TransCanada Corporation announced today that it will proceed with construction of the Coastal GasLink pipeline project (Coastal GasLink) after a decision to sanction the LNG Canada natural gas liquefaction facility in Kitimat, British Columbia (B.C.) was announced earlier today by the joint venture participants of LNG Canada, a consortium comprised of Shell, PETRONAS, PetroChina, Mitsubishi Corporation and KOGAS (the LNG Canada Participants).

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The Management’s Discussion and Analysis (MD&A) dated February 22, 2007 should be read in conjunction with the audited Consolidated Financial Statements of TransCanada PipeLines Limited (TCPL or the Company) and the notes thereto for the year ended December 31, 2006.