Biggest changeWe remain committed to maintaining strong liquidity and believe that our cash position, undrawn Revolving Credit Agreement, and debt maturity profile should provide us ample resources and time to address potential future growth opportunities and to improve our returns. 37 Table of Contents / Changes impacting our cash and cash equivalents for the years ended December 31, 2022, 2021 and 2020 are summarized as follows: Year ended December 31, (in thousands) 2022 2021 2020 Changes in Cash: Net Cash Provided by Operating Activities $ 120,883 $ 225,314 $ 136,647 Net Cash Used in Investing Activities (76,865) (34,157) (52,590) Net Cash Used in Financing Activities (1,862) (101,682) (1,699) Effect of exchange rates on cash (11,525) (3,377) (3,997) Net Increase (Decrease) in Cash and Cash Equivalents $ 30,631 $ 86,098 $ 78,361 Operating activities Our primary sources and uses of cash from operating activities for the years ended December 31, 2022, 2021 and 2020 are as follows: Year ended December 31, (in thousands) 2022 2021 2020 Cash Flows from Operating Activities: Net income (loss) $ 25,941 $ (49,307) $ (496,751) Noncash adjustments: Depreciation and amortization, including goodwill impairment 120,969 139,723 528,895 Loss on impairment of long-lived assets — — 70,445 Provision for Evergrande loss, net — 29,549 — Deferred income tax provision (benefit) 829 (1,798) (4,158) Inventory write-downs — — 7,038 Other noncash 7,713 7,475 6,167 Total noncash adjustments 129,511 174,949 608,387 Accounts receivable and contract assets (50,732) 41,099 125,541 Inventory (30,692) 7,313 26,466 Current liabilities 67,253 63,051 (138,932) Other changes (20,398) (11,791) 11,936 Net Cash Provided by Operating Activities $ 120,883 $ 225,314 $ 136,647 Net cash provided by operating activities for the years ended December 31, 2022 and 2021 of $121 million and $225 million, respectively, was affected by the following: • Accounts receivable and contract assets - The decrease in cash related to accounts receivable and contract assets in 2022 reflects the increase in accounts receivable corresponding with the increase in revenue as compared to the prior year, along with the timing of project milestones and customer payments.
Biggest changeOur primary sources and uses of cash from operating activities for the years ended December 31, 2023 and 2022 are as follows: Year ended December 31, (in thousands) 2023 2022 Cash Flows from Operating Activities: Net income (loss) $ 97,403 $ 25,941 Noncash adjustments: Depreciation and amortization 104,960 120,969 Deferred income tax provision (benefit) (26,785) 829 Other noncash 13,415 7,713 Total noncash adjustments 91,590 129,511 Accounts receivable and contract assets (83,075) (50,732) Inventory (25,423) (30,692) Current liabilities 125,695 67,253 Other changes 3,765 (20,398) Net Cash Provided by Operating Activities $ 209,955 $ 120,883 Net cash provided by operating activities for the years ended December 31, 2023 and 2022 of $210 million and $121 million, respectively, was affected by the following: • Accounts receivable and contract assets - The decrease in cash related to accounts receivable and contract assets in 2023 and 2022 reflects the increase in accounts receivable corresponding with the increase in revenue as compared to the prior year, along with the timing of project milestones and customer payments. • Inventory - The decrease in cash related to inventory in 2023 and 2022 corresponds with an increase in our backlog along with the impact of higher inflation in 2023 and 2022. • Current liabilities - The increase in cash related to current liabilities in 2023 and 2022 reflects the timing of vendor payments and increased contract liabilities due to an increase in deferred customer prepayments.
We may borrow under the Revolving Credit Facility at either (1) a base rate, determined as the greatest of (A) the prime rate of Wells Fargo Bank, National Association, (B) the federal funds effective rate plus 1⁄2 of 1% and (C) Adjusted Term SOFR (as defined in the Revolving Credit Agreement for a one-month tenor plus 1%, in each case plus the applicable margin, which varies from 1.25% to 2.25% depending on our Consolidated Net Leverage Ratio (as defined in the Revolving Credit Agreement), or (2) Adjusted Term Secured Overnight Financing Rate (“SOFR”) plus the applicable margin, which varies from 2.25% to 3.25% depending on our Consolidated Net Leverage Ratio.
We may borrow under the Revolving Credit Facility at either (1) a base rate, determined as the greatest of (A) the prime rate of Wells Fargo Bank, National Association, (B) the federal funds effective rate plus 1 ⁄ 2 of 1% and (C) Adjusted Term Secured Overnight Financing Rate (“SOFR”) (as defined in the Revolving Credit Agreement for a one-month tenor plus 1%, in each case plus the applicable margin, which varies from 1.25% to 2.25% depending on our Consolidated Net Leverage Ratio (as defined in the Revolving Credit Agreement), or (2) Adjusted Term SOFR plus the applicable margin, which varies from 2.25% to 3.25% depending on our Consolidated Net Leverage Ratio.
The plan does not obligate us to repurchase any particular number of shares. Because of our significant foreign operations, we are exposed to currency fluctuations and exchange rate risks. A stronger U.S. dollar against any of the foreign currencies where we conduct business could result in lower operating income.
The plan does not obligate us to repurchase any particular number of shares. Foreign Currency Adjustments. Because of our significant foreign operations, we are exposed to currency fluctuations and exchange rate risks. A stronger U.S. dollar against any of the foreign currencies where we conduct business could result in lower operating income.
These costs, net of accumulated amortization, are included as a reduction of long-term debt in our Consolidated Balance Sheets, as they pertain to the Senior Notes, and in other noncurrent assets as they pertain to the Revolving Credit Agreement.
These costs, net of accumulated amortization, are included as a reduction of long-term debt in our Consolidated Balance Sheets, as they pertain to the 2028 Senior Notes, and in other noncurrent assets as they pertain to the Revolving Credit Agreement.
During the year ended December 31, 2022, we retired 10 of our conventional work-class ROV systems and replaced them with eight upgraded conventional work-class ROV systems and two Isurus TM work-class ROV systems (which are capable of operating in severe conditions and are ideal for renewables projects and high-speed surveys), which are currently engaged in renewables work.
