Biggest changeWe had a liability of $2.7 million recorded for potential penalties and interest (including discontinued operations) related to these unrecognized tax benefits at December 31, 2024, which we are uncertain as to if or when such amounts may be settled.
Biggest changeWe had a liability of $2.8 million recorded for potential penalties and interest (including discontinued operations) related to these unrecognized tax benefits at December 31, 2025, which we are uncertain as to if or when such amounts may be settled. 51 Table of Contents Sources of Cash Credit Facility On December 12, 2025, we amended our Amended and Restated Credit Agreement to, among other things, remove the 0.10% per annum credit spread adjustment that was previously included in the calculation of the interest rate applicable to the loans made under the Credit Facility, decrease the applicable margin for all borrowings by 0.25% per annum such that the applicable margin for borrowings varies and decrease the commitment fee payable on the daily unused amount of the Credit Facility from 0.375% per annum to 0.25% per annum when less than 50% of the Credit Facility is utilized.
As an indicator of our operating performance, adjusted gross margin should not be considered an alternative to, or more meaningful than, gross margin, net income (loss) or any other measure presented in accordance with GAAP.
As an indicator of our operating performance, adjusted gross margin should not be considered an alternative to, or more meaningful than, gross margin, net income or any other measure presented in accordance with GAAP.
Impairment Assessments of Property, Plant and Equipment and Identifiable Intangible Assets We review long–lived assets, which include property, plant and equipment and intangibles assets 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.
Impairment Assessments of Property, Plant and Equipment, Goodwill and Identifiable Intangible Assets We review long–lived assets, which include property, plant and equipment, goodwill and intangible assets 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.
In addition, increased focus of our customers on reducing emissions from, or the use of, combustion engines in compression could increase demand for electric motor-driven compressors or require us to make modifications to our existing natural gas-powered units.
In addition, increased focus of our customers on reducing emissions from, or the use of, combustion engines in compression could increase demand for electric compressors or require us to make modifications to our existing natural gas-powered units.
While we anticipate that the combination of commodity prices and demand may likely have a positive impact on activity levels in both the upstream and midstream sectors, we cannot predict the ultimate magnitude of that impact on our business and expect it to be varied across our operations, depending on the region, customer, nature of our services, contract term and other factors.
While we anticipate that the combination of natural gas prices and demand may likely have a positive impact on activity levels in both the upstream and midstream sectors, we cannot predict the ultimate magnitude of that impact on our business and expect it to be varied across our operations, depending on the region, customer, nature of our services, contract term and other factors.
Such repurchases or exchanges, if any, may be material, will be upon terms and prices as we may determine and will depend on prevailing market conditions, our liquidity requirements, contractual restrictions and other factors. 45 Table of Contents Cash Requirements Our contract operations business is capital intensive, requiring significant investment to maintain and upgrade existing operations.
Such repurchases or exchanges, if any, may be material, will be upon terms and prices as we may determine and will depend on prevailing market conditions, our liquidity requirements, contractual restrictions and other factors. Cash Requirements Our contract operations business is capital intensive, requiring significant investment to maintain and upgrade existing operations.
Our Amended and Restated Credit Agreement requires that we meet certain financial ratios (see Note 16 (“Long-Term Debt”)) and contains various additional covenants including, but not limited to, mandatory prepayments from the net cash proceeds of certain asset transfers, restrictions on the use of proceeds from borrowings and limitations on our ability to incur additional indebtedness, engage in transactions with affiliates, merge or consolidate, sell assets, make certain investments and acquisitions, make loans, grant liens, repurchase equity and pay distributions.
Our Amended and Restated Credit Agreement requires that we meet certain financial ratios and contains various additional covenants including, but not limited to, mandatory prepayments from the net cash proceeds of certain asset transfers, restrictions on the use of proceeds from borrowings and limitations on our ability to incur additional indebtedness, engage in transactions with affiliates, merge or consolidate, sell assets, make certain investments and acquisitions, make loans, grant liens, repurchase equity and pay distributions.
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.
We are a premier provider of natural gas compression services, in terms of total compression fleet horsepower, 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 contract operations services primarily include 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.
Our contract operations business 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 addition, we had $19.5 million of unrecognized tax benefits (including discontinued operations) recorded as liabilities related to uncertain tax positions at December 31, 2024, which are uncertain as to if or when such amounts may be settled.
In addition, we had $31.3 million of unrecognized tax benefits (including discontinued operations) recorded as liabilities related to uncertain tax positions at December 31, 2025, which are uncertain as to if or when such amounts may be settled.
The $10.0 million of issuance costs were recorded as deferred financing costs within long-term debt in our consolidated balance sheets and are being amortized to interest expense in our consolidated statement of operations over the term of the notes.
In January 2026, the approximately $10.6 million of issuance costs were recorded as deferred financing costs within long-term debt in our consolidated balance sheets and are being amortized to interest expense in our consolidated statement of operations over the term of the notes.
These limitations are primarily due to the exclusion of SG&A, depreciation and amortization, long-lived and other asset impairments, restructuring charges, debt extinguishment loss, interest expense, transaction-related costs, gain on sale of assets, net, other expense (income), net and provision for income taxes.
These limitations are primarily due to the exclusion of SG&A, depreciation and amortization, long-lived and other asset impairment, restructuring charges, debt extinguishment loss, interest expense, transaction-related costs, gain on sale of assets, net, other expense, net, provision for income taxes and equity in net loss of unconsolidated affiliate.
