Biggest changeThe increase in SG&A expenses at our existing operations of $45.8 million, assuming foreign currency parity, for the year ended December 31, 2022 was comprised of a collective increase in travel, meetings, training and community activity expenses of $22.6 million due to increased travel and social gatherings in the current year period due to a reduction in restrictions associated with the COVID-19 pandemic, an increase in administrative payroll expenses of $16.4 million due primarily to annual pay increases, an increase in direct acquisition expenses of $13.6 million due to an increase in acquisition activity in the current period, an increase in equity-based compensation expenses of $6.2 million associated with our annual recurring grant of restricted share units to our personnel, an increase in software license fees of $3.7 million associated with new information technology applications, an increase in bad debt costs of $2.8 million associated with increased revenue, an increase in professional fees of $1.6 million due primarily to increased legal services, an increase of $0.8 million resulting from the payment of supplemental bonuses to non-management employees to provide financial assistance associated with the impact of the COVID-19 pandemic and $4.1 million of other net expense increases, partially offset by a decrease in deferred compensation expenses of $9.1 million as a result of decreases in the market value of investments to which employee deferred compensation liability balances are tracked, a decrease in accrued recurring cash incentive compensation expense to our management of $8.6 million, a decrease of $5.2 million in equity-based compensation expenses associated with the prior year period including adjustments to increase the fair value of our common shares held in our deferred compensation plan by certain key executives as a result of the shares being exchanged for other investment options, and a decrease in equity-based compensation expenses of $3.1 million associated with changes in our share price resulting in fair value measurement decreases to equity awards accounted for as liabilities that were granted to employees of Progressive Waste prior to June 1, 2016, which are subject to valuation adjustments each period.
Biggest changeThe increase in SG&A expenses at our existing operations of $76.6 million, assuming foreign currency parity, for the year ended December 31, 2023 was comprised of an increase in administrative payroll expenses of $22.8 million, an increase in incentive compensation expense of $16.5 million, an increase in executive separation costs of $16.1 million, an increase in deferred compensation expenses of $9.9 million as a result of increases in the market value of investments to which employee deferred compensation liability balances are tracked, an increase in equity-based compensation expenses of $8.9 million associated with our annual recurring grants of restricted share units to our personnel, an increase in professional fees of $5.4 million, an increase in software license fees of $5.2 million, a collective increase in travel, meetings and training expenses of $4.5 million and $1.6 million of other net expense increases, partially offset by a decrease in direct acquisition expenses of $14.3 million due to a decrease in acquisition activity in the current period.
We cannot assure as to the amounts or timing of future share repurchases or dividends. We have the ability under our Credit Agreement and Term Loan Agreement to repurchase our common shares and pay dividends provided that we maintain specified financial ratios.
We cannot assure as to the amounts or timing of future dividends or share repurchases. We have the ability under our Credit Agreement and Term Loan Agreement to repurchase our common shares and pay dividends provided that we maintain specified financial ratios.
Landfill development costs . Landfill development costs include the costs of acquisition, construction associated with excavation, liners, site berms, groundwater monitoring wells, gas recovery systems and leachate collection systems. We estimate the total costs associated with developing each landfill site to its final capacity. Total landfill costs include the development costs associated with expansion airspace. Expansion airspace is described below.
Landfill development costs include the costs of acquisition, construction associated with excavation, liners, site berms, groundwater monitoring wells, gas recovery systems and leachate collection systems. We estimate the total costs associated with developing each landfill site to its final capacity. Total landfill costs include the development costs associated with expansion airspace. Expansion airspace is described below.
Outstanding amounts on the term loan can be either base rate loans or Term SOFR loans.
Outstanding amounts on the term loan can be either base rate loans or Term SOFR loans.
Waste Connections also provides E&P waste services in several basins across the U.S., as well as intermodal services for the movement of cargo and solid waste containers in the Pacific Northwest.
Waste Connections also provides E&P waste services in several basins across the U.S. and Canada, as well as intermodal services for the movement of cargo and solid waste containers in the Pacific Northwest.
The detailed results of our 2022, 2021 and 2020 impairment tests are described in Note 3 of our consolidated financial statements included in Item 8 of this Annual Report on Form 10-K. Business Combination Accounting . We recognize, separately from goodwill, the identifiable assets acquired and liabilities assumed at their estimated acquisition date fair values.
The detailed results of our 2023, 2022 and 2021 impairment tests are described in Note 3 of our consolidated financial statements included in Item 8 of this Annual Report on Form 10-K. Business Combination Accounting . We recognize, separately from goodwill, the identifiable assets acquired and liabilities assumed at their estimated acquisition date fair values.
Direct acquisition expenses, expenses associated with common shares held in the deferred compensation plan exchanged for other investment options and share-based compensation expenses associated with Progressive Waste share-based grants outstanding at June 1, 2016 that were continued by the Company are not allocated to the five operating segments and comprise the net EBITDA for our Corporate segment for the periods presented.
Direct acquisition expenses, expenses associated with common shares held in the deferred compensation plan exchanged for other investment options and share-based compensation expenses associated with Progressive Waste share-based grants outstanding at June 1, 2016 that were continued by the Company are not allocated to the six operating segments and comprise the net EBITDA for our Corporate segment for the periods presented.
These exclusive arrangements are awarded, at least initially, on a competitive bid basis and subsequently on a bid or negotiated basis. The standard customer service agreements generally range from one to three years in duration, although some exclusive franchises are for significantly longer periods. Residential collection services are also provided on a subscription basis with individual households.
These exclusive arrangements are awarded, at least initially, on a competitive bid basis and subsequently on a bid or negotiated basis. The standard customer service agreements generally range from one to five years in duration, although some exclusive franchises are for significantly longer periods. Residential collection services are also provided on a subscription basis with individual households.
Capital Position We target a Leverage Ratio, as defined substantially identically in both our Credit Agreement and Term Loan Agreement, of approximately 2.5x – 3.0x total debt to EBITDA. The Leverage Ratio is a non-GAAP ratio (refer to page 74 of this Annual Report on Form 10-K for more information on this ratio).
Capital Position We target a Leverage Ratio, as defined substantially identically in both our Credit Agreement and Term Loan Agreement, of approximately 2.5x – 3.0x total debt to EBITDA. The Leverage Ratio is a non-GAAP ratio (refer to page 76 of this Annual Report on Form 10-K for more information on this ratio).
Based on our deferred income tax liability balance at December 31, 2022, each 0.1 percentage point change to our expected future income tax rates would change our deferred income tax liability balance and income tax expense by approximately $3.9 million. Accounting for landfills . We recognize landfill depletion expense as airspace of a landfill is consumed.
