The Management’s Discussion and Analysis dated March 1, 2005 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, 2004. Amounts are stated in Canadian dollars unless otherwise indicated.

Spanning more than 420 km (261 miles) from Tula, Hidalgo, and ends in Villa de Reyes, San Luis Potosí, the completed Villa de Reyes Pipeline will transport natural gas to power generation facilities in Central Mexico.

This document is 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.

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