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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
Form 10-K
 
     
þ
  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.
     
o
  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.
     
    For the fiscal year ended December 31, 2006
 
Commission file number 001-13790
 
 
HCC Insurance Holdings, Inc.
(Exact name of registrant as specified in its charter)
 
     
Delaware   76-0336636
(State or other jurisdiction of
incorporation or organization)
  (IRS Employer
Identification No.)
     
13403 Northwest Freeway,
Houston, Texas
(Address of principal executive offices)
 
77040-6094
(Zip Code)
 
(713) 690-7300
(Registrant’s telephone number, including area code)
 
Securities registered pursuant to Section 12(b) of the Act:
 
     
Title of each class:
 
Name of each exchange on which registered:
Common Stock, $1.00 par Value   New York Stock Exchange
 
Securities registered pursuant to Section 12(g) of the Act: NONE
 
Indicate by check mark if the registrant is a well-known seasoned issuer as defined in Rule 405 of the Securities Act.  Yes o     No þ
 
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act.  Yes o     No þ
 
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15 (d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days.  Yes þ     No o
 
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  o
 
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition of “accelerated filer” and “large accelerated filer” in Rule 12b-2 of the Exchange Act. (Check one):
 
Large accelerated filer þ     Accelerated filer o     Non-accelerated filer o
 
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes o     No þ
 
The aggregate market value on June 30, 2006 (the last business day of the registrant’s most recently completed second fiscal quarter) of the voting stock held by non-affiliates of the registrant was approximately $3.2 billion. For purposes of the determination of the above-stated amount, only Directors and executive officers are presumed to be affiliates, but neither the registrant nor any such person concede that they are affiliates of the registrant.
 
The number of shares outstanding of the registrant’s Common Stock, $1.00 par value, at February 16, 2007 was 111.9 million.
 
DOCUMENTS INCORPORATED BY REFERENCE:
 
Information called for in Part III of this Form 10-K is incorporated by reference to the registrant’s definitive Proxy Statement to be filed within 120 days of the close of the registrant’s fiscal year in connection with the registrant’s annual meeting of shareholders.
 


 

 
HCC INSURANCE HOLDINGS, INC.
 
TABLE OF CONTENTS
 
                 
        Page
 
  Business   3
  Risk Factors   26
  Unresolved Staff Comments   33
  Properties   34
  Legal Proceedings   34
  Submission of Matters to a Vote of Security Holders   35
 
  Market for the Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities   36
  Selected Financial Data   38
  Management’s Discussion and Analysis of Financial Condition and Results of Operations   39
  Quantitative and Qualitative Disclosures About Market Risk   66
  Financial Statements and Supplementary Data   67
  Changes in and Disagreements with Accountants on Accounting and Financial Disclosures   67
  Controls and Procedures   67
  Other Information   69
 
  Directors, Executive Officers and Corporate Governance   69
  Executive Compensation   70
  Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters   70
  Certain Relationships and Related Transactions and Director Independence   70
  Principal Accounting Fees and Services   71
 
  Exhibits and Financial Statement Schedules   71
       
     SIGNATURES
  72
 Amendment No. 1 to Consulting Agreement and Resignation
 Statement re Computation of Ratios
 Subsidiaries
 Consent of PricewaterhouseCoopers LLP
 Powers of Attorney
 Certification of Chief Executive Officer
 Certification of Chief Financial Officer
 Certification to Annual Report
 
FORWARD-LOOKING STATEMENTS
 
This report on Form 10-K contains certain “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are intended to be covered by the safe harbors created by those laws. We have based these forward-looking statements on our current expectations and projections about future events. These forward-looking statements include information about possible or assumed future results of our operations. All statements, other than statements of historical facts, included or incorporated by reference in this Report that address activities, events or developments that we expect or anticipate may occur in the future, including such things as future capital expenditures, business strategy, competitive strengths, goals, growth of our business and operations, plans and references to future successes may be considered forward-looking statements. Also, when we use words such as “anticipate,” “believe,” “estimate,” “expect,” “intend,” “plan,” “probably” or similar expressions, we are making forward-looking statements.
 
Many risks and uncertainties may impact the matters addressed in these forward-looking statements, which could affect our future financial results and performance, including, among other things:
 
  •  the effects of catastrophic losses;
 
  •  the cyclical nature of the insurance business;
 
  •  inherent uncertainties in the loss estimation process, which can adversely impact the adequacy of loss reserves;


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  •  the effects of emerging claim and coverage issues;
 
  •  the effects of extensive governmental regulation of the insurance industry;
 
  •  potential credit risk with brokers;
 
  •  our assessment of underwriting risk;
 
  •  our increased retention of risk, which could expose us to greater potential losses;
 
  •  the adequacy of reinsurance protection;
 
  •  the ability or willingness of reinsurers to pay balances due us;
 
  •  the occurrence of terrorist activities;
 
  •  our ability to maintain our competitive position;
 
  •  changes in our assigned financial strength ratings;
 
  •  our ability to raise capital in the future;
 
  •  attraction and retention of qualified employees;
 
  •  fluctuations in the fixed income securities market, which may reduce the value of our investment assets;
 
  •  our ability to successfully expand our business through the acquisition of insurance-related companies;
 
  •  our ability to receive dividends from our insurance company subsidiaries in needed amounts;
 
  •  fluctuations in foreign exchange rates;
 
  •  failures of our information technology systems, which could adversely affect our business;
 
  •  impairment of goodwill;
 
  •  developments in the SEC’s informal inquiry related to our stock option granting procedures;
 
  •  litigation related to our stock option investigation;
 
  •  the loss of our Founder as a Director, Chairman of the Board and Chief Executive Officer; and
 
  •  change of control.
 
We describe these risks and uncertainties in greater detail in Item 1A, Risk Factors.
 
These events or factors could cause our results or performance to differ materially from those we express in our forward-looking statements. Although we believe that the assumptions underlying our forward-looking statements are reasonable, any of these assumptions, and, therefore, also the forward-looking statements based on these assumptions, could themselves prove to be inaccurate. In light of the significant uncertainties inherent in the forward-looking statements which are included in this Report, our inclusion of this information is not a representation by us or any other person that our objectives and plans will be achieved.
 
Our forward-looking statements speak only at the date made, and we will not update these forward-looking statements unless the securities laws require us to do so. In light of these risks, uncertainties and assumptions, any forward-looking events discussed in this Report may not occur.


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PART I
 
Item 1.   Business
 
Business Overview
 
HCC Insurance Holdings, Inc. is a Delaware corporation, which was formed in 1991. Its predecessor corporation was formed in 1974. Our principal executive offices are located at 13403 Northwest Freeway, Houston, Texas 77040, and our telephone number is (713) 690-7300. We maintain an Internet web-site at www.hcc.com. The reference to our Internet web-site address in this Report does not constitute the incorporation by reference of the information contained at the web-site in this Report. We will make available, free of charge through publication on our Internet web-site, a copy of our Annual Report on Form 10-K and quarterly reports on Form 10-Q and any current reports on Form 8-K or amendments to those reports, filed with or furnished to the Securities and Exchange Commission (SEC) as soon as reasonably practicable after we have filed or furnished such materials with the SEC.
 
As used in this report, unless otherwise required by the context, the terms “we,” “us” and “our” refer to HCC Insurance Holdings, Inc. and its consolidated subsidiaries and the term “HCC” refers only to HCC Insurance Holdings, Inc. All trade names or trademarks appearing in this report are the property of their respective holders.
 
We provide specialized property and casualty, surety, and group life, accident and health insurance coverages and related agency and reinsurance brokerage services to commercial customers and individuals. We concentrate our activities in selected, narrowly defined, specialty lines of business. We operate primarily in the United States, the United Kingdom, Spain, Bermuda and Ireland. Some of our operations have a broader international scope. We underwrite insurance both on a primary basis, where we insure a risk in exchange for a premium, and on a reinsurance basis, where we insure all or a portion of another insurance company’s risk in exchange for all or a portion of the premium. We market our products both directly to customers and through a network of independent and affiliated brokers, producers and agents.
 
Since our founding, we have been consistently profitable, generally reporting annual increases in total revenue and shareholders’ equity. During the period 2002 through 2005, which is the latest period for which industry information is available, we had an average statutory combined ratio of 89.8% versus the less favorable 101.7% (source: A.M. Best Company, Inc.) recorded by the U.S. property and casualty insurance industry overall. During the period 2002 through 2006, our gross written premium increased from $1.2 billion to $2.2 billion, an increase of 83%, while net written premium increased 232% from $545.9 million to $1.8 billion. During this period, our revenue increased from $666.8 million to $2.1 billion, an increase of 211%. During the period December 31, 2002 through December 31, 2006, our shareholders’ equity increased 131% from $884.7 million to $2.0 billion and our assets increased 105% from $3.7 billion to $7.6 billion.
 
Our insurance companies are risk-bearing and focus their underwriting activities on providing insurance and/or reinsurance in the following lines of business:
 
  •  Diversified financial products
 
  •  Group life, accident and health
 
  •  Aviation
 
  •  London market account
 
  •  Other specialty lines
 
Our operating insurance companies are rated “AA (Very Strong)” (3rd of 22 ratings) by Standard & Poor’s Corporation and AA− (Very Strong) by Fitch Ratings (4th of 24 ratings). Avemco Insurance Company, HCC Life Insurance Company, Houston Casualty Company and U.S. Specialty Insurance Company are rated “A+ (Superior)” (2nd of 16 ratings) by A.M. Best Company, Inc. American Contractors Indemnity Company, Perico Life Insurance Company, United States Surety Company and HCC Insurance Company are rated “A (Excellent)” (3rd of 16 ratings). Standard & Poor’s, Fitch Ratings and A.M. Best are nationally recognized


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independent rating agencies. These financial strength ratings are intended to provide an independent opinion of an insurer’s ability to meet its obligations to policyholders and are not evaluations directed at investors.
 
Our underwriting agencies underwrite on behalf of our insurance companies and in certain situations for other non-affiliated insurance companies. They receive fees for these services and do not bear any of the insurance risk of the companies for which they underwrite. Our underwriting agencies generate revenues based on fee income and profit commissions and specialize in contingency (including contest indemnification, event cancellation and weather coverages); directors’ and officers’ liability; individual disability (for athletes and other high profile individuals); kidnap and ransom; employment practices liability; marine; professional indemnity; public entity; mortgage, residual value and title insurance; and other specialty lines of business. Our principal underwriting agencies are Covenant Underwriters, G.B. Kenrick & Associates, HCC Global Financial Products, HCC Indemnity Guaranty Agency, HCC Specialty Underwriters, Professional Indemnity Agency, and RA&MCO Insurance Services.
 
Our brokers provide reinsurance and insurance brokerage services for our insurance companies, agencies and our clients and receive fees for their services. A reinsurance broker structures and arranges reinsurance between insurers seeking to cede insurance risks and reinsurers willing to assume such risks. Reinsurance brokers do not bear any of the insurance risks of their client companies. They earn commission income, and to a lesser extent, fees for certain services, generally paid by the insurance and reinsurance companies with whom the business is placed. Insurance broker operations consist of consulting with retail and wholesale clients by providing information about insurance coverage and marketing, placing and negotiating particular insurance risks. Our brokers specialize in placing insurance and reinsurance for group life, accident and health, surety, marine, and property and casualty lines of business. Our brokers are Rattner Mackenzie, HCC Risk Management and Continental Underwriters.
 
Our Strategy
 
Our business philosophy is to maximize underwriting profits and produce non-risk-bearing fee and commission income while limiting risk in order to preserve shareholders’ equity and maximize earnings. We concentrate our insurance writings in selected, narrowly defined, specialty lines of business where we believe we can achieve an underwriting profit. We also rely on our experienced underwriting personnel and our access to and expertise in the reinsurance marketplace to achieve our strategic objectives. We market our insurance products both directly to customers and through affiliated and independent brokers, agents and producers.
 
The property and casualty insurance industry and individual lines of business within the industry are cyclical. There are times when a large number of companies offer insurance on certain lines of business, causing premiums to trend downward. During other times, insurance companies limit their writings in certain lines of business due to lack of capital or following periods of excessive losses. This results in an increase in premiums for those companies that continue to write insurance in those lines of business.
 
In our insurance company operations, we believe our operational flexibility, which permits us to shift the focus of our insurance underwriting activity among our various lines of business and also to shift the emphasis from our insurance risk-bearing business to our non-insurance, fee-based business, allows us to implement a strategy of emphasizing more profitable lines of business during periods of increased premium rates and de-emphasizing less profitable lines of business during periods of increased competition. In addition, we believe that our underwriting agencies and brokers complement our insurance underwriting activities. Our ability to utilize affiliated insurers, underwriting agencies and reinsurance brokers permits us to retain a greater portion of the gross revenue derived from written premium.
 
After a period in which premium rates rose substantially, premium rates in several of our lines of business became more competitive during the past three years. The rate decreases were more gradual than the prior rate increases; thus, our underwriting activities remain profitable. During the past several years, we expanded our underwriting activities and increased our retentions in response to these market conditions. During 2005 and 2006, we again increased our retentions on certain of our lines of business that were not generally exposed to catastrophe risk and where profit margins were usually more predictable. These higher retention levels


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increased our net written and earned premium and have resulted in additional underwriting profits and net earnings.
 
Through reinsurance, our insurance companies transfer or cede all or part of the risk we have underwritten to a reinsurance company in exchange for all or part of the premium we receive in connection with the risk. We purchase reinsurance to limit the net loss to our insurance companies from both individual and catastrophic risks. The amount of reinsurance we purchase varies by, among other things, the particular risks inherent in the policies underwritten, the pricing of reinsurance and the competitive conditions within the relevant line of business.
 
When we determine to retain more underwriting risk in a particular line of business, we do so with the intention of retaining a greater portion of any underwriting profits without increasing our exposure to severe or catastrophe losses. In this regard, we may purchase less proportional or quota share reinsurance applicable to that line, thus accepting more of the risk but possibly replacing it with specific excess of loss reinsurance, where we transfer to reinsurers both premium and losses on a non-proportional basis for individual and catastrophic risks above a retention point. Additionally, we may obtain facultative reinsurance protection on individual risks. In some cases, we may choose not to purchase reinsurance in a line of business where we believe there has been a favorable loss history, our policy limits are relatively low or we determine there is a low likelihood of catastrophe exposure.
 
We also acquire or make strategic investments in companies that present an opportunity for future profits or for the enhancement of our business. We expect to continue to acquire complementary businesses. We believe that we can enhance acquired businesses through the synergies created by our underwriting capabilities and our other operations.
 
Our business plan is shaped by our underlying business philosophy, which is to maximize underwriting profit and net earnings while preserving and achieving long-term growth of shareholders’ equity. As a result, our primary objective is to increase net earnings rather than market share or gross written premium.
 
In our ongoing operations, we will continue to:
 
  •  emphasize the underwriting of lines of business where there is an anticipation of underwriting profits based on various factors including premium rates, the availability and cost of reinsurance, policy terms and conditions, and market conditions;
 
  •  limit our insurance companies’ aggregate net loss exposure from a catastrophic loss through the use of reinsurance for those lines of business exposed to such losses and diversification into lines of business not exposed to such losses; and
 
  •  consider the potential acquisition of specialty insurance operations and other strategic investments.
 
Industry Segment and Geographic Information
 
Financial information concerning our operations by industry segment and geographic data is included in the Consolidated Financial Statements and Notes thereto.
 
Recent Acquisitions
 
We have made a series of acquisitions that have furthered our overall business strategy. Our recent major transactions are described below:
 
On January 31, 2004, we acquired all of the shares of Surety Associates Holding Co., Inc., the parent company of American Contractors Indemnity Company, a California-domiciled surety company. We paid $46.8 million for the acquisition. American Contractors Indemnity Company now operates with our other surety operations as part of our HCC Surety Group.
 
On October 1, 2004, we acquired all of the shares of InsPro Corporation, a California underwriting agency specializing in professional indemnity insurance and which does business as RA&MCO Insurance


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Services. We paid $7.0 million and issued 74,750 shares of our common stock in connection with the acquisition. RA&MCO operates as a division of Professional Indemnity Agency.
 
On February 25, 2005, we acquired United States Surety Company through a merger effected with its parent company, USSC Holdings, Inc. We issued 1.2 million shares of our common stock in connection with the acquisition. United States Surety Company is a Maryland-domiciled surety company and now operates as a part of our HCC Surety Group.
 
On July 14, 2005, we acquired the remaining 66% of De Montfort Group Limited that we did not own for $10.5 million and 274,000 shares of our common stock. We acquired our initial 34% interest in January 2005. The key operating subsidiary, De Montfort Insurance Company, provides surety and credit insurance. It has been renamed HCC International Insurance Company, and a significant amount of our other United Kingdom operations were combined with this company in 2006.
 
On December 1, 2005, we acquired Perico Ltd., a medical stop-loss insurance underwriting agency headquartered in St. Louis, Missouri. We paid $30.0 million and issued 158,599 shares of our common stock in connection with the acquisition.
 
On December 13, 2005, we acquired MIC Life Insurance Corporation, a Delaware-domiciled insurance company, for $20.0 million. MIC has been renamed Perico Life Insurance Company and operations are located in St. Louis, Missouri.
 
On December 21, 2005, we acquired the remaining 80% of Illium Insurance Group, Ltd. that we did not own for $2.5 million. We acquired our initial 20% interest in March 2004. Illium Insurance Group Ltd. is the parent of a managing agent for a syndicate at Lloyd’s of London, which specializes in United Kingdom third party liability, employers’ liability and commercial motor risks. One of our insurance companies has been and will continue to be a substantial participant in this syndicate.
 
On June 30, 2006, we acquired Novia Underwriters, Inc., an underwriting agency based in Indianapolis, Indiana, specializing in medical stop-loss insurance, for $5.5 million cash. Novia’s business has been absorbed into Perico Life.
 
On July 1, 2006, we acquired G.B. Kenrick & Associates, Inc., an underwriting agency located in Auburn Hills, Michigan, recognized as a premier underwriter of public entity insurance, for $18.0 million cash. Kenrick operates as a subsidiary of Professional Indemnity Agency.
 
On October 2, 2006, we acquired the assets of the Health Products Division of Allianz Life Insurance Company of North America (the Health Products Division) for cash consideration of $140.0 million and assumed the outstanding loss reserves. The Health Products Division’s operations include medical stop-loss insurance for self-insured corporations and groups; medical excess insurance for HMOs; provider excess insurance for integrated delivery systems; excess medical reinsurance to small and regional insurance carriers; and LifeTrac, a network for providing organ and bone marrow transplants. The Health Products Division currently writes approximately $250.0 million in annual gross premium. We integrated the Health Products Division’s operations into HCC Life Insurance Company.
 
We continue to evaluate acquisition opportunities and we may complete additional acquisitions during 2007. Any future acquisitions will be designed to expand and strengthen our existing lines of business or to provide access to additional specialty sectors, which we expect to contribute to our overall growth.


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Insurance Company Operations
 
Lines of Business
 
This table shows our insurance companies’ total premium written, otherwise known as gross written premium, by line of business and the percentage of each line to total gross written premium (dollars in thousands):
 
                                                 
    2006     2005     2004  
 
Diversified financial products
  $ 956,057       43 %   $ 908,526       45 %   $ 857,299       43 %
Group life, accident and health
    621,639       28       593,382       29       584,747       30  
Aviation
    216,208       10       210,530       10       204,963       10  
London market account
    234,868       10       144,425       7       178,950       9  
Other specialty lines
    205,651       9       176,139       9       133,964       7  
Discontinued lines of business
    1,225             5,284             15,230       1  
                                                 
Total gross written premium
  $ 2,235,648       100 %   $ 2,038,286       100 %   $ 1,975,153       100 %
                                                 
 
This table shows our insurance companies’ actual premium retained, otherwise known as net written premium, by line of business and the percentage of each line to total net written premium (dollars in thousands):
 
                                                 
    2006     2005     2004  
 
Diversified financial products
  $ 794,232       44 %   $ 675,942       45 %   $ 404,870       37 %
Group life, accident and health
    590,811       33       502,805       34       343,996       31  
Aviation
    166,258       9       130,743       9       144,687       13  
London market account
    127,748       7       78,809       5       107,509       10  
Other specialty lines
    133,481       7       109,106       7       83,980       7  
Discontinued lines of business
    22             3,819             20,477       2  
                                                 
Total net written premium
  $ 1,812,552       100 %   $ 1,501,224       100 %   $ 1,105,519       100 %
                                                 
 
This table shows our insurance companies’ net written premium as a percentage of gross written premium, otherwise referred to as percentage retained, for our continuing lines of business:
 
                         
    2006     2005     2004  
 
Diversified financial products
    83 %     74 %     47 %
Group life, accident and health
    95       85       59  
Aviation
    77       62       71  
London market account
    54       55       60  
Other specialty lines
    65       62       63  
                         
Continuing lines of business percentage retained
    81 %     74 %     55 %
                         
 
Underwriting
 
We underwrite primary business produced through affiliated underwriting agencies, through independent and affiliated brokers and producers and by direct marketing efforts. We also write facultative or individual account reinsurance as well as some treaty reinsurance business.


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Diversified Financial Products
 
We underwrite a variety of financial insurance risks in our diversified financial products line of business. These risks include:
 
  •  directors’ and officers’ liability
  •  employment practices liability
  •  mortgage guaranty
  •  professional indemnity
  •  residual value insurance
  •  surety and credit
  •  other financial products
 
We began to underwrite this line of business through a predecessor company in 1977. Our insurance companies started participating in this business in 2001. We have substantially increased our level of business through the acquisition of a number of agencies and insurance companies that operate in this line of business, both domestically and internationally. Each of the acquired entities has significant experience in its respective specialty within this line of business. We have also formed entities developed around teams of experienced underwriters, which offer these products.
 
In 2002 and 2003, following several years of insurance industry losses, significant rate increases were experienced throughout our diversified financial products line of business, particularly directors’ and officers’ liability, which we began underwriting opportunistically in 2002. We benefited greatly from these improved conditions despite the fact that we had not been involved in the past losses. Rates have softened in 2004, 2005 and 2006 for some of the products in this line, but our underwriting margins are still very profitable. There is also considerable investment income derived from diversified financial products due to the extended periods involved in claims resolution.
 