Based on our deferred income tax liability balance at December 31, 2023, each 0.1 percentage point change to our expected future income tax rates would change our deferred income tax liability balance and income tax expense by approximately $3.9 million. Accounting for landfills . We recognize landfill depletion expense as airspace of a landfill is consumed.
These arrangements have not materially affected our financial position, results of operations or liquidity during the year ended December 31, 2022, nor are they expected to have a material impact on our future financial position, results of operations or liquidity. From time to time, we evaluate our existing operations and their strategic importance to us.
These arrangements have not materially affected our financial position, results of operations or liquidity during the year ended December 31, 2023, nor are they expected to have a material impact on our future financial position, results of operations or liquidity. From time to time, we evaluate our existing operations and their strategic importance to us.
Other companies may calculate leverage ratios differently. 74 Table of Contents Inflation In the current environment, we have seen inflationary pressures resulting from higher fuel, materials and labor costs in certain markets and higher resulting third-party costs in areas such as brokerage, repairs and construction.
Other companies may calculate leverage ratios differently. 76 Table of Contents Inflation In the current environment, we have seen inflationary pressures resulting from higher fuel, materials and labor costs in certain markets and higher resulting third-party costs in areas such as brokerage, repairs and construction.
For our impairment testing of our operating segments for the year ended December 31, 2022, we determined that the indicated fair value of each of our reporting units exceeded their carrying value in excess of 200% and, therefore, we did not record an impairment charge.
For our impairment testing of our operating segments for the year ended December 31, 2023, we determined that the indicated fair value of each of our reporting units exceeded their carrying value in excess of 200% and, therefore, we did not record an impairment charge.
The following assumptions were made in calculating cash interest payments: 1) We calculated cash interest payments on the Credit Agreement using the Term SOFR rate plus the applicable Term SOFR margin, the base rate plus the applicable base rate margin, the Canadian Dollar Offered Rate plus the applicable acceptance fee and the Canadian prime rate plus the applicable prime rate margin at December 31, 2022.
The following assumptions were made in calculating cash interest payments: 1) We calculated cash interest payments on the Credit Agreement using the Term SOFR rate plus the applicable Term SOFR margin, the base rate plus the applicable base rate margin, the Canadian Dollar Offered Rate plus the applicable acceptance fee and the Canadian prime rate plus the applicable prime rate margin at December 31, 2023.
Our discount rate assumption for purposes of computing 2022 and 2021 “layers” for final capping, closure and post-closure obligations is based on our long-term credit adjusted risk free rate. Our discount rate ranged from 3.25% to 5.50% for 2022 and was 3.25% for 2021.
Our discount rate assumption for purposes of computing 2023 and 2022 “layers” for final capping, closure and post-closure obligations is based on our long-term credit adjusted risk free rate. Our discount rate was 5.50% for 2023 and ranged from 3.25% to 5.50% for 2022.
We intend to fund our planned 2023 capital expenditures principally through cash on hand, internally generated funds and borrowings under our Credit Agreement. In addition, we may make substantial additional capital expenditures in acquiring land and solid waste businesses.
We intend to fund our planned 2024 capital expenditures principally through cash on hand, internally generated funds and borrowings under our Credit Agreement. In addition, we may make substantial additional capital expenditures in acquiring land and solid waste businesses.
The New 2032 Senior Notes bear interest at a rate of 3.20%. 9) $750.0 million in principal payments due 2033 related to our 2033 Senior Notes. The 2033 Senior Notes bear interest at a rate of 4.20%. 70 Table of Contents 10) $500.0 million in principal payments due 2050 related to our 2050 Senior Notes.
The New 2032 Senior Notes bear interest at a rate of 3.20%. 71 Table of Contents 9) $750.0 million in principal payments due 2033 related to our 2033 Senior Notes. The 2033 Senior Notes bear interest at a rate of 4.20%. 10) $500.0 million in principal payments due 2050 related to our 2050 Senior Notes.
We assumed the Credit Agreement is paid off when it matures in July 2026. 2) We calculated cash interest payments on the Term Loan Agreement using the Term SOFR rate plus the applicable Term SOFR margin at December 31, 2022.
We assumed the Credit Agreement is paid off when it matures in July 2026. 2) We calculated cash interest payments on the Term Loan Agreement using the Term SOFR rate plus the applicable Term SOFR margin at December 31, 2023.
Selling, general and administrative, or SG&A, expense includes management, sales force, clerical and administrative employee compensation and benefits, legal, accounting and other professional services, acquisition expenses, bad debt expense and lease cost for our administrative offices. 57 Table of Contents Depreciation expense includes depreciation of equipment and fixed assets over their estimated useful lives using the straight-line method.
Selling, general and administrative, or SG&A, expense includes management, sales force, clerical and administrative employee compensation and benefits, legal, accounting and other professional services, acquisition expenses, bad debt expense and lease cost for our administrative offices. Depreciation expense includes depreciation of equipment and fixed assets over their estimated useful lives using the straight-line method.
Such critical accounting estimates and assumptions are applicable to our reportable segments. We believe that of our significant accounting policies, which are described in Note 3 of our consolidated financial statements included in Item 8 of this Annual Report on Form 10-K, the following accounting policies involve a greater degree of judgment and complexity.
Such critical accounting estimates and assumptions are applicable to our reportable segments. 53 Table of Contents We believe that of our significant accounting policies, which are described in Note 3 of our consolidated financial statements included in Item 8 of this Annual Report on Form 10-K, the following accounting policies involve a greater degree of judgment and complexity.
We repaid at maturity the 2021 Private Placement Notes and repaid the other Private Placement Notes in connection with the Offering (defined below) in September 2021. 68 Table of Contents On November 16, 2018, we completed an underwritten public offering of $500.0 million aggregate principal amount of our 4.25% Senior Notes due December 1, 2028 (the “2028 Senior Notes”).
We repaid at maturity the 2021 Private Placement Notes and repaid the other Private Placement Notes in connection with the Offering (defined below) in September 2021. On November 16, 2018, we completed an underwritten public offering of $500.0 million aggregate principal amount of our 4.25% Senior Notes due December 1, 2028 (the “2028 Senior Notes”).
The functional currency of the Company’s Canadian operations is the Canadian dollar. The reporting currency of the Company is the U.S. dollar. The Company’s consolidated Canadian dollar financial position is translated to U.S. dollars by applying the foreign currency exchange rate in effect at the consolidated balance sheet date.
The reporting currency of the Company is the U.S. dollar. The Company’s consolidated Canadian dollar financial position is translated to U.S. dollars by applying the foreign currency exchange rate in effect at the consolidated balance sheet date.
