Biggest changeAdjusted operating income Year Ended December 31, 2023 (In thousands) Americas International Corporate Consolidated Net sales $ 1,235,594 $ 552,053 $ — $ 1,787,647 GAAP operating income 231,320 Restructuring charges (Note 3) 9,892 Currency exchange losses, net 17,079 Loss on divestiture of MSA LLC (Note 20) 129,211 Product liability expense (Note 20) 3 Amortization of acquisition-related intangible assets 9,246 Transaction costs (a) 965 Adjusted operating income (loss) 359,617 89,699 (51,600) 397,716 Adjusted operating margin % 29.1 % 16.2 % Depreciation and amortization 36,979 13,705 843 51,527 Adjusted EBITDA 396,596 103,404 (50,757) 449,243 Adjusted EBITDA % 32.1 % 18.7 % (a) Transaction costs include advisory, legal, accounting, valuation, and other professional or consulting fees incurred during acquisitions and divestitures.
Biggest changeA reconciliation of total adjusted EBITDA and total adjusted operating income from reportable segments to net income is presented in the following table: Year ended December 31, (In thousands) 2024 2023 Adjusted EBITDA $ 469,431 $ 449,243 Less: Depreciation and amortization 55,159 51,527 Adjusted operating income $ 414,272 $ 397,716 Less: Currency exchange losses, net 3,638 17,079 Amortization of acquisition-related intangible assets 9,174 9,246 Restructuring charges (Note 4) 6,397 9,892 Net cost for product-related legal matter 5,000 — Transaction costs (a) 886 965 Loss on divestiture of MSA LLC (Note 20) — 129,211 Product liability expense (Note 20) — 3 GAAP operating income $ 389,177 $ 231,320 Less: Interest expense 36,889 46,733 Other income, net (Note 16) (22,718) (22,101) Income before income taxes 375,006 206,688 Provision for income taxes (Note 11) 90,039 148,105 Net income $ 284,967 $ 58,583 (a) Transaction costs include advisory, legal, accounting, valuation, and other professional or consulting fees incurred during our evaluation of acquisitions and divestitures.
On January 5, 2023, the Company divested Mine Safety Appliances LLC ("MSA LLC") a wholly owned subsidiary that held legacy product liability claims relating to coal dust, asbestos, silica, and other exposures, to a joint venture between R&Q Insurance Holdings Ltd. and Obra Capital, Inc.
On January 5, 2023, the Company divested Mine Safety Appliances Company, LLC ("MSA LLC") a wholly owned subsidiary that held legacy product liability claims relating to coal dust, asbestos, silica, and other exposures, to a joint venture between R&Q Insurance Holdings Ltd. and Obra Capital, Inc.
Certain global expenses are allocated to each segment in a manner consistent with where the benefits from the expenses are derived. Please refer to Note 8—Segment Information of the consolidated financial statements in Part II Item 8 of this Form 10-K for further information.
Certain global expenses are allocated to each segment in a manner consistent with where the benefits from the expenses are derived. Please refer to Note 9—Segment Information of the consolidated financial statements in Part II Item 8 of this Form 10-K for further information.
Our actual results could differ materially from the results contemplated by these forward-looking statements due to a number of factors, including those discussed in the sections of this annual report entitled “Forward-Looking Statements” and “Risk Factors.” This section generally discusses the results of our operations for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Our actual results could differ materially from the results contemplated by these forward-looking statements due to a number of factors, including those discussed in the sections of this annual report entitled “Forward-Looking Statements” and “Risk Factors.” This section generally discusses the results of our operations for the year ended December 31, 2024, compared to the year ended December 31, 2023.
All goodwill is assigned to and evaluated for impairment at the reporting unit level, which is defined as an operating segment or one level below an operating segment. The evaluation of impairment involves using either a qualitative or quantitative approach as outlined in Accounting Standards Codification ("ASC") Topic 350. In 2023, we performed a quantitative test at October 1, 2023.
All goodwill is assigned to and evaluated for impairment at the reporting unit level, which is defined as an operating segment or one level below an operating segment. The evaluation of impairment involves using either a qualitative or quantitative approach as outlined in Accounting Standards Codification ("ASC") Topic 350. In 2024, we performed a quantitative test at October 1, 2024.
For a discussion on the year ended December 31, 2022 compared to the year ended December 31, 2021, please refer to Part II, Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2022 filed with the Securities and Exchange Commission on February 16, 2023.
For a discussion on the year ended December 31, 2023, compared to the year ended December 31, 2022, please refer to Part II, Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2023, filed with the Securities and Exchange Commission on February 16, 2024.
