This document provides an overview of the key factors that have influenced how TransCanada has performed in its recent past, its financial condition, and its future prospects.

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

n accordance with Certificate Condition 21 and Condition 5 of the Order, NGTL encloses the Commitment Tracking Table for the Project. The reporting period for this submission is June 16, 2017 to July 15, 2017.

In accordance with Certificate Condition 21 and Condition 5 of the Order, NGTL encloses the Commitment Tracking Table for the Project. The reporting period for this submission is May 15, 2017 to June 15, 2017.

In accordance with Certificate Condition 21 and Condition 5 of the Order, NGTL encloses the Commitment Tracking Table for the Project. The reporting period for this submission is September 16, 2017 to October 15, 2017.