WARRENVILLE, Ill. (October 31, 2007) – Navistar International Corporation (Other OTC: NAVZ) announced today that its military affiliate, International Military and Government, LLC, has won a contract from the U.S. Marine Corps for $68.8 million to provide field service support for the Marine Corps’ International® MaxxPro™ mine-resistant ambush protected (MRAP) vehicles.

The contract builds on a $71.5 million contract awarded in September to provide parts support for the Marine Corps’ International® MaxxPro™ MRAP vehicles. Navistar has been awarded more than $1 billion in total contracts for Navistar to deliver 2,971 MaxxPro units to the Marine Corps and already has more than a dozen people on the ground in the Iraq theater to provide training and field support. The MaxxPro is designed to protect troops from roadside bombs, improvised explosive devices and other threats.

“This contract award is another example of our track record for providing parts to support our military vehicles,” said Daniel C. Ustian, Navistar’s chairman, president and chief executive officer.

In addition to its parts and service contracts, Navistar has established dealerships in Iraq and Afghanistan.

Archie Massicotte, president of International Military and Government, LLC said: “Providing solid support after delivery is essential – just as we do for our commercial business. We have the expertise, infrastructure and global supply network to keep the MaxxPro™ vehicles mission ready.”

About Navistar International Corporation
Navistar International Corporation (Other OTC: NAVZ) is a holding company whose wholly owned subsidiaries produce International® brand commercial trucks, MaxxForce brand diesel engines, IC brand school 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 wholly owned subsidiary offers financing services. Additional information is available at www.Navistar.com.

About International Military and Government, LLC
International Military and Government LLC is a wholly-owned subsidiary of International Truck and Engine Corporation. IMG was established to focus on military and government opportunities. Additional information is available at www.InternationalMilitaryandGovernment.com.