THIRD SUPPLEMENTAL INDENTURE Dated as of March 6, 2009 The Bank of New York Mellon TrusteeXm Satellite Radio Holdings Inc • March 12th, 2009 • Communications services, nec • New York
Company FiledMarch 12th, 2009 Industry JurisdictionTHIRD SUPPLEMENTAL INDENTURE, dated as of March 6, 2009, by and among XM Satellite Radio Inc., a Delaware corporation (the “Company”), XM Satellite Radio Holdings Inc., a Delaware corporation (the “Parent Guarantor”), XM Equipment Leasing LLC, a Delaware limited liability company, XM Radio Inc. (the “Subsidiary Guarantors”), and The Bank of New York Mellon, as trustee (the “Trustee”).