United States Steel Corporation (NYSE:X) Q4 2020 Earnings Conference Call January 29, 2021 8:30 AM ET Company Participants Kevin Lewis - Vice President-Investor Relations and Corporate FP&A 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 Development Officer Conference Call Participants Chris Terry - Deutsche Bank Seth Rosenfeld - Exane BNP David Gagliano - BMO Capital Market ...