UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant To Section 13 or 15 (d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) – September 29, 2005

ACE LIMITED

(Exact name of registrant as specified in its charter)

Cayman Islands	1-11778	98-0091805
(State or other jurisdiction of Incorporation )	(Commission File Number)	(I.R.S. Employer Identification No.)

ACE Global Headquarters

17 Woodbourne Avenue

Hamilton HM 08 Bermuda

(Address of principal executive offices)

Registrant’s telephone number, including area code: (441) 295-5200

Not applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01 Regulation FD Disclosure

On September 29, 2005, ACE Limited issued a press release reporting the release of the ACE Limited Global Loss Triangles. The press release and the Global Loss Triangles are attached hereto as Exhibit 99.1 and Exhibit 99.2, respectively, and are hereby incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(c) Exhibits

Exhibit Number	Description
99.1	Press release, dated September 29, 2005, reporting the release of the ACE Limited Global Loss Triangles
99.2	ACE Limited Global Loss Triangles Supplement

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

ACE LIMITED
By:	/s/ Philip V. Bancroft
	Philip V. Bancroft
	Chief Financial Officer

DATE: September 29, 2005

EXHIBIT INDEX

Number	Description
99.1	Press release, dated September 29, 2005, reporting the release of the ACE Limited Global Loss Triangles
99.2	ACE Limited Global Loss Triangles Supplement