During the year ended December 31, 2022, we retired 10 of our conventional work-class ROV systems and replaced them with eight upgraded conventional work-class ROV systems and two Isurus TM work-class ROV systems (which are capable of operating in severe conditions and are ideal for renewables projects and high-speed surveys).
We generally minimize these risks primarily through matching, to the extent possible, revenue and expense in the various currencies in which we operate. Cumulative translation adjustments as of December 31, 2022 relate primarily to our net investments in, including long-term loans to, our foreign subsidiaries.
We generally minimize these risks primarily through matching, to the extent possible, revenue and expense in the various currencies in which we operate. Cumulative translation adjustments as of December 31, 2023 relate primarily to our net investments in, including long-term loans to, our foreign subsidiaries.
Financial Statements and Supplementary Data” elsewhere in this annual report on Form 10-K. For management's discussion and analysis of our financial condition and results of operations for fiscal year 2021 as compared to fiscal year 2020 please refer to Part II, Item 7.
Financial Statements and Supplementary Data” elsewhere in this annual report on Form 10-K. For management's discussion and analysis of our financial condition and results of operations for fiscal year 2022 as compared to fiscal year 2021, please refer to Part II, Item 7.
The program calls for any repurchases to be made in the open market, or in privately 40 Table of Contents / negotiated transactions from time to time, in compliance with applicable laws, rules and regulations, including Rule 10b-18 under the Securities Exchange Act of 1934, as amended, subject to market and business conditions, levels of available liquidity, cash requirements for other purposes, applicable legal requirements and other relevant factors.
The program calls for any repurchases to be made in the open market, or in privately negotiated transactions from time to time, in compliance with applicable laws, rules and regulations, including Rule 10b-18 under the Securities Exchange Act of 1934, as amended, subject to market and business conditions, levels of available liquidity, cash requirements for other purposes, applicable legal requirements and other relevant factors.
We are committed to the research and development of products and services intended to help our Energy business customers to produce energy safely and securely, with decreased risk to humans and sea life and reduced environmental impacts.
We are committed to the research and development of products and services intended to help our Energy business (defined below) customers to produce energy safely and securely, with decreased risk to humans and sea life and reduced environmental impacts.
The Revolving Credit Agreement includes financial covenants that are tested on a quarterly basis, based on the rolling four-quarter period that ends on the last day of each fiscal quarter. The maximum permitted Consolidated Net Leverage Ratio is initially 4.00 to 1.00 and decreases to 3.25 to 1.00 during the term of the Revolving Credit Facility.
The Revolving Credit Agreement includes financial covenants that are tested on a quarterly basis, based on the rolling four-quarter period that ends on the last day of each fiscal quarter. The maximum permitted Consolidated Net Leverage Ratio is initially 4.00 to 1.00 and will decrease to 3.25 to 1.00 during the term of the Revolving Credit Facility.
Historically, we built new ROVs to increase the size of our fleet in response to demand to support deepwater drilling and vessel-based IMR and installation work. These vehicles are designed for use around the world in water depths of 10,000 feet or more.
Historically, we built new ROVs to increase the size of our fleet in response to demand to support deepwater drilling and vessel-based IMR and installation work. These vehicles are designed for use around 36 Table of Contents / the world in water depths of 10,000 feet or more.
If such impairment indicators are present or other factors exist that indicate that the carrying amount of an asset may not be recoverable, we determine whether an impairment has occurred through the use of an undiscounted cash flows analysis of the asset at the lowest level for which 41 Table of Contents / identifiable cash flows exist.
If such impairment indicators are present or other factors exist that indicate that the carrying amount of an asset may not be recoverable, we determine whether an impairment has occurred through the use of an undiscounted cash flows analysis of the asset at the lowest level for which identifiable cash flows exist.
We did not have any material adjustments during the years ended December 31, 2022, 2021 or 2020, however, should our judgments and estimates regarding the elements of revenue recognition change, it could have a material effect on our results of operations for the periods involved. Impairment of Property and Equipment, Long-lived Intangible Assets and Right-of-Use Operating Lease Assets.
We did not have any material adjustments during the years ended December 31, 2023 and 2022, however, should our judgments and estimates regarding the elements of revenue recognition change, it could have a material effect on our results of operations for the periods involved. Impairment of Property and Equipment, Long-lived Intangible Assets and Right-of-Use Operating Lease Assets.
Also, if market conditions deteriorate significantly, we could be required to record additional impairments, which could have a material adverse impact on our operating results. We did not identify any triggering events and, accordingly, no impairments of long-lived assets were recorded in the years ended December 31, 2022 or 2021.
Also, if market conditions deteriorate significantly, we could be required to record additional impairments, which could have a material adverse impact on our operating results. We did not identify any triggering events and, accordingly, no impairments of long-lived assets were recorded in the years ended December 31, 2023 or 2022. Income Taxes.
Unallocated Expenses. Our unallocated expenses, ( i.e. , those not associated with a specific business segment), within gross margin consist of expenses related to our incentive and deferred compensation plans, including restricted stock units, performance 35 Table of Contents / units and bonuses, as well as other general expenses.
Our unallocated expenses, ( i.e. , those not associated with a specific business segment), within gross margin consist of expenses related to our incentive and deferred compensation plans, including restricted stock units, performance units and bonuses, as well as other general expenses.
At the same time, due to increasing concerns about climate change, there is growing demand for cleaner hydrocarbon-based and renewables energy sources.
At the same time, due to increasing concerns about climate change, there is growing demand for cleaner hydrocarbon-based and renewable energy sources.
Investing activities In 2022, we used $77 million in net investing activities, primarily for capital expenditures of $81 million that included increased spending in our Subsea Robotics segment for ROV upgrades and replacements and other increased 38 Table of Contents / capital expenditures for information technology systems.
In 2022, we used $77 million in net investing activities, primarily for capital expenditures of $81 million that included increased spending in our Subsea Robotics segment for ROV upgrades and replacements and other increased capital expenditures for information technology systems.
