Quarterlytics / Financial Services / Insurance - Property & Casualty / W. R. Berkley

W. R. Berkley

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Ticker wrb
Exchange NYSE
Sector Financial Services
Industry Insurance - Property & Casualty
Employees 5001-10,000
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FY2017 Annual Report · W. R. Berkley
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W. R. Berkley Corporation
2017 Annual Report

 
 
 
 
 
 
 
 
 
 
TABLE OF CONTENTS 
Financial Highlights  2    |    At A Glance  4    |    Our Business  8    |    Letter to Our Shareholders  14    |    Investments  20       
Segment Overview  22    |    Form 10-K  27     |    Operating Units  165    |    Board of Directors & Officers  179    |    Corporate Information  IBC

During the rapid industrialization of the early 20th century, people began to migrate to the burgeoning 

urban centers of America. It was a time of idealism and optimism, and people were bullish about  

the future. These trading cards with “go get-em” inspirational language were handed out by industrial 

companies to their employees like baseball cards. 

We, too, are optimistic about the future. Our values and principles are not printed on fancy plaques hung 

on the walls of our offices, but are demonstrated every day at each of our operating units in the way we 

conduct our business, engage with our team members and give back to our communities. 

Our people have always been our greatest asset and will continue to be for generations to come. We 

recognize that the children in our lives represent the future of the culture that make our Company unique, 

so we invited them to submit original artwork illustrating what their parent, grandparent, aunt or uncle 

does each day. On the following pages, you will see these values reflected in the artwork of our children. 

Everything Counts, Everyone Matters®

2017  
Financial Highlights

By taking advantage of 
challenging opportunities 
and bringing together 
talented people and capital, 
we feel confident we will be 
able to continue to deliver 
outstanding returns.

2   |

COMBINED RATIO
averaged 94.7% over the past 5 years.

96.7%

TOTAL REVENUES 
increased 32% over the past 5 years.

$7.7Billion
$44.53

BOOK VALUE PER SHARE 
grew 41% over the past 5 years.

TOTAL RETURN 
5-year cumulative growth in stock price plus  
dividends was 104%.

10.1%

SCOTT N. 
Agribusiness Underwriter
Continental Western Group

“  Coming to work every day as an Ag Underwriter for Berkley is like going to 

work at a second home. Berkley is one united family moving forward to 
support a community. My family sees this support not only in their own lives 
but also in the communities we service, and it is greatly appreciated.”

“ My dad told me he is an Agribusiness Underwriter.”

  Shelbie—Age 18, Daughter of Scott N., Agribusiness Underwriter

page 3

AT A GLANCE

TOTAL REVENUES
(dollars in billions)

INVESTMENTS
Market Value (dollars in billions)

7.1

7.2

6.4

7.7

7.7

14.5

15.6

15.4

17.5

16.6

2013

2014

2015

2016

2017

2013

2014

2015

2016

2017

RESERVES FOR LOSSES AND LOSS EXPENSES
(dollars in billions)

COMMON STOCKHOLDERS’ EQUITY*
(dollars in billions)

10.1

10.4

10.7

11.2

11.7

4.3

4.6

4.6

5.4

5.0

2013

2014

2015

2016

2017

2013

2014

2015

2016

2017

* Net of $1.2 billion in special dividends and shares repurchased 
from 2013-2017

4   |

page 4

KAREN H. 
Vice President, External Financial Communications
W. R. Berkley Corporation

“  Before I came to Berkley, I got to know the Company and what made it so 

special as an analyst. After joining over 12 years ago, it has become crystal clear 
that its unique culture and adherence to core values are key elements to our 
long-term success. This atmosphere has made quite an impression on my 
children, and I know that as I prepare to send them out into the world, they go 
with a greater knowledge of what can be.”

“ My mom’s job is to tell everyone how GREAT Berkley is!  
She’s the company cheerleader.”

  Angelina—Age 17, Daughter of Karen H., Vice President, External Financial Communications  

SELECTED FINANCIAL DATA

In thousands, except per share data

Years ended December 31,

Total revenues

Net premiums written

Net investment income

Net realized investment gains

Insurance service fees

Net income to common stockholders

NET INCOME PER COMMON SHARE

Basic

Diluted

Return on common stockholders’ equity

AT YEAR END

Total assets

Total investments

Reserves for losses and loss expenses

Common stockholders’ equity

Common shares outstanding

Common stockholders’ equity per share

2013

$6,408,534

5,500,173

544,291

127,586

107,513

499,925

2014

$7,128,928

5,996,947

600,885

254,852

117,443

648,884

2015

2016

2017

$7,206,457

$7,654,184

$7,684,764

6,189,515

512,645

125,663

139,440

503,694

6,423,913

6,260,508

564,163

285,119

138,944

601,916

575,788

335,858

134,729

549,094

3.69

3.55

11.6%

5.07

4.86

15.0%

4.06

3.87

11.0%

4.91

4.68

13.1%

4.40

4.26

10.9%

$20,551,796

14,458,630

10,080,941

4,336,035

132,233

32.79

$21,716,691

$21,730,967

$23,364,844

$24,299,917

15,591,824

10,369,701

4,589,945

126,749

36.21

15,351,467

10,669,150

4,600,246

123,308

37.31

16,649,792

17,450,508

11,197,195

11,670,408

5,047,208

5,411,343

121,194

41.65

121,515

44.53

6   |

 
 
RELATIVE STOCK PRICE PERFORMANCE

■  W. R. Berkley Corporation      ■   S&P 500®

CUMULATIVE GROWTH 

8,231%

1,499%

86

87

88

89

90

91

92

93

94

95

96

97

98

99

00

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

W. R. Berkley Corporation   |   2017 Annual Report   |   7

     
  
   
Our Business

Today, as yesterday and 
tomorrow, the combined 
expertise of underwriting, 
risk management, claims 
handling and investing  
will deliver outstanding  
risk-adjusted returns. 

8   |

INSURANCE

The Insurance units underwrite predominately commercial 

insurance business, including excess and surplus lines and 

admitted lines, and specialty personal lines, throughout the 

United States, as well as insurance business in the United 

Kingdom, Continental Europe, South America, Canada, 

Scandinavia, Australia and Asia. 

2017 RESULTS 

Total revenues were 

$6.2billion

Pre-tax income was

$756million

REINSURANCE
The Reinsurance units write reinsurance business on 

a facultative and treaty basis, primarily in the United 

States, United Kingdom, Continental Europe, Australia, 

the Asia-Pacific Region and South Africa.

2017 RESULTS

Total revenues were 

Pre-tax loss was

$696million

$15million

LAURA B. 
EmCap Underwriting Supervisor
Berkley Accident and Health  

“ As a captive underwriter, I get to work closely 

with our clients to service their needs and 
provide solutions. Being a part of Berkley,  
I am able to show my daughters that when  
we work together through positive teamwork 
and collaboration, wonderful things can  
be achieved.”

“ I think my mom sits at her desk and reads stories about people with health 
problems. These people don’t have enough money to pay for it. So my mom  
helps them. That’s what I think my mom does at work.”

  Maelyn—Age 8, Daughter of Laura B., EmCap Underwriting Supervisor

OUR COMPANY

W. R. Berkley Corporation, founded in 1967, is one of the nation’s premier commercial 
lines property casualty insurance providers. Each of the operating units within 
Berkley participates in a niche market requiring specialized knowledge about a 
territory or product.

Our competitive advantage lies in our long-term strategy of decentralized operations, allowing each of our units to 

identify and respond quickly and effectively to changing market conditions and local customer needs. This decentralized 

structure provides financial accountability and incentives to local management and enables us to attract and retain the 

highest caliber professionals. We have the expertise and resources to utilize our strengths in the present environment, 

and the flexibility to anticipate, innovate and respond to whatever opportunities and challenges the future may hold.

HOW WE ARE DIFFERENT

Risk-Adjusted Returns
Management company-wide is focused on obtaining 

Responsible Financial Practices
Risk exposures are managed proactively. A strong 

the best potential returns with a real understanding 

balance sheet, including a high-quality investment 

of the amount of risk being assumed. Superior risk-

portfolio, ensures ample resources to grow the business 

adjusted returns are generated over the insurance cycle. 

profitably whenever there are opportunities to do so. 

Accountability
The business is operated with an ownership 

Transparency
Consistent and objective standards are used to 

perspective and a clear sense of fiduciary responsibility 

measure performance — and, the same standards  

to shareholders.

are used regardless of the environment.

People-Oriented Strategy
New businesses are started when opportunities 

are identified and, most importantly, when the right 

talent is found to lead a business. Of the Company’s 

54 operating units, 47 were developed internally and 

seven were acquired. 

10   |

CHRISTINA C. 
Underwriting Manager, Executive Liability
Berkley Select

“  I started working for Berkley as a junior underwriter in January of 2001. During 

my time here, I’ve established numerous business relationships, been married, 
had children, and advanced my career within the company. Quite simply, I grew 
up here. I want my son to know that hard work and dedication always pay off 
when you work for a company you believe in.”

“ My mom flies to different places to sell insurance policies  
that protect companies.”

  Peter—Age 11, Son of Christina C., Underwriting Manager, Executive Liability

W. R. BERKLEY CORPORATION’S  
PERFORMANCE VS. THE S&P 500®

■  W. R. Berkley Corporation     ■   S&P 500®

65,000%

40,000%

20,000%

0%

63,815%

1974

1976

1978

1980

1982

1984

1986

1988

1990

1992

1994

1996

1998

2000

2002

2004

2006

2008

2010

2012

2014

2016 2017

Notes: W. R. Berkley Corporation’s book value per share has been adjusted for stock dividends paid from 1975 to 1983. Stock dividends were 6% in each 
year from 1975 to 1978, 14% in 1979, and 7% in each year from 1980 to 1983. The Company has paid cash dividends each year since 1976.

ANNUAL PERCENTAGE CHANGE

In Per-Share Book Value of W. R. Berkley Corporation with Dividends Included
(1)
50.0%
12.5%
29.6%
28.6%
24.4%
18.2%
9.4%
14.5%
-9.0%
-11.6%
-16.9%
59.6%
106.8%
23.5%
22.5%
13.2%
7.8%
20.8%
13.5%
16.7%
-10.8%
34.5%
7.9%
15.9%
1.9%
-18.1%
17.1%
7.6%
31.2%
26.7%
25.6%
21.9%
30.1%
16.3%
-4.1%
23.3%
15.4%
12.2%
14.8%
4.8%
14.8%
4.3%
15.7%
10.6%
17.1%
57,900%

Year
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
Average Annual Gain  — 1974–2017
Overall Gain  — 1973–2017
Overall gain 1973–2017 with dividends compounded = 63,815%

12  |

In S&P 500® with Dividends Included 
(2)
-26.4%
37.2%
23.6%
-7.4%
6.4%
18.2%
32.3%
-5.0%
21.4%
22.4%
6.1%
31.6%
18.6%
5.1%
16.6%
31.7%
-3.1%
30.5%
7.6%
10.1%
1.3%
37.6%
23.0%
33.4%
28.6%
21.0%
-9.1%
-11.9%
-22.1%
28.7%
10.9%
4.9%
15.8%
5.5%
-37.0%
26.5%
15.1%
2.1%
16.0%
32.4%
13.7%
1.4%
12.0%
21.3%
12.5%
9,841%

Relative Results
(1)-(2)
76.4%
-24.7%
6.0%
36.0%
18.0%
0.0%
-22.9%
19.5%
-30.4%
-34.0%
-23.0%
28.0%
88.2%
18.4%
5.9%
-18.5%
10.9%
-9.7%
5.9%
6.6%
-12.1%
-3.1%
-15.1%
-17.5%
-26.7%
-39.1%
26.2%
19.5%
53.3%
-2.0%
14.7%
17.0%
14.3%
10.8%
32.9%
-3.2%
0.3%
10.1%
-1.2%
-27.6%
1.1%
3.0%
3.7%
-10.7%
4.6%

MICHAEL N. 
Corporate Investments
W. R. Berkley Corporation

“  To me, being part of the Berkley community means seeking improvement every 

day, and working with leaders that embrace that goal and who are empowered to 
take action to get there. One important theme in our house is that if you choose to 
pursue something—a sport, an instrument, building a skill—you go ‘all in’ and you 
own the outcome. I share anecdotes from my role at Berkley with our kids to 
reinforce these points, so they see the importance of passion, hard work, and 
commitment, and I’m proud to work at a company that shares those same values.”

“ My dad travels the globe, helps companies grow, and writes on a whiteboard.”

  Alexandra—Age 10, Daughter of Michael N., Director – Corporate Investments

To Our Shareholders

W. Robert Berkley, Jr., President and Chief Executive Officer & William R. Berkley, Executive Chairman

By most measures, our performance 
in 2017 was outstanding even though 
we did not achieve our long-term 
targeted return on equity of 15%. While 
many sectors of our industry suffered 
adverse consequences, we were able 
to overcome most of those issues 
and still deliver an excellent 11% risk-
adjusted return to our shareholders.

Our results were especially noteworthy because  
they were achieved in the face of low interest rates,  
high catastrophic losses and substantial competition 
in the pricing of insurance products. The management 
of our Company has a total focus on optimizing risk-
adjusted returns. This year’s results clearly demonstrated 
that focus.

An annual letter is a reflection of how the Company 
has done in the most recent year, yet it is important to 
recognize that results in any given twelve month period 
can be diminished or enhanced by actions taken to 
create a better long-term outcome. We always have  
to consider what we have accomplished in building  
and improving our enterprise for the long run in order  
to deliver on our objective of long-term value creation 

14   |

 (Illustration on the left)  
“My dad makes farms safer and prevents accidents.”  
Alexis—Age 13, Daughter of Paul S., Director, Risk Control Technical Services, Berkley Agribusiness

“ As a member of the Risk Control team I am able to demonstrate the value that Berkley places on developing innovative approaches  
to create safe work environments for our customers. Discussing how our efforts impact the lives of others with my children shows them 
how companies can care about people and corporate results all at the same time.” —Paul S.

for shareholders. In addition to managing our volatility 
and protecting against the unforeseen event, we 
constantly invest in a better future for our Company 
by building intellectual capital through technology, new 
products and new businesses. Many of these endeavors 
can impact our annual results, but they build more 
attractive economics over the long run. For example, 
investing a portion of our portfolio for total return results 
in us giving up some ordinary investment income but 
provides us with a potential stream of substantial capital 
gains. The consequences of this may be less operating 
income than we otherwise would have, however it can 
increase our potential for total earnings over the term 
of the investment. Similarly, starting new companies will 
result in an increase in expenses for their initial startup 
period, yet it provides for better returns with less risk 
once they have reached scale. We always look for high-
quality companies to buy. Most of the time, prices and 
balance sheet or cultural issues make startups a better 
long-term proposition. We find few great companies 
available for sale at a rational price.

Consequently, understanding the performance of our 
Company requires a clear conceptual appreciation of all 
aspects of the property casualty insurance business. We 
must recognize that we earn profits from underwriting 
and investing. These are highly variable elements that 
require expert judgment to implement the appropriate 
strategy at any moment in time, always requiring a 
balance of optimism and caution. Both areas require 
forecasting interest rates and inflation — each of which is 
necessary for the pricing of our future business and the 

investment of our funds as we look ahead. With respect 
to our product pricing, the starting point is always 
the prior year prices, which include an assumption of 
adequacy in prior year loss reserves. One then must look 
forward based on trends, court decisions and medical 
costs to attempt to forecast the required future pricing 
level necessary for an adequate return. The uncertainty 
in investment markets is always self-evident, but recent 
volatility, taken together with the fact that interest rates 
are at historically low levels and are just beginning to 
rise, makes that uncertainty even greater. Combined with 
concerns about future inflation, these factors altogether 
result in unprecedented risk and uncertainty.

This level of concern is so substantial that we require 
a higher risk-adjusted return. However, over the last 
several years, rather than allowing for better margins, 
the environment has become even more competitive. 
The industry experienced historic catastrophic losses 
over the most recent year, yet there continued to 
be significant price competition. Pricing in most 
lines of business does not seem to have increased 
concomitantly to reflect this actual level of risk. While 
overall the current level of pricing does not fully reflect 
our expectations for achieving acceptable returns, we 
still believe that many areas of the business do offer 
satisfactory returns and we constantly see attractive 
opportunities. A good example is the high-end personal 
lines market. We have invested substantially in the 
establishment of Berkley One as our entry into the  
high-end personal lines space, building a first class team 
of people with a strategy to deliver the very best service 

W. R. Berkley Corporation   |   2017 Annual Report   |   15

building intellectual capital through technology, new products  
and new businesses.”

“We constantly invest in a better future for our Company by 

to both our brokers and agents as well as our ultimate 
customers. This is a market that is service focused. 
Prices are important, however this group of customers 
recognizes that prompt, effective claims service is the 
key to value insurance purchasing. 

In that overall context, 2017 was an excellent year for 
both underwriting and investment results, particularly 
in light of the many headwinds our industry faced. 
Underwriting results, excluding the losses from the 
unusual catastrophe activity, were remarkably stable. 
Our underwriting discipline, with respect to both pricing 
and risk selection, was enhanced by our decentralized 
structure that enabled us to focus on the parts of the 
market where adequate pricing persisted and de-
emphasize those sectors with less attractive margins.  
As a result, we were pleased with the underwriting 
results for almost all of our domestic specialty 
businesses and continue to see improvement in our 
market position, with adequate if not robust pricing. 
Our regional commercial insurance business had more 
variation due to the higher level of natural disasters 
than we have seen in recent times. Overall, several of 

the companies delivered outstanding results and we 
anticipate improvement in the others, barring similar 
catastrophic activity. We believe opportunities in the 
domestic insurance area will continue, and we stand  
to gain a larger share of the marketplace as our expertise 
and outstanding market-facing relationships continue  
to give us a competitive advantage.

Internationally, we continue to seek profitable 
opportunities. Our Latin American businesses have 
performed in an outstanding manner, and we built a new 
enterprise in Mexico. Australia and Asia represented the 
continued building process towards delivering profitable 
results, with a first step towards increased penetration 
in Asia and improvement on the underwriting results in 
Australia. Europe presented challenges in a number  
of areas. Pricing was extremely competitive and brokers, 
especially those serving the U.K. market, seem to have 
a different view of how gross premiums should be 
divided. The level of commissions and expenses in 
Europe makes this market extremely difficult. We expect 
that our recent realignment in London will bring about 
substantially improved results.

16   |

2017 RETURN ON STOCKHOLDERS’ EQUITY

FIVE YEAR GROWTH IN BOOK VALUE PER SHARE

11%

41%

As one would expect, our overall reinsurance business 
faced challenges with the extraordinary level of industry-
wide catastrophic events. Our relative performance 
was excellent, and while our results were in line with 
our expectations for such events, in an absolute sense 
they were certainly disappointing. The reinsurance 
business, by its very nature, is more volatile than the 
primary insurance business, and we would expect it 
to generate better than average returns. However, 
we along with the rest of the market, have not been 
so rewarded in recent years. As we look forward, it is 
difficult to understand why reinsurance prices are not 
going up more substantially. We expect this to self-
correct over time with increasing prices, especially on 
property catastrophe business. Casualty business is 
also expected to be impacted. Accumulated profits in 
the property business, driven by several years of benign 
catastrophes prior to 2017, have evaporated and can no 
longer subsidize this market.

be competitive. Our business, just like the rest of the 
financial services industry, is being impacted substantially 
by technology. Artificial intelligence is having an 
effect on underwriting across the board, but the least 
complicated risks will be especially impacted. Expertise 
has become more important; sorting and organizing data 
is becoming more and more valuable. Scale of enterprise, 
and thus the accumulation of data, is in fact, becoming 
a competitive advantage. It will be difficult for small 
enterprises to take full advantage of technology that is 
offered only on a large scale. Technology will not only  
be important in underwriting decisions and risk 
selection, but also in data mining and processing. The 
size of our Company provides us with ample scale 
to effectively mine and analyze our data, while our 
structure enables us to utilize it in the most useful way. 
We continue to invest heavily in these areas, as well as 
in technology companies that we believe offer products 
that we, and others in our industry, can use.

In spite of our strong results, we recognize that 
change is constant and we have the responsibility to 
be certain that our Company is always positioned to 

Our investment returns were also outstanding in 2017. 
Our core portfolio delivered growing income with a 
relatively stable yield and a shortened duration. Our 

W. R. Berkley Corporation   |   2017 Annual Report   |   17   

YEARS OF CONSECUTIVE DIVIDEND PAYMENTS

INDEPENDENT OPERATING UNITS

42

54

alternative investments provided both higher returns 
and significant realized investment gains. When interest 
rates began to decline several years ago, we had to 
search for other ways to get adequate risk-adjusted 
returns in our overall investment portfolio. Fixed-income 
securities and cash still represent nearly 80% of our 
investment portfolio. We have maintained an average 
duration approximately one year shorter than the 
duration of our liabilities to minimize the exposure to 
inflation and to take advantage of the concomitant future 
increase in interest rates. The risk-adjusted returns in 
areas such as real estate and private equity investments 
represented the chance for irregular but higher rates 
of return. We decided that this was the course for us to 
take, even though, unfortunately, the gains on some of 
the most attractive alternatives were not valued equally 
by security analysts. Modifying our investment strategy 
to include private equity as well as real estate has 
generated returns well above those available in fixed-
income securities or in the stock market in general. 

We continue on this course and today approximately 
8% of our investments are held in a real estate portfolio 

that has delivered returns more than double those 
available from our fixed-income securities. At the same 
time, a real estate portfolio gives us some level of 
protection from the risks of inflation, which we find quite 
attractive given the kinds of inflation risks embedded in 
our liabilities. Our investments in private equities, with 
low to no leverage, represent businesses that, in our 
view, have opportunities to expand or are in industries 
that are poised for consolidation. As a result, we have 
generated substantial returns in this area and we expect 
that as long as we focus on that which we understand 
better than our competitors, we will be able to continue 
delivering these outstanding returns. We also have 
invested in a number of private partnerships that have 
delivered better than average returns, allowing us to 
diversify our risk and bring our portfolio into other 
attractive segments of the market.

This year was also important because two major issues 
occurred on a macro basis. After an eleven-year effort, 
the playing field was leveled under the U.S. Tax Code  
for American insurance groups and offshore competition 
on U.S. generated business. With the support of most 

18   |

our competitors, we will be able to continue delivering these 
outstanding returns.”

“As long as we focus on that which we understand better than 

of the domestic insurance industry, we were successful 
in persuading Federal lawmakers to eliminate an unfair 
advantage in the Tax Code. Previously, offshore groups 
were afforded special benefits in writing business 
through a U.S. subsidiary and moving it to a tax-
advantaged locale through an accounting transaction. 
We thank everyone who joined with us, along with 
Federal representatives and policymakers, for facilitating 
this equitable change. In addition, we were fortunate 
that a substantial change in the federal corporate tax 
rate reduced our statutory rate from 35% to 21%.

W. R. Berkley Corporation continues to focus on 
optimizing risk-adjusted returns. We believe we can 
accomplish this by focusing on meeting our customers’ 
needs and serving them effectively through the 
appropriate distribution channel. Together, we can be 
sure the ultimate customer is focused on why they buy 
insurance — the appropriate and fair settlement of a 
claim — as the foremost concern. We are optimistic about 
2018 and beyond as we anticipate improving returns 
from both rising insurance prices and increased interest 
rates. At the same time, the recently enacted corporate 

tax reform has created improving prospects for a 
strengthening economy. Our Company is well positioned 
to benefit from these changes in the environment. 

W. R. Berkley Corporation could not succeed without 
our nearly 8,000 committed employees and thousands 
of brokers and agents who work diligently on our behalf. 
Our enterprise thrives because of the thoughtful advice 
of our Board and the many committed people who help 
make everything work to deliver on our promise to our 
customers, employees and shareholders. Everyone must 
win or we all lose. Thank you all.

William R. Berkley
Executive Chairman

W. Robert Berkley, Jr.
President and Chief 
Executive Officer

W. R. Berkley Corporation   |   2017 Annual Report   |   19   

Investments

Over the past few years, we 
have shortened the duration 
of our fixed-income portfolio 
to 3.0 years to manage the 
yield curve as well as the 
impact of potential inflation. 
These changes have reduced 
the potential impact of 
mark-to-market on our 
portfolio and positioned us 
to take advantage of rising 
interest rates. In addition,  
we have allocated a portion  
of our portfolio to 
investments designed  
to generate capital gains.

20   |

BREAKDOWN OF FIXED MATURITY SECURITIES 
(including cash)

3%

6%

6%

9%

15%

31%

30%

■ State and Municipal Bonds
■ Corporate Bonds
■ Asset-backed Securities
■ Mortgage-backed Securities
■ Foreign Bonds
■ Cash and Cash Equivalents
■ U.S. Government and Government Agency Bonds

INVESTMENT DATA
(dollars in millions)

Cash and invested assets:
Invested assets
Cash and cash equivalents
Total
Net investment income
Net realized gains on investment sales

2016

2017

$16,650
$795
$17,445
$564
$285

$17,451
$950
$18,401
$576
$336

MATT G. 
Claims Director
Berkley Net

“  What makes being part of the Berkley team special for me is every day I get to 

take on new challenges and resolve issues within a cohesive team environment.  
As a Claims Director, I oversee several different teams within the Claims 
Department of Berkley Net. It is rewarding for me to be able to work with, lead, 
and mentor the people within those teams. I also get to work cross functionally 
with our underwriting, finance and IT teams, which makes for a more collaborative 
approach to our internal business needs, as well as our clients’ needs. Berkley 
Net’s core values are instrumental in both my professional and personal life.  
My favorite one, “Integrity is non-negotiable,” is something I live by professionally, 
and one that my wife, Teresa, and I demonstrate to our children on a daily basis.”

“ My dad says, we can make this work.”

  Francesca—Age 9, Daughter of Matt G., Claims Director

Segment Overview

Each of our business segments — Insurance and Reinsurance — 
comprises individual operating units that serve a market defined 
by geography, products, services, or types of customers. Our 
growth is based on meeting the needs of customers, maintaining 
a high-quality balance sheet, and allocating capital to our  
best opportunities.

We combine capital with outstanding people and wrap it all in 
a culture that is focused on optimizing risk-adjusted returns. It 
creates a permanent competitive advantage that can only be 
acquired over many years with consistent discipline.

22   |

BRYAN S. 
Assistant Vice President, Corporate Actuary
W. R. Berkley Corporation

“  The team approach to problem solving at 

Berkley is a very rewarding process. The 
combination of advanced analytics, an 
excellent learning environment, and great 
people throughout the organization has 
allowed my role as a corporate actuary to  
be highly fulfilling.”

“ I don’t know. Who knows what Bryan actually does? He’s been my uncle for  
11 years and I still don’t know. The job of an actuary is an enigma.”

  Emma—Age 11, Niece of Bryan S., Assistant Vice President – Corporate Actuary

2017 SEGMENT DATA

2017 NET PREMIUMS EARNED BY MAJOR LINE OF BUSINESS 
(in percent)

Insurance

$5.7Billion

Reinsurance

$605Million

1o%

11%

21%

26%

32%

38%

62%

■  Other Liability             ■   Workers’ Compensation
■  Short-tail Lines            ■   Commercial Automobile
■  Professional Liability

■  Casualty      ■   Property

Assets
$19.3

Reserves
$8.3

2017 ASSETS AND NET RESERVES 
(dollars in billions)

Insurance 

Reinsurance 

Assets
$3.2

Reserves
$1.7

24   |

ANI V. 
Office of the Chairman
W. R. Berkley Corporation

“  I have the privilege of working for a company 

that values its employees. As the assistant to 
the Chairman, I get to witness every day that 
value put into action.”

“Some days mom has no idea how she will do it! But she always gets it done.”

  Maria Luisa—Age 13, Daughter of Ani V., Office of the Chairman

We received drawings from children ranging in age from  
3 to 23 in many of our worldwide locations. A few of these 
wonderful creations are featured throughout this report and 
all may be viewed at highlights.wrberkley.com/2017artwork. 
We hope you enjoy them as much as we did.

Meghan—Age 22, Daughter of Ed L.,  
Vice President, Investments

26   |

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 10-K

(Mark One)

       [x]

ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2017
OR

[ ]

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
ACT OF 1934

For the transition period from ______ to ______.

Commission file number 1-15202

W. R. BERKLEY CORPORATION
(Exact name of registrant as specified in its charter)

Delaware

(State or other jurisdiction
of incorporation or organization)
475 Steamboat Road, Greenwich, CT
(Address of principal executive offices)

22-1867895

(I.R.S. Employer
Identification Number)
06830
(Zip Code)

Registrant’s telephone number, including area code: (203) 629-3000

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class

Name of Each Exchange on Which Registered

Common Stock, par value $.20 per share

5.625% Subordinated Debentures due 2053

5.9% Subordinated Debentures due 2056

5.75% Subordinated Debentures due 2056

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.
Yes S No o

Securities registered pursuant to Section 12(g) of the Act:
None

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act.
 Yes  o    No S
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 S No o
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be
submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit
and post such files).  Yes S
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K 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 Annual Report on Form 10-K or any amendment
to this Annual Report on Form 10-K. o

No o

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growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company” and "emerging growth company" in Rule 12b-2
of the Exchange Act.

Large accelerated filer S

Accelerated filer o

Non-accelerated filer o

(Do not check if a smaller reporting company)

Smaller reporting company o

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or
revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).  Yes o      No S

The aggregate market value of the voting and non-voting common stock held by non-affiliates (computed by reference to the price at which the common stock was
last sold) as of the last business day of the registrant’s most recently completed second fiscal quarter was $ 6,663,402,098 .

o

Number of shares of common stock, $.20 par value, outstanding as of February 20, 2018 : 121,542,004

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Company’s definitive proxy statement, which will be filed with the Securities and Exchange Commission within 120 days after December 31, 2017
, are incorporated herein by reference in Part III.

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1

17

26

26

26

26

27

29

30

53

54

103

103

105

106

106

106

106

106

107

110

SAFE HARBOR STATEMENT

ITEM

ITEM

ITEM

ITEM

ITEM

ITEM

PART I

1.

BUSINESS

1A. RISK FACTORS

1B. UNRESOLVED STAFF COMMENTS

2.

3.

PROPERTIES

LEGAL PROCEEDINGS

4. MINE SAFETY DISCLOSURES

PART II

ITEM

5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER

ITEM

ITEM

ITEM

ITEM

ITEM

ITEM

ITEM

ITEM

ITEM

ITEM

ITEM

ITEM

ITEM

ITEM

EX-21

EX-23

EX-31.1

EX-31.2

EX-32.1

EX-101

EX-101

EX-101

EX-101

EX-101

EX-101

PURCHASES OF EQUITY SECURITIES

6.

SELECTED FINANCIAL DATA

7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF

OPERATIONS

7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

8.

9.

FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL
DISCLOSURE

9A. CONTROLS AND PROCEDURES

9B. OTHER INFORMATION

PART III

10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

11. EXECUTIVE COMPENSATION

12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED

STOCKHOLDER MATTERS

13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

14. PRINCIPAL ACCOUNTING FEES AND SERVICES

PART IV

15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

16. FORM 10-K SUMMARY

LIST OF COMPANIES AND SUBSIDIARIES

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER PURSUANT TO RULE 13a-14(a) /15d-14(a)

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13a-14(a) /15d-14(a)

CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT
TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY
ACT OF 2002

INSTANCE DOCUMENT

SCHEMA DOCUMENT

CALCULATION LINKBASE DOCUMENT

LABELS LINKBASE DOCUMENT

PRESENTATION LINKBASE DOCUMENT

DEFINITION LINKBASE DOCUMENT

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UNDER THE PRIVATE SECURITIES
LITIGATION REFORM ACT OF 1995

This is a “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995. This document may contain forward-looking statements within the
meaning of the Private Securities Litigation Reform Act of 1995. Some of the forward-looking statements can be identified by the use of forward-looking words
such as “believes,” “expects,” “potential,” “continued,”  “may,”  “will,”  “should,” “seeks,” “approximately,” “predicts,”  “intends,”  “plans,”  “estimates,”
“anticipates” or the negative version of those words or other comparable words. Any forward-looking statements contained in this report including statements
related to our outlook for the industry and for our performance for the year 2018 and beyond, are based upon our historical performance and on current plans,
estimates and expectations. The inclusion of this forward-looking information should not be regarded as a representation by us that the future plans, estimates or
expectations contemplated by us will be achieved. They are subject to various risks and uncertainties, including but not limited to:

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

the cyclical nature of the property casualty industry;

the impact of significant competition, including new alternative entrants to the industry;

the long-tail and potentially volatile nature of the insurance and reinsurance business;

product demand and pricing;

claims development and the process of estimating reserves;

investment risks, including those of our portfolio of fixed maturity securities and investments in equity securities, including investments in financial
institutions, municipal bonds, mortgage-backed securities, loans receivable, investment funds, including real estate, merger arbitrage, energy related and
private equity investments;

the effects of emerging claim and coverage issues;

the uncertain nature of damage theories and loss amounts;

natural and man-made catastrophic losses, including as a result of terrorist activities;

general economic and market activities, including inflation, interest rates and volatility in the credit and capital markets;

the impact of conditions in the financial markets and the global economy, and the potential effect of legislative, regulatory, accounting or other initiatives
taken in response to it, on our results and financial condition;

foreign currency and political risks (including those associated with the United Kingdom's withdrawal from the European Union, or "Brexit") relating to
our international operations;

our ability to attract and retain key personnel and qualified employees;

continued availability of capital and financing;

the success of our new ventures or acquisitions and the availability of other opportunities;

the availability of reinsurance;

our retention under the Terrorism Risk Insurance Program Reauthorization Act of 2015 ("TRIPRA");

the ability or willingness of our reinsurers to pay reinsurance recoverables owed to us;

other legislative and regulatory developments, including those related to business practices in the insurance industry;

credit risk relating to our policyholders, independent agents and brokers;

changes in the ratings assigned to us or our insurance company subsidiaries by rating agencies;

the availability of dividends from our insurance company subsidiaries;

potential difficulties with technology and/or data security;

the effectiveness of our controls to ensure compliance with guidelines, policies and legal and regulatory standards; and

other risks detailed in this Form 10-K and from time to time in our other filings with the Securities and Exchange Commission (“SEC”).

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year 2018 and beyond to differ materially from those expressed in any forward-looking statement we make. Any projections of growth in our revenues would
not necessarily result in commensurate levels of earnings. Our future financial performance is dependent upon factors discussed elsewhere in this Form 10-K
and our other SEC filings. Forward-looking statements speak only as of the date on which they are made.

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ITEM 1. BUSINESS

W. R. Berkley Corporation is an insurance holding company that is among the largest commercial lines writers in the United States and operates

worldwide in two segments of the property casualty insurance business:

•

•

Insurance - predominantly commercial insurance business, including excess and surplus lines, admitted lines and specialty personal lines throughout the
United States, as well as insurance business in the United Kingdom, Continental Europe, South America, Canada, Mexico, Scandinavia, Asia and
Australia.

Reinsurance - reinsurance business on a facultative and treaty basis, primarily in the United States, United Kingdom, Continental Europe, Australia, the
Asia-Pacific region and South Africa.

Commencing with the first quarter of 2017 , the Company reclassified two businesses from the Insurance segment to the Reinsurance segment.

Reclassifications have been made to the Company's prior periods financial information to conform with the presentation.

Our two reporting segments are composed of individual operating units that serve a market defined by geography, products, services or types of
customers. Each of our operating units is positioned close to its customer base and participates in a niche market requiring specialized knowledge about a territory
or product. This strategy of decentralized operations allows each of our units to identify and respond quickly and effectively to changing market conditions and
local customer needs, while capitalizing on the benefits of centralized capital, investment and reinsurance management, and corporate actuarial, financial,
enterprise risk management and legal staff support.

Our business approach is focused on meeting the needs of our customers, maintaining a high quality balance sheet, and allocating capital to our best

opportunities. New businesses are started when opportunities are identified and when the right talent and expertise are found to lead a business. Of our 54 operating
units, 47 have been organized and developed internally and seven have been added through acquisition.

   Net premiums written, as reported based on United States generally accepted accounting principles (“GAAP”), for each of our operating segments for each of
the past five years were as follows:

 (In thousands)
Net premiums written:

Insurance

Reinsurance

Total

Percentage of net premiums written:

Insurance

Reinsurance

Total

2017

2016

2015

2014

2013

Year Ended December 31,

$

$

5,715,871

544,637

6,260,508

$

$

5,743,620

680,293

6,423,913

$

$

5,555,437

634,078

6,189,515

$

$

5,302,436

694,511

5,996,947

$

$

4,734,670

765,503

5,500,173

2017

2016

2015

2014

2013

Year Ended December 31,

91.3%

8.7

100.0%

89.4%

10.6

100.0%

89.8%

10.2

100.0%

88.4%

11.6

100.0%

86.1%

13.9

100.0%

Twenty-nine of our insurance company subsidiaries are rated by A.M. Best Company, Inc. ("A.M. Best") and have ratings of A+ (Superior) (the second
highest rating out of 15 possible ratings). A.M. Best's ratings are based upon factors of concern to policyholders, insurance agents and brokers and are not directed
toward the protection of investors. A.M. Best states: “The Financial Strength Rating opinion addresses the relative ability of an insurer to meet its ongoing
insurance obligations. The ratings are not assigned to specific insurance policies or contracts and do not address any other risk.” A.M. Best reviews its ratings on a
periodic basis, and its ratings of the Company's subsidiaries are therefore subject to change.

Our twenty-four insurance company subsidiaries rated by Standard & Poor's (“S&P”) have financial strength ratings of A+ (the seventh highest rating out of

twenty-seven possible ratings).

Our Moody's ratings are A2 for Berkley Insurance Company, Berkley Regional Insurance Company and Admiral Insurance Company (the sixth highest rating

out of twenty-one possible ratings).

1

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The following sections describe our reporting segments and their operating units in greater detail. These operating units underwrite on behalf of one or more
affiliated insurance companies within the group. The operating units are identified by us for descriptive purposes only and are not legal entities. Unless otherwise
indicated, all references in this Form 10-K to “W. R. Berkley,” “we,” “us,” “our,” the “Company” or similar terms refer to W. R. Berkley Corporation together
with its subsidiaries and operating units. W. R. Berkley Corporation is a Delaware corporation formed in 1970.

Insurance

Our U.S.-based operating units predominantly underwrite commercial insurance business primarily throughout the United States, although many units offer

coverage globally, focusing on the following general areas:

Excess & Surplus Lines : A number of our operating units are dedicated to the U.S. excess and surplus lines market. They serve a highly diverse group of

customers that often have complex risk or unique exposures that typically fall outside the underwriting guidelines of the standard insurance market. Lines of
business underwritten by our excess and surplus lines operating units include premises operations, commercial automobile, property, products liability and
professional liability lines. Products are generally distributed through wholesale agents and brokers.

Industry Specialty : Certain other operating units focus on providing specialty coverages to customers within a particular industry that are best served by
underwriters and claims professionals with specialized knowledge of that industry. They offer multiple lines of business with policies tailored to address these
unique exposures, often with the flexibility of providing coverages on either an admitted or a non-admitted basis in the U.S., as well as internationally. Each
operating unit delivers its products through one or more distribution channels, including retail and wholesale agents, brokers, and managing general agents
(MGAs), depending on the customer and the particular risks insured.

Product Specialty : Other operating units specialize in providing specific lines of insurance coverage, such as workers’ compensation or professional
liability, to a wide range of customers. They offer insurance products, analytical tools and risk management services such as loss control and claims management
that enable clients to manage their risk appropriately. Business is typically written on an admitted basis, although some units may offer non-admitted products in
the U.S. and offer products internationally. Independent agents and brokers are the primary means of distribution.

Regional: Certain operating units offer standard insurance products and services focused on meeting the specific needs of a geographically differentiated

customer base. Key clients of these units are small-to-midsized businesses. These regionally focused operating units provide a broad array of commercial insurance
products to customers primarily in 45 states and the District of Columbia and have developed expertise in niches that reflect local economies. They are organized
geographically in order to provide them with the flexibility to adapt quickly to local market conditions and customer needs.

In addition, through our non-U.S. insurance operating units, we write business in more than 60 countries worldwide, with branches or offices in 20 locations

outside the United States, including the United Kingdom, Continental Europe, South America, Canada, Mexico, Scandinavia, Asia and Australia. In each of our
operating territories, we have built decentralized structures that allow products and services to be tailored to each regional customer base. Our businesses are
managed by teams of professionals with expertise in local markets and knowledge of regional environments.

In addition to providing insurance products, certain operating units also provide a wide variety of fee-based services, including claims, administrative and

consulting services.

Operating units comprising the Insurance segment are as follows:

Acadia Insurance is a Northeast regional property casualty underwriter offering a broad portfolio of products exclusively through local independent agents
in Connecticut, Maine, Massachusetts, New Hampshire, New York and Vermont. In addition to its general offerings, Acadia has specialized expertise in insuring
regional industries such as construction, lumber, fishing and transportation.

Admiral Insurance provides excess and surplus lines coverage for commercial risks that generally consist of hard-to- place, specialized risks that involve

moderate to high degrees of hazard. Its lines of business include general liability, professional liability, property, and excess and umbrella coverage. Admiral's
professional liability and program operations include special coverages for technology, ambulatory surgery centers, chiropractors and concierge physicians. Its
products are distributed exclusively by wholesale brokers.

American Mining Insurance Group specializes in mono-line workers’ compensation coverage for mining and mining related and high hazard industries in

select states.

Berkley Accident and Health underwrites accident and health insurance and reinsurance products in four primary areas: medical stop loss, managed care,
special risk and group captive. It has a diversified product and service portfolio serving a range of clients from small employers, health care organizations, and
membership groups to Fortune 500 companies.

2

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processing and distribution of commodities related to the agriculture and food industries.   

Berkley Alliance Managers specializes in professional liability for the design professional, construction professional and certified public accounting

industries. The Berkley Design Professional division specializes in architects, engineers and consultants. In addition to professional liability, the Berkley
Construction Professional division provides pollution liability and protective coverages to contractors and owners across all forms of non-environmental
construction.

Berkley Aspire provides excess and surplus lines coverage on a national basis to small to medium-sized insureds with low to moderate insurance risk. Its

product lines include general liability, liquor liability and some property and inland marine coverage. It serves a limited distribution channel consisting of select W.
R. Berkley Corporation member company agents.

Berkley Aviation offers a wide range of aviation insurance products on a global basis, including coverage for airlines, airplanes, helicopters, miscellaneous

general aviation operations, non-owned aircraft, fixed-base operations, control towers, airports and other specialized niche programs. In the U.S., it places its
business on an admitted and non-admitted basis nationwide.

Berkley Canada underwrites specialty, casualty and surety lines of business on behalf of the Canadian branch of Berkley Insurance Company. It specializes

in commercial casualty and professional liability, and offers a broad portfolio of risk products that include commercial general liability, umbrella, professional
liability, directors and officers, commercial property and surety, in addition to niche products for specific industries such as technology, life sciences and travel.

Berkley Custom Insurance focuses on the excess casualty insurance market and offers umbrella liability, pollution liability, excess liability, construction
wrap-ups and completed operations coverages to wholesalers, retailers, manufacturers, insurance companies, financial institutions and construction companies.

Berkley Cyber Risk Solutions focuses on insurance and risk management products that respond to the changing cyber security vulnerabilities of

organizations around the world. It offers specialty commercial insurance coverages on a worldwide basis to clients of all sizes.

Berkley Entertainment underwrites property casualty insurance products, both on an admitted and non-admitted basis, for the entertainment industry and

sports-related organizations.

Berkley Environmental underwrites specialty insurance products for environmental customers such as contractors, consultants and owners of sites and

facilities.

Berkley Europe is comprised of specialist operating units offering a focused range of insurance products to markets in Continental Europe and Nordic

countries.

Berkley FinSecure serves the insurance needs of companies in the financial services industry. It offers a comprehensive range of property, casualty,
professional liability, and specialty lines insurance products. Its Berkley crime division provides crime-related insurance products for commercial organizations,
financial institutions and governmental entities.

Berkley Fire & Marine offers a broad range of preferred inland marine and related property risks and services to  customers throughout the United States,

both regionally and nationwide.  Products are distributed through independent agents and brokers.

Berkley Global Product Recall Management provides worldwide insurance protection and technical assistance to help clients with the prevention,

management and indemnification of product recall and contamination events.

Berkley Healthcare Professional provides customized, comprehensive professional liability solutions for the full spectrum of healthcare providers.

Berkley Human Services provides property casualty insurance coverages to human services organizations, including nonprofit and for-profit organizations,
public schools, sports and recreational organizations, and special events. Its product offerings include traditional primary coverages and risk purchasing groups, as
well as alternative market solutions for clients who wish to retain a larger share of their risks.

Berkley Insurance Asia underwrites specialty commercial insurance coverages to clients in North Asia and Southeast Asia through offices in Hong Kong

and Singapore.

Berkley Insurance Australia underwrites general insurance business in Australia, including professional indemnity insurance for companies of all sizes.

Berkley Latinoamérica is a leading provider of property, casualty, automobile, surety, group life and workers' compensation products and services in its

operating territories of Argentina, Brazil, the Caribbean, Colombia, Mexico and Uruguay.

3

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Berkley Life Sciences offers a comprehensive spectrum of property, casualty, and specialty products such as professional and management liability to the

life sciences industry on a global basis, including both primary and excess liability coverages. It serves pharmaceutical and biotech companies, medical device
companies, dietary supplement companies, medical and research related software developers, contract research and manufacturing organizations, research
institutions and organizations, and other related businesses.

Berkley Luxury Group provides commercial package insurance programs for high-end cooperative, condominium, and quality rental apartment buildings

and upscale restaurants in the New York, New Jersey, Chicago and Washington, D.C. metropolitan markets, as well as other select markets.

Berkley Medical Excess insures healthcare organizations such as hospitals and clinics that retain a portion of their risk exposure through a self-funded

mechanism and seek to maximize the effectiveness and efficiency of their excess risk financing program.

Berkley Mid-Atlantic Group provides commercial property casualty coverages to a wide variety of businesses in Delaware, the District of Columbia,
Maryland, Ohio, Pennsylvania, and Virginia. Focusing on middle market accounts, it complements its standard writings with specialized products in areas such as
construction.

Berkley Net Underwriters focuses on small and medium-sized commercial risks, using a web-based system to allow producers to quote, bind and service
workers' compensation insurance products on behalf of W. R. Berkley Corporation member companies. Berkley Net Underwriters also manages W. R. Berkley's
assigned risk servicing carrier operations.

Berkley North Pacific provides local underwriting, claims and risk management services for businesses in the Northwest. It operates with a select group of

agents in Idaho, Montana, Oregon, Utah and Washington to sell and service property and casualty policies for larger middle-market standard businesses and
specialty lines, such as construction, restaurants and manufacturing.

Berkley Offshore Underwriting Managers is a specialist global underwriter of energy and marine risks. Its three divisions provide specialty insurance

products in the energy upstream, energy liability and marine sectors. 

Berkley Oil & Gas provides property casualty products and risk services to the United States energy sector. Its customer base includes risks of any size that
work in the oil patch, including operators, drillers, geophysical contractors, well-servicing contractors, and manufacturers/distributors of oil field products, as well
as those in the renewable energy sector.

Berkley One provides a customizable suite of personal lines insurance solutions including home, condo/co-op, auto, liability and collectibles. Berkley One

targets high net worth individuals and families with sophisticated risk management needs.

Berkley Professional Liability specializes in professional liability insurance for publicly-traded and private entities based on a worldwide basis. Its liability

coverages include directors and officers, fiduciary, employment practices, and sponsored insurance agents. Berkley Transactional, a division of Berkley
Professional Liability, underwrites a full suite of transactional insurance products, including representations and warranties insurance, tax opinion insurance and
contingency liability insurance.

Berkley Program Specialists is a program management company offering both admitted and non-admitted insurance support on a nationwide basis for

commercial casualty and property program administrators with specialized insurance expertise. Its book is built around blocks of homogeneous business, or
programs, allowing for efficient processes, effective oversight of existing programs and sound implementation of new programs.

Berkley Public Entity specializes in providing excess coverage and services to individual governmental and scholastic entities and intergovernmental risk

sharing groups. Products include general liability, automobile liability, law enforcement liability, public officials and educator's legal liability, employment
practices liability, incidental medical, property and crime.

Berkley Risk Administrators provides at-risk and alternative risk insurance program management services for a broad range of groups and individuals
including public entity pools, professional associations, captives and self-insured clients. As a third party administrator, it manages workers’ compensation,
liability and property claims nationwide.

Berkley Select specializes in underwriting professional liability insurance on a surplus lines basis for large law and accounting firms through a limited

number of brokers and also offers executive and professional liability products to small to middle market customers on both an admitted and surplus lines basis. 

