Exhibit 99.1

		ACE Limited Bärengasse 32 CH-8001 Zurich Switzerland		+41 (0)43 456 76 00 main +41 (0)43 456 76 01 fax www.acegroup.com

ACE REPORTS FOURTH QUARTER OPERATING INCOME OF $824 MILLION OR

$2.39 PER SHARE, UP 67%, P&C NET PREMIUMS WRITTEN UP 20% IN CONSTANT

DOLLARS, AND OPERATING RETURN ON EQUITY OF 12.1%;

RECORD FULL-YEAR OPERATING INCOME OF $3.2 BILLION, UP 23%;

COMBINED RATIO OF 89.3% AND 88%, RESPECTIVELY, FOR QUARTER AND YEAR

ZURICH — January 28, 2014 — ACE Limited (NYSE: ACE) today reported net income for the quarter ended December 31, 2013, of $2.90 per share, compared with $2.22 per share for the same quarter last year.⁽¹⁾ Operating income was $2.39 per share, compared with $1.43 per share for the same quarter last year. Book value and tangible book value per share increased 2.2% and 3.0%, respectively, from September 30, 2013. Book value and tangible book value per share now stand at $84.83 and $68.93, respectively. Operating return on equity for the quarter was 12.1%. The property and casualty (P&C) combined ratio for the quarter was 89.3%.

Fourth Quarter Summary

(in millions, except per share amounts)

(Unaudited)

For the year ended December 31, 2013, net income was $10.92 per share, compared with $7.89 per share for 2012. Operating income was $9.35 per share, compared with $7.65 per share for 2012. Book value increased $1.3 billion, up 4.7% from December 31, 2012, and tangible book value increased $865 million, up 3.8%, and up 6.5% excluding acquisitions. The P&C combined ratio for the year ended December 31, 2013, was 88.0%.

Full Year Summary

(in millions, except per share amounts)

(Unaudited)

Evan G. Greenberg, Chairman and Chief Executive Officer of ACE Limited, commented: “ACE had an excellent fourth quarter and a record year. Both our quarterly and annual results were driven by very strong premium revenue growth globally and an exceptional underwriting performance. Put simply, we are growing while achieving good margins – it’s about growth in areas where prices are attractive and securing improved terms including rate in areas where they’re not.

“Record full-year after-tax operating income was $3.2 billion or $9.35 per share, up 23%. At our core we are an underwriting company, and our P&C combined ratio for the year of 88% produced $1.8 billion of underwriting income, up over 110%. On a current accident year basis excluding catastrophe losses, which is an important way to assess the health of our underlying business, the P&C combined ratio was 90% for the year, almost three points better than 2012. Of course, like the rest of the industry, we benefited from light catastrophe losses during the year. In addition, we run our balance sheet prudently starting with our loss reserves, and as a consequence we also benefited from positive prior year reserve development.

“Complementing the excellent underwriting results and a product of our strong cash flow was net investment income of $2.1 billion, which was down less than 2% for the year – a good result given the low interest rate environment. Our record earnings produced a strong operating ROE of over 12% while per share book value grew 5% for the year, or 11% if you exclude the unrealized losses from our investment portfolio as interest rates rose.

“Excluding crop insurance, P&C net premiums written grew 11% last year on a constant-dollar basis. Premium growth in our commercial and specialty P&C businesses, in particular, continued to benefit from our underwriting portfolio management efforts as well as a favorable U.S. rate environment that has continued into the new year. We are off to a great start in January, and remembering we are in a risk business, I expect we will have a good year in 2014 as we continue to take advantage of the many growth opportunities we see around the globe including the U.S.”

