Market Regulation Services Inc.

Market Regulation Services Inc.

October 22, 2007 16:22 ET

Market Regulation Services Notice: Halt; Canadian National Railway Co.

TORONTO, ONTARIO--(Marketwire - Oct. 22, 2007) - The following issue(s) have been halted today:



Company Canadian
National Railway
Co.

TSX Symbol CNR

Reason Pending News

Halt Time (EST) 16:10:00

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