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ProAssurance Corporation

pra · NYSE Financial Services
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Exchange NYSE
Sector Financial Services
Industry Insurance - Property & Casualty
Employees 1036
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FY2012 Annual Report · ProAssurance Corporation
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→ ProAssurAnce :: 2012 AnnuAl RepoRt

Broader
Deeper
Stronger

Fi n a nc i a l  H igh l igh t s
(i n  t h o u s a n d s)

Income Statement Highlights(1)

Gross premiums written

net premiums earned

total revenues

Fiscal Years ended December 31

2012

2011

2010

2009

2008

$  536,431

$  565,895

$  533,205

$  553,922

$  471,482

$  550,664

$  565,415

$  519,107

$  497,543

$  459,278

$  715,854

$  716,784

$  692,065

$  672,683

$  567,162

net losses and loss adjustment expenses

$  179,913

$  162,287

$  221,115

$  231,068

$  211,499

net income(2)

operating income(3)

Balance Sheet Highlights

total investments

total assets

Reserve for losses and loss  

  adjustment expenses

long-term debt

total liabilities

$  275,470

$  287,096

$  231,598

$  222,026

$  177,725

$  257,238

$  278,514

$  219,457

$  215,210

$  206,980

$ 3,926,902

$ 4,090,541

$ 3,990,431

$ 3,838,222

$ 3,575,942

$ 4,876,578

$ 4,998,878

$ 4,875,056

$ 4,647,414

$ 4,280,938

$ 2,054,994

$ 2,247,772

$ 2,414,100

$ 2,422,230

$ 2,379,468

$  125,000

$ 

49,687

$ 

51,104

$ 

50,203

$ 

34,930

$ 2,605,998

$ 2,834,425

$ 3,019,193

$ 2,942,819

$ 2,857,353

(1)  Includes acquired entities since date of acquisition only.
(2)  Includes a loss on extinguishment of debt of $2.2 million and $2.8 million for the years ended December 31, 2012 and 2009, respectively, and a gain 

on extinguishment of debt of $4.6 million for the year ended December 31, 2008.

(3)  See Appendix A for a reconciliation of operating Income to GAAp.

Broader
Deeper
Stronger

Three powerful words describe us: Broader, Deeper, Stronger. They are 

emblematic of our unwavering commitment to create meaningful value for our 

shareholders while building a specialty insurance group that meets the 

unique needs of risks spanning the evolving continuum of healthcare.

Two simple words guide us: Treated Fairly. They represent a steadfast dedication 

to honesty, integrity and transparency in every interaction with our insureds, 

our agents, our fellow shareholders, and each other.

P r o A s s u r A n c e   :: 2 012  A n n u a l  R e p o r t

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P r o A s s u r A n c e   :: B r o a d e r  D e e p e r  St r o n g e r

Broader

ProAssurance Geographic Profile

•  The transactions that brought Medmarc Insurance Group and Independent Nevada 

Doctors Insurance Exchange into ProAssurance have further broadened our reach. 

We deliver extraordinary service and innovative insurance solutions to insureds  

in every state. 

•  Our broad geographic reach ensures that we are able to respond quickly to emerging 

trends and assures that we are accurately pricing our policies to reflect the true 

cost of each risk we underwrite.

•  At the same time, our local knowledge, experience and industry leadership allows 

us to understand the differences in every market we serve.

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Underwriting Offices

Claims Offices

Claims / Underwriting Offices

Corporate Headquarters (Birmingham)

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To  My  Fe l l ow  Sh a r e hol de r s,

ProAssurance accomplished many things during 2012, and I am pleased to report that 
your company enters 2013 Broader, Deeper and Stronger. Each word says a great deal about 
our successful strategy in the year just past, and about how we will embrace the future.

In the face of a very competitive insurance environment and an historically low interest 
rate environment, we achieved real success by almost any measure:

  •   Our Return on Equity was 12.4%, a testament to our ability to maintain the 

profitability that is the engine of our balance sheet growth.

  •   We maintained our unblemished record of growing Book Value per Share. At year-end 
2012, split-adjusted Book Value per Share was $36.85 per share. We have increased 
this important measurement of financial strength and operational success in every 
one of the 22 years we have been a public company. Since going public in 1991, the 
Compound Annual Growth Rate of our Book Value per share is 16%.

  •   We strengthened our balance sheet while returning significant capital to our 

shareholders. Through a special dividend and the payment of our regular cash 
dividend, we returned 7.8% of our capital to shareholders in 2012. Overall, our 
shareholders realized a Total Return of 13.5%.

  •   Financially, 2012 was among the best years in our history, with near record income 

and earnings.

Equally important were the strides we made in preparing ProAssurance for the future.

We identified two important additions to our portfolio of specialty insurance companies, 
which we acquired at reasonable prices. They advance our company in many ways and 
will help us ensure future growth and profitability.

The first, Independent Nevada Physicians Insurance Exchange, extends our insurance 
reach in the west, broadening our footprint. The acquisition makes us the leading writer 
of medical professional liability insurance in Nevada, further positioning our company 
to respond to the increasing aggregation of healthcare in that state.

W.  s t A n c i l   s t A r n e s 

Chairman and Chief Executive Officer

P r o A s s u r A n c e   :: 2 012  A n n u a l  R e p o r t

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P r o A s s u r A n c e   :: B r o a d e r  D e e p e r  St r o n g e r

Deeper

The delivery of healthcare is changing faster than at any time in our history, and 

ProAssurance is evolving to meet the new liability challenges posed by these evolving risks.

As America seeks ways to enhance care while controlling costs, new methods of 

healthcare delivery are emerging. The continuum of healthcare now ranges from the 

delivery of healthcare in the home, to non-traditional settings such as drug stores,  

to traditional practices, and into hospitals and beyond. Individual physicians are joining 

together in larger groups and multi-specialty clinics, and hospital employment of 

physicians is becoming the rule rather than the exception.

ProAssurance has deep experience with traditional and emerging risks, and the expertise 

in our growing portfolio of specialty companies is supported by our superior balance 

sheet. ProAssurance is uniquely qualified to deliver superior service to traditional 

healthcare providers while developing the innovative coverages and risk sharing 

arrangements in demand by the most sophisticated healthcare systems.

P r o A s s u r a nc e  Spa ns  t h e  C on t i n u u m  of  C a r e

H o m e 
H e a lt h c a r e

N on -Tr a di t ion a l 
D e l i v e r y 
S e t t i n g s

Tr a d i t i o n a l 
P r a c t i c e s

M u lt i- S p e c i a lt y 
C l i n i c s

H o s p i t a l  & 
Fa c i l i t y 
C e n t e r e d  C a r e

N e w  D e l i v e r y 
D e v i c e s , 
Te c h n i qu e s   a n d 
R e s e a r c h

The second, Medmarc Insurance Group (Medmarc), broadens the coverages we are able 
to offer to those who are looking to us for answers to an increasingly complex set of liability 
challenges. Medmarc is a leading writer of products liability for the life sciences industry, 
including medical devices, in vitro diagnostics, biotechnology, and pharmaceuticals, 
throughout their lifecyles—whether in clinical trials or being sold internationally. Their 
founding and record of success parallels that of ProAssurance. Further, the strength of 
their management team, which remains intact and energized by the transaction, will be a 
real asset to us.

We saw continued success in establishing the power of Treated Fairly during 2012. 
Increasingly we hear from our insureds, our agents and our colleagues that our  
commitment to this operational touchstone is cementing ProAssurance as a trusted 
partner in a business where long-term trust means everything.

I believe this ability to differentiate ProAssurance is crucial. Our roots as a company 
founded by its insureds run deep, and we know that this ability to set our company apart 
through service, advocacy and long-term stability are not taken lightly by those we protect. 
In a world that is increasingly focused on price, our ability to retain 90% of our physician 
premium in 2012 speaks volumes about the value our insureds find in our policies and 
the services that come only through being insured with ProAssurance.

Our disciplined approach to underwriting and pricing has never been more important 
than it is today. After several years of relatively benign loss trends, competition for every 
renewal is fierce and winning new business means wresting an insured away from an 
incumbent carrier that is determined to maintain the business at almost any price. Couple 
this with the low interest rate environment in which we are operating and the importance 
of solid underwriting has never been more critical to our insureds who count on us for 
unequalled protection, and to those who invest alongside us. Both benefit from our 
dedication to long-term performance.

We carefully guard the capital you have entrusted to us, and will not grow the top line 
just for the sake of pleasing those who seem to value near-term growth over long-term 
sustainability. We can, and do, write new business, but not at the expense of our future.

Our success, experience 

and deep expertise 

uniquely qualifies 

ProAssurance to insure 

the widest range of 

healthcare risks

P r o A s s u r A n c e   :: 2 012  A n n u a l  R e p o r t

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P r o A s s u r A n c e   :: B r o a d e r  D e e p e r  St r o n g e r

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Stronger

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Our financial strength is the mortar that binds together our deep commitment to 

serving our insureds while creating value for our shareholders. Each benefits from 

our long-term approach to managing a dynamic business.

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1000

In 2012, we returned excess capital to shareholders through a special dividend.  
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At the same time, we were able to enhance a balance sheet that enables us to 

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deliver unquestioned security to our insureds while proving the resources required  

to become a trusted partner with the ever larger, more sophisticated risk bearing 

entities that increasingly dominate American healthcare.

$4.52

$4.16

$4.65

$4.46

$3.25

$3.41

$3.60

$3.35

$3.03

$2.61

$3.38

$36.85

$0.25

$35.42

$30.17

$26.30

$21.35

$1,856

$1,705

$1,424

$2,271

$2,164

$4,647

$4,281

$4,875

$4,999

$4,877

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N I P 
D S(1)
O I 
P D S(2)

B V
P S(1)(3)
D D

S’
E
( )

A
( )

(1) For all periods presented, share and per share amounts reflect the effect of the two-for-one stock split effected in the form of a 

stock dividend that was effective December 27, 2012.

(2) See Appendix A for Reconciliation of Operating Measures to GAAP.

(3) Total capital per share of common stock outstanding.

 
We have an enviable track record of success and, in my view, our future is as bright as our 
past. As healthcare in America aggregates into larger, more geographically diverse 
entities, we are uniquely positioned to respond. With rare exception, our smaller, physician-
focused competitors lack experience writing hospitals and facilities. Many lack the ability 
to reach across state lines to cover growing risks, and they do not possess the balance 
sheet strength that will allow them to compete for tomorrow’s significant risks.

Larger competitors, on the other hand, do not have the physician focus or experience to 
understand the critical differences that can create a divide when facilities and physicians 
are insured together. Thus, this divide creates a real barrier for most, but it creates real 
opportunities for ProAssurance.

Our experience, reach and financial flexibility is what allowed us to partner with Ascension 
Health to create the Certitude program, now with $15 million of premium in force in 
just two-and-a-half years. Ascension Health is one of the nation’s largest, most innovative 
healthcare systems, and the success of our risk sharing partnership is but one example 
of our ability to successfully adapt to the new realities of healthcare in America. I am 
convinced we will have many more such opportunities due to our proven abilities in 
insuring physicians, facilities and hospitals.

In summary, we are building a bridge to the future, leveraging our experience to enhance 
the coverage we offer to our sizeable base of traditional insureds, while using our decades 
of experience and our capital to respond to the growing needs represented by ever larger, 
more sophisticated insureds who seek an insurance partner, not just an insurance provider. 
We stand ready to be that partner, one that is Broader, Deeper and Stronger.

ProAssurance 

was named to the 

Ward’s 50 for the 

sixth straight year

W. Stancil Starnes 
Chairman and Chief Executive Officer

P r o A s s u r A n c e   :: 2 012  A n n u a l  R e p o r t

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P r o A s s u r A n c e   :: B r o a d e r  D e e p e r  St r o n g e r

St o c k  P r ic e  P e r f or m a nc e
You may use the following information to compare the market value of our Common Stock with public companies in the insurance 

industry and other public companies in general. The graph sets forth the cumulative total shareholder return of our stock during the 

12/29/07

12/31/08

12/31/09

12/31/10

five years ended December 31, 2012, as well as the cumulative total shareholder return of overall stock market index (the Russell 

12/30/12

12/31/11

2000) and a peer group index (the SNL Property & Casualty Insurance Index) for the five years ended December 31, 2012. We have 

included the Standard & Poor’s 500 Index in this graph because we believe it is a more recognizable broad index and yields a more 

meaningful comparison for investors given our market capitalization and dividend payout ratio.

To ta l   R e t u r n  P e r f or m a nc e

180

160

8
140

120

100

80

60

180

160

140

120

100

80

60

12/31/07

12/31/08

12/31/09

12/31/10

12/31/11

12/31/12

ProAssurance Corporation

Russell 2000

SNL Insurance P&C 

S&P 500  

I n de x

ProAssurance Corporation

Russell 2000

SNL Insurance P&C

S&P 500

12/31/07

12/31/08

12/31/09

12/31/10

12/31/11

12/31/12

100.00

100.00

100.00

100.00

96.10

66.21

77.40

63.00

97.80

84.20

83.68

79.68

110.34

106.82

  99.78

  91.68

146.30

102.36

100.88

93.61

166.01

119.09

119.08

108.59

Period Ending

B oa r d  of  D i r e c t or s

Committees

Directors

Position

Independence

Audit

Compensation

Executive

W. Stancil Starnes, Esq.

Chairman, President and Chief 

Executive Officer, ProAssurance

Victor T. Adamo, Esq., C.P.C.U.

Vice-Chairman, ProAssurance

Lucian Bloodworth

Chairman, Cain Manufacturing 

Company, Inc.

Robert E. Flowers, M.D.

Lead Director and Retired Physician

M. James Gorrie

William J. Listwan, M.D.

President and Chief Executive 
Officer, Brasfield & Gorrie

Practicing Physician and Associate 
Clinical Professor of Medicine

John J. McMahon, Jr.

Chairman, Ligon Industries

Drayton Nabers, Jr., Esq.

Attorney

Ann F. Putallaz, Ph.D.

Principal, AFP Consulting, LLC

Frank A. Spinosa, D.P.M.

Practicing Podiatrist and Vice 
President of the American 
Podiatric Medical Association

Anthony R. Tersigni, Ed.D., FACHE

President and Chief Executive 

Officer, Ascension Health Alliance

Thomas A. S. Wilson, Jr., M.D.

Practicing Physician

N

N

I

I

I

I

I

I

I

I

I

I

M

C, E

M

C

M

M

Nominating 
& Corporate 
Governance

M

C

M

M

M

C

M

M

N = Management, Non-Independent                  I = Independent                  M = Member                  C = Chairman                  E = Financial Expert

We at ProAssurance acknowledge the death in 2012 of Paul Butrus. He served from our very beginnings   
in a variety of roles and as an influential member of our Board of Directors. Paul’s contributions to 
ProAssurance, its predecessor organizations and our industry were substantial and enduring. Importantly,  
he touched the lives of so many of us in ways that will never be forgotten. We miss him.

Se n ior  Of f ic e r s

Senior Officers

Title

Jeffrey L. Bowlby, A.R.M.

Chief Marketing Officer and Senior Vice-President, 

Professional Liability Group

Richard J. Enders, C.P.A.

Vice-President, Internal Audit

Howard H. Friedman, A.C.A.S., M.A.A.A. Co-President and Chief Underwriting Officer,  

Jeffrey P. Lisenby, Esq.

Professional Liability Group

  Senior Vice-President, ProAssurance

Corporate Secretary, General Counsel and  
Senior Vice-President, ProAssurance

Frank B. O’Neil

Communications Officer and Senior Vice-President, 

ProAssurance

Mary Todd Peterson, C.P.A.

President, Medmarc Insurance Group

Edward L. Rand, Jr., C.P.A.

Chief Financial Officer and Senior Vice-President, 

Ross E. Taubman, D.P.M.

Darryl K. Thomas, Esq.

ProAssurance

President and Chief Medical Officer, PICA Group

Co-President and Chief Claims Officer,  

Professional Liability Group

  Senior Vice-President, ProAssurance

Hayes V. Whiteside, M.D.

Chief Medical Officer and Senior Vice-President, 

Professional Liability Group

Designed by Curran & Connors, Inc. / www.curran-connors.com

100 Brookwood Place
Birmingham, Alabama 35209
(205) 877-4400
(800) 282-6242

www.ProAssurance.com

   
Broader
Deeper
Stronger

→ ProAssurance  2012 form 10-k

Broader
Deeper
Stronger

Three powerful words describe us: Broader, Deeper, Stronger. They are 

emblematic of our unwavering commitment to create meaningful value for our 

shareholders while building a specialty insurance group that meets the 

unique needs of risks spanning the evolving continuum of healthcare.

Two simple words guide us: Treated Fairly. They represent a steadfast dedication 

to honesty, integrity and transparency in every interaction with our insureds, 

our agents, our fellow shareholders, and each other.

This line represents final trim and will not print

United States
Securities and Exchange Commission
Washington, D.C. 20549 

FORM 10-K

(Mark One)

Annual report pursuant to section 13 or 15(d) of the Securities Exchange Act of 1934 [Fee Required]

for the fiscal year ended December 31, 2012,

or

Transition report pursuant to section 13 or 15(d) of the Securities Exchange Act of 1934 [No Fee Required]

for the transition period from                      to                     

Commission file number: 001-16533
 ProAssurance Corporation
(Exact name of registrant as specified in its charter)

Delaware
(State of
incorporation or organization)

100 Brookwood Place,
Birmingham, AL
(Address of principal executive offices)

63-1261433
(I.R.S. Employer
Identification No.)

35209
(Zip Code)

(205) 877-4400
(Registrant’s Telephone Number, Including Area Code)
Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class
Common Stock, par value $0.01 per share

Name of Each Exchange On Which Registered
New York Stock Exchange

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

    No  

    No  

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities 
Act.    Yes  
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the 
Act.    Yes  
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  
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 (§232.405 of this chapter) 
during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such 
files).    Yes  
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405) is not contained 
herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements 
incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a 
smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” 
in Rule 12b-2 of the Exchange Act. (Check one):

    No  

    No  

Large accelerated filer
Non-accelerated filer

 (Do not check if a smaller reporting company)

   Accelerated filer
   Smaller reporting company  

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).    Yes  
    No  
The aggregate market value of voting stock held by non-affiliates of the registrant at June 30, 2012 was $2,713,894,093.
As of February 14, 2013, the registrant had outstanding approximately 61,623,504 shares of its common stock.

This proof is printed at 94% of original size

 
 
 
 
 
 
 
 
 
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TABLE OF CONTENTS

PART I

PART II

Item 5.

Item 6.

Item 7.
Item 7A.

Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity 
Securities
Selected Financial Data

Management's Discussion and Analysis of Financial Condition and Results of Operations
Quantitative and Qualitative Disclosures About Market Risk

Item 8.

Financial Statements and Supplementary Data

Item 9.
Item 9A.

Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
Controls and Procedures

Item 9B.

Other Information

PART III

Item 10.

Item 11.

Item 12.

Item 13.

Item 14.

PART IV

Directors and Executive Officers of the Registrant

Executive Compensation

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

Certain Relationships and Related Transactions

Principal Accountant Fees and Services

Item 15.

Exhibits and Financial Statement Schedules

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(i) 

(ii) 

(iii) 

(iv) 

(v) 

(vi) 

(vii) 

(viii) 

(ix) 

(x) 

(xi) 

(xii) 

(xiii) 

(xiv) 

(xv) 

(xvi) 

(xvii) 

(xviii) 

(xix) 

(xx) 

(xxi) 

Documents incorporated by reference in this Form 10-K

The definitive proxy statement for the 2013 Annual Meeting of the Stockholders of ProAssurance Corporation 
(File No. 001-16533) is incorporated by reference into Part III of this report.

The MAIC Holdings, Inc. Registration Statement on Form S-4 (File No. 33-91508) is incorporated by reference 
into Part IV of this report.

The MAIC Holdings, Inc. Definitive Proxy Statement for the 1996 Annual Meeting (File No. 0-19439) is 
incorporated by reference into Part IV of this report.

The ProAssurance Corporation Registration Statement on Form S-4 (File No. 333-49378) is incorporated by 
reference into Part IV of this report.

The ProAssurance Corporation Annual Report on Form 10-K for the year ended December 31, 2001 
(Commission File No. 001-16533) is incorporated by reference into Part IV of this report.

The ProAssurance Corporation Definitive Proxy Statement filed on April 16, 2004 (File No. 001-16533) is 
incorporated by reference into Part IV of this report.

The ProAssurance Corporation Current Report on Form 8-K for event occurring on September 13, 2006 (File 
No. 001-16533) is incorporated by reference into Part IV of this report.

The ProAssurance Corporation Quarterly Report on Form 10-Q for the quarter ended September 30, 2006 (File 
No. 001-16533) is incorporated by reference into Part IV of this report.

The ProAssurance Corporation Current Report on Form 8-K for event occurring on May 12, 2007 (File 
No. 001-16533) is incorporated by reference into Part IV of this report.

The ProAssurance Corporation Annual Report on Form 10-K for the year ended December 31, 2007 (File 
No. 001-16533) is incorporated by reference into Part IV of this report.

The ProAssurance Corporation Registration Statement on Form S-8 (File No. 333-156645) is incorporated by 
reference into Part IV of this report.

The ProAssurance Corporation Definitive Proxy Statement filed on April 11, 2008 (File No. 001-16533) is 
incorporated by reference into Part IV of this report.

The ProAssurance Corporation Annual Report on Form 10-K for year ended December 31, 2009 (File 
No. 001-16533) is incorporated by reference into Part IV of the report.

The ProAssurance Corporation Current Report on Form 8-K for event occurring August 31, 2010 (File 
No. 001-16533) is incorporated by reference into Part IV of this report.

The ProAssurance Corporation Current Report on Form 8-K for event occurring December 1, 2010 (File 
No. 001-16533) is incorporated by reference into Part IV of this report.

The ProAssurance Corporation Annual Report on Form 10-K for the year ended December 31, 2010 (File 
No. 001-16533) is incorporated by reference in Part IV of this report.

The ProAssurance Corporation Quarterly Report on Form 10-Q for the quarter ended June 30, 2011 (File 
No. 001-16533) is incorporated by reference in Part IV of this report.

The ProAssurance Corporation Current Report on Form 8-K for event occurring November 13, 2008 (File No. 
001-16533) is incorporated by reference into Part IV of this report.

The ProAssurance Corporation Quarterly Report on Form 10-Q for the quarter ended June 30, 2012 (File 
No. 001-16533) is incorporated by reference in Part IV of this report.

The ProAssurance Corporation Quarterly Report on Form 10-Q for the quarter ended September 30, 2012 (File 
No. 001-16533) is incorporated by reference in Part IV of this report.

The ProAssurance Corporation Annual Report on Form 10K for the year ended December 31, 2011 (File No. 
001-16533) is incorporated by reference in Part IV of this report.

(xxii) 

The ProAssurance Corporation Annual Report on Form 10-K for the year ended December 31, 2004 (File No. 
001-16533) is incorporated by reference into Part IV of this report.

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 PART I

ITEM 1. BUSINESS.

General / Corporate Overview

ProAssurance Corporation is a holding company for property and casualty insurance companies focused on professional 

and product liability insurance. Throughout this report, references to ProAssurance, “we”, “us” and “our” refer to ProAssurance 
Corporation and its consolidated subsidiaries. Our executive offices are located at 100 Brookwood Place, Birmingham, 
Alabama 35209 and our telephone number is (205) 877-4400. Our stock trades on the New York Stock Exchange under the 
symbol “PRA.” Our website is www.ProAssurance.com and we maintain a dedicated Investor Relations section on that website 
(www.ProAssurance.com/InvestorRelations) to provide specialized resources for investors and others seeking to learn more 
about us.

As part of our disclosure through the Investor Relations section of our website, we publish our annual report on Form 

10K, our quarterly reports on Form 10Q, and our current reports on Form 8K and all other public SEC filings as soon as 
reasonably practical after filing with the Securities and Exchange Commission (the SEC) on its EDGAR system. These SEC 
filings can be found on our website at www.proassurance.com/InvestorRelations/reports_filings.aspx. This section also provides 
access to details about stock trading by corporate insiders by providing access to SEC Forms 3, 4 and 5 when they are filed with 
the SEC. We maintain access to all public SEC filings for at least one year after they are filed with the SEC.

Further, because the insurance business uses certain terms and phrases that carry special and specific meanings, we 
encourage you to read the Glossary of Selected Insurance and Related Financial Terms posted on the Supplemental Information 
page of our website (www.proassurance.com/InvestorRelations/supplemental.aspx).

In addition to federal filings on our website, we make available other documents that provide important additional 
information about our financial condition and operations. Documents available on our website include the financial statements 
we file with state regulators (compiled under Statutory Accounting Principles as required by regulation), news releases that we 
issue, a listing of our investment holdings, and certain investor presentations.

The Governance section of our website provides copies of the Charters for our Audit Committee, Internal Audit 

Department, Compensation Committee and Nominating/Corporate Governance Committee. In addition you will find our Code 
of Ethics and Conduct, Corporate Governance Principles, and Share Ownership Guidelines. We also provide our Lead Director 
Policy, our Policy Regarding Determination of Director Independence, our Audit Committee Pre-Approval Policy and 
Procedures, our Policy Regarding Stockholder-Nominated Director Candidates and our Procedures Governing Hiring 
Employees of the Registered Independent Public Accounting Firm. Printed copies of these documents may be obtained from 
Frank O’Neil, Senior Vice President, ProAssurance Corporation, either by mail at P.O. Box 590009, Birmingham, Alabama 
35259-0009, or by telephone at (205) 877-4400 or (800) 282-6242.

Caution Regarding Forward-Looking Statements

Any statements in this Form 10K that are not historical facts are specifically identified as forward-looking statements. 
These statements are based upon our estimates and anticipation of future events and are subject to certain risks and uncertainties 
that could cause actual results to vary materially from the expected results described in the forward-looking statements. 
Forward-looking statements are identified by words such as, but not limited to, “anticipate”, “believe”, “estimate”, “expect”, 
“hope”, “hopeful”, “intend”, “likely”, “may”, “optimistic”, “possible”, “potential”, “preliminary”, “project”, “should”, “will” 
and other analogous expressions. There are numerous factors that could cause our actual results to differ materially from those 
in the forward-looking statements. Thus, sentences and phrases that we use to convey our view of future events and trends are 
expressly designated as forward-looking statements as are sections of this Form 10K that are identified as giving our outlook on 
future business.

Forward-looking statements relating to our business include among other things: statements concerning liquidity and 
capital requirements, investment valuation and performance, return on equity, financial ratios, net income, premiums, losses and 
loss reserves, premium rates and retention of current business, competition and market conditions, the expansion of product 
lines, the development or acquisition of business in new geographical areas, the availability of acceptable reinsurance, actions 
by regulators and rating agencies, court actions, legislative actions, payment or performance of obligations under indebtedness, 
payment of dividends, and other matters.

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These forward-looking statements are subject to significant risks, assumptions and uncertainties, including, among other 

things, the following factors that could affect the actual outcome of future events:

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

changes in general economic conditions;

our ability to maintain our dividend payments;

regulatory, legislative and judicial actions or decisions that could affect our business plans or operations;

the enactment or repeal of tort reforms;

formation or dissolution of state-sponsored medical professional liability insurance entities that could remove or add 
sizable groups of physicians from or to the private insurance market;

the impact of deflation or inflation;

changes in the interest rate environment;

changes in U.S. laws or government regulations regarding financial markets or market activity that may affect the U.S. 
economy and our business;

changes in the ability of the U.S. government to meet its obligations that may affect the U.S. economy and our 
business;

performance of financial markets affecting the fair value of our investments or making it difficult to determine the 
value of our investments;

changes in accounting policies and practices that may be adopted by our regulatory agencies, the Financial Accounting 
Standards Board, the Securities and Exchange Commission, or the Public Company Accounting Oversight Board;

changes in laws or government regulations affecting medical professional liability insurance or the financial 
community;

the effects of changes in the healthcare delivery system, including but not limited to the Patient Protection and 
Affordable Care Act;

consolidation of healthcare providers and entities that are more likely to self insure and not purchase medical 
professional liability insurance;

uncertainties inherent in the estimate of loss and loss adjustment expense reserves and reinsurance;

changes in the availability, cost, quality, or collectability of insurance/reinsurance;

the results of litigation, including pre- or post-trial motions, trials and/or appeals we undertake;

allegation of bad faith which may arise from our handling of any particular claim, including failure to settle;

loss of independent agents;

changes in our organization, compensation and benefit plans;

our ability to retain and recruit senior management;

assessments from guaranty funds;

our ability to achieve continued growth through expansion into other states or through acquisitions or business 
combinations;

changes to the ratings assigned by rating agencies to our insurance subsidiaries, individually or as a group;

provisions in our charter documents, Delaware law and state insurance law may impede attempts to replace or remove 
management or may impede a takeover;

state insurance restrictions may prohibit assets held by our insurance subsidiaries, including cash and investment 
securities, from being used for general corporate purposes;

taxing authorities can take exception to our tax positions and cause us to incur significant amounts of legal and 
accounting costs and, if our defense is not successful, additional tax costs, including interest and penalties;

insurance market conditions may alter the effectiveness of our current business strategy and impact our revenues; and

expected benefits from completed and proposed acquisitions may not be achieved or may be delayed longer than 
expected due to business disruption; loss of customers, employees and key agents; increased operating costs or 
inability to achieve cost savings; and assumption of greater than expected liabilities, among other reasons.

