Transaction Details

Footnotes

This transaction was executed in multiple trades at prices ranging from $303.82 to $304.25. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | 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.