Allied World Reports $93.8 Million Net Income in Second Quarter 2011 Despite Catastrophe Losses; 3.3% Quarterly Increase in Diluted Book Value Per Share

By Allied World Assurance Company Holdings Ag, PRNE
Tuesday, August 2, 2011

ZUG, Switzerland, August 3, 2011 -

Allied World Assurance Company Holdings, AG (NYSE: AWH) today reported net income of $93.8 million, or $2.36 per diluted share, for the second quarter of 2011 compared to net income of $184.0 million, or $3.47 per diluted share, for the second quarter of 2010.  Net income for the six months ended June 30, 2011 was $102.4 million, or $2.57 per diluted share, compared to net income of $317.7 million, or $5.98 per diluted share, for the first six months of 2010.

The company reported operating income of $44.2 million, or $1.11 per diluted share, for the second quarter of 2011 compared to operating income of $95.7 million, or $1.80 per diluted share, for the second quarter of 2010.  Operating income for the six months ended June 30, 2011 was $2.8 million, or $0.07 per diluted share, compared to operating income of $157.0 million, or $2.96 per diluted share, for the first six months of 2010.

President and Chief Executive Officer Scott Carmilani commented, “Allied World’s demonstrated track record of profitably managing our business through challenging markets was again on display this quarter.  Despite continued industry-wide catastrophe losses, we have again contained our share of these losses as a percentage of equity well below the industry average.   Simultaneously, we continue to build out our specialty insurance franchise highlighted by the 20% growth experienced in our U.S. insurance segment in the quarter.  This segment continues to gain traction in targeted specialty lines due to our expansion efforts and new business initiatives over the last three years.

“During the quarter, the company’s financial strength rating was upgraded to A ‘Strong’ by Standard & Poor’s.  We are gratified that our efforts in building a strong, well-controlled, profitable specialty insurance and reinsurance franchise have resulted in this upgrade.”

Mr. Carmilani continued, “We remain excited about our pending merger of equals with Transatlantic and believe that the combination will create a truly global insurance and reinsurance franchise.  Upon closing the merger in the fourth quarter, Allied World and Transatlantic will become TransAllied, operating with very strong financial strength ratings, enhanced competitive strength and a significant global presence.  I am confident we are well positioned for continued success as we build a more formidable franchise with a record of success throughout all turns in the insurance and reinsurance market cycle.”

Underwriting Results

Gross premiums written were $519.6 million in the second quarter of 2011, a 5.2% increase compared to $493.8 million in the second quarter of 2010.  For the six months ended June 30, 2011, gross premiums written totaled $1,080.3 million, an 8.2% increase compared to $998.0 million in the first six months of 2010.  These increases were primarily due to the expansion of our global operating platforms and the introduction of new products.  

Net premiums written were $395.8 million in the second quarter of 2011, a 7.0% increase compared to $369.8 million in the second quarter of 2010.  For the six months ended June 30, 2011, net premiums written totaled $876.7 million, a 9.2% increase compared to $803.1 million in the first six months of 2010.  

The combined ratio was 97.4% in the second quarter of 2011 compared to 87.0% in the second quarter of 2010.  The loss and loss expense ratio was 66.4% in the second quarter of 2011 compared to 55.7% in the second quarter of 2010.  During the second quarter of 2011, the company recorded net favorable reserve development on prior loss years of $55.2 million.  This favorable reserve development and the impact of a commutation adjustment resulted in a benefit of 15.8 percentage points to the company’s loss and loss expense ratio for the quarter.  This compares to the second quarter of 2010, where the company recorded net favorable reserve development on prior loss years of $64.1 million, a benefit of 18.9 percentage points to the company’s loss and loss expense ratio for that quarter.  Absent these adjustments, the loss and loss expense ratio for the second quarter of 2011 was 82.2% compared to 74.6% for the second quarter of 2010.  The second quarter 2011 loss and loss expense ratio was impacted by $67.5 million of net losses, or 19.0 percentage points, from U.S. weather-related events during the quarter and additional losses developing from first quarter catastrophes.  These catastrophe losses were comprised of $5.0 million from our U.S. insurance segment, $30.5 million from our international insurance segment and $32.0 million from our reinsurance segment. The second quarter 2010 loss and loss expense ratio was impacted by losses of $30.0 million, or 8.9 percentage points, from major loss events during that quarter.

