipment
Total property and equipment	$ 5,130	$ 2,953
Above ground storage tanks | Minimum
Property and Equipment
Estimated useful lives	5 years	5 years
Above ground storage tanks | Maximum
Property and Equipment
Estimated useful lives	10 years	10 years
Construction-in-progress
Property and Equipment
Total property and equipment	$ 139,564	$ 158,977

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Property and Equipment - Acquisitions (Details) $ in Thousands			3 Months Ended
	Dec. 21, 2022 USD ($) item MMcf / d	Oct. 25, 2022 USD ($) MMcf / d item	Mar. 31, 2023 USD ($)
Property and Equipment
Cash payments			$ 263
Crestwood Equity Partners LP | Marcellus gas gathering and compression assets
Property and Equipment
Cash payments		$ 205,000
Number of miles pipeline acquired | item		72
Number of compressor stations acquired | item		9
Dry gas compression capacity | MMcf / d		700
Land		$ 3,000
Gathering systems and facilities		$ 202,000
EnLink | Utica compression assets
Property and Equipment
Cash payments	$ 10,000
Number of compressor stations acquired | item	4
Dry gas compression capacity | MMcf / d	380

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Long-Term Debt (Details) - USD ($) $ in Thousands					3 Months Ended
	Jun. 08, 2021	Nov. 10, 2020	Jun. 28, 2019	Feb. 25, 2019	Mar. 31, 2023	Dec. 31, 2022	Mar. 12, 2019
Long-term debt
Total principal					$ 3,351,100	$ 3,382,000
Unamortized debt premiums					1,598	1,698
Unamortized debt issuance costs					(21,378)	(22,416)
Total long-term debt					$ 3,331,320	3,361,282
Credit Facilities | Minimum | Antero Midstream Partners
Long-term debt
Commitment fees on the unused portion (as a percent)					0.25%
Credit Facilities | Maximum | Antero Midstream Partners
Long-term debt
Commitment fees on the unused portion (as a percent)					0.375%
Credit Facility | Antero Midstream Partners
Long-term debt
Total principal					$ 751,100	782,000
Outstanding letters of credit					$ 0	$ 0
Weighted average interest rate (as a percent)					6.64%	6.17%
Current borrowing capacity					$ 1,250,000	$ 1,250,000
Available borrowing capacity					$ 499,000
5.375% Senior Notes Due 2024 | Finance Corp and together with Antero Midstream Partners
Long-term debt
Interest rate (as a percent)					7.875%	7.875%
7.875% Senior Notes Due 2026
Long-term debt
Total long-term debt					$ 545,712	$ 545,416
7.875% Senior Notes Due 2026 | Finance Corp and together with Antero Midstream Partners
Long-term debt
Total principal					$ 550,000	$ 550,000
Interest rate (as a percent)		7.875%			5.75%	5.75%
Face amount		$ 550,000
Debt instrument redemption percentage upon change of control		101.00%
7.875% Senior Notes Due 2026 | Redemption period one | Finance Corp and together with Antero Midstream Partners
Long-term debt
Debt instrument redemption percentage		103.938%
7.875% Senior Notes Due 2026 | Redemption period two | Finance Corp and together with Antero Midstream Partners
Long-term debt
Debt instrument redemption percentage		100.00%
7.875% Senior Notes Due 2026 | Redemption period three | Finance Corp and together with Antero Midstream Partners
Long-term debt
Debt instrument redemption percentage		107.875%
Debt instrument redemption percentage with payment of premium and interest		100.00%
7.875% Senior Notes Due 2026 | Redemption period three | Maximum | Finance Corp and together with Antero Midstream Partners
Long-term debt
Percent of aggregate principal amount that can be redeemed		35.00%
5.75% Senior Notes Due 2027
Long-term debt
Total long-term debt					$ 646,780	$ 646,610
5.75% Senior Notes Due 2027 | Finance Corp and together with Antero Midstream Partners
Long-term debt
Total principal					$ 650,000	$ 650,000
Unamortized debt premiums							$ 3,300
Interest rate (as a percent)				5.75%	5.75%	5.75%
Face amount				$ 650,000
Debt instrument fair value							$ 653,300
Debt instrument redemption percentage upon change of control				101.00%
5.75% Senior Notes Due 2027 | Redemption period one | Finance Corp and together with Antero Midstream Partners
Long-term debt
Debt instrument redemption percentage				101.917%
5.75% Senior Notes Due 2027 | Redemption period two | Finance Corp and together with Antero Midstream Partners
Long-term debt
Debt instrument redemption percentage				100.00%
5.75% Senior Notes Due 2028
Long-term debt
Total long-term debt					$ 645,004	$ 644,776
5.75% Senior Notes Due 2028 | Finance Corp and together with Antero Midstream Partners
Long-term debt
Total principal					$ 650,000	$ 650,000
Interest rate (as a percent)			5.75%		5.375%	5.375%
Face amount			$ 650,000
Debt instrument redemption percentage upon change of control			101.00%
5.75% Senior Notes Due 2028 | Redemption period one | Finance Corp and together with Antero Midstream Partners
Long-term debt
Debt instrument redemption percentage			102.875%
5.75% Senior Notes Due 2028 | Redemption period two | Finance Corp and together with Antero Midstream Partners
Long-term debt
Debt instrument redemption percentage			100.00%
5.375% Senior Notes Due 2029
Long-term debt
Total long-term debt					$ 742,724	$ 742,480
5.375% Senior Notes Due 2029 | Finance Corp and together with Antero Midstream Partners
Long-term debt
Total principal	$ 750,000				$ 750,000	$ 750,000
Interest rate (as a percent)	5.375%
Debt instrument redemption percentage upon change of control	101.00%
5.375% Senior Notes Due 2029 | Redemption period one | Finance Corp and together with Antero Midstream Partners
Long-term debt
Debt instrument redemption percentage	102.688%
5.375% Senior Notes Due 2029 | Redemption period two | Finance Corp and together with Antero Midstream Partners
Long-term debt
Debt instrument redemption percentage	100.00%
5.375% Senior Notes Due 2029 | Redemption period three | Finance Corp and together with Antero Midstream Partners
Long-term debt
Debt instrument redemption percentage	105.375%
Debt instrument redemption percentage with payment of premium and interest	100.00%
5.375% Senior Notes Due 2029 | Redemption period three | Maximum | Finance Corp and together with Antero Midstream Partners
Long-term debt
Percent of aggregate principal amount that can be redeemed	35.00%

