OSHKOSH CORP New Standards Disclosure

Recent Accounting Pronouncements — In December 2023, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2023-09, Income Taxes (Topic 740), Improvements to Income Tax Disclosures. The standard requires that public business entities (1) disclose specific categories in the income tax rate reconciliation and (2) provide additional information for reconciling items if the effect of those reconciling items is equal to or greater than 5% of the amount computed by multiplying pre-tax income or loss by the applicable statutory income tax rate. The standard also requires additional disclosures about income taxes paid, the allocation of income or loss from continuing operations disaggregated between domestic and foreign and income tax expense disaggregated by federal, state and foreign. The Company adopted ASU 2023-09 retrospectively for its Annual Report on Form 10-K for the year ended December 31, 2025. The adoption did not have a material impact on the Company’s consolidated financial statements.

In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses, which is intended to improve disclosures about a public business entity's expenses and provide more detailed information to investors about the types of expenses in commonly presented expense captions. The Company will be required to adopt ASU 2024-03 for its Annual Report on Form 10-K for the year ended December 31, 2027. The ASU may be applied either prospectively or retrospectively. The Company is currently evaluating the impact of ASU 2024-03 on its consolidated financial statements.

In September 2025, the FASB issued ASU 2025-06, Intangibles – Goodwill and Other – Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software, which simplifies the capitalization guidance by removing all references to software development project stages so that the guidance is neutral to different software development methods. The Company will be required to adopt ASU 2025-06 in the first quarter of 2028. The ASU may be applied prospectively, retrospectively or using a modified transition approach. The Company is currently evaluating the impact of ASU 2025-06 on its consolidated financial statements.

In December 2025, the FASB issued ASU 2025-10, Government Grants – Accounting for Government Grants Received by Business Entities, which establishes guidance for the recognition, measurement and presentation of government grants received by business entities. The standard requires that government grants be recognized when it is probable that the Company will comply with the conditions of the grant and that the grant will be received, and provides models for presenting grants related to assets or income. The ASU also requires enhanced disclosures about the nature and terms of government grants and the financial statement line items affected. The Company will be required to adopt the accounting related to ASU 2025-10 in the first quarter of 2029 and the enhanced disclosure requirements for its Annual Report on Form 10-K for the year ending December 31, 2029. The ASU may be applied prospectively, retrospectively or using a modified retrospective transition approach. The Company is currently evaluating the impact of ASU 2025-10 on its consolidated financial statements.