Likewise, if the estimated useful life is increased, the adjustment to the useful life would decrease depreciation expense per year on a prospective basis. Impairment of Assets During the year ended December 31, 2024, we recorded long–lived and other asset impairments of $10.7 million.
Likewise, if the estimated useful life is increased, the adjustment to the useful life would decrease depreciation expense per year on a prospective basis. Impairment of Assets During the year ended December 31, 2025, we recorded long–lived and other asset impairments of $18.3 million.
Such differences are reflected as increases or decreases to income tax expense in the period in which the new information becomes available. Recent Accounting Developments See Note 3 (“Recent Accounting Developments”) to our Financial Statements.
Such differences are reflected as increases or decreases to income tax expense in the period in which the new information becomes available. Recent Accounting Developments See Note 3 (“Recent Accounting Developments”) for further details.
Changes in tax laws and rates could also affect recorded deferred tax assets and liabilities in the future. Aside from the budget reconciliation process currently occurring in Congress, management is not aware of any such changes that would have a material effect on our financial position, results of operations or cash flows.
Changes in tax laws and rates could also affect recorded deferred tax assets and liabilities in the future. Management is not aware of any such changes that would have a material effect on our financial position, results of operations or cash flows.
In order to improve our operations and further reduce operating expenses, we invested and continue to invest significant resources into a process and technology transformation project that has, among other things, replaced our former ERP, supply chain and inventory management systems and expanded the remote monitoring capabilities of our compression fleet.
In order to improve our operations and further reduce operating expenses, we continue to invest significant resources into process and technology transformation that has, among other things, enhanced certain technology, supply chain and inventory management systems, replaced network infrastructure and expanded the remote monitoring capabilities of our compression fleet.
Our Credit Facility matures on May 16, 2028 (or December 2, 2026 or December 3, 2027, as applicable, if any portion of our 2027 Senior Notes and 2028 Senior Notes, respectively, remain outstanding at such date) and has an aggregate revolving commitment of $1.1 billion.
Our Credit Facility matures on May 16, 2028 (or December 3, 2027 if any portion of our 2028 Notes remain outstanding at such date) and has an aggregate revolving commitment of $1.5 billion.
Outlook The EIA Outlook forecasts the following year–over–year changes: Year Ended December 31, 2025 2026 U.S. dry natural gas production 2 % 2 % U.S. oil production 3 % 1 % U.S. natural gas domestic consumption 1 % (1) % Liquefied natural gas exports 17 % 16 % The EIA Outlook expects natural gas production to continue to increase to all-time highs in 2025 and 2026.
Outlook The EIA Outlook forecasts the following year–over–year changes: Year Ended December 31, 2026 2027 U.S. dry natural gas production 1 % 1 % U.S. oil production 0 % (3) % U.S. natural gas domestic consumption (1) % 1 % Liquefied natural gas exports 9 % 10 % The EIA Outlook expects natural gas production to continue to increase to all-time highs in 2026 and 2027.
The following table presents the results of our compression fleet impairment review, as recorded in our contract operations segment: Year Ended December 31, (dollars in thousands) 2024 2023 Idle compressors retired from the active fleet 95 105 Horsepower of idle compressors retired from the active fleet 66,000 53,000 Impairment recorded on idle compressors retired from the active fleet $ 10,681 $ 12,034 Restructuring charges .
The following table presents the results of our compression fleet impairment review, as recorded in our contract operations segment: Year Ended December 31, (dollars in thousands) 2025 2024 Idle compressors retired from the active fleet 90 95 Horsepower of idle compressors retired from the active fleet 38,000 66,000 Impairment recorded on idle compressors retired from the active fleet $ 8,671 $ 10,681 Restructuring charges .
The increase in depreciation and amortization was primarily due to fixed assets additions, including $15.8 million depreciation and amortization associated with the compression units and intangible assets acquired in the TOPS Acquisition, and accelerated depreciation associated with certain assets.
The increase in depreciation and amortization was primarily due to fixed assets additions, including depreciation and amortization associated with the compression units and intangible assets acquired in the TOPS Acquisition and the NGCS Acquisition.
Sources of Cash Revolving Credit Facility During the years ended December 31, 2024 and 2023, our Credit Facility had an average daily balance of $315.0 million and $298.8 million, respectively. The weighted average annual interest rate on the outstanding balance under the Credit Facility was 6.8% and 7.7% at December 31, 2024 and 2023, respectively.
During the years ended December 31, 2025 and 2024, our Credit Facility had an average daily balance of $713.8 million and $315.0 million, respectively. The weighted average annual interest rate on the outstanding balance under the Credit Facility was 5.8% and 6.8% at December 31, 2025 and 2024, respectively.
Operating Highlights Year Ended December 31, (horsepower in thousands) 2024 2023 2022 Total available horsepower (at period end) (1) 4,401 3,759 3,726 Total operating horsepower (at period end) (2) 4,227 3,607 3,448 Average operating horsepower (3) 3,794 3,554 3,328 Horsepower utilization: Spot (at period end) 96 % 96 % 93 % Average 95 % 95 % 87 % (1) Defined as idle and operating horsepower.
Operating Highlights Year Ended December 31, (horsepower in thousands) 2025 2024 2023 Total available horsepower (at period end) (1) 4,788 4,401 3,759 Total operating horsepower (at period end) (2) 4,571 4,227 3,607 Average operating horsepower (3) 4,494 3,794 3,554 Horsepower utilization: Spot (at period end) 95 % 96 % 96 % Average 96 % 95 % 95 % (1) Defined as idle and operating horsepower.
