National Press Release

WARRENVILLE, Ill., June 5 /PRNewswire-FirstCall/ -- The board of directors of Navistar International Corporation (Other OTC: NAVZ) appointed Steven J. Klinger, president and chief operating officer, Smurfit-Stone Container Corporation (Nasdaq: SSCC), as a new director effective as of June 2, 2008.

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"We are delighted that Steve has agreed to become a Navistar director as he brings a wealth of relevant experience and special expertise to the board," said Daniel C. Ustian, Navistar chairman, president and chief executive officer. "His experience and fresh insight will contribute to our drive to become a $15 billion company by the end of the current fiscal year."

Since joining Smurfit-Stone in May 2006, Klinger, 49, has been an important driver of the company's three-year transformation process which includes reducing the company's cost structure, streamlining the manufacturing process, upgrading the leadership talent, and aligning sales and marketing.

"Navistar has a long history of high performance and industry leadership, and I am honored to have been elected to the company's board of directors," Klinger said.

Klinger joined Smurfit-Stone following a distinguished 23-year career at the Georgia-Pacific Corporation where he most recently served as executive vice president, packaging, pulp and global procurement.

Klinger is a graduate of Georgia State University with a degree in accounting and Duke University's Advanced Management Program. He served on the Board of Directors of International Corrugated Case Association, The Atlanta Academy and Georgia State University. He is a former chairman of the board of the Fibre Box Association and a former board member of St. Jude's House and Transition House.

Navistar International Corporation (Other OTC: NAVZ) is a holding company whose wholly owned subsidiaries produce International(R) brand commercial and military trucks, MaxxForce(TM) 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 affiliate offers financing services. Additional information is available at http://www.navistar.com.

Smurfit-Stone Container Corporation (Nasdaq: SSCC) is the industry's leading integrated containerboard and corrugated packaging producer and is one of the world's largest paper recyclers. The company is a member of the World Business Council for Sustainable Development, the Sustainable Forestry Initiative(R), and the Chicago Climate Exchange. Smurfit-Stone generated revenue of $7.4 billion in 2007, has led the industry in safety every year since 2001, and conducts its business in compliance with the environmental, health, and safety principles of the American Forest & Paper Association.

SOURCE Navistar International Corporation; Smurfit-Stone Container

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