AAR to Provide KC-10 Supply Chain Support as Member of Northrop Grumman Team

WOOD DALE, Ill., Oct. 5 /PRNewswire-FirstCall/ -- AAR (NYSE: AIR) announced
today that it has been selected to provide supply chain services and logistics
support as a member of the Northrop Grumman team on the KC-10 Extender
Contractor Logistics Support (CLS) program. AAR's portion of the indefinite
delivery/indefinite quantity contract is valued at approximately $600 million
over nine years.

As a Northrop Grumman team member, AAR will provide an integrated supply chain
program to support the ongoing maintenance and operations of the KC-10 program
from facilities and air bases in the U.S. and overseas. The announcement was
made following U.S. Air Force's selection of Northrop Grumman as the prime
contractor for comprehensive depot maintenance and logistics for the U.S. Air
Force's fleet of 59 KC-10 air refueling aircraft.

"This award builds upon the excellent relationship and reputation we've
established with Northrop Grumman in providing supply chain solutions in
support of the U.S. Air Force JSTARS and U.K. MoD E-3D Sentry programs," said
David P. Storch, Chairman and Chief Executive Officer of AAR CORP. "We look
forward to extending our strategic partnership with Northrop Grumman while
providing outstanding support, contributing to the efficient operations,
readiness and sustainment of the KC-10 program."

AAR's role on the Northrop Grumman team is to provide supply chain services
that include strategic planning, parts procurement, distribution and repair to
ensure aircraft availability and efficient operations while shortening
maintenance lead times and minimizing downtime.

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

This press release contains certain statements relating to future results,
which are forward-looking statements as that term is defined in the Private
Securities Litigation Reform Act of 1995. These forward-looking statements are
based on beliefs of Company management, as well as assumptions and estimates
based on information currently available to the Company, and are subject to
certain risks and uncertainties that could cause actual results to differ
materially from historical results or those anticipated, including those
factors discussed under Item 1A, entitled "Risk Factors", included in the
Company's May 31, 2009 Form 10-K. Should one or more of these risks or
uncertainties materialize adversely, or should underlying assumptions or
estimates prove incorrect, actual results may vary materially from those
described. These events and uncertainties are difficult or impossible to
predict accurately and many are beyond the Company's control. The Company
assumes no obligation to update any forward-looking statements to reflect
events or circumstances after the date of such statements or to reflect the
occurrence of anticipated or unanticipated events. For additional information,
see the comments included in AAR's filings with the Securities and Exchange
Commission.

SOURCE AAR

Chris Mason, Director, Corporate Communications of AAR, +1-630-227-2062,
chris.mason@aarcorp.com