As of December 31, 2022, we had no borrowings outstanding under the Revolving Credit Facility and no letters of credit outstanding under the Revolving Credit Agreement.
As of December 31, 2023, we had no borrowings outstanding under the Revolving Credit Facility and no letters of credit outstanding under the Revolving Credit Agreement.
Under this program, in 2015, we repurchased 2.0 million shares of our common stock for $100 million. We have not repurchased any shares under the program since December 2015. As of December 31, 2022, we retained 11 million of the shares we had repurchased through this and a prior repurchase program.
Under this program, in 2015, we repurchased 2.0 million shares of our common stock for $100 million. We have not repurchased any shares under the program since December 2015. As of December 31, 2023, we retained 10 million of the shares we had repurchased through this and a prior repurchase program.
If the current market dynamics are sustained and absent any additional objective negative evidence, we may have sufficient positive evidence in the next twelve months to adjust our valuation allowance position. Exact timing and amount of the adjustment to the valuation allowance is not certain at this time.
If the current market dynamics are sustained and absent any additional objective negative evidence, we may have sufficient positive evidence in the next twelve months to adjust our valuation allowance position for certain jurisdictions. The exact timing and amount of the 44 Table of Contents / adjustment to the valuation allowance is not certain at this time.
Due to the continuing development of economies in developing countries, substantial projected population growth (particularly in developing countries), and the shortage of other sources of affordable, reliable, scalable and efficient energy, as well as rising worldwide demand for a myriad of products made with petrochemicals, we expect that the need for 30 Table of Contents / additional oil and gas exploration and development and IMR activities will continue for decades to come.
Due to the continuing development of economies in developing countries, substantial projected population growth (particularly in developing countries), and the shortage of other sources of affordable, reliable, scalable and efficient energy, as well as rising worldwide demand for a myriad of products made with petrochemicals, we expect that the need for additional oil and gas exploration and development and inspection, maintenance and repair (“IMR”) activities will continue for decades to come.
See Note 1—“Summary of Major Accounting Policies” in the Notes To Consolidated Financial Statements included in this report for discussion of our significant accounting policies. Revenue Recognition.
See Note 1—“Summary of Significant Accounting Policies” in the Notes To Consolidated Financial Statements included in this report for discussion of our significant accounting policies. 43 Table of Contents / Revenue Recognition.
"Management's Discussion and Analysis of Financial Condition and Results of Operations" on Form 10-K for our fiscal year ended December 31, 2021, filed with the Securities and Exchange Commission ("SEC") on February 25, 2022.
"Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Form 10-K for the fiscal year ended December 31, 2022, filed with the Securities and Exchange Commission ("SEC") on February 24, 2023.
Our income tax payments for the full year of 2023 are estimated to be in the range of $60 million to $65 million, which includes taxes incurred in countries that impose tax on the basis of in-country revenue, without regard to the profitability of such operations.
Our income tax payments for the full year of 2024 are estimated to be in the range of $80 million to $90 million, which includes taxes incurred in countries that impose tax on the basis of in-country revenue, without regard to the profitability of such operations.
We remain committed to maintaining strong liquidity and believe that our cash position, undrawn revolving credit facility, and debt maturity profile should provide us ample resources and time to address potential future growth opportunities and to improve our returns. Financing activities In 2022 we used $1.9 million of cash in financing activities.
We remain committed to maintaining strong liquidity and believe that our cash position, undrawn revolving credit facility, and debt maturity profile should provide us ample resources and time to address potential future growth opportunities and to improve our returns. Financing activities.
According to industry data published by IHS Petrodata, excluding rigs under construction, at the end of 2022 there were 191 floating drilling rigs in operation or available for work throughout the world, with 141 of those rigs under contract. The average contracted offshore floating rig count in 2022 increased to approximately 137 rigs.
According to industry data published by IHS Petrodata, excluding rigs under construction, at the end of 2023 there were 193 floating drilling rigs in operation or available for work throughout the world, with 146 of those rigs under contract. The average contracted offshore floating rig count in 2023 increased to approximately 147 rigs.
We are amortizing these costs to interest expense through the respective maturity dates for the Senior Notes and the Revolving Credit Agreement using the straight-line method, which approximates the effective interest rate method. As a result, we amortized $2.1 million and $1.3 million for the years ended December 31, 2022 and 2021, respectively.
We are amortizing these costs to interest expense through the respective maturity dates for the Senior Notes and the Revolving Credit Agreement using the straight-line method, which approximates the effective interest rate method. As a result, we amortized $1.6 million and $1.4 million for the years ended December 31, 2023 and 2022, respectively. Share Repurchase Program.
We believe we are the world's largest provider of ROV services and, generally, this business segment has been the largest contributor to our Energy business operating income. Our Subsea Robotics segment revenue reflects the 34 Table of Contents / utilization percentages, fleet sizes and average pricing in the respective periods.
We believe we are the world's largest provider of work-class ROV services and, generally, this business segment has been the largest contributor to our Energy business operating income. Our Subsea Robotics segment revenue reflects the utilization percentages, fleet sizes and average pricing in the respective periods. Our survey services business provides survey and positioning, and geoscience services.
Our Manufactured Products backlog was $467 million as of December 31, 2022, a $149 million, or 47%, increase over December 31, 2021. Our book-to-bill ratio was 1.39 for the year ended December 31, 2022, as compared with a book-to-bill ratio of 1.1 for the year ended December 31, 2021. Offshore Projects Group.
Our Manufactured Products backlog was $622 million as of December 31, 2023, a $155 million, or 33%, increase over December 31, 2022. Our book-to-bill ratio was 1.31 for the year ended December 31, 2023, as compared with a book-to-bill ratio of 1.39 for the year ended December 31, 2022. Offshore Projects Group.
As a result, we amortized $2.2 million to interest expense for the year ended December 31, 2022. We amortized $4.3 million to interest expense, including $1.8 million for the pro-rata write-off of interest rate swap settlement gains associated with the 2024 Senior Notes repurchases discussed above, for the year ended December 31, 2021.
