AAR to Announce First Quarter 2007 Results on September 20

WOOD DALE, Ill., /PRNewswire-FirstCall/ -- AAR (NYSE: AIR) today announced that it will release financial results for its first quarter of Fiscal Year 2007, ended August 31, 2006, before the market opens on Wednesday, September 20, 2006.

At 10:30 a.m. CDT, AAR will hold a conference call to discuss the results. The conference call can be accessed by calling 866-837-9789 from inside the U.S. or 703-639-1425 from outside the U.S.

A replay of the conference call will also be available by calling 888-266- 2081 from inside the U.S. or 703-925-2533 from outside U.S. (access code 965630). The replay will be available from 1:30 p.m. CDT on September 20, 2006 until 11:59 p.m. CDT on September 27, 2006.

AAR is a leading provider of products and value-added services to the worldwide aviation/aerospace industry. With facilities and sales locations around the world, AAR uses its close-to-the-customer business model to serve airline and defense customers through four operating segments: Aviation Supply Chain; Maintenance, Repair and Overhaul; Structures and Systems and Aircraft Sales and Leasing. More information can be found at http://www.aarcorp.com.

SOURCE AAR CORP.

CONTACT: Timothy J. Romenesko, Vice President, Chief Financial Officer, +1-630-227-2090, or tromenesko@aarcorp.com