TC PipeLines, LP Announces Leadership Change and Board Appointment

Mon Mar 25, 2013 2:15pm EDT

* Reuters is not responsible for the content in this press release.

  HOUSTON, TEXAS, Mar 25 (MARKET WIRE) --
TC PipeLines, LP (NYSE:TCP) (the "Partnership") today announced that
Gregory Lohnes has resigned from his positions as Chairman of the Board
and Director of TC PipeLines GP, Inc., the General Partner of the
Partnership, effective March 25, 2013. Mr. Lohnes will continue in his
role as Executive Vice-President, Operations and Major Projects of
TransCanada PipeLines Limited, the indirect parent company of the General
Partner and a wholly-owned subsidiary of TransCanada Corporation
("TransCanada").

    "Greg has been a strong leader of our board and played an important role
in the strategy and growth of the Partnership serving as a director since
2007 and Chairman since 2010," said Steve Becker, President of the
General Partner. "His disciplined approach has guided our success and
will provide a strong foundation for us to continue to deliver long-term
value to our unitholders."

    Also effective March 25, 2013, Karl Johannson has been appointed Chairman
of the Board and Director of TC PipeLines GP, Inc. Mr. Johannson's
principal occupation is Executive Vice-President and President, Natural
Gas Pipelines of TransCanada, a position he has held since November 2012
and where he is responsible for TransCanada's natural gas pipelines and
regulated natural gas storage business in Canada, the U.S. and Mexico.
Prior to that, he was Senior Vice-President, Canadian and Eastern U.S.
Pipelines. Mr. Johannson has been with TransCanada for 23 years.

    "Karl brings extensive experience in the North American natural gas
industry and, as such, will provide invaluable knowledge and leadership
to our Board of Directors in its continued effort to drive long-term
unitholder value," added Mr. Becker.

    TC PipeLines, LP is a Delaware master limited partnership with interests
in 5,560 miles of federally regulated U.S. interstate natural gas
pipelines which serve markets across the United States and Eastern
Canada. This includes significant interests in Great Lakes Gas
Transmission Limited Partnership and Northern Border Pipeline Company as
well as 25 percent ownership interest in each of Gas Transmission
Northwest LLC, and Bison Pipeline LLC. The Partnership also wholly owns
North Baja Pipeline, LLC and Tuscarora Gas Transmission Company. The
Partnership is managed by its general partner, TC PipeLines GP, Inc., an
indirect wholly-owned subsidiary of the Partnership's sponsor,
TransCanada Corporation (NYSE: TRP). TC PipeLines GP, Inc. also holds
common units of TC PipeLines, LP. For more information about TC
PipeLines, LP, visit the Partnership's website at www.tcpipelineslp.com.

Contacts:
TC PipeLines, LP
Media Inquiries:
Grady Semmens/Shawn Howard
403.920.7859 or 800.608.7859

TC PipeLines, LP
Unitholder and Analyst Inquiries:
Rhonda Amundson
877.290.2772
investor_relations@tcpipelineslp.com
www.tcpipelineslp.com

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