Biggest changeSee Note 2 to the consolidated financial statements included in this report for further detail on the impact of this change. 48 Comparison of Our Results of Operations for the Years Ended December 31, 2024 and 2023 Year Ended December 31, % of Total Revenue % of Total Revenue Change ($ In thousands) 2024 2023 Dollars Percent Revenue: Service revenue Commercial $ 508,618 61 % $ 478,454 61 % $ 30,164 6 % Government 106,296 13 % 106,000 13 % 296 0 % Total service revenue 614,914 74 % 584,454 74 % 30,460 5 % Subscriber equipment 91,416 11 % 105,136 13 % (13,720) (13) % Engineering and support services 124,352 15 % 101,133 13 % 23,219 23 % Total revenue 830,682 100 % 790,723 100 % 39,959 5 % Operating expenses: Cost of services (exclusive of depreciation and amortization) 178,140 22 % 158,710 20 % 19,430 12 % Cost of subscriber equipment 52,427 6 % 66,410 8 % (13,983) (21) % Research and development 28,422 3 % 20,269 3 % 8,153 40 % Selling, general and administrative 168,182 20 % 143,706 18 % 24,476 17 % Depreciation and amortization 203,127 25 % 320,000 41 % (116,873) (37) % Total operating expenses 630,298 76 % 709,095 90 % (78,797) (11) % Operating income 200,384 24 % 81,628 10 % 118,756 145 % Other expense: Interest expense, net (91,134) (11) % (90,387) (11) % (747) 1 % Other income, net 534 0 % 4,012 1 % (3,478) (87) % Total other expense (90,600) (11) % (86,375) (10) % (4,225) 5 % Income (loss) before income taxes and equity in net earnings of affiliates 109,784 13 % (4,747) 0 % 114,531 2,413 % Income tax (expense) benefit (12,259) (1) % 26,251 3 % (38,510) (147) % Gain (loss) on equity method investments 15,251 2 % (6,089) (1) % 21,340 350 % Net income $ 112,776 14 % $ 15,415 2 % $ 97,361 632 % 49 Commercial Service Revenue Year Ended December 31, 2024 2023 Change Revenue Billable Subscribers (1) ARPU (2) Revenue Billable Subscribers (1) ARPU (2) Revenue Billable Subscribers ARPU (Revenue in millions and subscribers in thousands) Commercial services: Voice and data $ 226.1 415 $ 46 $ 219.2 408 $ 45 $ 6.9 7 $ 1 IoT data 166.2 1,887 $ 7.70 141.0 1,709 $ 7.45 25.2 178 $ 0.25 Broadband (3) 56.1 16.6 $ 282 57.9 16.7 $ 305 (1.8) (0.1) $ (23) Hosted payload and other data 60.2 N/A 60.3 N/A (0.1) N/A Total commercial services $ 508.6 2,319 $ 478.4 2,134 $ 30.2 185 (1) Billable subscriber numbers are shown as of the end of the respective period.
Biggest changeSee Note 2 to the consolidated financial statements included in this report for further detail on the impact of this change. 47 Comparison of Our Results of Operations for the Years Ended December 31, 2025 and 2024 Year Ended December 31, % of Total Revenue % of Total Revenue Change ($ In thousands) 2025 2024 Dollars Percent Revenue: Service revenue Commercial $ 525,923 60 % $ 508,618 61 % $ 17,305 3 % Government 108,035 13 % 106,296 13 % 1,739 2 % Total service revenue 633,958 73 % 614,914 74 % 19,044 3 % Subscriber equipment 81,109 9 % 91,416 11 % (10,307) (11) % Engineering and support services 156,592 18 % 124,352 15 % 32,240 26 % Total revenue 871,659 100 % 830,682 100 % 40,977 5 % Operating expenses: Cost of services (exclusive of depreciation and amortization) 197,577 23 % 178,140 22 % 19,437 11 % Cost of subscriber equipment 50,426 6 % 52,427 6 % (2,001) (4) % Research and development 19,758 2 % 28,422 3 % (8,664) (30) % Selling, general and administrative 157,711 18 % 168,182 20 % (10,471) (6) % Depreciation and amortization 210,207 24 % 203,127 25 % 7,080 3 % Total operating expenses 635,679 73 % 630,298 76 % 5,381 1 % Operating income 235,980 27 % 200,384 24 % 35,596 18 % Other expense: Interest expense, net (88,252) (10) % (91,134) (11) % 2,882 (3) % Other income (expense), net (2,915) 0 % 534 0 % (3,449) (646) % Total other expense (91,167) (10) % (90,600) (11) % (567) 1 % Income before income taxes and equity in net earnings of affiliates 144,813 17 % 109,784 13 % 35,029 32 % Income tax expense (27,618) (4) % (12,259) (1) % (15,359) 125 % Gain (loss) on equity method investments (2,823) 0 % 15,251 2 % (18,074) (119) % Net income $ 114,372 13 % $ 112,776 14 % $ 1,596 1 % 48 Commercial Service Revenue Year Ended December 31, 2025 2024 Change Revenue Billable Subscribers (1) ARPU (2) Revenue Billable Subscribers (1) ARPU (2) Revenue Billable Subscribers ARPU (Revenue in millions and subscribers in thousands) Commercial services: Voice and data $ 232.2 402 $ 47 $ 226.1 415 $ 46 $ 6.1 (13) $ 1 IoT data 181.4 1,998 $ 7.78 166.2 1,887 $ 7.70 15.2 111 $ 0.08 Broadband (3) 50.7 16.1 $ 259 56.1 16.6 $ 282 (5.4) (0.5) $ (23) Hosted payload and other data 61.6 N/A 60.2 N/A 1.4 N/A Total commercial services $ 525.9 2,416 $ 508.6 2,319 $ 17.3 97 (1) Billable subscriber numbers are shown as of the end of the respective period.
