Table of Contents Index to Financial Statements SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused the report to be signed on its behalf by the undersigned, thereunto duly authorized. Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed, as of February 28, 2019, on behalf of the Registrant below by the following officers and by a majority of the directors. Dated: February 28, 2019 SOUTHWESTERN ENERGY COMPANY By: /s/ JULIAN M. BOTT Julian M. Bott Executive Vice President and Chief Financial Officer 135 /s/ WILLIAM J. WAY Director, President and Chief Executive Officer William J. Way (Principal executive officer) /s/ JULIAN M. BOTT Executive Vice President and Chief Financial Officer Julian M. Bott (Principal financial officer) /s/ COLIN P. O’BEIRNE Vice President, Controller Colin P. O’Beirne (Principal accounting officer) /s/ JOHN D. GASS Director John D. Gass /s/ CATHERINE KEHR Director Catherine Kehr /s/ GREG D. KERLEY Director Greg D. Kerley /s/ GARY P. LUQUETTE Director Gary P. Luquette /s/ JON A. MARSHALL Director Jon A. Marshall /s/ PATRICK M. PREVOST Director Patrick M. Prevost /s/ TERRY W. RATHERT Director Terry W. Rathert /s/ ANNE TAYLOR Director Anne Taylor