Revenue in our contract operations business increased approximately $105.6 million due to higher rates and an increase in average operating horsepower, as well as an increase of $65.5 million due to the compression units acquired in the TOPS Acquisition. The increase in cost of sales, exclusive of depreciation and amortization, was primarily due to a $17.9 million increase in employee compensation, including the addition of headcount from the TOPS Acquisition, a $4.1 million increase in parts expense, a $1.4 million increase in auto expense and a $1.3 million increase in local and miscellaneous taxes.
Revenue in our contract operations business increased approximately $291.7 million, due primarily to the compression units acquired in the TOPS Acquisition and in the NGCS Acquisition, higher rates and an increase in average operating horsepower. The increase in cost of sales, exclusive of depreciation and amortization, was primarily due to a $37.3 million increase in employee compensation, including the addition of headcount from the TOPS Acquisition and the NGCS Acquisition, and a $17.1 million increase in parts expense due to compression units acquired in the TOPS Acquisition and the NGCS Acquisition, as well as an increase in operating horsepower.
Natural gas consumption is expected to be largely consistent with 2024, reflecting consistent usage of natural gas in the electric power generation and residential sectors, as well as increased LNG exports and exports of natural gas via pipeline to Mexico. We believe the outlook for the energy industry in the U.S. is positive.
Natural gas consumption is expected to be largely consistent with 2025, reflecting consistent usage of natural gas in the electric power sector, as well as increased LNG exports and exports of natural gas via pipeline to Mexico, offset by lower industrial, residential, and commercial demand. We believe the outlook for the energy industry in the U.S. is positive.
Non–GAAP Financial Measures Management uses a variety of financial and operating metrics to analyze our performance. These metrics are significant factors in assessing our operating results and profitability and include the non-GAAP financial measure of adjusted gross margin. 41 Table of Contents We define adjusted gross margin as total revenue less cost of sales, exclusive of depreciation and amortization.
These metrics are significant factors in assessing our operating results and profitability and include the non-GAAP financial measure of adjusted gross margin. We define adjusted gross margin as total revenue less cost of sales, exclusive of depreciation and amortization.
The increase in revenue was primarily due to increased revenue from our contract operations business. See “Contract Operations” below for further details. Net income was $172.2 million and $105.0 million during the years ended December 31, 2024 and 2023, respectively.
The increase in revenue was due to increased revenue from our contract operations business and aftermarket services business. See “Contract Operations” and “Aftermarket Services” below for further details. Net income was $322.3 million and $172.2 million during the years ended December 31, 2025 and 2024, respectively.
We incurred $3.2 million of debt extinguishment loss during the year ended December 31, 2024 as a result of the 2027 Notes Tender Offer. 44 Table of Contents Interest expense.
We incurred $0.9 million of debt extinguishment loss during the year ended December 31, 2025 as a result of the 2027 Notes Redemption compared to $3.2 million during the year ended December 31, 2024 as a result of the 2027 Notes Tender Offer. Interest expense.
The increase in other expense, net was primarily due to a $0.5 million increase in unrealized change in the fair value of our investment in an unconsolidated affiliate recognized during the year ended December 31, 2024, compared to the year ended December 31, 2023.
Other expense, net. The decrease in other expense, net was primarily due to an increase in proceeds from insurance and other settlements and a decrease in unrealized change in the fair value of our investment in an unconsolidated affiliate recognized during the year ended December 31, 2025, compared to the year ended December 31, 2024.
These expenditures substantially modify the operating parameters of the compression package such that it can be used in applications for which it previously was not suited. Growth capital expenditures for the year ended December 31, 2024 were $250.9 million, including TOPS’ specific growth capital expenditures of $69.4 million.
These expenditures substantially modify the operating parameters of the compression package such that it can be used in applications for which it previously was not suited. Growth capital expenditures were $347.7 million and $250.9 million for the years ended December 31, 2025 and 2024, respectively. Maintenance Capital Expenditures.
The reconciliation of net income to adjusted gross margin is as follows: Year Ended December 31, (in thousands) 2024 2023 2022 Net income $ 172,231 $ 104,998 $ 44,296 Selling, general and administrative 139,121 116,639 117,184 Depreciation and amortization 193,194 166,241 164,259 Long-lived and other asset impairment 10,681 12,041 21,442 Restructuring charges — 1,775 — Debt extinguishment loss 3,181 — — Interest expense 123,610 111,488 101,259 Transaction-related costs 13,249 — — Gain on sale of assets, net (17,887) (10,199) (40,494) Other expenses, net 1,561 1,086 1,845 Provision for income taxes 60,149 37,249 16,293 Adjusted gross margin $ 699,090 $ 541,318 $ 426,084 The following table reconciles adjusted gross margin to gross margin, its most directly comparable to GAAP measure: Year Ended December 31, (in thousands) 2024 2023 2022 Total revenues $ 1,157,591 $ 990,337 $ 845,568 Cost of sales, exclusive of depreciation and amortization (458,501) (449,019) (419,484) Depreciation and amortization (193,194) (166,241) (164,259) Gross margin 505,896 375,077 261,825 Depreciation and amortization 193,194 166,241 164,259 Adjusted gross margin $ 699,090 $ 541,318 $ 426,084 42 Table of Contents RESULTS OF OPERATIONS Summary of Results Revenue was $1,157.6 million and $990.3 million during the years ended December 31, 2024 and 2023, respectively.
