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.

Stretching 3,340 miles (5,375 km), Columbia Gulf connects to virtually every major pipeline in the U.S. Gulf Coast and to additional Midwestern lines.

tce-carbon-disclosure-project.pdf

This document provides a comprehensive report on a company's activities throughout the preceding year.

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

Located in British Columbia’s Peace River Regional District, the North Montney Mainline (NMML) provides the critical natural gas transmission infrastructure required to connect natural gas producers and downstream markets throughout Canada and the United States, generating tax revenues for hospitals, schools and more in some of B.C.’s more remote communities.