Berkley Southeast offers a wide array of commercial lines products in six southeastern states: Alabama, Georgia, Mississippi, North Carolina, South

Carolina and Tennessee, specializing in small to mid-sized accounts.   

4

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Berkley Surety provides a broad array of surety products for contract and commercial surety risks in the U.S. and Canada, including specialty niches such as

environmental and secured credit for small contractors, through an independent agency and broker platform across a network of 18 field offices.

Berkley Technology Underwriters provides a broad range of first and third-party insurance programs for technology exposures and technology industries on

both a local and global basis.

Carolina Casualty is a national provider of primary commercial insurance products and services to the transportation industry. It underwrites on an admitted

basis in all 50 states and the District of Columbia.

Continental Western Group is a midwest regional property and casualty insurance operation based in Des Moines, Iowa, providing underwriting and risk

management services to a broad array of regional businesses in thirteen midwest states. In addition to its generalist portfolio, Continental Western offers specialty
underwriting solutions for diversified agriculture, construction, light manufacturing, transportation, volunteer fire departments, rural utilities and public entities.

Gemini Transportation is a national provider of excess liability insurance for various domestic surface transportation businesses. It underwrites liability
insurance policies for the railroad industry as well as excess liability policies for the trucking, busing and other industries that use rubber-wheeled vehicles for
over-the-road use.

Intrepid Direct offers business coverages to franchise restaurants on a direct basis.

Key Risk is a premier provider of workers' compensation insurance and third party administrative services. It focuses on middle market accounts in several

niches that appreciate expertise and exceptional service.  The unit operates three business units; one focused on middle market accounts located primarily in the
mid-Atlantic and southeastern United States, one focused on national temporary staffing and United States Longshoreman & Harbor Act (USL&H) specialty
programs and one focused on self-insured customers.  Its products are distributed by a select group of independent retail agents and wholesale brokers located
through the United States.

Midwest Employers Casualty provides excess workers' compensation insurance products to individual employers, groups and workers' compensation
insurance companies across the United States. Its workers' compensation excess of loss products include self-insured excess of loss coverages and large deductible
policies. Through its relationship with Berkley Net Underwriters, Midwest Employers Casualty also offers multi-state coverage for group self-insureds. It has
developed sophisticated, proprietary analytical tools and risk management services that help its insureds lower their total cost of risk.

Nautilus Insurance Group insures excess and surplus lines risks for small to medium-sized commercial risks with low to moderate susceptibility to loss. It

writes commercial excess and surplus lines business nationwide and admitted lines commercial business in a limited number of states. A substantial portion of
Nautilus' business is written through its close, long-standing network of general agents, who are chosen on a highly selective basis.

Preferred Employers Insurance focuses exclusively on workers' compensation products and services for businesses in California. It serves over 12,000

customers covering a broad spectrum of industries throughout the state.

Union Standard offers preferred commercial property and casualty insurance products and services to a wide range of small to medium size commercial

entities through independent agents in Arizona, Arkansas, New Mexico, Oklahoma and Texas.

Vela Insurance Services specializes in commercial casualty insurance on an excess and surplus lines basis. Its primary focus is on general liability insurance

for construction, manufacturing and general casualty clients as well as products liability and miscellaneous professional liability coverages distributed through
wholesale insurance brokers.

Verus Underwriting Managers offers general liability, professional liability and property coverages for small to mid-sized commercial risks in the excess

and surplus lines insurance market through a select group of appointed wholesale brokers and agents.

W / R / B Underwriting provides a broad range of leading insurance products to the Lloyd's marketplace, with a concentration in specialist classes of

business including property, professional indemnity, crisis management, aviation, personal accident and asset protection.

5

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000The following table sets forth the percentage of gross premiums written by each Insurance operating unit:

Acadia Insurance

Admiral Insurance

American Mining Insurance Group

Berkley Accident and Health

Berkley Agribusiness Risk Specialists

Berkley Alliance Managers

Berkley Aspire

Berkley Aviation

Berkley Canada

Berkley Custom Insurance

Berkley Cyber Risk Solutions

Berkley Entertainment

Berkley Environmental

Berkley Europe

Berkley FinSecure

Berkley Fire & Marine

Berkley Global Product Recall Management

Berkley Healthcare Professional

Berkley Human Services

Berkley Insurance Asia

Berkley Insurance Australia

Berkley Latinoamérica

Berkley Life Sciences

Berkley Luxury Group

Berkley Medical Excess

Berkley Mid-Atlantic Group

Berkley Net Underwriters

Berkley North Pacific

Berkley Offshore Underwriting Managers

Berkley Oil & Gas

Berkley One

Berkley Professional Liability

Berkley Program Specialists

Berkley Public Entity

Berkley Risk Administrators

Berkley Select

Berkley Southeast

Berkley Surety

Berkley Technology Underwriters

Carolina Casualty

Continental Western Group

Gemini Transportation

Intrepid Direct

Key Risk

Midwest Employers Casualty

Nautilus Insurance Group

Preferred Employers Insurance

Year Ended December 31,

2017

6.8%

2016

6.8%

2015

6.7%

2014

7.2%

2013

7.0%

5.5

0.7

4.4

1.1

1.5

0.3

1.0

0.8

2.7

—

2.0

4.1

1.7

0.9

0.4

0.2

0.2

0.7

—

1.0

4.2

0.8

1.3

0.8

1.2

8.0

1.5

1.1

2.8

—

1.5

1.2

0.5

0.2

3.9

2.0

1.2

0.6

0.6

4.0

1.8

—

2.6

2.3

5.0

2.6

4.9

0.8

3.7

0.9

0.7

0.3

1.2

0.6

2.9

—

1.9

3.8

1.9

1.0

0.3

—

—

0.6

—

0.8

4.7

0.8

1.3

0.9

1.8

4.0

1.7

1.4

3.2

—

1.7

1.2

0.4

4.0

4.0

2.3

1.2

0.5

1.2

4.0

1.1

—

2.9

2.3

4.7

2.5

5.3

0.7

2.9

0.9

0.1

0.4

0.9

0.5

2.4

—

1.8

3.5

2.4

0.7

0.2

—

—

0.6

—

1.3

4.6

0.9

1.3

0.8

2.4

3.7

1.6

1.7

3.5

—

1.8

1.2

0.4

3.9

4.0

2.5

1.2

0.4

1.8

3.9

0.9

—

3.0

2.3

4.7

2.1

5.0

0.7

2.6

0.9

—

0.3

0.8

0.7

2.4

—

2.1

3.4

2.5

0.7

—

—

—

0.6

—

1.4

5.1

0.9

1.3

0.7

3.7

3.4

1.5

1.9

3.3

—

1.1

1.2

0.3

4.1

4.9

—

1.1

0.3

2.1

4.1

0.8

—

2.8

2.2

4.9

1.8

5.7

0.8

4.7

1.2

1.9

0.3

1.1

0.9

2.5

0.1

2.1

4.7

1.7

1.0

0.5

0.3

0.2

0.6

0.2

1.0

4.8

0.8

1.3

0.9

1.1

6.7

1.5

1.1

2.7

—

1.6

1.2

0.5

0.2

3.4

1.9

1.2

0.7

0.4

3.8

2.1

0.1

2.7

2.5

5.1

2.8

6

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Union Standard

Vela Insurance Services

Verus Underwriting Managers

W/R/B Underwriting

Other

Total

2.7

3.0

0.9

3.1

0.9

2.6

3.9

0.9

4.0

0.9

2.6

3.3

0.8

5.5

1.0

2.7

3.2

0.8

7.2

—

4.4

3.0

0.8

7.0

0.2

100.0%

100.0%

100.0%

100.0%

100.0%

The following table sets forth percentages of gross premiums written, by line, by our Insurance operations:

Other liability

Workers' compensation

Short-tail lines (1)

Professional liability

Commercial auto

Total

Year Ended December 31,

2017

30.6%

24.6

23.6

11.0

10.2

2016

30.9%

25.1

23.7

10.5

9.8

2015

28.9%

25.5

25.0

10.0

10.6

2014

28.3%

24.2

26.8

9.9

10.8

2013

28.6%

24.0

26.7

9.2

11.5

100.0%

100.0%

100.0%

100.0%

100.0%

___________________
(1) Short-tail lines include commercial multi-peril (non-liability), inland marine, accident and health, fidelity and surety, boiler    and machinery and other lines.

We provide other insurance companies and self-insureds with assistance in managing their net risk through reinsurance on either a portfolio basis, through

Reinsurance

treaty reinsurance, or on an individual basis, through facultative reinsurance.

Operating units comprising the Reinsurance segment are as follows:

Berkley Re America provides treaty and facultative reinsurance solutions on a variety of product lines through reinsurance brokers to companies whose

primary operations are within the United States and Canada.

Berkley Re Asia Pacific provides property and casualty reinsurance to the Asia Pacific marketplace. With offices in Brisbane, Sydney, Hong Kong and

Singapore, each branch focuses on excess of loss reinsurance, targeting both property and casualty treaty and facultative contracts, through multiple distribution
channels.

Berkley Re Solutions is a direct casualty facultative reinsurance underwriter serving clients through a nationwide network of regional offices. Its facultative

reinsurance products include automatic, semi-automatic and individual risk assumed reinsurance. It also provides its customers with turnkey products such as
cyber, employment practices liability insurance ("EPLI"), and liquor liability insurance to help enhance their clients' product offerings, along with underwriting,
claims, and actuarial consultation.

Berkley Re UK writes international property casualty treaty accounts. Its territorial scope includes reinsured clients domiciled in the United Kingdom,

Europe, Africa, the Middle East and the Caribbean.

Lloyd's Syndicate 2791 Participation represents the Company's minority participation in a Lloyd's syndicate that writes a broad range of mainly short-tail

classes of business.

7

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000  
The following table sets forth the percentages of gross premiums written by each Reinsurance operating unit:

Berkley Re America

Berkley Re Asia Pacific

Berkley Re Solutions

Berkley Re UK

Lloyd's Syndicate 2791 Participation

Other

Total

Year Ended December 31,

2017

2016

2015

2014

2013

52.0%

64.0%

60.3%

56.2%

51.3%

12.8

15.8

12.6

5.5

1.3

9.2

10.8

10.0

4.4

1.6

8.0

10.1

15.4

5.2

1.0

6.7

10.4

19.9

5.3

1.5

6.4

8.9

24.4

7.0

2.0

100.0%

100.0%

100.0%

100.0%

100.0%

The following table sets forth the percentages of gross premiums written by our Reinsurance operations:

Casualty

Property

   Total

Results by Segment

Year Ended December 31,

2017

2016

2015

2014

2013

66.9%

33.1

100.0%

58.7%

41.3

100.0%

65.1%

34.9

100.0%

65.5%

34.5

100.0%

66.3%

33.7

100.0%

Summary financial information about our segments is presented on a GAAP basis in the following table:

(In thousands)
Insurance

Revenue

2017

2016

2015

2014

2013

Year Ended December 31,

$

6,229,485

$

6,148,210

$

5,876,454

$

5,586,230

$

4,971,505

Income before income taxes

756,153

799,139

748,515

786,723

660,567

Reinsurance

Revenue

(Loss) income before income taxes

Other(1)

Revenue

Income (loss) before income taxes

Total

Revenue

Income before income taxes

696,122

(15,276)

759,157

31,893

777,123

98,277

728,851

(978)

745,325

122,930

584,678

(139,415)

837,901

155,042

704,797

10,431

902,958

155,520

534,071

(117,199)

$

$

7,684,764

772,770

$

$

7,654,184

896,438

$

$

7,206,457

732,030

$

$

7,128,928

952,196

$

$

6,408,534

698,888

_______________________________________
(1) Represents corporate revenues, corporate expenses, net investment gains and losses, and revenues and expenses from non-insurance businesses that are

consolidated for financial reporting purposes.

8

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000  
The table below represents summary underwriting ratios on a GAAP basis for our segments. Loss ratio is losses and loss expenses incurred expressed as a

percentage of net premiums earned. Expense ratio is underwriting expenses expressed as a percentage of net premiums earned. Underwriting expenses do not
include expenses related to insurance services or unallocated corporate expenses. Combined ratio is the sum of the loss ratio and the expense ratio. The combined
ratio represents a measure of underwriting profitability, excluding investment income. A number in excess of 100 indicates an underwriting loss; a number below
100 indicates an underwriting profit:

Insurance

Loss ratio

Expense ratio

Combined ratio

Reinsurance

Loss ratio

Expense ratio

Combined ratio

Total

Loss ratio

Expense ratio

Combined ratio

Investments

2017

2016

2015

2014

2013

Year Ended December 31,

61.6%

32.9

94.5%

80.2%

37.4

117.6%

63.4%

33.3

96.7%

61.0%

32.5

93.5%

61.6%

39.0

100.6%

61.1%

33.2

94.3%

60.8%

32.6

93.4%

58.2%

38.4

96.6%

60.5%

33.2

93.7%

60.8%

32.8

93.6%

60.5%

34.6

95.1%

60.8%

33.0

93.8%

60.8%

33.8

94.6%

63.4%

34.6

98.0%

61.2%

33.9

95.1%

Investment results, before income taxes, were as follows:

(In thousands)

Average investments, at cost(1)

Net investment income(1)

Percent earned on average investments(1)

Net investment gains (2)

Change in unrealized investment gains (losses) (3)

2017

17,530,590

575,788

3.3%

335,858

(69,425)

$

$

$

$

$

$

$

$

Year Ended December 31,

2016

16,730,964

564,163

3.4%

267,005

371,716

$

$

$

$

2015

15,970,931

512,645

3.2%

92,324

(192,186)

$

$

$

$

2014

15,560,335

600,885

3.9%

254,852

72,889

$

$

$

$

2013

14,848,386

544,291

3.7%

121,544

(399,122)

_______________________________________
(1) Includes investments, cash and cash equivalents, trading accounts receivable from brokers and clearing organizations, trading account securities sold but not yet

purchased and unsettled purchases.

(2) Represents realized gains on investments not classified as trading account securities.
(3) Represents the change in unrealized investment gains (losses) for available for sale securities.

For comparison, the following are the coupon returns for the Barclays U.S. Aggregate Bond Index and the dividend returns for the S&P 500 ® Index:

Barclays U.S. Aggregate Bond Index
S&P 500 ® Index

Year Ended December 31,

2017

2016

2015

2014

2013

3.0%

2.4

3.0%

2.4

3.0%

2.1

3.2%

2.1

3.1%

2.4

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The percentages of the fixed maturity portfolio categorized by contractual maturity, based on fair value, on the dates indicated, are set forth below. Actual

maturities may differ from contractual maturities because certain issuers may have the right to call or prepay certain obligations.

1 year or less

Over 1 year through 5 years

Over 5 years through 10 years

Over 10 years

Mortgage-backed securities

Total

Year Ended December 31,

2017

2016

2015

2014

2013

5.0%

7.9%

5.8%

7.0%

8.0%

37.2

24.8

23.3

9.7

39.6

24.6

18.8

9.1

33.6

30.5

20.3

9.8

32.4

29.8

20.4

10.4

30.5

27.5

22.3

11.7

100.0%

100.0%

100.0%

100.0%

100.0%

At December 31, 2017 , the fixed maturity portfolio had an effective duration of 3.0 years including cash and cash equivalents.

Loss and Loss Expense Reserves

To recognize liabilities for unpaid losses, either known or unknown, insurers establish reserves, which is a balance sheet account representing estimates of
future amounts needed to pay claims and related expenses with respect to insured events which have occurred. Estimates and assumptions relating to reserves for
losses and loss expenses are based on complex and subjective judgments, often including the interplay of specific uncertainties with related accounting and
actuarial measurements. Such estimates are also susceptible to change as significant periods of time may elapse between the occurrence of an insured loss, the
report of the loss to the insurer, the ultimate determination of the cost of the loss and the insurer’s payment of that loss.

In general, when a claim is reported, claims personnel establish a “case reserve” for the estimated amount of the ultimate payment based upon known
information about the claim at that time. The estimate represents an informed judgment based on general reserving practices and reflects the experience and
knowledge of the claims personnel regarding the nature and value of the specific type of claim. Reserves are also established on an aggregate basis to provide for
losses incurred but not reported (“IBNR”) to the insurer, potential inadequacy of case reserves and the estimated expenses of settling claims, including legal and
other fees and general expenses of administrating the claims adjustment process. Reserves are established based upon the then current legal interpretation of
coverage provided.

In examining reserve adequacy, several factors are considered in estimating the ultimate economic value of losses. These factors include, among others,

historical data, legal developments, changes in social attitudes and economic conditions, including the effects of inflation. The actuarial process relies on the basic
assumption that past experience, adjusted judgmentally for the effects of current developments and anticipated trends, is an appropriate basis for predicting future
outcomes. Reserve amounts are necessarily based on management’s informed estimates and judgments using currently available data. As additional experience and
other data become available and are reviewed, these estimates and judgments may be revised. This may result in reserve increases or decreases that would be
reflected in our results in periods in which such estimates and assumptions are changed.

The risk and complexity of estimating loss reserves are greater when economic conditions are uncertain. It is especially difficult to estimate the impact of

inflation on loss reserves given the current economic environment and related government actions. Whereas a slowing economy would generally lead to lower
inflation or even deflation, increased government spending would generally lead to higher inflation. A change in our assumptions regarding inflation would result
in reserve increases or decreases that would be reflected in our earnings in periods in which such assumptions are changed.

Reserves do not represent an exact calculation of liability. Rather, reserves represent an estimate of what management expects the ultimate settlement and

claim administration will cost. While the methods for establishing the reserves are well tested over time, some of the major assumptions about anticipated loss
emergence patterns are subject to unanticipated fluctuation. These estimates, which generally involve actuarial projections, are based on management’s assessment
of facts and circumstances then known, as well as estimates of trends in claims severity and frequency, judicial theories of liability and other factors, including the
actions of third parties, which are beyond the Company’s control. These variables are affected by external and internal events, such as inflation and economic
volatility, judicial and litigation trends, reinsurance coverage, legislative changes and claim handling and reserving practices, which make it more difficult to
accurately predict claim costs. The inherent uncertainties of estimating reserves are greater for certain types of liabilities where long periods of time elapse before a
definitive determination of liability is made. Although the loss reserves included in the Company’s financial statements

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adequate in light of subsequent events.

The Company discounts its liabilities for certain workers’ compensation reserves. The amount of workers’ compensation reserves that were discounted was
$1,855 million and $1,907 million at December 31, 2017 and 2016 , respectively. The aggregate net discount for those reserves, after reflecting the effects of ceded
reinsurance, was $591 million and $640 million at December 31, 2017 and 2016 , respectively. At December 31, 2017 , discount rates by year ranged from 2.0% to
6.5%, with a weighted average discount rate of 3.8%.

Substantially all discounted workers’ compensation reserves (97% of total discounted reserves at December 31, 2017 ) are excess workers’ compensation

reserves. In order to properly match loss expenses with income earned on investment securities supporting the liabilities, reserves for excess workers’
compensation business are discounted using risk-free discount rates determined by reference to the U.S. Treasury yield curve. These rates are determined annually
based on the weighted average rate for the period. Once established, no adjustments are made to the discount rate for that period, and any increases or decreases in
loss reserves in subsequent years are discounted at the same rate, without regard to when any such adjustments are recognized. The expected loss and loss expense
payout patterns subject to discounting are derived from the Company’s loss payout experience.

The Company also discounts reserves for certain other long-duration workers’ compensation reserves (representing approximately 3% of total discounted
reserves at December 31, 2017 ), including reserves for quota share reinsurance and reserves related to losses regarding occupational lung disease. These reserves
are discounted at statutory rates permitted by the Department of Insurance of the State of Delaware.

To date, known environmental and asbestos claims have not had a material impact on the Company’s operations, because its subsidiaries generally did not

insure large industrial companies that are subject to significant environmental or asbestos exposures prior to 1986 when an absolute exclusion was incorporated
into standard policy language.

The Company’s net reserves for losses and loss expenses relating to asbestos and environmental claims on policies written before adoption of the absolute
exclusion was $30 million at December 31, 2017 and $31 million at December 31, 2016 . The estimation of these liabilities is subject to significantly greater than
normal variation and uncertainty because it is difficult to make an actuarial estimate of these liabilities due to the absence of a generally accepted actuarial
methodology for these exposures and the potential effect of significant unresolved legal matters, including coverage issues, as well as the cost of litigating the legal
issues. Additionally, the determination of ultimate damages and the final allocation of such damages to financially responsible parties are highly uncertain.

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(In thousands)

Net reserves at beginning of year

Net provision for losses and loss expenses:

Claims occurring during the current year ( 1 )

Decrease in estimates for claims occurring in prior years (2)

Loss reserve discount amortization

Total

  Net payments for claims:

Current year

Prior years

Total

Foreign currency translation

Net reserves at end of year

Ceded reserves at end of year

Gross reserves at end of year

Net change in premiums and losses occurring in prior years:

Decrease in estimates for claims occurring in prior years (2)

Retrospective premium adjustments for claims occurring in prior years (3)

Net favorable premium and reserve development on prior years

2017

$

9,590,265

$

2016
9,244,872

$

2015
8,970,641

3,963,543

3,826,620

3,653,561

(5,165)

43,970

(29,904)

49,084

(46,713)

49,422

4,002,348

3,845,800

3,656,270

1,027,405

2,562,550

3,589,955

54,256

10,056,914

1,613,494

1,052,452

2,401,722

3,454,174

(46,233)

9,590,265

1,606,930

914,637

2,342,378

3,257,015

(125,024)

9,244,872

1,424,278

11,670,408

$

11,197,195

$

10,669,150

5,165

32,162

37,327

$

$

29,904

29,000

58,904

$

$

46,713

16,730

63,443

$

$

$

____________________________________
(1) Claims occurring during the current year are net of loss reserve discounts of $22,064,000 , $18,929,000 and $20,357,000 in 2017 , 2016 and 2015 ,

respectively.

(2) The decrease in estimates for claims occurring in prior years is net of loss reserve discount. On an undiscounted basis, the estimates for claims occurring in

prior years decreased by $32,132,000 in 2017 , $59,175,000 in 2016 and $64,971,000 in 2015 .

(3) For certain retrospectively rated insurance polices and reinsurance agreements, changes in loss and loss expenses for prior years are offset by additional or

return premiums.

Also, see Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and note 14, Reserves for Losses and Loss

Expenses included in our audited consolidated financial statements for further information regarding the decrease in estimates for claims occurring in prior years.

A reconciliation between the reserves as of December 31, 2017 as reported in the accompanying consolidated GAAP financial statements and those reported

on the basis of statutory accounting principles (“SAP”) in the Company’s U.S. regulatory filings is as follows:

(In thousands)
Net reserves reported in U.S. regulatory filings on a SAP basis

Reserves for non-U.S. companies

Loss reserve discounting (1)

Ceded reserves

Gross reserves reported in the consolidated GAAP financial statements

$

9,567,830

580,994

(91,910)

1,613,494

$

11,670,408

_________________________
(1) For statutory purposes, the Company discounts its workers’ compensation reinsurance reserves at 3.0% as permitted by the Department of Insurance of the
State of Delaware. In its GAAP financial statements, the Company discounts excess workers’ compensation reserves at the risk-free rate and assumed
workers’ compensation reserves at the statutory rate.

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Reinsurance

We follow a common industry practice of reinsuring a portion of our exposures and paying to reinsurers a portion of the premiums received on the policies
that we write. Reinsurance is purchased principally to reduce net liability on individual risks and to protect against catastrophic losses. Although reinsurance does
not legally discharge an insurer from its primary liability for the full amount of the policies, it does make the assuming reinsurer contractually liable to the insurer
to the extent of the reinsurance coverage. We monitor the financial condition of our reinsurers and attempt to place our coverages only with substantial, financially
sound carriers. As a result, generally the reinsurers who reinsure our casualty insurance must have an A.M. Best rating of “A (Excellent)” or better with at least $1
billion in policyholder surplus and the reinsurers who cover our property insurance must have an A.M. Best rating of “A- (Excellent)” or better with at least $1
billion in policyholder surplus.

Regulation

U.S. Regulation

Our U.S. insurance subsidiaries are subject to varying degrees of regulation and supervision in the jurisdictions in which they do business.

Overview . Our domestic insurance subsidiaries are subject to statutes which delegate regulatory, supervisory and administrative powers to state insurance
commissioners. This regulation relates to such matters as the standards of solvency which must be met and maintained; the licensing of insurers and their agents;
the nature of and limitations on investments; deposits of securities for the benefit of policyholders; approval of certain policy forms and premium rates; periodic
examination of the affairs of insurance companies; annual and other reports required to be filed on the financial condition of insurers or for other purposes;
establishment and maintenance of reserves for unearned premiums, loss expenses and losses; and requirements regarding numerous other matters. Our property
casualty subsidiaries, other than excess and surplus and reinsurance subsidiaries, must generally file all rates with the insurance department of each state in which
they operate. Our excess and surplus and reinsurance subsidiaries generally operate free of rate and form regulation.

Holding Company Statutes . In addition to regulatory supervision of our insurance subsidiaries, we are subject to state statutes governing insurance holding
company systems. Under the terms of applicable state statutes, any person or entity desiring to purchase more than a specified percentage (commonly 10%) of our
outstanding voting securities would be required to obtain prior regulatory approval of the purchase. Typically, such statutes require that we periodically file
information with the appropriate state insurance commissioner, including information concerning our capital structure, ownership, financial condition and general
business operations.

In addition, we must annually submit to our lead state regulator an “enterprise risk management report” which identifies the activities and circumstances of

any affiliated company that might have a material adverse effect on the financial condition of our group or our U.S. licensed insurers.

Several states have also adopted changes to the holding company act that authorize U.S. insurance regulators to lead or participate in the group-wide
supervision of certain international insurance groups. International standard setters, such as the International Association of Insurance Supervisors, are developing
capital standards for international groups, and U.S. insurance regulators are currently working on U.S. group capital standards for insurance groups. The U.S. group
capital calculation is expected to incorporate existing risk-based capital standards. It is unclear how the development of group capital measures will interact with
existing capital requirements for insurance companies in the United States and with international capital standards. It is possible that we may be required to hold
additional capital as a result of these developments.

Most states have adopted the National Association of Insurance Commissioners' (“NAIC”) Risk Management and Own Risk and Solvency Assessment

Model Act (the “ORSA Model Act”), which requires an insurance holding company system’s chief risk officer to submit annually to its lead state insurance
regulator an Own Risk and Solvency Assessment Summary Report (“ORSA”). The ORSA is a confidential internal assessment of the material and relevant risks
associated with an insurer’s current business plan and the sufficiency of capital resources to support those risks. Under ORSA, we are required to:

•

•

•

regularly, no less than annually, conduct an ORSA to assess the adequacy of our risk management framework, and current and estimated projected
future solvency position;

internally document the process and results of the assessment; and

provide a confidential high-level ORSA Summary Report annually to the Commissioner of Insurance of the State of Delaware (our lead state
commissioner).

Cybersecurity Regulations. New York’s cybersecurity regulation for financial services institutions that are authorized by the New York State Department of

Financial Services ("Part 500"), including our insurance subsidiaries licensed in New York, became effective on March 1, 2017. The regulation, which is being
implemented in stages, requires these entities to establish

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systems. On October 24, 2017, the NAIC adopted the Insurance Data Security Model Law (the “Cybersecurity Model Law”), which establishes standards for data
security, the investigation of cybersecurity events involving unauthorized access to, or the misuse of, certain nonpublic information, and reporting to insurance
commissioners. The Cybersecurity Model Law imposes significant new regulatory burdens intended to protect the confidentiality, integrity and availability of
information systems. Its implementation will be based on adoption by state legislatures. Importantly, the Cybersecurity Model Law states that a licensee’s
compliance with the New York cybersecurity regulation shall constitute compliance with the Cybersecurity Model Law. We made the initial certification as
required by Part 500 for licensed entities. We cannot predict the impact, if any, that any proposed or future cybersecurity regulations will have on our business,
financial condition or results of operations.

Risk Based Capital Requirements . The NAIC utilizes a Risk Based Capital (“RBC”) formula that is designed to measure the adequacy of an insurer's

statutory surplus in relation to the risks inherent in its business. The RBC formula develops a risk adjusted target level of adjusted statutory capital by applying
certain factors to various asset, premium and reserve items. The NAIC RBC Model Law provides for four incremental levels of regulatory attention for insurers
whose surplus is below the calculated RBC target. These levels of attention range in severity from requiring the insurer to submit a plan for corrective action to
actually placing the insurer under regulatory control. The RBC of each of our domestic insurance subsidiaries was above any RBC action level as of December 31,
2017 .

Insurance Regulatory Information System. The NAIC also has developed a set of 13 financial ratios referred to as the Insurance Regulatory Information

System (“IRIS”). On the basis of statutory financial statements filed with state insurance regulators, the NAIC annually calculates these IRIS ratios to assist state
insurance regulators in monitoring the financial condition of insurance companies. The NAIC has established an acceptable range for each of the IRIS financial
ratios.

Guaranty Funds . Our U.S. insurance subsidiaries are also subject to assessment by state guaranty funds when an insurer in a particular jurisdiction has been
judicially declared insolvent and the insolvent company's available funds are insufficient to pay policyholders and claimants the amounts to which they are entitled.
The protection afforded under a state's guaranty fund to policyholders of the insolvent insurer varies from state to state. Generally, all licensed property casualty
insurers are considered to be members of the fund, and assessments are based upon their pro rata share of direct written premiums in that state. The NAIC Model
Post-Assessment Guaranty Fund Act, which many states have adopted, limits assessments to an insurer to 2% of its subject premium and permits recoupment of
assessments through rate setting. Likewise, several states (or underwriting organizations of which our insurance subsidiaries are required to be members) have
limited assessment authority with regard to deficits in certain lines of business.

Additionally, state insurance laws and regulations require us to participate in mandatory property-liability “shared market,” “pooling” or similar
arrangements that provide certain types of insurance coverage to individuals or others who otherwise are unable to purchase coverage voluntarily provided by
private insurers. Shared market mechanisms include assigned risk plans and fair access to insurance requirement or “FAIR” plans. In addition, some states require
insurers to participate in reinsurance pools for claims that exceed specified amounts. Our participation in these mandatory shared market or pooling mechanisms
generally is related to the amount of our direct writings for the type of coverage written by the specific arrangement in the applicable state.

Dividends . We receive funds from our insurance company subsidiaries in the form of dividends and management fees for certain management services.

Annual dividends in excess of maximum amounts prescribed by state statutes may not be paid without the approval of the insurance commissioner of the state in
which an insurance subsidiary is domiciled. See “Management's Discussion and Analysis of Financial Condition and Results of Operations-Liquidity and Capital
Resources.”

Trade Practices . State insurance laws and regulations include numerous provisions governing trade practices and the marketplace activities of insurers,

including provisions governing marketing and sales practices, policyholder services, claims management and complaint handling. State regulatory authorities
generally enforce these provisions through periodic market conduct examinations.

 Investment Regulation. Investments by our domestic insurance companies must comply with applicable laws and regulations which prescribe the kind,

quality and concentration of investments. In general, these laws and regulations permit investments in federal, state and municipal obligations, corporate bonds,
preferred and common equity securities, mortgage loans, real estate and certain other investments, subject to specified limits and certain other qualifications.
Investments that do not comply with these limits and qualifications are deducted in our insurance subsidiaries' calculation of their statutory capital and surplus.

Terrorism Risk Insurance. The Terrorism Risk Insurance Act of 2002 established a Federal program that provides for a system of shared public and private
compensation for insured losses resulting from acts of terrorism. Pursuant to the Terrorism Risk Insurance Program Reauthorization Act of 2015 (“TRIPRA”), the
program has been extended for a six year period ending on December 31, 2020. TRIPRA provides a federal backstop to all U.S. based property and casualty
insurers for insurance

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commercial lines of property and casualty insurance but excludes commercial auto, burglary and theft, surety, professional liability and farm owners' multi-peril
insurance. Insurers with direct commercial property and casualty insurance exposure in the United States are required to participate in the program and make
available coverage for certified acts of terrorism. TRIPRA's definition of certified acts includes domestic terrorism. Federal participation will be triggered under
TRIPRA when the Secretary of Treasury certifies an act of terrorism. Under the program, the federal government will currently pay 83% of an insurer's covered
losses in excess of the insurer's applicable deductible. This amount will decrease to 80% on a pro-rata basis over five years, which began in 2017. The insurer's
deductible is based on 20% of earned premium for the prior year for covered lines of commercial property and casualty insurance. Based on our 2017 earned
premiums, our aggregate deductible under TRIPRA during 2018 will be approximately $948 million. The federal program will not pay losses for certified acts
unless such losses exceed $160 million industry-wide for calendar year 2018. This threshold will increase to $200 million on a pro-rata basis over five years which
began in 2016. TRIPRA limits the federal government's share of losses at $100 billion for a program year. In addition, an insurer that has satisfied its deductible is
not liable for the payment of losses in excess of the $100 billion cap.

Excess and Surplus Lines . The regulation of our U.S. subsidiaries' excess and surplus lines insurance business differs significantly from the regulation of
our admitted business. Our surplus lines subsidiaries are subject to the surplus lines regulation and reporting requirements of the jurisdictions in which they are
eligible to write surplus lines insurance. Although the surplus lines business is generally less regulated than admitted business, principally with respect to rates and
policy forms, strict regulations apply to surplus lines placements in the laws of every state and the regulation of surplus lines insurance may undergo changes in the
future. Federal or state measures may be introduced to increase the oversight of surplus lines insurance in the future.

Federal Regulation. Although the federal government and its regulatory agencies generally do not directly regulate the business of insurance, federal
initiatives could have an impact on our business in a variety of ways. The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 (the “Dodd-Frank
Act”) effected sweeping changes to financial services regulation in the United States. The Dodd-Frank Act created two new federal government bodies, the Federal
Insurance Office (the “FIO”) and the Financial Stability Oversight Council (the “FSOC”), which may impact the regulation of insurance. Although the FIO has
preemption authority over state insurance laws that conflict with certain international agreements, it does not have general supervisory or regulatory authority over
the business of insurance. The FIO has authority to represent the United States in international insurance matters and is authorized to monitor the U.S. insurance
industry and identify potential regulatory gaps that could contribute to systemic risk. The current administration and the Republican party have expressed their
desire to amend the Dodd-Frank Act. On June 8, 2017, the U.S. House of Representatives passed the Financial CHOICE Act of 2017, which proposes to amend or
repeal various sections of the Dodd-Frank Act. This proposed legislation is under consideration by the U.S. Senate.

The Dodd-Frank Act authorizes the Secretary of the Treasury and U.S. Trade Representative to enter into international agreements of mutual recognition

regarding the prudential regulation of insurance or reinsurance (a “Covered Agreement”). On January 13, 2017, the U.S. Department of Treasury and the U.S.
Trade Representative announced the completion of Covered Agreement negotiations with the European Union (“EU”) regarding the prudential regulation of
insurance and reinsurance and provided the text of the Covered Agreement. The Covered Agreement addresses three areas of prudential supervision: reinsurance,
group supervision and the exchange of information between the U.S. and EU.

The U.S. and EU signed the Covered Agreement on September 22, 2017, and each party has begun the process of completing its internal requirements and

procedures (such as amending or promulgating appropriate statutes and regulations) in order for the Covered Agreement to enter into force. Under the Covered
Agreement, reinsurance collateral requirements will no longer apply to qualifying EU reinsurers that sell reinsurance to the U.S. market, and U.S. reinsurers
operating in the EU market will no longer be subject to “local presence” requirements. The Covered Agreement establishes group supervision practices that apply
only to U.S. and EU insurance groups operating in both territories. For instance, the Covered Agreement provides that U.S. insurance groups with operations in the
EU will be supervised at the worldwide level only by U.S. insurance regulators, and precludes EU insurance supervisors from exercising solvency and capital
requirements over the worldwide operations of U.S. insurers.

U.S. states have five years from the date of signature to remove collateral requirements for EU reinsurers that meet certain standards, while EU member
states have two years to revise their “local presence” laws. Under the Dodd-Frank Act, the FIO has preemption authority over state insurance laws that conflict
with the Covered Agreement. The FIO is required to report to Congress annually on the insurance industry and any preemption actions regarding any Covered
Agreement.

The FIO also can recommend to the FSOC that it designate an insurer as an entity posing risks to the United States' financial stability in the event of the
insurer's material financial distress or failure, i.e., a "systemically important financial institution." An insurer so designated by FSOC will be subject to Federal
Reserve supervision and heightened prudential standards. As of December 31, 2017, one insurance group is subject to this supervision and heightened standards. In

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000November 2017, the U.S. Department of Treasury issued a report recommending certain changes to FSOC’s process for designating nonbank financial companies
as systemically significant in order to make the designation process more rigorous, clear and transparent. Any suggested changes ultimately adopted by the FSOC
would be implemented by FSOC directly, rather than through legislation.

Based upon our current business model and balance sheet, we do not believe that we will be designated by the FSOC as such an institution. Although the
potential impacts of the Dodd-Frank Act, its implementing regulations and potential amendments to the Dodd-Frank Act on the U.S. insurance industry are not
clear, our business could be affected by changes to the U.S. system of insurance regulation or our designation or the designation of insurers or reinsurers with
which we do business as systemically important non-bank financial companies.

International Regulation

Our insurance subsidiaries based in the United Kingdom are regulated by the Prudential Regulation Authority ("PRA") and the Financial Conduct Authority

("FCA"). The PRA's primary objectives with regard to insurers are to promote the safety and soundness of insurers and to contribute to the securing of an
appropriate degree of protection for current and future policyholders, while the FCA has three operational objectives: (i) to secure an appropriate degree of
protection for consumers, (ii) to protect and enhance the integrity of the United Kingdom financial system, and (iii) to promote effective competition in the
interests of consumers in the financial services markets. The PRA and FCA employ a variety of regulatory tools to achieve their objectives, including periodic
auditing and reporting requirements, risk assessment reviews, minimum solvency margins and individual capital assessment requirements, dividend restrictions, in
certain cases, approval requirements governing the appointment of key officers, approval requirements governing controlling ownership interests and various other
requirements. Our Lloyd's managing agency is also regulated by the PRA, FCA and Lloyd's, and the Lloyd's syndicate business is subject to Lloyd's supervision.
Through Lloyd's, we are licensed to write business in various countries throughout the world by virtue of Lloyd's international licenses. In each such country, we
are subject to the laws and insurance regulation of that country. Our insurance subsidiary based in Liechtenstein is regulated by the Financial Market Authority of
Liechtenstein, which has regulatory tools analogous to those of the U.K. regulators noted above.  Additionally, U.K. and Liechtenstein laws and regulations also
impact us as “controllers” of our European-regulated subsidiaries, whereby we are required to notify the appropriate authorities about significant events relating to
such regulated subsidiaries' controllers (i.e. persons or entities which have certain levels of direct or indirect voting power or economic interests in the regulated
entities) as well as changes of control, and to submit annual reports regarding their controllers. The PRA/FCA's Senior Insurance Managers Regime ("SIMR") (and
the Senior Managers and Certification Regime which is intended to be extended to insurers, thereby replacing the SIMR in late 2018) and analogous regulation in
Liechtenstein further provide regulatory frameworks for standards of fitness and propriety, conduct and accountability for individuals in positions of responsibility
at insurers. In addition, certain employees are individually registered at Lloyd's.

Our insurance business throughout the European Union is subject to "Solvency II", an insurance regulatory regime governing, among other things, capital

adequacy and risk management which became effective on January 1, 2016. Lloyd’s applies a capital adequacy test to all Lloyd’s syndicates, including our
syndicate, that is based on Solvency II principles. Solvency II provides for the supervision of group solvency. Under Solvency II, it is possible that the U.S. parent
of a European Union subsidiary could be subject to certain Solvency II requirements if the U.S. company is not already subject to regulations deemed “equivalent”
to Solvency II. Currently, the U.S. system of insurance regulation relating to group supervision is not deemed "equivalent" to Solvency II by European Union
authorities. However, we have received a waiver from the PRA, subject to conditions, with respect to the PRA's supervision of our group, which waives the
requirement on us to maintain a group solvency capital requirement as calculated under Solvency II rules. The Covered Agreement also prohibits any EU
supervisor from exercising group-wide supervision at any level above the highest company organized in the country of that supervisor.

We must also comply with the recently enacted European Union General Data Protection Regulation (“GDPR”). All EU member states must implement

GDPR by May 2018. The regulation’s goal is to impose increased individual rights and protections for all personal data located in or originating from the EU.
GDPR is extraterritorial in that it applies to all business in the EU and any business outside the EU that process EU personal data of individuals in the EU.
Moreover, there are significant fines associated with non-compliance.

Our international operations are also subject to varying degrees of regulation in Mexico, Australia and Canada and in certain other countries in Europe,

South America, and Southeast Asia. Generally, our subsidiaries must satisfy local regulatory requirements. While each country imposes licensing, solvency,
auditing and financial reporting requirements, the type and extent of the requirements differ substantially. Key areas where country regulations may differ include:
(i) the type of financial reports to be filed; (ii) a requirement to use local intermediaries; (iii) the amount of reinsurance permissible; (iv) the scope of any regulation
of policy forms and rates; and (v) the type and frequency of regulatory examinations.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Competition

The property casualty insurance and reinsurance businesses are highly competitive, with many insurance companies of various sizes, as well as other entities

offering risk alternatives such as self-insured retentions or captive programs, transacting business in the United States and internationally. We compete directly
with a large number of these companies. Competition in our industry is largely measured by the ability to provide insurance and services at a price and on terms
that are reasonable and acceptable to the customer. Our strategy in this highly fragmented industry is to seek specialized areas or geographic regions where our
operating units can gain a competitive advantage by responding quickly to changing market conditions. Our operating units establish their own pricing practices
based upon a Company-wide philosophy to price products with the intent of making an underwriting profit.

Competition for the Insurance business within the United States comes from other specialty insurers, regional carriers, large national multi-line companies
and reinsurers. Our specialty operating units compete with excess and surplus insurers as well as standard carriers. Other regional units compete with mutual and
other regional stock companies as well as national carriers. Additionally, direct writers of property casualty insurance compete with our regional units by writing
insurance through their salaried employees, generally at a lower acquisition cost than through independent agents such as those used by the Company. Our
Insurance operations compete internationally with native insurance operations both large and small, which in some cases are related to government entities, as well
as with branches or local subsidiaries of multinational companies.

Competition for the Reinsurance business, which is especially strong, comes from domestic and foreign reinsurers, which produce their business either on a
direct basis or through the broker market. These competitors include Swiss Re, Munich Re, Berkshire Hathaway, Transatlantic Reinsurance, Partner Re and others.

In recent years, various institutional investors have increasingly sought to participate in the property and casualty insurance and reinsurance industries.
Well-capitalized new entrants to the property and casualty insurance and reinsurance industries, or existing competitors that receive substantial infusions of capital,
provide increasing competition, which may adversely impact our business and profitability. Further, an expanded supply of reinsurance capital may lower costs for
insurers that rely on reinsurance and, as a consequence, those insurers may be able to price their products more competitively.

Employees

As of January 31, 2018 , we employed 7,722 individuals. Of this number, our subsidiaries employed 7,576 persons and the remaining persons were

employed at the parent company.

Other Information about the Company's Business

We maintain an interest in the acquisition and startup of complementary businesses and continue to evaluate possible acquisitions and new ventures on an

ongoing basis. In addition, our operating units develop new coverages or enter lines of business to meet the needs of insureds.

Seasonal weather variations and other events affect the severity and frequency of losses sustained by the insurance and reinsurance operating units.
Although the effect on our business of catastrophes such as tornadoes, hurricanes, hailstorms, earthquakes and terrorist acts may be mitigated by reinsurance, they
nevertheless can have a significant impact on the results of any one or more reporting periods.

We have no customer that accounts for 10 percent or more of our consolidated revenues.

Compliance by W. R. Berkley and its subsidiaries with federal, state and local provisions that have been enacted or adopted regulating the discharge of
materials into the environment, or otherwise relating to protection of the environment, has not had a material effect upon our capital expenditures, earnings or
competitive position.

The Company's internet address is www.wrberkley.com. The information on our website is not incorporated by reference in this annual report on Form 10-

K. The Company's annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, amendments to those reports filed or furnished
pursuant to Section 13(a) or 15(d) of the Securities Exchange Act and other reports filed by us or with respect to our securities by others are accessible free of
charge through this website as soon as reasonably practicable after they have been electronically filed with or furnished to the SEC.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000ITEM 1A. RISK FACTORS

 Our businesses face significant risks. If any of the events or circumstances described as risks below occur, our businesses, results of operations and/or

financial condition could be materially and adversely affected. In addition to those described below, our businesses may also be adversely affected by risks and
uncertainties not currently known to us or that we currently consider immaterial.

Risks Relating to Our Industry

Our results may fluctuate as a result of many factors, including cyclical changes in the insurance and reinsurance industry.

The results of companies in the property casualty insurance industry historically have been subject to significant fluctuations and uncertainties in demand

and pricing, causing cyclical changes in the insurance and reinsurance industry. The demand for insurance is influenced primarily by general economic conditions,
while the supply of insurance is often directly related to available capacity or the perceived profitability of the business. In recent years, we have faced increased
competition in our business, as a result of new entrants and existing insurers seeking to gain market share, resulting in decreased premium rates and less favorable
contract terms and conditions for certain lines of business. The adequacy of premium rates is affected mainly by the severity and frequency of claims, which are
influenced by many factors, including natural disasters, regulatory measures and court decisions that define and expand the extent of coverage and the effects of
economic inflation on the amount of compensation due for injuries or losses. In addition, investment rates of return have impacted rate adequacy, with interest rates
remaining at or near historic lows. These factors can have a significant impact on ultimate profitability because a property casualty insurance policy is priced
before its costs are known as premiums usually are determined long before claims are reported. These factors could produce results that would have a negative
impact on our results of operations and financial condition.

We face significant competitive pressures in our businesses, which have reduced premium rates in certain areas and could harm our ability to maintain

or increase our profitability and premium volume.

We compete with a large number of other companies in our selected lines of business. We compete, and will continue to compete, with major U.S. and non-

U.S. insurers and reinsurers, other regional companies, as well as mutual companies, specialty insurance companies, underwriting agencies and diversified
financial services companies. Competitiveness in our businesses is based on many factors, including premium charges, ratings assigned by independent rating
agencies, commissions paid to producers, the perceived financial strength of the company, other terms and conditions offered, services provided (including ease of
doing business over the internet), speed of claims payment and reputation and experience in the lines to be written. In recent years, the insurance industry has
undergone increasing consolidation, which may further increase competition.

Some of our competitors, particularly in the Reinsurance business, have greater financial and/or marketing resources than we do. These competitors within

the reinsurance segment include Swiss Re, Munich Re, Berkshire Hathaway, Transatlantic Reinsurance, and Partner Re. We expect that perceived financial
strength, in particular, will become more important as customers seek high quality reinsurers.

Over the past several years, we have faced increased competition in our business, as increased supply has led to reduced prices and, at times, less favorable
terms and conditions. Our E&S operating units have also encountered competition from admitted companies seeking to increase market share. Although insurance
prices have generally increased for most lines of business since 2011, the rate of increase has declined in more recent years. Loss costs have also increased over
that period of time. With the low level of interest rates available, current price levels for certain lines of business remain below the prices required for us to achieve
our long-term return objectives. We expect to continue to face strong competition in these and our other lines of business and as a result pressure on pricing and
policy terms and conditions.

In recent years, various institutional investors have increasingly sought to participate in the property and casualty insurance and reinsurance industries.
Well-capitalized new entrants to the property and casualty insurance and reinsurance industries, or existing competitors that receive substantial infusions of capital,
provide increasing competition, which may adversely impact our business and profitability. Further, an expanded supply of reinsurance capital may lower costs for
insurers that rely on reinsurance and, as a consequence, those insurers may be able to price their products more competitively. In addition, technology companies
or other third parties have created, and may in the future create, digitally-enabled business models, platforms or alternate distribution channels that may adversely
impact our competitive position.

This intense competition could cause the supply and/or demand for insurance or reinsurance to change, which affect our ability to price our products at

attractive rates and retain existing business or write new products at adequate rates or on terms and conditions acceptable to us. If we are unable to retain existing
business or write new business at adequate rates or on terms and conditions acceptable to us, our results of operations could be materially and adversely affected.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Our actual claims losses may exceed our reserves for claims, which may require us to establish additional reserves.

Our gross reserves for losses and loss expenses were approximately $ 11.7 billion as of December 31, 2017 . Our loss reserves reflect our best estimates of

the cost of settling claims and related expenses with respect to insured events that have occurred.

Reserves do not represent an exact calculation of liability. Rather, reserves represent an estimate of what management expects the ultimate settlement and
claims administration will cost for claims that have occurred, whether known or unknown. The major assumptions about anticipated loss emergence patterns are
subject to unanticipated fluctuation. These estimates, which generally involve actuarial projections, are based on management's assessment of facts and
circumstances then known, as well as estimates of future trends in claims severity and frequency, inflation, judicial theories of liability, reinsurance coverage,
legislative changes and other factors, including the actions of third parties, which are beyond our control.