We amortized $4.4 million to interest expense, including $2.7 million for the pro-rata write-off of interest rate swap settlement gains associated with the 2024 Senior Notes repurchases discussed above, for the year ended December 31, 2023. We amortized $2.2 million to interest expense for the year ended December 31, 2022.
In 2022, on a consolidated level, we had a net income of $26 million, or diluted earnings of $0.26 per share, compared to net loss of $49 million, or diluted loss of $0.49 per share, in 2021.
In 2023, on a consolidated level, we had a net income of $97 million, or diluted earnings of $0.95 per share, compared to net income of $26 million, or diluted earnings of $0.26 per share, in 2022.
We added a total of 10, 10 and three ROVs in 2022, 2021 and 2020, respectively, while retiring 23 units over the three-year period. Our ROV fleet size was 250 as of December 31, 2022, 2021 and 2020.
We added a total of 11 and 10 in 2023 and 2022, respectively, while retiring 21 units over the two-year period. Our ROV fleet size was 250 as of December 31, 2023 and 2022.
We have several deepwater vessels under a mix of short-term charters where we can see firm workload and spot charters as market opportunities arise, along with four long-term charters that began in 2022.
We have several deepwater vessels under a mix of short-term charters where we can see firm workload and spot charters as market opportunities arise.
We strive to meet the growing need for lower-carbon energy by assisting customers to reduce their carbon emissions in exploring for, developing and producing oil and natural gas, while also diversifying our business into new strategic growth areas in emerging energy and non-energy markets. We believe this measured approach ensures our resilience in an ever-changing market.
We strive to meet the growing need for 32 Table of Contents / lower-carbon energy by assisting customers to reduce their carbon emissions in exploring for, developing and producing oil and natural gas, while also diversifying our business into new strategic growth areas in emerging energy and non-energy markets.
The effective tax rate for the 12-month periods ended December 31, 2022 and 2021 was different than the federal statutory rate of 21%, primarily due to the geographical mix of revenue and earnings, changes in valuation allowances and uncertain tax positions, and other discrete items; therefore, we do not believe a discussion of the effective tax rate is meaningful.
The effective tax rate for the twelve-month periods ended December 31, 2023 and 2022 was different than the federal statutory rate of 21%, primarily due to the geographical mix of revenue and earnings, changes in valuation allowances and uncertain tax positions, and other discrete items.
These outlays were partially offset in 2022 by $6.5 million of proceeds received from the sale of various assets and in 2021 by $4.5 million of proceeds received from the sale of a portion of our Angolan bonds and $7.1 million of proceeds received from the sale of various assets.
These outlays were partially offset in 2023 by $7.8 million of proceeds received from the sale of various assets and $6.2 million from the sale of the remainder of our Angolan bonds and in 2022 by $6.5 million of proceeds received from the sale of various assets.
In 2022, we retired ten of our conventional work-class ROV systems and replaced them with eight upgraded conventional work-class ROV systems and two Isurus TM work-class ROV systems (which are capable of operating in severe conditions and are ideal for renewables projects and high-speed surveys), which are currently engaged in renewables work.
In 2022, we retired 10 of our conventional work-class ROVs and replaced them with eight upgraded conventional work-class ROV systems and two Isurus TM work-class ROV systems (which are capable of operating in severe conditions and are ideal for renewables projects and high-speed surveys). Our ROV fleet size was 250 as of December 31, 2023 and 2022.
The following table shows average floating rigs under contract and our ROV utilization. 2022 2021 2020 Average number of floating rigs under contract 137 131 139 ROV days on hire (in thousands) 56 53 54 ROV utilization 62% 58% 59% Demand for floating rigs is the primary leading indicator of the strength of the deepwater market.
The following table shows average floating rigs under contract and our ROV utilization. 2023 2022 Average number of floating rigs under contract 147 137 ROV days on hire (in thousands) 62 56 ROV utilization 68 % 62 % Demand for floating rigs is a leading indicator of the strength of the deepwater market.
In connection with entering into the Revolving Credit Agreement, we terminated our Prior Revolving Credit Facility. No borrowings were outstanding under the Prior Revolving Credit Facility. We repaid all accrued fees and expenses in connection with the termination of the Prior Revolving Credit Facility and all commitments thereunder were terminated.
We repaid all accrued fees and expenses in connection with the termination of the Prior Revolving Credit Facility and all commitments thereunder were terminated. No early termination penalties were incurred in connection with the termination of the Prior Revolving Credit Facility.
We apply judgment in estimating project status and the costs necessary to complete projects. For the year ended December 31, 2022, we recognized approximately 93% of our revenue over time and 7% at a point in time.
We apply judgment in estimating project status and the costs necessary to complete projects. For the year ended December 31, 2023, we recognized approximately 19% of our revenue over time using the cost-to-cost input method.
Year Ended December 31, (dollars in thousands) 2022 2021 2020 Revenue $ 2,066,084 $ 1,869,275 $ 1,827,889 Gross Margin 307,377 264,065 163,941 Gross Margin % 15 % 14 % 9 % Operating Income (Loss) 110,863 39,799 (446,079) Operating Income (Loss) % 5 % 2 % (24) % Net Income (Loss) 25,941 (49,307) (496,751) Our business segments are contained within two businesses—services and products provided primarily to the oil and gas industry and, to a lesser extent, the offshore renewables and mobility solutions industry, among others (“Energy”) and services and products provided to non-energy industries (“Aerospace and Defense Technologies” or “ADTech”).
Year Ended December 31, (dollars in thousands) 2023 2022 Revenue $ 2,424,706 $ 2,066,084 Gross Margin 398,971 307,377 Gross Margin % 16 % 15 % Operating Income (Loss) 181,328 110,863 Operating Income (Loss) % 7 % 5 % Net Income (Loss) 97,403 25,941 Our business segments are contained within two businesses—services and products provided primarily to the oil and gas industry and, to a lesser extent, the offshore renewables and mobility solutions industry, among others (“Energy”) and services and products provided to non-energy industries (“Aerospace and Defense Technologies” or “ADTech”).
