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(Source: CN press release, March 23, 2012)

MONTREAL, March 23, 2012 — CN 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.

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.