0001486159-15-000056 Sample Contracts

and FIFTH SUPPLEMENTAL INDENTURE

Fifth Supplemental Indenture • October 30th, 2015 • Oasis Petroleum Inc. • Crude petroleum & natural gas • New York

• Contract Type
  Fifth Supplemental Indenture
• Filed
  October 30th, 2015
• Company
  Oasis Petroleum Inc.
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

THIS FIFTH SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of October 26, 2015, is by and among Oasis Petroleum Inc., a Delaware corporation (the “Company”), the Subsidiary Guarantors named herein, and U.S. Bank National Association, a national banking association, as trustee (the “Trustee”).

and FOURTH SUPPLEMENTAL INDENTURE

Fourth Supplemental Indenture • October 30th, 2015 • Oasis Petroleum Inc. • Crude petroleum & natural gas • New York

• Contract Type
  Fourth Supplemental Indenture
• Filed
  October 30th, 2015
• Company
  Oasis Petroleum Inc.
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

THIS FOURTH SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of October 26, 2015, is by and among Oasis Petroleum Inc., a Delaware corporation (the “Company”), the Subsidiary Guarantors named herein, and U.S. Bank National Association, a national banking association, as trustee (the “Trustee”).