CNR Canadian National Railway Company

CN (TSX: CNR)(NYSE: CNI) said today it has negotiated a tentative labour agreement with the union representing its police officers in Canada.

Details of the new agreement are being withheld pending ratification by members of the Canadian National Railways Police Association (CNRPA). Ratification is expected within three weeks.

The CNRPA has 75 active members whose current collective agreement with CN expires on Dec. 31, 2008.

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, 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.

www.cn.ca

Contacts: CN Mark Hallman (Media) Director, Communications, Media (905) 669-3384 CN Robert Noorigian (Investment Community) Vice-President Investor Relations (514) 399-0052