In accordance with Certificate Condition 21 and Condition 5 of the Order, NGTL encloses the Commitment Tracking Table for the Project. As required, NGTL is posting the North Montney Project commitment tracker to its external webpage. The reporting period for this second submission is May 15, 2015 to July 15, 2015.

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 February 15, 2017 to March 15, 2017.

In accordance with Certificate Condition 21 and Condition 5 of the Order, NGTL encloses the Commitment Tracking Table for the Project. As required, NGTL is posting the North Montney Project commitment tracker to its external webpage. The reporting period for this third submission is May 15, 2015 to August 21, 2015.

The Canadian Mainline is 14,114 km (8,770 mile) in length and safely carries natural gas from the Western Canada Sedimentary Basin (WCSB) to Ontario and beyond. The map depicts the pipeline's central section viewed from Manitoba to Ontario.

The document listed below in this Section and filed as Exhibit 99.1 to this Form 6-K is hereby filed with the Securities and Exchange Commission for the purpose of being and hereby is incorporated by reference into Registration Statement on Form F-9 (Reg. No. 333-121265) under the Securities Act of 1933, as amended.

The Management’s Discussion and Analysis (MD&A) dated February 22, 2007 should be read in conjunction with the audited Consolidated Financial Statements of TransCanada PipeLines Limited (TCPL or the Company) and the notes thereto for the year ended December 31, 2006.

Prince Rupert Gas Transmission is a proposed 900 km (559 mile) pipeline that will deliver natural gas from a point near Hudson’s Hope to the Pacific NorthWest LNG Facility near Prince Rupert, B.C., Canada.

Spanning more than 420 km (261 miles) from Tula, Hidalgo, and ends in Villa de Reyes, San Luis Potosí, the completed Villa de Reyes Pipeline will transport natural gas to power generation facilities in Central Mexico.

The Tamazunchale Pipeline is a 370 km (230 miles) natural gas pipeline, comprised of two segments: Naranjos – El Sauz (130 km) and Tamazunchale - El Sauz, better known as the Tamazunchale Extension (240 km). The pipeline serves communities on the East Coast of Mexico and Central Mexico.

The Guadalajara Pipeline connects to an LNG facility located near Manzanillo on the Pacific Coast of Mexico. It has capacity to transport 500 million cubic feet of natural gas per day to a nearby power plant and transport 320 million cubic feet per day to a pipeline system near Guadalajara.