Biggest changeResults of Operations Year Ended December 31, 2023 and 2022 The following table summarizes certain financial information relating to our operating results that have been derived from our audited financial statements for the years ended December 31, 2023 and 2022. 74 For the years ended December 31, (in thousands) 2023 % of Total Revenues 2022 % of Total Revenues Revenues: Sales $ 1,647,992 98.3 % $ 1,707,579 98.2 % Other revenues 28,633 1.7 % 31,159 1.8 % Total revenues 1,676,625 100.0 % 1,738,738 100.0 % Costs and expenses: Cost of sales (exclusive of items shown separately below) 910,269 54.3 % 710,605 40.9 % Cost of other revenues (exclusive of items shown separately below) 37,486 2.2 % 27,047 1.6 % Depreciation and depletion 127,356 7.6 % 115,279 6.6 % Selling, general and administrative 51,817 3.1 % 48,791 2.8 % Business interruption 8,291 0.5 % 23,455 1.3 % Idle mine — — % 12,137 0.7 % Total costs and expenses 1,135,219 67.7 % 937,314 53.9 % Operating income 541,406 32.3 % 801,424 46.1 % Interest expense (17,960) (1.1) % (31,433) (1.8) % Interest income 40,699 2.4 % 12,438 0.7 % Loss on early extinguishment of debt (11,699) (0.7) % — — % Other (expense) income (1,027) (0.1) % 675 — % Income before income tax expense 551,419 32.9 % 783,104 45.0 % Income tax expense $ 72,790 4.3 % 141,806 8.2 % Net income $ 478,629 28.5 % $ 641,298 36.9 % Sales, production and cost of sales components on a per unit basis for the years ended December 31, 2023 and 2022 were as follows: For the years ended December 31, 2023 2022 Steelmaking Coal (metric tons in thousands) Metric tons sold 6,820 5,099 Metric tons produced 6,936 5,729 Average net selling price per metric ton $ 241.64 $ 334.89 Cash cost of sales per metric ton $ 132.60 $ 138.35 Cost of production % 60 % 53 % Transportation and royalties % 40 % 47 % The following list highlights our key accomplishments for the year ended December 31, 2023: • we achieved strong net income of $478.6 million, or $9.20 per diluted share and adjusted EBITDA of $698.9 million; • we achieved annual sales volumes of 6.8 million metric tons, a 34% increase compared to the prior year, and production volume of 6.9 million metric tons, a 21% increase compared to the prior year, which represent run rates not seen since 2020; • we delivered positive cash flows from operations of $701.1 million and free cash flow of $176.3 million while continuing to invest a record high $524.8 million in property, plant and equipment and mine development and retired early approximately 50% of our senior secured notes; 75 • we maintained a strong balance sheet with total liquidity of $845.6 million, consisting of cash and cash equivalents of $738.2 million and $107.4 million available under our ABL Facility; • we made excellent progress in developing our world class Blue Creek growth project, which remains on schedule and invested $319.1 million for the year ended December 31, 2023; • we achieved a total reportable incidence rate of 1.90, which is 57% lower than the national total reportable incidence rate for all underground coal mines in the United States of 4.39 for the nine months ended September 30, 2023, which represents the latest data available; and • we demonstrated an ongoing commitment to returning capital to our stockholders paying a regular quarterly dividend of $0.07 per share, an increase of approximately 17% compared to the prior year and special dividends of $0.88 per share.
Biggest changeFor the years ended December 31, (in thousands) 2024 % of Total Revenues 2023 % of Total Revenues Revenues: Sales $ 1,499,980 98.3 % $ 1,647,992 98.3 % Other revenues 25,240 1.7 % 28,633 1.7 % Total revenues 1,525,220 100.0 % 1,676,625 100.0 % Costs and expenses: Cost of sales (exclusive of items shown separately below) 1,007,297 66.0 % 910,269 54.3 % Cost of other revenues (exclusive of items shown separately below) 45,449 3.0 % 37,486 2.2 % Depreciation and depletion 153,982 10.1 % 127,356 7.6 % Selling, general and administrative 63,078 4.1 % 51,817 3.1 % Business interruption 524 — % 8,291 0.5 % Total costs and expenses 1,270,330 83.3 % 1,135,219 67.7 % Operating income 254,890 16.7 % 541,406 32.3 % Interest expense (4,271) (0.3) % (17,960) (1.1) % Interest income 33,047 2.2 % 40,699 2.4 % Loss on early extinguishment of debt — — % (11,699) (0.7) % Other expense — — % (1,027) (0.1) % Income before income tax expense 283,666 18.6 % 551,419 32.9 % Income tax expense 33,063 2.2 % 72,790 4.3 % Net income $ 250,603 16.4 % $ 478,629 28.5 % Sales, production and cost of sales components on a per unit basis for the years ended December 31, 2024 and 2023 were as follows: For the years ended December 31, 2024 2023 Steelmaking Coal (metric tons in thousands) Metric tons sold 7,235 6,820 Metric tons produced 7,482 6,936 Average net selling price per metric ton $ 207.32 $ 241.64 Cash cost of sales per metric ton $ 138.10 $ 132.60 Cost of production % 64 % 60 % Transportation and royalties % 36 % 40 % The following list highlights our key accomplishments for the year ended December 31, 2024: • we achieved strong net income of $250.6 million, or $4.79 per diluted share and adjusted EBITDA of $447.9 million; 76 • we achieved annual sales volumes of 7.2 million metric tons, a 6% increase compared to the prior year, and production volume of 7.5 million metric tons, a 8% increase compared to the prior year, which represent run rates not seen since 2019 and record high annual production for Mine No. 4 of 2.5 million metric tons; • we delivered positive cash flows from operations of $367.4 million, enabling the second highest annual amount spent on capital expenditures of $488.3 million for the growth of the business; • we made excellent progress in developing our world-class Blue Creek growth project, which remains on schedule, and invested $350.5 million in the continued development of Blue Creek, which brings the total project spend to $716.5 million, all self-funded from operating cash flows; • we began production at Blue Creek on time and on budget; • we commenced continuous miner development at Blue Creek, producing 190 thousand metric tons; • we maintained a strong balance sheet with total liquidity of $654.7 million, consisting of cash and cash equivalents of $491.5 million, short-term investments of $5.1 million, net of $9.5 million posted as collateral, long-term investments of $44.6 million, and $113.5 million available under our ABL Facility; • we achieved a total reportable incidence rate of 1.53, which is 65% lower than the national total reportable incidence rate for all underground coal mines in the United States of 4.36 for the nine months ended September 30, 2024 which represents the latest data available; and • we demonstrated an ongoing commitment to returning capital to our stockholders paying a regular quarterly dividend of $0.08 per share and special dividends of $0.50 per share.