The inherent uncertainties of estimating reserves are greater for certain types of liabilities, where long periods of time elapse before a definitive
determination of liability is made and settlement is reached. In periods with increased economic volatility, it becomes more difficult to accurately predict claim
costs. It is especially difficult to estimate the impact of inflation on loss reserves given the current economic environment and related government actions. Both
inflation overall and medical cost inflation, which has historically been greater than inflation overall, can have an adverse impact.

Reserve estimates are continually refined in an ongoing process as experience develops and further claims are reported and settled. Adjustments to reserves

are reflected in the results of the periods in which such estimates are changed. Because setting reserves is inherently uncertain, we cannot assure that our current
reserves will prove adequate in light of subsequent events. Should we need to increase our reserves, our pre-tax income for the reporting period would decrease by
a corresponding amount.

We discount our reserves for excess and assumed workers' compensation business because of the long period of time over which losses are paid.

Discounting is intended to appropriately match losses and loss expenses to income earned on investment securities supporting liabilities. The expected loss and loss
expense payout pattern subject to discounting is derived from our loss payout experience. Changes in the loss and loss expense payout pattern are recorded in the
period they are determined. If the actual loss payout pattern is shorter than anticipated, the discount will be reduced and pre-tax income will decrease by a
corresponding amount.

The effects of emerging claim and coverage issues on our business are uncertain.   

As industry practices and economic, legal, judicial, social and other environmental conditions change, unexpected and unintended issues related to claim

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. Examples of emerging claims and coverage issues include, but are not limited to:

•

•

judicial expansion of policy coverage and the impact of new theories of liability;

plaintiffs targeting property and casualty insurers, including us, in purported class action litigation relating to claims-handling and other practices;

• medical developments that link health issues to particular causes, resulting in liability claims; and

•

claims relating to unanticipated consequences of current or new technologies, including cyber security related risks; 
changing climate conditions.

 and claims relating to potentially

In some instances, these emerging issues may not become apparent for some time after we have issued the affected insurance policies. As a result, the full

extent of liability under our insurance policies may not be known until many years after the policies are issued.

In addition, the potential passage of new legislation designed to expand the right to sue, to remove limitations on recovery, to extend the statutes of

limitations or otherwise to repeal or weaken tort reforms could have an adverse impact on our business.

The effects of these and other unforeseen emerging claim and coverage issues are difficult to predict and could harm our business and materially and

adversely affect our results of operations.

As a property casualty insurer, we face losses from natural and man-made catastrophes.

Property casualty insurers are subject to claims arising out of catastrophes that may have a significant effect on their results of operations, liquidity and

financial condition. Catastrophe losses have had a significant impact on our results. For example, catastrophe losses net of reinsurance recoveries were $184
million in 2017 , $105 million in 2016 , $58 million in 2015 , $87 million in 2014 and $65 million in 2013 . Similarly, man-made catastrophes can also have a
material impact on our financial results.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Catastrophes can be caused by various events, including hurricanes, windstorms, earthquakes, tsunamis, hailstorms, explosions, severe winter weather and
fires, as well as terrorist and other man-made activities, including drilling, mining and other industrial accidents, cyber events or terrorist activities. The incidence
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. Some catastrophes are restricted to small geographic areas; however, hurricanes, earthquakes, tsunamis and
other disasters may produce significant damage in large, heavily populated areas. Catastrophes can cause losses in a variety of our property and casualty lines, and
most of our past catastrophe-related claims have resulted from severe storms. Seasonal weather variations or the impact of climate change may affect the severity
and frequency of our losses. Insurance companies are not permitted to reserve for a catastrophe until it has occurred. It is therefore possible that a catastrophic
event or multiple catastrophic events could produce significant losses and have a material adverse effect on our results of operations and financial condition.

Changing climate conditions may increase the frequency and severity of catastrophic events and thereby adversely affect our financial condition and

results.  

Over the past several years, changing weather patterns and climatic conditions, such as global warming, appear to have contributed to the unpredictability,

frequency and severity of natural disasters and created additional uncertainty as to future trends and exposures.  There is a growing scientific consensus that global
warming and other climate change are increasing the frequency and severity of catastrophic weather  events, such as hurricanes, tornadoes, windstorms, floods and
other natural disasters.  Such changes make it more difficult for us to predict and model catastrophic events, reducing our ability to accurately price our exposure to
such events and mitigate our risks. Any increase in the frequency or severity of natural disasters may adversely affect our financial condition and results.

We, as a primary insurer, may have significant exposure for terrorist acts.

To the extent an act of terrorism, whether a domestic or foreign act, is certified by the Secretary of Treasury, we may be covered under the Terrorism Risk

Insurance Program Reauthorization Act of 2015 (“TRIPRA”), for up to 83% of our losses for certain property/casualty lines of insurance. However, any such
coverage would be subject to a mandatory deductible based on 20% of earned premium for the prior year for the covered lines of commercial property and casualty
insurance. Based on our 2017 earned premiums, our aggregate deductible under TRIPRA during 2018 is approximately $948 million. TRIPRA is currently in
effect through December 31, 2020. In addition, the coverage provided under TRIPRA does not apply to reinsurance that we write.

We are subject to extensive governmental regulation, which increases our costs and could restrict the conduct of our business.

We are subject to extensive governmental regulation and supervision in both the United States and foreign jurisdictions. Most insurance regulations are
designed to protect the interests of policyholders rather than stockholders and other investors. This system of regulation, generally administered in the United
States by a department of insurance in each state in which we do business, relates to, among other things:

•

•

•

•

•

•

•

standards of solvency, including risk-based capital measurements;

restrictions on the nature, quality and concentration of investments;

requirements pertaining to certain methods of accounting;

evaluating enterprise risk to an insurer;

rate and form regulation pertaining to certain of our insurance businesses;

potential assessments for the provision of funds necessary for the settlement of covered claims under certain policies provided by impaired, insolvent or
failed insurance companies; and

involvement in the payment or adjudication of catastrophe or other claims beyond the terms of the policies.

State insurance departments conduct periodic examinations of the affairs of insurance companies and require the filing of annual and other reports relating
to the financial condition of insurance companies, holding company issues and other matters. Our Insurance business internationally is also generally subject to a
similar regulatory scheme in each of the jurisdictions where we conduct operations outside the United States.

Federal financial services modernization legislation and legislative and regulatory initiatives taken or which may be taken in response to conditions in the

financial markets, global insurance supervision and other factors may lead to additional federal regulation of the insurance industry in the coming years.

The Dodd-Frank Act effected sweeping changes to financial services regulation in the United States. The Dodd-Frank Act established the Financial Stability

Oversight Council (“FSOC”), which is authorized to recommend that certain

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000systemically significant non-bank financial companies, including insurance companies, be regulated by the Board of Governors of the Federal Reserve. The Dodd-
Frank Act also established a Federal Insurance Office (“FIO”) which is authorized to study, monitor and report to Congress on the U.S. insurance industry and the
significance of global reinsurance to the U.S. insurance market. The FIO also can recommend to the FSOC that it designate an insurer as an entity posing risks to
the United States financial stability in the event of the insurer's material financial distress or failure. The potential impact of the Dodd-Frank Act on the
U.S. insurance business is not clear. Our business could be affected by changes, whether as a result of the Dodd-Frank Act or otherwise, to the U.S. system of
insurance regulation or our designation or the designation of insurers or reinsurers with which we do business as systemically significant non-bank financial
companies.

One insurance group is subject to Federal Reserve supervision and heightened prudential standards as a systematically significant financial institution.

The current administration and the Republican party have expressed their desire to amend the Dodd-Frank Act. On June 8, 2017, the U.S. House of
Representatives passed the Financial CHOICE Act of 2017, which proposes to amend or repeal various sections of the Dodd-Frank Act. This proposed legislation
is under consideration by the U.S. Senate. We are not able to predict whether any such proposal to amend or repeal certain sections of the Dodd-Frank Act would
have a material effect on our business operations and cannot identify the risks, if any, that may be posed to our businesses as a result of changes to, or legislative
replacements for, the Dodd-Frank Act.

Although state regulation is the primary form of regulation of insurance and reinsurance in the United States, in addition to the changes brought about by the

Dodd-Frank Act, Congress has considered various proposals relating to the creation of an optional federal charter, repeal of the insurance company antitrust
exemption from the McCarran-Ferguson Act, and tax law changes. We may be subject to potentially increased federal oversight as a financial institution. In
addition, the current administration and the volatile political environment may increase the chance of other federal legislative and regulatory changes that could
affect us in ways we cannot predict.

With respect to international measures, Solvency II, the EU regime concerning the capital adequacy, risk management and regulatory reporting for insurers

and reinsurers may affect our insurance businesses. Implementation of Solvency II in EU member states occurred on January 1, 2016, and as the Solvency II
regime evolves over time, we may be required to utilize a significant amount of resources to ensure compliance. In addition, despite the waiver of the Solvency II
group capital requirements we received, Solvency II may have the effect of increasing the capital requirements of our EU domiciled insurers. Additionally, our
capital requirements and compliance requirements may be adversely affected if the EU commission does not deem the insurance regulatory regimes of the
jurisdictions outside the EU in which we have insurance or reinsurance companies domiciled to be "equivalent" to Solvency II.

We may be unable to maintain all required licenses and approvals and our business may not fully comply with the wide variety of applicable laws and

regulations or the relevant authority's interpretation of the laws and regulations. Also, some regulatory authorities have relatively broad discretion to grant, renew
or revoke licenses and approvals. If we do not have the requisite licenses and approvals or 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 monetarily penalize us. 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,
may further restrict the conduct of our business.

Risks Relating to Our Business

Our international operations expose us to investment, political and economic risks, including foreign currency and credit risk.

Our expanding international operations in the United Kingdom, Continental Europe, South America, Canada, Mexico, Scandinavia, the Asia-Pacific region,

Africa and Australia expose us to increased investment, political and economic risks, including foreign currency and credit risk. Changes in the value of the
U.S. dollar relative to other currencies could have an adverse effect on our results of operations and financial condition.

Our investments in non-U.S.-denominated assets are subject to fluctuations in non-U.S. securities and currency markets, and those markets can be volatile.

Non-U.S. currency fluctuations also affect the value of any dividends paid by our non-U.S. subsidiaries to their parent companies in the U.S.

The United Kingdom leaving the European Union ("EU") could adversely affect our business.

The 2016 U.K. referendum on its membership in the EU resulted in a majority of U.K. voters voting in favor of the U.K. leaving the EU (“Brexit”). On

March 29, 2017, the U.K. government formally notified the European Council of the U.K.’s intention to withdraw from the EU. The member withdrawal
provisions in the EU treaty provide that the U.K. and the EU will negotiate a withdrawal agreement during a maximum two-year period (unless such period is
extended by unanimous vote of the

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000EU member states). As part of the sequenced approach to the talks set out by the EU, sufficient progress needs to be made on the withdrawal arrangements before
any talks on a future trade deal between the EU and the U.K. can begin. Depending on the terms of the withdrawal agreement, the U.K. could lose access to the
single EU market and to free trade deals with several countries that already have agreements with the EU. Such a decline in trade could affect the attractiveness of
the U.K. and impact our U.K. business. We also face risks associated with the potential uncertainty and consequences related to Brexit, including with respect to
volatility in financial markets, exchange rates and interest rates. These uncertainties could increase the volatility of, or reduce, our investment results in particular
periods or over time.  Brexit could adversely affect European or worldwide political, regulatory, economic or market conditions and could contribute to instability
in political institutions and regulatory agencies. Brexit could also lead to legal uncertainty and differing laws and regulations between the U.K. and the EU. Any of
these potential effects, and others we cannot anticipate, could adversely affect our results of operations or financial condition.

We may be unable to attract and retain key personnel and qualified employees.

We depend on our ability to attract and retain key personnel, including our President and CEO, Executive Chairman, senior executive officers, presidents of
our operating units, experienced underwriters and other skilled employees who are knowledgeable about our business. 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 products and markets.

We cannot guarantee that our reinsurers will pay in a timely fashion, if at all, and, as a result, we could experience losses.

We purchase reinsurance by transferring part of the risk that we have assumed, known as ceding, to a reinsurance company in exchange for part of the
premium we receive in connection with the risk. Although reinsurance makes the reinsurer contractually liable to us to the extent the risk is transferred or ceded to
the reinsurer, it does not relieve us, the reinsured, of our liability to our policyholders. Our reinsurers may not pay the reinsurance recoverables that they owe to us
or they may not pay such recoverables on a timely basis. Accordingly, we bear credit risk with respect to our reinsurers, and if our reinsurers fail to pay us, our
financial results would be adversely affected. Underwriting results and investment returns of some of our reinsurers may affect their future ability to pay claims. As
of December 31, 2017 , the amount due from our reinsurers was approximately $1,783 million, including amounts due from state funds and industry pools where it
was intended that we would bear no risk. Certain of these amounts due from reinsurers are secured by letters of credit or by funds held in trust on our behalf.

We are subject to credit risk relating to our policyholders, independent agents and brokers.

In addition to exposure to credit risk related to our reinsurance recoverables and investment portfolio, we are exposed to credit risk in several other areas of

our business, including credit risk relating to policyholders, independent agents and brokers. For example our policyholders, independent agents or brokers may not
pay a part of or the full amount of premiums owed to us or our brokers or other third party claim administrators may not deliver amounts owed on claims under our
insurance and reinsurance contracts for which we have provided funds.

As credit risk is generally a function of the economy, we face a greater credit risk in an economic downturn. While we attempt to manage credit risks

through underwriting guidelines, collateral requirements and other oversight mechanisms, our efforts may not be successful. For example, to reduce such credit
risk, we require certain third parties to post collateral for some or all of their obligations to us. In cases where we receive pledged securities and the applicable
counterparty is unable to honor its obligations, we may be exposed to credit risk on the securities pledged and/or the risk that our access to that collateral may be
stayed as a result of bankruptcy. In cases where we receive letters of credit from banks as collateral and one of our counterparties is unable to honor its obligations,
we are exposed to the credit risk of the banks that issued the letters of credit.

We are rated by A.M. Best, Standard & Poor's, and Moody's, and a decline in these ratings could affect our standing in the insurance industry and

cause our sales and earnings to decrease.

Ratings have become an increasingly important factor in establishing the competitive position of insurance companies. Certain of our insurance company
subsidiaries are rated by A.M. Best, Standard & Poor's and Moody's. Our ratings are subject to periodic review, and we cannot assure you that we will be able to
retain our current or any future ratings.

If our ratings are reduced from their current levels by A.M. Best, Standard & Poor's or Moody's, our competitive position in the insurance industry could

suffer and it would be more difficult for us to market our products. A ratings downgrade could also adversely limit our access to capital markets, which may
increase the cost of debt. A significant downgrade could result in a substantial loss of business as policyholders move to other companies with higher claims-
paying and financial strength ratings.

If market conditions cause reinsurance to be more costly or unavailable, we may be required to bear increased risks or reduce the level of our

underwriting commitments.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000As part of our overall risk and capacity management strategy, we purchase reinsurance for certain amounts of risk underwritten by our insurance company
subsidiaries, especially catastrophe risks and those risks with relatively high policy limits. We also purchase reinsurance on risks underwritten by others which we
reinsure. Market conditions beyond our control determine the availability and cost of the reinsurance protection we seek to purchase, which may affect the level of
our business and profitability. Our reinsurance contracts are generally subject to annual renewal, and we may be unable to maintain our current reinsurance
contracts or to obtain other reinsurance contracts in adequate amounts and at favorable rates. In addition, we may be unable to obtain reinsurance on terms
acceptable to us relating to certain lines of business that we intend to begin writing. If we are unable to renew our expiring contracts or to obtain new reinsurance
contracts, either our net exposures would increase or, if we are unwilling to bear an increase in net exposures, we would have to reduce the level of our
underwriting commitments, especially catastrophe exposed risks.

Depending on conditions in the financial markets and the general economy, we may be unable to raise debt or equity capital if needed.

If conditions in the financial markets and the general economy are unfavorable, which may result from disruptions, uncertainty or volatility in the capital

and credit markets, we may be unable to access debt or equity capital on acceptable terms if needed, which could have a negative impact on our ability to invest in
our insurance company subsidiaries and/or to take advantage of opportunities to expand our business, such as possible acquisitions and the creation of new
ventures, and inhibit our ability to refinance our existing indebtedness if we desire to do so, on terms acceptable to us.

We may not find suitable acquisition candidates or new insurance ventures and even if we do, we may not successfully integrate any such acquired

companies or successfully invest in such ventures.

As part of our present strategy, we continue to evaluate possible acquisition transactions and the start-up of complementary businesses on an ongoing basis,

and at any given time we may be engaged in discussions with respect to possible acquisitions and new ventures. We cannot assure you that we will be able to
identify suitable acquisition targets or insurance ventures, that such transactions will be financed and completed on acceptable terms or that our future acquisitions
or start-up ventures will be successful. The process of integrating any companies we do acquire or investing in new ventures may have a material adverse effect on
our results of operations and financial condition.

If we experience difficulties with our information technology, telecommunications or other computer systems, our ability to conduct our business could

be negatively or severely impacted.   

Our business is highly dependent upon our employees' ability to perform necessary business functions in an efficient and uninterrupted fashion. A shut-
down of, or inability to access, one or more of our facilities, a power outage or a failure of one or more of our information technology, telecommunications or other
computer systems could significantly impair our employees' ability to perform such functions on a timely basis. In the event of a disaster such as a natural
catastrophe, terrorist attack or industrial accident, or the infection of our systems by a malicious computer virus, our systems could be inaccessible for an extended
period of time. In addition, because our information technology and telecommunications systems interface with and depend on third-party systems, we could
experience service denials or failures of controls if demand for our service exceeds capacity or a third-party system fails or experiences an interruption. If our
business continuity plans or system security does not sufficiently address such a business interruption, system failure or service denial, our ability to write and
process new and renewal business, provide customer service, pay claims in a timely manner or perform other necessary business functions could be significantly
impaired and our business could be harmed.

Failure to maintain the security of our networks and confidential data may expose us to liability .

Our operations rely on the secure processing, storage and transmission of confidential and other information in our computer systems and networks.
Computer viruses, hackers, employee misconduct and other external hazards could expose our data systems to security breaches. Our electronic transmission of
personal, confidential and proprietary information to third parties with whom we have business relationships and our outsourcing of certain technology and
business process functions to third parties may expose us to enhanced risk related to data security. While we attempt to develop secure data transmission
capabilities with these third-party vendors and others with whom we do business, our vendors and third parties could still suffer data breaches that could result in
the exposure of sensitive data and the infiltration of our computer systems. Our failure to protect sensitive personal and our proprietary information, whether owing
to breaches of our own systems or those of our vendors, could result in significant monetary and reputational damages. These increased risks, and expanding
regulatory requirements regarding data security, could expose us to data loss, monetary and reputational damages and significant increases in compliance costs. As
a result, our ability to conduct our business could be materially and adversely affected.

We could be adversely affected if our controls to ensure compliance with guidelines, policies and legal and regulatory standards are not effective.   

Our business is highly dependent on our ability to engage on a daily basis in a large number of insurance underwriting, claim processing and investment

activities, many of which are highly complex. These activities often are subject to internal

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000guidelines and policies, as well as legal and regulatory standards, including those related to privacy, anti-corruption, anti-bribery and global finance and insurance
matters. Our continued expansion into new international markets has brought about additional requirements. A control system, no matter how well designed and
operated, can provide only reasonable assurance that the control system's objectives will be met. If our controls are not effective, it could lead to financial loss,
unanticipated risk exposure (including underwriting, credit and investment risk) or damage to our reputation.

We could be adversely affected by recent and future changes in U.S. Federal income tax laws.

Recent tax legislation commonly referred to as the Tax Cuts and Jobs Act, which was signed into law on December 22, 2017, fundamentally overhauls the

U.S. tax system by, among other things, reducing the U.S. corporate income tax rate to 21%, repealing the corporate alternative minimum tax, limiting the
deductibility of business interest expense, introducing a base erosion and anti-avoidance tax aimed at cross-border deductible payments to related foreign
persons, moving closer to a territorial system of taxing earnings generated through foreign subsidiaries and imposing a one-time deemed repatriation tax on certain
post-1986 undistributed earnings of foreign subsidiaries. In the context of the taxation of U.S. property/casualty insurance companies such as the Company, the Act
would also modify the loss reserve discounting rules and the proration rules that apply to reduce reserve deductions to reflect the lower corporate income tax
rate. Although we believe that the changes introduced by the Act should generally benefit us, we are unable to predict the ultimate impact of the Act and its
implementing regulations. In addition, it is possible that other legislation could be introduced and enacted by the current Congress or future Congresses that could
have an adverse impact on us. New regulations or pronouncements interpreting or clarifying provisions of the Act may be forthcoming. We cannot predict if, when
or in what form such regulations or pronouncements may be provided, whether such guidance will have a retroactive effect or their potential impact on us.

Risks Relating to Our Investments

A significant amount of our assets is invested in fixed maturity securities and is subject to market fluctuations.

Our investment portfolio consists substantially of fixed maturity securities. As of December 31, 2017 , our investment in fixed maturity securities was

approximately $13.6 billion, or 73.6% of our total investment portfolio, including cash and cash equivalents. As of that date, our portfolio of fixed maturity
securities consisted of the following types of securities: U.S. Government securities (2.8%); state and municipal securities (33.2%); corporate securities (32.4%);
asset-backed securities (15.6%); mortgage-backed securities (9.7%) and foreign government (6.3%).

The fair value of these assets and the investment income from these assets fluctuate depending on general economic and market conditions. The fair value of

fixed maturity securities generally decreases as interest rates rise. If significant inflation or an increase in interest rates were to occur, the fair value of our fixed
maturity securities would be negatively impacted. Conversely, if interest rates decline, investment income earned from future investments in fixed maturity
securities will be lower. Some fixed maturity securities, such as mortgage-backed and other asset-backed securities, also carry prepayment risk as a result of
interest rate fluctuations. Additionally, given the near historically low interest rate environment, we may not be able to successfully reinvest the proceeds from
maturing securities at yields commensurate with our target performance goals.

The value of investments in fixed maturity securities is subject to impairment as a result of deterioration in the credit worthiness of the issuer, default by the

issuer (including states and municipalities) in the performance of its obligations in respect of the securities and/or increases in market interest rates. To a large
degree, the credit risk we face is a function of the economy; accordingly, we face a greater risk in an economic downturn or recession. During periods of market
disruption, it may be difficult to value certain of our securities, particularly if trading becomes less frequent and/or market data becomes less observable. There
may be certain asset classes that were in active markets with significant observable data that become illiquid due to the current financial environment. In such
cases, more securities may require additional subjectivity and management judgment.

Although the historical rates of default on state and municipal securities have been relatively low, our state and municipal fixed maturity securities could be

subject to a higher risk of default or impairment due to declining municipal tax bases and revenue. Many states and municipalities operate under deficits or
projected deficits, the severity and duration of which could have an adverse impact on both the valuation of our state and municipal fixed maturity securities and
the issuer's ability to perform its obligations thereunder. Additionally, our investments are subject to losses as a result of a general decrease in commercial and
economic activity for an industry sector in which we invest, as well as risks inherent in particular securities.

Although we attempt to manage these risks through the use of investment guidelines and other oversight mechanisms and by diversifying our portfolio and
emphasizing preservation of principal, our efforts may not be successful. Impairments, defaults and/or rate increases could reduce our net investment income and
net realized investment gains or result in investment losses. Investment returns are currently, and will likely continue to remain, under pressure due to the
continued low inflation, actions by the Federal Reserve, economic uncertainty, more generally, and the shape of the yield curve. As a result, our exposure to the
risks described above could materially and adversely affect our results of operations, liquidity and financial condition.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000We have invested a portion of our assets in equity securities, merger arbitrage securities, investment funds, private equity, loans and real estate related

assets, which are subject to significant volatility and may decline in value.

We invest a portion of our investment portfolio in equity securities, merger arbitrage securities, investment funds, private equity, loans and real estate

related assets. At December 31, 2017 , our investment in these assets was approximately $3.9 billion, or 21.2%, of our investment portfolio, including cash and
cash equivalents.

Merger and arbitrage trading securities were $618 million, or 3.4% of our investment portfolio, including cash and cash equivalents at December 31, 2017 .

Merger arbitrage involves investing in the securities of publicly held companies that are the targets in announced tender offers and mergers. Merger arbitrage
differs from other types of investments in its focus on transactions and events believed likely to bring about a change in value over a relatively short time period,
usually four months or less. Our merger arbitrage positions are exposed to the risk associated with the completion of announced deals, which are subject to
regulatory as well as political and other risks.

Real estate related investments, including directly owned, investment funds and loans receivable, were $2.2 billion, or 11.7% of our investment portfolio,

including cash and cash equivalents, at December 31, 2017 . We also invest in aviation and rail equipment funds, credit-related funds and energy and other
investment funds. The values of these investments are subject to fluctuations based on changes in the economy and interest rates in general and the related asset
valuations in particular. In addition, our investments in real estate related assets and other alternative investments are less liquid than our other investments.

These investments are subject to significant volatility as a result of the conditions in the financial and commodity markets and the global economy.

Risks Relating to Purchasing Our Securities

We are an insurance holding company and, therefore, may not be able to receive dividends in needed amounts.

As an insurance holding company, our principal assets are the shares of capital stock of our insurance company subsidiaries. We have to rely on dividends

from our insurance company subsidiaries to meet our obligations for paying principal and interest on outstanding debt obligations, paying dividends to
stockholders and repurchasing our shares and paying corporate expenses. The payment of dividends by our insurance company subsidiaries is subject to regulatory
restrictions and will depend on the surplus and future earnings of these subsidiaries. During 2018 , the maximum amount of dividends that can be paid without
regulatory approval is approximately $699 million. As a result, in the future we may not be able to receive dividends from these subsidiaries at times and in
amounts necessary to meet our obligations, pay dividends or repurchase shares.

Laws and regulations of the jurisdictions in which we conduct business could delay, deter or prevent an attempt to acquire control of us that

stockholders might consider to be desirable, and may restrict a stockholder's ability to purchase our common stock.

Generally, United States insurance holding company laws require that, before a person can acquire control of an insurance company, prior written approval
must be obtained from the insurance regulatory authorities in the state in which that insurance company is domiciled. Pursuant to applicable laws and regulations,
“control” over an insurer is generally presumed to exist if any person, directly or indirectly, owns, controls, holds the power to vote, or holds proxies representing
10% or more of the voting securities of that insurer or any parent company of such insurer. Indirect ownership includes ownership of the shares of our common
stock. Thus, the insurance regulatory authorities of the states in which our insurance subsidiaries are domiciled are likely to apply these restrictions on acquisition
of control to any proposed acquisition of our common stock. Some states require a person seeking to acquire control of an insurer licensed but not domiciled in that
state to make a filing prior to completing an acquisition if the acquirer and its affiliates, on the one hand, and the target insurer and its affiliates, on the other hand,
have specified market shares in the same lines of insurance in that state. Additionally, many foreign jurisdictions where we conduct business impose similar
restrictions and requirements.

These provisions can also lead to the imposition of conditions on an acquisition that could delay or prevent its consummation. These laws may discourage
potential acquisition proposals and may delay, deter or prevent a change in control of us through transactions, and in particular unsolicited transactions, that some
or all of our stockholders might consider to be desirable.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Certain provisions in our organizational documents may have the effect of hindering, delaying or preventing third party takeovers and thus may prevent

our stockholders from receiving premium prices for their shares in an unsolicited takeover or make it more difficult for third parties to replace our current
management.

Provisions of our Restated Certificate of Incorporation and By-Laws, as well as state insurance statutes, may hinder, delay or prevent unsolicited
acquisitions or changes of our control. These provisions may also have the effect of making it more difficult for third parties to cause the replacement of our
current management without the concurrence of our board of directors.

These provisions include:
•

our classified board of directors and the ability of our board to increase its size and to appoint directors to fill newly created directorships;

•

•

the requirement that 80% of our stockholders must approve mergers and other transactions between us and the holder of 5% or more of our shares,
unless the transaction was approved by our board of directors prior to such holder's acquisition of 5% of our shares; and

the need for advance notice in order to raise business or make nominations at stockholders' meetings.

These provisions may discourage potential acquisition proposals and may delay, deter or prevent a change in control of us through transactions, and in

particular unsolicited transactions, that some or all of our stockholders might consider to be desirable.

ITEM 1B. UNRESOLVED STAFF COMMENTS

There are no unresolved written comments that were received from the SEC staff 180 days or more before the end of our fiscal year relating to our periodic

or current reports under the Securities Exchange Act of 1934.

ITEM 2. PROPERTIES

W. R. Berkley and its subsidiaries own or lease office buildings or office space suitable to conduct their operations. At December 31, 2017 , the Company

had aggregate office space of 3,816,471 square feet, of which 1,096,493 were owned and 2,719,979 were leased.

Rental expense for the Company's operations was approximately $52,925,000, $47,453,000 and $46,271,000 for 2017 , 2016 and 2015 , respectively. Future

minimum lease payments, without provision for sublease income, are $50,117,000 in 2018 , $41,326,000 in 2019 and $195,509,000 thereafter.

ITEM 3. LEGAL PROCEEDINGS

The Company's subsidiaries are subject to disputes, including litigation and arbitration, arising in the ordinary course of their insurance and reinsurance
businesses. The Company's estimates of the costs of settling such matters are reflected in its aggregate reserves for losses and loss expenses, and the Company does
not believe that the ultimate outcome of such matters will have a material adverse effect on its financial condition or results of operations.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000PART II

ITEM 5. MARKET FOR THE REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY
SECURITIES

The common stock of the Company is traded on the New York Stock Exchange under the symbol “WRB”.

2017

Fourth Quarter

Third Quarter

Second Quarter

First Quarter

2016

Fourth Quarter

Third Quarter

Second Quarter

First Quarter
_______________________
(1)
(2)
(3)
(4)

Includes a special dividend of $0.50 per share paid in December 2017.
Includes a special dividend of $0.50 per share paid in July 2017.
Includes a special dividend of $0.50 per share paid in November 2016.
Includes a special dividend of $0.50 per share paid in October 2016.

Price Range

High

Low

Dividends Declared
Per Share

$

$

$

$

71.91

72.33

70.96

73.17

66.91

60.08

59.93

56.53

$

$

65.92

62.00

65.70

65.91

55.55

56.12

54.56

47.57

(1)

(2)

(3)

(4)

0.64

0.14

0.64

0.13

0.63

0.63

0.13

0.12

The closing price of the common stock on February 20, 2018 as reported on the New York Stock Exchange was $68.73 per share. The approximate number

of record holders of the common stock on February 20, 2018 was 333.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000The chart below shows a comparison of 5 year cumulative total return.

Comparison of 5 Year Cumulative Total Return
Assumes initial investment of $100 on January 1, 2013, with dividends reinvested.

The S&P 500® Property and Casualty Insurance Index consists of Allstate Corporation, Chubb, Ltd., Cincinnati Financial Corporation, Progressive Corporation, The Travelers
Companies, Inc., and XL Group Ltd.

Prepared by Zacks Investment Research, Inc. Used with permission. All rights reserved. Copyright 1980-2018.

Index Data: Copyright Standard and Poor's Inc. Used with permission. All rights reserved.

W. R. Berkley Corporation

S&P 500 Index

S&P 500 Property and Casualty Insurance Index

Cum $

Cum $

Cum $

2012

100.00

100.00

100.00

2013

116.03

132.39

138.29

2014

141.11

150.01

160.06

2015

152.06

152.59

175.32

2016

189.69

170.84

202.85

2017

209.00

208.14

248.26

Set forth below is a summary of the shares repurchased by the Company during the fourth quarter of 2017 and the remaining number of shares authorized

for purchase by the Company during such period.

October 2017

November 2017

December 2017

Total Number of
Shares Purchased
—

289,884

—

Average Price
Paid per Share

Total Number of Shares
Purchased as Part of Publicly
Announced Plans or
Programs

—

67.02

—

—

289,884

—

Maximum Number of Shares
that may yet be Purchased
Under the Plans or Programs
9,558,881

9,268,997

9,268,997

For equity compensation plan information, see Item 12 of this annual report on Form 10-K.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000ITEM 6. SELECTED FINANCIAL DATA

(In thousands, except per share data)
Net premiums written

Net premiums earned

Net investment income

Net investment gains

Revenues from non-insurance businesses

Insurance service fees

Total revenues

Interest expense

Income before income taxes

Income tax expense

Noncontrolling interests

Net income to common stockholders

Data per common share:

Net income per basic share

  Net income per diluted share

  Common stockholders’ equity

  Cash dividends declared

Weighted average shares outstanding:

Basic

Diluted

Investments

Total assets

Reserves for losses and loss expenses

Senior notes and other debt

Subordinated debentures

Common stockholders’ equity

Year Ended December 31,

$

2017
6,260,508

6,311,419

$

2016
6,423,913

6,293,348

$

2015
6,189,515

6,040,609

$

2014
5,996,947

5,744,418

$

575,788

335,858

326,165

134,729

564,163

267,005

390,348

138,944

512,645

92,324

421,102

139,440

600,885

254,852

410,022

117,443

2013
5,500,173

5,226,537

544,291

121,544

407,623

107,513

7,684,764

7,654,184

7,206,457

7,128,928

6,408,534

147,297

772,770

(219,433)

(4,243)

549,094

4.40

4.26

44.53

1.55

124,843

129,018

140,896

896,438

(292,953)

(1,569)

601,916

4.91

4.68

41.65

1.51

122,651

128,553

130,946

732,030

(227,923)

(413)

503,694

4.06

3.87

37.31

0.47

124,040

130,189

128,174

952,196

(302,593)

(719)

648,884

5.07

4.86

36.21

1.43

127,874

133,652

$

17,450,508

$

16,649,792

$

15,351,467

$

15,591,824

$

24,299,917

11,670,408

1,769,052

728,218

5,411,344

23,364,844

11,197,195

1,760,595

727,630

5,047,208

21,730,967

10,669,150

1,844,621

340,320

4,600,246

21,716,691

10,369,701

2,115,527

340,060

4,589,945

123,177

698,888

(193,587)

(5,376)

499,925

3.69

3.55

32.79

0.39

135,305

140,743

14,548,630

20,551,796

10,080,941

1,692,442

339,800

4,336,035

29

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Overview

W. R. Berkley Corporation is an insurance holding company that is among the largest commercial lines writers in the United States and operates worldwide
in two business segments of the property and casualty business: Insurance and Reinsurance. Our decentralized structure provides us with the flexibility to respond
quickly and efficiently to local or specific market conditions and to pursue specialty business niches. It also allows us to be closer to our customers in order to
better understand their individual needs and risk characteristics. While providing our business units with certain operating autonomy, our structure allows us to
capitalize on the benefits of economies of scale through centralized capital, investment, reinsurance and enterprise risk management, and actuarial, financial and
corporate legal staff support. The Company's primary sources of revenues and earnings are its insurance operations and its investments.

An important part of our strategy is to form new operating units to capitalize on various business opportunities. Over the years, the Company has formed

numerous new operating units that are focused on important parts of the economy in the U.S., including healthcare, cyber security, energy and agriculture, and on
growing international markets, including the Asia-Pacific region, South America and Mexico.

The profitability of the Company’s insurance business is affected primarily by the adequacy of premium rates. The ultimate adequacy of premium rates is

not known with certainty at the time an insurance policy is issued because premiums are determined before claims are reported. The ultimate adequacy of premium
rates is affected mainly by the severity and frequency of claims, which are influenced by many factors, including natural and other disasters, regulatory measures
and court decisions that define and change the extent of coverage and the effects of economic inflation on the amount of compensation for injuries or losses.
General insurance prices are also influenced by available insurance capacity, i.e., the level of statutory capital and surplus employed in the industry, and the
industry’s willingness to deploy that capital.

The Company’s profitability is also affected by its investment income and investment gains. The Company’s invested assets are invested principally in fixed
maturity securities. The return on fixed maturity securities is affected primarily by general interest rates, as well as the credit quality and duration of the securities.
Returns available on fixed maturity investments have been at historically low levels in recent years.

The Company also invests in equity securities, merger arbitrage securities, investment funds (including energy related funds), private equity, loans and real
estate related assets. The Company's investments in investment funds and its other alternative investments have experienced, and the Company expects to continue
to experience, greater fluctuations in investment income.

During 2017, catastrophe losses were $184 million, mainly related to hurricanes Harvey, Irma, and Maria, two earthquakes in Mexico, and wildfires in

California.

The Tax Cuts and Jobs Act of 2017 (the Tax Act) was enacted on December 22, 2017. The Tax Act provides for a reduction of the U.S. corporate income

tax rate from 35% to 21% effective January 1, 2018. The Tax Act also provides for a mandatory repatriation of foreign earnings, which requires companies to pay a
one-time tax on the unremitted accumulated earnings of their foreign subsidiaries. The Company has calculated the effects of the Tax Act as of December 31, 2017
and has included in its financial statements provisional estimates of its impact. The Company anticipates further guidance will be forthcoming and will continue to
review and refine its calculations as guidance is provided and additional analysis of the Company's information is completed.

In 2017, the Company reported a net tax benefit related to the Tax Act in the amount of $20.7 million . This included a tax benefit due to the reduction of
the tax rate as applied to the net U.S. deferred tax liability in the amount of $30.5 million . Offsetting this tax benefit, the Company recorded a provisional charge
of $9.8 million on the deemed repatriation of earnings and related impact of utilization of foreign losses. The charge may be adjusted as the applicable earnings
related to the foreign subsidiaries are finalized for the purpose of the mandatory repatriation inclusion computation.

Commencing with the first quarter 2017, the Company reclassified two businesses from the Insurance segment to the Reinsurance segment.

Reclassifications have been made to the Company's 2016 and earlier presented financial information to conform with this presentation.

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The following presents a discussion of accounting policies and estimates relating to reserves for losses and loss expenses, assumed premiums and other-

than-temporary impairments of investments. Management believes these policies and estimates are the most critical to its operations and require the most difficult,
subjective and complex judgments.

Reserves for Losses and Loss Expenses . To recognize liabilities for unpaid losses, either known or unknown, insurers establish reserves, which is a

balance sheet account representing estimates of future amounts needed to pay claims and related expenses with respect to insured events which have occurred.
Estimates and assumptions relating to reserves for losses and loss expenses are based on complex and subjective judgments, often including the interplay of
specific uncertainties with related accounting and actuarial measurements. Such estimates are also susceptible to change as significant periods of time may elapse
between the occurrence of an insured loss, the report of the loss to the insurer, the ultimate determination of the cost of the loss and the insurer’s payment of that
loss.

In general, when a claim is reported, claims personnel establish a “case reserve” for the estimated amount of the ultimate payment based upon known
information about the claim at that time. The estimate represents an informed judgment based on general reserving practices and reflects the experience and
knowledge of the claims personnel regarding the nature and value of the specific type of claim. Reserves are also established on an aggregate basis to provide for
losses incurred but not reported (“IBNR”) to the insurer, potential inadequacy of case reserves and the estimated expenses of settling claims, including legal and
other fees and general expenses of administrating the claims adjustment process. Reserves are established based upon the then current legal interpretation of
coverage provided.

In examining reserve adequacy, several factors are considered in estimating the ultimate economic value of losses. These factors include, among other

things, historical data, legal developments, changes in social attitudes and economic conditions, including the effects of inflation. The actuarial process relies on
the basic assumption that past experience, adjusted judgmentally for the effects of current developments and anticipated trends, is an appropriate basis for
predicting future outcomes. Reserve amounts are based on management’s informed estimates and judgments using currently available data. As additional
experience and other data become available and are reviewed, these estimates and judgments may be revised. This may result in reserve increases or decreases that
would be reflected in our results in periods in which such estimates and assumptions are changed.

Reserves do not represent a certain calculation of liability. Rather, reserves represent an estimate of what management expects the ultimate settlement and

claim administration will cost. While the methods for establishing reserves are well tested over time, the major assumptions about anticipated loss emergence
patterns are subject to uncertainty. These estimates, which generally involve actuarial projections, are based on management’s assessment of facts and
circumstances then known, as well as estimates of trends in claims severity and frequency, judicial theories of liability and other factors, including the actions of
third parties which are beyond the Company’s control. These variables are affected by external and internal events, such as inflation and economic volatility,
judicial and litigation trends, reinsurance coverage, legislative changes and claim handling and reserving practices, which make it more difficult to accurately
predict claim costs. The inherent uncertainties of estimating reserves are greater for certain types of liabilities where long periods of time elapse before a definitive
determination of liability is made. Because setting reserves is inherently uncertain, the Company cannot provide assurance that its current reserves will prove
adequate in light of subsequent events.

Loss reserves included in the Company’s financial statements represent management’s best estimates based upon an actuarially derived point estimate and
other considerations. The Company uses a variety of actuarial techniques and methods to derive an actuarial point estimate for each operating unit. These methods
include paid loss development, incurred loss development, paid and incurred Bornhuetter-Ferguson methods and frequency and severity methods. In circumstances
where one actuarial method is considered more credible than the others, that method is used to set the point estimate. For example, the paid loss and incurred loss
development methods rely on historical paid and incurred loss data. For new lines of business, where there is insufficient history of paid and incurred claims data,
or in circumstances where there have been significant changes in claim practices, the paid and incurred loss development methods would be less credible than other
actuarial methods. The actuarial point estimate may also be based on a judgmental weighting of estimates produced from each of the methods considered. Industry
loss experience is used to supplement the Company’s own data in selecting “tail factors” and in areas where the Company’s own data is limited. The actuarial data
is analyzed by line of business, coverage and accident or policy year, as appropriate, for each operating unit.

The establishment of the actuarially derived loss reserve point estimate also includes consideration of qualitative factors that may affect the ultimate losses.

These qualitative considerations include, among others, the impact of re-underwriting initiatives, changes in the mix of business, changes in distribution sources
and changes in policy terms and conditions. Examples of changes in terms and conditions that can have a significant impact on reserve levels are the use of
aggregate policy limits, the expansion of coverage exclusions, whether or not defense costs are within policy limits, and changes in deductibles and attachment
points.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000The key assumptions used to arrive at the best estimate of loss reserves are the expected loss ratios, rate of loss cost inflation, and reported and paid loss
emergence patterns. Expected loss ratios represent management’s expectation of losses at the time the business is priced and written, before any actual claims
experience has emerged. This expectation is a significant determinant of the estimate of loss reserves for recently written business where there is little paid or
incurred loss data to consider. Expected loss ratios are generally derived from historical loss ratios adjusted for the impact of rate changes, loss cost trends and
known changes in the type of risks underwritten. Expected loss ratios are estimated for each key line of business within each operating unit. Expected loss cost
inflation is particularly important for the long-tail lines, such as excess casualty, and claims with a high medical component, such as workers’ compensation.
Reported and paid loss emergence patterns are used to project current reported or paid loss amounts to their ultimate settlement value. Loss development factors
are based on the historical emergence patterns of paid and incurred losses, and are derived from the Company’s own experience and industry data. The paid loss
emergence pattern is also significant to excess and assumed workers’ compensation reserves because those reserves are discounted to their estimated present value
based upon such estimated payout patterns. Management believes the estimates and assumptions it makes in the reserving process provide the best estimate of the
ultimate cost of settling claims and related expenses with respect to insured events which have occurred; however, different assumptions and variables could lead
to significantly different reserve estimates.

Loss frequency and severity are measures of loss activity that are considered in determining the key assumptions described in our discussion of loss and loss

expense reserves, including expected loss ratios, rate of loss cost inflation and reported and paid loss emergence patterns. Loss frequency is a measure of the
number of claims per unit of insured exposure, and loss severity is a measure of the average size of claims. Factors affecting loss frequency include the
effectiveness of loss controls and safety programs and changes in economic activity or weather patterns. Factors affecting loss severity include changes in policy
limits, retentions, rate of inflation and judicial interpretations.

Another factor affecting estimates of loss frequency and severity is the loss reporting lag, which is the period of time between the occurrence of a loss and
the date the loss is reported to the Company. The length of the loss reporting lag affects our ability to accurately predict loss frequency (loss frequencies are more
predictable for lines with short reporting lags) as well as the amount of reserves needed for incurred but not reported losses (less IBNR is required for lines with
short reporting lags). As a result, loss reserves for lines with short reporting lags are likely to have less variation from initial loss estimates. For lines with short
reporting lags, which include commercial automobile, primary workers’ compensation, other liability (claims-made) and property business, the key assumption is
the loss emergence pattern used to project ultimate loss estimates from known losses paid or reported to date. For lines of business with long reporting lags, which
include other liability (occurrence), products liability, excess workers’ compensation and liability reinsurance, the key assumption is the expected loss ratio since
there is often little paid or incurred loss data to consider. Historically, the Company has experienced less variation from its initial loss estimates for lines of
businesses with short reporting lags than for lines of business with long reporting lags.

The key assumptions used in calculating the most recent estimate of the loss reserves are reviewed each quarter and adjusted, to the extent necessary, to

reflect the latest reported loss data, current trends and other factors observed. If the actual level of loss frequency and severity are higher or lower than expected,
the ultimate losses will be different than management’s estimate. The following table reflects the impact of changes (which could be favorable or unfavorable) in
frequency and severity, relative to our assumptions, on our loss estimate for claims occurring in 2017 :

(In thousands)
Severity (+/-)

1%

5%

10%

Frequency (+/-)

1%

5%

10%

$

79,667

$

239,794

$

239,794

439,953

406,263

614,349

439,953

614,349

832,344

Our net reserves for losses and loss expenses of approximately $10.1 billion as of December 31, 2017 relate to multiple accident years. Therefore, the
impact of changes in frequency or severity for more than one accident year could be higher or lower than the amounts reflected above. The impact of such changes
would likely be manifested gradually over the course of many years, as the magnitude of the changes became evident.

Approximately $1.7 billion, or 17%, of the Company’s net loss reserves as of December 31, 2017 relate to the Reinsurance segment. There is a higher

degree of uncertainty and greater variability regarding estimates of assumed loss reserves because those estimates are based, in part, upon information received
from ceding companies. If information received from ceding companies is not timely or correct, the Company’s estimate of ultimate losses may not be accurate.
Furthermore, due to delayed reporting of claim information by ceding companies, the claim settlement tail for assumed reinsurance is extended. Management
considers the impact of delayed reporting in its selection of assumed loss development factors.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Information received from ceding companies is used to set initial expected loss ratios, to establish case reserves and to estimate reserves for incurred but not

reported losses on assumed reinsurance business. This information, which is generally provided through reinsurance intermediaries, is gathered through the
underwriting process and from periodic claim reports and other correspondence with ceding companies. The Company performs underwriting and claim audits of
selected ceding companies to determine the accuracy and completeness of information provided to the Company. The information received from the ceding
companies is supplemented by the Company’s own loss development experience with similar lines of business as well as industry loss trends and loss development
benchmarks.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Following is a summary of the Company’s reserves for losses and loss expenses by business segment as of December 31, 2017 and 2016 :

(In thousands)

Insurance

Reinsurance

Net reserves for losses and loss expenses

Ceded reserves for losses and loss expenses

Gross reserves for losses and loss expenses

2017

2016

8,341,622

$

1,715,292

10,056,914

1,613,494

7,913,074

1,677,191

9,590,265

1,606,930

11,670,408

$

11,197,195

$

$

Following is a summary of the Company’s net reserves for losses and loss expenses by major line of business as of December 31, 2017 and 2016 :

(In thousands)

December 31, 2017

Other liability

Workers’ compensation (1)

Professional liability

Commercial automobile

Short-tail lines (2)

Total primary

Reinsurance (1)

Total

December 31, 2016

Other liability

Workers’ compensation (1)

Professional liability

Commercial automobile

Short-tail lines (2)

Total primary

Reinsurance (1)

Total

Reported Case
Reserves

Incurred But
Not Reported

Total

$

1,261,957

$

2,189,596

$

$

$

1,543,379

295,269

347,669

315,008

3,763,282

919,497

4,682,779

1,159,082

1,453,318

264,188

344,143

322,872

3,543,603

823,516

$

$

1,242,501

618,107

263,411

264,725

4,578,340

795,795

5,374,135

2,061,966

1,228,774

542,539

252,978

283,214

4,369,471

853,675

$

$

$

4,367,119

$

5,223,146

$

3,451,553

2,785,880

913,376

611,080

579,733

8,341,622

1,715,292

10,056,914

3,221,048

2,682,092

806,727

597,121

606,086

7,913,074

1,677,191

9,590,265

____________________
(1) Reserves for excess and assumed workers’ compensation business are net of an aggregate net discount of $591 million and $640 million as of December 31,

2017 and 2016 , respectively.

(2) Short-tail lines include commercial multi-peril (non-liability), inland marine, accident and health, fidelity and surety, boiler and machinery and other lines.