We provide voice and data communications services to businesses, the U.S. and foreign governments, non-governmental organizations and consumers via our satellite network, which has an architecture of 66 operational satellites with in-orbit spares and related ground infrastructure. We utilize an interlinked mesh architecture to route traffic across the satellite constellation using radio frequency crosslinks between satellites.
We provide voice and data communications services to businesses, U.S. and foreign governments, non-governmental organizations and consumers via our satellite network, which has an architecture of 66 operational satellites with in-orbit spares and related ground infrastructure. We utilize an interlinked mesh architecture to route traffic across the satellite constellation using radio frequency crosslinks between satellites.
Material Trends and Uncertainties Our industry and customer base have historically grown as a result of: • demand for remote and reliable mobile communications services; • a growing number of new products and services and related applications; • a broad wholesale distribution network with access to diverse and geographically dispersed niche markets; • increased demand for communications services by disaster and relief agencies and emergency first responders; • improved data transmission speeds for mobile satellite service offerings; • regulatory mandates requiring the use of mobile satellite services; • a general reduction in prices of mobile satellite services and subscriber equipment; and 46 • geographic market expansion through the ability to offer our services in additional countries.
Material Trends and Uncertainties Our industry and customer base have historically grown as a result of: • demand for remote and reliable mobile communications services; • a growing number of new products and services and related applications; • a broad wholesale distribution network with access to diverse and geographically dispersed niche markets; • increased demand for communications services by disaster and relief agencies and emergency first responders; • improved data transmission speeds for mobile satellite service offerings; • regulatory mandates requiring the use of mobile satellite services; • a general reduction in prices of mobile satellite services and subscriber equipment; and • geographic market expansion through the ability to offer our services in additional countries.
The Revolving Facility bears interest at an annual rate of SOFR plus 2.25% (but without a SOFR floor) if and as drawn, with no original issue discount, a commitment fee of 0.5% per year on the undrawn amount, which is reduced to 0.375% if we have a consolidated first lien net leverage ratio, as defined in the Credit Agreement, of less than 3.5 to 1.
The Revolving Facility bears interest at an annual rate of SOFR plus 2.5% (but without a SOFR floor) if and as drawn, with no original issue discount, a commitment fee of 0.5% per year on the undrawn amount, which is reduced to 0.375% if we have a consolidated first lien net leverage ratio, as defined in the Credit Agreement, of less than 3.5 to 1.
The Term Loan has been repriced on several occasions, most recently in June 2024, and currently bears interest at an annual rate equal to the Secured Overnight Financing Rate, or SOFR, plus 2.25%, with a 0.75% SOFR floor. We typically select a one-month interest period, with the result that interest is calculated using one-month SOFR.
The Term Loan has been repriced on several occasions, most recently in June 2024, and currently bears interest at an annual rate equal to the Secured Overnight Financing Rate (SOFR) plus 2.25%, with a 0.75% SOFR floor. We typically select a one-month interest period, with the result that interest is calculated using one-month SOFR.
The preparation of these financial statements requires the use of estimates and judgments that affect the reported amounts of assets, liabilities, revenue and expenses, and related disclosure of contingent assets and liabilities. On an ongoing basis, we evaluate our estimates, including those related to revenue recognition, income taxes, useful lives of property and equipment, loss contingencies, and other estimates.
GAAP). The preparation of these financial statements requires the use of estimates and judgments that affect the reported amounts of assets, liabilities, revenue and expenses, and related disclosure of contingent assets and liabilities. On an ongoing basis, we evaluate our estimates, including those related to revenue recognition, income taxes, useful lives of property and equipment, loss contingencies, and other estimates.
We provide airtime and airtime support to U.S. government and other authorized customers pursuant to our Enhanced Mobile Satellite Services, or EMSS, contract. Under the terms of this agreement, which we entered into in September 2019, authorized customers utilize specified Iridium airtime services provided through the U.S. government’s dedicated gateway.
We provide airtime and airtime support to U.S. government and other authorized customers pursuant to our Enhanced Mobile Satellite Services (EMSS) contract. Under the terms of this agreement, which we entered into in September 2019, authorized customers utilize specified Iridium airtime services provided through the U.S. government’s dedicated gateway.
If actual results are not consistent with our estimates and assumptions, this may result in material changes to our income tax provision. 47 Property and Equipment Property and equipment are stated at cost, less accumulated depreciation and amortization. Property and equipment are depreciated or amortized over their estimated useful lives.
If actual results are not consistent with our estimates and assumptions, this may result in material changes to our income tax provision. Property and Equipment Property and equipment are stated at cost, less accumulated depreciation and amortization. Property and equipment are depreciated or amortized over their estimated useful lives.
Due to the refinancing of the Term Loan in 2023, we incurred third-party financing costs of $15.9 million, of which $14.7 million was expensed. These costs are included within interest expense on the consolidated statements of operations and comprehensive income (loss).
Due to the refinancing of the Term Loan in 2023, we incurred third-party financing costs of $15.9 million, of which $14.7 million was expensed. These costs are included within interest expense on the consolidated statements of operations and comprehensive income.
