FIRST SUPPLEMENTAL INDENTURE Supplementing the Indenture Dated as of May 17, 2011 EARTHLINK, INC., as Company, and the Subsidiary Guarantors party hereto and DEUTSCHE BANK TRUST COMPANY AMERICAS, as TrusteeFirst Supplemental Indenture • August 8th, 2011 • Earthlink Inc • Services-computer programming, data processing, etc. • New York
FIRST SUPPLEMENTAL INDENTURE, dated as of June 7, 2011 by and among EarthLink, Inc. a Delaware corporation (the “Company”), Choice One Communications of Pennsylvania Inc. (“Choice One Pennsylvania”), Conversent Communications of Pennsylvania, LLC (“Conversent Pennsylvania”), CTC Communications Corp. (“CTC”), LogicalSolutions.net, Inc. (“Logical Solutions”) and New Edge Network, Inc. (“New Edge,” and together with Choice One Pennsylvania, Conversent Pennsylvania, CTC and Logical Solutions, each, an “Additional Subsidiary Guarantor,” and, collectively, the “Additional Subsidiary Guarantors”), the Subsidiaries of the Company parties hereto (the “Subsidiary Guarantors”), and Deutsche Bank Trust Company Americas (the “Trustee”), as Trustee under the Indenture, dated as of May 17, 2011 (the “Base Indenture”);
