0000950134-06-018769 Sample Contracts

NINTH SUPPLEMENTAL INDENTURE

Ninth Supplemental Indenture • October 6th, 2006 • Anadarko Petroleum Corp • Crude petroleum & natural gas • New York

• Contract Type
  Ninth Supplemental Indenture
• Filed
  October 6th, 2006
• Company
  Anadarko Petroleum Corp
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

THIS NINTH SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of October 4, 2006, by and among Kerr-McGee Corporation, a Delaware corporation (the “Company”), Anadarko Petroleum Corporation (“Parent Guarantor”), a Delaware corporation and sole stockholder of the Company, and Citibank, N.A., a national banking association incorporated and existing under the laws of the United States of America, as trustee under the indenture referred to below (the “Trustee”).

SECOND SUPPLEMENTAL INDENTURE

Supplemental Indenture • October 6th, 2006 • Anadarko Petroleum Corp • Crude petroleum & natural gas • New York

• Contract Type
  Supplemental Indenture
• Filed
  October 6th, 2006
• Company
  Anadarko Petroleum Corp
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

THIS SECOND SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of October 4, 2006, by and among Kerr-McGee Corporation, a Delaware corporation (the “Company”), Anadarko Petroleum Corporation (“Parent Guarantor”), a Delaware corporation and sole stockholder of the Company, and Citibank, N.A., a national banking association incorporated and existing under the laws of the United States of America, as trustee under the indenture referred to below (the “Trustee”).