The company’s expense ratio was 31.0% for the second quarter of 2011 compared to 31.3% for the second quarter of 2010.  The expense ratio was 31.3% for the six months ended June 30, 2011 compared to 31.0% in the first six months of 2010.  

Investment Results

The total return on the company’s investment portfolio for the three and six months ended June 30, 2011 was 1.3% and 2.2%, respectively.  See table below for the components of our investment returns for the first half of 2011 and 2010:


        (Expressed in thousands of   SIX MONTHS ENDED       SIX MONTHS ENDED
          United States Dollars)        JUNE 30, 2011          JUNE 30, 2010

    Net investment income                     $102,576              $134,496
    Net realized investment gains              109,254               176,378
    Change in unrealized investment
     gains                                     (36,465)              (12,294)
                                               -------               -------
    Net investment income, realized
     gains and unrealized gains               $175,365              $298,580
                                              ========              ========

    Average invested assets                 $7,888,212            $7,737,287

    Financial statement portfolio
     return                                        2.2%                  3.9%

    Note: net investment income, net realized gains/losses and change
          in unrealized gains/losses are disclosed on a pre-tax basis.

Shareholders’ Equity

As of June 30, 2011, our total shareholders’ equity was $3.0 billion, compared to $3.1 billion as of December 31, 2010.

The company’s annualized net income return on average shareholders’ equity for the three and six months ended June 30, 2011 was 12.6% and 6.8%, respectively.  The company’s annualized operating return on average shareholders’ equity for the three and six months ended June 30, 2011 was 6.0% and 0.2%, respectively.  

Share Repurchase Program

As of June 30, 2011, diluted book value per share was $76.68, an increase of 3.2% compared to $74.29 as of December 31, 2010.  For the first six months of 2011, the company repurchased 969,163 of its common shares under its share repurchase program at an average repurchase price of $61.91 per share for an aggregate cost of $60.0 million.  This plan was inactive in the second quarter of 2011 because of the merger negotiations with Transatlantic Holdings, Inc.  As of June 30, 2011, the company had $200.9 million of remaining capacity available under the share repurchase program.

Investment Supplement

Allied World will be providing additional information on its investment portfolio as of June 30, 2011.  This information will be available at the “Investor Relations” section of the company’s website at www.awac.com.

Financial Supplement

A financial supplement relating to the second quarter of 2011 will be available at the “Investor Relations” section of the company’s website at www.awac.com.

Loss Reserve Triangles

Allied World announced today that it is publishing its 2010 Global Loss Triangles.  The loss data in this report will be presented on an accident and treaty-year basis and will include information for the company’s cumulative paid and reported loss and allocated loss adjustment expenses as of December 31, 2010.  This information will be presented both gross and net of external reinsurance and is organized into reserving classes of business that fall within the company’s direct insurance and reinsurance businesses. This report will be available at the “Investor Relations” section of the company’s website at www.awac.com.

Conference Call

Allied World will host a conference call on Thursday, August 4, 2011 at 9:00 a.m. (Eastern Time) to discuss the second quarter 2011 financial results.  The public may access a live webcast of the conference call at the “Investor Relations” section of the company’s website at www.awac.com.  In addition, the conference call can be accessed by dialing (877) 317-6701 (U.S. and Canada callers) or +1-412-317-6701 (international callers) and entering the passcode 5885208 approximately ten minutes prior to the call.

Following the conclusion of the presentation, a replay of the call will be available through Thursday, August 18, 2011 by dialing (877) 344-7529 (U.S. and Canada callers) or +1-412-317-0088 (international callers) and entering the passcode 10001916. In addition, the webcast will remain available online through Thursday, August 18, 2011 at www.awac.com.

Non-GAAP Financial Measures

In presenting the company’s results, management has included and discussed in this press release certain non-generally accepted accounting principles (”non-GAAP”) financial measures within the meaning of Regulation G as promulgated by the U.S. Securities and Exchange Commission. Management believes that these non-GAAP measures, which may be defined differently by other companies, better explain the company’s results of operations in a manner that allows for a more complete understanding of the underlying trends in the company’s business. However, these measures should not be viewed as a substitute for those determined in accordance with generally accepted accounting principles (”U.S. GAAP”).

