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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, 2024

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 No. 001-33666

Archrock, Inc.

(Exact name of registrant as specified in its charter)

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9807 Katy Freeway, Suite 100, Houston, Texas 77024

(Address of principal executive offices, zip code)

(281) 836-8000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

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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, a 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.

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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. ☐

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

Number of shares of the common stock of the registrant outstanding as of April 24, 2024: 156,286,457 shares.

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GLOSSARY

The following terms and abbreviations appearing in the text of this report have the meanings indicated below.

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FORWARD–LOOKING STATEMENTS

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This Quarterly Report on Form 10–Q (this “Form 10-Q”) contains “forward–looking statements” intended to qualify for the safe harbors from liability established by the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact contained in this Form 10–Q are forward–looking statements within the meaning of the Exchange Act, including, without limitation, our business growth strategy and projected costs; future financial position; the sufficiency of available cash flows to fund continuing operations and pay dividends; the expected amount of our capital expenditures; anticipated cost savings; future revenue, gross margin and other financial or operational measures related to our business; the future value of our equipment; and plans and objectives of our management for our future operations. You can identify many of these statements by words such as “believe,” “expect,” “intend,” “project,” “anticipate,” “estimate,” “will continue” or similar words or the negative thereof.

Such forward–looking statements are subject to various risks and uncertainties that could cause actual results to differ materially from those anticipated as of the date of this Form 10–Q. Although we believe that the expectations reflected in these forward–looking statements are based on reasonable assumptions, no assurance can be given that these expectations will prove to be correct. Known material factors that could cause our actual results to differ materially from the expectations reflected in these forward–looking statements include the risk factors described in our 2023 Form 10–K and those set forth from time to time in our filings with the SEC, which are available through our website at www.archrock.com and through the SEC’s website at www.sec.gov. These risk factors include, but are not limited to, risks related to pandemics and other public health crises; an increase in inflation; ongoing international conflicts and tensions; risks related to our operations; competitive pressures; inability to make acquisitions on economically acceptable terms; uncertainty to pay dividends in the future; risks related to a substantial amount of debt and our debt agreements; inability to access the capital and credit markets or borrow on affordable terms to obtain additional capital; inability to fund purchases of additional compression equipment; vulnerability to interest rate increases; uncertainty relating to the phasing out of LIBOR; erosion of the financial condition of our customers; .risks related to the loss of our most significant customers; uncertainty of the renewals for our contract operations service agreements; risks related to losing management or operational personnel; dependence on particular suppliers and vulnerability to product shortages and price increases; information technology and cybersecurity risks; tax-related risks; legal and regulatory risks, including climate-related and environmental, social and governance risks.

All forward–looking statements included in this Form 10–Q are based on information available to us on the date of this Form 10–Q. Except as required by law, we undertake no obligation to publicly update or revise any forward–looking statement, whether as a result of new information, future events or otherwise. All subsequent written and oral forward–looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by the cautionary statements contained throughout this Form 10–Q.

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PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

Archrock, Inc.

Condensed Consolidated Balance Sheets

(in thousands, except par value and share amounts)

(unaudited)

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

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Archrock, Inc.

Condensed Consolidated Statements of Operations

(in thousands, except per share amounts)

(unaudited)

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

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Archrock, Inc.

Condensed Consolidated Statements of Equity

(in thousands, except shares and per share amounts)

(unaudited)

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

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Archrock, Inc.

Condensed Consolidated Statements of Cash Flows

(in thousands)

(unaudited)

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

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements

1. Description of Business and Basis of Presentation

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We are an energy infrastructure company with a primary focus on midstream natural gas compression. We are a premier provider of natural gas compression services to customers in the energy industry throughout the U.S. and a leading supplier of aftermarket services to customers that own compression equipment in the U.S. We operate in two business segments: contract operations and aftermarket services. Our predominant segment, contract operations, primarily includes designing, sourcing, owning, installing, operating, servicing, repairing and maintaining our owned fleet of natural gas compression equipment to provide natural gas compression services to our customers. In our aftermarket services business, we sell parts and components and provide operations, maintenance, overhaul and reconfiguration services to customers who own compression equipment.

The accompanying unaudited consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and do not include all information and disclosures required by GAAP. Therefore, this information should be read in conjunction with our consolidated financial statements and notes contained in our 2023 Form 10-K. The information furnished herein reflects all adjustments that are, in the opinion of management, of a normal recurring nature and considered necessary for a fair statement of the results of the interim periods reported. All intercompany balances and transactions have been eliminated in consolidation. Operating results for the three months ended March 31, 2024 are not necessarily indicative of the results that may be expected for the year ending December 31, 2024.

