Chubb Ltd — Director's Dealing 2012

May 18, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACE Ltd (ACE)
CIK: 0000896159
Period of Report: 2012-05-16

Reporting Person: Keogh John W (Vice Chairman, COO and*)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-16	Common Shares	A	8210	—	Acquired	160154	Direct
2012-05-16	Common Shares	F	9558	$75.26	Disposed	150596	Direct

Footnotes

F1: Represents a fully vested premium award pursuant to the ACE Limited 2004 Long-Term Incentive Plan, which meets the requirements of Rule 16b-3.

F2: Common Shares being withheld to pay tax liability