(2) Average monthly revenue per unit, or ARPU, is calculated by dividing revenue in the respective period by the average of the number of billable subscribers at the beginning of the period and the number of billable subscribers at the end of the period and then dividing the result by the number of months in the period.
(2) Average monthly revenue per unit (ARPU) is calculated by dividing revenue in the respective period by the average of the number of billable subscribers at the beginning of the period and the number of billable subscribers at the end of the period and then dividing the result by the number of months in the period.
Our low-earth orbit, L-band satellite network provides reliable, weather-resilient communications services to regions of the world where terrestrial wireless or wireline networks do not exist or are limited, including remote land areas, open ocean, airways, the polar regions and regions where the telecommunications infrastructure has been affected by political conflicts or natural disasters.
Our low-Earth orbit, L-band satellite network provides reliable, weather-resilient communications services to regions of the world where terrestrial wireless or wireline networks do not exist or are limited, including remote land areas, open ocean, airways, the polar regions and regions where the telecommunications infrastructure has been compromised by political conflicts or natural disasters.
The Cap provides us the right to receive payment from the counterparty if one-month SOFR exceeds 1.436%. We began paying a fixed monthly premium based on an annual rate of 0.31% for the Cap in December 2021. The Cap carried a notional amount of $1.0 billion as of December 31, 2024 and 2023.
The Cap provides us the right to receive payment from the counterparty if one-month SOFR exceeds 1.436%. We began paying a fixed monthly premium based on an annual rate of 0.31% for the Cap in December 2021. The Cap carried a notional amount of $1.0 billion as of December 31, 2025 and 2024.
The Credit Agreement provides for specified exceptions, including baskets measured as a percentage of trailing 45 twelve months of earnings before interest, taxes, depreciation and amortization, or EBITDA, and unlimited exceptions in the case of incurring indebtedness and liens and making investments, dividend payments, and payments of subordinated indebtedness, based on achievement and maintenance of specified leverage ratios.
The Credit Agreement provides for specified exceptions, including baskets measured as a percentage of trailing twelve months of earnings before interest, taxes, depreciation and amortization (EBITDA), and unlimited exceptions in the case of incurring indebtedness and liens and making investments, dividend payments, and payments of subordinated indebtedness, based on achievement and maintenance of specified leverage ratios.
If our current estimates change in future periods, the impact on the deferred tax assets and liabilities may change correspondingly. See Note 13 to our consolidated financial statements for more detail on the individual items impacting our effective tax rate for the years.
If our current estimates change in future periods, the impact on the deferred tax assets and liabilities may change correspondingly. See Note 12 to our consolidated financial statements for more detail on the individual items impacting our effective tax rate for the years.
See Note 7 to our consolidated financial statements included in this report for further discussion of our derivative financial instruments. Total Interest on Debt and Loss on Extinguishment Total interest incurred includes amortization of deferred financing fees and capitalized interest.
See Note 7 to our consolidated financial statements included in this report for further discussion of our derivative financial instruments. Total Interest on Debt Total interest incurred includes amortization of deferred financing fees and capitalized interest.
Management’s Discussion and Analysis of Financial Condition and Results of Operations A discussion regarding our financial condition and results of operations for the year ended December 31, 2023 compared to the year ended December 31, 2022 can be found in Part II, Item 7, “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, 2023, as filed with the SEC on February 15, 2024.
Management’s Discussion and Analysis of Financial Condition and Results of Operations A discussion regarding our financial condition and results of operations for the year ended December 31, 2024 compared to the year ended December 31, 2023 can be found in Part II, Item 7, “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, as filed with the SEC on February 13, 2025.
Cost of services (exclusive of depreciation and amortization) increased by $19.4 million, or 12%, for the year ended December 31, 2024 compared to the prior year, primarily as a result of increased work under certain government projects, including the SDA contract, as noted above.
Cost of services (exclusive of depreciation and amortization) increased by $19.4 million, or 11%, for the year ended December 31, 2025 compared to the prior year, primarily as a result of increased work under certain government projects, including the SDA contract, as noted above.
This unique architecture minimizes the need for ground facilities to support the constellation, which facilitates the global reach of our services and allows us to offer services in countries and regions where we have no physical presence.
This unique architecture minimizes the need for ground facilities to support the constellation, which facilitates the global reach of our services and allows us to offer services in countries and regions where we have no physical presence. In 2024, we acquired Satelles, Inc.
We have a diverse customer base, including end users in land-mobile, Internet of Things, or IoT, maritime, aviation and government. We recognize revenue primarily from the provision of services and the sale of equipment. Service revenue represented 74% of total revenue for each of the years ended December 31, 2024 and 2023.
We have a diverse customer base, including end users in land-mobile, Internet of Things (IoT), maritime, aviation and government. We recognize revenue primarily from the provision of services and the sale of equipment. Service revenue represented 73% and 74% of total revenue for the years ended December 31, 2025 and 2024, respectively.
We expect engineering and support service revenue to be higher in 2025 than in 2024.
We expect engineering and support service revenue to be higher in 2026 than in 2025.
These distributors often integrate our products and services with other complementary hardware and software and have developed a broad suite of applications for our products and services targeting specific lines of business. At December 31, 2024, we had approximately 2,460,000 billable subscribers worldwide, an increase of 181,000, or 8%, from approximately 2,279,000 billable subscribers at December 31, 2023.
These distributors often 45 integrate our products and services with other complementary hardware and software and have developed a broad suite of applications for our products and services targeting specific lines of business. At December 31, 2025, we had approximately 2,537,000 billable subscribers worldwide, an increase of 77,000, or 3%, from approximately 2,460,000 billable subscribers at December 31, 2024.
