The document listed below in this Section and filed as Exhibit 99.1 to this Form 6-K is hereby filed with the Securities and Exchange Commission for the purpose of being and hereby is incorporated by reference into Registration Statement on Form F-9 (Reg. No. 333-121265) under the Securities Act of 1933, as amended.

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.

tc-bod-bio-francois-poirier.pdf

With our own natural gas power-generation facilities backing sales, we can provide clients with both financial and physical power products at a fixed price for a month, a year or a decade and can be tailored to any business need.

tce-hire-buy-local.pdf

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

TC Energy commends President Donald J. Trump and U.S. Senator Dave McCormick on a successful inaugural Pennsylvania Energy and Innovation Summit today. TC Energy is investing billions of dollars in energy infrastructure, including approximately US$400 million in maintenance and modernization of the company’s 1,600-mile Pennsylvania pipeline network.