AAR Corp Parts Supply and Engineering Initiatives

Repair & Engineering PMA parts initiative • Focused on reducing AAR's component repair and overhaul costs through Parts Manufacturer Approval (PMA) parts development and usage • Invested in dedicated engineering team . • • Opportunities identified by leveraging part utilization data, engineering expertise and internal repair capabilities Key OEM relationships considered prior to PMA development Partnering with key customers to offer cost-reducing repair options Prioritizing internal cost benefits with opportunity for third party sales over next several years Provides cost reduction in near-term and third-party sales in longer-term DAAR AAR © 2023 AAR CORP. All rights reserved worldwide. 56 99

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