The Company evaluates reserves for losses and loss expenses on a quarterly basis. Changes in estimates of prior year losses are reported when such
changes are made. The changes in prior year loss reserve estimates are generally the result of ongoing analysis of recent loss development trends. Original
estimates are increased or decreased as additional information becomes known regarding individual claims and aggregate claim trends.

Certain of the Company's insurance and reinsurance contracts are retrospectively rated, whereby the Company collects more or less premiums based on the

level of loss activity. For those contracts, changes in loss and loss expenses for prior years may be fully or partially offset by additional or return premiums.

Net prior year development (i.e, the sum of prior year reserve changes and prior year earned premiums changes) for each of the last three years ended

December 31, are as follows:

(In thousands)

Decrease in prior year loss reserves

Increase in prior year earned premiums

Net favorable prior year development

2017

2016

2015

$

$

5,165

32,162

37,327

$

$

29,904

29,000

58,904

$

$

46,713

16,730

63,443

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Favorable prior year development (net of additional and return premiums) was $37 million in 2017 .

Insurance - Reserves for the Insurance segment developed favorably by $68 million in 2017. The favorable development was primarily attributable to

workers' compensation business, and was partially offset by unfavorable development for professional liability business.

For workers' compensation, the favorable development was related to both primary and excess business and was spread across many accident years,
including those prior to 2008, but was most significant in accident years 2014 through 2016. The favorable workers' compensation development reflects a
continuation during 2017 of the generally benign loss cost trends experienced in recent years, particularly the favorable claim frequency trends (i.e. number of
reported claims per unit of exposure). Reported workers' compensation losses in 2017 continued to be below our expectations at most of our operating units, and
were below the assumptions underlying our previous reserve estimates. The favorable severity trends were also impacted by our continued investment in medical
case management services and the higher usage of preferred provider networks. The long term trend of declining workers' compensation frequency can be
attributed to improved workplace safety.

For professional liability business, adverse development was primarily related to unexpected large directors & officers ("D&O") liability losses at one of our

U.S. operating units, and large professional indemnity and D&O losses in the U.K. The adverse development stemmed mainly from accident years 2013 through
2016 in the U.S. and 2011 through 2016 in the U.K.

Reinsurance - Reserves for the Reinsurance segment developed unfavorably by $31 million in 2017. This adverse development was due to reserve

strengthening associated with claims impacted by the change in the Ogden discount rate in the U.K., as well as adverse development on the U.S. facultative
casualty excess of loss business. The Ogden rate is the discount rate used to calculate lump-sum bodily injury payouts in the U.K., and was reduced by the U.K.
Ministry of Justice from +2.5% to -0.75% in 2017; the adverse development mostly related to U.K. motor bodily injury claims which we reinsured on an excess of
loss basis in accident years 2012 through 2016. The adverse development on U.S. facultative casualty business was due to construction related risks in accident
years 2008 and prior.

Favorable prior year development (net of additional and return premiums) was $59 million in 2016 .

Insurance - Reserves for the Insurance segment developed favorably by $53 million in 2016 . The favorable development was primarily related to workers'

compensation business, and was partially offset by unfavorable development for medical professional liability business.

For workers' compensation, the favorable development was related to both primary and excess business and to many accident years, including those prior to

2007. During 2016 , reported workers' compensation losses continued to be below our expectations at most of our operating units. Loss frequency and severity
trends continued to be better than the assumptions underlying our previous reserve estimates. Loss severity trends also benefited from our continued investment in
medical case management services and from our preferred provider networks. The long term trend of declining workers' compensation frequency can be attributed
to improved workplace safety.

For medical professional liability business, unfavorable development was primarily related to a class of business that has been discontinued. The adverse

development for that business stemmed mainly from accident years 2010 through 2015.

Reinsurance - Reserves for the Reinsurance segment developed favorably by $6 million in 2016 . The favorable development was primarily related to direct

facultative reinsurance business and to accident years 2008 through 2014.

Favorable prior year development (net of additional and return premiums) was $63 million in 2015 .

Insurance - Reserves for the Insurance segment developed favorably by $52 million in 2015 . The favorable development was primarily related to workers'
compensation, other liability business and commercial property, and was partially offset by unfavorable development for commercial automobile liability business
and professional indemnity business.

For workers' compensation, the favorable development was related to both primary and excess business and to many accident years, including those prior to
2007. In 2015 , reported workers' compensation losses were below our expectations for many of our operating units. In addition, overall loss frequency and severity
trends emerged better than the assumptions underlying our previous reserve estimates. The long term trend of declining workers' compensation claim frequency
continued in 2015 . The improvement is attributable to better workplace safety and to benign medical severity trends as we continue to invest in medical case
management services and higher usage of preferred provider networks.

For other liability business, favorable development was concentrated in accident years 2007 through 2013. The favorable development was primarily related

to our excess and surplus lines casualty business that has benefited from a persistent improvement in claim frequency trends over the past several years.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000For commercial property business, favorable development was attributable to accident years 2012 through 2014 and was driven by favorable frequency and

severity trends on property business written in Lloyd's.

For commercial automobile business, adverse development was primarily related to large losses for long-haul trucking business and to accident years 2011
through 2014. The higher loss cost trends for the commercial automobile industry are attributable, in part, to the increase in miles driven as the economy improved
and fuel prices declined over the past several years.

For professional indemnity business in the U.K., adverse development was primarily for accident years 2006 through 2013.

Reinsurance - Reserves for the Reinsurance segment developed favorably by $11 million in 2015 . The favorable development was primarily related to

direct facultative reinsurance business and to accident years 2005 through 2013. Loss reserves developed favorably for umbrella business and for other liability
coverage for contractors.

Reserve Discount . The Company discounts its liabilities for certain workers’ compensation reserves. The amount of workers’ compensation reserves that

were discounted was $ 1,855 million and $ 1,907 million at December 31, 2017 and December 31, 2016 , respectively. The aggregate net discount for those
reserves, after reflecting the effects of ceded reinsurance, was $591 million and $640 million at December 31, 2017 and 2016, respectively. At December 31, 2017
, discount rates by year ranged from 2.0% to 6.5% , with a weighted average discount rate of 3.8% .

Substantially all discounted workers’ compensation reserves ( 97% of total discounted reserves at December 31, 2017 ) are excess workers’ compensation

reserves. In order to properly match loss expenses with income earned on investment securities supporting the liabilities, reserves for excess workers’
compensation business are discounted using risk-free discount rates determined by reference to the U.S. Treasury yield curve. These rates are determined annually
based on the weighted average rate for the period. Once established, no adjustments are made to the discount rate for that period, and any increases or decreases in
loss reserves in subsequent years are discounted at the same rate, without regard to when any such adjustments are recognized. The expected loss and loss expense
payout patterns subject to discounting are derived from the Company’s loss payout experience.

The Company also discounts reserves for certain other long-duration workers’ compensation reserves (representing approximately 3% of total discounted

reserves at December 31, 2017 ), including reserves for quota share reinsurance and reserves related to losses regarding occupational lung disease. These reserves
are discounted at statutory rates permitted by the Department of Insurance of the State of Delaware.

Assumed Reinsurance Premiums . The Company estimates the amount of assumed reinsurance premiums that it will receive under treaty reinsurance

agreements at the inception of the contracts. These premium estimates are revised as the actual amount of assumed premiums is reported to the Company by the
ceding companies. As estimates of assumed premiums are made or revised, the related amount of earned premiums, commissions and incurred losses associated
with those premiums are recorded. Estimated assumed premiums receivable were approximately $56 million and $68 million at December 31, 2017 and 2016 ,
respectively. The assumed premium estimates are based upon terms set forth in reinsurance agreements, information received from ceding companies during the
underwriting and negotiation of agreements, reports received from ceding companies and discussions and correspondence with reinsurance intermediaries. The
Company also considers its own view of market conditions, economic trends and experience with similar lines of business. These premium estimates represent
management’s best estimate of the ultimate amount of premiums to be received under its assumed reinsurance agreements.

Other-Than-Temporary Impairments (OTTI) of Investments . The cost of securities is adjusted where appropriate to include a provision for decline in

value which is considered to be other-than-temporary. An other-than-temporary decline is considered to occur in investments where there has been a sustained
reduction in fair value and where the Company does not expect the fair value to recover prior to the time of sale or maturity. Since equity securities do not have a
contractual cash flow or maturity, the Company considers whether the price of an equity security is expected to recover within a reasonable period of time.

The Company classifies its fixed maturity securities and preferred stocks by credit rating, primarily based on ratings assigned by credit rating agencies. For

purposes of classifying securities with different ratings, the Company uses the average of the credit ratings assigned, unless in limited situations the Company's
own analysis indicates an internal rating is more appropriate. Securities that are not rated by a rating agency are evaluated and classified by the Company on a
case-by-case basis.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Fixed Maturity Securities – For securities that we intend to sell or, more likely than not, would be required to sell, a decline in value below amortized cost
is considered to be OTTI. The amount of OTTI is equal to the difference between amortized cost and fair value at the balance sheet date. For securities that we do
not intend to sell or expect to be required to sell, a decline in value below amortized cost is considered to be an OTTI if we do not expect to recover the entire
amortized cost basis of a security (i.e., the present value of cash flows expected to be collected is less than the amortized cost basis of the security).

The portion of the decline in value considered to be a credit loss (i.e., the difference between the present value of cash flows expected to be collected and
the amortized cost basis of the security) is recognized in earnings. The portion of the decline in value not considered to be a credit loss (i.e., the difference in the
present value of cash flows expected to be collected and the fair value of the security) is recognized in other comprehensive income.

Impairment assessments for structured securities, including mortgage-backed securities and asset-backed securities, collateralized debt obligations and
corporate debt, are generally evaluated based on the performance of the underlying collateral under various economic and default scenarios that may involve
subjective judgments and estimates by management. Modeling these securities involves various factors, such as projected default rates, the nature and realizable
value of the collateral, if any, the ability of the issuer to make scheduled payments, historical performance and other relevant economic and performance factors. If
an OTTI determination is made, a discounted cash flow analysis is used to ascertain the amount of the credit impairment.

The following table provides a summary of fixed maturity securities in an unrealized loss position as of December 31, 2017 :

($ in thousands)
Unrealized loss less than 20% of amortized cost

Unrealized loss of 20% or greater of amortized cost:

Twelve months and longer

Total

Number of
Securities

Aggregate
Fair Value

Unrealized
Loss

789

$

4,939,452

$

60,118

3

177

792

$

4,939,629

$

111

60,229

A summary of the Company’s non-investment grade fixed maturity securities that were in an unrealized loss position at December 31, 2017 is presented in the

table below.

($ in thousands)
Foreign government

Corporate

Mortgage-backed securities

State and municipal

Asset-backed securities

Total

Number of
Securities

Aggregate
Fair Value

Unrealized
Loss

11

$

96,741

$

7

6

1

3

54,590

5,368

3,662

441

28

$

160,802

$

1,197

2,725

138

1

116

4,177

The Company has evaluated its fixed maturity securities in an unrealized loss position and believes the unrealized loss is due primarily to temporary market

and sector-related factors rather than to issuer-specific factors. None of these securities are delinquent or in default under financial covenants. Based on its
assessment of these issuers, the Company expects them to continue to meet their contractual payment obligations as they become due and does not consider any of
these securities to be OTTI. For the years ended December 31, 2017 and 2016, there were no OTTI for fixed maturity securities recognized in earnings.

Preferred Stocks – At December 31, 2017 , there was one preferred stock in an unrealized loss position, with an aggregate fair value of $23.1 million and a

gross unrealized loss of $2.6 million . The preferred stock is rated investment grade. Management believes the unrealized loss is due primarily to market and sector
related factors and does not consider it to be OTTI. For the years ended December 31, 2017 and 2016, there were no OTTI for preferred stocks.

Common Stocks – At December 31, 2017 , there were three common stocks in an unrealized loss position with an aggregate fair value of $18.6 million and

a gross unrealized loss of $2.0 million. Based on management's view of these securities, the Company does not consider the common stocks to be OTTI. For the
year ended December 31, 2017 , there were no OTTI for common stocks. OTTI for common stocks for the year ended December 31, 2016 were $18.1 million.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Loans Receivable – The Company monitors the performance of its loans receivable, including current market conditions for each loan and the ability to
collect principal and interest. For loans where the Company determines it is probable that the contractual terms will not be met, an analysis is performed and a
valuation reserve is established, if necessary, with a charge to earnings. Loans receivable are reported net of a valuation reserve of $3 million for both
December 31, 2017 and 2016 .

The Company monitors the performance of its loans receivable and assesses the ability of each borrower to pay principal and interest based upon loan

structure, underlying property values, cash flow and related financial and operating performance of the property and market conditions. Loans receivable with a
potential for default are further assessed using discounted cash flow analysis and comparable cost and sales methodologies, if appropriate.

Fair Value Measurements . The Company’s fixed maturity and equity securities available for sale and its trading account securities are carried at fair
value. Fair value is defined as "the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at
the measurement date". The Company utilizes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad
levels. Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the
measurement date. Level 2 inputs are inputs other than quoted prices included within Level 1 that are observable for similar assets in active markets. Level 3 inputs
are unobservable inputs for the asset or liability. Unobservable inputs may only be used to measure fair value to the extent that observable inputs are not available.
The fair value of the vast majority of the Company’s portfolio is based on observable data (other than quoted prices) and, accordingly, is classified as Level 2.

In classifying particular financial securities in the fair value hierarchy, the Company uses its judgment to determine whether the market for a security is

active and whether significant pricing inputs are observable. The Company determines the existence of an active market by assessing whether transactions occur
with sufficient frequency and volume to provide reliable pricing information. The Company determines whether inputs are observable based on the use of such
information by pricing services and external investment managers, the uninterrupted availability of such inputs, the need to make significant adjustments to such
inputs and the volatility of such inputs over time. If the market for a security is determined to be inactive or if significant inputs used to price a security are
determined to be unobservable, the security is categorized in Level 3 of the fair value hierarchy.

Because many fixed maturity securities do not trade on a daily basis, the Company utilizes pricing models and processes which may include benchmark

curves, benchmarking of like securities, sector groupings and matrix pricing. Market inputs used to evaluate securities include benchmark yields, reported trades,
broker/dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers and reference data. Quoted prices are often unavailable for recently
issued securities that are infrequently traded or securities that are only traded in private transactions. For publicly traded securities for which quoted prices are
unavailable, the Company determines fair value based on independent broker quotations and other observable market data. For securities traded only in private
negotiations, the Company determines fair value based primarily on the cost of such securities, which is adjusted to reflect prices of recent placements of securities
of the same issuer, financial data, projections and business developments of the issuer and other relevant information.

The following is a summary of pricing sources for the Company's fixed maturity securities available for sale as of December 31, 2017 :

(In thousands)
Pricing source:

Independent pricing services

Syndicate manager

Directly by the Company based on:

Observable data

Cash flow model

Total

Carrying
Value

Percent
of Total

$

13,335,030

99.0%

40,255

96,461

172

0.3

0.7

—

$

13,471,918

100.0%

Independent pricing services - Substantially all of the Company’s fixed maturity securities available for sale were priced by independent pricing services

(generally one U.S. pricing service plus additional pricing services with respect to a limited number of foreign securities held by the Company). The prices
provided by the independent pricing services are generally based on observable market data in active markets (e.g., broker quotes and prices observed for
comparable securities). The determination of whether markets are active or inactive is based upon the volume and level of activity for a particular asset class. The
Company reviews the prices provided by pricing services for reasonableness based upon current trading levels for similar securities. If the prices appear unusual to
the Company, they are re-examined and the value is either confirmed or revised. In addition, the Company periodically performs independent price tests of a
sample of securities to ensure proper

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000valuation and to verify our understanding of how securities are priced. As of December 31, 2017 , the Company did not make any adjustments to the prices
provided by the pricing services. Based upon the Company’s review of the methodologies used by the independent pricing services, these securities were classified
as Level 2.

Syndicate manager – The Company has a 15% participation in a Lloyd’s syndicate, and the Company’s share of the securities owned by the syndicate is
priced by the syndicate’s manager. The majority of the securities are liquid, short duration fixed maturity securities. The Company reviews the syndicate manager’s
pricing methodology and audited financial statements and holds discussions with the syndicate manager as necessary to confirm its understanding and agreement
with security prices. Based upon the Company’s review of the methodologies used by the syndicate manager, these securities were classified as Level 2.

Observable data – If independent pricing is not available, the Company prices the securities directly. Prices are based on observable market data where

available, including current trading levels for similar securities and non-binding quotations from brokers. The Company generally requests two or more quotes. If
more than one quote is received, the Company sets a price within the range of quotes received based on its assessment of the credibility of the quote and its own
evaluation of the security. The Company generally does not adjust quotes obtained from brokers. Since these securities were priced based on observable data, they
were classified as Level 2.

Cash flow model – If the above methodologies are not available, the Company prices securities using a discounted cash flow model based upon assumptions

as to prevailing credit spreads, interest rates and interest rate volatility, time to maturity and subordination levels. Discount rates are adjusted to reflect illiquidity
where appropriate. These securities were classified as Level 3.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Results of Operations for the Years Ended December 31, 2017 and 2016

Business Segment Results

Following is a summary of gross and net premiums written, net premiums earned, loss ratios (losses and loss expenses incurred expressed as a percentage of
net premiums earned), expense ratios (underwriting expenses expressed as a percentage of net premiums earned) and GAAP combined ratios (sum of loss ratio and
expense ratio) for each of our business segments for the years ended December 31, 2017 and 2016 . The GAAP combined ratio represents a measure of
underwriting profitability, excluding investment income. A GAAP combined ratio in excess of 100 indicates an underwriting loss; a number below 100 indicates
an underwriting profit.

(In thousands)

Insurance

Gross premiums written

Net premiums written

Net premiums earned

Loss ratio

Expense ratio

GAAP combined ratio

Reinsurance

Gross premiums written

Net premiums written

Net premiums earned

Loss ratio

Expense ratio

GAAP combined ratio

Consolidated

Gross premiums written

Net premiums written

Net premiums earned

Loss ratio

Expense ratio

GAAP combined ratio

2017

2016

$

6,869,831

$

5,715,871

5,706,443

61.6%

32.9

94.5

$

607,132

544,637

604,976

80.2%

37.4

117.6

$

$

7,476,963

$

6,260,508

6,311,419

63.4%

33.3

96.7

6,795,506

5,743,620

5,618,842

61.0%

32.5

93.5

748,195

680,293

674,506

61.6%

39.0

100.6

7,543,701

6,423,913

6,293,348

61.1%

33.2

94.3

Net Income to Common Stockholders . The following table presents the Company’s net income to common stockholders and net income per diluted share

for the years ended December 31, 2017 and 2016 .

(In thousands, except per share data)

Net income to common stockholders

Weighted average diluted shares

Net income per diluted share

2017

2016

549,094

129,018

4.26

$

$

601,916

128,553

4.68

$

$

The Company reported net income of $549 million in 2017 compared to $602 million in 2016 . The 9% decrease in net income was primarily due to a
decrease in after-tax underwriting income of $98 million (mainly driven by increased catastrophe losses from hurricanes Harvey, Irma, and Maria, two earthquakes
in Mexico, and wildfires in California), an after-tax increase of $18 million in net foreign currency losses, an after-tax decrease in income from non-insurance
businesses of $9 million, an increase in after-tax interest expense of $4 million, and an increase in after-tax other expenses of $7 million, partially offset by an
increase in after-tax net investment gains of $45 million, a net benefit from tax reform of $21 million, an increase in after-tax net investment income of $8 million,
an after-tax increase of $3 million in service fee income and an increase in income from other various sources of $6 million. The number of weighted average
diluted shares remained relatively unchanged for 2017 and 2016 .

Premiums . Gross premiums written were $7,477 million in 2017 , a decrease of 1% from $7,544 million in 2016 . The decrease was due to a decrease in the

Reinsurance segment of $141 million, partially offset by an increase in the Insurance segment of $74 million. Approximately 79% of policies expiring in 2017
were renewed and 77% of policies expiring in 2016 were renewed.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Average renewal premium rates (adjusted for change in exposures) increased 0.9% in 2017 , 0.3% in 2016 and 1.2% in 2015 . However, overall loss costs
are also increasing, and current market price levels for certain lines of business remain below the prices required for the Company to achieve its long-term return
objectives.

A summary of gross premiums written in 2017 compared with 2016 by line of business within each business segment follows:
•

Insurance gross premiums increased 1% to $6,870 million in 2017 from $6,796 million in 2016 . Gross premiums increased $38 million (6%) for
commercial auto, $37 million (5%) for professional liability, $6 million (less than 1%) for short-tail lines and $6 million (less than 1%) for other
liability, partially offset by a decrease of $13 million (1%) for workers' compensation.

•

Reinsurance gross premiums decreased 19% to $607 million in 2017 from $748 million in 2016 . Gross premiums written decreased $108 million
(35%) for property lines and decreased $33 million (7%) for casualty lines.

Net premiums written were $6,261 million in 2017 , a decrease of 3% from $6,424 million in 2016 . Ceded reinsurance premiums as a percentage of gross

written premiums were 16% in 2017 and 15% in 2016 .

Premiums earned increased less than 1% to $6,311 million in 2017 from $6,293 million in 2016 . Insurance premiums (including the impact of rate changes)

are generally earned evenly over the policy term, and accordingly recent rate increases will be earned over the upcoming quarters. Premiums earned in 2017 are
related to business written during both 2017 and 2016 . Audit premiums were $172 million in 2017 compared with $156 million in 2016 .

Net Investment Income . Following is a summary of net investment income for the years ended December 31, 2017 and 2016 :

(In thousands)

2017

2016

2017

2016

Fixed maturity securities, including cash and cash equivalents and
loans receivable

$

473,101

$

444,247

3.3%

3.2%

Amount

Average Annualized
Yield

Investment funds

Real estate

Arbitrage trading account

Equity securities available for sale

Gross investment income

Investment expenses

Total

68,169

19,975

19,145

2,350

582,740

(6,952)

99,301

7,054

18,693

4,028

573,323

(9,160)

5.7

1.5

3.6

1.1

3.3

—

8.1

0.7

4.8

2.1

3.4

—

$

575,788

$

564,163

3.3%

3.4%

Net investment income increased 2% to $576 million in 2017 from $564 million in 2016 primarily due to an increase in income from fixed maturity

securities of $29 million, as well as real estate of $13 million and a decrease in investment expenses of $2 million, partially offset by a decrease in investment
funds of $31 million. Investment funds are reported on a one quarter lag. The average annualized yield for fixed maturity securities was 3.3% in 2017 and 3.2% in
2016 ; accordingly the increase in fixed maturity securities income was mainly the result of a larger investment portfolio. The effective duration of the fixed
maturity portfolio was 3.0 years at December 31, 2017 , down from 3.1 years at December 31, 2016 . Average invested assets, at cost (including cash and cash
equivalents), were $17.5 billion in 2017 and $16.7 billion in 2016 .

Insurance Service Fees . The Company earns fees from an insurance distribution business, a third-party administrator, and as a servicing carrier of workers'

compensation assigned risk plans for certain states. Insurance service fees were $135 million in 2017 and $139 million in 2016 .

Net Realized Gains on Investment Sales . The Company buys and sells securities and other investment assets on a regular basis in order to maximize its total

return on investments. Decisions to sell securities and other investment assets are based on management’s view of the underlying fundamentals of specific
investments as well as management’s expectations regarding interest rates, credit spreads, currency values and general economic conditions. Net realized gains on
investment sales were $336 million in 2017 compared with $285 million in 2016 . In 2017, realized gains were primarily related to the sale of an investment in an
office building located in Washington, D.C. and the sale of some shares of a publicly traded common stock. In 2016, realized gains were primarily related to the
sale of Aero Precision Industries and the sale of some shares of a publicly traded common stock.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Other-Than-Temporary Impairments. The cost of securities is adjusted where appropriate to include a provision for a decline in value that is considered to

be other-than-temporary. There were no other-than-temporary impairments in 2017 as compared to $18 million in 2016 primarily related to common stocks.

Revenues from Non-Insurance Businesses . Revenues from non-insurance businesses were derived from businesses engaged in the distribution of
promotional merchandise, world-wide textile solutions, and aviation-related businesses that provide services to aviation markets, including (i) the distribution,
manufacturing, repair and overhaul of aircraft parts and components, (ii) the sale of new and used aircraft, and (iii) avionics, fuel, maintenance, storage and charter
services. Revenues from non-insurance businesses decreased to $326 million in 2017 from $390 million in 2016 , primarily due to the sale of Aero Precision
Industries in August 2016, partially offset by revenues from the textile business purchased in March 2017.

Losses and Loss Expenses . Losses and loss expenses increased to $4,002 million in 2017 from $3,846 million in 2016 . The consolidated loss ratio was

63.4% in 2017 and 61.1% in 2016 . Catastrophe losses, net of reinsurance recoveries and reinstatement premiums, were $184 million in 2017 compared with $105
million in 2016 , an increase of 1.2 loss ratio points. Favorable prior year reserve development (net of premium offsets) was $37 million in 2017 compared with
$59 million in 2016 , a difference of 0.3 loss ratio points (see "- Critical Accounting Estimates - Reserves for Losses and Loss Expenses"). The loss ratio excluding
catastrophe losses and prior year reserve development increased 0.8 points to 61.1% in 2017 from 60.3% in 2016 .

A summary of loss ratios in 2017 compared with 2016 by business segment follows:
•

Insurance - The loss ratio of 61.6% in 2017 was 0.6 points higher than the loss ratio of 61.0% in 2016 . Catastrophe losses were $107 million in 2017
compared with $89 million in 2016 , an increase of 0.4 loss ratio points. Favorable prior year reserve development was $68 million in 2017 compared
with $53 million in 2016 , a decrease of 0.3 loss ratio points. The loss ratio excluding catastrophe losses and prior year reserve development increased
0.5 points to 60.9% in 2017 from 60.4% in 2016 .

•

Reinsurance - The loss ratio of 80.2% in 2017 was 18.6 points higher than the loss ratio of 61.6% in 2016 . Catastrophe losses were $77 million in 2017
compared with $16 million in 2016 , an increase of 10.3 loss ratio points. Adverse prior year reserve development was $31 million in 2017 compared
with favorable prior year reserve development of $6 million in 2016 , a difference of 6.0 loss ratio points. Adverse prior year development in 2017 was
largely due to the impact of the change in Ogden discount rate in the U.K. and adverse development related to the U.S. facultative excess of loss
business. The loss ratio excluding catastrophe losses and prior year reserve development increased 2.3 points to 62.3% in 2017 from 60.0% in 2016 .

Other Operating Costs and Expenses . Following is a summary of other operating costs and expenses:

(In thousands)

Policy acquisition and insurance operating expenses

Insurance service expenses

Net foreign currency losses (gains)

Other costs and expenses

Total

2017

2016

2,101,024

$

2,089,203

129,776

15,267

190,865

138,908

(11,904)

179,412

2,436,932

$

2,395,619

$

$

Policy acquisition and insurance operating expenses are comprised of commissions paid to agents and brokers, premium taxes and other assessments and

internal underwriting costs. Policy acquisition and insurance operating expenses increased less than 1% compared with the increase in net premiums earned of less
than 1%. The expense ratio (policy acquisition and insurance operating expenses expressed as a percentage of premiums earned) was 33.3% in 2017 and 33.2% in
2016 .

Insurance service expenses, which represent the costs associated with the fee-based businesses, decreased 7% to $130 million from $139 million in 2016.

Net foreign currency (gains) losses result from transactions denominated in a currency other than an operating unit’s functional currency. Net foreign

currency losses were $15 million in 2017 compared to gains of $12 million in 2016 .

Other costs and expenses represent general and administrative expenses of the parent company and other expenses not allocated to business segments,
including the cost of certain long-term incentive plans and new business ventures. Other costs and expenses increased to $191 million in 2017 from $179 million in
2016 primarily because of startup costs for new business ventures.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Expenses from Non-Insurance Businesses . Expenses from non-insurance businesses represent costs associated with businesses engaged in the

distribution of promotional merchandise, world-wide textile solutions, and aviation-related businesses that include (i) cost of goods sold related to aircraft and
products sold and services provided, and (ii) general and administrative expenses. Expenses from non-insurance businesses were $325 million in 2017 compared to
$375 million in 2016 . The decline mainly relates to the sale of Aero Precision Industries in August 2016, partially offset by expenses from the textile business
purchased in March 2017.

Interest Expense . Interest expense was $147 million in 2017 compared with $141 million in 2016 . During 2016, the Company repaid $83 million of debt

mainly in connection with the sale of Aero Precision Industries. In February 2016, the company issued $110 million of 5.9% subordinated debentures maturing in
2056, and in May 2016, the Company issued $290 million of 5.75% subordinated debentures maturing in 2056. During 2017, one of the Company's non-insurance
subsidiaries issued $7 million of debt.

Income Taxes . The effective income tax rate was 28% in 2017 compared to 33% in 2016 . The lower tax rate in 2017 was due, in part, to tax reform (the
Tax Cuts and Jobs Act of 2017) as well as the new requirement under U.S. GAAP in 2017 to recognize tax benefits for stock compensation in income tax expense.
The effective income tax rate differs from the federal income tax rate of 35% primarily because of tax-exempt investment income and previously mentioned
additional 2017 tax impacts.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Results of Operations for the Years Ended December 31, 2016 and 2015

Business Segment Results

Following is a summary of gross and net premiums written, net premiums earned, loss ratios (losses and loss expenses incurred expressed as a percentage of
net premiums earned), expense ratios (underwriting expenses expressed as a percentage of net premiums earned) and GAAP combined ratios (sum of loss ratio and
expense ratio) for each of our business segments for the years ended December 31, 2016 and 2015. The GAAP combined ratio represents a measure of
underwriting profitability, excluding investment income. A GAAP combined ratio in excess of 100 indicates an underwriting loss; a number below 100 indicates
an underwriting profit.

(In thousands)

Insurance

Gross premiums written

Net premiums written

Net premiums earned

Loss ratio

Expense ratio

GAAP combined ratio

Reinsurance

Gross premiums written

Net premiums written

Net premiums earned

Loss ratio

Expense ratio

GAAP combined ratio

Consolidated

Gross premiums written

Net premiums written

Net premiums earned

Loss ratio

Expense ratio

GAAP combined ratio

2016

2015

$

6,795,506

$

5,743,620

5,618,842

61.0%

32.5

93.5

$

748,195

680,293

674,506

61.6%

39.0

100.6

$

$

7,543,701

$

6,423,913

6,293,348

61.1%

33.2

94.3

6,565,148

5,555,437

5,393,166

60.8%

32.6

93.4

684,845

634,078

647,443

58.2%

38.4

96.6

7,249,993

6,189,515

6,040,609

60.5%

33.2

93.7

Net Income to Common Stockholders . The following table presents the Company’s net income to common stockholders and net income per diluted share

for the years ended December 31, 2016 and 2015.

(In thousands, except per share data)

Net income to common stockholders

Weighted average diluted shares

Net income per diluted share

2016

2015

601,916

128,553

4.68

$

$

503,694

130,189

3.87

$

$

The Company reported net income of $602 million in 2016 compared to $504 million in 2015. The 20% increase in net income was primarily due to

increases in after-tax net investment gains of $114 million, after-tax net investment income of $34 million and after-tax foreign currency gains of $8 million,
partially offset by a decrease in after-tax underwriting income of $13 million, an increase in after-tax interest expense of $7 million, a decrease in after-tax income
from non-insurance businesses of $6 million, a decrease in after-tax service fee income of $8 million and an an increase in after-tax other expenses of $24 million.
The number of weighted average diluted shares decreased as a result of the Company’s repurchases of its common stock in 2016 and 2015.

Premiums . Gross premiums written were $7,544 million in 2016, an increase of 4% from $7,250 million in 2015. The growth was due to a combination of

increased exposures and higher rates. Approximately 77% of policies expiring in 2016 were renewed, the same renewal retention rate as for policies expiring in
2015.

Average renewal premium rates (adjusted for change in exposures) increased 3.4% in 2014, 1.2% in 2015 and 0.3% in 2016. However, overall loss costs are

also increasing, and current market price levels for certain lines of business remain below the prices required for the Company to achieve its long-term return
objectives.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000A summary of gross premiums written in 2016 compared with 2015 by line of business within each business segment follows:
•

Insurance gross premiums increased 4% to $6,796 million in 2016 from $6,565 million in 2015. Gross premiums increased $198 million (10%) for
other liability, $58 million (9%) for professional liability and $32 million (2%) for workers' compensation, partially offset by decreases of $30 million
(4%) for commercial auto and $27 million (2%) for short-tail lines.

•

Reinsurance gross premiums increased 9% to $748 million in 2016 from $685 million in 2015. Gross premiums written decreased $7 million (2%) for
casualty lines and increased $70 million (29%) for property lines.

Net premiums written were $6,424 million in 2016, an increase of 4% from $6,190 million in 2015. Ceded reinsurance premiums as a percentage of gross

written premiums were 15% in both 2016 and 2015.

Premiums earned increased 4% to $6,293 million in 2016 from $6,041 million in 2015. Insurance premiums (including the impact of rate changes) are
generally earned evenly over the policy term, and accordingly recent rate increases will be earned over the upcoming quarters. Premiums earned in 2016 are related
to business written during both 2016 and 2015. Audit premiums were $156 million in 2016 compared with $153 million in 2015.

Net Investment Income . Following is a summary of net investment income for the years ended December 31, 2016 and 2015:

(In thousands)

2016

2015

2016

2015

Fixed maturity securities, including cash and cash equivalents and
loans receivable

$

444,247

$

428,325

3.2%

3.2%

Amount

Average Annualized
Yield

Investment funds

Arbitrage trading account

Real estate

Equity securities available for sale

Gross investment income

Investment expenses

Total

99,301

7,054

18,693

4,028

573,323

(9,160)

$

564,163

$

62,228

16,891

11,294

4,624

523,362

(10,717)

512,645

8.1

0.7

4.8

2.1

3.4

—

5.2

3.3

1.4

2.7

3.3

—

3.4%

3.2%

Net investment income increased 10% to $564 million in 2016 from $513 million in 2015 primarily due to an increase in income from investment funds of

$37 million and fixed maturity securities of $16 million. Investment funds are reported on a one quarter lag. The average annualized yield for fixed maturity
securities was 3.2% in both 2016 and 2015; accordingly the increase in fixed maturity securities income was mainly a result of a larger investment base. The
effective duration of the fixed maturity portfolio was 3.1 years at December 31, 2016, down from 3.3 years at December 31, 2015. Average invested assets, at cost
(including cash and cash equivalents), were $16.7 billion in 2016 and $16.0 billion in 2015.

Insurance Service Fees . The Company earns fees from an insurance distribution business, a third party administrator, and as a servicing carrier of workers'

compensation assigned risk plans for certain states. Insurance service fees were $139 million in 2016 and 2015.

Net Realized Gains on Investment Sales . The Company buys and sells securities on a regular basis in order to maximize its total return on investments.

Decisions to sell securities are based on management’s view of the underlying fundamentals of specific securities as well as management’s expectations regarding
interest rates, credit spreads, currency values and general economic conditions. Net realized gains on investment sales were $285 million in 2016 compared with
$126 million in 2015. In 2016, realized gains were primarily related to the sale of Aero Precision Industries and the sale of some shares of a publicly traded
common stock. In 2015, realized gains were primarily related to sale of some shares of a publicly traded common stock held by one of the Company's investment
funds.

Other-Than-Temporary Impairments . The cost of securities is adjusted where appropriate to include a provision for a decline in value that is considered to

be other-than-temporary. Other-than-temporary impairments of $18 million in 2016 were primarily related to common stock. In 2015, other-than-temporary
impairments of $33 million were primarily related to equity securities.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Revenues from Non-Insurance Businesses . Revenues from non-insurance businesses were derived from a business engaged in the distribution of

promotional merchandise and aviation-related businesses that provide services to aviation markets, including (i) the distribution, manufacturing, repair and
overhaul of aircraft parts and components, (ii) the sale of new and used aircraft, and (iii) avionics, fuel, maintenance, storage and charter services. Revenues from
non-insurance businesses decreased to $390 million in 2016 from $421 million in 2015, primarily due to the sale of Aero Precision Industries in August 2016.
Losses and Loss Expenses . Losses and loss expenses increased to $3,846 million in 2016 from $3,656 million in 2015. The consolidated loss ratio was

61.1% in 2016 and 60.5% in 2015. Catastrophe losses, net of reinsurance recoveries and reinstatement premiums, were $105 million in 2016 compared with $58
million in 2015, an increase of 0.7 loss ratio points. Favorable prior year reserve development (net of premium offsets) was $59 million in 2016 compared with $63
million in 2015, a difference of 0.2 loss ratio points (see "- Critical Accounting Estimates - Reserves for Losses and Loss Expenses"). The loss ratio excluding
catastrophe losses and prior year reserve development decreased 0.3 points to 60.3% in 2016 from 60.6% in 2015.

A summary of loss ratios in 2016 compared with 2015 by business segment follows:
•

Insurance - The loss ratio of 61.0% in 2016 was 0.2 points higher than the loss ratio of 60.8% in 2015. Catastrophe losses were $89 million in 2016
compared with $55 million in 2015, an increase of 0.6 loss ratio points. Favorable prior year reserve development was $53 million in 2016 compared
with $52 million in 2015, reflecting no difference of loss ratio points. The loss ratio excluding catastrophe losses and prior year reserve development
decreased 0.4 points to 60.4% in 2016 from 60.8% in 2015.

•

Reinsurance - The loss ratio of 61.6% in 2016 was 3.4 points higher than the loss ratio of 58.2% in 2015. Catastrophe losses were $16 million in 2016
compared with $3 million in 2015, an increase of 2.0 loss ratio points. Favorable prior year reserve development was $6 million in 2016 compared with
$11 million in 2015, a difference of 0.9 loss ratio points. The loss ratio excluding catastrophe losses and prior year reserve development increased 0.5
points to 60.2% in 2016 from 59.7% in 2015.

Other Operating Costs and Expenses . Following is a summary of other operating costs and expenses:

(In thousands)

Policy acquisition and insurance operating expenses

Insurance service expenses

Net foreign currency (gains) losses

Other costs and expenses

Total

2016

2015

2,089,203

$

138,908

(11,904)

179,412

2,395,619

$

2,005,498

127,365

400

156,487

2,289,750

$

$

Policy acquisition and insurance operating expenses are comprised of commissions paid to agents and brokers, premium taxes and other assessments and

internal underwriting costs. Policy acquisition and insurance operating expenses increased 4%, the same as the increase in net premiums earned of 4%. The
expense ratio (policy acquisition and insurance operating expenses expressed as a percentage of premiums earned) was 33.2% in both 2016 and 2015.

Insurance service expenses, which represent the costs associated with the fee-based businesses, increased 9% to $139 million.
Net foreign currency (gains) losses result from transactions denominated in a currency other than an operating unit’s functional currency. Net foreign

currency gains were $12 million in 2016 compared to losses of $400 thousand in 2015.

Other costs and expenses represent general and administrative expenses of the parent company and other expenses not allocated to business segments,

including the cost of certain long-term incentive plans. Other costs and expenses increased to $179 million in 2016 from $156 million in 2015 due partially to the
formation of additional operating units that had not yet commenced operations.

Expenses from Non-Insurance Businesses . Expenses from non-insurance businesses represent costs associated with a business engaged in the distribution
of promotional merchandise and aviation-related businesses that include (i) cost of goods sold related to aircraft and products sold and services provided, and (ii)
general and administrative expenses. Expenses from non-insurance businesses were $375 million in 2016 compared to $397 million in 2015, with the decrease
primarily related to the sale of Aero Precision Industries in August 2016.

Interest Expense . Interest expense was $141 million in 2016 compared with $131 million in 2015. During 2016, the Company repaid $87 million of debt on
various issuances, mainly in connection with the sale of Aero Precision Industries. The Company repaid $200 million of 5.6% senior notes at maturity on May 15,
2015. In February 2016, the Company issued $110 million of 5.9% subordinated debentures maturing in 2056, and in May 2016, the Company issued $290 million
of 5.75% subordinated debentures maturing in 2056.

Income Taxes . The effective income tax rate was 33% in 2016 compared to 31% in 2015. The higher tax rate in 2016 was due, in part, to higher capital

gains and state taxes. The effective income tax rate differs from the federal income tax rate of 35% primarily because of tax-exempt investment income.

46

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Investments

As part of its investment strategy, the Company establishes a level of cash and highly liquid short-term and intermediate-term securities that, combined with
expected cash flow, it believes is adequate to meet its payment obligations. Due to the near historically low fixed maturity investment returns, the Company invests
in equity securities, merger arbitrage securities, investment funds, private equity, loans and real estate related assets. The Company's investments in investment
funds and its other alternative investments have experienced, and the Company expects to continue to experience, greater fluctuations in investment income.

The Company also attempts to maintain an appropriate relationship between the effective duration of the investment portfolio and the approximate duration
of its liabilities (i.e., policy claims and debt obligations). The effective duration of the investment portfolio was 3.0 years and 3.1 years at December 31, 2017 and
2016 , respectively. The Company’s investment portfolio and investment-related assets as of December 31, 2017 were as follows:

($ in thousands)
Fixed maturity securities:

Carrying
Value

Percent
of Total

U.S. government and government agencies

$

377,740

2.1%

State and municipal:

Special revenue

State general obligation

Pre-refunded (1)

Local general obligation

Corporate backed

Total state and municipal

Mortgage-backed securities:

Agency

Commercial

Residential-Prime

Residential-Alt A

Total mortgage-backed securities

Asset-backed securities

Corporate:

Industrial

Financial

Utilities

Other

Total corporate

Foreign government

Total fixed maturity securities

Equity securities available for sale:

Common stocks

Preferred stocks

Total equity securities available for sale

Real estate

Investment funds

Cash and cash equivalents

Arbitrage trading account

Loans receivable

Total investments

______________

2,725,833

490,890

464,802

444,984

384,467

4,510,976

821,815

260,545

211,363

19,658

1,313,381

2,111,544

2,618,892

1,434,767

294,954

40,499

4,389,112

848,497

13,551,250

352,204

224,443

576,647

1,469,601

1,155,677

950,471

617,649

79,684

14.7

2.7

2.5

2.4

2.1

24.5

4.5

1.4

1.1

0.1

7.1

11.5

14.2

7.8

1.6

0.2

23.8

4.6

73.6

1.9

1.2

3.1

8.0

6.3

5.2

3.4

0.4

$

18,400,979

100.0%

(1) Pre-refunded securities are securities for which an escrow account has been established to fund the remaining payments of principal and interest through

maturity. Such escrow accounts are funded almost exclusively with U.S. Treasury and U.S. government agency securities.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Fixed Maturity Securities . The Company’s investment policy with respect to fixed maturity securities is generally to purchase instruments with the
expectation of holding them to their maturity. However, management of the available for sale portfolio is considered necessary to maintain an approximate
matching of assets and liabilities as well as to adjust the portfolio as a result of changes in financial market conditions and tax considerations.

The Company’s philosophy related to holding or selling fixed maturity securities is based on its objective of maximizing total return. The key factors that

management considers in its investment decisions as to whether to hold or sell fixed maturity securities are its view of the underlying fundamentals of specific
securities as well as its expectations regarding interest rates, credit spreads and currency values. In a period in which management expects interest rates to rise, the
Company may sell longer duration securities in order to mitigate the impact of an interest rate rise on the fair value of the portfolio. Similarly, in a period in which
management expects credit spreads to widen, the Company may sell lower quality securities, and in a period in which management expects certain foreign
currencies to decline in value, the Company may sell securities denominated in those foreign currencies. The sale of fixed maturity securities in order to achieve
the objective of maximizing total return may result in realized gains; however, there is no reason to expect these gains to continue in future periods.

At December 31, 2017 , investments in foreign government fixed maturity securities were as follows:

(In thousands)
Australia

Argentina

Canada

United Kingdom

Brazil

Germany

Singapore

Supranational (1)

Norway

Mexico

Colombia

Uruguay

Total

Carrying
Value
212,821

$

179,581

169,222

85,109

60,693

39,520

36,450

31,322

9,589

9,107

7,690

7,393

$

848,497

_______________
(1) Supranational represents investments in the North American Development Bank, European Investment Bank and International Bank for Reconstruction &

Development.

Equity Securities Available for Sale . Equity securities primarily represent investments in common and preferred stocks in companies with potential growth

opportunities in different sectors, including healthcare and financial institutions.

Investment Funds . At December 31, 2017 , the carrying value of investment funds was $1,156 million, including investments in real estate funds of $607

million, energy funds of $83 million, and other funds of $466 million. Investment funds are primarily reported on a one-quarter lag.

Real Estate . Real estate is directly owned property held for investment. At December 31, 2017 , real estate properties in operation included a long-term

ground lease in Washington D.C., a hotel in Memphis, Tennessee, an office complex in New York City and office buildings in West Palm Beach and Palm Beach,
Florida. In addition, there are two properties under development: an office building in London and a mixed-use project in Washington D.C. The Company expects
to fund further development costs for these projects with a combination of its own funds and external financing.

Arbitrage Trading Account . The arbitrage trading account is comprised of direct investments in arbitrage securities. Merger arbitrage is the business of

investing in the securities of publicly held companies that are the targets in announced tender offers and mergers.

Loans Receivable . Loans receivable, which are carried at amortized cost, had an amortized cost of $80 million and an aggregate fair value of $82 million at
December 31, 2017 . The amortized cost of loans receivable is net of a valuation allowance of $3 million as of December 31, 2017 . Loans receivable include real
estate loans of $66 million that are secured by commercial real estate located primarily in Georgia and New York. Real estate loans receivable generally earn
interest at floating LIBOR-based interest rates and have maturities (inclusive of extension options) through August 2025. Loans receivable include commercial
loans of $14 million that are secured by business assets and have fixed interest rates and varying maturities not exceeding 15 years.

48

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Liquidity and Capital Resources

Cash Flow . Cash flow provided from operating activities decreased to $711 million in 2017 from $848 million in 2016 , primarily due to the timing of loss

and loss expense payments and payments to taxing authorities.

The Company's insurance subsidiaries' principal sources of cash are premiums, investment income, service fees and proceeds from sales and maturities of

portfolio investments. The principal uses of cash are payments for claims, taxes, operating expenses and dividends. The Company expects its insurance subsidiaries
to fund the payment of losses with cash received from premiums, investment income and fees. The Company generally targets an average duration for its
investment portfolio that is within one year of the average duration of its liabilities so that portions of its investment portfolio mature throughout the claim cycle
and are available for the payment of claims if necessary. In the event operating cash flow and proceeds from maturities and prepayments of fixed income securities
are not sufficient to fund claim payments and other cash requirements, the remainder of the Company's cash and investments is available to pay claims and other
obligations as they become due. The Company's investment portfolio is highly liquid, with approximately 80% invested in cash, cash equivalents and marketable
fixed maturity securities as of December 31, 2017. If the sale of fixed maturity securities were to become necessary, a realized gain or loss equal to the difference
between the cost and sales price of securities sold would be recognized.

Debt . At December 31, 2017 , the Company had senior notes, subordinated debentures and other debt outstanding with a carrying value of $2,497 million
and a face amount of $2,530 million. The maturities of the outstanding debt are $443 million in 2019, $311 million in 2020, $426 million in 2022, $250 million in
2037, $350 million in 2044, $350 million in 2053 and $400 million in 2056.

In February 2016, the Company issued $110 million aggregate principal amount of its 5.9% subordinated debentures due 2056, and in May 2016, the
Company issued $290 million aggregate principal amount of its 5.75% subordinated debentures due 2056. During 2016, the Company repaid $83 million of debt
on various issuances, mainly in connection with the sale of Aero Precision Industries. During 2017, one of the Company's non-insurance subsidiaries issued $7
million of debt.

Equity . The Company repurchased 731,003, 2,395,892 and 4,502,025 shares of its common stock in 2017 , 2016 and 2015 , respectively. The aggregate

cost of the repurchases was $48 million in 2017 , $132 million in 2016 and $224 million in 2015 . At December 31, 2017 , total common stockholders’ equity was
$5.41 billion, common shares outstanding were 121,514,852 and stockholders’ equity per outstanding share was $44.53.

Total Capital . Total capitalization (equity, senior notes and other debt and subordinated debentures) was $7.9 billion at December 31, 2017 . The

percentage of the Company’s capital attributable to senior notes, subordinated debentures and other debt was 32% at December 31, 2017 and 33% at December 31,
2016 .

Federal and Foreign Income Taxes

The Company files a consolidated income tax return in the U.S. and foreign tax returns in each of the countries in which it has overseas operations. At

December 31, 2017 , the Company had a gross deferred tax asset (net of valuation allowance) of $314 million (which primarily relates to loss and loss expense
reserves and unearned premium reserves) and a gross deferred tax liability of $401 million (which primarily relates to deferred policy acquisition costs and
unrealized investment gains). The realization of the deferred tax asset is dependent upon the Company's ability to generate sufficient taxable income in future
periods. Based on historical results and the prospects for future operations, management anticipates that it is more likely than not that future taxable income will be
sufficient for the realization of this asset.

