AAR Corp.

AAR Selected by ExpressJet to Provide Landing Gear Overhaul Services

WOOD DALE, Illinois, July 30, 2013 — AAR (NYSE: AIR) announces a five-year contract with ExpressJet Airlines to provide landing gear overhaul services on its fleet of 104 Embraer ERJ-145XR aircraft.

AAR will perform gear overhauls in a dedicated regional aircraft product area at its 180,000-square-foot Landing Gear Services MRO facility in Miami. ExpressJet, a wholly owned subsidiary of SkyWest, Inc., is the world’s largest regional airline.

“It’s rewarding for an industry leader such as ExpressJet to recognize our extensive experience with the ERJ-145 landing gear, as well as our ability to meet their rigorous quality and program requirements,” said Pastor Lopez, Vice President, Aircraft Components and Landing Gear. “This multi-year contract energizes our team to meet the high performance standards our customers have come to expect.”

AAR marshals resources to satisfy a vast array of aircraft needs via its 1MRO network across five U.S. cities, with facilities in Duluth, Minnesota, Indianapolis, Miami, Oklahoma City and Hot Springs, Arkansas. Recently, AAR again was named the No. 1 Airframe MRO Provider in North America and No. 3 in the world based on an industry survey by Aviation Week.

About AAR

AAR is a global aerospace and defense contractor that employs more than 6,000 people in 17 countries. Based in Wood Dale, Illinois, AAR supports commercial, government and defense customers through two operating segments: Aviation Services and Technology Products. AAR’s services include inventory management and parts distribution; aircraft maintenance, repair and overhaul, and expeditionary airlift. AAR’s products include cargo systems and containers; mobility systems and shelters; advanced aerostructures; and command and control systems. More information can be found at www.aarcorp.com.

About ExpressJet

Headquartered in Atlanta, ExpressJet Airlines, a wholly owned subsidiary of SkyWest, Inc., is the world’s largest regional airline with 9,000 aviation professionals, an average of 2,300 daily flights and an all-jet fleet of 426 aircraft. Through capacity purchase agreements, ExpressJet operates as American Eagle, Delta Connection and United Express to serve 190 airports in 42 U.S. states, District of Columbia, Bahamas, Canada and Mexico.