February 26, 2026

Wood Dale, Illinois — AAR CORP. (NYSE: AIR), a leading provider of aviation services to commercial and government operators, MROs, and OEMs, has signed a new agreement with Otto Instrument Service to sell and support the LASEREF IV inertial reference system product line. The agreement reinforces AAR’s strategy to broaden its OEM distribution portfolio serving the business aviation market.

February 11, 2026

Wood Dale, Illinois — AAR CORP. (NYSE: AIR), a leading provider of aviation services to commercial and government operators, MROs, and OEMs, announced today that its Board of Directors has appointed Dylan Wolin as the Company’s Chief Financial Officer, effective February 23, 2026. Wolin’s responsibilities will include finance, accounting, tax, treasury, investor relations, and corporate development.

January 28, 2026

Wood Dale, Illinois — AAR CORP. (NYSE: AIR), a leading provider of aviation services to commercial and government operators, MROs, and OEMs, has substantially completed the expansion of its Airframe MRO facility in Oklahoma City.