TC PipeLines, LP to Announce Second Quarter 2013 Financial Results and Cash Distribution on July 24

HOUSTON, TEXAS--(Marketwired - July 10, 2013) - TC PipeLines, LP (NYSE:TCP) (the Partnership) will announce both its second quarter 2013 financial results and cash distribution on Wednesday, July 24, 2013. Steve Becker, president of the general partner, will discuss the Partnership's financial results and latest developments in a teleconference and webcast on Wednesday, July 24 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 866.223.7781. 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 July 31, 2013, by calling 800.408.3053, then entering pass code 1767681.

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, Northern Border Pipeline Company, 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 TransCanada Corporation (NYSE: TRP). TC PipeLines GP, Inc. and another TransCanada subsidiary also hold common units of TC PipeLines, LP. For more information about TC PipeLines, LP, visit the Partnership's website at www.tcpipelineslp.com.