R&Q and Obra have assumed management of the divested subsidiary, including the management of its claims. Refer to Note 20—Contingencies of the consolidated financial statements in Part II Item 8 of this Form 10-K for further information. 26 Table of Contents BUSINESS OVERVIEW MSA is the global leader in advanced safety products, technology and solutions.
Following completion of the transaction, R&Q and Obra assumed management of the divested subsidiary, including the management of its claims. Refer to Note 20—Contingencies of the consolidated financial statements in Part II Item 8 of this Form 10-K for further information. 26 Table of Contents BUSINESS OVERVIEW MSA is the global leader in advanced safety products, technology and solutions.
At October 1, 2023, based on our quantitative test, the fair values of each of our reporting units exceeded their respective carrying value by at least 76%. The intangible asset with an indefinite life is also subject to impairment testing on October 1 st of each year, or more frequently if indicators of impairment exist.
At October 1, 2024, based on our quantitative test, the fair values of each of our reporting units exceeded their respective carrying value by at least 70%. The intangible asset with an indefinite life is also subject to impairment testing on October 1 st of each year, or more frequently if indicators of impairment exist.
These letters of credit serve to cover customer requirements in connection with certain sales orders and insurance companies. The Company is also required to provide cash collateral in connection with certain arrangements. At December 31, 2023, the Company has $2.0 million of restricted cash in support of these arrangements.
These letters of credit serve to cover customer requirements in connection with certain sales orders and insurance companies. The Company is also required to provide cash collateral in connection with certain arrangements. At December 31, 2024, the Company has $0.5 million of restricted cash in support of these arrangements.
We remain committed to evaluating additional acquisition opportunities that will allow us to continue to grow in key end markets and geographies. Financing activities. Financing activities used cash of $52.3 million for the year ended December 31, 2023, compared to using cash of $113.4 million in 2022.
We remain committed to evaluating acquisition opportunities that will allow us to continue to grow in key end markets and geographies. Financing activities. Financing activities used cash of $208.7 million for the year ended December 31, 2024, compared to using cash of $52.3 million in 2023.
At December 31, 2023, approximately 83% of our borrowings are denominated in US dollars, which limits our exposure to currency exchange rate fluctuations.
At December 31, 2024, approximately 89% of our borrowings are denominated in US dollars, which limits our exposure to currency exchange rate fluctuations.
The decreased operating cash flow as compared to the same period in 2022 was primarily related to the contribution of $341.2 million in the divestiture of MSA LLC. Refer to Note 20—Contingencies to the consolidated financial statements in Part II Item 8 of this Form 10-K for further information.
The improved cash flow from operating activities as compared to the same period in 2023 was primarily related to the prior year contribution of $341.2 million in the divestiture of MSA LLC. Refer to Note 20—Contingencies to the consolidated financial statements in Part II Item 8 of this Form 10-K for further information.
Pensions and other post-retirement benefits. We sponsor certain pension and other post-retirement benefit plans. Accounting for the net periodic benefit costs and credits for these plans requires us to estimate the cost of benefits to be provided well into the future and to attribute these costs over the expected work life of the employees participating in these plans.
Accounting for the net periodic benefit costs and credits for these plans requires us to estimate the cost of benefits to be provided well into the future and to attribute these costs over the expected work life of the employees participating in these plans.
Total spend on both software development and research and development activities was $80.1 million and $65.7 million during the years ended December 31, 2023 and 2022. Restructuring charges.
Total spend on both software development and research and development activities was $79.5 million and $80.1 million during the years ended December 31, 2024, and 2023. Restructuring charges.
We expect to make net contributions of $5.0 million to our pension plans in 2024 which are primarily associated with our International segment. We have not been required to make contributions to our U.S. based qualified defined benefit pension plan in many years.
We expect to make net contributions between $6 million and $8 million to our pension plans in 2025, which are primarily associated with our International segment. We have not been required to make contributions to our U.S. based qualified defined benefit pension plan in many years.
The discount rate assumptions used in determining projected benefit obligations for our U.S. and foreign plans were based on the spot rate method at December 31, 2023. Expected returns on plan assets are based on capital market expectations by asset class. The following table summarizes the impact of changes in significant actuarial assumptions on our December 31, 2023 actuarial valuations.
The discount rate assumptions used in determining projected benefit obligations for our U.S. and foreign plans were based on the spot rate method at December 31, 2024. Expected returns on plan assets are based on capital market expectations by asset class.
Adjusted operating income (loss) is reconciled above to the nearest GAAP financial measure, Operating income (loss), and excludes restructuring, currency exchange, product liability expense, loss on divestiture of MSA LLC, transaction costs and acquisition-related amortization. Adjusted EBITDA is reconciled above to the nearest GAAP financial measure, Operating income (loss) and excludes depreciation and amortization expense.