Accordingly, we believe these are the most critical to fully understand and evaluate our financial condition and results of operations. 53 Table of Contents Insurance liabilities . We maintain insurance policies for automobile, general, employer’s, environmental, cyber, employment practices and directors’ and officers’ liability as well as for employee group health insurance, property insurance and workers’ compensation.
Accordingly, we believe these are the most critical to fully understand and evaluate our financial condition and results of operations. Insurance liabilities . We maintain insurance policies for automobile, general, employer’s, environmental, cyber, employment practices and directors’ and officers’ liability as well as for employee group health insurance, property insurance and workers’ compensation.
Significant judgments 55 Table of Contents inherent in these analyses include the determination of appropriate discount rates, the amount and timing of expected future cash flows, growth rates and income tax rates. In assessing the reasonableness of our determined fair values of our reporting units, we evaluate our results against our current market capitalization.
Significant judgments inherent in these analyses include the determination of appropriate discount rates, the amount and timing of expected future cash flows, growth rates and income tax rates. In assessing the reasonableness of our determined fair values of our reporting units, we evaluate our results against our current market capitalization.
Presentation of Results of Operations, Segment Reporting, and Liquidity and Capital Resources The following discussion and analysis of our Results of Operations, Segment Reporting, and Liquidity and Capital Resources includes a comparison for the year ended December 31, 2022 to the year ended December 31, 2021.
Presentation of Results of Operations, Segment Reporting, and Liquidity and Capital Resources The following discussion and analysis of our Results of Operations, Segment Reporting, and Liquidity and Capital Resources includes a comparison for the year ended December 31, 2023 to the year ended December 31, 2022.
The fees received for collection services are based primarily on the market, collection frequency and level of service, route density, type and volume or weight of the waste collected, type of equipment and containers furnished, the distance to the disposal or processing facility, the cost of disposal or processing, and prices charged by competitors for similar services.
The fees we charge for collection services are based primarily on the market, collection frequency and level of service, route density, type and volume or weight of the waste collected, type of equipment and containers furnished, the distance to the disposal or processing facility, the cost of disposal or processing, and prices charged by competitors for similar services.
Significant changes in revenue, EBITDA and depreciation, depletion and amortization for our reportable segments for the year ended December 31, 2022, compared to the year ended December 31, 2021, are discussed below.
Significant changes in revenue, EBITDA and depreciation, depletion and amortization for our reportable segments for the year ended December 31, 2023, compared to the year ended December 31, 2022, are discussed below.
We define adjusted free cash flow as net cash provided by operating activities, plus or minus change in book overdraft, plus proceeds from disposal of assets, less capital expenditures for property and equipment and distributions to noncontrolling interests.
We calculate adjusted free cash flow as net cash provided by operating activities, plus or minus change in book overdraft, plus proceeds from disposal of assets, less capital expenditures for property and equipment and periodic distributions to noncontrolling interests.
The 2050 Senior Notes bear interest at a rate of 3.05%. 11) $850.0 million in principal payments due 2052 related to our 2052 Senior Notes. The 2052 Senior Notes bear interest at a rate of 2.95%. 12) $37.2 million in principal payments related to our notes payable to sellers and other third parties.
The 2050 Senior Notes bear interest at a rate of 3.05%. 11) $850.0 million in principal payments due 2052 related to our 2052 Senior Notes. The 2052 Senior Notes bear interest at a rate of 2.95%. 12) $48.8 million in principal payments related to our notes payable to sellers and other third parties.
(e) The aggregate tax effect of footnotes (a) through (d) is calculated based on the applied tax rates for the respective periods. 72 Table of Contents Adjusted EBITDA We present adjusted EBITDA, a non-GAAP financial measure, supplementally because it is widely used by investors as a performance and valuation measure in the solid waste industry.
(f) The aggregate tax effect of footnotes (a) through (e) is calculated based on the applied tax rates for the respective periods. 74 Table of Contents Adjusted EBITDA We present adjusted EBITDA, a non-GAAP financial measure, supplementally because it is widely used by investors as a performance and valuation measure in the solid waste industry.
We use a number of programs to reduce overall cost of operations, including increasing the use of automated routes to reduce labor and workers’ compensation exposure, utilizing comprehensive maintenance and health and safety programs, and increasing the use of transfer stations to further enhance internalization rates.
We use a number of programs to reduce overall cost of operations, including increasing the use of automated routes to reduce labor and workers’ compensation exposure, utilizing comprehensive maintenance and health and safety 57 Table of Contents programs, and increasing the use of transfer stations to further enhance internalization rates.
Amortization of intangibles expense as a percentage of revenues decreased 0.1 percentage points to 2.2% for the year ended December 31, 2022, from 2.3% for the year ended December 31, 2021. The decrease as a percentage of revenues was attributable to the impact of price-driven revenue increases in our solid waste services. Impairments and Other Operating Items .
Amortization of intangibles expense as a percentage of revenues decreased 0.2 percentage points to 2.0% for the year ended December 31, 2023, from 2.2% for the year ended December 31, 2022. The decrease as a percentage of revenues was attributable to the impact of price-driven revenue increases in our solid waste services. Impairments and Other Operating Items .
We further adjust this calculation to exclude the effects of items management believes impact the ability to assess the operating performance of our business. This measure is not a substitute for, and should be used in conjunction with, GAAP liquidity or financial measures. Other companies may calculate adjusted free cash flow differently.
We further adjust this calculation to exclude the effects of items management believes impact the ability to evaluate the liquidity of our business operations. This measure is not a substitute for, and should be used in conjunction with, GAAP liquidity or financial measures. Other companies may calculate adjusted free cash flow differently.
These include: ● Statements regarding our landfills, including capacity, duration, special projects, demand for and pricing of recyclables, landfill alternatives and related capital expenditures; ● Discussion of competition, loss of contracts, price increases and additional exclusive and/or long-term collection service arrangements; ● Forecasts of cash flows necessary for operations and free cash flow to reduce leverage as well as our ability to draw on our credit facility and access the capital markets to refinance or expand; ● Statements regarding our ability to access capital resources or credit markets at all or on favorable terms; ● Plans for, and the amount of, certain capital expenditures for our existing and newly acquired properties and equipment; ● Statements regarding fuel, oil and natural gas demand, prices, and price volatility; ● Assessments of regulatory developments and potential changes in environmental, health, safety and tax laws and regulations; and ● Other statements on a variety of topics such as the COVID-19 pandemic, inflation, credit risk of customers, seasonality, labor/pension costs and labor union activity, operational and safety risks, acquisitions, litigation results, goodwill impairments, insurance costs and cybersecurity threats.