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2. Recent Accounting Developments

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Accounting Standards Updates Not Yet Implemented

Income Tax Disclosures

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which will require significant additional disclosures, primarily focused on the disclosure of income taxes paid and the rate reconciliation table. ASU 2023-09 is effective for fiscal years beginning after December 15, 2024, and interim periods within fiscal years beginning after December 15, 2025 and should be applied on a prospective basis, with a retrospective option. Early adoption is permitted. We are evaluating the impact that the adoption of ASU 2023-09 will have on our consolidated financial statements and related disclosures.

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Segment Reporting

In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which will require disclosures of significant expenses for each reportable segment, as well as certain other disclosures to help investors understand how the chief operating decision maker evaluates segment expenses and operating results. ASU 2023-07 will also allow disclosure of multiple measures of segment profitability if those measures are used to allocate resources and assess performance. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024, and should be applied on a retrospective basis, unless impracticable. Early adoption is permitted. We are evaluating the impact that the adoption of ASU 2023-07 will have on our consolidated financial statements and related disclosures.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

Business Combinations – Joint Venture Formations

In August 2023, the FASB issued ASU 2023-05, to reduce diversity in practice and provide decision-useful information to a joint venture’s investors by requiring that a joint venture apply a new basis of accounting upon formation. By applying a new basis of accounting, a joint venture will recognize and initially measure its assets and liabilities at fair value, with exceptions to fair value measurement that are consistent with the business combinations guidance, on the date of formation. ASU 2023-05 is effective prospectively for all joint venture formations with a formation date on or after January 1, 2025.  Additionally, a joint venture that was formed before January 1, 2025, may elect to apply the amendments retrospectively if it has sufficient information to do so. Early adoption is permitted in any interim or annual period in which financial statements have not been issued or been made available for issuance, either prospectively or retrospectively. We expect that the adoption of ASU 2023-05 will have no impact on our consolidated financial statements.

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3. Inventory

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Inventory is comprised of the following:

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4. Property, Plant and Equipment, Net

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Property, plant and equipment, net is comprised of the following:

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5. Investments in Unconsolidated Affiliates

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Investments in which we are deemed to exert significant influence, but not control, are accounted for using the equity method of accounting, except in cases where the fair value option is elected. For such investments where we have elected the fair value option, the election is irrevocable and is applied on an investment–by–investment basis at initial recognition.

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In April 2022, we agreed to acquire for cash a 25% equity interest in ECOTEC, a company specializing in methane emissions detection, monitoring and management. We have elected the fair value option to account for this investment, and during the three months ended March 31, 2023, we recognized an unrealized loss of $0.3 million related to the change in fair value of our investment (see Note 14 (“Fair Value Measurements”)). Changes in the fair value of this investment are recognized in other (income) expense, net in our consolidated statements of operations. As of March 31, 2024, our ownership interest in ECOTEC is 25%, which is included in other assets in our consolidated balance sheets.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

For ownership interests that are not accounted for under the equity method and that do not have readily determinable fair values, we have elected the fair value measurement alternative to record these investments at cost minus impairment, if any, including adjustments for observable price changes in orderly transactions for an identical or similar investment of the same issuer. Investments in equity securities measured using the fair value measurement alternative are reviewed for impairment or observable price changes in orderly transactions each reporting period.

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In November 2023, we agreed to serve as the lead investor in a series A preferred financing round for Ionada, a global carbon capture technology company committed to reducing GHG emissions and creating a sustainable future. Ionada has developed a post-combustion carbon capture solution to reduce carbon dioxide emissions from various small to mid-sized industrial emitters in the energy, marine and e-fuels industries, among others. We have elected the fair value measurement alternative to account for this investment (see Note 14 (“Fair Value Measurements”)). Adjustments to the carrying value are recognized in other (income) expense, net in our condensed consolidated statements of operations. Our initial investment in Ionada was $3.8 million and as of March 31, 2024, our fully diluted ownership interest in Ionada is 10%, which is included in other assets in our consolidated balance sheets. Subject to certain conditions, our ownership interest will increase to 24% over the next two years.

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6. Long-Term Debt

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Long–term debt is comprised of the following:

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As of March 31, 2024, there were $3.8 million letters of credit outstanding under the Credit Facility and the applicable margin on borrowings outstanding was 2.2%. The weighted average annual interest rate on the outstanding balance under the Credit Facility was 7.8% and 7.7% at March 31, 2024 and December 31, 2023, respectively. We incurred $0.4 million and $0.5 million of commitment fees on the daily unused amount of the Credit Facility during the three months ended March 31, 2024 and 2023, respectively.