The reconciliation of net income to adjusted gross margin is as follows: Year Ended December 31, (in thousands) 2025 2024 2023 Net income $ 322,290 $ 172,231 $ 104,998 Selling, general and administrative 147,806 139,121 116,639 Depreciation and amortization 256,761 193,194 166,241 Long-lived and other asset impairment 18,290 10,681 12,041 Restructuring charges 1,605 — 1,775 Debt extinguishment loss 890 3,181 — Interest expense 165,340 123,610 111,488 Transaction-related costs 12,705 13,249 — Gain on sale of assets, net (47,081) (17,887) (10,199) Other expense, net 439 1,561 1,086 Provision for income taxes 100,845 60,149 37,249 Equity in net loss of unconsolidated affiliate 503 — — Adjusted gross margin $ 980,393 $ 699,090 $ 541,318 46 Table of Contents The following table reconciles gross margin to adjusted gross margin, its most directly comparable to GAAP measure: Year Ended December 31, (in thousands) 2025 2024 2023 Total revenues $ 1,489,818 $ 1,157,591 $ 990,337 Cost of sales, exclusive of depreciation and amortization (509,425) (458,501) (449,019) Depreciation and amortization (256,761) (193,194) (166,241) Gross margin 723,632 505,896 375,077 Depreciation and amortization 256,761 193,194 166,241 Adjusted gross margin $ 980,393 $ 699,090 $ 541,318 RESULTS OF OPERATIONS Summary of Results Revenue was $1,489.8 million and $1,157.6 million during the years ended December 31, 2025 and 2024, respectively.
In response, we increased our investment in new large horsepower fleet units and expanded our fleet through the TOPS Acquisition. Our contract operations revenue and total operating horsepower increased 21% and 17%, respectively in 2024.
In response, we increased our investment in new large horsepower fleet units and expanded our fleet through the NGCS Acquisition. Our contract operations revenue and period-end total operating horsepower increased 30% and 8%, respectively, in 2025.
Further, we depend on suppliers for the materials, parts, equipment and lube oil necessary to our operations, which exposes us to volatility in prices. Significant price increases for these inputs could adversely affect our operating profits. Supply chain disruptions could also adversely affect our ability to obtain, or increase the cost of, such items.
Further, we depend on suppliers for the materials, parts, equipment and lube oil necessary to our operations, which exposes us to volatility in prices. Significant price increases for these inputs, as a result of inflation, tariffs, or otherwise, could adversely affect our operating profits.
Cash Flows Cash flows provided by (used in) each type of activity were as follows: Year Ended December 31, (in thousands) 2024 2023 Net cash provided by (used in): Operating activities $ 429,591 $ 310,187 Investing activities (1,160,063) (232,491) Financing activities 733,554 (77,924) Net increase (decrease) in cash and cash equivalents $ 3,082 $ (228) Operating Activities.
Cash Flows Cash flows provided by (used in) each type of activity were as follows: Year Ended December 31, (in thousands) 2025 2024 Net cash provided by (used in): Operating activities $ 622,107 $ 429,591 Investing activities (606,899) (1,160,063) Financing activities (18,075) 733,554 Net (decrease) increase in cash and cash equivalents $ (2,867) $ 3,082 Operating Activities.
Maintenance capital expenditures are related to major overhauls of significant components of a compression package, such as the engine, electric motor, compressor and cooler, which return the components to a like–new condition, but do not modify the application for which the compression package was designed.
Maintenance capital expenditures are related to major overhauls of significant components of a compression package, such as the engine, electric motor, compressor and cooler, which return the components to a like–new condition, but do not modify the application for which the compression package was designed. 50 Table of Contents Maintenance capital expenditures were $110.7 million and $87.8 million during the years ended December 31, 2025 and 2024, respectively.
Costs and Expenses Year Ended December 31, (in thousands) 2024 2023 Selling, general and administrative $ 139,121 $ 116,639 Depreciation and amortization 193,194 166,241 Long-lived and other asset impairment 10,681 12,041 Restructuring charges — 1,775 Debt extinguishment loss 3,181 — Interest expense 123,610 111,488 Transaction-related costs 13,249 — Gain on sale of assets, net (17,887) (10,199) Other expense, net 1,561 1,086 Selling, general and administrative.
Costs and Expenses Year Ended December 31, (in thousands) 2025 2024 Selling, general and administrative $ 147,806 $ 139,121 Depreciation and amortization 256,761 193,194 Long-lived and other asset impairment 18,290 10,681 Restructuring charges 1,605 — Debt extinguishment loss 890 3,181 Interest expense 165,340 123,610 Transaction-related costs 12,705 13,249 Gain on sale of assets, net (47,081) (17,887) Other expense, net 439 1,561 Selling, general and administrative.
The increase was partially offset by a decrease in depreciation associated with assets reaching the end of their depreciable lives, the impact of compression and other asset sales, and long-lived asset impairments. Long–lived and other asset impairment.
The increase was partially offset by a decrease in depreciation associated with assets reaching the end of their depreciable lives as well as compression and other asset sales. Long–lived and other asset impairment. The increase in long-lived and other asset impairment was primarily due to remeasurement of assets in connection with the Flowco Disposition of $9.6 million.
