Note 1:  Significant Accounting Policies

Nature of operations

Modine Manufacturing Company (“Modine” or the “Company”) specializes in providing innovative and environmentally responsible thermal management products and solutions to diversified global markets and customers in a wide array of commercial, industrial, and building heating, ventilating, air conditioning, and refrigeration (“HVAC&R”) markets. In addition, the Company is a leading provider of engineered heat transfer systems and high-quality heat transfer components for use in on- and off-highway original equipment manufacturer (“OEM”) vehicular applications. The Company’s primary product groups include i) Data Centers; ii) Heat Transfer Solutions; iii) HVAC Technologies; iv) Heavy-Duty Equipment; and v) On-Highway Applications.

Basis of presentation

The Company prepares its consolidated financial statements in conformity with generally accepted accounting principles (“GAAP”) in the United States. These principles require management to make certain estimates and assumptions in determining assets, liabilities, revenue, expenses and related disclosures. Actual amounts could differ materially from those estimates.

Consolidation principles

The consolidated financial statements include the accounts of Modine Manufacturing Company and its majority-owned or Modine-controlled subsidiaries. The Company eliminates intercompany transactions and balances in consolidation.

Revenue recognition

The Company recognizes revenue based upon consideration specified in a contract and as it satisfies performance obligations by transferring control over its products to its customers, which may be at a point in time or over time. The majority of the Company’s revenue is recognized at a point in time, based upon shipment terms. See Note 3 for additional information.

Shipping and handling costs

The Company records shipping and handling costs incurred upon the shipment of products to its customers in cost of sales, and related amounts billed to these customers in net sales.

Warranty

The Company provides product warranties for specific product lines and accrues for estimated future warranty costs in the period in which the sale is recorded. The Company records warranty expense, within cost of sales, based upon historical and current claims data or based upon estimated future claims. Accrual balances, which are recorded within other current liabilities, are monitored and adjusted if it is probable that expected claims will differ from previous estimates. See Note 15 for additional information.

Tooling

The Company accounts for production tooling costs as a component of property, plant and equipment when it owns title to the tooling and amortizes the capitalized cost to cost of sales over the estimated life of the asset, which is generally three years. At March 31, 2026 and 2025, Company-owned tooling totaled $16.7 million and $18.2 million, respectively.

In certain instances, tooling is owned by the customer. At the time customer-owned tooling is completed and customer acceptance is obtained, the Company records tooling revenue and related production costs within net sales and cost of sales, respectively, in the consolidated statements of operations. If the customer has agreed to reimburse the Company, unbilled customer-owned tooling costs are recorded as a receivable within other current assets. No significant arrangements exist where customer-owned tooling costs were not accompanied by guaranteed reimbursement. At March 31, 2026 and 2025, customer-owned tooling receivables totaled $2.6 million and $6.9 million, respectively.

Stock-based compensation

The Company recognizes stock-based compensation using the fair value method. Accordingly, compensation expense for restricted stock, stock options and performance-based stock awards is calculated based upon the fair value of the instruments at the time of grant and is recognized as expense over the respective vesting periods. See Note 5 for additional information.

Research and development

The Company expenses research and development costs as incurred within selling, general and administrative (“SG&A”) expenses. During fiscal 2026, 2025 and 2024, research and development costs totaled $29.3 million, $34.9 million, and $42.0 million, respectively.

Translation of foreign currencies

The Company translates assets and liabilities of foreign subsidiaries into U.S. dollars at the period-end exchange rates and translates income and expense items at the monthly average exchange rate for the period in which the transactions occur. The Company reports resulting translation adjustments within accumulated other comprehensive income (loss) within shareholders’ equity. The Company includes foreign currency transaction gains or losses in the statement of operations within other income and expense.

