ACE Dividend Announcements

ZURICH, Switzerland – 25 February, 2011 – The Board of Directors of ACE Limited (NYSE: ACE; BSX: ACE.BH) announced that they will recommend to shareholders at the 2011 Annual General Meeting a 6.1% increase in its dollar-denominated dividend, to $1.40 ($0.35 per quarter), compared to $1.32 approved in 2010. The formula for determining the Swiss francs (CHF) amount for quarterly installments will be described in the company’s Proxy Statement that will be distributed in advance of the Annual General Meeting, scheduled for 18 May, 2011.

The Board of Directors also declared a quarterly dividend equal to $0.33 payable on 22 April, 2011, to shareholders of record at the close of business on 01 April, 2011, subject to a required filing with the Swiss Commercial Register. Dividend payments will be made in U.S. dollars (USD) by the company’s transfer agent. The company’s par value is currently CHF 30.57 per share, and in connection with this dividend installment, the par value per share will be reduced on the record date by the CHF equivalent of $0.33 based on the USD/CHF rate published on 28 March, 2011. This will be the fourth of four par value reduction installments as approved by the company’s shareholders on 19 May, 2010.

Celebrating 25 years of insuring progress, the ACE Group is a global leader in insurance and reinsurance serving a diverse group of clients. Headed by ACE Limited (NYSE:ACE), a component of the S&P 500 stock index, the ACE Group conducts its business on a worldwide basis with operating subsidiaries in more than 50 countries. Additional information can be found at www.acegroup.com.

Contacts

ACE Limited

Investor Contact:

Helen M. Wilson,                     Tel: 441-299-9283

                                                E-mail: helen.wilson@acegroup.com

or

Media Contact:

Stephen M. Wasdick,             Tel: 212-827-4444

                                                E-mail: stephen.wasdick@acegroup.com