TransCanada Fourth Quarter 2006 Teleconference and Webcast Advisory

CALGARY, ALBERTA--(CCNMatthews - Jan. 17, 2007) - TransCanada Corporation (TSX:TRP)(NYSE:TRP) will release its fourth quarter 2006 financial results Tuesday, January 30, 2007.

Analysts, members of the media and other interested parties are invited to participate in a teleconference and webcast January 30 at 1 p.m. (Mountain) / 3 p.m. (Eastern) to discuss the fourth quarter 2006 financial results, and general developments and issues concerning the company.

To participate in the teleconference, please call (866) 898-9626 or (416) 340-2216 (Toronto area). Please dial in 10 minutes prior to the start of the call. No pass code is required. A live 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) February 6, 2007. Please call (800) 408-3053 or (416) 695-5800 (Toronto area) and enter pass code 3210334. The webcast will be archived and available for replay on www.transcanada.com.

TransCanada is a leader in the responsible development and reliable operation of North American energy infrastructure including natural gas pipelines and storage facilities, and power generation. For 50 years, TransCanada has transported the majority of Western Canada's natural gas production to key Canadian and U.S. markets. On closing of the acquisition of the ANR Pipeline Company and ANR Storage Company announced Dec. 22, 2006, TransCanada's network of wholly owned pipelines will extend more than 59,000 kilometres (36,500 miles), tapping into virtually all major gas supply basins in North America. TransCanada will also become one of the continent's largest providers of gas storage and related services with approximately 360 billion cubic feet of storage capacity. A growing independent power producer, TransCanada owns, or has interests in, approximately 7,700 megawatts of power generation in Canada and the United States. TransCanada's common shares trade on the Toronto and New York stock exchanges under the symbol TRP.

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FOR FURTHER INFORMATION PLEASE CONTACT:

TransCanada
Media Inquiries
Jennifer Varey/Shela Shapiro
(403) 920-7859 or (800) 608-7859

OR

Investor & Analyst Inquiries
David Moneta/Myles Dougan
(403) 920-7911 or (800) 361-6522 ext.7911
Website: www.transcanada.com

INDUSTRY: Energy and Utilities-Oil and Gas
SUBJECT: CAL