As result of the mandatory repatriation provision of the Tax Cuts and Jobs Act of 2017, the Company recognized a tax on the undistributed earnings of its

foreign subsidiaries. The Company plans to continue its policy to permanently reinvest the undistributed earnings of its foreign subsidiaries.

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The Company follows customary industry practice of reinsuring a portion of its exposures in exchange for paying reinsurers a part of the premiums received

on the policies it writes. Reinsurance is purchased by the Company principally to reduce its net liability on individual risks and to protect it against catastrophic
losses. Although reinsurance does not legally discharge an insurer from its primary liability for the full amount of the policies, it does make the assuming reinsurer
liable to the insurer to the extent of the reinsurance coverage. The Company monitors the financial condition of its reinsurers and attempts to place its coverages
only with financially sound carriers. Reinsurance coverage and retentions vary depending on the line of business, location of the risk and nature of loss. The
Company’s reinsurance purchases include the following:

•

•

•

•

Property reinsurance treaties - The Company purchases property reinsurance to reduce its exposure to large individual property losses and catastrophe
events. Following is a summary of significant property reinsurance treaties in effect as of January 1, 2018: The Company’s property per risk
reinsurance generally covers losses between $2.5 million and $50 million. The Company’s catastrophe excess of loss reinsurance program provides
protection for net losses between $30 million and $355 million for the majority of business written by its U.S. Insurance segment operating units,
excluding offshore energy. The Company has separate catastrophe excess of loss reinsurance for business written through its Lloyd’s Syndicate that
provides protection for losses between $8.5 million and $52.5 million for events in North America. For North American losses greater than $52.5
million, the business written through the Company's Lloyd's Syndicate is protected within the U.S. program up to $355 million. The Company’s
catastrophe reinsurance agreements are subject to certain limits, exclusions and reinstatement premiums.

Casualty reinsurance treaties - The Company purchases casualty reinsurance to reduce its exposure to large individual casualty losses, workers’
compensation catastrophe losses and casualty losses involving multiple claimants or insureds for the majority of business written by its U.S. companies.
A significant casualty treaty (casualty catastrophe) in effect as of January 1, 2018 provides protection for losses between $5 million and $75 million
from single events with claims involving two or more insurable interests or for systemic events involving multiple insureds and/or policy years. The
treaty also covers casualty contingency losses in excess of $1 million and up to $111 million. For losses involving two or more claimants for primary
workers’ compensation business, coverage is generally in place for losses between $5 million and $220 million. For excess workers’ compensation
business, such coverage is generally in place for losses between $25 million and $275 million.

Facultative reinsurance - The Company also purchases facultative reinsurance on certain individual policies or risks that are in excess of treaty
reinsurance capacity.

Other reinsurance - Depending on the operating unit, the Company purchases specific additional reinsurance to supplement the above programs.

The Company places a number of its casualty treaties on a “risk attaching” basis. Under risk attaching treaties, all claims from policies incepting during the
period of the reinsurance contract are covered even if they occur after the expiration date of the reinsurance contract. If the Company is unable to renew or replace
its existing reinsurance coverage, protection for unexpired policies would remain in place until their expiration. In such case, the Company could revise its
underwriting strategy for new business to reflect the absence of reinsurance protection. The casualty catastrophe treaty highlighted above was purchased on a
claims made basis. Property catastrophe and workers’ compensation catastrophe reinsurance is generally placed on a “losses occurring basis,” whereby only claims
occurring during the period are covered. If the Company is unable to renew or replace these reinsurance coverages, unexpired policies would not be protected,
though we frequently have the option to purchase run-off coverage in our treaties.

Following is a summary of earned premiums and loss and loss expenses ceded to reinsurers for each of the three years ended December 31, 2017:

(In thousands)

Earned premiums

Losses and loss expenses

Year Ended December 31,

2017

2016

2015

$ 1,161,936

$ 1,099,462

$ 1,050,840

601,769

707,336

501,999

Ceded earned premiums increased 5.7% in 2017 to $1,162 million. The ceded losses and loss expenses ratio decreased 12 points to 52% in 2017 from 64% in

2016 .

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uncollectible reinsurance of $1 million in the aggregate.

(In thousands)

Reinsurer

Amounts due in excess of $20 million:

Rating

(1)

Amount

Munich Re

  Lloyd’s of London

  Alleghany Group

  Swiss Re

  Partner Re

  Axis Capital

  Hannover Re Group

  Berkshire Hathaway

  Everest Re

  Korean Re

  Chubb Limited

  Renaissance Re

  Liberty Mutual

  Arch Capital Group

Other reinsurers:

  Rated A- or better

  Secured (2)

All Others

Subtotal

Residual markets pools (3)

Total

_________________

AA-

A+

A+

AA-

A+

A+

AA-

AA+

A+

A

AA

AA-

A

A+

$

$

156,368

152,934

152,468

129,369

87,491

82,803

64,011

56,892

50,387

44,072

30,977

27,095

22,629

21,310

147,193

124,240

21,701

1,371,940

411,260

1,783,200

(1) S&P rating, or if not rated by S&P, A.M. Best rating.
(2) Secured by letters of credit or other forms of collateral.
(3) Many states require licensed insurers that provide workers' compensation insurance to participate in programs that provide workers' compensation to

employers that cannot procure coverage from an insurer on a voluntary basis. Insurers can fulfill this residual market obligation by participating in pools
where results are shared by the participating companies. The Company acts as a servicing carrier for workers' compensation pools in certain states. As a
servicing carrier, the Company writes residual market business directly and then cedes 100% of this business to the respective pool. As a servicing carrier, the
Company receives fee income for its services. The Company does not retain underwriting risk, and credit risk is limited as ceded balances are jointly shared by
all the pool members.

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Following is a summary of the Company's contractual obligations as of December 31, 2017 :

(In thousands)

Estimated Payments By Periods

2018

2019

2020

2021

2022

Thereafter

Gross reserves for losses

$

3,055,152

$

2,090,745

$

1,541,430

$

1,120,935

$

820,851

$

3,654,114

Operating lease obligations

Purchase obligations

Subordinated debentures

Debt maturities

Interest payments

Other long-term liabilities

    Total

50,116

122,402

—

—

144,846

3,402

41,326

53,111

—

442,651

144,846

3,095

38,721

43,876

—

311,000

114,071

2,847

34,982

38,577

—

—

97,946

2,548

29,720

38,115

—

426,533

94,618

2,244

92,086

17,475

750,000

599,487

1,967,186

29,387

$

3,375,918

$

2,775,774

$

2,051,945

$

1,294,988

$

1,412,081

$

7,109,735

The estimated payments for reserves for losses and loss expenses in the above table represent the projected (undiscounted) payments for gross loss and loss
expense reserves related to losses incurred as of December 31, 2017 . The estimated payments in the above table do not consider payments for losses to be incurred
in future periods. These amounts include reserves for reported losses and reserves for incurred but not reported losses. Estimated amounts recoverable from
reinsurers are not reflected. The estimated payments by year are based on historical loss payment patterns.The actual payments may differ from the estimated
amounts due to changes in ultimate loss reserves and in the timing of the settlement of those reserves. In addition, at December 31, 2017 , the Company had
commitments to invest up to $406.2 million and $359.7 million in certain investment funds and real estate construction projects, respectively. These amounts are
not included in the above table.

The Company utilizes letters of credit to back certain reinsurance payments and obligations. Outstanding letters of credit were $4 million as of

December 31, 2017 . The Company has made certain guarantees to state regulators that the statutory capital of certain subsidiaries will be maintained above certain
minimum levels.

Off-Balance Sheet Arrangements

An off-balance sheet arrangement is any transaction, agreement or other contractual arrangement involving an unconsolidated entity under which a company

has (1) made guarantees, (2) a retained or contingent interest in transferred assets, (3) an obligation under derivative instruments classified as equity or (4) any
obligation arising out of a material variable interest in an unconsolidated entity that provides financing, liquidity, market risk or credit risk support to the Company,
or that engages in leasing, hedging or research and development arrangements with the Company. The Company has no arrangements of these types that
management believes may have a material current or future effect on our financial condition, liquidity or results of operations.

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ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Market Risk . The fair value of the Company’s investments is subject to risks of fluctuations in credit quality and interest rates. The Company uses various

models and stress test scenarios to monitor and manage interest rate risk. The Company attempts to manage its interest rate risk by maintaining an appropriate
relationship between the effective duration of the investment portfolio and the approximate duration of its liabilities (i.e., policy claims and debt obligations). The
effective duration for the fixed maturity portfolio (including cash and cash equivalents) was 3.0 years and 3.1 years at December 31, 2017 and 2016 , respectively.

In addition, the fair value of the Company’s international investments is subject to currency risk. The Company attempts to manage its currency risk by

matching its foreign currency assets and liabilities where considered appropriate.

The following table outlines the groups of fixed maturity securities and their effective duration at December 31, 2017 :

($ in thousands)
State and municipal

Corporate

Mortgage-backed securities

U.S. government and government agencies

Foreign government

Loans receivable

Asset-backed securities

Cash and cash equivalents

Total

Effective

Duration

(Years)

4.1

3.7

3.7

3.0

2.1

1.5

0.8

—

3.0

$

Fair Value

4,525,475

4,389,112

1,314,608

377,740

848,497

82,047

2,111,544

950,471

$

14,599,494

Duration is a common measure of the price sensitivity of fixed maturity securities to changes in interest rates. The Company determines the estimated

change in fair value of the fixed maturity securities, assuming parallel shifts in
the yield curve for treasury securities while keeping spreads between individual securities and treasury securities static. The estimated fair value at specified levels
at December 31, 2017 would be as follows:

(In thousands)
Change in interest rates:

300 basis point rise

200 basis point rise

100 basis point rise

Base scenario

100 basis point decline

200 basis point decline

300 basis point decline

Estimated Fair
Value

Change in Fair
Value

$

13,215,440

$

(1,384,054)

13,677,051

14,138,717

14,599,494

15,059,429

15,505,364

15,903,135

(922,443)

(460,777)

—

459,935

905,870

1,303,641

Arbitrage investing differs from other types of investments in that its focus is on transactions and events believed likely to bring about a change in value

over a relatively short time period (usually four months or less). The Company believes that this makes arbitrage investments less vulnerable to changes in general
stock market conditions. Potential changes in market conditions are also mitigated by the implementation of hedging strategies, including short sales.

Additionally, the arbitrage positions are generally hedged against market declines by purchasing put options, selling call options or entering into swap
contracts. The Company's merger arbitrage securities are primarily exposed to the risk of completion of announced deals, which are subject to regulatory as well as
transactional and other risks.

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Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors
W. R. Berkley Corporation:

Opinion on the Consolidated Financial Statements

We have audited the accompanying consolidated balance sheets of W. R. Berkley Corporation and Subsidiaries (the “Company”) as of December 31, 2017 and
2016, the related consolidated statements of income, comprehensive income, stockholders’ equity, and cash flows for each of the years in the three‑year period
ended December 31, 2017, and the related notes and financial statement schedules II to VI (collectively, the “consolidated financial statements”). In our opinion,
the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2017 and 2016, and the
results of its operations and its cash flows for each of the years in the three‑year period ended December 31, 2017, in conformity with U.S. generally accepted
accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the Company’s internal
control over financial reporting as of December 31, 2017, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee
of Sponsoring Organizations of the Treadway Commission, and our report dated February 23, 2018 expressed an unqualified opinion on the effectiveness of the
Company’s internal control over financial reporting.

Basis for Opinion

These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated
financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the
Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable
assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing
procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that
respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial
statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall
presentation of the consolidated financial statements. We believe that our audits provide a reasonable basis for our opinion.

We have served as the Company’s auditor since 1972.

New York, New York
February 23, 2018

/ S / KPMG LLP

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CONSOLIDATED STATEMENTS OF INCOME

(In thousands, except per share data)

REVENUES:

Net premiums written

Change in net unearned premiums

Net premiums earned

Net investment income

Net investment gains:

Net realized gains on investment sales

Other-than-temporary impairments

Net investment gains

Revenues from non-insurance businesses

Insurance service fees

Other income

Total revenues

OPERATING COSTS AND EXPENSES:

Losses and loss expenses

Other operating costs and expenses

Expenses from non-insurance businesses

Interest expense

Total operating costs and expenses

Income before income taxes

Income tax expense

Net income before noncontrolling interests

Noncontrolling interests

Net income to common stockholders

NET INCOME PER SHARE:

Basic

Diluted

Year Ended December 31,

2017

2016

2015

$

6,260,508

$

6,423,913

$

50,911

6,311,419

575,788

335,858

—

335,858

326,165

134,729

805

(130,565)

6,293,348

564,163

285,119

(18,114)

267,005

390,348

138,944

376

6,189,515

(148,906)

6,040,609

512,645

125,633

(33,309)

92,324

421,102

139,440

337

7,684,764

7,654,184

7,206,457

4,002,348

2,436,932

325,417

147,297

6,911,994

772,770

(219,433)

553,337

(4,243)

549,094

4.40

4.26

$

$

$

3,845,800

2,395,619

375,431

140,896

6,757,746

896,438

(292,953)

603,485

(1,569)

601,916

4.91

4.68

$

$

$

3,656,270

2,289,750

397,461

130,946

6,474,427

732,030

(227,923)

504,107

(413)

503,694

4.06

3.87

$

$

$

See accompanying notes to consolidated financial statements.

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In thousands)

Net income before noncontrolling interests

Other comprehensive gain (loss):

 Change in unrealized translation adjustments

Change in unrealized investment (losses) gains, net of taxes

Other comprehensive gain (loss)

Comprehensive income

Comprehensive loss (income) to the noncontrolling interest

Year Ended December 31,

2017

2016

2015

$

553,337

$

603,485

$

504,107

64,706

(51,752)

12,954

566,291

4,262

(124,193)

246,518

122,325

725,810

1,510

(124,744)

(125,542)

(250,286)

253,821

(375)

253,446

Comprehensive income to common shareholders

$

570,553

$

727,320

$

See accompanying notes to consolidated financial statements.

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CONSOLIDATED BALANCE SHEETS

(In thousands, except share data)

Assets

Investments:

Fixed maturity securities

Investment funds

 Real estate

Arbitrage trading account

Loans receivable

Equity securities available for sale

Total investments

Cash and cash equivalents

Premiums and fees receivable

Due from reinsurers

Deferred policy acquisition costs

Prepaid reinsurance premiums

Trading account receivable from brokers and clearing organizations

Property, furniture and equipment

Goodwill

Accrued investment income

Current federal and foreign income taxes

Other assets

Total assets

Liabilities and Equity

Liabilities:

Reserves for losses and loss expenses

Unearned premiums

Due to reinsurers

Trading account securities sold but not yet purchased

Current federal and foreign income taxes

Deferred federal and foreign income taxes

Other liabilities

Senior notes and other debt

Subordinated debentures

       Total liabilities

Equity:

Preferred stock, par value $.10 per share:

Authorized 5,000,000 shares; issued and outstanding — none

Common stock, par value $.20 per share:

Authorized 500,000,000 shares, issued and outstanding, net of treasury shares, 121,514,852 and
121,193,599 shares, respectively

Additional paid-in capital

Retained earnings

Accumulated other comprehensive income

Treasury stock, at cost, 113,603,066 and 113,924,319 shares, respectively

Total common stockholders’ equity

Noncontrolling interests

Total equity

Total liabilities and equity

December 31,

2017

2016

$

13,551,250

$

1,155,677

1,469,601

617,649

79,684

576,647

17,450,508

950,471

1,773,844

1,783,200

507,549

472,009

189,280

422,960

178,945

136,597

—

434,554

13,190,668

1,198,146

1,184,981

299,999

106,798

669,200

16,649,792

795,285

1,701,854

1,743,980

537,890

413,140

484,593

349,432

144,513

127,047

14,768

402,550

$

$

24,299,917

$

23,364,844

11,670,408

$

3,290,180

246,460

64,358

11,327

86,764

981,987

1,769,052

728,218

18,848,754

11,197,195

3,283,300

213,128

51,179

—

134,365

916,318

1,760,595

727,630

18,283,710

—

—

47,024

1,048,283

6,956,882

68,541

(2,709,386)

5,411,344

39,819

5,451,163

47,024

1,037,446

6,595,987

55,568

(2,688,817)

5,047,208

33,926

5,081,134

23,364,844

See accompanying notes to consolidated financial statements.

$

24,299,917

$

57

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(In thousands)

COMMON STOCK:

Beginning and end of period

ADDITIONAL PAID IN CAPITAL:

Beginning of period

Restricted stock units issued

Restricted stock units expensed

End of period

RETAINED EARNINGS:

Beginning of period

Net income to common stockholders

Dividends

End of period

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS):

Unrealized investment gains (losses):

Beginning of period

Unrealized (losses) gains on securities not other-than-temporarily impaired

Unrealized gains (losses) on other-than-temporarily impaired securities

End of period

Currency translation adjustments:

Beginning of period

Net change in period

End of period

Total accumulated other comprehensive income (loss)

TREASURY STOCK:

Beginning of period

Stock exercised/vested

Stock issued

Stock repurchased

End of period

NONCONTROLLING INTERESTS:

Beginning of period

Contributions (distributions)

Net income

Other comprehensive income (loss), net of tax

End of period

$

$

$

$

$

$

$

$

$

$

$

Year Ended December 31,

2017

2016

2015

$

$

$

$

47,024

1,037,446

(27,959)

38,796

1,048,283

6,595,987

549,094

(188,199)

$

$

$

$

47,024

1,005,455

(3,594)

35,585

1,037,446

6,178,070

601,916

(183,999)

47,024

991,512

(16,748)

30,691

1,005,455

5,732,410

503,694

(58,034)

6,956,882

$

6,595,987

$

6,178,070

427,154

$

180,695

$

(52,628)

895

375,421

(371,586)

64,706

(306,880)

68,541

(2,688,817)

26,511

727

(47,807)

(2,709,386)

33,926

1,631

4,243

19

$

$

$

$

246,872

(413)

427,154

(247,393)

(124,193)

(371,586)

55,568

$

306,199

(125,391)

(113)

180,695

(122,649)

(124,744)

(247,393)

(66,698)

(2,563,605)

$

(2,364,551)

6,495

685

(132,392)

23,975

623

(223,652)

(2,688,817)

$

(2,563,605)

32,962

$

(546)

1,569

(59)

34,189

(1,602)

413

(38)

39,819

$

33,926

$

32,962

See accompanying notes to consolidated financial statements.

58

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CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

CASH FROM OPERATING ACTIVITIES:

Net income to common stockholders

Adjustments to reconcile net income to net cash from operating activities:

Year Ended December 31,

2017

2016

2015

$

549,094

$

601,916

$

503,694

Net investment gains

Depreciation and amortization

Noncontrolling interests

Investment funds

Stock incentive plans

Change in:

Arbitrage trading account

Premiums and fees receivable

Reinsurance accounts

Deferred policy acquisition costs

Current income taxes

Deferred income taxes

Reserves for losses and loss expenses

Unearned premiums

Other

Net cash from operating activities

CASH FLOWS USED IN INVESTING ACTIVITIES:

Proceeds from sale of fixed maturity securities

Proceeds from sale of equity securities

Distributions from investment funds

Proceeds from maturities and prepayments of fixed maturity securities

Purchase of fixed maturity securities

Purchase of equity securities

Real estate purchased

Change in loans receivable

Net additions to property, furniture and equipment

Change in balances due from security brokers

Cash received in connection with business disposition

Payment for business purchased, net of cash acquired

Net cash used in investing activities

CASH FLOWS USED IN FINANCING ACTIVITIES:

Net proceeds from issuance of debt

Repayment of senior notes and other debt

Cash dividends to common stockholders

Purchase of common treasury shares

Other, net

Net cash used in financing activities

Net impact on cash due to change in foreign exchange rates

Net increase in cash and cash equivalents

Cash and cash equivalents at beginning of year

Cash and cash equivalents at end of year

(335,858)

112,956

4,243

(69,333)

40,490

(4,896)

(67,752)

(66,542)

30,343

25,859

(16,893)

438,530

4,160

66,482

710,883

4,035,162

195,270

247,404

3,556,744

(7,940,957)

(27,522)

(236,039)

27,135

(115,719)

(4,372)

—

(70,570)

(333,464)

6,983

(20)

(188,199)

(47,807)

(6,043)

(235,086)

12,853

155,186

795,285

(267,005)

86,051

1,569

(99,301)

37,174

(10,633)

(60,403)

(235,455)

(25,912)

42,632

9,012

572,196

149,683

46,852

848,376

2,440,310

143,042

142,601

2,189,365

(5,541,202)

(202,736)

(299,123)

166,327

(50,829)

20,992

250,216

(53,451)

(794,488)

388,769

(75,487)

(183,999)

(132,392)

(3,823)

(6,932)

(15,302)

31,654

763,631

$

950,471

$

795,285

$

(92,324)

85,139

413

(62,228)

32,123

(7,173)

(60,942)

(31,930)

(29,860)

20,428

47,260

397,685

142,699

(63,680)

881,304

1,388,680

15,833

177,424

2,999,339

(4,455,223)

(29,526)

(222,659)

48,909

(63,562)

(22,666)

—

(7,312)

(170,763)

9,056

(281,086)

(58,034)

(223,652)

(1,602)

(555,318)

(66,033)

89,190

674,441

763,631

See accompanying notes to consolidated financial statements .

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

For the years ended December 31, 2017 , 2016 and 2015

(1) Summary of Significant Accounting Policies

(A) Principles of consolidation and basis of presentation

The consolidated financial statements, which include the accounts of W. R. Berkley Corporation and its subsidiaries (the "Company"), have been prepared

on the basis of U.S. generally accepted accounting principles ("GAAP"). All significant intercompany transactions and balances have been eliminated.
Reclassifications have been made in the 2016 and 2015 financial statements to conform to the presentation of the 2017 financial statements. The preparation of
financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities
and disclosures of contingent assets and liabilities at the date of the financial statements and the revenues and expenses reflected during the reporting period. The
most significant items on our balance sheet that involve a greater degree of accounting estimates that are subject to change in the future are the valuation of
investments, other-than-temporary impairments, loss and loss expense reserves and premium estimates. Actual results could differ from those estimates.

(B) Revenue recognition

Insurance premiums are recognized as written at the inception of the policy. Reinsurance premiums are estimated based upon information received from

ceding companies, and subsequent differences from such estimates are recorded in the period they are determined. Insurance and reinsurance premiums are
primarily earned on a pro rata basis over the policy term. Fees for services are earned over the period that the services are provided.

Audit premiums are recognized when they are reliably determinable. The change in accruals for earned but unbilled audit premiums increased net premiums

written and premiums earned by $8 million , $8 million and $3 million in 2017 , 2016 and 2015 , respectively.

Revenues from non-insurance businesses are derived from a business engaged in the distribution of promotional merchandise, world-wide textile solutions,

and aircraft services provided to the general, commercial and military aviation markets. These aircraft services include (i) the distribution, manufacturing, repair
and overhaul of aircraft parts and components, (ii) the sale of new and used aircraft, and (iii) avionics, fuel, maintenance, storage and charter services. Revenue is
recognized upon the shipment of products and parts, the delivery of aircraft, the delivery of fuel, and upon completion of services.

Insurance service fee revenue represents servicing fees for program administration and claims management services provided by the Company, including
workers' compensation assigned risk plans, as well as insurance brokerage and risk management services. Fees for program administration, claims management
and risk management services are primarily recognized ratably over the related contract period for which the underlying services are rendered. Commissions for
insurance brokerage are generally recognized when the underlying insurance policy is effective.

(C) Cash and cash equivalents

Cash equivalents consist of funds invested in money market accounts and investments with an effective maturity of three months or less when purchased.

(D) Investments

Fixed maturity securities classified as available for sale are carried at estimated fair value, with unrealized gains and losses, net of applicable income taxes,

excluded from earnings and reported as a component of comprehensive income and a separate component of stockholders' equity. Fixed maturity securities that the
Company has the positive intent and ability to hold to maturity are classified as held to maturity and reported at amortized cost. Investment income from fixed
maturity securities is recognized based on the constant effective yield method. Premiums and discounts on mortgage-backed securities are adjusted for the effects
of actual and anticipated prepayments on a retrospective basis.

Equity securities classified as available for sale are carried at estimated fair value, with unrealized gains and losses, net of applicable income taxes, excluded

from earnings and reported as a component of comprehensive income and a separate component of stockholders' equity.

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reported at estimated fair value. Realized and unrealized gains and losses from trading activity are reported as net investment income and are recorded at the trade
date. Short sales and short call options are presented as trading securities sold but not yet purchased. Unsettled trades and the net margin balances held by the
clearing broker are presented as a trading account receivable from brokers and clearing organizations.

Investment funds are carried under the equity method of accounting. The Company's share of the earnings or losses of investment funds is primarily

reported on a one-quarter lag in order to facilitate the timely completion of the Company's consolidated financial statements.

Loans receivable primarily represent commercial real estate mortgage loans and bank loans and are carried at amortized cost. The Company monitors the
performance of its loans receivable and establishes an allowance for loan losses for loans where the Company determines it is probable that the contractual terms
will not be met, with a corresponding charge to earnings. For loans that are evaluated individually and deemed to be impaired, the Company establishes a specific
allowance based on a discounted cash flow analysis and comparable cost and sales methodologies, if appropriate. Individual loans that are not considered impaired
and smaller-balance homogeneous loans are evaluated collectively and a general allowance is established if it is considered probable that a loss has been incurred.

The accrual of interest on loans receivable is discontinued if the loan is 90 days past due based on the contractual terms of the loan unless the loan is

adequately secured and in process of collection. In general, loans are placed on non-accrual status or charged off at an earlier date if collection of principal or
interest is considered doubtful. Interest on these loans is accounted for on a cash basis until qualifying for return to accrual status. Loans are returned to accrual
status when all principal and interest amounts contractually due are brought current and future payments are reasonably assured.

Fair value is defined as “the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at

the measurement date.” Fair value of investments is determined based on a fair value hierarchy that prioritizes the use of observable inputs over the use of
unobservable inputs and requires the use of observable inputs when available. (See Note 13 of the Notes to Consolidated Financial Statements.)

Realized gains or losses represent the difference between the cost of securities sold and the proceeds realized upon sale and are recorded at the trade date.

The Company uses primarily the first-in, first-out method to determine the cost of securities sold.

The cost of securities is adjusted where appropriate to include a provision for a decline in value which is considered to be other than temporary. An other-
than-temporary decline is considered to occur in investments where there has been a sustained reduction in fair value and where the Company does not expect to
recover the cost basis of the investment prior to the time of sale or maturity. Since equity securities do not have a contractual cash flow or a maturity, the Company
considers whether the price of an equity security is expected to recover within a reasonable period of time.

For fixed maturity securities that the Company intends to sell or, more likely than not, would be required to sell, a decline in value below amortized cost is

considered to be an other-than-temporary impairment (“OTTI”). The amount of OTTI is equal to the difference between amortized cost and fair value at the
balance sheet date. For fixed maturity securities that the Company does not intend to sell or believes that it is more likely than not it would not be required to sell, a
decline in value below amortized cost is considered to be an OTTI if the Company does not expect to recover the entire amortized cost basis of a security (i.e., the
present value of cash flows expected to be collected is less than the amortized cost basis of the security). The portion of the decline in value considered to be a
credit loss (i.e., the difference between the present value of cash flows expected to be collected and the amortized cost basis of the security) is recognized in
earnings. The portion of the decline in value not considered to be a credit loss (i.e., the difference in the present value of cash flows expected to be collected and
the fair value of the security) is recognized in other comprehensive income.

Impairment assessments for structured securities, including mortgage-backed securities and asset-backed securities, collateralized debt obligations and
corporate debt, are generally evaluated based on the performance of the underlying collateral under various economic and default scenarios that may involve
subjective judgments and estimates by management. Modeling these securities involves various factors, such as projected default rates, the nature and realizable
value of the collateral, if any, the ability of the issuer to make scheduled payments, historical performance and other relevant economic and performance factors. If
an OTTI determination is made, a discounted cash flow analysis is used to ascertain the amount of the credit impairment.

Real estate held for investment purposes is initially recorded at the purchase price, which is generally fair value, and is subsequently reported at cost less

accumulated depreciation. Real estate taxes, interest and other costs incurred during development and construction are capitalized. Buildings are depreciated on a
straight-line basis over the estimated useful lives

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investment income. The carrying value of real estate is reviewed for impairment and an impairment loss is recognized if the estimated undiscounted cash flows
from the use and disposition of the property are less than the carrying value of the property.

(E) Per share data

The Company presents both basic and diluted net income per share (“EPS”) amounts. Basic EPS is calculated by dividing net income by weighted average

number of common shares outstanding during the year (including 4,847,303 common shares held in a grantor trust established in March 2017). The common shares
held in the grantor trust are for delivery upon settlement of vested but mandatorily deferred restricted stock units ("RSUs"). Shares held by the grantor trust do not
affect diluted shares outstanding since the shares deliverable under vested RSUs were already included in diluted shares outstanding. Diluted EPS is based upon the
weighted average number of basic and common equivalent shares outstanding during the year and is calculated using the treasury stock method for stock incentive
plans. Common equivalent shares are excluded from the computation in periods in which they have an anti-dilutive effect.

(F) Deferred policy acquisition costs

Acquisition costs associated with the successful acquisition of new and renewed insurance and reinsurance contracts are deferred and amortized ratably over

the terms of the related contracts. Ceding commissions received on reinsurance contracts are netted against acquisition costs and are recognized ratably over the
life of the contract. Deferred policy acquisition costs are presented net of unearned ceding commissions. Deferred policy acquisition costs are comprised primarily
of commissions, as well as employment-related underwriting costs and premium taxes. Deferred policy acquisition costs are reviewed to determine if they are
recoverable from future income and, if not, are charged to expense. The recoverability of deferred policy acquisition costs is evaluated separately by each of our
operating companies for each of their major lines of business. Future investment income is taken into account in measuring the recoverability of deferred policy
acquisition costs.

(G) Reserves for losses and loss expenses

Reserves for losses and loss expenses are an accumulation of amounts determined on the basis of (1) evaluation of claims for business written directly by

the Company; (2) estimates received from other companies for reinsurance assumed by the Company; and (3) estimates for losses incurred but not reported (based
on Company and industry experience). These estimates are periodically reviewed and, as experience develops and new information becomes known, the reserves
are adjusted as necessary. Such adjustments are reflected in the statements of income in the period in which they are determined. The Company discounts its
reserves for excess and assumed workers' compensation claims using a risk-free or statutory rate. (See Note 14 of Notes to Consolidated Financial Statements.)

(H) Reinsurance ceded

The unearned portion of premiums ceded to reinsurers is reported as prepaid reinsurance premiums and earned ratably over the policy term. The estimated

amounts of reinsurance recoverable on unpaid losses are reported as due from reinsurers. To the extent any reinsurer does not meet its obligations under
reinsurance agreements, the Company must discharge its liability. Amounts due from reinsurers are reflected net of funds held where the right of offset is present.
The Company has provided reserves for estimated uncollectible reinsurance.

(I) Deposit accounting

Contracts that do not meet the risk transfer requirements of GAAP are accounted for using the deposit accounting method. Under this method, an asset or

liability is recognized at the inception of the contract based on consideration paid or received. The amount of the deposit asset or liability is adjusted at subsequent
reporting dates using the interest method with a corresponding credit or charge to interest income or expense. Deposit liabilities for assumed reinsurance contracts
were $47 million and $51 million at December 31, 2017 and 2016 , respectively.

(J) Federal and foreign income taxes

The Company files a consolidated income tax return in the U.S. and foreign tax returns in countries where it has overseas operations. The Company's
method of accounting for income taxes is the asset and liability method. Under this method, deferred tax assets and liabilities are measured using tax rates currently
in effect or expected to apply in the years in which those temporary differences are expected to reverse. Interest and penalties, if any, are reported as income tax
expense.

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likely than not that all or a portion of the deferred tax assets will not be realized.

(K) Foreign currency

Gains and losses resulting from foreign currency transactions (transactions denominated in a currency other than the entity's functional currency) are

reported on the statements of income as other operating costs and expenses. Unrealized gains or losses resulting from translating the results of non-U.S. dollar
denominated operations are reported in accumulated other comprehensive income. Revenues and expenses denominated in currencies other than U.S. dollars are
translated at the weighted average exchange rate during the year. Assets and liabilities are translated at the rate of exchange in effect at the balance sheet date.

(L) Property, furniture and equipment

Property, furniture and equipment are carried at cost less accumulated depreciation. Depreciation is calculated using the estimated useful lives of the

respective assets. Depreciation expense was $50 million , $47 million and $45 million for 2017 , 2016 and 2015 , respectively.

(M) Comprehensive income

Comprehensive income encompasses all changes in stockholders' equity (except those arising from transactions with stockholders) and includes net income,

net unrealized holding gains or losses on available for sale securities and unrealized foreign currency translation adjustments.

(N) Goodwill and other intangible assets

Goodwill and other intangible assets are tested for impairment on an annual basis and at interim periods where circumstances require. The Company's
impairment test as of December 31, 2017 indicated that there were no material impairment losses related to goodwill and other intangible assets. Intangible assets
of $107 million and $82 million are included in other assets as of December 31, 2017 and 2016 , respectively.

(O) Restricted stock units

The costs resulting from all share-based payment transactions with employees are recognized in the consolidated financial statements using a fair-value-

based measurement method. Compensation cost is recognized for financial reporting purposes over the period in which the employee is required to provide service
in exchange for the award (generally the vesting period).

(P) Statements of cash flows

Interest payments were $145 million , $137 million and $130 million in 2017 , 2016 and 2015 , respectively. Income taxes paid were $207 million , $232
million and $165 million in 2017 , 2016 and 2015 , respectively. Other non-cash items include unrealized investment gains and losses. (See Note 11 of Notes to
Consolidated Financial Statements.)

(Q) Recent accounting pronouncements
Recently adopted accounting pronouncements:

In May 2015, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2015-09, Disclosures about Short-
Duration Contracts. ASU 2015-09 requires companies that issue short duration insurance contracts to disclose additional information, including: (i) incurred and
paid claims development tables; (ii) frequency and severity of claims; and (iii) information about material changes in judgments made in calculating the liability
for unpaid claim adjustment expenses, including reasons for the change and the effects on the financial statements. The Company adopted this updated guidance on
January 1, 2016 with regard to the annual requirements and on January 1, 2017 with regard to the interim requirements. The amendments in ASU 2015-09 are
applied retrospectively by providing comparative disclosures for each period presented, except for those requirements that apply only to the current period. As the
requirements are disclosure only, the adoption of this guidance did not impact our financial condition or results of operations, but did result in additional
disclosures.

In March 2016, the FASB issued ASU 2016-09, Improvements to Employee Share-Based Payment Accounting. ASU 2016-09 includes provisions intended
to simplify various previous provisions related to how share-based payments are accounted for and presented in the financial statements. Under the new guidance,
excess tax benefits (deductions for share

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000based payment awards for tax purposes that exceed the compensation cost recognized for financial reporting purposes) are reported within the income tax expense
financial statement line item. Previously, excess tax benefits were reported within additional paid in capital. The Company adopted this updated guidance on
January 1, 2017 prospectively. The adoption of this guidance did not have a material impact on the Company's financial condition or results of operations.

All other accounting and reporting standards that became effective in 2017 were either not applicable to the Company or their adoption did not have a

material impact on the Company.

Accounting and reporting standards that are not yet effective:

In May 2014, the FASB issued ASU 2014-09, Revenue from Customers. ASU 2014-09 clarifies the principles for recognizing revenue. While insurance
contracts are not within the scope of this updated guidance, the Company’s insurance service fee revenue and non-insurance business revenue will be subject to
this updated guidance. The updated guidance requires an entity to recognize revenue as performance obligations are met, in order to reflect the transfer of promised
goods or services to customers in an amount that reflects the consideration the entity is entitled to receive for those goods or services. The updated guidance, as
amended by ASU 2015-14, is effective for public business entities for annual and interim reporting periods beginning after December 15, 2017. The Company
determined that the adoption of this guidance on January 1, 2018 will not have a material effect on the Company’s financial condition or results of operations.

In January 2016, the FASB issued ASU 2016-01, Financial Instruments.  ASU 2016-01 amends the accounting guidance for financial instruments to require

all equity investments to be measured at fair value with changes in the fair value recognized through net income (other than those accounted for under equity
method of accounting or those that result in consolidation of the investee). The updated guidance is effective for public business entities for annual reporting
periods beginning after December 15, 2017 and interim periods within those years.  The adoption of this guidance is not expected to have a material effect on the
Company’s financial condition upon adoption, but will impact results of operations after adoption of this guidance as unrealized gains and losses on equity
securities will no longer be reported directly in accumulated other comprehensive income (AOCI), but will instead be reported in net income.

In February 2016, the FASB issued ASU 2016-02, Leases, which amends the accounting and disclosure guidance for leases.  This guidance retains the two
classifications of a lease, as either an operating or finance lease, both of which will require lessees to recognize a right-of-use asset and a lease liability for leases
with terms of more than 12 months. The right-of-use asset and the lease liability will be determined based upon the present value of cash flows. Finance leases will
reflect the financial arrangement by recognizing interest expense on the lease liability separately from the amortization expense of the right-of-use asset. Operating
leases will recognize lease expense (with no separate recognition of interest expense) on a straight-line basis over the term of the lease. The accounting by lessors
is not significantly changed by the updated guidance. The updated guidance is effective for reporting periods beginning after December 15, 2018, and will require
that the earliest comparative period presented include the measurement and recognition of existing leases with an adjustment to equity as if the updated guidance
had always been applied. The Company is currently evaluating the impact that the adoption of this guidance will have on its results of operations, financial position
and liquidity.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses, which amends the accounting guidance for credit losses on financial

instruments. The updated guidance amends the current other-than-temporary impairment model for available-for-sale debt securities by requiring the recognition of
impairments relating to credit losses through an allowance account and limits the amount of credit loss to the difference between a security’s amortized cost basis
and its fair value. This guidance also applies a new current expected credit loss model for determining credit-related impairments for financial instruments
measured at amortized cost.  The updated guidance is effective for reporting periods beginning after December 15, 2019. The Company will not be able to
determine the impact the adoption of this guidance will have on its results of operations, financial position or liquidity until the year the guidance becomes
effective.

In February 2018, the FASB issued ASU 2018-02, Reporting Comprehensive Income, which amends previous guidance to allow a reclassification from

accumulated other comprehensive income (“AOCI”) to retained earnings for stranded tax effects resulting from the Tax Cuts and Jobs Act of 2017 (the “Tax
Act”).  The amount of the reclassification would include the effect of the change in the U.S. federal corporate income tax rate on the gross deferred tax amounts
and related valuation allowances, if any, at the date of the enactment of the Tax Act related to items in AOCI. The updated guidance is effective for reporting
periods beginning after December 15, 2018, and is eligible for early adoption.  The Company expects to adopt the updated guidance in 2018, which should not
impact its results of operations or financial position.

All other recently issued but not yet effective accounting and reporting standards are either not applicable to the Company or are not expected to have a

material impact on the Company.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000(2)    Acquisitions / Dispositions

In March 2017, the Company acquired an 89.5% ownership interest for $ 73.3 million in a company engaged in providing textile solutions world-wide. The

fair value of the assets acquired and liabilities assumed have been estimated based on a third party valuation.

The following table summarizes the estimated fair value of net assets acquired and liabilities assumed for the business combination completed in 2017:

(In thousands)

Cash and cash equivalents

Real estate, furniture and equipment

Goodwill

Intangible Assets

Other assets

Total assets acquired

Other liabilities assumed

Non controlling interest

Net assets acquired

2017

2,721

7,042

28,522

32,395

9,862

80,542

(2,251)

(5,000)

73,291

$

$

In February 2016, the Company acquired an 85% ownership interest for $42.3 million in a company engaged in the distribution of promotional

merchandise.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000(3)    Consolidated Statement of Comprehensive Income (Loss)

The following tables present the components of the changes in accumulated other comprehensive income (loss) (AOCI) as of and for the years ended

December 31, 2017 and 2016 :

(In thousands)

December 31, 2017

Changes in AOCI

Beginning of period

Other comprehensive income before reclassifications

Amounts reclassified from AOCI

Other comprehensive income (loss)

Unrealized investment gain related to non-controlling interest

Ending balance

Amounts reclassified from AOCI

Pre-tax

Tax effect

After-tax amounts reclassified

Other comprehensive income (loss)

Pre-tax

Tax effect

Other comprehensive income (loss)

(In thousands)

December 31, 2016

Changes in AOCI

Beginning of period

Other comprehensive income (loss) before reclassifications

Amounts reclassified from AOCI

Other comprehensive income (loss)

Unrealized investment gain related to non-controlling interest

Ending balance

Amounts reclassified from AOCI

Pre-tax

Tax effect

After-tax amounts reclassified

Other comprehensive income (loss)

Pre-tax

Tax effect

$

$

$

$

$

Other comprehensive income (loss)
_______________
(1) Net investment gains in the consolidated statements of income.
(2) Income tax expense in the consolidated statements of income.

$

Unrealized investment
gains (losses)

Currency translation
adjustments

Accumulated other
comprehensive income
(loss)

$

$

$

$

$

$

427,154

63,567

(115,319)

(51,752)

19

$

(371,586)

$

64,706

—

64,706

—

375,421

$

(306,880)

$

(177,414)

(1) $

62,095

(2)

(115,319)

(69,425)

17,673

(51,752)

$

$

$

— $

— $

64,706

—

64,706

$

$

55,568

128,273

(115,319)

12,954

19

68,541

(177,414)

62,095

(115,319)

(4,719)

17,673

12,954

Unrealized investment
gains (losses)

Currency translation
adjustments

Accumulated other
comprehensive income
(loss)

(247,393)

$

(124,193)

—

(124,193)

—

(371,586)

$

— $

—

— $

(124,193)

—

(124,193)

$

$

(66,698)

162,541

(40,216)

122,325

(59)

55,568

(61,871)

21,655

(40,216)

255,065

(132,740)

122,325

180,695

286,734

(40,216)

246,518

(59)

427,154

(61,871) (1)

21,655 (2)

(40,216)

379,258

(132,740)

246,518

$

$

$

$

$

$

66

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000  
(4)    Investments in Fixed Maturity Securities

At December 31, 2017 and 2016 , investments in fixed maturity securities were as follows:

(In thousands)

December 31, 2017

Held to maturity:

State and municipal

Residential mortgage-backed

Total held to maturity

Available for sale:

Amortized
Cost

Gross Unrealized

Gains

Losses

Fair
Value

Carrying
Value

$

65,882

$

14,499

$

— $

80,381

$

13,450

79,332

1,227

15,726

—

—

14,677

95,058

65,882

13,450

79,332

U.S. government and government agency

372,748

8,824

(3,832)

377,740

377,740

State and municipal:

              Special revenue

                 State general obligation

                 Pre-refunded

              Corporate backed

                 Local general obligation

       Total state and municipal

Mortgage-backed securities:

Residential (1)

Commercial

Total mortgage-backed securities

Asset-backed securities

Corporate:

           Industrial

            Financial

                 Utilities

             Other

Total corporate

Foreign government

Total available for sale

2,663,245

439,358

436,241

375,268

417,955

53,512

16,087

22,701

10,059

23,242

(10,027)

2,706,730

2,706,730

(711)

(9)

(860)

(967)

454,734

458,933

384,467

440,230

454,734

458,933

384,467

440,230

4,332,067

125,601

(12,574)

4,445,094

4,445,094

1,043,629

261,652

1,305,281

2,111,132

2,574,400

1,402,161

284,886

40,560

4,302,007

819,345

13,242,580

9,304

1,521

10,825

11,024

52,210

37,744

11,316

5

101,275

32,018

289,567

(13,547)

(2,628)

(16,175)

(10,612)

(7,718)

(5,138)

(1,248)

(66)

(14,170)

(2,866)

(60,229)

1,039,386

260,545

1,299,931

2,111,544

2,618,892

1,434,767

294,954

40,499

4,389,112

848,497

1,039,386

260,545

1,299,931

2,111,544

2,618,892

1,434,767

294,954

40,499

4,389,112

848,497

13,471,918

13,471,918

Total investments in fixed maturity securities

$

13,321,912

$

305,293

$

(60,229)

$

13,566,976

$

13,551,250

67

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000U.S. government and government agency

496,187

(In thousands)

December 31, 2016

Held to maturity:

State and municipal

Residential mortgage-backed

Total held to maturity

Available for sale:

State and municipal:

              Special revenue

                 State general obligation

                 Pre-refunded

              Corporate backed

                 Local general obligation

       Total state and municipal

Mortgage-backed securities:

Residential (1)

Commercial

Total mortgage-backed securities

Asset-backed securities

Corporate:

           Industrial

            Financial

                 Utilities

             Other

Total corporate

Foreign government

Total available for sale

Amortized
Cost

Gross Unrealized

Gains

Losses

Fair
Value

Carrying
Value

$

72,582

15,944

88,526

$

12,453

$

— $

85,035

$

—

—

17,637

102,672

72,582

15,944

88,526

1,693

14,146

20,208

58,559

16,964

19,181

6,172

15,682

2,791,211

524,682

356,535

410,933

360,022

(2,593)

513,802

513,802

(26,315)

2,823,455

2,823,455

(5,139)

(165)

(6,452)

(2,367)

536,507

375,551

410,653

373,337

536,507

375,551

410,653

373,337

4,443,383

116,558

(40,438)

4,519,503

4,519,503

1,034,301

155,540

1,189,841

1,913,830

2,315,567

1,369,001

229,154

54,073

3,967,795

858,773

12,869,809

15,431

304

15,735

5,971

71,007

39,543

10,801

299

121,650

46,794

326,916

(12,950)

(2,981)

(15,931)

(11,941)

(7,174)

(11,270)

(2,411)

(63)

(20,918)

(2,762)

(94,583)

1,036,782

152,863

1,189,645

1,907,860

2,379,400

1,397,274

237,544

54,309

4,068,527

902,805

1,036,782

152,863

1,189,645

1,907,860

2,379,400

1,397,274

237,544

54,309

4,068,527

902,805

13,102,142

13,102,142

Total investments in fixed maturity securities

$

12,958,335

$

341,062

$

(94,583)

$

13,204,814

$

13,190,668

____________________
(1) Gross unrealized gain (losses) for mortgage-backed securities include $76,467 and ($818,691) as of December 31, 2017 and 2016 , respectively, related to the
non-credit portion of OTTI recognized in other comprehensive income.

The amortized cost and fair value of fixed maturity securities at December 31, 2017 , by contractual maturity, are shown below. Actual maturities may differ

from contractual maturities because certain issuers may have the right to call or prepay obligations.

(In thousands)

Due in one year or less

Due after one year through five years

Due after five years through ten years

Due after ten years

Mortgage-backed securities

Total

Amortized
Cost

Fair Value

$

673,946

$

4,961,661

3,247,109

3,120,465

1,318,731

679,822

5,051,288

3,360,452

3,160,806

1,314,608

$

13,321,912

$

13,566,976

At December 31, 2017 and 2016 , there were no investments, other than investments in United States government and government agency securities, which
exceeded 10% of common stockholders’ equity. At December 31, 2017 , investments with a carrying value of $1,353 million were on deposit in custodial or trust
accounts, of which $995 million was on deposit with state insurance departments, $308 million was on deposit in support of the Company’s underwriting activities
at Lloyd’s, $46 million was on deposit as security for reinsurance clients and $4 million was on deposit as security for letters of credit issued in support of the
Company’s reinsurance operations.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000(5)    Investments in Equity Securities Available for Sale

At December 31, 2017 and 2016 , investments in equity securities available for sale were as follows:

(In thousands)

December 31, 2017

Common stocks

Preferred stocks

Total

December 31, 2016

Common stocks

Preferred stocks

Total

(6)    Arbitrage Trading Account

Cost

81,855

124,150

206,005

94,998

125,589

220,587

$

$

$

$

$

$

$

$

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Fair
Value

Carrying
Value

272,309

102,890

375,199

351,906

101,392

453,298

$

$

$

$

(1,960)

(2,597)

(4,557)

(1,046)

(3,639)

(4,685)

$

$

$

$

352,204

224,443

576,647

445,858

223,342

669,200

$

$

$

$

352,204

224,443

576,647

445,858

223,342

669,200

At December 31, 2017 and 2016 , the fair value and carrying value of the arbitrage trading account were $618 million and $300 million , respectively. The
primary focus of the trading account is merger arbitrage. Merger arbitrage is the business of investing in the securities of publicly held companies which are the
targets in announced tender offers and mergers. Arbitrage investing differs from other types of investing in its focus on transactions and events believed likely to
bring about a change in value over a relatively short time period (usually four months or less).

