X0306 4 2018-05-17 0 0000896159 Chubb Ltd CB 0001536350 Ross Kimberly A. CHUBB BUILDING 17 WOODBOURNE AVENUE HAMILTON D0 HM 08 BERMUDA 1 0 0 0 Common Shares 2018-05-17 4 A 0 1264 A 8647.236 D Common Shares 2018-05-17 4 F 0 524 134.45 D 8123.236 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. Total includes 20.9 shares credited at various times between July 2016 and April 2017 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 which were omitted from the reporting person's previous Form 4. Common Shares being withheld in order to pay tax liability. /s/ Samantha Froud, Attorney-in-fact 2018-05-21