—] Shares NEUTRAL TANDEM, INC. (COMMON STOCK, PAR VALUE $0.001 PER SHARE) UNDERWRITING AGREEMENTUnderwriting Agreement • March 19th, 2008 • Neutral Tandem Inc • Telephone communications (no radiotelephone) • New York
Contract Type FiledMarch 19th, 2008 Company Industry JurisdictionThe undersigned understands that Morgan Stanley & Co. Incorporated (“Morgan Stanley”) proposes to enter into an Underwriting Agreement (the “Underwriting Agreement”) with Neutral Tandem, Inc., a Delaware corporation (the “Company”), and the selling stockholders to be named therein, providing for the public offering (the “Public Offering”) by the several Underwriters, including Morgan Stanley (the “Underwriters”), of shares (the “Shares”) of the common stock, par value $0.001 per share, of the Company (the “Common Stock”).