X0306 4 2018-05-17 0 0000896159 Chubb Ltd CB 0001439107 Steimer Olivier BANQUE CANTONALE VAUDOISE P.O. BOX 300 LAUSANNE V8 1001 SWITZERLAND 1 0 0 0 Common Shares 2018-05-17 4 A 0 1264 A 20046.62 D Common Shares 2018-05-17 4 F 0 83 134.45 D 20029.62 D Restricted stock award granted as director fees under a Chubb Limited long-term incentive plan (the "Plan"), which meets the requirements of Rule 16b-3. Such restricted stock will vest on the day of the next annual Chubb Limited shareholders meeting, assuming the reporting person is a director of Chubb Limited on such date. Common Shares being withheld in order to pay tax liability. Total includes 66.00 shares credited at various times between July 2017 and April 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 2018-05-21