“Operating income” is an internal performance measure used in the management of the company’s operations and represents after-tax operational results excluding, as applicable, net realized investment gains or losses, net impairment charges recognized in earnings, impairment of intangible assets and foreign exchange gain or loss. The company excludes net realized investment gains or losses, net impairment charges recognized in earnings and net foreign exchange gain or loss from the calculation of operating income because the amount of these gains or losses is heavily influenced by and fluctuates in part according to the availability of market opportunities and other factors. The company excludes impairment of intangible assets as these are non-recurring charges. In addition to presenting net income determined in accordance with U.S. GAAP, the company believes that showing operating income enables investors, analysts, rating agencies and other users of the company’s financial information to more easily analyze our results of operations and underlying business performance. Operating income should not be viewed as a substitute for U.S. GAAP net income.

The company has included “diluted book value per share” because it takes into account the effect of dilutive securities; therefore, the company believes it is an important measure of calculating shareholder returns.

“Annualized net income return on average shareholders’ equity” (”ROAE”) is calculated using average shareholders’ equity, excluding the average after tax unrealized gains (or losses) on investments. Unrealized gains (losses) on investments are primarily the result of interest rate and credit spread movements and the resultant impact on fixed income securities. Such gains (losses) are not related to management actions or operational performance, nor are they likely to be realized. Therefore, the company believes that excluding these unrealized gains (losses) provides a more consistent and useful measurement of operating performance, which supplements U.S. GAAP information. In calculating ROAE, the net income (loss) available to shareholders for the period is multiplied by the number of such periods in a calendar year in order to arrive at annualized net income (loss) available to shareholders. The company presents ROAE as a measure that is commonly recognized as a standard of performance by investors, analysts, rating agencies and other users of its financial information.

“Annualized operating return on average shareholders’ equity” is calculated using operating income (as defined above and annualized in the manner described for net income (loss) available to shareholders under ROAE above), and average shareholders’ equity, excluding the average after tax unrealized gains (losses) on investments. Unrealized gains (losses) are excluded from equity for the reasons outlined in the annualized net income return on average shareholders’ equity explanation above.

Reconciliations of these financial measures to their most directly comparable U.S. GAAP measures are included in the attached tables.

About Allied World Assurance Company

Allied World Assurance Company Holdings, AG, through its subsidiaries, is a global provider of innovative property, casualty and specialty insurance and reinsurance solutions, offering superior client service through a global network of offices and branches. All of Allied World’s rated insurance and reinsurance subsidiaries are rated A by A.M. Best Company, A by Standard & Poor’s, and A2 by Moody’s, and our Lloyd’s Syndicate 2232 is rated A+ by Standard & Poor’s and Fitch. Please visit www.awac.com for further information on Allied World.

Additional Information about the Proposed Merger and Where to Find It

This communication contains certain information relating to a proposed merger between Allied World and Transatlantic Holdings, Inc. (”Transatlantic”). In connection with the proposed merger, Allied World has filed with the U.S. Securities and Exchange Commission (the “SEC”) a registration statement on Form S-4 that includes a preliminary joint proxy statement/prospectus that provides details of the proposed merger and the attendant benefits and risks. This communication is not a substitute for the joint proxy statement/prospectus or any other document that Allied World or Transatlantic may file with the SEC or send to their shareholders in connection with the proposed merger. Investors and security holders are urged to read the registration statement on Form S-4, including the preliminary joint proxy statement/prospectus, and all other relevant documents filed with the SEC (including the definitive joint proxy statement/prospectus) or sent to shareholders as they become available because they will contain important information about the proposed merger. All documents, when filed, will be available free of charge at the SEC’s website (www.sec.gov). You may also obtain these documents by contacting Allied World’s Corporate Secretary, attn.: Wesley D. Dupont, at Allied World Assurance Company Holdings, AG, Lindenstrasse 8, 6340 Baar, Zug, Switzerland, or via e-mail at secretary@awac.com; or by contacting Transatlantic’s Investor Relations department at Transatlantic Holdings, Inc., 80 Pine Street, New York, New York 10005, or via e-mail at investor_relations@transre.com. This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval.