Total reportable segment adjusted operating income is reconciled above to the nearest GAAP financial measure, operating income, and excludes restructuring, currency exchange, product liability expense, loss on divestiture of MSA LLC, net cost for product related legal matter, transaction costs and acquisition-related amortization.
We expect total interest expense for 2024 to be approximately $40 million. 33 Table of Contents The Company had outstanding bank guarantees and standby letters of credit with banks as of December 31, 2023 totaling $9.1 million, of which $1.1 million relate to the senior revolving credit facility.
We expect total interest expense for 2025 to be in the range of $24 million to $27 million. The Company had outstanding bank guarantees and standby letters of credit with banks as of December 31, 2024 totaling $9.5 million, of which $1.5 million relate to the senior revolving credit facility.
Our significant cash obligations as of December 31, 2023, are as follows: (In millions) Total 2024 2025 2026 2027 2028 Thereafter Long-term debt $ 604.3 $ 26.5 $ 32.8 $ 256.1 $ 32.8 $ 32.8 $ 223.3 Operating leases 63.9 11.1 9.5 7.9 6.4 5.5 23.5 Inventory costing method change tax 5.3 2.7 2.6 — — — — Transition tax 1.3 1.3 — — — — — Totals $ 674.8 $ 41.6 $ 44.9 $ 264.0 $ 39.2 $ 38.3 $ 246.8 The significant obligations table does not include obligations to taxing authorities due to uncertainty surrounding the ultimate settlement of amounts and timing of these obligations.
Our significant cash obligations as of December 31, 2024, are as follows: (In millions) Total 2025 2026 2027 2028 2029 Thereafter Long-term debt $ 509.6 $ 26.4 $ 195.1 $ 32.6 $ 32.6 $ 7.6 $ 215.3 Operating leases 67.7 13.3 11.2 8.5 6.5 5.1 23.1 Inventory costing method change tax 2.6 2.6 — — — — — Totals $ 579.9 $ 42.3 $ 206.3 $ 41.1 $ 39.1 $ 12.7 $ 238.4 The significant obligations table does not include obligations to taxing authorities due to uncertainty surrounding the ultimate settlement of amounts and timing of these obligations.
At December 31, 2023, the Company had cash and cash equivalents, including restricted cash, totaling $148.4 million, and access to sufficient capital, providing ample liquidity and flexibility to continue to maintain our balanced capital allocation strategy that prioritizes growth investments, funding our dividends and servicing debt obligations.
At December 31, 2024, the Company had cash and cash equivalents totaling $164.6 million and access to sufficient capital, providing ample liquidity and flexibility to continue to maintain our balanced capital allocation strategy that prioritizes growth investments, funding our dividends and servicing debt obligations. Cash, cash equivalents and restricted cash increased $16.7 million during the year ended December 31, 2024.
Net sales for the International segment were $552.1 million for the year ended December 31, 2023, an increase of $67.4 million, or 13.9%, compared to $484.7 million for the year ended December 31, 2022. Constant currency sales in the International segment increased 13.2% compared to the prior year period.
Net sales for the International segment were $561.5 million for the year ended December 31, 2024, an increase of $9.4 million, or 1.7%, compared to $552.1 million for the year ended December 31, 2023. Organic sales in the International segment increased 1.5% compared to the prior year period.
Operations in other International segment countries focus primarily on sales and distribution in their respective home country markets. Although some of these companies may perform limited production, most of their sales are of products manufactured in our plants in Germany, France, the U.S., U.K., Ireland, Morocco and China or are purchased from third-party vendors. Corporate .
Although some of these companies may perform limited production, most of their sales are of products manufactured in our plants in Germany, France, the U.S., U.K., Ireland, Mexico, Morocco and China or are purchased from third-party vendors. Corporate .
Amortization expense for capitalized software development cost of $10.4 million and $7.9 million during the years ended December 31, 2023 and 2022, was recorded in costs of products sold on the Consolidated Statements of Income.
We capitalized $13.0 million and $12.1 million of software development costs during the years ended December 31, 2024, and 2023, respectively. Amortization expense for capitalized software development cost of $11.3 million and $10.4 million during the years ended December 31, 2024, and 2023, was recorded in costs of products sold on the Consolidated Statements of Income.
We expect total interest expense for 2024 to be approximately $40 million, this decrease is primarily related to significant long-term debt payments made during 2023. We expect non-cash pension income to increase by $2 million compared to 2023. Income taxes.
We expect total interest expense for 2025 to be in the range of $24 million to $27 million. This decrease is primarily related to significant long-term debt payments made during 2024. We expect non-cash pension income to increase by $4 million to $5 million compared to 2024. Income taxes.