Derivative instruments

The Company enters into derivative financial instruments from time to time to manage certain financial risks. The Company enters into forward contracts to reduce exposure to changing future purchase prices for aluminum and copper and into foreign currency exchange contracts to hedge specific foreign currency-denominated assets and liabilities as well as forecasted transactions. The Company designates certain derivative financial instruments as cash flow hedges for accounting purposes. These instruments are used to manage financial risks and are not speculative. See Note 19 for additional information.

Income taxes

The Company determines deferred tax assets and liabilities based upon the difference between the amounts reported in the financial statements and the tax basis of assets and liabilities, using enacted tax rates in effect in the years in which the differences are expected to reverse. The Company establishes a valuation allowance if it is more likely than not that a deferred tax asset, or portion thereof, will not be realized. The Company records the tax effects of global intangible low-taxed income (“GILTI”) as a period expense in the applicable tax year. The Company uses the portfolio approach for releasing income tax effects from accumulated other comprehensive income (loss). See Note 8 for additional information.

Earnings per share

The Company calculates basic earnings per share based upon the weighted-average number of common shares outstanding during the period, while the calculation of diluted earnings per share includes the dilutive effect of potential common shares outstanding during the period. The calculation of diluted earnings per share excludes potential common shares if their inclusion would have an anti-dilutive effect. See Note 9 for additional information.

Cash and cash equivalents

The Company considers all highly-liquid investments with original maturities of three months or less to be cash equivalents.

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Trade accounts receivable

The Company records trade receivables at the invoiced amount. Trade receivables typically do not bear interest if paid according to the original terms. The Company maintains an allowance for credit losses, representing its estimate of expected losses associated with its trade accounts receivable. The Company bases its estimate using historical loss experience and considers the aging of the receivables and risks specific to customers where appropriate. At March 31, 2026 and 2025, the allowance for credit losses was $3.5 million and $1.8 million, respectively. The changes to the Company’s allowance for credit losses during fiscal 2026 and 2025 were not material and primarily consisted of current-period provisions, write-offs charged against the allowance, recoveries collected, and foreign currency translation.

The Company enters into supply chain financing programs from time to time to sell accounts receivable, without recourse, to third-party financial institutions. Sales of accounts receivable are reflected as a reduction of accounts receivable on the consolidated balance sheets and the proceeds are included in cash flows from operating activities in the consolidated statements of cash flows. During fiscal 2026, 2025 and 2024, the Company sold $2.2 million, $7.9 million, and $130.2 million, respectively, of accounts receivable to accelerate cash receipts. During fiscal 2024, the Company recorded costs totaling $1.6 million related to selling accounts receivable in the consolidated statements of operations. During fiscal 2026 and 2025, costs related to selling accounts receivable were not significant.

Inventories

The Company values inventories using a first-in, first-out or weighted-average basis, at the lower of cost and net realizable value.

Property, plant and equipment

The Company records property, plant and equipment at cost. For financial reporting purposes, the Company computes depreciation using the straight-line method over the expected useful lives of the assets. The Company expenses maintenance and repair costs as incurred. The Company capitalizes costs of improvements. Upon the sale or other disposition of an asset, the Company removes the cost and related accumulated depreciation from the accounts and includes the gain or loss in the consolidated statements of operations. Capital expenditures of $33.6 million, $22.4 million, and $22.7 million were accrued within accounts payable at March 31, 2026, 2025 and 2024, respectively.

Leases

The Company’s most significant leases represent leases of real estate, such as manufacturing facilities, warehouses, and office buildings. The Company also leases manufacturing and information technology equipment and vehicles. The Company recognizes right-of-use (“ROU”) assets and lease liabilities at the lease commencement date, based upon the present value of lease payments over the lease term. See Note 16 for additional information.

Goodwill

The Company does not amortize goodwill; rather, it tests for impairment annually unless conditions exist that would require a more frequent evaluation. The Company performs an assessment of the fair value of its reporting units for goodwill impairment testing based upon, among other things, the present value of expected future cash flows. The Company performed its goodwill impairment tests as of February 28, 2026 and determined the fair value of each of its reporting units exceeded the respective book value. See Note 14 for additional information.

