CN to hold annual meeting of shareholders in Halifax, N.S., on April 24, 2012

MONTREAL, March 23, 2012 /PRNewswire/ – CN (TSX: CNR) (NYSE: CNI) will
hold its 2012 annual meeting of shareholders in Halifax, N.S., on April
24, 2012.

The meeting will be held in the Grand Ballroom (Room 200C) of the World
Trade and Convention Centre, 1800 Argyle Street, starting at 10 a.m.
Atlantic Daylight Time. CN will provide an audio webcast of the
proceedings via the Investors section of its website, www.cn.ca/investors.

The company’s Management Information Circular and Notice of Annual
Meeting of Shareholders, its 2011 Annual Report, and the 2011 Annual
Information Form and Form 40-F are available in the Investors section
of CN’s website.

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.

SOURCE CN