Navistar International Corporation Names Corning A Diamond Supplier

Corning Incorporated (NYSE:GLW) announced today that Navistar

International Corporation named the company a 2007 Diamond Supplier. The

award is granted to suppliers who meet or exceed Navistar´s performance

expectations for quality, delivery and cost. Corning was one of only 38

suppliers in Navistar´s 2,500–member

corporate supply base to have achieved this designation for 2007. Each year, Navistar recognizes suppliers who strategically align with

the company´s business goals and demonstrate

a commitment to continuous improvement. Diamond suppliers collaborate

technically and commercially with Navistar and play an integral role in

growing Navistar´s business. In addition

Diamond suppliers deliver products of distinction to mutual end

customers. "We are proud to receive the Diamond Supplier

award from Navistar," said Curt Weinstein

vice president and general manager of Corning Heavy–Duty Diesel

Technologies. "We value our collaborative

relationship and will continue to work closely with Navistar and other

vehicle and engine manufacturers to provide design and development

guidance, systems expertise and innovative products that help them meet

emissions requirements." Corning is a leading supplier of advanced cellular

ceramic substrates and diesel particulate filters for all of the

world´s major manufacturers of gasoline and diesel engines and vehicles.

The company invented an economical, high–performance, cellular ceramic

substrate in the early 1970s that is now the standard for catalytic

converters worldwide. In 1978, Corning developed the cellular ceramic particulate

filter to remove soot from diesel emissions. Corning continues to

leverage its expertise in materials, processes and manufacturing to

develop advanced ceramic substrates and diesel particulate filters that

help meet demanding mobile emissions requirements. About Corning Incorporated Corning Incorporated (www.corning.com)

is the world leader in specialty glass and ceramics. Drawing on more

than 150 years of materials science and process engineering knowledge

Corning creates and makes keystone components that enable

high–technology systems for consumer electronics, mobile emissions

control, telecommunications and life sciences. Our products include

glass substrates for LCD televisions, computer monitors and laptops;

ceramic substrates and filters for mobile emission control systems;

optical fiber, cable, hardware & equipment for telecommunications

networks; optical biosensors for drug discovery; and other advanced

optics and specialty glass solutions for a number of industries

including semiconductor, aerospace, defense, astronomy and metrology. About Navistar Navistar International Corporation (Other OTC: NAVZ) is a holding

company whose wholly owned subsidiaries produce International® brand commercial and military trucks, MaxxForce? brand diesel engines, IC 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 wholly owned subsidiary offers

financing services. Additional information is available at www.Navistar.com.