TransCanada announced that its Keystone Pipeline repair and restart plans have been reviewed by the Pipeline and Hazardous Materials Safety Administration (PHMSA) with no objections, permitting a safe and controlled return to service of the Keystone System.

tc-acceptable-use-policy.pdf

CALGARY, ALBERTA--(Marketwired - Sept. 6, 2017) - Media Advisory - TransCanada Corporation (TSX:TRP)(NYSE:TRP) (TransCanada) today announced an extension of the Keystone System Open Season to October 26, 2017 due to the historic flooding and catastrophic impacts to Houston and parts of the U.S. Gulf Coast.

On Tuesday, Oct. 15, we announced that the iconic building at 700 Louisiana Street in Houston, previously the Bank of America Center, has been renamed the TC Energy Center. The TC Energy Center is a testament to the growth of our people and our operations – in Houston and across the country.

tc-Marketlink-FERC-No-3.1.0-Rate-Schedule.pdf