Investing Activities Net cash used in investing activities was $527.2 million for the year ended December 31, 2023, primarily comprised of $491.7 million of purchases of property, plant and equipment and $33.1 million of capitalized mine development costs associated with our Blue Creek development.
Net cash used in investing activities was $527.2 million for the year ended December 31, 2023, primarily comprised of $491.7 million of purchases of property, plant and equipment and $33.1 million of capitalized mine development costs associated with our Blue Creek development.
Financing Activities Net cash used in financing activities was $265.2 million for the year ended December 31, 2023, primarily due to the retirements of debt related to our Notes of $162.4 million, payment of quarterly and special dividends of $61.1 million and principal repayments of financing lease obligations of $32.3 million.
Net cash used in financing activities was $265.2 million for the year ended December 31, 2023, primarily due to the retirements of debt related to our Notes of $162.4 million, payment of quarterly and special dividends of $61.1 million and principal repayments of financing lease obligations of $32.3 million.
The Rights will expire on the earliest of (i) the close of business on April 19, 2026, (ii) the time at which the Rights are redeemed as provided in the Amended Rights Agreement, (iii) the time at which the Rights are exchanged as provided in the Amended Rights Agreement, (iv) the time at which the Board determines that the NOLs are fully utilized or no longer available under Section 382 of the Code, (v) the effective date of the repeal of Section 382 of the Code if the Board determines that the Amended Rights Agreement is no longer necessary or desirable for the preservation of NOLs, or (vi) the closing of any merger or other acquisition transaction involving the Company pursuant to an agreement of the type described in the Amended Rights Agreement.
The Rights will expire on the earliest of (i) the close of business on April 19, 2026, (ii) the time at which the Rights are redeemed as provided in the Amended Rights Agreement, (iii) the time at which the Rights are exchanged as provided in the Amended Rights Agreement, (iv) the time at which the Board determines that the NOLs are fully utilized or no longer available 85 under Section 382 of the Code, (v) the effective date of the repeal of Section 382 of the Code if the Board determines that the Amended Rights Agreement is no longer necessary or desirable for the preservation of NOLs, or (vi) the closing of any merger or other acquisition transaction involving the Company pursuant to an agreement of the type described in the Amended Rights Agreement.
Net cash provided by operating activities was $701.1 million for the year ended December 31, 2023, and was primarily attributed to net income of $478.6 million adjusted for depreciation and depletion expense of $127.4 million, deferred income tax expense of $52.9 million, stock-based compensation expense of $18.2 million, loss on early extinguishment of debt of $11.7 million, accretion and valuation adjustment of asset retirement obligations of $4.5 million and amortization of debt issuance costs and debt discount of $2.1 million and a decrease in net working capital of $5.7 million.
Net cash provided by operating activities was $701.1 million for the year ended December 31, 2023, and was primarily attributed to net income of $478.6 million adjusted for depreciation and depletion expense of $127.4 million, deferred income tax expense of $52.9 million, stock-based compensation expense of $18.2 million, loss on early extinguishment of debt of $11.7 million, accretion and valuation adjustment of asset retirement obligations of $4.5 million and amortization of debt issuance 80 costs and debt discount of $2.1 million and a decrease in net working capital of $5.7 million.
Pursuant to the terms of the Restricted Payment Offer: (1) an automatic pro ration factor of 49.5674% was applied to the $0.2 million aggregate principal amount of the Notes that were validly tendered and not validly withdrawn in the Restricted Payment Offer (rounded down to avoid the purchase of Notes in a principal amount other than in integrals of $1,000), which resulted in $0.1 million aggregate principal amount of the Notes (the “RP Pro-Rated Tendered Notes”); (2) we accepted all $0.1 million aggregate principal amount of the RP Pro-Rated Tendered Notes for payment of the Restricted Payment Repurchase Price in cash; and (3) the remaining balance of $0.1 million aggregate principal amount of the Notes tendered that were not RP Pro-Rated Tendered Notes were not accepted for payment and were returned to the tendering holder of the Notes.
Pursuant to the terms of the Restricted Payment Offer: (1) an automatic pro ration factor of 49.5674% was applied to the $0.2 million aggregate principal amount of the Notes that were validly tendered and not validly withdrawn in the Restricted Payment Offer (rounded down to avoid the purchase of 83 Notes in a principal amount other than in integrals of $1,000), which resulted in $0.1 million aggregate principal amount of the Notes (the “RP Pro-Rated Tendered Notes”); (2) we accepted all $0.1 million aggregate principal amount of the RP Pro-Rated Tendered Notes for payment of the Restricted Payment Repurchase Price in cash; and (3) the remaining balance of $0.1 million aggregate principal amount of the Notes tendered that were not RP Pro-Rated Tendered Notes were not accepted for payment and were returned to the tendering holder of the Notes.
Cash cost of sales is used as a supplemental financial measure by management and by external users of our financial statements, such as investors, industry analysts, lenders and ratings agencies, to assess: • our operating performance as compared to the operating performance of other companies in the coal industry, without regard to financing methods, historical cost basis or capital structure; and • the viability of acquisitions and other capital expenditure projects and the returns on investment of various investment opportunities, such as Blue Creek.
Cash cost of sales is used as a supplemental financial measure by management and by external users of our financial statements, such as investors, industry analysts, lenders and ratings agencies, to assess: • our operating performance as compared to the operating performance of other companies in the coal industry, without regard to financing methods, historical cost basis or capital structure; and 73 • the viability of acquisitions and other capital expenditure projects and the returns on investment of various investment opportunities, such as Blue Creek.
While the Amended Rights Agreement is in effect, any person or group that acquires beneficial ownership of 4.99% or more of the common stock or any existing stockholder who currently owns 5.00% or more of the common stock that acquires any additional shares of common stock (such person, group or existing stockholder, an "Acquiring Person") without approval 84 from the Board would be subject to significant dilution in their ownership interest in the Company.
While the Amended Rights Agreement is in effect, any person or group that acquires beneficial ownership of 4.99% or more of the common stock or any existing stockholder who currently owns 5.00% or more of the common stock that acquires any additional shares of common stock (such person, group or existing stockholder, an "Acquiring Person") without approval from the Board would be subject to significant dilution in their ownership interest in the Company.
Offers to Purchase the Notes On August 9, 2023, we commenced an offer to purchase (the “Restricted Payment Offer”), in cash, up to $150.0 million principal amount of its outstanding Notes, at a repurchase price of 103% of the aggregate principal amount of such Notes, plus accrued and unpaid interest with respect to such Notes to, but not including, the date of repurchase (the “Restricted 82 Payment Repurchase Price”).
Offers to Purchase the Notes On August 9, 2023, we commenced an offer to purchase (the “Restricted Payment Offer”), in cash, up to $150.0 million principal amount of its outstanding Notes, at a repurchase price of 103% of the aggregate principal amount of such Notes, plus accrued and unpaid interest with respect to such Notes to, but not including, the date of repurchase (the “Restricted Payment Repurchase Price”).
