X0508 4 2025-08-01 0001140536 WILLIS TOWERS WATSON PLC WTW 0001435988 Hess Carl Aaron C/O WILLIS GROUP LIMITED 51 LIME STREET LONDON X0 EC3M 7DQ UNITED KINGDOM 1 1 Chief Executive Officer 0 Restricted Share Unit 2025-08-01 4 A 0 57.218 0 A Ordinary Shares, nominal value $0.000304635 per share 57.218 8121.4059 D Vested shares under the Willis Towers Watson Non-Qualified Stable Value Excess Plan for U.S. Employees settle for Ordinary Shares, nominal value $0.000304635 per share, on a 1:1 basis on the first business day of the month on which the NASDAQ Stock Market is open for business following the earlier of (i) the date that is 6 months after the reporting person's separation from service and (ii) the date that is 30 days after the reporting person's death. Includes restricted share units credited to the participant's account by the Company pursuant to the Willis Towers Watson Non-Qualified Stable Value Excess Plan for U.S. Employees (the "Plan") accrual formula, net of the units acquired pursuant to the participant's contribution under the Plan. /s/ Carl A. Hess by Lina Vanessa Jaramillo, Attorney-in-Fact (power of attorney previously filed) 2025-08-05