CN to report and review second-quarter 2010 financial results on July 22, 2010

MONTREAL, July 22, 2010 — CN (TSX: CNR) (NYSE: CNI) will issue its second-quarter 2010 financial and operating results today, July 22, 2010, shortly after 4 p.m. Eastern time (ET).

CN's senior officers will review the results and the railway's outlook this afternoon in a 4.30 p.m. ET conference call/webcast.

Parties interested in participating in, or listening to, the presentation and following question-and-answer period by telephone should dial 1-800-355-4959 or 416-641-6122 by 4.20 p.m. ET today.

Claude Mongeau, president and chief executive officer of CN, will lead the conference call.

CN will webcast the presentation live and furnish slides supporting the officers' remarks via the Investors section of its website, www.cn.ca/investors. The slides will be posted shortly just after 4 p.m. ET today. A webcast replay will be available shortly after the call ends.

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.

Contacts

Media

Louis-Antoine Paquin
Manager, Corporate Communications
Communications and Public Affairs
Phone: 514-399-6450
Email Louis-Antoine

Investment Community

Robert Noorigian
Vice-president
Investor Relations
Phone: 514-399-0052
Email Robert