X0306 4 2021-12-29 1 0001140536 WILLIS TOWERS WATSON PLC WLTW 0001215018 HALEY JOHN J C/O WILLIS GROUP LIMITED 51 LIME STREET LONDON X0 EC3M 7DQ UNITED KINGDOM 1 1 Chief Executive Officer Ordinary Shares, nominal value $0.000304635 per share 2021-12-29 4 A 0 46688 0 A 368655 D Ordinary Shares, nominal value $0.000304635 per share 2021-12-29 4 F 0 18373 238.72 D 350282 D Ordinary Shares, nominal value $0.000304635 per share 2021-12-31 4 A 0 2570 0 A 352852 D Ordinary Shares, nominal value $0.000304635 per share 2021-12-31 4 F 0 1012 237.49 D 351840 D Ordinary Shares, nominal value $0.000304635 per share 96020 I Grantor Retained Annuity Trusts Represents ordinary shares of the Issuer to be delivered to the Reporting Person by the Issuer in respect of preliminary earned performance shares pursuant to a Performance-Based Restricted Share Unit Agreement granted as of February 26, 2019, as amended (the "Agreement"). Also includes ordinary shares of the Issuer issuable pursuant to the dividend equivalent right under the terms of the Agreement. Not applicable. Represents ordinary shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the delivery of preliminary earned performance shares and final earned performance shares, as the case may be, pursuant to the Agreement. Represents ordinary shares of the Issuer to be delivered to the Reporting Person by the Issuer in respect of final earned performance shares pursuant to the Agreement. Also includes ordinary shares of the Issuer issuable pursuant to the dividend equivalent right under the terms of the Agreement. /s/ John J. Haley by Elaine Wiggins, Attorney-in-Fact (power of attorney previously filed) 2022-01-03