The following table presents revenue from ROV services as a percentage of total Subsea Robotics revenue: Year ended December 31, 2022 2021 2020 ROV 77% 79 % 81% Other 23% 21 % 19% For the year ended December 31, 2022, our Subsea Robotics operating income increased as compared to 2021, on higher revenue, as a result of higher levels of activity for ROV and tooling, along with the positive impact of new contract pricing and utilization efficiencies in 2022.
The following table presents revenue from ROV services as a percentage of total Subsea Robotics revenue: Year ended December 31, 2023 2022 ROV 77 % 77 % Other 23 % 23 % For the year ended December 31, 2023, our Subsea Robotics operating income increased as compared to 2022, on higher revenue, as a result of higher levels of activity for ROV, survey and tooling and higher average revenue per day in 2023.
The following table sets forth our significant financial statement items below the income (loss) from operations line: Year ended December 31, (dollars in thousands) 2022 2021 2020 Interest income $ 5,708 $ 2,477 $ 3,083 Interest expense (38,215) (38,810) (43,900) Equity earnings (loss) of unconsolidated affiliates 1,707 594 2,268 Other income (expense), net (1,011) (9,769) (14,269) Provision (benefit) for income taxes 53,111 43,598 (2,146) Interest income for the year ended December 31, 2022 as compared to 2021, increased primarily due to higher interest rates.
The following table sets forth our significant financial statement items below the income (loss) from operations line: Year ended December 31, (dollars in thousands) 2023 2022 Interest income $ 15,425 $ 5,708 Interest expense (36,523) (38,215) Equity earnings (loss) of unconsolidated affiliates 2,061 1,707 Other income (expense), net (1,236) (1,011) Provision (benefit) for income taxes 63,652 53,111 Interest income for the year ended December 31, 2023 as compared to 2022, increased primarily due to higher interest rates and increased average amounts of cash invested.
In 2023, we expect our organic capital expenditures to total between $90 million and $110 million, exclusive of business acquisitions, as compared to capital expenditures of $81 million in 2022.
In 2024, we expect our organic capital expenditures to total between $110 million and $130 million, exclusive of business acquisitions, which we expect to fund using our available cash, as compared to capital expenditures of $101 million in 2023.
See Note 4—”Leases” in the Notes to Consolidated Financial Statements included in this report for a description of the scheduled maturities for our operating leases.
For more on our operating leases for land, buildings, vessels and equipment for the operation of our business and their scheduled maturities, see Note 4—”Leases” in the Notes to Consolidated Financial Statements included in this report.
The following table sets forth our Unallocated Expenses for the periods indicated: Year ended December 31, (dollars in thousands) 2022 2021 2020 Gross margin expenses $ (82,528) $ (93,702) $ (80,804) % of revenue 4 % 5 % 4 % Operating expenses (127,402) (131,960) (120,677) % of revenue 6 % 7 % 7 % Our unallocated expenses for the year ended December 31, 2022 decreased compared to 2021, primarily due to lower accruals in 2022 for incentive-based compensation, partially offset by increased information technology costs.
The following table sets forth our Unallocated Expenses for the periods indicated: Year ended December 31, (dollars in thousands) 2023 2022 Gross margin expenses $ (98,955) $ (82,528) % of revenue 4 % 4 % Operating expenses (151,438) (127,402) % of revenue 6 % 6 % Our unallocated expenses for the year ended December 31, 2023 increased compared to 2022, primarily due to higher accruals in 2023 for incentive-based compensation along with increased information technology costs.
No early termination penalties were incurred in connection with the termination of the Prior Revolving Credit Facility. The Revolving Credit Agreement includes a $215 million revolving credit facility (the “Revolving Credit Facility”) with a $100 million sublimit for the issuance of letters of credit.
The Revolving Credit Agreement includes a $215 million revolving credit facility, the Revolving Credit Facility, with a $100 million sublimit for the issuance of letters of credit.
Our tax provision is based on (1) our earnings for the period and other factors affecting the tax provision and (2) the operations of foreign branches and subsidiaries that are subject to local income and withholding taxes. Factors that affect our tax rate include our profitability levels in general and the geographical mix of our results.
We could incur further foreign currency exchange gains (losses) in Angola and in other countries due to foreign currency exchange fluctuations. Our tax provision is based on (1) our earnings for the period and other factors affecting the tax provision and (2) the operations of foreign branches and subsidiaries that are subject to local income and withholding taxes.
In March 2020, we settled both interest rate swaps with the counterparty for cash proceeds of $13 million. The settlement resulted in a $13 million increase to our long-term debt balance that will be amortized to interest expense prospectively through the maturity date for the 2024 Senior Notes using the effective interest method.
The settlement resulted in a $13 million increase to our long-term debt balance that was being amortized as a reduction to interest expense prospectively through the maturity date for the 2024 Senior Notes using the effective interest method. Upon retirement of the 2024 Senior Notes, we wrote off the related unamortized interest rate swaps and debt issuance cost balances.
Our OPG operating results for the year ended December 31, 2022 increased as compared to 2021, on significantly higher revenue, primarily due to improved pricing in the second half of 2022 and increased intervention, installation and controls work in the Gulf of Mexico. Integrity Management & Digital Solutions.
Our OPG operating results for the year ended December 31, 2023 increased as compared to 2022, on higher revenue, primarily due to increased activity levels in the Europe, Middle East and Africa region, partially offset by reduced vessel work in the Gulf of Mexico. Integrity Management & Digital Solutions.
As of December 31, 2022, we had $464 million of total purchase obligations including $324 million payable within the next twelve months and $140 million thereafter. Our purchase obligations include agreements to purchase goods and services as well as commitments for capital assets used in the normal operations of our business.
Our purchase obligations include agreements to purchase goods and services as well as commitments for capital assets used in the normal operations of our business.
As of December 31, 2022, we were in compliance with all the covenants set forth in the Revolving Credit Agreement. We had two interest rate swaps in place relating to a total of $200 million of the 2024 Senior Notes for the period to November 2024.
As of December 31, 2023, there were no 2024 Senior Notes outstanding. We had two interest rate swaps in place relating to a total of $200 million of the 2024 Senior Notes for the period to November 2024. In March 2020, we settled both interest rate swaps with the counterparty for cash proceeds of $13 million.
