2021 NGTL System Expansion — Commitment Tracking Table No. 18

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.

2021 NGTL System Expansion — Commitment Tracking Table No. 20

In accordance with Certificate Condition 6 and Order Condition 7, NGTL encloses Commitment Tracking Table No. 3 for the Project. The reporting period for this submission is April 3, 2017 to April 30, 2017.

All aspects of the life cycle of a pipeline – from design and construction to operation and retirement – are guided by our comprehensive Operational Management System and strictly overseen by regulatory agencies and government departments. That's why every TC Energy pipeline is rigorously and precisely built with high-quality materials and the latest proven technology, and monitored by expert staff, every step of the way. Take the journey with us, and learn about the life cycle of a pipeline from planning to monitoring and beyond.

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.