COLORADO INTERSTATE GAS COMPANY as Issuer and THE BANK OF NEW YORK TRUST COMPANY, N.A. as Trustee FOURTH SUPPLEMENTAL INDENTURE Dated as of October 15, 2007 To INDENTURE Dated as of June 27, 1997Fourth Supplemental Indenture • October 16th, 2007 • Colorado Interstate Gas Co • Natural gas transmission • New York
FOURTH SUPPLEMENTAL INDENTURE, dated as of October 15, 2007 (this “Fourth Supplemental Indenture”), between COLORADO INTERSTATE GAS COMPANY, a Delaware corporation (the “Company”), and THE BANK OF NEW YORK TRUST COMPANY, N.A., a national banking association (successor-in-interest to Harris Trust and Savings Bank), as trustee under the Indenture referred to below (in such capacity, the “Trustee”).
