X0306 4 2015-04-13 0 0001265888 NEUSTAR INC NSR 0001196633 KENNEDY LEONARD J 21575 RIDGETOP CIRCLE STERLING VA 20166 0 1 0 0 SVP, General Counsel & Sec Restricted Stock Units 0.00 2015-04-13 4 A 0 9880 0.00 A Class A Common Stock 9880 9880 D One-third of the restricted stock units vest on each of March 1, 2016, 2017 and 2018. Upon the Reporting Person's Termination (as defined in the NeuStar, Inc. 2009 Stock Incentive Plan (the "Plan")), including by death or Disability (as defined in the Plan), other than by the Issuer for Cause (as defined in the Plan) or by the Reporting Person without Good Reason (as defined in the Restricted Stock Unit Agreement), any unvested restricted stock units that would have vested during the 12 month period following such separation from the Issuer shall immediately vest, and the remainder of any unvested restricted stock units shall immediately be forfeited without compensation. /s/ Paul S. Lalljie, by Power of Attorney 2015-05-28