These include: ● Statements regarding our landfills, including capacity, duration, special projects, demand for and pricing of recyclables, estimated closure and post-closure liabilities, landfill alternatives and related capital expenditures, operating expenses and leachate; ● Discussion of competition, loss of contracts, price increases and additional exclusive and/or long-term collection service arrangements; ● Forecasts of cash flows necessary for operations and free cash flow to reduce leverage as well as our ability to draw on our credit facility and access the capital markets to refinance or expand; ● Statements regarding our ability to access capital resources or credit markets; ● Plans for, and the amount of, certain capital expenditures for our existing and newly acquired properties and equipment; ● Statements regarding fuel, oil and natural gas demand, prices, and price volatility; ● Assessments of regulatory developments and potential changes in environmental, health, safety and tax laws and regulations; and ● Other statements on a variety of topics such as the COVID-19 pandemic, inflation, credit risk of customers, seasonality, labor/pension costs and labor union activity, employee retention costs, operational and safety risks, acquisitions, litigation developments and results, goodwill impairments, insurance costs and cybersecurity threats.
The timing and amounts of any repurchases pursuant to the NCIB will depend on many factors, including our capital structure, the market price of our common shares and overall market conditions. All common shares purchased under the NCIB will be immediately cancelled following their repurchase.
The timing and amounts of any repurchases pursuant to the NCIB will depend on many factors, including our capital structure, the market price of our common shares, any share buyback taxes applicable and overall market conditions. All common shares purchased under the NCIB will be immediately cancelled following their repurchase.
We accrue for estimated final capping, closure and post-closure maintenance obligations at the landfills we own, and the landfills that we operate, but do not own, under life-of-site agreements.
We accrue for estimated final capping, closure and post-closure maintenance obligations at the landfills we own, and the landfills that we operate, but do not own, under life-of-site 54 Table of Contents agreements.
Executive Overview We are an integrated solid waste services company that provides non-hazardous waste collection, transfer and disposal services, along with resource recovery primarily through recycling and renewable fuels generation, in mostly exclusive and secondary markets across 43 states in the U.S. and six provinces in Canada.
Executive Overview We are an integrated solid waste services company that provides non-hazardous waste collection, transfer and disposal services, including by rail, along with resource recovery primarily through recycling and renewable fuels generation, in mostly exclusive and secondary markets across 44 states in the U.S. and six provinces in Canada.
The income tax provision for the year ended December 31, 2021 included a benefit of $2.1 million from share-based payment awards being recognized in the income statement when settled, as well as a portion of our internal financing being taxed at effective rates substantially lower than the U.S. federal statutory rate.
The income tax provision for the year ended December 31, 2023 included a benefit of $3.5 million from share-based payment awards being recognized in the income statement when settled, as well as a portion of our internal financing being taxed at effective rates substantially lower than the U.S. federal statutory rate.
Our access to funds under the Credit Agreement is dependent on the ability of the banks that are parties to the agreement to meet their funding commitments.
Our access to funds under the Credit Agreement is dependent on 68 Table of Contents the ability of the banks that are parties to the agreement to meet their funding commitments.
Our notes payable to sellers and other third parties bear interest at rates between 2.42% and 10.35% at December 31, 2022, and have maturity dates ranging from 2024 to 2036. 13) $11.5 million in principal payments related to our financing leases.
Our notes payable to sellers and other third parties bear interest at rates between 2.42% and 10.35% at December 31, 2023, and have maturity dates ranging from 2024 to 2036. 13) $10.0 million in principal payments related to our financing leases.
At December 31, 2022, all amounts outstanding under the term loan were in Term SOFR loans which bear interest at the Term SOFR rate plus the applicable margin (for a total rate of 5.42% on such date). 3) $800.0 million in principal payments due July 2026 related to our term loan under our Term Loan Agreement.
At December 31, 2023, all amounts outstanding under the term loan were in Term SOFR loans which bear interest at the Term SOFR rate plus the applicable margin (for a total rate of 6.50% on such date). 3) $800.0 million in principal payments due July 2026 related to our term loan under our Term Loan Agreement.
At December 31, 2022, all amounts outstanding under the term loan were in Term SOFR loans which bear interest at the Term SOFR rate plus the applicable margin (for a total rate of 5.42% on such date). 4) $500.0 million in principal payments due 2028 related to our 2028 Senior Notes.
At December 31, 2023, all amounts outstanding under the term loan were in Term SOFR loans which bear interest at the Term SOFR rate plus the applicable margin (for a total rate of 6.44% on such date). 4) $500.0 million in principal payments due 2028 related to our 2028 Senior Notes.
We compare the fair value of each reporting unit with the carrying value of the net assets assigned to the reporting unit. If the fair value of a reporting unit is greater than the carrying value of the net assets, including goodwill, assigned to the reporting unit, then no impairment results.
If the fair value of a reporting unit is greater than the carrying value of the net assets, including goodwill, assigned to the reporting unit, then no impairment results.
SG&A expenses as a percentage of revenues decreased 0.3 percentage points to 9.7% for the year ended December 31, 2022, from 10.0% for the year ended December 31, 2021.
SG&A expenses as a percentage of revenues increased 0.3 percentage points to 10.0% for the year ended December 31, 2023, from 9.7% for the year ended December 31, 2022.
On July 26, 2022, our Board of Directors approved, subject to receipt of regulatory approvals, the annual renewal of our normal course issuer bid, or the NCIB, to purchase up to 12,859,066 of our common shares during the period of August 10, 2022 to August 9, 2023 or until such earlier time as the NCIB is completed or terminated at our option.
On July 25, 2023, our Board of Directors approved, subject to receipt of regulatory approvals, the annual renewal of our normal course issuer bid, or the NCIB, to purchase up to 12,881,534 of our common shares during the period of August 10, 2023 to August 9, 2024 or until such earlier time as the NCIB is completed or terminated at our option.
These purchase obligations are established in the ordinary course of our business and are designed to provide us with access to products at competitive, market-driven prices. At December 31, 2022, our unconditional purchase obligations consisted of multiple fixed-price fuel purchase contracts under which we have 57.9 million gallons remaining to be purchased for a total of $184.9 million.
These purchase obligations are established in the ordinary course of our business and are designed to provide us with access to products at competitive, market-driven prices. At December 31, 2023, our unconditional purchase obligations consisted of multiple fixed-price fuel purchase contracts under which we have 56.8 million gallons remaining to be purchased for a total of $175.7 million.
