ACE to Disclose “Global Loss Triangles”

September 30, 2004

Bermuda’s ACE Limited announced that it will publish the company’s Global Loss Triangles shortly after 5:00 p.m. Eastern Daylight Time on Thursday, September 30, 2004.

“A copy of these documents will be available on the Company’s website located at://www.acelimited.com in the Investor Information section under Financial Reports,” said the bulletin.

“This disclosure is fulfilling our previous commitment to provide information on our Global Loss Triangles and has not been triggered by any event or catalyst,” it added.

The company noted that it will conduct a conference call to discuss this disclosure on Friday, October 1, 2004 at 9:00 a.m. Eastern Daylight Time. The conference call will be available via live and archived audio webcast at http://www.acelimited.com. Please refer to the ACE Limited website in the Investor Information section under Calendar of Events for details. A replay of the call will be available until Friday, October 22, 2004. To listen to the replay dial: 1-877-519-4471 (in the United States) or 1-973-341-3080 (international); passcode 5199151.