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Additional risks that could adversely affect the merger of Independent Nevada Doctors Insurance Exchange, now 
Independent Nevada Doctors Insurance Company (IND), and Medmarc Mutual Insurance Company, now Medmarc Insurance 
Company (Medmarc), into ProAssurance, include but are not limited to the following:

• 

• 

• 

• 

the outcome of any potential claims from policyholders of Medmarc and IND relating to payments or other issues 
arising from their respective conversions to stock insurance companies and subsequent mergers into ProAssurance

the businesses of ProAssurance and Medmarc or ProAssurance and IND may not be integrated successfully, or such 
integration may take longer to accomplish than expected;

cost savings from either transaction may not be fully realized or may take longer to realize than expected;

operating costs, customer loss and business disruption following either or both transactions, including adverse effects 
on relationships with employees, may be greater than expected.

Our results may differ materially from those we expect and discuss in any forward-looking statements. The principal risk 

factors that may cause these differences are described in “Item 1A, Risk Factors” in this report.

We caution readers not to place undue reliance on any such forward-looking statements, which are based upon conditions 

existing only as of the date made, and advise readers that these factors could affect our financial performance and could cause 
actual results for future periods to differ materially from any opinions or statements expressed with respect to future periods in 
any current statements. Except as required by law or regulations, we do not undertake and specifically decline any obligation to 
publicly release the result of any revisions that may be made to any forward-looking statements to reflect events or 
circumstances after the date of such statements or to reflect the occurrence of anticipated or unanticipated events.

Business Overview

We are an insurance holding company operating through subsidiaries which are primarily focused on providing 

professional and products liability insurance and operate as a single business segment within the United States. The 
composition of our gross written premiums by coverage type and by state for the past three years is as follows:

($ in thousands)
Gross premium written by coverage type:

Physicians (1)

Other healthcare professionals
Healthcare facilities
Legal professionals
All other (2)
Total

Gross premiums written by state (3):

Alabama
Texas
Ohio
Florida
Michigan
Illinois
Indiana
All other states
Total

2012

2011

2010

Year Ended December 31

$ 416,510
42,864
28,259
17,146
31,652
$ 536,431

$

68,717
51,865
48,338
33,685
33,393
30,200
26,571
243,662
$ 536,431

78% $ 451,181
8%
45,641
5%
28,088
3%
16,474
6%
24,511
100% $ 565,895

13% $
81,253
10%
57,389
9%
51,040
6%
38,015
6%
32,402
6%
24,322
5%
29,965
45%
251,509
100% $ 565,895

80% $ 418,173
43,339
28,524
13,250
29,919
100% $ 533,205

8%
5%
3%
4%

14% $
10%
9%
7%
6%
4%
5%
45%

74,967
13,202
63,143
39,909
30,767
25,790
30,772
254,655
100% $ 533,205

78%
8%
5%
2%
7%
100%

14%
2%
12%
7%
6%
5%
6%
48%
100%

(1)  Primarily comprised of one year term policies but includes premium related to policies with a two year term of $13.1 

million in 2012, $22.3 million in 2011, and $10.9 million in 2010.

(2)  Includes tail coverage premiums of $29.4 million in 2012, $20.9 million in 2011 and $23.2 million in 2010.
(3)  States representing 6% or more of total annual premium during 2012, 2011 or 2010 are shown separately.

The increase in premiums written in the state of Texas for 2012 and 2011 as compared to 2010 is attributable to the 

acquisition of American Physicians Service Group, Inc. (APS) in November of 2010.

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Gross written premium of acquired entities is not included in our results for periods prior to the acquisition date of the 
entity. The following table provides the approximate amount of IND and Medmarc gross premium written for the year ended 
December 31, 2012 that was not included in our 2012 results:

(In thousands)

2012

Gross premium written by coverage type:

Physician

Medical and life science products liability
Legal professionals

Total

Gross premium written by state:

Texas

Florida
All other states *

Total

$

$

$

$

11,447
32,085

9,541

53,073

5,407
6,114

41,552

53,073

*  State total is less than $5 million or is not a state representing more than 6% of ProAssurance 2012 total 

annual premium.

Corporate Organization and History

We were incorporated in Delaware as the successor to Medical Assurance, Inc. in connection with its merger with 

Professionals Group, Inc. (Professionals Group) in June 2001.

Much of our growth has occurred through mergers and acquisitions; we are the successor to twenty insurance 

organizations and have further grown our business with four significant renewal rights transactions. Key personnel have been 
retained in our acquisitions, allowing us to maintain market knowledge and preserve important institutional knowledge in 
underwriting, claims, risk management and marketing. Our ability to utilize this knowledge has allowed us to grow effectively 
through acquisitions.

Recent Developments

On January 1, 2013 we acquired Medmarc through a sponsored demutualization that provided Medmarc’s eligible 
members with cash payments of $146.2 million and future policy credits of $7.5 million, funded at acquisition. Medmarc is an 
underwriter of products liability insurance for medical technology and life sciences companies and also underwrites a book of 
legal professional liability insurance. 

On December 5, 2012 the Board of Directors of ProAssurance (the Board or our Board) declared a two-for-one split of 
our common stock effective December 27, 2012. Additionally, the Board declared a special dividend of $2.50 per share and a 
quarterly dividend of $0.25, both paid on December 27, 2012, on a post-split basis.

We entered into a revolving credit agreement in April 2011 and updated the agreement in September 2012. The 

agreement, which expires in April 2016, allows us to borrow up to $150 million for general corporate purposes, including, but 
not limited to, short-term working capital, share repurchases as authorized by the Board, and support for other activities we 
enter into in the normal course of business. In December 2012 we elected to partially fund our acquisition of Medmarc by 
borrowing $125 million from our existing credit facility on a fully secured basis as this allowed us to continue to hold rather 
than liquidate certain higher yielding securities. At December 31, 2012, $25 million of the credit facility remains available for 
use. See Note 10 of the Notes to Consolidated Financial Statements included herein for additional information regarding the 
revolving credit agreement.

During 2012, we used $57.7 million of available funds to repay long-term debt and terminate a related interest rate swap. 

We recognized a loss on the debt repayment of $2.2 million. 

On November 30, 2010 we acquired 100% of the outstanding shares of APS, a provider of medical professional liability 

(MPL) insurance for physicians largely in the state of Texas, in a transaction valued at $237 million, including cash paid of 
$233 million and liabilities assumed of $4 million. See Note 2 of the Notes to Consolidated Financial Statements included 
herein for additional information regarding the acquisition of APS.

In November 2010 the Board authorized $200 million to be used for the repurchase of our common stock or debt 
securities, which was in addition to previous authorizations of $100 million in September 2009, $100 million in August 2008 

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and $150 million in April 2007. As of February 14, 2013 approximately $135.1 million of the total amount authorized by the 
Board remains available for use.

On April 1, 2009 we acquired 100% of Podiatry Insurance Company of America (PICA) and subsidiaries. The transaction 

was valued at $134 million including future premium credits to qualified insureds of $15 million.

In December 2008 we repurchased $23 million of our outstanding trust preferred securities for approximately $18 

million. We recognized a gain of approximately $5 million on the extinguishment.

In July 2008 we converted all our outstanding Convertible Debentures (aggregate principal of $108 million), issued in 

2003, into approximately 5,144,000 shares of ProAssurance common stock. No gain or loss was recorded related to the 
conversion.

Products, Services and Marketing

Our insurance subsidiaries are primarily focused on providing professional liability insurance to individuals and 
institutions engaged in the delivery of healthcare. We also maintain a book of legal professional liability business. Physicians 
are currently our core customer group, but we target the full spectrum of the healthcare professional liability market. For our 
legal professional liability product, we target smaller law practices. Our Medmarc subsidiary, acquired on January 1, 2013, 
offers products liability insurance for medical technology and life sciences companies. While most of our business is written in 
the standard market, we also offer professional and products liability insurance on an excess and surplus lines basis. We are 
licensed to do business in every state.

We utilize independent agencies and brokers as well as an internal sales force to write our business. We estimate that with 

the addition of Medmarc approximately 65% of our gross premiums written in 2013 will be produced through independent 
insurance agencies or brokers. The agencies and brokerages we use typically sell through professional liability insurance 
specialists who are able to convey the factors that differentiate our professional liability insurance products. No single agent, 
broker, brokerage or agency accounts for more than 10% of our total direct premiums written.

Our marketing approach is closely tied to our promise of “Treated Fairly” which is our public pledge that all of our 

actions will deliver fair treatment, informed by the core values that guide our organization: integrity, respect, doctor 
involvement in our healthcare insurance activities, collaboration, communication, and enthusiasm. We emphasize that we offer:

• 

• 

• 

• 

• 

• 

• 

financial strength,

coverages tailored to meet the evolving needs and demands of our insureds and prospective customers

excellent claims and underwriting services,

risk management consultation, loss prevention seminars and other educational programs,

regular newsletters discussing matters of interest to healthcare providers, including updates on legislative 
developments,

support of legislation that will have a positive effect on healthcare liability issues, and

involvement in and support for local medical societies and related organizations.

These communications and services demonstrate our understanding of the professional liability insurance needs of the 

healthcare industry, promote a commonality of interest between us and our insureds and provide opportunities for targeted 
interactions with potential insureds.

Underwriting

Our underwriting process is driven by individual risk selection. Our underwriting decisions are focused on achieving 
pricing adequacy. For our professional liability business, we assess the quality and pricing of the risk, emphasizing loss history, 
areas of practice and location in making our underwriting decision. For our products liability business, we consider the type of 
risk, the amount of coverage being sought, the expertise and experience of the applicant, the location of the risk, and the 
expected volume of product sales in making our underwriting decision. In performing this assessment, our underwriters may 
also consult with internal actuaries regarding loss trends and pricing and utilize loss-rating models to assess the projected 
underwriting results of certain insured risks.

Our professional liability underwriting concentrates on knowledge of local market conditions and legal environments 
through market-focused underwriting offices located throughout our business footprint. Our underwriters work closely with our 
claims departments, consulting with staff about claims histories and patterns of practice in a particular locale as well as 
monitoring claims activity.

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For our MPL business, underwriters are assisted by our medical advisory committees that operate in our key markets. 

These committees are comprised of physicians, representatives of hospitals and healthcare entities, and other medical 
professionals, and help us maintain close ties to the medical communities in these markets, provide information on the practice 
of medicine in each market and provide guidance on critical underwriting issues.

Claims Management

We have professional liability claims offices strategically located throughout our business footprint so that we can provide 
specialized and timely attention to claims. If desired by the insured, we offer a strong defense of claims that we believe are non-
meritorious or claims that we believe cannot be settled reasonably by good faith negotiations. Many of these claims are 
resolved by jury verdict. Our products liability claims are centrally processed in Chantilly, Virginia. We strongly defend these 
claims as well, with a negotiated settlement being the most frequent means of resolution.

Our internal claims personnel promptly and thoroughly investigate the circumstances surrounding each reported claim 
against an insured. As this investigation progresses, our claims department develops an estimate of the case reserves for each 
claim. Thereafter, we monitor development of new information about the claim and adjust the case reserve as loss cost 
estimates are revised.

Through our investigation, and in consultation with the insured and appropriate experts, we evaluate the merit of the 
claim and determine the appropriate strategy for resolution of the claim, either seeking a reasonable good faith settlement 
appropriate for the circumstance of the claim or aggressively defending the claim. Our claims personnel carefully manage each 
case, and obtain medical, legal and/or other expert professionals as needed to assist in the analysis and defense of the claim. As 
part of the evaluation and preparation process for medical professional liability claims, we meet regularly with medical 
advisory committees in our key markets to examine claims, attempt to identify potentially troubling practice patterns and make 
recommendations to our staff. For both professional liability and products liability claims, we engage experienced, independent 
litigation attorneys in each venue to handle the defense of our policyholder and believe this practice aids us in  providing 
defense that is aggressive, effective and cost-efficient.

We believe our local approach to claims contributes to lower overall loss costs and results in customer loyalty, 
particularly for our physician insureds. Our claims personnel are experienced claims professionals who possess specialized 
knowledge of the local medical and legal environments and are able to effectively assist our independent attorneys with 
defending our claims.

Investments

The majority of our assets are held in our insurance companies, and we apply a consistent management strategy to the 

entire portfolio.

Our overall investment strategy is to focus on maximizing current income from our investment portfolio while 

maintaining safety, liquidity, duration targets and portfolio diversification. The portfolio is generally managed by professional 
third party asset managers whose results we monitor and evaluate. The asset managers typically have the authority to make 
investment decisions within the asset classes they are responsible for managing, subject to our investment policy and oversight, 
including a requirement that securities in a loss position cannot be sold without specific authorization from us. See Note 4 of 
the Notes to Consolidated Financial Statements for more information on our investments.

Rating Agencies

Our claims paying ability is regularly evaluated and rated by three major rating agencies, A. M. Best, Fitch and Moody’s. 

In developing their claims paying ratings, these agencies make an independent evaluation of an insurer’s ability to meet its 
obligations to policyholders. 

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The following table, which includes subsidiaries acquired January 1, 2013, presents the claims paying ratings of our core 

insurance subsidiaries as of February 14, 2013. NR indicates that the subsidiary has not been rated by the listed rating agency.

ProAssurance Indemnity Company, Inc.
ProAssurance Casualty Co.
ProAssurance Specialty Insurance Company, Inc.
Podiatry Insurance Company of America
PACO Assurance Company, Inc.
Medmarc Insurance Company
Noetic Specialty Insurance Company
Medmarc Casualty Insurance Company
Independent Nevada Doctors Insurance Company

A.M. Best
(www.ambest.com)
A (Excellent)
A (Excellent)
A (Excellent)
A (Excellent)
A-(Excellent)
A-(Excellent)
A-(Excellent)
A-(Excellent)
NR

Rating Agency
Fitch
(www.fitchratings.com)
A (Strong)
A (Strong)
A (Strong)
A (Strong)
A (Strong)
NR
NR
NR
A (Strong)

Moody’s
(www.moodys.com)
A3
A3
NR
A3
NR
NR
NR
NR
NR

Four rating agencies evaluate and rate our ability to service current debt and potential debt. These financial strength 

ratings reflect each agency’s independent evaluation of our ability to meet our obligation to holders of our debt, if any. While 
financial strength ratings may be of greater interest to investors than our claims paying ratings, these ratings are not evaluations 
of our equity securities nor a recommendation to buy, hold or sell our equity securities.

Competition

Within our primary MPL line of business, we compete in a fragmented market comprised of more than one hundred 
providers, according to 2011 industry data, with the top five writers having a combined market share of approximately 32%. We 
are the fourth largest MPL writer in the United States. Competitive distinctions vary from state-to-state and within areas of 
healthcare delivery (e.g., individual physicians vs. hospitals and facilities) and include pricing, size, name recognition, service 
quality, market commitment, market conditions, breadth and flexibility of coverage, method of sale, financial stability, ratings 
assigned by rating agencies and regulatory conditions. Our competitors range from large national insurers whose financial 
strength and resources may be greater than ours to smaller insurance entities that concentrate on a single state and as a result 
have an extensive knowledge of the local markets.

Our financial stability, local market presence and knowledge, leading position in a number of markets, service quality, 

experience insuring hospitals and facilities as well as individual providers, size, and geographic scope provide us with 
competitive advantages. We are widely recognized in our markets for our heritage as a policyholder founded company with a 
long-term focus on the professional liability insurance industry as well as our demonstrated commitment to the defense of non-
meritorious claims and the prompt, reasonable settlement of those claims that involve a breach of the applicable standard of 
professional care by our insured, and that have caused damages that are covered by our insurance policy.

Historically, we have principally insured solo or small group practitioners, but in recent years we have increased our 

focus on offering unique, joint or cooperative insurance programs that are attractive to hospitals or other large groups. Often, 
these large groups and hospitals choose to manage their MPL risks through alternative insurance mechanisms such as risk 
retention groups or self insurance entities, and we offer insurance programs designed to compete with these mechanisms. In 
recent years there has been a substantial increase in the number of physicians employed full time by hospitals or large group 
practices, which has required us to refine our existing hospital/physician insurance programs and develop new insurance 
mechanisms to serve this emerging market.

Our regional claims and underwriting offices also provide competitive advantages. We utilize our local market knowledge 

to rigorously underwrite each application for coverage to ensure that we understand and develop adequate prices for the risks 
we accept. Our local market knowledge also allows us to effectively evaluate claims because we have a detailed understanding 
of local medical and legal climates. Our locally-based claims and underwriting professionals allow us to cultivate and maintain 
active relationships with our customers so that we can quickly respond to their needs.

Additionally, we differentiate ProAssurance from our competitors through our “Treated Fairly” corporate culture. 
“Treated Fairly” is our public pledge that all of our actions will deliver fair treatment, informed by the core values that guide 
our organization: integrity, respect, doctor involvement in our healthcare insurance activities, collaboration, communication, 
and enthusiasm.

Economic pressures on our insureds continue to increase and we recognize the importance of providing our products at 

competitive rates. In general, loss cost trends have mitigated in recent years resulting in corresponding rate reductions. In 
addition to reflecting current loss trends in our filed rates, we have responded by offering targeted new business and renewal 

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retention programs in selected markets. These steps improve policyholder retention but decrease our average premiums. We do 
not aggressively compete on price alone, and we have not compromised our commitment to disciplined underwriting.

Insurance Regulatory Matters

We are subject to regulation under the insurance and insurance holding company statutes of various jurisdictions, 

including the domiciliary states of our active insurance subsidiaries and other states in which our insurance subsidiaries do 
business. Our active insurance subsidiaries are domiciled in Alabama, Illinois, Michigan, Nevada and Vermont.

Our insurance subsidiaries are required to file detailed annual statements with the state insurance regulators in each of the 
states in which they do business. The laws of the various states establish agencies with broad authority to regulate, among other 
things, licenses to transact business, premium rates for certain types of coverage, trade practices, agent licensing, policy forms, 
underwriting and claims practices, reserve adequacy, transactions with affiliates, and insurer solvency. Such regulations may 
hamper our ability to meet operating or profitability goals, including preventing us from establishing premium rates for some 
classes of insureds that adequately reflects the level of risk assumed for those classes. Many states also regulate investment 
activities on the basis of quality, distribution and other quantitative criteria. States have also enacted legislation regulating 
insurance holding company systems, including acquisitions, the payment of dividends, the terms of affiliate transactions, and 
other related matters.

Applicable state insurance laws, rather than federal bankruptcy laws, apply to the liquidation or reorganization of 

insurance companies.

Insurance companies are also subject to state and federal legislative and regulatory measures and judicial decisions. These 

could include new or updated definitions of risk exposure and limitations on business practices.

Insurance Regulation Concerning Change or Acquisition of Control

The insurance regulatory codes in each of the domiciliary states of our operating subsidiaries contain provisions (subject 

to certain variations) to the effect that the acquisition of “control” of a domestic insurer or of any person that directly or 
indirectly controls a domestic insurer cannot be consummated without the prior approval of the domiciliary insurance regulator. 
In general, a presumption of “control” arises from the direct or indirect ownership, control or possession with the power to vote 
or possession of proxies with respect to 10% (5% in Alabama) or more of the voting securities of a domestic insurer or of a 
person that controls a domestic insurer. Because of these regulatory requirements, any party seeking to acquire control of 
ProAssurance or any other domestic insurance company, whether directly or indirectly, would usually be required to obtain 
such approval.

In addition, certain state insurance laws contain provisions that require pre-acquisition notification to state agencies of a 
change in control of a non-domestic insurance company admitted in that state. While such pre-acquisition notification statutes 
do not authorize the state agency to disapprove the change of control, such statutes do authorize certain remedies, including the 
issuance of a cease and desist order with respect to the non-domestic admitted insurers doing business in the state if certain 
conditions exist, such as undue market concentration.

Statutory Accounting and Reporting

Insurance companies are required to file detailed quarterly and annual reports with the state insurance regulators in each 

of the states in which they do business, and their business and accounts are subject to examination by such regulators at any 
time. The financial information in these reports is prepared in accordance with Statutory Accounting Principles (SAP). 
Insurance regulators periodically examine each insurer’s adherence to SAP, financial condition, and compliance with insurance 
department rules and regulations.

In late 2010, the National Association of Insurance Commissioners (the NAIC) adopted the Model Insurance and Holding 

Company System Regulatory Act and Regulation (“Model Law”). The Model Law, as compared to previous NAIC guidance, 
increases regulatory oversight of and reporting by insurance holding companies, including reporting related to non-insurance 
entities, and requires reporting of risks affecting the holding company group. The Model Law will be binding only if adopted by 
state legislatures and/or state insurance regulatory authorities and actual regulations adopted by any state may differ from the 
Model Law. None of the states in which we are domiciled have adopted the Model Law.

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Regulation of Dividends and Other Payments from Our Operating Subsidiaries

Our operating subsidiaries are subject to various state statutory and regulatory restrictions that limit the amount of 
dividends or distributions an insurance company may pay to its shareholders, including our insurance holding company, without 
prior regulatory approval. Generally, dividends may be paid only out of earned surplus. In every case, surplus subsequent to the 
payment of any dividends must be reasonable in relation to an insurance company’s outstanding liabilities and must be adequate 
to meet its financial needs.

State insurance holding company regulations generally require domestic insurers to obtain prior approval of extraordinary 

dividends. Insurance holding company regulations that govern our principal operating subsidiaries deem a dividend as 
extraordinary if the combined dividends and distributions to the parent holding company in any twelve-month period are more 
than the greater of either the insurer’s net income (for Vermont and Michigan, net income not including realized capital gains) 
for the prior fiscal year or 10% of its surplus at the end of the prior fiscal year.

If insurance regulators determine that payment of a dividend or any other payments within a holding company group, 

(such as payments under a tax-sharing agreement or payments for employee or other services) would, because of the financial 
condition of the paying insurance company or otherwise, be a detriment to such insurance company’s policyholders, the 
regulators may prohibit such payments that would otherwise be permitted.

Risk-Based Capital

In order to enhance the regulation of insurer solvency, the NAIC specifies risk-based capital requirements for property 

and casualty insurance companies. At December 31, 2012, all of ProAssurance’s insurance subsidiaries exceeded the minimum 
required risk-based capital levels.

Investment Regulation

Our operating subsidiaries are subject to state laws and regulations that require diversification of investment portfolios 
and that limit the amount of investments in certain investment categories. Failure to comply with these laws and regulations 
may cause non-conforming investments to be treated as non-admitted assets for purposes of measuring statutory surplus and, in 
some instances, would require divestiture of investments. We monitor the practices used by our operating subsidiaries for 
compliance with applicable state investment regulations and take corrective measures when deficiencies are identified.

Guaranty Funds

Admitted insurance companies are required to be members of guaranty associations which administer state guaranty 

funds. To fund the payment of claims (up to prescribed limits) against insurance companies that become insolvent, these 
associations levy assessments on all member insurers in a particular state on the basis of the proportionate share of the 
premiums written by member insurers in the covered lines of business in that state. Maximum assessments permitted by law in 
any one year generally vary between 1% and 2% of annual premiums written by a member in that state, although state 
regulations may permit larger assessments if insolvency losses reach specified levels. Some states permit member insurers to 
recover assessments paid through surcharges on policyholders or through full or partial premium tax offsets, while other states 
permit recovery of assessments through the rate filing process. In recent years, participation in guaranty funds has not had a 
material effect on our results of operations.

Shared Markets

State insurance regulations may force us to participate in mandatory property and casualty shared market mechanisms or 

pooling arrangements that provide certain insurance coverage to individuals or other entities that are otherwise unable to 
purchase such coverage in the commercial insurance marketplace. Our operating subsidiaries’ participation in such shared 
markets or pooling mechanisms is not material to our business at this time.

Changes in Legislation and Regulation

Tort reforms generally restrict the ability of a plaintiff to recover damages by, among other limitations, eliminating certain 

claims that may be heard in a court, limiting the amount or types of damages, changing statutes of limitation or the period of 
time to make a claim, and limiting venue or court selection. A number of states in which we do business, notably Florida, 
Georgia, Illinois, Missouri, Ohio, Texas, and West Virginia, enacted tort reform legislation in the previous decade as a response 
to a rapid deterioration in loss trends. These reforms are generally thought to have contributed to the improvement in the overall 
loss trends in those states, although loss trends have also been favorable in states that did not pass any type of tort reform. In 
states where these reforms are perceived to have improved the MPL climate, we have experienced an increase in competition.

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The Missouri tort reform statutes were overturned in 2012, the Illinois and Georgia statutes were overturned in 2010, and 

challenges to tort reform are underway in most states where tort reforms have been enacted. Other state reforms may also be 
overturned, although we cannot predict with any certainty how appellate courts will rule. We monitor developments on a state-
by-state basis and make business decisions accordingly.

Tort reform proposals are considered from time to time at the Federal level. As in the states, passage of a Federal tort 
reform package would likely be subject to judicial challenge and we cannot be certain that it would be upheld by the courts.

The Patient Protection and Affordable Care Act of 2010, otherwise known as the Healthcare Reform Act, was passed and 

signed into law in March 2010. Although some provisions of the Act have already become effective, the most comprehensive 
provisions will become effective beginning in 2013.We do not expect that the provisions thus far enacted will have a significant 
direct effect on our business, but specific regulations to implement the law are still being written.

The Healthcare Reform Act is expected to have a significant impact on the practice of medicine in future years and could 

have unanticipated or indirect effects on our business or alter the risk and cost environments in which we and our insureds 
operate. These risks include: reduced operating margins that may cause physicians and hospitals to join in larger groupings 
which are more likely to utilize self-insured solutions for MPL insurance products; use of electronic medical records may lead 
to additional medical malpractice litigation or increase the cost of litigation; and patient dissatisfaction may increase due to 
greater strain on the patient-physician relationship. Conversely, it is anticipated that there will be growth in the number of 
ancillary healthcare providers that will become customers for MPL products. We are unable to predict with any certainty the 
effect that the Healthcare Reform Act or future related legislation will have on our insureds or our business.

The Dodd-Frank Wall Street Reform and Consumer Protection Act (Dodd-Frank Act) was passed in July 2010. Although 

provisions of the Act do not appear to materially affect our business, the Act establishes new regulatory oversight of financial 
institutions. As detailed regulations are developed to implement the provisions of the Dodd-Frank Act, there may be changes in 
the regulatory environment that affect the way we conduct our operations or the cost of compliance, or both.

Other federal initiatives could be proposed, including additional patient protection legislation that could ultimately affect 

our business. We are unable to predict the likelihood of any particular type of legislation becoming effective or the 
ramifications to our business.

In recent years, the insurance industry has been subject to increased scrutiny by regulators and legislators. The NAIC and 

a number of state legislatures have considered or adopted legislative proposals that alter and, in many cases, increase the 
authority of state agencies to regulate insurance companies and insurance holding company systems.

Employees

At December 31, 2012, we had 690 employees, none of whom were represented by a labor union. We consider our 

employee relations to be good. 

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ITEM 1A. RISK FACTORS.

There are a number of factors, many beyond our control, which may cause results to differ significantly from our 

expectations. Some of these factors are described below. Any factor described in this report could by itself, or together with one 
or more other factors, have a negative effect on our business, results of operations and/or financial condition. There may be 
factors not described in this report that could also cause results to differ from our expectations.

Insurance market conditions may alter the effectiveness of our current business strategy and impact our revenues.

The property and casualty insurance business is highly competitive. We compete with large national property and casualty 
insurance companies, locally-based specialty companies, self-insured entities and alternative risk transfer mechanisms (such as 
captive insurers and risk retention groups) whose activities are directed to limited markets in which they have extensive 
knowledge. Competitors include insurance companies that have substantially greater financial resources than we do, alternative 
risk transfer mechanisms used by hospitals purchasing physician practices, as well as mutual insurance companies and similar 
companies not owned by shareholders whose return on equity objectives may be lower than ours.

Competition in the property and casualty insurance business is based on many factors, including premiums charged and 

other terms and conditions of coverage, services provided, financial ratings assigned by independent rating agencies, claims 
services, reputation, geographic scope, local presence, agent and client relationships, financial strength and the experience of 
the insurance company in the line of insurance to be written. Increased competition could adversely affect our ability to attract 
and retain business at current premium levels, impact our market share and reduce the profits that would otherwise arise from 
operations.

Our results of operations and financial condition may be affected if actual insured losses differ from our loss reserves.

We establish reserves as balance sheet liabilities representing our estimates of amounts needed to pay reported and 
unreported losses and the related loss adjustment expense. Our largest liability is our reserve for loss and loss adjustment 
expenses. Due to the size of our reserve for loss and loss adjustment expenses, even a small percentage adjustment to our 
reserve can have a material effect on our results of operations for the period in which the change is made.

The process of estimating loss reserves is complex. Significant periods of time often elapse between the occurrence of an 
insured loss, the reporting of the loss by the insured and payment of that loss. Ultimate loss costs, even for claims with similar 
characteristics, can vary significantly depending upon many factors, including but not limited to, the nature of the claim and the 
personal situation of the claimant or the claimant’s family, the outcome of jury trials, the legislative and judicial climate where 
the insured event occurred, general economic conditions and, for MPL and medical products claims, the trend of healthcare 
costs. Consequently, the loss cost estimation process requires actuarial skill and the application of judgment, and such estimates 
require periodic revision. As part of the reserving process, we review the known facts surrounding reported claims as well as 
historical claims data and consider the impact of various factors such as:

• 

• 

• 

• 

• 

• 

• 

for reported claims, the nature of the claim and the jurisdiction in which the claim occurred;

trends in paid and incurred loss development;

trends in claim frequency and severity;

emerging economic and social trends;

trend of healthcare costs for MPL and medical products claims;

inflation; and

changes in the regulatory legal and political environment.