We had previously maintained reinsurance on our diversified financial products line of business, primarily on a proportional basis, but over the past two years have substantially increased our retentions. Although individual losses primarily in the directors’ and officers’ public company liability business may have potential severity, there is a relatively low risk of catastrophe exposure in this line of business and a reasonable expectation of underwriting profitability. Net premium written for the United States public company directors’ and officers’ liability was approximately $244.3 million in 2006. The remainder of the diversified financial products business is less volatile with relatively low limits.
 
Group Life, Accident and Health
 
We write medical stop-loss business through HCC Life Insurance Company and since its December 2005 acquisition, Perico Life Insurance Company. Our medical stop-loss insurance provides coverages to companies, associations and public entities that elect to self-insure their employees’ medical coverage for losses within specified levels, allowing them to manage the risk of excessive health insurance exposure by limiting aggregate and specific losses to a predetermined amount. We first began writing this business through a predecessor company in 1980. Our insurance companies started participating in this business in 1997. This line of business has grown both organically and through acquisitions. We are considered a market leader in medical stop-loss insurance. We also underwrite a small program of group life insurance offered to our insureds as a complement to our medical stop-loss products and we began writing medical excess insurance for various insureds, an operation we acquired in the acquisition of the Health Products Division in 2006.
 
Premium rates rose substantially beginning in 2000 and, although competition has increased in recent years and the amount of premium rate increases has decreased, underwriting results have remained profitable. Premium rate increases together with deductible increases are still adequate to cover medical cost trends. Medical stop-loss business has relatively low limits, a low level of catastrophe exposure and a generally predictable result. Therefore, we have increased our retentions annually since 2001 and currently buy no reinsurance for this line of business.
 
We began writing alternative workers’ compensation and occupational accident insurance in 1996. This business is currently written through U.S. Specialty Insurance Company. These products have relatively low limits, a relatively low level of catastrophe exposure and a generally predictable result.


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Aviation
 
We are a market leader in the general aviation insurance industry insuring aviation risks, both domestically and internationally. Types of aviation business include:
 
  •  antique and vintage military aircraft
  •  cargo operators
  •  commuter airlines
  •  corporate aircraft
  •  fixed base operations
  •  military and law enforcement aircraft
  •  private aircraft owners
  •  rotor wing aircraft
 
We offer coverages that include hulls, engines, avionics and other systems, liabilities, cargo and other ancillary coverages. We generally do not insure major airlines, major manufacturers, products or satellites. Insurance claims related to general aviation business tend to be seasonal, with the majority of the claims being incurred during the spring and summer months.
 
We have been underwriting aviation risks through Houston Casualty Company since 1981 and since 1959 in Avemco Insurance Company and U.S. Specialty Insurance Company, which were acquired in 1997. We are one of the largest writers of personal aircraft insurance in the United States. Our aviation gross premium has remained relatively stable since 1998, although we have increased our retentions as this business is predominantly written with small limits and has generally predictable results.
 
London Market Account
 
Our London market account business consists of marine, energy, property, and accident and health business, and has been primarily underwritten by Houston Casualty Company’s London branch office. During 2006, we began to utilize HCC International Insurance Company to underwrite the non-U.S. based risks that comprise this line of business. This line includes most of our catastrophe exposure. We have underwritten these risks for more than 15 years, increasing or decreasing our premium volume depending on market conditions, which can be very volatile in this line. The following table presents the details of net premium written within the London market account line of business (in thousands):
 
                         
    2006     2005     2004  
 
Marine
  $ 26,664     $ 23,799     $ 19,537  
Energy
    57,619       15,621       26,258  
Property
    18,049       18,379       19,613  
Accident and health
    25,416       21,010       42,101  
                         
Total London market account net written premium
  $ 127,748     $ 78,809     $ 107,509  
                         
 
We underwrite marine risks for ocean-going vessels including hull, protection and indemnity, liabilities and cargo. We have underwritten marine risks since 1984 in varying amounts depending on market conditions.
 
In our energy business, we underwrite physical damage and business interruption. We have been underwriting both onshore and offshore energy risks since 1988. This business includes:
 
  •  drilling rigs
  •  gas production and gathering platforms
  •  natural gas facilities
  •  petrochemical plants
  •  pipelines
  •  refineries
 
Rates were relatively low for an extended period of time, reaching levels where underwriting profitability was difficult to achieve. As a result, we have underwritten energy risks on a very selective basis, striving for quality rather than quantity. Underwriting profitability was adversely impacted by the 2004 and 2005 hurricane activity, but this has resulted in rates increasing substantially and policy conditions becoming more stringent. The business was very profitable in 2006 as there were no catastrophe losses. However, we continue to reinsure much of our catastrophe exposure, buying substantial amounts of reinsurance both on a proportional and excess basis.


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We underwrite property business specializing in risks of large, often multinational, corporations, covering a variety of commercial properties including:
 
  •  factories
  •  hotels
  •  industrial plants
  •  office buildings
  •  retail locations
  •  utilities
 
We have written property business since 1986, including business interruption, physical damage and catastrophe risks, including flood and earthquake. Rates increased significantly following September 11, 2001, but had trended downward by 2005 despite the hurricane activity of 2004. The massive losses from hurricanes in 2005 resulted in substantial rate increases, but due to over capacity, policy conditions have remained unchanged, unlike energy risks. Accordingly, we substantially reduced our involvement in policies with exposures in the Florida and U.S. Gulf Coast regions. We continue to buy substantial catastrophe reinsurance, unlike many industry participants, which has shown to be adequate during 2004 and 2005 when large amounts of industry capital were lost. While seriously affecting our earnings in the third quarters of 2004 and 2005, we still were able to produce record annual earnings in those years, and this business was profitable in 2006 as there were no significant catastrophe losses.
 
We began writing London market accident and health risks in 1996, including trip accident, medical and disability. Due to past experience and other market factors, we significantly decreased premiums starting in 2004, although our business is now much more stable and profitable.
 
Our London market account is reinsured both proportionally and on an excess of loss basis. Catastrophe exposure is closely monitored and reinsurance is purchased accordingly to limit our net exposure to a level that any loss is not expected to impact our capital. Previous net catastrophe losses from Hurricane Andrew in 1992, the Northridge Earthquake in 1994, the terrorist attacks on September 11, 2001, and the hurricanes of 2004 and 2005 did not exceed net earnings in the affected quarter.
 
Other Specialty Lines
 
In addition to the above, we underwrite various other specialty lines of business, including different types of property and liability business, for which individual premiums by type of business are not at this time significant to our overall results of operations.
 
Insurance Companies
 
Houston Casualty Company
 
Houston Casualty Company is our largest insurance company subsidiary. It is domiciled in Texas and insures risks worldwide. Houston Casualty Company receives business through independent agents and brokers, our underwriting agencies and reinsurance brokers, and other insurance and reinsurance companies. Houston Casualty Company writes diversified financial products, aviation, London market account and other specialty lines of business. It is also an issuing carrier for our affiliated underwriting agencies. Houston Casualty Company’s 2006 gross written premium, including Houston Casualty Company-London, was $738.6 million.
 
Houston Casualty Company-London
 
Houston Casualty Company operates a branch office in London, England, in order to more closely align its underwriting operations with the London market, a historical focal point for some of the business that it underwrites. Houston Casualty Company-London underwrites diversified financial products and London market account business, some of which is produced by our affiliated underwriting agencies. In 2006, we focused the underwriting activities of Houston Casualty Company-London’s office on risks based in the United States. We began to use HCC International Insurance Company as a platform for much of the European and other international risks previously underwritten by Houston Casualty Company-London.


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HCC International Insurance Company
 
HCC International Insurance Company PLC, writes diversified financial products business, primarily surety, credit and professional indemnity products, and non-United States based London market account risks. HCC International Insurance Company has been in operation since 1982 and is domiciled in the United Kingdom. HCC International Insurance Company’s 2006 gross written premium was $156.3 million. We intend to continue to expand the underwriting activities of HCC International Insurance Company and to use it as an integral part of a European platform for our international insurance operations.
 
U.S. Specialty Insurance Company
 
U.S. Specialty Insurance Company is a Texas-domiciled property and casualty insurance company. It primarily writes diversified financial products, aviation and accident and health business. U.S. Specialty Insurance Company acts as an issuing carrier for certain business underwritten by our underwriting agencies. U.S. Specialty Insurance Company’s gross written premium in 2006 was $497.8 million.
 
HCC Life Insurance Company
 
HCC Life Insurance Company is an Indiana-domiciled life insurance company. It operates as a group life, accident and health insurer. In early 2005, we consolidated the operations of our underwriting agency, HCC Benefits Corporation, into HCC Life Insurance Company. In 2006, the Health Products Division was acquired and integrated into HCC Life Insurance Company. HCC Life Insurance Company’s gross written premium in 2006 was $539.0 million.
 
Avemco Insurance Company
 
Avemco Insurance Company is a Maryland-domiciled property and casualty insurer and operates as a direct market underwriter of general aviation business. It has also been an issuing carrier for accident and health business and some other lines of business underwritten by our underwriting agencies and an unaffiliated underwriting agency. Avemco Insurance Company’s gross written premium in 2006 was $92.2 million.
 
American Contractors Indemnity Company
 
American Contractors Indemnity Company is a California-domiciled surety company. It writes court, specialty contract, license and permit and bail bonds. American Contractors Indemnity Company has been in operation since 1990 and operates as a part of our HCC Surety Group. American Contractors Indemnity Company’s 2006 gross written premium was $83.3 million.
 
HCC Europe
 
Houston Casualty Company Europe, Seguros y Reaseguros, S.A. is a Spanish insurer. It underwrites diversified financial products business. HCC Europe is also an issuing carrier for business underwritten by our underwriting agencies and has been in operation since 1978. HCC Europe’s gross written premium in 2006 was $165.5 million.
 
HCC Reinsurance Company
 
HCC Reinsurance Company Limited is a Bermuda-domiciled reinsurance company that writes assumed reinsurance from our insurance companies and from unaffiliated insurance companies and a limited amount of primary insurance. HCC Reinsurance Company is an issuing carrier for diversified financial products business underwritten by our underwriting agency, HCC Indemnity Guaranty. HCC Reinsurance Company also reinsures our proportional interest in Lloyds of London Syndicate 4040, which is managed by our subsidiary Illium Managing Agency, Ltd. Illium Managing Agency was acquired in December 2005. It writes business included in our other specialty line of business. HCC Reinsurance Company’s gross written premium in 2006 was $81.7 million.


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HCC Specialty Insurance Company
 
HCC Specialty Insurance Company is an Oklahoma-domiciled property and casualty insurance company in operation since 2002. It writes diversified financial products and other specialty lines of business produced by our underwriting agencies. HCC Specialty Insurance Company’s gross written premium in 2006 was $19.0 million and is 100% ceded to Houston Casualty Company.
 
United States Surety Company
 
United States Surety Company is a Maryland-domiciled surety company that has been in operation since 1996. It writes contract bonds and operates as a part of our HCC Surety Group. United States Surety Company’s 2006 gross written premium was $21.1 million.
 
Perico Life Insurance Company
 
Perico Life Insurance Company was a previously dormant company acquired in December 2005 and is a Delaware-domiciled life insurance company. Perico Life Insurance Company now operates as a group life, accident and health insurer. In 2006, we consolidated the operations of our recently acquired underwriting agencies, Novia Underwriters, Inc. and Perico Ltd., into Perico Life Insurance Company. Perico Life Insurance Company’s 2006 gross written premium was $32.4 million.
 
HCC Insurance Company
 
HCC Insurance Company is an Indiana-domiciled property and casualty insurance company. It writes business included in our other specialty lines of business produced by one of our underwriting agencies. HCC Insurance Company’s gross written premium in 2006 was $5.9 million and is 100% ceded to Houston Casualty Company.
 
Underwriting Agency Operations
 
Our underwriting agencies act on behalf of affiliated and non-affiliated insurance companies and provide insurance underwriting management and claims administration services. Our underwriting agencies do not assume any insurance or reinsurance risk themselves and generate revenues based entirely on fee income and profit commissions. These subsidiaries are in a position to direct and control business they produce. Our insurance companies serve as policy issuing companies for the majority of the business written by our underwriting agencies. If an unaffiliated insurance company serves as the policy issuing company, our insurance companies may reinsure the business written by our underwriting agencies. Total revenue generated by our underwriting agencies in 2006 amounted to $148.7 million.
 
Professional Indemnity Agency
 
Professional Indemnity Agency, Inc., based in Mount Kisco, New York and with operations in San Francisco, California, Concord, California, and Auburn Hills, Michigan, acts as an underwriting manager for diversified financial products specializing in directors’ and officers’ liability and professional indemnity, kidnap and ransom, employment practice liability, public entity and other specialty lines of business on behalf of affiliated and unaffiliated insurance companies. It has been in operation since 1977.
 
HCC Specialty Underwriters
 
HCC Specialty Underwriters Inc., with its home office in Wakefield, Massachusetts and with branch offices in London, England, Los Angeles, California and New York, New York, acts as an underwriting manager for sports disability, contingency and other group life, accident and health and specialty lines of business on behalf of affiliated and unaffiliated insurance companies. It has been in operation since 1982.


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HCC Global Financial Products
 
HCC Global Financial Products, LLC acts as an underwriting manager for diversified financial products, specializing in directors’ and officers’ liability business on behalf of affiliated insurance companies. It has been in operation since 1999, underwriting domestic business from Farmington, Connecticut and international business from Barcelona, Spain and London, England.
 
Covenant Underwriters
 
Covenant Underwriters, Ltd. is an underwriting agency based in Covington, Louisiana with an office in New York, New York, specializing in commercial marine insurance underwritten on behalf of affiliated and unaffiliated insurance companies. It has been in operation through predecessor entities since 1993.
 
HCC Indemnity Guaranty Agency
 
HCC Indemnity Guaranty Agency, Inc. is an underwriting agency based in New York, New York, specializing in mortgage guaranty, structured products, title and residual value insurance and reinsurance on behalf of affiliated insurance companies. It has been in operation since 2004.
 
Illium Insurance Group
 
Illium Insurance Group, Ltd. is the parent of a managing agent for a syndicate at Lloyd’s of London, which specializes in United Kingdom third party liability, employers’ liability and commercial motor risks. One of our insurance companies is a substantial participant in this syndicate. We may use Illium and its managed syndicate as a platform for expanding our operations within the Lloyd’s market. It has been in operation since 2004.
 
Reinsurance and Insurance Broker Operations
 
Our reinsurance and insurance brokers provide a variety of services, including marketing, placing, consulting on and servicing insurance risks for their clients, which include medium to large corporations, unaffiliated and affiliated insurance and reinsurance companies, and other risk-taking entities. The brokers earn commission income and, to a lesser extent, fees for certain services, generally paid by the underwriters with whom the business is placed. Some of these risks may be initially underwritten by our insurance companies and they may retain a portion of the risk. Total revenue generated by our brokers in 2006 amounted to $31.3 million.
 
Rattner Mackenzie
 
Rattner Mackenzie Limited is a reinsurance broker based in London, England with additional operations in Hamilton, Bermuda and Mt. Kisco, New York. Rattner Mackenzie specializes in group life, accident and health reinsurance and some specialty property and casualty lines of business. It operates as a Lloyd’s broker for insurance and reinsurance business placed on behalf of unaffiliated and affiliated insurance companies, reinsurance companies and underwriting agencies and has been in operation since 1989.
 
Continental Underwriters
 
Continental Underwriters Ltd. is an insurance broker based in Covington, Louisiana, specializing in commercial marine insurance and has been in operation since 1970.
 
HCC Risk Management
 
HCC Risk Management Corporation, based in Houston, Texas, is a reinsurance broker specializing in placing reinsurance on behalf of affiliated and unaffiliated insurance companies and has been in operation since 1991.


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Other Operations
 
Other operating income consists of 1) equity in the earnings of mainly insurance-related companies in which we invest, 2) dividends and interest from certain other insurance-related strategic investments and gains or losses from the disposition of these investments, 3) income related to two mortgage impairment insurance contracts which, while written as insurance policies, receive accounting treatment as derivative financial instruments, 4) the profit or loss from a portfolio of trading securities and 5) other miscellaneous income. Other operating income was $77.0 million in 2006, but can vary considerably from period to period depending on the amount of investment or disposition activity. In the fourth quarter of 2006, we began liquidating our trading portfolio, a process that will be completed in 2007, investing the proceeds primarily in fixed income securities.
 
Operating Ratios
 
Premium to Surplus Ratio
 
This table shows the ratio of statutory gross written premium and net written premium to statutory policyholders’ surplus for our property and casualty insurance companies (dollars in thousands):
 
                                         
    2006     2005     2004     2003     2002  
 
Gross written premium
  $ 2,243,843     $ 2,049,116     $ 1,992,361     $ 1,746,413     $ 1,163,397  
Net written premium
    1,812,896       1,495,931       1,121,343       867,795       545,475  
Policyholders’ surplus
    1,342,054       1,110,268       844,851       591,889       523,807  
Gross written premium ratio
    167.2 %     184.6 %     235.8 %     295.1 %     222.1 %
Gross written premium industry average(1)
    *       192.7 %     201.6 %     219.3 %     244.4 %
Net written premium ratio
    135.1 %     134.7 %     132.7 %     146.6 %     104.1 %
Net written premium industry average(1)
    *       99.8 %     108.5 %     117.4 %     130.3 %
 
 
(1) Source: A.M. Best Company, Inc.
 
 *  Not available
 
While there is no statutory requirement regarding a permissible premium to policyholders’ surplus ratio, guidelines established by the National Association of Insurance Commissioners provide that a property and casualty insurer’s annual statutory gross written premium should not exceed 900% and net written premium should not exceed 300% of its policyholders’ surplus. However, industry standards and rating agency criteria place these ratios at 300% and 200%, respectively. Our property and casualty insurance companies have maintained ratios lower than such guidelines.


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Combined Ratio — GAAP
 
The underwriting experience of a property and casualty insurance company is indicated by its combined ratio. The GAAP combined ratio is a combination of the loss ratio (the ratio of incurred losses and loss adjustment expenses to net earned premium) and the expense ratio (the ratio of policy acquisition costs and other underwriting expenses, net of ceding commissions, to net earned premium). We calculate the GAAP combined ratio using financial data derived from our consolidated financial statements reported under accounting principles generally accepted in the United States of America (generally accepted accounting principles). Our insurance companies’ GAAP loss ratios, expense ratios and combined ratios are shown in the following table:
 
                                         
    2006     2005     2004     2003     2002  
 
Loss ratio
    59.2 %     67.1 %     63.8 %     66.1 %     60.8 %
Expense ratio
    25.0       26.1       26.7       24.6       25.5  
                                         
Combined ratio — GAAP
    84.2 %     93.2 %     90.5 %     90.7 %     86.3 %
                                         
 
Combined Ratio — Statutory
 
The statutory combined ratio is a combination of the loss ratio (the ratio of incurred losses and loss adjustment expenses to net earned premium) and the expense ratio (the ratio of policy acquisition costs and other underwriting expenses, net of ceding commissions, to net written premium). We calculate the statutory combined ratio using financial data derived from the combined financial statements of our insurance company subsidiaries reported in accordance with statutory accounting principles. Our insurance companies’ statutory loss ratios, expense ratios and combined ratios are shown in the following table:
 
                                         
    2006     2005     2004     2003     2002  
 
Loss ratio
    60.0 %     67.1 %     64.3 %     66.8 %     62.0 %
Expense ratio
    24.0       25.5       26.7       23.0       23.9  
                                         
Combined ratio — Statutory
    84.0 %     92.6 %     91.0 %     89.8 %     85.9 %
                                         
Industry average
    *       100.7 %     98.3 %     100.1 %     107.5 %
 
 
 *  Not available
 
The statutory ratio data is not intended to be a substitute for results of operations in accordance with generally accepted accounting principles. We believe including this information is useful to allow a comparison of our operating results with those of other companies in the insurance industry. The source of the industry average is A.M. Best Company, Inc. A.M. Best Company, Inc. reports insurer performance based on statutory financial data to provide more standardized comparisons among individual companies and to provide overall industry performance; this data is not an evaluation directed at investors.
 
Reserves
 
Our net loss and loss adjustment expense reserves are composed of reserves for reported losses and reserves for incurred but not reported losses, less a reduction for reinsurance recoverables related to those reserves. Reserves are recorded by product line and are undiscounted, except for reserves related to acquisitions.
 
The process of estimating our loss and loss adjustment expense reserves involves a considerable degree of judgment by management and is inherently uncertain. The recorded reserves represent management’s best estimate of unpaid loss and loss adjustment expense by line of business. Because we provide insurance coverage in specialized lines of business that often lack statistical stability, management considers many factors and not just actuarial point estimates in determining ultimate expected losses and the level of net reserves required and recorded.


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To record reserves on our lines of business, we utilize expected loss ratios, which management selects based on the following: 1) information used to price the applicable policies, 2) historical loss information where available, 3) any public industry data for that line or similar lines of business and 4) an assessment of current market conditions. Management also considers the point estimates and ranges calculated by our actuaries, together with input from our experienced underwriting and claims personnel. Because of the nature and complexities of the specialized types of business we insure, management may give greater weight to the expectations of our underwriting and claims personnel, who often perform a claim by claim review, rather than to the actuarial estimates. However, we utilize the actuarial point and range estimates to monitor the adequacy and reasonableness of our recorded reserves.
 
Each quarter-end, management compares recorded reserves to the most recent actuarial point estimate and range for each line of business. If the recorded reserves vary significantly from the actuarial point estimate, management determines the reasons for the variances and may adjust the reserves up or down to an amount that, in management’s judgment, is adequate based on all of the facts and circumstances considered, including the actuarial point estimates. We consistently maintain total consolidated net reserves above the total actuarial point estimate but within the actuarial range.
 
Our actuaries utilize standard actuarial techniques in making their actuarial point estimates. These techniques require a high degree of judgment, and changing conditions can cause fluctuations in the reserve estimates. We believe that our review process is effective, such that any required changes are recognized in the period of change as soon as the need for the change is evident. Reinsurance recoverables offset our gross reserves based upon the contractual terms of our reinsurance agreements.
 
With the exception of 2004, our net reserves historically have shown positive development except for the effects of losses from commutations, which we have completed in the past and may negotiate in the future. Commutations can produce negative prior year development since, under generally accepted accounting principles, any excess of undiscounted reserves assumed over assets received must be recorded as a loss at the time the commutation is completed. Economically, the loss generally represents the discount for the time value of money that will be earned over the payout of the reserves; thus, the loss may be recouped as investment income is earned on the assets received. Based on our reserving techniques and our past results, we believe that our net reserves are adequate.
 