As of March 31, 2024, we were in compliance with all covenants under our Credit Facility agreement. Additionally, all undrawn capacity on our Credit Facility was available for borrowings as of March 31, 2024.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

Amended and Restated Credit Agreement

On May 16, 2023, we amended and restated our Credit Facility to, among other things:

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During the second quarter of 2023, we incurred $6.0 million in transaction costs related to the Amended and Restated Credit Agreement, which were included in other assets in our condensed consolidated balance sheets and are being amortized over the remaining term of the Credit Facility. In addition, during the second quarter of 2023, we wrote off $1.0 million of unamortized deferred financing costs as a result of the Amended and Restated Credit Agreement, which was recorded to interest expense in our condensed consolidated statements of operations.

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7. Commitments and Contingencies

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Insurance Matters

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Our business can be hazardous, involving unforeseen circumstances such as uncontrollable flows of natural gas or well fluids and fires or explosions. As is customary in our industry, we review our safety equipment and procedures and carry insurance against some, but not all, risks of our business. Our insurance coverage includes property damage, general liability and commercial automobile liability and other coverage we believe is appropriate. We believe that our insurance coverage is customary for the industry and adequate for our business, however, losses and liabilities not covered by insurance would increase our costs.

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Additionally, we are substantially self–insured for workers’ compensation and employee group health claims in view of the relatively high per–incident deductibles we absorb under our insurance arrangements for these risks. Losses up to the deductible amounts are estimated and accrued based upon known facts, historical trends and industry averages. We are also self–insured for property damage to our offshore assets.

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Tax Matters

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We are subject to a number of state and local taxes that are not income–based. As many of these taxes are subject to audit by the taxing authorities, it is possible that an audit could result in additional taxes due. We accrue for such additional taxes when we determine that it is probable that we have incurred a liability and we can reasonably estimate the amount of the liability. As of March 31, 2024 and December 31, 2023, we had $4.1 million and $3.9 million, respectively, accrued for the outcomes of non–income–based tax audits. We do not expect that the ultimate resolutions of these audits will result in a material variance from the amounts accrued. We do not accrue for unasserted claims for tax audits unless we believe the assertion of a claim is probable, it is probable that it will be determined that the claim is owed and we can reasonably estimate the claim or range of the claim. We believe the likelihood is remote that the impact of potential unasserted claims from non–income–based tax audits could be material to our consolidated financial position, but it is possible that the resolution of future audits could be material to our consolidated results of operations or cash flows.

During the years ended December 31, 2022 and 2021, certain of our sales and use tax audits advanced from the audit review phase to the contested hearing phase. As of March 31, 2024 and December 31, 2023, we accrued $0.6 million for these audits.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

Litigation and Claims

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In the ordinary course of business, we are involved in various pending or threatened legal actions. While we are unable to predict the ultimate outcome of these actions, we believe that any ultimate liability arising from any of these actions will not have a material adverse effect on our consolidated financial position, results of operations or cash flows, including our ability to pay dividends. However, because of the inherent uncertainty of litigation and arbitration proceedings, we cannot provide assurance that the resolution of any particular claim or proceeding to which we are a party will not have a material adverse effect on our consolidated financial position, results of operations or cash flows, including our ability to pay dividends.

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8. Stockholders’ Equity

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Share Repurchase Program

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On April 27, 2023, our Board of Directors authorized a share repurchase program that allowed us to repurchase up to $50.0 million of outstanding common stock. Under the Share Repurchase Program, shares of our common stock may be repurchased periodically, including in the open market, privately negotiated transactions, or otherwise in accordance with applicable federal securities laws, at any time. On April 25, 2024, our Board of Directors approved an extension of the Share Repurchase Program upon expiry of the current authorization on April 27, 2024, for an additional twenty-four-month period. Through March 31, 2024, the Company had repurchased 833,346 common shares at an average price of $12.11 per share for an aggregate of $10.1 million.  In connection with the extension, the Board of Directors replenished the amount of shares authorized for repurchase under the Share Repurchase Program, resulting in available capacity of $50.0 million. The actual timing, manner, number, and value of shares repurchased under the program will be determined by us at our discretion.

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The following table summarizes shares repurchased under the Share Repurchase Program:

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Cash Dividends

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The following table summarizes our dividends declared and paid in each of the quarterly periods of 2024 and 2023:

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On April 25, 2024, our Board of Directors declared a quarterly dividend of $0.165 per share of common stock to be paid on May 14, 2024 to stockholders of record at the close of business on May 7, 2024.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

9. Revenue from Contracts with Customers

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The following table presents our revenue from contracts with customers by segment and disaggregated by revenue source:

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See Note 16 (“Segment Information”) for further information on segments.

