TRC 2018 Sustainability Report TRC 2018 Sustainability Report | Page 3

CONTENTS A Letter from the CEO 2 OUR PATH FORWARD 5 Creating Value Through our Vision 6 Engaging with our Stakeholders 7 Setting Targets for Material Issues 8 2020 Sustainability Objectives and Targets 9 DELIVERING IN THE MARKET 11 Perspectives on the Market 12 Clean Energy and Climate Action 13 Sustainable Infrastructure 15 Focusing on ESG 17 OPERATIONAL EXCELLENCE 19 Managing Risk 20 Prioritizing Safety 22 Complying with Requirements 24 Improving our Footprint 26 Sustainability Success Stories 30 Partnering with our Suppliers 33 INVESTING IN OUR EMPLOYEES 35 Recruiting and Retaining Top Talent 36 Promoting Professional Development 38 Building Sustainability Connections 40 Sharing our Expertise 41 Engaging in Our Communities 44 ABOUT OUR REPORT 48 GRI Content Index 49