Chubb Ltd

1. Restricted stock units ("RSUs") awarded pursuant to the Chubb Limited 2016 Long-Term Incentive Plan (the "Plan"). The RSUs vest as follows: 1/4 on the first anniversary of the date of the award, 1/4 on the second anniversary of the date of the award, 1/4 on the third anniversary of the date of the award and 1/4 on the fourth anniversary of the date of the award. Upon vesting, one Common Share will be delivered for each vested RSU.

2. Restricted stock award pursuant to the Chubb Limited 2016 Long-Term Incentive Plan (the "Plan"). Stock vests, in whole or in part, subject to the satisfaction of certain service and performance-based criteria on the later of the third anniversary of the date of the award and the date of certification of satisfaction of performance-based criteria for the three-year performance period. Dividends shall be accumulated and distributed only when, and to the extent, that the shares have vested.

3. Restricted stock award pursuant to the Plan, representing a premium performance award with respect to the performance-based restricted stock awards described above. Stock vests, in whole or in part, subject to the satisfaction of certain service and performance-based criteria on the later of the third anniversary of the date of the award and the date of certification of satisfaction of performance-based criteria for the three-year performance period. Shares will not be entitled to vote until vested. Dividends shall be accumulated and distributed only when, and to the extent, that the shares have vested.

4. Option award pursuant to the Plan. Options vest as follows: 1/3 on the first anniversary of the date of the award, 1/3 on the second anniversary of the date of the award and 1/3 on the third anniversary of the date of the award.

5. Total includes previously reported options from other tranches with different exercise prices, vesting and expiration dates.

6. Award of performance stock units ("PSUs") pursuant to the Chubb Limited 2016 Long-Term Incentive Plan (the "Plan") that vests, in whole or in part, subject to the satisfaction of certain service and performance based criteria on the later of the third anniversary of the date of the award and the date of certification of satisfaction of performance based criteria for the three-year performance period. Each PSU represents a contingent right to receive one Common Share, and any PSUs that do not vest will be cancelled. Dividends shall be accumulated and distributed only when, and to the extent that the PSUs have vested.

7. Award of PSUs pursuant to the Plan representing a premium performance award with respect to the PSUs described above that vests, in whole or in part, subject to the satisfaction of certain service and performance based criteria on the later of the third anniversary of the date of the award and the date of certification of satisfaction of performance based criteria for the three-year performance period. Each PSU represents a contingent right to receive one Common Share, and any PSUs that do not vest will be cancelled. Dividends shall be accumulated and distributed only when, and to the extent that the PSUs have vested.

8. Total includes previously reported PSUs from other tranches with different vesting and expiration dates.