Provision for Income Taxes The increase in provision for income taxes was primarily due to the tax effect of the increase in book income and the limitation on executive compensation offset by the benefit from equity-settled long-term incentive compensation during the year ended December 31, 2024, compared to the year ended December 31, 2023. Year Ended December 31, Increase (dollars in thousands) 2024 2023 (Decrease) Provision for income taxes $ 60,149 $ 37,249 61 % Effective tax rate 26 % 26 % - % LIQUIDITY AND CAPITAL RESOURCES Overview Our ability to fund operations, finance capital expenditures and pay dividends depends on the levels of our operating cash flows and access to the capital and credit markets.
Provision for Income Taxes The increase in provision for income taxes was primarily due to the tax effect of the increase in book income during the year ended December 31, 2025, compared to the year ended December 31, 2024. Year Ended December 31, Increase (dollars in thousands) 2025 2024 (Decrease) Provision for income taxes $ 100,845 $ 60,149 68 % Effective tax rate 24 % 26 % (2) % 49 Table of Contents LIQUIDITY AND CAPITAL RESOURCES Overview Our ability to fund operations, finance capital expenditures, fund share repurchases and pay dividends depends on the levels of our operating cash flows and access to the capital and credit markets.
Capital Requirements and the Availability of External Sources of Capital. We funded a significant portion of our capital expenditures and the TOPS Acquisition with proceeds from the July 2024 Equity Offering and the 2032 Notes offering and borrowings under the Credit Facility.
Capital Requirements, Availability of Capital Equipment and the Availability of External Sources of Capital. We funded a significant portion of our capital expenditures, the NGCS Acquisition and the 2027 Notes Redemption with borrowings under the Credit Facility.
The increase in gain on sale of assets, net was primarily due to gains of $17.6 million on compression asset sales during the year ended December 31, 2024 compared to gains of $7.6 million on compression asset sales during the year ended December 31, 2023. Other expense, net.
See Note 4 (“Business Transactions”) for further details . Gain on sale of assets, net. The increase in gain on sale of assets, net was primarily due to gains of $45.3 million on compression asset sales during the year ended December 31, 2025, compared to gains of $17.6 million on compression asset sales during the year ended December 31, 2024.
The increase in interest expense was primarily due to a higher average outstanding balance of long-term debt due to the 2032 Notes offering, an increase in the outstanding balance on the Credit Facility and higher interest rates.
The increase in interest expense was primarily due to a higher average outstanding balance of long-term debt primarily due to the 2032 Notes and borrowings under our Credit Facility to fund cash consideration of the TOPS Acquisition and the NGCS Acquisition.
Dividends On January 30, 2025, our Board of Directors declared a quarterly dividend of $0.19 per share of common stock, or approximately $33.5 million, which was paid on February 19, 2025 to stockholders of record at the close of business on February 12, 2025.
On January 29, 2026, our Board of Directors declared a quarterly dividend of $0.22 per share of common stock, which was paid on February 18, 2026 to stockholders of record at the close of business on February 10, 2026.
Key Challenges and Uncertainties In addition to general market conditions in the oil and natural gas industry and competition in the natural gas compression industry, we believe the following represent the key challenges and uncertainties we will face in the future. Labor. We believe that our ability to hire, train and retain qualified personnel will continue to be important.
Key Challenges and Uncertainties In addition to general market conditions in the oil and natural gas industry and competition in the natural gas compression industry, we believe the following represent the key challenges and uncertainties we will face in the future. 44 Table of Contents Labor.
(3) Defined as average of period end horsepower that is operating under contract and horsepower that is idle but under contract and generating revenue such as standby revenue, including operating horsepower as of September 30, 2024 through December 31, 2024 for compressors acquired in the TOPS Acquisition.
(3) Defined as average of period end horsepower that is operating under contract and horsepower that is idle but under contract and generating revenue such as standby revenue, including operating horsepower for the compressors acquired in the NGCS Acquisition beginning May 1, 2025 through December 31, 2025 and for the compressors acquired in the TOPS Acquisition beginning September 30, 2024 through December 31, 2025. 45 Table of Contents Non–GAAP Financial Measures Management uses a variety of financial and operating metrics to analyze our performance.
The increase was primarily driven by higher adjusted gross margin from our contract operations business and higher gain on sale of assets, net.
The increase was primarily driven by higher adjusted gross margin from both our contract operations business and aftermarket services business, as well as an increase in gain on sale of assets and a reduction in debt extinguishment loss.
See Note 4 (“Business Transactions”) for further details. 2032 Notes On August 26, 2024, we completed a private offering of $700.0 million aggregate principal amount of 6.625% senior notes due September 2032 and received net proceeds of $690.0 million after deducting issuance costs.
See Note 15 (“Long-Term Debt”) for further details. 2034 Notes On January 21, 2026, we completed a private offering of $800.0 million aggregate principal amount of 6.0% senior notes due 2034 and received net proceeds of $789.4 million after deducting issuance costs.
Approximately 64% of our operating fleet is deployed for midstream natural gas gathering applications, with the remaining fleet being used in gas lift applications to enhance oil production.
See Note 4 (“Business Transactions”) for further details. Trends and Outlook The key driver of our business is the production of U.S. oil and natural gas. Approximately 60% of our operating fleet is deployed for midstream natural gas gathering applications, with the remaining fleet being used in gas lift applications to enhance oil production.
Further, the cost of labor has increased and may continue to increase in the future with increases in demand, which will require us to incur additional costs. 40 Table of Contents Cost Management .
