Biggest changeThe increase in Critical Infrastructure Adjusted EBITDA attributable to Parsons for the year ended December 31, 2023 compared to the corresponding period last year was primarily due to increases in business volume and a decrease in direct cost of contracts of $38 million related to a legal matter on a previously completed contract, offset by write-downs on joint ventures discussed above and higher selling general and administrative costs from business development and sales activities and higher incentive compensation costs as a result of the company's strong operating performance and growing employee base. 70 Year ended December 31, 2022 compared to year ended December 31, 2021 Federal Solutions The Year Ended Variance (U.S. dollars in thousands) December 31, 2022 December 31, 2021 Dollar Percent Revenue $ 2,212,987 $ 1,888,050 $ 324,937 17.2 % Adjusted EBITDA attributable to Parsons Corporation $ 199,004 $ 162,733 $ 36,271 22.3 % The increase in Federal Solutions revenue for the year ended December 31, 2022 compared to the corresponding period last year was primarily due to increases from business acquisitions of $205 million, and increases in business volume from recent contract awards and increased activity on existing contracts.
Biggest changeThe increase in Critical Infrastructure Adjusted EBITDA attributable to Parsons for the year ended December 31, 2023 compared to the corresponding period last year was primarily due to increases in business volume and a decrease in direct cost of contracts of $38 million related to a legal matter on a previously completed contract, offset by write-downs on joint ventures discussed above and higher selling general and administrative costs from business development and sales activities and higher incentive compensation costs as a result of the company's strong operating performance and growing employee base.
Fiscal Year Ended December 31, 2023 December 31, 2022 Revenues 100.0 % 100.0 % Direct costs of contracts 77.8 % 77.4 % Equity in (losses) earnings of unconsolidated joint ventures (0.9 )% 0.4 % Selling, general and administrative expenses 16.0 % 18.5 % Operating income 5.3 % 4.4 % Interest income 0.0 % 0.0 % Interest expense (0.6 )% (0.6 )% Other income, net 0.1 % 0.1 % Total other income benefit (expense) (0.4 )% (0.5 )% Income before income tax expense 4.9 % 4.0 % Income tax expense (1.0 )% (0.9 )% Net income including noncontrolling interests 3.8 % 3.0 % Net income attributable to noncontrolling interests (0.9 )% (0.7 )% Net income attributable to Parsons Corporation 3.0 % 2.3 % Revenue Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Revenue $ 5,442,749 $ 4,195,272 $ 1,247,477 29.7 % Revenue for the year ended December 31, 2023 compared to the prior year increased $1.2 billion.
Fiscal Year Ended December 31, 2023 December 31, 2022 Revenues 100.0 % 100.0 % Direct costs of contracts 77.8 % 77.4 % Equity in earnings of unconsolidated joint ventures (0.9 )% 0.4 % Selling, general and administrative expenses 16.0 % 18.5 % Operating income 5.3 % 4.4 % Interest income 0.0 % 0.0 % Interest expense (0.6 )% (0.6 )% Other income, net 0.1 % 0.1 % Total other income benefit (expense) (0.4 )% (0.5 )% Income before income tax expense 4.9 % 4.0 % Income tax expense (1.0 )% (0.9 )% Net income including noncontrolling interests 3.8 % 3.0 % Net income attributable to noncontrolling interests (0.9 )% (0.7 )% Net income attributable to Parsons Corporation 3.0 % 2.3 % Revenue Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Revenue $ 5,442,749 $ 4,195,272 $ 1,247,477 29.7 % Revenue for the year ended December 31, 2023 compared to the prior year increased $1.2 billion.
The difference between the statutory U.S. federal income tax rate of 21% and the effective tax rate for the year ended December 31, 2023 primarily relates to state income taxes, valuation allowance on foreign tax credit carryovers originating from foreign withholding taxes offset in part by benefits related to income attributable to noncontrolling interests, earnings in lower tax jurisdictions, the FDII deduction, and federal business tax credits.
The difference between the statutory U.S. federal income tax rate of 21% and the effective tax rate for the year ended December 31, 2023 primarily relates to state income taxes, valuation allowance on foreign tax credit carryovers originating from foreign withholding taxes offset in part by 69 benefits related to income attributable to noncontrolling interests, earnings in lower tax jurisdictions, the FDII deduction, and federal business tax credits.
Goodwill typically represents the value paid for the assembled workforce and enhancement of our service offerings. Transaction costs associated with business combinations are expensed as incurred. The 76 determination of fair values of assets acquired and liabilities assumed requires the Company to make estimates and use valuation techniques when a market value is not readily available.
Goodwill typically represents the value paid for the assembled workforce and enhancement of our service offerings. Transaction costs associated with business combinations are expensed as incurred. The determination of fair values of assets acquired and liabilities assumed requires the Company to make estimates and use valuation techniques when a market value is not readily available.
This process requires significant judgments and estimates, including assumptions about our strategic plans for operations as well as the interpretation of current economic indicators. Development of the present value of future cash flow projections includes assumptions and estimates derived from a review of our expected 77 revenue growth rates, profit margins, business plans, cost of capital and tax rates.
This process requires significant judgments and estimates, including assumptions about our strategic plans for operations as well as the interpretation of current economic indicators. Development of the present value of future cash flow projections includes assumptions and estimates derived from a review of our expected revenue growth rates, profit margins, business plans, cost of capital and tax rates.
In addition, costs are generally subject to review by clients and regulatory audit agencies, and such reviews could result in costs being disputed as non-reimbursable under the terms of the contract. 61 • Under time-and-materials contracts, hourly billing rates are negotiated and charged to clients based on the actual time spent on a project.
In addition, costs are generally subject to review by clients and regulatory audit agencies, and such reviews could result in costs being disputed as non-reimbursable under the terms of the contract. • Under time-and-materials contracts, hourly billing rates are negotiated and charged to clients based on the actual time spent on a project.
Additionally, budget deficits and the growing U.S. national debt increase pressure on the U.S. government to reduce federal spending across all federal agencies, with uncertainty about the size and timing of those reductions. Furthermore, delays in the completion of future U.S. government budgets could in the future delay procurement of the federal government services we provide.
Additionally, budget deficits and the growing U.S. national debt increase pressure on the U.S. government to reduce federal spending across all federal agencies, with uncertainty about the size and timing of those reductions. Furthermore, delays in the completion of future U.S. government budgets could in the future delay procurement of the federal 60 government services we provide.
A reduction in the amount of, or delays, or cancellations of funding for, 59 services that we are contracted to provide to the U.S. government as a result of any of these impacts or related initiatives, legislation or otherwise could have a material adverse effect on our business and results of operations.