The Company uses put options, call options and swap contracts in order to mitigate the impact of potential changes in market conditions on the merger
arbitrage trading account. These options and contracts are reported at fair value. As of December 31, 2017 , the fair value of long option contracts outstanding was
$1 million (notional amount of $136 million ) and the fair value of short option contracts outstanding was $8 million (notional amount of $135 million ). Other than
with respect to the use of these trading account securities, the Company does not make use of derivatives.

(7)   Net Investment Income

Net investment income consists of the following:

(In thousands)

Investment income earned on:

2017

2016

2015

Fixed maturity securities, including cash and cash equivalents and loans receivable

$

473,101

$

444,247

$

428,325

Investment funds

Arbitrage trading account

Real estate

Equity securities available for sale

Gross investment income

Investment expense

Net investment income

68,169

19,145

19,975

2,350

582,740

(6,952)

99,301

18,693

7,054

4,028

573,323

(9,160)

62,228

16,891

11,294

4,624

523,362

(10,717)

$

575,788

$

564,163

$

512,645

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000(8)   Investment Funds

The Company evaluates whether it is an investor in a variable interest entity (VIE). Such entities do not have sufficient equity at risk to finance their activities

without additional subordinated financial support, or the equity investors, as a group, do not have the characteristics of a controlling financial interest (primary
beneficiary).  The Company determines whether it is the primary beneficiary of an entity subject to consolidation based on a qualitative assessment of the VIE's
capital structure, contractual terms, nature of the VIE's operations and purpose, and the Company's relative exposure to the related risks of the VIE on the date it
becomes initially involved in the VIE and on an ongoing basis. The Company is not the primary beneficiary in any of its investment funds, and accordingly,
carries its interests in investments funds under the equity method of accounting.

The Company’s maximum exposure to loss with respect to these investments is limited to the carrying amount reported on the Company’s consolidated

balance sheet and its unfunded commitments of $406.2 million as of December 31, 2017 .

Investment funds consist of the following:

(In thousands)

Real estate

Energy

Hedged equity

Other funds

Total

Carrying Value
as of December 31,

Income (Losses)

2017

2016

2017

2016

2015

$

606,995

$

641,783

$

45,068

$

50,415

$

82,882

—

465,800

91,448

73,913

391,002

(15,764)

(1,164)

40,029

19,747

3,334

25,805

$

1,155,677

$

1,198,146

$

68,169

$

99,301

$

58,032

(37,373)

(2,762)

44,331

62,228

The Company's share of the earnings or losses of investment funds is primarily reported on a one-quarter lag in order to facilitate the timely completion of the

Company's consolidated financial statements.

(9)    Real Estate

Investment in real estate represents directly owned property held for investment, as follows:  

(In thousands)

Properties in operation

Properties under development

Total

As of December 31,

2017

451,691

1,017,910

1,469,601

$

$

2016

457,237

727,744

1,184,981

$

$

In 2017 , properties in operation included a long-term ground lease in Washington, D.C., a hotel in Memphis, Tennessee, an office complex in New York City

and office buildings in West Palm Beach and Palm Beach, Florida. Properties in operation are net of accumulated depreciation and amortization of $25,646,000
and $16,425,000 as of December 31, 2017 and 2016 , respectively. Related depreciation expense was $9,212,000 and $6,940,000 for the years ended December 31,
2017 and 2016 , respectively. Future minimum rental income expected on operating leases relating to properties in operation is $28,175,755 in 2018 , $33,653,067
in 2019 , $33,435,418 in 2020 , $33,878,321 in 2021 , $33,885,797 in 2022 and $517,372,272 thereafter.

Properties under development include an office building in London and a mixed-use project in Washington, D.C.

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000  
(10)    Loans Receivable

Loans receivable are as follows:

(In thousands)

Amortized cost (net of valuation allowance):

  Real estate loans

  Commercial loans

Total

Fair value:

  Real estate loans

  Commercial loans

Total

Valuation allowance:

Specific

  General

  Total

 Increase (decrease) in valuation allowance

As of December 31,

2017

2016

66,057

13,627

79,684

66,917

15,130

82,047

1,200

2,183

3,383

$

$

$

$

$

$

92,415

14,383

106,798

92,415

15,884

108,299

1,200

2,197

3,397

For the Year Ended December 31,

2017

2016

(14) $

1,303

$

$

$

$

$

$

$

Loans receivable in non-accrual status were $ 4.3 million and $ 5.4 million as of December 31, 2017 and 2016 , respectively.

The Company monitors the performance of its loans receivable and assesses the ability of the borrower to pay principal and interest based upon loan
structure, underlying property values, cash flow and related financial and operating performance of the property and market conditions. Loans receivable with a
potential for default are further assessed using discounted cash flow analysis and comparable cost and sales methodologies, if appropriate.

The real estate loans are secured by commercial real estate primarily located in Georgia and New York. These loans generally earn interest at floating
LIBOR-based interest rates and have maturities (inclusive of extension options) through August 2025. The commercial loans are with small business owners who
have secured the related financing with the assets of the business. Commercial loans generally earn interest on a fixed basis and have varying maturities not
exceeding 15 years.

In evaluating the real estate loans, the Company considers their credit quality indicators, including loan to value ratios, which compare the outstanding loan
amount to the estimated value of the property, the borrower’s financial condition and performance with respect to loan terms, the position in the capital structure,
the overall leverage in the capital structure and other market conditions. Based on these considerations, none of the real estate loans were considered to be impaired
at December 31, 2017 , and accordingly, the Company determined that a specific valuation allowance was not required.

71

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000(11)    Realized and Unrealized Investment Gains (Losses)

Realized and unrealized investment gains (losses) are as follows:

(In thousands)

Realized investment gains (losses):

Fixed maturity securities:

Gains

Losses

Equity securities available for sale

Investment funds (1)

Real estate

Other (2)

Net realized gains on investments sales

Other-than-temporary impairments (3)

Net investment gains

Income tax expense

  After-tax realized investment gains

Change in unrealized gains (losses) of available for sales securities:

Fixed maturity securities

Previously impaired fixed maturity securities

Equity securities available for sale

Investment funds

Total change in unrealized investment gains (losses)

Income tax benefit (expense)

Noncontrolling interests

2017

2016

2015

$

28,217

$

72,215

$

(5,342)

154,539

125,423

12,880

20,141

335,858

—

335,858

(117,550)

(6,434)

14,201

58,861

7,757

138,519

285,119

(18,114)

267,005

(93,452)

218,308

$

173,553

$

23,755

(4,065)

9,639

93,529

—

2,775

125,633

(33,309)

92,324

(32,313)

60,011

$

$

(2,192)

$

(107,094)

$

(144,445)

895

(77,971)

9,843

(69,425)

17,673

19

451

465,727

12,631

371,715

(125,315)

59

(174)

(27,809)

(19,758)

(192,186)

66,644

38

 After-tax change in unrealized investment gains (losses) of available for sale securities

$

(51,733)

$

246,459

$

(125,504)

____________________
(1) Investment funds includes a gain of $124.3 million from the sale of an investment in an office building located in Washington, D.C. for the year ended
December 31, 2017.

(2) Other includes a gain of $ 134.9 million from the sale of Aero Precision Industries and certain related aviation services business for the year ended December
31, 2016.

(3) There were no other than temporary impairments (OTTI) for the year ended December 31, 2017. For the year ended December 31, 2016, OTTI related to equity
securities was $18.1 million . For the year ended December 31, 2015, OTTI related to equity securities was $ 24.3 million and related to fixed maturity securities
was $ 9.0 million .

72

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000(12)    Securities in an Unrealized Loss Position

The following tables summarize all securities in an unrealized loss position at December 31, 2017 and 2016 by the length of time those securities have been

continuously in an unrealized loss position.

(In thousands)

December 31, 2017

Less Than 12 Months

12 Months or Greater

Total

Fair
Value

Gross
Unrealized
Losses

Fair
Value

Gross
Unrealized
Losses

Fair
Value

Gross
Unrealized
Losses

U.S. government and government agency

$

92,167

$

State and municipal

Mortgage-backed securities

Asset-backed securities

Corporate

Foreign government

Fixed maturity securities

Common stocks

Preferred stocks

Equity securities available for sale

Total

December 31, 2016

State and municipal

Mortgage-backed securities

Asset-backed securities

Corporate

Foreign government

Fixed maturity securities

Common stocks

Preferred stocks

  Equity securities available for sale

Total

735,972

480,435

1,127,309

1,103,747

244,139

3,783,769

9,244

—

9,244

1,491

5,944

5,110

8,298

8,224

2,615

31,682

1,211

—

1,211

$

72,055

$

345,755

373,956

167,412

170,858

25,824

1,155,860

9,387

23,077

32,464

2,341

6,630

11,065

2,314

5,946

251

28,547

749

2,597

3,346

$

164,222

$

1,081,727

854,391

1,294,721

1,274,605

269,963

4,939,629

18,631

23,077

41,708

3,832

12,574

16,175

10,612

14,170

2,866

60,229

1,960

2,597

4,557

$

3,793,013

$

32,893

$

1,188,324

$

31,893

$

4,981,337

$

64,786

1,562,614

625,903

1,010,836

1,035,245

213,246

4,560,553

336

—

336

35,553

11,103

5,340

13,448

1,985

68,681

22

—

22

133,034

109,066

201,693

65,147

24,820

569,210

8,755

22,034

30,789

1,341

4,885

4,828

6,601

7,470

777

25,902

1,024

3,639

4,663

$

148,159

$

1,695,648

734,969

1,212,529

1,100,392

238,066

5,129,763

9,091

22,034

31,125

2,593

40,438

15,931

11,941

20,918

2,762

94,583

1,046

3,639

4,685

$

4,560,889

$

68,703

$

599,999

$

30,565

$

5,160,888

$

99,268

U.S. government and government agency

$

112,709

$

1,252

$

35,450

$

Fixed Maturity Securities  — A summary of the Company’s non-investment grade fixed maturity securities that were in an unrealized loss position at

December 31, 2017 is presented in the table below:

($ in thousands)

Foreign government

Corporate

Mortgage-backed securities

State and municipal

Asset-backed securities

Total

Number of
Securities

Aggregate
Fair Value

11

$

96,741

$

7

6

1

3

54,590

5,368

3,662

441

Gross
Unrealized
Loss

1,197

2,725

138

1

116

28

$

160,802

$

4,177

For OTTI of fixed maturity securities that management does not intend to sell or, more likely than not, would not be required to sell, the portion of the
decline in value considered to be due to credit factors is recognized in earnings and the portion of the decline in value considered to be due to non-credit factors is
recognized in other comprehensive income.

73

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000For the years ended December 31, 2017 and 2016 , there were no OTTI recognized in earnings for fixed maturity securities.

The Company has evaluated its fixed maturity securities in an unrealized loss position and believes the unrealized losses are due primarily to temporary

market and sector-related factors rather than to issuer-specific factors. None of these securities are delinquent or in default on financial covenants. Based on its
assessment of these issuers, the Company expects them to continue to meet their contractual payment obligations as they become due and does not consider any of
these securities to be OTTI.

Preferred Stocks – At December 31, 2017 , there was one preferred stock in an unrealized loss position, with an aggregate fair value of $23.1 million and a

gross unrealized loss of $2.6 million . The preferred stock is rated investment grade. Management believes the unrealized loss is due primarily to market and sector
related factors and does not consider it to be OTTI. For the year ended December 31, 2017 and 2016 , there were no OTTI for preferred stocks.

Common Stocks – At December 31, 2017 , there were three common stocks in an unrealized loss position, with an aggregate fair value of $18.6 million and

a gross unrealized loss of $2.0 million . Based on management's view of these securities, the Company does not consider the common stocks to be OTTI. For the
year ended December 31, 2017 , there were no OTTI for common stocks. OTTI for common stocks for the year ended December 31, 2016 were $ 18.1 million .

(13)    Fair Value Measurements

The Company’s fixed maturity and equity securities classified as available for sale and its trading account securities are carried at fair value. Fair value is

defined as “the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement
date”. The Company utilizes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels, as follows:

Level 1 - Quoted prices (unadjusted) in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date.

Level 2 - Quoted prices for similar assets or valuations based on inputs that are observable.

Level 3 - Estimates of fair value based on internal pricing methodologies using unobservable inputs. Unobservable inputs are only used to measure fair value
to the extent that observable inputs are not available.

Substantially all of the Company’s fixed maturity securities were priced by independent pricing services. The prices provided by the independent pricing

services are estimated based on observable market data in active markets utilizing pricing models and processes, which may include benchmark yields, reported
trades, broker/dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers, sector groupings, matrix pricing and reference data. The pricing
services may prioritize inputs differently on any given day for any security based on market conditions, and not all inputs are available for each security evaluation
on any given day. The pricing services used by the Company have indicated that they will only produce an estimate of fair value if objectively verifiable
information is available. The determination of whether markets are active or inactive is based upon the volume and level of activity for a particular asset class. The
Company reviews the prices provided by pricing services for reasonableness and periodically performs independent price tests of a sample of securities to ensure
proper valuation.

If prices from independent pricing services are not available for fixed maturity securities, the Company estimates the fair value. For Level 2 securities, the
Company utilizes pricing models and processes which may include benchmark yields, sector groupings, matrix pricing, reported trades, broker/dealer quotes, issuer
spreads, two-sided markets, bids, offers and reference data. Where broker quotes are used, the Company generally requests two or more quotes and sets a price
within the range of quotes received based on its assessment of the credibility of the quote and its own evaluation of the security. The Company generally does not
adjust quotes received from brokers. For securities traded only in private negotiations, the Company determines fair value based primarily on the cost of such
securities, which is adjusted to reflect prices of recent placements of securities of the same issuer, financial projections, credit quality and business developments of
the issuer and other relevant information.

For Level 3 securities, the Company generally uses a discounted cash flow model to estimate the fair value of fixed maturity securities. The cash flow models

are based upon assumptions as to prevailing credit spreads, interest rate and interest rate volatility, time to maturity and subordination levels. Projected cash flows
are discounted at rates that are adjusted to reflect illiquidity, where appropriate.

74

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000The following tables present the assets and liabilities measured at fair value as of December 31, 2017 and 2016 by level:

Total

Level 1

Level 2

Level 3

(In thousands)

December 31, 2017

Assets:

Fixed maturity securities available for sale:

U.S. government and government agency

State and municipal

Mortgage-backed securities

Asset-backed securities

Corporate

Foreign government

Total fixed maturity securities available for sale

Equity securities available for sale:

Common stocks

Preferred stocks

Total equity securities available for sale

Arbitrage trading account

Total

Liabilities:

Trading account securities sold but not yet purchased

December 31, 2016

Assets:

Fixed maturity securities available for sale:

U.S. government and government agency

State and municipal

Mortgage-backed securities

Asset-backed securities

Corporate

Foreign government

Total fixed maturity securities available for sale

Equity securities available for sale:

Common stocks

Preferred stocks

Total equity securities available for sale

Arbitrage trading account

Total

Liabilities:

Trading account securities sold but not yet purchased

$

377,740

$

— $

377,740

$

4,445,094

1,299,931

2,111,544

4,389,112

848,497

13,471,918

352,204

224,443

576,647

617,649

14,666,214

64,358

$

$

—

—

—

—

—

—

342,834

—

342,834

471,420

814,254

64,358

$

$

4,445,094

1,299,931

2,111,372

4,389,112

848,497

13,471,746

—

213,600

213,600

146,229

13,831,575

$

—

—

—

172

—

—

172

9,370

10,843

20,213

—

20,385

— $

—

513,802

$

— $

513,802

$

4,519,503

1,189,645

1,907,860

4,068,527

902,805

13,102,142

445,858

223,342

669,200

299,999

14,071,341

51,179

$

$

—

—

—

—

—

—

429,647

—

429,647

224,623

654,270

51,089

$

$

4,519,503

1,189,645

1,907,677

4,068,527

902,805

13,101,959

7,457

219,680

227,137

75,376

13,404,472

90

$

$

—

—

—

183

—

—

183

8,754

3,662

12,416

—

12,599

—

$

$

$

$

$

There were no significant transfers between Levels 1 and 2 for the years ended December 31, 2017 and 2016 .

75

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000The following tables summarize changes in Level 3 assets and liabilities for the years ended December 31, 2017 and 2016 :

Beginning
Balance

Earnings
(Losses)

Other
Comprehensive
Income (Losses)

Impairments

Purchases

Sales

Paydowns/Maturities

Transfers In /
Out

Ending
Balance

Gains (Losses) Included in:

(In thousands)

Year ended December 31, 2017

Assets:
Fixed maturity securities available
for sale:

Asset-backed securities

$

183

$

Corporate

Total

Equity securities available for sale:

Common stocks

Preferred stocks

Total

Arbitrage trading account

Total

—

183

8,754

3,662

12,416

—

$

3

—

3

—

8

8

8

34

—

34

616

—

616

—

$

— $

— $ (48)

$

—

—

—

—

—

—

—

—

—

7,173

7,173

—

—

(48)

—

—

—

(8)

$

12,599

$

19

$

650

$

— $

7,173

$ (56)

$

Year ended December 31, 2016

Assets:
Fixed maturity securities available
for sale:

Asset-backed securities

$

Corporate

Total

Equity securities available for sale:

Common stocks

Preferred stocks

Total

Arbitrage trading account

Total

199

154

353

7,829

3,624

11,453

176

$

3

$

177

180

—

38

38

(176)

16

—

16

160

—

160

—

$

— $

— $ — $

—

—

—

—

—

—

—

—

765

—

765

—

(331)

(331)

—

—

—

—

—

—

—

—

—

—

—

—

(35)

—

(35)

—

—

—

—

$

— $

—

—

—

—

—

—

172

—

172

9,370

10,843

20,213

—

$

— $ 20,385

$

— $

—

—

—

—

—

—

183

—

183

8,754

3,662

12,416

—

$

11,982

$

42

$

176

$

— $

765

$ (331)

$

(35)

$

— $ 12,599

During the years ended December 31, 2017 and 2016 , there were no securities transferred out of Level 3.

76

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000(14)    Reserves for Losses and Loss Expenses

The Company's reserves for losses and loss expenses are comprised of case reserves and incurred but not reported liabilities (IBNR). When a claim is
reported, a case reserve is established for the estimated ultimate payment based upon known information about the claim. As more information about the claim
becomes available over time, case reserves are adjusted up or down as appropriate. Reserves are also established on an aggregate basis to provide for IBNR
liabilities and expected loss reserve development on reported claims.

Loss reserves included in the Company’s financial statements represent management’s best estimates based upon an actuarially derived point estimate and

other considerations. The Company uses a variety of actuarial techniques and methods to derive an actuarial point estimate for each operating unit. These methods
include paid loss development, incurred loss development, paid and incurred Bornhuetter-Ferguson methods and frequency and severity methods. In circumstances
where one actuarial method is considered more credible than the others, that method is used to set the point estimate. The actuarial point estimate may also be
based on a judgmental weighting of estimates produced from each of the methods considered. Industry loss experience is used to supplement the Company’s own
data in selecting “tail factors” in areas where the Company’s own data is limited. The actuarial data is analyzed by line of business, coverage and accident or policy
year, as appropriate, for each operating unit.

The establishment of the actuarially derived loss reserve point estimate also includes consideration of qualitative factors that may affect the ultimate losses.
These qualitative considerations include, among others, the impact of re-underwriting initiatives, changes in the mix of business, changes in distribution sources
and changes in policy terms and conditions.

The key assumptions used to arrive at the best estimate of loss reserves are the expected loss ratios, rate of loss cost inflation, and reported and paid loss
emergence patterns. Expected loss ratios represent management’s expectation of losses at the time the business is priced and written, before any actual claims
experience has emerged. This expectation is a significant determinant of the estimate of loss reserves for recently written business where there is little paid or
incurred loss data to consider. Expected loss ratios are generally derived from historical loss ratios adjusted for the impact of rate changes, loss cost trends and
known changes in the type of risks underwritten. Expected loss ratios are estimated for each key line of business within each operating unit. Expected loss cost
inflation is particularly important for the long-tail lines, such as excess casualty, and claims with a high medical component, such as workers’ compensation.
Reported and paid loss emergence patterns are used to project current reported or paid loss amounts to their ultimate settlement value. Loss development factors
are based on the historical emergence patterns of paid and incurred losses, and are derived from the Company’s own experience and industry data. The paid loss
emergence pattern is also significant to excess and assumed workers’ compensation reserves because those reserves are discounted to their estimated present value
based upon such estimated payout patterns.

Loss frequency and severity are measures of loss activity that are considered in determining the key assumptions described in our discussion of loss and loss

expense reserves, including expected loss ratios, rate of loss cost inflation and reported and paid loss emergence patterns. Loss frequency is a measure of the
number of claims per unit of insured exposure, and loss severity is a measure of the average size of claims. Factors affecting loss frequency include the
effectiveness of loss controls and safety programs and changes in economic activity or weather patterns. Factors affecting loss severity include changes in policy
limits, retentions, rate of inflation and judicial interpretations.

Another factor affecting estimates of loss frequency and severity is the loss reporting lag, which is the period of time between the occurrence of a loss and the

date the loss is reported to the Company. The length of the loss reporting lag affects our ability to accurately predict loss frequency (loss frequencies are more
predictable for lines with short reporting lags) as well as the amount of reserves needed for incurred but not reported losses (less IBNR is required for lines with
short reporting lags). As a result, loss reserves for lines with short reporting lags are likely to have less variation from initial loss estimates. For lines with short
reporting lags, which include commercial automobile, primary workers’ compensation, other liability (claims-made) and property business, the key assumption is
the loss emergence pattern used to project ultimate loss estimates from known losses paid or reported to date. For lines of business with long reporting lags, which
include other liability (occurrence), products liability, excess workers’ compensation and liability reinsurance, the key assumption is the expected loss ratio since
there is often little paid or incurred loss data to consider. Historically, the Company has experienced less variation from its initial loss estimates for lines of
businesses with short reporting lags than for lines of business with long reporting lags.

The key assumptions used in calculating the most recent estimate of the loss reserves are reviewed each quarter and adjusted, to the extent necessary, to

reflect the latest reported loss data, current trends and other factors observed.

A claim may be defined as an event, as a claimant (number of parties claiming damages from an event) or by exposure type (e.g., an event may give rise to

two parties, each claiming loss for bodily injury and property damage).

The most commonly used claim count method is by event. Most of the Company's operating units use the number of events to define and quantify the

number of claims. However, in certain lines of business, where it is common for multiple parties to claim

77

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000damages arising from a single event, an operating unit may quantify claims on the basis of the number of separate parties involved in an event. This may be the
case with businesses writing substantial automobile or transportation exposure.

Claim counts for assumed reinsurance will vary based on whether the business is written on a facultative or treaty basis. Further variability as respects treaty

claim counts may be reflective of the nature of the treaty, line of business coverage, and type of participation such as quota share or excess of loss contracts.
Accordingly, the claim counts have been excluded from the below Reinsurance segment tables due to this variability.

The claim count information set forth in the tables presented below may not provide an accurate reflection of ultimate loss payouts by product line.

The following tables present undiscounted incurred and paid claims development as of December 31, 2017, net of reinsurance, as well as cumulative claim

frequency and the total of incurred but not reported liabilities (IBNR). The information about incurred and paid claims development for the years ended December
31, 2008 to 2016 is presented as supplementary information. To enhance the comparability of the loss development data, the Company has removed the impact of
foreign exchange rate movements by using the December 31, 2017 exchange rate for all periods. Beginning with accident year 2012, the Company's U.K. and
European insurance business is included in the Insurance segment's tables for Other Liability, Professional Liability, Commercial Automobile and Short-Tail
Lines. Prior to 2012, the actuarial analysis for its U.K. and European insurance business was performed on an underwriting year basis and accident year data is not
available for those years.

78

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Insurance
Other Liability
(In thousands)

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

26

23

23

23

24

26

27

26

23

18

Loss and Loss Expenses Incurred, Net of Reinsurance

As of December 31, 2017

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

IBNR

Cumulative Number
of Reported Claims

$ 830,091 $ 798,785 $ 744,614

$ 707,274 $ 687,619 $ 678,552 $ 651,784 $ 642,430 $

644,303 $

638,545

$

24,822

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

689,758

656,915

625,068

598,641

589,618

561,674

557,634

612,630

616,196

590,160

591,042

577,714

575,030

665,768

674,139

660,240

659,214

653,945

—

—

—

—

—

—

—

—

—

—

—

688,924

703,226

703,984

710,395

752,373

793,662

786,676

—

—

—

—

848,794

851,216

953,009

—

—

—

552,954

573,865

649,035

714,301

786,122

849,147

988,661

546,645

571,623

645,149

724,641

807,181

854,008

963,803

—

—

1,019,961

—

1,012,783

1,065,756

$

7,830,134

27,261

39,109

45,208

65,037

101,487

180,513

344,421

545,372

783,578

Cumulative Paid Claims and Claim Adjustment Expenses, Net of Reinsurance

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

$

46,976 $

133,238 $

244,557 $

348,162 $

436,866 $

497,134 $

530,419 $

559,727 $

580,845 $

—

—

—

—

—

—

—

—

—

44,802

122,851

—

—

—

—

—

—

—

—

45,196

—

—

—

—

—

—

—

214,500

128,959

48,852

—

—

—

—

—

—

311,444

246,657

141,225

57,604

—

—

—

—

—

384,999

336,249

266,761

158,774

63,754

—

—

—

—

429,062

417,172

379,801

299,938

189,747

79,128

—

—

—

470,787

461,464

470,886

418,145

333,221

191,385

82,822

—

—

486,793

491,098

524,250

513,849

474,304

339,111

211,177

69,414

—

597,586

500,851

508,308

556,043

581,195

590,435

482,059

383,425

209,350

77,941

Reserves for loss and loss adjustment expenses before 2008, net of reinsurance

$

4,487,193

126,966

Reserves for loss and loss adjustment expenses, net of reinsurance $

3,469,907

79

1012270in_10k.indd 84

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Primary Workers' Compensation
(In thousands)

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Loss and Loss Expenses Incurred, Net of Reinsurance

As of December 31, 2017

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

IBNR

Cumulative Number
of Reported Claims

$ 377,794 $ 347,423 $ 345,605

$ 345,413 $ 388,558 $ 388,472 $ 389,343 $ 391,788 $

393,932 $

396,505

$

12,292

—

—

—

—

—

—

—

—

—

327,537

332,303

326,766

386,870

392,791

394,303

392,287

—

—

—

—

—

—

—

—

358,734

361,808

409,237

420,604

426,622

429,952

—

—

—

—

—

—

—

419,364

442,550

457,134

470,026

472,087

—

—

—

—

—

—

499,752

501,810

503,956

503,863

—

—

—

—

—

552,570

547,295

546,995

—

—

—

—

639,436

637,307

—

—

—

712,800

—

—

395,288

429,762

474,076

509,167

543,238

627,767

690,525

702,716

—

398,994

427,698

475,729

512,707

547,000

617,242

650,997

696,339

762,094

12,171

19,659

24,400

36,929

48,953

71,042

117,187

175,332

370,138

$

5,485,305

47

43

45

46

48

53

57

58

57

53

Cumulative Paid Claims and Claim Adjustment Expenses, Net of Reinsurance

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

$

94,385 $

203,079 $

261,867 $

296,667 $

320,169 $

335,030 $

344,892 $

352,539 $

360,799 $

—

—

—

—

—

—

—

—

—

93,647

—

—

—

—

—

—

—

—

197,736

107,742

—

—

—

—

—

—

—

257,972

214,034

106,157

—

—

—

—

—

—

297,079

279,226

234,694

114,998

—

—

—

—

—

318,349

320,154

309,509

255,063

117,900

—

—

—

—

333,793

344,631

355,909

339,560

277,538

148,405

—

—

—

344,771

362,078

385,759

387,368

363,028

319,743

139,320

—

—

352,516

374,013

408,304

419,588

414,160

412,611

323,744

142,998

—

366,741

360,289

382,665

420,945

437,196

447,894

471,235

421,734

338,835

153,456

Reserves for loss and loss adjustment expenses before 2008, net of reinsurance

$

3,800,990

157,868

Reserves for loss and loss adjustment expenses, net of reinsurance $

1,842,183

80

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Excess Workers' Compensation
(In thousands)

Loss and Loss Expenses Incurred, Net of Reinsurance

As of December 31, 2017

For the Year Ended December 31,

Unaudited

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

IBNR

Cumulative Number
of Reported Claims

$ 186,116 $ 181,072 $ 154,566 $ 152,830 $ 150,429 $ 150,493 $ 146,093 $ 147,105 $

140,155 $

139,869

$

30,534

—

—

—

—

—

—

—

—

—

168,762

153,766

153,912

148,223

147,556

138,765

142,768

—

—

—

—

—

—

—

—

135,639

123,497

120,272

116,422

100,331

104,732

—

—

—

—

—

—

—

88,650

—

—

—

—

—

—

93,993

72,366

—

—

—

—

—

95,714

71,301

62,767

—

—

—

—

87,064

71,780

48,493

63,465

—

—

—

85,299

73,653

46,025

57,558

69,977

—

—

134,716

100,065

83,850

72,441

42,419

49,478

57,897

72,657

—

129,249

94,986

78,246

67,878

38,551

45,758

50,099

70,281

76,702

$

791,619

26,998

20,772

23,339

16,278

19,501

27,746

32,693

43,421

48,784

1

1

1

1

1

1

1

—

—

1

Cumulative Paid Claims and Claim Adjustment Expenses, Net of Reinsurance

For the Year Ended December 31,

Unaudited

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

$

2,213 $

2,607 $

5,909 $

9,111 $

13,648 $

19,725 $

27,350 $

31,434 $

36,485 $

—

—

—

—

—

—

—

—

—

5,060

—

—

—

—

—

—

—

—

8,402

2,867

—

—

—

—

—

—

—

11,037

14,138

20,176

4,003

2,593

—

—

—

—

—

—

5,571

4,848

1,127

—

—

—

—

—

6,533

4,759

4,815

249

—

—

—

—

25,272

9,084

12,104

9,480

630

358

—

—

—

29,150

11,699

15,684

11,167

2,158

1,729

2,069

—

—

33,573

14,261

18,638

13,234

3,008

3,354

2,481

2,498

—

41,921

37,817

18,821

20,164

15,738

3,396

4,175

3,272

4,783

6,282

Reserves for loss and loss adjustment expenses before 2008, net of reinsurance

689,657
Reserves for loss and loss adjustment expenses, net of reinsurance $ 1,324,907

$

156,369

81

1012270in_10k.indd 86

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Professional Liability
(In thousands)

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Loss and Loss Expenses Incurred, Net of Reinsurance

As of December 31, 2017

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

IBNR

Cumulative Number
of Reported Claims

$ 113,409 $ 120,203 $ 116,836

$ 111,535 $ 110,337 $ 107,829 $ 107,369 $ 109,291 $

108,554 $

109,325

$

—

—

—

—

—

—

—

—

—

135,534

140,038

145,950

149,172

148,318

150,690

151,013

—

—

—

—

—

—

—

—

147,301

166,172

179,693

178,381

177,127

172,918

—

—

—

—

—

—

—

180,633

166,044

188,095

191,194

178,071

—

—

—

—

—

—

242,306

245,732

268,793

253,392

—

—

—

—

—

274,510

251,267

246,318

—

—

—

—

257,362

250,131

—

—

—

262,607

—

—

153,673

175,180

174,328

241,616

252,347

263,782

261,500

313,907

—

152,880

178,122

177,622

247,513

270,285

246,980

278,281

328,108

336,325

$

2,325,441

439

816

1,984

4,735

14,511

29,840

44,937

81,813

150,631

254,118

2

3

4

4

8

8

8

10

11

9

Cumulative Paid Claims and Claim Adjustment Expenses, Net of Reinsurance

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

$

10,002 $

37,844 $

66,198 $

85,623 $

96,621 $

97,834 $

100,399 $

105,346 $

106,428 $

—

—

—

—

—

—

—

—

—

12,613

—

—

—

—

—

—

—

—

52,612

14,857

—

—

—

—

—

—

—

85,960

58,980

18,833

—

—

—

—

—

—

117,802

108,713

62,659

22,234

—

—

—

—

—

127,879

129,916

103,404

87,943

24,784

—

—

—

—

139,030

144,645

135,095

129,442

64,525

19,778

—

—

—

144,109

160,799

151,388

160,493

120,431

84,580

20,616

—

—

144,883

165,223

159,555

191,963

178,821

140,094

86,116

28,935

—

108,894

147,768

171,539

167,847

216,476

208,169

179,300

140,660

103,632

36,958

Reserves for loss and loss adjustment expenses before 2008, net of reinsurance

Reserves for loss and loss adjustment expenses, net of reinsurance $

3,100

847,298

$

1,481,243

82

1012270in_10k.indd 87

3/13/18 6:39 PM

Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Commercial Automobile
(In thousands)

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Loss and Loss Expenses Incurred, Net of Reinsurance

As of December 31, 2017

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

IBNR

Cumulative Number
of Reported Claims

$ 432,629 $ 444,941 $ 430,453

$ 426,543 $ 425,600 $ 422,999 $ 422,309 $ 423,258 $

421,829 $

422,919

$

—

—

—

—

—

—

—

—

—

362,302

345,139

340,967

335,851

337,922

336,861

334,654

—

—

—

—

—

—

—

—

311,322

320,306

330,432

329,109

333,028

331,865

—

—

—

—

—

—

—

314,028

322,724

330,125

335,024

343,701

—

—

—

—

—

—

314,309

326,831

342,588

355,609

—

—

—

—

—

327,514

349,136

368,894

—

—

—

—

364,018

385,364

—

—

—

390,101

—

—

335,091

330,586

341,200

355,461

366,305

395,013

390,734

388,050

—

334,979

330,297

342,094

355,598

356,664

392,373

395,956

389,025

391,617

$

3,711,522

313

535

703

1,781

2,391

6,069

13,596

31,536

62,834

131,197

50

39

37

37

34

34

36

38

38

32

Cumulative Paid Claims and Claim Adjustment Expenses, Net of Reinsurance

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

$

175,402 $

270,421 $

334,078 $

377,643 $

402,882 $

413,411 $

417,598 $

420,553 $

420,596 $

—

—

—

—

—

—

—

—

—

136,433

—

—

—

—

—

—

—

—

209,553

136,054

—

—

—

—

—

—

—

257,326

208,790

135,350

—

—

—

—

—

—

291,925

263,639

211,756

136,844

—

—

—

—

—

312,903

295,355

262,685

215,214

142,929

—

—

—

—

328,845

313,262

296,370

273,446

218,596

155,630

—

—

—

331,484

324,997

321,814

312,342

267,253

237,802

160,316

—

—

333,144

326,804

333,987

335,805

312,470

306,618

242,185

156,753

—

422,236

333,607

327,240

338,325

346,961

333,420

342,988

300,071

240,395

159,100

Reserves for loss and loss adjustment expenses before 2008, net of reinsurance

Reserves for loss and loss adjustment expenses, net of reinsurance $

2,464

569,643

$

3,144,343

83

1012270in_10k.indd 88

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Short-tail lines
(In thousands)

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Loss and Loss Expenses Incurred, Net of Reinsurance

As of December 31, 2017

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

IBNR

Cumulative Number
of Reported Claims

$ 395,651 $ 384,606 $ 377,287

$ 371,053 $ 368,063 $ 368,207 $ 367,802 $ 367,594 $

368,044 $

367,969

$

—

—

—

—

—

—

—

—

—

346,902

335,950

326,460

318,124

318,454

314,914

314,140

—

—

—

—

—

—

—

—

385,650

370,134

358,292

355,579

345,866

346,338

—

—

—

—

—

—

—

477,005

470,151

461,561

456,871

455,005

—

—

—

—

—

—

533,643

542,372

543,923

539,180

—

—

—

—

—

582,165

594,296

585,661

—

—

—

—

715,483

722,317

—

—

—

748,981

—

—

314,068

346,700

450,427

519,459

569,888

694,942

764,638

822,176

—

316,279

346,280

449,639

518,398

568,276

692,591

763,735

825,812

796,305

$

5,645,284

737

1,063

1,105

1,511

4,358

7,802

11,939

28,878

48,073

150,489

23

19

19

21

40

47

53

59

54

42

Cumulative Paid Claims and Claim Adjustment Expenses, Net of Reinsurance

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

$

244,633 $

338,299 $

351,580 $

361,024 $

360,380 $

365,069 $

366,388 $

366,389 $

366,953 $

—

—

—

—

—

—

—

—

—

212,521

—

—

—

—

—

—

—

—

291,338

245,042

—

—

—

—

—

—

—

304,648

325,176

303,067

—

—

—

—

—

—

306,020

337,696

417,818

283,339

—

—

—

—

—

309,939

346,630

436,817

458,412

316,603

—

—

—

—

310,453

340,075

441,058

510,142

494,148

375,623

—

—

—

311,105

342,783

445,356

520,989

544,245

607,174

398,077

—

—

311,386

343,909

447,042

509,941

546,651

641,364

640,637

448,522

—

366,991

311,687

344,897

447,647

511,253

553,970

660,618

699,528

715,192

470,935

Reserves for loss and loss adjustment expenses before 2008, net of reinsurance

Reserves for loss and loss adjustment expenses, net of reinsurance $

3,033

565,599

$

5,082,718

84

1012270in_10k.indd 89

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Reinsurance

Casualty
(In thousands)

Loss and Loss Expenses Incurred, Net of Reinsurance

As of December 31, 2017

For the Year Ended December 31,

Unaudited

21,314

22,883

24,961

30,716

41,215

47,285

84,802

58,408

119,654

178,718

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

IBNR

$ 361,062 $ 346,045 $ 325,890 $ 306,513 $ 295,266 $ 291,214 $ 298,891 $ 299,336 $

294,775 $

296,277

$

—

—

—

—

—

—

—

—

—

336,295

329,565

328,313

310,178

302,380

293,983

282,968

—

—

—

—

—

—

—

—

292,363

299,988

289,984

278,155

267,279

255,738

—

—

—

—

—

—

—

293,319

312,388

306,928

302,166

309,707

—

—

—

—

—

—

335,219

339,253

334,435

327,145

—

—

—

—

—

322,691

273,677

276,773

—

—

—

—

323,796

324,199

—

—

—

262,424

—

—

288,634

252,537

306,560

336,407

286,997

323,384

234,938

244,028

—

282,130

250,224

297,910

338,715

295,688

334,922

233,590

256,175

234,749

$

2,820,380

Cumulative Paid Claims and Claim Adjustment Expenses, Net of Reinsurance

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

$

11,649 $

37,063 $

72,647 $

111,515 $

144,701 $

171,747 $

191,656 $

207,639 $

226,964 $

—

—

—

—

—

—

—

—

—

21,364

—

—

—

—

—

—

—

—

53,704

18,121

—

—

—

—

—

—

—

85,860

45,931

17,950

—

—

—

—

—

—

124,248

77,589

52,544

22,476

—

—

—

—

—

155,372

106,937

98,028

62,438

28,982

—

—

—

—

182,225

129,700

134,896

112,445

64,072

21,365

—

—

—

197,070

150,021

169,147

152,453

109,664

69,422

17,878

—

—

211,456

165,773

192,900

187,599

143,904

116,894

48,784

19,962

—

241,572

221,467

181,311

208,935

220,422

177,890

156,564

91,987

62,099

16,509

Reserves for loss and loss adjustment expenses before 2008, net of reinsurance

$

1,578,756

391,051

Reserves for loss and loss adjustment expenses, net of reinsurance $

1,632,676

85

1012270in_10k.indd 90

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Property
(In thousands)

Loss and Loss Expenses Incurred, Net of Reinsurance

As of December 31, 2017

For the Year Ended December 31,

Unaudited

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

IBNR

$

56,494 $

51,978 $

45,195 $

44,412

$

44,733 $

45,175 $

44,259 $

43,803 $

43,771 $

—

—

—

—

—

—

—

—

—

48,283

—

—

—

—

—

—

—

—

43,508

58,979

—

—

—

—

—

—

—

42,622

55,995

95,697

—

—

—

—

—

—

38,899

52,866

88,316

104,273

38,327

51,767

85,466

95,094

37,709

51,809

86,876

86,742

37,119

51,296

85,304

85,784

36,462

51,182

85,028

84,212

—

—

—

—

—

142,043

113,039

114,430

112,217

—

—

—

—

113,838

97,363

—

—

—

127,716

—

—

97,876

118,016

168,661

—

43,758

35,444

51,007

84,747

84,218

112,855

100,604

132,382

174,989

207,088

$

1,027,092

369

350

344

455

1,168

1,906

2,697

5,778

14,581

84,116

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

Cumulative Paid Claims and Claim Adjustment Expenses, Net of Reinsurance

For the Year Ended December 31,

Unaudited

Accident
Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

Total

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

$

11,280 $

29,300 $

34,456 $

36,773 $

37,200 $

38,845 $

39,193 $

40,490 $

42,585 $

—

—

—

—

—

—

—

—

—

9,823

—

—

—

—

—

—

—

—

22,045

23,882

—

—

—

—

—

—

—

28,392

37,996

31,558

—

—

—

—

—

—

29,612

42,676

59,067

15,705

—

—

—

—

—

31,438

44,165

73,612

51,967

36,654

—

—

—

—

31,427

45,102

76,281

64,471

74,732

39,050

—

—

—

32,730

46,701

78,838

70,924

92,836

67,255

53,496

—

—

34,953

49,353

82,040

77,786

101,794

82,651

89,384

79,015

—

$

Reserves for loss and loss adjustment expenses before 2008, net of reinsurance

Reserves for loss and loss adjustment expenses, net of reinsurance $

86

43,007

34,172

49,610

82,592

79,349

104,593

88,871

109,393

133,856

72,187

797,630

1,369

230,831

1012270in_10k.indd 91

3/13/18 6:39 PM

Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000The reconciliation of the net incurred and paid claims development tables to the reserves for loss and loss adjustment expenses in the consolidated balance

sheet is as follows:

(In thousands)

Undiscounted reserves for loss and loss expenses, net of reinsurance:

Other liability

Primary workers' compensation

Excess workers' compensation

Professional liability

Commercial automobile

Short-tail lines

Other

  Insurance

Casualty

Property

  Reinsurance

Total undiscounted reserves for loss and loss expenses, net of reinsurance

(In thousands)

Due from reinsurers on unpaid claims:

Other liability

Primary workers' compensation

Excess workers' compensation

Professional liability

Commercial automobile

Short-tail lines

Other

  Insurance

Casualty

Property

  Reinsurance

$

$

$

December 31, 2017

3,469,907

1,842,183

1,324,907

847,298

569,643

565,599

164,433

8,783,970

1,632,774

230,831

1,863,604

10,647,575

December 31, 2017

392,159

434,824

37,088

305,294

6,662

275,607

27,001

1,478,636

113,443

21,415

134,858

Total due from reinsurers on unpaid claims

$

1,613,494

87

1012270in_10k.indd 92

3/13/18 6:39 PM

Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000(In thousands)

Loss reserve discount:

Other liability

Primary workers' compensation

Excess workers' compensation

Professional liability

Commercial automobile

Short-tail lines

Other

  Insurance

Casualty

Property

  Reinsurance

Total loss reserve discount

Total gross reserves for loss and loss expenses

The following is supplementary information regarding average historical claims duration as of December 31, 2017:

December 31, 2017

$

$

$

—

—

(442,349)

—

—

—

—

(442,349)

(148,312)

—

(148,312)

(590,661)

11,670,408

Insurance

Years

Other liability

Primary workers'
compensation

Excess workers'
compensation

Professional liability

Commercial automobile

Short-tail lines

Reinsurance

Years

Casualty

Property

Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance

1

2

3

4

5

6

7

8

9

10

7.9%

14.1%

18.3%

16.8%

13.9%

8.6%

5.7%

3.5%

2.9%

2.6%

22.5%

27.3%

15.4%

9.4%

6.0%

4.0%

2.7%

2.0%

2.0%

1.5%

3.1%

9.0%

40.3%

60.2%

2.3%

23.9%

21.7%

29.1%

2.7%

22.3%

15.4%

5.9%

3.1%

16.9%

10.4%

1.7%

3.2%

9.6%

6.3%

—%

3.7%

6.4%

3.5%

0.6%

3.3%

3.2%

0.9%

0.3%

3.7%

2.9%

0.4%

0.1%

3.4%

2.7%

0.1%

0.1%

3.9%

2.3%

0.4%

—%

Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance

1

7.0%

34.8%

2

12.3%

33.2%

3

14.3%

14.7%

4

12.3%

5.2%

5

10.8%

3.6%

88

6

7

8

9

10

8.9%

2.5%

5.9%

2.6%

5.6%

3.2%

5.0%

1.3%

4.9%

1.0%

1012270in_10k.indd 93

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000The table below provides a reconciliation of the beginning and ending reserve balances:

(In thousands)

Net reserves at beginning of year

Net provision for losses and loss expenses:

Claims occurring during the current year (1)

Decrease in estimates for claims occurring in prior years (2)

Loss reserve discount accretion

Total

Net payments for claims:

Current year

Prior year

Total

Foreign currency translation

Net reserves at end of year

Ceded reserve at end of year

Gross reserves at end of year

2017

2016

2015

$

9,590,265

$

9,244,872

$

8,970,641

3,963,543

(5,165)

43,970

4,002,348

1,027,405

2,562,550

3,589,955

54,256

10,056,914

1,613,494

3,826,620

(29,904)

49,084

3,845,800

1,052,452

2,401,722

3,454,174

(46,233)

9,590,265

1,606,930

3,653,561

(46,713)

49,422

3,656,270

914,637

2,342,378

3,257,015

(125,024)

9,244,872

1,424,278

$

11,670,408

$

11,197,195

$

10,669,150

_______________________________________
(1) Claims occurring during the current year are net of loss reserve discounts of $22,064,000 , $18,929,000 and $20,357,000 in 2017 , 2016 , and 2015 ,

respectively.

(2) The decrease in estimates for claims occurring in prior years is net of loss reserve discount. On an undiscounted basis, the estimates for claims occurring in

prior years decreased by $32,132,000 , $59,175,000 and $64,971,000 in 2017 , 2016 and 2015 , respectively.

Favorable prior year development (net of additional and return premiums) was $37 million in 2017 .

Insurance - Reserves for the Insurance segment developed favorably by $68 million in 2017. The favorable development was primarily attributable to

workers' compensation business, and was partially offset by unfavorable development for professional liability business.

For workers' compensation, the favorable development was related to both primary and excess business and was spread across many accident years,
including those prior to 2008, but was most significant in accident years 2014 through 2016. The favorable workers' compensation development reflects a
continuation during 2017 of the generally benign loss cost trends experienced in recent years, particularly the favorable claim frequency trends (i.e. number of
reported claims per unit of exposure). Reported workers' compensation losses in 2017 continued to be below our expectations at most of our operating units, and
were below the assumptions underlying our previous reserve estimates. The favorable severity trends were also impacted by our continued investment in medical
case management services and the higher usage of preferred provider networks. The long term trend of declining workers' compensation frequency can be
attributed to improved workplace safety.

For professional liability business, adverse development was primarily related to unexpected large directors & officers ("D&O") liability losses at one of

our U.S. operating units, and large professional indemnity and D&O losses in the U.K. The adverse development stemmed mainly from accident years 2013
through 2016 in the U.S. and 2011 through 2016 in the U.K.

Reinsurance - Reserves for the Reinsurance segment developed unfavorably by $31 million in 2017. This adverse development was due to reserve

strengthening associated with claims impacted by the change in the Ogden discount rate in the U.K., as well as adverse development on the U.S. facultative
casualty excess of loss business. The Ogden rate is the discount rate used to calculate lump-sum bodily injury payouts in the U.K., and was reduced by the U.K.
Ministry of Justice from + 2.5% to -0.75% in 2017; the adverse development mostly related to U.K. motor bodily injury claims which we reinsured on an excess
of loss basis in accident years 2012 through 2016. The adverse development on U.S. facultative casualty business was due to construction related risks in accident
years 2008 and prior.

89

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Favorable prior year development (net of additional and return premiums) was $59 million in 2016.

Insurance - Reserves for the Insurance segment developed favorably by $53 million in 2016 . The favorable development was primarily related to workers'

compensation business, and was partially offset by unfavorable development for medical professional liability business.

For workers' compensation, the favorable development was related to both primary and excess business and to many accident years, including those prior to

2007. During 2016 , reported workers' compensation losses continued to be below our expectations at most of our operating units. Loss frequency and severity
trends continued to be better than the assumptions underlying our previous reserve estimates. Loss severity trends also benefited from our continued investment in
medical case management services and from our preferred provider networks. The long term trend of declining workers' compensation frequency can be attributed
to improved workplace safety.

For medical professional liability business, unfavorable development was primarily related to a class of business that has been discontinued. The adverse

development for that business stemmed mainly from accident years 2010 through 2015.

