X0306 4 2015-05-28 0 0001265888 NEUSTAR INC NSR 0001012774 CHANG GARETH C C 21575 RIDGETOP CIRCLE STERLING VA 20166 1 0 0 0 Restricted Stock Units 0.00 2015-05-28 4 A 0 7312 0.00 A Class A Common Stock 7312 7312 D The restricted stock units fully vest on the earlier of May 28, 2016 or the day preceding the date in calendar year 2016 on which the NeuStar, Inc. annual meeting is held. Upon vesting, the Reporting Person shall be entitled to shares of Class A Common Stock equal to the number of vested shares of restricted stock units, including any resulting from dividend equivalents (as defined in the Restricted Stock Unit Agreement), which shall be delivered on the date that is six months after the Reporting Person's Termination (as defined in the Amended and Restated NeuStar, Inc. 2009 Stock Incentive Plan). The restricted stock units terminate if the Reporting Person experiences a Termination (as defined in the Amended and Restated NeuStar, Inc. 2009 Stock Incentive Plan) before the earlier of May 28, 2016 or the day preceding the date in calendar year 2016 on which the NeuStar, Inc. annual meeting is held. /s/ Paul S. Lalljie, by Power of Attorney 2015-05-28