This process assumes that past experience, adjusted for the effects of current developments and anticipated trends, is an 

appropriate, but not necessarily accurate, basis for predicting future events. There is no precise method for evaluating the 
impact of any specific factor on the adequacy of reserves, and actual results are likely to differ from original estimates. We 
evaluate our reserves each period and increase or decrease reserves as necessary based on our estimate of future claims 
payments.  An increase to reserves has a negative effect on our results of operations in the period of increase; a reduction to 
reserves has a positive effect on our results of operations in the period of reduction.

Our loss reserves also may be affected by court decisions that expand liability of our policies after they have been issued 
and priced. In addition, a significant jury award, or series of awards, against one or more of our insureds could require us to pay 
large sums of money in excess of our reserved amounts. Due to uncertainties inherent in the jury system, any case that is 
litigated to a jury verdict has the potential to incur a loss that has a material adverse effect on our results of operations.

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We purchase reinsurance to mitigate the effect of large losses. Our receivable from reinsurers on unpaid losses and loss 

adjustment expenses represents our estimate of the amount of our reserve for losses that will be recoverable under our 
reinsurance programs. We base our estimate of funds recoverable upon our expectation of ultimate losses and the portion of 
those losses that we estimate to be allocable to reinsurers based upon the terms and conditions of our reinsurance agreements. 
Given the uncertainty of the ultimate amounts of our losses, our estimates of losses and related amounts recoverable may vary 
significantly from the eventual outcome. Also, we estimate premiums ceded under reinsurance agreements wherein the 
premium due to the reinsurer, subject to certain maximums and minimums, is based in part on losses reimbursed or to be 
reimbursed under the agreement. Due to the size of our reinsurance balances, changes to our estimate of the amount of 
reinsurance that is due to us could have a material effect on our results of operations in the period for which the change is made.

We are exposed to and may face adverse developments involving mass tort products liability claims arising from allegedly 
defective medical products, including medical devices, biotechnology and diagnostic products, prescription and non-
prescription pharmaceuticals, personal care products or animal healthcare products. 

Establishing claim and claim adjustment expense reserves for mass tort claims is subject to uncertainties due to many 

factors, including expanded theories of liability, geographical location and jurisdiction of the lawsuits and the number of 
manufacturers and/or distributors involved. Moreover, it is difficult to estimate our ultimate liability for such claims due to 
evolving judicial interpretations of various tort theories of liability and defense theories, such as federal preemption and joint 
and several liability, as well as the application of insurance coverage to these claims

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.

As part of our overall risk and capacity management strategy, we purchase reinsurance for significant amounts of risk 

underwritten by our insurance company subsidiaries. Market conditions beyond our control determine the availability and cost 
of the reinsurance. We may be unable to maintain current reinsurance coverage or to obtain other reinsurance coverage in 
adequate amounts and at favorable rates. If we are unable to renew our expiring coverage or to obtain new reinsurance 
coverage, either our net exposure to risk would increase or, if we are unwilling to bear an increase in net risk exposures, we 
would need to reduce the amount of our underwritten risk.

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

We transfer part of our risks to reinsurance companies in exchange for part of the premium we receive in connection with 
the risk. Although our reinsurance agreements make the reinsurer liable to us to the extent the risk is transferred, our liability to 
our policyholders remains our responsibility. If reinsurers fail to pay us or fail to pay on a timely basis, our financial results and/
or cash flows would be adversely affected and could have a material effect on our results of operations in the period in which 
uncollectible amounts are identified.

 At December 31, 2012 our Receivable from Reinsurers on Unpaid Losses is $191.6 million and our Receivable from 

Reinsurers on Paid Losses is $4.5 million. As of December 31, 2012 the estimated net amount due from four of our reinsurers 
exceeded $10 million, on an individual basis, with the largest estimated amount due from an individual reinsurer being $31.2 
million. A table listing reinsurers is provided in Item 7. Management's Discussion and Analysis, as a part of the Liquidity 
section, under the caption "Reinsurance".

Our claims handling could result in a bad faith claim against us.

We have been, from time to time, sued for allegedly acting in bad faith during our handling of a claim. The damages 
claimed in actions for bad faith may include amounts owed by the insured in excess of the policy limits as well as consequential 
and punitive damages. Awards above policy limits are possible whenever a case is taken to trial. These actions have the 
potential to have a material adverse effect on our financial condition and results of operations.

Changes in healthcare policy could have a material effect on our operations.

The Healthcare Reform Act was passed and signed into law in March 2010. While the primary provisions of the 
Healthcare Reform Act do not appear to directly affect our business, specific regulations to implement the law are still being 
written.

The Healthcare Reform Act is expected to have a significant impact on the practice of medicine in future years and could 

have unanticipated or indirect effects on our business or alter the risk and cost environments in which we and our insureds 
operate. These risks include: reduced operating margins that may cause physicians and hospitals to join in larger groupings 
which are more likely to utilize self-insured solutions for MPL insurance products; use of electronic medical records may lead 
to additional medical malpractice litigation or increase the cost of litigation; and patient dissatisfaction may increase due to 

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greater strain on the patient-physician relationship. Conversely, it is anticipated that there will be growth in the number of 
ancillary healthcare providers that will become customers for MPL products. We are unable to predict with any certainty the 
effect that the Healthcare Reform Act or future related legislation will have on our insureds or our business.

Changes due to financial reform legislation could have a material effect on our operations.

The Dodd-Frank Act was passed and signed into law in July 2010. The provisions of the bill do not appear to materially 

affect our operations; however, the bill establishes new regulatory oversight of financial institutions and regulations to 
implement the Act remain in the process of development. As detailed regulations are developed to implement the provisions of 
the bill, there may be changes in the regulatory environment that affect the way we conduct our operations or the cost of 
regulatory compliance, or both. We are unable to predict with any certainty the effect that the Dodd-Frank Act will have on our 
business.

The passage of tort reform or other legislation, and the subsequent review of such laws by the courts could have a material 
impact on our operations.

Tort reforms generally restrict the ability of a plaintiff to recover damages by, among other limitations, eliminating certain 

claims that may be heard in a court, limiting the amount or types of damages, changing statutes of limitation or the period of 
time to make a claim, and limiting venue or court selection. A number of states in which we do business, notably Florida, 
Georgia, Illinois, Missouri, Ohio, Texas, and West Virginia, enacted tort reform legislation in the previous decade as a response 
to a rapid deterioration in loss trends. 

Challenges to tort reform are underway in most states where tort reforms have been enacted. The statutes in Missouri 
were overturned in 2012; those in Georgia and Illinois were overturned in 2010. We cannot predict with any certainty how other 
state appellate courts will rule on these laws. While the effects of tort reform have been generally beneficial to our business in 
states where these laws have been enacted, there can be no assurance that such reforms will be ultimately upheld by the courts. 
Further, if tort reforms are effective, the business of providing professional liability insurance may become more attractive, 
thereby causing an increase in competition. In addition, the enactment of tort reforms could be accompanied by legislation or 
regulatory actions that may be detrimental to our business because of expected benefits which may or may not be realized. 
These expectations could result in regulatory or legislative action limiting the ability of professional liability insurers to 
maintain rates at adequate levels. Coverage mandates or other expanded insurance requirements could also be imposed. States 
may also consider state-sponsored MPL insurance entities that could remove some physicians from the private insurance 
market.

We continue to monitor developments on a state-by-state basis, and make business decisions accordingly.

Our performance is dependent on the business, economic, regulatory and legislative conditions of states where we have a 
significant amount of business.

Our top five states, Alabama, Texas, Ohio, Florida and Michigan, represented 44% of our gross premiums written for the 
year ended December 31, 2012. Moreover, on a combined basis, Alabama, Texas and Ohio accounted for 32%, 33%, and 28% 
of our gross premiums written for the years ended December 31, 2012, 2011 and 2010, respectively. Because of these 
concentrations, unfavorable business, economic or regulatory conditions in any of these states could have a disproportionately 
greater effect on us than they would if we were less geographically concentrated.

We may be unable to identify future strategic acquisitions or expected benefits from completed and proposed acquisitions may 
not be achieved or may be delayed longer than expected.

Our corporate strategy anticipates growth through the acquisition of other companies or books of business. However, such 
expansion is opportunistic and sporadic, and there is no guarantee that we will be able to identify strategic acquisition targets in 
the future. Additionally, if we are able to identify a strategic target for acquisition, state insurance regulation concerning change 
or acquisition of control could delay or prevent us from growing through acquisitions. State insurance regulatory codes provide 
that the acquisition of “control” of a domestic insurer or of any person that directly or indirectly controls a domestic insurer 
cannot be consummated without the prior approval of the domiciliary insurance regulator. There is no assurance that we will 
receive such approval from the respective insurance regulator or that such approvals will not be conditioned in a manner that 
materially and adversely affects the aggregate economic value and business benefits expected to be obtained and cause us to not 
complete the acquisition.

There is no guarantee that any businesses acquired in the future will be successfully integrated, and the ineffective 
integration of our businesses and processes may result in substantial costs or delays and adversely affect our ability to compete. 
The process of integrating an acquired company or business can be complex and costly, and may create unforeseen operating 
difficulties and expenditures. Potential problems that may arise include, among other reasons, business disruption, loss of 

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customers and employees, the ineffective integration of underwriting, claims handling and actuarial practices, the increase in 
the inherent uncertainty of reserve estimates for a period of time until stable trends reestablish themselves within the combined 
organization, diversion of management time and resources to acquisition integration challenges, the cultural challenges 
associated with integrating employees, increased operating costs or inability to achieve cost savings, and the assumption of 
greater than expected liabilities. 

If we are unable to maintain favorable financial strength ratings, it may be more difficult for us to write new business or renew 
our existing business.

Independent rating agencies assess and rate the claims-paying ability and the financial strength of insurers based upon 

criteria established by the agencies. Periodically the rating agencies evaluate us to confirm that we continue to meet the criteria 
of previously assigned ratings. The financial strength ratings assigned by rating agencies to insurance companies represent 
independent opinions of financial strength and ability to meet policyholder and debt obligations and are not directed toward the 
protection of equity investors. 

Our principal operating subsidiaries hold favorable claims paying ratings with A.M. Best, Fitch and Moody’s. Claims 

paying ratings are used by agents and customers as an important means of assessing the financial strength and quality of 
insurers. If our financial position deteriorates or the rating agencies significantly change the rating criteria that are used to 
determine ratings, we may not maintain our favorable financial strength ratings from the rating agencies. A downgrade or 
involuntary withdrawal of any such rating could limit or prevent us from writing desirable business.

The following table, which includes subsidiaries acquired January 1, 2013, presents the claims paying ratings of our core 

insurance subsidiaries as of February 14, 2013. NR indicates that the subsidiary has not been rated by the listed rating agency.

ProAssurance Indemnity Company, Inc.
ProAssurance Casualty Co.
ProAssurance Specialty Insurance Company, Inc.
Podiatry Insurance Company of America
PACO Assurance Company, Inc.
Medmarc Insurance Company
Noetic Specialty Insurance Company
Medmarc Casualty Insurance Company
Independent Nevada Doctors Insurance Company

A.M. Best
(www.ambest.com)
A (Excellent)
A (Excellent)
A (Excellent)
A (Excellent)
A-(Excellent)
A-(Excellent)
A-(Excellent)
A-(Excellent)
NR

Rating Agency

Fitch
(www.fitchratings.com)
A (Strong)
A (Strong)
A (Strong)
A (Strong)
A (Strong)
NR
NR
NR
A (Strong)

Moody’s
(www.moodys.com)
A3
A3
NR
A3
NR
NR
NR
NR
NR

Four rating agencies evaluate and rate our ability to service current debt and potential debt. These financial strength 

ratings reflect each agency’s independent evaluation of our ability to meet our obligation to holders of our debt, if any. While 
these ratings may be of greater interest to investors than our claims paying ratings, these are not ratings of our equity securities 
nor a recommendation to buy, hold or sell our equity securities.

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Our business could be adversely affected by the loss of independent agents or brokers.

We depend in part on the services of independent agents and brokers in the marketing of our insurance products. We face 

competition from other insurance companies for their services and allegiance. These agents and brokers may choose to direct 
business to competing insurance companies.

Our business could be adversely affected by the loss of one or more senior executives.

We are heavily dependent upon our senior management, and the loss of services of our senior executives could adversely 
affect our business. Our success has been, and will continue to be, dependent on our ability to retain the services of existing key 
employees and to attract and retain additional qualified personnel in the future. The loss of the services of key employees or 
senior managers, or the inability to identify, hire and retain other highly qualified personnel in the future, could adversely affect 
the quality and profitability of our business operations.

Our Board regularly reviews succession planning relating to our Chief Executive Officer as well as other senior officers. 

Mr. Starnes, our Chief Executive Officer, has indicated to the Board that he has no immediate plans for retirement.

Provisions in our charter documents, Delaware law and state insurance law may impede attempts to replace or remove 
management or may impede a takeover, which could adversely affect the value of our common stock.

Our certificate of incorporation, bylaws and Delaware law contain provisions that may have the effect of inhibiting a non-
negotiated merger or other business combination. We currently have no preferred stock outstanding, and no present intention to 
issue any shares of preferred stock. In addition, our Corporate Governance Principles provide that the Board, subject to its 
fiduciary duties, will not issue any series of preferred stock for any defense or anti-takeover purpose, for the purpose of 
implementing any stockholders rights plan, or with features intended to make any acquisition more difficult or costly without 
obtaining stockholder approval. However, because the rights and preferences of any series of preferred stock may be set by the 
Board in its sole discretion, the rights and preferences of any such preferred stock may be superior to those of our common 
stock and thus may adversely affect the rights of the holders of common stock.

The voting structure of common stock and other provisions of our certificate of incorporation are intended to encourage a 

person interested in acquiring us to negotiate with, and to obtain the approval of, the Board in connection with a transaction. 
However, certain of these provisions may discourage our future acquisition, including an acquisition in which stockholders 
might otherwise receive a premium for their shares. As a result, stockholders who might desire to participate in such a 
transaction may not have the opportunity to do so.

In addition, state insurance laws provide that no person or entity may directly or indirectly acquire control of an insurance 

company unless that person or entity has received approval from the insurance regulator. An acquisition of control of 
ProAssurance would be presumed if any person or entity acquires 10% (5% in Alabama) or more of our outstanding common 
stock, unless the applicable insurance regulator determines otherwise. These provisions apply even if the offer may be 
considered beneficial by stockholders.

We are a holding company and are dependent on dividends and other payments from our operating subsidiaries, which are 
subject to dividend restrictions.

We are a holding company whose principal source of funds is cash dividends and other permitted payments from 
operating subsidiaries. If our subsidiaries are unable to make payments to us, or are able to pay only limited amounts, we may 
be unable to make payments on our indebtedness, meet other holding company financial obligations, or pay dividends to 
shareholders. The payment of dividends by these operating subsidiaries is subject to restrictions set forth in the insurance laws 
and regulations of their respective states of domicile, as discussed in Item 1 Insurance Regulatory Matters.

Regulatory requirements or changes to regulatory requirements could have a material effect on our operations.

Our insurance businesses are subject to extensive regulation by state insurance authorities in each state in which they 
operate. Regulation is intended for the benefit of policyholders rather than shareholders. In addition to the amount of dividends 
and other payments that can be made to a holding company by insurance subsidiaries, these regulatory authorities have broad 
administrative and supervisory power relating to:

• 

• 

• 

• 

• 

licensing requirements;

trade practices;

capital and surplus requirements;

investment practices; and

rates charged to insurance customers.

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These regulations may impede or impose burdensome conditions on rate changes or other actions that we may desire to 
take in order to enhance our results of operations. In addition, we may incur significant costs in the course of complying with 
regulatory requirements. Most states also regulate insurance holding companies like us in a variety of matters such as 
acquisitions, changes of control and the terms of affiliated transactions.

Also, certain states sponsor MPL insurance entities which affects the amount and type of MPL coverages purchased by 

healthcare providers in the sponsoring state. Changes to the number of state sponsored entities of this type could result in a 
large number of healthcare practitioners changing the amount and type of coverage purchased from private insurance entities 
such as ProAssurance.

The guaranty fund assessments that we are required to pay to state guaranty associations may increase and results of 
operations and financial condition could suffer as a result.

Each state in which we operate has separate insurance guaranty fund laws requiring admitted property and casualty 
insurance companies doing business within their respective jurisdictions to be members of their guaranty associations. These 
associations are organized to pay covered claims (as defined and limited by the various guaranty association statutes) under 
insurance policies issued by insurance companies that have become insolvent. Most guaranty association laws enable the 
associations to make assessments against member insurers to obtain funds to pay covered claims after a member insurer 
becomes insolvent. These associations levy assessments (up to prescribed limits) on all member insurers in a particular state on 
the basis of the proportionate share of the premiums written by member insurers in the covered lines of business in that state. 
Maximum assessments generally vary between 1% and 2% of annual premiums written by a member in that state. Some states 
permit member insurers to recover assessments paid through surcharges on policyholders or through full or partial premium tax 
offsets, while other states permit recovery of assessments through the rate filing process. In 2012, net guaranty fund 
assessments approximated $0.3 million, while in 2011, refunds/recoupments exceeded assessments by $0.1 million. Our 
practice is to accrue for insurance insolvencies when notified of assessments. We are not able to reasonably estimate 
assessments or develop a meaningful range of possible assessments prior to notice because the guaranty funds do not provide 
sufficient information for development of such estimates or ranges.

Our investment results will fluctuate as interest rates change.

Our investment portfolio is primarily comprised of interest-earning assets, marked to market each period. Thus, 

prevailing economic conditions, particularly changes in market interest rates, may significantly affect our results of operations. 
Significant movements in interest rates potentially expose us to lower yields or lower asset values. Changes in market interest 
rate levels generally affect our net income to the extent that reinvestment yields are different than the yields on maturing 
securities. Changes in interest rates also can affect the value of our interest-earning assets, which are principally comprised of 
fixed and adjustable-rate investment securities. Generally, the values of fixed-rate investment securities fluctuate inversely with 
changes in interest rates. Interest rate fluctuations could adversely affect our stockholders’ equity, income and/or cash flows.

Our investments are subject to credit, prepayment risk and other risks.

A significant portion of our total assets ($3.9 billion or 81%) at December 31, 2012 are financial instruments whose value 

can be significantly affected by economic and market factors beyond our control including, among others, the unemployment 
rate, the strength of the domestic housing market, the price of oil, changes in interest rates and spreads, consumer confidence, 
investor confidence regarding the economic prospects of the entities in which we invest, corrective or remedial actions taken by 
the entities in which we invest, including mergers, spin-offs and bankruptcy filings, the actions of the U.S. government, and 
global perceptions regarding the stability of the U.S. economy. Adverse economic and market conditions could cause 
investment losses or other-than-temporary impairments of our securities, which could affect our financial condition, results of 
operations, or cash flows.

At December 31, 2012 approximately 13% of our investment portfolio is invested in mortgage and asset-backed 
securities. We utilize ratings determined by Nationally Recognized Statistical Rating Organizations (NRSROs) (Moody’s, 
Standard & Poor’s, and Fitch) as an element of our evaluation of the credit worthiness of our securities. The ratings are subject 
to error by the agencies; therefore, we may be subject to additional credit exposure should the rating be misstated.

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At December 31, 2012, we held the following asset-backed securities:

Asset backed securities collateralized by:

(In thousands)

Agency mortgages (2)
Non-agency mortgages
Subprime home equity loans
Alt - A mortgages
Agency commercial mortgages
Other commercial mortgages
Credit card loans
Automobile loans
Other asset loans

Total asset-backed securities

Carrying
Value (1)

Amortized
Cost Basis

NRSRO Weighted
Average Rating

$

$

275,670
6,791
7,304
7,389
59,464
74,106
17,967
33,622
12,379
494,692

$

$

259,327
6,546
7,809
7,117
57,234
69,062
17,405
33,356
12,100
469,956

AA+
A
BBB+
B-
AA+
AAA
AAA
AAA
AA
AA+

(1)  At December 31, 2012 all asset-backed securities were carried at fair value.
(2)  Guaranteed by Ginnie Mae, Fannie Mae or Freddie Mac

Persistent value declines in the U.S. housing and real estate markets as well as the U.S. economic downturn have resulted 
in increases in delinquencies and losses with respect to mortgage- and asset-backed securities. The value of our mortgage- and 
asset-backed securities is subject to the risk that some of these investments may default or become significantly impaired. Such 
defaults or impairments would result in realized investment losses.

Our asset-backed securities are also subject to prepayment risk. A prepayment is the unscheduled return of principal. 
When rates decline, the propensity for refinancing may increase and the period of time we hold our asset-backed securities may 
shorten due to prepayments. Prepayments may cause us to reinvest cash proceeds at lower yields than the retired security. 
Conversely, as rates increase, and motivations for prepayments lessen, the period of time we hold our asset-backed securities 
may lengthen, causing us to not reinvest cash flows at the higher available yields.

At December 31, 2012 the fair value of our state/municipal portfolio was $1.2 billion (amortized cost basis of $1.1 

billion). While our state/municipal portfolio had a high credit rating (AA on average) which indicates a strong ability to pay, 
there is no assurance that there will not be a credit related event which would cause fair values to decline. The economic 
downturn in preceding years lessened tax receipts and other revenues in many states and their municipalities and the frequency 
of credit downgrades of these entities has increased.

U.S. Government debt rating has been downgraded.

In August 2011, one of the major rating agencies downgraded the rating of U.S. Government debt. Other rating agencies 
have indicated that they will likely downgrade U.S. Government debt in 2013 if significant fiscal reform is not implemented.   
The rating agencies have also indicated that debt instruments of issuers dependent upon federal support and distributions, 
including state and local municipalities, may also be downgraded, but this has not yet occurred to any widespread extent except 
with respect to U.S. Agency debt or U.S. Agency guaranteed debt. If ratings downgrades become more widespread, the average 
credit rating of our investment portfolio will be reduced. Due to the unpredictable nature of this situation, we are unable to 
provide a reliable estimate regarding the extent to which our portfolio might be affected. As of December 31, 2012 debt 
securities represented 88% of our total investments and included U.S. Government debt, U.S. Agency debt, and U.S. Agency 
guaranteed debt having a combined fair value of $598 million and state and municipal securities having a combined fair value 
of $1.2 billion.

In a period of market illiquidity and instability, the fair values of our investments are more difficult to assess and our 
assessments may prove to be greater or less than amounts received in actual transactions.

In accordance with applicable GAAP, we value 96% of our investments at fair value and the remaining 4% at cost, equity, 

or cash surrender value. See Notes 1, 3 and 4 of the Notes to Consolidated Financial Statements for additional information.

We determine the fair value of our investments using quoted exchange or over-the-counter (OTC) prices, when available. 
At December 31, 2012, we valued approximately 7% of our investments in this manner. When exchange or OTC quotes are not 
available, we estimate fair values based on broker dealer quotes and various other valuation methodologies, which may require 
us to choose among various input assumptions and which requires us to utilize judgment. At December 31, 2012 approximately 
89% of our investments were valued in this manner. When markets exhibit much volatility, there is more risk that we may 

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utilize a quoted market price, broker dealer quote, valuation technique or input assumption that results in a fair value estimate 
that is either over or understated as compared to actual amounts received upon disposition or maturity of the security.

Our Board may decide that our financial condition does not allow the continued payment of a quarterly cash dividend, or 
requires that we reduce the amount of our quarterly cash dividend.

Our Board approved a cash dividend policy in September 2011, most recently paid at $0.25 per share. However, any 

decision to pay future cash dividends is subject to the Board’s final determination after a comprehensive review of the 
Company’s financial performance, future expectations and other factors deemed relevant by the Board.

Resolution of uncertain tax matters and changes in tax laws or taxing authority interpretations of tax laws could result in actual 
tax benefits or deductions that are different than we have estimated, both with regard to amounts recognized and the timing of 
recognition. Such differences could affect our results of operations or cash flows.

Our provision for income taxes, our recorded tax liabilities and net deferred tax assets, including any valuation 

allowances, are recorded based on estimates. These estimates require us to make significant judgments regarding a number of 
factors, including, among others, the applicability of various federal and state laws, the interpretations given to those tax laws 
by taxing authorities, courts and ProAssurance, the timing of future income and deductions, and our expected levels and sources 
of future taxable income. We believe our tax positions are supportable under tax laws and that our estimates are prepared in 
accordance with GAAP. Additionally, from time to time there are changes to tax laws and interpretations of tax laws which 
could change our estimates of the amount of tax benefits or deductions expected to be available to us in future periods. In either 
case, changes to our prior estimates would be reflected in the period changed and could have a material effect on our effective 
tax rate, financial position, results of operations and cash flow.

We are subject to U.S. federal and various state income taxes. We are periodically under routine examination by various 

federal, state and local authorities regarding income tax matters and our tax positions could be successfully challenged; the 
costs of defending our tax positions could be considerable. Our estimate of our potential liability for known uncertain tax 
positions is reflected in our financial statements and considers the Notice of Proposed Adjustment (NOPA) received in 2012, as 
discussed in the following paragraph. As of December 31, 2012 our current tax liability was approximately $19.3 million, 
which included our liability for unrecognized current tax benefits of $4.8 million, and we had net deferred tax liabilities of 
approximately $14.6 million. Unrecognized tax benefits at December 31, 2012, if recognized, would not affect the effective tax 
rate but would accelerate the payment of tax.

 In December 2012 we received a NOPA related to our federal returns for the 2009 and 2010 tax years which would 

substantially reduce the deduction allowed for our loss and loss adjustment expenses and would increase taxes due by 
approximately $130 million. The proposed adjustment affects only the timing of our deduction and any payment acceleration 
resulting from the NOPA would not increase tax expense for the current or prior periods, exclusive of interest that might be 
assessed on past-due taxes, if any. Any payments would come out of our cash and investments and could reduce future 
investment earnings. We disagree with and are contesting the position taken by the IRS but cannot reliably predict the timing of 
the final resolution or the ultimate outcome. 

New or changes in existing accounting standards, practices and/or policies, and also subjective assumptions, estimates and 
judgments by management related to complex accounting matters could significantly affect our financial results.

U.S. generally accepted accounting principles (GAAP) and related accounting pronouncements, implementation 
guidelines and interpretations with regard to a wide range of matters that are relevant to our business, such as revenue 
recognition, estimation of losses, determination of fair value, asset impairment (particularly investment securities and goodwill) 
and tax matters, are highly complex and involve many subjective assumptions, estimates and judgments. Changes in these rules 
or their interpretation or changes in underlying assumptions, estimates, or judgments could significantly change our reported or 
expected financial performance or financial condition. See Note 1 of the Notes to Consolidated Financial Statements for the 
discussion on accounting policies.

ProAssurance is primarily a holding company of insurance subsidiaries which are required to comply with statutory 
accounting principles (SAP). SAP and its components are subject to review by the NAIC and state insurance departments. The 
NAIC Accounting Practices and Procedures manual provides that a state insurance department may allow insurance companies 
that are domiciled in that state to depart from SAP by granting them permitted non-SAP accounting practices. This permission 
may allow for more favorable treatment to competitors.

It is uncertain whether or how SAP might be revised or whether any revisions will have a positive or negative effect. It is 

also uncertain whether any changes to SAP or its components or any permitted non-SAP accounting practices granted to our 
competitors will negatively affect our financial results or operations. See the Insurance Regulatory Matters section in Item 1 for 
the full discussion on regulatory matters.

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ITEM 1B. UNRESOLVED STAFF COMMENTS

None. 

ITEM 2. PROPERTIES

We own five office properties, all of which are unencumbered:

Property  Location
Birmingham, AL *
Franklin, TN
Okemos, MI
Madison, WI
Las Vegas, NV

* Corporate Office

Square Footage of Properties

Occupied by
ProAssurance

Leased or Available
for Lease

Total

104,000
52,000
53,000
38,000
4,640

61,000
51,000
—
—
—

165,000
103,000
53,000
38,000
4,640

ITEM 3. LEGAL PROCEEDINGS

Our insurance subsidiaries are involved in various legal actions, a substantial number of which arise from claims made 

under insurance policies. While the outcome of all legal actions is not presently determinable, management and its legal counsel 
are of the opinion that these actions will not have a material adverse effect on our financial position or results of operations. See 
Note 9 of the Notes to Consolidated Financial Statements included herein.

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EXECUTIVE OFFICERS OF PROASSURANCE CORPORATION

The executive officers of ProAssurance Corporation (ProAssurance) serve at the pleasure of the Board. We have a 

knowledgeable and experienced management team with established track records in building and managing successful 
insurance operations. In total, our senior management team has average experience in the insurance industry of 29 years. 
Following is a brief description of each executive officer of ProAssurance, including their principal occupation, and relevant 
background with ProAssurance and former employers.

