CALGARY, Alberta – May 24, 2018 – News Release – TransCanada Corporation (TSX, NYSE: TRP) (TransCanada) announced today that the National Energy Board (NEB) has recommended the federal government approve a variance to the previously issued North Montney Mainline Project certificate, which would allow construction to start on the proposed $1.4 billion natural gas project in northeast British Columbia.

The fact sheet describes key points about continually improving the integrity and reliability of TransCanada’s pipelines and it's assets. This is TransCanada’s highest priorities.

TransCanada today announced it has placed the Western Build of its WB XPress (WBX) project into service. The Western Build of WBX is designed to move approximately 760 million cubic feet of natural gas per day to a delivery point on Tennessee Gas Pipeline’s Broad Run System for transportation to the Gulf Coast.