The reserving process is intended to reflect the impact of inflation and other factors affecting loss payments by taking into account changes in historical payment patterns and perceived trends. There is no precise method for the subsequent evaluation of the adequacy of the consideration given to inflation, or to any other specific factor, or to the way one factor may impact another.
 
We underwrite primary and reinsurance risks that are denominated in a number of foreign currencies and, therefore, maintain loss reserves with respect to these policies in the respective currencies. These reserves are subject to exchange rate fluctuations, which may have an effect on our net earnings.
 
The loss development triangles below show changes in our reserves in subsequent years from the prior loss estimates, based on experience at the end of each succeeding year, on the basis of generally accepted accounting principles. The estimate is increased or decreased as more information becomes known about the frequency and severity of losses for individual years. A redundancy means the original estimate was higher than the current estimate; a deficiency means that the current estimate is higher than the original estimate.
 
The first line of each loss development triangle presents, for the years indicated, our gross or net reserve liability including the reserve for incurred but not reported losses. The first section of each table shows, by year, the cumulative amounts of loss and loss adjustment expense paid at the end of each succeeding year. The second section sets forth the re-estimates in later years of incurred losses, including payments, for the years indicated. The “cumulative redundancy (deficiency)” represents, at the date indicated, the difference between the latest re-estimated liability and the reserves as originally estimated.


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This loss development triangle shows development in loss reserves on a gross basis (in thousands):
 
                                                                                         
    2006     2005     2004     2003     2002     2001     2000     1999     1998     1997     1996  
 
Balance sheet reserves
  $ 3,097,051     $ 2,813,720     $ 2,089,199     $ 1,525,313     $ 1,158,915     $ 1,132,258     $ 944,117     $ 871,104     $ 460,511     $ 275,008     $ 229,049  
Reserve adjustments from acquisition and disposition of subsidiaries
                            5,587             (66,571 )     (32,437 )     (136 )            
                                                                                         
Adjusted reserves
    3,097,051       2,813,720       2,089,199       1,525,313       1,164,502       1,132,258       877,546       838,667       460,375       275,008       229,049  
Cumulative paid at:
                                                                                       
One year later
            689,126       511,766       396,077       418,809       390,232       400,279       424,379       229,746       160,324       119,453  
Two years later
                    780,130       587,349       548,941       612,129       537,354       561,246       367,512       209,724       179,117  
Three years later
                            772,095       659,568       726,805       667,326       611,239       419,209       241,523       193,872  
Four years later
                                    823,760       803,152       720,656       686,730       435,625       259,067       212,097  
Five years later
                                            921,920       758,126       721,011       453,691       262,838       223,701  
Six years later
                                                    835,994       725,639       462,565       267,038       225,595  
Seven years later
                                                            752,733       462,126       270,362       227,177  
Eight years later
                                                                    464,748       268,939       228,621  
Nine years later
                                                                            269,751       230,745  
Ten years later
                                                                                    232,169  
Re-estimated liability at:
                                                                                       
End of year
    3,097,051       2,813,720       2,089,199       1,525,313       1,164,502       1,132,258       877,546       838,667       460,375       275,008       229,049  
One year later
            2,810,419       2,118,471       1,641,426       1,287,003       1,109,098       922,080       836,775       550,409       308,501       252,236  
Two years later
                    2,112,303       1,666,931       1,393,143       1,241,261       925,922       868,438       545,955       316,250       249,013  
Three years later
                            1,690,729       1,464,448       1,384,608       1,099,657       854,987       547,179       304,281       250,817  
Four years later
                                    1,506,360       1,455,046       1,102,636       900,604       537,968       305,022       247,245  
Five years later
                                            1,480,193       1,135,143       887,272       522,183       295,975       249,853  
Six years later
                                                    1,137,652       894,307       521,399       296,816       243,015  
Seven years later
                                                            899,212       513,918       292,544       242,655  
Eight years later
                                                                    511,323       291,164       241,904  
Nine years later
                                                                            287,021       244,687  
Ten years later
                                                                                    242,651  
Cumulative redundancy (deficiency)
          $ 3,301     $ (23,104 )   $ (165,416 )   $ (341,858 )   $ (347,935 )   $ (260,106 )   $ (60,545 )   $ (50,948 )   $ (12,013 )   $ (13,602 )
 


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The gross deficiencies reflected in the above table for years 1998 through 2004 resulted from the following:
 
  •  During 2005 and 2004, we recorded $49.8 million and $127.7 million, respectively, in gross losses related to the 2001 and 2000 accident years on certain run-off assumed accident and health reinsurance business reported in our discontinued lines of business, due to our processing of additional information received and our continuing evaluation of reserves on this business. The recording of these losses also affected the 2003 and 2002 years in the above table.
 
  •  During 2005, we reduced our gross reserves on the 2004 hurricanes by $13.4 million to reflect current estimates of our remaining liabilities, which partially offset the 2005 adverse development discussed above.
 
  •  During 2003, we recorded $132.9 million in gross losses related to 1999 and 2000 accident years on certain run-off assumed accident and health reinsurance business reported in our discontinued lines of business, due to our processing of additional information received and our continuing evaluation of reserves on this business. The recording of these losses also affected the 2002 and 2001 years in the above table.
 
  •  The 2000 and 1999 years in the table were also negatively affected by late reporting loss information received during 2001 for certain discontinued business.
 
The gross development in 2004 resulted in a $30.5 million negative effect on our net losses. The remainder of the gross development discussed above did not have a material effect on our net losses because the majority of the gross losses were reinsured.
 
The gross reserves in the discontinued lines of business, particularly with respect to run-off assumed accident and health reinsurance business, produced substantial negative development from 2003 through 2005. This assumed accident and health reinsurance is primarily excess coverage for large losses related to workers’ compensation policies. Losses tend to develop and affect excess covers considerably after the original loss was incurred. Additionally, certain primary insurance companies that we reinsured have experienced financial difficulty and some of them are in liquidation, with guaranty funds now responsible for administering the business. Losses related to this business are historically late reporting. While we attempt to anticipate these conditions in setting our gross reserves, we have only been partially successful to date and there could be additional negative development in these reserves in the future. The gross losses that have developed negatively have been substantially reinsured and therefore have little effect on our net earnings.
 
The gross deficiencies reflected in the table for the years prior to 1999 resulted from two principal conditions:
 
  •  We had development of large claims on individual policies which were either reported late or for which reserves were increased as subsequent information became available. As these policies were substantially reinsured, there was no material effect on our net earnings.
 
  •  During 1999, in connection with the insolvency of one of the insurance companies that we reinsured and the commutation of all liabilities with another, we re-evaluated all loss reserves and incurred but not reported loss reserves related to business placed with these reinsurers to determine the ultimate losses we might conservatively expect. These reserves were then used as the basis for the determination of the provision for reinsurance recorded in 1999.


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The following table provides a reconciliation of the gross liability for loss and loss adjustment expense payable on the basis of generally accepted accounting principles (in thousands):
 
                         
    2006     2005     2004  
 
Reserves for loss and loss adjustment expense payable at beginning of year
  $ 2,813,720     $ 2,089,199     $ 1,525,313  
Reserve additions from acquired businesses
    146,811       19,236       15,537  
Incurred loss and loss adjustment expense:
                       
Provision for loss and loss adjustment expense for claims occurring in current year
    1,222,139       1,567,501       1,173,042  
Increase (decrease) in estimated loss and loss adjustment expense for claims occurring in prior years*
    (3,301 )     29,272       116,113  
                         
Incurred loss and loss adjustment expense
    1,218,838       1,596,773       1,289,155  
                         
Loss and loss adjustment expense payments for claims occurring during:
                       
Current year
    393,192       379,722       344,729  
Prior years
    689,126       511,766       396,077  
                         
Loss and loss adjustment expense payments
    1,082,318       891,488       740,806  
                         
Reserves for loss and loss adjustment expense payable at end of year
  $ 3,097,051     $ 2,813,720     $ 2,089,199  
                         
 
 
* Changes in loss and loss adjustment expense reserves for losses occurring in prior years reflect the gross effect of the resolution of losses for other than the reserve value and the subsequent adjustments of loss reserves.


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This loss development triangle shows development in loss reserves on a net basis (in thousands):
 
                                                                                         
    2006     2005     2004     2003     2002     2001     2000     1999     1998     1997     1996  
 
Reserves, net of reinsurance
  $ 2,108,961     $ 1,533,433     $ 1,059,283     $ 705,200     $ 458,702     $ 313,097     $ 249,872     $ 273,606     $ 118,912     $ 119,634     $ 117,283  
Reserve adjustments from acquisition (disposition) of subsidiaries
                            5,587             (6,048 )     (3,343 )     (410 )            
Effect on loss reserves of 1999 write off of reinsurance recoverables
                                                    63,851       15,008       2,636  
                                                                                         
Adjusted reserves, net of reinsurance
    2,108,961       1,533,433       1,059,283       705,200       464,289       313,097       243,824       270,263       182,353       134,642       119,919  
Cumulative paid, net of reinsurance, at:
                                                                                       
One year later
            222,336       172,224       141,677       115,669       126,019       102,244       145,993       56,052       48,775       47,874  
Two years later
                    195,663       135,623       152,674       131,244       139,659       174,534       103,580       64,213       66,030  
Three years later
                            124,522       115,214       163,808       118,894       185,744       113,762       80,227       72,863  
Four years later
                                    88,998       93,405       138,773       180,714       121,293       81,845       81,620  
Five years later
                                            59,936       158,935       197,416       120,452       84,986       81,968  
Six years later
                                                    137,561       200,833       127,254       87,626       82,681  
Seven years later
                                                            188,901       131,631       89,194       84,108  
Eight years later
                                                                    132,614       88,061       84,847  
Nine years later
                                                                            88,229       84,770  
Ten years later
                                                                                    85,253  
Re-estimated liability, net of reinsurance, at:
                                                                                       
End of year
    2,108,961       1,533,433       1,059,283       705,200       464,289       313,097       243,824       270,263       182,353       134,642       119,919  
One year later
            1,526,907       1,084,677       735,678       487,403       306,318       233,111       260,678       186,967       120,049       116,145  
Two years later
                    1,083,955       770,497       500,897       338,194       222,330       254,373       175,339       116,745       101,595  
Three years later
                            792,099       571,403       366,819       259,160       244,650       171,165       110,673       97,353  
Four years later
                                    585,741       418,781       267,651       258,122       163,349       107,138       95,118  
Five years later
                                            453,537       296,396       254,579       155,931       103,243       93,528  
Six years later
                                                    305,841       271,563       157,316       101,538       91,413  
Seven years later
                                                            277,841       156,376       99,872       90,951  
Eight years later
                                                                    155,016       97,965       90,534  
Nine years later
                                                                            96,205       90,011  
Ten years later
                                                                                    89,235  
Cumulative redundancy (deficiency)
          $ 6,526     $ (24,672 )   $ (86,899 )   $ (121,452 )   $ (140,440 )   $ (62,017 )   $ (7,578 )   $ 27,337     $ 38,437     $ 30,684  


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The table below provides a reconciliation of the liability for loss and loss adjustment expense payable, net of reinsurance ceded, on the basis of generally accepted accounting principles (in thousands):
 
                         
    2006     2005     2004  
 
Net reserves for loss and loss adjustment expense payable at beginning of year
  $ 1,533,433     $ 1,059,283     $ 705,200  
Net reserve additions from acquired businesses
    146,811       12,491       11,647  
Incurred loss and loss adjustment expense:
                       
Provision for loss and loss adjustment expense for claims occurring in current year
    1,018,382       894,303       614,752  
Increase (decrease) in estimated loss and loss adjustment expense for claims occurring in prior years *
    (6,526 )     25,394       30,478  
                         
Incurred loss and loss adjustment expense
    1,011,856       919,697       645,230  
                         
Loss and loss adjustment expense payments for claims occurring during:
                       
Current year
    360,803       285,814       161,117  
Prior years
    222,336       172,224       141,677  
                         
Loss and loss adjustment expense payments
    583,139       458,038       302,794  
                         
Net reserves for loss and loss adjustment expense payable at end of year
  $ 2,108,961     $ 1,533,433     $ 1,059,283  
                         
 
 
Changes in loss and loss adjustment expense reserves for losses occurring in prior years reflect the net effect of the resolution of losses for other than the reserve value and the subsequent adjustments of loss reserves.
 
We had net loss and loss adjustment expense adverse development (redundancy) relating to prior year losses of $(6.5) million in 2006, $25.4 million in 2005 and $30.5 million in 2004. The 2006 redundancy resulted from reductions of $17.7 million of prior year hurricane reserves plus $9.0 million redundancy primarily from our aviation and energy lines, partially offset by a commutation charge of $20.2 million, which primarily related to the 2001 accident years. The 2005 development resulted from a commutation charge of $26.0 million, which primarily related to the 2001 and 2000 accident years, and a net redundancy of $0.6 million from all other sources. In 2004, as a result of adverse development in run-off assumed accident and health reinsurance business in our discontinued lines of business, we strengthened our reserves on this line to bring them above our actuarial point estimate. Our 2004 deficiency included $27.3 million related to this charge, which primarily affected the 2001 and 2000 accident years, and we had a net deficiency of $3.2 million from all other sources. Deficiencies and redundancies in the reserves occur as we continually review our loss reserves with our actuaries, increasing or reducing loss reserves as a result of such reviews and as losses are finally settled and claims exposures are reduced. We believe we have provided for all material net incurred losses.
 
We have no material exposure to asbestos claims or environmental pollution losses. Our largest insurance company subsidiary only began writing business in 1981, and its policies normally contain pollution exclusion clauses which limit pollution coverage to “sudden and accidental” losses only, thus excluding intentional dumping and seepage claims. Policies issued by our other insurance company subsidiaries do not have significant environmental exposures because of the types of risks covered.
 
Enterprise Risk Management
 
We are in the process of formalizing an Enterprise Risk Management (ERM) strategy to manage risks appropriately throughout our organization. Within ERM, we are creating an event and risk repository for managing and maintaining our risk profile, so it remains current and supports a “no surprises” environment. ERM will ensure that our internal controls framework is effective in design and operation and aligned with


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our business risk. We are implementing processes and practices that will allow us to assess risks in a more transparent, structured and consistent manner and provide clarity to our risk response process, resulting in our improved management of risks. ERM will also identify potential opportunities for our business. To support our ERM objective, we have assigned the responsibility for implementation to an Executive Vice President and invested in professional expertise and technology. With ERM, we strive to implement superior risk management practices at all levels of the organization.
 
Regulation
 
The business of insurance is extensively regulated by the government. At this time, the insurance business in the United States is regulated primarily by the individual states. Additional federal regulation of the insurance industry may occur in the future.
 
Our business depends on our compliance with applicable laws and regulations and our ability to maintain valid licenses and approvals for our operations. We devote a significant effort toward obtaining and maintaining our licenses and compliance with a diverse and complex regulatory structure. In all jurisdictions, the applicable laws and regulations are subject to amendment or interpretation by regulatory authorities. Generally, regulatory authorities are vested with broad discretion to grant, renew and revoke licenses and approvals and to implement regulations governing the business and operations of insurers and insurance agents.
 
Insurance Companies
 
Our insurance companies are subject to regulation and supervision by the states and by other jurisdictions in which they do business. Regulation by the states varies, but generally involves regulatory and supervisory powers of a state insurance official. In the United States, the regulation and supervision of our insurance operations relates primarily to:
 
  •  approval of policy forms and premium rates;
 
  •  licensing of insurers and their agents;
 
  •  periodic examinations of our operations and finances;
 
  •  prescribing the form and content of records of financial condition required to be filed;
 
  •  requiring deposits for the benefit of policyholders;
 
  •  requiring certain methods of accounting;
 
  •  requiring reserves for unearned premium, losses and other purposes;
 
  •  restrictions on the ability of our insurance companies to pay dividends;
 
  •  restrictions on the nature, quality and concentration of investments;
 
  •  restrictions on transactions between insurance companies and their affiliates;
 
  •  restrictions on the size of risks insurable under a single policy; and
 
  •  standards of solvency, including risk-based capital measurement (which is a measure developed by the National Association of Insurance Commissioners and used by state insurance regulators to identify insurance companies that potentially are inadequately capitalized).
 
In the United States, state insurance regulations are intended primarily for the protection of policyholders rather than shareholders. The state insurance departments monitor compliance with regulations through periodic reporting procedures and examinations. The quarterly and annual financial reports to the state insurance regulators utilize accounting principles that are different from the generally accepted accounting principles we use in our reports to shareholders. Statutory accounting principles, in keeping with the intent to assure the protection of policyholders, are generally based on a liquidation concept, while generally accepted accounting principles are based on a going-concern concept.


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In the United States, state insurance regulators classify primary insurance companies and some individual lines of business as “admitted” (also known as “licensed”) insurance or “non-admitted” (also known as “surplus lines”) insurance. Surplus lines insurance is offered by non-admitted companies on risks that are not insured in the particular state by admitted companies. All surplus lines insurance is required to be written through licensed surplus lines insurance brokers, who are required to be knowledgeable of and to follow specific state laws prior to placing a risk with a surplus lines insurer. Our insurance companies offer products on both an admitted and surplus lines basis.
 
In the United Kingdom, the Financial Services Authority supervises all securities, banking and insurance businesses, including Lloyd’s of London. The Financial Services Authority oversees compliance with established periodic auditing and reporting requirements, risk assessment reviews, minimum solvency margins, dividend restrictions, restrictions governing the appointment of key officers, restrictions governing controlling ownership interests and various other requirements. All of our United Kingdom operations, including Houston Casualty Company-London, are authorized and regulated by the Financial Services Authority.
 
HCC Europe is domiciled in Spain and operates on the equivalent of an “admitted” basis throughout the European Union. HCC Europe’s primary regulator is the General Directorate of Insurance and Pension Funds of the Ministry of the Economy and Treasury (Dirección General de Seguros y Fondos de Pensiones del Ministerio de Economía y Hacienda).
 
U.S. state insurance regulations also affect the payment of dividends and other distributions by insurance companies to their shareholders. Generally, insurance companies are limited by these regulations in the payment of dividends above a specified level. Dividends in excess of those thresholds are “extraordinary dividends” and are subject to prior regulatory approval. Many states require prior regulatory approval for all dividends.
 
Underwriting Agencies and Reinsurance and Insurance Brokers
 
In addition to the regulation of insurance companies, the states impose licensing and other requirements on the underwriting agency and service operations of our other subsidiaries. These regulations relate primarily to:
 
  •  advertising and business practice rules;
 
  •  contractual requirements;
 
  •  financial security;
 
  •  licensing as agents, brokers, reinsurance brokers, managing general agents or third party administrators;
 
  •  limitations on authority; and
 
  •  recordkeeping requirements.
 
Statutory Accounting Principles
 
The principal differences between statutory accounting principles for our domestic insurance company subsidiaries and generally accepted accounting principles, the method by which we report our consolidated financial results to our shareholders, are as follows:
 
  •  a liability is recorded for certain reinsurance recoverables under statutory accounting principles whereas, under generally accepted accounting principles, there is no such provision unless the recoverables are deemed to be doubtful of collection;
 
  •  certain assets that are considered “non-admitted assets” are eliminated from a balance sheet prepared in accordance with statutory accounting principles but are included in a balance sheet prepared in accordance with generally accepted accounting principles;
 
  •  only some of the deferred tax asset is recognized under statutory accounting principles;


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  •  fixed income investments classified as available for sale are recorded at market value for generally accepted accounting principles and at amortized cost under statutory accounting principles;
 
  •  outstanding losses and unearned premium are reported on a gross basis under generally accepted accounting principles and on a net basis under statutory accounting principles; and
 
  •  under statutory accounting principles, policy acquisition costs are expensed as incurred and, under generally accepted accounting principles, such costs are deferred and amortized to expense as the related premium is earned.
 
Our international insurance company subsidiaries’ accounting principles are prescribed by regulatory authorities in each country. The prescribed principles do not vary significantly from generally accepted accounting principles.
 
Insurance Holding Company Acts
 
Because we are an insurance holding company, we are subject to the insurance holding company system regulatory requirements of a number of states. Under these regulations, we are required to report information regarding our capital structure, financial condition and management. We are also required to provide prior notice to, or seek the prior approval of, insurance regulatory authorities of certain agreements and transactions between our affiliated companies. These agreements and transactions must satisfy certain regulatory requirements.
 
Assessments
 
Many states require insurers licensed to do business in their state to bear a portion of the loss suffered by some insureds as a result of the insolvency of other insurers or to bear a portion of the cost of insurance for “high-risk” or otherwise uninsured individuals. Depending upon state law, insurers can be assessed an amount that is generally limited to between 1% and 2% of premiums written for the relevant lines of insurance in that state. Part of these payments may be recoverable through premium rates, premium tax credits or policy surcharges. Significant increases in assessments could limit the ability of our insurance subsidiaries to recover such assessments through tax credits or other means. In addition, there have been some legislative efforts to limit policy surcharges or repeal the tax offset provisions. We cannot predict the extent to which such assessments may increase or whether there may be limits imposed on our ability to recover or offset such assessments.
 
Insurance Regulations Concerning Change of Control
 
Many state insurance regulatory laws contain provisions that require advance approval by state agencies of any change of control of an insurance company that is domiciled or, in some cases, has substantial business in that state. “Control” is generally presumed to exist through the ownership of 10% or more of the voting securities of a domestic insurance company or of any company that controls a domestic insurance company. HCC owns, directly or indirectly, all of the shares of stock of insurance companies domiciled in a number of states. Any purchaser of shares of common stock representing 10% or more of the voting power of our common stock will be presumed to have acquired control of our domestic insurance subsidiaries unless, following application by that purchaser, the relevant state insurance regulators determine otherwise. Any transactions that would constitute a change in control of any of our individual insurance subsidiaries would generally require prior approval by the insurance departments of the states in which the insurance subsidiary is domiciled. Also, one of our insurance subsidiaries is domiciled in the United Kingdom and another in Spain. Insurers in those countries are also subject to change of control restrictions under their individual regulatory frameworks. These requirements may deter or delay possible significant transactions in our common stock or the disposition of our insurance companies to third parties, including transactions which could be beneficial to our shareholders.