Participants in the Solicitation

Allied World, Transatlantic and their respective directors and executive officers may be deemed to be participants in any solicitation of proxies in connection with the proposed merger. Information about Allied World’s directors and executive officers is available in Allied World’s proxy statement dated March 17, 2011 for its 2011 Annual Meeting of Shareholders. Information about Transatlantic’s directors and executive officers is available in Transatlantic’s proxy statement dated April 8, 2011 for its 2011 Annual Meeting of Shareholders. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, may be contained in the definitive joint proxy statement/prospectus and other relevant materials to be filed with the SEC regarding the merger when they become available. Investors should read the definitive joint proxy statement/prospectus carefully when it becomes available before making any voting or investment decisions

Cautionary Statement Regarding Forward-Looking Statements

Any forward-looking statements made in this communication reflect Allied World’s 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, which may cause actual results to differ materially from those set forth in these statements. For example, these forward-looking statements could be affected by the occurrence of any event, change or other circumstances that could give rise to the termination of the merger agreement; the inability to obtain Allied World’s or Transatlantic’s shareholder approval or the failure to satisfy other conditions to completion of the merger, including receipt of regulatory approvals; risks that the proposed transaction disrupts each company’s current plans and operations; the ability to retain key personnel; the ability to recognize the benefits of the merger; the amount of the costs, fees, expenses and charges related to the merger; pricing and policy term trends; increased competition; the impact of acts of terrorism and acts of war; greater frequency or severity of unpredictable catastrophic events; negative rating agency actions; the adequacy of Allied World’s loss reserves; Allied World or its non-U.S. subsidiaries becoming subject to significant income taxes in the United States or elsewhere; changes in regulations or tax laws; changes in the availability, cost or quality of reinsurance or retrocessional coverage; adverse general economic conditions; and judicial, legislative, political and other governmental developments, as well as management’s response to these factors, and other factors identified in Allied World’s filings with the SEC. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date on which they are made. Allied World is under no obligation (and expressly disclaims any such obligation) to update or revise any forward-looking statement that may be made from time to time, whether as a result of new information, future developments or otherwise.


    ALLIED WORLD ASSURANCE COMPANY HOLDINGS, AG
    UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
    (Expressed in thousands of United States dollars, except share and
    per share amounts)

                                             Quarter Ended June
                                                     30,
                                               2011        2010
                                               ----        ----

    Revenues:
      Gross premiums written               $519,598    $493,847
      Premiums ceded                       (123,795)   (124,052)
                                           --------    --------

      Net premiums written                  395,803     369,795
      Change in unearned premiums           (40,496)    (30,871)
                                            -------     -------
      Net premiums earned                   355,307     338,924

      Net investment income                  52,368      65,594
      Net realized investment gains          58,878      94,933
      Net impairment charges recognized
       in earnings                                -           -
      Other income                                -         616
                                                ---         ---
      Total revenue                         466,553     500,067
                                            -------     -------
    Expenses:
      Net losses and loss expenses          235,813     188,722
      Acquisition costs                      42,971      37,938
      General and administrative
       expenses                              67,201      68,089
      Amortization and impairment of
       intangible assets                        766         891
      Interest expense                       13,745       9,531
      Foreign exchange loss                   1,184         559
                                              -----         ---
      Total expenses                        361,680     305,730
                                            -------     -------
    Income before income taxes              104,873     194,337
      Income tax expense                     11,073      10,378
                                             ------      ------
    NET INCOME                              $93,800    $183,959
                                            =======    ========

    PER SHARE DATA:
      Basic earnings per share                $2.45       $3.66
      Diluted earnings per share              $2.36       $3.47

      Weighted average common shares
       outstanding                       38,346,489  50,222,974
      Weighted average common shares
       and common share equivalents
       outstanding                       39,800,753  52,974,410

      Dividends paid per share                   $-       $0.20

                                               Six Months Ended
                                                   June 30,
                                               2011        2010
                                               ----        ----

    Revenues:
      Gross premiums written             $1,080,286    $998,010
      Premiums ceded                       (203,612)   (194,923)
                                           --------    --------

      Net premiums written                  876,674     803,087
      Change in unearned premiums          (186,491)   (125,839)
                                           --------    --------
      Net premiums earned                   690,183     677,248