Our ability to grow and to continue our current level of service to our customers will depend in part on our success in hiring, training and retaining our employees. Further, the cost of labor has increased and may continue to increase in the future with increases in demand, which will require us to incur additional costs. Cost Management .
Property, plant and equipment are carried at cost and depreciated using the straight–line basis over the estimated useful life of the asset.
Depreciation Property, plant and equipment, net, at December 31, 2025 was $3.7 billion and depreciation expense was $242.3 million for the year ended December 31, 2025. Property, plant and equipment are carried at cost and depreciated using the straight–line basis over the estimated useful life of the asset.
The development of these basins producing both commodities has created additional incremental demand for natural gas compression over the recent past as it is a critical method to transport associated gas volumes or enhance oil production through gas lift. 39 Table of Contents Current Trends According to the EIA Outlook, average U.S. oil and dry natural gas and production were as follows: Year Ended December 31, 2024 2023 2022 Average dry natural gas production (Bcf/d) 103.0 103.8 98.0 Average oil production (MMb/d) 13.2 12.9 11.9 During 2024, U.S. natural gas and oil production grew to record levels, resulting in strong demand for our compression services.
Current Trends According to the EIA Outlook, average U.S. oil and dry natural gas and production were as follows: Year Ended December 31, 2025 2024 2023 Average dry natural gas production (Bcf/d) 107.4 103.0 103.8 Average oil production (MMb/d) 13.6 13.2 12.9 During 2025, U.S. natural gas and oil production grew to record levels, resulting in strong demand for our compression services.
We have no near-term maturities and believe that our operating cash flows and borrowings under the Credit Facility will be sufficient to meet our future liquidity needs. We may from time to time seek to retire or purchase our outstanding debt through cash purchases and/or exchanges for equity or debt securities in open market purchases, privately negotiated transactions or otherwise.
We may from time to time seek to retire or purchase our outstanding debt through cash purchases and/or exchanges for equity or debt securities in open market purchases, privately negotiated transactions or otherwise.
Although we have been able to historically satisfy our personnel needs, retaining employees in our industry continues to be a challenge. Our ability to grow and to continue our current level of service to our customers will depend in part on our success in hiring, training and retaining our employees.
We believe that our ability to hire, train and retain qualified personnel will continue to be important. Although we have been able to historically satisfy our personnel needs, retaining employees in our industry continues to be a challenge.
This decrease was partially offset by an increase in scheduled and unscheduled maintenance activities due to maintenance cycle requirements. Projected Capital Expenditures.
The increase in maintenance capital expenditures was primarily due to an increase in scheduled and unscheduled maintenance activities due to maintenance cycle requirements and the addition of the compression units acquired in the NGCS Acquisition and the TOPS Acquisition, partially offset by lower make–ready investment. Projected Capital Expenditures.
As our business is so closely aligned with production and is typically less directly impacted by commodity prices, we are not as exposed to the volatility often faced in shorter–cycle oil field service businesses.
As our business is so closely aligned with production and is typically less directly impacted by commodity prices, we are not as exposed to the volatility often faced in shorter–cycle oil field service businesses. 43 Table of Contents Domestic natural gas production generally occurs either in basins where natural gas is produced alongside oil, also known as “associated” gas, such as the Permian and Delaware Basins, the Eagle Ford and the Mid–Continent or in natural gas basins, such as the Marcellus, Utica and Haynesville Shales.
The increase in SG&A was primarily driven by a $17.2 million increase in employee incentive and other compensation expense, a $2.4 million increase in professional and consulting fees, a $0.8 million increase in network and computer-related costs and a $0.7 million increase in insurance expense. Depreciation and amortization.
The increase in SG&A was primarily driven by a $8.0 million increase in employee compensation and benefits expense, a $2.0 million increase in professional fees, a $1.7 million increase in information technology expense and a $1.4 million increase in insurance expense. These increases were partially offset by a $4.9 million decrease in long-term performance-based incentive compensation expense. Depreciation and amortization.
Restructuring charges of $1.8 million during the year ended December 31, 2023 consisted of severance and consulting costs related to our restructuring activities. See Note 23 (“Restructuring Charges”) for further details on these restructuring charges. Debt extinguishment loss.
Restructuring charges of $1.6 million during the year ended December 31, 2025 consisted of s everance and property disposal as well as consolidation and closure costs . See Note 22 (“Restructuring Charges”) for further details. Debt extinguishment loss.
Overview We are an energy infrastructure company with a primary focus on midstream natural gas compression and a commitment to helping our customers produce, compress and transport natural gas in a safe and environmentally responsible way.
“Management’s Discussion and Analysis of Financial Condition and Results of Operations” of our Annual Report on Form 10–K for the year ended December 31, 2024 filed with the SEC on February 25, 2025. 42 Table of Contents Overview We are an energy infrastructure company with a primary focus on midstream natural gas compression and a commitment to helping our customers produce, compress and transport natural gas in a safe and environmentally responsible way.
See Note 22 (“Long-Lived and Other Asset Impairment”) and Note 27 (“Fair Value Measurements”) to our Financial Statements for further details of our fleet asset impairments. 49 Table of Contents Income Taxes Our income tax expense, deferred tax assets and liabilities and reserves for unrecognized tax benefits reflect management’s best assessment of estimated current and future taxes to be paid.