A reduction in the amount of, or delays, or cancellations of funding for, services that we are contracted to provide to the U.S. government as a result of any of these impacts or related initiatives, legislation or otherwise could have a material adverse effect on our business and results of operations.
Liquidity and Capital Resources We currently finance our operations and capital expenditures through a combination of internally generated cash from operations, our Convertible Senior Notes, Delayed Draw Term Loan and periodic borrowings under our Revolving Credit Facility. 71 Generally, cash provided by operating activities has been adequate to fund our operations.
Liquidity and Capital Resources We currently finance our operations and capital expenditures through a combination of internally generated cash from operations, our Convertible Senior Notes, Delayed Draw Term Loan and periodic borrowings under our Revolving Credit Facility. Generally, cash provided by operating activities has been adequate to fund our operations.
Unbilled accounts receivable represents amounts where the Company has a present contractual right to bill but an invoice has not been issued to the customer at the period-end date. Accounts receivable is the principal component of our working capital and is generally driven by revenue growth. Accounts receivable includes billed and unbilled amounts.
Unbilled accounts receivable represents amounts where the Company has a present contractual right to bill but an invoice has not been issued to the customer at the period-end date. 73 Accounts receivable is the principal component of our working capital and is generally driven by revenue growth. Accounts receivable includes billed and unbilled amounts.
A participant will be able to sell such shares of common stock in the market, subject to any requirements of the federal securities laws. 79 Equity-Based Compensation We measure the value of services received from employees and directors in exchange for an equity-based award based on the grant date fair value.
A participant will be able to sell such shares of common stock in the market, subject to any requirements of the federal securities laws. Equity-Based Compensation We measure the value of services received from employees and directors in exchange for an equity-based award based on the grant date fair value.
We recognize revenue for most of our contracts over time as performance obligations are satisfied, as we are continuously transferring control to the customer. Typically, revenue is recognized over time 75 using an input measure (i.e., costs incurred to date relative to total estimated costs at completion) to measure progress.
We recognize revenue for most of our contracts over time as performance obligations are satisfied, as we are continuously transferring control to the customer. Typically, revenue is recognized over time using an input measure (i.e., costs incurred to date relative to total estimated costs at completion) to measure progress.
Our decision to perform a qualitative impairment assessment in a given year is influenced by a number of factors, including the significance of the excess of our estimated fair value over carrying value at the last quantitative assessment date, the amount of time in between quantitative fair value assessments, and the date of the applicable acquisitions, if any.
Our decision to perform a qualitative impairment assessment in a given year is influenced by a number of factors, including the significance of the excess of our estimated fair value over carrying value 78 at the last quantitative assessment date, the amount of time in between quantitative fair value assessments, and the date of the applicable acquisitions, if any.
The financial results of IPKeys have been included in our consolidated results of operations from April 13, 2023 onward. 60 Xator Corporation On May 31, 2022, the Company acquired Xator Corporation for $387.5 million. This strategic acquisition expands Parsons’ presence within the U.S.
The financial results of IPKeys have been included in our consolidated results of operations from April 13, 2023 onward. Xator Corporation On May 31, 2022, the Company acquired Xator Corporation for $387.5 million. This strategic acquisition expands Parsons’ presence within the U.S.
Equity in (losses) earnings of unconsolidated joint ventures Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Equity in (losses) earnings of unconsolidated joint ventures $ (47,751 ) $ 16,347 $ (64,098 ) (392.1 )% 64 Equity in (losses) earnings of unconsolidated joint ventures for the year ended December 31, 2023 decreased by $64.1 million compared to the prior year.
Equity in earnings of unconsolidated joint ventures Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Equity in (losses) earnings of unconsolidated joint ventures $ (47,751 ) $ 16,347 $ (64,098 ) (392.1 )% 68 Equity in earnings of unconsolidated joint ventures for the year ended December 31, 2023 decreased by $64.1 million compared to the prior year.
We consider an accounting policy or estimate to be critical if the policy or estimate requires assumptions to be made that were uncertain at the time they were made and if changes in these assumptions could have a material impact on our financial condition or results of operations.
We consider an accounting policy 75 or estimate to be critical if the policy or estimate requires assumptions to be made that were uncertain at the time they were made and if changes in these assumptions could have a material impact on our financial condition or results of operations.
Revenue Recognition and Cost Estimation In our industry, recognition of revenue and profit on long-term contracts requires the use of assumptions and estimates related to total contract revenue, total cost at completion, and the 74 measurement of progress towards completion. Estimates are continually evaluated as work progresses and are revised when necessary.
Revenue Recognition and Cost Estimation In our industry, recognition of revenue and profit on long-term contracts requires the use of assumptions and estimates related to total contract revenue, total cost at completion, and the measurement of progress towards completion. Estimates are continually evaluated as work progresses and are revised when necessary.
These other items include, among other things, impairment of goodwill, intangible and other assets, interest and other expenses recognized on litigation matters, expenses incurred in connection with acquisitions and other non-recurring transaction costs, equity-based compensation, and expenses related to our corporate restructuring initiatives.
These other items include, among other 70 things, impairment of goodwill, intangible and other assets, interest and other expenses recognized on litigation matters, expenses incurred in connection with acquisitions and other non-recurring transaction costs, equity-based compensation, and expenses related to our corporate restructuring initiatives.
For certain equipment leases, such as vehicles, we account for the lease and non-lease components as a single lease component. Additionally, for certain equipment leases, we apply a portfolio approach to effectively account for the operating lease ROU assets and liabilities. We have operating and finance leases for corporate and project office spaces, vehicles, heavy machinery and office equipment.
For certain equipment leases, such as vehicles, we account for the lease and non-lease components as a single lease component. Additionally, for certain equipment leases, we apply a portfolio approach to effectively account for the operating lease ROU assets and liabilities. 77 We have operating and finance leases for corporate and project office spaces, vehicles, heavy machinery and office equipment.
The fair value of this contingent consideration is included as part of the purchase price of the acquired company on the acquisition date and recorded in at its fair value within other liabilities or other long-term liabilities, as appropriate on the consolidated balance sheets.
The fair value of this contingent consideration is included as part of the purchase price of the acquired company on the acquisition date and recorded at its fair value within other liabilities or other long-term liabilities, as appropriate on the consolidated balance sheets.
Our VIEs may be funded through contributions, loans and/or advances from the joint venture 78 partners or by advances and/or letters of credit provided by clients. Certain VIEs are directly governed, managed, operated and administered by the joint venture partners.
Our VIEs may be funded through contributions, loans and/or advances from the joint venture partners or by advances and/or letters of credit provided by clients. Certain VIEs are directly governed, managed, operated and administered by the joint venture partners.
