CN to report fourth-quarter, full-year 2011 financial and operating results on Jan. 24, 2012

MONTREAL, Jan. 23, 2012 — CN (TSX: CNR) (NYSE: CNI) will issue its fourth-quarter 2011 and full-year 2011 financial and operating results tomorrow, Jan. 24, 2012, at 8 a.m. Eastern Time (ET).

CN's senior officers will review the results and the railway's outlook at 2 p.m. ET tomorrow in a conference call/webcast.

Parties interested in participating in, or listening to, the fourth-quarter 2011 presentation and following question-and-answer period by telephone should dial 1-800-355-4959 or 416-641-6122 by 1.50 p.m. ET Jan. 24.

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 at 1.30 p.m. ET Jan. 24. A webcast replay will be available 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.