See Note 2 (“Basis of Presentation and Significant Accounting Policies”) and Note 9 (“Goodwill and Intangibles Assets, net”) for further details. Income Taxes Our income tax expense, deferred tax assets and liabilities and reserves for unrecognized tax benefits reflect management’s best assessment of estimated current and future taxes to be paid.
We periodically review the future deployment of our idle compressors for units that are not of the type, configuration, condition, make or model that are cost efficient to maintain and operate. We also evaluate for impairment our idle units that have been culled from our compression fleet in prior years and are available for sale.
See Note 4 (“Business Transactions”) for further details. This increase was partially offset by a decrease of $2.0 million in compression fleet impairment. 48 Table of Contents We periodically review the future deployment of our idle compressors for units that are not of the type, configuration, condition, make or model that are cost efficient to maintain and operate.
We incurred $13.2 million of professional fees, compensation-related and other costs during the year ended December 31, 2024 related to the TOPS Acquisition. See Note 4 (“Business Transactions”) for further details on these transaction-related costs. Gain on sale of assets, net.
We incurred $9.1 million of professional fees, compensation and other costs related to the NGCS Acquisition during the year ended December 31, 2025, and we incurred $3.6 million and $13.2 million of professional fees, compensation and other costs related to the TOPS Acquisition during the years ended December 31, 2025 and 2024, respectively.
Any future determinations to pay cash dividends to our stockholders will be at the discretion of our Board of Directors and will be dependent upon our financial condition, results of operations, and credit and loan agreements in effect at that time and other factors deemed relevant by our Board of Directors. 46 Table of Contents Contractual Obligations Our material contractual obligations as of December 31, 2024 consisted of the following: • Long–term debt of $2.2 billion, all of which is due in 2027, 2028 and 2032; • Estimated interest on our long–term debt of $666.1 million, consisting of annual payments of approximately $147.1 million in 2025 and 2026, approximately $131.7 million in 2027, approximately $70.1 million in 2028, approximately $46.4 million in 2029, and approximately $123.7 million thereafter; • Purchase commitments of $341.1 million, of which $337.5 million is due in 2025, that primarily consist of commitments to purchase fleet assets; and • Operating lease payments of $18.9 million, consisting of annual payments of approximately $4.6 million in 2025, approximately $4.0 million in 2026, approximately $3.0 million in 2027, approximately $2.5 million in 2028 and 2029, and approximately $2.3 million thereafter.
Contractual Obligations Our material contractual obligations as of December 31, 2025 consisted of the following: • Long–term debt of $2.4 billion, all of which is due in 2028 and 2032; • Estimated interest on our long–term debt of $551.8 million, consisting of annual payments of approximately $151.2 million in 2026 and 2027, approximately $79.3 million in 2028, annual payments of approximately $46.4 million in 2029 and 2030, and approximately $77.3 million thereafter; • Purchase commitments of $251.4 million, of which $244.6 million is due in 2026, and primarily consists of commitments to purchase fleet assets; and • Operating lease payments of $16.4 million, consisting of annual payments of approximately $4.7 million in 2026, approximately $3.7 million in 2027, approximately $2.9 million in 2028, approximately $2.8 million in 2029, approximately $1.9 million in 2030, and approximately $0.4 million thereafter.
As of December 31, 2024, there were $4.0 million of letters of credit outstanding under the Credit Facility and the applicable margin on borrowings outstanding was 2.2%. We amended and restated our Credit Facility on May 16, 2023; see Note 16 (“Long-Term Debt”) to our Financial Statements for details on the Amended and Restated Credit Agreement. Credit Facility Terms.
As of December 31, 2025, there were $3.0 million of letters of credit outstanding under the Credit Facility and the applicable margin on borrowings outstanding was 2.0%. Credit Facility Terms.
These increases were partially offset by increases in depreciation and amortization, provision for income taxes, SG&A, transaction-related costs, interest expense and debt extinguishment loss. Year Ended December 31, 2024 Compared to Year Ended December 31, 2023 Contract Operations Year Ended December 31, Increase (dollars in thousands) 2024 2023 (Decrease) Revenue $ 980,405 $ 809,439 21 % Cost of sales, exclusive of depreciation and amortization 323,052 306,748 5 % Adjusted gross margin $ 657,353 $ 502,691 31 % Adjusted gross margin percentage (1) 67 % 62 % 5 % (1) Defined as adjusted gross margin divided by revenue.
Year Ended December 31, 2025 Compared to Year Ended December 31, 2024 Contract Operations Year Ended December 31, Increase (dollars in thousands) 2025 2024 (Decrease) Revenue $ 1,272,081 $ 980,405 30 % Cost of sales, exclusive of depreciation and amortization 343,136 323,052 6 % Adjusted gross margin $ 928,945 $ 657,353 41 % Adjusted gross margin percentage (1) 73 % 67 % 6 % (1) Defined as adjusted gross margin divided by revenue.
The increase in net cash used in investing activities was primarily due to $868.7 million of cash paid in the TOPS Acquisition and a $60.4 million increase in capital expenditures, partially offset by a decrease of $4.8 million in investment in non-consolidated affiliates and a $4.6 million decrease in proceeds from the sale of property, plant and equipment. Financing Activities.
The decrease in net cash used in investing activities was primarily due to cash paid in the TOPS Acquisition of $868.7 million in 2024 compared to cash paid in the NGCS Acquisition of $296.5 million in 2025, an increase of $71.0 million in proceeds from the sale of a business and an increase of $53.2 million in proceeds from the sale of property, equipment and other assets.