Interest is paid monthly on the last business day of the month. Principal payments, payable quarterly, equal $18.3 million per annum, which is one percent of the full principal amount of the Term Loan, with the remaining principal due upon maturity.
Interest is paid monthly on the last business day of the month. Principal payments, payable quarterly, equal $18.3 million per annum (one percent of the full principal amount of the Term Loan following the additional Term Loan amounts borrowed in 2024), with the remaining principal due upon maturity.
For each quarter through March 2024, our Board of Directors declared and paid a quarterly cash dividend in the amount of $0.13 per share of common stock. Beginning in June 2024, the Board of Directors increased the quarterly cash dividend to $0.14 per share of common stock for each quarter through December 2024.
For each quarter through March 2024, our Board of Directors declared and paid a quarterly cash dividend in the amount of $0.13 per share of common stock.
Total interest incurred during the years ended December 31, 2024, 2023 and 2022 was $102.8 million, $102.3 million and $72.1 million, respectively. Interest incurred includes amortization of deferred financing fees of $2.7 million, $4.0 million and $4.8 million for the years ended December 31, 2024, 2023 and 2022, respectively.
Total interest incurred (net of the Cap) during the years ended December 31, 2025, 2024 and 2023 was $98.1 million, $102.8 million and $102.3 million, respectively. Interest incurred includes amortization of deferred financing fees of $2.9 million, $2.7 million and $4.0 million for the years ended December 31, 2025, 2024 and 2023, respectively.
Gain (Loss) on Equity Method Investments For the year ended December 31, 2024, our gain on equity method investments was $15.3 million, compared to a loss of $6.1 million in the prior year.
Gain (Loss) on Equity Method Investments For the year ended December 31, 2025, our loss on equity method investments was $2.8 million, compared to a gain of $15.3 million in the prior year.
Government Service Revenue Year Ended December 31, 2024 2023 Change Revenue Billable Subscribers (1) Revenue Billable Subscribers (1) Revenue Billable Subscribers (Revenue in millions and subscribers in thousands) Government service revenue $ 106.3 141 $ 106.0 145 $ 0.3 (4) (1) Billable subscriber numbers shown are at the end of the respective period.
Government Service Revenue Year Ended December 31, 2025 2024 Change Revenue Billable Subscribers (1) Revenue Billable Subscribers (1) Revenue Billable Subscribers (Revenue in millions and subscribers in thousands) Government service revenue $ 108.0 121 $ 106.3 141 $ 1.7 (20) (1) Billable subscriber numbers shown are at the end of the respective period.
We believe the acquisition of Satelles’s business could generate substantial growth in our service revenue, as well as incremental equipment and engineering services revenue over the coming years from both government and commercial customers.
We believe this acquisition has the potential to generate substantial growth in our service revenue, as well as incremental equipment and engineering services revenue over the coming years from both government and commercial customers.
Nonetheless, we face a number of challenges and uncertainties in operating our business, including: • our ability to maintain the health, capacity, control and level of service of our satellites; • our ability to develop and launch new and innovative products and services; • changes in general economic, business and industry conditions, including the effects of currency exchange rates; • our reliance on a single primary commercial gateway and a primary satellite network operations center; • competition from other mobile satellite service providers and, to a lesser extent, from the expansion of terrestrial-based cellular phone systems and related pricing pressures; • market acceptance of our products; • regulatory requirements in existing and new geographic markets; • challenges associated with global operations, including as a result of conflicts in or affecting markets in which we operate; • rapid and significant technological changes in the telecommunications industry; • our ability to generate sufficient internal cash flows to repay our debt; • reliance on our wholesale distribution network to market and sell our products, services and applications effectively; • reliance on a global supply chain, including single-source suppliers for the manufacture of most of our subscriber equipment and for some of the components required in the manufacture of our end-user subscriber equipment and our ability to purchase component parts that are periodically subject to shortages resulting from surges in demand, natural disasters or other events, including a global pandemic, such as COVID-19; and • reliance on a few significant customers, particularly agencies of the U.S. government, for a substantial portion of our revenue, as a result of which the loss or decline in business with any of these customers may negatively impact our revenue and collectability of related accounts receivable.
Nonetheless, we face a number of challenges and uncertainties in operating our business, including: • our ability to maintain the health, capacity, control and level of service of our satellites; • our ability to develop and launch new and innovative products and services; • changes in general economic, business and industry conditions, including the effects of currency exchange rates; • our reliance on a single primary commercial gateway and a primary satellite network operations center; • increased competition or potential competition from other satellite service providers, including SpaceX following its recently announced plans to acquire a significant amount of spectrum enabling global D2D services, and, to a lesser extent, from the expansion of terrestrial-based cellular phone systems and related pricing pressures; • market acceptance of our products; • regulatory requirements in existing and new geographic markets; • challenges associated with global operations, including as a result of conflicts in or affecting markets in which we operate; • rapid and significant technological changes in the telecommunications industry, including announced plans for global satellite D2D broadband services; • our ability to generate sufficient internal cash flows to repay our debt; • reliance on our wholesale distribution network to market and sell our products, services and applications effectively; • reliance on a global supply chain, including single-source suppliers for the manufacture of most of our subscriber equipment and for some of the components required in the manufacture of our end-user subscriber equipment and our ability to purchase component parts that are periodically subject to shortages resulting from surges in demand, natural disasters or other events, including a global pandemic; and • reliance on a few significant customers, particularly agencies of the U.S. government, for a substantial portion of our revenue, as a result of which the loss or decline in business with any of these customers may negatively impact our revenue and collectability of related accounts receivable, including as a result of an extended government shutdown or the use of continuing resolutions. 46 Critical Accounting Policies and Estimates The discussion and analysis of our financial condition and results of operations is based upon our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States (U.S.
