X0306 4 2021-02-22 0 0000896159 Chubb Ltd CB 0001784735 Ortega Juan Luis THE CHUBB BUILDING 17 WOODBOURNE AVENUE HAMILTON D0 HM 08 BERMUDA 0 1 0 0 Executive Vice President* Common Shares 2021-02-22 4 F 0 325 168.56 D 26882.93 D Common Shares withheld to pay tax liability. Total includes 137.93 shares credited at various times between April 2020 and October 2020 to the reporting person's deferred stock account pursuant to the dividend investment provisions of the Plan, which meets the requirements of Rule 16b-3. *Chubb Group and President of Overseas General Insurance /s/ Samantha Froud, Attorney-in-fact 2021-02-24