Outlook Based on our 2022 year-end backlog, the expected meaningful increases in backlog conversion, anticipated 2023 order intake, and current market fundamentals, we are expecting increased revenue in 2023 as compared to 2022 for each of our operating segments, led by Subsea Robotics and Manufactured Products.
Outlook 2024 financial results are expected to improve year-over-year, based on 2023 year-end backlog and ongoing positive indications from market fundamentals. We are expecting increased operating income in 2024 as compared to 2023 for each of our operating segments, led by Subsea Robotics and OPG.
In 2021, we used $34 million in net investing activities, primarily for capital expenditures of $50 million. Our capital expenditures during 2022 and 2021 included $56 million and $28 million, respectively, in our Subsea Robotics segment, principally for upgrades to our ROV fleet and to replace certain units we retired.
Our capital expenditures during 2023 and 2022 included $67 million and $56 million, respectively, in our Subsea Robotics segment, principally for upgrades to our ROV fleet and to replace certain units we retired. We currently plan to add new ROVs only to meet contractual commitments.
During 2022, we generated a substantial majority of our revenue from services and products we provided to the energy industry.
Compared to 2022, our 2023 revenue increased 17% to $2.4 billion, with 33 Table of Contents / revenue growth in all of our operating segments. During 2023, we generated a substantial majority of our revenue from services and products we provided to the energy industry.
As of December 31, 2022, we had working capital of $729 million, including cash and cash equivalents of $569 million. Additionally, as of December 31, 2022, we had $215 million of unused commitments through our senior secured revolving credit agreement (the “Revolving Credit Agreement”) that we entered into in April 2022, which is further described below.
Additionally, as of December 31, 2023, we had $215 million of unused commitments through our senior secured revolving credit agreement that we entered into in April 2022 (as amended by an Agreement and Amendment No. 1 to Credit Agreement, dated September 20, 2023, the “Revolving Credit Agreement”), which is further described below and in Note 8—“Debt” in the Notes to Consolidated Financial Statements included in this report.
The minimum Consolidated Interest Coverage Ratio (as defined in the Revolving Credit Agreement) is 3.00 to 1.00 throughout the term of the Revolving Credit Facility.
As of December 31, 2023, the maximum permitted Consolidated Net Leverage Ratio was 3.25 to 1.00 and will not change during the remaining term of the Revolving Credit Facility. The minimum Consolidated Interest 42 Table of Contents / Coverage Ratio (as defined in the Revolving Credit Agreement) is 3.00 to 1.00 throughout the term of the Revolving Credit Facility.
In 2015, as a result of declining market conditions, we began building fewer ROVs, generally limiting additions to meet contractual commitments.
In 2015, as a result of declining market conditions, we began building fewer ROVs, generally limiting additions to meet contractual commitments. During the year ended December 31, 2023, we retired eleven of our conventional work-class ROV systems and replaced them with eleven upgraded conventional work-class ROV systems.
In the Subsea Robotics section of the table that follows, “ROV Days Available” includes all days from the first day that an ROV is placed in service until the ROV is retired. All days in this period are considered available days, including periods when an ROV is undergoing maintenance or repairs.
Energy. The table that follows sets out revenue and profitability for the business segments within our Energy business. In the Subsea Robotics section of the table that follows, “ROV Days Available” includes all days from the first day that an ROV is placed in service until the ROV is retired.
We are also committed to reducing our own energy consumption and the greenhouse gas emissions attributable to our operations. With the help of a third-party consultant, we are substantially complete with a global review of our assets and operations to identify and estimate our scope 1 and scope 2 emissions.
We are also committed to reducing our own energy consumption and the greenhouse gas emissions attributable to our operations.
As of December 31, 2022, we were in compliance with all the covenants set forth in the credit agreement governing the Revolving Credit Agreement. In November 2014, we completed the public offering of $500 million aggregate principal amount of 4.650% Senior Notes due 2024.
As of December 31, 2023, we were in compliance with all the covenants set forth in the credit agreement governing the Revolving Credit Agreement.
In October 2014, we entered into a credit agreement (as amended, the “Prior Credit Agreement”) with a group of banks. The Prior Credit Agreement initially provided for a $500 million five-year revolving credit facility (the “Prior Revolving Credit Facility”).
In connection with entering into the Revolving Credit Agreement, we terminated our $500 million five-year revolving credit facility entered into in October 2014 (the “Prior Revolving Credit Facility”). No borrowings were outstanding under the Prior Revolving Credit Facility.
Coronavirus Aid, Relief, and Economic Security Act (the "CARES Act"), and the expected timing thereof; • our backlog, to the extent backlog may be an indicator of future revenue or productivity; • the impacts of the COVID-19 pandemic on our business; • projections relating to floating rig demand and subsea tree installations; • the adequacy of our liquidity, cash flows and capital resources to support our operations and internally generated growth initiatives; • the collectability of accounts receivable and realizability of contract assets at the amounts reflected on our most-recent balance sheet; • our projected capital expenditures for 2023; • the condition of debt markets and our possible future debt repurchases; • our plans for future operations (including planned additions to and retirements from our remotely operated vehicle (“ROV”) fleet; • our ability and intent to redeem Angolan bonds and repatriate cash; • our expectations regarding shares that may be repurchased under our share repurchase plan; • our expectations regarding the implementation of new accounting standards and related policies, procedures and controls; • our expectations about our ROV fleet utilization in the future; • our expectations about the balance between energy transition and energy security; and • our expectations regarding the effect of inflation in the near future.