Driven by its singular mission of safety, the Company has been at the forefront of safety innovation since 1914, protecting workers and facility infrastructure around the world across a broad range of diverse end markets while creating sustainable value for shareholders . We tailor our product offerings and distribution strategy to satisfy distinct customer preferences that vary across geographic regions.
Driven by its singular mission of safety, the Company has been at the forefront of safety innovation since 1914, protecting workers and facility infrastructure around the world across a broad range of diverse end markets while creating sustainable value for shareholders .
We believe that the use of these non-GAAP financial measures provide investors with additional useful information and provide a more complete understanding of our operating performance and trends, and facilitate comparisons with the performance of our peers. Management also uses these measures internally to assess and better understand our underlying business performance and trends related to core business activities.
Additionally, these non-GAAP financial measures provide information useful to investors in understanding our operating performance and trends, and to facilitate comparisons with the performance of our peers. Management uses these measures internally to assess and better understand our underlying business performance and trends related to core business activities as well as to allocate resources.
During the year ended December 31, 2023, the Company recorded restructuring charges of $9.9 million primarily related to our ongoing manufacturing footprint optimization activities and other initiatives to adjust our cost structure and improve productivity.
This compared to restructuring charges of $9.9 million during the year ended December 31, 2023, primarily related to manufacturing footprint optimization activities and other initiatives to adjust our cost structure and improve productivity. We remain focused on executing programs to optimize our cost structure. Currency exchange .
Selling, general and administrative ("SG&A") expenses were $396.6 million for the year ended December 31, 2023, an increase of $57.7 million, or 17.0%, compared to $338.9 million for the year ended December 31, 2022. Overall, selling, general and administrative expenses were 22.2% of net sales in both periods.
Selling, general and administrative expenses. Selling, general and administrative ("SG&A") expenses were $394.7 million for the year ended December 31, 2024, a decrease of $1.9 million, or 0.5%, compared to $396.6 million for the year ended December 31, 2023. Selling, general and administrative expenses were 21.8% of net sales in 2024 compared to 22.2% of net sales in 2023.
We recognize interest related to unrecognized tax benefits in interest expense and penalties in operating expenses. The tax liabilities ultimately paid are dependent on a number of factors, including the resolution of tax audits, and may differ from the amounts recorded. Tax liabilities are adjusted through income when it becomes probable that the actual liability differs from the amount recorded.
The tax liabilities ultimately paid are dependent on a number of factors, including the resolution of tax audits, and may differ from the amounts recorded. Tax liabilities are adjusted through income when it becomes probable that the actual liability differs from the amount recorded. Pensions and other post-retirement benefits. We sponsor certain pension and other post-retirement benefit plans.
Interest payments on fixed rate debt over the next five years are excluded from the table above and are expected to be approximately $9.8 million in 2024, $9.6 million in 2025, $9.3 million in 2026, $8.5 million in 2027 and $7.0 million in 2028.
We expect to meet our future debt service obligations through cash provided by operations. Interest payments on fixed rate debt over the next five years are excluded from the table above and are expected to be approximately $9.6 million in 2025, $9.4 million in 2026, $9.1 million in 2027, $7.5 million in 2028 and $6.0 million in 2029.
Currency exchange losses were $17.1 million during the year ended December 31, 2023, compared to $10.3 million during the year ended December 31, 2022. Currency exchange activity for both periods related primarily due to foreign currency exposure on unsettled inter-company balances and recognized exchange loss for our Argentina affiliate operating in a hyper-inflationary environment.
The remaining currency exchange activity for both periods related primarily to foreign currency exposure on unsettled inter-company balances and recognized exchange loss for our Argentina affiliate operating in a hyper-inflationary environment.
Consolidated operating income for the year ended December 31, 2023 was $231.3 million compared to $239.1 million for the year ended December 31, 2022. The decrease in operating income was primarily driven by the loss on divestiture of MSA LLC, partially offset by strong operating results driven by higher sales and gross profit. Adjusted operating income.
Consolidated operating income for the year ended December 31, 2024, was $389.2 million compared to $231.3 million for the year ended December 31, 2023. The increase in operating results was primarily driven by the absence of loss on divestiture of MSA LLC as recognized in 2023 in addition to higher sales. Adjusted operating income.
During 2022, we also recognized non-cash cumulative translation losses as a result of our plan to close a foreign subsidiary. Refer to Note 18—Derivative Financial Instruments of the consolidated financial statements in Part II Item 8 of this Form 10-K for information regarding our currency exchange rate risk management strategy. 29 Table of Contents Product liability expense.
Refer to Note 18—Derivative Financial Instruments of the consolidated financial statements in Part II Item 8 of this Form 10-K for information regarding our currency exchange rate risk management strategy. Product liability expense.
