X0306 4 2020-05-19 0 0000896159 Chubb Ltd CB 0001162125 GREENBERG EVAN G THE CHUBB BUILDING 17 WOODBOURNE AVENUE HAMILTON D0 HM 08 BERMUDA 1 1 0 0 Chairman & CEO Common Shares 2020-05-18 5 G 0 E 148310 0.00 D 941898 D Common Shares 2020-05-18 5 G 0 E 101740 0.00 D 840158 D Common Shares 2020-05-19 4 D 0 7138 0.00 D 833020 D Common Shares 2020-05-19 4 F 0 105712 102.03 D 727308 D Common Shares 2020-05-18 5 G 0 E 148310 0.00 A 148310 I By LLC 1 Common Shares 2020-05-18 5 G 0 E 101740 0.00 A 101740 I By LLC 2 Common Shares 48764 I By Son's Trust Common Shares 48764 I By Daughter's Trust In a series of transactions the reporting person contributed 250,050 shares that were previously held directly to two limited liability companies held 100% by the reporting person. On May 18, 2020 the reporting person contributed 100% of the LLC interests in both LLCs as a gift to two separate trusts each for the benefit of his son and daughter as contemplated by the terms of a divorce agreement. Represents the amount of restricted stock forfeited due to partial satisfaction of certain performance based criteria of restricted stock awarded pursuant to the Chubb Limited Long-Term Incentive Plan. Common Shares being withheld in order to pay tax liability. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for the purposes of Section 16 or any other purpose. 100% of the interests in this limited liability company are owned by a trust for the benefit of the reporting person's son and daughter. /s/ Samantha Froud, Attorney-in-fact 2020-05-21