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Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accrued Liabilities
Capital expenditures	$ 11,156	$ 16,597
Operating expenses	11,509	11,118
Interest expense	40,756	37,947
Ad valorem taxes	3,559	5,661
Other	2,386	1,392
Total accrued liabilities	$ 69,366	$ 72,715

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Equity Based Compensation and Cash Awards (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended			3 Months Ended
	Mar. 19, 2019	Apr. 30, 2022	Jul. 31, 2020	Jan. 31, 2020	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Mar. 12, 2019
Common Stock
Number of units
Issuance of common stock upon conversion of performance share units (in shares)					148,000	188,000
AR LTIP
Additional disclosures
Equity based compensation expense allocated from Antero Resources					$ 0.1	$ 0.3
AM LTIP
Additional disclosures
Number of stock-based compensation awards authorized								15,398,901
Number of shares available for future grant under the Plan					3,971,135
Cash awards granted			$ 0.7	$ 2.2
Vesting period for cash awards			4 years	3 years
Cash awards accrued in other liabilities					$ 0.2		$ 0.5
AM LTIP RSUs
Number of units
Total awarded and unvested at the beginning of the period (in shares)					4,877,258
Granted (in shares)					3,094,153
Vested (in shares)					(235,049)
Forfeited (in shares)					(70,385)
Total awarded and unvested at the end of the period (in shares)					7,665,977
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per unit)					$ 9.79
Granted (in dollars per unit)					10.59
Vested (in dollars per unit)					7.62
Forfeited (in dollars per unit)					10.18
Total awarded and unvested at the end of the period (in dollars per unit)					$ 10.17
Additional disclosures
Unamortized expense					$ 61.0
Shares exchange ratio	1.8926
Weighted average period for recognizing unrecognized stock-based compensation expense					2 years 6 months
ROIC PSUs
Number of units
Total awarded and unvested at the beginning of the period (in shares)					439,935
Granted (in shares)					512,166
Total awarded and unvested at the end of the period (in shares)					952,101
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per unit)					$ 11.28
Granted (in dollars per unit)					10.58
Total awarded and unvested at the end of the period (in dollars per unit)					$ 10.90
Additional disclosures
Unamortized expense					$ 17.0
Weighted average period for recognizing unrecognized stock-based compensation expense					2 years 7 months 6 days
2022 ROIC PSUs
Additional disclosures
Vesting period		3 years
2022 ROIC PSUs | Minimum
Additional disclosures
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned		0.00%
2022 ROIC PSUs | Maximum
Additional disclosures
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned		200.00%