Certain statements in this annual report on Form 10-K, including, without limitation, statements regarding the following matters, are forward-looking statements made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995: • our business strategy; • industry conditions and commodity pricing; • seasonality; • our expectations about 2024 results of operations, items below the income from operations (“operating income”) line and segment operating results, and the factors underlying those expectations, including our expectations about demand and pricing for our energy services and products as a result of the factors we specify in “ Overview of our Results” and “ Results of Operations” below; • our expectations about the balance between energy transition and energy security; • our emissions reduction targets; • our backlog, to the extent backlog may be an indicator of future revenue or productivity; • projections relating to floating rig demand and subsea tree installations; • our expectations about our ROV fleet utilization in the future; • the adequacy of our sources of liquidity, cash flows and capital resources to support our operations and internally generated growth initiatives; • the collectability of accounts receivable and realizability of contract assets at the amounts reflected on our most-recent balance sheet; • our future working capital needs and our projected capital expenditures for 2024; • transactions we may engage in to manage our outstanding debt prior or maturity; • our plans for future operations (including planned additions to and retirements from our remotely operated vehicle (“ROV”) fleet; • our ability and intent to repatriate cash from Angola and other foreign countries where we have operations; • our expectations regarding shares that may be repurchased under our share repurchase plan; and • our expectations regarding the implementation of new accounting standards and related policies, procedures and controls.
Overview of Our Results The table that follows sets out our revenue and operating results for 2022, 2021 and 2020.
Our capital investments and expenses required to achieve our goals cannot be estimated at this time. Overview of Our Results The table that follows sets out our revenue and operating results for 2023 and 2022.
We have not guaranteed any debt not reflected on our Consolidated Balance Sheets as of December 31, 2022 and 2021, and we do not have any off-balance-sheet arrangements, as defined by SEC rules. In December 2014, our Board of Directors approved a plan to repurchase up to 10 million shares of our common stock on a discretionary basis.
We have not guaranteed any debt not reflected on our Consolidated Balance Sheets as of December 31, 2023 and 2022 and we do not have any off-balance sheet arrangements, as defined by SEC rules. 2024 Senior Notes. In November 2014, we completed the public offering of $500 million aggregate principal amount of 4.650% Senior Notes due 2024.
According to data published by Rystad Energy in December 2022, there are projected to be 339 subsea tree installations in 2023, compared to 322 in 2022, 291 in 2021 and 273 in 2020.
According to data published by a world-leading analysis and consultancy company for the energy sector in December 2023, there are projected to be 288 tree awards and 339 subsea tree installations in 2024, compared to 285 tree awards and 370 installations in 2023 and 260 tree awards and 256 installations in 2022.
Interest expense decreased slightly for the year ended December 31, 2022 as compared to 2021, as a result of our 2021 repurchase of $100 million in aggregate principal amount of the 4.650% Senior Notes due 2024 (the “2024 Senior Notes”). We have not capitalized interest since 2019 and do not anticipate capitalizing interest on any long-lived assets in 2023.
We have not capitalized interest since 2019 and do not anticipate capitalizing interest on any long-lived assets in 2024. Foreign currency transaction gains and losses are the principal component of other income (expense), net for the year ended December 31, 2023.
We pay interest on the 2028 Senior Notes on February 1 and August 1 of each year. The 2028 Senior Notes are scheduled to mature on February 1, 2028. We used the net proceeds from the 2028 Senior Notes to repay our term loan indebtedness described further below.
We pay interest on the Existing 2028 Senior Notes on February 1 and August 1 of each year. The Existing 2028 Senior Notes are scheduled to mature on February 1, 2028. We may redeem some or all of the Existing 2028 Senior Notes at specified redemption prices.
We may, from time to time, complete additional limited repurchases of the 2024 Notes, via open-market or privately negotiated repurchase transactions or otherwise, prior to their maturity date. We can provide no assurances as to the timing of any such additional repurchases or whether we will complete any such repurchases at all.
We can provide no assurances as to the timing of any future repurchases or whether we will complete any repurchases at all.
In February 2018, we entered into Agreement and Amendment No. 4 to the Prior Credit Agreement to, among other things, extend the maturity of the Prior Revolving Credit Facility to January 25, 2023. 39 Table of Contents / On April 8, 2022, we entered into a new senior secured revolving credit agreement with a group of banks that will mature in April 2026.
On April 8, 2022, we entered into a new senior secured revolving credit agreement with a group of banks (as amended by an Agreement and Amendment No. 1 to Credit Agreement, dated September 20, 2023, the Revolving Credit Agreement.
Based on current market conditions, we expect opportunities for improved pricing and margins in our energy-focused businesses and stable pricing and margins in our government-focused businesses. We expect improved results in our Subsea Robotics segment in 2023 as a result of increased ROV days on hire and higher tooling activity, minor favorable shifts in geographic mix and continued pricing improvements.
We expect improved results in our Subsea Robotics segment in 2024 as a result of increased ROV days on hire and continued pricing improvements. Results for tooling-based services are expected to improve, with activity levels generally following ROV days on hire. Survey operating results are expected to improve, with increased activity in geophysical and survey and positioning services.
For the year ended December 31, 2022, compared to 2021, our IMDS operating results and revenue decreased primarily on lower activity levels and the continuing impact of employee wage inflation. Aerospace and Defense Technologies.
For the year ended December 31, 2023, compared to 2022, our IMDS operating results decreased despite higher revenue primarily due to changes in service mix and the costs associated with growth initiatives. Aerospace and Defense Technologies.
Survey operating results are expected to improve as well, with both geophysical and survey and positioning businesses seeing increased international activity. We expect our Manufactured Products segment operating results in 2023 to improve on a significant increase in revenue, primarily based on 2022 order intake in our energy businesses in 2022.
We expect our Manufactured Products segment operating results in 2024 to improve on an increase in revenue, primarily based on 2023 order intake in our energy businesses. We believe that solid bidding activity in our energy businesses will continue during 2024. We are seeing growing prospects to further expand our mobility solutions businesses.
Foreign currency transaction gains and losses are the principal component of other income (expense), net. In the year ended December 31, 2022 and 2021, we incurred foreign currency transaction gains (losses) of less than $(0.1) million and $(8.4) million, respectively.
In the year ended December 31, 2023 and 2022, we incurred foreign currency transaction gains (losses) of $(1.4) million and less than $(0.1) million, respectively. The currency gains (losses) in 2023 were primarily related to increasing (declining) exchange rates for the Angolan kwanza relative to the United States (“U.S.”) dollar.
