In accordance with Condition 5 of the Certificate and Condition 6 of Order XG-N081-013-2016, NGTL encloses the Commitment Tracking Table for the Project. The reporting period for this submission is March 31, 2015 to December 15, 2016.

On July 17, 2022, we were made aware of a non-operational incident resulting from third-party damage to the power supply to a facility on the Keystone Pipeline System near Huron, South Dakota.

The 266 km (165 mile) south section of the Peace River Mainline (part of the NGTL System) will be retired.

Notice of Public Hearing for 2021 System Expansion Project dated for July 16, 2018.

2024 CALGARY, Alberta, March 04, 2024 (GLOBE NEWSWIRE) — News Release – TC Energy Corporation (TSX, NYSE: TRP) (TC Energy or the Company) and its partner Northern New England Investment Company, Inc., a subsidiary of Énergir L.P. (Énergir), have entered into a purchase and sale agreement to sell Portland Natural Gas Transmission System (PNGTS) to BlackRock, through a fund managed by its Diversified Infrastructure business, and investment funds managed by Morgan Stanley Infrastructure Partners (the Buyer), for a gross purchase price of US$1.14 billion, which includes the assumption of US$250 million of outstanding Senior Notes held at PNGTS. This transaction implies a valuation of approximately 11.0 times reported 2023 comparable EBITDA.