 Wood Dale, Illinois, July 07, 2022 GLOBE NEWSWIRE -- AAR CORP. NYSE: AIR, a leading provider of aviation services to commercial and government operators, MROs, and OEMs, today announced that it will release financial results for its fourth quarter of fiscal year 2022, ended May 31, 2022, prior to the opening of the New York Stock Exchange trading session on Thursday, July 21, 2022. 