Letter from our President and Chief Executive Officer On behalf of AAR, I am pleased to share our inaugural ESG report. For over 65 years, we have been committed to the well-being of our employees, our customers and our communities. Our inspiration to make a positive difference is ongoing. While we have been engaged in ESG-related activities for years, this marks the first time we have consolidated ®, we are guided by our and communicated our actions comprehensively in a single report. As we continue on this journey of Doing It Right purpose and our values, reflecting on our impact on the world and contemplating how we can make meaningful changes moving forward. Sustainability is not a new concept to us. AAR’s journey began with repairing radio parts and we have evolved into a global provider of SM Store and providing MRO services to equipment and services for the aviation industry. By repairing and supplying aircraft parts via our PAARTS a wide range of government and commercial customers, we are helping to prevent and reduce waste by prolonging the life of aircraft and parts. As a first step toward addressing the environmental impact of our operations, we began developing our baseline inventory of environmental data this year. AAR emphasizes the importance of social empathy and taking care of our approximately 4,700 employees. We provide continued training and professional development opportunities. We also are helping to fill the expected airline technician gap by partnering with colleges and high schools through STEM collaboration and our EAGLE Career Pathways program, equipping the next generation of skilled workers with the tools to succeed. We take care of our veterans and collaborate with nonprofits such as VIPER Transitions and the Working Heroes Program to ensure that veterans interested in aviation have access to opportunities to succeed. We are proud to have a diverse Board and workforce. We are making continued efforts to hire more women, veterans, and individuals from underrepresented groups. We onboarded our first all-female cohort of aircraft maintenance technicians at our Miami MRO services facility in ® As we continue on this journey of Doing It Right , we are March 2021. guided by our purpose and our values, reflecting on our impact on the world and contemplating how we can make We also continue to support important causes in our communities by making charitable donations and organizing fundraisers and events. We meaningful changes moving forward.” were honored to host the FestiVoix music concert in our MRO hangar in Trois Rivières, Québec, Canada for essential healthcare workers earlier this year. John M. Holmes President and Chief Executive Officer 3 3