X0306 4 2016-08-02 0 0000896159 Chubb Ltd CB 0001577662 RINGSTED SEAN THE CHUBB BUILDING 17 WOODBOURNE AVENUE HAMILTON D0 HM 08 BERMUDA 0 1 0 0 EVP, Chief Risk Officer and* Common Shares 2016-08-02 4 M 0 8070 56.14 A 169762 D Common Shares 2016-08-02 4 S 0 8070 125.00 D 161692 D Common Shares 2016-08-02 4 S 0 7500 125.00 D 154192 D Options to Acquire Common Shares 56.14 2016-08-02 4 M 0 8070 0.00 D 2017-02-28 Common Shares 8070 108901 D Sale of Common Shares in connection with broker-assisted cashless exercise of options. The stock options vested in equal installments on February 22, 2007, February 22, 2008 and February 22, 2009. All options of this tranche have been exercised. Total includes options from other tranches with different exercise prices, vesting dates and expiration dates. *Chief Actuary /s/Samantha Froud, Attorney-in-fact 2016-08-04