Reinsurance - Reserves for the Reinsurance segment developed favorably by 6 million in 2016 . The favorable development was primarily related to direct

facultative reinsurance business and to accident years 2008 through 2014.

Favorable prior year development (net of additional and return premiums) was $63 million in 2015.

Insurance - Reserves for the Insurance segment developed favorably by $52 million in 2015 . The favorable development was primarily related to workers'
compensation, other liability business and commercial property, and was partially offset by unfavorable development for commercial automobile liability business
and professional indemnity business.

For workers' compensation, the favorable development was related to both primary and excess business and to many accident years, including those prior to
2007. In 2015 , reported workers' compensation losses were below our expectations for many of our operating units. In addition, overall loss frequency and severity
trends emerged better than the assumptions underlying our previous reserve estimates. The long term trend of declining workers' compensation claim frequency
continued in 2015 . The improvement is attributable to better workplace safety and to benign medical severity trends as we continue to invest in medical case
management services and higher usage of preferred provider networks.

For other liability business, favorable development was concentrated in accident years 2007 through 2013. The favorable development was primarily related

to our excess and surplus lines casualty business that has benefited from a persistent improvement in claim frequency trends over the past several years.

For commercial property business, favorable development was attributable to accident years 2012 through 2014 and was driven by favorable frequency and

severity trends on property business written in Lloyd's.

For commercial automobile business, adverse development was primarily related to large losses for long-haul trucking business and to accident years 2011
through 2014. The higher loss cost trends for the commercial automobile industry are attributable, in part, to the increase in miles driven as the economy improved
and fuel prices declined over the past several years.

For professional indemnity business in the U.K., adverse development was primarily for accident years 2006 through 2013.

Reinsurance - Reserves for the Reinsurance segment developed favorably by $11 million in 2015 . The favorable development was primarily related to

direct facultative reinsurance business and to accident years 2005 through 2013. Loss reserves developed favorably for umbrella business and for other liability
coverage for contractors.

Environmental and Asbestos  — To date, known environmental and asbestos claims have not had a material impact on the Company’s operations, because

its subsidiaries generally did not insure large industrial companies that are subject to significant environmental or asbestos exposures prior to 1986 when an
absolute exclusion was incorporated into standard policy language.

The Company’s net reserves for losses and loss expenses relating to asbestos and environmental claims on policies written before adoption of the absolute
exclusion was $30 million at December 31, 2017 and $31 million at December 31, 2016 . The estimation of these liabilities is subject to significantly greater than
normal variation and uncertainty because it is difficult to make an actuarial estimate of these liabilities due to the absence of a generally accepted actuarial
methodology for these exposures and the potential effect of significant unresolved legal matters, including coverage issues, as well as the cost of litigating the legal
issues. Additionally, the determination of ultimate damages and the final allocation of such damages to financially responsible parties are highly uncertain.

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Discounting  — The Company discounts its liabilities for certain workers’ compensation reserves. The amount of workers’ compensation reserves that were
discounted was $1,855 million and $1,907 million at December 31, 2017 and December 31, 2016 , respectively. The aggregate net discount for those reserves, after
reflecting the effects of ceded reinsurance, was $591 million and $640 million at December 31, 2017 and 2016 , respectively. At December 31, 2017 , discount
rates by year ranged from 2.0% to 6.5% , with a weighted average discount rate of 3.8% .

Substantially all discounted workers’ compensation reserves ( 97% of total discounted reserves at December 31, 2017 ) are excess workers’ compensation

reserves. In order to properly match loss expenses with income earned on investment securities supporting the liabilities, reserves for excess workers’
compensation business are discounted using risk-free discount rates determined by reference to the U.S. Treasury yield curve. These rates are determined annually
based on the weighted average rate for the period. Once established, no adjustments are made to the discount rate for that period, and any increases or decreases in
loss reserves in subsequent years are discounted at the same rate, without regard to when any such adjustments are recognized. The expected loss and loss expense
payout patterns subject to discounting are derived from the Company’s loss payout experience.

The Company also discounts reserves for certain other long-duration workers’ compensation reserves (representing approximately 3% of total discounted

reserves at December 31, 2017 ), including reserves for quota share reinsurance and reserves related to losses regarding occupational lung disease. These reserves
are discounted at statutory rates permitted by the Department of Insurance of the State of Delaware.

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The Company reinsures a portion of its insurance exposures in order to reduce its net liability on individual risks and catastrophe losses. Reinsurance

coverage and retentions vary depending on the line of business, location of the risk and nature of loss. The Company’s reinsurance purchases include the
following: property reinsurance treaties that reduce exposure to large individual property losses and catastrophe events; casualty reinsurance treaties that reduce its
exposure to large individual casualty losses, workers’ compensation catastrophe losses and casualty losses involving multiple claimants or insureds; and
facultative reinsurance that reduces exposure on individual policies or risks for losses that exceed treaty reinsurance capacity. Depending on the operating unit, the
Company purchases specific additional reinsurance to supplement the above programs.

The following is a summary of reinsurance financial information:

(In thousands)

Written premiums:

Direct

Assumed

Ceded

Total net written premiums

Earned premiums:

Direct

Assumed

Ceded

Total net earned premiums

Ceded losses and loss expenses incurred

Ceded commission earned

2017

2016

2015

$

6,726,029

$

6,647,600

$

6,412,533

750,934

896,101

837,460

(1,216,455)

(1,119,788)

(1,060,478)

$

6,260,508

$

6,423,913

$

6,189,515

$

6,661,046

$

6,492,240

$

6,245,714

812,309

900,570

845,735

(1,161,936)

(1,099,462)

(1,050,840)

$

$

$

6,311,419

601,769

241,983

$

$

$

6,293,348

707,336

201,957

$

$

$

6,040,609

501,999

173,288

The Company reinsures a portion of its exposures principally to reduce its net liability on individual risks and to protect against catastrophic losses.

Estimated amounts due from reinsurers are reported net of reserves for uncollectible reinsurance of $1,010,000 , $1,049,000 and $1,020,000 as of
December 31, 2017 , 2016 and 2015 , respectively.

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(In thousands)

Munich Re

Lloyd’s of London

Alleghany Group

Swiss Re

Partner Re

Axis Capital

Hannover Re Group

Berkshire Hathaway

Everest Re

Korean Re

Chubb Limited

Renaissance Re

Liberty Mutual

Arch Capital Group

Other reinsurers less than $20,000

Subtotal

Residual market pools

Total

(16)    Indebtedness

$

$

156,368

152,934

152,468

129,369

87,491

82,803

64,011

56,892

50,387

44,072

30,977

27,095

22,629

21,310

293,134

1,371,940

411,260

1,783,200

Indebtedness consisted of the following as of December 31, 2017 (the difference between the face value and the carrying value is unamortized discount and

debt issuance costs):

(In thousands)

Senior notes due on:

August 15, 2019

September 15, 2019

September 15, 2020

January 1, 2022

March 15, 2022

February 15, 2037

August 1, 2044

Subsidiary debt (1)

  Total senior notes and other debt

Subordinated debentures due on:

April 30, 2053

March 1, 2056

June 1, 2056

Total subordinated debentures

Interest Rate

Face Value

2017

2016

Carrying Value

6.15%

7.375%

5.375%

8.7%

4.625%

6.25%

4.75%

Various

5.625%

5.9%

5.75%

$

140,651

$

140,434

$

300,000

300,000

76,503

350,000

250,000

350,000

12,517

1,779,671

350,000

110,000

290,000

$

$

299,562

299,083

76,210

348,252

247,896

345,099

12,516

1,769,052

340,838

106,055

281,325

$

$

750,000

$

728,218

$

$

$

$

140,301

299,308

298,747

76,151

347,834

247,786

344,914

5,554

1,760,595

340,579

105,952

281,099

727,630

________________
(1) Subsidiary debt is due as follows: $2 million in 2019 , $11 million in 2020 , and $0.03 million in 2022 .

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Income tax expense (benefits) consists of:

(In thousands)

December 31, 2017

Domestic

Foreign

Total expense

December 31, 2016

Domestic

Foreign

Total expense

December 31, 2015

Domestic

Foreign

Total expense

Current
Expense
(Benefit)

Deferred
(Benefit)
Expense

Total

$

$

$

$

$

$

225,694

8,803

234,497

259,539

23,634

283,173

179,150

(2,318)

176,832

$

$

$

$

$

$

(27,601)

$

12,537

(15,064)

$

198,093

21,340

219,433

3,355

6,425

9,780

31,145

19,946

51,091

$

$

$

$

262,894

30,059

292,953

210,295

17,628

227,923

Income before income taxes from domestic operations was $797 million , $837 million and $689 million for the years ended December 31, 2017 , 2016 and
2015 , respectively. Income (loss) before income taxes from foreign operations was ($25) million , $59 million and $43 million for the years ended December 31,
2017 , 2016 and 2015 , respectively.

A reconciliation of the income tax expense and the amounts computed by applying the Federal and foreign income tax rate of 35% to pre-tax income are as

follows:

(In thousands)

Computed “expected” tax expense

Tax-exempt investment income

Change in valuation allowance

Impact of foreign tax rates

State and local taxes

Impact of change in U.S. tax rate

Other, net

Total expense

2017

2016

2015

$

270,470

$

313,753

$

(37,209)

11,161

3,508

1,644

(30,531)

390

(37,379)

1,420

1,984

7,748

—

5,427

256,210

(39,283)

2,702

4,447

940

—

2,907

$

219,433

$

292,953

$

227,923

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follows:

(In thousands)

Deferred tax asset:

Loss reserve discounting

Unearned premiums

Net operating losses

Other-than-temporary impairments

Employee compensation plans

Other

Gross deferred tax asset

Less valuation allowance

Deferred tax asset

Deferred tax liability:

Amortization of intangibles

Deferred policy acquisition costs

Unrealized investment gains

Property, furniture and equipment

Investment funds

Other

Deferred tax liability

Net deferred tax liability

2017

2016

$

70,206

$

110,854

33,043

8,204

59,037

49,346

330,690

(16,619)

314,071

12,826

100,020

151,162

31,865

41,104

63,858

400,835

$

86,764

$

86,659

187,522

6,179

26,139

90,998

79,842

477,339

(5,457)

471,882

21,192

173,481

238,232

34,857

85,075

53,410

606,247

134,365

The Company had a current tax payable of $11,327,000 and a receivable of $14,768,000 at December 31, 2017 and 2016 , respectively. At December 31, 2017
, the Company had foreign net operating loss carryforwards of $6.3 million that expire beginning in 2027, and an additional $156.6 million that have no expiration
date. At December 31, 2017 , the Company had a valuation allowance of $16.6 million , as compared to $5.5 million at December 31, 2016 . The Company has
provided a valuation allowance against future tax benefits of certain foreign operations. The statute of limitations has closed for the Company’s U.S. Federal tax
returns through December 31, 2013.

The realization of the deferred tax asset is dependent upon the Company’s ability to generate sufficient taxable income in future periods. Based on historical
results and the prospects for future current operations, management anticipates that it is more likely than not that future taxable income will be sufficient for the
realization of this asset.

The Tax Cuts and Jobs Act of 2017 (the Tax Act) was enacted on December 22, 2017. The Tax Act provides for a reduction of the U.S. corporate income tax

rate from 35% to 21% effective January 1, 2018. The Tax Act also provides for a mandatory repatriation of foreign earnings, which requires companies to pay a
one-time tax on the unremitted accumulated earnings of their foreign subsidiaries.

The Company has calculated the effects of the Tax Act as of December 31, 2017 and has included in its financial statements provisional estimates of its

impact. The Company anticipates further guidance will be forthcoming and will continue to review and refine its calculations as guidance is provided and
additional analysis of the Company's information is completed.

In 2017, the Company reported a net tax benefit related to the Tax Act in the amount of $20.7 million . This included a tax benefit due to the reduction of the
tax rate as applied to the net U.S. deferred tax liability in the amount of $30.5 million . Offsetting this tax benefit, the Company recorded a provisional charge of
$9.8 million on the deemed repatriation of earnings and related impact of utilization of foreign losses. The charge may be adjusted as the applicable earnings
related to the foreign subsidiaries are finalized for the purpose of the mandatory repatriation inclusion computation.

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subsidiaries. The Company intends to continue its policy to permanently reinvest the undistributed earnings of its foreign subsidiaries.

The U.S. tax law requires insurance reserves to be discounted and new guidance on the appropriate discount rates required by the Tax Act has not yet been

published. The Company has not included a provisional amount for the impact of the Tax Act on the tax deductible insurance reserves.

(18)    Dividends from Subsidiaries and Statutory Financial Information

The Company’s insurance subsidiaries are restricted by law as to the amount of dividends they may pay without the approval of regulatory authorities. The

Company’s lead insurer, Berkley Insurance Company (BIC), directly or indirectly owns all of the Company’s other insurance companies. During 2018 , the
maximum amount of dividends that can be paid by BIC without such approval is approximately $699 million .

BIC’s combined net income and statutory capital and surplus, as determined in accordance with statutory accounting practices (SAP), are as follows:

(In thousands)

Net income

Statutory capital and surplus

2017

2016

$

$

698,862

5,479,603

$

$

702,830

5,493,044

$

$

2015

813,303

5,296,435

The significant variances between SAP and GAAP are that for statutory purposes bonds are carried at amortized cost, acquisition costs are charged to income
as incurred, deferred Federal income taxes are subject to limitations, excess and assumed workers’ compensation reserves are discounted at different discount rates
and certain assets designated as “non-admitted assets” are charged against surplus. The Commissioner of Insurance of the State of Delaware has allowed BIC to
discount non-tabular workers' compensation loss reserves, which is a permitted practice that differs from SAP. The effect of using this permitted practice was an
increase to BIC’s statutory capital and surplus by $277 million at December 31, 2017 .

The National Association of Insurance Commissioners (“NAIC”) has risk-based capital (“RBC”) requirements that require insurance companies to calculate
and report information under a risk-based formula which measures statutory capital and surplus needs based on a regulatory definition of risk in a company’s mix
of products and its balance sheet. This guidance is used to calculate two capital measurements: Total Adjusted Capital and RBC Authorized Control Level. Total
Adjusted Capital is equal to the Company’s statutory capital and surplus excluding capital and surplus derived from the use of permitted practices that differ from
statutory accounting practices. RBC Authorized Control Level is the capital level used by regulatory authorities to determine whether remedial action is required.
Generally, no remedial action is required if Total Adjusted Capital is 200% or more of the RBC Authorized Control Level. At December 31, 2017 , BIC’s Total
Adjusted Capital of $5.203 billion was 397% of its RBC Authorized Control Level.

See Note 4, Investments in Fixed Maturity Securities, for a description of assets held on deposit as security.

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(19)    Common Stockholders’ Equity

The weighted average number of shares used in the computation of net income per share was as follows:

Basic

Diluted

2017

124,843,240

129,017,613

2016

122,650,997

128,552,838

2015

124,040,313

130,188,866

Treasury shares have been excluded from average outstanding shares from the date of acquisition. The weighted average number of basic shares outstanding

includes the impact of 4,847,303 common shares held in a grantor trust established in March 2017. The common shares held in the grantor trust are for delivery
upon settlement of vested but mandatorily deferred restricted stock units ("RSUs"). Shares held by the grantor trust do not affect diluted shares outstanding since
shares deliverable under vested RSUs were already included in diluted shares outstanding. The difference in calculating basic and diluted net income per share is
attributable entirely to the dilutive effect of stock-based compensation plans. Changes in shares of common stock outstanding, net of treasury shares, are presented
below. Shares of common stock issued and outstanding do not include shares related to unissued restricted stock units (including shares held in the grantor trust).

Balance, beginning of year

Shares issued

Shares repurchased

Balance, end of year

2017

2016

2015

121,193,599

123,307,837

1,052,256

(731,003)

281,654

(2,395,892)

121,514,852

121,193,599

126,748,836

1,061,026

(4,502,025)

123,307,837

The amount of dividends paid is dependent upon factors such as the receipt of dividends from our subsidiaries, our results of operations, cash flow, financial
condition and business needs, the capital and surplus requirements of our subsidiaries, and applicable insurance regulations that limit the amount of dividends that
may be paid by our regulated insurance subsidiaries.

(20)    Fair Value of Financial Instruments

The following table presents the carrying amounts and estimated fair values of the Company’s financial instruments as of December 31, 2017 and 2016 :

(In thousands)

Assets:

Fixed maturity securities

Equity securities available for sale

Arbitrage trading account

Loans receivable

Cash and cash equivalents

Trading accounts receivable from brokers and clearing organizations

Liabilities:

Due to broker

Trading account securities sold but not yet purchased

Subordinated debentures

Senior notes and other debt

2017

2016

Carrying Value

Fair Value

Carrying Value

Fair Value

$

13,551,250

$

13,566,976

$

13,190,668

$

13,204,814

576,647

617,649

79,684

950,471

189,280

15,920

64,358

728,218

1,769,052

576,647

617,649

82,047

950,471

189,280

15,920

64,358

769,060

1,945,313

669,200

299,999

106,798

795,285

484,593

19,416

51,179

727,630

1,760,595

669,200

299,999

108,299

795,285

484,593

19,416

51,179

687,504

1,914,727

The estimated fair values of the Company’s fixed maturity securities, equity securities available for sale and arbitrage trading account securities are based on
various valuation techniques that rely on fair value measurements as described in Note 13 above. The fair value of loans receivable is estimated by using current
institutional purchaser yield requirements for loans with similar credit characteristics, which is considered a Level 2 input. The fair value of the senior notes and
other debt and the subordinated debentures is based on spreads for similar securities, which is considered a Level 2 input.

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(21)    Lease Obligations

The Company and its subsidiaries use office space and equipment under leases expiring at various dates. These leases are considered operating leases for
financial reporting purposes. Some of these leases have options to extend the length of the leases and contain clauses for cost of living, operating expense and real
estate tax adjustments. Future minimum lease payments, without provision for sublease income, are: $ 50,117,000 in 2018 ; $ 41,326,000 in 2019 ; $ 38,721,000 in
2020 ; $34,982,000 in 2021 , 29,720,000 in 2022 and $ 92,086,000 thereafter. Rental expense was $52,925,000 , $ 47,453,000 , and $ 46,271,000 for 2017 , 2016 ,
and 2015 respectively.

(22)    Commitments, Litigation and Contingent Liabilities

In the ordinary course of business, the Company is subject to disputes, litigation and arbitration arising from its insurance and reinsurance businesses. These

matters are generally related to insurance and reinsurance claims and are considered in the establishment of loss and loss expense reserves. In addition, the
Company may also become involved in legal actions which seek extra-contractual damages, punitive damages or penalties, including claims alleging bad faith in
handling of insurance claims. The Company expects its ultimate liability with respect to such matters will not be material to its financial condition. However,
adverse outcomes on such matters are possible, from time to time, and could be material to the Company’s results of operations in any particular financial reporting
period.

At December 31, 2017 , the Company had commitments to invest up to $406.2 million and $359.7 million in certain investment funds and real estate

construction projects, respectively.

(23)    Stock Incentive Plan

Pursuant to the Company's stock incentive plan, the Company may issue restricted stock units (RSUs) to employees of the Company and its subsidiaries. The

RSUs generally vest three to five years from the award date and are subject to other vesting and forfeiture provisions contained in the award agreement. The
following table summarizes RSU information for the three years ended December 31, 2017 :

RSUs granted and unvested at beginning of period:

Granted

Vested

Canceled

RSUs granted and unvested at end of period:

2017

4,862,098

855,984

(1,993,507)

(246,594)

3,477,981

2016

4,158,325

1,000,559

(77,250)

(219,536)

4,862,098

2015

5,330,445

997,522

(1,938,000)

(231,642)

4,158,325

Upon vesting, shares of the Company’s common stock equal to the number of vested RSUs are issued or deferred to a later date, depending on the terms of the
specific award agreement. As of December 31, 2017 , 5,027,614  RSUs had been deferred. RSUs that have not yet vested and vested RSUs that have been deferred
are not considered to be issued and outstanding shares.
The fair value of RSUs at the date of grant are recorded as unearned compensation, a component of stockholders’ equity, and expensed over the vesting period.
Following is a summary of changes in unearned compensation for the three years ended December 31, 2017 :

(In thousands)

Unearned compensation at beginning of year

RSUs granted, net of cancellations

 RSUs expensed

  RSUs forfeitures

Unearned compensation at end of year

2017

2016

2015

115,965

$

103,538

$

52,897

(38,796)

(7,156)

52,697

(35,585)

(4,685)

88,015

50,442

(30,691)

(4,228)

122,910

$

115,965

$

103,538

$

$

98

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(24)    Compensation Plans

The Company and its subsidiaries have profit sharing plans in which substantially all employees participate. The plans provide for minimum annual

contributions of 5% of eligible compensation; contributions above the minimum are discretionary and vary with each participating subsidiary’s profitability.
Employees become eligible to participate in the plan on the first day of the calendar quarter following the first full calendar quarter after the employee's date of
hire provided the employee has completed 250 hours of service during the calendar quarter. The plans provide that 40% of the contributions vest immediately and
that the remaining 60% vest at varying percentages based upon years of service. Profit sharing expense was $42 million , $39 million and $42 million in 2017 ,
2016 and 2015 , respectively.

The Company has a long-term incentive compensation plan ("LTIP") that provides for compensation to key executives based on the growth in the Company's

book value per share over a five year period.

The following table summarizes the outstanding LTIP awards as of December 31, 2017 :

2013 grant

2014 grant

2015 grant

2016 grant

2017 grant

Units Outstanding

Maximum Value

Inception to date earned through
December 31, 2017 on outstanding
units

194,250 $

48,562,500 $

207,000

208,500

229,250

227,000

20,700,000

20,850,000

22,925,000

22,700,000

38,958,780

12,916,800

10,800,300

7,581,298

3,162,110

The following table summarizes the LTIP expense for each of the three years ended December 31, 2017 :

(In thousands)

2011 grant

2013 grant

2014 grant

2015 grant

2016 grant

2017 grant

Total

(25)    Supplemental Financial Statement Data

Other operating costs and expenses consist of the following:

(In thousands)

Amortization of deferred policy acquisition costs

Insurance operating expenses

Insurance service expenses

Net foreign currency losses (gains)

Other costs and expenses

Total

99

2017

2016

2015

$

— $

(82)

$

7,667

3,167

3,667

3,601

3,162

8,918

3,503

4,072

4,002

—

7,397

7,336

2,935

3,205

—

—

$

21,264

$

20,413

$

20,873

2017

2016

2015

$

1,111,489

$

1,155,954

$

1,102,492

989,535

129,776

15,267

190,865

933,249

138,908

(11,904)

179,412

903,006

127,365

400

156,487

$

2,436,932

$

2,395,619

$

2,289,750

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(26)    Industry Segments

The Company’s reportable segments include the following two business segments, plus a corporate segment:

Insurance - predominantly commercial insurance business, including excess and surplus lines, admitted lines and specialty personal lines throughout the

•
United States, as well as insurance business in the United Kingdom, Continental Europe, South America, Canada, Mexico, Scandinavia, Asia and Australia.

Reinsurance - reinsurance business on a facultative and treaty basis, primarily in the United States, United Kingdom, Continental Europe, Australia, the

•
Asia-Pacific region and South Africa.

Commencing with the first quarter of 2017 , the Company reclassified two businesses from the Insurance segment to the Reinsurance segment.

Reclassifications have been made to the Company's prior periods financial information to conform with this presentation.

The accounting policies of the segments are the same as those described in the summary of significant accounting policies. Income tax expense and benefits

are calculated based upon the Company’s overall effective tax rate.

Summary financial information about the Company’s reporting segments is presented in the following table. Income before income taxes by segment includes

allocated investment income. Identifiable assets by segment are those assets used in or allocated to the operation of each segment.

(In thousands)

December 31, 2017

Insurance (2)

Reinsurance

Corporate, other and eliminations (3)

Net investment gains

Consolidated

December 31, 2016

Insurance

Reinsurance

Corporate, other and eliminations (3)

Net investment gains

Consolidated

December 31, 2015

Insurance

Reinsurance

Corporate, other and eliminations (3)

Net investment gains

Consolidated

Revenues

Earned
Premiums

Investment
Income

Other

Total (1)

Pre-Tax
Income
(Loss)

Net
Income
(Loss)
to Common
Stockholders

$

5,706,443

$

436,178

$

86,864

$

6,229,485

$

756,153

$

604,976

—

—

91,146

48,464

—

—

374,835

335,858

696,122

423,299

335,858

(15,276)

(303,965)

335,858

$

6,311,419

$

575,788

$

797,557

$

7,684,764

$

772,770

$

$

5,618,842

$

431,489

$

97,879

$

6,148,210

$

799,139

$

674,506

—

—

102,617

30,057

—

—

431,789

267,005

777,123

461,846

267,005

98,277

(267,983)

267,005

$

6,293,348

$

564,163

$

796,673

$

7,654,184

$

896,438

$

$

5,393,166

$

386,801

$

96,487

$

5,876,454

$

748,515

$

647,443

—

—

97,882

27,962

—

—

464,392

92,324

745,325

492,354

92,324

122,930

(231,739)

92,324

$

6,040,609

$

512,645

$

653,203

$

7,206,457

$

732,030

$

100

535,186

(5,131)

(199,269)

218,308

549,094

534,613

68,400

(174,650)

173,553

601,916

512,426

86,487

(155,230)

60,011

503,694

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(In thousands)

Insurance

Reinsurance

Corporate, other and eliminations(2)

Consolidated

Identifiable Assets

December 31,

2017

2016

19,263,193

$

19,026,658

3,169,731

1,866,993

2,635,438

1,702,748

24,299,917

$

23,364,844

$

$

_______________________________________
(1) Revenues for Insurance includes $688.2 million , $733.3 million and $786.9 million in 2017, 2016 and 2015, respectively, from foreign countries. Revenues
for Reinsurance includes $201.3 million , $200.5 million and $223.4 million in 2017, 2016 and 2015, respectively, from foreign countries.
(2) Net income (loss) to common stockholders for 2017 within the Insurance segment includes a net $21 million benefit related to tax reform.
(3) Corporate, other and eliminations represent corporate revenues and expenses and other items that are not allocated to business segments.

Net premiums earned by major line of business are as follows:

(In thousands)

Insurance

Other liability

Workers' compensation

Short-tail lines

Commercial automobile

Professional liability

Total Insurance

Reinsurance

Casualty

Property

Total Reinsurance

Total

2017

2016

2015

$

1,843,826

$

1,761,748

$

1,614,453

1,481,507

1,184,799

650,441

545,870

1,402,611

1,280,091

642,452

531,940

1,355,631

1,277,538

674,078

471,466

5,706,443

5,618,842

5,393,166

377,650

227,326

604,976

405,470

269,036

674,506

438,800

208,643

647,443

$

6,311,419

$

6,293,348

$

6,040,609

101

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The following is a summary of quarterly financial data:

(In thousands, except per share data)

2017

Three months ended

Revenues

Net income

Net income per share (1)

Basic (2)

Diluted

Three months ended

Revenues

Net income

Net income per share (1)

Basic

Diluted

March 31

June 30

September 30

December 31

$

1,870,418

$

1,848,049

$

2,031,342

$

123,447

109,004

162,054

1.01

0.96

0.87

0.85

2016

1.29

1.26

1,934,956

154,589

1.22

1.21

March 31

June 30

September 30

December 31

$

1,807,211

$

1,855,914

$

2,019,727

$

119,511

108,967

220,650

0.97

0.93

0.89

0.85

1.80

1.72

1,971,333

152,790

1.26

1.20

_______________________________________
(1) Net income per share (“EPS”) in each quarter is computed using the weighted-average number of shares outstanding during that quarter, while EPS for the full
year is computed using the weighted-average number of shares outstanding during the year. Thus, the sum of the four quarters EPS does not necessarily equal the
full-year EPS.

(2) Basic shares outstanding includes shares held in a grantor trust established in March 2017.

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None.

ITEM 9A. CONTROLS AND PROCEDURES

The Company's management, including its Chief Executive Officer and Chief Financial Officer, have conducted an evaluation of the effectiveness of the
Company's disclosure controls and procedures pursuant to Exchange Act Rule 13a-15(b) as of the end of the period covered by this annual report. Based on that
evaluation, the Chief Executive Officer and Chief Financial Officer concluded that the Company has in place effective controls and procedures designed to ensure
that information required to be disclosed by the Company in the reports it files or submits under the Exchange Act and the rules thereunder, is recorded, processed,
summarized and reported within the time periods specified in the Commission's rules and forms.
During the quarter ended December 31, 2017 , there have been no changes in our internal controls over financial reporting that have materially affected, or are
reasonably likely to materially affect, our internal controls over financial reporting.

Management's Report On Internal Control Over Financial Reporting

A company's internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting

and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company's internal control over
financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the
transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of
financial statements in accordance with GAAP, and that receipts and expenditures of the company are being made only in accordance with authorizations of
management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or
disposition of the company's assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation

of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance
with the policies or procedures may deteriorate.

Our management is responsible for establishing and maintaining adequate internal control over financial reporting. Under the supervision and with the
participation of our management, including our principal executive officer and principal financial officer, we conducted an evaluation of the effectiveness of our
internal control over financial reporting based on the framework in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring
Organizations of Treadway Commission. Based on our evaluation under the framework in Internal Control - Integrated Framework, our management concluded
that our internal control over financial reporting was effective as of December 31, 2017.

103

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To the Stockholders and Board of Directors
W. R. Berkley Corporation:

Opinion on Internal Control Over Financial Reporting

We have audited W. R. Berkley Corporation and Subsidiaries’ (the “Company”) internal control over financial reporting as of December 31, 2017, based on
criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. In our
opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2017, based on criteria established
in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the consolidated balance
sheets of the Company as of December 31, 2017 and 2016, the related consolidated statements of income, comprehensive income, stockholders’ equity, and cash
flows for each of the years in the three-year period ended December 31, 2017, and the related notes and financial statement schedules II to VI (collectively, the
"consolidated financial statements”), and our report dated February 23, 2018 expressed an unqualified opinion on those consolidated financial statements.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal
control over financial reporting, included in the accompanying Managements’s Report on Internal Control over Financial Reporting. Our responsibility is to
express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and
are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the
Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance
about whether effective internal control over financial reporting was maintained in all material respects. Our audit of internal control over financial reporting
included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the
design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered
necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the
preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial
reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the
transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of
financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in
accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of
unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of
effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with
the policies or procedures may deteriorate.

New York, New York
February 23, 2018

/S/ KPMG LLP

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None.

105

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PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Reference is made to the registrant's definitive proxy statement, which will be filed with the Securities and Exchange Commission within 120 days after

December 31, 2017 , and which is incorporated herein by reference.

ITEM 11. EXECUTIVE COMPENSATION

Reference is made to the registrant's definitive proxy statement, which will be filed with the Securities and Exchange Commission within 120 days after

December 31, 2017 , and which is incorporated herein by reference.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

(a) Security ownership of certain beneficial owners

Reference is made to the registrant's definitive proxy statement, which will be filed with the Securities and Exchange Commission within 120 days after

December 31, 2017 , and which is incorporated herein by reference.

(b) Security ownership of management

Reference is made to the registrant's definitive proxy statement, which will be filed with the Securities and Exchange Commission within 120 days after

December 31, 2017 , and which is incorporated herein by reference.

(c) Changes in control

Reference is made to the registrant's definitive proxy statement, which will be filed with the Securities and Exchange Commission within 120 days after

December 31, 2017 , and which is incorporated herein by reference.

(d) Equity compensation plan information

Reference is made to the registrant's definitive proxy statement, which will be filed with the Securities and Exchange Commission within 120 days after

December 31, 2017 , and which is incorporated herein by reference.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

Reference is made to the registrant's definitive proxy statement, which will be filed with the Securities and Exchange Commission within 120 days after

December 31, 2017 , and which is incorporated herein by reference.

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

Reference is made to the registrant's definitive proxy statement, which will be filed with the Securities and Exchange Commission within 120 days after

December 31, 2017 , and which is incorporated herein by reference.

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PART IV

ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a) Index to Financial Statements

The schedules to the consolidated financial statements listed below should be read in conjunction with the consolidated financial statements included in this
Annual Report on Form 10-K. Financial statement schedules not included in this Annual Report on Form 10-K have been omitted because they are not applicable
or required information is shown in the financial statements or notes thereto.

Index to Financial Statement Schedules

Schedule II — Condensed Financial Information of Registrant

Schedule III — Supplementary Insurance Information

Schedule IV — Reinsurance

Schedule V — Valuation and Qualifying Accounts

Schedule VI — Supplementary Information Concerning Property — Casualty Insurance Operations

107

Page
112

116

117

118

119

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Number

( 3.1 )

( 3.2 )

( 3.3 )

( 3.4 )

( 4.1 )

( 4.2 )

( 4.3 )

( 4.4 )

( 4.5 )

( 4.6 )

( 4.7 )

( 4.8 )

( 4.9 )

EXHIBITS

The Company’s Restated Certificate of Incorporation, as amended through May 10, 2004 (incorporated by reference to Exhibits 3.1 and 3.2 of the
Company’s Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on August 6, 2003).

Amendment, dated May 11, 2004, to the Company’s Restated Certificate of Incorporation, as amended (incorporated by reference to Exhibit 3.2 of the
Company’s Quarterly report on Form 10-Q (File No. 1-15202) filed with the Commission on August 5, 2004).

Amendment, dated May 16, 2006, to the Company’s Restated Certificate of Incorporation, as amended (incorporated by reference to Exhibit 3.2 of the
Company’s Current Report on Form 8-K (File No. 1-15202) filed with the Commission on May 17, 2006).

Amended and Restated By-Laws (incorporated by reference to Exhibit 3 (ii) of the Company’s Current Report on Form 8-K (File No. 1-15202) filed
with the Commission on August 5, 2015).

Indenture, dated as of February 14, 2003, between the Company and The Bank of New York, as trustee (incorporated by reference to Exhibit 4.1 of the
Company’s Annual Report on Form 10-K (File No. 1-15202) filed with the Commission of March 31, 2003).

Third Supplemental Indenture, dated as of August 24, 2004, between the Company and The Bank of New York, as Trustee, relating to $150,000,000
principal amount of the Company’s 6.150% Senior Notes due 2019, including form of the Notes as Exhibit A (incorporated by reference to Exhibit 4.4
of the Company’s Annual Report on Form 10-K (File No. 1-15202) filed with the Commission on March 14, 2005).

Fifth Supplemental Indenture, dated as of February 9, 2007, between the Company and The Bank of New York, as Trustee, relating to $250,000,000
principal amount of the Company’s 6.25% Senior Notes due 2037, including form of the Notes as Exhibit A (incorporated by reference to Exhibit 4.7
of the Company’s Annual Report on Form 10-K (File No. 1-15202) filed with the Commission on March 1, 2007).

Sixth Supplemental Indenture, dated as of September 14, 2009, between the Company and The Bank of New York Mellon, as Trustee, relating to
$300,000,000 principal amount of the Company’s 7.375% Senior Notes due 2019, including form of the Notes as Exhibit A (incorporated by reference
to Exhibit 4.7 of the Company’s Annual Report on Form 10-K (File No. 1-15202) filed with the Commission on February 26, 2010).

Seventh Supplemental Indenture, dated as of September 16, 2010, between the Company and The Bank of New York Mellon, as Trustee, relating to
$300,000,000 principal amount of the Company’s 5.375% Senior Notes due 2020, including form of the Notes as Exhibit A (incorporated by reference
to Exhibit 4.2 of the Company’s Current Report on Form 8-K (File No. 1-15202) filed with the Commission on September 16, 2010).

Eighth Supplemental Indenture, dated as of March 16, 2012, between the Company and The Bank of New York Mellon, as Trustee, relating to
$350,000,000 principal amount of the Company’s 4.625% Senior Notes due 2022, including form of the Notes as Exhibit A (incorporated by reference
to Exhibit 4.2 of the Company's Current Report on Form 8-K (File No. 1-15202) filed with the Commission on March 16, 2012).

Ninth Supplemental Indenture, dated as of August 6, 2014, between the Company and The Bank of New York Mellon, as Trustee, relating to
$350,000,000 principal amount of the Company’s 4.75% Senior Notes due 2044, including form of the Notes as Exhibit A (incorporated by reference
to Exhibit 4.2 of the Company's Current Report on Form 8-K (File No. 1-15202) filed with the Commission on August 6, 2014).

Subordinated Indenture, dated as of May 2, 2013, between the Company and The Bank of New York Mellon, as Trustee (incorporated by reference to
Exhibit 4.1 of the Company's Current Report on Form 8-K (File No. 1-15202) filed with the Commission on May 2, 2013).

First Supplemental Indenture, dated as of May 2, 2013, between the Company and The Bank of New York Mellon, as Trustee, relating to
$350,000,000 principal amount of the Company's 5.625% Subordinated Debentures due 2053, including the form of the Securities as Exhibit A
(incorporated by reference to Exhibit 4.2 of the Company's Current Report on Form 8-K (File No. 1-15202) filed with the Commission on May 2,
2013).

108

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000( 4.10 )

Subordinated Indenture, dated as of March 1, 2016, between the Company and The Bank of New York Mellon, as Trustee (incorporated by reference
to Exhibit 4.1 of the Company's Current Report on Form 8-K (File No. 1-15202) filed with the Commission on March 1, 2016).

( 4.11 )

( 4.12 )

First Supplemental Indenture, dated as of March 1, 2016, between the Company and The Bank of New York Mellon, as Trustee, relating to
$110,000,000 principal amount of the Company's 5.9% Subordinated Debentures due 2056, including the form of the Securities as Exhibit A
(incorporated by reference to Exhibit 4.2 of the Company's Current Report on Form 8-K (File No. 1-15202) filed with the Commission on March 1,
2016).

Second Supplemental Indenture, dated as of May 25, 2016, between the Company and The Bank of New York Mellon, as Trustee, relating to
$290,000,000 principal amount of the Company's 5.75% Subordinated Debentures due 2056, including the form of the Securities as Exhibit A
(incorporated by reference to Exhibit 4.2 of the Company's Current Report on Form 8-K (File No. 1-15202) filed with the Commission on May 25,
2016).

(4.13)

The instruments defining the rights of holders of the other long term debt securities of the Company are omitted pursuant to Section (b)(4)(iii)(A) of
Item 601 of Regulation S-K. The Company agrees to furnish supplementally copies of these instruments to the Commission upon request.

( 10.1 ) W. R. Berkley Corporation 2003 Stock Incentive Plan (incorporated by reference to Annex A of the Company’s 2003 Proxy Statement (File No. 1-

15202) filed with the Commission on April 14, 2003).

( 10.2 ) W. R. Berkley Corporation 2012 Stock Incentive Plan (incorporated by reference to Annex A of the Company’s 2015 Proxy Statement (File No. 1-

15202) filed with the Commission on April 20, 2015).

( 10.3 )

Form of 2014 Performance-Based Restricted Stock Unit Agreement under the W. R. Berkley Corporation 2012 Stock Incentive Plan (incorporated by
reference to Exhibit 10.1 of the Company's Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on November 7, 2014).

( 10.4 )

Form of 2015 Performance-Based Restricted Stock Unit Agreement under the W. R. Berkley Corporation 2012 Stock Incentive Plan (incorporated by
reference to Exhibit 10.1 of the Company's Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on November 9, 2015).

( 10.5 )

Form of Restricted Stock Unit Agreement under the W. R. Berkley Corporation 2012 Stock Incentive Plan (incorporated by reference to Exhibit 10.1
of the Company's Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on November 8, 2012).

( 10.6 )

Form of Restricted Stock Unit Agreement under the W. R. Berkley Corporation 2003 Stock Incentive Plan (incorporated by reference to Exhibit 10.2
of the Company’s Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on May 3, 2005).

( 10.7 )

Form of Restricted Stock Unit Agreement under the W. R. Berkley Corporation 2003 Stock Incentive Plan (incorporated by reference to Exhibit 10.1
of the Company’s Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on August 6, 2010).

( 10.8 )

Form of Restricted Stock Unit Agreement for grant of April 4, 2003 (incorporated by reference to Exhibit 10.2 of the Company’s Quarterly Report on
Form 10-Q (File No. 1-15202) filed with the Commission on August 6, 2003).

( 10.9 ) W. R. Berkley Corporation Deferred Compensation Plan for Officers as amended and restated effective December 3, 2007 (incorporated by reference

to Exhibit 10.4 of the Company’s Current Report on Form 8-K (File No. 1-15202) filed with the Commission on December 19, 2007).

( 10.10 ) W. R. Berkley Corporation Deferred Compensation Plan for Directors as amended and restated effective December 3, 2007 (incorporated by reference

to Exhibit 10.2 of the Company’s Current Report on Form 8-K (File No. 1-15202) filed with the Commission on December 19, 2007).

( 10.11 ) W. R. Berkley Corporation 2007 Annual Incentive Compensation Plan (incorporated by reference to Annex A of the Company’s 2006 Proxy

Statement (File No. 1-15202) filed with the Commission on April 18, 2006).

( 10.12 ) W. R. Berkley Corporation Amended and Restated Annual Incentive Compensation Plan (incorporated by reference to Annex A of the Company's

2016 Proxy Statement (File No. 1-15202) filed with the Commission on April 15, 2016).

109

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000( 10.13 ) W. R. Berkley Corporation 2009 Long-Term Incentive Plan (incorporated by reference to Annex A of the Company’s 2009 Proxy Statement (File No.

1-15202) filed with the Commission on April 17, 2009).

( 10.14 )

Form of 2011 Performance Unit Award Agreement under the W. R. Berkley Corporation 2009 Long-Term Incentive Plan (incorporated by reference
to Exhibit 10.12 of the Company's Annual Report on Form 10-K (File No. 1-15202) filed with the Commission on February 28, 2012).

( 10.15 ) W. R. Berkley Corporation 2014 Long-Term Incentive Plan (incorporated by reference to Annex A of the Company’s 2014 Proxy Statement (File No.

1-15202) filed with the Commission on April 7, 2014).

( 10.16 )

Form of 2014 Performance Unit Award Agreement under the W. R. Berkley Corporation 2014 Long-Term Incentive Plan (incorporated by reference
to Exhibit 10.1 of the Company’s Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on May 12, 2014).

( 10.17 )

Form of 2015 Performance Unit Award Agreement under the W. R. Berkley Corporation 2014 Long-Term Incentive Plan (incorporated by reference
to Exhibit 10.1 of the Company’s Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on May 4, 2015).

( 10.18 )

Form of 2016 Performance Unit Award Agreement under the W. R. Berkley Corporation 2014 Long-Term Incentive Plan (incorporated by reference
to Exhibit 10.1 of the Company’s Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on May 10, 2016).

( 10.19 ) W. R. Berkley Corporation 2009 Directors Stock Plan (incorporated by reference to Annex B of the Company’s 2015 Proxy Statement (File No. 1-

15202) filed with the Commission on April 20, 2015).

( 10.20 )

Supplemental Benefits Agreement between William R. Berkley and the Company as amended and restated as of December 21, 2011 (incorporated by
reference to Exhibit 10.14 of the Company's Annual Report on Form 10-K (File No. 1-15202) filed with the Commission on February 28, 2012).

( 10.21 )

Form of Dividend Equivalent Rights Award Agreement Under the W. R. Berkley Corporation 2012 Stock Incentive Plan (incorporated by reference to
Exhibit 10.1 of the Company’s Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on August 7, 2015).

( 10.22 )

Form of 2017 Performance-Based Restricted Stock Unit Agreement Under the W. R. Berkley Corporation 2012 Stock Incentive Plan (incorporated by
reference to Exhibit 10.1 of the Company’s Quarterly Report on Form 10-Q (File No. 1-15202) filed with the Commission on November 8, 2017).

( 14 )

Code of Ethics for Senior Financial Officers (incorporated by reference to Exhibit 14 of the Company’s Annual Report on Form 10-K (File No. 1-
15202) filed with the Commission on March 14, 2005).

( 21 )

List of the Company’s subsidiaries.

( 23 )

Consent of Independent Registered Public Accounting Firm.

( 31.1 )

Certification of the Chief Executive Officer pursuant to Rule 13a-14(a)/ 15d-14(a).

( 31.2 )

Certification of the Chief Financial Officer pursuant to Rule 13a-14(a)/ 15d-14(a).

( 32.1 )

Certification of the Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002.

ITEM 16. FORM 10-K Summary

None.

110

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its

behalf by the undersigned, thereunto duly authorized.

SIGNATURES

W. R. BERKLEY CORPORATION

By

/s/  W. Robert Berkley, Jr.

W. Robert Berkley, Jr., President and Chief Executive Officer

February 23, 2018

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant

and in the capacities and on the dates indicated.

Signature

Title

Date

/s/ William R. Berkley

William R. Berkley

/s/  W. Robert Berkley, Jr.

W. Robert Berkley, Jr.

/s/  Christopher L. Augostini

Christopher L. Augostini

/s/ Ronald E. Blaylock

Ronald E. Blaylock

/s/  Mark E. Brockbank

Mark E. Brockbank

/s/  Mary C. Farrell

Mary C. Farrell

/s/  María Luisa Ferré

María Luisa Ferré

/s/  Jack H. Nusbaum

Jack H. Nusbaum

/s/  Mark L. Shapiro

Mark L. Shapiro

/s/ Richard M. Baio

Richard M. Baio

Executive Chairman

of the Board of Directors

February 23, 2018

President, Chief Executive Officer

February 23, 2018

and Director

(Principal executive officer)

Director

February 23, 2018

Director

Director

Director

Director

Director

Director

February 23, 2018

February 23, 2018

February 23, 2018

February 23, 2018

February 23, 2018

February 23, 2018

Senior Vice President,

February 23, 2018

Chief Financial Officer and Treasurer

(Principal financial officer
and principal accounting officer)

111

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000W. R. Berkley Corporation
Condensed Financial Information of Registrant
Balance Sheets (Parent Company)

Schedule II

(In thousands)

Assets:

Cash and cash equivalents

Fixed maturity securities available for sale at fair value (cost $1,059,834 and $899,206 at December 31, 2017 and 2016,

respectively)

Loans receivable

Equity securities available for sale, at fair value (cost $3,430 in 2017 and 2016)

Investment in subsidiaries

Current federal income taxes

Property, furniture and equipment at cost, less accumulated depreciation

Other assets

Total assets

Liabilities and stockholders’ equity

Liabilities:

Due to subsidiaries

Other liabilities

Current federal income taxes

Deferred federal income taxes

Subordinated debentures

Senior notes

Total liabilities

Stockholders’ equity:

Preferred stock

Common stock

Additional paid-in capital

Retained earnings (including accumulated undistributed net income of subsidiaries of $5,073,268 and $4,850,878 at

December 31, 2017 and 2016, respectively)

Accumulated other comprehensive income

Treasury stock, at cost

Total stockholders’ equity

Total liabilities and stockholders’ equity

________________

See Report of Independent Registered Public Accounting Firm and note to condensed financial statements.

112

December 31,

2017

2016

$

45,062

$

124,803

$

$

1,052,240

53,019

3,430

894,748

23,419

3,430

7,140,108

6,891,246

—

14,421

10,819

15,455

14,798

7,122

8,319,099

$

7,975,021

232,756

$

128,002

10,486

51,757

728,218

1,756,536

2,907,755

—

47,024

234,014

120,160

—

90,966

727,630

1,755,043

2,927,813

—

47,024

1,048,283

1,037,446

6,956,882

68,541

(2,709,386)

5,411,344

$

8,319,099

$

6,595,987

55,568

(2,688,817)

5,047,208

7,975,021

1012270in_10k.indd 117

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000W. R. Berkley Corporation
Condensed Financial Information of Registrant, Continued
Statements of Income (Parent Company)

Schedule II, Continued

(In thousands)
Management fees and investment income including dividends from subsidiaries of $694,462,

Year Ended December 31,

2017

2016

2015

$700,664 and $642,421 for the years ended December 31, 2017, 2016 and 2015, respectively $

738,923

$

726,742

$

655,318

Net investment (losses) gains

Other income

Total revenues

Operating costs and expense

Interest expense

Income before federal income taxes

Federal income taxes:

Federal income taxes provided by subsidiaries on a separate return basis

Federal income tax expense on a consolidated return basis

  Net expense

Income before undistributed equity in net income of subsidiaries

Equity in undistributed net income of subsidiaries

  Net income

________________

(4,286)

805

735,442

182,145

146,929

406,368

115,597

(195,261)

(79,664)

326,704

222,390

909

376

728,027

171,967

139,216

416,844

327,520

(246,389)

81,131

497,975

103,941

$

549,094

$

601,916

$

696

348

656,362

143,391

128,248

384,723

272,180

(199,322)

72,858

457,581

46,113

503,694

See Report of Independent Registered Public Accounting Firm and note to condensed financial statements.