Cash balances decreased from $147.4 million at December 31, 2021 to $78.6 million at December 31, 2022, and we had $1.194 billion of remaining borrowing capacity under our Credit Agreement, which matures in July 2026. In total, we had $1.163 billion in prepayable debt outstanding at December 31, 2022.
Cash balances decreased from $78.6 million at December 31, 2022 to $78.4 million at December 31, 2023, and we had $1.357 billion of remaining borrowing capacity under our Credit Agreement, which matures in July 2026. In total, we had $1.103 billion in prepayable debt outstanding at December 31, 2023.
Contingent consideration payments include $81.4 million recorded as liabilities in our consolidated financial statements at December 31, 2022, and $17.4 million of future interest accretion on the recorded obligations. We are party to operating lease agreements and finance leases as discussed in Note 7 to the consolidated financial statements included in Item 8 of this Annual Report on Form 10-K.
Contingent consideration payments include $115.0 million recorded as liabilities in our consolidated financial statements at December 31, 2023, and $16.3 million of future interest accretion on the recorded obligations. We are party to operating lease agreements and finance leases as discussed in Note 7 to the consolidated financial statements included in Item 8 of this Annual Report on Form 10-K.
Our significant costs of operations in 2022 were labor, employee benefits, third-party disposal and transportation, vehicle, equipment and property maintenance, taxes and fees, insurance and fuel.
Our significant costs of operations in 2023 were labor, employee benefits, third-party disposal and transportation, vehicle, equipment and property maintenance, taxes and fees, risk management and fuel.
(b) Reflects the elimination of cash received in conjunction with the divestiture of certain operations. (c) Reflects the addback of acquisition-related transaction costs and the settlement of an acquired tax liability. (d) Reflects the cash settlement of pre-existing Progressive Waste share-based awards during the period.
(b) Reflects the elimination of cash received in conjunction with the divestiture of certain operations. (c) Reflects the addback of acquisition-related transaction costs and, in 2022, the settlement of an acquired tax liability. (d) Reflects the cash component of severance expense associated with an executive departure. (e) Reflects the cash settlement of pre-existing Progressive Waste share-based awards during the period.
The increase was the result of $37.7 million from intangible assets acquired in acquisitions closed during, or subsequent to, the year ended December 31, 2021, partially offset by a decrease of $20.5 million from certain intangible assets becoming fully amortized subsequent to December 31, 2021 and a decrease of $0.8 million resulting from a lower average foreign currency exchange rate in effect during the current period.
The increase was the result of $21.6 million from intangible assets acquired in acquisitions closed during, or subsequent to, the year ended December 31, 2022, partially offset by a decrease of $18.8 million from certain intangible assets becoming fully amortized subsequent to December 31, 2022, and a decrease of $0.9 million resulting from a lower average foreign currency exchange rate in effect during the current period.
Solid waste internal growth was positive 7.4%, due to higher price increases and higher surcharges, partially offset by lower volumes and lower recycled commodities. Pricing growth was 9.2%, with core pricing up 7.7%, plus materials and environmental surcharges of positive 1.5%.
Solid waste internal growth was up 6.2%, due to higher price increases, partially offset by lower surcharges, lower volumes and lower recycled commodities. Pricing growth was 9.0%, with core pricing up 9.5%, offset by materials and environmental surcharges of 0.5%.
Adjusted free cash flow, a non-GAAP financial measure (refer to page 72 of this Annual Report on Form 10-K for a definition and reconciliation to Net cash provided by operating activities), increased by $155 million to $1.165 billion in 2022, from $1.010 billion in 2021.
Adjusted free cash flow, a non-GAAP financial measure (refer to page 74 of this Annual Report on Form 10-K for a definition and reconciliation to Net cash provided by operating activities), increased by $59.3 million to $1.224 billion in 2023, from $1.165 billion in 2022.
The estimated final capping, closure and post-closure expenditures presented above are in current dollars. Amount of Commitment Expiration Per Period (amounts in thousands of U.S. dollars) Less Than 1 to 3 3 to 5 Over 5 Unrecorded Obligations (1) Total 1 Year Years Years Years Unconditional purchase obligations $ 184,918 $ 149,858 $ 35,060 $ — $ — (1) We are party to unconditional purchase obligations as discussed in Note 13 to the consolidated financial statements included in Item 8 of this Annual Report on Form 10-K.
The estimated final capping, closure and post-closure expenditures presented above are in current dollars. Amount of Commitment Expiration Per Period (amounts in thousands of U.S. dollars) Less Than 1 to 3 3 to 5 Over 5 Unrecorded Obligations (1) Total 1 Year Years Years Years Unconditional purchase obligations $ 175,743 $ 139,459 $ 34,576 $ 1,242 $ 466 (1) We are party to unconditional purchase obligations as discussed in Note 13 to the consolidated financial statements included in Item 8 of this Annual Report on Form 10-K.
Operating Results Revenues in 2022 increased 17.2% to $7.212 billion from $6.151 billion in 2021. Acquisitions closed during, or subsequent to, the prior year, net of divestitures, accounted for $552.0 million in incremental revenues in 2022. Excluding the impact of such acquisitions, revenues increased 8.3% due predominantly to higher internal growth in solid waste.
Operating Results Revenues in 2023 increased 11.2% to $8.022 billion from $7.212 billion in 2022. Acquisitions closed during, or subsequent to the prior year, net of divestitures, accounted for $407.3 million in incremental revenues in 2023. Excluding the impact of such acquisitions, revenues increased 5.6% due predominantly to higher internal growth in solid waste.
In 2022, adjusted earnings before interest, taxes, depreciation and amortization, or adjusted EBITDA, a non-GAAP financial measure (refer to page 73 of this Annual Report on Form 10-K for a definition and reconciliation to Net income attributable to Waste Connections), increased 15.7% to $2.221 billion, from $1.919 billion in 2021.
In 2023, adjusted earnings before interest, taxes, depreciation and amortization, or adjusted EBITDA, a non-GAAP financial measure (refer to page 75 of this Annual Report on Form 10-K for a definition and reconciliation to Net income attributable to Waste Connections), increased 13.6% to $2.523 billion, from $2.221 billion in 2022.
The increase was primarily the result of $369.4 million of additional operating costs from acquisitions closed during, or subsequent to, the year ended December 31, 2021 and an increase in operating costs at our existing operations of $337.8 million, assuming foreign currency parity, partially offset by a decrease in operating costs of $16.9 million resulting from a lower average foreign currency exchange rate in effect during the current period and a decrease of $8.4 million from operations divested subsequent to the year ended December 31, 2021.