Our ROVs do not have scheduled maintenance or repair that requires significant time when the ROVs are not available for utilization. 33 Table of Contents / Year ended December 31, (dollars in thousands) 2022 2021 2020 Subsea Robotics Revenue $ 621,921 $ 538,515 $ 493,332 Gross Margin 160,527 112,962 78,952 Gross Margin % 26 % 21 % 16 % Operating Income (Loss) 118,248 76,874 (65,817) Operating Income (Loss)% 19 % 14 % (13) % ROV Days Available 91,250 91,242 91,499 ROV Days Utilized 56,231 53,113 54,411 ROV Utilization % 62 % 58 % 59 % Manufactured Products Revenue 382,361 344,251 477,419 Gross Margin 45,834 63,455 62,962 Gross Margin % 12 % 18 % 13 % Operating Income (Loss) 11,692 (15,876) (88,253) Operating Income (Loss)% 3 % (5) % (18) % Backlog at end of period 467,000 318,000 266,000 Offshore Projects Group Revenue 489,317 378,121 289,127 Gross Margin 78,373 56,338 1,265 Gross Margin % 16 % 15 % — % Operating Income (Loss) 49,256 31,197 (105,680) Operating Income (Loss)% 10 % 8 % (37) % Integrity Management & Digital Solutions Revenue 229,884 241,393 226,938 Gross Margin 36,724 42,417 29,772 Gross Margin % 16 % 18 % 13 % Operating Income (Loss) 14,901 18,572 (121,675) Operating Income (Loss)% 6 % 8 % (54) % Total Energy Revenue $ 1,723,483 $ 1,502,280 $ 1,486,816 Gross Margin 321,458 275,172 172,951 Gross Margin % 19 % 18 % 12 % Operating Income (Loss) 194,097 110,767 (381,425) Operating Income (Loss)% 11 % 7 % (26) % Subsea Robotics.
Year ended December 31, (dollars in thousands) 2023 2022 Subsea Robotics Revenue $ 752,521 $ 621,921 Gross Margin 221,965 160,527 Gross Margin % 29 % 26 % Operating Income (Loss) 174,293 118,248 Operating Income (Loss)% 23 % 19 % ROV Days Available 91,250 91,250 ROV Days Utilized 61,874 56,231 ROV Utilization % 68 % 62 % Manufactured Products Revenue 493,692 382,361 Gross Margin 69,613 45,834 Gross Margin % 14 % 12 % Operating Income (Loss) 35,551 11,692 Operating Income (Loss)% 7 % 3 % Backlog at end of period 622,000 467,000 Offshore Projects Group Revenue 546,366 489,317 Gross Margin 96,940 78,373 Gross Margin % 18 % 16 % Operating Income (Loss) 64,546 49,256 Operating Income (Loss)% 12 % 10 % Integrity Management & Digital Solutions Revenue 255,282 229,884 Gross Margin 38,988 36,724 Gross Margin % 15 % 16 % Operating Income (Loss) 13,373 14,901 Operating Income (Loss)% 5 % 6 % Total Energy Revenue $ 2,047,861 $ 1,723,483 Gross Margin 427,506 321,458 Gross Margin % 21 % 19 % Operating Income (Loss) 287,763 194,097 Operating Income (Loss)% 14 % 11 % Subsea Robotics.
The increases in 2022 operating income and net income as compared to 2021 were primarily due to positive energy markets that spurred increased offshore activity in our Subsea Robotics and OPG segments, which in turn resulted in improved pricing and increased utilization in the second half of the year.
The increases in 2023 operating income and net income as compared to 2022 were primarily due to higher revenue in all of our segments as a result of increased activity in energy markets and related growth in our energy businesses.
Results of Operations Additional information on our business segments is shown in Note 11—“Operations by Business Segment and Geographic Area” in the Notes to Consolidated Financial Statements included in this report. Energy. The table that follows sets out revenue and profitability for the business segments within our Energy business.
While the pace of inflation has moderated since 2022, inflation could have a material impact on our results in the future, including if we are unable to reflect such anticipated inflation in the original price. 35 Table of Contents / Results of Operations Additional information on our business segments is shown in Note 10—“Operations by Business Segment and Geographic Area” in the Notes to Consolidated Financial Statements included in this report.
Revenue, gross margin and operating income information for our ADTech segment are as follows: Year ended December 31, (dollars in thousands) 2022 2021 2020 Revenue $ 342,601 $ 366,995 $ 341,073 Gross Margin 68,447 82,595 71,794 Gross Margin % 20 % 23 % 21 % Operating Income 44,168 60,992 56,023 Operating Income % 13 % 17 % 16 % For the year ended December 31, 2022, compared to 2021, our ADTech segment operating results decreased significantly on lower levels of revenue primarily due to reduced activity in both defense subsea technologies and space systems.
Revenue, gross margin and operating income information for our ADTech segment are as follows: Year ended December 31, (dollars in thousands) 2023 2022 Revenue $ 376,845 $ 342,601 Gross Margin 70,420 68,447 Gross Margin % 19 % 20 % Operating Income 45,003 44,168 Operating Income % 12 % 13 % For the year ended December 31, 2023, compared to 2022, our ADTech segment operating results were slightly higher on increased levels of revenue primarily due to increased activity in all of our government-focused businesses. 37 Table of Contents / Unallocated Expenses.
See Note 9—”Debt” in the Notes to Consolidated Financial Statements included in this report for a description of these interest rate swaps. We incurred $6.9 million and $4.2 million of issuance costs related to the 2024 Senior Notes and the 2028 Senior Notes, respectively, and $4.0 million of new loan costs related to the Revolving Credit Agreement.
We incurred $7.0 million of issuance costs related to the 2028 Senior Notes and $4.0 million of loan costs related to the Revolving Credit Agreement.
We are expecting 32 Table of Contents / sequential improvement in our 2023 operating results as compared to 2022 based on our expectations for: higher operating results in our Subsea Robotics, Manufactured Products and OPG segments; slightly higher operating results in our ADTech segment; and relatively stable operating results in our IMDS segment.
We are expecting sequential improvement in our 2024 operating results as compared to 2023 based on our expectations for continued improvement in pricing and margins in our energy-focused businesses and stable pricing and margins in our government-focused businesses.