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Risk-Based Capital
 
The National Association of Insurance Commissioners has developed a formula for analyzing insurance companies called risk-based capital. The risk-based capital formula is intended to establish minimum capital thresholds that vary with the size and mix of an insurance company’s business and assets. It is designed to identify companies with capital levels that may require regulatory attention. At December 31, 2006, each of our domestic insurance companies’ total adjusted capital was significantly in excess of the authorized control level risk-based capital.
 
Insurance Regulatory Information System
 
The National Association of Insurance Commissioners has developed a rating system, the Insurance Regulatory Information System, primarily intended to assist state insurance departments in overseeing the financial condition of all insurance companies operating within their respective states. The Insurance Regulatory Information System consists of eleven key financial ratios that address various aspects of each insurer’s financial condition and stability. Our insurance companies’ Insurance Regulatory Information System ratios generally fall within the usual prescribed ranges.
 
Terrorism Risk Insurance Act
 
The Federal Terrorism Risk Insurance Act was initially enacted in 2002, and subsequently extended through the end of 2007, for the purpose of ensuring the availability of insurance coverage for terrorist acts in the United States. The law establishes a financial backstop program to assist the commercial property and casualty insurance industry in providing coverage related to future acts of terrorism within the United States. It is unknown at this time whether or not the law will be extended beyond December 31, 2007 or on what terms. If it is not renewed, our current policies allow us to cancel the terrorism coverage in force at that time and we will no longer be required to offer the coverage.
 
Under the Act, we are required to offer terrorism coverage to our commercial policyholders in certain lines of business, for which we may, when warranted, charge an additional premium. The policyholders may or may not accept such coverage. This law also established a deductible that each insurer would have to meet before U.S. Federal reimbursement would occur. For 2007, our deductible is approximately $106.3 million. The Federal Government would provide reimbursement for 85% of any additional covered losses in 2007 up to the maximum amount set out in the Act.
 
Legislative Initiatives
 
In recent years, state legislatures have considered or enacted laws that modify and, in many cases, increase state authority to regulate insurance companies and insurance holding company systems. State insurance regulators are members of the National Association of Insurance Commissioners, which seeks to promote uniformity of and to enhance the state regulation of insurance. In addition, the National Association of Insurance Commissioners and state insurance regulators, as part of the National Association of Insurance Commissioners’ state insurance department accreditation program and in response to new federal laws, have re-examined existing state laws and regulations, specifically focusing on insurance company investments, issues relating to the solvency of insurance companies, licensing and market conduct issues, streamlining agent licensing and policy form approvals, adoption of privacy rules for handling policyholder information, interpretations of existing laws, the development of new laws and the definition of extraordinary dividends.
 
In recent years, a variety of measures have been proposed at the federal level to reform the current process of Federal and state regulation of the financial services industries in the United States, which include the banking, insurance and securities industries. These measures, which are often referred to as financial services modernization, have as a principal objective the elimination or modification of regulatory barriers to cross-industry combinations involving banks, securities firms and insurance companies. A form of financial services modernization legislation was enacted at the Federal level in 1999 through the Gramm-Leach-Bliley Act. That Federal legislation was expected to have significant implications on the banking, insurance and securities industries and to result in more cross-industry consolidations among banks, insurance companies


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and securities firms and increased competition in many of the areas of operations. Such wide-spread cross-industry consolidation has not occurred to date. It also mandated the adoption of laws allowing reciprocity among the states in the licensing of agents and, along with other Federal laws, mandated the adoption of laws and regulations dealing with the protection of the privacy of policyholder information. Also, the Federal Government has from time to time considered whether to impose overall federal regulation of insurers. If so, we believe state regulation of the insurance business would likely continue. This could result in an additional layer of federal regulation. In addition, some insurance industry trade groups are actively lobbying for legislation that would allow an option for a separate Federal charter for insurance companies. The full extent to which the Federal Government could decide to directly regulate the business of insurance has not been determined by lawmakers.
 
State regulators in many states have initiated or are participating in industry-wide investigations of sales and marketing practices in the insurance industry. Such investigations have resulted in restitution and settlement payments by some companies and criminal charges against some individuals. The investigations have led to changes in the structure of compensation arrangements, the offering of certain products and increased transparency in the marketing of many insurance products. We have cooperated fully with any such investigations and, based on presently available information, do not expect any adverse results from such investigations.
 
We do not know at this time the full extent to which these Federal or state legislative or regulatory initiatives will or may affect our operations and no assurance can be given that they would not, if adopted, have a material adverse effect on our business or our results of operations.
 
Employees
 
At December 31, 2006, we had 1,660 employees. Of this number, 929 are employed by our insurance companies, 471 are employed by our underwriting agencies, 99 are employed by our reinsurance and insurance brokers and 161 are employed at the corporate headquarters and elsewhere. We are not a party to any collective bargaining agreement and have not experienced work stoppages or strikes as a result of labor disputes. We consider our employee relations to be good.
 
Item 1A.  Risk Factors
 
Risks Relating to our Industry
 
Because we are a property and casualty insurer, our business may suffer as a result of unforeseen catastrophic losses.
 
Property and casualty insurers are subject to claims arising from catastrophes. Catastrophic losses have had a significant impact on our historical results. Catastrophes can be caused by various events, including hurricanes, tsunamis, windstorms, earthquakes, hailstorms, explosions, severe winter weather and fires and may include man-made events, such as terrorist attacks. The incidence, frequency and severity of catastrophes are inherently unpredictable. The extent of losses from a catastrophe is a function of both the total amount of insured exposure in the area affected by the event and the severity of the event. Insurance companies are not permitted to reserve for a catastrophe until it has occurred. Catastrophes can cause losses in a variety of our property and casualty lines, and most of our past catastrophe-related claims have resulted from hurricanes and earthquakes; however, we experienced a significant loss as a result of the September 11, 2001 terrorist attack. Most of our exposure to catastrophes comes from our London market account. Although we typically purchase reinsurance protection for risks we believe bear a significant level of catastrophe exposure, the nature or magnitude of losses attributed to a catastrophic event or events may result in losses that exceed our reinsurance protection. It is therefore possible that a catastrophic event or multiple catastrophic events could have a material adverse effect on our financial position, results of operations and liquidity.


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The insurance and reinsurance business is historically cyclical, and we expect to experience periods with excess underwriting capacity and unfavorable premium rates, which could cause our results to fluctuate.
 
The insurance and reinsurance business historically has been a cyclical industry characterized by periods of intense price competition due to excessive underwriting capacity, as well as periods when shortages of capacity permitted an increase in pricing and, thus, more favorable premium levels. An increase in premium levels is often, over time, offset by an increasing supply of insurance and reinsurance capacity, either by capital provided by new entrants or by the commitment of additional capital by existing insurers or reinsurers, which may cause prices to decrease. Any of these factors could lead to a significant reduction in premium rates, less favorable policy terms and fewer opportunities to underwrite insurance risks, which could have a material adverse effect on our results of operations and cash flows. In addition to these considerations, changes in the frequency and severity of losses suffered by insureds and insurers may affect the cycles of the insurance and reinsurance business significantly. These factors may also cause the price of our common stock to be volatile.
 
Our loss reserves are based on an estimate of our future liability, which may prove to be inadequate.
 
We maintain loss reserves to cover our estimated liability for unpaid losses and loss adjustment expenses, including legal and other fees as well as a portion of our general expenses, for reported and unreported claims incurred at the end of each accounting period. Reserves do not represent an exact calculation of liability. Rather, reserves represent an estimate of what we expect the ultimate settlement and administration of claims will cost. These estimates, which generally involve actuarial projections, are based on our assessment of facts and circumstances then known, as well as estimates of future trends in claims severity, frequency, judicial theories of liability and other factors. These variables are affected by both internal and external events, such as changes in claims handling procedures, inflation, judicial trends and legislative changes. Many of these items are not directly quantifiable in advance. Additionally, there may be a significant reporting delay between the occurrence of the insured event and the time it is reported to us. The inherent uncertainties of estimating reserves are greater for certain types of liabilities, particularly those in which the various considerations affecting the type of claim are subject to change and in which long periods of time may elapse before a definitive determination of liability is made. Reserve estimates are continually refined in a regular and ongoing process as experience develops and further claims are reported and settled. Adjustments to reserves are reflected in our results of operations in the periods in which such estimates are changed. Because setting reserves is inherently uncertain, there can be no assurance that current reserves will prove adequate in light of subsequent events. If actual claims prove to be greater than our reserves, our financial position, results of operations and liquidity may be adversely affected.
 
The effects of emerging claim and coverage issues on our business are uncertain.
 
As industry practices and legal, judicial, social and other environmental conditions change, unexpected and unintended issues related to claims and coverage may emerge. These issues may adversely affect our business by either extending coverage beyond our underwriting intent or by increasing the number or size of claims. In some instances, these changes may not become apparent until some time after we have issued insurance or reinsurance contracts that are affected by the changes. As a result, the full extent of liability under our insurance or reinsurance contracts may not be known for many years after a contract is issued and our financial position and results of operations may be adversely affected.
 
We are subject to extensive governmental regulation, which could adversely affect our business.
 
We are subject to extensive governmental regulation and supervision. Our business depends on compliance with applicable laws and regulations and our ability to maintain valid licenses and approvals for our operations. Most insurance regulations are designed to protect the interests of policyholders rather than shareholders and other investors. In the United States, this regulation is generally administered by departments of insurance in each state in which we do business and includes a comprehensive framework of oversight of our operations and review of our financial position. U.S. Federal legislation may lead to additional federal regulation of the insurance industry in the coming years. Also, foreign governments regulate our international


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operations. Each foreign jurisdiction has its own unique regulatory framework that applies to our operations in that jurisdiction. Regulatory authorities have broad discretion to grant, renew or revoke licenses and approvals. Regulatory authorities may deny or revoke licenses for various reasons, including the violation of regulations. In some instances, we follow practices based on our interpretations of regulations, or those we believe to be generally followed by the industry, which may be different from the requirements or interpretations of regulatory authorities. If we do not have the requisite licenses and approvals and do not comply with applicable regulatory requirements, the insurance regulatory authorities could preclude or temporarily suspend us from carrying on some or all of our activities or otherwise penalize us. That type of action could have a material adverse effect on our results of operations. Also, changes in the level of regulation of the insurance industry (whether federal, state or foreign), or changes in laws or regulations themselves or interpretations by regulatory authorities, could have a material adverse effect on our business. Virtually all states require insurers licensed to do business in that state to bear a portion of the loss suffered by some insureds as the result of impaired or insolvent insurance companies. The effect of these arrangements could adversely affect our results of operations.
 
Our reliance on brokers subjects us to their credit risk.
 
In accordance with industry practice, we generally pay amounts owed on claims under our insurance and reinsurance contracts to brokers, and these brokers, in turn, pay these amounts to the clients that have purchased insurance or reinsurance from us. Although the law is unsettled and depends upon the facts and circumstances of the particular case, in some jurisdictions, if a broker fails to make such a payment, we might remain liable to the insured or ceding insurer for the deficiency. Conversely, in certain jurisdictions, when the insured or ceding insurer pays premiums for these policies to brokers for payment over to us, these premiums might be considered to have been paid and the insured or ceding insurer will no longer be liable to us for those amounts, whether or not we have actually received the premiums from the broker. Consequently, we assume a degree of credit risk associated with brokers with whom we transact business. However, due to the unsettled and fact-specific nature of the law, we are unable to quantify our exposure to this risk. To date, we have not experienced any material losses related to these credit risks.
 
Risks Relating to our Business
 
Our inability to accurately assess underwriting risk could reduce our net income.
 
Our underwriting success is dependent on our ability to accurately assess the risks associated with the business on which the risk is retained. We rely on the experience of our underwriting staff in assessing these risks. If we fail to assess accurately the risks we retain, we may fail to establish appropriate premium rates and our reserves may be inadequate to cover our losses, which could reduce our net income. The underwriting process is further complicated by our exposure to unpredictable developments, including earthquakes,weather-related events and other natural catastrophes, as well as war and acts of terrorism.
 
Our increased retentions in various lines of business expose us to a greater portion of potential losses.
 
Over the past few years, we have significantly increased our retentions, or the part of the risk we retain for our own account, in a number of the lines of business underwritten by our insurance companies. The determination to reduce the amount of reinsurance we purchase or not to purchase reinsurance for a particular risk or line of business is based on a variety of factors including market conditions, pricing, availability of reinsurance, the level of our capital and loss history. Such determinations have the effect of increasing our financial exposure to losses associated with such risks or in the subject line of business and could have a material adverse effect on our financial position, results of operations and cash flows in the event of significant losses associated with such risks or lines of business.


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If we are unable to purchase adequate reinsurance protection for some of the risks we have underwritten, we will be exposed to any resulting losses.
 
We purchase reinsurance for a portion of the risks underwritten by our insurance companies, especially volatile and catastrophe-exposed risks. Market conditions beyond our control determine the availability and cost of the reinsurance protection we purchase. In addition, the historical results of reinsurance programs and the availability of capital also affect the availability of reinsurance. Our reinsurance facilities are generally subject to annual renewal. We cannot assure that we can maintain our current reinsurance facilities or that we can obtain other reinsurance facilities in adequate amounts and at favorable rates. Further, we cannot determine what effect catastrophic losses will have on the reinsurance market in general and on our ability to obtain reinsurance in adequate amounts and at favorable rates in particular. If we are unable to renew or to obtain new reinsurance facilities, either our net exposures would increase or, if we are unwilling to bear such an increase, we would have to reduce the level of our underwriting commitments, especially in catastrophe-exposed risks. Either of these potential developments could have a material adverse effect on our financial position, results of operations and cash flows. The lack of available reinsurance may also adversely affect our ability to generate fee and commission income in our underwriting agency and reinsurance broker operations.
 
If the companies that provide our reinsurance do not pay all of our claims, we could incur severe losses.
 
We purchase reinsurance by transferring, or ceding, part of the risk we have assumed as a primary insurer to a reinsurance company in exchange for part of the premium we receive in connection with the risk. Through reinsurance, we have the contractual right to collect the amount above our retention from our reinsurers. Although reinsurance makes the reinsurer liable to us to the extent the risk is transferred or ceded to the reinsurer, it does not relieve us, the reinsured, of our full liability to our policyholders. Accordingly, we bear credit risk with respect to our reinsurers. We cannot assure you that our reinsurers will pay all of our reinsurance claims, or that they will pay our claims on a timely basis. Additionally, catastrophic losses from multiple primary insurers may accumulate within the more concentrated reinsurance market and result in claims which adversely impact the financial condition of such reinsurers and thus their ability to pay such claims. If we become liable for risks we have ceded to reinsurers or if our reinsurers cease to meet their obligations to us, whether because they are in a weakened financial position as a result of incurred losses or otherwise, our financial position, results of operations and cash flows could be materially adversely affected.
 
As a primary insurer, we may have significant exposure for terrorist acts.
 
To the extent that reinsurers have excluded coverage for terrorist acts or have priced such coverage at rates that we believe are not practical, we, in our capacity as a primary insurer, do not have reinsurance protection and are exposed for potential losses as a result of any terrorist acts. To the extent an act of terrorism is certified by the Secretary of Treasury, we may be covered under The Terrorism Risk Insurance Act, originally enacted in 2002 and subsequently extended, for up to 85% of our losses in 2007. However, any such coverage would be subject to a mandatory deductible. Our deductible under the Act during 2007 is $106.3 million. If the Act is not extended beyond its currently stated termination date of December 31, 2007 or replaced by a similar program, our liability for terrorist acts could be a material amount.
 
We may be unsuccessful in competing against larger or more well established business rivals.
 
In our specialty insurance operations, we compete in narrowly-defined niche classes of business such as the insurance of private aircraft (aviation), directors’ and officers’ liability (diversified financial products), employer sponsored, self-insured medical plans (medical stop-loss), professional indemnity (diversified financial products) and surety (diversified financial products), as distinguished from such general lines of business as automobile or homeowners insurance. We compete with a large number of other companies in our selected lines of business, including: Lloyd’s, ACE and XL in our London market business; American International Group and U.S. Aviation Insurance Group (a subsidiary of Berkshire Hathaway, Inc.) in our aviation line of business; United Health, Symetra Financial Corp. and Hartford Life in our group life, accident and health business; and American International Group, The Chubb Corporation, ACE, St. Paul Travelers and XL in our diversified financial products business. We face competition from specialty insurance companies,


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underwriting agencies and reinsurance brokers, as well as from diversified financial services companies that are larger than we are and that have greater financial, marketing and other resources than we do. Some of these competitors also have longer experience and more market recognition than we do in certain lines of business. In addition to competition in the operation of our business, we face competition from a variety of sources in attracting and retaining qualified employees. We cannot assure you that we will maintain our current competitive position in the markets in which we operate, or that we will be able to expand our operations into new markets. If we fail to do so, our results of operations and cash flows could be materially adversely affected.
 
If rating agencies downgrade our financial strength ratings, our business and competitive position in the industry may suffer.
 
Ratings have become an increasingly important factor in establishing the competitive position of insurance companies. Our insurance companies are rated by Standard & Poor’s Corporation, Fitch Ratings and A.M. Best Company, Inc. whose financial strength ratings reflect their opinions of an insurance company’s and insurance holding company’s financial strength, operating performance, strategic position and ability to meet its obligations to policyholders and are not evaluations directed to investors. Our ratings are subject to periodic review by those entities and the continuation of those ratings cannot be assured. If our ratings are reduced from their current levels, our financial position and results of operations could be adversely affected.
 
We may require additional capital in the future, which may not be available or may only be available on unfavorable terms.
 
Our future capital requirements depend on many factors, including our ability to write new business successfully and to establish premium rates and reserves at levels sufficient to cover losses. We may need to raise additional funds through financings or curtail our growth and reduce our assets. Any equity or debt financing, if available at all, may be on terms that are not favorable to us. In the case of equity financings, dilution to our shareholders could result and, in any case, such securities may have rights, preferences and privileges that are senior to those of our common stock. If we cannot obtain adequate capital on favorable terms or at all, our business, results of operations and liquidity could be adversely affected.
 
As a result of the delayed filing of our Quarterly Reports on Form 10-Q for the second and third quarters of 2006, we are ineligible to register our securities on Form S-3 or use our previously filed shelf registration statement for one year after December 27, 2006, the date these reports were filed with the SEC. We may use Form S-1 to raise capital and borrow money utilizing public debt or to complete acquisitions of other companies, which could increase transaction costs and adversely impact our ability to raise capital and borrow money or complete acquisitions in a timely manner.
 
Standard & Poor’s Corporation, Fitch Ratings and A.M. Best Company rate our credit strength. If our credit ratings are reduced, it might significantly impede our ability to raise capital and borrow money.
 
We may be unable to attract and retain qualified employees.
 
We depend on our ability to attract and retain experienced underwriting talent and other skilled employees who are knowledgeable about our business. Certain of our senior underwriters and other skilled employees have employment agreements that are for definite terms, and there is no assurance we will retain these employees beyond the current terms of their agreements. If the quality of our underwriting team and other personnel decreases, we may be unable to maintain our current competitive position in the specialized markets in which we operate and be unable to expand our operations into new markets, which could adversely affect our business.
 
We invest a significant amount of our assets in fixed income securities that have experienced market fluctuations, which may greatly reduce the value of our investment portfolio.
 
At December 31, 2006, $3.0 billion of our $3.9 billion investment portfolio was invested in fixed income securities. The fair value of these fixed income securities and the related investment income fluctuate


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depending on general economic and market conditions. With respect to our investments in fixed income securities, the fair value of these investments generally increases or decreases in an inverse relationship with fluctuations in interest rates, while net investment income realized by us from future investments in fixed income securities will generally increase or decrease with interest rates. In addition, actual net investment income and/or cash flows from investments that carry prepayment risk (such as mortgage-backed and other asset-backed securities) may differ from those anticipated at the time of investment as a result of interest rate fluctuations. An investment has prepayment risk when there is a risk that the timing of cash flows that result from the repayment of principal might occur earlier than anticipated because of declining interest rates or later than anticipated because of rising interest rates. Although we maintain an investment grade portfolio (98% are rated “A” or better), our fixed income securities are also subject to credit risk. If any of the issuers of our fixed income securities suffer financial setbacks, the ratings on the fixed income securities could fall (with a concurrent fall in fair value) and, in a worst case scenario, the issuer could default on its financial obligations. Historically, the impact of market fluctuations has affected our financial statements. Because all of our fixed income securities are classified as available for sale, changes in the fair value of our securities are reflected in our other comprehensive income. Similar treatment is not available for liabilities. Therefore, interest rate fluctuations could adversely affect our financial position. Unrealized pre-tax net investment gains (losses) on investments in fixed income securities were $6.9 million in 2006, $(29.3) million in 2005 and $(9.3) million in 2004.
 
Our strategy of acquiring other companies for growth may not succeed.
 
Our strategy for growth includes growing through acquisitions of insurance industry related companies. This strategy presents risks that could have a material adverse effect on our business and financial performance, including: 1) the diversion of our management’s attention, 2) our ability to assimilate the operations and personnel of the acquired companies, 3) the contingent and latent risks associated with the past operations of, and other unanticipated problems arising in, the acquired companies, 4) the need to expand management, administration and operational systems and 5) increased competition for suitable acquisition opportunities and qualified employees. We cannot predict whether we will be able to acquire additional companies on terms favorable to us or if we will be able to successfully integrate the acquired operations into our business. We do not know if we will realize any anticipated benefits of completed acquisitions or if there will be substantial unanticipated costs associated with new acquisitions. In addition, future acquisitions by us may result in potentially dilutive issuances of our equity securities, the incurrence of additional debt and/or the recognition of potential impairment of goodwill and other intangible assets. Each of these factors could adversely affect our financial position and results of operations. Moreover, our ability to use equity securities or to incur additional debt for acquisitions may be negatively affected by our inability to use Form S-3 or our previously filed shelf registration for one year after December 27, 2006.
 
We are an insurance holding company and, therefore, may not be able to receive dividends in needed amounts from our subsidiaries.
 
Historically, we have had sufficient cash flow from our non-insurance company subsidiaries to meet our corporate cash flow requirements for paying principal and interest on outstanding debt obligations, dividends to shareholders and corporate expenses. However, in the future we may rely on dividends from our insurance companies to meet these requirements. The payment of dividends by our insurance companies is subject to regulatory restrictions and will depend on the surplus and future earnings of these subsidiaries, as well as the regulatory restrictions. As a result, should our other sources of funds prove to be inadequate, we may not be able to receive dividends from our insurance companies at times and in amounts necessary to meet our obligations, which could adversely affect our financial position and liquidity.
 
