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.

Keystone System — NEB Tariff No. 23

This submission for the Commitment Tracking Table No. 1 is dated from March 24, 2017 to January 5, 2018 for Sundree Crossover Project.

The Company endeavors to create opportunities for qualified and competitive Diverse and Local Businesses and individuals to benefit from the Company’s projects and operational activities. This is important for securing public confidence where we build and operate. It also provides the Company a competitive advantage as a leader in Supplier Diversity and Local Participation among energy infrastructure companies in North America.