0001193125-11-042040 Sample Contracts

CHAPARRAL ENERGY, INC., as the Issuer, EACH OF THE GUARANTORS PARTY HERETO and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee INDENTURE Dated as of February 22, 2011 8.25% Senior Notes due 2021

Indenture • February 22nd, 2011 • Chaparral Energy, Inc. • Crude petroleum & natural gas • New York

• Contract Type
  Indenture
• Filed
  February 22nd, 2011
• Company
  Chaparral Energy, Inc.
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

INDENTURE, dated as of February 22, 2011, among Chaparral Energy, Inc., a Delaware corporation (the “Issuer”), the Guarantors (as defined) and Wells Fargo Bank, National Association, as Trustee (the “Trustee”).

REGISTRATION RIGHTS AGREEMENT

Registration Rights Agreement • February 22nd, 2011 • Chaparral Energy, Inc. • Crude petroleum & natural gas • New York

• Contract Type
  Registration Rights Agreement
• Filed
  February 22nd, 2011
• Company
  Chaparral Energy, Inc.
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

This REGISTRATION RIGHTS AGREEMENT dated February 22, 2011 (the “Agreement”) is entered into by and among Chaparral Energy, Inc., a Delaware corporation (the “Company”), the guarantors listed in Schedule I hereto (the “Guarantors”) and Wells Fargo Securities, LLC, as representative for the several initial purchasers listed in Schedule A hereto (the “Initial Purchasers”).