Chubb Ltd — Director's Dealing 2011

Mar 1, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACE Ltd (ACE)
CIK: 0000896159
Period of Report: 2011-02-25

Reporting Person: Cusumano Robert (General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-25	Common Shares	F	923	$63.28	Disposed	92956.84	Direct
2011-02-26	Common Shares	F	1012	$63.28	Disposed	91944.84	Direct
2011-02-27	Common Shares	F	742	$63.28	Disposed	91202.84	Direct
2011-02-28	Common Shares	S	4654	$63.13	Disposed	87033.84	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares	2300	Indirect

Footnotes

F1: Common Shares withheld to pay tax liability.

F2: The Common Shares sold by the Reporting Person and reported herein were sold at a range of between $63.11 and $63.17 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent.

F3: Total includes 485 Common Shares purchased or received from dividend reinvestments on June 30, 2010 pursuant to the ACE Limited Employee Stock Purchase Plan which meets the requirements of Rule 16b-3.