Cash cost of sales should not be considered an alternative to cost of sales or any other measure of financial performance or liquidity presented in accordance with GAAP. Cash cost of sales excludes some, but not all, items that 72 affect cost of sales, and our presentation may vary from the presentations of other companies.
Cash cost of sales should not be considered an alternative to cost of sales or any other measure of financial performance or liquidity presented in accordance with GAAP. Cash cost of sales excludes some, but not all, items that affect cost of sales, and our presentation may vary from the presentations of other companies.
The cost of our capital expenditures are also impacted by inflation and any prolonged inflation could result in higher costs and decreased margins and earnings. While a significant amount of the capital expenditures required at our mines has been spent, we must continue to invest capital to maintain our production.
The cost of our capital expenditures are also impacted by inflation and any prolonged inflation could result in higher costs and decreased margins and earnings. While a significant amount of the capital expenditures required at our mines has been spent, we must continue to 84 invest capital to maintain our production.
(2) Represents non-cash stock compensation expense associated with equity awards (see Note 12 to our consolidated financial statements). (3) Represents non-cash accretion expense and valuation adjustments associated with our black lung obligations (see Note 10 to our consolidated financial statements). (4) Represents non-cash mark-market losses recognized on our gas hedges (see Note 17 to our consolidated financial statements).
(2) Represents non-cash stock compensation expense associated with equity awards (see Note 12 to our consolidated financial statements). (3) Represents non-cash accretion expense and valuation adjustments associated with our black lung obligations (see Note 10 to our consolidated financial statements). (4) Represents non-cash mark-to-market losses (gains) recognized on our gas hedges (see Note 17 to our consolidated financial statements).
Borrowings under the ABL Facility bear interest at a rate equal to either (i) SOFR, plus a credit adjustment spread, ranging currently from approximately 11 bps to 43 bps depending on the interest period selected by us, or (ii) an alternate base 81 rate plus, in each case of the foregoing (i) and (ii), an applicable margin, which is determined based on the average availability of the commitments under the ABL Facility, ranging currently from 150 bps to 200 bps or 50 bps to 100 bps, respectively.
Borrowings under the ABL Facility bear interest at a rate equal to either (i) SOFR, plus a credit adjustment spread, ranging currently from approximately 11 bps to 43 bps depending on the interest period selected by us, or (ii) an alternate base 82 rate plus, in each case of the foregoing (i) and (ii), an applicable margin, which is determined based on the average availability of the commitments under the ABL Facility, ranging currently from 150 bps to 200 bps or 50 bps to 100 bps, respectively.
Please see “ Forward-Looking Statements. ” For a discussion and analysis of our results of operations and financial condition for 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 of our Annual Report on Form 10-K for the fiscal year ended December 31, 2022.
Please see “ Forward-Looking Statements. ” For a discussion and analysis of our results of operations and financial condition for 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 of our Annual Report on Form 10-K for the fiscal year ended December 31, 2023.
Additionally, the ABL Facility contains a springing fixed charge coverage ratio of not less than 1.00 to 1.00, which ratio is tested if availability under the ABL Facility is less than a certain amount. As of December 31, 2023, we were not subject to this covenant.
Additionally, the ABL Facility contains a springing fixed charge coverage ratio of not less than 1.00 to 1.00, which ratio is tested if availability under the ABL Facility is less than a certain amount. As of December 31, 2024, we were not subject to this covenant.
Going forward, we will use cash to fund debt service payments on our Notes, the ABL Facility and our other indebtedness, to fund operating activities, working capital, capital expenditures, our reclamation obligations, professional fees and other non-recurring transaction expenses and strategic investments, the development of Blue Creek, and, if declared, to pay our quarterly and/or special dividends.
Going forward, we will use cash to fund debt service payments on our Notes, the ABL Facility and our other indebtedness, to fund operating activities, working capital, the development of Blue Creek, capital expenditures, our 78 reclamation obligations, our black lung obligations, professional fees and other non-recurring transaction expenses and strategic investments, and, if declared, to pay our quarterly and/or special dividends.
Subject to customary grace periods and notice requirements, the ABL Facility also contains customary events of default. We were in compliance with all applicable covenants under the ABL Facility as of December 31, 2023.
Subject to customary grace periods and notice requirements, the ABL Facility also contains customary events of default. We were in compliance with all applicable covenants under the ABL Facility as of December 31, 2024.
As of December 31, 2022, the Company has repurchased 0.5 million shares for approximately $10.6 million, leaving $59.4 million of share repurchases authorized under the New Stock Repurchase Program.
As of December 31, 2024, the Company has repurchased 0.5 million shares for approximately $10.6 million, leaving $59.4 million of share repurchases authorized under the New Stock Repurchase Program.
ITEM 7. Management's Discussion and Analysis of Financial Condition and Results of Operations The following discussion and analysis provides a narrative of our results of operations and financial condition for the years ended December 31, 2023 and December 31, 2022.
ITEM 7. Management's Discussion and Analysis of Financial Condition and Results of Operations The following discussion and analysis provides a narrative of our results of operations and financial condition for the years ended December 31, 2024 and December 31, 2023.
Other revenues for the year ended December 31, 2023 were $28.6 million compared to $31.2 million for the year ended December 31, 2022. Other revenues are comprised of revenue derived from our natural gas operations, gains and losses on our natural gas hedges and earned royalty revenue.
Other revenues for the year ended December 31, 2024 were $25.2 million compared to $28.6 million for the year ended December 31, 2023. Other revenues are comprised of revenue derived from our natural gas operations, gains and losses on our natural gas hedges and earned royalty revenue.
As of December 31, 2023, no loans were outstanding under the ABL Facility and there were $8.7 million of letters of credit issued and outstanding under the ABL Facility. During the year ended December 31, 2023, we repurchased in the open market and extinguished approximately $8.0 million principal amount of our Notes at a discount to par value.
As of December 31, 2024, no loans were outstanding under the ABL Facility and there were $2.5 million of letters of credit issued and outstanding under the ABL Facility. During the year ended December 31, 2023 , we repurchased in the open market and extinguished approximately $8.0 million principal amount of our Notes at a discount to par value.
We have posted $18.6 million in surety bonds and $9.0 million of collateral recognized as short term investments in addition to maintaining a black lung trust of $1.8 million that was acquired from Walter Energy. We received a letter from the U.S.
We have posted $18.6 million in surety bonds and $9.5 million of collateral recognized as short term investments in addition to maintaining a black lung trust of $1.4 million that was acquired from Walter Energy. We received a letter from the U.S.
There can be no assurance that we will have or continue to have access to the capital markets on terms acceptable to us or at all. Statements of Cash Flows Cash balances were $738.2 million, $829.5 million and $395.8 million at December 31, 2023, December 31, 2022, and December 31, 2021, respectively.