The increase was primarily the result of $241.0 million of additional operating costs from acquisitions closed during, or subsequent to, the year ended December 31, 2022, and an increase in operating costs at our existing operations of $187.1 million, assuming foreign currency parity, partially offset by a decrease in operating costs of $17.7 million resulting from a lower average foreign currency exchange rate in effect during the current period and a decrease of $1.9 million from operations divested during, or subsequent to, the year ended December 31, 2022.
Cost of operations as a percentage of revenues increased 0.7 percentage points to 60.1% for the year ended December 31, 2022, from 59.4% for the year ended December 31, 2021.
Cost of operations as a percentage of revenues decreased 1.0 percentage points to 59.1% for the year ended December 31, 2023, from 60.1% for the year ended December 31, 2022.
The increase was comprised of an increase of $45.8 million, assuming foreign currency parity, at our existing operations and $42.3 million from acquisitions closed during, or subsequent to, the year ended December 31, 2021, partially offset by a decrease of $2.8 million resulting from a lower average foreign currency exchange rate in effect during the current period and a decrease of $1.1 million from operations divested subsequent to the year ended December 31, 2021.
The increase was comprised of an increase of $76.6 million, assuming foreign currency parity, at our existing operations and $28.9 million from acquisitions closed during, or subsequent to, the year ended December 31, 2022, partially offset by a decrease of $2.9 million resulting from a lower average foreign currency exchange rate in effect during the current period.
Advances are available under the Credit Agreement in U.S. dollars and Canadian dollars and bear interest at fluctuating rates (See Note 11). At December 31, 2022, $391.0 million of the outstanding borrowings drawn under the revolving credit facility were in U.S. Term SOFR rate loans, bearing interest at a total rate of 5.42% on such date.
Advances are available under the Credit Agreement in U.S. dollars and Canadian dollars and bear interest at fluctuating rates (See Note 11). At December 31, 2023, $240.0 million of the outstanding borrowings drawn under the revolving credit facility were in U.S. Term SOFR rate loans, bearing interest at a total rate ranging from 6.46% to 6.50% on such date.
Operations that were divested in 2022 and the full year impact of operations that were divested in 2021, decreased revenues by $11.1 million for the year ended December 31, 2022.
Operations that were divested in 2023 and the full year impact of operations that were divested in 2022, decreased revenues by $3.6 million for the year ended December 31, 2023.
We used substantially all of the proceeds of borrowings under the Term Loan Agreement to repay revolving borrowings under the Credit Agreement. Amounts borrowed under the Term Loan Agreement and repaid or prepaid may not be reborrowed.
We used substantially all of the proceeds of borrowings under the Term Loan Agreement to repay revolving borrowings under the Credit Agreement. Amounts borrowed under the Term Loan Agreement and repaid or prepaid may not be reborrowed. The Term Loan Agreement has a scheduled maturity date of July 30, 2026.
Our adjusted free cash flow for the years ended December 31, 2022, 2021 and 2020, are calculated as follows (amounts in thousands of U.S. dollars): Years Ended December 31, 2022 2021 2020 Net cash provided by operating activities $ 2,022,492 $ 1,698,229 $ 1,408,521 Plus (less): Change in book overdraft (1,076) (367) 1,096 Plus: Proceeds from disposal of assets 30,676 42,768 19,084 Less: Capital expenditures for property and equipment (912,677) (744,315) (597,053) Adjustments: Payment of contingent consideration recorded in earnings (a) 2,982 520 10,371 Cash received for divestitures (b) (5,671) (17,118) (10,673) Transaction-related expenses (c) 30,825 30,771 9,803 Pre-existing Progressive Waste share-based grants (d) 286 397 5,770 Tax effect (e) (2,993) (1,287) (5,021) Adjusted free cash flow $ 1,164,844 $ 1,009,598 $ 841,898 (a) Reflects the addback of acquisition-related payments for contingent consideration that were recorded as expenses in earnings and as a component of cash flows from operating activities as the amounts paid exceeded the fair value of the contingent consideration recorded at the acquisition date.
Our adjusted free cash flow for the years ended December 31, 2023, 2022 and 2021, are calculated as follows (amounts in thousands of U.S. dollars): Years Ended December 31, 2023 2022 2021 Net cash provided by operating activities $ 2,126,817 $ 2,022,492 $ 1,698,229 Less: Change in book overdraft (790) (1,076) (367) Plus: Proceeds from disposal of assets 31,581 30,676 42,768 Less: Capital expenditures for property and equipment (934,000) (912,677) (744,315) Adjustments: Payment of contingent consideration recorded in earnings (a) — 2,982 520 Cash received for divestitures (b) (6,194) (5,671) (17,118) Transaction-related expenses (c) 5,519 30,825 30,771 Executive separation costs (d) 1,686 — — Pre-existing Progressive Waste share-based grants (e) 1,285 286 397 Tax effect (f) (1,772) (2,993) (1,287) Adjusted free cash flow $ 1,224,132 $ 1,164,844 $ 1,009,598 (a) Reflects the addback of acquisition-related payments for contingent consideration that were recorded as expenses in earnings and as a component of cash flows from operating activities as the amounts paid exceeded the fair value of the contingent consideration recorded at the acquisition date.
At December 31, 2022, $223.7 million of the outstanding borrowings drawn under the revolving credit facility were in Canadian-based bankers’ acceptances, bearing interest at a total rate of 5.74% on such date. 2) $650.0 million in principal payments due July 2026 related to our term loan under our Credit Agreement.
At December 31, 2023, $170.1 million of the outstanding borrowings drawn under the revolving credit facility were in Canadian-based bankers’ acceptances, bearing interest at a total rate ranging from 6.40% to 6.46% on such date. 2) $650.0 million in principal payments due July 2026 related to our term loan under our Credit Agreement.
Financing Activities Cash Flows Net cash provided by financing activities increased $1.528 billion to $1.028 billion for the year ended December 31, 2022, from net cash used in financing activities of $499.5 million for the year ended December 31, 2021.
Financing Activities Cash Flows Net cash used in financing activities increased $1.573 billion to $544.4 million for the year ended December 31, 2023, from net cash provided by financing activities of $1.028 billion for the year ended December 31, 2022.
Interest is accreted on the recorded liability using the corresponding discount rate. The accounting methods discussed below require us to make certain estimates and assumptions. Changes to these estimates and assumptions, including as a result of inflation, could have a material effect on our financial condition and results of operations. Any changes to our estimates are applied prospectively.
The accounting methods discussed below require us to make certain estimates and assumptions. Changes to these estimates and assumptions, including as a result of inflation, could have a material effect on our financial condition and results of operations. Any changes to our estimates are applied prospectively. Landfill development costs .
