AAR CORP

AAR CORP. and its subsidiaries are referred to herein collectively as AAR, Company, we, us, and our unless the context indicates otherwise. AAR was incorporated in 1955 and we are a leading independent provider of solutions to the global aviation aftermarket. We offer a broad line of products and services to commercial and government aerospace customers and operate globally in over 20 countries. During the fourth quarter of fiscal 2026, we changed our operating segment structure to realign our Integrated Solutions segment which resulted in the following changes: Combined our government programs activities and our Mobility Systems business, previously reported as Expeditionary Services, into a new operating segment named Government Solutions; Re-positioned our software platform to our Repair and Engineering segment, which was renamed Repair, Engineering, and Software; and Legacy Commercial Programs, the remaining business unit within the Integrated Solutions segment, is now separately reported as its own operating segment.