W. Stancil Starnes

Victor T. Adamo

Howard H. Friedman

Jeffrey P. Lisenby

Mr. Starnes was appointed as Chief Executive Officer of ProAssurance in July 2007 and has 
served as the Chairman of the Board since October 2008. Mr. Starnes previously served as 
President, Corporate Planning and Administration of Brasfield & Gorrie, Inc., a large 
commercial construction firm. Prior to October 2006, Mr. Starnes served as the Senior and 
Managing Partner of the law firm of Starnes & Atchison, LLP, where he was extensively 
involved with ProAssurance and its predecessors in the defense of medical professional 
liability claims for over 25 years. Mr. Starnes currently serves as a director of Infinity 
Property and Casualty Corporation, a public insurance holding company, where he serves on 
the audit, compensation and executive committees. He formerly served as a director of 
Alabama National Bancorporation. (Age 64)

Mr. Adamo was appointed Vice Chairman in May 2012 and has been an executive officer of 
ProAssurance since its inception. Mr. Adamo served as an officer of ProAssurance's 
insurance subsidiary, ProAssurance Casualty Company (formerly, ProNational Insurance 
Company) from 1985 to 2001, and as a director and President and Chief Executive Officer 
of its former holding company, Professionals Group, Inc. from 1996 to 2001. From 1975 to 
1985, Mr. Adamo was in private legal practice and represented the predecessor to 
Professionals Group, Inc. Mr. Adamo is a Chartered Property Casualty Underwriter. (Age 
64)

Mr. Friedman was appointed as a Co-President of our Professional Liability Group in 
October 2005, and is also our Chief Underwriting Officer. Mr. Friedman has previously 
served as Chief Financial Officer, Corporate Secretary, and as the Senior Vice President of 
Corporate Development. Mr. Friedman joined our predecessor in 1996. Mr. Friedman is an 
Associate of the Casualty Actuarial Society. (Age 54)

Mr. Lisenby was appointed as a Senior Vice President in December 2007 and has served as 
our Corporate Secretary since January 2006 and head of the corporate Legal Department 
since 2001. Mr. Lisenby previously practiced law privately in Birmingham, Alabama. Mr. 
Lisenby is a member of the Alabama State Bar and the United States Supreme Court Bar and 
is a Chartered Property Casualty Underwriter. (Age 44)

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Frank B. O’Neil

Edward L. Rand, Jr.

Darryl K. Thomas

Mr. O’Neil was appointed as our Senior Vice President of Corporate Communications and
Investor Relations in September 2001. Mr. O’Neil joined our predecessor in 1987 and has
been our Senior Vice President of Corporate Communications since 1997. (Age 59)

Mr. Rand was appointed Chief Financial Officer in April 2005, having joined ProAssurance
as our Senior Vice President of Finance in November 2004. Prior to joining ProAssurance
Mr. Rand was the Chief Accounting Officer and Head of Corporate Finance for PartnerRe
Ltd. Prior to that time Mr. Rand served as the Chief Financial Officer of Atlantic American
Corporation. Mr. Rand is a Certified Public Accountant. (Age 46)

Mr. Thomas has been with ProAssurance since its inception and currently serves as a Co-
President of our Professional Liability Group, a position he has held since October 2005,
and as our Chief Claims Officer. Previously, Mr. Thomas was Senior Vice President of
Claims for Professionals Group. Prior to joining the predecessor to Professionals Group in
1995, Mr. Thomas was Executive Vice President of a national third-party administrator of
professional liability claims. Prior to that time, Mr. Thomas served as Vice President and
Litigation Counsel for the Kentucky Hospital Association. (Age 55)

We have adopted a code of ethics that applies to our directors and executive officers, including but not limited to our 

principal executive officers, principal financial officer, and principal accounting officer. We also have share ownership 
guidelines in place to ensure that management maintains a significant portion of their personal investments in the stock of 
ProAssurance. Both our Code of Ethics and our Share Ownership Guidelines are available on the Governance section of our 
website. Printed copies of these documents may be obtained from Frank O’Neil, Senior Vice President, ProAssurance 
Corporation, either by mail at P.O. Box 590009, Birmingham, Alabama 35259-0009, or by telephone at (205) 877-4400 or 
(800) 282-6242.

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PART II

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

At February 14, 2013, ProAssurance Corporation (PRA) had 3,131 stockholders of record and 61,623,504 shares of 

common stock outstanding. ProAssurance’s common stock currently trades on the New York Stock Exchange (NYSE) under 
the symbol “PRA”.

Quarter
First
Second
Third
Fourth

First
Second
Third
Fourth*

2012

2011

High

Low

High

Low

$

$

$

45.00
45.06
46.29
46.49

39.35
41.94
43.80
42.17

Dividends Declared
2012
2011

$

0.125
0.125
0.125
2.750

—
—
0.125
0.125

$

$

$

32.04
35.16
36.48
40.61

28.98
31.25
33.28
34.64

Dividends Paid

2012

2011

$

0.125
0.125
0.125
2.875

—
—
—
0.125

* Includes a special dividend of $2.50 per common share in 2012.

The Board of ProAssurance declared a two-for-one stock split on December 5, 2012, effected December 27, 2012 in the 
form of a stock dividend. All share information provided in this report considers the effect of the split for all periods presented. 
The Board initiated a regular quarterly dividend in September 2011 and on December 5, 2012 declared a special dividend of 
$2.50 per common share that was paid December 27, 2012. Any decision to pay regular or special cash dividends in the future 
is subject to the Board’s final determination after a comprehensive review of financial performance, future expectations and 
other factors deemed relevant by the Board. 

ProAssurance’s insurance subsidiaries are subject to restrictions on the payment of dividends to the parent. Information 

regarding restrictions on the ability of the insurance subsidiaries to pay dividends is incorporated by reference from the 
paragraphs under the caption “Insurance Regulatory Matters–Regulation of Dividends and Other Payments from Our Operating 
Subsidiaries” in Item 1 of this 10-K.

Securities Authorized for Issuance Under Equity Compensation Plans

The following table provides information regarding ProAssurance’s equity compensation plans as of December 31, 2012.

Plan Category

Equity compensation plans approved by
security holders

Equity compensation plans not approved
by security holders

Number of securities to be
issued upon exercise of
outstanding options, warrants
and rights

Weighted-average
exercise price of
outstanding options,
warrants and rights

(a)

(b)

Number of securities
remaining available
for future issuance
under equity compensation
plans (excluding securities reflected
in column (a))
(c)

909,021

$

23.22 * 

2,507,279

—

—   

—

*Applicable only to approximately 20,000 outstanding options. Other outstanding share units have no exercise price.

Issuer Purchases of Equity Securities

No shares were purchased as part of publicly announced plans or programs during the fourth quarter of 2012. Of the $200 

million authorized by the ProAssurance Board of Directors in November 2010 for the repurchase of common shares or the 
retirement of outstanding debt, $135.1 million remained available for use as of December 31, 2012.

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ITEM 6. SELECTED FINANCIAL DATA.

2012

Year Ended December 31

2011

2010
(In thousands except per share data)

2009

Selected Financial Data (1)
Gross premiums written
Net premiums earned
Net investment income
Equity in earnings (loss) of unconsolidated
subsidiaries
Net realized investment gains (losses)
Other revenues

Total revenues

Net losses and loss adjustment expenses
Net income (2)
Net income per share (3):

Basic
Diluted

Weighted average shares outstanding (3):

Basic
Diluted

Balance Sheet Data (as of December 31)
Total investments
Total assets
Reserve for losses and loss adjustment
expenses

Long-term debt
Total liabilities
Total capital
Total capital per share of common stock
outstanding (3)

$

$

$
$

$

536,431
550,664
136,094

$

565,895
565,415
140,956

(6,873)
28,863
7,106
715,854
179,913
275,470

4.49
4.46

61,342
61,833

$

$
$

(9,147)
5,994
13,566
716,784
162,287
287,096

4.70
4.65

61,140
61,684

$

$
$

$

$

$
$

533,205
519,107
146,380

1,245
17,342
7,991
692,065
221,115
231,598

3.64
3.60

63,576
64,351

$

$

$
$

553,922
497,543
150,945

1,438
12,792
9,965
672,683
231,068
222,026

3.38
3.35

65,696
66,300

2008

471,482
459,278
158,384

(7,997)
(50,913)
8,410
567,162
211,499
177,725

2.71
2.61

65,500
68,724

$ 3,926,902
4,876,578

$ 4,090,541
4,998,878

$ 3,990,431
4,875,056

$ 3,838,222
4,647,414

$ 3,575,942
4,280,938

2,054,994
125,000
2,605,998
$ 2,270,580

2,247,772
49,687
2,834,425
$ 2,164,453

2,414,100
51,104
3,019,193
$ 1,855,863

2,422,230
50,203
2,942,819
$ 1,704,595

2,379,468
34,930
2,857,353
$ 1,423,585

Common stock outstanding, period end (3)

61,624

61,107

61,506

64,824

$

36.85

$

35.42

$

30.17

$

26.30

$

21.35

66,692

(1)  Includes acquired entities since date of acquisition only.

(2)  Includes a loss on extinguishment of debt of $2.2 million and $2.8 million for the years ended December 31, 2012 and 

2009, respectively, and a gain on extinguishment of debt of $4.6 million for the year ended December 31, 2008.

(3)  For all periods presented, share and per share amounts reflect the effect of the two-for-one stock split effected in the 

form of a stock dividend that was effective December 27, 2012.

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

The following discussion should be read in conjunction with the Consolidated Financial Statements and Notes to those 
statements which accompany this report. A glossary of insurance terms and phrases is available on the investor section of our 
website. Throughout the discussion, references to “ProAssurance”, “PRA”, “Company”, “we”, “us” and “our” refer to 
ProAssurance Corporation and its consolidated subsidiaries. The discussion contains certain forward-looking information that 
involves risks and uncertainties. As discussed under “Forward-Looking Statements”, our actual financial condition and 
operating results could differ significantly from these forward-looking statements.

Critical Accounting Estimates

Our Consolidated Financial Statements are prepared in conformity with U.S. generally accepted accounting principles 
(GAAP). Preparation of these financial statements requires us to make estimates and assumptions that affect the amounts we 
report on those statements. We evaluate these estimates and assumptions on an ongoing basis based on current and historical 
developments, market conditions, industry trends and other information that we believe to be reasonable under the 
circumstances. There can be no assurance that actual results will conform to our estimates and assumptions; reported results of 
operations may be materially affected by changes in these estimates and assumptions.

Management considers the following accounting estimates to be critical because they involve significant judgment by 

management and the effect of those judgments could result in a material effect on our financial statements.

Reserve for Losses and Loss Adjustment Expenses 

The largest component of our liabilities is our reserve for losses and loss adjustment expenses (reserve for losses or 
reserve), and the largest component of expense for our operations is incurred losses and loss adjustment expenses (also referred 
to as “loss and loss adjustment expenses”, “incurred losses”, “losses incurred”, and “losses”). Incurred losses reported in any 
period reflect our estimate of losses incurred related to the premiums earned in that period as well as any changes to our 
estimates of the reserve established for losses of prior periods. 

The estimation of professional liability losses is inherently difficult and is the subject of significant judgment on the part 
of management. Loss costs, even for claims with similar characteristics, can vary significantly depending upon many factors, 
including but not limited to: the nature of the claim and the personal situation of the claimant or the claimant's family, the 
outcome of jury trials, the legislative and judicial climate where the insured event occurred, general economic conditions and, 
for MPL claims, the trend of healthcare costs. Professional liability claims are typically resolved over an extended period of 
time, often five years or more. The combination of changing conditions and the extended time required for claim resolution 
results in a loss cost estimation process that requires actuarial skill and the application of significant judgment, and such 
estimates require periodic revision. 

Our reserves are established by management after taking into consideration a variety of factors including premium rates, 

claims frequency, historical paid and incurred loss development trends, the effect of inflation, general economic trends, the 
legal and political environment, and the conclusions reached by our internal and consulting actuaries. We update and review the 
data underlying the estimation of our reserve for losses each reporting period and make adjustments to loss estimation 
assumptions that we believe best reflect emerging data. Both our internal and consulting actuaries perform an in-depth review 
of our reserve for losses on at least a semi-annual basis using the loss and exposure data of our insurance subsidiaries. We 
partition our reserves by accident year, which is the year in which the claim becomes our liability. As claims are incurred 
(reported) and claim payments are made, they are aggregated by accident year for analysis purposes. We also partition our 
reserves by reserve type: case reserves and IBNR reserves. Case reserves are established by our claims department based upon 
the particular circumstances of each reported claim and represent our estimate of the future loss costs (often referred to as 
expected losses) that will be paid on reported claims. Case reserves are decremented as claim payments are made and are 
periodically adjusted upward or downward as estimates regarding the amount of future losses are revised; reported loss is the 
case reserve at any point in time plus the claim payments that have been made to date. IBNR reserves represent our estimate of 
losses that have been incurred but not reported to us and future developments on losses that have been reported to us. 

At a high level our reserving process can be broadly grouped into two areas, the establishment of initial or current 

accident year reserves and the re-estimation of prior year's loss reserves. Activity in our net reserve for losses during 2012, 
2011 and 2010 is summarized in the Liquidity and Capital Resources and Financial Condition - Losses section that follows.

Initial Reserve Estimates 

In the current environment, and taking into consideration current claims trends, we believe we are pricing our business 

today to a 75% loss ratio, however, considerable judgment is required in the pricing of our business and in establishing our 
initial reserves for a given accident year. Due to the lack of available data for both open and closed claims for the initial 

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Table of Contents

accident year, we heavily rely on the loss assumptions that are used in pricing our business. Historically, and at present, we 
utilize loss ratios that are approximately 8 to 10 percentage points above the ratios we believe we have achieved in our pricing 
for the current accident year. We believe this considers inherent risks associated with our rate development process and the 
historic volatility of professional liability losses (the industry has experienced accident year loss ratios as high as 163% and as 
low as 57% over the past 30 years) and produces a reasonable best estimate of the reserves required to cover actual ultimate 
unpaid losses. In the current environment this equates to an initial loss ratio of approximately 85% as compared to an average 
loss ratio of approximately 74% targeted in our pricing. Although we remain uncertain regarding the ultimate severity trend, as 
discussed in following paragraphs, the consideration we have given to observed lower loss costs has resulted in rate reductions 
in recent years. On average, excluding our podiatry business acquired in 2009, we have gradually reduced the premium rates 
we charge by 16% from 2006 to 2012.

Reestimation of Prior Years' Loss Reserves

Process

The foundation of our reserve re-estimation process is an actuarial analysis that is performed by both our internal and 

consulting actuaries. The very detailed analysis projects ultimate losses on a line of business, geographic, coverage layer and 
accident year basis. The procedure is intended to balance the use of the most representative data for each partition, capturing its 
unique patterns of development and trends. In all there are approximately 140 different partitions of our business for purposes 
of this analysis. We believe that the use of consulting actuaries provides an independent view of our loss data as well as a 
broader perspective on industry loss trends. 

The analysis performed by the consulting actuaries analyzes each partition of our business in a variety of ways and uses 

multiple actuarial methodologies in performing these analyses, including:

•  Bornhuetter-Ferguson (Paid and Reported) Method

• 

Paid Development Method

•  Reported Development Method

•  Average Paid Value Method

•  Average Reported Value Method

•  Backward Recursive Development Method

A brief description of each method follows. 

Bornhuetter-Ferguson Method. We use both the Paid and the Reported Bornhuetter-Ferguson methods. The Paid method 

assigns partial weight to initial expected losses for each accident year (initial expected losses being the first established case 
and IBNR reserves for a specific accident year) and partial weight to paid to-date losses. The Reported method assigns partial 
weight to the initial expected losses and partial weight to current expected losses. The weights assigned to the initial expected 
losses decrease as the accident year matures. 

Paid Development and Reported Development Method. These methods use historical, cumulative losses (paid losses for 

the Paid Development Method, reported losses for the Reported Development Method) by accident year and develop those 
actual losses to estimated ultimate losses based upon the assumption that each accident year will develop to estimated ultimate 
cost in a manner that is analogous to prior years, adjusted as deemed appropriate for the expected effects of known changes in 
the claim payment environment (and case reserving environment for the Reported Development Method), and, to the extent 
necessary, supplemented by analyses of the development of broader industry data. 

Average Paid Value and Average Reported Value Methods. In these methods, average claim cost data (paid claim cost for 

the Average Paid Value Method and reported claim cost for the Reported Value Method) is developed to an ultimate average 
cost level by report year based on historical data. Claim counts are similarly developed to an ultimate count level. The average 
claim cost (after rounding and adjustment, if necessary, to accommodate report year data that is not considered to be predictive) 
is then multiplied by the ultimate claim counts by report year to derive ultimate loss and ALAE. 

Backward Recursive Development Method. This method is an extrapolation of the movements in case reserve adequacy in 
order to estimate unpaid loss costs. Historical data showing incremental changes to case reserves over progressive time periods 
is used to derive factors that represent the ratio of case reserve values at successive maturities. Historical claims payment data 
showing the additional payments in progressive time periods is used to derive factors that represent the portion of a case 
reserve paid in the following period. Starting from the most mature period, after which all of the case reserve is paid and the 
case reserve is exhausted, the next prior ultimate development factor for the prior case reserve can be calculated as the case 
factor times the established ultimate development factor plus the paid factor. For each successive prior maturity, the ultimate 

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development factor is calculated similarly. The result of multiplying the ultimate development factor times the case reserve is 
the total indicated unpaid amount. 

Generally, methods such as the Bornhuetter-Ferguson method are used on more recent accident years where we have less 

data on which to base our analysis. As time progresses and we have an increased amount of data for a given accident year, we 
begin to give more confidence to the development and average methods, as these methods typically rely more heavily on our 
own historical data. These methods emphasize different aspects of loss reserve estimation and provide a variety of perspectives 
for our decisions. 

Certain of the methodologies utilized to estimate the ultimate losses for each partition of our reserves consider the actual 

amounts paid. Paid data is particularly influential when a large portion of known claims have been closed, as is the case for 
older accident years. In selecting a point estimate for each partition, management considers the extent to which trends are 
emerging consistently for all partitions and known industry trends. Thus, actual, rather than estimated severity trends are given 
consideration. When actual severity trends are lower than those estimated at the time that reserves were previously established, 
the recognition of favorable development is indicated. This is particularly true for older accident years where our actuarial 
methodologies give more weight to actual loss costs (severity).

The various actuarial methods discussed above are applied in a consistent manner from period to period. In addition, we 
perform statistical reviews of claims data such as claim counts, average settlement costs and severity trends when establishing 
our reserves. 

We utilize the selected point estimates of ultimate losses to develop estimates of ultimate losses recoverable from 
reinsurers, based on the terms and conditions of our reinsurance agreements. An overall estimate of the amount receivable from 
reinsurers is determined by combining the individual estimates. Our net reserve estimate is the gross reserve point estimate less 
the estimated reinsurance recovery.

Use of Judgment

Even though the actuarial process is highly technical, it is also highly judgmental, both as to the selection of the data used 

in the various actuarial methodologies (e.g., initial expected loss ratios and loss development factors) and in the interpretation 
of the output of the various methods used. Each actuarial method generally returns a different value and for the more recent 
accident years the variations among the various methodologies can be significant. For each partition of our reserves, the results 
of the various methods, along with the supplementary statistical data regarding such factors as closed with and without 
indemnity ratios, claim severity trends, the expected duration of such trends, changes in the legal and legislative environment 
and the current economic environment, are used to develop a point estimate based upon management's judgment and past 
experience. The process of selecting the point estimate is based upon the judgment of management taking into consideration the 
actuarial methods and other environmental factors discussed previously. For each partition of our reserves, we select a point 
estimate with due regard for the age, characteristics and volatility of the subset of the business, the volume of data available for 
review and past experience with respect to the accuracy of estimates. The series of selected point estimates is then combined to 
produce an overall point estimate for ultimate losses. 

Given the historical volatility of the MPL line of business we are cautious in giving full credibility to emerging trends 

that, when more fully mature, may lead to the recognition of either favorable or adverse development of our losses. There may 
be trends, both positive and negative, reflected in the numerical data both within our own information and in the broader MPL 
marketplace that mitigate or reverse as time progresses and additional data becomes available. 

Over the past several years the most influential factor affecting our analysis of reserves has been the changes, or lack 

thereof, in the severity of claims.

Severity is defined as the average cost of resolving claims. The severity trend assumption is a key assumption for both 

pricing models and actuarial estimation of reserves. The severity trend is an explicit component of our pricing models, whereas 
in our reserving process the severity trend's impact is implicit. Our estimate of this trend and our expectations about changes in 
this trend impact a variety of factors, from the selection of expected loss ratios to the ultimate point estimates established by 
management.

Because of the implicit and wide-ranging nature of severity trend assumptions on the loss reserving process it is not 

practical to specifically isolate the impact of changing severity trends. However, because severity is an explicit component of 
our pricing process we can better isolate the impact that changing severity can have on our loss costs and loss ratios as regards 
our pricing models. Our current pricing model assumes a severity trend of 2% to 3% in most states and lines of business. If the 
severity trend were to be higher by 1 percentage point, the impact would be an increase in our expected loss ratio of 3.2 
percentage points. An increase in the severity trend of 3 percentage points would result in a 10.1 percentage point increase in 
our expected loss ratio. Due to the long tailed nature of MPL claims and the previously discussed historical volatility of loss 
costs, selection of a severity trend assumption is a subjective process that is inherently likely to prove inaccurate over time. 
Given this long-tail and the previously discussed historical volatility of loss costs, we are generally cautious in making changes 

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to the severity assumptions within our pricing model. Also of note is that all open claims and accident years are generally 
impacted by a change in the severity trend, which compounds the effect of such a change.

From 2004 to 2009 both our internal and consulting actuaries have observed an unprecedented reduction in the frequency 

of claims (or number of claims per exposure unit) that cannot be attributed to any single factor, which has complicated the 
selection of an appropriate severity trend for our pricing models. It has also made it more challenging to factor severity into the 
various actuarial methodologies discussed above. We believe that much of the reduction in claim frequency is the result of a 
decline in the filing of frivolous lawsuits that have historically been dismissed or otherwise result in no payment of indemnity 
on the part of our insureds. With fewer frivolous claims being filed we expect that the claims that are filed have the potential 
for greater average losses, or greater severity. As a result, we cannot be certain as to the impact this decline will ultimately have 
on the average cost of claims. Based on a weighted average of payments, only 85% are resolved after eight years for a given 
accident year. Due to this long tail, it can take several years before we are able to determine what impact, if any, has resulted 
from the decline in frequency and whether there is a related increase in severity. 

Loss Development 

We recognized net favorable development related to prior accident years of $272.0 million for the year ended 

December 31, 2012, $325.9 million for the year ended December 31, 2011, and $234.0 million for the year ended 
December 31, 2010. In support of our concern that the decline in frequency will result in a higher severity trend, we have seen 
our closed-with-indemnity-payment ratio (i.e., the number of claims closed with an indemnity or loss payment as compared to 
the total number of closed claims) increase from 7% in 2005 to 14% in 2012. While this trend has been in keeping with our 
expectations, the anticipated increase in severity incorporated into our loss assumptions has not occurred. Rather, we have 
experienced lower than expected severity which has been the primary driver of the favorable development recognized in recent 
years. 

The following tables present additional information about our loss development:

Estimated Ultimate Losses, Net of Reinsurance ("established ultimates"): 

(In thousands)
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
Prior to 2003

$

2012*
451,951
483,264
476,449
451,298
403,641
385,530
340,983
362,319
348,738
492,576
5,065,129

$

2011
N/A
488,152
490,061
475,676
459,299
436,577
379,692
387,280
367,656
507,673
5,089,899

$

2010
N/A
N/A
493,354
497,766
510,861
498,240
438,487
423,380
406,944
529,722
5,120,925

*Amounts shown for 2012 exclude ultimates associated with 
the reserves assumed in 2012 due to a business combination

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Reserve Development, (favorable) unfavorable:

(In thousands)
2011
2010
2009
2008
2007
2006
2005
2004
2003
Prior to 2003

$

2012
(4,888)
(13,612) $
(24,378)
(55,658)
(51,047)
(38,709)
(24,961)
(18,918)
(15,097)
(24,770)

2011
N/A
(3,293)
(22,090) $
(51,562)
(61,663)
(58,795)
(36,100)
(39,288)
(22,049)
(31,025)

2010
N/A
N/A
2,004
(5,035)
(36,858)
(67,418)
(42,259)
(38,182)
(17,362)
(28,880)

 An extended period of time is required to get a clear estimate of the loss cost for a given accident year. As an example, 
looking at the 2008 accident year, we had resolved 71.2% of the known claims by the end of 2010, 83.1% of the known claims 
by the end of 2011, and 90.3% of the known claims by the end of 2012. These statistics are based on the number of reported 
claims; since many non-meritorious claims are resolved early, percentages of ultimate loss payments known at the same points 
in time are considerably lower. A similar pattern can be seen in each open accident year as demonstrated in the table below. 

Historically we have resolved more than 85% of our physician and hospital professional liability claims with no 
indemnity payment and generally these claims are the first to be resolved. As an accident year matures, the number of claims 
resolved with indemnity payments progressively increases. In a similar fashion, we typically expend more in loss adjustment 
expenses (legal fees) as claims mature. 

The following table represents the percentage of known MPL claims closed: 

Accident Year
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003

2012
13.5%
45.0%
68.8%
80.6%
90.3%
93.9%
97.1%
98.4%
99.1%
98.7%

December 31

2011
N/A
13.2%
45.3%
67.7%
83.1%
89.5%
94.7%
96.9%
98.3%
98.0%

2010
N/A
N/A
16.4%
46.3%
71.2%
82.5%
90.0%
94.4%
96.8%
96.8%

Based upon the additional claims closed during 2012, 2011 and 2010, as shown above, and the continuation of better than 
expected severity trends, management reduced its expected ultimate losses in each of these years resulting in the recognition of 
corresponding amounts of favorable development in the income statements of those periods. At December 31, 2010 
management reserve estimates for the three most recent prior accident years (which have closed claim percentages below 85%) 
were more heavily influenced by the initial reserves estimates set for these years, while estimates for older accident years with 
higher percentages of closed claims were more heavily influenced by the more moderate severity trend observed during the 
period, particularly with regard to claims closed during the period. At December 31, 2012 and 2011 the continued lack of 
increase in the severity trend, in spite of the increase in the ratio of claims closed with indemnity, influenced management's 
judgment both in regard to the older accident years where this trend has more fully played out and in regard to the more recent 
accident years. The increased favorable development recognized in 2011 as compared to 2010 is largely attributable to the 
initial effect of giving greater consideration to the moderated severity trend. Management continued to reflect approximately 
the same level of consideration of the moderated trend in its estimate of the reserve required at December 31, 2012; however, 
the effect was not as pronounced in 2012 as that initially recorded in 2011.

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This can be seen in looking at both the absolute amount of favorable reserve development recognized for the less 

developed accident years as well as the size of such development when compared to established ultimates for those same 
accident years at the end of the preceding calendar year. The following table provides this information for years ended 
December 31, 2012, 2011 and 2010 with respect to the three then most recent prior accident years:

($ in millions)

Prior accident years
Net favorable development recognized for the
specified years
Development as a % of established ultimates,
prior calendar year end

2012
2009-2011

2011

2008-2010

2010

2007-2009

$42.9

2.9%

$76.9

5.1%

$39.9

2.6%

Variability of Loss Reserves

As previously noted, the number of data points and variables considered and the subjective process followed in 

establishing our loss reserve makes it impractical to isolate individual variables and demonstrate their impact on our estimate of 
loss reserves. However, to provide a better understanding of the potential variability in our reserves, we have modeled implied 
reserve ranges around our single point net reserve estimates for our professional liability business assuming different 
confidence levels. The ranges have been developed by aggregating the expected volatility of losses across partitions of our 
business to obtain a consolidated distribution of potential reserve outcomes. The aggregation of this data takes into 
consideration the correlation among our geographic and specialty mix of business. The result of the correlation approach to 
aggregation is that the ranges are narrower than the sum of the ranges determined for each partition. 

We have used this modeled statistical distribution to calculate an 80% and 60% confidence interval for the potential 

outcome of our net reserve for losses. The high and low end points of the distributions are as follows: 

80% Confidence Level

60% Confidence Level

Low End Point
$1.418 billion

Carried Net Reserve
$1.863 billion

$1.535 billion

$1.863 billion

High End Point
$2.374 billion

$2.161 billion

Any change in our estimate of net ultimate losses for prior years is reflected in net income in the period in which such 
changes are made. Over the past several years such changes have been to reduce our estimate of net ultimate losses, resulting in 
a reduction of reported losses for the period and a corresponding increase in income. 

Due to the size of our reserve for losses and the large number of claims outstanding at any point in time, even a small 
percentage adjustment to our total reserve estimate could have a material effect on our results of operations for the period in 
which the adjustment is made.

Reinsurance

We use insurance and reinsurance (collectively, “reinsurance”) to provide capacity to write larger limits of liability, to 

provide protection against losses in excess of policy limits and to stabilize underwriting results in years in which higher losses 
occur. The purchase of reinsurance does not relieve us from the ultimate risk on our policies, but it does provide reimbursement 
for certain losses we pay.

We make a determination of the amount of insurance risk we choose to retain based upon numerous factors, including our 

risk tolerance and the capital we have to support it, the price and availability of reinsurance, volume of business, level of 
experience with a particular set of claims and our analysis of the potential underwriting results. We purchase reinsurance from a 
number of companies to mitigate concentrations of credit risk. We utilize a reinsurance broker to assist us in the placement of 
our reinsurance program and in the analysis of the credit quality of our reinsurers. The determination of which reinsurers we 
choose to do business with is based upon an evaluation of the then-current financial strength, rating and stability of prospective 
reinsurers.

We evaluate each of our ceded reinsurance contracts at inception to confirm that there is sufficient risk transfer to allow 
the contract to be accounted for as reinsurance under current accounting guidance. At December 31, 2012, all ceded contracts 
were accounted for as risk transferring contracts.