See “Risk Factors—Risks Relating to Our Business—We may not realize the full value of our backlog, which may result in lower than expected revenue.” 58 The changes in backlog in both the Federal Solutions and Critical Infrastructure segments were primarily from ordinary course fluctuations in our business and the impacts related to the Company’s awards discussed above.
See “Risk Factors—Risks Relating to Our Business—We may not realize the full value of our backlog, which may result in lower than expected revenue.” 59 The changes in backlog in both the Federal Solutions and Critical Infrastructure segments were primarily from ordinary course fluctuations in our business and the impacts related to the Company’s awards discussed above.
As of December 31, 2023, we believe we have adequate liquidity and capital resources to fund our operations, support our debt service and support our ongoing acquisition strategy for at least the next twelve months based on the liquidity from cash provided by our operating activities, cash and cash equivalents on-hand and our borrowing capacity under our Revolving Credit Facility.
As of December 31, 2024, we believe we have adequate liquidity and capital resources to fund our operations, support our debt service and support our ongoing acquisition strategy for at least the next twelve months based on the liquidity from cash provided by our operating activities, cash and cash equivalents on-hand and our borrowing capacity under our Revolving Credit Facility.
We perform a goodwill impairment test annually, on October 1 st of each year, for each reporting unit that requires certain assumptions and estimates be made regarding industry economic factors and future profitability. For the years ended December 31, 2023, December 31, 2022 and December 31, 2021, we performed a quantitative analysis for all of our reporting units.
We perform a goodwill impairment test annually, on October 1 st of each year, for each reporting unit that requires certain assumptions and estimates be made regarding industry economic factors and future profitability. For the years ended December 31, 2024, December 31, 2023 and December 31, 2022, we performed a quantitative analysis for all of our reporting units.
Management believes that there are no claims or assessments outstanding which would materially affect our consolidated results of operations or our financial position.
Management believes that there are no claims or assessments outstanding which would materially affect our consolidated results of operations or our financial position. 81
By combining our talented team of professionals and advanced technology, we solve complex technical challenges to enable a safer, smarter, more secure and more connected world. 56 We operate in two reporting segments, Federal Solutions and Critical Infrastructure. Our Federal Solutions business is an advanced technology provider to the U.S. government.
By combining our talented team of professionals and advanced technology, we solve complex technical challenges to enable a safer, smarter, more secure and more connected world. 57 We operate in two reporting segments, Federal Solutions and Critical Infrastructure. Our Federal Solutions business is an advanced technology provider to the U.S. government.
Government Spending Changes in the relative mix of government spending and areas of spending growth, with shifts in priorities on homeland security, intelligence, defense-related programs, infrastructure and urbanization, and continued increased spending on technology and innovation, including cybersecurity, artificial intelligence, connected communities and physical infrastructure, could impact our business and results of operations.
Government Spending Changes in the relative mix of government spending and areas of spending growth, with shifts in priorities on homeland security, intelligence, defense-related programs, infrastructure and urbanization, and continued increased spending on technology and innovation, including cyber, artificial intelligence, connected communities and physical infrastructure, could impact our business and results of operations.
The following table sets forth the book-to-bill ratio for the periods presented below: Fiscal Year Ended December 31, 2023 December 31, 2022 December 31, 2021 Federal Solutions 1.1 0.9 1.3 Critical Infrastructure 1.1 1.2 1.2 Overall 1.1 1.0 1.2 Factors and Trends Affecting Our Results of Operations We believe that the financial performance of our business and our future success are dependent upon many factors, including those highlighted in this section.
The following table sets forth the book-to-bill ratio for the periods presented below: Fiscal Year Ended December 31, 2024 December 31, 2023 December 31, 2022 Federal Solutions 1.0 1.1 0.9 Critical Infrastructure 1.2 1.1 1.2 Overall 1.0 1.1 1.0 Factors and Trends Affecting Our Results of Operations We believe that the financial performance of our business and our future success are dependent upon many factors, including those highlighted in this section.
Off-Balance Sheet Arrangements As of December 31, 2023, we have no off-balance sheet arrangements that have or are reasonably likely to have a material current or future effect on our financial condition, changes in financial condition, revenue or expenses, results of operations, liquidity, capital expenditures or capital resources.
Off-Balance Sheet Arrangements As of December 31, 2024, we have no off-balance sheet arrangements that have or are reasonably likely to have a material current or future effect on our financial condition, changes in financial condition, revenue or expenses, results of operations, liquidity, capital expenditures or capital resources.
Our last review at October 1, 2023 (i.e., the first day of our fourth quarter in fiscal 2023), indicated that we had no impairment of goodwill, and all of our reporting units had estimated fair values that were in excess of their carrying values, including goodwill.
Our last review at October 1, 2024 (i.e., the first day of our fourth quarter in fiscal 2024), indicated that we had no impairment of goodwill, and all of our reporting units had estimated fair values that were in excess of their carrying values, including goodwill.
Then the finite period cash flows and the terminal value are discounted to present value to arrive at an indication of fair value. We utilized internal financial projections through fiscal 2028. The Market Approach utilizes market comparable transactions and comparable companies to calculate the estimated fair value.
Then the finite period cash flows and the terminal value are discounted to present value to arrive at an indication of fair value. We utilized internal financial projections through fiscal 2029. The Market Approach utilizes market comparable transactions and comparable companies to calculate the estimated fair value.
We deliver innovative technology-driven solutions to customers worldwide. We have developed significant expertise and differentiated capabilities in key areas of cybersecurity and intelligence, space and missile defense, critical infrastructure protection, transportation, environmental remediation and urban development.
We deliver innovative technology-driven solutions to customers worldwide. We have developed significant expertise and differentiated capabilities in key areas of cyber and intelligence, space and missile defense, critical infrastructure protection, transportation, environmental remediation and urban development.
Our leases have remaining lease terms of one year to eight years, some of which may include options to extend the leases for up to five years, and some of which may include options to terminate the leases up to the third year.
Our leases have remaining lease terms of one year to eleven years, some of which may include options to extend the leases for up to five years, and some of which may include options to terminate the leases up to the third year.
We expect to recognize $3.8 billion of our funded backlog at December 31, 2023 as revenues in the following twelve months. However, our U.S. federal government customers may cancel their contracts with us at any time through a termination for convenience or may elect to not exercise option periods under such contracts.
We expect to recognize $3.9 billion of our funded backlog at December 31, 2024 as revenues in the following twelve months. However, our U.S. federal government customers may cancel their contracts with us at any time through a termination for convenience or may elect to not exercise option periods under such contracts.
