WPX ENERGY, INC. AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. as Trustee FOURTH SUPPLEMENTAL INDENTURE Dated as of September 24, 2019 to the INDENTURE Dated as of September 8, 2014Fourth Supplemental Indenture • September 24th, 2019 • WPX Energy, Inc. • Crude petroleum & natural gas • New York
