TransCanada Statement Regarding NEB Decision on Canadian Mainline Restructuring Proposal

TransCanada Statement Regarding NEB Decision on Canadian Mainline Restructuring 
CALGARY, ALBERTA -- (Marketwire) -- 03/27/13 -- TransCanada
Corporation (TSX:TRP) (NYSE:TRP) (TransCanada) today responded to the
National Energy Board (NEB) decision on TransCanada's 2012-2013
restructuring proposal for tolls and service on the Canadian
Mainline. The NEB decision was released this afternoon following a
lengthy public hearing that concluded last December. 
After an initial review of the 257-page decision, which was based on
thousands of pages of testimony, the company provided the following
"The National Energy Board has approved some of TransCanada's
proposals related to Mainline tolls and has denied a number of the
fundamental concepts we put forward to improve competitiveness and
recover costs. The board has also introduced several new elements
that were not part of our application, including fixing tolls outside
the timeframe applied for. This is a long and complex decision and we
will need time to complete a full analysis before we can comment any
further on how this decision will impact TransCanada." 
The NEB's Reasons for Decision RH-003-2011 is available online at 
The Canadian Mainline is an important piece of North America's
natural gas network, connecting the gas fields of the Western Canada
Sedimentary Basin (WCSB) to the high-population markets of Ontario
and Quebec. Usage of the Mainline has shifted from long-haul,
base-load shipments to one providing a greater proportion of
short-haul, seasonal peaking use. As the largest natural gas
transportation system on the continent, significant Mainline capacity
is still required to provide gas to eastern markets, particularly
during the coldest months of the year. 
TransCanada submitted a comprehensive proposal to restructure its
services and tolling on the Canadian Mainline in response to the
significant changes that have occurred in the North American natural
gas market over the last five years that have fundamentally altered
the usage patterns on the Mainline. The changes proposed were a
balanced solution that intended to decrease tolls from the WCSB to
markets, for the benefit of all stakeholders.  
(ii) Note to reporters: This statement will be the extent of
TransCanada's comment on the decision at this time. 
With more than 60 years' experience, TransCanada is a leader in the
responsible development and reliable operation of North American
energy infrastructure including natural gas and oil pipelines, power
generation and gas storage facilities. TransCanada operates a network
of natural gas pipelines that extends more than 68,500 kilometres
(42,500 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 more than 400
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 is
developing one of North America's largest oil delivery systems.
TransCanada's common shares trade on the Toronto and New York stock
exchanges under the symbol TRP. For more information visit: or check us out on Twitter @TransCanada or  
FORWARD LOOKING INFORMATION This publication contains certain
information that is forward-looking and is subject to important risks
and uncertainties (such statements are usually accompanied by words
such as "anticipate", "expect", "would", "will" or other similar
words). Forward-looking statements in this document are intended to
provide TransCanada security holders and potential investors with
information regarding TransCanada and its subsidiaries, including
management's assessment of TransCanada's and its subsidiaries' future
financial and operation plans and outlook. All forward-looking
statements reflect TransCanada's beliefs and assumptions based on
information available at the time the statements were made. Readers
are cautioned not to place undue reliance on this forward-looking
information. TransCanada undertakes no obligation to update or revise
any forward-looking information except as required by law. For
additional information on the assumptions made, and the risks and
uncertainties which could cause actual results to differ from the
anticipated results, refer to TransCanada's Management's Discussion
and Analysis filed February 13, 2013 under TransCanada's profile on
SEDAR at and other reports filed by TransCanada with
Canadian securities regulators and with the U.S. Securities and
Exchange Commission.
Media Enquiries
Shawn Howard/Grady Semmens
403.920.7859 or 800.608.7859 
Investor & Analyst Enquiries
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403.920.7911 or 800.361.6522
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