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Similar to the third quarter presentation and consistent with how management views the business, the results of the company’s agriculture business, given its size and nature, are identified separately from the balance of the company’s P&C business, which is called “global P&C.” Global P&C includes the company’s Insurance – North American P&C, Insurance – Overseas General and Global Reinsurance segments. Operating highlights for the quarter and full year ended December 31, 2013, were as follows: ⁽¹⁾

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Details of financial results by business segment are available in the ACE Limited Financial Supplement. Key segment items for the quarter and full year ended December 31, 2013, include:

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Please refer to the ACE Limited Financial Supplement, dated December 31, 2013, which is posted on the company’s website in the Investor Information section, and access Financial Reports for more detailed information on individual segment performance, together with additional disclosure on reinsurance recoverable, loss reserves, investment portfolio and capital structure.

ACE Limited will hold its fourth quarter earnings conference call on Wednesday, January 29, 2014, beginning at 8:30 a.m. Eastern. The earnings conference call will be available via live webcast at www.acegroup.com or by dialing 888-300-2318 (within the United States) or 719-325-2325 (international), passcode 6526575. 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 12, 2014, 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 6526575.

ACE Group is one of the world’s largest multiline property and casualty insurers. With operations in 54 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 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.

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Regulation G — Non-GAAP Financial Measures

In presenting our results, we included and discussed certain non-GAAP measures. The below non-GAAP measures, which may be defined differently by other companies, are important for an understanding of our overall results of operations and financial condition. However, they should not be viewed as a substitute for measures determined in accordance with generally accepted accounting principles (GAAP).

Operating income, P&C underwriting income, operating ROE, P&C combined ratio, and P&C combined ratio excluding catastrophe losses and prior period development (PPD) includes realized gains and losses associated with fair value changes on our crop derivatives. These derivatives were purchased to provide economic benefit, in a manner similar to reinsurance protection, in the event that a significant decline in commodity pricing will impact underwriting results. As such, we view changes in the fair value of these derivatives as part of the results of our operations and therefore realized gains and losses from these derivatives are reclassified to losses and loss expenses. Pre-tax losses from fair value changes in these derivatives were $1 million for the year ended December 31, 2013.

Global P&C performance metrics comprise consolidated operating results (including corporate) and exclude the operating results of the company’s Life and Insurance – North American Agriculture segments. We believe that these measures are useful and meaningful to investors as they are used by management to assess the company’s global P&C operations which are the most economically similar. We exclude the Insurance – North American Agriculture and Life segments because the results of these businesses do not always correlate with the results of our global P&C operations.

Operating income or income excluding net realized gains (losses), net of tax is a common performance measurement for insurance companies. We believe this presentation enhances the understanding of our results of operations by highlighting the underlying profitability of our insurance business. We exclude net realized gains (losses) and net realized gains (losses) included in other income (expense) related to partially-owned entities because the amount of these gains (losses) is heavily influenced by, and fluctuates in part according to, the availability of market opportunities.

Underwriting income is calculated by subtracting losses and loss expenses, policy benefits, policy acquisition costs and administrative expenses from net premiums earned. We use underwriting income and operating ratios to monitor the results of our operations without the impact of certain factors, including net investment income, other income (expense), interest and income tax expense and net realized gains (losses). Current accident year underwriting income is underwriting income adjusted to exclude PPD. We believe it is useful to exclude PPD as these unexpected loss developments on historical reserves are not indicative of our current underwriting performance. Life underwriting income includes net investment income and gains (losses) from fair value changes in separate account assets that do not qualify for separate account reporting under GAAP. P&C underwriting income and consolidated underwriting income are also non-GAAP financial measures. We believe the use of these measures enhances the understanding of our results of operations by highlighting the underlying profitability of our insurance business.

Operating return on equity (ROE) or ROE calculated using income excluding net realized gains (losses) is an annualized financial measure. The ROE numerator includes income adjusted to exclude net realized gains (losses), net of tax. The ROE denominator includes the average shareholders’ equity for the period adjusted to exclude unrealized gains (losses) on investments, net of tax. To annualize a quarterly rate, multiply by four. Annualized ROE calculated using income excluding realized gains (losses) is a useful measure as it enhances the understanding of the return on shareholders’ equity by highlighting the underlying profitability relative to shareholders’ equity excluding the effect of unrealized gains and losses on our investments.