Our receivable from reinsurers on unpaid losses and loss adjustment expenses represents our estimate of the amount of 

our reserve for losses that will be recoverable under our reinsurance programs. We base our estimate of funds recoverable upon 
our expectation of ultimate losses and the portion of those losses that we estimate to be allocable to reinsurers based upon the 
terms and conditions of our reinsurance agreements. Our assessment of the collectability of the recorded amounts receivable 

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from reinsurers considers the payment history of the reinsurer, publicly available financial and rating agency data, our 
interpretation of the underlying contracts and policies, and responses by reinsurers.

Given the uncertainty inherent in our estimates of losses and related amounts recoverable from reinsurers, these estimates 

may vary significantly from the ultimate outcome.

Under the terms of certain of our reinsurance agreements, the amount of premium that we cede to our reinsurers is based 

in part on the losses we recover under the agreements. Therefore we make an estimate of premiums ceded under these 
reinsurance agreements subject to certain maximums and minimums. Any adjustments to our estimates of either balances 
recoverable under our reinsurance agreements or premiums owed under our agreements are reflected in then-current operations. 
Due to the size of our reinsurance balances, an adjustment to these estimates could have a material effect on our results of 
operations for the period in which the adjustment is made.

  The financial strength of our reinsurers and their corresponding ability to pay us may change in the future due to forces 

or events we cannot control or anticipate. We have not experienced significant collection difficulties due to the financial 
condition of any reinsurer as of December 31, 2012; however, periodically, reinsurers may dispute our demand for 
reimbursement from them based upon their interpretation of the terms of our agreements. We have established appropriate 
reserves for any balances that we believe may not be ultimately collected. Should future events lead us to believe that any 
reinsurer will not meet its obligations to us, adjustments to the amounts recoverable would be reflected in the results of current 
operations. Such an adjustment has the potential to be material to the results of operations in the period in which it is recorded; 
however, we would not expect such an adjustment to have a material effect on our capital position or our liquidity.

Investment Valuations

We record the majority of our investments at fair value as shown in the table below. The distribution of our investments 

based on GAAP fair value hierarchies (levels) was as follows:

Investments recorded at:
    Fair value
    Other valuations

Total Investments

Distribution by GAAP Fair Value Hierarchy
Level 3
Level 2
Level 1

December 31, 2012

Total Investments

7%

87%

2%

96%
4%
100%

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. All of our fixed maturity and equity security investments are 
carried at fair value. Our short-term securities are carried at amortized cost, which approximates fair value.

Because of the number of securities we own and the complexity and cost of developing accurate fair values, we utilize 

multiple independent pricing services to assist us in establishing the fair value of individual securities. The pricing services 
provide fair values based on exchange traded prices, if available. If an exchange traded price is not available, the pricing 
services, if possible, provide a fair value that is based on multiple broker/dealer quotes or that has been developed using pricing 
models. Pricing models vary by asset class and utilize currently available market data for securities comparable to ours to 
estimate the fair value for our security. The pricing services scrutinize market data for consistency with other relevant market 
information before including the data in the pricing models. The pricing services disclose the types of pricing models used and 
the inputs used for each asset class. Determining fair values using these pricing models requires the use of judgment to identify 
appropriate comparable securities and to choose a valuation methodology that is appropriate for the asset class and available 
data.

The pricing services provide a single value per instrument quoted. We review the values provided for reasonableness each 
quarter by comparing market yields generated by the supplied value versus market yields observed in the market place. We also 
compare yields indicated by the provided values to appropriate benchmark yields and review for values that are unchanged or 
that reflect an unanticipated variation as compared to prior period values. In addition, we compare provided information for 
consistency with our other pricing services, known market data and information from our own trades, considering both values 
and valuation trends. We also review weekly trades versus the prices supplied by the services. If a supplied value appears 
unreasonable, we discuss the valuation in question with the pricing service and make adjustments if deemed necessary. To date, 
our review has not resulted in any changes to the values supplied by the pricing services.

The pricing services do not provide a fair value unless an exchange traded price or multiple observable inputs are 
available. As a result, the pricing services may provide a fair value for a security in some periods but not others, depending 
upon the level of recent market activity for the security or comparable securities.

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Level 1 Investments

Fair values for our equity and a portion of our short-term securities are determined using exchange traded prices. There is 

little judgment involved when fair value is determined using an exchange traded price. In accordance with GAAP, for 
disclosure purposes we classify securities valued using an exchange traded price as Level 1 securities.

Level 2 Investments

Most fixed income securities do not trade daily, and thus exchange traded prices are generally not available for these 
securities. However, market information (often referred to as observable inputs or market data, including but not limited to, last 
reported trade, non-binding broker quotes, bids, benchmark yield curves, issuer spreads, two sided markets, benchmark 
securities, offers and recent data regarding assumed prepayment speeds, cash flow and loan performance data) is available for 
most of our fixed income securities. We determine fair value for a large portion of our fixed income securities using available 
market information. In accordance with GAAP, for disclosure purposes we classify securities valued based on multiple market 
observable inputs as Level 2 securities.

Level 3 Investments

When a pricing service does not provide a value for one of our fixed maturity securities, management estimates fair value 

using either a single non-binding broker quote or pricing models that utilize market based assumptions which have limited 
observable inputs. The process involves significant judgment in selecting the appropriate data and modeling techniques to use 
in the valuation process. For disclosure purposes we classify fixed maturity securities valued using limited observable inputs as 
Level 3 securities.

We also classify as Level 3 our investment interests that are carried at fair value based on a fund-provided net asset value 

(NAV) for our interest. All investments valued in this manner are LP or LLC interests that hold debt and equity securities. At 
December 31, 2012 interests valued using a fund-provided NAV totaled $33.7 million, or 1% of total investments, and were 
classified as part of our Investment in Unconsolidated Subsidiaries.

Investments - Other Valuation Methodologies

Certain of our investments, in accordance with GAAP for the type of investment, are measured using methodologies 

other than fair value. At December 31, 2012 these investments had a carrying value of approximately $170.8 million, which 
represented 4% of total investments, as shown in the following table. Additional information about these investments is 
provided in Notes 2 and 3 of the Notes to Consolidated Financial Statements.

(In millions)

Carrying Value

GAAP Measurement
Method

Other investments:

Investments in LP/LLCs
Federal Home Loan Bank (FHLB) capital stock
Other
Total other investments

Investment in unconsolidated subsidiaries:
Investments in tax credit partnerships

Business owned life insurance

Total investments - Other valuation methodologies

$

$

$

$

$

25.1
4.3
1.7
31.1

87.3

Cost
Cost
Amortized cost

Equity

52.4 Cash surrender value

170.8

Investment Impairments

We evaluate our investments on at least a quarterly basis for declines in fair value that represent other than temporary 

impairment (OTTI). In all instances we consider an impairment to be an OTTI if we intend to sell the security or if we believe 
we will be required to sell the security before we fully recover the amortized cost basis of the security. Otherwise, we consider 
various factors in our evaluation, depending upon the type of security, as discussed below.

For debt securities, we consider whether we expect to fully recover the amortized cost basis of the security, based upon 

consideration of some or all of the following:

• 

• 

third party research and credit rating reports;

the current credit standing of the issuer, including credit rating downgrades;

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• 

• 

• 

• 

• 

• 

• 

the extent to which the decline in fair value is attributable to credit risk specifically associated with an investment or 
its issuer;

our internal assessments and those of our external portfolio managers regarding specific circumstances surrounding an 
investment, which can cause us to believe the investment is more or less likely to recover its value than other 
investments with a similar structure;

for asset-backed securities, the origination date of the underlying loans, the remaining average life, the probability that 
credit performance of the underlying loans will deteriorate in the future, and our assessment of the quality of the 
collateral underlying the loan;

failure of the issuer of the security to make scheduled interest or principal payments;

any changes to the rating of the security by a rating agency;

recoveries or additional declines in fair value subsequent to the balance sheet date; and

our intent to sell and whether it is more likely than not we will be required to sell the investment before the recovery of 
its amortized cost basis.

In assessing whether we expect to recover the cost basis of debt securities, particularly asset-backed securities, we must 

make a number of assumptions regarding the cash flows that we expect to receive from the security in future periods. These 
judgments are subjective in nature and may subsequently be proved to be inaccurate.

We evaluate our cost method interests in LPs/LLCs for OTTI by considering whether there has been a decline in fair 

value below the recorded value, which involves assumptions and estimates. We receive a report from each of the LPs/LLCs at 
least quarterly which provides us a NAV for our interest in the LP/LLC. The NAV is based on the fair values of securities held 
by the LP/LLC as determined by the LP/LLC manager. We consider the most recent NAV provided, the performance of the LP/
LLC relative to the market, the stated objectives of the LP/LLC, the cash flows expected from the LP/LLC and audited 
financial statements of the entity, if available, in considering whether an OTTI exists.

Our investments in tax credit partnerships are evaluated for OTTI by comparing cash flow projections of the underlying 

projects generating the tax credits to our recorded basis, and by considering our ability to utilize the tax credits generated by the 
investments.

We also evaluate our holdings of FHLB securities for impairment. We consider the current capital status of the FHLB, 
whether the FHLB is in compliance with regulatory minimum capital requirements, and the FHLB’s most recently reported 
operating results.

Deferred Policy Acquisition Costs

Policy acquisition costs (primarily commissions, premium taxes and underwriting salaries) which are directly related to 

the successful acquisition of new and renewal premiums are capitalized as deferred policy acquisition costs and charged to 
expense as the related premium revenue is recognized. We evaluate the recoverability of our deferred policy acquisition costs 
each reporting period, and any amounts estimated to be unrecoverable are charged to expense in the current period. Prior to our 
adoption of the new Financial Accounting Standards Board (FASB) guidance on January 1, 2012, we capitalized all internal 
selling agent and underwriter salary and benefit costs, including costs associated with unsuccessful contract efforts. Adoption of 
the new guidance had no material effect on our results of operations or financial position.

Deferred Taxes

Deferred federal income taxes arise from the recognition of temporary differences between the bases of assets and 
liabilities determined for financial reporting purposes and the bases determined for income tax purposes. Our temporary 
differences principally relate to loss reserves, unearned premiums, deferred policy acquisition costs, unrealized investment 
gains (losses) and investment impairments. Deferred tax assets and liabilities are measured using the enacted tax rates expected 
to be in effect when such benefits are realized. We review our deferred tax assets quarterly for impairment. If we determine that 
it is more likely than not that some or all of a deferred tax asset will not be realized, a valuation allowance is recorded to reduce 
the carrying value of the asset. In assessing the need for a valuation allowance, management is required to make certain 
judgments and assumptions about our future operations based on historical experience and information as of the measurement 
period regarding reversal of existing temporary differences, carryback capacity, future taxable income (including its capital and 
operating characteristics) and tax planning strategies.

Unrecognized Tax Benefits

We evaluate tax positions taken on tax returns and recognize positions in our financial statements when it is more likely 
than not that we will sustain the position upon resolution with a taxing authority. If recognized, the benefit is measured as the 

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largest amount of benefit that has a greater than fifty percent probability of being realized. We review uncertain tax positions 
each period, considering changes in facts and circumstances, such as changes in tax law, interactions with taxing authorities and 
developments in case law, and make adjustments as we consider necessary. Adjustments to our unrecognized tax benefits may 
affect our income tax expense, and settlement of uncertain tax positions may require the use of cash. At December 31, 2012, 
our current tax liability included $4.8 million for unrecognized tax benefits, and $1.4 million for related accrued interest.

Goodwill

Management evaluates the carrying value of goodwill annually during the fourth quarter. If, at any time during the year, 
events occur or circumstances change that would more likely than not reduce the fair value below the carrying value, we also 
evaluate goodwill at that time. We evaluate goodwill as one reporting unit because we operate as a single operating segment 
and our segment components are economically similar. We estimate the fair value of our reporting unit on the evaluation date 
based on market capitalization and an expected premium that would be paid to acquire control of our Company (a control 
premium). We then perform a sensitivity analysis using a range of historical stock prices and control premiums. We concluded 
as of our last evaluation date, October 1, 2012, that the fair value of our reporting unit exceeded the carrying value and no 
adjustment to impair goodwill was necessary.

Goodwill is recognized in conjunction with acquisitions as the excess of the purchase consideration for the acquisition 

over the fair value of identifiable assets acquired and liabilities assumed. Goodwill of $3.4 million was recognized in 2012 
related to acquisitions completed during the period.

ProAssurance Overview

We are an insurance holding company and our operating results are primarily derived from the operations of our 

insurance subsidiaries, which principally write medical and other professional liability insurance.

Corporate Strategy

Our mission is to be the preferred source of professional liability protection by providing unparalleled claims defense, 

highly responsive customer service and innovative risk management while maintaining our commitment to long-term financial 
strength. We are a industry leading specialty insurance company with extensive expertise in medical professional liability, 
errors and omission coverage for attorneys and, beginning in 2013 with our acquisition of Medmarc, products liability for the 
medical device and sciences industry.  Our customer focus combined with our financial strength, strong reputation and proven 
ability to manage claims has played a role in our ability to expand our operations while maintaining profitability. We have 
historically utilized acquisitions of companies and books of business as a means of expanding into new geographic areas and 
product lines, although we cannot predict the timing of those transactions with any certainty. We emphasize disciplined 
underwriting and prudent pricing in order to achieve profitability as opposed to emphasizing premium growth and achieving 
market share gain at any cost. In addition to prudent risk selection and pricing, we seek to control our underwriting results 
through effective claims management, and have fostered a strong culture of defending non-meritorious claims. We differentiate 
ProAssurance from many other national writers by tailoring our claims handling to the legal climate of each state.

Through our market-based underwriting and claims office structure, we develop a deep understanding of market 
conditions, which enables us to respond to changes in the liability climate and adapt our underwriting and claims strategies as 
needed. Our market-based focus allows us to maintain active relationships with our customers, understand the importance of 
the professional identity and reputation of our insureds and thus be more responsive to their needs. We use advisory boards and 
operational committees to help us better understand the challenges facing our insureds and ways in which we can assist them. 
We believe the extensive experience of medical and legal professionals throughout our organization, especially that of our 
senior management team, enhances our understanding of the medical/legal environment. We emphasize our pledge that our 
insureds will be treated fairly in all of our conduct with them and that all of our business actions will be informed by the core 
values that guide our organization: integrity, respect, doctor involvement in healthcare insurance activities, collaboration, 
communication and enthusiasm. We believe our strategy allows us to compete on a basis other than price alone.

We have sustained our financial stability during difficult market conditions through responsible pricing and loss reserving 

practices and through conservative investment practices. We are committed to maintaining prudent operating and financial 
leverage and to conservatively investing our assets. We recognize the importance that our customers and producers place on the 
financial strength of our principal insurance subsidiaries and we manage our business to protect our financial security.

We consider a number of performance measures, including the following:

•  The net loss ratio is calculated as net losses incurred divided by net premiums earned and is a component of 

underwriting profitability.

•  The underwriting expense ratio is calculated as underwriting, policy acquisition and operating expenses incurred 

divided by net premiums earned and is a component of underwriting profitability.

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•  The combined ratio is the sum of the underwriting expense ratio and the net loss ratio and measures underwriting 

profitability.

•  The investment income ratio is calculated as net investment income divided by net premiums earned and measures 

the contribution investment earnings provides to our overall profitability.

•  The operating ratio is the combined ratio, less the investment income ratio. This ratio provides the combined effect 

of investment income and underwriting profitability.

•  The tax ratio is calculated as total income tax expense divided by income (loss) before income taxes and measures 

our effective tax rate.

•  Return on equity is calculated as net income for the period divided by the average of beginning and ending 

shareholders’ equity. This ratio measures our overall after-tax profitability and shows how efficiently invested 
capital is being used.

•  Growth in book value. Book value is calculated as total shareholders’ equity at the balance sheet date divided by the 
total number of common shares outstanding. This ratio measures the net worth of the company to shareholders on a 
per-share basis. Growth in book value per share is an indicator of overall profitability.

We particularly focus on our combined ratio and investment returns, both of which directly affect our return on equity 

(ROE) and growth of our book value. Historically we targeted a long-term average ROE of 12% to 14%. Given the persistent 
low interest rate environment which prevails in the United States and the soft pricing environment for our products, the 
realization of this long-term ROE target in the next few years will likely prove difficult.

Our emphasis on rate adequacy, selective underwriting, effective claims management and prudent investments is a key 

factor in our achievement of our ROE target. We closely monitor premium revenues, losses and loss adjustment costs, and 
underwriting and policy acquisition expenses. Our overall investment strategy is to focus on maximizing current income from 
our investment portfolio while maintaining safety, liquidity, duration and portfolio diversification. While we engage in 
activities that generate other income, such activities, principally insurance agency services, do not constitute a significant use of 
our resources or a significant source of revenues or profits.

Growth Opportunities and Outlook

We expect our long-term growth to come through controlled expansion of our existing operations and through the 
acquisition of other specialty insurance companies or books of business. Growth through acquisition is often opportunistic and 
cannot be predicted.

We operate in very competitive markets and, in addition to competition from other insurance companies, we are seeing a 
trend toward the formation of larger medical practice groups and the employment of physicians by hospitals. Frequently, given 
the size of these organizations, they choose to manage their medical professional liability exposure outside of the traditional 
insurance marketplace using self-insured mechanisms and other risk sharing arrangements. In response to these trends, we offer 
products designed to provide greater risk sharing options to hospitals and large physician groups.

We believe our emphasis on fair treatment of our insureds and other important stakeholders through our commitment to 
“Treated Fairly” has enhanced our market position and differentiated us from other insurers. We will continue to use “Treated 
Fairly” in all of our activities, and we believe that as we reach more customers with this message we will continue to improve 
retention and add new insureds.

In 2013, we expanded our lines of business in new directions by acquiring Medmarc, an underwriter of products liability 

insurance for medical technology and life sciences companies who also underwrites a book of legal professional liability 
insurance. We have also been a consistent acquirer of other physician insurers, most recently IND in 2012, APS in 2010 and 
PICA in 2009. Other 2009 acquisitions included an insurer focused on the legal professional liability market and an agency 
largely focused on the professional liability needs of allied healthcare providers. We continue to see new opportunities from 
each of the acquisitions and believe each will provide organic growth through expansion in their existing markets and 
relationships.

Accounting Changes

We did not adopt any accounting changes during 2012 that had a material effect on our results of operations nor are we 
aware of any accounting changes not yet adopted as of December 31, 2012 that would have a material effect on our results of 
operations or financial position. Note 1 of the Notes to Consolidated Financial Statements provides additional detail regarding 
accounting changes.

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Liquidity and Capital Resources and Financial Condition

Overview

ProAssurance Corporation is a holding company and is a legal entity separate and distinct from its subsidiaries. Because 
the holding company has no other business operations, dividends from its operating subsidiaries represent a significant source 
of funds for its obligations, including debt service and shareholder dividends. At December 31, 2012, we held cash and liquid 
investments of approximately $357.0 million outside our insurance subsidiaries that were available for use without regulatory 
approval, $196.2 million of which was pledged as collateral for advances under our credit facility. Our insurance subsidiaries, 
in aggregate, are permitted to pay dividends of approximately $309 million over the course of 2013 without the prior approval 
of state insurance regulators. However, the payment of any dividend requires prior notice to the insurance regulator in the state 
of domicile, and the regulator may prevent the dividend if, in its judgment, payment of the dividend would have an adverse 
effect on the surplus of the insurance subsidiary. During 2012, our insurance subsidiaries paid dividends of approximately 
$278.5 million, including extraordinary dividends of $25.0 million.  

Operating Activities and Related Cash Flows

The principal components of our operating cash flows are the excess of premiums collected and net investment income 
over losses paid and operating costs, including income taxes. Timing delays exist between the collection of premiums and the 
payment of losses associated with the premiums. Premiums are generally collected within the twelve-month period after the 
policy is written, while our claim payments are generally paid over a more extended period of time. Likewise, timing delays 
exist between the payment of claims and the collection of any associated reinsurance recoveries. Our operating activities 
provided positive cash flows of approximately $91.3 million, $159.4 million, and $139.2 million for the years ended 
December 31, 2012, 2011 and 2010, respectively. 

Operating cash flows for 2012 and 2011 compare as follows:

Cash provided by operating activities for the year ended December 31, 2011

(In millions)

Operating
Cash Flow

$

159

Increase (decrease) in operating cash flows:
Decrease in premium receipts (1)
Increase in payments to reinsurers (2)
Increase in losses paid, net of reinsurance recoveries (3)
Increase in deposit contracts (4)
Decrease in cash received from investments (5)
Decrease in cash paid for other expenses (6)
Increase in Federal and state income tax payments (7)
Other amounts not individually significant, net

Cash provided by operating activities for the year ended December 31, 2012

$

(12)
(8)
(35)
3
(8)
13
(18)
(3)
91

(1)  The reduction in premium receipts reflected lower premium volume in 2012, exclusive of a volume decline related to 
two-year term policies and a volume increase related to tail policies. The premium from two-year term policies is 
included in gross written premium in the period in which the policy is written, but has little effect on timing of premium 
receipts since half of the written amount is billed in the second term. Tail policies are typically collected in the period 
written.

(2)  Reinsurance contracts are generally for premiums written in a specific annual period, but, absent a commutation 
agreement, remain in effect until all claims under the contract have been resolved. Some contracts require annual 
settlements while others require settlement only after a number of years have elapsed, thus the amounts paid can vary 
widely from period to period.

(3)  The timing of our net loss payments varies from period to period because the process for resolving claims is complex 

and occurs at an uneven pace depending upon the circumstances of the individual claim. The increase in loss payments 
for 2012 primarily reflected a greater number of claims resolved with large indemnity payments, a portion of which was 
recovered under existing reinsurance agreements. The additional loss payments were not isolated to any one state or to 
any specific risk groups. Loss payments made during 2012 were included in the data considered by our actuaries and by 
our Management in determining their best estimate of losses incurred during 2012.  

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(4)  We are party to certain contracts that involve claims handling but do not transfer insurance risk. As required by GAAP, 
receipts and disbursements for these contracts are not considered as receipts of premium or payments of losses, but 
rather are considered as deposits received or returned. These contracts do not constitute a significant business activity 
for us.

(5)  The decrease in cash received for investments primarily reflected the decrease in net investment income as well as 

timing differences of interest receipts between periods.

(6)  The decrease in cash paid for other expenses was principally attributable to non-recurring payments of APS integration 

costs, primarily compensation-related, during 2011.

(7)  The net increase in tax payments during 2012 was attributable to:

• 

• 
• 

• 

A $7.4 million increase in the final payments for the prior fiscal year, partially offset by a $4.8 million decrease in 
estimated tax payments for the current year.
There were no Federal tax refunds in 2012. In 2011 refunds approximated $17.3 million. 
GAAP requires that excess tax benefits recognized when shares are issued under stock compensation plans reduce 
operating cash flows and increase financing cash flows in the period the shares are issued. Such excess tax 
benefits were $5.3 million greater in 2012 as compared to 2011.
The above increases to tax related outflows were offset by:

• 

• 

Payments of $5.9 million made in 2011 for the 2008 and 2007 tax years as a result of federal tax return 
audits conducted by the Internal Revenue Service. The payments reduced tax liabilities recognized prior 
to January 1, 2011 and did not increase or decrease 2011 tax expense.
A reduction in state and other tax payments of $1.8 million. 

Operating cash flows for 2011 and 2010 compare as follows:

Cash provided by operating activities year ended December 31, 2010

(In millions)

Operating
Cash Flow

$

139

Increase (decrease) in operating cash flows during 2011:
Decrease in premium receipts, exclusive of APS (1)
Increase in payments to reinsurers, exclusive of APS (2)
Decrease in losses paid, net of reinsurance recoveries, exclusive of APS (3)
Increase in Federal and state income tax payments (4)
Cash flows attributable to operations acquired from APS (exclusive of tax payments or refunds)
Other amounts not individually significant, net

Cash provided by operating activities year ended December 31, 2011

$

(22)
(3)
27
(6)
25
(1)
159  

(1)  The decline in premium receipts is primarily attributable to reduced premium volume. Exclusive of two-year term 

policies and the business acquired from APS, gross written premiums were lower in 2011.

(2)  Reinsurance contracts are generally for premiums written in a specific annual period, but, absent a commutation 
agreement, remain in effect until all claims under the contract have been resolved. Some contracts require annual 
settlements while others require settlement only after a number of years have elapsed, thus the amounts paid can vary 
widely from period to period.

(3)  The timing of our net loss payments varies from period to period because the process for resolving claims is complex 

and occurs at an uneven pace depending upon the circumstances of the individual claim. Net loss payments are also 
subject to reinsurance recoveries under existing reinsurance agreements.

(4)  The increase in tax payments primarily reflects:

• 
• 

• 

An increase in estimated tax payments of $16.1 million during 2011 as compared to 2010.
Payments of $5.9 million made in 2011 for the 2008 and 2007 tax years as a result of Federal tax return audits 
conducted by the Internal Revenue Service, as previously discussed.
The above increases to tax payments were partially offset by greater Federal tax refunds in 2011 of $15.9 million. 
Principally, refunds from capital loss carry backs were higher in 2011 than in 2010 and a refund associated with 
the APS 2010 pre-acquisition period was received in 2011.

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Operating cash flows for 2010 and 2009 compare as follows:

Cash provided by operating activities year ended December 31, 2009

Increase (decrease) in operating cash flows during 2010:

(In millions)

Decrease in premium receipts (1)
Decrease in payments to reinsurers (2)
Decrease in losses paid, net of reinsurance recoveries (3)
Increase due to prior year litigation payment (4)
Increase in Federal and state income tax payments (5)
Other amounts not individually significant, net

Cash provided by operating activities year ended December 31, 2010

Operating
Cash Flow

75

(14)
22
41
21
(4)
(2)
139

$

$

(1)  The decrease in premium receipts reflects the decline in gross written premium, exclusive of the premium decline that 

is attributable to policies written on a two-year term. Additionally, approximately $3 million of the decrease in premium 
receipts is due to premium credits granted to PICA policyholders as part of the acquisition.

(2)  Reinsurance contracts are generally for premiums written in a specific annual period, but, absent a commutation 
agreement, remain in effect until all claims under the contract have been resolved. Some contracts require annual 
settlements while others require settlement only after a number of years have elapsed, thus the amounts paid can vary 
widely from period to period.

(3)  The decrease in losses reflects lower paid losses at our subsidiaries other than PICA of approximately $69 million offset 
by an increase in PICA losses paid of $18 million. The PICA increase is principally due to an additional three months of 
PICA activity in 2010. The timing of our loss payments varies from period to period because the process for resolving 
claims is complex and occurs at an uneven pace depending upon the circumstances of the individual claim. Net loss 
payments are also subject to reinsurance recoveries under existing reinsurance agreements.

(4)  In 2009 we paid a judgment in favor of Columbia Hospital for Women Medical Center, Inc. that was entered against 
our subsidiary, ProAssurance National Capital Insurance Company (PRA National), prior to our acquisition of PRA 
National. We established a liability related to the judgment and accrued post trial interest at the time PRA National was 
acquired in 2005.

(5)  The increase in tax payments primarily reflects:

• 

• 
• 

• 
• 

An increase in estimated tax payments for the current year of $17.0 million, which includes payments for pre-
acquisition taxes of $3.4 million related to the acquisition of APS. 
A decrease in the final payments for the prior fiscal year of $13.0 million.
A $1.6 million increase in the excess tax benefit expected from the issuance of shares under stock compensation 
arrangements. 
An increase in state and other tax payments of $2.3 million.
These increases to tax payments were offset by an increase in Federal tax refunds received in 2010 of $4.2 
million.

Losses

The following table, known as the Analysis of Reserve Development, presents information over the preceding ten years 
regarding the payment of our losses as well as changes to (the development of) our estimates of losses during that time period. 
As noted in the table, ProAssurance has completed various acquisitions over the ten year period which have affected original 
and re-estimated gross and net reserve balances as well as loss payments.

The table includes losses on both a direct and an assumed basis and is net of anticipated reinsurance recoverables. The 

gross liability for losses before reinsurance, as shown on the balance sheet, and the reconciliation of that gross liability to 
amounts net of reinsurance are reflected below the table. We do not discount our reserve for losses to present value. 
Information presented in the table is cumulative and, accordingly, each amount includes the effects of all changes in amounts 
for prior years. The table presents the development of our balance sheet reserve for losses; it does not present accident year or 
policy year development data. Conditions and trends that have affected the development of liabilities in the past may not 
necessarily occur in the future. Accordingly, it is not appropriate to extrapolate future redundancies or deficiencies based on this 
table.

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The following may be helpful in understanding the Analysis of Reserve Development:

•  The line entitled “Reserve for losses, undiscounted and net of reinsurance recoverables” reflects our reserve for 
losses and loss adjustment expense, less the receivables from reinsurers, each as reported in our consolidated 
financial statements at the end of each year (the Balance Sheet Reserves).

•  The section entitled “Cumulative net paid, as of” reflects the cumulative amounts paid as of the end of each 

succeeding year with respect to the previously recorded Balance Sheet Reserves.

•  The section entitled “Re-estimated net liability as of” reflects the re-estimated amount of the liability previously 

recorded as Balance Sheet Reserves that includes the cumulative amounts paid and an estimate of additional liability 
based upon claims experience as of the end of each succeeding year (the Net Re-estimated Liability).