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Equity Based Compensation and Cash Awards - Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Equity based compensation
Equity based compensation expense	$ 6,327	$ 2,832
AM LTIP RSUs
Equity based compensation
Equity based compensation expense	5,061	2,488
ROIC PSUs
Equity based compensation
Equity based compensation expense	1,061	117
Equity awards issued to directors
Equity based compensation
Equity based compensation expense	$ 205	$ 227

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Cash Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands												3 Months Ended		12 Months Ended
	Apr. 12, 2023	Feb. 14, 2023	Feb. 08, 2023	Nov. 14, 2022	Nov. 09, 2022	Aug. 15, 2022	Aug. 10, 2022	May 16, 2022	May 11, 2022	Feb. 14, 2022	Feb. 09, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Cash dividends
Common stock dividends paid			$ 108,364		$ 107,705		$ 107,675		$ 109,296		$ 108,149	$ 108,364	$ 108,149
Preferred stock dividends paid												138	$ 138
Dividends paid												108,502		$ 433,375
Common stock dividends (in dollars per share)			$ 0.2250		$ 0.2250		$ 0.2250		$ 0.2250		$ 0.2250
Cash dividends declared per common share	$ 0.2250
Series A Preferred Stock
Cash dividends
Preferred stock dividends paid		$ 138		$ 137		$ 138		$ 137		$ 138
Cash dividend declared	$ 138
Dividends in arrears												$ 69

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Equity and Earnings Per Common Share (Details) - $ / shares	Mar. 12, 2019	Mar. 31, 2023	Dec. 31, 2022
Equity and Earnings Per Common Share
Number of preferred shares authorized	100,000,000	100,000,000	100,000,000
Series A Preferred Stock.
Equity and Earnings Per Common Share
Preferred stock, shares issued	10,000
Preferred stock dividend rate	5.50%
Dividend payment term	45 days
Redemption price per share	$ 1,000

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Equity and Earnings Per Common Share - Weighted Average Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Weighted Average Shares Outstanding
Basic weighted average common shares outstanding	478,612	477,646
Diluted weighted average number of shares outstanding	481,459	480,173
RSUs
Weighted Average Shares Outstanding
Add: Dilutive effect	1,687	1,382
Antidilutive securities excluded from computation of earnings per share	872	1
ROIC PSUs
Weighted Average Shares Outstanding
Add: Dilutive effect	207	225
Antidilutive securities excluded from computation of earnings per share	285
Series A Preferred Stock.
Weighted Average Shares Outstanding
Add: Dilutive effect of Series A preferred stock	953	920

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Equity and Earnings Per Common Share - Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Equity and Earnings Per Common Share
Net income	$ 86,507	$ 80,040
Less preferred stock dividends	(138)	(138)
Net income (loss) available to common shareholders	$ 86,369	$ 79,902
Net income per share-basic (in dollars per share)	$ 0.18	$ 0.17
Net income per share-diluted (in dollars per share)	$ 0.18	$ 0.17
Basic weighted average common shares outstanding	478,612	477,646
Weighted average common shares outstanding-diluted	481,459	480,173

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Fair Value Measurement (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair value measurement
Carrying Value	$ 3,331,320	$ 3,361,282
Senior Notes
Fair value measurement
Carrying Value	2,580,220	2,579,282
Senior Notes | Level 2
Fair value measurement
Fair Value	2,518,270	2,456,575
7.875% Senior Notes Due 2026
Fair value measurement
Carrying Value	545,712	545,416
7.875% Senior Notes Due 2026 | Level 2
Fair value measurement
Fair Value	559,735	556,985
5.75% Senior Notes Due 2027
Fair value measurement
Carrying Value	646,780	646,610
5.75% Senior Notes Due 2027 | Level 2
Fair value measurement
Fair Value	632,905	612,365
5.75% Senior Notes Due 2028
Fair value measurement
Carrying Value	645,004	644,776
5.75% Senior Notes Due 2028 | Level 2
Fair value measurement
Fair Value	621,530	601,575
5.375% Senior Notes Due 2029
Fair value measurement
Carrying Value	742,724	742,480
5.375% Senior Notes Due 2029 | Level 2
Fair value measurement
Fair Value	$ 704,100	$ 685,650

