HOUSTON, TEXAS--(Marketwired - Apr 14, 2014) - TC PipeLines, LP (NYSE:TCP) (the Partnership) will announce both its first quarter 2014 financial results and cash distribution on Monday, April 28, 2014. Steve Becker, president of the general partner, will discuss the Partnership's financial results and latest developments in a teleconference and webcast on Monday, April 28 at 10 a.m. central daylight time (CDT)/11 a.m. eastern daylight time (EDT).

Analysts, members of the media and other interested parties are invited to participate by calling
866.226.1793. Please dial in 10 minutes prior to the start of the call. No pass code is required. A
live webcast will also be available through the Partnership's website at www.tcpipelineslp.com.
Slides for the conference call will be posted on the Partnership's website under "Events and
Presentations" prior to the webcast.

A replay of the teleconference will also be available two hours after the conclusion of the call and
until 11 p.m. (CDT) and midnight (EDT) on May 5, 2014, by calling 800.408.3053, then
entering pass code 9427529.

TC PipeLines, LP is a Delaware master limited partnership with interests in six federally regulated U.S. interstate natural gas pipelines which serve markets in the Western and Midwestern United States. The Partnership is managed by its general partner, TC PipeLines GP, Inc., a subsidiary of TransCanada Corporation (NYSE:TRP). For more information about TC PipeLines, LP, visit the Partnership's website at www.tcpipelineslp.com???.