A Message from Our CEO 4 A Message from Your Board of Directors 30 Customers 5 Report Highlights 36 Communities 6 Regions at a Glance 40 Environment 11 Corporate Governance 45 GRI Content Index 19 Advancing Sustainability About This Report The 2018 Environmental, Social, and Governance Report (this Report) covers the period of January 1 through December 31, 2018, unless otherwise noted.