The following table disaggregates our revenue by service line for the periods indicated (in thousands of U.S. dollars). Years Ended December 31, 2022 2021 2020 Commercial $ 2,176,295 $ 1,813,426 $ 1,610,313 Residential 1,891,108 1,673,819 1,528,217 Industrial and construction roll off 1,183,624 954,181 833,148 Total collection 5,251,027 4,441,426 3,971,678 Landfill 1,328,942 1,233,499 1,146,732 Transfer 1,026,050 859,113 777,754 Recycling 204,876 205,076 86,389 E&P 210,562 138,707 159,438 Intermodal and other 188,471 152,194 118,396 Intercompany (998,069) (878,654) (814,397) Total $ 7,211,859 $ 6,151,361 $ 5,445,990 Cost of operations includes labor and benefits, tipping fees paid to third-party disposal facilities, vehicle and equipment maintenance, workers’ compensation, vehicle and equipment insurance, insurance and employee group health claims expense, third-party transportation expense, fuel, the cost of materials we purchase for recycling, district and state taxes and host community fees and royalties.
The following table disaggregates our revenue by service line for the periods indicated (in thousands of U.S. dollars). Years Ended December 31, 2023 2022 2021 Commercial $ 2,476,891 $ 2,176,295 $ 1,813,426 Residential 2,125,068 1,891,108 1,673,819 Industrial and construction roll off 1,333,020 1,183,624 954,181 Total collection 5,934,979 5,251,027 4,441,426 Landfill 1,483,397 1,328,942 1,233,499 Transfer 1,198,385 1,026,050 859,113 Recycling 147,039 204,876 205,076 E&P 232,211 210,562 138,707 Intermodal and other 171,721 188,471 152,194 Intercompany (1,145,781) (998,069) (878,654) Total $ 8,021,951 $ 7,211,859 $ 6,151,361 Cost of operations includes labor and benefits, tipping fees paid to third-party disposal facilities, vehicle and equipment maintenance, workers’ compensation, vehicle and equipment insurance, insurance and employee group health claims expense, third-party transportation expense, fuel, the cost of materials we purchase for recycling, district and state taxes and host community fees and royalties.
On March 13, 2020, we completed an underwritten public offering of $500.0 million aggregate principal amount of 3.05% Senior Notes due April 1, 2050 (the “2050 Senior Notes”). The 2050 Senior Notes were issued under the Indenture, as supplemented through the Fourth Supplemental Indenture, dated as of March 13, 2020.
On March 13, 2020, we completed an underwritten public offering of $500.0 million aggregate principal amount of 3.05% Senior Notes due April 1, 2050 (the “2050 Senior Notes”).
Examples of such events or circumstances include, but are not limited to, the following: ● a significant adverse change in legal factors or in the business climate; ● an adverse action or assessment by a regulator; ● a more likely than not expectation that a segment or a significant portion thereof will be sold; ● the testing for recoverability of a significant asset group within a segment; or ● current period or expected future operating cash flow losses.
Examples of such events or circumstances include, but are not limited to, the following: ● a significant adverse change in legal factors or in the business climate; ● an adverse action or assessment by a regulator; ● a more likely than not expectation that a segment or a significant portion thereof will be sold; ● the testing for recoverability of a significant asset group within a segment; or ● current period or expected future operating cash flow losses. 55 Table of Contents As part of our goodwill impairment test, we estimate the fair value of each of our reporting units using discounted cash flow analyses.
As of December 31, 2022, $650.0 million under the term loan and $614.7 million under the revolving credit facility were outstanding under the Credit Agreement, exclusive of outstanding standby letters of credit of $41.8 million. We also had $85.3 million of letters of credit issued and outstanding at December 31, 2022 under a facility other than the Credit Agreement.
As of December 31, 2023, $650.0 million under the term loan and $453.2 million under the revolving credit facility were outstanding under the Credit Agreement, exclusive of outstanding standby letters of credit of $39.7 million. We also had $102.2 million of letters of credit issued and outstanding at December 31, 2023 under a facility other than the Credit Agreement.
Our adjusted EBITDA for the years ended December 31, 2022, 2021 and 2020, are calculated as follows (amounts in thousands of U.S. dollars): Years Ended December 31, 2022 2021 2020 Net income attributable to Waste Connections $ 835,662 $ 618,047 $ 204,677 Plus (less): Net income (loss) attributable to noncontrolling interests 339 442 (685) Plus: Income tax provision 212,962 152,253 49,922 Plus: Interest expense 202,331 162,796 162,375 Less: Interest income (5,950) (2,916) (5,253) Plus: Depreciation and amortization 918,960 813,009 752,404 Plus: Closure and post-closure accretion 16,253 14,497 15,095 Plus: Impairments and other operating items 18,230 32,316 466,718 Plus (less): Other expense (income), net (3,154) (6,285) 1,392 Plus: Loss on early extinguishment of debt — 115,288 — Adjustments: Plus: Transaction-related expenses (a) 24,933 11,318 9,803 Plus: Fair value changes to equity awards (b) 86 8,393 5,536 Adjusted EBITDA $ 2,220,652 $ 1,919,158 $ 1,661,984 (a) Reflects the addback of acquisition-related transaction costs.
Our adjusted EBITDA for the years ended December 31, 2023, 2022 and 2021, are calculated as follows (amounts in thousands of U.S. dollars): Years Ended December 31, 2023 2022 2021 Net income attributable to Waste Connections $ 762,800 $ 835,662 $ 618,047 Plus: Net income attributable to noncontrolling interests 26 339 442 Plus: Income tax provision 220,675 212,962 152,253 Plus: Interest expense 274,642 202,331 162,796 Less: Interest income (9,350) (5,950) (2,916) Plus: Depreciation and amortization 1,003,211 918,960 813,009 Plus: Closure and post-closure accretion 19,605 16,253 14,497 Plus: Impairments and other operating items 238,796 18,230 32,316 Less: Other income, net (12,481) (3,154) (6,285) Plus: Loss on early extinguishment of debt — — 115,288 Adjustments: Plus: Transaction-related expenses (a) 10,653 24,933 11,318 Plus (less): Fair value changes to equity awards (b) (1,726) 86 8,393 Plus: Executive separation costs (c) 16,105 — — Adjusted EBITDA $ 2,522,956 $ 2,220,652 $ 1,919,158 (a) Reflects the addback of acquisition-related transaction costs.
