Navistar to Announce Second Quarter Earnings, File Form 10-Q on June 9

WARRENVILLE, Ill.--May 1, 20059, 2005--Navistar International Corporation , the nation's largest combined commercial truck, school bus and mid-range diesel engine producer, said today that it plans to announce second quarter earnings and file its Form 10-Q on Thursday, June 9.

On that same date, the company will hold a live audio web cast at 10 a.m. Central Daylight Time, to discuss financial results and business highlights for the second fiscal quarter ended April 30, 2005, and the outlook for the remainder of the year. The company intends to release its second quarter earnings news release on Business Wire approximately three hours in advance of the call.

Details to access the call will be furnished at least three days in advance of the call.

Information provided and statements made that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act, Section 21E of the Exchange Act, and the Private Securities Litigation Reform Act of 1995. Although we believe that these forward-looking statements are based on reasonable assumptions, these statements are not guarantees of results and they involve risks, uncertainties and assumptions, including the risk of possible delays in the company's analysis and completion of its quarterly financial data.

Navistar International Corporation is the parent company of International Truck and Engine Corporation. The company produces International(R) brand commercial trucks, mid-range diesel engines and IC brand school buses and is a private label designer and manufacturer of diesel engines for the pickup truck, van and SUV markets. With the broadest distribution network in North America, the company also provides financing for customers and dealers. Additionally, through a joint venture with Ford Motor Company, the company builds medium commercial trucks and sells truck and diesel engine service parts. Additional information is available at www.nav-international.com.