CN declares fourth-quarter 2007 dividend

MONTREAL, Oct. 22, 2007 — CN (TSX:CNR)(NYSE:CNI) announced today that its Board of Directors has approved a fourth-quarter 2007 dividend on the Company's common shares outstanding. A quarterly dividend of twenty-one cents (C$0.21) per common share will be paid on Dec. 31, 2007, to shareholders of record at the close of business on Dec. 10, 2007.

About CN

CN – Canadian National Railway Company and its operating railway subsidiaries – spans Canada and mid-America, from the Atlantic and Pacific oceans to the Gulf of Mexico, serving the ports of Vancouver, Prince Rupert, B.C., Montreal, Halifax, New Orleans, and Mobile, Ala., and the key metropolitan areas of Toronto, Buffalo, Chicago, Detroit, Duluth, Minn./Superior, Wis., Green Bay, Wis., Minneapolis/St. Paul, Memphis, St. Louis, and Jackson, Miss., with connections to all points in North America. For more information on CN, visit the company's website at www.cn.ca.

Contacts

Media

Mark Hallman
Director Communications, Media &
Eastern Region
(905) 669-3384

Investment Community

Robert Noorigian
Vice-President, Investor Relations
(514) 399-0052