TC PipeLines, LP Announces First Quarter Cash Distribution

OMAHA, NEBRASKA--(Marketwire - April 19, 2011) - TC PipeLines, LP (NASDAQ:TCLP) (the Partnership) yesterday announced the board of directors of TC PipeLines GP, Inc., its general partner, declared the Partnership's first quarter 2011 cash distribution of $0.75 per common unit. The distribution is equivalent to the fourth quarter 2010 and is payable on May 13, 2011, to unitholders of record at the close of business on April 30, 2011.

This cash distribution is the 48th consecutive quarterly distribution paid by the Partnership.

TC PipeLines, LP has interests in over 3,900 miles of federally regulated U.S. interstate natural gas pipelines including Great Lakes Gas Transmission Limited Partnership, Northern Border Pipeline Company, North Baja Pipeline, LLC and Tuscarora Gas Transmission Company. These pipelines serve markets across the United States and Eastern Canada. 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.