      Net investment income                 102,576     134,496
      Net realized investment gains         109,254     172,420
      Net impairment charges recognized
       in earnings                                -        (168)
      Other income                                -         913
                                                ---         ---
      Total revenue                         902,013     984,909
                                            -------     -------
    Expenses:
      Net losses and loss expenses          540,265     420,876
      Acquisition costs                      81,053      78,722
      General and administrative
       expenses                             135,157     131,552
      Amortization and impairment of
       intangible assets                      1,533       1,783
      Interest expense                       27,487      19,059
      Foreign exchange loss                     742       1,635
                                                ---       -----
      Total expenses                        786,237     653,627
                                            -------     -------
    Income before income taxes              115,776     331,282
      Income tax expense                     13,356      13,583
                                             ------      ------
    NET INCOME                             $102,420    $317,699
                                           ========    ========

    PER SHARE DATA:
      Basic earnings per share                $2.69       $6.34
      Diluted earnings per share              $2.57       $5.98

      Weighted average common shares
       outstanding                       38,061,724  50,123,945
      Weighted average common shares
       and common share equivalents
       outstanding                       39,873,418  53,086,708

      Dividends paid per share                   $-       $0.40

    ALLIED WORLD ASSURANCE COMPANY HOLDINGS, AG
    UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS
    (Expressed in thousands of United States dollars, except
     share and per share amounts)

                                                As of           As of
                                              June 30,    December 31,
    ASSETS:                                      2011            2010
                                                 ----            ----
    Fixed maturity investments
     available for sale, at fair
     value (amortized cost: 2011:
     $318,711; 2010: $828,544)               $345,551        $891,849
    Fixed maturity investments
     trading, at fair value                 6,201,034       5,769,097
    Equity securities trading, at
     fair value                               393,913         174,976
    Other invested assets trading,
     at fair value                            562,267         347,632
                                              -------         -------

    Total investments                       7,502,765       7,183,554
    Cash and cash equivalents                 807,657         853,368
    Insurance balances receivable             653,002         529,927
    Prepaid reinsurance                       223,269         187,287
    Reinsurance recoverable                 1,013,951         927,588
    Accrued investment income                  39,582          40,520
    Net deferred acquisition costs            112,083          96,803
    Goodwill                                  268,376         268,376
    Intangible assets                          55,342          56,876
    Net deferred tax assets                    19,826          19,740
    Other assets                               54,760          75,184
                      Total assets        $10,750,613     $10,239,223
                                          -----------     -----------

    LIABILITIES:
    Reserve for losses and loss
     expenses                              $5,251,304      $4,879,188
    Unearned premiums                       1,184,676         962,203
    Reinsurance balances payable              132,661          99,732
    Net balances payable on
     purchases and sales of
     investments                              252,351         318,570
    Senior notes                              797,823         797,700
    Accounts payable and accrued
     liabilities                               87,381         106,010
                 Total liabilities         $7,706,196      $7,163,403
                                           ----------      ----------

    SHAREHOLDERS' EQUITY:
    Common shares: par value CHF
     15.00 per share (2011:
     40,003,642; 2010: 40,003,642
     shares issued and 2011:
     37,945,043; 2010: 38,089,226
     shares outstanding)                      600,055         600,055
    Additional paid-in capital                 82,037         170,239
    Treasury shares, at cost
     (2011: 2,058,599; 2010:
     1,914,416)                              (124,392)       (112,811)
    Retained earnings                       2,463,622       2,361,202
    Accumulated other
     comprehensive income, net of
     tax                                       23,095          57,135
                                               ------          ------
        Total shareholders' equity          3,044,417       3,075,820
                                            ---------       ---------

             Total liabilities and
              shareholders' equity        $10,750,613     $10,239,223
                                          ===========     ===========


    ALLIED WORLD ASSURANCE COMPANY HOLDINGS, AG
    UNAUDITED CONSOLIDATED SEGMENT DATA
    (Expressed in thousands of United States dollars, except for
     ratio information)

    Quarter Ended June        U.S.      International
     30, 2011              Insurance      Insurance    Reinsurance    Total
    ------------------     ---------      ---------    -----------    -----

