United States Steel Corporation (NYSE:X) Q1 2021 Earnings Conference Call April 30, 2021 8:30 AM ET Company Participants Kevin Lewis - Vice President of Investor Relations David Burritt - President and Chief Executive Officer Christie Breves - Senior Vice President and Chief Financial Officer Rich Fruehauf - Senior Vice President and Chief Strategy and Sustainability Officer Conference Call Participants Karl Blunden - Goldman Sachs David Gagliano - BMO Capital Markets Seth Rosenfeld - Exane BNP Sathish Kasi ...