This increase was partially offset by a decrease of $6.6 million in startup expenses resulting from average horsepower utilization for the fleet at record levels as well as fewer unit stops and a decrease of $2.9 million in lube oil expenses mainly due to lower prices. The increases in adjusted gross margin and adjusted gross margin percentage were mainly driven by revenue growth that outpaced the increase in cost of sales, exclusive of depreciation and amortization. Aftermarket Services Year Ended December 31, Increase (dollars in thousands) 2024 2023 (Decrease) Revenue $ 177,186 $ 180,898 (2) % Cost of sales, exclusive of depreciation and amortization 135,449 142,271 (5) % Adjusted gross margin $ 41,737 $ 38,627 8 % Adjusted gross margin percentage (1) 24 % 21 % 3 % (1) Defined as adjusted gross margin divided by revenue.
The increases in adjusted gross margin and adjusted gross margin percentage were mainly driven by revenue growth that outpaced the increase in cost of sales, exclusive of depreciation and amortization. 47 Table of Contents Aftermarket Services Year Ended December 31, Increase (dollars in thousands) 2025 2024 (Decrease) Revenue $ 217,737 $ 177,186 23 % Cost of sales, exclusive of depreciation and amortization 166,289 135,449 23 % Adjusted gross margin $ 51,448 $ 41,737 23 % Adjusted gross margin percentage (1) 24 % 24 % — % (1) Defined as adjusted gross margin divided by revenue.
We currently plan to spend approximately $470 million to $535 million on capital expenditures during 2025, primarily consisting of approximately $330 million to $370 million for growth capital expenditures and approximately $105 million to $115 million for maintenance capital expenditures.
We currently plan to spend approximately $400 million to $445 million on capital expenditures during 2026, primarily consisting of approximately $250 million to $275 million for growth capital expenditures and approximately $125 million to $135 million for maintenance capital expenditures. Returning Capital to Stockholders We continue to return capital to stockholders through quarterly dividends and share repurchases.
Revenue in our aftermarket services business decreased primarily due to lower parts sales, which was partially offset by increased service activity driven by higher customer demand, and an increase in maintenance service contracts. 43 Table of Contents The increases in adjusted gross margin and adjusted gross margin percentage were mainly due to a reduction in cost of sales, exclusive of depreciation and amortization, due to a difference in the scope, timing and type of services performed, including additional work associated with maintenance service contracts, which outpaced the decline in overall revenue.
Revenue in our aftermarket services business increased primarily due to increased service activity driven by higher customer demand, an increase in maintenance service contracts and higher parts sales, including the non-recurring sale of overhauled engines.
Current conditions could limit our ability to access the debt and equity markets to raise capital on affordable terms in 2025 and beyond.
While we have successfully raised capital historically, and most recently in January 2026 with the issuance of the 2034 Notes, there is no guarantee in our ability to access the debt and equity markets to raise capital on affordable terms in 2026 and beyond.
Actual results may differ from these estimates under different assumptions or conditions and these differences can be material to our financial condition, results of operations and cash flows. Depreciation Property, plant and equipment, net, at December 31, 2024 was $3.3 billion and depreciation expense was $185.1 million for the year ended December 31, 2024.
Actual results may differ from these estimates under different assumptions or conditions and these differences can be material to our financial condition, results of operations and cash flows. 53 Table of Contents Business Combinations We account for acquisitions using the acquisition method of accounting, which requires, among other things, assets acquired and liabilities assumed to be recorded at their fair value on the date of acquisition.
The change from net cash used in financing activities in 2023 to net cash provided by financing activities in 2024 was primarily due to $700.0 million of proceeds from the issuance of the 2032 Notes, $255.7 million of proceeds from the July 2024 Equity Offering and a $85.5 million increase in net borrowings of long-term debt, partially offset by $202.0 million for the 2027 Notes Tender Offer, a $14.6 million increase in dividends to Archrock shareholders, a $6.3 million increase in debt issuance costs paid, a $4.5 million increase in shares repurchased under the Share Repurchase Program and a $2.7 million increase in taxes paid related to net share settlement of equity awards. 48 Table of Contents Critical Accounting Estimates We describe our significant accounting policies more fully in Note 2 (“Basis of Presentation and Significant Accounting Policies”) to our Financial Statements.
The change to net cash used in financing activities from net cash provided by financing activities was primarily due to a decrease of $409.2 million in net borrowings of long-term debt, a decrease of $255.7 million in net proceeds for the issuance of common stock, an increase of $56.9 million of common stock purchased under the Share Repurchase Program and an increase of $31.2 million for dividends paid to stockholders.
These increases were partially offset by the 2027 Notes Tender Offer and the write-off of $1.0 million of unamortized deferred financing costs as a result of the Amended and Restated Credit Agreement during the year ended December 31, 2023. Transaction-related costs.
These increases were partially offset by the 2027 Notes Redemption, the 2027 Notes Tender Offer and a decrease in the weighted average effective interest rate. Transaction-related costs.
As of December 31, 2024, we were in compliance with all covenants under our Amended and Restated Credit Agreement. 2032 Notes and 2027 Notes Tender Offer On August 26, 2024, we completed a private offering of $700.0 million aggregate principal amount of 6.625% senior notes due September 2032 and received net proceeds of $690.0 million after deducting issuance costs.
As of December 31, 2025, we were in compliance with all covenants under our Amended and Restated Credit Agreement.