X0202 4 2007-11-07 0 0001292653 Neutral Tandem Inc TNDM 0001132326 NEW ENTERPRISE ASSOCIATES 10 L P 1119 ST. PAUL STREET BALTIMORE MD 21202 0 0 1 0 0001236049 NEA PARTNERS 10 L P 1119 ST. PAUL STREET BALTIMORE MD 21202 0 0 1 0 0001219855 BARRETT M JAMES 1119 ST. PAUL STREET BALTIMORE MD 21202 0 0 1 0 0001005550 KRAMLICH C RICHARD 1119 ST. PAUL STREET BALTIMORE MD 21202 0 0 1 0 0001005544 NEWHALL CHARLES W III 1119 ST. PAUL STREET BALTIMORE MD 21202 0 0 1 0 0001062466 PERRY MARK W 1119 ST. PAUL STREET BALTIMORE MD 21202 0 0 1 0 0001237289 SANDELL SCOTT D 1119 ST. PAUL STREET BALTIMORE MD 21202 0 0 1 0 0001172932 TRAINOR III EUGENE A 1119 ST. PAUL STREET BALTIMORE MD 21202 0 0 1 0 Common Stock 2007-11-07 4 C 0 3700000 A 3700000 D Common Stock 2007-11-07 4 C 0 2227472 A 5927472 D Common Stock 2007-11-07 4 C 0 525235 A 6452707 D Common Stock 2007-11-07 4 C 0 477487 A 6930194 D Series A Preferred Stock 2007-11-07 4 C 0 3700000 0 D Common Stock 3700000 0 D Series B-1 Preferred Stock 2007-11-07 4 C 0 2227472 0 D Common Stock 2227472 0 D Series B-2 Preferred Stock 2007-11-07 4 C 0 525235 0 D Common Stock 525235 0 D Series C Preferred Stock 2007-11-07 4 C 0 477487 0 D Common Stock 477487 0 D The Series A Preferred Stock automatically converted into common stock of the Issuer upon the closing of the Issuer's initial public offering and has no expiration date. The securities are held directly by New Enterprise Associates 10, Limited Partnership ("NEA 10") and indirectly held by NEA Partners 10, Limited Partnership ("NEA Partners 10"), the sole general partner of NEA 10, and the individual general partners of NEA Partners 10 (NEA Partners 10 and the individual general partners of NEA Partners 10 together, the "Indirect Reporting Person"). The individual general partners of NEA Partners 10 are M. James Barrett, Peter J. Barris, C. Richard Kramlich, Charles W. Newhall, III, Mark W. Perry, Scott D. Sandell and Eugene A. Trainor, III. Each Indirect Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities in which such Indirect Reporting Person has no actual pecuniary interest therein. The Series B-1 Preferred Stock automatically converted into common stock of the Issuer upon the closing of the Issuer's initial public offering and has no expiration date. The Series B-2 Preferred Stock automatically converted into common stock of the Issuer upon the closing of the Issuer's initial public offering and has no expiration date. The Series C Preferred Stock automatically converted into common stock of the Issuer upon the closing of the Issuer's initial public offering and has no expiration date. /s/ Shawn Conway, attorney-in-fact 2007-11-09