There can be no assurance that we will have or continue to have access to the capital markets on terms acceptable to us or at all. Statements of Cash Flows Cash balances were $491.5 million, $738.2 million and $829.5 million at December 31, 2024, December 31, 2023, and December 31, 2022, respectively.
Our ability to obtain bank financing or our ability to access the capital markets for future equity or debt offerings may be limited by our financial condition at the time of any such financing or offering and the covenants in our current or future debt agreements, as well as by general economic conditions, contingencies and uncertainties, including as a result of the COVID-19 pandemic, that are beyond our control.
Our ability to obtain bank financing or our ability to access the capital markets for future equity or debt offerings may be limited by our financial condition at the time of any such financing or offering and the covenants in our current or future debt agreements, as well as by general economic conditions, contingencies and uncertainties, that are beyond our control.
Historically, our primary uses of cash have been for funding the operations of our coal and natural gas production operations, working capital, our capital expenditures, our reclamation obligations, payment of principal and interest on our Notes, professional fees and other non-recurring transaction expenses.
Historically, our primary uses of cash have been for funding the operations of our coal and natural gas production operations, working capital, our capital expenditures, including capital expenditures and mine development for the development of Blue Creek, our reclamation obligations, payment of principal and interest on our Notes, professional fees and other non-recurring transaction expenses.
Therefore, at December 31, 2023, we have a valuation allowance against our state deferred income tax assets of approximately $41.0 million. Recently Adopted Accounting Standards See Note 2 of our consolidated financial statements for disclosures related to new accounting pronouncements. 88
Therefore, at December 31, 2024, we have a valuation allowance against our state deferred income tax assets of approximately $44.7 million . Recently Adopted Accounting Standards See Note 2 of our consolidated financial statements for disclosures related to new accounting pronouncements. 88
We are a large-scale, low-cost producer and exporter of premium steelmaking coal, also known as hard coking coal (“HCC”), operating highly efficient longwall operations in our underground mines based in Alabama, Mine No. 4 and Mine No. 7.
We are a large-scale, low-cost producer and exporter of premium quality steelmaking coal, also known as hard coking coal (“HCC”), operating highly efficient longwall operations in our underground mines based in Alabama, Mine No. 4 and Mine No. 7. We also are developing our world-class Blue Creek mine based in Alabama.
If our assumptions differ from actual experience, or if changes in the regulatory environment occur, our actual cash expenditures and costs that we incur could be materially different than currently estimated. At December 31, 2023, we had recorded asset retirement obligation liabilities of $84.2 million, including $12.5 million reported as a current liability.
If our assumptions differ from actual experience, or if changes in the regulatory environment occur, our actual cash expenditures and costs that we incur could be materially different than currently estimated. At December 31, 2024, we had recorded asset retirement obligation liabilities of $85.2 million, including $13.0 million reported as a current liability.
During the year ended December 31, 2023, we have paid $61.1 million of regular quarterly and special cash dividends under the Capital Allocation Policy . 80 Stock Repurchase Program On March 26, 2019, the Board approved the Company's second stock repurchase program (the “New Stock Repurchase Program”) that authorizes repurchases of up to an aggregate of $70.0 million of the Company's outstanding common stock.
During the year ended December 31, 2024, we have paid $43.8 million of regular quarterly and special cash dividends under the Capital Allocation Policy . 81 Stock Repurchase Program On March 26, 2019, the Board approved the Company's second stock repurchase program (the “New Stock Repurchase Program”) that authorizes repurchases of up to an aggregate of $70.0 million of the Company's outstanding common stock.
The following table sets forth, a summary of the net cash provided by (used in) operating, investing and financing activities for the period (in thousands): For the years ended December 31, 2023 2022 2021 Net cash provided by operating activities $ 701,108 $ 841,904 $ 351,543 Net cash used in investing activities (527,207) (255,144) (71,146) Net cash (used in) provided by financing activities (265,184) (153,119) (96,474) Net (decrease) increase in cash and cash equivalents and restricted cash $ (91,283) $ 433,641 $ 183,923 Operating Activities Net cash flows from operating activities consist of net income adjusted for noncash items, such as depreciation and depletion of property, plant and equipment and mineral interests, deferred income tax expense, stock-based compensation, amortization of debt issuance costs and debt discount, accretion expense and valuation adjustment associated with our asset retirement obligations, mark-to-market adjustments on gas hedges, loss on early extinguishment of debt and changes in net working capital.
The following table sets forth, a summary of the net cash provided by (used in) operating, investing and financing activities for the period (in thousands): For the years ended December 31, 2024 2023 2022 Net cash provided by operating activities $ 367,448 $ 701,108 $ 841,904 Net cash used in investing activities (538,002) (527,207) (255,144) Net cash used in financing activities (68,511) (265,184) (153,119) Net (decrease) increase in cash and cash equivalents and restricted cash $ (239,065) $ (91,283) $ 433,641 Operating Activities Net cash flows from operating activities consist of net income adjusted for noncash items, such as depreciation and depletion of property, plant and equipment and mineral interests, deferred income tax expense, stock-based compensation, amortization of debt issuance costs and debt discount, accretion expense and valuation adjustment associated with our asset retirement obligations, mark-to-market adjustments on gas hedges, loss on early extinguishment of debt and changes in net working capital.
Our deferred mine development costs were $33.1 million and $48.9 million for the years ended December 31, 2023 and December 31, 2022, respectively, and primarily relate to the development of Blue Creek and Mine No. 4.
Our deferred mine development costs were $31.1 million and $33.1 million for the years ended December 31, 2024 and December 31, 2023, respectively, and primarily relate to the development of Blue Creek and Mine No. 4 North.
For the year ended December 31, 2023, we recognized income tax expense of $72.8 million or an effective tax rate of 13.2% primarily due to pre-tax income of $551.4 million offset partially by an income tax benefit of $26.1 million due to a deduction under Section 250 of the Code: Foreign-Derived Intangible Income ("FDII") and $21.8 million of depletion.
For the year ended December 31, 2023, we recognized income tax expense of $72.8 million or an effective tax rate of 13.2% primarily due to pre-tax income of $551.4 million offset partially by an income tax benefit of $26.1 million due to the FDII deduction and $21.8 million of depletion.
The Company believes that the potential economic benefits associated with this scope change should provide Warrior with an inherently robust and cost competitive outbound logistics model that will provide additional flexibility to manage alternative transportation methods.
We believe that the potential economic benefits associated with this scope change should provide us with an inherently robust and cost competitive outbound logistics model that will provide additional flexibility to manage alternative transportation methods.
The inclusion of the benefits and incremental capital expenditures relating to these specific scope changes did not have a material impact to the project economic metrics of net present value and internal rate of return.