At December 31, 2023, $838.1 million of the existing $900.0 million senior revolving credit facility was unused, including letters of credit issued under the facility. The facility also provides an accordion feature that allows the Company to access an additional $400.0 million of capacity pending approval by MSA’s board of directors and from the bank group.
The facility also provides an accordion feature that allows the Company to access an additional $400.0 million of capacity pending approval by MSA’s board of directors and from the bank group.
These non-GAAP financial measures should be viewed as supplemental in nature, and not as a substitute for, or superior to, our reported results prepared in accordance with GAAP.
These non-GAAP financial measures should be viewed as supplemental in nature, and not as a substitute for, or superior to, our reported results prepared in accordance with GAAP. 31 Table of Contents LIQUIDITY AND CAPITAL RESOURCES Our main source of liquidity is operating cash flows, supplemented by borrowings.
Forecasts are based on sales generated by the underlying trade name assets and are generally based on approved business unit operating plans for the early years and historical relationships in later years. At October 1, 2023, based on our quantitative test, the fair value of the trade name asset exceeded its carrying value by approximately 39%.
Forecasts are based on sales generated by the underlying trade name assets and are generally based on approved business unit operating plans for the early years and historical relationships in later years.
The following tables represent a reconciliation from GAAP operating income to adjusted operating income (loss) and adjusted EBITDA. Adjusted operating margin % is calculated as adjusted operating income (loss) divided by net sales and adjusted EBITDA margin % is calculated as adjusted EBITDA divided by net sales.
Adjusted operating margin % is calculated as adjusted operating income (loss) divided by net sales and adjusted EBITDA margin % is calculated as adjusted EBITDA divided by net sales.
Our International segment includes companies in Europe, the Middle East and Africa ("EMEA") and the Asia Pacific region. In our largest International subsidiaries (in Germany, France, U.K., Ireland and China), we develop, manufacture and sell a wide variety of products. In China, the products manufactured are sold primarily in China as well as in regional markets.
In our largest International subsidiaries (in Germany, France, U.K., Ireland and China), we develop, manufacture and sell a wide variety of products. In China, the products manufactured are sold primarily in China as well as in regional markets. Operations in other International segment countries focus primarily on sales and distribution in their respective home country markets.
We paid cash dividends of $73.5 million during 2023, compared to $71.5 million during 2022. We used cash of $4.0 million during 2023 to repurchase shares related to our employee stock compensation transactions. We used cash of $34.4 million during 2022, including $30.4 million related to our share repurchase program with the remainder related to employee stock compensation transactions.
We used cash of $37.3 million during 2024 to repurchase shares, including $29.9 million related to our share repurchase program, and the remainder related to our employee stock compensation transactions compared to $4.0 million during 2023, all of which related to employee stock compensation transactions.
Refer to Note 20—Contingencies to the consolidated financial statements in Part II Item 8 of this Form 10-K for further discussion on the Company's product liability claims and divestiture of MSA LLC on January 5, 2023.
Product liability expense during the years ended December 31, 2024, and 2023, was minimal due to our divestiture of MSA LLC in January 2023, as discussed further in Note 20—Contingencies of the consolidated financial statements in Part II Item 8 of this Form 10-K. Loss on divestiture of MSA LLC .
CUMULATIVE TRANSLATION ADJUSTMENTS The year-end position of the U.S. dollar relative to international currencies at December 31, 2023, resulted in a translation gain of $21.7 million being recorded to cumulative translation adjustments shareholders' equity account for the year ended December 31, 2023, compared to a translation loss of $19.5 million being recorded to the cumulative translation adjustments account during 2022.
CUMULATIVE TRANSLATION ADJUSTMENTS The position of the U.S. dollar relative to international currencies, primarily the euro, at December 31, 2024, resulted in a translation loss of $42.5 million being recorded to cumulative translation adjustments shareholders' equity account for the year ended December 31, 2024, compared to a translation gain of $21.7 million being recorded to the cumulative translation adjustments account during 2023. 32 Table of Contents COMMITMENTS AND CONTINGENCIES We are obligated to make future payments under various contracts, including debt and lease agreements.
Total other expense, net, for the year ended December 31, 2023, was $24.6 million, an increase of $24.0 million compared to $0.6 million for the year ended December 31, 2022, due primarily to increased interest expense related to higher interest rates and increased debt balances associated with the MSA LLC divestiture as well as decreased pension income driven by a lower expected rate of return.
Total other expense, net, for the year ended December 31, 2024, was $14.2 million, a decrease of $10.4 million compared to $24.6 million for the year ended December 31, 2023, due primarily to decreased interest expense on reduced debt balances as well as increased pension income driven by a higher expected rate of return, partially offset by pension settlement expense recognized in the current year.
