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Long-term debt is summarized below:

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On  January 29, 2024, the Company entered into Amendment No. 3 to the Credit Agreement, which modifies the minimum required Leverage Ratio (as defined in the Credit Agreement) of the Company, which is measured as of the last day of each Reference Period (as defined in the Credit Agreement), from 3.50 to 1.00 for each Reference Period to (i) 3.50 to 1.00 for each Reference Period ending on or prior to  September 30, 2023, (ii) 4.25 to 1.00 for the Reference Period ending on  December 31, 2023, (iii) 4.00 to 1.00 for each Reference Period ending on  March 31, 2024 and  June 30, 2024, and (iv) 3.50 to 1.00 for each Reference Period ending on  September 30, 2024 and thereafter. Deferred financing costs of $279 relating to entry into Amendment No. 3 are being amortized over the term of the loan. On January 5, 2023, the Company entered into that certain Amendment No. 1 to Credit Agreement and Revolving Credit Commitment Increase Supplement (“Amendment No. 1”) by and among the Company, the Borrowers, the financial institutions listed in Amendment No. 1 as lenders, and JPMorgan Chase Bank, N.A., as administrative agent, which amended the Credit Agreement, dated as of  June 9, 2021 (as amended by Amendment No. 1, the “Credit Agreement”), and pursuant to which, among other things, (i) the Revolving Loan Borrowers exercised a portion of the Revolving Commitment Increase Option (as defined below) and increased the revolving commitment under the Credit Agreement by $50,000 for a total of $150,000 in the aggregate and (ii) the London Interbank Offered Rate pricing option under the Credit Agreement was replaced with a Term SOFR Rate pricing option. Deferred financing costs of $334 relating to entry into Amendment No. 1 are being amortized over the term of the loan. On July 11, 2023, the Company entered into Amendment No. 2 to the Credit Agreement, which allows the Company to take out loans of up to $1,000 against its corporate-owned life insurance policies as included in Non-qualified benefit plan assets on the Condensed Consolidated Balance Sheets. Pursuant to Amendment No. 2, the Company had outstanding loans of $546 and $750 against its corporate-owned life insurance policies as of March 31, 2024 and December 31, 2023, respectively, included in Other long-term liabilities on the Condensed Consolidated Balance Sheets.  

The Company is required to pay a fee for unused amounts under the senior secured revolving facility in an amount ranging from 0.150% to 0.300% of the average daily unused portion of the senior secured revolving credit facility, depending on Douglas Dynamics, L.L.C.'s ("DDI LLC") Leverage Ratio (as defined in the Credit Agreement). The Credit Agreement provides that the senior secured term loan facility will bear interest at (i) the Term SOFR Rate for the applicable interest period plus (ii) a margin ranging from 1.375% to 2.00%, depending on the DDI LLC’s Leverage Ratio. The Credit Agreement provides that the Revolving Loan Borrowers have the option to select whether the senior secured revolving credit facility borrowings will bear interest at either (i)(a) the Term SOFR Rate for the applicable interest period plus (b) 0.10% plus (c) a margin ranging from 1.375% to 2.00%, depending on DDI LLC’s Leverage Ratio, or (ii) a margin ranging from 0.375% to 1.00% per annum, depending on DDI LLC’s Leverage Ratio, plus the greatest of (which if the following would be less than 1.00%, such rate shall be deemed to be 1.00%) (a) the Prime Rate (as defined in the Credit Agreement) in effect on such day, (b) the NYFRB Rate (as defined in the Credit Agreement) plus 0.50% and (c) the Term SOFR Rate for a one month interest plus 0.10% (the “Adjusted Term SOFR Rate”). If the Adjusted Term SOFR Rate for the applicable interest period is less than zero, such rate shall be deemed to be zero for purposes of calculating the foregoing interest rates in the Credit Agreement.

Following Amendment No. 1, the Credit Agreement provides for a senior secured term loan in the amount of $225,000 and a senior secured revolving credit facility in the amount of $150,000, of which $10,000 will be available in the form of letters of credit and $15,000 will be available for the issuance of short-term swingline loans. The Credit Agreement also allows the Company to request increases to the revolving commitments and/or incremental term loans in an aggregate amount not in excess of $175,000 (the "Revolving Commitment Increase Option"), subject to specified terms and conditions. The final maturity date of the Credit Agreement is June 9, 2026. 

