In accordance with Certificate Condition 6 and Order Condition 7, NGTL encloses Commitment Tracking Table No. 5 for the Project. The reporting period for this submission is June 1, 2017 to June 29, 2017.

This document is a comprehensive report on a company's activities throughout the preceding year.

In accordance with Certificate Condition 6 and Order Condition 7, NGTL encloses Commitment Tracking Table No. 8 for the Project. The reporting period for this submission is September 1, 2017 to 28, 2017.

In accordance with Certificate Condition 6 and Order Condition 7, NGTL encloses Commitment Tracking Table No. 7 for the Project. The reporting period for this submission is July 29, 2017 to August 31, 2017.

For close to 50 years, Canadians have recognized Environment Week across the country. In 2017 TransCanada is celebrating some of the amazing work our environmental partners are doing across North America. From protecting ecologically significant habitat to encouraging environmental stewardship among our youth, these partners do great work we're proud to be a part of.

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

2021 NGTL System Expansion — Commitment Tracking Table No. 20

2021 NGTL System Expansion — Commitment Tracking Table No. 18