Fontaine Fifth Wheel Named a Navistar® Diamond Supplier for Seventh Year

Trussville, Ala. (July 27, 2010) – Navistar, Inc. has named Fontaine Fifth Wheel a Navistar® Diamond Supplier for 2009. This is the seventh straight year that Fontaine has earned the prestigious award.

“We are pleased to present Fontaine Fifth Wheel with Navistar’s Diamond Supplier Award in recognition of the company’s seven consecutive years of outstanding performance and service to Navistar and our customers,” says Persio Lisboa, Navistar chief procurement officer. “We look forward to a bright future together where we can continue to achieve shared success.”

According to Navistar, its Diamond Suppliers must meet and exceed performance expectations for quality and delivery. Additionally, Diamond Suppliers are strategically aligned with Navistar’s business goals and demonstrate a commitment to continuous improvement. They represent the “best of the best” in terms of supplier/buyer collaboration.

“The entire Fontaine Fifth Wheel team is proud to have earned Navistar’s Diamond Supplier Award again,” says Steve Wyatt, Fontaine Fifth Wheel senior OEM account manager. “Navistar is an excellent customer, and we are focused on continuing to work hard to exceed its high standards in 2010.”

For more information about Fontaine Fifth Wheel, visit www.fifthwheel.com or call (800) 874-9780.

About Fontaine Fifth Wheel

Based in Trussville, Ala., Fontaine Fifth Wheel is the world’s largest fifth wheel manufacturer. It has ISO 14001 registered manufacturing facilities worldwide.

Fontaine is a Marmon Highway Technologies (MHT) company. MHT companies support the transportation industry worldwide with a wide range of high-quality products and services.

MHT companies are members of The Marmon Group, an international association of business units that operate independently within diverse business sectors. Member companies have combined revenues of approximately $7 billion. The Marmon Group is a Berkshire Hathaway company.

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. The company also provides truck and diesel engine service parts. Another affiliate offers financing services.