Exhibit 99.1 1 AAR reports record fourth quarter and fiscal year 2024 results · Record fourth quarter sales of $657 million, up 19% over the prior year · Fourth quarter GAAP diluted earnings per share from continuing operations of $0.26, compared to $0.66 in Q4 FY2023 · Record fourth quarter adjusted diluted earnings per share from continuing operations of $0.88, up 6% from $0.83 in Q4 FY2023 · Fourth quarter cash flow provided by operating activities from continuing operations of $25 million · Record full ...