Because we operate internationally, fluctuations in currency exchange rates may affect our receivable and payable balances and our reserves.
 
We underwrite insurance coverages that are denominated in a number of foreign currencies, and we establish and maintain our loss reserves with respect to these policies in their respective currencies. Our net


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earnings could be adversely affected by exchange rate fluctuations, which would adversely affect receivable and payable balances and reserves. Our principal area of exposure relates to fluctuations in exchange rates between the major European currencies (particularly the British pound sterling and the Euro) and the U.S. dollar. Consequently, a change in the exchange rate between the U.S. dollar and the British pound sterling or the Euro could have an adverse effect on our results of operations.
 
Our information technology systems may fail or suffer a loss of security, which could adversely affect our business.
 
Our business is highly dependent upon the successful and uninterrupted functioning of our computer and data processing systems. We rely on these systems to perform actuarial and other modeling functions necessary for writing business, as well as to process and make claims payments. We have a highly trained staff that is committed to the development and maintenance of these systems. However, the failure of these systems could interrupt our operations. This could result in a material adverse effect on our business results.
 
In addition, a security breach of our computer systems could damage our reputation or result in liability. We retain confidential information regarding our business dealings in our computer systems. We may be required to spend significant capital and other resources to protect against security breaches or to alleviate problems caused by such breaches. It is critical that these facilities and infrastructure remain secure. Despite the implementation of security measures, this infrastructure may be vulnerable to physical break-ins, computer viruses, programming errors, attacks by third parties or similar disruptive problems. In addition, we could be subject to liability if hackers were able to penetrate our network security or otherwise misappropriate confidential information.
 
We are exposed to goodwill impairment risk as part of our business acquisition strategy.
 
We have recorded goodwill in connection with the majority of our business acquisitions. We are required to perform goodwill impairment tests at least annually and whenever events or circumstances indicate that the carrying value may not be recoverable from estimated future cash flows. As a result of our annual and other periodic evaluations, we may determine that a portion of the goodwill carrying value needs to be written down to fair value, which could adversely affect our financial position and results of operations.
 
The SEC’s informal inquiry related to our stock option granting procedures is ongoing, and the scope and outcome could have a negative impact on the price of our securities and on our business.
 
In connection with a voluntary independent investigation by a Special Committee of the Board of Directors of our past practices related to granting stock options, the SEC commenced an informal inquiry into our option pricing practices. We have provided the results of our internal review and independent investigation to the SEC, and we have responded to informal requests for documents and additional information. We intend to fully cooperate with the SEC. We are unable to predict the outcome of the informal inquiry, but it may result in additional professional fees, including our advancement of attorneys’ fees incurred by our Directors, certain officers and certain former executives and Directors; may continue to occupy the time and attention of our management team; could have a material adverse impact on our stock price, including increased stock price volatility; and could negatively impact our business and our ability to raise and borrow additional funds in the future. Furthermore, if we are subject to adverse findings in this or any other regulatory proceeding or governmental enforcement action, we could be required to pay damages and penalties or have other remedies imposed, which could harm our business, financial condition, results of operations and cash flows.
 
The matters relating to the Special Committee of the Board of Directors’ investigation of our historical stock option granting practices and the restatement of our consolidated financial statements have resulted in our being named as a party in two derivative legal actions and may result in future litigation, which could harm our business and financial condition.
 
As a result of the Special Committee’s voluntary independent investigation of our historical stock option granting practices, we had to record non-cash compensation expense in each year from 1997 through 2006. To


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correct these accounting errors, we restated our consolidated financial statements for the applicable periods and filed our Annual Report on Form 10-K/A for 2005 and our Quarterly Report on Form 10-Q/A for the first quarter of 2006. The investigation and restatements have exposed us to greater risks associated with litigation. Publicity resulting from these actions may materially adversely affect us, regardless of the cause or effect of the actions. Since December 31, 2006, two derivative actions have been filed naming a number of current and former officers and Directors as defendants. The Company is a nominal defendant. We cannot assure you about the outcome of these two derivative lawsuits or any future litigation. The conduct and resolution of litigation could be time consuming, expensive, cause us to have to pay legal expenses in certain instances to current and former officers and Directors, and may distract management from the conduct of our business. In addition, damages and other remedies awarded in any such litigation could harm our business and financial condition.
 
The loss of our Founder, Stephen L. Way, as a Director, Chairman of the Board and Chief Executive Officer could weaken our strategic leadership and may have a material adverse effect on our business and development.
 
Since our founding, Stephen L. Way’s leadership and strategic direction have been critical elements to our success. On November 17, 2006, Mr. Way resigned as Chief Executive Officer and on February 20, 2007, he resigned as a Director and Chairman of the Board. Although our executive officers have experience in the insurance industry, they do not have the same breadth of experience as Mr. Way in providing the strategic direction for our future growth and development. As a result, the loss of Mr. Way’s services as a Director, Chairman of the Board and Chief Executive Officer could weaken our strategic leadership and may have a material adverse effect on our business and continuing development.
 
We may not be able to delay or prevent an inadequate or coercive offer for change in control and regulatory rules and required approvals might delay or deter a favorable change of control.
 
Our certificate of incorporation and bylaws do not have provisions that could make it more difficult for a third party to acquire a majority of our outstanding common stock. As a result, we may be more susceptible to an inadequate or coercive offer that could result in a change in control than a company whose charter documents have provisions that could delay or prevent a change in control.
 
Many state insurance regulatory laws contain provisions that require advance approval by state agencies of any change of control of an insurance company that is domiciled or, in some cases, has substantial business in that state. “Control” is generally presumed to exist through the ownership of 10% or more of the voting securities of a domestic insurance company or of any company that controls a domestic insurance company. We own, directly or indirectly, all of the shares of stock of insurance companies domiciled in a number of states. Any purchaser of shares of common stock representing 10% or more of the voting power of our common stock will be presumed to have acquired control of our domestic insurance subsidiaries unless, following application by that purchaser, the relevant state insurance regulators determine otherwise. Any transactions that would constitute a change in control of any of our individual insurance subsidiaries would generally require prior approval by the insurance departments of the states in which the insurance subsidiary is domiciled. Also, one of our insurance subsidiaries is domiciled in the United Kingdom and another in Spain. Insurers in those countries are also subject to change of control restrictions under their individual regulatory frameworks. These requirements may deter or delay possible significant transactions in our common stock or the disposition of our insurance companies to third parties, including transactions that could be beneficial to our shareholders.
 
Item 1B.   Unresolved Staff Comments
 
None.


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Item 2.   Properties
 
Our principal and executive offices are located in Houston, Texas, in buildings owned by Houston Casualty Company. We also maintain offices in 50 locations elsewhere in the United States, the United Kingdom, Spain, Bermuda and Ireland. The majority of these additional locations are in leased facilities. We are not dependent on our facilities to conduct business and such office space is suitable for the conduct of our business.
 
Our principal office facilities are as follows:
 
                 
Subsidiary
 
Location
  Sq. Ft.     Termination Date of Lease
 
Houston Casualty Company
  Houston, Texas     77,000     Owned
HCC and Houston Casualty Company
  Houston, Texas     51,000     Owned
Professional Indemnity Agency
  Mount Kisco, New York     38,000     Owned
HCC Life Insurance Company
  Atlanta, Georgia     31,000     December 31, 2011
U.S. Specialty Insurance Company Aviation Division
  Dallas, Texas     28,000     August 31, 2013
HCC Specialty Underwriters
  Wakefield, Massachusetts     28,000     December 31, 2010
G. B. Kenrick & Associates, Inc. 
  Auburn Hills, Michigan     27,000     May 31, 2012
HCC Surety Group
  Los Angeles, California     26,000     May 31, 2009
Health Products Division
  Minneapolis, Minnesota     25,000     September 30, 2012
HCC International and
Rattner MacKenzie
  London, England     17,000     December 24, 2015
 
See also Note 12 to our Consolidated Financial Statements included in this Form 10-K.
 
Item 3.   Legal Proceedings
 
Based on a voluntary independent investigation by a Special Committee of the Board of Directors in 2006 of our past practices related to granting stock options, we determined that the price on the actual measurement date for a number of our stock option grants from 1997 through 2005 and into 2006 did not correspond to the price on the stated grant date and that certain option grants were retroactively priced. The investigation was conducted with the help of a law firm that was not previously involved with our stock option plans and procedures. The Special Committee completed the investigation on November 16, 2006 and took specific actions as a result thereof. The Securities and Exchange Commission (SEC) had previously commenced an informal inquiry upon notification by us of the initiation of our investigation. In connection with its inquiry, we received document requests from the SEC and the SEC is reviewing the work of the independent investigation. We intend to fully cooperate with the SEC. We are unable to predict the outcome of or the future costs related to the informal inquiry.
 
We are party to lawsuits, arbitrations and other proceedings that arise in the normal course of our business. Many of such lawsuits, arbitrations and other proceedings involve claims under policies that we underwrite as an insurer or reinsurer, the liabilities for which, we believe, have been adequately included in our loss reserves. Also, from time to time, we are a party to lawsuits, arbitrations and other proceedings that relate to disputes over contractual relationships with third parties, or that involve alleged errors and omissions on the part of our subsidiaries. We have provided accruals for these items to the extent we deem the losses probable and reasonably estimable.
 
Although the ultimate outcome of the above matters cannot be determined at this time, based on present information, the availability of insurance coverage and advice received from our outside legal counsel, we believe the resolution of these matters will not have a material adverse effect on our consolidated financial position, results of operations or cash flows.


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The following lawsuits related to the outcome of the stock option investigation have recently been filed:
 
Civil Action No. 07-456; Bacas, derivatively on behalf of HCC Insurance Holdings, Inc. (HCC) v. Way et al.; In the United States District Court for the Southern District of Texas, Houston Division.  The action was filed on February 1, 2007. HCC is named as a nominal defendant in this putative derivative action. The action purports to assert claims on behalf of HCC against several current and former officers and Directors alleging improper manipulation of grant dates for option grants from 1995 through 2006. The complaint purports to allege causes of action for accounting, breach of fiduciary duty, aiding and abetting breach of fiduciary duty, abuse of control, gross mismanagement, imposition of a constructive fraud, corporate waste, unjust enrichment and rescission, as well as a claim under Section 14(a) of the Securities Exchange Act. Plaintiff seeks on behalf of HCC, damages, punitive damages, disgorgement, restitution, rescission, accounting, imposition of a constructive trust and changes in HCC’s corporate governance and internal controls, as well as attorneys’ fees and costs. HCC has not yet responded to the complaint.
 
Civil Action No. 07-550; International Brotherhood of Electrical Workers Local 98 Pension Fund, derivatively on behalf of nominal defendant HCC Insurance Holdings, Inc. v. Way et al.; In the United States District Court for the Southern District of Texas, Houston Division.  The action was filed on February 8, 2007. HCC is named as a nominal defendant in this putative derivative action. Plaintiff alleges claims against current and former Directors of HCC alleging improper manipulation of grant dates for option grants for the period from 1997 through 2006. The complaint alleges that defendants violated HCC’s shareholder-approved stock option plans, improperly accounted for allegedly backdated stock options, took improper tax deductions based on allegedly backdated stock options, issued false financial statements and improperly exercised previously backdated options. The complaint purports to allege causes of action for breach of fiduciary duty, unjust enrichment, abuse of control, gross mismanagement, constructive fraud, corporate waste, disgorgement, rescission and imposition of a constructive trust, as well as claims under Sections 14(a) and 10(b) of the Securities Exchange Act. Plaintiff seeks, on behalf of HCC, damages, punitive damages, disgorgement, restitution, rescission, accounting, imposition of a constructive trust and changes in HCC’s corporate governance and internal controls as well as attorneys’ fees and costs. HCC has not yet responded to the complaint.
 
Item 4.   Submission of Matters to a Vote of Security Holders
 
There were no matters submitted to a vote of security holders during the fourth quarter of 2006.


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PART II
 
Item 5.   Market For The Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
 
Price Range of Common Stock
 
Our common stock trades on the New York Stock Exchange under the ticker symbol “HCC”.
 
The intra-day high and low sales prices for quarterly periods from January 1, 2004 through December 31, 2006, as reported by the New York Stock Exchange, were as follows:
 
                                                 
    2006     2005     2004  
    High     Low     High     Low     High     Low  
 
First quarter
  $ 34.89     $ 29.25     $ 26.17     $ 21.31     $ 23.17     $ 20.01  
Second quarter
    34.92       28.51       26.96       23.05       22.93       20.30  
Third quarter
    33.99       28.82       28.89       25.11       22.39       19.23  
Fourth quarter
    35.15       28.81       32.95       26.91       22.83       18.35  
 
On February 23, 2007, the last reported sales price of our common stock as reported by the New York Stock Exchange was $32.23 per share.
 
Shareholders
 
We have one class of authorized capital stock: 250.0 million shares of common stock, par value $1.00 per share. On February 16, 2007, there were 111.9 million shares of issued and outstanding common stock held by 822 shareholders of record; however, we estimate there are approximately 62,000 beneficial owners.
 
Dividend Policy
 
Cash dividends declared on a quarterly basis for the three years ended December 31, 2006 were as follows:
                         
    2006     2005     2004  
 
First quarter
  $ .075     $ .057     $ .050  
Second quarter
    .100       .075       .050  
Third quarter
    .100       .075       .057  
Fourth quarter
    .100       .075       .057  
 
Beginning in June 1996, we announced a planned quarterly program of paying cash dividends to shareholders. Our Board of Directors may review our dividend policy from time to time and any determination with respect to future dividends will be made in light of regulatory and other conditions at that time, including our earnings, financial condition, capital requirements, loan covenants and other related factors. Under the terms of our bank loan facility, we are prohibited from paying dividends in excess of an agreed upon maximum amount in any year. That limitation should not affect our ability to pay dividends in a manner consistent with our past practice and current expectations.
 
Securities Authorized for Issuance Under Equity Compensation Plans
 
The following table sets forth information as of December 31, 2006, with respect to equity compensation plans approved by shareholders under which HCC’s common stock is authorized for issuance (shares in thousands). All outstanding stock options have been issued under plans approved by shareholders.
 
                         
                Number of
 
    Number of
          common shares
 
    common shares
    Weighted
    available for
 
    to be issued
    average
    future issuance
 
    upon exercise
    exercise price
    under equity
 
    of outstanding
    of outstanding
    compensation
 
Plan Category   stock options     stock options     plans  
   
 
Equity compensation plans approved by shareholders
    7,181     $ 22.23       4,412  


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Performance Graph
 
The following graph shows a comparison of cumulative total returns for an investment of $100.00 made on December 31, 2001 in the common stock of HCC Insurance Holdings, Inc., the Standard & Poor’s 1500 Super Composite Index and the Standard & Poor’s Midcap 400 Index. The graph assumes that all dividends were reinvested.
 
COMPARISON OF CUMULATIVE FIVE YEAR TOTAL RETURN
 
(PERFORMANCE GRAPH)
 
Total Return to Shareholders
(Includes reinvestment of dividends)
 
                                                             
Company/Index     2001     2002     2003     2004     2005     2006
HCC Insurance Holdings, Inc. 
    $ 100.00       $ 90.18       $ 117.71       $ 123.82       $ 168.59       $ 184.42  
S&P 1500 Super Composite Index
      100.00         78.69         101.97         113.98         120.43         138.90  
S&P Midcap 400 Index
      100.00         85.49         115.94         135.05         152.00         167.69  
                                                             


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Item 6.   Selected Financial Data
 
The selected consolidated financial data set forth below has been derived from the Consolidated Financial Statements. All information contained herein should be read in conjunction with the Consolidated Financial Statements, the related Notes thereto and Management’s Discussion and Analysis of Financial Condition and Results of Operations included elsewhere in this Report.
 
                                         
    Years Ended December 31,  
    2006     2005     2004     2003     2002  
    (in thousands, except per share data) (1)  
 
Statement of earnings data:
                                       
Revenue
                                       
Net earned premium
  $ 1,709,189     $ 1,369,988     $ 1,010,692     $ 738,272     $ 505,521  
Fee and commission income
    137,131       132,628       183,802       142,615       116,090  
Net investment income
    152,804       98,851       64,885       47,335       37,755  
Net realized investment gain (loss)
    (841 )     1,448       5,822       527       453  
Other operating income
    77,012       39,773       19,406       13,215       6,985  
                                         
Total revenue
    2,075,295       1,642,688       1,284,607       941,964       666,804  
                                         
Expense
                                       
Loss and loss adjustment expense, net
    1,011,856       919,697       645,230       488,000       307,143  
Policy acquisition costs, net
    319,885       261,708       222,323       137,212       99,521  
Other operating expense
    222,324       180,990       168,045       144,574       101,513  
Interest expense
    11,396       7,684       8,374       7,453       8,301  
                                         
Total expense
    1,565,461       1,370,079       1,043,972       777,239       516,478  
                                         
Earnings from continuing operations before income tax expense
    509,834       272,609       240,635       164,725       150,326  
Income tax expense on continuing operations
    167,549       84,177       81,940       59,382       52,372  
                                         
Earnings from continuing operations
    342,285       188,432       158,695       105,343       97,954  
Earnings from discontinued operations, net of income taxes(2)
          2,760       4,004       36,684       6,365  
                                         
Net earnings
  $ 342,285     $ 191,192     $ 162,699     $ 142,027     $ 104,319  
                                         
Basic earnings per share data:
                                       
Earnings from continuing operations
  $ 3.08     $ 1.78     $ 1.63     $ 1.11     $ 1.05  
Earnings from discontinued operations(2)
          0.03       0.04       0.39       0.07  
                                         
Net earnings
  $ 3.08     $ 1.81     $ 1.67     $ 1.50     $ 1.12  
                                         
Weighted average shares outstanding
    111,309       105,463       97,257       94,919       93,338  
                                         
Diluted earnings per share data:
                                       
Earnings from continuing operations
  $ 2.93     $ 1.72     $ 1.61     $ 1.09     $ 1.04  
Earnings from discontinued operations(2)
          0.03       0.04       0.38       0.07  
                                         
Net earnings
  $ 2.93     $ 1.75     $ 1.65     $ 1.47     $ 1.11  
                                         
Weighted average shares outstanding
    116,736       109,437       98,826       96,576       94,406  
                                         
Cash dividends declared, per share
  $ 0.375     $ 0.282     $ 0.213     $ 0.187     $ 0.170  
                                         
 


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    December 31,        
    2006     2005     2004     2003     2002        
    (in thousands, except per share data) (1)        
 
Balance sheet data:
                                               
Total investments
  $ 3,927,995     $ 3,257,428     $ 2,468,491     $ 1,707,300     $ 1,177,775          
Premium, claims and other receivables
    864,705       884,654       891,360       934,252       789,226          
Reinsurance recoverables
    1,169,934       1,361,983       1,104,026       900,775       797,195          
Ceded unearned premium
    226,125       239,416       311,973       291,591       164,224          
Goodwill
    742,677       532,947       444,031       388,023       335,288          
Total assets
    7,630,132       7,028,800       5,900,568       4,883,345       3,738,963          
Loss and loss adjustment expense payable
    3,097,051       2,813,720       2,089,199       1,525,313       1,158,915          
Unearned premium
    920,350       807,109       741,706       592,311       331,050          
Premium and claims payable
    646,224       753,859       766,765       784,038       759,910          
Notes payable
    308,887       309,543       311,277       310,404       230,027          
Shareholders’ equity
    2,042,803       1,690,435       1,325,498       1,046,405       884,671          
Book value per share(3)
  $ 18.28     $ 15.26     $ 12.99     $ 10.91     $ 9.45          
 
 
(1) Certain amounts in the 2002-2005 selected consolidated financial data have been reclassified to conform to the 2006 presentation. Such reclassifications had no effect on our consolidated net earnings, shareholders’ equity or cash flows.
 
(2) We sold our retail brokerage operation, HCC Employee Benefits, Inc., in 2003. The net earnings of HCC Employee Benefits, the 2003 gain on sale and the subsequent gains in 2004 and 2005 from a contractual earnout are classified as discontinued operations. Consistent with this presentation, all pre-sale revenue and expense of HCC Employee Benefits was reclassified to discontinued operations.
 
(3) Book value per share is calculated by dividing the sum of outstanding shares plus contractually issuable shares into total shareholders’ equity.
 
Item 7.   Management’s Discussion and Analysis of Financial Condition and Results of Operations
 
The following Management’s Discussion and Analysis should be read in conjunction with the Selected Financial Data, the Consolidated Financial Statements and the related Notes thereto.
 
Overview
 
We are a specialty insurance group with offices in the United States, the United Kingdom, Spain, Bermuda and Ireland transacting business in more than 100 countries. Our group consists of insurance companies, underwriting agencies and intermediaries. Our shares are traded on the New York Stock Exchange and had a market capitalization of $3.5 billion at January 31, 2007. We earned $342.3 million or $2.93 per diluted share in 2006, compared to $191.2 million or $1.75 per diluted share earned in 2005. The increase in earnings in 2006 was due to increased revenue and the impact of hurricane losses on our 2005 results. We grew shareholders’ equity by 21% in 2006 to $2.0 billion at December 31, 2006, principally due to net earnings.
 
In 2005 and 2004, the property and casualty insurance industry suffered record losses from nine major hurricanes that affected the Atlantic and Gulf Coasts of the United States. We recorded gross losses of $394.6 million from the 2005 hurricanes and $89.8 million from the 2004 hurricanes in the year they occurred. Recoveries expected from our reinsurance programs reduced these gross losses to net losses of $89.7 million in 2005 and $33.1 million in 2004. There were no hurricane losses in 2006. In 2006 and 2005, we also opportunistically commuted two large reinsurance contracts related to run-off assumed accident and health reinsurance business included in our discontinued lines, for which we had $120.2 million in 2006 and

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$145.7 million in 2005 of reinsurance recoverables as of the date of commutation. As a result of these commutations, we recognized losses of $20.2 million in 2006 and $26.0 million in 2005, which principally represent the discount for the time value of money on the reinsurance recoverables. We expect to recoup these losses over future years as we earn interest on the cash proceeds from the commutations prior to the related claims being paid.
 
