X0306 4 2018-11-28 0 0000896159 Chubb Ltd CB 0001072501 ATIEH MICHAEL G 105 SE SANTA LUCIA PORT SAINT LUCIE FL 34984 1 0 0 0 Common Shares 2018-11-28 4 S 0 1200 133.27 D 39748.8 D Common Shares 341 I By Wife The Common Shares reported herein as being sold were sold at a range of between $133.27 and $133.28 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. Total includes 387.32 shares credited at various times between July 2018 and October 2018 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 /s/ Samantha Froud, Attorney-in-fact 2018-11-30