The Credit Agreement contains other customary representations and warranties, affirmative and negative covenants, and events of default. The Credit Agreement restricts our ability to incur liens, engage in mergers or asset sales, pay dividends, repay subordinated indebtedness, incur indebtedness, make investments and loans, and engage in other transactions as specified in the Credit Agreement.
The Credit Agreement restricts our ability to incur liens, engage in mergers or asset sales, pay dividends, repay subordinated indebtedness, incur indebtedness, make investments and loans, and engage in other transactions as specified in the Credit Agreement.
Engineering and Support Service Revenue Year Ended December 31, 2024 2023 Change (In millions) Commercial $ 7.3 $ 11.0 $ (3.7) Government 117.0 90.1 26.9 Total $ 124.3 $ 101.1 $ 23.2 Engineering and support service revenue increased by $23.2 million, or 23%, for the year ended December 31, 2024 compared to the prior year primarily due to the increased work under certain government projects, predominantly the contract awarded by the Space Development Agency, or the SDA, offset in part by decreases in commercial engineering projects.
Engineering and Support Service Revenue Year Ended December 31, 2025 2024 Change (In millions) Commercial $ 7.6 $ 7.3 $ 0.3 Government 149.0 117.0 32.0 Total $ 156.6 $ 124.3 $ 32.3 Engineering and support service revenue increased by $32.3 million, or 26%, for the year ended December 31, 2025 compared to the prior year, primarily due to the increased work under certain government projects, predominantly the contract awarded by the Space Development Agency (SDA).
These sources are expected to meet our short-term and long-term liquidity needs, including annual payments for (i) required principal and interest on the Term Loan, which we expect to be $33.1 million inclusive of the mandatory excess cash flow prepayment in 2025, and, based on the current interest rate, approximately $96.0 million, respectively, (ii) capital expenditures, of approximately $90.0 million in 2025 and moderating through the end of the decade, (iii) working capital, (iv) potential share repurchases, and (v) anticipated cash dividend payments to holders of our common stock.
These sources are expected to meet our short-term and long-term liquidity needs, including annual payments for (i) required principal and interest on the Term Loan, which we expect to be $3.4 million, and, based on the current interest rate, approximately $85.0 million, respectively, (ii) capital expenditures in 2026 will be consistent with 2025, (iii) working capital, (iv) potential share repurchases, and (v) anticipated cash dividend payments to holders of our common stock.
With respect to the Revolving Facility, we are required to maintain a consolidated first lien net leverage ratio of no greater than 6.25 to 1 if more than 35% of the Revolving Facility has been drawn, or subject to letter of credit exposure. As of December 31, 2024, the aggregate exposure under the Revolving Facility was less than 35%.
Our Term Loan contains no financial maintenance covenants. With respect to the Revolving Facility, we are required to maintain a consolidated first lien net leverage ratio of no greater than 6.25 to 1 if more than 35% of the Revolving Facility has been drawn, or subject to letter of credit exposure.
Commercial IoT revenue increased $25.2 million, or 18%, compared to the prior year, driven by a 10% increase in IoT billable subscribers primarily in users of personal communications devices, and a new contract with a large customer executed in the first quarter of 2024.
Commercial IoT revenue increased $15.2 million, or 9%, compared to the prior year, driven primarily by a 6% increase in IoT billable subscribers and an increase in a contract with a large customer previously executed in the first quarter of 2024.
The decrease in income tax benefit is primarily related to the net impact of (i) pre-tax book income in the current year compared to pre-tax book loss in the prior year, (ii) a decrease in estimated R&D credits, (iii) an increased stock compensation tax expense, and (iv) a tax benefit for the Foreign Derived Intangible Income deduction.
The increase in income tax expense is primarily related to the net impact of (i) an increase in pre-tax book income in the current year compared to the prior year, (ii) a decrease in estimated research and development credits, (iii) an increase in state deferred tax expense, (iv) a decrease in tax benefit from the Foreign Derived Intangible Income deduction, and (v) a decrease in tax expense from nondeductible executive compensation.
The gain in 2024 primarily reflects the acquisition of Satelles, as we recorded a $19.8 million gain on our pre-acquisition equity method investment in Satelles, offset in part by the portion of losses recorded on other equity method investments. The prior year reflects the portion of losses recorded on equity method investments, including Satelles, during the period.
The change is primarily the result of the acquisition of Satelles in 2024, upon which we recorded a $19.8 million gain on our pre-acquisition equity method investment in Satelles, offset in part by the portion of losses recorded on other equity method investments.
Overview of Our Business We are engaged primarily in providing mobile voice and data communications services using a constellation of orbiting satellites. We are the only commercial provider of communications services offering true global coverage, connecting people, organizations and assets to and from anywhere, in real time.
Overview of Our Business We are a leading provider of global voice, data and positioning, navigation and timing (PNT) satellite services and are the only commercial provider of communications services offering true global coverage, connecting people, organizations and assets to and from anywhere, in real time.
We expect our capital expenditures to be $90.0 million in 2025 and moderate through the end of the decade. 53 Cash Flows from Financing Activities Net cash used in financing activities for the year ended December 31, 2024 decreased $156.6 million compared to the prior year period primarily due to the additional $325.0 million in borrowings under the Term Loan, offset in part by increased repurchases of our common stock.