We continue to monitor the potential financial impacts and compliance requirements of Pillar 2. We are subject to regular review and audit by both foreign and domestic tax authorities. While we believe our tax positions will be sustained, the final outcome of tax audits and related litigation may differ materially from the tax amounts recorded in our consolidated financial statements.
While we believe our tax positions will be sustained, the final outcome of tax audits and related litigation may differ materially from the tax amounts recorded in our consolidated financial statements. Net income .
Net Sales Year Ended December 31, 2023 versus December 31, 2022 (Percent Change) Americas International Consolidated GAAP reported sales change 18.4% 13.9% 17.0% Currency translation effects (0.9)% (0.7)% (0.9)% Constant currency sales change 17.5% 13.2% 16.1% Note: Constant currency sales change is a non-GAAP financial measure provided by the Company to give a better understanding of the Company's underlying business performance.
Net Sales Year Ended December 31, 2024, versus December 31, 2023 (Percent Change) Americas International Consolidated GAAP reported sales change 0.9% 1.7% 1.1% Currency translation effects 0.7% (0.2)% 0.4% Organic sales change 1.6% 1.5% 1.5% Note: Organic sales change is a non-GAAP financial measure. See the "Non-GAAP Financial Measures" section below.
During 2023, we had net proceeds on long-term debt of $23.9 million to fund the MSA LLC divestiture as compared to net payments on long-term debt of $13.0 million during the same period in 2022. Since the MSA LLC divestiture in January 2023, we have paid down $289.0 million of our outstanding borrowings.
During 2024, we had net payments on long-term debt of $94.3 million compared to net proceeds from long-term debt of $23.9 million during the same period in 2023 to fund the MSA LLC divestiture. We paid cash dividends of $78.8 million during 2024, compared to $73.5 million during 2023.
This significant variance from the prior year is primarily due to the divestiture of MSA LLC and the non-deductible loss recorded on the derecognition of the product liability reserves and related assets partially offset by a $5.3 million tax adjustment for Switzerland tax reform.
The reported effective tax rate for the year ended December 31, 2024, was 24.0% compared to 71.6% for the year ended December 31, 2023. This significant variance is primarily due to the prior year divestiture of MSA LLC and the non-deductible loss recorded on the derecognition of the product liability reserves and related assets.
To best serve these customer preferences, we have organized our business into four geographical operating segments that are aggregated into three reportable segments: Americas, International and Corporate. In 2023, 69% and 31% of our net sales were made by our Americas and International segments, respectively. Americas .
We tailor our product and solution offerings and distribution strategy to satisfy distinct customer preferences that vary across geographic regions. To best serve these customer preferences, we have organized our business into four geographical operating segments that are aggregated into three reportable segments: Americas, International and Corporate.
Our largest manufacturing and research and development facilities are located in the United States. We serve our markets across the Americas with manufacturing facilities in the U.S., Mexico and Brazil. Operations in the other countries within the Americas segment focus primarily on sales and distribution in their respective home country markets. International .
In 2024, 69% and 31% of our net sales were made by our Americas and International segments, respectively. Americas . Our largest manufacturing and research and development facilities are located in the United States. We serve our markets across the Americas with manufacturing facilities in the U.S., Mexico and Brazil.
Americas adjusted operating income for the year ended December 31, 2023 was $359.6 million, an increase of $92.2 million or 34%, compared to $267.4 million for the year ended December 31, 2022. The increase in adjusted operating income is primarily attributable to higher sales and gross profit, partially offset by higher SG&A expenses to support business growth.
Americas adjusted operating income for the year ended December 31, 2024, was $380.1 million, an increase of $20.5 million, or 6%, compared to $359.6 million for the year ended December 31, 2023. The increase in adjusted operating income is primarily attributable to higher sales and effective price/cost management as well as controlled SG&A expense.
Please refer to the Selling, general and administrative expenses table for a reconciliation of the year-over-year expense change. 28 Table of Contents Selling, general, and administrative expenses Year Ended December 31, 2023 versus December 31, 2022 (Percent Change) Consolidated GAAP reported change 17.0% Currency translation effects (0.6)% Constant currency change 16.4% Note: Constant currency SG&A change is a non-GAAP financial measure provided by the Company to give a better understanding of the Company's underlying business performance.
Selling, general, and administrative expenses Year Ended December 31, 2024, versus December 31, 2023 (Percent Change) Consolidated GAAP reported change (0.5)% Currency translation effects 0.5% Organic change —% Note: Organic SG&A change is a non-GAAP financial measure. See the "Non-GAAP Financial Measures" section below. 28 Table of Contents Research and development expense.
