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.

Ce rapport annuel est un rapport complet sur les activités d’une entreprise au cours de l’année précédente.

Age: 71, City: Calgary, Alberta, Canada, Director Since: 2005

Learn how TransCanada contractor and volunteer firefighter, Chris Wheeler, demonstrated heroic efforts during Hurricane Harvey.

“Sustainability reporting and disclosure is about putting our performance – positive and negative – out there and embracing the opportunity to hear feedback from outside sources on where we are doing well and where we can improve."

Learn how a "crazy idea" from front-line TransCanada employees to run a PIG (Pipeline Inspection Gauge) almost 1,000 kilometres in a gas pipeline energized the workforce to overcome challenges and resulted in a North American record and a new standard in gas pipeline.