TransCanada PipeLines Issues US$1B of 6.35% Notes

On March 20, 2007, TransCanada PipeLines filed a final short-form base shelf prospectus with the Alberta Securities Commission and with the Securities and Exchange Commission in the United States under the Multijurisdictional Disclosure System pursuant to which it may issue, from time to time, up to US$1.5 billion in debt securities.

On May 3, 2007, TransCanada PipeLines closed a public offering of 6.35 per cent junior subordinated “hybrid” notes, due 2067, in an aggregate amount of US$1 billion, which notes receive equity credit from ratings agencies. The offering was made pursuant to a prospectus supplement dated April 30, 2007 to TransCanada PipeLine's March 20, 2007 short-form base shelf prospectus. The offering was underwritten by a syndicate led by Deutsche Bank Securities Inc., Citigroup Global Markets Inc. and J.P. Morgan Securities Inc., and included HSBC Securities (USA) Inc., Lazard Capital Markets LLC, Mizuho Securities USA Inc., and SG Americas Securities, LLC.

TransCanada PipeLines was represented in-house by Robert Pitt, vice-president, finance law, Bruce Nysetvold, senior legal counsel; and by David Lefebvre, David Taniguchi, Kristi Kasper and Charles Kraus (securities) and David Weekes (tax) of Stikeman Elliott LLP, as Canadian counsel; and by Michael Hermsen, Jennifer Keating and Maria Khersonskaya (securities) and Jim Barry and Aimee Meacham (tax) of Mayer, Brown, Rowe & Maw LLP as US counsel. Christopher Cummings, Stephen Centa, Jeremy Grushcow and Shane Smyth of Shearman & Sterling LLP acted as counsel for the underwriters.

Lawyer(s)

David G. Weekes David Taniguchi Kristi M. Kasper David R.J. Lefebvre Charles R. (Chuck) Kraus

Firm(s)

Stikeman Elliott LLP Mayer Brown LLP Shearman & Sterling LLP