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Long-Term Debt | 12 Months Ended
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Dec. 31, 2024
Debt Disclosure [Abstract] |
Long-Term Debt | Long-Term Debt: Long-term debt consisted of the following at December 31, 2024 and 2023 (in thousands):
| December 31,
| 2024 |  | 2023
1.125% notes due 2025 | $ | 393,346 |  |  | $ | 416,501 |
1.625% notes due 2028 | 521,500 |  |  | 552,200 |
3.45% Senior notes due 2029 | 171,612 |  |  | 171,612 |
4.65% Senior notes due 2027 | 650,000 |  |  | 650,000 |
5.05% Senior notes due 2032 | 600,000 |  |  | 600,000 |
5.45% Senior notes due 2044 | 350,000 |  |  | 350,000 |
5.65% Senior notes due 2052 | 450,000 |  |  | 450,000 |
Commercial paper notes | — |  |  | 620,000 |
Interest-free loan | 300,000 |  |  | 300,000 |
Variable-rate foreign bank loans | 27,477 |  |  | 30,197 |
Finance lease obligations | 118,796 |  |  | 110,245 |
Other | 22,000 |  |  | 22,000 |
Unamortized discount and debt issuance costs | (88,566) |  |  | (105,992) |
Total long-term debt | 3,516,165 |  |  | 4,166,763 |
Less amounts due within one year | 398,023 |  |  | 625,761 |
Long-term debt, less current portion | $ | 3,118,142 |  |  | $ | 3,541,002 |
Aggregate annual maturities of long-term debt as of December 31, 2024 are as follows (in millions): 2025—$398.5; 2026—$60.0; 2027—$710.0; 2028—$581.5; 2029—$231.6; thereafter—$1,623.1. 2022 Notes On May 13, 2022, the Company issued a series of notes (collectively, the “2022 Notes”) as follows: •$650.0 million aggregate principal amount of senior notes, bearing interest at a rate of 4.65% payable semi-annually on June 1 and December 1 of each year, beginning on December 1, 2022. The effective interest rate on these senior notes is approximately 4.84%. These senior notes mature on June 1, 2027. •$600.0 million aggregate principal amount of senior notes, bearing interest at a rate of 5.05% payable semi-annually on June 1 and December 1 of each year, beginning on December 1, 2022. The effective interest rate on these senior notes is approximately 5.18%. These senior notes mature on June 1, 2032. •$450.0 million aggregate principal amount of senior notes, bearing interest at a rate of 5.65% payable semi-annually on June 1 and December 1 of each year, beginning on December 1, 2022. The effective interest rate on these senior notes is approximately 5.71%. These senior notes mature on June 1, 2052. The net proceeds from the issuance of the 2022 Notes were used to repay the balance of the commercial paper notes, the remaining balance of $425.0 million of the 4.15% Senior Notes due 2024 (the “2024 Notes”) and for general corporate purposes. The 2024 Notes were originally due to mature on December 15, 2024 and bore interest at a rate of 4.15%. During the year ended December 31, 2022, the Company recorded a loss on early extinguishment of debt of $19.2 million in Interest and financing expenses, representing the tender premiums, fees, unamortized discounts and unamortized deferred financing costs from the redemption of the 2024 Notes. In addition, the loss on early extinguishment of debt includes the accelerated amortization of the interest rate swap associated with the 2024 Notes from Accumulated other comprehensive loss. 2019 Notes The Company has the following outstanding series of notes originally issued on November 25, 2019 (collectively, the “2019 Notes”) as follows: •€377.1 million aggregate principal amount of notes, bearing interest at a rate of 1.125% payable annually on November 25 of each year, beginning in 2020. The effective interest rate on these notes is approximately 1.30%. These notes mature on November 25, 2025. •€500.0 million aggregate principal amount of notes, bearing interest at a rate of 1.625% payable annually on November 25 of each year, beginning in 2020. The effective interest rate on these notes is approximately 1.74%. These notes mature on November 25, 2028. •$171.6 million aggregate principal amount of senior notes, bearing interest at a rate of 3.45% payable semi-annually on May 15 and November 15 of each year, beginning in 2020. The effective interest rate on these senior notes is approximately 3.58%. These senior notes mature on November 15, 2029. 