CN will issue its first-quarter 2007 financial and operating results on April 23, 2007, shortly after 4 p.m. Eastern time (ET). CN’s senior officers will review the results and the railway’s earnings outlook later that afternoon in a conference call/webcast starting at 4.30 p.m. ET.

Parties interested in participating in, or listening to, the presentation and following question-and-answer period by telephone should dial 1-866-542-4239 or 416-641-6114 by 4.20 p.m. ET April 23.

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 after 4 p.m. ET April 23 under Analyst Presentations. CN will archive the webcast and slides on its website until May 14, 2007.

This news release contains forward-looking statements. CN cautions that, by their nature, forward-looking statements involve risk and uncertainties, including the assumption that, while CN expects a moderate slowdown in the North American economy in the near term, its business prospects assume positive economic conditions in North America and globally, and that its results could differ materially from those expressed or implied in such statements. Important factors that could cause such differences include, but are not limited to, industry competition, legislative and/or regulatory developments, compliance with environmental laws and regulations, various events which could disrupt operations, including natural events such as severe weather, droughts, floods and earthquakes, the effects of adverse general economic and business conditions, inflation, currency fluctuations, changes in fuel prices, labour disruptions, environmental claims, investigations or proceedings, other types of claims and litigation, and other risks detailed from time to time in reports filed by CN with securities regulators in Canada and the United States. Reference should be made to CN’s most recent Form 40-F filed with the United States Securities and Exchange Commission, its Annual Information Form filed with the Canadian securities regulators, and its 2006 Annual Consolidated Financial Statements and Notes thereto and Management’s Discussion and Analysis (MD&A), for a summary of major risks.

CN – Canadian National Railway Company – 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 cities 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.

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