Our adjusted net income attributable to Waste Connections and adjusted net income per diluted share attributable to Waste Connections for the years ended December 31, 2022, 2021 and 2020, are calculated as follows (amounts in thousands of U.S. dollars, except per share amounts): Years Ended December 31, 2022 2021 2020 Reported net income attributable to Waste Connections $ 835,662 $ 618,047 $ 204,677 Adjustments: Amortization of intangibles (a) 155,675 139,279 131,302 Impairments and other operating items (b) 18,230 32,316 466,718 Transaction-related expenses (c) 24,933 11,318 9,803 Fair value changes to equity awards (d) 86 8,393 5,536 Loss on early extinguishment of debt (e) — 115,288 — Tax effect (f) (49,312) (78,041) (153,758) Tax items (g) — — 31,508 Adjusted net income attributable to Waste Connections $ 985,274 $ 846,600 $ 695,786 Diluted earnings per common share attributable to Waste Connections’ common shareholders: Reported net income $ 3.24 $ 2.36 $ 0.78 Adjusted net income $ 3.82 $ 3.23 $ 2.64 (a) Reflects the elimination of the non-cash amortization of acquisition-related intangible assets.
Our adjusted net income attributable to Waste Connections and adjusted net income per diluted share attributable to Waste Connections for the years ended December 31, 2023, 2022 and 2021, are calculated as follows (amounts in thousands of U.S. dollars, except per share amounts): Years Ended December 31, 2023 2022 2021 Reported net income attributable to Waste Connections $ 762,800 $ 835,662 $ 618,047 Adjustments: Amortization of intangibles (a) 157,573 155,675 139,279 Impairments and other operating items (b) 238,796 18,230 32,316 Transaction-related expenses (c) 10,653 24,933 11,318 Fair value changes to equity awards (d) (1,726) 86 8,393 Loss on early extinguishment of debt (e) — — 115,288 Executive separation costs (f) 16,105 — — Tax effect (g) (102,948) (49,312) (78,041) Adjusted net income attributable to Waste Connections $ 1,081,253 $ 985,274 $ 846,600 Diluted earnings per common share attributable to Waste Connections’ common shareholders: Reported net income $ 2.95 $ 3.24 $ 2.36 Adjusted net income $ 4.19 $ 3.82 $ 3.23 (a) Reflects the elimination of the non-cash amortization of acquisition-related intangible assets.
The increase in operating income as a percentage of revenues was comprised of a 0.3 percentage point decrease in impairments and other operating items, a 0.3 percentage point decrease in depreciation expense, a 0.3 percentage point decrease in SG&A expense and a 0.1 percentage point decrease in amortization expense, partially offset by a 0.7 percentage point increase in cost of operations.
The decrease as a percentage of revenues was comprised of a 2.8 percentage point increase in impairments and other operating items and a 0.3 percentage point increase in SG&A 61 Table of Contents expenses, partially offset by a 1.0 percentage point decrease in our costs of operations, a 0.2 percentage point decrease in amortization expense and a 0.1 percentage point decrease in depreciation expense.
Investing Activities Cash Flows Net cash used in investing activities increased $1.394 billion to $3.087 billion for the year ended December 31, 2022, from $1.693 billion for the year ended December 31, 2021.
Investing Activities Cash Flows Net cash used in investing activities decreased $1.506 billion to $1.581 billion for the year ended December 31, 2023, from $3.087 billion for the year ended December 31, 2022.
Our financing leases bear interest at rates between 1.89% and 2.16% at December 31, 2022, and have expiration dates ranging from 2026 to 2027.
Our financing leases bear interest at rates between 1.89% and 5.07% at December 31, 2023, and have expiration dates ranging from 2026 to 2029.
The increase for the year ended December 31, 2022 was due primarily to increases in operating expenses during the period which remained as outstanding obligations at December 31, 2022, the timing of processing year-end payments to vendors for capital expenditures and increased accrued interest due to the timing of interest payments for our senior unsecured notes issued subsequent to December 31, 2021, partially offset by the payment of deferred payroll taxes.
The increase for the year ended December 31, 2022 was due primarily to increases in operating expenses during the period which remained as outstanding obligations at December 31, 2022, the timing of processing year-end payments to vendors for capital expenditures and increased accrued interest due to the timing of interest payments for our senior unsecured notes issued subsequent to December 31, 2021, partially offset by the payment of deferred payroll taxes. 5) Deferred income taxes — Our increase in net cash provided by operating activities was unfavorably impacted by $87.2 million from deferred income taxes as changes in deferred income taxes resulted in an increase to operating cash flows of $6.3 million for the year ended December 31, 2023, compared to an increase to operating cash flows of $93.5 million for the year ended December 31, 2022.
As a percentage of revenue, adjusted EBITDA decreased from 31.2% in 2021, to 30.8% in 2022.
As a percentage of revenue, adjusted EBITDA increased from 30.8% in 2022, to 31.5% in 2023.
Income taxes increased $60.7 million, to $213.0 million for the year ended December 31, 2022, from $152.3 million for the year ended December 31, 2021. Our effective tax rate for the year ended December 31, 2022 was 20.3%. Our effective tax rate for the year ended December 31, 2021 was 19.8%.
Income Tax Provision . Income taxes increased $7.7 million, to $220.7 million for the year ended December 31, 2023, from $213.0 million for the year ended December 31, 2022. Our effective tax rate for the year ended December 31, 2023 was 22.4%. Our effective tax rate for the year ended December 31, 2022 was 20.3%.
Interest Income . Interest income increased $3.1 million to $6.0 million for the year ended December 31, 2022, from $2.9 million for the year ended December 31, 2021. The increase was primarily attributable to higher reinvestment rates, partially offset by lower average cash balances in the current period. Other Income, Net .
Interest Income . Interest income increased $3.4 million to $9.4 million for the year ended December 31, 2023, from $6.0 million for the year ended December 31, 2022. The increase was primarily attributable to higher average investment rates in the current period. Other Income, Net .
The decrease for the years ended December 31, 2022 and 2021 was due to increases in revenues, which remained as outstanding receivables at year end. 7) Other long-term liabilities – Our increase in net cash provided by operating activities was unfavorably impacted by $14.7 million from other long-term liabilities as changes in other long-term liabilities resulted in a decrease to operating cash flows of $14.0 million for the year ended December 31, 2022, compared to an increase to operating cash flows of $0.7 million for the year ended December 31, 2021.
The decreases for the years ended December 31, 2023 and 2022 were due to increases in revenue, which remained as outstanding receivables at the end of the period. 3) Prepaid expenses — Our increase in net cash provided by operating activities was favorably impacted by $11.0 million from prepaid expenses as changes in prepaid expenses resulted in an increase to operating cash flows of $10.3 million for the year ended December 31, 2023, compared to a decrease to operating cash flows of $0.7 million for the year ended December 31, 2022.