•  The line entitled “Net cumulative redundancy (deficiency)” reflects the difference between the previously recorded 
Balance Sheet Reserve for each applicable year and the Net Re-estimated Liability relating thereto as of the end of 
the most recent fiscal year.

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Table of Contents

In each year reflected in the table, we have estimated our reserve for losses utilizing the management and actuarial 

processes discussed in Critical Accounting Estimates. Factors that have contributed to the variation in loss development are 
primarily related to the extended period of time required to resolve professional liability claims and include the following:

•  The MPL legal environment deteriorated in the late 1990’s and severity began to increase at a greater pace than 

anticipated in our rates and reserve estimates. We addressed the adverse severity trends through increased rates, stricter 
underwriting and modifications to claims handling procedures. The expectation of increased claim severity was also 
considered in establishing our initial reserves for subsequent years. 

•  These adverse severity trends later moderated with that moderation becoming more pronounced beginning in 2009.  

We have been cautious in giving full recognition to indications that the pace of severity increase has slowed, but have 
given measured recognition of the improving trends in our reserve estimates, as discussed more fully under “Critical 
Accounting Estimates—Reserve for Losses and Loss Adjustment Expenses (reserve for losses or reserve).” The 
favorable development has been most pronounced for years 2004 to 2008, since the initial reserves for these accident 
years were established prior to substantial indication that severity trends were moderating. We give stronger 
recognition to a lower severity trend as time elapses and the percentage of closed claims increases.

•  A general decline in claim frequency has also been a contributor to favorable loss development. A significant portion 

of our policies through 2003 were issued on an occurrence basis, and a smaller portion of our ongoing business results 
from the issuance of extended reporting endorsements which has occurrence-like exposure. As claim frequency 
declined, the number of reported claims related to these coverages was less than originally expected.

Activity in our net reserve for losses during 2012, 2011 and 2010 is summarized below:

(In thousands)

Balance, beginning of year
Less receivable from reinsurers
Net balance, beginning of year
Reserves acquired from acquisitions
Incurred related to:
Current year
Prior years
Total incurred
Paid related to:

Current year
Prior years

Total paid
Net balance, end of year
Plus receivable from reinsurers
Balance, end of year

Year Ended December 31

$

2012
2,247,772
247,658
2,000,114
22,464

$

2011
2,414,100
277,436
2,136,664
—

2010
2,422,230
262,659
2,159,571
82,225

451,951
(272,038)
179,913

(38,439)
(300,703)
(339,142)
1,863,349
191,645
2,054,994

$

488,152
(325,865)
162,287

(34,240)
(264,597)
(298,837)
2,000,114
247,658
2,247,772

$

455,105
(233,990)
221,115

(34,593)
(291,654)
(326,247)
2,136,664
277,436
2,414,100

$

$

At December 31, 2012 our gross reserve for losses included case reserves of approximately $1.1 billion and IBNR 
reserves of approximately $0.9 billion. Our consolidated gross reserve for losses on a GAAP basis exceeds the combined gross 
reserves of our insurance subsidiaries on a statutory basis by approximately $0.1 billion, which is principally due to the portion 
of the GAAP reserve for losses that is reflected for statutory accounting purposes as unearned premiums. These unearned 
premiums are applicable to extended reporting endorsements (“tail” coverage) issued without a premium charge upon death, 
disability or retirement of an insured who meets certain qualifications.

Reinsurance

We use reinsurance to provide capacity to write larger limits of liability, to provide protection against losses in excess of 
policy limits, and to stabilize underwriting results in years in which higher losses occur. The purchase of reinsurance does not 
relieve us from the ultimate risk on our policies, but it does provide reimbursement from the reinsurer for certain losses paid by 
us.

We generally reinsure professional liability risks under annual treaties pursuant to which the reinsurer agrees to assume 

all or a portion of all risks that we insure above our individual risk retention of $1 million per claim, up to the maximum 
individual limit offered. Historically, the professional liability per claim retention level has varied between 90% and 100% of 
the first $1 million and between 0% and 5% of claims exceeding those levels depending on the coverage year and the state in 

40

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which business was written. Large professional liability risks that are above the limits of our basic reinsurance treaties are 
reinsured on a facultative basis, whereby the reinsurer agrees to insure a particular risk up to a designated limit.

Our primary reinsurance agreements are negotiated and renewed annually at October 1. There was no significant change 
in the cost or structure of the agreements renewed on October 1, 2012, other than we increased the upper limit of our coverage 
from $16 million to $26 million. The pricing structure of the additional coverage is consistent with prior pricing for excess 
coverage.

Our risk retention level is dependent upon numerous factors including our risk tolerance and the capital we have to 
support it, the price and availability of reinsurance, volume of business, level of experience with a particular set of claims and 
our analysis of the potential underwriting results. We purchase reinsurance from a number of companies to mitigate 
concentrations of credit risk. We utilize reinsurance brokers to assist us in the placement of our reinsurance coverage and in the 
analysis of the credit quality of our reinsurers. We base our reinsurance buying decisions on an evaluation of the then-current 
financial strength, rating and stability of prospective reinsurers. However, the financial strength of our reinsurers, and their 
corresponding ability to pay us, may change in the future due to forces or events we cannot control or anticipate.

The following table identifies those reinsurers for which our recoverables for both paid and unpaid claims (net of 

amounts due to the reinsurer) and our prepaid balances are aggregately $10 million or more as of December 31, 2012:

Reinsurer

(In thousands)

Domiciliary
Country

A.M. Best
Company Rating

Net Amounts Due
From Reinsurer

Hannover Rueckversicherung AG
Aspen Insurance UK, Ltd.
Transatlantic Reinsurance Company
General Reinsurance Corporation

Germany
United Kingdom
United States
United States

A+
A
A
A++

$31,224
$21,481
$16,727
$12,123

Taxes

In December 2012 we received a Notice of Proposed Adjustment (NOPA) from the IRS which disallows a substantial 
portion of the loss and loss adjustment expense deductions taken for the 2009 and 2010 fiscal years and would thereby increase 
our current tax liability by approximately $130 million. We believe that our loss and loss adjustment expense deduction was 
computed in a manner consistent with tax law, our past practices, and the practices of other liability insurers, and we have 
begun the process of contesting the IRS position. The proposed adjustment represents a temporary timing difference and 
impacts the timing of deductions, rather than their allowance, and would shift tax from deferred to current tax expense but 
would not increase total tax expense. Additional tax payments that might be made as a result of the NOPA would come out of 
our cash and investments and could impact future investment earnings, but, except for interest on past-due taxes, if any, will not 
change recorded tax expense. We have considered this matter in establishing our liability for uncertain tax matters. We do not 
know when a final resolution will be reached with the IRS, or the extent, if any, to which we might be required to accelerate our 
tax payments or the amount of interest, if any, we might be required to pay. In January 2013 we made a $20 million protective 
tax payment to the IRS in order to reduce interest assessments should the IRS position be fully or partially sustained.

Litigation

We are involved in various legal actions related to insurance policies and claims handling including, but not limited to, 

claims asserted against us by policyholders. These types of legal actions arise in the ordinary course of business and, in 
accordance with GAAP for insurance entities, are generally considered as a part of our loss reserving process, which is 
described in detail under “Critical Accounting Estimates – Reserve for Losses and Loss Adjustment Expenses (reserve for 
losses or reserve).” We also have other direct actions against the company which we evaluate and account for as a part of our 
other liabilities. For these corporate legal actions, we evaluate each case separately and establish what we believe is an 
appropriate reserve based on GAAP guidance related to contingent liabilities.

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Investing Activities and Related Cash Flows

Investment Exposures

The following table provides summarized information regarding our investments as of December 31, 2012:

($ in thousands)

Fixed Maturities
Government

U.S. Treasury
U.S. Government-sponsored enterprise

Total government

State and Municipal Bonds

Pre-refunded
General obligation
Special revenue

Total state and municipal bonds

Corporate Debt

Financial institutions
Communications
Utilities/Energy
Industrial
Other

Total corporate debt

Securities backed by:

Agency mortgages
Non-agency mortgages
Subprime home equity loans
Alt -A mortgages
Agency commercial mortgages
Other commercial mortgages
Credit card loans
Automobile loans
Other asset loans

Total asset-backed securities
Total fixed maturities

Equities

Financial
Utilities/Energy
Consumer oriented
Technology
Industrial
All Other

Total equities

Short-Term
Business-owned life insurance (BOLI)
Investment in Unconsolidated Subsidiaries
Investment in tax credit partnerships
Investment in LPs

Total investment in unconsolidated
subsidiaries

Other Investments

Carrying
Value

Included in Carrying Value:
Unrealized
Unrealized
Losses
Gains

Average
Rating

(1)

% Total
 Investments

$

$

205,857
56,947
262,804

154,822
374,429
690,728
1,219,979

425,286
100,834
279,772
653,478
11,154
1,470,524

275,670
6,791
7,304
7,389
59,464
74,106
17,967
33,622
12,379
494,692
3,447,999

70,900
31,383
51,100
11,495
18,200
19,540
202,618
71,737
52,414

87,310
33,739

121,049

$

14,266
4,837
19,103

9,070
27,007
49,252
85,329

25,290
6,272
21,656
42,529
440
96,187

16,389
269
75
412
2,255
5,049
562
286
280
25,577
226,196

—
—
—
—
—
—
—
—
—

—
—

—

(2)
(2)
(2)

(2)

(2)

(51) AA+
— AA+
(51) AA+

(5) AA
(3) AA+
(86) AA
(94) AA

(108) A

(6) BBB
(335) BBB+
(1,094) BBB+
— A
(1,543) A-

(46) AA+
(24) A
(580) BBB+
(140) B-

(25) AA+
(5) AAA
— AAA
(20) AAA
(1) AA
(841) AA+

(2,529) A+

—
—
—
—
—
—
—
—
—

—

—

5 %
1 %
7 %

4 %
10 %
18 %
31 %

11 %
3 %
7 %
17 %
<1%
37 %

7 %
<1%
<1%
<1%
2 %
2 %
<1%
1 %
<1%
13 %
88 %

2 %
1 %
1 %
<1%
<1%
<1%
5 %
2 %
1 %

2 %
1 %

3 %

FHLB capital stock
Investments in LP/LLCs
Other

<1%
1 %
<1%
1 %
100%
(1)  A weighted average rating is calculated using available ratings from Standard & Poor’s, Moody’s and Fitch. The table presents the Standard & Poor’s 

4,278
25,092
1,715
31,085
3,926,902

Total other investments
Total Investments

—
—
—
—
226,196

—
—
—
—
(2,529)

$

$

$

rating that is equivalent to the computed average.

(2)  The rating presented is the Standard & Poor’s rating rather than the average. The Moody’s rating is Aaa and the Fitch rating is AAA.

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A detailed listing of our investment holdings as of December 31, 2012 is presented in an Investor Supplement we make 

available in the Investor Relations section of our website, www.proassurance.com, or directly at www.proassurance.com/
investorrelations/supplemental.aspx.

We manage our investments to ensure that we will have sufficient liquidity to meet our obligations, taking into 

consideration the timing of cash flows from our investments, including interest payments, dividends and principal payments, as 
well as the expected cash flows to be generated by our operations. In addition to the interest and dividends we will receive, we 
anticipate that between $40 million and $70 million of our investments will mature (or be paid down) each quarter of the next 
year and become available, if needed, to meet our cash flow requirements. The primary outflow of cash at our insurance 
subsidiaries is related to paid losses and operating costs, including income taxes. The payment of individual claims cannot be 
predicted with certainty; therefore, we rely upon the history of paid claims in estimating the timing of future claims payments. 
To the extent that we may have an unanticipated shortfall in cash we may either liquidate securities or borrow funds under 
existing borrowing arrangements through our credit facility and the FHLB system. In December 2012 we elected to partially 
fund our acquisition of Medmarc by borrowing $125 million from our existing credit facility on a fully secured basis as this 
allowed us to continue to hold rather than liquidate certain higher yielding securities. At December 31, 2012, $25 million of the 
credit facility remains available for use. Given the relatively short duration of our investments, we do not foresee a shortfall 
that would require us to meet operating cash needs through additional borrowings. Additional information regarding the credit 
facility is detailed in Note 10 of the Notes to Consolidated Financial Statements.

Our investment portfolio continues to be primarily composed of high quality fixed income securities with approximately 
93% of our fixed maturities being investment grade securities as determined by national rating agencies. The weighted average 
effective duration of our fixed maturity securities at December 31, 2012 was 3.8 years; the weighted average effective duration 
of our fixed maturity securities combined with our short-term securities was 3.7 years.

The carrying value of our tax credit partnerships at December 31, 2012, 2011 and 2010 was approximately $87.3 million, 

$86.8 million and $60.2 million, respectively. The carrying value reflected our total commitments to the partnerships, less 
amortization, since our initial investment. These investments are comprised of separate limited partner interests designed to 
generate investment returns by providing tax benefits to investors in the form of project operating losses and tax credits. The 
related properties are principally low income housing properties. We fund these investments based on funding schedules 
maintained by the partnerships. During 2012, 2011 and 2010 we funded approximately $35.7 million, $29.2 million and $13.6 
million, respectively. Approximately $20.5 million, $49.3 million and $46.8 million of our total commitments had not yet been 
funded as of December 31, 2012, 2011 and 2010, respectively.

During 2012, 2011 and 2010, we increased our investments in LPs/LLCs that are investment fund interests rather than tax 

credit partnership interests by approximately $18.5 million, $4.7 million and $15.4 million, respectively. As of December 31, 
2012, we had unfunded commitments to these LPs/LLCs of $81.9 million. The remaining commitments will be paid over 5 
years as requested by the fund managers.

European Debt Exposure

We have no direct European sovereign debt exposure. We have indirect exposure through our investments in debt 
securities and through our reinsurance receivables. Issuers of our debt or equity securities and our reinsurers may hold 
European sovereign debt or have counterparty exposure to European banks or European corporations or may have a reliance on 
Eurocurrency denominated business. Should Europe suffer a severe recession or the Euro-zone or Eurocurrency fail, issuers 
may suffer credit or profitability losses or may experience a credit downgrade by rating agencies.

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Our debt securities at December 31, 2012 included $121.9 million (3% of our total investments) where the issuer is 
domiciled in Europe or the underlying revenue stream supporting the security is European. Of our European issuers, we believe 
those in the financial sector are most likely to suffer loss in the event of a European economic crisis. A summary of these debt 
securities by country follows (country designation is based on the underlying revenue stream of the security):

(in millions)
United Kingdom
Netherlands
France
Switzerland
Luxembourg
Germany
Ireland
Sweden
Norway
Spain
Denmark

European Debt Exposure by Country and Industry Type

Total 
Exposure

Financial
Institutions

Industrial &
Utilities

Energy &
Communication

$

$

51.8
23.3
18.0
7.9
5.7
3.0
2.9
2.6
2.6
2.2
1.9
121.9

$

$

19.3
5.1
3.2
7.9
—
1.0
0.8
2.6
1.3
—
1.9
43.1

$

$

22.6
6.3
0.9
—
2.1
—
—
—
1.3
—
—
33.2

$

$

9.9
11.9
13.9
—
3.6
2.0
2.1
—
—
2.2
—
45.6

Our investments outside of Europe, and particularly our financial sector investments, could also be negatively affected by 

a significant European economic crisis. At December 31, 2012 we held non-European financial sector debt securities of 
approximately $382.2 million.

Our reinsurers typically operate globally and have large investment portfolios which may be linked directly or indirectly 

to the European economy. As of December 31, 2012, two of our largest reinsurers were domiciled in Europe; our net 
receivables with these reinsurers totaled approximately $53 million. Net amounts due from reinsurers approximated $164.0 
million at December 31, 2012.

We do not currently write insurance policies in Europe and do not have any notes or accounts receivable from European 

issuers, exclusive of our reinsurance receivables.

Acquisitions

Effective January 1, 2013, we acquired Medmarc through a sponsored demutualization. Medmarc is an underwriter of 
both products liability insurance for medical technology and life sciences companies and legal professional liability insurance.  
We also acquired a Nevada reciprocal exchange, IND, on November 30, 2012 through a conversion from a reciprocal to a stock 
insurance company. The total cost of these transactions approximated $183.6 million including the funding of approximately 
$7.5 million in future policy credits. Funds for the transaction completed January 1, 2013 were deposited with a conversion 
trustee on December 27, 2012; the deposit was included in Other Assets on our December 31, 2012 Consolidated Balance 
Sheet. Net premiums earned for the acquired entities for the year ended December 31, 2012 that was not included in 
ProAssurance's 2012 results totaled approximately $50.5 million, of which $9.4 million related to medical professional liability 
coverages, $32.0 million related to medical and life sciences corporate liability coverages, and $9.1 million related to legal 
professional liability coverages. See Note 2 of the Notes to Consolidated Financial Statements for additional information 
regarding these acquisitions.

On November 30, 2010, we acquired 100% of the outstanding shares of American Physicians Service Group, Inc., a MPL 

provider principally insuring physicians in the state of Texas, in a transaction valued at $237 million including cash paid of 
$233 million and liabilities assumed of $4 million.

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Financing Activities and Related Cash Flows

Treasury Shares

Treasury share activity for 2012, 2011 and 2010 was as follows:

(in thousands)

Treasury shares at the beginning of the period
Shares reissued in conjunction with stock split

Shares reacquired, at cost of $21 million and $106 million, respectively

Shares reissued to the ProAssurance 2011 Employee Stock Ownership
Plan, fair value of $1 million and $0.7 million, respectively

Treasury shares at the end of the period

Year Ended December 31

2011

2010

2012
7,996
(7,729)
—

7,332
—

682

(23)
244

(18)
7,996

3,623
—

3,709

—

7,332

At December 31, 2012, approximately $135.1 million of Board authorizations for the repayment of debt or repurchase of 

common shares remain available for use.

Shareholder Dividends

In December 2012 the Board of Directors of ProAssurance declared and paid a special dividend totaling $154.1 million. 

The Board also declared regular quarterly cash dividends during 2012 totaling $38.4 million, all of which were paid in 2012. 
During 2011, the Board declared two regular quarterly cash dividends totaling $15.3 million. The fourth quarter dividend of 
$7.7 million was paid in January 2012. The liability for unpaid dividends at December 31, 2011 was included in Other 
Liabilities. Any decision to pay future cash dividends is subject to the Board’s final determination after a comprehensive review 
of financial performance, future expectations and other factors deemed relevant by the Board.

Debt

During 2011, we entered into a revolving credit agreement that allows us to borrow up to $150 million for general 
corporate purposes, including, but not limited to, short-term working capital, share repurchases as authorized by the Board, and 
support for other activities we enter into in the normal course of business. In September 2012, we amended the agreement and 
extended its expiration date to April 15, 2016. During December 2012, we elected to partially fund our upcoming acquisition of 
Medmarc by borrowing $125 million under the agreement, on a fully secured basis, which allowed us to continue to hold rather 
than liquidate certain higher yielding securities. The borrowing is first repayable in March 2013 but repayment is not required 
until expiration of the credit agreement. 

During 2012, we used $57.7 million of available funds to repay long-term debt and terminate a related interest rate swap. 

We recognized a loss on the debt repayment of $2.2 million. 

We are also a member of the FHLB. Through membership, we have access to secured cash advances which can be used 
for liquidity purposes or other operational needs. To date, we have not established a FHLB line of credit or materially utilized 
our membership.

ProAssurance is currently in compliance with all covenants associated with the revolving credit agreement. Additional 

information regarding our debt is provided in Note 10 of the Notes to Consolidated Financial Statements.

Off-Balance Sheet Arrangements/Guarantees

We have no significant off-balance sheet arrangements or guarantees.

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Contractual Obligations

A schedule of our non-cancellable contractual obligations at December 31, 2012 follows:

(In thousands)

Loss and loss adjustment expenses
Revolving credit agreement obligations 
including interest

Operating lease obligations
LP/LLC commitments

Total

Payments due by period

Total
$ 2,054,994

Less than
1 year
523,082

$

1-3 years

3-5 years

$

647,611

$

415,154

$

More than
5 years
469,147

128,492
16,321
102,469
$ 2,302,276

$

1,063
2,710
59,207
586,062

$

2,125
4,557
42,478
696,771

$

125,304
3,665
784
544,907

$

—
5,389
—
474,536

We believe that our operating cash flow and funds maturing from our investment portfolio are adequate to meet our 

contractual obligations.

The above table presumes that the current borrowing under our revolving credit agreement remains outstanding until 

expiration of the agreement on April 15, 2016, and that no additional amounts will be borrowed under the facility. Additional 
borrowings could occur or we could choose to repay the current borrowing at some earlier time. For more information 
regarding the credit facility see Note 10 of the Notes to Consolidated Financial Statements.

The anticipated payout of loss and loss adjustment expenses is based upon our historical payout patterns. Both the timing 

and amount of these payments may vary from the payments indicated. Our operating lease obligations are primarily for the 
rental of office space and office equipment.

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Overview of Results–Years Ended December 31, 2012 and 2011

Net income and Operating income (a non-GAAP financial measure, see reconciliation below) were as follows:

(In millions, except per share data)

Net income

Operating income
Net income per diluted share

Operating income per diluted share

Year Ended
December 31

2012

2011

$

$

$
$

275.5

257.2

4.46
4.16

$
$

$
$

287.1
278.5

4.65
4.52

Results from the years ended December 31, 2012 and 2011 compare as follows:

Revenues

Net premiums earned decreased during 2012 by approximately $14.8 million or 2.6%. The decrease principally reflects 

the effects of a competitive market place, but also reflected a net decrease of approximately $1.9 million related to ceded 
premium owed to reinsurers for prior year coverages. 

Our net investment result (which includes both net investment income and earnings from unconsolidated subsidiaries) 

decreased $2.6 million or 2.0%. Net investment income decreased during 2012, primarily due to lower yields on our fixed 
income portfolio and lower average fixed income investment balances. Approximately $0.8 million of the decrease is due to 
increased amortization of tax credit investments in 2012.

Net realized investment gains in 2012 were approximately $22.9 million higher than in 2011. The improvement was 
principally attributable to our equity trading portfolio, but also reflected additional gains from sales of fixed maturity securities 
and lower impairment losses in 2012.

Other income decreased by $6.5 million in 2012. The decrease is primarily attributable to $4.9 million of other income in 

2011 that resulted from the confidential settlement of litigation with a service provider.

Expenses

Current accident year net losses decreased by $36.2 million or 7.4% in 2012 as compared to 2011. The decline was 

principally attributable to a reduction in the number of insured risks, but also reflected lower expected losses for our death, 
disability and retirement coverages, and the effect of a commutation recorded in 2011. We reduced net losses by $272.0 million 
and $325.9 million in 2012 and 2011, respectively, as a result of our review of our estimate of net losses incurred for prior 
accident years.

Underwriting, policy acquisition and operating expenses decreased by $0.8 million or 0.6% in 2012 as compared to 2011, 

which reflected lower costs associated with the operations we acquired from APS, offset by additional expense due to recently 
closed merger transactions, higher compensation costs and the effect of adopting new FASB guidance regarding policy 
acquisition costs.

We recognized losses of $2.2 million in 2012 related to the repayment of the 2019 Note Payable which was carried at fair 

value.

Ratios

Our current accident year net loss ratio decreased 4.2 percentage points in 2012 due to changes in the mix of insured 
risks. Our calendar year net loss ratio was 32.7% for 2012 as compared to 28.7% for 2011, with the increase reflecting the 
emergence of a smaller amount of favorable development in 2012.

Our underwriting expense ratio increased 0.6 percentage points in 2012, principally reflecting the effect of lower net 

premiums earned in 2012. 

Our operating ratio increased by 4.8 percentage points in 2012, reflecting higher net loss and expense ratios and a lower 

investment ratio in 2012.

Return on equity was 12.4% in 2012 and 14.3% in 2011.

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Book Value per Share

Our book value per share at December 31, 2012 was $36.85 compared to $35.42 at December 31, 2011. The increase 
primarily reflected the effect of our 2012 comprehensive income, partially offset by dividends declared during 2012 which 
reduced our book value by $3.13 per share. Due to the size of our Shareholders’ Equity (approximately $2.3 billion at 
December 31, 2012), the growth rate of our book value per share may slow. The past growth rates of our book value per share 
do not necessarily predict similar future results.

Non-GAAP Financial Measures

Operating income is a non-GAAP financial measure that is widely used to evaluate the performance of insurance entities. 

Operating income excludes the after-tax effects of net realized investment gains or losses, guaranty fund assessments, debt 
retirement gain or loss and the effect of confidential settlements that do not reflect normal operating results. We believe 
operating income presents a useful view of the performance of our insurance operations, but should be considered in 
conjunction with net income computed in accordance with GAAP.

The following table is a reconciliation of Net income to Operating income:

(In thousands, except per share data)

Net income
Items excluded in the calculation of operating income:

(Gain) loss on extinguishment of debt

Net realized investment (gains) losses

Guaranty fund assessments (recoupments)

Effect of confidential settlements, net

Pre-tax effect of exclusions

Tax effect, at 35%

Operating income

Per diluted common share:

Net income

Effect of exclusions

Operating income per diluted common share

Year Ended December 31

2012
275,470

$

2011

$

287,096

2,163
(28,863)
345
(1,694)
(28,049)

—
(5,994)
(66)
(7,143)
(13,203)

9,817

4,621

$

$

$

257,238

4.46
(0.30)
4.16

$

$

$

278,514

4.65
(0.13)
4.52

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Results of Operations–Year Ended December 31, 2012 Compared to Year Ended December 31, 2011 

Selected consolidated financial data for each period is summarized in the table below.

($ in thousands, except share data)

2012

2011

Change

Year Ended December 31

Revenues:

Net premiums earned
Net investment income
Equity in earnings (loss) of unconsolidated subsidiaries

Net investment result
Net realized investment gains (losses)

Other income

Total revenues

Expenses:

Losses and loss adjustment expenses

Reinsurance recoveries

Net losses and loss adjustment expenses

Underwriting, policy acquisition and operating expenses

Interest expense

Loss on extinguishment of debt

Total expenses

$ 550,664

$ 565,415

$

136,094
(6,873)
129,221
28,863

7,106
715,854

161,726
18,187
179,913

135,631

2,181

2,163
319,888

140,956
(9,147)
131,809
5,994
13,566
716,784

151,270

11,017

162,287

136,421

3,478

—

302,186

(14,751)
(4,862)
2,274
(2,588)
22,869
(6,460)
(930)

10,456
7,170

17,626
(790)
(1,297)
2,163

17,702

Income before income taxes

395,966

414,598

(18,632)

Income taxes

Net income

Earnings per share:

Basic
Diluted

Net loss ratio
Underwriting expense ratio
Combined ratio
Operating ratio
Tax ratio
Return on equity

120,496

127,502

(7,006)

$ 275,470

$ 287,096

$

(11,626)

$

$

4.49

4.46

$
$

4.70
4.65

$
$

(0.21)
(0.19)

32.7%
24.4%
57.1%
32.4%
30.4%
12.4%

28.7%
23.8%
52.5%
27.6%
30.8%
14.3%

4.0
0.6
4.6
4.8
(0.4)
(1.9)

In all tables that follow, the abbreviation “nm” indicates that the percentage change is not meaningful.

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Premiums Written

Changes in our premium volume are driven by four primary factors: (1) our retention of existing business, (2) the 
premium charged for business that is renewed, which is affected by rates charged and by the amount and type of coverage an 
insured chooses to purchase, (3) the timing of premium written through multi-period policies, and (4) the amount of new 
business we generate. The professional liability market remains competitive with some competitors choosing to compete 
primarily on price.

Gross, ceded and net premiums written were as follows:

($ in thousands)

Gross premiums written

Ceded premiums written
Net premiums written

Year Ended December 31

2012
$ 536,431

(8,133)
$ 528,298

2011
$ 565,895
(7,388)
$ 558,507

Change

$ (29,464)
(745)
$ (30,209)

(5.2%)
10.1%

(5.4%)

Gross Premiums Written

Gross premiums written by component were as follows:

($ in thousands)

2012

2011

Change

Year Ended December 31

Gross premiums written:

Physician, traditional term policies
Physician, two-year term policies *

              Total Physician

Non-physician healthcare providers

Hospital and facility

Other
Non-continuing

Tail coverage premiums, all policy types

$ 403,429

$ 428,928

13,081

416,510

42,864

28,259
18,778

626

29,394

22,253

451,181

45,641

28,088

17,961

2,078

20,946

Total

$ 536,431

$ 565,895

$ (25,499)
(9,172)
(34,671)
(2,777)
171

817
(1,452)
8,448
$ (29,464)

(5.9%)

(41.2%)

(7.7%)

(6.1%)

0.6%

4.5%

(69.9%)

40.3%
(5.2%)

* We offer two- year term policies to our physician insureds in one selected jurisdiction. The premium 

associated with both years is included in written premium in the period the policy is written; comparison 
of gross written premium between successive years reflect volume differences that have no effect on 
earned premium. A comparison to 2010 is more meaningful; gross written premium for two-year term 
policies in 2010 was $10.9 million.

 As compared to 2011, physician premiums declined in 2012. The expected timing differences associated with two-year 

policies accounted for more than 25% of the total physician premium decrease.

Our retention rate for our standard physician business was 90% for 2012, as compared to 89% for 2011. We calculate our 

retention rate as retained premium divided by all premium subject to renewal. Retention rates are affected by a number of 
factors. We may lose insureds to competitors or to alternative insurance mechanisms such as risk retention groups or self-
insurance entities (often when physicians join hospitals or large group practices) or due to pricing or other issues. We may 
choose not to renew an insured as a result of our underwriting evaluation. Insureds may also terminate coverage because they 
have left the practice of medicine for various reasons, principally for retirement but also for personal reasons or due to 
disability or death.