Impairment of long-lived assets

The Company evaluates held and used long-lived assets, including property, plant and equipment and intangible assets, for impairment whenever conditions or events indicate that those assets may be impaired. The Company considers factors such as operating losses, declining financial outlooks and market conditions when evaluating the need for an impairment analysis. In the event an impairment indicator is identified, the Company compares the undiscounted future cash flows expected to be generated by the assets with their carrying value. If the net asset values exceed expected future cash flows, the Company writes down the assets to fair value and records an impairment charge. The Company estimates fair value in various ways depending on the nature of the underlying assets. Fair value is generally based upon appraised value, estimated salvage value, or selling prices under negotiation, as applicable.

Assets held for sale

The Company classifies an asset as held for sale when (i) management approves and commits to a formal plan to actively market the asset for sale at a reasonable price in relation to its fair value; (ii) the asset is available for immediate sale in its present condition; (iii) an active program to locate a buyer and other actions required to complete the sale have been initiated; (iv) the sale of the asset is expected to be completed within one year; and (v) it is unlikely that significant changes will be made to the plan. Upon classification as held for sale, the Company records the carrying value of the asset at the lower of its carrying value or its estimated fair value, less costs to sell. In addition, the Company ceases to record depreciation for assets held for sale. In fiscal 2026, the Company recorded a non-cash impairment charge of $4.1 million related to assets held for sale. See Note 2 for additional information.

Deferred compensation trusts

The Company maintains deferred compensation trusts to fund future obligations under its non-qualified deferred compensation plans. The trusts’ investments in third-party debt and equity securities are presented within other noncurrent assets in the consolidated balance sheets. The deferred compensation obligations are recorded within other noncurrent liabilities in the consolidated balance sheets.

Self-insurance reserves

The Company retains a portion of the financial risk for certain insurance coverage, including property, general liability, workers compensation, and employee healthcare, and therefore maintains reserves that estimate the impact of unreported and under-reported claims that fall below stop-loss limits and deductibles under its insurance policies. The Company maintains reserves for the estimated settlement cost of known claims, as well as estimates of incurred but not reported claims. The Company charges costs of claims, including the impact of changes in reserves due to claim experience and severity, to cost of sales or SG&A expenses. The Company reviews and updates the amount of its insurance-related reserves on a quarterly basis.

Environmental liabilities

The Company records liabilities for environmental assessments and remediation activities in the period in which its responsibility is probable and the costs can be reasonably estimated. The Company records environmental indemnification assets from third parties, including prior owners, when recovery is probable. To the extent that the required remediation procedures change, or additional contamination is identified, the Company’s estimated environmental liabilities may also change. See Note 20 for additional information.

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Supplier finance programs

The Company facilitates a voluntary supplier finance program through a financial institution that allows certain suppliers in the U.S. and Europe to request early payment for invoices, at a discount, from the financial institution. The Company or the financial institution may terminate the supplier finance program upon 90 days’ notice. The Company’s obligations to its suppliers, including amounts due and payment terms, are consistent, irrespective of whether a supplier participates in the program. The Company is not party to the arrangements between the participating suppliers and the financial institution. Under this program, the Company confirms the validity of supplier invoices to the financial institution and remits payments to it based on the original payment terms, which typically range from 60 to 120 days. The outstanding obligations under this program are included within accounts payable in the consolidated balance sheets.

The following table presents a roll forward of the Company’s obligations associated with its supplier finance program.

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New accounting guidance

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Disaggregation of Income Statement Expenses

In November 2024, the FASB issued new guidance that will require additional disclosure regarding the nature of expenses presented within expense captions on the consolidated statements of operations and selling expenses. The new disclosure requirements will become effective for the Company’s fiscal 2028 annual financial statements. The Company is currently evaluating the new disclosures, but does not expect the guidance will have a material impact on its consolidated financial statements.