2014 Senior Notes We currently have outstanding $350.0 million aggregate principal amount of senior notes issued on November 24, 2014, bearing interest at a rate of 5.45% payable semi-annually on June 1 and December 1 of each year, beginning June 1, 2015. The effective interest rate on these senior notes is approximately 5.50%. These senior notes mature on December 1, 2044. On January 22, 2014, we entered into a pay fixed, receive variable rate forward starting interest rate swap, with a notional amount of $325.0 million, with J.P. Morgan Chase Bank, N.A., to be effective October 15, 2014. Our risk management objective and strategy for undertaking this hedge was to eliminate the variability in the interest rate and partial credit spread on the 20 future semi-annual coupon payments that were to be paid in connection with the 2024 Notes. On October 15, 2014, the swap was settled, resulting in a payment to the counterparty of $33.4 million. This amount was recorded in Accumulated other comprehensive loss and was to be amortized to interest expense over the life of the 2024 Notes. As noted above, the 2024 Notes were repaid in the second quarter of 2022, and as a result, the unamortized balance of this interest rate swap was reclassified to interest expense during the same period as part of the early extinguishment of debt. Credit Agreements Given economic conditions, specifically around the market pricing of lithium, and the related anticipated impact on the Company’s future earnings, on October 31, 2024 the Company further amended its revolving, unsecured amended and restated credit agreement dated October 28, 2022, as previously amended on February 9, 2024 (the “2022 Credit Agreement”), which provides for borrowings of up to $1.5 billion and matures on October 28, 2027. Borrowings under the 2022 Credit Agreement bear interest at variable rates based on a benchmark rate depending on the currency in which the loans are denominated, plus an applicable margin which ranges from 0.910% to 1.375%, depending on the Company’s credit rating from Standard & Poor’s Ratings Services LLC (“S&P”), Moody’s Investors Services, Inc. (“Moody’s”) and Fitch Ratings, Inc. (“Fitch”). With respect to loans denominated in U.S. dollars, interest is calculated using the term Secured Overnight Financing Rate (“SOFR”) plus a term SOFR adjustment of 0.10%, plus the applicable margin. The applicable margin on the facility was 1.20% as of December 31, 2024. There were no borrowings outstanding under the 2022 Credit Agreement as of December 31, 2024. Borrowings under the 2022 Credit Agreement are conditioned upon satisfaction of certain customary conditions precedent, including the absence of defaults. The October 2024 amendment was entered into to modify the financial covenants under the 2022 Credit Agreement to avoid a potential covenant violation through June 2026 given the market pricing of lithium. The amended 2022 Credit Agreement subjects the Company to two financial covenants, as well as customary affirmative and negative covenants. The amended first financial covenant requires that the ratio of (a) (i) the Company’s consolidated net funded debt plus a proportionate amount of Windfield’s net funded debt less (ii) the Company’s unrestricted cash and cash equivalents plus a proportionate amount of Windfield’s unrestricted cash and cash equivalents (up to a specified amount) to (b) consolidated Windfield-Adjusted EBITDA (as such terms are defined in the 2022 Credit Agreement) be less than or equal to: (i) 4.00:1.0 as of the end of the fourth quarter of 2024, (ii) 4.75:1.0 as of the end of the first quarter of 2025, (iii) 5.75:1.0 as of the end of the second quarter of 2025, (iv) 5.50:1.0 as of the end of the third quarter of 2025, (v) 5.00:1.0 as of the end of the fourth quarter of 2025 (vi) 4.75:1.0 as of the end of the first and the second quarters of 2026, respectively and (vii) 3.50:1.0 as of the end of the third quarter of 2026 and each fiscal quarter thereafter through the third quarter of 2027. The maximum permitted leverage ratios described above are subject to adjustment in accordance with the terms of the 2022 Credit Agreement upon the consummation of an acquisition after June 30, 2026 if the consideration includes cash proceeds from issuance of funded debt in excess of $500 million. The amended second financial covenant requires that, beginning as of the end of the fourth quarter of 2024, the ratio of the Company’s consolidated EBITDA to consolidated interest charges (as such terms are defined in the 2022 Credit Agreement) be no less than (i) 1.00:1.0 as of the end of each fiscal quarter through the second quarter of 2025, (ii) 2.00:1.0 as of the end of the third quarter of 2025, (iii) 2.50:1.0 as of the end of the fourth quarter of 2025, and (iv) 3.00:1.0 as of the end of each fiscal quarter thereafter. The 2022 Credit Agreement also contains