TransCanada Annual Meeting of Shareholders, and First Quarter 2004 Teleconference and Web Cast Advisory

CALGARY, Alberta – April 15, 2004 – (TSX:TRP) (NYSE:TRP) - TransCanada Corporation will hold its Annual and Special Meeting of Shareholders beginning at 10:30 a.m. (Mountain) / 12:30 p.m. (Eastern) on Friday, April 23, 2004. The meeting will take place at the Hyatt Regency Hotel (700 Centre St. S.E.) in Calgary, Alberta. A live audio Web cast of the meeting will be available on TransCanada’s Web site at http://www.transcanada.com/ beginning at 10:30 a.m. (Mountain) / 12:30 p.m. (Eastern). The meeting Web cast will be archived and available for replay.

TransCanada will release its first quarter 2004 financial results in the morning of Friday, April 23, 2004. The company will hold a teleconference April 23 at 1 p.m. (Mountain) / 3 p.m. (Eastern) to discuss the first quarter 2004 financial results and general developments and issues concerning the company. Analysts, members of the media and other interested parties wanting to participate in the call should dial 1-800-387-6216 or 416-405-9328 (Toronto area) at least 10 minutes prior to the start of the call. No pass code is required. A replay of the teleconference will be available two hours after the conclusion of the call until midnight, April 30, 2004, by dialing 1-800-408-3053 or 416-695-5800 (Toronto area) and entering pass code 3036277.

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, then media. A live audio Web cast of the teleconference will also be available on TransCanada’s Web site. The teleconference Web cast will be archived and available for replay.

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 39,000 kilometres (24,200 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 nearly 4,700 megawatts of power – an equal amount of power can meet the needs of about 4.7 million average households. TransCanada’s common shares trade under the symbol TRP on the Toronto and New York stock exchanges.

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For further information, please contact:

Media Inquiries:
Hejdi Feick / Kurt Kadatz
(403) 920-7859

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