The inclusion of the benefits and incremental capital expenditures relating to these specific scope changes are not expected to have a material impact on the project's economic metrics of net present value and internal rate of return and did not change the project timeline.
While the Company originally planned on a single channel to transport coal from the Blue Creek mine via an overland belt to a third-party owned and operated barge loadout facility, it now plans to build a belt conveyor system to a railroad loadout to transport the majority of the coal.
While we originally planned on a single channel to transport coal from the Blue Creek mine via an overland belt to a third-party owned and operated barge loadout facility, we are now constructing a belt conveyor system to a railroad loadout to transport the majority of the coal.
For the years ended December 31, 2023 2022 2021 (in thousands) Cost of sales $ 910,269 $ 710,605 $ 554,282 Asset retirement obligation accretion and valuation adjustment (2,109) (1,801) (2,802) Stock compensation expense (3,841) (3,379) (1,917) Cash cost of sales $ 904,319 $ 705,425 $ 549,563 Adjusted EBITDA We define Adjusted EBITDA as net income before net interest (income) expense, income tax expense, depreciation and depletion, non-cash asset retirement obligation accretion and valuation adjustments, non-cash stock compensation expense, other non-cash accretion and valuation adjustments, non-cash mark-to-market (gain) loss on gas hedges, loss on early extinguishment of debt, business interruption expenses, idle mine expenses and other income and expenses.
For the years ended December 31, 2024 2023 2022 (in thousands) Cost of sales $ 1,007,297 $ 910,269 $ 710,605 Asset retirement obligation accretion and valuation adjustment (3,243) (2,109) (1,801) Stock compensation expense (4,866) (3,841) (3,379) Cash cost of sales $ 999,188 $ 904,319 $ 705,425 Adjusted EBITDA We define Adjusted EBITDA as net income before net interest (income) expense, income tax expense, depreciation and depletion, non-cash asset retirement obligation accretion and valuation adjustments, non-cash stock compensation expense, other non-cash accretion and valuation adjustments, non-cash mark-to-market (gain) loss on gas hedges, loss on early extinguishment of debt, business interruption expenses, idle mine expenses and other income and expenses.
As of December 31, 2023, we had outstanding surety bonds and letters of credit with parties for post-mining reclamation at all of our mining operations totaling $44.3 million, $18.6 million as collateral for self-insured black lung related claims and $5.2 million for miscellaneous purposes.
As of December 31, 2024, we had outstanding surety bonds and letters of credit with parties for post-mining reclamation at all of our mining operations totaling $50.6 million, $18.6 million as collateral for self-insured black lung related claims and $7.7 million for miscellaneous purposes.
Our Mine No. 4 steelmaking coal transitioned in the second half of the year from a Mid Vol to a High Vol A quality that typically trades at a larger discount to the price of coal from Mine No. 7. We now primarily target the East Coast High Vol A indices price for our Mine No. 4 coal.
Our Mine No. 4 steelmaking coal is a High Vol A quality that typically trades at a larger discount to the price of coal from Mine No. 7. We now primarily target the East Coast High Vol A indices price for our Mine No. 4 coal.
For the year ended December 31, 2023, we recognized a loss on early extinguishment of debt of $11.7 million upon the extinguishment of $146.1 million of our Notes. The loss on early extinguishment of debt represents a premium paid to retire the debt, fees incurred in connection with the transaction, accelerated amortization of debt discount and debt issuance costs.
Loss on early extinguishment of debt for the year ended December 31, 2023 represents a premium paid for the early retirement $146.1 million of our Notes, accelerated amortization of debt discount and debt issuance costs and fees incurred in connection with the transaction.
Our capital expenditures were $491.7 million and $205.2 million for the years ended December 31, 2023 and December 31, 2022, respectively.
Our capital expenditures were $457.2 million and $491.7 million for the years ended December 31, 2024 and December 31, 2023, respectively.
While we expect inflation to continue to ease in the overall economy during 2024, we have not seen it easing in the coal mining industry and expect that inflation will continue to negatively impact our profitability, as we expect inflation to remain high for steel prices, freight rates, labor and other materials and supplies.
While inflation in the overall economy has eased in the last twelve months, we have not seen it easing significantly in the coal mining industry. We expect that inflation will continue to negatively impact our profitability, as we expect inflation to remain high for steel prices, freight rates, labor and other materials and supplies.
We expect this change to de-risk the single channel to market, lower operating cost and move volumes faster to the port. Warrior will also build and operate a barge loadout itself rather than utilizing a third-party provider.
We expect this change to de-risk the single channel to market, lower operating costs and move volumes faster to the port. We are also constructing and will operate a barge loadout ourselves rather than utilizing a third-party provider.
Sales were $1.6 billion for the year ended December 31, 2023, compared to $1.7 billion for the year ended December 31, 2022.
Sales were $1.5 billion for the year ended December 31, 2024, compared to $1.6 billion for the year ended December 31, 2023.
In the first quarter of 2022, we restarted operations at Mine No. 4. Due to the reduced operations at Mine No. 4 and Mine No. 7, we incurred idle mine expenses of $12.1 million and $33.9 million for the years ended December 31, 2022 and December 31, 2021, respectively.
In the first quarter of 2022, we restarted operations at Mine No. 4. Due to the reduced operations at Mine No. 4 and Mine No. 7, we incurred idle mine expense of $12.1 million for the year ended December 31, 2022.
The following table presents a reconciliation of Adjusted EBITDA to net income, the most directly comparable GAAP financial measure, on a historical basis for each of the periods indicated. 73 For the years ended December 31, 2023 2022 2021 (in thousands) Net income $ 478,629 $ 641,298 $ 150,881 Interest (income) expense, net (22,739) 18,995 $ 35,389 Income tax expense $ 72,790 141,806 49,096 Depreciation and depletion 127,356 115,279 141,418 Asset retirement obligation accretion and valuation adjustment (1) 4,535 1,941 3,427 Stock compensation expense (2) 18,300 17,621 9,370 Other non-cash accretion and valuation adjustments (3) 205 (5,344) 1,881 Non-cash mark-to-market loss on gas hedges (4) (1,227) 27,708 1,595 Loss on early extinguishment of debt (5) 11,699 — 9,678 Business interruption (6) 8,291 23,455 21,372 Idle mine (7) — 12,137 33,899 Other (expense) income (8) 1,027 (675) (998) Adjusted EBITDA $ 698,866 $ 994,221 $ 457,008 (1) Represents non-cash accretion expense and valuation adjustment associated with our asset retirement obligations (see Note 8 to our consolidated financial statements).