On August 23, 2023, the Company acquired a 100% ownership interest in Sealing Technologies, Inc (“SealingTech”), a privately-owned company, for $179.3 million and up to an additional $25 million in the event an earn out revenue target is exceeded.
On August 23, 2023, the Company acquired a 100% ownership interest in Sealing Technologies, Inc (“SealingTech”), a privately-owned company, for $176.0 million and up to an additional $25 million in the event an earn out revenue target is exceeded.
Total ESOP contribution expense was $58.2 million for 2023, $54.7 million for 2022, and $54.9 million for fiscal 2021, and is recorded in “Direct cost of contracts” and “Selling, general and administrative expenses.” We expect operating expenses to increase due to our anticipated growth.
Total ESOP contribution expense was $59.8 million for 2024, $58.2 million for 2023, and $54.7 million for fiscal 2022, and is recorded in “Direct cost of contracts” and “Selling, general and administrative expenses.” We expect operating expenses to increase due to our anticipated growth.
Other income, net primarily consists of gain or loss on sale of assets, sublease income. transaction gain or loss related to movements in foreign currency exchange rates, and contingent consideration. 63 Year ended December 31, 2023 compared to year ended December 31, 2022 The following table sets forth our results of operations for fiscal 2023 and fiscal 2022 as a percentage of revenue.
Other income, net primarily consists of gain or loss on sale of assets, sublease income. transaction gain or loss related to movements in foreign currency exchange rates, contingent consideration and convertible debt repurchase loss. 64 Year ended December 31, 2024 compared to year ended December 31, 2023 The following table sets forth our results of operations for fiscal 2024 and fiscal 2023 as a percentage of revenue.
The table below presents the percentage of total revenue for each type of contract. Fiscal Year Ended December 31, 2023 December 31, 2022 December 31, 2021 Fixed-price 33% 27% 26% Time-and-materials 25% 28% 28% Cost-plus 42% 45% 46% The amount of risk and potential reward varies under each type of contract.
The table below presents the percentage of total revenue for each type of contract. Fiscal Year Ended December 31, 2024 December 31, 2023 December 31, 2022 Fixed-price 42% 33% 27% Time-and-materials 21% 25% 28% Cost-plus 37% 42% 45% The amount of risk and potential reward varies under each type of contract.
Interest expense increased for the year ended December 31, 2023 compared to the corresponding period last year primarily due to higher interest rates on borrowings. The amounts in other income (expense), net, are primarily related to transaction gains and losses on foreign currency transactions, sublease income, and contingent consideration.
Interest expense increased for the year ended December 31, 2023 compared to the corresponding period last year primarily due to higher interest rates on borrowings. The amounts in other income (expense), net, are primarily related to transaction gains and losses on foreign currency transactions, sublease income, and a change in the estimated fair value of contingent consideration.
We focus on collecting outstanding receivables to reduce net DSO and improve working capital. Net DSO was 59 days at December 31, 2023, down from 69 days at December 31, 2022. and 68 days at December 31, 2021.
We focus on collecting outstanding receivables to reduce net DSO and improve working capital. Net DSO was 55 days at December 31, 2024, down from 59 days at December 31, 2023 and 69 days at December 31, 2022.
Non-GAAP Financial Measures: (U.S. dollars in thousands) December 31, 2023 December 31, 2022 December 31, 2021 Other Information: Adjusted EBITDA (1) $ 464,673 $ 352,782 $ 309,720 Net Income Margin (2) 3.8 % 3.0 % 2.4 % Adjusted EBITDA Margin (3) 8.5 % 8.4 % 8.5 % (1) A reconciliation of net income attributable to Parsons Corporation to Adjusted EBITDA is set forth below (in thousands).
Non-GAAP Financial Measures: (U.S. dollars in thousands) December 31, 2024 December 31, 2023 December 31, 2022 Other Information: Adjusted EBITDA (1) $ 604,953 $ 464,673 $ 352,782 Net Income Margin (2) 4.3 % 3.8 % 3.0 % Adjusted EBITDA Margin (3) 9.0 % 8.5 % 8.4 % (1) A reconciliation of net income attributable to Parsons Corporation to Adjusted EBITDA is set forth below (in thousands).
(2) Net Income Margin is calculated as net income including noncontrolling interest divided by revenue in the applicable period.
(2) Net Income Margin is calculated as net income including noncontrolling interest divided by revenue in the applicable period. (3) Adjusted EBITDA Margin is calculated as Adjusted EBITDA divided by revenue in the applicable period.
The following table sets forth selected key metrics (in thousands, except Book-to-Bill): Period Ended December 31, 2023 December 31, 2022 December 31, 2021 Awards $ 5,996,780 $ 4,274,721 $ 4,565,792 Backlog (1) $ 8,592,271 $ 8,179,245 $ 8,346,937 Book-to-Bill 1.1 1.0 1.2 (1) Difference between our backlog of $8.6 billion and our remaining unsatisfied performance obligations, or RUPO, of $6.4 billion, each as of December 31, 2023, is due to (i) unissued task orders and unexercised option years, to the extent their issuance or exercise is probable, as well as (ii) contract awards, to the extent we believe contract execution and funding is probable.
The following table sets forth selected key metrics (in thousands, except Book-to-Bill): Period Ended December 31, 2024 December 31, 2023 December 31, 2022 Awards $ 7,039,272 $ 5,996,780 $ 4,274,721 Backlog (1) $ 8,893,915 $ 8,592,271 $ 8,179,245 Book-to-Bill 1.0 1.1 1.0 (1) Difference between our backlog of $8.9 billion and our remaining unsatisfied performance obligations, or RUPO, of $6.7 billion, each as of December 31, 2024, is due to (i) unissued task orders and unexercised option years, to the extent their issuance or exercise is probable, as well as (ii) contract awards, to the extent we believe contract execution and funding is probable.
Letters of Credit We also have in place several secondary bank credit lines for issuing letters of credit, principally for foreign contracts, to support performance and completion guarantees. Letters of credit commitments outstanding under these bank lines aggregated $320.7 million as of December 31, 2023. Letters of credit outstanding under the Credit Agreement total $43.8 million.
Letters of Credit We also have in place several secondary bank credit lines for issuing letters of credit, principally for foreign contracts, to support performance and completion guarantees. Letters of credit commitments outstanding under these bank lines aggregated $328.4 million as of December 31, 2024. Letters of credit outstanding under the Credit Agreement total $43.0 million.
Our effective tax rate was 23.9% and 21.0% for the years ended December 31, 2022 and 2021, respectively.
Our effective tax rate was 21.3% and 23.9% for the years ended December 31, 2023 and 2022, respectively.