Cash Flows from Financing Activities Net cash used in financing activities for the year ended December 31, 2025 increased $129.4 million compared to the prior year period, primarily due to the additional $325.0 million in borrowings under the Term Loan in the prior year, offset in part by decreased repurchases of our common stock in the current year. U.S.
See Note 12 to our consolidated financial statements included in this annual report. 44 We sell our products and services to commercial end users through a wholesale distribution network, encompassing approximately 110 service providers, 310 value-added resellers, or VARs, and 85 value-added manufacturers, or VAMs, who either sell directly to the end user or indirectly through other service providers, VARs or dealers.
We sell our products and services to commercial end users through a wholesale distribution network, encompassing approximately 120 service providers, 310 value-added resellers (VARs), and 90 value-added manufacturers (VAMs), which either sell directly to the end user or indirectly through other service providers, VARs or dealers.
Contractual Obligations As of December 31, 2024, we held non-cancelable purchase obligations of approximately $9.3 million for inventory purchases with Benchmark, our primary third-party equipment supplier. Our purchase obligations, all of which are due during 2025, decreased $12.2 million from the end of 2023 primarily due to recovery from supply chain constraints.
Contractual Obligations As of December 31, 2025, we held non-cancelable purchase obligations of approximately $8.4 million for inventory purchases with Benchmark, our primary third-party equipment supplier. Our purchase obligations, all of which are due during 2026, remained relatively consistent, decreasing $0.9 million from the end of 2024.
Cash Flows from Investing Activities Net cash used in investing activities for the year ended December 31, 2024 increased $97.1 million from the prior year period primarily as a result of our acquisition of Satelles on April 1, 2024, offset in part by a decrease in capital expenditures compared to the prior year.
Cash Flows from Investing Activities Net cash used in investing activities for the year ended December 31, 2025 decreased $80.3 million from the prior year period primarily as a result of our acquisition of Satelles in 2024, offset in part by an increase in capital expenditures, including costs associated with Iridium NTN Direct, compared to the prior year.
Cost of subscriber equipment decreased $14.0 million, or 21%, for the year ended December 31, 2024 compared to the prior year period primarily due to the decrease in volume of device sales, as described above, and decreased inventory component costs.
Cost of subscriber equipment decreased $2.0 million, or 4%, for the year ended December 31, 2025 compared to the prior year period, primarily due to the decrease in volume of device sales, as described above, offset in part by an increase in inventory reserves associated with revaluation and obsolescence.
The maturity date of the Term Loan is in September 2030. During the year ended December 31, 2024, we borrowed an additional $325.0 million under our Term Loan, comprised of $125.0 million on March 25, 2024 and $200.0 million on July 30, 2024.
During the year ended December 31, 2024, we borrowed an additional $325.0 million under our Term Loan, comprised of $125.0 million on March 25, 2024, issued at a price equal to 99.875% of its face value, and $200.0 million on July 30, 2024, issued at 99.0% of its face value.
This amount was repaid with the expansion of the Term Loan in July 2024, and there were no amounts outstanding under the Revolving Facility as of December 31, 2024. The remaining proceeds from the July 2024 additional Term Loan have been used for general corporate purposes, including share repurchases.
In April 2024, we drew $50.0 million on our Revolving Facility for general corporate purposes, including the funding of repurchases of our common stock. This amount was repaid with the expansion of the Term Loan in July 2024, and there were no amounts outstanding under the Revolving Facility as of December 31, 2024.
As of December 31, 2024, we reported an aggregate balance of $1,807.7 million in borrowings under the Term Loan, before $16.9 million of net deferred financing costs, for a net principal balance of $1,790.9 million outstanding in our consolidated balance sheet. Our Revolving Facility was undrawn as of December 31, 2024. Our Term Loan contains no financial maintenance covenants.
As of December 31, 2025, we reported an aggregate balance of $1,774.7 million in borrowings under the Term Loan, before $14.2 million of net deferred financing costs, for a net principal balance of $1,760.5 million outstanding in our consolidated balance sheet.
Cash Flows - Comparison of the Years Ended December 31, 2024 and 2023 The following table shows our consolidated cash flows: Year Ended December 31, Statement of Cash Flows 2024 2023 Change (in thousands) Net cash provided by operating activities $ 375,955 $ 314,913 $ 61,042 Net cash used in investing activities $ (180,603) $ (83,487) $ (97,116) Net cash used in financing activities $ (170,481) $ (327,052) $ 156,571 Cash Flows from Operating Activities Net cash provided by operating activities for the year ended December 31, 2024 increased $61.0 million from the prior year.
Cash Flows - Comparison of the Years Ended December 31, 2025 and 2024 The following table shows our consolidated cash flows: Year Ended December 31, Statement of Cash Flows 2025 2024 Change (in thousands) Net cash provided by operating activities $ 400,073 $ 375,955 $ 24,118 Net cash used in investing activities $ (100,280) $ (180,603) $ 80,323 Net cash used in financing activities $ (299,910) $ (170,481) $ (129,429) Cash Flows from Operating Activities Net cash provided by operating activities for the year ended December 31, 2025 increased $24.1 million from the prior year.
Interest capitalized during the years ended December 31, 2024, 2023 and 2022 was $5.0 million, $5.1 million and $2.6 million, respectively. As of December 31, 2024 and 2023, accrued interest on the Term Loan was $0.3 million and $1.0 million, respectively.