Charged rates for our renewed physician business averaged 1% higher than the expiring premiums during 2012. Our 
charged rates include the effects of filed rates, surcharges and discounts. Despite competitive pressures, we continue to base our 
rates on expected losses, as indicated by our historical loss data and available industry loss data. We are committed to a rate 
structure that will allow us to fulfill our obligations to our insureds, while generating competitive returns for our shareholders.

New physician business written in 2012 was approximately $9 million.

Our non-physician healthcare providers are primarily dentists, chiropractors and allied health professionals. The 2012 

decline in premium volume for these coverages was primarily attributable to allied health professionals.

Our hospital and facility premiums remained relatively flat in 2012.

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Our “other” premiums are primarily legal professional liability premiums which increased in 2012 due to a greater 

number of insureds.

Our non-continuing premiums consist of premiums derived from optometry coverages discontinued in early 2012 and 

certain miscellaneous liability coverages which were discontinued in 2010 but that continued to produce small amounts of 
written premium in 2011 and 2012.

We offer extended reporting endorsement or “tail” coverage to insureds that are discontinuing their claims-made coverage 

with us, and we also periodically offer “tail” coverage through custom policies. The amount of tail coverage premium written 
can vary widely from period to period. A large portion of the increase in tail premium in 2012 was attributable to a single 
custom policy issued to a hospital that terminated its self insurance arrangement.

Ceded Premiums Written

Ceded premiums written compared as follows:

($ in thousands)

Primary reinsurance agreement, current accident year

Reduction in premiums owed under reinsurance agreements
Ascension Health Certitude program
Commutation
Other premiums ceded

Total ceded premiums written

Year  Ended December 31

2012
$ 23,213
(34,328)
7,308

—

11,940

2011

$ 25,479
(30,584)
5,027
(5,634)
13,100

$

8,133

$

7,388

Change

$ (2,266)
(3,744)
2,281
5,634
(1,160)
745

$

(8.9%)

12.2%
45.4%
nm

(8.9%)

10.1%

Ceded premiums represent the amounts owed to our reinsurers for their assumption of a portion of our losses. The 
ultimate amount owed under certain of our reinsurance agreements is variable and is determined by the loss experience of the 
business ceded, subject to minimums and maximums. Losses incurred for our higher limit coverages are almost fully reinsured 
and were estimated to be lower for the 2012 accident year than for the 2011 accident year. As a result, our estimate of ceded 
premium owed under our primary reinsurance agreements for the current accident year was lower in 2012.

 Many years may elapse before all losses recoverable under a reinsurance agreement are known. In the intervening 

periods, amounts owed are estimated. Premiums ceded for the current period includes both our estimate of premiums owed 
under reinsurance agreements of the current period and changes to our previous estimate of premiums owed under reinsurance 
agreements of prior periods. In both 2012 and 2011, we reduced our estimates of prior accident year gross losses within our 
reinsured layers of coverage, as well as the related reinsurance recoveries and premiums ceded.

We share the risk of loss for policies written or renewed under the Ascension Health (Ascension) Certitude program with 
an Ascension affiliate under a quota share agreement. Growth in the program increased ceded premium in 2012 as compared to 
2011.

During 2011, we commuted (terminated) certain of our reinsurance agreements with Colisee Re (formerly AXA 
Reassurance S.A.) in return for approximately $4.3 million in cash. The commutation reduced Ceded Premium, on both a 
written and an earned basis, by $5.6 million and reduced Reinsurance Recoveries by approximately $4.0 million.

We reinsure most of our MPL coverages under a single reinsurance agreement that is renewed annually (referred to as our 
primary reinsurance agreement). Professional liability offered to dentists, allied health professionals, certain smaller facilities as 
well as higher limit MPL coverages were reinsured under separately negotiated contracts until October 1, 2012, but thereafter 
are covered by our primary reinsurance agreement. Amounts due to reinsurers under these separate contracts are included along 
with legal professional liability in the preceding table as "Other premiums ceded."

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Ceded Premiums Ratio

The principal components of the change in our ceded premiums ratio (ceded premiums written as a percentage of gross 

premiums written) are shown in the following table:

Ceded premiums ratio, excluding other listed factors

Effect on ceded premiums ratio from:

Reduction in premiums owed under reinsurance agreements
Ascension Certitude program

Commutation

Ceded premiums ratio, as reported

Year Ended December 31

2012
6.7%

2011

Change

7.5%

(0.8)

(6.6%)
1.4%

—

1.5%

(6.1%)
1.0%
(1.1%)

1.3%

(0.5)
0.4

1.1

0.2

Net Premiums Earned

Net premiums earned were as follows:

($ in thousands)

Premiums earned
Premiums ceded

Net premiums earned

Year Ended December 31

2012
$ 558,316

(7,652)

2011
$ 571,045
(5,630)

$ 550,664

$ 565,415

Change

$ (12,729)
(2,022)
$ (14,751)

(2.2%)

35.9%
(2.6%)

Net premiums earned consist of gross premiums earned less the portion of earned premiums that we cede to our 

reinsurers for their assumption of a portion of our losses. Because premiums are generally earned pro rata over the entire policy 
period, fluctuations in premiums earned tend to lag those of premiums written. Generally, our policies carry a term of one year, 
but as discussed above, we renew certain policies with a two-year term. Tail coverage premiums are generally 100% earned in 
the period written because the policies insure only incidents that occurred in prior periods and are not cancellable. Additionally, 
ceded premium changes due to commutations or changes to estimates of premiums owed under reinsurance agreements are 
fully earned in the period of change.

Premiums earned were lower in 2012, as compared to 2011, principally due to the pro-rata effect of lower non-tail 
physician premiums written during the preceding twelve months, partially offset by higher tail premiums written and earned in 
2012. 

Components of the change in premiums ceded earned during 2012 are detailed in the following table:

Primary reinsurance agreement, current accident year*

Reduction in premiums owed under reinsurance agreements*

(In thousands)

Ascension Health Certitude program*
Commutation*

All other factors

Net increase (decrease)

* See discussions under “Ceded Premiums Written” for further information.

Ceded Premiums Earned
Increase (Decrease)
2012 versus 2011

Year Ended
December 31

$

$

(2,576)
(3,744)
3,063

5,634
(355)
2,022

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Net Investment Income, Equity in Earnings (Loss) of Unconsolidated Subsidiaries, Net Realized Investment Gains 
(Losses)

Net Investment Income

Net investment income is primarily derived from the income earned by our fixed maturity securities and also includes 

income from our short-term and cash equivalent investments, dividend income from equity securities, earnings from other 
investments and increases in the cash surrender value of business owned life insurance contracts. Investment fees and expenses 
are deducted from investment income. 

Net investment income by investment category was as follows:

($ in thousands)

Fixed maturities

Equities
Short-term investments

Other invested assets
Business owned life insurance
Investment fees and expenses
Net investment income

2012
$ 133,088

6,947
132

528
2,008
(6,609)
$ 136,094

Year Ended December 31

2011

Change

$ 140,897
1,808

100
2,712
2,017
(6,578)
$ 140,956

$ (7,809)
5,139
32
(2,184)
(9)
(31)
$ (4,862)

(5.5%)

>100%
32.0%
(80.5%)

(0.4%)
0.5%
(3.4%)  

Fixed Maturities

As compared to 2011, earnings from fixed maturity investments declined in 2012. Our average investment in fixed 
maturities decreased by approximately 3% in 2012. In 2012 a portion of the proceeds from sales and maturities of our fixed 
maturities were not reinvested but instead were utilized for other corporate purposes which included payment of shareholder 
dividends, repayment of debt and partial funding of acquisitions. Yields for our fixed maturity portfolio were generally lower in 
2012. As securities matured, were paid down or sold, in order to maintain the asset quality and duration of our portfolio, most 
funds reinvested were at lower rates, although we did add certain higher yielding fixed maturities to our portfolio in 2012 as a 
means of improving overall yields. Yields for 2012 also reflected lower income from Treasury Inflation-Protected Securities of 
$1.0 million. Average yields for our fixed maturity securities during the years ended December 31, 2012 and 2011 were as 
follows:

Average income yield

Average tax equivalent income yield

Equities and Other Invested Assets

Year Ended December 31
2012
3.9%

2011
4.0%

4.5%

4.6%

Income from our equity portfolio increased in 2012 as compared to 2011 and primarily reflects higher average investment 
balances in 2012. A portion of the increased investment is attributable to an interest in a private investment LLC, classified as a 
part of Other investments during 2011, that was converted into publicly traded equity securities during 2012. The 2012 income 
decline for Other invested assets was principally attributable to this conversion.

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Equity in Earnings (Loss) of Unconsolidated Subsidiaries

Equity in earnings (loss) of unconsolidated subsidiaries is derived from our investment interests accounted for under the 

equity method. Results were as follows:

(In thousands)

2012

2011

Change

Year Ended December 31

Investment LPs

Business LLC interest

$

Tax credit partnerships
Equity in earnings (loss) of unconsolidated subsidiaries $

$

278
(728)
(6,423)
(6,873) $

(1,077) $
(2,479)
(5,591)
(9,147) $

1,355
1,751
(832)
2,274

We hold interests in certain LPs that generate earnings from trading portfolios. The performance of the LPs is affected by 

the volatility of equity and credit markets.

Our business LLC interest is a non-controlling interest in an entity that began active business in 2011. We recognize 

quarterly our allocable portion of the operating results reported by the LLC. The entity was slower to produce positive 
operating returns than initially anticipated and losses recognized in 2012 have reduced the carrying amount of our interest to 
zero. 

Our tax credit investments are designed to generate investment returns by providing tax benefits to fund investors in the 
form of project operating losses and tax credits. Our tax credit partnerships reduced our tax expenses by approximately $10.0 
million during the year ended December 31, 2012, while we recognized $6.4 million of pre-tax amortization ($4.2 million after 
tax) on these investments as noted in the table above. 

Non-GAAP Financial Measure – Tax Equivalent Investment Result

We believe that to fully understand our investment returns it is important to consider the current tax benefits associated 

with certain investments; therefore, we impute a pro forma tax-equivalent investment result by adjusting the current tax benefit 
into the amount of investment income a taxable investment would need to produce to fairly compare to an investment with 
preferential tax treatment. We believe this better reflects the economics of our decision to invest in certain asset classes that are 
either taxed at lower rates and/or result in reductions to our current federal income tax expense.

Net investment income, as reported for GAAP

(In thousands)

Taxable equivalent adjustments, calculated using the 35% federal statutory tax rate:

State and municipal bonds

BOLI

Dividends received

Pro forma tax-equivalent net investment income

Year Ended December 31

2012
136,094

$

2011

$

140,956

18,482

1,081

1,456

19,949

1,086

579

157,113

162,570

Equity in earnings (loss) of unconsolidated subsidiaries, as reported for GAAP

(6,873)

(9,147)

Taxable equivalent adjustment, calculated using the 35% federal statutory tax rate:

Tax credit partnerships

Pro forma tax-equivalent equity in earnings (loss) of unconsolidated subsidiaries

Pro forma tax-equivalent investment results

15,392
8,519

$

165,632

$

8,698
(449)
162,121

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Net Realized Investment Gains (Losses)

The following table provides detailed information regarding our net realized investment gains (losses).

Other-than-temporary impairment losses, total:

(In thousands)

Residential mortgage-backed securities
Corporate debt

Other investments

High yield asset-backed securities

Portion recognized in (reclassified from) Other Comprehensive Income:

Residential mortgage-backed securities

Net impairment losses recognized in earnings

Gross realized gains, available-for-sale securities

Gross realized (losses), available-for-sale securities
Net realized gains (losses), trading securities

Change in unrealized holding gains (losses), trading securities

Decrease (increase) in the fair value of liabilities carried at fair value

Other

Net realized investment gains (losses)

Year Ended December 31

2012

2011

$

(557) $
(878)
(131)
—

(782)
(505)
(3,827)
(75)

(201)
(1,767)
18,645
(2,076)
1,485

12,673
(1,245)
1,148

(823)
(6,012)
14,625
(1,754)
2,212
(3,188)
111

—

$

28,863

$

5,994

All impairments of debt securities recognized during 2012 were credit-related.

We recognized impairments of $0.1 million and $3.8 million during the years ended December 31, 2012 and 2011, 

respectively, related to an interest in an LLC classified as a part of Other investments which we accounted for using the cost 
method. The LLC announced in 2011 that it planned to convert to a publicly traded investment fund and we impaired the 
investment to the NAV reported by the fund. The conversion occurred during the second quarter of 2012.

We substantially increased the size of our equity trading portfolio over the previous year. Unrealized trading portfolio 

gains reflect higher average balances in our portfolio and an overall improvement in stock market yields.

Gains (losses) from changes  in the fair value of liabilities were entirely attributable to our 2019 Note Payable and related 

interest rate swap, both of which we repaid  in July 2012. For more information, see Note 3 and Note 10 of the Notes to 
Consolidated Financial Statements.

Other Income

Other Income is comprised primarily of commission and fee income from our agency operations, other fee revenues, 

rental income and other miscellaneous revenues. The revenue is not a principal source of income and often varies among 
periods. The decrease in 2012 as compared to 2011 primarily reflected other income of $4.9 million recognized in 2011 related 
to a confidential settlement of litigation with a service provider and a gain of approximately $0.8 million recognized on the sale 
of a building in 2011.

Losses and Loss Adjustment Expenses

The determination of calendar year losses involves the actuarial evaluation of incurred losses for the current accident year 

and the actuarial re-evaluation of incurred losses for prior accident years, including an evaluation of the reserve amounts 
required for losses in excess of policy limits.

Accident year refers to the accounting period in which the insured event becomes a liability of the insurer. For claims-

made policies, which represent over 90% of the Company’s business, the insured event generally becomes a liability when the 
event is first reported to the insurer. For occurrence policies the insured event becomes a liability when the event takes place. 
We believe that measuring losses on an accident year basis is the best measure of the underlying profitability of the premiums 
earned in that period, since it associates policy premiums earned with the estimate of the losses incurred related to those policy 
premiums.

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The following table summarizes calendar year net losses and net loss ratios for the years ended December 31, 2012 and 

2011 by separating losses between the current accident year and all prior accident years.

($ in millions)

Current accident year
Prior accident years
Calendar year

Net Losses

Net Loss Ratios*

Year Ended December 31

Year Ended December 31

2012
$ 452.0
(272.0)

2011
$ 488.2
(325.9)

$ 180.0

$ 162.3

Change

$

$

(36.2)
53.9

17.7

2011

2012
82.1 % 86.3%
(49.4%)
(57.6%)
32.7 % 28.7%

Change

(4.2)
8.2

4.0

* Net losses as specified divided by net premiums earned.

Our current accident year net loss ratios for the years ended December 31, 2012 and 2011 compare as follows:

Current accident year net loss ratio, excluding other
listed factors
Effect attributable to:

Change in our estimate of the reserve for death,
disability and retirement

Reduction in premiums owed under reinsurance
agreements

Commutation

Tail coverages

Current accident year net loss ratio, as reported

Year Ended December 31

2012

2011

Change

86.1%

85.9%

0.2

(0.3%)

3.7%

(5.6%)
—%

1.9%

82.1%

(4.9%)

(0.1%)

1.7%

86.3%

(4.0)

(0.7)
0.1

0.2
(4.2)

The 2012 decrease in our current accident year net loss ratio reflects the following:

•  In 2012 we decreased our loss reserves related to death, disability and retirement (DDR) coverage endorsements 

provided to our insureds while in 2011 we increased loss reserves for this coverage. The reserve for DDR is actuarially 
estimated and is affected by changes in the number of insureds expected to benefit from the coverage endorsement.

•  Net earned premium in both 2012 and 2011 was increased by reductions to amounts owed under reinsurance 
agreements (see "Net Premiums Earned"). The reductions had a greater effect on the net loss ratio in 2012.

•  A commutation recorded in 2011 increased the 2011 net loss ratio; no commutation was recorded in 2012.

•  More of our net earned premium was from tail coverages in 2012. This increases our average net loss ratio because we 

expect higher losses for tail coverages than for our other professional liability coverages.

We recognized favorable loss development related to prior accident years of $272.0 million for the year ended 

December 31, 2012 and $325.9 million for the year ended December 31, 2011. A detailed discussion of factors influencing our 
recognition of loss development recognized is included in the Critical Accounting Estimates section of Item 7, under the 
caption “Reserve for Losses and Loss Adjustment Expenses.” Information provided includes the amount of development 
recognized by accident year and the factors considered and judgments made to determine the amount of development 
recognized.

Assumptions used in establishing our reserve are regularly reviewed and updated by management as new data becomes 

available. Any adjustments necessary are reflected in the current operations. Due to the size of our reserve, even a small 
percentage adjustment to the assumptions can have a material effect on our results of operations for the period in which the 
change is made, as was the case in both 2012 and 2011.

Recoveries

We recognized favorable prior accident year loss development of approximately $49.4 million in 2012 and $39.9 million 
in 2011 related to our reinsured coverage layers (generally, losses exceeding $1 million) and recognized offsetting reductions to 
loss recoveries of $49.4 million in 2012 and $39.9 million in 2011. Because the reductions exceed other recoveries during each 
year, recoveries increased rather than decreased net losses for the years ended December 31, 2012 and 2011.

We similarly reduced our estimates of the premium due to reinsurers by $34.3 million and $30.6 million in 2012 and 

2011, respectively, because the premium due to reinsurers is based in part on amounts recovered.

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 Underwriting, Policy Acquisition and Operating Expenses

The table below provides a comparison of 2012 and 2011 underwriting, policy acquisition and operating expenses:

($ in thousands)

Insurance operation expenses

Agency expenses

Year Ended December 31

2012
$ 134,393
1,238
$ 135,631

2011
$ 134,342

2,079
$ 136,421

$

$

Change
51
(841)
(790)

nm
(40.5%)
(0.6%)

Insurance Operation Expenses

 Insurance operation expenses in 2012 as compared to 2011 primarily reflected the net effect of the following:

•  We incurred expenses related to the mergers of IND and Medmarc of approximately $1.5 million in 2012. We 

anticipate additional expenses directly related to our merger with Medmarc of approximately $0.8 million, most of 
which will be incurred in the first quarter of 2013.

•  As discussed in Notes 1 and 7 of the Notes to Consolidated Financial Statements, we adopted, on a prospective 

basis, new FASB guidance related to the deferral of policy acquisition costs. The new guidance affects the timing, 
but not the amount of acquisition costs ultimately expensed, as the decrease in the expense deferral reduces 
amortization of policy acquisition costs by the same amount, recognized over the term of the associated successful 
policies. Our 2012 expenses reflect a net increase of approximately $1.9 million in 2012 due to adoption of the new 
guidance, as we expensed approximately $4.2 million of policy acquisition costs that under prior guidance would 
have been deferred to later periods but also recognized amortization expense that was approximately $2.3 million 
lower than would have been recognized under previous guidance.

•  Exclusive of the effect of the new FASB guidance, amortization of deferred policy acquisition costs was $0.3 

million lower in 2012 than in 2011. While amortization was lower in 2012 consistent with the decline in net 
premiums earned, amortization in 2011 was reduced by approximately $1.5 million related to the acquisition of APS 
in November 2010. Due to the application of GAAP purchase accounting rules, no asset for deferred policy 
acquisition costs was recognized as a part of the purchase price allocation of APS; consequently, amortization of 
deferred policy acquisition costs in 2011 was reduced.

•  On a sporadic basis our expenses are reduced by recoveries related to the settlement of litigation. Recoveries in 
2012 were approximately $0.5 million lower (and thus expenses on a net basis were higher) than in 2011.

•  Costs associated with the operations acquired from APS, primarily compensation costs, were approximately $3.7 

million lower in 2012 as compared to 2011.

•  Higher stock compensation and bonus costs in 2012 as compared to 2011 as well as additional costs incurred related 
to the enhancement of our customer service capabilities increased our 2012 expenses by approximately $5.0 million. 
We relocated a number of positions in order to create centralized customer service centers. Relocation benefits were 
provided to affected employees as well as termination benefits for employees unable to relocate. Expenses of $1.6 
million related to a deferred compensation agreement with a former senior executive increased our expenses in 
2011; there were no comparable expenses in 2012. 

•  Various other operating costs were collectively lower by approximately $3.2 million in 2012.

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Underwriting Expense Ratio (the Expense Ratio)

Underwriting expense ratio excluding listed factors
Reduction in premiums owed under reinsurance agreements
Commutation

Underwriting expense ratio, as reported

Underwriting Expense Ratio *

Year Ended December 31

2012

2011

Change

25.9%
(1.5%)
—%
24.4%

25.4%

(1.4%)
(0.2%)

23.8%

0.5
(0.1)
0.2
0.6

* Our expense ratio computations exclude agency expenses as discussed below.

The increase in our consolidated underwriting expense ratio for 2012 was primarily attributable to the decline in gross 
premiums earned. Our ratio in both 2012 and 2011 was reduced due to increases in net earned premium resulting from the re-
estimation of ceded premiums for prior accident year coverages; however, the effect in both periods was comparable. A 
commutation recorded in 2011 decreased our 2011 expense ratio; no commutation was recorded in 2012.

Agency Expenses

We maintain limited agency operations that both generate premium revenues for our insurance subsidiaries and earn 
external commission and service fee revenues. Agency operations that are associated with the generation of premium revenues 
by our insurance subsidiaries are included in insurance operation expenses in the above table. Expenses of agency operations 
that are directly associated with external commission and service fee revenues are included in agency expenses in the above 
table. Agency expenses for 2011 included non-recurring expenses associated with the dissolution of certain agency operations.

Interest Expense

Interest expense declined during 2012 as compared to 2011, primarily because we repaid debt during 2012, as discussed 

in Liquidity and Capital Resources and Financial Condition. Interest expense by debt obligation is provided in the following 
table:

(In thousands)

Trust Preferred Securities due 2034

Surplus Notes due May 2034

2019 Note Payable

Credit facility fees and amortization

Other

Taxes

Factors affecting our effective tax rate include the following:

Statutory rate
Tax-exempt income
Tax credits
Other
Effective tax rate

Year Ended December 31

2012

2011

Change

$

635

342

571

630

3

$

970
509

1,157

442
400

$

2,181

$

3,478

$

(335)
(167)
(586)
188
(397)
$ (1,297)

Year Ended December 31

2012

2011

35.0%
(3.4%)
(2.5%)
1.3%
30.4%

35.0%
(3.2%)
(1.4%)
0.4%
30.8%

Our effective tax rate decreased in 2012 as compared to 2011, primarily due to an increase in the expected tax benefit 

from tax credits transferred to us by our tax credit partnership investments. We recognized tax benefits of approximately $10.0 
million during 2012, related to the credits, compared to tax benefits of $5.7 million during 2011.

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Overview of Results–Years Ended December 31, 2011 and 2010

Net income and Operating income (a non-GAAP financial measure, see reconciliation below) are as follows:

(In millions, except per share data)

Net income
Operating income
Net income per diluted share
Operating income per diluted share

Year Ended December 31

2011

2010

$
$
$
$

287.1
278.5
4.65
4.52

$
$
$
$

231.6
219.5
3.60
3.41

Results from the years ended December 31, 2011 and 2010 compare as follows:

Revenues

Net premiums earned increased during 2011 by approximately $46.3 million or 8.9%, including an increase of 

approximately $53.0 million attributable to the business acquired from APS. Our results also reflect the effects of a competitive 
market place and rate reductions that reflect improved loss trends.

Our 2011 net investment result (which includes both net investment income and earnings from unconsolidated 
subsidiaries) decreased by $15.8 million or 10.7%. Net investment income decreased $5.4 million and earnings from 
unconsolidated subsidiaries decreased $10.4 million.

Net realized investment gains decreased $11.3 million in 2011. The decrease is primarily due to lower gains on securities 

sales mitigated by lower impairment losses.

Other income increased by $5.6 million during 2011. The increase is primarily due to a confidential settlement received 

during the third quarter of 2011 related to litigation with a service provider.

Expenses

Current accident year net losses increased by $33.1 million or 7.3% during 2011, including an increase of approximately 

$44.5 million attributable to the business acquired from APS. We reduced net losses by $325.9 million in 2011 and by $234.0 
million in 2010 as a result of our review of our estimate of net losses incurred for prior accident years.

Underwriting, policy acquisition and operating expenses increased in 2011 as compared to 2010 by $1.4 million or 1.1%. 

The acquisition of APS added expenses of $8.0 million in 2011. Exclusive of APS, expenses decreased $6.6 million primarily 
due to lower amortization of deferred policy acquisition costs and a 2010 expense increase from the termination of a captive 
insurance agreement that did not recur in 2011.

Ratios

Our net loss ratio decreased in 2011 by 13.9 percentage points, as we experienced an increase in prior year favorable 
development in 2011 as compared to 2010. Approximately 12.5 percentage points of the decline relates to the increase in prior 
year favorable development.

Our 2011 underwriting expense ratio decreased 1.6 percentage points, reflecting a lower ratio associated with the 
business acquired from APS and an increase in net premiums earned that is related to favorable development of prior year loss 
reserves.

Our operating ratio declined in 2011 by 12.2 percentage points, reflecting improved net loss and expense ratios partially 

offset by lower net investment income.

Return on equity is 14.3% for 2011 and 13.0% for 2010.

Book Value per Share

Our book value per share at December 31, 2011 is $35.42 compared to $30.17 at December 31, 2010. The increase 
primarily reflects the effect of our 2011 income and an increase in accumulated other comprehensive income resulting from an 
increase in the net unrealized gain on our investments. Dividends declared during the period reduced book value per share by 
$0.25. Due to the size of our Shareholders’ Equity (approximately $2.2 billion at December 31, 2011), the growth rate of our 
book value per share may slow. The past growth rates of our book value per share do not necessarily predict similar future 
results.

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Non-GAAP Financial Measures

Operating income is a non-GAAP financial measure that is widely used to evaluate the performance of insurance entities. 
Operating income excludes the after-tax effects of realized investment gains or losses, guaranty fund assessments and, in 2011, 
the effects of certain confidential settlements that do not reflect normal operating results. We believe operating income presents 
a useful view of the performance of our insurance operations, but should be considered in conjunction with net income 
computed in accordance with GAAP.

The following table is a reconciliation of Net income to Operating income:

(In thousands, except per share data)

Net income
Items excluded in the calculation of operating income:

Net realized investment (gains) losses
Guaranty fund assessments (recoupments)
Effect of confidential settlements, net

Pre-tax effect of exclusions
Tax effect, at 35%
Operating income
Per diluted common share:

Net income
Effect of exclusions

Operating income per diluted common share

Year Ended December 31

2011

2010

$

287,096

$

231,598

(5,994)
(66)
(7,143)
(13,203)
4,621
278,514

4.65
(0.13)
4.52

$

$

$

(17,342)
(1,336)
—
(18,678)
6,537
219,457

3.60
(0.19)
3.41

$

$

$

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Results of Operations–Year Ended December 31, 2011 Compared to Year Ended December 31, 2010

Selected consolidated financial data for each period is summarized in the table below.

($ in thousands, except share data)

2011

2010

Change

Year Ended December 31

Revenues:

Net premiums earned
Net investment income
Equity in earnings (loss) of unconsolidated subsidiaries
Net realized investment gains (losses)
Other income

Total revenues

Expenses:

$

$ 565,415
140,956
(9,147)
5,994
13,566
716,784

$ 519,107
146,380
1,245
17,342
7,991
692,065

46,308
(5,424)
(10,392)
(11,348)
5,575
24,719

Losses and loss adjustment expenses
Reinsurance recoveries
Net losses and loss adjustment expenses
Underwriting, policy acquisition and operating expenses

Interest expense

Total expenses

151,270
11,017
162,287
136,421
3,478
302,186

252,615
(31,500)
221,115
134,980
3,293
359,388

(101,345)
42,517
(58,828)
1,441
185
(57,202)

Income before income taxes

414,598

332,677

81,921

Income taxes

Net income

Earnings per share:

Basic
Diluted

Net loss ratio
Underwriting expense ratio
Combined ratio
Operating ratio
Tax ratio
Return on equity

127,502

101,079

26,423

$ 287,096

$ 231,598

$

55,498

$
$

4.70
4.65

$
$

3.64
3.60

$
$

28.7%
23.8%
52.5%
27.6%
30.8%
14.3%

42.6%
25.4%
68.0%
39.8%
30.4%
13.0%

1.06
1.05

(13.9)
(1.6)
(15.5)
(12.2)
0.4
1.3

In all the tables that follow, the abbreviation “nm” indicates that the percentage change is not meaningful.

As required by GAAP, our results include acquired entities only for the portion of the reporting period that is after the 
acquisition date. Our 2011 operating results include twelve months of activity related to our APS acquisition, while our 2010 
operating results include only one month of APS-related activity.

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Premiums Written

Changes in our premium volume are driven by four primary factors: (1) the amount of new business we generate, 
including business that comes to PRA as a result of acquisitions, (2) the timing of premium written for business generated by 
multi-period policies, (3) our retention of existing business, and (4) the premium charged for business that is renewed, which is 
affected both by rates charged and by the amount and type of coverage an insured chooses to purchase. The professional 
liability market remains competitive with some competitors choosing to compete primarily on price.

