4,500,000 Shares NEUTRAL TANDEM, INC. (COMMON STOCK, PAR VALUE $0.001 PER SHARE) UNDERWRITING AGREEMENTUnderwriting Agreement • March 31st, 2008 • Neutral Tandem Inc • Telephone communications (no radiotelephone) • New York
Certain shareholders of Neutral Tandem, Inc., a Delaware corporation (the “Company”) named in Schedule I hereto (the “Selling Shareholders”), severally propose to sell to the several Underwriters named in Schedule II hereto (the “Underwriters”), an aggregate of 4,500,000 shares of the common stock, par value $0.001 per share, of the Company (the “Firm Shares”), with each Selling Shareholder selling the amount set forth opposite such Selling Shareholder’s name in Schedule I hereto.