Performance Obligations

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As of March 31, 2024, we had $569.7 million of remaining performance obligations related to our contract operations segment, which will be recognized through 2029 as follows:

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We do not disclose the aggregate transaction price for the remaining performance obligations for aftermarket services as there are no contracts with customers with an original contract term that is greater than one year.

Contract Assets and Liabilities

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Contract Assets

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As March 31, 2024 and December 31, 2023, our receivables from contracts with customers, net of allowance for credit losses, were $95.9 million and $119.7 million, respectively.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

Allowance for Credit Losses

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Our allowance for credit losses balance changed as follows during the three months ended March 31, 2024:

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Contract Liabilities

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Freight billings to customers for the transport of compression assets, customer–specified modifications of compression assets and milestone billings on aftermarket services often result in a contract liability. As of March 31, 2024 and December 31, 2023, our contract liabilities were $7.2 million and $7.0 million, respectively.

During the three months ended March 31, 2024, we deferred revenue of $3.1 million and recognized $2.9 million as revenue. The revenue recognized during the period primarily related to freight billings and milestone billings on aftermarket services.

10. Long-Lived and Other Asset Impairment

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We review long–lived assets, including property, plant and equipment and identifiable intangibles that are being amortized, for impairment whenever events or changes in circumstances, including the removal of compressors from our active fleet, indicate that the carrying amount of an asset may not be recoverable.

Compression Fleet

We periodically review the future deployment of our idle compression assets for units that are not of the type, configuration, condition, make or model that are cost efficient to maintain and operate. Based on these reviews, we determine that certain idle compressors should be retired from the active fleet. The retirement of these units from the active fleet triggers a review of these assets for impairment and as a result of our review, we may record an asset impairment to reduce the book value of each unit to its estimated fair value. The fair value of each unit is estimated based on the expected net sale proceeds compared to other fleet units we recently sold, a review of other units recently offered for sale by third parties or the estimated component value of the equipment we plan to use.

In connection with our review of our idle compression assets, we evaluate for impairment idle units that were culled from our fleet in prior years and are available for sale. Based on that review, we may reduce the expected proceeds from disposition and record additional impairment to reduce the book value of each unit to its estimated fair value.

The following table presents the results of our compression fleet impairment review as recorded in our contract operations segment:

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See Note 14 (“Fair Value Measurements”) for further details on fair value accounting.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

11. Restructuring Charges

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During the first quarter of 2023, a plan to further streamline our organization and more fully align our teams to improve our customer service and profitability was approved by management. While we did not incur restructuring charges during the three months ended March 31, 2024, we expect to incur additional restructuring charges of $0.1 million related to these restructuring activities.

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The following table presents restructuring charges incurred by segment during the three months ended March 31, 2023:

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The following table presents restructuring charges incurred by cost type:

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12. Income Taxes

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Valuation Allowance

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The amount of our deferred tax assets considered realizable could be adjusted if projections of future taxable income are reduced or objective negative evidence in the form of a three–year cumulative loss is present or both. Should we no longer have a level of sustained profitability, excluding nonrecurring charges, we will have to rely more on our future projections of taxable income to determine if we have an adequate source of taxable income for the realization of our deferred tax assets, namely net operating loss, interest expense limitation and tax credit carryforwards. This may result in the need to record a valuation allowance against all or a portion of our deferred tax assets.

Effective Tax Rate

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The year-to-date effective tax rate for the three months ended March 31, 2024 differed significantly from our statutory rate primarily due to state taxes, unrecognized tax benefits and the limitation on executive compensation offset by the benefit from equity-settled long term incentive compensation.

Unrecognized Tax Benefits

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As of March 31, 2024, we believe it is reasonably possible that $3.3 million of our unrecognized tax benefits, including penalties, interest and discontinued operations, will be reduced prior to March 31, 2025 due to the settlement of audits or the expiration of statutes of limitations or both. However, due to the uncertain and complex application of the tax regulations, it is possible that the ultimate resolution of these matters may result in liabilities that could materially differ from this estimate.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

13. Earnings Per Common Share

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Basic earnings per common share is computed using the two–class method, which is an earnings allocation formula that determines earnings per share for each class of common stock and participating security according to dividends declared and participation rights in undistributed earnings. Under the two–class method, basic earnings per common share is determined by dividing net income, after deducting amounts allocated to participating securities, by the weighted average number of common shares outstanding for the period. Participating securities include unvested restricted stock and stock–settled restricted stock units that have nonforfeitable rights to receive dividends or dividend equivalents, whether paid or unpaid. During periods of net loss, only distributed earnings (dividends) are allocated to participating securities, as participating securities do not have a contractual obligation to participate in our undistributed losses.