Research and development expense was 3.8% of net sales in 2023, compared to 3.7% of net sales in 2022. We capitalized approximately $12.1 million and $8.7 million of software development costs during the years ended December 31, 2023 and 2022, respectively.
Research and development expense was $66.5 million for the year ended December 31, 2024, a decrease of $1.5 million, or 2.2%, compared to $68.0 million for the year ended December 31, 2023. Research and development expense was 3.7% of net sales in 2024, compared to 3.8% of net sales in 2023.
Net income was $58.6 million for the year ended December 31, 2023, or $1.48 per diluted share, compared to $179.6 million, or $4.56 per diluted share, for the year ended December 31, 2022. 31 Table of Contents Non-GAAP Financial Information To supplement our Consolidated Financial Statements presented in accordance with generally accepted accounting principles (“GAAP”), we use, and this report includes, certain non-GAAP financial measures.
Net income was $285.0 million for the year ended December 31, 2024, or $7.21 per diluted share, compared to $58.6 million, or $1.48 per diluted share, for the year ended December 31, 2023. Non-GAAP Financial Information This report includes certain non-GAAP financial measures and operating ratios derived from non-GAAP financial measures.
At December 31, 2023, approximately 52% of our long-term debt is at fixed interest rates with repayment schedules through 2036. The remainder of our long-term debt is at variable rates on an unsecured revolving credit facility that is due in 2026.
Our principal liquidity requirements are for working capital, capital expenditures, principal and interest payments on debt, dividend payments and share repurchases. At December 31, 2024, approximately 60% of our long-term debt is at fixed interest rates with repayment schedules through 2036. The remainder of our long-term debt is at variable rates on a term loan due in 2026.
We record an estimated income tax liability based on our best judgment of the amounts likely to be paid in the various tax jurisdictions in which we operate. We record tax benefits related to uncertain tax positions taken or expected to be taken on a tax return when such benefits meet a more likely than not threshold.
We record tax benefits related to uncertain tax positions taken or expected to be taken on a tax return when such benefits meet a more likely than not threshold. We recognize interest related to unrecognized tax benefits in interest expense and penalties in operating expenses.
When assessing the need for valuation allowances, we consider projected future taxable income and prudent and feasible tax planning strategies. Should a change in circumstances lead to a change in our judgments about the realizability of deferred tax assets in future years, we adjust the related valuation allowances in the period that the change in circumstances occurs.
We record valuation allowances to reduce deferred tax assets to the amounts that we estimate are probable to be realized. When assessing the need for valuation allowances, we consider projected future taxable income and prudent and feasible tax planning strategies.
Please refer to the Net Sales table below for a reconciliation of the year over year sales change.
Net sales for the year ended December 31, 2024, were $1.81 billion, an increase of $20.4 million from $1.79 billion for the year ended December 31, 2023. Please refer to the Net Sales table below for a reconciliation of the year over year sales change.
We believe MSA's healthy balance sheet and access to significant capital at the year ended December 31, 2023, positions us well to navigate through challenging business conditions and supply chain constraints or other unexpected events. 32 Table of Contents Operating activities. Operating activities provided cash of $92.9 million in 2023, compared to providing cash of $157.5 million in 2022.
We believe MSA's healthy balance sheet and access to significant capital at the year ended December 31, 2024, positions us well to navigate through a dynamic operating environment and other unexpected events.
We recognize deferred tax assets and liabilities using enacted tax rates to record the tax effect of temporary differences between the book and tax basis of recorded assets and liabilities. We record valuation allowances to reduce deferred tax assets to the amounts that we estimate are probable to be realized.
The more critical judgments and estimates used in the preparation of our consolidated financial statements are discussed below. Income taxes. We recognize deferred tax assets and liabilities using enacted tax rates to record the tax effect of temporary differences between the book and tax basis of recorded assets and liabilities.
Impact of Changes in Actuarial Assumptions Change in Discount Rate Change in Expected Return Change in Market Value of Assets (In thousands) 1% (1)% 1% (1)% 5% (5)% (Decrease) increase in net benefit cost $ (906) $ 1,035 $ (5,767) $ 5,767 $ (384) $ 355 (Decrease) increase in projected benefit obligation (55,749) 67,271 — — — — Increase (decrease) in funded status 55,749 (67,271) — — 28,106 (28,106) 35 Table of Contents Goodwill and Indefinite-lived Intangible Assets.
