0001193125-05-160405 Sample Contracts

CHESAPEAKE ENERGY CORPORATION as Issuer, THE SUBSIDIARY GUARANTORS, as Guarantors, AND THE BANK OF NEW YORK TRUST COMPANY, N.A., as Trustee
Indenture • August 8th, 2005 • Chesapeake Energy Corp • Crude petroleum & natural gas • Oklahoma

INDENTURE, dated as of June 20, 2005, among CHESAPEAKE ENERGY CORPORATION, an Oklahoma corporation (the “Company”), the SUBSIDIARY GUARANTORS listed as signatories hereto and The Bank of New York Trust Company, N.A., a national banking association, as Trustee.

FOURTH SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 2005
Fourth Supplemental Indenture • August 8th, 2005 • Chesapeake Energy Corp • Crude petroleum & natural gas

THIS FOURTH SUPPLEMENTAL INDENTURE, dated as of July 15, 2005 is among Chesapeake Energy Corporation, an Oklahoma corporation (the “Company”), each of the parties identified under the caption “Subsidiary Guarantors” on the signature page hereto (the “Subsidiary Guarantors”) and The Bank of New York, as Trustee.

FIRST SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 2005
First Supplemental Indenture • August 8th, 2005 • Chesapeake Energy Corp • Crude petroleum & natural gas

THIS FIRST SUPPLEMENTAL INDENTURE, dated as of July 15, 2005, is among Chesapeake Energy Corporation, an Oklahoma corporation (the “Company”), each of the parties identified under the caption “Subsidiary Guarantors” on the signature page hereto (the “Subsidiary Guarantors”) and The Bank of New York Trust Company, N.A., as Trustee.

SEVENTH SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 2005
Seventh Supplemental Indenture • August 8th, 2005 • Chesapeake Energy Corp • Crude petroleum & natural gas

THIS SEVENTH SUPPLEMENTAL INDENTURE, dated as of July 15, 2005, is among Chesapeake Energy Corporation, an Oklahoma corporation (the “Company”), each of the parties identified under the caption “Subsidiary Guarantors” on the signature page hereto (the “Subsidiary Guarantors”) and The Bank of New York, as Trustee.

TWELFTH SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 2005
Twelfth Supplemental Indenture • August 8th, 2005 • Chesapeake Energy Corp • Crude petroleum & natural gas

THIS TWELFTH SUPPLEMENTAL INDENTURE, dated as of July 15, 2005, is among Chesapeake Energy Corporation, an Oklahoma corporation (the “Company”), each of the parties identified under the caption “Subsidiary Guarantors” on the signature page hereto (the “Subsidiary Guarantors”) and The Bank of New York, as Trustee.

FIFTH SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 2005
Fifth Supplemental Indenture • August 8th, 2005 • Chesapeake Energy Corp • Crude petroleum & natural gas

THIS FIFTH SUPPLEMENTAL INDENTURE, dated as of July 15, 2005, is among Chesapeake Energy Corporation, an Oklahoma corporation (the “Company”), each of the parties identified under the caption “Subsidiary Guarantors” on the signature page hereto (the “Subsidiary Guarantors”) and The Bank of New York, as Trustee.

EIGHTH SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 2005
Eighth Supplemental Indenture • August 8th, 2005 • Chesapeake Energy Corp • Crude petroleum & natural gas

THIS EIGHTH SUPPLEMENTAL INDENTURE, dated as of July 15, 2005, is among Chesapeake Energy Corporation, an Oklahoma corporation (the “Company”), each of the parties identified under the caption “Subsidiary Guarantors” on the signature page hereto (the “Subsidiary Guarantors”) and The Bank of New York, as Trustee.

THIRD SUPPLEMENTAL INDENTURE DATED AS OF JULY 15, 2005
Third Supplemental Indenture • August 8th, 2005 • Chesapeake Energy Corp • Crude petroleum & natural gas

THIS THIRD SUPPLEMENTAL INDENTURE, dated as of July 15, 2005, is among Chesapeake Energy Corporation, an Oklahoma corporation (the “Company”), each of the parties identified under the caption “Subsidiary Guarantors” on the signature page hereto (the “Subsidiary Guarantors”) and The Bank of New York Trust Company, N.A., as Trustee.