X0306 4 2013-09-13 0001470215 Towers Watson & Co. TW 0001237783 MILLAY ROGER F 875 THIRD AVENUE NEW YORK NY 10022 1 VP & Chief Financial Officer Class A Common Stock 2013-09-13 4 A 0 20278 0 A 26495 D Class A Common Stock 2013-09-13 4 F 0 9127 91.43 D 17368 D The Reporting Person was granted unvested performance-vesting restricted stock units (PVRSUs) on September 24, 2010, based upon the Compensation Committee's certification of the extent to which certain predetermined performance criteria applicable to such PVRSUs were achieved and the Reporting Person's continued employment with the Issuer. On September 12, 2013, the Compensation Committee certified the extent to which the performance criteria applicable to such PVRSUs were achieved; therefore, pursuant to the terms of the applicable award agreement, 20,278 PVRSUs thereafter vested and were settled in shares on September 13, 2013 and are reported herein. This represents shares that were withheld by the Issuer to satisfy local withholding tax requirements. /s/ Neil Falis, attorney-in-fact for Mr. Millay 2013-09-17