The following table summarizes the impact of changes in significant actuarial assumptions on our December 31, 2024, actuarial valuations: Impact of Changes in Actuarial Assumptions Change in Discount Rate Change in Expected Return Change in Market Value of Assets (In thousands) 1% (1)% 1% (1)% 5% (5)% (Decrease) increase in net benefit cost $ (1,029) $ 2,135 $ (5,981) $ 5,980 $ (486) $ 466 (Decrease) increase in projected benefit obligation (51,948) 63,107 — — — — Increase (decrease) in funded status 51,948 (63,107) — — 29,849 (29,849) Goodwill and Indefinite-lived Intangible Assets.
International adjusted operating income for the year ended December 31, 2023 was $89.7 million, an increase of $28.8 million, or 47%, compared to adjusted operating income of $60.9 million for the year ended December 31, 2022. The increase in adjusted operating income is primarily attributable to higher sales and gross profit.
International adjusted operating income for the year ended December 31, 2024, was $84.6 million, a decrease of $5.1 million, or 6%, compared to adjusted operating income of $89.7 million for the year ended December 31, 2023. The decrease in adjusted operating income is primarily attributable to inflationary pressures, partially offset by pricing and discretionary cost management.
These costs are included in selling, general and administrative expense in the Consolidated Statements of Income. Note: Adjusted operating income (loss) and adjusted EBITDA are non-GAAP financial measures.
These costs are included in Selling, general and administrative expense in the Consolidated Statements of Operations. 30 Table of Contents Total other expense, net.
Refer to Note 8—Segment Information to the consolidated financial statements in Part II Item 8 of this Form 10-K, for information regarding sales by product group. Gross profit. Gross profit for the year ended December 31, 2023 was $852.1 million, an increase of $178.3 million, or 26.5%, compared to $673.8 million for the year ended December 31, 2022.
We expect to generate low-single digit organic sales growth in 2025 and expect the year to follow normal seasonal patterns. Refer to Note 9—Segment Information to the consolidated financial statements in Part II Item 8 of this Form 10-K, for information regarding sales by product category. Gross profit.
These increases reflect an increase in centrally managed functions and is primarily the result of higher variable compensation expense related to sales growth and improved performance results from prior year. 27 Table of Contents Year Ended December 31, 2023 Compared to Year Ended December 31, 2022 Net Sales 2023 2022 Dollar Increase Percent Increase (In millions) Consolidated $1,787.7 $1,527.9 $259.8 17.0% Americas 1,235.6 1,043.2 192.4 18.4% International 552.1 484.7 67.4 13.9% Net Sales.
Our commitment to MBS has enabled us to drive customer satisfaction and profitable growth while generating significant improvements in operating results. 27 Table of Contents Year Ended December 31, 2024, Compared to Year Ended December 31, 2023 Net Sales 2024 2023 Dollar Increase Percent Increase (In millions) Consolidated $1,808.1 $1,787.7 $20.4 1.1% Americas 1,246.6 1,235.6 11.0 0.9% International 561.5 552.1 9.4 1.7% Net Sales.
Constant currency sales change is calculated by deducting the percentage impact from currency translation effects from the overall percentage change in net sales. Net sales for the Americas segment were $1.2 billion for the year ended December 31, 2023, an increase of $0.2 billion, or 18.4%, compared to $1.0 billion for the year ended December 31, 2022.
Net sales for the Americas segment were $1.25 billion for the year ended December 31, 2024, an increase of $11.0 million, or 0.9%, compared to $1.24 billion for the year ended December 31, 2023. Organic sales in the Americas segment increased 1.6% compared to the prior year. This growth was driven by strength across detection, fire service and industrial PPE.
During the years ended December 31, 2023, and 2022 corporate general and administrative costs were $52.7 million and $40.3 million, respectively.
During the years ended December 31, 2024, and 2023, corporate general and administrative costs were $56.3 million and $52.7 million, respectively. The increase is related to higher costs for centrally managed functions, including legal and other professional services associated with various strategic initiatives, partially offset by lower variable compensation expense.
See further discussion on the process and assumptions used to derive this estimate in Note 20— Contingencies of the consolidated financial statements in Part II Item 8 of MSA's Form 10-K for the year ended December 31, 2022. Income taxes.
Refer to Note 9—Segment Information to the consolidated financial statements in Part II Item 8 of this Form 10-K for reconciliation of total adjusted operating income from reportable segments to income before income taxes and table below for reconciliation of adjusted EBITDA to net income. See also the "Non-GAAP Financial Information" section below.
Investing activities used cash of $40.0 million for the year ended December 31, 2023, compared to using $4.5 million in 2022. The increase in cash used in investing activities as compared to the same period in 2022 was primarily related to the absence of short-term investment activity.
Additionally, working capital cash usage increased related primarily to inventory purchases to support customer demand, which were partially offset by improved accounts payable and accounts receivable management. Investing activities. Investing activities used cash of $53.8 million for the year ended December 31, 2024, compared to using $40.0 million in 2023.