The following table presents a reconciliation of Adjusted EBITDA to net income, the most directly comparable GAAP financial measure, on a historical basis for each of the periods indicated. 74 For the years ended December 31, 2024 2023 2022 (in thousands) Net income $ 250,603 $ 478,629 $ 641,298 Interest (income) expense, net (28,776) (22,739) 18,995 Income tax expense 33,063 72,790 141,806 Depreciation and depletion 153,982 127,356 115,279 Asset retirement obligation accretion and valuation adjustment (1) 5,435 4,535 1,941 Stock compensation expense (2) 22,070 18,300 17,621 Other non-cash accretion and valuation adjustments (3) 9,114 205 (5,344) Non-cash mark-to-market loss (gain) on gas hedges (4) 1,835 (1,227) 27,708 Loss on early extinguishment of debt (5) — 11,699 — Business interruption (6) 524 8,291 23,455 Idle mine (7) — — 12,137 Other expense (income) (8) — 1,027 (675) Adjusted EBITDA $ 447,850 $ 698,866 $ 994,221 (1) Represents non-cash accretion expense and valuation adjustment associated with our asset retirement obligations (see Note 8 to our consolidated financial statements).
Some of the factors and assumptions, which will change from time to time, that impact mineral reserve and resource estimates include, among other factors: • mining activities; • new engineering and geological data; • acquisition or divestiture of reserve holdings; and • modification of mining plans or mining methods.
Some of the factors and assumptions, which will change from time to time, that impact mineral reserve and resource estimates include, among other factors: • mining activities; • new engineering and geological data; • acquisition or divestiture of reserve holdings; and • modification of mining plans or mining methods. 86 Each of these factors may vary considerably from the assumptions used in estimating reserves and resources.
Net cash provided by operating activities was $841.9 million for the year ended December 31, 2022, and was primarily attributed to net income of $641.3 million adjusted for depreciation and depletion expense of $115.3 million, deferred income tax expense of $141.8 million, stock-based compensation expense of $17.6 million, mark-to-market loss on gas hedges of $4.0 million, amortization of debt issuance costs and debt discount of $3.2 million, accretion expense and valuation adjustment of asset retirement obligations of $1.9 million, an increase in other operating activities of $0.8 million and an increase in net 79 working capital of $84.0 million.
Net cash provided by operating activities was $367.4 million for the year ended December 31, 2024, and was primarily attributed to net income of $250.6 million adjusted for depreciation and depletion expense of $154.0 million, stock-based compensation expense of $22.1 million, accretion and valuation adjustment of asset retirement obligations of $5.4 million, deferred income tax benefit of $8.1 million, mark-to-market loss on gas hedges of $1.8 million, amortization of debt issuance costs and debt discount of $1.6 million and an increase in net working capital of $55.2 million.
Each of these factors may vary considerably from the assumptions used in estimating reserves and resources. For these reasons, estimates of economically recoverable quantities of coal attributable to a particular group of properties, and 86 classifications of these reserves and resources based on risk of recovery and estimates of future net cash flows, may vary substantially.
For these reasons, estimates of economically recoverable quantities of coal attributable to a particular group of properties, and classifications of these reserves and resources based on risk of recovery and estimates of future net cash flows, may vary substantially.
As of December 31, 2023, we had estimated reserves totaling 159.1 million metric tons and estimated mineral resources exclusive of reserves of 39.7 million metric tons.
As of December 31, 2024, we had estimated reserves totaling 157.8 million metric tons and estimated mineral resources exclusive of reserves of 39.7 million metric tons.
Cost of other revenues was $37.5 million for the year ended December 31, 2023, compared to $27.0 million for the year ended December 31, 2022.
Cost of other revenues was $45.4 million for the year ended December 31, 2024, compared to $37.5 million for the year ended December 31, 2023.
Capital Expenditures Our mining operations require investments to maintain, expand, upgrade or enhance our operations and to comply with environmental regulations. Maintaining and expanding mines and related infrastructure is capital intensive. Specifically, the exploration, permitting and development of steelmaking coal reserves, mining costs, the maintenance of machinery and equipment and compliance with applicable laws and regulations require ongoing capital expenditures.
Maintaining and expanding mines and related infrastructure is capital intensive. Specifically, the exploration, permitting and development of steelmaking coal reserves, mining costs, the maintenance of machinery and equipment and compliance with applicable laws and regulations require ongoing capital expenditures.
The $3.0 million increase in selling, general and administrative expenses is primarily driven by an increase in employee related expenses. 76 Business interruption expenses were $8.3 million, 0.5% of total revenues for the year ended December 31, 2023, compared to $23.5 million, or 1.3% of total revenues for the year ended December 31, 2022.
Selling, general and administrative expenses were $63.1 million, or 4.1% of total revenues for the year ended December 31, 2024 compared to $51.8 million, or 3.1% of total revenues for the year ended December 31, 2023. The $11.3 million increase in selling, general and administrative expenses is primarily driven by an increase in employee related expenses.
The Company's principal contractual commitments include repayments of long-term debt and related interest, potential minimum throughput payments associated with our rail and port providers, asset retirement obligation payments, black lung obligation payments, payments on various coal and land leases, payments under financing lease obligations and payments 78 associated with our natural gas swap contracts.
However, we will continue to assess our liquidity needs in light of the current weakness in steelmaking coal prices. 79 The Company's principal contractual commitments include repayments of long-term debt and related interest, potential minimum throughput payments associated with our rail and port providers, asset retirement obligation payments, black lung obligation payments, payments on various coal and land leases, payments under financing lease obligations and payments associated with our natural gas swap contracts.
As of December 31, 2023, we believe we have utilized all of our federal NOLs and federal general business credit carryforwards, subject to the filing of the 2023 federal income tax return. The Company has state NOL carryforwards of approximately $928.2 million, which expire predominantly on December 31, 2029 through December 31, 2034.
As of December 31, 2024, we believe we have utilized all of our federal NOLs and federal general business credit carryforwards. The Company has state NOL carryforwards of approximately $945.2 million , which expire predominantly on December 31, 2029 through December 31, 2035.
We incurred business interruption expenses of approximately $8.3 million, $23.5 million and $21.4 million for the years ended December 31, 2023, December 31, 2022, and December 31, 2021, respectively, which represent non-recurring expenses that were directly attributable to the labor strike for incremental safety and security, labor negotiations and other expenses.
We incurred $8.3 million and $23.5 million for the years ended December 31, 2023 and December 31, 2022, respectively, which represent non-recurring expenses that were directly attributable to the labor strike for incremental safety and security, labor negotiations and other expenses. These expenses are also presented separately in the Statements of Operations.
As of December 31, 2023, no loans were outstanding under the ABL Facility and there were $8.7 million of letters of credit issued and outstanding under the ABL Facility. At December 31, 2023, the Company had $107.4 million of availability under the ABL Facility.
As of December 31, 2024, no loans were outstanding under the ABL Facility and there were $2.5 million of letters of credit issued and outstanding under the ABL Facility. At December 31, 2024, the Company had $113.5 million of availability under the ABL Facility.
