XO HOLDINGS, INC., Issuer AND [ ], Trustee INDENTURE Dated as of [___], 200[___] Senior Debt SecuritiesIndenture • November 27th, 2007 • Xo Holdings Inc • Telephone communications (no radiotelephone) • New York
Contract Type FiledNovember 27th, 2007 Company Industry Jurisdiction* This Table of Contents does not constitute part of the Indenture and shall not have any bearing upon the interpretation of any of its terms or provisions.