    Gross premiums
     written                 $226,738        $178,593      $114,267  $519,598
    Net premiums
     written                  172,887         108,985       113,931   395,803
    Net premiums
     earned                   145,857          79,956       129,494   355,307
    Net losses and
     loss expenses            (92,595)        (72,082)      (71,136) (235,813)
    Acquisition costs         (18,876)            747       (24,842)  (42,971)
    General and
     administrative
     expenses                 (31,253)        (20,653)      (15,295)  (67,201)
                              -------         -------       -------   -------
    Underwriting
     income (loss)              3,133         (12,032)       18,221     9,322
    Net investment income                                              52,368
    Net realized investment gains                                      58,878
    Amortization and impairment
     of intangible assets                                                (766)
    Interest expense                                                  (13,745)
    Foreign exchange loss                                              (1,184)
                                                                       ------
    Income before income taxes                                       $104,873
                                                                     ========

    GAAP Ratios:
    Loss and loss
     expense ratio               63.5%           90.2%         54.9%     66.4%
    Acquisition cost
     ratio                       12.9%          (0.9%)         19.2%     12.1%
    General and
     administrative
     expense ratio               21.4%           25.8%         11.8%     18.9%
    Combined ratio               97.8%          115.1%         85.9%     97.4%
                                 ====           =====          ====      ====

    Quarter Ended June        U.S.     International
     30, 2010              Insurance      Insurance    Reinsurance    Total
    ------------------     ---------      ---------    -----------    -----

    Gross premiums
     written                 $189,663        $167,601      $136,583  $493,847
    Net premiums written      135,238          98,509       136,048   369,795
    Net premiums earned       125,659          89,427       123,838   338,924
    Other income                  616               -             -       616
    Net losses and loss
     expenses                 (69,198)        (64,580)      (54,944) (188,722)
    Acquisition costs         (15,854)             66       (22,150)  (37,938)
    General and
     administrative
     expenses                 (30,683)        (22,657)      (14,749)  (68,089)
                              -------         -------       -------   -------
    Underwriting income        10,540           2,256        31,995    44,791
    Net investment income                                              65,594
    Net realized investment gains                                      94,933
    Amortization and impairment
     of intangible assets                                                (891)
    Interest expense                                                   (9,531)
    Foreign exchange loss                                                (559)
                                                                         ----
    Income before income taxes                                       $194,337
                                                                     ========

    GAAP Ratios:
    Loss and loss
     expense ratio               55.1%           72.2%         44.4%     55.7%
    Acquisition cost
     ratio                       12.6%          (0.1%)         17.9%     11.2%
    General and
     administrative
     expense ratio               24.4%           25.3%         11.9%     20.1%
                                 ----            ----          ----      ----
    Combined ratio               92.1%           97.4%         74.2%     87.0%
                                 ====            ====          ====      ====

    ALLIED WORLD ASSURANCE COMPANY HOLDINGS, AG
    UNAUDITED CONSOLIDATED SEGMENT DATA
    (Expressed in thousands of United States dollars, except for
     ratio information)

    Six Months Ended       U.S.       International
     June 30, 2011       Insurance      Insurance    Reinsurance      Total
    ----------------     ---------      ---------    -----------      -----

    Gross premiums
     written               $410,040        $289,918      $380,328  $1,080,286
    Net premiums
     written                312,789         183,895       379,990     876,674
    Net premiums
     earned                 281,338         156,246       252,599     690,183
    Other income                  -               -             -           -
    Net losses and
     loss expenses         (208,426)       (143,266)     (188,573)   (540,265)
    Acquisition costs       (36,978)          2,603       (46,678)    (81,053)
    General and
     administrative
     expenses               (62,052)        (41,381)      (31,724)   (135,157)
                            -------         -------       -------    --------
    Underwriting loss       (26,118)        (25,798)      (14,376)    (66,292)
    Net investment income                                             102,576
    Net realized investment gains                                     109,254
    Net impairment charges
     recognized in earnings                                                 -
    Amortization and impairment
     of intangible assets                                              (1,533)
    Interest expense                                                  (27,487)
    Foreign exchange loss                                                (742)
                                                                         ----
    Income before income taxes                                       $115,776
                                                                     ========

    GAAP Ratios:
    Loss and loss
     expense ratio             74.1%           91.7%         74.7%       78.3%
    Acquisition cost
     ratio                     13.1%          (1.7%)         18.5%       11.7%
    General and
     administrative
     expense ratio             22.1%           26.5%         12.6%       19.6%
    Combined ratio            109.3%          116.5%        105.8%      109.6%
                              =====           =====         =====       =====