In connection with the payments for the RP Pro-Rated Tendered Notes and the TO Pro-Rated Tendered Notes, we recognized a loss on early extinguishment of debt of $11.7 million during the year ended December 31, 2023. 83 Short-Term Investments During the year ended December 31, 2023, we had $9.0 million of collateral recognized as short term investments.
We consummated the Tender Offer on September 11, 2023. In connection with the payments for the RP Pro-Rated Tendered Notes and the TO Pro-Rated Tendered Notes, we recognized a loss on early extinguishment of debt of $11.7 million during the year ended December 31, 2023.
As of December 31, 2023, Mine No. 4 and Mine No. 7, our two operating mines, had approximately 82.9 million metric tons of recoverable reserves and our undeveloped Blue Creek mine contained 67.6 million metric tons of recoverable reserves and 39.7 million metric tons of coal resources exclusive of reserves, which total 107.3 million metric tons.
As of December 31, 2024, Mine No. 4 and Mine No. 7, our two operating mines, had approximately 82.4 million metric tons of recoverable reserves and our Blue Creek mine contained 69.0 million metric tons of recoverable reserves and 39.7 million metric tons of coal resources exclusive of reserves.
The $59.6 million decrease in sales was primarily driven by a $635.9 million decrease related to a $93.25 decrease in the average net selling price per metric ton of steelmaking coal offset partially by a $576.3 million increase due to a 34% or 1.7 million metric ton increase in steelmaking coal sales volume.
The $148.0 million or 9.0% decrease in sales was primarily driven by a $248.2 million decrease related to a $34.32 decrease in the average net selling price per metric ton of steelmaking coal offset partially by a $100.3 million increase due to a 6% or 0.4 million metric ton increase in steelmaking coal sales volume.
Net cash used in investing activities was $255.1 million for the year ended December 31, 2022, primarily comprised of $205.2 million of purchases of property, plant and equipment and $48.9 million of capitalized mine development costs associated with our Mine No. 4 and Blue Creek development.
Investing Activities Net cash used in investing activities was $538.0 million for the year ended December 31, 2024, primarily comprised of $457.2 million of purchases of property, plant and equipment, $31.1 million of capitalized mine development costs associated with our Blue Creek development and the purchase of $49.7 million in investments.
For the years ended December 31, 2023 2022 2021 (in thousands) Segment Adjusted EBITDA $ 737,723 $ 996,974 $ 474,001 Metric tons sold 6,820 5,099 5,699 Metric tons produced 6,936 5,729 5,084 Average net selling price per metric ton $ 241.64 $ 334.89 $ 180.43 Cash cost of sales per metric ton $ 132.60 $ 138.35 $ 96.43 Adjusted EBITDA $ 698,866 $ 994,221 $ 457,008 71 Segment Adjusted EBITDA We define Segment Adjusted EBITDA as net income adjusted for other revenues, cost of other revenues, depreciation and depletion, selling, general and administrative expenses, business interruption expenses, idle mine expenses, loss on early extinguishment of debt, other (expense) income, net interest (income) expense, income tax expense and certain transactions or adjustments that the CEO, our Chief Operating Decision Maker does not consider for the purposes of making decisions to allocate resources among segments or assessing segment performance.
These metrics are significant factors in assessing our operating results and profitability and include: (i) Segment Adjusted EBITDA; (ii) sales volumes and average selling price, which drive coal sales revenue; (iii) cash cost of sales, a non-GAAP financial measure; and (iv) Adjusted EBITDA, a non-GAAP financial measure. 72 For the years ended December 31, 2024 2023 2022 (in thousands) Segment Adjusted EBITDA $ 492,683 $ 737,723 $ 996,974 Metric tons sold 7,235 6,820 5,099 Metric tons produced 7,482 6,936 5,729 Average net selling price per metric ton $ 207.32 $ 241.64 $ 334.89 Cash cost of sales per metric ton $ 138.10 $ 132.60 $ 138.35 Adjusted EBITDA $ 447,850 $ 698,866 $ 994,221 Segment Adjusted EBITDA We define Segment Adjusted EBITDA as net income adjusted for other revenues, cost of other revenues, depreciation and depletion, selling, general and administrative expenses, business interruption expenses, idle mine expenses, loss on early extinguishment of debt, other (expense) income, net interest (income) expense, income tax expense and certain transactions or adjustments that the CEO, our Chief Operating Decision Maker does not consider for the purposes of making decisions to allocate resources among segments or assessing segment performance.
The $12.1 million increase in depreciation and depletion is primarily driven by a 34% or 1.7 million metric ton increase in steelmaking coal sales volumes as depreciation and depletion is first capitalized into coal inventory and relieved when the tons are sold.
The $26.6 million increase in depreciation and depletion is primarily driven by additional assets placed in service throughout the year and a 6% or 0.4 million metric ton increase in steelmaking coal sales volumes as depreciation and depletion is first capitalized into coal inventory and relieved when the tons are sold.
For the year ended December 31, 2023, the Company's geographic customer mix was 48% in Europe, 29% in Asia, 21% in South America and 2% in the U.S. For the year ended December 31, 2022, the Company's geographic customer mix was 61% in Europe, 20% in Asia and 19% in South America.
For the year ended December 31, 2024, the Company's geographic customer mix was 42% in Asia, 38% in Europe, 19% in South America and 1% in the U.S. For the year ended December 31, 2023, the Company's geographic customer mix was 48% in Europe, 33% in Asia and 19% in South America.
The increase in our working capital was primarily attributable to an increase in inventories and trade accounts receivable offset partially by an increase in accrued expenses and other current liabilities.
The increase in our working capital was primarily attributable to increases in trade accounts receivable, inventories and prepaid expenses partially offset by decreases to income tax receivable and other receivables.
Our ability to fund our capital needs, including the development of Blue Creek, going forward will depend on our ongoing ability to generate cash from operations and borrowing availability under the ABL Facility, and, in the case of any future strategic investments, capital needs, the development of Blue Creek, or special dividends financed partially or wholly with debt financing and our ability to access the capital markets to raise additional capital. 77 Our ability to generate positive cash flow from operations in the future will be, at least in part, dependent on continued stable global economic conditions and a resolution of the CBA contract negotiations with the labor union representing certain of our hourly employees.
Our ability to fund our capital needs, including the development of Blue Creek, going forward will depend on our ongoing ability to generate cash from operations and borrowing availability under the ABL Facility, and, in the case of any future strategic investments, capital needs, the development of Blue Creek, or special dividends financed partially or wholly with debt financing and our ability to access the capital markets to raise additional capital.
The 34% increase in sales volumes was driven by increased production due to both Mine No. 4 and Mine No. 7 operating at higher capacity levels combined with improved performance by our rail transportation provider and the McDuffie Terminal.
The 6% increase in sales volumes was driven by increased production due to both Mine No. 4 and Mine No. 7 operating at higher capacity levels.
