Material Agreement (Form 8-K)

Item 1.01Entry into a Material Definitive Agreement.

On December 23, 2025, Modine Manufacturing Company (the "Company") and Airedale International Air Conditioning Limited, as borrowers (collectively, the "Borrowers"), entered into Amendment No. 1 (the "Amendment") to the Sixth Amended and Restated Credit Agreement, dated as of July 10, 2025 (as amended by the Amendment, the "Credit Agreement"), by and among the Borrowers, the lenders party thereto, and JPMorgan Chase Bank, N.A., as administrative agent.

The Amendment increases the aggregate revolving commitments under the Credit Agreement by $150.0 million, from $400.0 million to $550.0 million, while also modifying the expansion option under the Credit Agreement to permit up to $250.0 million of future incremental revolving commitments and incremental term loans. In the absence of the Amendment, the increase in the revolving commitments effected by the Amendment would have left $150.0 million available under the expansion option.

In addition, the Amendment amends the Credit Agreement to permit the Company, under specified circumstances and at its sole expense, to require a lender to assign and delegate its loans and commitments to an eligible assignee reasonably acceptable to the administrative agent (and, if applicable, the issuing banks and swingline lenders), subject to the payment in full of such lender's outstanding principal, accrued interest, accrued fees and other amounts payable under the Credit Agreement.

The foregoing description of the material terms of the Amendment does not purport to be complete and is qualified in its entirety by reference to the full text of the Amendment, which is attached hereto as Exhibit 4.1 and is incorporated by reference herein.

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