ACE - Q4 Earnings Conference Call Date Announcement

ZURICH, Switzerland – 03 January, 2013 - ACE Limited (NYSE: ACE; BSX: ACE.BH) will hold its fourth quarter earnings conference call on Wednesday, January 30, 2013, beginning at 8:30 a.m. Eastern.

The company expects to issue its fourth quarter earnings release and financial supplement after the market closes on Tuesday, January 29, 2013. These documents will be available in the Investor Information section of the company's website located at www.acegroup.com

The earnings conference call will be available via live webcast at www.acegroup.com or by dialing 877-681-3375 (within the United States) or 719-325-4880 (international), passcode 3252473. Please refer to the ACE Group website in the Investor Information section under Calendar of Events for details. A replay of the call will be available until Wednesday, February 13, 2013, and the archived webcast will be available for approximately one month. To listen to the replay, please dial 888-203-1112 (in the United States) or 719-457-0820 (international), passcode 3252473.

The ACE Group is one of the world’s largest multiline property and casualty insurers. With operations in 53 countries, ACE provides commercial and personal property and casualty insurance, personal accident and supplemental health insurance, reinsurance and life insurance to a diverse group of clients. ACE Limited, the parent company of the ACE Group, is listed on the New York Stock Exchange (NYSE: ACE) and is a component of the S&P 500 index. Additional information can be found at: www.acegroup.com.

Investor Contact: Helen M. Wilson

(441) 299-9283

helen.wilson@acegroup.com

Media Contact: Stephen M. Wasdick

(212) 827-4444

stephen.wasdick@acegroup.com