Navistar and J.B. Hunt Sign Five-Year Supply Agreement

[DriVer]

MaxxForce 13-Liter Fuel Economy and Advanced EGR are Key Drivers

WARRENVILLE, ILL. (May 11, 2010) – Navistar, Inc. and J.B. Hunt Transport Services, Inc. today announced that the two companies have reached a long-term supply agreement for Navistar to be the principal provider of International® brand commercial trucks to J.B. Hunt through 2014.

“We’re excited to once again be J.B. Hunt’s principal commercial truck provider and look forward to delivering them International trucks with MaxxForce® engines as well as the full support of our parts and dealer network,” said Jack Allen, president of Navistar’s North American truck group.

“J.B. Hunt is an industry leader and one of the most metric-driven transportation companies in the world,” Allen added. “They have tested our ProStar with MaxxForce 13 engine and this agreement demonstrates their confidence in the fuel economy, overall performance and no-hassle approach of our MaxxForce Advanced EGR engines.”

The five-year agreement with J.B. Hunt, one of the largest global multi-modal transportation logistics companies with approximately 9,000 power units in its fleet, calls for delivery of more than 5,000 trucks through 2014. Navistar will deliver the International ProStar+ sleepers and day cabs powered by 2010 EPA certified MaxxForce 13 big bore engines.

“J.B. Hunt is continuously evaluating equipment alternatives to ensure we leverage the best solution available for our customers, our drivers and the environment,” said Kirk Thompson, president and CEO for J.B. Hunt. “Through this supplier agreement with Navistar, we will be adding some of the most fuel-efficient and driver-friendly tractors in the industry to our fleet.”

About Navistar
Navistar International Corporation (NYSE: NAV) is 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, Monaco® RV brands of recreational vehicles, 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 service parts. Another affiliate offers financing services. Additional information is available at www.Navistar.com/newsroom.

About J.B. Hunt
J.B. Hunt Transport Services, Inc. (NASDAQ: JBHT) focuses on providing safe and reliable transportation services to a diverse group of customers throughout the continental United States, Canada and Mexico. Utilizing an integrated, multimodal approach, they provide capacity-oriented solutions centered on delivering customer value and industry-leading service. Their stock is traded on NASDAQ under the ticker symbol JBHT and is a component of the Dow Jones Transportation Average and the NASDAQ-100 Index. For more information, visit J.B. Hunt - The Transportation Logistics Company.

Business Media Contact: Roy Wiley, 630-753-2627
Trade Media Contact: Steve Schrier, 630-753-2264
Investor Contact: Heather Kos, 630-753-2406
Web site: www.Navistar.com/newsroom