The application of commercial best practices continues to guide our tailored government solutions, yielding an efficient and effective offering based on our customers’ unique needs. Strong performance This makes AAR a trusted, reliable partner in the government market. Furthermore, in FY21, Bloomberg named AAR one of the top 200 federal contractors in the U.S. In FY21, the Naval Air Systems Command (NAVAIR) awarded AAR an expanded follow-on CLS contract for the U.S. Navy C-40A Clipper fleet. We are the first incumbent to win a follow-on contract for this program, demonstrating the value we bring to the U.S. Navy. Locations across AAR’s MRO network support the C-40A Clipper aircraft, and our focus on enabling the NAVAIR mission delivers some of the highest aircraft availability rates in the U.S. Navy. AAR also secured a contract with the Royal Netherlands Air Force to perform MRO services on F-16 Eagle jet fuel starters at our Component Repair facility in Amsterdam, where AAR has supported European Participating Air Forces for over 30 years. Additionally, AAR’s OEM Solutions team increased parts sales to the Defense Logistics Agency and global governments, and we were awarded a third option year on our U.S. Navy P-8A Poseidon contract. As the prime contractor on the Worldwide Aviation Support Program (WASS), AAR continues to support DoS operations at seven locations around the world. Over the past four years, AAR has provided uninterrupted support for the U.S. Air Force Landing Gear Performance Based Logistics (LGPBL) program for the KC-135, C-130 and E-3 fleets, improving the availability of landing gear for our Air Force customer. Our adaptable structure meets changing mission requirements and delivers services on time. AAR Component Services continues to win contracts to support CH-47 Chinook helicopter component repairs for the U.S. Army, and F-16 Eagle jet fuel starter and accessory drive gearbox repairs for the U.S. Air Force. Mobility Systems, AAR’s manufacturing wing, continues to provide rapid mission- tailored deployment equipment and sustainment services to government and nonprofit customers, including the Defense Logistics Agency and the Army Contracting Command. OEM partners for government in government assets managed parts shipped for the U.S. Defense Logistics Agency 230k 50 + $ 4b 90 6 | AAR 2021 ANNUAL REPORT ISU ® versions that incorporate over 1,000 integrated kits since 1990

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