Diluted earnings per common share is computed using the weighted average number of common shares outstanding adjusted for the incremental common stock equivalents attributed to outstanding performance–based restricted stock units and stock to be issued pursuant to our ESPP unless their effect would have been anti–dilutive.

The following table shows the calculation of net income attributable to common stockholders, which is used in the calculation of basic and diluted earnings per common share, potential shares of common stock that were included in computing diluted earnings per common share and the potential shares of common stock issuable that were excluded from computing diluted earnings per common share as their inclusion would have been anti–dilutive:

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14. Fair Value Measurements

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Assets and Liabilities Measured at Fair Value on a Recurring Basis

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As of March 31, 2024, we owned a 25% equity interest in ECOTEC (see Note 5 (“Investments in Unconsolidated Affiliates”)). We have elected the fair value option to account for this investment. The fair value determination of this investment primarily consisted of unobservable inputs, which creates uncertainty in the measurement of fair value as of the reporting date. The significant unobservable inputs used in the fair value measurement, which was valued through an average of an income approach (discounted cash flow method) and a market approach (guideline public company method), are the WACC and the revenue multiples. Significant increases (decreases) in these inputs in isolation would result in a significantly higher (lower) fair value measurement. As of March 31, 2024, the fair value of our investment in ECOTEC was $14.9 million.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

This fair value measurement is classified as Level 3. The significant unobservable inputs are as follows:

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The reconciliation of changes in the fair value of our investment in ECOTEC is as follows:

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See Note 5 (“Investments in Unconsolidated Affiliates”) for further details.

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Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

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Investment in Ionada

As of March 31, 2024, we had a fully diluted ownership equity interest in Ionada of 10% (see Note 5 (“Investments in Unconsolidated Affiliates”)). We have elected the fair value measurement alternative to account for this investment. As of March 31, 2024, the carrying value of our investment in Ionada was $4.3 million.

The reconciliation of changes in the carrying value of our investment in Ionada is as follows:

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Subject to certain contractual conditions, we will invest, on the same terms and conditions as the initial investment, $1.2 million on November 1, 2024, $1.3 million on November 1, 2025, and $4.8 million prior to July 1, 2026, for a fully diluted ownership interest of 12%, 15% and 24%, respectively.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

Compressors

During the three months ended March 31, 2024, we recorded nonrecurring fair value measurements related to our idle compressors. Our estimate of the compressors’ fair value was primarily based on the expected net sale proceeds compared with other fleet units we recently sold and/or a review of other units recently offered for sale by third parties, or the estimated component value of the equipment we plan to use. We discounted the expected proceeds, net of selling and other carrying costs, using a weighted average disposal period of four years. These fair value measurements are classified as Level 3. The fair value of our compressors impaired as of March 31, 2024 and December 31, 2023 was as follows:

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The significant unobservable inputs used to develop the above fair value measurements were weighted by the relative fair value of the compressors being measured. Additional quantitative information related to our significant unobservable inputs follows:

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See Note 10 (“Long-Lived and Other Asset Impairments”) for further details.

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Other Financial Instruments

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The carrying amounts of our cash, accounts receivable and accounts payable approximate fair value due to the short–term nature of these instruments.

The carrying amount of borrowings outstanding under our Credit Facility approximates fair value due to the variable interest rate. The measurement of the fair value of these outstanding borrowings is a Level 3 measurement.

The fair value of our fixed rate debt is estimated using yields observable in active markets, which are Level 2 inputs, and was as follows:

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15. Related Party Transactions

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From August 2019 to present, our Board of Directors has included a member affiliated with our customer Hilcorp or its subsidiaries or affiliates. Revenue from Hilcorp and affiliates was $10.5 million and $9.1 million during the three months ended March 31, 2024 and 2023, respectively. Accounts receivable, net due from Hilcorp and affiliates was $3.6 million and $3.8 million as of March 31, 2024 and December 31, 2023, respectively.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

16. Segment Information

We manage our business segments primarily based on the type of product or service provided. We have two segments that we operate within the U.S.: contract operations and aftermarket services. Our contract operations segment primarily provides natural gas compression services to meet specific customer requirements. Our aftermarket services segment provides a full range of services to support the compression needs of customers, from parts sales and normal maintenance services to full operation of a customer’s owned assets.

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We evaluate the performance of our segments based on gross margin, defined as revenue less cost of sales (excluding depreciation and amortization) for each segment. Segment revenue includes only sales to external customers.

Summarized financial information for our reporting segments is shown below:

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The following table reconciles total gross margin to income before income taxes:

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