113

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000W. R. Berkley Corporation
Condensed Financial Information of Registrant, Continued
Statements of Cash Flows (Parent Company)

Schedule II, Continued

(In thousands)
Cash flows from operating activities:

Net income

Adjustments to reconcile net income to net cash from operating activities:

Net investment gains (losses)

Depreciation and amortization

Equity in undistributed earnings of subsidiaries

Tax payments received from subsidiaries

Federal income taxes provided by subsidiaries on a separate return basis

Stock incentive plans

Change in:

Federal income taxes

Other assets

Other liabilities

Accrued investment income

Net cash from operating activities

Cash (used in) from investing activities:

Proceeds from sales of fixed maturity securities

Proceeds from maturities and prepayments of fixed maturity securities

Proceeds from sales of equity securities

Cost of purchases of fixed maturity securities

Change in loans receivable

Investments in and advances to subsidiaries, net

Net additions to real estate, furniture & equipment

Net cash (used in) from investing activities

Cash (used in) from financing activities:

Net proceeds from issuance of senior notes

Repayment of senior notes

Purchase of common treasury shares

Cash dividends to common stockholders

Net cash (used in) from financing activities

Net (decrease) increase in cash and cash equivalents

Cash and cash equivalents at beginning of year

Cash and cash equivalents at end of year

________________
See Report of Independent Registered Public Accounting Firm and note to condensed financial statements.

114

Year Ended December 31,

2017

2016

2015

$

549,094

$

601,916

$

503,694

4,286

2,039

(222,390)

98,313

(115,597)

38,075

2,711

(877)

18,661

(2,818)

371,497

849,330

316,611

—

3,649

2,744

(103,941)

414,386

(327,520)

37,174

44,839

1,772

(88,282)

(2,743)

583,994

373,252

210,904

—

(696)

2,693

(46,113)

311,482

(272,180)

29,725

51,772

301

(92,752)

524

488,450

380,986

123,639

308

(1,329,379)

(1,285,101)

(432,645)

(29,600)

(21,139)

(1,055)

(23,419)

11,471

(3,042)

(215,232)

(715,935)

—

—

(47,807)

(188,199)

(236,006)

(79,741)

124,803

386,830

(9,353)

(132,392)

(183,999)

61,086

(70,855)

195,658

$

45,062

$

124,803

$

—

30,338

(4,425)

98,201

—

(200,000)

(223,652)

(58,034)

(481,686)

104,965

90,693

195,658

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000W. R. Berkley Corporation

Condensed Financial Information of Registrant, Continued

December 31, 2017

Note to Condensed Financial Statements (Parent Company)

The accompanying condensed financial statements should be read in conjunction with the notes to consolidated financial statements included elsewhere
herein. Reclassifications have been made in the 2016 and 2015 financial statements as originally reported to conform them to the presentation of the 2017 financial
statements.

The Company files a consolidated federal tax return with the results of its domestic insurance subsidiaries included on a statutory basis. Under present
Company policy, federal income taxes payable by subsidiary companies on a separate-return basis are paid to W. R. Berkley Corporation, and the Company pays
the tax due on a consolidated return basis.

115

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000W. R. Berkley Corporation and Subsidiaries
Supplementary Insurance Information
December 31, 2017 , 2016 and 2015

Schedule III

Deferred
Policy
Acquisition
Cost

Reserve for
Losses and
Loss
Expenses

Unearned
Premiums

Net
Premiums
Earned

Net
Investment
Income

Loss and
Loss
Expenses

Amortization
of
Deferred
Policy
Acquisition
Cost

Other
Operating
Costs
and
Expenses

Net
Premiums
Written

$ 435,967

$ 9,820,258

$3,039,343

$5,706,443

$ 436,178

$3,516,996

$

929,793

$1,026,545

$5,715,871

(In thousands)

December 31, 2017

Insurance

Reinsurance

Total

December 31, 2016

Insurance

Reinsurance

Total

December 31, 2015

Insurance

Reinsurance

Corporate and adjustments

—

—

—

—

71,582

1,850,150

250,837

604,976

91,146

48,464

485,352

181,696

—

—

44,349

254,549

544,637

—

$

507,549

$11,670,408

$ 3,290,180

$ 6,311,419

$

575,788

$ 4,002,348

$

1,111,489

$ 1,325,443

$ 6,260,508

$

442,317

$ 9,445,210

$ 2,975,060

$ 5,618,842

$

431,489

$ 3,430,139

$

964,064

$

954,858

$ 5,743,620

Corporate and adjustments

—

—

—

—

95,573

1,751,985

308,240

674,506

102,617

30,057

415,661

191,890

—

—

71,305

213,502

680,293

—

$

537,890

$11,197,195

$ 3,283,300

$ 6,293,348

$

564,163

$ 3,845,800

$

1,155,954

$ 1,239,665

$ 6,423,913

$

426,036

$ 8,857,342

$ 2,834,691

$ 5,393,166

$

386,801

$ 3,279,219

$

918,901

$

927,095

$ 5,555,437

Corporate and adjustments

—

—

—

—

87,092

1,811,808

302,442

647,443

97,882

27,962

377,051

183,591

—

—

64,477

195,686

634,078

—

Total

$

513,128

$10,669,150

$ 3,137,133

$ 6,040,609

$

512,645

$ 3,656,270

$

1,102,492

$ 1,187,258

$ 6,189,515

__________________________
See Report of Independent Registered Public Accounting Firm.

116

1012270in_10k.indd 121

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000W. R. Berkley Corporation and Subsidiaries
Reinsurance
Years ended December 31, 2017 , 2016 and 2015

Schedule IV

Premiums Written

Direct
Amount

Ceded
to Other
Companies

Assumed
from Other
Companies

Net
Amount

Percentage
of Amount
Assumed
to Net

$

$

$

$

$

$

6,707,916

18,113

6,726,029

6,634,540

13,060

6,647,600

6,395,806

16,727

6,412,533

$

$

$

$

$

$

1,153,960

62,495

1,216,455

1,051,887

67,901

1,119,788

1,009,711

50,767

1,060,478

$

$

$

$

$

$

161,915

589,019

750,934

160,967

735,134

896,101

169,342

668,118

837,460

$

$

$

$

$

$

5,715,871

544,637

6,260,508

5,743,620

680,293

6,423,913

5,555,437

634,078

6,189,515

2.8%

108.1%

12.0%

2.8%

108.1%

13.9%

3.0%

105.4%

13.5%

(In thousands, other than percentages)
Year ended December 31, 2017

Insurance

Reinsurance

Total

Year ended December 31, 2016

Insurance

Reinsurance

Total

Year ended December 31, 2015

Insurance

Reinsurance

Total

___________________________

See Report of Independent Registered Public Accounting Firm.

117

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000(In thousands)

Year ended December 31, 2017

Premiums and fees receivable

Due from reinsurers

Deferred federal and foreign income taxes

Loan loss reserves

Total

Year ended December 31, 2016

Premiums and fees receivable

Due from reinsurers

Deferred federal and foreign income taxes

Loan loss reserves

Total

Year ended December 31, 2015

Premiums and fees receivable

Due from reinsurers

Deferred federal and foreign income taxes

Loan loss reserves

Total

_______________________
See Report of Independent Registered Public Accounting Firm.

W. R. Berkley Corporation and Subsidiaries
Valuation and Qualifying Accounts
Years ended December 31, 2017 , 2016 and 2015

Schedule V

Opening
Balance

Additions-
Charged to
Expense

Deduction-
Amounts
Written Off

Ending
Balance

26,569

$

20,720

$

(7,363)

$

1,049

5,457

3,397

36,472

22,524

1,020

4,037

2,094

29,675

21,446

1,144

1,335

2,486

$

$

$

$

(29)

12,663

(14)

33,340

10,006

20

1,420

1,303

12,749

6,281

(24)

2,702

(392)

$

$

$

$

(10)

(1,501)

—

(8,874)

$

39,926

1,010

16,619

3,383

60,938

(5,961)

$

26,569

9

—

—

1,049

5,457

3,397

(5,952)

$

36,472

(5,203)

$

22,524

(100)

—

—

1,020

4,037

2,094

26,411

$

8,567

$

(5,303)

$

29,675

$

$

$

$

$

$

118

1012270in_10k.indd 123

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000W. R. Berkley Corporation and Subsidiaries
Supplementary Information Concerning Property-Casualty Insurance Operations
Years Ended December 31, 2017 , 2016 and 2015

Schedule VI

(In thousands)

Deferred policy acquisition costs

Reserves for losses and loss expenses

Unearned premiums

Net premiums earned

Net investment income

Losses and loss expenses incurred:

Current year

Prior years

Loss reserve discount accretion

Amortization of deferred policy acquisition costs

Paid losses and loss expenses

Net premiums written

___________________
See Report of Independent Registered Public Accounting Firm.

119

2017

2016

2015

$

507,549

$

537,890

$

513,128

11,670,408

11,197,195

10,669,150

3,290,180

6,311,419

575,788

3,283,300

6,293,348

564,163

3,137,133

6,040,609

512,645

3,963,543

3,826,620

3,653,561

(5,165)

43,970

1,111,489

3,589,955

6,260,508

(29,904)

49,084

1,155,954

3,454,174

6,423,913

(46,713)

49,422

1,102,492

3,257,015

6,189,515

1012270in_10k.indd 124

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Pleasecarefullydoafinalreviewofartandtexttoinsurecorrectnessandaccuracy.Digitalcolorrepresentationmaynotbeaccurate,useactualPantonecolorspecifications.Afterclient’sfinalapprovalisreceived,SandyAlexanderisnotresponsibleforerrorsorlegalcompliance.Anychangesmadeafterreceiptofclient’sfinalapprovalofartandtextisclient’sresponsibility.Dielinesandcall-outsexistonindividuallayerstoberemovedpriortoprocessing.Customer Name:Date:Operator:CSR:JobNumber:FileName:Page Size:File URL:200 Entin Road | Clifton, NewJersey 07014 | p 973.470.8100 | f 973.470.9269 |www.sandyinc.com13-Mar-181012270in_10k_T1012270insanjfs5.sa1.com/Sandy/1012270intmurrayBill RobsonINC Design_941K8.2500 X 12.0000Operating Units

BERKLEY INSURANCE COMPANY
475 Steamboat Road 
Greenwich, Connecticut 06830 
Tel: (203) 542 3800

William R. Berkley, Chairman
W. Robert Berkley, Jr., President and Chief Executive Officer

BERKLEY ACCIDENT AND HEALTH
2445 Kuser Road, Suite 201
Hamilton Square, New Jersey 08690
Tel: (609) 584 6990
www.berkleyah.com

Christopher C. Brown, President and Chief Executive Officer

INSURANCE
ACADIA INSURANCE GROUP
One Acadia Commons 
Westbrook, Maine 04092 
Tel: (800) 773 4300 
www.acadiainsurance.com

Douglas M. Nelson, President

Albany, New York  
Bedford, New Hampshire 
Colchester, Vermont 
Marlborough, Massachusetts 
Rocky Hill, Connecticut 
Syracuse, New York 

ADMIRAL INSURANCE GROUP
1000 Howard Boulevard, Suite 300 
P. O. Box 5430 
Mount Laurel, New Jersey 08054 
Tel: (856) 429 9200 
www.admiralins.com

Scott R. Barraclough, President

Tel: (800) 773 4300
Tel: (800) 224 8850
Tel: (800) 224 8847
Tel: (888) 665 1170
Tel: (866) 382 0036
Tel: (866) 811 7722

Atlanta, Georgia 
Austin, Texas 
Chicago, Illinois 
Seattle, Washington 

Tel: (770) 476 1561
Tel: (512) 795 0766
Tel: (312) 705 1121
Tel: (206) 467 6511

AMERICAN MINING INSURANCE GROUP
3490 Independence Drive
Birmingham, Alabama 35209 
Tel: (205) 870 3535 
www.americanmining.com

Chandler F. Cox, Jr., President and Chief Executive Officer

Bettendorf, Iowa   
Las Vegas, Nevada 
Lexington, Kentucky 

Tel: (563) 345 6311
Tel: (702) 754 5800
Tel: (859) 971 1955

Atlanta, Georgia 
Charlotte, North Carolina 
Chicago, Illinois 
Cleveland, Ohio 
Dallas, Texas 
Denver, Colorado  
Hamilton Square, New Jersey 
Hartford, Connecticut 
Kansas City, Kansas 
Marlborough, Massachusetts 
Minneapolis, Minnesota 
Philadelphia, Pennsylvania   
San Francisco, California 
Seattle, Washington 

Tel: (678) 387 1824
Tel: (980) 214 1353
Tel: (312) 368 1115
Tel: (440) 728 1805
Tel: (972) 849 7406
Tel: (303) 667 5198
Tel: (973) 616 0685
Tel: (860) 380 1190
Tel: (913) 515 7374
Tel: (508) 573 6102
Tel: (303) 667 5198
Tel: (908) 415 2711
Tel: (480) 529 6787
Tel: (425) 401 4246

Berkley Accident & Health Special Risk Division
757 Third Avenue, 10th Floor
New York, New York 10017
Tel: (212) 822 3333

Susan M. Clarke, President

BERKLEY AGRIBUSINESS
11201 Douglas Avenue
Urbandale, Iowa 50322 
Tel: (866) 382 7314
www.berkleyag.com

Michael Ekiss, President

BERKLEY ALLIANCE MANAGERS
30 South Pearl Street, 6th Floor
Albany, New York 12138 
Tel: (518) 407 0088

Stephen L. Porcelli, President

Berkley Construction Professional
Tel: (405) 805 6635
www.berkleycp.com

Berkley Design Professional
Tel: (405) 805 6635
www.berkleydp.com

W. R. Berkley Corporation   |   2017 Annual Report   |   165

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Berkley Service Professionals
Berkley Managers Insurance Services, LLC
San Diego, California
Tel: (405) 805 6635
www.berkleysp.com

Berkley Custom Insurance Services, LLC
Los Angeles, California 

Tel: (213) 417 5431

BXM Insurance Services, Inc.
Chicago, Illinois 
Los Angeles, California 

Tel: (312) 605 4660
Tel: (213) 417 5431

Tel: (704) 759 7049
Tel: (804) 237 5273
Tel: (208) 898 5168
Tel: (866) 412 7742

Tel: (678) 987 1755
Tel: (617) 747 4144
Tel: 44 (0) 20 7088 1900

BERKLEY ASPIRE
14902 North 73rd Street
Scottsdale, Arizona 85260
Tel: (480) 444 5950
www.berkleyaspire.com

Miklos F. Kallo, President

Charlotte, North Carolina 
Glen Allen, Virginia 
Meridian, Idaho 
Scottsdale, Arizona 

BERKLEY AVIATION
1101 Anacapa Street, Suite 200
Santa Barbara, California 93101
Tel: (805) 898 7640 
www.berkleyaviation.com

Peter Jarrett, President

Atlanta, Georgia 
Boston, Massachusetts 
London, England 

BERKLEY CANADA
145 King Street West, Suite 1000
Toronto, Ontario M5H 1J8
Tel: (416) 304 1178
www.berkleycanada.com

1002, Rue Sherbrooke Ouest
Bureau 2220
Montreal, Quebec H3A 3L6
Tel: (514) 842 5587

Andrew Steen, President

BERKLEY CUSTOM INSURANCE
Three Stamford Plaza
301 Tresser Boulevard, 8th Floor
Stamford, Connecticut 06901
Tel: (203) 658 1500
www.berkleycustom.com

Michael P. Fujii, President and Chief Executive Officer

166   |

BERKLEY CYBER RISK SOLUTIONS
412 Mount Kemble Avenue, Suite G50
Morristown, New Jersey 07960
Tel: (973) 775 7491
www.berkleycyberrisk.com

Tracey Vispoli, President

BERKLEY ENTERTAINMENT
600 East Colinas Boulevard, Suite 1400
Irving, Texas 75039
Tel: (972) 819 8980
www.berkleyentertainment.com

Cindy Broschart, President

BERKLEY ENVIRONMENTAL
101 Hudson Street, Suite 2550
Jersey City, New Jersey 07302
Tel: (201) 748 3100
www.berkleyenvironmental.com

Kenneth J. Berger, President

Atlanta, Georgia 
Boston, Massachusetts 
Chicago, Illinois 
Philadelphia, Pennsylvania 
Irving, Texas 
Jersey City, New Jersey 

Tel: (404) 443 2117
Tel: (857) 265 7479
Tel: (404) 443 2082
Tel: (215) 533 7360
Tel: (972) 819 8863
Tel: (201) 748 3047

Berkley Managers Insurance Services, LLC
Walnut Creek, California 

Tel: (925) 472 8210

BERKLEY FINSECURE
849 Fairmount Avenue, Suite 301
Towson, Maryland 21286 
Tel: (866) 539 3995
www.berkleyfinsecure.com

Michael G. Connor, President

Niles, Michigan 

Berkley Crime
29 South Main Street, 3rd Floor
West Hartford, Connecticut 06107
Tel: (844) 44 CRIME
www.berkleycrime.com

Tel: (866) 539 3995
ext 6325

 
 
 
 
 
 
 
 
 
 
 
 
DARYL G. 
Senior Claims Advisor
Berkley Environmental

“  The most rewarding part of my role at 

Berkley Environmental is getting to help our 
customers in their time of need. Being a part 
of Berkley is a rewarding experience as 
Berkley fosters growth and professional 
development. The Berkley values that I try to 
instill in my daughter are integrity, honesty 
and the value of hard work.”

“My dad goes on his laptop and drinks his coffee.”

  Angelina—Age 11, Daughter of Daryl G., Senior Claims Advisor

BERKLEY FIRE & MARINE UNDERWRITERS
425 North Martingale Road, Suite 1520 
Schaumburg, Illinois 60173 
Tel: (844) 462 3600 
www.berkleymarine.com

John T. Geary, President

BERKLEY INSURANCE AUSTRALIA
Level 7, 321 Kent Street
Sydney NSW 2000, Australia
Tel: 61 (2) 9275 8500
www.berkleyinaus.com.au

Tony Wheatley, Chief Executive Officer

BERKLEY GLOBAL PRODUCT RECALL MANAGEMENT
80 Broad Street, 32nd Floor 
New York, New York 10004 
Tel: (212) 413 2499

Adelaide SA, Australia 
Brisbane QLD, Australia 
Melbourne VIC, Australia 
Perth WA, Australia 

Tel: 61 (8) 8232 2767 
Tel: 61 (7) 3220 9900
Tel: 61 (3) 8622 2000
Tel: 61 (8) 6488 0900

Louis Lubrano, President

Dallas, Texas 
London, England 

  Tel: (972) 552 6100
  Tel: 44 (0) 20 7088 1900

Berkley Managers Insurance Services, LLC
Los Angeles, California 
San Francisco, California 

  Tel: (213) 372 1727
  Tel: (415) 417 5950

BERKLEY HEALTHCARE
Berkley Healthcare Professional Insurance Services, LLC
220 Petaluma Avenue, Suite A
Sebastopol, California 95472 
Tel: (707) 829 4740
www.berkleyhpl.com

Peter Bergmann, Executive Vice President

BERKLEY HUMAN SERVICES
222 South Ninth Street, Suite 2500
Minneapolis, Minnesota 55402
Tel: (612) 766 3100
www.berkleyhumanservices.com

Roger M. Nulton, President

BERKLEY INSURANCE ASIA 
www.berkleyasia.com

Room 4407, 44/F Hopewell Centre
183 Queen’s Road East
Wan Chai, Hong Kong
Tel: (852) 3708 5000

18 Cross Street
Unit 07-01, China Square Central
Singapore 048423
Tel: (65) 6902 0601

30th Floor, Shanghai Tower
No. 501 Middle Yincheng Road
Pudong, Shanghai 200120
Tel: 86 (0) 21 6162 8122

Shasi N. Gangadharan, Chief Executive Officer

168   |

BERKLEY INTERNATIONAL LATINOAMÉRICA
Berkley International Seguros S.A. 
Berkley International Aseguradora de Riesgos del Trabajo S.A. 
Berkley Argentina de Reaseguros S.A. 
Carlos Pellegrini 1023, Piso 8
C1009ABU Buenos Aires, Argentina
Tel: 54 (11) 4378 8100
www.berkley.com.ar

Bartolomé Mitre 699
S2000COM Rosario, Argentina
Tel: 54 (34) 1 410 4200

Eduardo I. Llobet, President and Chief Executive Officer

Berkley International do Brasil Seguros S.A.
Avenida Presidente Juscelino Kubitschek, 1455
15º andar - cj. 151 Vila Nova Conceição
04543-011 São Paulo, Brazil
Tel: 55 (11) 3848 8622
www.berkley.com.br

José Marcelino Risden, President and Chief Executive Officer

Berkley International Fianzas México, S.A. de C.V.
Avenida Empresarios 255
Torre Icon 23, Piso 10B
Col. Puerta de Hierro, Zapopan, Jal, 45116, México
Tel: 52 (33) 3648 7474
www.berkleymex.com

Guillermo Espinosa Barragan, President  
  and Chief Executive Officer

Berkley International Puerto Rico, LLC
Atrium Office Center
530 Avenida de la Constitución
San Juan, Puerto Rico 00901
Tel: (787) 289 7846

Eduardo I. Llobet, President

Berkley International Seguros Colombia S.A.
Carrera 7 # 71 – 21 Torre B, Oficina 1002
110231 Bogotá, Colombia
Tel: 57 (1) 357 2727
www.berkley.com.co

Sylvia Luz Rincón, President and Chief Executive Officer

 
 
 
 
 
 
 
 
BRIAN D. 
Vice President, Marketing & Business Development
Berkley Net

“ Over the past 12 years, Berkley has given 

me the chance to help launch a startup and 
grow it into a thriving, successful company. 
My experience with Berkley has reinforced 
many life lessons that I impart as a parent:  
surround yourself with good people, 
embrace a healthy mix of ownership and 
teamwork, and always be ready to adapt.”

“Daddy uses his ‘serious voice’ when on the phone!”

  Parker—Age 10, Daughter of Brian D., Vice President, Marketing & Business Development

Berkley International Seguros México, S.A. de C.V. 
Avenida Santa Fe 505
Piso 17, Oficina 1702
Cruz Manca, Cuajimalpa de Morelos, 05349, México
Tel: 52 (55) 1037 5300
www.berkleymex.com

Javier García Ortíz de Zárate, President  
  and Chief Executive Officer

Berkley International Seguros S.A. (Uruguay)
Rincón 391, Piso 5
11100 Montevideo, Uruguay
Tel: (598) 2916 6998
www.berkley.com.uy

Eduardo I. Llobet, President

Berkley Latin America and Caribbean Managers
600 Brickell Avenue, Suite 3900
Miami, Florida 33131 
Tel: (305) 921 6200

Eduardo I. Llobet, President and Chief Executive Officer

Berkley Insurance Company  
Representative Office in Colombia
Carrera 11 No. 77ª-49/65, Oficina 202
Edificio Semana
110231 Bogotá, Colombia 
Tel: 57 (1) 744 4015

Jaime Aramburo, Director

Representative Office in Mexico
Avenida Santa Fe 505
Piso 17, Oficina 1702
Cruz Manca, Cuajimalpa de Morelos, 05349, México
Tel: 52 (55) 1037 5300
www.berkleymex.com

Hiram García, Director

BERKLEY LIFE SCIENCES
200 PrincetonSouth Corporate Center, Suite 250
Ewing, New Jersey 08628
Tel: (609) 844 7800
www.berkleyls.com

Jill E. Wadlund, President

Naperville, Illinois 

  Tel: (630) 210 0369

Berkley LS Insurance Solutions, LLC
Walnut Creek, California 

  Tel: (925) 472 8190

170   |

BERKLEY LUXURY GROUP
301 Route 17 North, Suite 900
Rutherford, New Jersey 07070
Tel: (201) 518 2500
www.berkleyluxurygroup.com

William J. Johnston, President

Chicago, Illinois 

Tel: (312) 881 1456

Berkley Fine Dining Specialists
Tel: (800) 504 7012
www.berkleyfinedining.com

Berkley Luxury Real Estate Specialists
Tel: (800) 504 7012
www.berkleyluxuryrealestate.com

BERKLEY MEDICAL EXCESS UNDERWRITERS
16305 Swingley Ridge Road, Suite 450
Chesterfield, Missouri 63017 
Tel: (800) 523 3815
www.berkleymed.com

Collin J. Suttie, President

Berkley Managers Insurance Services, LLC
San Diego, California 

Tel: (858) 812 2935

BERKLEY MEDICAL MANAGEMENT SOLUTIONS
10851 Mastin Boulevard, Suite 200
Overland Park, Kansas 66210
Tel: (913) 401 2001
www.berkleymms.com

Patricia L. Onion, Chief Executive Officer

BERKLEY MID-ATLANTIC GROUP
4820 Lake Brook Drive, Suite 300
Glen Allen, Virginia 23060
Tel: (804) 285 2700 
www.wrbmag.com

John F. Kearns, President

Columbus, Ohio 
Glen Allen, Virginia 
Harrisburg, Pennsylvania 
Pittsburgh, Pennsylvania 

BERKLEY NET UNDERWRITERS
9301 Innovation Drive, Suite 200 
Manassas, Virginia 20110
Tel: (877) 497 2637
www.berkleynet.com

James B. Gilbert, President

Tel: (800) 283 1153
Tel: (800) 283 1153
Tel: (800) 283 1153
Tel: (800) 283 1153

 
 
 
 
 
 
 
CLAUDIA H. 
Major Case Claims Examiner
Preferred Employers Group

“ What makes being a part of the Berkley team special for me is that I am 

given the ability and the tools to effectively help people during very difficult 
times in their lives and I get the satisfaction of knowing that I am making a 
difference by easing some of their concerns and assuring them that I work 
for a company that genuinely cares. This is something that I am very proud 
to teach my nephew and I hope one day he chooses a career path with a 
company that does the same.”

“I think that my Nina helps people that get hurt at work.”

  Kingston—Age 7, Nephew of Claudia H., Major Case Claims Examiner

BERKLEY NORTH PACIFIC GROUP
13920 SE Eastgate Way, Suite 120
Bellevue, Washington 98005
Tel: (877) 316 9038
www.berkleynpac.com

Christopher R. Rourke, President

Meridian, Idaho 
Portland, Oregon 
Salt Lake City, Utah 

Tel: (800) 480 2942
Tel: (800) 480 2942
Tel: (800) 480 2942

BERKLEY OFFSHORE UNDERWRITING MANAGERS
757 Third Avenue, 10th Floor
New York, New York 10017
Tel: (212) 618 2950
www.berkleyoffshore.com

Frank A. Costa, President

Houston, Texas 

Tel: (832) 547 2900

Berkley Offshore Underwriting Managers UK, Limited
40 Lime Street, 7th Floor
London EC3M 7AW, England
Tel: 44 (0) 20 7337 1400

R. Christian Walker, Executive Vice President

BERKLEY OIL & GAS
2107 CityWest Boulevard, 8th Floor
Houston, Texas 77042 
Tel: (877) 972 2264
www.berkleyoil-gas.com

Carol A. Randall, President

Berkley Renewable Energy
230 West Monroe, Suite 220
Chicago, Illinois 60606 
Tel: (312) 725 7222
www.berkleyrenewable.com

BERKLEY ONE
412 Mount Kemble Avenue, Suite G50
Morristown, New Jersey 07960
Tel: (203) 542 3301
www.berkleyone.com

Kathleen M. Tierney, President

BERKLEY PROFESSIONAL LIABILITY
757 Third Avenue, 10th Floor
New York, New York 10017  
Tel: (212) 618 2900
www.berkleypro.com

John R. Benedetto, President

172   |

London, England 
Schaumburg, Illinois 
Toronto, Ontario 

Tel: 44 (0) 20 7088 1916
Tel: (630) 237 3650
Tel: (416) 304 1178

Berkley Transactional
412 Mount Kemble Avenue, Suite G50
Morristown, New Jersey 07960
Tel: (973) 775 7499
www.berkleytransactional.com

Randolph Hein, President

BERKLEY PROGRAM SPECIALISTS
1250 East Diehl Road, Suite 200
Naperville, Illinois 60563
Tel: (630) 210 0360 
www.berkley-ps.com

Gregory A. Douglas, President

Berkley Equine & Cattle Division 
3655 North Point Parkway, Suite 625
Alpharetta, Georgia 30005 
Tel: (866) 298 5525
www.berkleyequine.com

BERKLEY PUBLIC ENTITY MANAGERS
30 South 17th Street, Suite 820
Philadelphia, Pennsylvania 19103
Tel: (215) 553 7384
www.bpem.com

Richard B. Vincelette, President

Minneapolis, Minnesota 
Morristown, New Jersey 
New York, New York 

Tel: (612) 766 3827
Tel: (215) 861 6092
Tel: (212) 922 9458

BERKLEY RISK
222 South Ninth Street, Suite 2700
Minneapolis, Minnesota 55402
Tel: (612) 766 3000 
www.berkleyrisk.com

John M. Goodwin, President

Council Bluffs, Iowa 
Denver, Colorado 
Nashville, Tennessee 
Scottsdale, Arizona 
St. Paul, Minnesota 

BERKLEY SELECT
233 South Wacker Drive, Suite 3900
Chicago, Illinois 60606 
Tel: (312) 800 6200
www.berkleyselect.com

Joseph G. Shores, President

Tel: (800) 832 0137
Tel: (303) 357 2600
Tel: (615) 493 7746
Tel: (602) 996 8810
Tel: (651) 281 1200

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PEGGY G. 
Senior Risk Assistant II
Vela Insurance Services

“ I’ve been with Vela for over 12 years. In that time, I’ve come to 

appreciate the complexity and importance of the work we do, 
and hope all 5 of my grandchildren look for quality employers 
such as Berkley, and learn the importance of commitment and 
a good work ethic when they enter the work force.”

“ My grandma, Peggy, works at Vela. She is an accountant where they help other 
people with insurance.”

  Mattei—Age 9, Granddaughter of Peggy G., Senior Risk Assistant II

CAROLINA CASUALTY
5011 Gate Parkway
Building 200, Suite 200
Jacksonville, Florida 32256 
Tel: (904) 363 0900 
www.carolinacas.com

David A. Dunn, President

CONTINENTAL WESTERN GROUP
11201 Douglas Avenue
Urbandale, Iowa 50322
Tel: (515) 473 3500
www.cwgins.com

Michael A. Lex, President

Denver, Colorado 
Lincoln, Nebraska 
Luverne, Minnesota 

Tel: (800) 533 9013
Tel: (800) 456 7688
Tel: (800) 533 0303

GEMINI TRANSPORTATION UNDERWRITERS
99 Summer Street, Suite 1800
Boston, Massachusetts 02110
Tel: (617) 310 8200
www.geminiunderwriters.com

David R. Lockhart, President

INTREPID DIRECT INSURANCE
10851 Mastin Boulevard, Suite 200
Overland Park, Kansas 66210
Tel: (877) 249 7181
www.intrepiddirect.com

Bill Strout, President

KEY RISK INSURANCE
P.O. Box 49129
Greensboro, North Carolina 27419
Tel: (800) 942 0225
www.keyrisk.com

Robert W. Standen, President

MIDWEST EMPLOYERS CASUALTY
14755 North Outer Forty Drive, Suite 300
Chesterfield, Missouri 63017
Tel: (636) 449 7000 
www.mwecc.com

Timothy F. Galvin, President

BERKLEY SOUTHEAST INSURANCE GROUP
1745 North Brown Road, Suite 400
Lawrenceville, Georgia 30043
Tel: (678) 533 3400
www.berkleysig.com

Dennis L. Barger, President

Birmingham, Alabama 
Charlotte, North Carolina  
Lawrenceville, Georgia 
Meridian, Mississippi 
Brentwood, Tennessee 

Tel: (855) 610 4545
Tel: (855) 610 4545
Tel: (855) 610 4545
Tel: (855) 610 4545
Tel: (855) 610 4545

BERKLEY SURETY
412 Mount Kemble Avenue, Suite 310N
Morristown, New Jersey 07960
Tel: (973) 775 5024 
www.berkleysurety.com

Andrew M. Tuma, President

Arlington, Virginia 
Atlanta, Georgia 
Blue Bell, Pennsylvania 
Centennial, Colorado 
Charlotte, North Carolina 
Dallas, Texas 
Danvers, Massachusetts 
Fulton, Maryland 
Houston, Texas 
Morristown, New Jersey 
Naperville, Illinois 
Nashville, Tennessee 
New York, New York 
Orlando, Florida 
San Francisco, California 
Santa Ana, California 
Seattle, Washington 
Tampa, Florida 
Toronto, Ontario 
Urbandale, Iowa 
Westbrook, Maine 

Tel: (973) 775 5086
Tel: (678) 624 1818
Tel: (973) 775 5096
Tel: (303) 357 2620
Tel: (973) 775 5065
Tel: (972) 385 1140
Tel: (973) 775 5082
Tel: (973) 775 5078
Tel: (973) 775 5233
Tel: (973) 775 5021
Tel: (630) 210 0360
Tel: (629) 999 4010
Tel: (212) 867 2650
Tel: (407) 867 4595
Tel: (415) 216 0877
Tel: (7 14) 338 0860
Tel: (206) 223 5842
Tel: (813) 223 2617
Tel: (416) 304 1178
Tel: (800) 456 5486
Tel: (207) 228 1922

BERKLEY TECHNOLOGY UNDERWRITERS
222 South Ninth Street, Suite 2550
Minneapolis, Minnesota 55402
Tel: (612) 344 4550
www.berkley-tech.com

Matthew A. Mueller, President

Irvine, California 
New York, New York 
San Francisco, California 

Tel: (714) 215 9322
Tel: (516) 987 5901
Tel: (415) 216 2202

174   |

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
MARY W. 
Staff Accountant
Key Risk Management Services

“ The most satisfying thing about working for Key Risk and Berkley is the strong 

devotion of my co-workers, here and at other Berkley affiliates, to always do the 
right thing. It is a pleasure to work for a company that values the community  
and contributes to important charitable causes. I hope to impress these qualities  
in my grandchildren.”

“ My Mimi counts money all day. She reads books about worker’s comp.  
She really works hard every day.”

  Caroline—Age 6, Granddaughter of Mary W., Staff Accountant

NAUTILUS INSURANCE GROUP
7233 East Butherus Drive
Scottsdale, Arizona 85260
Tel: (480) 951 0905
www.nautilusinsgroup.com

VERUS UNDERWRITING MANAGERS
4820 Lake Brook Drive, Suite 200
Glen Allen, Virginia 23060
Tel: (804) 525 1360
www.verusins.com

Thomas M. Kuzma, President and Chief Executive Officer

Dale H. Pilkington, President

W. R. BERKLEY EUROPEAN HOLDINGS AG
Genferstrasse 23 
8002 Zürich, Switzerland

Mark Talbot, Managing Director

W. R. Berkley Europe AG
Städtle 35A, P.O. Box 835
9490 Vaduz, Liechtenstein
Tel: 423 237 27 41

Hans-Peter Naef, General Manager

Henrik Ibsens Gate 100
0255 Oslo, Norway
Tel: 47 (23) 27 24 00

Birger Jarlsgatan 22
114 34 Stockholm, Sweden
Tel: 46 (8) 410 337 00

Kaiser-Wilhelm-Ring 27-29
50672 Köln, Germany
Tel: 49 (0) 221 99386 102

Paseo de la Castellana, 149-8a
28046 Madrid, Spain
Tel: 34 (91) 449 2646

W/R/B UNDERWRITING
W. R. Berkley Syndicate Management Limited
Syndicate 1967 At Lloyd’s
W. R. Berkley UK Limited
2nd Floor, 40 Lime Street
London EC3M 7AW, England
Tel: 44 (0) 20 7088 1900
www.wrbunderwriting.com

Alastair Blades, President and Chief Executive Officer

Berkley Asset Protection
757 Third Avenue, 10th Floor
New York, New York 10017
Tel: (212) 497 3700
www.berkleyassetpro.com

Joseph P. Dowd, President

Duluth, Georgia 

Tel: (480) 951 0905

PREFERRED EMPLOYERS INSURANCE
9797 Aero Drive, Suite 200
San Diego, California 92123
Tel: (888) 472 9001
www.peiwc.com

Steven A. Gallacher, President

UNION STANDARD INSURANCE GROUP
222 Las Colinas Boulevard W, Suite 1300
Irving, Texas 75039
Tel: (972) 719 2400
www.usic.com

Tel: (480) 281 3949
Tel: (972) 719 2431
Tel: (501) 707 6543
Tel: (501) 707 6543
Tel: (480) 281 3949
Tel: (972) 719 2431

B. Keith Mitchell, President

Albuquerque, New Mexico 
Dallas, Texas 
Little Rock, Arkansas 
Oklahoma City, Oklahoma 
Phoenix, Arizona 
San Antonio, Texas 

VELA INSURANCE SERVICES
311 South Wacker Drive, Suite 3600
Chicago, Illinois 60606
Tel: (312) 553 4413
www.vela-ins.com

David A. Jordan, President and Chief Exective Officer

Atlanta, Georgia 
Chicago, Illinois 
King of Prussia, Pennsylvania 
Omaha, Nebraska 
St. Paul, Minnesota 

Vela Insurance Services, LLC
Los Angeles, California 
Solvang, California 
Walnut Creek, California 

Tel: (678) 987 1701
Tel: (312) 553 4413
Tel: (610) 688 4275 
Tel: (402) 492 8352
Tel: (651) 406 5630

Tel: (213) 417 5452
Tel: (805) 693 0839
Tel: (925) 472 8220

176   |

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ZINA S. 
Professional Liability Underwriting Manager
W/ R/B Underwriting

“  I joined Berkley because I wanted to work with people who shared my mores 

and work ethic. Over the years the Company has become a home away from 
home. Our values, centred on responsibility, respect and collegiality, translate 
seamlessly into my family life. Following the birth of my children I never felt 
that I had to choose between motherhood and my career. I am proud to be 
able to show my daughters the rewards that can be reaped from education, 
effort and working with people you respect and admire.”

“ My Mummy works in the coolest building in town! She helps people to keep safe 
if something bad happens.”

  Roma—Age 6, Daughter of Zina S., Professional Liability Underwriting Manager

REINSURANCE
BERKLEY RE
www.berkleyre.com

Berkley Re America
Three Stamford Plaza
301 Tresser Boulevard, 7th Floor
Stamford, Connecticut 06901
Tel: (203) 905 4444

Joseph L. Sullivan, President

Berkley Re Australia
Level 7, 321 Kent Street
Sydney NSW 2000, Australia
Tel: 61 (2) 8117 2100

Level 21, 12 Creek Street
Brisbane QLD 4000, Australia
Tel: 61 (7) 3175 0200

Level 40, 140 Williams Street
Melbourne VIC 3000, Australia
Tel: 61 (3) 9607 8404

Tel: (800) 773 4300
Tel: (215) 568 3570
Tel: (925) 472 8030

Marlborough, Massachusetts 
Philadelphia, Pennsylvania 
Walnut Creek, California 

Berkley Re UK Limited
37-39 Lime Street, 2nd Floor
London EC3M 7AY, England
Tel: 44 (0) 20 7398 1000

Richard Fothergill, Chief Executive Officer

SERVICE OPERATIONS
BERKLEY CAPITAL, LLC
600 Brickell Avenue, 39th Floor
Miami, Florida 33131
Tel: (786) 450 5510

Frank T. Medici, President

BERKLEY DEAN & COMPANY, INC.
475 Steamboat Road
Greenwich, Connecticut 06830
Tel: (203) 629 3000

Tony Piper, Chief Executive Officer, Australia and New Zealand

James G. Shiel, President

Berkley Re Beijing
Room 4901, China World Tower B
No. 1 Jian Guo Men Wai Avenue
Beijing 100004, China
Tel: (86) 108 526 4826 

Berkley Re Hong Kong
Room 4407, 44/F Hopewell Centre
183 Queen’s Road East
Wan Chai, Hong Kong
Tel: (852) 3120 7000

Berkley Re Singapore
18 Cross Street
Unit 09-04, China Square Central 
Singapore 048423
Tel: (65) 6671 2070

Glen Riddell, Chief Executive Officer, Asia

Berkley Re Solutions
Three Stamford Plaza
301 Tresser Boulevard, 9th Floor
Stamford, Connecticut 06901
Tel: (203) 975 7739

Gregory A. Douglas, President

Chicago, Illinois 
Cleveland, Ohio 
Dublin, Ohio 
Johns Creek, Georgia 

178   |

Tel: (312) 553 4707
Tel: (614) 766 4316
Tel: (614) 766 4316
Tel: (770) 814 7531

BERKLEY TECHNOLOGY SERVICES LLC
101 Bellevue Parkway
Wilmington, Delaware 19809
Tel: (302) 439 2000

Des Moines, Iowa 

Tel: (515) 564 2300

W. R. Berkley Corporation’s operating units conduct business 
through the following insurance entities:

Acadia Insurance Company; Admiral Indemnity Company; Admiral 
Insurance Company; American Mining Insurance Company; Berkley 
Argentina de Reaseguros S.A.; Berkley Assurance Company; Berkley 
Insurance Company; Berkley International Aseguradora de Riesgos 
del Trabajo S.A.; Berkley International do Brasil Seguros S.A.; Berkley 
International Fianzas México, S.A. de C.V.; Berkley International Seguros 
Colombia S.A.; Berkley International Seguros México, S.A. de C.V.; 
Berkley International Seguros S.A.; Berkley International Seguros 
S.A. (Uruguay); Berkley Life and Health Insurance Company; Berkley 
National Insurance Company; Berkley Regional Insurance Company; 
Berkley Regional Specialty Insurance Company; Carolina Casualty 
Insurance Company; Clermont Insurance Company; Continental 
Western Insurance Company; East Isles Reinsurance, Ltd.; Firemen’s 
Insurance Company of Washington, D.C.; Gemini Insurance Company; 
Great Divide Insurance Company; Greenwich Knight Insurance 
Company, Ltd.; Intrepid Insurance Company; Key Risk Insurance 
Company; Midwest Employers Casualty Company; Nautilus Insurance 
Company; Preferred Employers Insurance Company; Queen’s Island 
Insurance Company, Ltd.; Riverport Insurance Company; StarNet 
Insurance Company; Syndicate 1967 at Lloyd’s; Tri-State Insurance 
Company of Minnesota; Union Insurance Company; Union Standard 
Lloyds; W. R. Berkley Europe AG; W. R. Berkley Insurance (Europe), SE.

 
 
 
 
 
 
 
 
DIRECTORS
William R. Berkley
Executive Chairman

W. Robert Berkley, Jr.
President and Chief Executive Officer

Christopher L. Augostini
Executive Vice President - Business
Emory University

Ronald E. Blaylock
Managing Partner
GenNx360 Capital Partners

Mark E. Brockbank
Retired Chief Executive 
XL Brockbank Ltd.

Mary C. Farrell
President, The Howard Gilman Foundation
Retired Managing Director, Chief Investment Strategist
UBS Wealth Management USA

María Luisa Ferré
President and Chief Executive Officer  
GFR Services, Inc.

Jack H. Nusbaum
Senior Partner
Willkie Farr & Gallagher LLP

Mark L. Shapiro
Private Investor

OFFICERS
William R. Berkley
Executive Chairman

W. Robert Berkley, Jr.
President and Chief Executive Officer

Eugene G. Ballard
Executive Vice President – Finance

Ira S. Lederman
Executive Vice President – Secretary

Lucille T. Sgaglione
Executive Vice President

James G. Shiel
Executive Vice President – Investments

James P. Bronner
Executive Vice President

John K. Goldwater
Executive Vice President

Jeffrey M. Hafter 
Executive Vice President

Robert C. Hewitt
Executive Vice President

William M. Rohde, Jr.
Executive Vice President

Kenneth P. Sroka
Executive Vice President

Robert D. Stone
Executive Vice President

Kathleen M. Tierney
Executive Vice President

Philip S. Welt
Executive Vice President

Jared E. Abbey
Senior Vice President – Corporate Strategy and Development

Richard M. Baio
Senior Vice President – Chief Financial Officer and Treasurer

Kevin H. Ebers
Senior Vice President – Business Shared Services

Melissa M. Emmendorfer
Senior Vice President – Insurance Risk Management

Paul J. Hancock
Senior Vice President – Chief Corporate Actuary

Gillian James
Senior Vice President – Enterprise Risk Management

Peter L. Kamford
Senior Vice President

Carol J. LaPunzina
Senior Vice President – Human Resources

Mir Mazhar
Senior Vice President – Chief Project Officer

Matthew M. Ricciardi
Senior Vice President – General Counsel

Nelson Tavares
Senior Vice President – Claims

Steven W. Taylor
Senior Vice President

Terrence M. Walker 
Senior Vice President – Chief Information Officer

Richard K. Altorelli
Vice President – Investment Controller

Harry J. Berkley
Vice President – Information Technology

W. R. Berkley Corporation   |   2017 Annual Report   |   179

Thomas P. Boyle
Vice President – Corporate Actuarial 

Scott A. Siegel
Vice President – Taxes

Trish Conway
Vice President – Enterprise Risk Management

Jessica L. Somerfeld
Vice President – Corporate Actuary

Michele Fleckenstein
Vice President – Internal Audit

Dana R. Frantz
Vice President – Corporate Actuary

Laura Goodall
Vice President – Insurance Risk Management

Karen A. Horvath
Vice President – External Financial Communications

Andrea C. Kanefsky
Vice President – Corporate Controller 

Joan E. Kapfer
Vice President

Nicholas R. Lang
Vice President – Investments

Thomas L. Lee
Vice President

Jonathan M. Levine
Vice President – Chief Marketing Officer

Edward F. Linekin
Vice President – Investments

John M. Littzi
Vice President – Senior Counsel

James T. McGrath
Vice President – Investments

Robert L. McPherson
Vice President – Analytics

Alistair D. Macpherson
Vice President – Actuary

Steven J. Malawer
Vice President – Senior Counsel

A. Scott Mansolillo
Vice President – Chief Compliance Officer

Jane B. Parker
Vice President – Senior Counsel 

Clement P. Patafio
Vice President

Josephine A. Raimondi
Vice President – Senior Counsel and Assistant Secretary

Robert E. Sabio
Vice President – Corporate Catastrophe Analysis

180   |

Jo-Marie St. Martin
Vice President – Federal Government Relations

Keith D. Wilson
Vice President – Chief Information Security Officer

Tatiana Connolly
Assistant Vice President – Counsel

Adam Coppola
Assistant Vice President and Director  
of Operations – Investments

Liana M. Fairchild
Assistant Vice President – Corporate Actuary

Arthur Gurevitch
Assistant Vice President – Analytics

David D. Hudson
Assistant Vice President – Corporate Data Manager

Scott E. Jensen
Assistant Vice President – Actuarial Analysis

Neil R. Keenan
Assistant Vice President – Counsel

Naomi B. Kinderman
Assistant Vice President – Counsel

Suzette A. Lemson
Assistant Vice President – Office of the Chairman

Jamie L. Martin
Assistant Vice President – Finance

Robert C. Melillo
Assistant Vice President – Investments

Nancy Micale
Assistant Vice President – Human Resources

Raymond J. O’Brien
Assistant Vice President – Director of Internal Audit

Srinivas R. Somayajula
Assistant Vice President – Corporate Actuary

Bryan V. Spero
Assistant Vice President – Corporate Actuary

Tracey M. Vizzo
Assistant Vice President – Risk Management

Bruce I. Weiser
Assistant Vice President – Counsel

Justin R. Woytowich
Assistant Vice President – Finance

ANNUAL MEETING
The Annual Meeting of Stockholders of W. R. Berkley 
Corporation will be held at 1:00 p.m. on May 31, 2018 at the 
offices of W. R. Berkley Corporation, 475 Steamboat Road, 
Greenwich, Connecticut 06830.

SHARES TRADED
Common Stock of W. R. Berkley Corporation is traded on the 
New York Stock Exchange.
Symbol: WRB

TRANSFER AGENT AND REGISTRAR
EQ Shareowner Services
1110 Centre Pointe Curve, Suite 101
Mendota Heights, Minnesota 55120-4100
Tel: (800) 468 9716
www.shareowneronline.com

WEBSITE
For additional information, including press releases, visit our 
internet site at: www.wrberkley.com
Follow us on Twitter @WRBerkleyCorp

AUDITORS
KPMG LLP, New York, New York

OUTSIDE COUNSEL
Willkie Farr & Gallagher LLP, New York, New York

The W. R. Berkley Corporation 2017 Annual Report editorial  
sections are printed on recycled paper made from fiber sourced  
from well-managed forests and other controlled wood sources  
and is independently certified to the Forest Stewardship Council™ 
(FSC®) standards.

© Copyright 2018 W. R. Berkley Corporation. All rights reserved.

“Always do right. 
This will gratify some people  
and astonish the rest.” 
—Mark Twain—

W. R. Berkley Corporation 
475 Steamboat Road  Greenwich, CT 06830 
203.629.3000  www.wrberkley.com

 @WRBerkleyCorp

© Copyright 2018 W. R. Berkley Corporation.  
All rights reserved.