    Six Months Ended       U.S.       International
     June 30, 2010       Insurance      Insurance    Reinsurance      Total
    ----------------     ---------      ---------    -----------      -----

    Gross premiums
     written               $351,748        $289,023      $357,239    $998,010
    Net premiums
     written                266,793         179,590       356,704     803,087
    Net premiums
     earned                 254,864         176,470       245,914     677,248
    Other income                913               -             -         913
    Net losses and
     loss expenses         (167,623)       (122,029)     (131,224)   (420,876)
    Acquisition costs       (32,814)              -       (45,908)    (78,722)
    General and
     administrative
     expenses               (57,797)        (44,502)      (29,253)   (131,552)
                            -------         -------       -------    --------
    Underwriting
     (loss) income           (2,457)          9,939        39,529      47,011
    Net investment income                                             134,496
    Net realized investment gains                                     172,420
    Net impairment charges
     recognized in earnings                                              (168)
    Amortization and impairment
     of intangible assets                                              (1,783)
    Interest expense                                                  (19,059)
    Foreign exchange loss                                              (1,635)
                                                                       ------
    Income before income taxes                                       $331,282
                                                                     ========

    GAAP Ratios:
    Loss and loss
     expense ratio             65.8%           69.1%         53.4%       62.1%
    Acquisition cost
     ratio                     12.9%            0.0%         18.7%       11.6%
    General and
     administrative
     expense ratio             22.7%           25.2%         11.9%       19.4%
                               ----            ----          ----        ----
    Combined ratio            101.4%           94.3%         84.0%       93.1%
                              =====            ====          ====        ====

    ALLIED WORLD ASSURANCE COMPANY HOLDINGS, AG
    UNAUDITED OPERATING INCOME RECONCILIATION
    (Expressed in thousands of United States dollars, except share and
    per share amounts)

                                            Quarter Ended June
                                                    30,
                                           2011            2010
                                           ----            ----

    Net income                          $93,800        $183,959
    Add after tax affect of:
      Net realized investment gains     (50,795)        (88,850)
      Net impairment charges
       recognized in earnings                 -               -
      Foreign exchange loss               1,184             559
                                          -----             ---
    Operating income                    $44,189         $95,668
                                        =======         =======

    Weighted average common
     shares outstanding:
    Basic                            38,346,489      50,222,974
    Diluted                          39,800,753      52,974,410

    Basic per share data:
    Net income                            $2.45           $3.66
    Add after tax affect of:
      Net realized investment gains       (1.32)          (1.77)
      Net impairment charges
       recognized in earnings                 -               -
      Foreign exchange loss                0.02            0.01
                                           ----            ----
    Operating income                      $1.15           $1.90
                                          =====           =====

    Diluted per share data
    Net income                            $2.36           $3.47
    Add after tax affect of:
      Net realized investment gains       (1.28)          (1.68)
      Net impairment charges
       recognized in earnings                 -               -
      Foreign exchange loss                0.03            0.01
                                           ----            ----
    Operating income                      $1.11           $1.80
                                          =====           =====

                                            Six Months Ended
                                                June 30,
                                           2011         2010
                                           ----         ----

    Net income                         $102,420     $317,699
    Add after tax affect of:
      Net realized investment gains    (100,320)    (162,452)
      Net impairment charges
       recognized in earnings                 -          109
      Foreign exchange loss                 742        1,635
                                            ---        -----
    Operating income                     $2,842     $156,991
                                         ======     ========

    Weighted average common
     shares outstanding:
    Basic                            38,061,724   50,123,945
    Diluted                          39,873,418   53,086,708

    Basic per share data:
    Net income                            $2.69        $6.34
    Add after tax affect of:
      Net realized investment gains       (2.64)       (3.24)
      Net impairment charges
       recognized in earnings                 -            -
      Foreign exchange loss                0.03         0.03
                                           ----         ----
    Operating income                      $0.08        $3.13
                                          =====        =====

    Diluted per share data
    Net income                            $2.57        $5.98
    Add after tax affect of:
      Net realized investment gains       (2.52)       (3.05)
      Net impairment charges
       recognized in earnings                 -            -
      Foreign exchange loss                0.02         0.03
                                           ----         ----
    Operating income                      $0.07        $2.96
                                          =====        =====