Income tax expense Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Income tax expense $ 56,138 $ 39,657 $ 16,481 41.6 % Income tax expense increased in fiscal 2023 primarily due to an increase in overall earnings and an increase in foreign withholding taxes partially offset by increases in the foreign-derived intangible income (FDII) deduction and earnings in lower tax jurisdictions. 65 Our effective tax rate was 21.3% and 23.9% for the years ended December 31, 2023 and 2022, respectively.
Income tax expense Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Income tax expense $ 56,138 $ 39,657 $ 16,481 41.6 % Income tax expense increased in fiscal 2023 primarily due to an increase in overall earnings and an increase in foreign withholding taxes partially offset by increases in the foreign-derived intangible income (FDII) deduction and earnings in lower tax jurisdictions.
Our operating cash flows are primarily affected by our ability to invoice and collect from our clients in a timely manner, our ability to manage our vendor payments and the overall profitability of our contracts. Net cash provided by operating activities increased $170.2 million to $407.7 million during 2023 compared to $237.5 million during 2022.
Our operating cash flows are primarily affected by our ability to invoice and collect from our clients in a timely manner, our ability to manage our vendor payments and the overall profitability of our contracts. Net cash provided by operating activities increased $115.9 million to $523.6 million during 2024 compared to $407.7 million during 2023.
The following table summarizes the total value of new awards for the periods presented below (in thousands): Fiscal Year Ended December 31, 2023 December 31, 2022 December 31, 2021 Federal Solutions $ 3,259,052 $ 1,921,123 $ 2,458,528 Critical Infrastructure 2,737,728 2,353,598 2,107,264 Total Awards $ 5,996,780 $ 4,274,721 $ 4,565,792 The change in new awards from year to year is primarily due to ordinary course fluctuations in our business.
The following table summarizes the total value of new awards for the periods presented below (in thousands): Fiscal Year Ended December 31, 2024 December 31, 2023 December 31, 2022 Federal Solutions $ 3,880,290 $ 3,259,052 $ 1,921,123 Critical Infrastructure 3,158,982 2,737,728 2,353,598 Total Awards $ 7,039,272 $ 5,996,780 $ 4,274,721 The change in new awards from year to year is primarily due to ordinary course fluctuations in our business.
Total other income (expense) Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Interest income $ 2,191 $ 966 $ 1,225 126.8 % Interest expense (31,497 ) (23,185 ) (8,312 ) (35.9 )% Other income (expense), net 5,001 2,775 2,226 80.2 % Total other income (expense) $ (24,305 ) $ (19,444 ) $ (4,861 ) (25.0 )% Interest income increased for the year ended December 31, 2023 compared to the corresponding period last year primarily due to an increase in interest rates compared to the prior year on investments in government money funds.
Total other (expense) income Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Interest income $ 2,191 $ 966 $ 1,225 126.8 % Interest expense (31,497 ) (23,185 ) (8,312 ) (35.9 )% Other income (expense), net 5,001 2,775 2,226 80.2 % Total other income (expense) $ (24,305 ) $ (19,444 ) $ (4,861 ) (25.0 )% Interest income is related to interest earned on investments in government money funds.
Seasonality Our results may be affected by variances as a result of weather conditions and contract award seasonality impacts that we experience across our businesses. The latter issue is typically driven by the U.S. federal government fiscal year-end, September 30.
The financial results of Xator have been included in our consolidated results of operations from May 31, 2022 onward. Seasonality Our results may be affected by variances as a result of weather conditions and contract award seasonality impacts that we experience across our businesses. The latter issue is typically driven by the U.S. federal government fiscal year-end, September 30.
We calculate our available liquidity as a sum of cash and cash equivalents from our consolidated balance sheet plus the amount available and unutilized on our Credit Agreement and Delayed Draw Term Loan.
We calculate our available liquidity as a sum of cash and cash equivalents from our consolidated balance sheet plus the amount available and unutilized on our Revolving Credit Facility.
The change in new awards in both our Federal Solutions and Critical Infrastructure segments for the year ended December 31, 2023 when compared to the corresponding period last year was primarily driven by an overall increase in the number of large contract awards. 57 Backlog We define backlog to include the following two components: • Funded—Funded backlog represents the revenue value of orders for services under existing contracts for which funding is appropriated or otherwise authorized less revenue previously recognized on these contracts. • Unfunded—Unfunded backlog represents the revenue value of orders for services under existing contracts for which funding has not been appropriated or otherwise authorized less revenue previously recognized on these contracts.
The change in new awards in both our Federal Solutions and Critical Infrastructure segments for the year ended December 31, 2024 when compared to the corresponding period last year was primarily due to significant option period awards in our Federal Solutions segment and three large transportation awards and a mining award in our Critical Infrastructure segment. 58 Backlog We define backlog to include the following two components: • Funded—Funded backlog represents the revenue value of orders for services under existing contracts for which funding is appropriated or otherwise authorized less revenue previously recognized on these contracts. • Unfunded—Unfunded backlog represents the revenue value of orders for services under existing contracts for which funding has not been appropriated or otherwise authorized less revenue previously recognized on these contracts.
The following table summarizes the value of our backlog at the respective dates presented (in thousands): As of December 31, 2023 December 31, 2022 December 31, 2021 Federal Solutions: Funded $ 1,454,581 $ 1,257,537 $ 1,414,985 Unfunded 3,490,781 3,586,791 3,906,678 Total Federal Solutions 4,945,362 4,844,328 5,321,663 Critical Infrastructure: Funded 3,578,902 3,280,701 2,957,968 Unfunded 68,007 54,216 67,306 Total Critical Infrastructure 3,646,909 3,334,917 3,025,274 Total Backlog (1) $ 8,592,271 $ 8,179,245 $ 8,346,937 (1) Difference between our backlog of $8.6 billion and our RUPO of $6.4 billion, each as of December 31, 2023, is due to (i) unissued task orders and unexercised option years, to the extent their issuance or exercise is probable, as well as (ii) contract awards, to the extent we believe contract execution and funding is probable.
The following table summarizes the value of our backlog at the respective dates presented (in thousands): As of December 31, 2024 December 31, 2023 December 31, 2022 Federal Solutions: Funded $ 1,712,627 $ 1,454,581 $ 1,257,537 Unfunded 2,961,356 3,490,781 3,586,791 Total Federal Solutions 4,673,983 4,945,362 4,844,328 Critical Infrastructure: Funded 4,167,611 3,578,902 3,280,701 Unfunded 52,321 68,007 54,216 Total Critical Infrastructure 4,219,932 3,646,909 3,334,917 Total Backlog (1) $ 8,893,915 $ 8,592,271 $ 8,179,245 (1) Difference between our backlog of $8.9 billion and our RUPO of $6.7 billion, each as of December 31, 2024, is due to (i) unissued task orders and unexercised option years, to the extent their issuance or exercise is probable, as well as (ii) contract awards, to the extent we believe contract execution and funding is probable.
