TransCanada Second Quarter 2005 Teleconference and Webcast Advisory July 29, 9 a.m. (Mountain) / 11 a.m. (Eastern)

CALGARY, Alberta – July 13, 2005 – (TSX: TRP) (NYSE: TRP) – TransCanada Corporation will release its second quarter 2005 financial results during the morning of Friday, July 29, 2005.

Analysts, members of the media and other interested parties are invited to participate in a teleconference and audio webcast July 29 at 9 a.m. (Mountain) / 11 a.m. (Eastern) to discuss the second quarter 2005 financial results, and general developments and issues concerning the company.

To participate, please call 1-866-546-6145 or 416-406-4206 (Toronto area). Please dial in 10 minutes prior to the start of the call. No passcode is required. A live audio webcast of the teleconference will also be available on TransCanada’s website (www.transcanada.com).

The conference will begin with a short address by members of TransCanada’s executive management, followed by a question and answer period for investment analysts. A question and answer period for members of the media will immediately follow.

A replay of the teleconference will be available two hours after the conclusion of the call until midnight (Eastern) August 5, 2005. Please call 1-800-408-3053 or 416-695-5800 (Toronto area) and enter passcode 3158123. The webcast will be archived and available for replay on www.transcanada.com.

TransCanada is a leading North American energy company. TransCanada is focused on natural gas transmission and power services with employees who are expert in these businesses. TransCanada’s network of approximately 41,000 kilometres (25,600 miles) of pipeline transports the majority of Western Canada’s natural gas production to the fastest growing markets in Canada and the United States. TransCanada owns, controls or is constructing approximately 5,700 megawatts of power generation – an amount of power that can meet the needs of about 5.7 million average households. TransCanada announced in May that it plans to sell its interests in TransCanada Power, L.P., which owns a 744 megawatt power portfolio. The Company’s common shares trade under the symbol TRP on the Toronto and New York stock exchanges.

For further information, please contact:

Media Inquiries:
Kurt Kadatz / Hejdi Feick
(403) 920-7859 or Toll Free (800) 608-7859

Investor & Analyst Inquiries:
David Moneta
(403) 920-7911