Basis of Presentation	3 Months Ended
Aug. 31, 2025
Basis of Presentation
Basis of Presentation	1. Basis of Presentation AAR CORP. and its subsidiaries are referred to herein collectively as “AAR,” “Company,” “we,” “us,” or “our,” unless the context indicates otherwise. The accompanying Condensed Consolidated Financial Statements include the accounts of AAR and its subsidiaries after elimination of intercompany accounts and transactions. We have prepared these statements without audit, pursuant to the rules and regulations of the United States Securities and Exchange Commission (“SEC”). The Condensed Consolidated Balance Sheet as of May 31, 2025 has been derived from audited financial statements. To prepare the financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”), management has made a number of estimates and assumptions relating to the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities. Actual results could differ from those estimates. Certain information and note disclosures, normally included in comprehensive financial statements prepared in accordance with GAAP, have been condensed or omitted pursuant to such rules and regulations of the SEC. These Condensed Consolidated Financial Statements should be read in conjunction with the Consolidated Financial Statements and notes thereto included in our Annual Report on Form 10-K for the fiscal year ended May 31, 2025. In the opinion of management, the Condensed Consolidated Financial Statements reflect all adjustments (which consist only of normal recurring adjustments) necessary to present fairly the Condensed Consolidated Balance Sheet of AAR CORP. and its subsidiaries as of August 31, 2025, the Condensed Consolidated Statements of Income and Condensed Consolidated Statements of Comprehensive Income for the three-month periods ended August 31, 2025 and 2024, the Condensed Consolidated Statements of Cash Flows for the three-month periods ended August 31, 2025 and 2024, and the Condensed Consolidated Statement of Changes in Equity for the three-month periods ended August 31, 2025 and 2024. The results of operations for such interim periods are not necessarily indicative of the results for the full year. Certain reclassifications have been made to the prior year presentation to conform to the fiscal 2026 presentation. New Accounting Pronouncements Not Yet Adopted 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. This ASU updates income tax disclosure requirements by requiring specific categories and greater disaggregation within the income tax rate reconciliation and disaggregation of income taxes paid by jurisdiction. The ASU is effective for fiscal years beginning after December 15, 2024, with early adoption permitted. The ASU would be applied on a prospective basis with retrospective application permitted. We expect this ASU to only impact our disclosures with no impacts to our results of operations, cash flows, and financial condition. In November 2024, the FASB issued ASU No. 2024-03, Income Statement – Reporting Comprehensive Income – Expense Disaggregation Disclosures (Subtopic 220-40), Disaggregation of Income Statement Expenses. This ASU includes new disclosure requirements about specific expense categories, including but not limited to, purchases of inventory, employee compensation, depreciation, amortization, and selling expenses that are included in certain expense captions presented on the face of the income statement. The ASU is effective for fiscal years beginning after December 15, 2026, and interim periods within fiscal years beginning after December 15, 2027. Early adoption is permitted and the ASU can be applied on a prospective or retrospective basis. We expect this ASU to only impact our disclosures with no impacts to our results of operations, cash flows, and financial condition.

Basis of Presentation

3 Months Ended

Aug. 31, 2025

1. Basis of Presentation

AAR CORP. and its subsidiaries are referred to herein collectively as “AAR,” “Company,” “we,” “us,” or “our,” unless the context indicates otherwise. The accompanying Condensed Consolidated Financial Statements include the accounts of AAR and its subsidiaries after elimination of intercompany accounts and transactions.

We have prepared these statements without audit, pursuant to the rules and regulations of the United States Securities and Exchange Commission (“SEC”). The Condensed Consolidated Balance Sheet as of May 31, 2025 has been derived from audited financial statements. To prepare the financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”), management has made a number of estimates and assumptions relating to the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities. Actual results could differ from those estimates. Certain information and note disclosures, normally included in comprehensive financial statements prepared in accordance with GAAP, have been condensed or omitted pursuant to such rules and regulations of the SEC. These Condensed Consolidated Financial Statements should be read in conjunction with the Consolidated Financial Statements and notes thereto included in our Annual Report on Form 10-K for the fiscal year ended May 31, 2025.

In the opinion of management, the Condensed Consolidated Financial Statements reflect all adjustments (which consist only of normal recurring adjustments) necessary to present fairly the Condensed Consolidated Balance Sheet of AAR CORP. and its subsidiaries as of August 31, 2025, the Condensed Consolidated Statements of Income and Condensed Consolidated Statements of Comprehensive Income for the three-month periods ended August 31, 2025 and 2024, the Condensed Consolidated Statements of Cash Flows for the three-month periods ended August 31, 2025 and 2024, and the Condensed Consolidated Statement of Changes in Equity for the three-month periods ended August 31, 2025 and 2024. The results of operations for such interim periods are not necessarily indicative of the results for the full year.

Certain reclassifications have been made to the prior year presentation to conform to the fiscal 2026 presentation.

New Accounting Pronouncements Not Yet Adopted

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. This ASU updates income tax disclosure requirements by requiring specific categories and greater disaggregation within the income tax rate reconciliation and disaggregation of income taxes paid by jurisdiction. The ASU is effective for fiscal years beginning after December 15, 2024, with early adoption permitted. The ASU would be applied on a prospective basis with retrospective application permitted. We expect this ASU to only impact our disclosures with no impacts to our results of operations, cash flows, and financial condition.

In November 2024, the FASB issued ASU No. 2024-03, Income Statement – Reporting Comprehensive Income – Expense Disaggregation Disclosures (Subtopic 220-40), Disaggregation of Income Statement Expenses. This ASU includes new disclosure requirements about specific expense categories, including but not limited to, purchases of inventory, employee compensation, depreciation, amortization, and selling expenses that are included in certain expense captions presented on the face of the income statement. The ASU is effective for fiscal years beginning after December 15, 2026, and interim periods within fiscal years beginning after December 15, 2027. Early adoption is permitted and the ASU can be applied on a prospective or retrospective basis. We expect this ASU to only impact our disclosures with no impacts to our results of operations, cash flows, and financial condition.