At March 31, 2024, the Company had outstanding borrowings under its term loan of $189,441, $55,000 in outstanding borrowings on its revolving credit facility, and remaining borrowing availability of $94,450. At December 31, 2023, the Company had outstanding borrowings under its term loan of $189,413, $47,000 in outstanding borrowings on its revolving credit facility, and remaining borrowing availability of $102,450. During the year ended December 31, 2023 the Company made a voluntary pre-payment of $10,000 of debt amortization principal payments under the Company's Credit Agreement. 

The Credit Agreement includes customary representations, warranties and negative and affirmative covenants, as well as customary events of default and certain cross default provisions that could result in acceleration of the Credit Agreement. In addition, as a result of the modifications to the minimum required Leverage Ratio under Amendment No. 3 to the Credit Agreement as discussed above, the Credit Agreement requires the Company to have a Leverage Ratio of (i) 3.50 to 1.00 for each Reference Period ending on or prior to  September 30, 2023, (ii) 4.25 to 1.00 for the Reference Period ending on  December 31, 2023, (iii) 4.00 to 1.00 for each Reference Period ending on  March 31, 2024 and  June 30, 2024, and (iv) 3.50 to 1.00 for each Reference Period ending on  September 30, 2024 and thereafter, and to have a Consolidated Interest Coverage Ratio (as defined in the Credit Agreement) of not less than 3.00 to 1.00 as of the last day of any fiscal quarter commencing with the fiscal quarter ending June 30, 2021. As of  March 31, 2024, the Company was in compliance with the respective covenants under the Credit Agreement.

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On June 13, 2019, the Company entered into an interest rate swap agreement to reduce its exposure to interest rate volatility. The interest rate swap has a notional amount of $175,000 effective for the period May 31, 2019 through May 31, 2024. The Company may have counterparty credit risk resulting from the interest rate swap, which it monitors on an on-going basis. The risk lies with one global financial institution. Under the interest rate swap agreement, the Company will either receive or make payments on a monthly basis based on the differential between 2.424% and SOFR. The interest rate swap was previously accounted for as a cash flow hedge. During the first quarter of 2020, the swap was determined to be ineffective. As a result, the swap was dedesignated on March 19, 2020, and the remaining losses included in Accumulated other comprehensive income (loss) on the Condensed Consolidated Balance Sheets would be amortized into interest expense on a straight-line basis through the life of the swap. The amount amortized from Accumulated other comprehensive income (loss) into earnings during the three months ended March 31, 2024 and 2023 was ($291) and ($291), respectively. A mark-to-market adjustment of $119 and $119 was recorded as Interest expense in the Condensed Consolidated Statements of Operations and Comprehensive Loss for the three months ended  March 31, 2024 and 2023, respectively, related to the swap. 

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On June 9, 2021, in conjunction with entering into the Credit Agreement described above, the Company re-designated its swap. As a result, the swap will be recorded at fair value with changes recorded in Accumulated other comprehensive income (loss). The amortization from Accumulated other comprehensive income (loss) into earnings from the previous dedesignation has been adjusted as of June 9, 2021 to include the de-recognition of previously recognized mark-to-market gains and the amortization of the off-market component as of the re-designation date, and will continue to be recognized through the life of the swap. The amount expected to be amortized from Accumulated other comprehensive income (loss) into earnings in the next twelve months is $115.

On May 19, 2022, the Company entered into an interest rate swap agreement to further reduce its exposure to interest rate volatility. The interest rate swap has a notional amount of $125,000 effective for the period May 31, 2024 through June 9, 2026. The Company may have counterparty credit risk resulting from the interest rate swap, which it monitors on an on-going basis. The risk lies with two global financial institutions. Under the interest rate swap agreement, the Company will either receive or make payments on a monthly basis based on the differential between 2.718% and SOFR. The interest rate swap is accounted for as a cash flow hedge.

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The interest rate swaps' positive fair value at March 31, 2024 was $4,718, of which $3,058 and $1,660 are included in Prepaid and other current assets and Other long-term assets on the Condensed Consolidated Balance Sheet, respectively.  The interest rate swaps' positive fair value at  December 31, 2023 was $4,033, of which $3,174 and $859 are included in Prepaid and other current assets and Other long-term assets on the Condensed Consolidated Balance Sheet, respectively.