Other expense for the year ended December 31, 2023 represents non-recurring expenses incurred in connection with the ransomware attack discovered by the Company on July 29, 2023 and proceeds received from the Chapter 11 Cases (as defined below) from Walter Energy, Inc. We do not anticipate any additional material expenses in the future related to this ransomware incident.
Other expense for the year ended December 31, 2023 represents non-recurring expenses incurred in connection with the ransomware attack discovered by the Company on July 29, 2023 offset partially by proceeds received from the chapter 11 cases from Walter Energy, Inc.
These NOLs represent a deferred tax asset of approximately $6.9 million, net of the valuation allowance. See Note 7 of the Notes to the Financial Statements for more information.
At December 31, 2024, we had state NOLs of approximately $945.2 million. These NOLs represent a deferred tax asset of approximately $4.1 million, net of the valuation allowance. See Note 7 of the Notes to the Financial Statements for more information.
Interest expense was $18.0 million, or 1.1%, of total revenues, for the year ended December 31, 2023, compared to $31.4 million, or 1.8% of total revenues, for the year ended December 31, 2022. The $13.5 million decrease is due to the retirement of debt of $162.4 million.
Interest expense was $4.3 million, or 0.3%, of total revenues, for the year ended December 31, 2024, compared to $18.0 million, or 1.1% of total revenues, for the year ended December 31, 2023.
Update on the Development of Blue Creek More than a year after the relaunch of the Blue Creek mine development in May 2022, Warrior has initiated important and highly beneficial project scope changes that will require incremental capital expenditures over the life of the project while lowering operating costs, increasing flexibility to manage risks, and making better use of multi-channel transportation methods.
Also, in 2023, we initiated important and highly beneficial project scope changes that we expect will require incremental capital expenditures over the life of the project while lowering operating costs, increasing flexibility to manage risks, and making better use of multi-channel transportation methods.
Interest income was $40.7 million, or 2.4% of total revenues, for the year ended December 31, 2023, compared to $12.4 million, or 0.7% of total revenues, for the year ended December 31, 2022. The $28.3 million increase was primarily driven by an increase in yields earned on cash investments.
Interest income was $33.0 million, or 2.2% of total revenues, for the year ended December 31, 2024, compared to $40.7 million, or 2.4% of total revenues, for the year ended December 31, 2023. The $7.7 million decrease was primarily driven by a decrease in invested cash balances and lower rates of return earned on our investments.
Our capital spending is expected to range from $435.0 million to $500.0 million for the full year 2024, consisting of sustaining capital expenditures of approximately $100.0 to $110.0 million and discretionary capital expenditures of approximately $335.0 to $390.0 million for the development of Blue Creek reserves and Mine No. 4.
Our capital spending is expected to range from $315.0 million to $350.0 million for the full year 2025, consisting of sustaining capital expenditures of approximately $90.0 to $100.0 million and discretionary capital expenditures of approximately $225.0 to $250.0 million for the development of Blue Creek.
These expenses are reported separately in the Statements of Operations and represent expenses incurred while the respective mine was idled or operating below normal capacity, such as electricity, insurance and maintenance labor.
This expense is reported separately in the Statements of Operations and represents expenses incurred while the respective mine was idled or operating below normal capacity, such as electricity, insurance and maintenance labor. We incurred no idle mine expenses for the years ended December 31, 2023 or December 31, 2024.
During 2023, we spent approximately $91.7 million in sustaining capital and an additional $400.0 million in other discretionary capital, which primarily included capital spent on the development of Blue Creek of $319.1 million, final payments on two extra sets of longwall shields of $50.9 million and capital spent on the bunker at Mine No. 4 of $24.5 million.
During 2024, we spent approximately $87.0 million in sustaining capital and an additional $370.0 million in other discretionary capital, which primarily included capital spent on the development of Blue Creek of $350.5 million, capital spent on the bunker at Mine No. 4 of $17.2 million and other discretionary capital of $2.5 million.
The $199.7 million increase in cost of sales was primarily driven by a $238.1 million increase due to a 34% or 1.7 million metric ton increase in steelmaking coal sales volumes offset partially by a $39.2 million decrease due to a $5.75 per metric ton decrease in the average cash cost of sales per metric ton.
The $97.0 million increase in cost of sales was primarily driven by a $55.0 million increase due to a 6% or 0.4 million metric ton increase in steelmaking coal sales volumes combined with a $39.8 million increase due to a $5.50 per metric ton increase in the average cash cost of sales per metric ton.
The discounts to par value and the interest expense savings from this open-market purchase is estimated to be approximately $4.0 million through the maturity of our Notes. In connection with the extinguishment of our Notes, we recognized a loss on early extinguishment of debt of $0.1 million which is included in interest income (expense), net in the Statements of Operations.
In connection with the extinguishment of our Notes, we recognized a loss on early extinguishment of debt of $0.1 million which is included in interest expense in the Statements of Operations.
(5) Represents a loss incurred in connection with the early extinguishment of debt (see Note 13 to our consolidated financial statements). (6) Represents business interruption expenses associated with the UMWA strike. (7) Represents idle mine expenses incurred in connection with reduced operations at Mine No 4 and Mine No. 7.
(5) Represents a loss incurred in connection with the early extinguishment of debt (see Note 13 to our consolidated financial statements).
Similarly, if alternative ingredients are used in substitution for steelmaking coal in the integrated steel mill process, the demand for steelmaking coal would materially decrease, which could also materially adversely affect demand for our steelmaking coal. Recent Developments U.S. inflation remains at 3.4%, driven by increased energy and food costs, supply constraints and strong consumer demand.
Similarly, if alternative ingredients are used in substitution for steelmaking coal in the integrated steel mill process, the demand for steelmaking coal would materially decrease, which could also materially adversely affect demand for our steelmaking coal.
Beginning on June 1, 2018 through May 31, 2020, we had a deductible policy where we are responsible for the first $0.5 million for each black lung claim. Since June 1, 2020, we have a deductible policy where we are responsible for the first $1.0 million for each black lung claim.
From June 1, 2018 to May 31, 2020 and June 1, 2020 to May 31, 2024, the Company had a deductible policy where the Company was responsible for the first $0.5 million and $1.0 million, respectively, for each black lung claim from any of our employees.
We spent approximately $87.1 million in sustaining capital and spent an additional $118.1 million in other discretionary capital, which primarily included deposits on two extra sets of longwall shields of $55.3 million and capital spent on the development of Blue Creek of $47.1 million and the portal facilities at Mine No. 4 of $15.7 million.
We spent approximately $87.0 million in sustaining capital and spent an additional $370.0 million in other discretionary capital, which primarily included capital spent on the development of Blue Creek of $350.5 million, capital spent on the bunker at Mine No. 4 of $17.2 million and capital spent on the Mine No. 7 overland belt of $2.5 million.