We underwrite a variety of specialty lines of business identified as diversified financial products; group life, accident and health; aviation; London market account; and other specialty lines of business. Products in each line are marketed by our insurance companies and agencies, either through a network of independent agents and brokers, or directly to customers. With the exception of our public company directors’ and officers’ liability business, certain international aviation and special financial product risks, and our London market business, the majority of our business is generally lower limit, smaller premium business that is less susceptible to price competition, severity of loss or catastrophe risk.
 
Our major insurance companies are rated “AA (Very strong)” by Standard & Poor’s Corporation, “AA- (Very Strong)” by Fitch Ratings and “A+ (Superior),” by A.M. Best Company, Inc.
 
We generate our revenue from five primary sources: 1) risk-bearing earned premium produced by our insurance company operations, 2) non-risk-bearing fee and commission income received by our underwriting agency and intermediary operations, 3) ceding commissions in excess of policy acquisition costs earned by our insurance company operations, 4) investment income earned by all of our operations and 5) other operating income. We produced $2.1 billion of revenue in 2006, an increase of 26% over 2005, primarily from higher net earned premium as a result of increased retentions, recent acquisitions, organic growth, increased investment income and increases in other operating income.
 
During the past several years, we substantially increased our shareholders’ equity by retaining most of our earnings and issuing additional shares of common stock. With this additional equity, we increased the underwriting capacity of our insurance companies and made strategic acquisitions, adding new lines of business or expanding those with favorable underwriting characteristics.
 
Our acquisitions during the past three years are listed below. Net earnings and cash flows from each acquired entity are included in our operations beginning on the effective date of each transaction.
 
         
Company
 
Segment
 
Effective Date Acquired
 
American Contractors Indemnity Company
  Insurance company   January 31, 2004
RA&MCO Insurance Services
  Agency   October 1, 2004
United States Surety Company
  Insurance company   March 1, 2005
HCC International Insurance Company
  Insurance company   July 1, 2005
Perico Life Insurance Company
  Insurance company   November 30, 2005
Perico Ltd. 
  Agency   December 1, 2005
Illium Insurance Group
  Agency   December 31, 2005
Novia Underwriters, Inc. 
  Agency   June 30, 2006
G.B. Kenrick & Associates, Inc. 
  Agency   July 1, 2006
Health Products Division
  Insurance company   October 2, 2006
 
The following section discusses our key operating results. The reasons for any significant variations between 2005 and 2004 are the same as those discussed for variations between 2006 and 2005, unless otherwise noted. Amounts in the following tables are in thousands, except for earnings per share, percentages, ratios and number of employees.
 
Results of Operations
 
Net earnings increased 79% to $342.3 million ($2.93 per diluted share) in 2006 from $191.2 million ($1.75 per diluted share) in 2005. Net earnings in 2006 included after-tax losses of $13.1 million ($0.11 per diluted share) due to a large reinsurance commutation and $9.3 million ($0.08 per diluted share) for costs


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related to our stock option investigation. Net earnings in 2005 included after-tax losses of $58.2 million ($0.53 per diluted share) due to the combined effects of five hurricanes and $16.9 million ($0.15 per diluted share) due to a reinsurance commutation. Growth in underwriting profits, net investment income, other operating income and the lack of hurricane losses contributed to the increase in 2006 earnings. Net earnings increased 18% to $191.2 million ($1.75 per diluted share) in 2005 from $162.7 million ($1.65 per diluted share) in 2004. Net earnings in 2004 included an after-tax loss of $21.5 million ($0.22 per diluted share) due to the combined effects of four hurricanes.
 
During 2006 and 2005, we reached agreements with various reinsurers to commute two large reinsurance contracts related to run-off assumed accident and health reinsurance business included in our discontinued lines, for which we had $120.2 million in 2006 and $145.7 million in 2005 of reinsurance recoverables at the date of commutation. In consideration for discounting the recoverables and reassuming the associated loss reserves, we agreed to accept cash payments that were less than the related recoverables. We recorded a pre-tax loss of $20.2 million in 2006 and $26.0 million in 2005 related to these commutations, which were included in loss and loss adjustment expense in our insurance company segment.
 
During 2005 and 2004, catastrophic events occurred related to three major hurricanes, Katrina, Rita and Wilma, and two others (collectively, the 2005 hurricanes) and four major hurricanes, Charley, Frances, Ivan and Jeanne (collectively, the 2004 hurricanes). We recognized pre-tax losses after reinsurance recoveries and including the cost of premiums to reinstate our reinsurance protection of $89.7 million in 2005 and $33.1 million in 2004 in our insurance company segment as a result of these hurricanes.
 
The following table shows the reported amounts, as well as the effect on those amounts of the two commutations and the hurricanes in the year they occurred. The table does not include reserve reductions related to prior year hurricanes as follows: $17.7 million in 2006 ($15.2 million for the 2005 hurricanes and $2.5 million for the 2004 hurricanes) and $7.2 million in 2005 for the 2004 hurricanes. The impact on ceded earned premium relates to the effect of premiums to reinstate our excess of loss reinsurance, which reduced net earned premium.
 
                                                 
                      Effect of Commutations and Hurricanes  
    2006     2005     2004     2006     2005     2004  
 
Gross incurred loss and loss adjustment expense
  $ 1,218,838     $ 1,596,773     $ 1,289,155     $     $ 394,625     $ 89,795  
Net incurred loss and loss adjustment expense
    1,011,856       919,697       645,230       20,199       99,226       23,335  
Ceded earned premium
    439,246       617,402       849,610             16,533       9,806  
Net earnings (loss)
    342,285       191,192       162,699       (13,129 )     (75,171 )     (21,464 )
Diluted earnings (loss) per share
    2.93       1.75       1.65       (0.11 )     (0.69 )     (0.22 )


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The following table shows our net loss, expense and combined ratios and the effect that the losses related to the hurricanes in the year they occurred and of the two commutations had on these ratios. To determine the effect of the hurricanes and commutations, we calculated the 2006, 2005 and 2004 net loss ratios by excluding $20.2 million, $99.2 million and $23.3 million, respectively, of losses from the numerator of the net loss ratio and zero, $16.5 million and $9.8 million, respectively, of reinstatement premium from the denominator of both the net loss ratio and the expense ratio.
 
                         
    2006     2005     2004  
 
Ratios:
                       
Net loss ratio
    59.2 %     67.1 %     63.8 %
Expense ratio
    25.0       26.1       26.7  
                         
Combined ratio
    84.2 %     93.2 %     90.5 %
                         
Effect of hurricanes and commutations:
                       
Net loss ratio
    1.2 %     7.9 %     2.9 %
Expense ratio
          0.3       0.3  
                         
Combined ratio
    1.2 %     8.2 %     3.2 %
                         
 
The following table sets forth the relationships of certain income statement items as a percent of total revenue.
 
                         
    2006     2005     2004  
 
Net earned premium
    82.3 %     83.4 %     78.7 %
Fee and commission income
    6.6       8.1       14.3  
Net investment income
    7.4       6.0       5.1  
Net realized investment gain
          0.1       0.4  
Other operating income
    3.7       2.4       1.5  
                         
Total revenue
    100.0       100.0       100.0  
Loss and loss adjustment expense, net
    48.8       56.0       50.2  
Policy acquisition costs, net
    15.4       15.9       17.3  
Other operating expense
    10.7       11.0       13.1  
Interest expense
    0.5       0.5       0.7  
                         
Earnings from continuing operations before income tax expense
    24.6       16.6       18.7  
Income tax expense
    8.1       5.1       6.3  
                         
Earnings from continuing operations
    16.5 %     11.5 %     12.4 %
                         
 
Total revenue increased 26% to $2.1 billion in 2006 and 28% to $1.6 billion in 2005, driven by significant growth in net earned premium and investment income, offset by the expected decrease in fee and commission income in 2005. Approximately 28% of the increase in revenue in 2006 and 6% in 2005 was due to the acquisition of businesses. We expect total revenue to continue to grow in 2007.
 
Gross written premium, net written premium and net earned premium are detailed below. Premium increased from organic growth, particularly in our diversified financial products line of business, acquisitions and, with respect to net premiums, from increased retentions. See the Insurance Company Segment section below for further discussion of the relationship and changes in premium revenue.
 
                         
    2006     2005     2004  
 
Gross written premium
  $ 2,235,648     $ 2,038,286     $ 1,975,153  
Net written premium
    1,812,552       1,501,224       1,105,519  
Net earned premium
    1,709,189       1,369,988       1,010,692  


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The table below shows the source of our fee and commission income.
 
                         
    2006     2005     2004  
 
Agencies
  $ 92,566     $ 94,972     $ 127,453  
Insurance companies
    44,565       37,656       56,349  
                         
Fee and commission income
  $ 137,131     $ 132,628     $ 183,802  
                         
 
Fee and commission income increased $4.5 million in 2006 as a result of profit commissions from reinsurers, which were triggered by reserve releases. Fee and commission income decreased to $132.6 million in 2005, as expected, resulting from a decrease in the level of ceded reinsurance by our insurance company subsidiaries, which resulted in reduced revenue from our reinsurance brokers and reduced ceding commissions earned by our insurance companies and underwriting agencies. Also, effective January 1, 2005, we consolidated the operations of our largest underwriting agency into one of our life insurance company subsidiaries. This higher retention of our premium and the consolidation of operations resulted in increased underwriting revenue and profitability in our insurance company subsidiaries.
 
The sources of net investment income are detailed below.
 
                         
    2006     2005     2004  
 
Fixed income securities
  $ 112,878     $ 77,842     $ 55,929  
Short-term investments
    30,921       21,208       9,735  
Other investments
    14,178       3,615       1,366  
                         
Total investment income
    157,977       102,665       67,030  
Investment expense
    (5,173 )     (3,814 )     (2,145 )
                         
Net investment income
  $ 152,804     $ 98,851     $ 64,885  
                         
 
Net investment income increased 55% in 2006 and 52% in 2005. These increases were primarily due to higher investment assets, which increased to $3.9 billion at December 31, 2006 compared to $3.3 billion at December 31, 2005 and $2.5 billion at December 31, 2004, and higher interest rates. The growth in investment assets resulted from: 1) cash flow from operations, 2) higher retentions, 3) commutations of reinsurance recoverables, 4) our public offerings of common stock in 2005 and 2004 and 5) the increase in net loss reserves particularly from our diversified financial products line of business, which generally has a longer time period between reporting and payment of claims. Average yields on our short-term investments increased from 2.7% in 2005 to 4.5% in 2006 and our long-term tax equivalent yield increased from 4.9% in 2005 to 5.2% in 2006. We continue to invest our funds primarily in fixed income securities, with a weighted average duration of 4.6 years at December 31, 2006. We expect investment assets to continue to increase in 2007, consistent with our anticipated growth in revenue and earnings.
 
At December 31, 2006, our unrealized loss on fixed income securities was $1.6 million, down from an unrealized loss of $8.5 million at December 31, 2005, due to fluctuations in market interest rates. The change in the unrealized gain or loss, net of the related income tax effect, is recorded in other comprehensive income and fluctuates with changes in market interest rates. Our general policy has been to hold our fixed income securities, which are classified as available for sale, through periods of fluctuating interest rates and to not realize significant gains or losses from their sale. The unrealized loss on our fixed income securities increased to $14.9 million at January 31, 2007 due to an increase in interest rates.
 
Other operating income increased $37.2 million in 2006 and $20.4 million in 2005. The 2006 increase was due to net gains from trading securities and gains from the sales of strategic investments. The 2005 increase related primarily to gains from strategic investments, higher net gains from trading securities and a $4.3 million gain on the sale of a dormant subsidiary. Period to period comparisons in this category may vary substantially depending on market values of trading securities and other financial instruments and on income


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from strategic investments or dispositions of such investments. The following table details the components of other operating income.
 
                         
    2006     2005     2004  
 
Strategic investments
  $ 43,627     $ 10,241     $ 5,103  
Trading securities
    24,100       16,619       2,604  
Financial instruments
    4,772       3,898       4,297  
Sale of non-operating assets
          4,271       1,531  
Other
    4,513       4,744       5,871  
                         
Other operating income
  $ 77,012     $ 39,773     $ 19,406  
                         
 
Loss and loss adjustment expense increased 10% in 2006, and 43% in 2005. Both years increased due to growth in net retained premium. Additionally, hurricane losses and a commutation loss affect the increase in losses in 2005 over 2004. Policy acquisition costs increased 22% in 2006 and 18% in 2005, primarily due to the growth in net earned premium. See the Insurance Company Segment section below for further discussion of the changes in loss and loss adjustment expense and policy acquisition costs.
 
Other operating expense, which includes compensation expense, increased 23% in 2006 and 8% in 2005. The 2006 amount increased for stock option expense under Statement of Financial Accounting Standards (SFAS) No. 123(R); higher professional fees, legal costs and other expenses related to the stock option investigation; and operating expenses of subsidiaries acquired in 2006 and the second half of 2005. The 2005 increase primarily related to higher incentive compensation based on increased profitability, operating expenses of subsidiaries acquired or formed, and the expensing of $8.9 million for an indemnification claim. We had 1,660 employees at December 31, 2006, compared to 1,448 a year earlier. The increase in employees was primarily due to acquisitions.
 
In 2006, we expensed $13.1 million ($9.4 million after tax or $0.08 per diluted share) of stock-based compensation, after the effect of the deferral and amortization of related policy acquisition costs. Effective January 1, 2006, we adopted SFAS No. 123(R), Share-Based Payment, using the modified prospective method. We are recognizing compensation expense in 2006 and thereafter for all previously granted but unvested stock options as of January 1, 2006, and all options granted after that date. Prior to adoption, we accounted for our stock options in accordance with Accounting Principles Board Opinion No. 25, Accounting for Stock Issued to Employees, and recognized compensation expense of $3.0 million in 2005 and $2.6 million in 2004. We made no modifications to our stock option plans in conjunction with our implementation of SFAS 123(R). The 2005 and 2004 consolidated financial statements were not restated to reflect our adoption of SFAS 123(R). During adoption, we reviewed our Black-Scholes assumptions and established a policy to align our assumptions with the individual grant terms for all future grants. This resulted in lower assumptions for expected volatility and expected option life for our 2006 grants. At December 31, 2006, there was approximately $32.4 million of total unrecognized compensation expense related to unvested options that is expected to be recognized over a weighted-average period of 2.8 years. In 2007, we expect to recognize $10.9 million of expense, including the amortization of deferred policy acquisition costs, related to stock-based compensation for options currently outstanding.
 
Our effective income tax rate on earnings from continuing operations was 32.9% for 2006, compared to 30.9% for 2005 and 34.1% for 2004. The effective tax rate was lower in 2005 because our tax exempt interest income increased as a percentage of our pre-tax income and we recorded a special $2.8 million repatriation tax benefit. The 2006 rate is a more normalized rate.
 
In December 2003, we sold the business of our retail brokerage subsidiary, HCC Employee Benefits, Inc., for $62.5 million in cash. We recognized gains of $6.3 million ($4.0 million after-tax) in 2004 and $4.4 million ($2.8 million after-tax) in 2005 from a contractual earnout, which is now completed. The after-tax gains on earnout are reported as earnings from discontinued operations in the consolidated statements of earnings. Cash flows from earnout are included in investing activities.


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At December 31, 2006, book value per share was $18.28, up from $15.26 at December 31, 2005 and $12.99 at December 31, 2004. Total assets were $7.6 billion and shareholders’ equity was $2.0 billion, up from $7.0 billion and $1.7 billion, respectively, at December 31, 2005.
 
Segments
 
We operate our businesses in three segments: 1) insurance company, 2) agency and 3) other operations. Our Chief Executive Officer, as chief decision maker, monitors and evaluates the individual financial results of each subsidiary in the insurance company and agency segments. Each subsidiary provides monthly reports of its actual and budgeted results, which are aggregated on a segment basis for management review and monitoring. The operating results of our insurance company and agency segments are discussed below.
 
Insurance Company Segment
 
Net earnings of our insurance company segment increased 116% to $272.0 million in 2006 compared to $126.1 million in 2005, which in turn increased 15% from $109.3 million in 2004. The 2006 net earnings included $13.1 million of after-tax losses related to a commutation. The 2005 net earnings included $75.2 million of after-tax losses related to hurricanes and a commutation, while 2004 net earnings included $21.5 million of after-tax hurricane losses. The growth in segment net earnings was driven by: 1) improved underwriting results, 2) increased retentions, which resulted in higher earned premium, 3) increased investment income and 4) the operations of acquired subsidiaries. Effective April 1, 2006 and January 1, 2005, we consolidated two underwriting agencies into two insurance companies; all operations after those dates have been reported in our insurance company segment. Even though there is some pricing competition in certain of our markets, our margins remain at an acceptable level of profitability due to our underwriting expertise and discipline. We expect net earnings from our insurance companies to continue to grow in 2007.
 
Premium
 
Gross written premium increased 10% to $2.2 billion in 2006 and 3% in 2005. We expect gross written premium to continue to grow in 2007. Net written premium increased 21% to $1.8 billion and net earned premium increased 25% to $1.7 billion in 2006 compared to increases of 36% and 36%, respectively, in 2005 and 2004. These increases were primarily due to higher retention levels on most non-catastrophe business, acquisitions and the mix of business due to increased premium in lines where we had greater retentions. The overall percentage of retained premium increased to 81% in 2006 from 74% in 2005 and 56% in 2004. Net written and net earned premium are expected to continue to grow in 2007.
 
The following table details premium amounts and their percentages of gross written premium.
 
                                                 
    2006     2005     2004  
    Amount     %     Amount     %     Amount     %  
 
Primary
  $ 1,867,908       84 %   $ 1,768,284       87 %   $ 1,674,075       85 %
Reinsurance assumed
    367,740       16       270,002       13       301,078       15  
                                                 
Gross written premium
    2,235,648       100       2,038,286       100       1,975,153       100  
Reinsurance ceded
    (423,096 )     (19 )     (537,062 )     (26 )     (869,634 )     (44 )
                                                 
Net written premium
    1,812,552       81       1,501,224       74       1,105,519       56  
Change in unearned premium
    (103,363 )     (5 )     (131,236 )     (7 )     (94,827 )     (5 )
                                                 
Net earned premium
  $ 1,709,189       76 %   $ 1,369,988       67 %   $ 1,010,692       51 %
                                                 


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The following tables provide premium information by line of business.
 
                                 
    Gross
          NWP
       
    Written
    Net Written
    as % of
    Net Earned
 
    Premium     Premium     GWP     Premium  
 
Year ended December 31, 2006
                               
Diversified financial products
  $ 956,057     $ 794,232       83 %   $ 728,861  
Group life, accident and health
    621,639       590,811       95       591,070  
Aviation
    216,208       166,258       77       152,886  
London market account
    234,868       127,748       54       112,362  
Other specialty lines
    205,651       133,481       65       123,981  
Discontinued lines
    1,225       22       nm       29  
                                 
Totals
  $ 2,235,648     $ 1,812,552       81 %   $ 1,709,189  
                                 
Year ended December 31, 2005
                               
Diversified financial products
  $ 908,526     $ 675,942       74 %   $ 531,136  
Group life, accident and health
    593,382       502,805       85       504,382  
Aviation
    210,530       130,743       62       136,197  
London market account
    144,425       78,809       55       93,017  
Other specialty lines
    176,139       109,106       62       97,721  
Discontinued lines
    5,284       3,819       nm       7,535  
                                 
Totals
  $ 2,038,286     $ 1,501,224       74 %   $ 1,369,988  
                                 
Year ended December 31, 2004
                               
Diversified financial products
  $ 857,299     $ 404,870       47 %   $ 310,809  
Group life, accident and health
    584,747       343,996       59       343,913  
Aviation
    204,963       144,687       71       127,248  
London market account
    178,950       107,509       60       111,341  
Other specialty lines
    133,964       83,980       63       69,089  
Discontinued lines
    15,230       20,477       nm       48,292  
                                 
Totals
  $ 1,975,153     $ 1,105,519       56 %   $ 1,010,692  
                                 
 
 
nm — Not meaningful comparison
 
The changes in premium volume and retention levels between years resulted principally from the following factors:
 
  •  Diversified financial products — The growth in our gross written premium in 2006 resulted principally from organic growth in our surety, credit and special financial products businesses, where pricing is good and competition is reasonable. Premium volume in the other major products was stable and the pricing for these products is down slightly. In response to some increased competition and a reduction in available reinsurance at an acceptable cost, we scaled back our writing of directors’ and officers’ liability business in 2005. Our professional indemnity and surety business increased in 2005 due to organic growth and acquisitions. The growth in net written and net earned premium in both years was due to increased retentions resulting from a reduction in proportional reinsurance, some of which has been replaced by excess of loss reinsurance.
 
  •  Group life, accident and health — Gross written, net written and net earned premium of our medical stop-loss product increased $75.3 million in 2006 as a result of our acquisition of the Health Products Division on October 2, 2006. The increase in gross written premium was partially offset by a decrease in premium due to our non-renewing a book of business which was 100% reinsured and, thus, did not impact net written premium. Our retention of our medical stop-loss business increased in 2006 and 2005 as we chose to reinsure less of this non-volatile business, which has very little catastrophe


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  exposure. Profit margins remain at acceptable levels despite increased competition from the fully insured market.
 
  •  Aviation — The growth in net written premium and net earned premium in 2006 is due to the effect of recapture of ceded unearned premium from a transfer of in force business. Retention also increased as a result of a reduction in proportional reinsurance. Retention levels are consistent between 2005 and 2004 after removing the effect of a similar recapture in 2004. The international aviation component of this line is very competitive with downward pressure on pricing, but margins on decreased premium volume are still acceptable. Our domestic business is very stable.
 
  •  London market account — Gross written premium increased in 2006 due to the substantial increase in rates in the energy sector as a result of the 2005 hurricane losses. Net written premium increased for the same reason and will be reflected in increases in our net earned premium into 2007. In 2006, to increase our capacity and spread our risk in the energy sector, we entered into a new quota share reinsurance agreement which was renewed in 2007. Although the cost of our 2006 excess of loss reinsurance increased, our potential profitability is greater on the increased gross written premium. Our aggregate exposure in Florida and the Gulf of Mexico was lower in 2006 than in 2005, and we are maintaining the reduced exposure in 2007. The decrease in premium writings in 2005 was due to more selective underwriting in response to reduced premium rates from increased competition. Retention percentages can vary due to the effect of reinstatement premiums and the amount of earned premium in relation to substantial, relatively fixed excess of loss premiums. Premium rates in this line are stable.
 
