Signature and Title as of February 18, 2020: REBECCA J. KUJAWA JAMES M. MAY Rebecca J. Kujawa Chief Financial Officer and Director (Principal Financial Officer) James M. May Controller and Chief Accounting Officer (Principal Accounting Officer) SUSAN DAVENPORT AUSTIN PETER H. KIND Susan Davenport Austin Director Peter H. Kind Director ROBERT J. BYRNE JOHN W. KETCHUM Robert J. Byrne Director John W. Ketchum Director MARK E. HICKSON Mark E. Hickson Director