Interest capitalized during the years ended December 31, 2025, 2024 and 2023 was $4.6 million, $5.0 million and $5.1 million, respectively. As of December 31, 2025 and 2024, accrued interest on the Term Loan was $0.3 million and $1.0 million, respectively. U.S. Government A significant portion of our revenues and cash flow are derived from U.S. government contracts.
The proceeds from the March 2024 additional Term Loan were used for the acquisition of Satelles on April 1, 2024. In April 2024, we drew down $50.0 million on our Revolving Facility for general corporate purposes, including the funding of repurchases of our common stock.
In the first half of 2025, we drew $50.0 million under our Revolving Facility for general corporate purposes, all of which was repaid in December 2025, and there were no amounts outstanding as of December 31, 2025. The proceeds from the March 2024 additional Term Loan were used for the acquisition of Satelles on April 1, 2024.
Billable subscriber and ARPU data is not applicable for hosted payload and other data service revenue items. (3) Commercial broadband consists of Iridium OpenPort and Iridium Certus broadband services. For the year ended December 31, 2024, total commercial service revenue increased $30.2 million, or 6%, primarily as a result of increases in IoT and voice and data services revenue.
For the year ended December 31, 2025, total commercial service revenue increased $17.3 million, or 3%, primarily as a result of increases in IoT data, voice and data and hosted payload and other data service revenue, offset in part by a decrease in broadband.
The additional amounts borrowed are fungible with the original $1,500.0 million, and have the same maturity date, interest rate and other terms. The additional $125.0 million was issued at a price equal to 99.875% of its face value, while the additional $200.0 million was issued at a price equal to 99.0% of its face value.
The additional amounts borrowed are fungible with the original $1,500.0 million, and have the same maturity date, interest rate and other terms.
Our effective tax rate was approximately 11.2% for the year ended December 31, 2024 compared to 553.0% for the prior year.
Income Tax Expense For the year ended December 31, 2025, our income tax expense was $27.6 million, compared to $12.3 million for the prior year. Our effective tax rate was approximately 19.1% for the year ended December 31, 2025 compared to 11.2% for the prior year.
Time synchronization and location data play an important role in the global economy, particularly for major industries supported by critical infrastructure, such as financial services, telecommunications, cyber-security and transportation.
(Satelles), a provider of highly secure, satellite-based PNT services that complement and protect GPS and other Global Navigation Satellite System reliant systems. Time synchronization and location data play an important role in the global economy, particularly for major industries supported by critical infrastructure, such as financial services, telecommunications, cybersecurity and transportation.
Seasonality Our results of operations have been subject to seasonal usage changes for commercial customers, and we expect that our results will be affected by similar seasonality going forward. March through October are typically the peak months for commercial voice services revenue and related subscriber equipment sales.
March through October are typically the peak months for commercial voice services revenue and related subscriber equipment sales. U.S. government revenue and commercial IoT revenue have been less subject to seasonal usage changes.
The Revolving Facility has a maturity date in September 2028. See Note 6 to the consolidated financial statements included in this annual report for further discussion of our Term Loan and Revolving Facility.
See Note 6 to 52 the consolidated financial statements included in this annual report for further discussion of our Term Loan and Revolving Facility. Derivative Financial Instruments In July 2021, we entered into an interest rate cap agreement (“Cap”) that began in December 2021.
Our mandatory excess cash flow prepayment, as specified in the Credit Agreement, was $28.6 million as of December 31, 2024. This amount is scheduled to be paid in 2025 and will be applied towards our required quarterly principal payments. As such, it was classified under current short-term secured debt in our consolidated balance sheet as of December 31, 2024.
The Company’s mandatory excess cash flow prepayment, as specified in the Credit Agreement, was $28.6 million as of December 31, 2024. This amount was paid in May 2025. As a result, no quarterly principal payment was required for the last three quarters of 2025, and no quarterly principal payment will be required for the first three quarters of 2026.
Commercial voice and data revenue increased $6.9 million, or 3%, from the prior year primarily due to an increase in billable subscribers. Commercial broadband revenue decreased $1.8 million, or 3%, compared to the prior year, due to a decrease in ARPU reflecting the increased prevalence of usage of our service as a companion service.
Commercial voice and data revenue increased $6.1 million, or 3%, from the prior year, primarily due to increased ARPU from price increases in the third quarter of 2025.
Revenue for the year ended December 31, 2024 rose slightly reflecting a contractual step up in the EMSS contract on September 15, 2024. 50 Subscriber Equipment Revenue Subscriber equipment revenue decreased $13.7 million, or 13%, to $91.4 million for the year ended December 31, 2024 compared to the prior year, primarily due to a decrease in the volume of handset sales, offset in part by an increase in Short Burst Data sales.
We have begun discussions with the U.S. government on a new EMSS contract, which we expect to enter into later in 2026 or in 2027, prior to expiration. 49 Subscriber Equipment Revenue Subscriber equipment revenue decreased $10.3 million, or 11%, to $81.1 million for the year ended December 31, 2025 compared to the prior year, primarily due to a decrease in the volume of handset sales and in Short Burst Data device sales, offset in part by an increase in Certus device sales.
As of December 31, 2024, our total cash and cash equivalents balance was $93.5 million, up from $71.9 million as of December 31, 2023. The increase was principally the result of additional Term Loan borrowings in 2024, offset in part by an increase in share repurchases.
As of December 31, 2025, our total cash and cash equivalents balance was $96.5 million, up from $93.5 million as of December 31, 2024.
