WARRENVILLE, Ill. (April 2, 2009) Navistar Defense, LLC is in discussions with the government over a technicality in the evaluation of the Mine Resistant Ambush Protected (MRAP) All Terrain Vehicle (M-ATV) program. Obligated by regulations, Navistar was required to formalize its request for a review of the evaluation within a certain period of time.

“Navistar is dedicated to the warfighter and is in communication with all necessary parties to get the program back on track,” said Archie Massicotte, president, Navistar Defense. “Our record in providing these types of vehicles is outstanding and we are confident that our M-ATV design is worthy of consideration.”

Navistar Defense is an affiliate of Navistar International Corporation (NYSE: NAV), a holding company whose subsidiaries and affiliates produce International® brand commercial and military trucks, MaxxForce® brand diesel engines, IC Bus brand school and commercial buses, and Workhorse® brand chassis for motor homes and step vans. It also is a private-label designer and manufacturer of diesel engines for the pickup truck, van and SUV markets. The company also provides truck and diesel engine parts and service. Another affiliate offers financing services. Additional information is available at www.Navistar.com/newsroom.

Guidance
The outcome of the Mine Resistant Ambush Protected All Terrain Vehicle program does not affect Navistar’s previously stated 2009 guidance. 

Media contact: Elissa Koc, 630-753-2669
Investor contact: Heather Kos, 630-753-2406
Web site: www.Navistar.com/newsroom