Susan M. Mackenzie

Ms. MacKenzie was appointed to the board on June 17, 2020. Ms. MacKenzie is a corporate director with over 25 years of energy sector experience. Most recently she was Chief Operating Officer at Oilsands Quest Inc. from April to September 2010. Prior thereto, Ms. MacKenzie spent twelve years at Petro‐Canada in progressive technical, operational and strategic roles, including Vice President Human Resources and Vice‐President In Situ Oilsands Development and Operations. Her industry experience also includes 14 years with Amoco Canada in a variety of engineering and leadership roles in natural gas, conventional oil and heavy oil exploitation. Ms. MacKenzie holds a B. Eng. (Mechanical) from McGill University, an MBA from the University of Calgary, is a Life Member of the Association of Professional Engineers and Geoscientists of Alberta and an Institute of Corporate Directors‐ certified director. Ms. MacKenzie is currently a director of Enerplus Corporation, Precision Drilling Corporation, and Freehold Royalties Ltd. She is a past director of the Calgary Women’s Emergency Shelter and Safe Haven Foundation as well as numerous for‐profit, not‐for‐profit, private and academic advisory boards.