This report describes the Commitment Tracking Table No. 4 dated from September 2, 2015 to May 31, 2017 for the Towerbirch Expansion Project.

TC Energy Corporation announced today that it has approved two new expansion projects totaling $1.3 billion on its wholly-owned natural gas pipeline systems. The $0.9 billion 2023 NGTL Intra-Basin System Expansion will deliver natural gas from the Western Canadian Sedimentary Basin (WCSB) to markets within Alberta on the NOVA Gas Transmission Ltd. (NGTL) System, while the US$0.3 billion Alberta XPress project will see the expansion of the ANR Pipeline (ANR) to provide a seamless path for Canadian production to access growing LNG export and other markets along the U.S. Gulf Coast.

North Corridor Expansion Project - PPBoR - North Star Section 2.pdf