Financing Activities Net cash provided by (used in) financing activities is primarily associated with proceeds from debt, the repayment thereof, transactions related to the Company’s common stock, and contributions by and distributions to noncontrolling interests. Net cash (used in) provided by financing activities changed by $122.2 million to $(21.9) million in 2023 compared to $100.4 million in 2022.
Financing Activities Net cash provided by (used in) financing activities is primarily associated with proceeds from debt, the repayment thereof, transactions related to the Company’s common stock, and contributions by and distributions to noncontrolling interests. Net cash provided by (used in) financing activities increased by $240.6 million to $218.7 million in 2024 compared to $(21.9) million in 2023.
Our working capital (current assets less current liabilities) was $726.6 million at December 31, 2023, $611.7 million at December 31, 2022 and $601.6 million at December 31, 2021. Our cash and cash equivalents increased by $10.4 million to $272.9 million at December 31, 2023 from $262.5 million at December 31, 2022.
Our working capital (current assets less current liabilities) was $546.8 million at December 31, 2024, $726.6 million at December 31, 2023 and $611.7 million at December 31, 2022. Our cash and cash equivalents increased by $180.6 million to $453.5 million at December 31, 2024 from $272.9 million at December 31, 2023.
This compares to a decrease in cash and cash equivalents of $81.3 million to $262.5 million at December 31, 2022 from $343.9 million at December 31, 2021. 72 The following table summarizes our sources and uses of cash over the periods presented (in thousands): Fiscal Year Ended December 31, 2023 December 31, 2022 December 31, 2021 Net cash provided by operating activities $ 407,699 $ 237,526 $ 205,574 Net cash used in investing activities (375,970 ) (417,468 ) (240,907 ) Net cash (used in) provided by financing activities (21,871 ) 100,368 (106,503 ) Effect of exchange rate changes 546 (1,770 ) (1,496 ) Net increase (decrease) in cash and cash equivalents $ 10,404 $ (81,344 ) $ (143,332 ) Operating Activities Net cash provided by operating activities consists primarily of net income adjusted for noncash items, such as: equity in (losses) earnings of unconsolidated joint ventures, contributions of treasury stock, depreciation and amortization of property and equipment and intangible assets, provisions for doubtful accounts, amortization of deferred gains, and impairment charges.
The following table summarizes our sources and uses of cash over the periods presented (in thousands): Fiscal Year Ended December 31, 2024 December 31, 2023 December 31, 2022 Net cash provided by operating activities $ 523,606 $ 407,699 $ 237,526 Net cash used in investing activities (556,715 ) (375,970 ) (417,468 ) Net cash (used in) provided by financing activities 218,749 (21,871 ) 100,368 Effect of exchange rate changes (5,035 ) 546 (1,770 ) Net increase (decrease) in cash and cash equivalents $ 180,605 $ 10,404 $ (81,344 ) Operating Activities Net cash provided by operating activities consists primarily of net income adjusted for noncash items, such as: equity in (losses) earnings of unconsolidated joint ventures, contributions of treasury stock, depreciation and amortization of property and equipment and intangible assets, provisions for doubtful accounts, amortization of deferred gains, and impairment charges.
Change orders, which are a normal and recurring part of our business, are generally not distinct and are accounted for as part of the existing contract. The effect of a change order that is not distinct on the transaction price and our measure of progress for the performance obligation to which it relates is recognized on a cumulative catch-up basis.
The effect of a change order that is not distinct on the transaction price and our measure of progress for the performance obligation to which it relates is 76 recognized on a cumulative catch-up basis.
Engineers, LLC, a privately-owned company, for $12.2 million, subject to certain adjustments. Headquartered in Texas, I.S. Engineers, LLC provides full-service consulting specializing in transportation engineering, including roads and highways, and program management. The financial results of I.S. Engineers have been included in our consolidated results of operations from October 31, 2023 onward. Sealing Technologies, Inc.
Engineers, LLC provides full-service consulting specializing in transportation engineering, including roads and highways, and program management. The financial results of I.S. Engineers have been included in our consolidated results of operations from October 31, 2023 onward. 61 Sealing Technologies, Inc.
Selling, general and administrative expenses Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Selling, general and administrative expenses $ 869,905 $ 777,403 $ 92,502 11.9 % SG&A expenses for the year ended December 31, 2023 increased by $92.5 million compared to the prior year.
Selling, general and administrative expenses Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Selling, general and administrative expenses $ 869,905 $ 777,403 $ 92,502 11.9 % As a percentage of revenue, SG&A decreased by 2.5% to 16.0% for the year ended December 31, 2023 compared to 18.5% for the corresponding period last year.
A participant’s interest in their ESOP account is redeemable upon certain events, including retirement, death, termination due to permanent disability, a severe financial hardship following termination of employment, certain conflicts of interest following termination of employment, or the exercise of diversification rights Distributions from the ESOP of participants’ interests are made in our common stock based on quoted prices of a share of our common stock on the NYSE.
Shares allocated to a participant’s account are fully vested after three years of credited service, or in the event(s) of reaching age 65, death or disability while an active employee, whichever occurs first. 80 A participant’s interest in their ESOP account is redeemable upon certain events, including retirement, death, termination due to permanent disability, a severe financial hardship following termination of employment, certain conflicts of interest following termination of employment, or the exercise of diversification rights Distributions from the ESOP of participants’ interests are made in our common stock based on quoted prices of a share of our common stock on the NYSE.
In contrast, we may be limited to bill certain fixed-price contracts only when specified milestones, including deliveries, are achieved. A number of our contracts may provide for performance-based payments, which allow us to bill and collect cash prior to completing the work. Billed accounts receivable represents amounts billed to clients that have not been collected.
A number of our contracts may provide for performance-based payments, which allow us to bill and collect cash prior to completing the work. Billed accounts receivable represents amounts billed to clients that have not been collected.