We expect that depreciation expense will generally remain in line with 2024 depreciation expense for the remainder of the estimated useful lives. Other Expense Interest Expense, net Interest expense, net, for the year ended December 31, 2024 was $91.1 million, compared to $90.4 million for the prior year.
Other Expense Interest Expense, net Interest expense, net, for the year ended December 31, 2025 was $88.3 million, compared to $91.1 million for the prior year.
The Credit Agreement permits repayment, prepayment, and repricing transactions. We were in compliance with all covenants under the Credit Agreement as of December 31, 2024. Derivative Financial Instruments In July 2021, we entered into an interest rate cap agreement, or the Cap, that began in December 2021.
As of December 31, 2025, the Company was below the specified leverage ratio and therefore the mandatory prepayment sweep was not required. The Credit Agreement permits repayment, prepayment and repricing transactions. We were in compliance with all covenants under the Credit Agreement as of December 31, 2025.
At December 31, 2024, we had $1.8 billion of indebtedness, consisting exclusively of amounts outstanding under the Term Loan, 52 the terms of which are described above under the section captioned “Term Loan.” We have additional borrowing available to us under our Revolving Facility of $100.0 million at December 31, 2024.
Liquidity and Capital Resources Our primary sources of liquidity are cash provided by operations, cash and cash equivalents and our Revolving Facility. At December 31, 2025, we had approximately $1.8 billion of indebtedness, consisting of amounts outstanding under the Term Loan, the terms of which are described below.
The improvement primarily resulted from the decrease in depreciation expense, an increase in revenues, and the gain on equity method investments, as noted above, offset in part by an increase in income taxes and an increase in operating expenses other than depreciation.
Net Income Net income was $114.4 million for the year ended December 31, 2025, compared to $112.8 million during the prior year. The change in net income primarily resulted from the increase in operating income, primarily driven by increased revenues, offset in part by the change in the equity method investments and an increase in income taxes, as noted above.
The fee is not based on subscribers or usage, allowing an unlimited number of users access to these services.
The service fee under the EMSS contract is fixed at $110.5 million per year for the remainder of the term and is not based on subscribers or usage, allowing an unlimited number of users access to these services. Revenue for the year ended December 31, 2025 increased slightly reflecting contractual step ups in the EMSS contract.
Term Loan and Revolving Facility On September 20, 2023, pursuant to a credit agreement (or, as amended to date, the Credit Agreement), we refinanced our previously existing term loan resulting in borrowing of $1,500.0 million, or the Term Loan, issued at a price equal to 99.75%, and an accompanying $100.0 million revolving loan, or the Revolving Facility.
While we generated greater cash flows from operations, and used less cash for share repurchases in 2025 than in 2024, these factors were offset in part by increased capital expenditures. 51 Term Loan and Revolving Facility Pursuant to a credit agreement (as amended to date, the “Credit Agreement”), we previously entered into a term loan totaling $1,500.0 million (the “Term Loan”), issued at a price equal to 99.75%, and an accompanying $100.0 million revolving loan (the “Revolving Facility”).
Research and Development Research and development expenses increased by $8.2 million, or 40%, for the year ended December 31, 2024 compared to the prior year period based on increased spending by Satelles since its acquisition and other device-related features for our network, including Project Stardust, which is our multi-year project to develop Iridium NTN DirectSM, our standards-based Narrowband-Internet of Things (NB-IoT) and Non-Terrestrial Network (NB-NTN) messaging and SOS capabilities for smartphones, tablets, cars and related consumer applications.
Research and Development Research and development expenses decreased by $8.7 million, or 30%, for the year ended December 31, 2025 compared to the prior year period based on decreased spending on device-related features for our network.
Selling, General and Administrative Selling, general and administrative expenses that are not directly attributable to the sale of services or products include sales and marketing costs as well as employee-related expenses (such as salaries, wages, and benefits), legal, finance, information technology, facilities, billing and customer care expenses. 51 Selling, general and administrative expenses increased by $24.5 million, or 17%, for the year ended December 31, 2024, primarily due to personnel costs from increased headcount and related costs, including higher employee stock-based compensation expense, increased expense from Satelles and related acquisition costs and certain costs that were previously recorded in cost of services, offset in part by a decrease in regulatory fees, decreased spending related to our channel partner conference which was held in the first quarter of the prior year and a decrease in stock appreciation rights expense in the current year resulting from a decrease in our stock valuation between the years.
Selling, General and Administrative Selling, general and administrative expenses that are not directly attributable to the sale of services or products include sales and marketing costs as well as employee-related expenses (such as salaries, wages, and benefits), legal, finance, information technology, facilities, billing and customer care expenses.
The prior year balance was primarily the result of a one-time customer contractual settlement which resulted in recognition of $3.5 million of other income in the fourth quarter of 2023. Income Tax Benefit (Expense) For the year ended December 31, 2024, our income tax expense was $12.3 million, compared to income tax benefit of $26.3 million for the prior year.
Other Income (Expense), net Other expense, net, was $2.9 million for the year ended December 31, 2025, compared to other income, net of $0.5 million for the prior year, primarily as the result of changes in foreign currency exchange rates.
While we expect to continue the regular cash dividend program, any future dividends declared will be at the discretion of our Board of Directors and will depend, among other factors, upon our results of operations, financial condition and cash requirements, as well as such other factors our Board of Directors deems relevant.
We currently expect that comparable cash dividends will 53 continue to be paid in the future, although future dividends will depend on our earnings, capital requirements, financial conditions and other factors considered relevant by the Board.