  •  Other specialty lines — We experienced organic growth in our other specialty lines of business from increased writings in several products. The changing mix of products will affect the retention percentages. Rates in this line have been relatively stable.
 
Reinsurance
 
Annually, we analyze our overall threshold for risk in each line of business based upon a number of factors including market conditions, pricing, competition and the inherent risks associated with the business type, then structure a specific reinsurance program for each of our lines of business. Based on our analysis of these factors, we may determine not to purchase reinsurance for some lines of business. We generally purchase reinsurance to reduce our net liability on individual risks and to protect against catastrophe losses and volatility. We purchase reinsurance on a proportional basis to cover loss frequency, individual risk severity and catastrophe exposure. Some of the proportional reinsurance agreements may have maximum loss limits, the lowest of which is a 200% loss ratio. We also purchase reinsurance on an excess of loss basis to cover individual risk severity and catastrophe exposure. Additionally, we may obtain facultative reinsurance protection on a single risk. The type and amount of reinsurance we purchase varies year to year based on our risk assessment, our desired retention levels based on profitability and other considerations, and the market availability of quality reinsurance at prices we consider acceptable. Our reinsurance programs renew throughout the year and, during 2006, some of those renewals contained price increases, which were not material to our net underwriting results. Our reinsurance generally does not cover war or terrorism risks, which are excluded from most of our policies.
 
We decided for the 2006 and 2005 underwriting years to retain more underwriting risk in certain lines of business with the intention of retaining a greater proportion of any underwriting profits. In doing so, we will necessarily purchase less reinsurance applicable to a line or choose to restructure the applicable reinsurance programs, obtaining more excess of loss reinsurance and less proportional reinsurance, which significantly reduces the amount of ceded premium. Also, we have chosen not to purchase any reinsurance on other business where volatility or catastrophe risks are considered remote.
 
In our proportional reinsurance programs, we generally receive an overriding (ceding) commission on the premium ceded to reinsurers. This compensates our insurance companies for the direct costs associated with the production of the business, the servicing of the business during the term of the policies ceded and the costs associated with the placement of the related reinsurance. In addition, certain of our reinsurance treaties allow us to share in any net profits generated under such treaties with the reinsurers. Various reinsurance


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brokers, including subsidiaries, arrange for the placement of this proportional and other reinsurance coverage on our behalf and are compensated, directly or indirectly, by the reinsurers.
 
We have a reserve of $14.9 million at December 31, 2006 for potential collectibility issues related to reinsurance recoverables, including disputed amounts and associated expenses. While we believe the reserve is adequate based on information currently available, conditions may change or additional information might be obtained that may require us to change the reserve in the future. We periodically review our financial exposure to the reinsurance market and the level of our reserve and continue to take actions in an attempt to mitigate our exposure to possible loss.
 
Losses and Loss Adjustment Expenses
 
The table below shows the composition of gross incurred loss and loss adjustment expense.
 
                                                 
    2006     2005     2004  
    Amount     Loss Ratio     Amount     Loss Ratio     Amount     Loss Ratio  
 
2005 hurricanes
  $ 12,670       0.6 %   $ 394,625       19.9 %   $       %
2004 hurricanes
    (2,984 )     (0.2 )     (13,423 )     (0.7 )     89,795       4.8  
Other reserve redundancies
    (28,041 )     (1.3 )     (7,080 )     (0.4 )     (11,594 )     (0.6 )
Discontinued line of business adjustments
    15,054       0.7       49,775       2.5       127,707       6.9  
All other gross incurred loss and loss adjustment expense
    1,222,139       56.9       1,172,876       59.0       1,083,247       58.2  
                                                 
Gross incurred loss and loss expense adjustment
  $ 1,218,838       56.7 %   $ 1,596,773       80.3 %   $ 1,289,155       69.3 %
                                                 
 
Our gross adverse development (redundancy) relating to prior year losses was $(3.3) million in 2006, $29.3 million in 2005 and $116.1 million in 2004.
 
We increased our gross losses related to prior accident years on certain run-off assumed accident and health reinsurance business reported in our discontinued lines of business by $15.1 million in 2006, $49.8 million in 2005 and $127.7 million in 2004 due to our processing of additional information received and our continuing evaluation of gross and net reserves related to this business. We considered a combination of factors including: 1) the nature of the business, which is primarily excess of loss reinsurance, 2) late reported losses by insureds, reinsureds and state guaranty associations and 3) changes in our actuarial assumptions to reflect additional information received during the year. The run-off assumed accident and health reinsurance business is primarily reinsurance that provides excess coverage for large losses related to workers’ compensation policies. This business is slow to develop and may take as many as twenty years to pay out. Primary losses must develop first before the excess coverage attaches. Thus, the losses are reported to excess of loss reinsurers later in the life cycle of the claim. Compounding this late reporting is the fact that a number of large insurance companies that were cedants of this business failed and were taken over by state regulatory authorities in 2002 and 2003. The state guaranty associations covering these failed companies have been slow to report losses to us. Based on the higher amount of actual losses reported, we revised the expected loss ratios used in our actuarial calculations. After consideration of all available information, we increased our gross and net reserves to amounts that management determined were appropriate to cover losses projected, given the risk inherent in this type of business.


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The table below shows the composition of net incurred loss and loss adjustment expense.
 
                                                 
    2006     2005     2004  
    Amount     Loss Ratio     Amount     Loss Ratio     Amount     Loss Ratio  
 
2005 hurricanes
  $ (15,215 )     (0.9 )%   $ 73,185       5.3 %   $       %
2004 hurricanes
    (2,483 )     (0.2 )     (7,167 )     (0.5 )     23,335       2.3  
Discontinued line of business commutations
    20,199       1.2       26,041       1.9              
Discontinued line of business adjustments
    4,898       0.3       8,929       0.7       27,326       2.7  
Other reserve deficiencies (redundancies)
    (13,925 )     (0.8 )     (2,409 )     (0.2 )     3,152       0.3  
All other net incurred loss and loss adjustment expense
    1,018,382       59.6       821,118       59.9       591,417       58.5  
                                                 
Net incurred loss and loss adjustment expense
  $ 1,011,856       59.2 %   $ 919,697       67.1 %   $ 645,230       63.8 %
                                                 
 
The discontinued line of business and hurricane losses were substantially reinsured; therefore, the net losses are substantially less than the gross losses in each year. Our net adverse development (redundancy) relating to prior year losses was $(6.5) million in 2006, $25.4 million in 2005 and $30.5 million in 2004, including $20.2 million in 2006 and $26.0 million in 2005 due to commutations that affected our discontinued line of business. The commutation losses primarily represent the discount for the time value of money on the reinsurance recoverables commuted. We reduced our net loss reserves on prior year hurricanes by $17.7 million in 2006 and $7.2 million in 2005 to reflect current estimates of our remaining liabilities. As a result of adverse development of certain run-off assumed accident and health reinsurance business in our discontinued lines of business, we strengthened our reserves for this line in all years to bring them above our actuarial point estimate. See our discussion of factors that caused the adverse development in the section covering gross losses above. The other reserve redundancies in 2006 resulted primarily from our year-end review of reserves and relate primarily to loss reserves of various lines of business for various accident years where the anticipated development was considered to be less than the recorded reserves. In some cases, the prior year redundancies were utilized to augment the 2006 accident year reserves for the same line of business. Deficiencies and redundancies in reserves occur as a result of our continuing review and as losses are finally settled or claims exposures change. We have no material exposure to environmental or asbestos losses and believe we have provided for all material net incurred losses.


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The following table provides comparative net loss ratios by line of business.
 
                                                 
    2006     2005     2004  
    Net
    Net
    Net
    Net
    Net
    Net
 
    Earned
    Loss
    Earned
    Loss
    Earned
    Loss
 
    Premium     Ratio     Premium     Ratio     Premium     Ratio  
 
Diversified financial products
  $ 728,861       48.2 %   $ 531,136       48.1 %   $ 310,809       47.6 %
Group life, accident and health
    591,070       73.1       504,382       71.6       343,913       66.7  
Aviation
    152,886       53.8       136,197       67.3       127,248       63.2  
London market account
    112,362       43.0       93,017       106.0       111,341       65.9  
Other specialty lines
    123,981       56.0       97,721       72.6       69,089       63.5  
Discontinued lines
    29       nm       7,535       nm       48,292       nm  
                                                 
Totals
  $ 1,709,189       59.2 %   $ 1,369,988       67.1 %   $ 1,010,692       63.8 %
                                                 
Expense ratio
            25.0               26.1               26.7  
                                                 
Combined ratio
            84.2 %             93.2 %             90.5 %
                                                 
 
 
nm — Not meaningful comparison
 
Comments on significant changes in net loss ratios by line of business follow:
 
  •  Group life, accident and health — Rate pressure from competition as well as medical cost inflation have resulted in increasing loss ratios in this line of business. Additionally, in 2006 the loss ratio for the business acquired in the Health Products Division acquisition were higher than the loss ratios for our existing business, increasing our overall loss ratio. Over time, we expect that the loss ratios for the acquired business will be brought into line with the rest of our book. Overall, our underwriting margins for this line of business remain satisfactory.
 
  •  Aviation — The 2005 hurricanes increased the net loss ratio by 5.0 percentage points in 2005 and the 2004 hurricanes increased the net loss ratio by 6.5 percentage points. The 2005 net loss ratio also includes the positive impact from the release of redundant reserves related to the 2004 hurricanes. Excluding the impact of the hurricanes, 2005 had worse than expected underwriting experience due to some unusually large international losses while 2006 underwriting results were better than expected, due in part to the release of redundant reserves on the 2004 and 2005 accident years.
 
  •  London market account — The adjustment of hurricane reserves reduced the 2006 net loss ratio by 9.1 percentage points. The 2005 hurricanes increased the net loss ratio by 63.2 percentage points and the 2004 hurricanes increased the net loss ratio by 14.1 percentage points. The 2006 loss ratio was also adversely affected by higher than expected attritional losses for energy business and poor underwriting results for marine business. The London market account line of business can have relatively high year-to-year volatility due to catastrophe exposure.
 
  •  Other specialty lines — The release of redundant hurricane reserves reduced the 2006 net loss ratio by 3.9 percentage points. The 2005 hurricanes increased the net loss ratio by 14.0 percentage points and the 2004 hurricanes increased the net loss ratio by 6.5 percentage points.
 
  •  Discontinued lines — The commutation losses in 2006 and 2005 affected the net losses for those years. In addition, the 2006, 2005 and 2004 net losses were impacted by loss reserve strengthening of $4.9 million, $8.9 million and $27.3 million, respectively, on certain run-off assumed accident and health reinsurance business.
 
Our net paid loss ratios were 34.1%, 33.4% and 30.0% in 2006, 2005 and 2004, respectively. The paid loss ratio is the percentage of losses paid, net of reinsurance, divided by net earned premium for that year.


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Policy Acquisition Costs
 
Policy acquisition costs, which are net of the related portion of commissions on reinsurance ceded, increased to $319.9 million in 2006 from $261.7 million in 2005 and $222.3 million in 2004. Policy acquisition costs as a percentage of net earned premium decreased to 18.7% in 2006 from 19.1% in 2005 and 22% in 2004. The decrease in the acquisition cost percentage from 2005 to 2006 is due to a change in the mix of business. The decrease from 2004 to 2005 is due to a change in the mix of business, reductions in commission rates on certain lines of business and our increased retentions which increased our net earned premium at a higher rate than our non-commission acquisition costs.
 
The GAAP expense ratio of 25.0% in 2006 decreased in comparison to 26.1% in 2005 due to the higher level of net earned premiums in 2006 and the effect of reinstatement premiums in 2005. The decrease between 2005 and 2004 results from the same factors as the decrease in the policy acquisition percentage.
 
Statutory
 
Regulatory guidelines suggest that a property and casualty insurer’s annual statutory gross written premium should not exceed 900% of its statutory policyholders’ surplus and net written premium should not exceed 300% of its statutory policyholders’ surplus. However, industry standards and rating agency criteria place these ratios at 300% and 200%, respectively. Our property and casualty insurance companies have maintained premium to surplus ratios lower than such guidelines. For 2006, our statutory gross written premium to policyholders’ surplus was 167.2% and our statutory net written premium to policyholders’ surplus was 135.1%. At December 31, 2006, each of our domestic insurance companies’ total adjusted capital was significantly in excess of the authorized control level risk-based capital level prescribed by the National Association of Insurance Commissioners.
 
Agency Segment
 
Revenue from our agency segment decreased to $180.0 million in 2006 from $188.9 million in 2005 and $226.8 million in 2004, primarily due to the consolidation of two underwriting agencies into our insurance companies effective January 1, 2005 and April 1, 2006, less business produced in certain lines and the overall effect of ceding less reinsurance. These effects were partially offset in 2006 due to acquisitions and growth in certain other lines of business. While these actions resulted in less fee and commission income to our agency segment, they resulted in increased insurance company revenue and net earnings. Segment earnings in 2005 are less than in 2004 primarily as a result of the same factors that caused the decrease in revenue. Segment net earnings would have decreased in 2006, except the agency segment benefited from lower corporate cost allocations.
 
Other Operations Segment
 
Revenue and net earnings from our other operations segment increased to $75.1 million and $48.8 million, respectively, in 2006 from $35.3 million and $22.6 million, respectively, in 2005 and $13.0 million and $7.9 million, respectively, in 2004 primarily due to net gains from trading securities and the sale of strategic investments. In the fourth quarter of 2006, we began liquidating our trading portfolio, investing the proceeds primarily in fixed income securities. We expect the trading portfolio to be fully liquidated in 2007. Results of this segment may vary substantially period to period depending on our investment in or disposition of strategic investments and activity in our trading portfolio.
 
Liquidity and Capital Resources
 
Cash Flow
 
We receive substantial cash from premiums, reinsurance recoverables, commutations, fee and commission income, proceeds from sales and redemptions of investments and investment income. Our principal cash outflows are for the payment of claims and loss adjustment expenses, premium payments to reinsurers, purchases of investments, debt service, policy acquisition costs, operating expenses, taxes and dividends.


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Cash provided by operating activities can fluctuate due to timing differences in the collection of premiums and reinsurance recoverables and the payment of losses and premium and reinsurance balances payable, the completion of commutations and activity in our trading portfolio. Our cash provided by operating activities has been strong in recent years due to: 1) our increasing net earnings, 2) growth in net written premium and net loss reserves due to organic growth and increased retentions, 3) commutations of selected reinsurance agreements and 4) expansion of our diversified financial products line of business as a result of which we retain premium for a longer duration than had been the case prior to entering this business.
 
The components of our net operating cash flows are detailed in the following table.
 
                         
    2006     2005     2004  
 
Net earnings
  $ 342,285     $ 191,192     $ 162,699  
Change in premium, claims and other receivables, net of reinsurance, other payables and restricted cash
    (139,906 )     (59,717 )     237  
Change in unearned premium, net
    122,571       121,242       104,895  
Change in loss and loss adjustment expense payable, net of reinsurance recoverables
    328,569       454,859       349,813  
Gain on sale of subsidiary
          (8,717 )     (6,317 )
Change in trading portfolio
    (19,919 )     (66,809 )     25,673  
Other, net
    19,788       (8,060 )     31,703  
                         
Cash provided by operating activities
  $ 653,388     $ 623,990     $ 668,703  
                         
 
Cash provided by operating activities increased $29.4 million in 2006 and decreased $44.7 million in 2005. Cash received from commutations, included in cash provided by operating activities, totaled $12.8 million, $180.8 million and $79.5 million in 2006, 2005 and 2004, respectively. Excluding the commutations, cash provided by operating activities increased $197.4 million in 2006 and decreased $146.0 million in 2005. The increase in 2006 was primarily due to the increase in net earnings and activity in our trading portfolio. The decrease in 2005 was principally due to an increase in paid claims in 2005 as a result of payments of 2004 hurricane losses and claims related to business commuted in 2004, the timing of receipt of premiums and payment of payables, and the effect of our trading portfolio activity. Cash flows are expected to be strong again in 2007.
 
Investments
 
At December 31, 2006, we had $3.9 billion of investment assets, an increase of $670.6 million from the end of 2005. The increase resulted from strong operating cash flows. The majority of our investment assets are held by our insurance companies. All of our fixed income securities are classified as available for sale and are recorded at market value.
 
Our investment policy is determined by our Board of Directors and our Investment and Finance Committee and is reviewed on a regular basis. Our policy for each of our insurance company subsidiaries must comply with applicable State and Federal regulations which prescribe the type, quality and concentration of investments. These regulations permit investments, within specified limits and subject to certain qualifications, in federal, state and municipal obligations, obligations of foreign countries, corporate bonds and preferred and common equity securities. The regulations generally allow certain other types of investments subject to maximum limitations.
 
We engage independent investment advisors to oversee our fixed income investments and to make investment recommendations. We invest our funds principally in highly rated fixed income securities. Our historical investment strategy is to maximize interest income and yield, rather than to maximize total return. In accordance with our strategy, realized gains and losses from sales of investment securities are usually minimal, unless we decide to capture gains to enhance statutory capital and surplus of our insurance company subsidiaries. Although we generally intend to hold fixed income securities to maturity, we regularly re-evaluate


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our position based on market conditions. Our portfolio turnover will fluctuate, depending upon opportunities to increase yields by replacing one security with another higher yielding security.
 
At December 31, 2006, we had cash and short-term investments of $763.0 million, of which $492.9 million is held by our insurance companies. We maintain cash and liquid short-term instruments in our insurance companies in order to be able to fund losses of our insureds. Cash and short-term investments were higher than normal at December 31, 2006 due to proceeds from the liquidation of our trading portfolio and, at December 31, 2005, due to proceeds from a common stock offering and commutations that were consummated close to year end. Those proceeds had not yet been invested on a longer term basis.
 
This table shows a profile of our fixed income and short-term investments. The table shows the average amount of investments, income earned and the yield thereon.
 
                         
    2006     2005     2004  
 
Average investments, at cost
  $ 3,529,671     $ 2,822,686     $ 2,054,620  
Net investment income *
    152,804       98,851       64,885  
Average short-term yield *
    4.5%       2.7%       1.7%  
Average long-term yield *
    4.4%       4.0%       3.9%  
Average long-term tax equivalent yield *
    5.2%       4.9%       4.8%  
Weighted average combined tax equivalent yield *
    5.0%       4.1%       3.8%  
Weighted average maturity
    6.9 years        7.6 years       6.6 years  
Weighted average duration
    4.6 years        4.9 years       4.6 years  
Average S&P rating
    AAA             AAA           AAA      
 
 
Excluding realized and unrealized investment gains and losses.
 
This table summarizes the estimated market value of our investments by type at December 31, 2006.
 
                 
    Amount     %  
 
Short-term investments
  $ 714,685       18 %
U.S. government
    121,580       3  
States, municipalities and political subdivisions
    413,422       11  
Special revenue fixed income securities
    948,280       24  
Corporate fixed income securities
    330,565       9  
Asset-backed and mortgage-backed securities
    786,042       20  
Foreign securities
    407,304       10  
Other investments
    206,117       5  
                 
Total investments
  $ 3,927,995       100 %
                 
 
This table summarizes, by rating, the market value of our investments in fixed income securities at December 31, 2006.
 
                 
    Amount     %  
 
AAA
  $ 2,358,078       78 %
AA
    322,717       11  
A
    301,143       10  
BBB
    24,646       1  
BB and below
    609        
                 
Total fixed income securities
  $ 3,007,193       100 %
                 


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This table indicates the expected maturity distribution of the estimated market value of our fixed income securities at December 31, 2006.
 
                 
    Amount     %  
 
One year or less
  $ 149,192       5 %
One year to five years
    657,305       22  
Five years to ten years
    593,783       20  
Ten years to fifteen years
    408,301       13  
More than fifteen years
    412,570       14  
                 
Securities with fixed maturities
    2,221,151       74  
Asset-backed and mortgage-backed securities
    786,042       26  
                 
Total fixed income securities
  $ 3,007,193       100 %
                 
 
The weighted average life of our asset-backed and mortgage-backed securities is 6.7 years.
 
The market value of our fixed income securities is sensitive to changing interest rates. As interest rates increase, the market value will generally decrease and as rates decrease, the market value will generally increase. The fluctuations in market value are somewhat muted by the relatively short duration of our portfolio and our relatively high level of investments in state and municipal obligations. During 2006, the net pre-tax unrealized loss on our fixed income securities decreased $6.9 million due to market value changes. We estimate that a 1% increase in interest rates would decrease the market value of our fixed income securities by approximately $138.3 million and a 1% decrease would increase the market value by a like amount. Fluctuations in interest rates have a minimal effect on the value of our short-term investments due to their very short maturities. In our current position, higher interest rates would have a positive effect on net earnings.
 
Some of our fixed income securities have call or prepayment options. This could subject us to reinvestment risk should interest rates fall or issuers call their securities and we reinvest the proceeds at lower interest rates. In addition, for asset-backed and mortgage-backed securities, prepayment risk could reduce the yield we realize on the remaining principal of these securities. We mitigate this risk by investing in securities with varied maturity dates, so that only a portion of our portfolio will mature at any point in time.
 
The average duration of claims in many of our lines of business is relatively short and, accordingly, our investment portfolio has a relatively short duration. In recent years, we have expanded the directors’ and officers’ liability and professional indemnity components of our diversified financial products line of business, which have a longer claims duration than our other lines of business. We are taking these changes into consideration in determining the duration of our investment portfolio.
 
The following table compares our insurance company subsidiaries’ cash and investment maturities with their estimated future claims payments at December 31, 2006.
 
                                         
          Maturities/Estimated Payment Dates  
    Total     2007     2008-2009     2010-2011     Thereafter  
 
Cash and investment maturities of insurance companies
  $ 3,696,611     $ 880,754     $ 662,770     $ 632,797     $ 1,520,290  
Estimated loss and loss adjustment expense payments, net of reinsurance
    2,108,961       748,517       704,248       369,517       286,679  
                                         
Estimated available cash flow
  $ 1,587,650     $ 132,237     $ (41,478 )   $ 263,280     $ 1,233,611  
                                         
 
As demonstrated in the above table, we maintain sufficient liquidity to pay anticipated policyholder claims on their expected payment dates. In addition, we can use current operating cash flow to pay claims as they become due. We manage the liquidity of our insurance company subsidiaries such that each subsidiary’s


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anticipated claims payments will be met by its own current operating cash flows, cash, short-term investments or investment maturities. We do not foresee the need to sell securities prior to their maturity to fund claims payments, nor do we anticipate needing to use our $300.0 million Revolving Loan Facility to pay claims. However, this credit facility can provide additional short-term liquidity if an unexpected event were to occur.
 
