X0306 4 2019-10-31 0 0000896159 Chubb Ltd CB 0001577594 BOROUGHS TIMOTHY ALAN THE CHUBB BUILDING, 17 WOODBOURNE AVENUE HAMILTON D0 HM 08 BERMUDA 0 1 0 0 Executive Vice President* Common Shares 2019-10-31 4 M 0 14060 73.35 A 185375 D Common Shares 2019-10-31 4 S 0 12297 151.17 D 173078 D Common Shares 2019-10-31 4 S 0 1763 152.02 D 167965 D Common Shares 2019-10-31 4 S 0 1725 151.75 D 4960 I Family Foundation Options to Acquire 73.35 2019-10-31 4 M 0 14060 0.00 D 2022-02-23 Common Shares 14060 108969 D Sale of Common Shares in connection with broker-assisted cashless exercise of options. The Common Shares reported herein as being sold were sold at a range of between $151.00 and $151.905 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such price range. The Common Shares reported herein as being sold were sold at a range of between $152.01 and $152.04 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such price range. Total includes 3,350 Common Shares transferred from the reporting person's direct ownership to the reporting person's indirect ownership. The sale price reported above has been rounded to the nearest cent. The stock options vested in equal installments on February 23, 2013, February 23, 2014 and February 23, 2015. All options of this tranche have been exercised. Total includes options from other tranches with different exercise prices, vesting dates and expiration dates. *& Chief Investment Officer, Chubb Limited /s/ Samantha Froud, Attorney-in-fact 2019-11-04