X0306 4 2019-02-26 0001140536 WILLIS TOWERS WATSON PLC WLTW 0001477865 Gebauer Julie Jarecke C/O WILLIS GROUP LIMITED 51 LIME STREET LONDON X0 EC3M 7DQ UNITED KINGDOM 1 Head of Human Capital&Benefits Ordinary Shares, nominal value $0.000304635 per share 2019-02-26 4 A 0 9253 0 A 89120 D Ordinary Shares, nominal value $0.000304635 per share 534 I Dane Adam Gebauer Management Trust UA Feb 18, 2012 Ordinary Shares, nominal value $0.000304635 per share 534 I Jeffrey Austin Gebauer Management Trust UA Feb 18, 2012 Represents the number of performance-based restricted share units earned upon the certification of the achievement of certain pre-established performance goals based on relative total shareholder return during a three-year performance period that ended on December 31, 2018, each of which represents the right to receive one ordinary share of the Issuer upon its vesting on March 15, 2019 subject to the terms of the award agreement. This number also includes the number of ordinary shares of the Issuer that are issuable pursuant to the dividend equivalent right under the terms of the award agreement providing for the accrual of dividends in the form of additional restricted share units that vested and are payable at the same time as the underlying performance-based restricted share units. /s/ Julie J. Gebauer by Elaine Wiggins, Attorney-in-Fact (power of attorney previously filed) 2019-02-28