AMENDMENT NO. 2 TO MEMBERSHIP INTEREST PURCHASE AND SALE AGREEMENT

THIS AMENDMENT NO. 2 TO MEMBERSHIP INTEREST PURCHASE AND SALE AGREEMENT (the “Agreement”) is made as of this 20th day of August 2012 (the “Effective Date”) by and among Fusion Telecommunications International, Inc. (“Fusion”), a corporation organized under the laws of the State of Delaware; NBS Acquisition Corp. (“Newco” and together with Fusion sometimes collectively hereinafter referred to as “Purchasers”), a corporation to be formed under the laws of the State of Delaware as a wholly-owned subsidiary of Fusion; Network Billing Systems, LLC (“NBS” or the “Company”), a limited liability company organized under the laws of the State of New Jersey; Jonathan Kaufman (“Kaufman”), a resident of the State of New Jersey; and Christiana Trust as trustee of the LK Trust (“LK”), a Delaware Trust. Fusion, Newco, NBS, Kaufman and LK are sometimes hereinafter referred to individually as a “Party” or collectively as the “Parties.”

The Parties understand and acknowledge that Purchasers’ consummation of the Transactions is subject to and dependent upon its ability to secure adequate financing to pay the Purchase Price under this Agreement and the ISG Asset Purchase Agreement, and provide for reasonable working capital needs following the Closing, as determined by Purchasers, through debt and/or equity financing (“Necessary Funding”). Accordingly, Closing of the Transactions shall, at all times, be contingent upon Purchasers securing Necessary Funding; provided, however, that in the event Purchasers have not secured commitments for Necessary Funding prior to the expiration of 90 days following the Audit Due Date, any Party may terminate this Agreement.