This annual report is a comprehensive report on a company's activities throughout the preceding year.

FERC No. 7.26.0 International Joint Rate Tariff Containing Rates Applying to the Transportation of Petroleum (effective February 1, 2022)

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.

tce-FERC-6.92.0-TransCanada-Keystone-Rate-Schedule.pdf