Fiscal Year Ended December 31, 2022 December 31, 2021 Revenues 100.0 % 100.0 % Direct costs of contracts 77.4 % 76.7 % Equity in earnings of unconsolidated joint ventures 0.4 % 1.0 % Selling, general and administrative expenses 18.5 % 20.7 % Operating income 4.4 % 3.6 % Interest income 0.0 % 0.0 % Interest expense (0.6 )% (0.5 )% Other income, net 0.1 % (0.1 )% Total other income benefit (expense) (0.5 )% (0.5 )% Income before income tax expense 4.0 % 3.1 % Income tax expense (0.9 )% (0.6 )% Net income including noncontrolling interests 3.0 % 2.4 % Net income attributable to noncontrolling interests (0.7 )% (0.7 )% Net income attributable to Parsons Corporation 2.3 % 1.8 % Revenue Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2022 December 31, 2021 Dollar Percent Revenue $ 4,195,272 $ 3,660,771 $ 534,501 14.6 % Revenue for the year ended December 31, 2022 compared to the prior year increased $534.5 million.
Fiscal Year Ended December 31, 2024 December 31, 2023 Revenues 100.0 % 100.0 % Direct costs of contracts 79.2 % 77.8 % Equity in (losses) earnings of unconsolidated joint ventures (0.3 )% (0.9 )% Selling, general and administrative expenses 14.1 % 16.0 % Operating income 6.3 % 5.3 % Interest income 0.2 % 0.0 % Interest expense (0.8 )% (0.6 )% Convertible debt repurchase loss (0.3 )% (— )% Other income, net (0.0 )% 0.1 % Total other income benefit (expense) (0.9 )% (0.4 )% Income before income tax expense 5.4 % 4.9 % Income tax expense (1.1 )% (1.0 )% Net income including noncontrolling interests 4.3 % 3.8 % Net income attributable to noncontrolling interests (0.8 )% (0.9 )% Net income attributable to Parsons Corporation 3.5 % 3.0 % Revenue Fiscal Year Ended Variance (U.S. dollars in thousands) December 31, 2024 December 31, 2023 Dollar Percent Revenue $ 6,750,576 $ 5,442,749 $ 1,307,827 24.0 % Revenue for the year ended December 31, 2024 compared to the prior year increased $1.3 billion.
Over time, we have experienced a relatively stable contract mix. Our recognition of profit on long-term contracts requires the use of assumptions related to transaction price and total cost of completion. Estimates are continually evaluated as work progresses and are revised when necessary.
Our recognition of profit on long-term contracts requires the use of assumptions related to transaction price and total cost of completion. Estimates are continually evaluated as work progresses and are revised when necessary. When a change in estimated cost or transaction price is determined to have an impact on contract profit, we record a positive or negative adjustment to revenue.
Adjusted EBITDA attributable to Parsons Corporation is Adjusted EBITDA excluding Adjusted EBITDA attributable to noncontrolling interests. 69 The following table shows Adjusted EBITDA attributable to Parsons Corporation for each of our reportable segments and Adjusted EBITDA attributable to noncontrolling interests: Fiscal Year Ended (U.S. dollars in thousands) December 31, 2023 December 31, 2022 December 31, 2021 Federal Solutions Adjusted EBITDA attributable to Parsons Corporation $ 289,250 $ 199,004 $ 162,733 Critical Infrastructure Adjusted EBITDA attributable to Parsons Corporation 127,785 123,385 121,700 Adjusted EBITDA attributable to noncontrolling interests 47,638 30,393 25,287 Total Adjusted EBITDA $ 464,673 $ 352,782 $ 309,720 Year ended December 31, 2023 compared to year ended December 31, 2022 Federal Solutions The Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Revenue $ 3,020,701 $ 2,212,987 $ 807,714 36.5 % Adjusted EBITDA attributable to Parsons Corporation $ 289,250 $ 199,004 $ 90,246 45.3 % The increase in Federal Solutions revenue for the year ended December 31, 2023 compared to the corresponding period last year was primarily due to organic growth of 25% and increases from business acquisitions of $264.1 million.
Year ended December 31, 2023 compared to year ended December 31, 2022 Federal Solutions The Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Revenue $ 3,020,701 $ 2,212,987 $ 807,714 36.5 % Adjusted EBITDA attributable to Parsons Corporation $ 289,250 $ 199,004 $ 90,246 45.3 % The increase in Federal Solutions revenue for the year ended December 31, 2023 compared to the corresponding period last year was primarily due to organic growth of 25% and increases from business acquisitions of $264.1 million.
(3) Adjusted EBITDA Margin is calculated as Adjusted EBITDA divided by revenue in the applicable period. 68 December 31, 2023 December 31, 2022 December 31, 2021 Net income attributable to Parsons Corporation $ 161,149 $ 96,664 $ 64,072 Interest expense, net 29,306 22,219 17,301 Income tax expense (benefit) 56,138 39,657 23,636 Depreciation and amortization 119,973 120,501 144,209 Net income attributable to noncontrolling interests 46,766 29,901 24,880 Equity-based compensation 36,151 24,354 19,601 Transaction-related costs (a) 12,013 16,270 11,965 Restructuring (b) 1,244 213 736 Other (c) 1,933 3,003 3,320 Adjusted EBITDA $ 464,673 $ 352,782 $ 309,720 (a) Reflects costs incurred in connection with acquisitions, and other non-recurring transaction costs, primarily fees paid for professional services and employee retention.
December 31, 2024 December 31, 2023 December 31, 2022 Net income attributable to Parsons Corporation $ 235,053 $ 161,149 $ 96,664 Interest expense, net 40,154 29,306 22,219 Income tax expense (benefit) 76,986 56,138 39,657 Depreciation and amortization 99,251 119,973 120,501 Net income attributable to noncontrolling interests 55,612 46,766 29,901 Equity-based compensation 61,492 36,151 24,354 Transaction-related costs (a) 17,138 12,013 16,270 Convertible debt repurchase loss 18,355 - - Restructuring (b) - 1,244 213 Other (c) 912 1,933 3,003 Adjusted EBITDA $ 604,953 $ 464,673 $ 352,782 (a) Reflects costs incurred in connection with acquisitions, and other non-recurring transaction costs, primarily fees paid for professional services and employee retention.
The decrease was primarily related to write-downs on joint ventures of $83.4 million. $57.9 million of the joint venture write-downs related to Parsons’ participation in a design build joint venture. The write-down relates to supply chain challenges identified during the procurement of materials which impacted the estimate to complete the project.
The decrease was primarily related to write-downs on joint ventures of $83.4 million. $57.9 million of the joint venture write-downs related to Parsons’ participation in a design build joint venture.
Critical Infrastructure The Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Revenue $ 2,422,048 $ 1,982,285 $ 439,763 22.2 % Adjusted EBITDA attributable to Parsons Corporation $ 127,785 $ 123,385 $ 4,400 3.6 % The increase in Critical Infrastructure revenue for the year ended December 31, 2023 compared to the corresponding period last year was substantially due to organic growth.
