AAR Signs LOI to Join SuperJet International Service Center Network

WOOD DALE, ILLINOIS (July 23, 2009) — AAR CORP. (NYSE: AIR) announced today that the Company has signed a Letter of Intent (LOI) with SuperJet International S.p.A. to become a service center for the new Sukhoi Superjet 100 (SSJ100) aircraft. As part of SuperJet’s network of Service Centers, AAR will provide SSJ100 operators with heavy airframe maintenance, modifications, interior and exterior refurbishments, unscheduled maintenance services, line and RON maintenance and will have field teams to provide off-site support.

“We are very pleased to have AAR as part of our worldwide service network,” said Giovanni Simonetti, Senior Vice President of Customer Service for SuperJet International. “AAR is a top tier MRO provider in North America with a long history of providing outstanding support to the commercial and regional airline industry. AAR’s capabilities and professionalism will be a great benefit to our customers.”

“AAR is looking forward to working with the SuperJet team and SSJ100 operators as we expand our service capabilities to include the SSJ100 aircraft,” said Donald Wetekam, Group Vice President for MRO at AAR. “In addition to standard MRO services, AAR can serve as a one-stop shop for SSJ100 operators, offering them a wide variety of additional support services including component repair, supply chain management, engineering services, landing gear overhaul and composite repair.”

About SuperJet International

SuperJet International, based in Venice, Italy, a joint venture between Alenia Aeronautica (Finmeccanica Group) (51%) and Sukhoi Holding (49%), is in charge of marketing, sales, customization and delivery of the Sukhoi Superjet 100 regional jet in Europe, the Americas, Oceania, Africa and Japan, as well as of worldwide after-sale support.

SuperJet International is also responsible for the design and development of VIP and cargo variants. A company’s branch is already active in Moscow along with sales offices in Toulouse, France and Washington, DC, USA.

The Sukhoi Superjet 100 has received orders for 122 aircraft with the first commercial delivery scheduled to take place in December 2009.

For further information please visit the website www.superjetinternational.com.

About AAR

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, government 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 www.aarcorp.com.