TC PipeLines, LP Announces Filing of 2010 Annual Report on Form 10-K

HOUSTON, TEXAS--(Marketwire - Feb. 25, 2011) - TC PipeLines, LP (NASDAQ:TCLP) today filed its Annual Report on Form 10-K for the year ended December 31, 2010, including audited financial statements, with the U.S. Securities and Exchange Commission.

A copy of the Form 10-K is available to view, print or download under the Investor Center, Regulatory Filings section, of the TC PipeLines, LP website at: www.tcpipelineslp.com/RegulatoryFilings.html. 

Any unitholder wishing to receive a paper copy of the Annual Report may obtain one free of charge upon request by contacting the TC PipeLines, LP Secretary at 1.800.661.3805.

TC PipeLines, LP has interests in approximately 3,700 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 100 percent ownership of North Baja Pipeline, LLC and Tuscarora Gas Transmission Company. TC PipeLines, LP is managed by its general partner, TC PipeLines GP, Inc., an indirect wholly owned subsidiary of TransCanada Corporation. TC PipeLines GP, Inc. also holds common units of TC PipeLines, LP. Common units of TC PipeLines, LP are quoted on the NASDAQ Global Select Market and trade under the symbol "TCLP." For more information about TC PipeLines, LP, visit the Partnership's website at www.tcpipelineslp.com.