These increases were offset by higher selling general and administrative costs from business acquisitions, business development and sales activities, and incentive compensation costs as a result of the company's strong operating performance and growing employee base. 72 Critical Infrastructure The Year Ended Variance (U.S. dollars in thousands) December 31, 2023 December 31, 2022 Dollar Percent Revenue $ 2,422,048 $ 1,982,285 $ 439,763 22.2 % Adjusted EBITDA attributable to Parsons Corporation $ 127,785 $ 123,385 $ 4,400 3.6 % The increase in Critical Infrastructure revenue for the year ended December 31, 2023 compared to the corresponding period last year was substantially due to organic growth.
Investing Activities Net cash used in investing activities consists primarily of cash flows associated with capital expenditures and business acquisitions. Net cash used in investing activities decreased $41.5 million to $376.0 million during 2023 compared to $417.5 million during 2022.
Net cash used in investing activities decreased $41.5 million to $376.0 million during 2023 compared to $417.5 million during 2022.
Results of Operations Revenue Our revenue consists of both services provided by our employees and pass-through fees from subcontractors and other direct costs. Our Federal Solutions segment derives revenue primarily from the U.S. federal government and our Critical Infrastructure segment derives revenue primarily from government and commercial customers.
Results of Operations Revenue Our revenue consists of both services provided by our employees and pass-through fees from subcontractors and other direct costs.
The difference between the statutory U.S. federal income tax rate of 21% and the effective tax rate for the year ended December 31, 2022 primarily relates to state income taxes and a recorded valuation allowance on foreign tax credit carryovers, offset in part by benefits related to income attributable to noncontrolling interest, earnings in lower tax jurisdictions and federal research tax credits.
The difference between the statutory U.S. federal income tax rate of 21% and the effective tax rate for the year ended December 31, 2024 primarily relates to state income taxes, valuation allowance and executive compensations subject to Section 162(m) offset by benefits related to untaxed income attributable to noncontrolling interests, earnings in lower tax jurisdictions, the FDII deduction, and equity-based compensation.
Billing timetables and payment terms on our contracts vary based on a number of factors, including whether the contract type is cost-plus, time-and-materials, or fixed-price. We generally bill and collect cash more frequently under cost-plus and time-and-materials contracts, as we are authorized to bill as the costs are incurred or work is performed.
We generally do not begin work on contracts until funding is appropriated by the customers. Billing timetables and payment terms on our contracts vary based on a number of factors, including whether the contract type is cost-plus, time-and-materials, or fixed-price.
Joint Ventures We conduct a portion of our business through joint ventures or similar partnership arrangements. For the joint ventures we control, we consolidate all the revenues and expenses in our consolidated statements of income (including revenues and expenses attributable to noncontrolling interests).
For the joint ventures we control, we consolidate all the revenues and expenses in our consolidated statements of income (including revenues and expenses attributable to noncontrolling interests). For the joint ventures we do not control, we recognize equity in earnings (losses) of unconsolidated joint ventures.
The changes in the Company's various working capital accounts were driven primarily by the significant increase in business volume during the year ended December 31, 2023 compared to the corresponding period last year. Net cash provided by operating activities increased $32.0 million to $237.5 million during 2022 compared to $205.6 million during 2021.
The changes in the Company's various working capital accounts were driven primarily by the significant increase in business volume during the year ended December 31, 2023 compared to the corresponding period last year. 74 Investing Activities Net cash used in investing activities consists primarily of cash flows associated with capital expenditures and business acquisitions.
Consolidation of Joint Ventures and Variable Interest Entities We participate in joint ventures, which include partnerships and partially owned limited liability corporations, to bid, negotiate and complete specific projects. We are required to consolidate these joint ventures if we hold the majority voting interest or if we meet the criteria under the consolidation model as described below.
We are required to consolidate these joint ventures if we hold the majority voting interest or if we meet the criteria under the consolidation model as described below.
Our ability to effectively deliver on project engagements and successfully assist our customers affects our ability to win new contracts and drives our financial performance. Acquired Operations I.S. Engineers, LLC On October 31, 2023, the Company entered into a Membership Interest Purchase Agreement to acquire a 100% ownership interest in I.S.
Our ability to effectively deliver on project engagements and successfully assist our customers affects our ability to win new contracts and drives our financial performance. Acquired Operations BCC Engin eering, LLC On November 1, 2024, the Company acquired a 100% ownership interest in BCC Engineering, LLC ("BCC") a privately owned company, for $232.7 million.
In 2023, 2022 and 2021, we made annual contributions to the ESOP in the amount of 8% of the participants’ cash compensation for the applicable year.
Costs associated with compensation-related expenses for our people and facilities, which includes ESOP contribution expenses, are the most significant component of our operating expenses. In 2024, 2023 and 2022, we made annual contributions to the ESOP in the amount of 8% of the participants’ cash compensation for the applicable year.
Year ended December 31, 2022 compared to year ended December 31, 2021 The following table sets forth our results of operations for fiscal 2022 and fiscal 2021 as a percentage of revenue.
We are continuing to evaluate the potential impact on future periods of the Pillar Two Framework, pending enactment of legislation by individual countries. 67 Year ended December 31, 2023 compared to year ended December 31, 2022 The following table sets forth our results of operations for fiscal 2023 and fiscal 2022 as a percentage of revenue.
The increase in Critical Infrastructure Adjusted EBITDA attributable to Parsons for the year ended December 31, 2022 compared to the corresponding period last year was primarily due to increases in business volume, partially offset by reduced equity in earnings of $21.9 million and increased SG&A.
The increase in Critical Infrastructure Adjusted EBITDA attributable to Parsons for the year ended December 31, 2024 compared to the corresponding period last year was primarily due to the increase in organic revenue.
The increase in net cash provided by operating activities is primarily due to a $40.4 million change in net income after adjusting for non-cash items and a change in the use of cash related to other long-term liabilities of $50.1 million.
The increase in net cash provided by operating activities is primarily due to a $98.4 million change in net income after adjusting for non-cash items and convertible debt settlement and from changes in our working capital accounts of $46.4 million (primarily from contract assets and prepaid expenses and other assets offset by accounts payable, accrued expenses and other current liabilities, and contract liabilities).
We enter into the following types of contracts with our customers: • Under cost-plus contracts, we are reimbursed for allowable or otherwise defined costs incurred, plus a fee. The contracts may also include incentives for various performance criteria, including quality, timeliness, safety and cost-effectiveness.
Our Federal Solutions segment derives revenue primarily from the U.S. federal government and our Critical Infrastructure segment derives revenue primarily from government and commercial customers. 62 We enter into the following types of contracts with our customers: • Under cost-plus contracts, we are reimbursed for allowable or otherwise defined costs incurred, plus a fee.