Contractual Obligations
 
The following table presents a summary of our total contractual cash payment obligations by estimated payment date at December 31, 2006.
 
                                         
          Estimated Payment Dates  
    Total     2007     2008-2009     2010-2011     Thereafter  
 
Gross loss and loss adjustment expense payable(1)
                                       
Diversified financial products
  $ 1,290,310     $ 306,240     $ 522,171     $ 303,908     $ 157,991  
Group life, accident and health
    333,013       280,913       43,820       6,859       1,421  
Aviation
    172,311       87,246       57,470       19,315       8,280  
London market account
    454,220       210,048       189,102       48,758       6,312  
Other specialty lines
    233,564       79,748       95,130       39,682       19,004  
Discontinued lines
    613,633       96,145       178,473       123,875       215,140  
                                         
Total loss and loss adjustment expense payable
    3,097,051       1,060,340       1,086,166       542,397       408,148  
Life and annuity policy benefits
    70,923       1,995       3,822       3,607       61,499  
1.30% Convertible Notes(2)(3)
    125,789       125,789                    
2.00% Convertible Exchange Notes(2)(3)
    173,896       173,896                    
Other notes payable(3)
    12,896       993       11,014       508       381  
$300.0 million Revolving Loan Facility
                             
Operating leases
    85,143       9,202       21,067       18,119       36,755  
Earnout liabilities
    47,685       43,180       4,505              
Indemnifications
    16,897       4,295       3,240       5,843       3,519  
                                         
Total obligations
  $ 3,630,280     $ 1,419,690     $ 1,129,814     $ 570,474     $ 510,302  
                                         
 
    In preparing the previous table, we made the following estimates and assumptions.
 
(1)  The estimated loss and loss adjustment expense payments for future periods assume that the percentage of ultimate losses paid from one period to the next will be relatively consistent over time. Actual payments will be influenced by many factors and could vary from the estimated amounts above.
 
(2)  The 1.30% Convertible Notes mature in 2023 and the 2.00% Convertible Exchange Notes mature in 2021, but are shown in the 2007 column since they may be surrendered for cash at the option of the holders in the first quarter of 2007 because our stock traded at specified price levels in the fourth quarter of 2006. Both convertible notes have various put and redemption dates as disclosed in Note 6 to the Consolidated Financial Statements.
 
(3)  Amounts include interest payable in respective periods.
 
Our acquisitions of HCC Global Financial Products, LLC (HCC Global) and Covenant Underwriters, Ltd. and Continental Underwriters Ltd. (collectively, CUL) include a contingency for earnout payments based on earnings after the acquisition date, as defined in the purchase agreement. When the conditions for accrual have


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been satisfied under the applicable purchase agreement, we record a liability to the former owners with an offsetting increase to goodwill. Accrued amounts are generally paid in the next year. At December 31, 2006, we accrued earnouts totaling $47.7 million related to these two acquisitions. The purchase agreement for HCC Global requires us to pay an earnout based on pre-tax earnings on business underwritten by HCC Global from the acquisition date through September 30, 2007, with no maximum amount due to the former owners. The contractual pre-tax earnings include underwriting results on longer-duration business written by HCC Global and, per the agreement, the earnout cannot be finally determined until all future losses are paid. The purchase agreement for CUL provides for a maximum earnout of $15.0 million based on CUL’s 2004 through 2006 pre-tax earnings, but could be reduced based on the ultimate underwriting results for those years.
 
In conjunction with the sales of business assets and subsidiaries, we have provided indemnifications to the buyers. Certain indemnifications cover typical representations and warranties related to our responsibilities to perform under the sales contracts. Other indemnifications agree to reimburse the purchasers for taxes or ERISA-related amounts, if any, assessed after the sale date but related to pre-sale activities. We cannot quantify the maximum potential exposure covered by all of our indemnifications because the indemnifications cover a variety of matters, operations and scenarios. Certain of these indemnifications have no time limit. For those with a time limit, the longest such indemnification expires on December 31, 2009.
 
We accrue a loss related to our indemnifications when a valid claim is made by a buyer and we believe we have potential exposure. We currently have several claims under indemnifications that cover certain net losses alleged to have been incurred in periods prior to our sale of certain subsidiaries or otherwise alleged to be covered under indemnification agreements related to such sales. As of December 31, 2006, we have recorded a liability of $16.9 million and have provided $5.2 million of letters of credit to cover our obligations or anticipated payments under these indemnifications.
 
Pursuant to our by-laws, Delaware Corporate law and certain contractual agreements, we are required to advance attorneys’ fees and other expenses and indemnify our current and former Directors and officers for liabilities arising from any action, suit or proceeding brought because the individual was acting as an officer or director of our company. Under certain limited circumstances, the individual may be required to reimburse us for any advances or indemnification payments made by us. In addition, we maintain directors’ and officers’ liability insurance, which may cover certain of these costs. We expense payments as advanced and recognize offsets if cash reimbursement is received. During 2006, we expensed $1.3 million of attorneys’ fees incurred by current and former Directors and officers who claimed the right to indemnity in conjunction with our stock option investigation. It is not possible to determine the maximum potential impact on our consolidated net earnings, since our by-laws, Delaware law and our contractual agreements do not limit any such advances or indemnification payments.
 
Subsidiary Dividends
 
The principal assets of HCC are the shares of capital stock of its insurance company subsidiaries. Historically, we have not relied on dividends from our insurance companies to meet the parent holding company’s obligations, which are primarily outstanding debt and debt service obligations, dividends to shareholders and corporate expenses, since we have had sufficient cash flow from our agencies and intermediaries to meet our corporate cash flow requirements. However, as more profit is now expected to be earned in our insurance companies, we may have to partially depend on cash flow from our insurance companies in the future.
 
The payment of dividends by our insurance companies is subject to regulatory restrictions and will depend on the surplus and future earnings of these subsidiaries. HCC’s direct domestic insurance company subsidiaries can pay an aggregate of $172.1 million in dividends in 2007 without obtaining special permission from state regulatory authorities. In 2006, 2005 and 2004, our insurance company subsidiaries paid HCC dividends of $44.0 million, $50.0 million and $20.0 million, respectively. The 2005 and 2004 dividends were then contributed to another insurance company subsidiary.


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Lines of Credit
 
Our $300.0 million Revolving Loan Facility allows us to borrow up to the maximum allowed by the facility on a revolving basis until the facility expires on November 30, 2009. The facility is collateralized in part by the pledge of our insurance companies’ stock and by guarantees entered into by our underwriting agencies and reinsurance brokers. The facility agreement contains certain restrictive covenants, which we believe are typical for similar financing arrangements. We had no borrowings under this facility at December 31, 2006.
 
In 2006, we entered into a $34.0 million Standby Letter of Credit Facility and utilized that facility to replace a portion of our funds at Lloyd’s of London with standby letters of credit. Letters of credit issued under the Standby Letter of Credit Facility are unsecured commitments of HCC. The Standby Letter of Credit Facility contains standard restrictive covenants, which in many cases are identical to or incorporate by reference the restrictive covenants from our Revolving Loan Facility.
 
At December 31, 2006, certain of our subsidiaries maintained revolving lines of credit with a bank in the combined maximum amount of $40.7 million available through November 30, 2009. Advances under the lines of credit are limited to amounts required to fund draws, if any, on letters of credit issued by the bank on behalf of the subsidiaries and short-term direct cash advances. The lines of credit are collateralized by securities having an aggregate market value of up to $50.8 million, the actual amount of collateral at any one time being 125% of the aggregate amount outstanding. Interest on the lines is payable at the bank’s prime rate of interest (8.25% at December 31, 2006) for draws on the letters of credit and either prime or prime less 1% on short-term cash advances. At December 31, 2006, letters of credit totaling $20.0 million had been issued to insurance companies by the bank on behalf of our subsidiaries, with total securities of $24.9 million collateralizing the lines.
 
Other
 
Our debt to total capital ratio was 13.1% at December 31, 2006 and 15.5% at December 31, 2005.
 
In the second quarter of 2006, we filed a “Universal Shelf” registration statement with the SEC, which replaced our previously filed registration statements and provides for the issuance of an aggregate of $1.0 billion of our securities. These securities may be debt securities, equity securities, trust preferred securities, or a combination thereof. We sold 4.7 million and 4.5 million shares of our common stock at prices of $32.05 and $22.17 per share in 2005 and 2004, respectively, under our shelf registrations. Net proceeds of $150.0 million in 2005 were used to make $108.0 million of capital contributions to our insurance company subsidiaries and to fund acquisitions. We used the net proceeds of $96.7 million in 2004 to make a $75.0 million capital contribution to an insurance company subsidiary and $17.0 million to pay down bank debt.
 
As a result of the delayed filing of our Quarterly Reports on Form 10-Q for the second and third quarters of 2006, we are ineligible to register our securities on Form S-3 or use our previously filed universal shelf registration statement for one year after December 27, 2006, the date these reports were filed with the SEC. We may use Form S-1 to raise capital and borrow money utilizing public debt or to complete acquisitions of other companies, which could increase transaction costs and adversely impact our ability to raise capital and borrow money or complete acquisitions in a timely manner.
 
In connection with a voluntary independent investigation by a Special Committee of the Board of Directors of our past practices related to granting stock options, the SEC commenced an informal inquiry into our option pricing practices. We have provided the results of our internal review and independent investigation to the SEC and we have responded to informal requests for documents and additional information. We intend to fully cooperate with the SEC. We are unable to predict the outcome of or the future costs related to the informal inquiry, but it may result in additional professional fees including our advancement of attorneys’ fees incurred by our Directors, certain officers and certain former executives and directors; may continue to occupy the time and attention of our management team; and could negatively impact our business and our ability to raise and borrow additional funds in the future. Furthermore, if we are subject to adverse findings in this or


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any other regulatory proceeding or governmental enforcement action, we could be required to pay damages and penalties or have other remedies imposed, which could harm our business, financial condition, results of operations and cash flows.
 
As a result of the investigation, we had to record non-cash compensation expense in each year from 1997 through 2006. To correct these accounting errors, we restated our consolidated financial statements for the applicable periods and filed our Annual Report on Form 10-K/A for 2005 and our Quarterly Report on Form 10-Q/A for the first quarter of 2006 on December 27, 2006. The investigation and restatements have exposed us to greater risks associated with litigation. Publicity resulting from these actions may materially adversely affect us, regardless of the cause or effect of the actions. Since December 31, 2006, two derivative actions have been filed naming a number of current and former officers and Directors. The Company is a nominal defendant. We cannot assure you about the outcome of these two derivative lawsuits or any future litigation. The conduct and resolution of litigation could be time consuming, expensive, cause us to have to advance expenses in certain instances to current and former officers and Directors, and may distract management from the conduct of our business. In addition, damages and other remedies awarded in any such litigation could harm our business and financial condition.
 
In connection with our stock option investigation, we incurred $14.2 million of expense for professional services, consulting fees and other related charges. The total includes accruals of $4.3 million for the estimated cost to reimburse certain employees for their lost spread on discounted options and $2.3 million for our estimated liability to pay our employees’ personal tax liabilities under Section 409A of the Internal Revenue Code for options exercised in 2006. Section 409A imposes certain restrictions and additional taxes on the recipients of discounted options. Prior to December 31, 2006, the final date allowable under Section 409A, Directors and certain officers agreed to reprice their unexercised discounted options to the closing price on the actual accounting measurement date as determined by the investigation; therefore, these options are no longer subject to Section 409A. Prior to December 31, 2007, the final date allowable under Section 409A, we intend to offer all other employees who received discounted options the same opportunity to reprice their options to also relieve them from Section 409A taxation. Employees accepting the offer will receive cash payments sufficient to reimburse them for the reduced value of their repriced options, calculated as the difference between the original strike price of the option and the closing price of our stock on the actual accounting measurement date. We expect to pay up to several million dollars for additional professional services fees in the next few months associated with matters emanating from the investigation.
 
We believe that our operating cash flows, investments, Revolving Loan Facility and other sources of liquidity are sufficient to meet our operating needs for the foreseeable future.
 
Impact of Inflation
 
Our operations, like those of other property and casualty insurers, are susceptible to the effects of inflation because premiums are established before the ultimate amounts of loss and loss adjustment expense are known. Although we consider the potential effects of inflation when setting premium rates, our premiums, for competitive reasons, may not fully offset the effects of inflation. However, because the majority of our business is comprised of lines that have relatively short lead times between the occurrence of an insured event, reporting of the claims to us and the final settlement of the claims, or have claims that are not significantly impacted by inflation, the effects of inflation are minimized.
 
A portion of our revenue is related to healthcare insurance and reinsurance products that are subject to the effects of the underlying inflation of healthcare costs. Such inflation in the costs of healthcare tends to generate increases in premiums for medical stop-loss coverage, resulting in greater revenue but also higher claim payments. Inflation also may have a negative impact on insurance and reinsurance operations by causing higher claim settlements than may originally have been estimated, without an immediate increase in premiums to a level necessary to maintain profit margins. We do not specifically provide for inflation when setting underwriting terms and claim reserves, although we do consider trends. We continually review claim reserves to assess their adequacy and make necessary adjustments.


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Inflation can also affect interest rates. Any significant increase in interest rates could have a material adverse effect on the market value of our investments. In addition, the interest rate payable under our Revolving Loan Facility fluctuates with market interest rates. Any significant increase in interest rates could have a material adverse effect on our net earnings, depending on the amount borrowed on that facility.
 
Foreign Exchange Rate Fluctuations
 
We underwrite risks that are denominated in a number of foreign currencies. As a result, we have receivables and payables in foreign currencies and we establish and maintain loss reserves with respect to our insurance policies in their respective currencies. Our net earnings could be impacted by exchange rate fluctuations affecting these balances. Our principal area of exposure is related to fluctuations in the exchange rates between the British pound sterling, the Euro and the U.S. dollar. We constantly monitor the balance between our receivables and payables and loss reserves to mitigate the potential exposure should an imbalance be expected to exist for other than a short period of time. Our gain (loss) from currency conversion was zero in 2006 compared to $(1.0) million in 2005 and $1.2 million in 2004.
 
Critical Accounting Policies
 
The preparation of our consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (generally accepted accounting principles) requires us to make estimates and assumptions when applying our accounting policies. The following sections provide information about our estimation processes related to certain of our critical accounting policies.
 
Loss and Loss Adjustment Expense
 
Our net loss and loss adjustment expense reserves are composed of reserves for reported losses and reserves for incurred but not reported losses, less a reduction for reinsurance recoverables related to those reserves. Reserves are recorded by product line and are undiscounted, except for reserves related to acquisitions.
 
The process of estimating our loss and loss adjustment expense reserves involves a considerable degree of judgment by management and is inherently uncertain. The recorded reserves represent management’s best estimate of unpaid loss and loss adjustment expense by line of business. Because we provide insurance coverage in specialized lines of business that often lack statistical stability, management considers many factors, and not just the actuarial point estimates discussed below, in determining ultimate expected losses and the level of net reserves required and recorded.
 
To record reserves on our lines of business, we utilize expected loss ratios, which management selects based on the following: 1) information used to price the applicable policies, 2) historical loss information where available, 3) any public industry data for that line or similar lines of business and 4) an assessment of current market conditions. Management also considers the point estimates and ranges calculated by our actuaries, together with input from our experienced underwriting and claims personnel. Because of the nature and complexities of the specialized types of business we insure, management may give greater weight to the expectations of our underwriting and claims personnel, who often perform a claim by claim review, rather than to the actuarial estimates. However, we utilize the actuarial point and range estimates to monitor the adequacy and reasonableness of our recorded reserves.
 
Each quarter-end, management compares recorded reserves to the most recent actuarial point estimate and range for each line of business. If the recorded reserves vary significantly from the actuarial point estimate, management determines the reasons for the variances and may adjust the reserves up or down to an amount that, in management’s judgment, is adequate based on all of the facts and circumstances considered, including the actuarial point estimates. We consistently maintain total consolidated net reserves above the total actuarial point estimate but within the actuarial range.


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The table below shows our recorded net reserves at December 31, 2006 by line of business, the actuarial reserve point estimates, and the high and low ends of the actuarial reserve range as determined by our reserving actuaries.
 
                                 
    Recorded
    Actuarial
    Low End of
    High End of
 
    Net Reserves     Point Estimate     Actuarial Range     Actuarial Range  
 
Total net reserves
  $ 2,108,961     $ 2,064,336     $ 1,931,642     $ 2,261,589  
                                 
Individual lines of business:
                               
Diversified financial products
  $ 848,636     $ 843,742     $ 729,862     $ 997,876  
Group life, accident and health
    317,176       312,099       287,772       342,642  
Aviation
    104,213       101,127       93,923       110,146  
London market account
    205,684       194,894       185,149       220,027  
Other specialty lines
    151,928       144,208       136,440       162,655  
Discontinued lines
    481,324       468,266       409,577       568,096  
                                 
Total net reserves
  $ 2,108,961                          
                                 
 
The excess of the total recorded net reserves over the actuarial point estimate was 2.2% of recorded net reserves at December 31, 2006 compared to 1.6% at December 31, 2005. The percentage will vary in total and by line depending on the potential volatility of the line, the severity of claims reported and of claims incurred but not reported, management’s judgment with respect to the risk of development, the nature of business acquired in acquisitions and historical development patterns.
 
The actuarial point estimates represent our actuaries’ estimate of the most likely amount that will ultimately be paid to settle the net reserves we have recorded at a particular point in time. While, from an actuarial standpoint, a point estimate is considered the most likely amount to be paid, there is inherent uncertainty in the point estimate, and it can be thought of as the expected value in a distribution of possible reserve estimates. The actuarial ranges represent our actuaries’ estimate of a likely lowest amount and highest amount that will ultimately be paid to settle the net reserves we have recorded at a particular point in time. While there is still a possibility of ultimately paying an amount below the range or above the range, the actuarial probability is very small. The range determinations are based on estimates and actuarial judgments and are intended to encompass reasonably likely changes in one or more of the variables that were used to determine the point estimates.
 
The low end of the actuarial range and the high end of the actuarial range for the total net reserves will not equal the sum of the low and high ends for the individual lines of business. Moreover, in actuarial terms, it would not be appropriate to add the ranges for each line of business to obtain a range around the total net reserves because this would not reflect the diversification effects across our various lines of business. The diversification effects result from the fact that losses across the different lines of business are not completely correlated.
 
In actuarial practice, some of our lines of business are more effectively modeled by a statistical distribution that is skewed or non-symmetric. These distributions are usually skewed towards large losses, which causes the midpoint of the range to be above the actuarial point estimate or mean value of the range. This should be kept in mind when using the midpoint as a proxy for the mean. Our assumptions, estimates and judgments can change based on new information and changes in conditions and, if they change, it will affect the determination of the range amounts.


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Table of Contents

 
The following table details, by major products within our lines of business, the characteristics and major actuarial assumptions utilized by our actuaries in the determination of actuarial point estimates and ranges. We considered all major lines of business written by the insurance industry when determining the relative characteristics of claims duration, speed of loss reporting and reserve volatility. Other companies may classify their own insurance products in different lines of business or utilize different actuarial assumptions.
 
                         
            Claims
       
            Characteristics        
                Speed of
       
                Loss
  Reserve
  Major Actuarial
Line of Business
  Products   Underwriting   Duration   Reporting   Volatility   Assumptions
 
Diversified financial products
  Directors’ and
officers’ liability
  Primary
 
  Medium to
Long
  Moderate
 
  Medium to
High
  Historical and industry
loss reporting patterns
    Professional
indemnity
  Primary
 
  Medium
 
  Moderate
 
  Medium
 
  Historical loss reporting
patterns
    Surety
 
  Primary
 
  Medium
 
  Fast
 
  Low
 
  Historical loss payment
and reporting patterns
Group life, accident and health
  Medical stop-loss
 
  Primary
 
  Short
 
  Fast
 
  Low
 
  Medical cost and
utilization trends
                        Historical loss payment
and reporting patterns
                        Rate changes
Aviation
  Aviation
 
  Primary and
subscription
  Medium
 
  Fast
 
  Medium
 
  Historical loss payment
and reporting patterns
London market account
  Accident and health
 
  Primary
and assumed
  Medium to
Long
  Slow
 
  High
 
  Historical loss payment
and reporting patterns
    Energy*
 
  Subscription
 
  Medium
 
  Moderate
 
  Medium
 
  Historical loss payment
and reporting patterns
    Property*
 
  Subscription
 
  Medium
 
  Moderate
 
  Medium
 
  Historical loss payment
and reporting patterns
                        Historical large loss experience
    Marine
 
  Subscription
 
  Medium
 
  Moderate
 
  Medium
 
  Historical loss payment
and reporting patterns
                        Historical large loss experience
Other specialty
  Liability
 
  Primary and assumed
 
  Medium
 
  Moderate
 
  Medium
 
  Historical loss payment
and reporting patterns
    Property
 
  Primary and assumed
 
  Short
 
  Fast
 
  Low
 
  Historical loss payment
and reporting patterns
Discontinued
  Accident
and health reinsurance
 
  Assumed
 
 
  Long
 
 
  Slow
 
 
  High
 
 
  Historical and industry
loss payment and reporting patterns
 
 
Includes catastrophe losses
 
Assumed reinsurance represented 20% of our gross written premium in 2006 and 35% of our gross reserves at December 31, 2006. Approximately 41% of the assumed reinsurance reserves related to run-off assumed accident and health reinsurance business in our discontinued lines, 17% related to assumed reinsurance in our London market account, 14% related to the assumed business in our group life, accident and health line of business, and 11% related to assumed reinsurance in our aviation and diversified financial products lines of business. The remaining assumed reinsurance reserves covered various minor reinsurance programs. The table above recaps the underwriting, claims characteristics and major actuarial assumptions for our assumed reinsurance business.
 
The run-off assumed accident and health reinsurance business is primarily reinsurance that provides excess coverage for large losses related to workers’ compensation policies. As discussed previously, we recorded $4.9 million of adverse