P&C combined ratio excluding catastrophe losses and PPD or current accident year P&C combined ratio excluding catastrophe losses exclude impacts of catastrophe losses and PPD. We believe this measure provides a better evaluation of our core underwriting performance and enhances the understanding of the trends in our property & casualty business that may be obscured by these items.

Net premiums written on a constant-dollar basis and P&C net premiums written on a constant-dollar basis are financial measures which exclude the impact of foreign exchange. We believe it is useful to evaluate the trends in net premiums written, exclusive of the effect of fluctuations in exchange rates between the U.S. dollar and the currencies in which our international business is transacted, as these exchange rates could fluctuate significantly between periods and distort the analysis of trends. The impact is determined by assuming constant foreign exchange rates between periods by translating prior period results using the same local currency exchange rates as the comparable current period. P&C net premiums written excluding acquisitions on a constant-dollar basis exclude the net premiums written of Fianzas Monterrey and ABA Seguros acquired in 2013 in order to adjust for the distortive effect of acquisitions.

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Life net premiums written and deposits collected, excluding life reinsurance, is adjusted to include deposits collected on universal life and investment contracts (life deposits) and exclude results from our life reinsurance business. Life deposits are properly not reflected as revenues in our consolidated statements of operations in accordance with GAAP. We include life deposits in presenting growth in our Life business because new life deposits are an important component of production and key to our efforts to grow our business. We exclude results associated with life reinsurance as there is no new life reinsurance business currently being written.

Tangible book value per common share is shareholders’ equity less goodwill and other intangible assets divided by the shares outstanding. We believe that goodwill and other intangible assets are not indicative of our underlying insurance results or trends and make book value comparisons to less acquisitive peer companies less meaningful.

Tangible book value excluding acquisitions is shareholders’ equity less goodwill and other intangible assets. However, the goodwill and other intangible assets related to the 2013 acquisitions of Fianzas Monterrey and ABA Seguros are added back in order to adjust for the distortive effect of acquisitions. Tangible book value per common share excluding acquisitions is tangible book value excluding acquisitions divided by the shares outstanding.

See reconciliation of Non-GAAP Financial Measures on pages 21-22 in the Financial Supplement. These measures should not be viewed as a substitute for net income, return on equity, or effective tax rate determined in accordance with GAAP.

NM — not meaningful comparison

Cautionary Statement Regarding Forward-Looking Statements:

Forward-looking statements made in this press release, such as those related to economic outlook and insurance market conditions, and company performance including 2014 performance and growth opportunities, reflect our current views with respect to future events and financial performance and are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such statements involve risks and uncertainties that could cause actual results to differ materially, including without limitation, the following: competition, pricing and policy term trends, the levels of new and renewal business achieved, the frequency of unpredictable catastrophic events, actual loss experience, uncertainties in the reserving or settlement process, integration activities and performance of acquired companies, new theories of liability, judicial, legislative, regulatory and other governmental developments, litigation tactics and developments, investigation developments and actual settlement terms, the amount and timing of reinsurance recoverable, credit developments among reinsurers, rating agency action, possible terrorism or the outbreak and effects of war, economic, political, regulatory, insurance and reinsurance business conditions, potential strategic opportunities including acquisitions and our ability to achieve and integrate them, as well as management’s response to these factors, and other factors identified in our filings with the Securities and Exchange Commission. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the dates on which they are made. We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

(tables to follow)

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ACE Limited

Summary Consolidated Balance Sheets

(in millions of U.S. dollars, except per share data)

(Unaudited)

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ACE Limited

Summary Consolidated Financial Data

(in millions of U.S. dollars, except share, per share data, and ratios)

(Unaudited)

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ACE Limited

Consolidated Supplemental Segment Information

(in millions of U.S. dollars)

(Unaudited)

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