This excerpt taken from the MRO 8-K filed Sep 27, 2007.
Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.
On September 27, 2007, Marathon Oil Corporation ("Marathon") completed the sale of $750,000,000 aggregate principal amount of its 6.000% Senior Notes due 2017 and $750,000,000 aggregate principal amount of its 6.600% Senior Notes due 2037 (collectively, the "Notes"), which were sold pursuant to an underwriting agreement (the "Underwriting Agreement"). The Notes were issued under an Indenture dated February 26, 2002 between Marathon and The Bank of New York Trust Company, N.A., successor in interest to JPMorgan Chase Bank, as Trustee, relating to senior debt securities of Marathon (the "Senior Indenture"). The Underwriting Agreement, the Senior Indenture and the forms of the Notes are included as exhibits to this current report and are incorporated by reference into this Item 2.03.