CN and Teamsters Canada Rail Conference adjourn negotiations; plan to resume talks with federal mediators the week of Nov. 16

MONTREAL, Oct. 23, 2009 — CN (TSX: CNR)(NYSE: CNI) and the Teamsters Canada Rail Conference (TCRC) agreed to adjourn negotiations today and are scheduled to resume talks with the assistance of federal mediators during the week of Nov. 16, 2009.

The company and union remain optimistic that they can negotiate a new collective agreement for 1,700 CN locomotive engineers in Canada without labour disruption. The current agreement between the parties expired on Dec. 31, 2008.

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, and Jackson, Miss., with connections to all points in North America.

The TCRC represents 125,000 members in Canada in all trades. The International Brotherhood of Teamsters, with which the TCRC is affiliated, has 1.4 million members in North America.

CONTACTS

For CN: Media Mark Hallman Director Communications & Public Affairs Phone: 905-669-3384	For TCRC: Media & Investors Dan Shewchuk President Phone: 613-235-1828
Investors Robert Noorigian Vice-President Investor Relations Phone: 514-399-0052