    ALLIED WORLD ASSURANCE COMPANY HOLDINGS, AG
    UNAUDITED  DILUTED BOOK VALUE PER SHARE RECONCILIATION
    (Expressed in thousands of United States dollars, except
     share and per share amounts)

                                           As of            As of      As of
                                         June 30,     December 31,   June 30,
                                            2011            2010        2010
                                            ----            ----        ----
    Price per share at
     period end                            $57.58         $59.44      $45.38

    Total shareholders'
     equity                            $3,044,417      $3,075,820  $3,468,543

    Basic common shares
     outstanding                       37,945,043      38,089,226  49,407,301

    Add: unvested
     restricted share
     units                                473,967         571,178     804,644

    Add:  Performance
     based equity awards                  920,164       1,440,017   1,409,984

    Add:  employee
     purchase plan                              -          10,576           -

    Add:  dilutive
     options/warrants
     outstanding                        1,124,438       3,272,739   6,667,941
      Weighted average
       exercise price per
       share                               $38.83          $35.98      $34.52
    Deduct: options
     bought back via
     treasury method                     (758,342)    (1,980,884)  (5,072,455)
                                         --------      ----------   ----------

    Common shares and
     common share
    equivalents
     outstanding                       39,705,270      41,402,852  53,217,415

    Basic book value per
     common share                          $80.23          $80.75      $70.20
    Diluted book value
     per common share                      $76.68          $74.29      $65.18

    ALLIED WORLD ASSURANCE COMPANY HOLDINGS, AG
    UNAUDITED ANNUALIZED RETURN ON SHAREHOLDERS' EQUITY RECONCILIATION
    (Expressed in thousands of United States dollars, except for
    percentage information)

                                        Quarter Ended June
                                                30,
                                         2011        2010
                                         ----        ----

    Opening shareholders' equity   $2,950,953  $3,338,807
    Deduct: accumulated other
     comprehensive income             (32,963)   (142,284)
                                      -------    --------
    Adjusted opening
     shareholders' equity           2,917,990   3,196,523
                                            -           -
    Closing shareholders' equity   $3,044,417  $3,468,543
    Deduct: accumulated other
     comprehensive income             (23,095)   (138,245)
                                      -------    --------
    Adjusted closing
     shareholders' equity           3,021,322   3,330,298

    Average shareholders' equity   $2,969,656  $3,263,411
                                   ==========  ==========

    Net  income available to
     shareholders                     $93,800    $183,959
    Annualized net income
     available to shareholders        375,200     735,836

    Annualized return on average
     shareholders' equity -net
     income available to
     shareholders                        12.6%       22.5%
                                         ====        ====

    Operating income available
     to shareholders                  $44,189     $95,668
    Annualized operating income
     available to shareholders        176,756     382,672

    Annualized return on average
     shareholders' equity -
     operating income available
     to shareholders                      6.0%       11.7%
                                          ===        ====

                                          Six Months Ended
                                              June 30,
                                         2011         2010
                                         ----         ----

    Opening shareholders' equity   $3,075,820   $3,213,295
    Deduct: accumulated other
     comprehensive income             (57,135)    (149,849)
                                      -------     --------
    Adjusted opening
     shareholders' equity           3,018,685    3,063,446

    Closing shareholders' equity   $3,044,417   $3,468,543
    Deduct: accumulated other
     comprehensive income             (23,095)    (138,245)
                                      -------     --------
    Adjusted closing
     shareholders' equity           3,021,322    3,330,298

    Average shareholders' equity   $3,020,004   $3,196,872
                                   ==========   ==========

    Net  income available to
     shareholders                    $102,420     $317,699
    Annualized net income
     available to shareholders        204,840      635,398

    Annualized return on average
     shareholders' equity -net
     income available to
     shareholders                         6.8%        19.9%
                                          ===         ====

    Operating income available
     to shareholders                   $2,842     $156,991
    Annualized operating income
     available to shareholders          5,684      313,982

    Annualized return on average
     shareholders' equity -
     operating income available
     to shareholders                      0.2%         9.8%
                                          ===          ===

 

Media: Faye Cook, Vice President, Marketing & Communications, +1-441-278-5406, faye.cook at awac.com; Investors: Keith J. Lennox, Investor Relations Officer, +1-646-794-0750, keith.lennox at awac.com

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