customary default provisions, including defaults for non-payment, breach of representations and warranties, insolvency, non-performance of covenants and cross-defaults to other material indebtedness. The occurrence of an event of default under the 2022 Credit Agreement could result in all loans and other obligations becoming immediately due and payable and the commitments under the 2022 Credit Agreement being terminated. Following the $2.2 billion issuance of mandatory convertible preferred stock in March 2024 and the amendments to the financial covenants, the Company expects to maintain compliance with the amended financial covenants for the next twelve months. In addition to the amended covenants, the Company has introduced additional cost reduction plans to further reduce operating expenses and capital investments, as discussed in Note 17, “Restructuring Charges and Asset Write-offs.” No assurances can be given that any additional cost reduction strategies undertaken will be sufficient to meet the amended financial covenants. Further, a significant and extended downturn in lithium market prices or demand could impact the Company’s ability to maintain compliance with its amended financial covenants and it could require the Company to seek additional amendments to the 2022 Credit Agreement and/or issue debt or equity securities to fund its activities and maintain financial flexibility. If the Company were unable to obtain such necessary additional amendments, this could lead to an event of default and its lenders could require the Company to repay its outstanding debt. In that situation, the Company may not be able to raise sufficient debt or equity capital, or divest assets, to refinance or repay the lenders. Commercial Paper Notes On May 29, 2013, we entered into agreements to initiate a commercial paper program on a private placement basis under which we may issue unsecured commercial paper notes (the “Commercial Paper Notes”) from time-to-time. On May 17, 2023, we entered into definitive documentation to increase the size of our existing commercial paper program. The maximum aggregate face amount of Commercial Paper Notes outstanding at any time is $1.5 billion. The proceeds from the issuance of the Commercial Paper Notes are expected to be used for general corporate purposes, including the repayment of other debt of the Company. The 2022 Credit Agreement is available to repay the Commercial Paper Notes, if necessary. Aggregate borrowings outstanding under the 2022 Credit Agreement and the Commercial Paper Notes will not exceed the $1.5 billion current maximum amount available under the 2022 Credit Agreement. The Commercial Paper Notes will be sold at a discount from par, or alternatively, will be sold at par and bear interest at rates that will vary based upon market conditions at the time of issuance. The maturities of the Commercial Paper Notes will vary but may not exceed 397 days. During the year ended December 31, 2024, we repaid a net amount of $620.0 million of commercial paper notes using the net proceeds received from the issuance of mandatory convertible preferred stock. See Note 16, “Equity,” for additional information. Other In the second quarter of 2023, the Company received a loan of $300.0 million to be repaid in five equal annual installments beginning on December 31, 2026. This interest-free loan was discounted using an imputed interest rate of 5.53% and the Company will amortize that discount through Interest and financing expenses over the term of the loan. We have additional uncommitted credit lines with various U.S. and foreign financial institutions that provide for borrowings of up to approximately $182.2 million at December 31, 2024. Outstanding borrowings under these agreements were $27.5 million and $30.2 million at December 31, 2024 and 2023, respectively. The average interest rate on borrowings under these agreements during 2024, 2023 and 2022 was approximately 0.3%. At December 31, 2024 and 2023, we had the ability and intent to refinance our borrowings under our other existing credit lines with borrowings under the 2022 Credit Agreement. Therefore, the amounts outstanding under those credit lines, if any, are classified as long-term debt at December 31, 2024 and 2023. At December 31, 2024, we had the ability to borrow a total of $1.5 billion under our commercial paper program and the Credit Agreements. We believe that as of December 31, 2024, we were, and currently are, in compliance with all of our debt covenants.

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