TransCanada Media Advisory

CALGARY, ALBERTA--(Marketwire - Dec. 1, 2009) - A record-breaking donation will be unveiled by TransCanada (TSX:TRP) (NYSE:TRP) and its employees to United Way of Calgary and Area on Thursday, December 3, 2009.

TransCanada employees, contractors, retirees and leaders from United Way will celebrate this accomplishment at an unveiling ceremony.

When:  Thursday, December 3, 2009
       2:00 p.m. - 2:30 p.m.

Where: TransCanada Tower Lobby
       450 - 1st Street SW, Calgary, Alberta

What:  Unveiling record donation by TransCanada to United Way

Who:   Alex Pourbaix, TransCanada president, Energy and executive
       vice-president Corporate Development
       Art Korpach, United Way of Calgary and Area campaign co-chair
       Holly Yaschuk, TransCanada campaign coordinator

Media interview and photo opportunities will be available following the announcement.

With more than 50 years' experience, TransCanada is a leader in the responsible development and reliable operation of North American energy infrastructure including natural gas pipelines, power generation, gas storage facilities, and projects related to oil pipelines. TransCanada's network of wholly owned pipelines extends more than 59,000 kilometres (36,500 miles), tapping into virtually all major gas supply basins in North America. TransCanada is one of the continent's largest providers of gas storage and related services with approximately 370 billion cubic feet of storage capacity. A growing independent power producer, TransCanada owns, or has interests in, over 11,800 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.

TransCanada
Media Inquiries:
Cecily Dobson
(403) 920-7859
or
Media Inquiries:
Terry Cunha
(800) 608-7859
www.transcanada.com