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Investments in Unconsolidated Affiliates (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) item mi	Mar. 31, 2022 USD ($)
Investments in unconsolidated affiliates
Balance at beginning of period	$ 652,767
Equity in earnings of unconsolidated affiliates	24,456	$ 23,232
Distributions from unconsolidated affiliates	(34,105)	$ (31,130)
Balance at end of period	$ 643,118
Joint Venture
Equity Method Investments
Ownership percentage	50.00%
Percentage of interest held by joint venture in third party fractionator in Ohio	33.33%
Number of fractionators | item	2
Investments in unconsolidated affiliates
Balance at beginning of period	$ 526,652
Equity in earnings of unconsolidated affiliates	22,630
Distributions from unconsolidated affiliates	(27,010)
Balance at end of period	$ 522,272
Stonewall
Equity Method Investments
Ownership percentage	15.00%
Number of miles of pipeline | mi	67
Investments in unconsolidated affiliates
Balance at beginning of period	$ 126,115
Equity in earnings of unconsolidated affiliates	1,826
Distributions from unconsolidated affiliates	(7,095)
Balance at end of period	$ 120,846

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Contingencies (Details) - Lawsuit with Veolia Water Technologies, Inc. - Pending Litigation - USD ($)	Apr. 10, 2023	Jan. 27, 2023	Jan. 03, 2023	Feb. 24, 2022
Contingencies
Antero Treatment damages sought				$ 450,000,000
Antero Treatment damages sought related to multiple breaches				370,000,000
Veolia damages sought				$ 118,000,000
Claims for breach of contract and fraud awarded to Antero		$ 309	$ 242,000,000
Reduction by the court in claims for breach of contract and fraud awarded to Antero	$ 27,000,000

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Reportable Segments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) segment item	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Reporting Segments
Number of reportable segments | segment	2
Revenues:
Amortization of customer relationships	$ (17,668)	$ (17,668)
Total revenue	259,475	218,491
Operating expenses:
Direct operating	57,873	42,012
General and administrative	17,347	17,931
Facility idling	574	1,148
Depreciation	35,196	28,300
Accretion of asset retirement obligations	44	64
Loss on settlement of asset retirement obligations	341
Gain on asset sale	(245)	(118)
Total operating expenses	111,130	89,337
Operating income	148,345	129,154
Equity in earnings of unconsolidated affiliates	24,456	23,232
Additions to property and equipment, net	42,957	84,267
Total assets	5,770,527		$ 5,791,320
Antero
Revenues:
Total operating revenues	276,871	235,764
Third party
Revenues:
Total operating revenues	272	395
Gathering And Processing.
Revenues:
Amortization of customer relationships	$ (9,271)	(9,271)
Water Handling
Reporting Segments
Number of independent fresh water systems | item	2
Revenues:
Amortization of customer relationships	$ (8,397)	(8,397)
Operating Segments | Gathering And Processing.
Revenues:
Amortization of customer relationships	(9,271)	(9,271)
Total revenue	190,305	173,172
Operating expenses:
Direct operating	24,118	17,182
General and administrative	10,180	9,701
Depreciation	22,063	15,807
Gain on asset sale	(242)	(31)
Total operating expenses	56,119	42,659
Operating income	134,186	130,513
Equity in earnings of unconsolidated affiliates	24,456	23,232
Additions to property and equipment, net	29,197	70,734
Total assets	4,692,529		4,711,069
Operating Segments | Gathering And Processing. | Antero
Revenues:
Total operating revenues	199,576	182,443
Operating Segments | Water Handling
Revenues:
Amortization of customer relationships	(8,397)	(8,397)
Total revenue	69,170	45,319
Operating expenses:
Direct operating	33,755	24,830
General and administrative	6,208	6,741
Facility idling	574	1,148
Depreciation	13,133	12,493
Accretion of asset retirement obligations	44	64
Loss on settlement of asset retirement obligations	341
Gain on asset sale	(3)	(87)
Total operating expenses	54,052	45,189
Operating income	15,118	130
Additions to property and equipment, net	13,760	13,533
Total assets	1,076,653		1,079,297
Operating Segments | Water Handling | Antero
Revenues:
Total operating revenues	77,295	53,321
Operating Segments | Water Handling | Third party
Revenues:
Total operating revenues	272	395
Unallocated
Operating expenses:
General and administrative	959	1,489
Total operating expenses	959	1,489
Operating income	(959)	$ (1,489)
Total assets	$ 1,345		$ 954