Gross, ceded and net premiums written for the years ended December 31, 2011 and 2010 (including premiums 

attributable to APS) are as follows:

($ in thousands)
Gross premiums written
Ceded premiums written
Net premiums written

2011
565,895
(7,388)
558,507

$

$

2010
533,205
(27,798)
505,407

$

$

$

$

Change

32,690
20,410
53,100

6.1%
(73.4%)
10.5%

The acquisition of APS contributed gross, ceded and net premiums written during the years ended December 31, 2011 

and 2010 as follows:

($ in thousands)
Gross premiums written
Ceded premiums written
Net premiums written

2011

2010

Change

$

$

54,761
(104)
54,657

$

$

5,047
(54)
4,993

$

$

49,714
(50)
49,664

Gross Premiums Written

Gross written premiums by component (including premiums attributable to APS) for the years ended December 31, 2011 

and 2010 are as follows:

($ in thousands)

2011

2010

Change

Gross premiums written:

Physician
Non-physician healthcare providers
Hospital and facility
Other
Non-continuing
Tail coverage premium, all policy types

Total

$

$

451,181
47,605
28,088
17,731
344
20,946
565,895

$

$

418,173
43,093
28,524
14,349
5,836
23,230
533,205

$

$

33,008
4,512
(436)
3,382
(5,492)
(2,284)
32,690

7.9%
10.5%
(1.5%)
23.6%
(94.1%)
(9.8%)
6.1%

The acquisition of APS contributed gross written premiums during the years ended December 31, 2011 and 2010 as 

follows:

($ in thousands)

2011

2010

Change

Gross premiums written:

Physician
Non-physician healthcare providers
Tail coverage premium, all policy types

Total APS contribution

$

$

51,387
1,892
1,482
54,761

$

$

4,821
20
206
5,047

$

$

46,566
1,872
1,276
49,714

Physician Premiums

Our 2011 results reflect new physician business of $68 million, including $48 million that is attributable to the 

acquisition of APS. New physician business for 2010 approximated $21 million, including $5 million attributable to the 
acquisition of APS.

Two-year term policies also contributed to the increase in gross written premium. Gross written premium associated with 

two-year term policies is $22.3 million for 2011, as compared to $10.9 million for 2010. We offer two-year term policies (as 

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opposed to a one-year term) to our physician insureds in one selected jurisdiction. The premium associated with both years is 
included in written premium in the period the policy is written.

Our retention rate for physician business, including business acquired from APS, is 89% for 2011, as compared to 90% 
for 2010. We calculate our retention rate as retained premium divided by all premium subject to renewal. Retention rates are 
affected by a number of factors. We may lose insureds to competitors or to self-insurance mechanisms (often when physicians 
join hospital-based practice groups) or due to pricing or other issues. We may choose not to renew an insured as a result of our 
underwriting evaluation. Insureds may also terminate coverage because they have left the practice of medicine for various 
reasons, principally for retirement but also due to disability or other personal reasons.

Charged rates for our renewed physician business, including business acquired from APS, averaged 1% lower than the 

expiring premiums during 2011. Our charged rates include the effects of filed rates, surcharges and discounts. Despite 
competitive pressures, we continue to base our rates on expected losses, as indicated by our historical loss data and available 
industry loss data. We are committed to a rate structure that will allow us to fulfill our obligations to our insureds, while 
generating competitive returns for our shareholders.

Non-physician Premiums

Our healthcare providers included in non-physician premiums are primarily dentists, chiropractors, optometrists, and 

allied health professionals. The 2011 increase is primarily related to allied health coverages.

Hospital and facility premiums declined in 2011. The decline reflects the same competitive pressures in this area as we 

are seeing in our physician business.

Non-physician “other” premiums are primarily legal professional liability premiums. The increase in premium volume in 

2011 principally relates to legal professional liability premiums.

Non-continuing premiums consist of premiums derived from certain miscellaneous liability coverages which were 

discontinued in 2010 but that continued to produce small amounts of written premium in 2011.

Tail Coverage Premiums

We offer extended reporting endorsement or “tail” coverage to insureds that are discontinuing their claims-made coverage 

with us. The amount of tail coverage premium written and earned can vary widely from period to period.

Ceded Premiums Written and Ceded Premiums Ratio

Ceded premiums written for the years ended December 31, 2011 and 2010 compare as follows:

($ in thousands)

2011

2010

Change

Primary reinsurance agreements
Ascension Health program
APS acquisition
Commutation, see below
Re-estimation of prior accident year reinsurance
premiums (including APS)

Other premiums ceded
Total ceded premiums written

$

$

$

26,152
5,027
1,112
(5,634)

(30,584)
11,315
7,388

$

$

28,625
—
54
—

(13,442)
12,561
27,798

$

(2,473)
5,027
1,058
(5,634)

(17,142)
(1,246)
(20,410)

(8.6%)
nm
>100%
nm

127.5%
(9.9%)
(73.4%)

We reinsure most of our MPL coverages under a single reinsurance agreement that is typically renewed annually in 

October. There was no significant change in treaty terms between 2011 and 2010, and the 2011 decrease associated with this 
reinsurance is largely due to lower premium volume relative to reinsured coverages.

In 2011 we entered into a new business relationship with Ascension Health (Ascension). Our agreements with Ascension 

provide that a substantial portion of the initial policies written under the program will be heavily reinsured by an Ascension 
affiliate. Gross premiums written associated with these policies in 2011 is approximately $7.5 million.

The increase in ceded premiums written that is attributable to the APS acquisition primarily reflects eleven additional 

months of APS activity in 2011.

During 2011, we commuted (terminated) certain of our reinsurance agreements with Colisee Re (formerly AXA 
Reassurance S.A.) in return for approximately $4.3 million in cash. The commutation reduced Ceded Premium, on both a 
written and an earned basis, by $5.6 million and reduced Reinsurance Recoveries by approximately $4.0 million.

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Premiums ceded in both 2011 and 2010 were reduced due to the re-estimation of reinsurance premiums incurred for prior 
accident years. The amount of reinsurance premiums incurred for prior accident years is largely determined based on the losses 
expected to be recovered under our reinsurance agreements, subject to certain minimums and maximums specific to the 
reinsurance agreement being adjusted. In both 2011 and 2010, we reduced our estimates of prior accident year gross losses 
within our reinsured layers of coverage, as well as the related reinsurance recoveries and premiums ceded. The reductions were 
more pronounced in 2011. Approximately $1.0 million of the 2011 reduction is attributable to APS pre-acquisition reinsurance 
contracts.

The variations in ceded premiums written discussed above affect our ceded premiums ratio (ceded premiums written as a 

percentage of gross premiums written) as follows:

Ceded premiums ratio, excluding other listed factors

Ascension Health program
APS Acquisition
Commutation
Re-estimation of prior accident year reinsurance premiums
(including APS)

Ceded premiums ratio, as reported

2011

2010

Change

7.4%
1.0%
0.1%
(1.1%)

(6.1%)
1.3%

7.7%
—%
—%
—%

(2.5%)
5.2%

(0.3)
1.0
0.1
(1.1)

(3.6)
(3.9)

The ceded premiums written ratio associated with the business acquired from APS is lower than the ratio for our other 
business. In recent years, largely due to the advantageous legal climate within the state of Texas, only a small percentage of 
APS paid losses have met reinsurance coverage limits; consequently, APS was able to obtain reinsurance coverage for 2011 and 
2010 at favorable rates. The APS reinsurance agreements base the amounts due to reinsurers, in part, on expected losses.

Net Premiums Earned

Net premiums earned consist of premiums earned less the portion of earned premiums that we cede to our reinsurers for 

their assumption of a portion of our losses. Because premiums are generally earned pro rata over the entire policy period, 
fluctuations in premiums earned tend to lag those of premiums written. Generally, our policies carry a term of one year, but as 
discussed above, we renew certain policies with a two-year term. Tail coverage premiums are generally 100% earned in the 
period written because the policies insure only incidents that occurred in prior periods and are not cancellable. Additionally, 
ceded premium changes due to commutations or re-estimation of reinsurance premiums incurred for prior accident years are 
fully earned in the period of change.

Net premiums earned (including premiums attributable to APS) for the years ended December 31, 2011 and 2010 are as 

follows:

($ in thousands)

2011

2010

Change

Premiums earned
Premiums ceded
Net premiums earned

$

$

571,045
5,630
565,415

$

$

548,955
29,848
519,107

$

$

22,090
(24,218)
46,308

4.0%
(81.1%)
8.9%

Net earned premiums attributable to APS for the years ended December 31, 2011 and 2010 are as follows:

($ in thousands)

2011

2010

Change

Premiums earned
Premiums ceded
Net premiums earned

$

$

58,282
104
58,178

$

$

5,122
(54)
5,176

$

$

53,160
158
53,002

Of the premiums attributable to the APS acquisition earned during 2011, approximately $20.7 million is attributable to 

premiums written prior to acquisition.

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Net Investment Income, Equity in Earnings (Loss) of Unconsolidated Subsidiaries, Net Realized Investment Gains 
(Losses)

Net Investment Income

Net investment income is primarily derived from the income earned by our fixed maturity securities and also includes 

income from our short-term and cash equivalent investments, dividend income from equity securities, earnings from other 
investments and increases in the cash surrender value of business owned life insurance contracts. Investment fees and expenses 
are deducted from investment income.

Net investment income by investment category is as follows:

(In thousands)

Fixed maturities
Equities
Short-term investments
Other invested assets
Business owned life insurance
Investment expenses
Net investment income

Year Ended December 31

2011
140,897
1,808
100
2,712
2,017
(6,578)
140,956

$

$

2010
146,036
797
417
3,145
1,617
(5,632)
146,380

$

$

$

$

Change

(5,139)
1,011
(317)
(433)
400
(946)
(5,424)

(4%)
127%
(76%)
(14%)
25%
17%
(4%)

Fixed Maturities

The decrease in income during 2011 primarily reflects lower yields on our portfolio partially offset by higher average 

investment balances. During the first six months of 2011, our Treasury Inflation-Protected Securities (TIPS) portfolio 
outperformed our other fixed maturities, and our 2011 results include higher earnings from our TIPS of approximately $1.5 
million. Our TIPS portfolio may not continue to outperform in 2012.

The overall yield on our portfolio declined in 2011 as we were not able to reinvest proceeds from maturities, pay-downs 

and sales at rates comparable to expiring rates while maintaining our asset quality and the duration of our portfolio. 
Additionally, the yields on fixed maturity securities acquired in the APS transaction, after adjustment as required by GAAP 
purchase accounting rules, approximated market yields on the acquisition date of November 30, 2010 and lowered our average 
consolidated tax equivalent yield by approximately 9 basis points. Average yields for our available-for-sale fixed maturity 
securities during 2011 and 2010 are as follows:

Average income yield
Average tax equivalent income yield

Year Ended December 31

2011

2010

4.0%
4.6%

4.3%
5.0%

The level of our investment in fixed maturity securities varies depending upon a number of factors, including, among 
others, our operating cash needs, anticipated shifts in credit markets, the attractiveness of other investment alternatives, and 
cash needed for acquisitions or other capital purposes. In 2011, as compared to 2010, our average investment in fixed maturities 
increased by approximately 4%.

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Equity in Earnings (Loss) of Unconsolidated Subsidiaries

Equity in earnings (loss) of unconsolidated subsidiaries is derived from our investment interests accounted for under the 

equity method, as follows:

Investment LPs:

Currently held
Liquidated in 2010

(In thousands)

2011

2010

Change

Year Ended December 31

Business LLC interest
Tax credit partnerships
Equity in earnings (loss) of unconsolidated subsidiaries

$

$

(1,077) $
—
(2,479)
(5,591)
(9,147) $

1,539
3,097
(1,494)
(1,897)
1,245

$

$

(2,616)
(3,097)
(985)
(3,694)
(10,392)

We hold interests in certain LPs that derive earnings from trading portfolios. The performance of the LPs is affected by 

the volatility of equity and credit markets. One LP, shown separately in the table, was liquidated in July 2010.

Our business LLC interest is a non-controlling interest in an entity that began active business in 2011. While we expect 
this investment to provide a positive return over time, operating losses are expected to continue into 2012 due to the start up 
nature of this entity. The carrying amount of our investment is currently $0.7 million.

We began investing in tax credit limited partnerships in 2010. Our tax credit investments are designed to generate 
investment returns by providing tax benefits to fund investors in the form of project operating losses and tax credits. Our tax 
credit partnerships reduced our tax expenses by approximately $5.7 million during 2011, while we recognized $5.6 million of 
pre-tax amortization ($3.6 million after tax) on these investments noted in the table above.

Non-GAAP Financial Measure – Tax Equivalent Investment Result

We believe that to fully understand our investment returns it is important to consider the current tax benefits associated 

with certain investments; therefore, we impute a pro forma tax-equivalent investment result by adjusting the current tax benefit 
into the amount of investment income a taxable investment would need to produce to fairly compare to an investment with 
preferential tax treatment. We believe this better reflects the economies of our decision to invest in certain asset classes that are 
either taxed at lower rates and/or result in reductions to our current federal income tax expense.

Net investment income, as reported for GAAP

(In thousands)

Year ended December 31

2011

2010

$

140,956

$

146,380

Taxable equivalent adjustments, calculated using the 35% federal statutory tax rate

State and municipal bonds
BOLI
Dividends received deduction
Pro forma tax-equivalent net investment income
Equity in earnings (loss) of unconsolidated subsidiaries, as reported for GAAP

Taxable equivalent adjustment, calculated using the 35% federal statutory tax rate

Tax credit partnerships

Pro forma tax-equivalent equity in earnings (loss) of unconsolidated subsidiaries
Pro forma tax-equivalent investment results

$

19,949
1,086
579
162,570
(9,147)

8,698
(449)
162,121

$

21,987
871
255
169,493
1,245

1,538
2,783
172,276

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Net Realized Investment Gains (Losses)

The following table provides detailed information regarding our net realized investment gains (losses).

(In thousands)
Total other-than-temporary impairment losses:
Residential mortgage-backed securities
Corporate debt
Other investments
High yield asset-backed securities

Portion recognized in (reclassified from) Other Comprehensive Income:

Residential mortgage-backed securities

Net impairment losses recognized in earnings
Net gains (losses) from sales
Net realized gains (losses), trading securities
Change in unrealized holding gains (losses), trading securities
Decrease (increase) in the fair value of liabilities carried at fair value
Net realized investment gains (losses)

Year Ended December 31

2011

2010

(782) $
(505)
(3,827)
(75)

(823)
(6,012)
12,871
2,212
(3,188)
111
5,994

$

(1,487)
—
(3,373)
(9,515)

(1,474)
(15,849)
30,005
6,630
(1,542)
(1,902)
17,342

$

$

We recognized impairments of $3.8 million in 2011 and $3.4 million in 2010 related to an interest in an LLC which we 

account for using the cost method. The LLC has notified us of its intention to convert to a public fund, and we have reduced the 
carrying value of our interest in the LLC to reflect the most recently reported fund NAV.

We recognized credit-related impairments in earnings of $1.6 million in 2011, related to residential mortgage-backed 
securities. Expected future cash flows were less than our carrying value for these securities; therefore, we reduced the carrying 
value of our interest in these securities and recognized the loss in our 2011 net income.

Trading portfolio losses during 2011 reflect the overall decline in stock market yields, further impacted by higher average 

balances in our portfolio in 2011 as compared to 2010.

Fair value adjustments are attributable to our election of fair value treatment for both the 2019 Note Payable and the 

related interest rate swap, as discussed in Notes 3 and 10 of the Notes to Consolidated Financial Statements.

Other Income

Other Income is comprised primarily of commission and fee income from our agency operations, other fee revenues, 

rental income and other miscellaneous revenues. The revenue is not a principal source of income and often varies among 
periods. During 2011, we recognized other income of $4.9 million related to a confidential settlement of litigation with a 
service provider. The remaining increase is primarily attributable to a gain of approximately $0.8 million recognized on the sale 
of a building in 2011.

Losses and Loss Adjustment Expenses

The determination of calendar year losses involves the actuarial evaluation of incurred losses for the current accident year 

and the actuarial re-evaluation of incurred losses for prior accident years, including an evaluation of the reserve amounts 
required for losses in excess of policy limits.

Accident year refers to the accounting period in which the insured event becomes a liability of the insurer. For claims-

made policies, which represent over 90% of the Company’s business, the insured event generally becomes a liability when the 
event is first reported to the insurer. For occurrence policies, the insured event becomes a liability when the event takes place. 
We believe that measuring losses on an accident year basis is the best measure of the underlying profitability of the premiums 
earned in that period since it associates policy premiums earned with the estimate of the losses incurred related to those policy 
premiums.

The following table summarizes calendar year net losses and net loss ratios for the years ended December 31, 2011 and 

2010 by separating losses between the current accident year and all prior accident years.

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($ in millions)

2011

2010

Change

2011

2010

Change

Net Losses

Year Ended December 31

Net Loss Ratios*

Year Ended December 31

Current accident year:
PRA all other
APS Acquisition
Consolidated
Prior accident years:
PRA all other
APS Acquisition
Consolidated

Calendar year:

PRA all other
APS Acquisition
Consolidated

$

$

$

$

440.8
47.4
488.2

452.2
2.9
455.1

(307.3) $
(18.6)
(325.9)

(234.0)
—
(234.0)

$

133.5
28.8
162.3

218.2
2.9
221.1

(11.4)
44.5
33.1

(73.3)
(18.6)
(91.9)

(84.7)
25.9
(58.8)

86.9%
81.6%
86.3%

(60.6%)
(32.0%)
(57.6%)

26.3%
49.6%
28.7%

88.0%
56.5%
87.7%

(45.5%)
—%
(45.1%)

42.5%
56.5%
42.6%

(1.1)
25.1
(1.4)

(15.1)
(32.0)
(12.5)

(16.2)
(6.9)
(13.9)

*

Net losses as specified divided by net premiums earned

As compared to 2010, our 2011 current accident year net loss ratio reflects a decrease attributable to higher earned 

premiums resulting from the re-estimation of amounts due to reinsurers (discussed further under the header Premiums), the 
effect of which was partially offset by a ratio increase attributable to coverages provided to qualified insureds for death, 
disability and retirement (DDR).

We recognized favorable development related to prior accident years of $325.9 million for the year ended December 31, 
2011 and $234.0 million for the year ended December 31, 2010. Detailed information regarding the development recognized is 
included in the Critical Accounting Estimates section of Item 7, under the caption “Reserve for Losses and Loss Adjustment 
Expenses”. Information provided includes the amount of development recognized by accident year and the factors considered 
and judgments made to determine the amount of development recognized.

Assumptions used in establishing our reserve are regularly reviewed and updated by management as new data becomes 

available. Any adjustments necessary are reflected in the current operations. Due to the size of our reserve, even a small 
percentage adjustment to the assumptions can have a material effect on our results of operations for the period in which the 
change is made, as was the case in both 2011 and 2010.

Recoveries

We recognized favorable prior accident year loss development of approximately $39.9 million in 2011 and $1.1 million in 

2010 related to our reinsured coverage layers (generally, losses exceeding $1 million) and recognized offsetting reductions to 
loss recoveries of $39.9 million in 2011 and $1.1 million in 2010. Because the reduction exceeds all other recoveries for the 
period, recoveries increase rather than decrease net losses for the year ended December 31, 2011.

We similarly reduced our estimates of the premium due to reinsurers by $30.6 million and $13.4 million in 2011 and 

2010, respectively, because the premium due to reinsurers is based in part on amounts recovered.

Underwriting, Policy Acquisition and Operating Expenses

The table below provides a comparison of 2011 and 2010 underwriting, policy acquisition and operating expenses:

($ in thousands)

2011

2010

Change

Underwriting, Policy Acquisition and Operating Expenses

Insurance operation expenses:

PRA all other
APS Acquisition

Total insurance operation expenses

Agency expenses

$

$

124,604
9,738
134,342
2,079
136,421

$

$

130,281
1,721
132,002
2,978
134,980

$

$

(5,677)
8,017
2,340
(899)
1,441

(4.4%)
>100
1.8%
(30.2%)
1.1%

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Insurance Operation Expenses

Exclusive of the effect of the APS acquisition, insurance operation expenses decreased by $5.7 million primarily due to 

the following:

•  Amortization of deferred policy acquisition costs decreased by $2.4 million in 2011 primarily due to lower premium 

volume.

•  Various other expense items reduced operating expense by approximately $2.0 million. Lower professional fees, 

principally due to transaction costs incurred in 2010 but not in 2011, and an increase in the amount of administrative 
costs allocated to loss adjustment expense contributed to the decrease.

•  Termination of a captive insurance agreement, managed by ProAssurance, increased 2010 underwriting expense by 

$2.6 million. There was no similar transaction in 2011.

•  Lower guaranty fund recoupments in 2011 increased expenses by $1.3 million.

Expenses associated with APS include salary and benefit expenses of approximately $1.2 million in 2011 that are related 

to workforce reductions. APS policy acquisition expenses are approximately $1.5 million lower in 2011 than would be 
considered normal due to the application of GAAP purchase accounting rules whereby the assets for deferred policy acquisition 
costs were not recognized as a part of the purchase price allocation of APS. Our 2011 expense also includes a $2.2 million 
reduction that resulted from a settlement of litigation that is unrelated to our normal insurance activities.

Underwriting Expense Ratio

The decrease in our consolidated underwriting expense ratio for 2011 is attributable to the effect of the acquisition of APS 

and a $16.3 million increase in net earned premium resulting from the re-estimation of ceded premiums for prior accident year 
coverages as shown in the following table:

Underwriting expense ratio excluding listed factors
Net earned premiums-prior years
APS acquisition
Underwriting expense ratio, as reported

Underwriting Expense Ratio *
Year Ended December 31

2011

2010

Change

26.1%
(1.5%)
(0.8%)
23.8%

26.0%
(0.7%)
0.1%
25.4%

0.1
(0.8)
(0.9)
(1.6)

*

Our expense ratio computations exclude agency-related expenses as discussed below.

Agency expenses

We have historically operated several non-insurance subsidiaries, principally insurance agencies that have generated 

commission and service fee revenues. Expenses of our agency operations that are associated with the generation of premium 
revenues by our insurance subsidiaries are included in insurance operation expenses in the above table. Expenses of our agency 
operations that are directly associated with external commission and service fee revenues are included in agency expenses in 
the above table. In 2011, we discontinued most external agency operations. The decline in agency expenses of $0.9 million 
reflects the discontinuation of these operations partially offset by costs incurred related to workforce reductions.

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Interest Expense

The increase in interest expense during 2011 reflects commitment fees and amortization of the initial loan costs related to 
the credit agreement entered into during the second quarter of 2011. The credit agreement is discussed in Note 10 of the Notes 
to Consolidated Financial Statements.

Interest expense by debt obligation is provided in the following table:

(In thousands)

2011

2010

Change

Year Ended December 31

Trust Preferred Securities due 2034
Surplus Notes due May 2034
Note Payable due February 2019
Revolving credit agreement
Other

$

$

970
509
1,157
442
400
3,478

$

$

978
508
1,178
—
629
3,293

$

$

(8)
1
(21)
442
(229)
185

Taxes

Our effective tax rate for each period is lower than the 35% statutory rate because a considerable portion of our net 

investment income is tax-exempt. Other factors affecting our effective tax rate include the following:

Statutory rate
Tax-exempt income
Tax credits (1)
Valuation Allowance (2)
BOLI Redemption (3)
Other
Effective tax rate

Year Ended December 31

2011
35.0%
(3.2%)
(1.4%)
—%
—%
0.4%
30.8%

2010

35.0%
(4.6%)
(0.3%)
(0.3%)
0.4%
0.2%
30.4%

(1)  We continue to invest in tax credit partnerships (see Equity in Earnings (Loss) of Unconsolidated Subsidiaries). In 2011 
we have recognized an expected tax benefit of approximately $5.7 million related to the credits to be transferred to us 
by the partnerships.

(2)  During 2010 we reversed a valuation allowance previously established against deferred tax assets that were capital in 

character. We determined that it was more likely than not that sufficient sources of taxable capital income would be 
available in future periods to allow us to fully utilize the deferred tax assets.

(3)  A partial redemption of our BOLI increased tax expense in 2010 by approximately $1.3 million; there were no BOLI 

redemptions during 2011.

Although our effective tax rate is consistent between 2011 and 2010, current tax expense increased by approximately 

$23.1 million in 2011. In 2011 we recorded a current liability of $19.5 million (including interest of $0.9 million) for 
unrecognized tax benefits.

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ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

We believe that we are principally exposed to three types of market risk related to our investment operations. These risks 

are interest rate risk, credit risk and equity price risk.

Interest Rate Risk

Our fixed maturities portfolio is exposed to interest rate risk. Fluctuations in interest rates have a direct impact on the 

market valuation of these securities. As interest rates rise, market values of fixed income portfolios fall and vice versa. Certain 
of the securities are held in an unrealized loss position; we do not intend to sell and believe we will not be required to sell any 
of the debt securities held in an unrealized loss position before its anticipated recovery.

The following table summarizes estimated changes in the fair value of our available-for-sale fixed maturity securities for 

specific hypothetical changes in interest rates by asset class at December 31, 2012 and December 31, 2011. There are 
principally two factors that determine interest rates on a given security: market interest rates and credit spreads. As different 
asset classes can be affected in different ways by movements in those two factors, we have broken out our portfolio by asset 
class in the following table.

Fair Value (in millions):

U.S. Treasury obligations
U.S. Government-sponsored enterprise
obligations
State and municipal bonds
Corporate debt
Asset-backed securities

All fixed maturity securities

$

Duration:

U.S. Treasury obligations
U.S. Government-sponsored enterprise
obligations
State and municipal bonds
Corporate debt
Asset-backed securities

All fixed maturity securities

Fair Value (in millions):

U.S. Treasury obligations

U.S. Government-sponsored enterprise
obligations
State and municipal bonds

Corporate debt

Asset-backed securities

(200)

Interest Rate Shift in Basis Points
December 31, 2012
Current

100

(100)

200

$

210

$

209

$

206

$

202

$

197

58
1,269
1,533
498
3,568

$

58
1,258
1,521
499
3,545

$

57
1,220
1,471
494
3,448

$

55
1,170
1,409
481
3,317

$

2.92

2.89
3.78
4.26
1.81
3.65

2.89

2.90
3.91
4.27
1.82
3.70

2.84

2.98
4.06
4.27
2.35
3.81

2.77

3.08
4.17
4.22
3.06
3.93

December 31, 2011

53
1,122
1,350
466
3,188

2.70

3.08
4.26
4.15
3.66
4.01

$

303

$

301

$

284

$

277

$

270

70

1,301

1,429

735

70

1,279

1,413

733

68

1,228

1,368

718

65

1,172

1,314

695

All fixed maturity securities

$

3,838

$

3,796

$

3,666

$

3,523

$

Duration:

U.S. Treasury obligations

U.S. Government-sponsored enterprise
obligations
State and municipal bonds

Corporate debt

Asset-backed securities

All fixed maturity securities

3.42

3.25

4.22

4.07
1.01
3.47

71

3.39

3.26

4.44

4.05
1.54
3.63

3.33

3.43

4.58

4.00
2.87
3.91

4.00

3.62

4.69

3.91
3.48
4.09

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63

1,117

1,263

669

3,382

3.95

3.69

4.76

3.83
3.83
4.14

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Computations of prospective effects of hypothetical interest rate changes are based on numerous assumptions, including 
the maintenance of the existing level and composition of fixed income security assets, and should not be relied on as indicative 
of future results.

Certain shortcomings are inherent in the method of analysis presented in the computation of the fair value of fixed rate 
instruments. Actual values may differ from the projections presented should market conditions vary from assumptions used in 
the calculation of the fair value of individual securities, including non-parallel shifts in the term structure of interest rates and 
changing individual issuer credit spreads.

ProAssurance’s cash and short-term investment portfolio at December 31, 2012 was on a cost basis which approximates 

its fair value. This portfolio lacks significant interest rate sensitivity due to its short duration.

Credit Risk

We have exposure to credit risk primarily as a holder of fixed income securities. We control this exposure by emphasizing 

investment grade credit quality in the fixed income securities we purchase.

As of December 31, 2012, 93% of our fixed maturity securities were rated investment grade as determined by Nationally 
Recognized Statistical Rating Organizations (NRSROs), such as A.M. Best, Fitch, Moody’s and Standard & Poor’s. We believe 
that this concentration in investment grade securities reduces our exposure to credit risk on our fixed income investments to an 
acceptable level. However, investment grade securities, in spite of their rating, can rapidly deteriorate and result in significant 
losses. Ratings published by the NRSROs are one of the tools used to evaluate the credit worthiness of our securities. The 
ratings reflect the subjective opinion of the rating agencies as to the credit worthiness of the securities, and therefore, we may 
be subject to additional credit exposure should the rating prove to be unreliable.

We held $1.2 billion of municipal bonds at December 31, 2012. We require the bonds that we purchase to meet our credit 

criteria on a stand-alone basis. As of December 31, 2012, on a stand-alone basis, our municipal bonds had a weighted average 
rating of AA.

We also have exposure to credit risk related to our receivables from reinsurers. Our receivables from reinsurers (with 
regard to both paid and unpaid losses) approximated $196 million at December 31, 2012 and $252 million at December 31, 
2011. We monitor the credit risk associated with our reinsurers using publicly available financial and rating agency data.

Equity Price Risk

At December 31, 2012 the fair value of our investment in common stocks was $203 million. These securities are subject 

to equity price risk, which is defined as the potential for loss in fair value due to a decline in equity prices. The weighted 
average beta of this group of securities was 0.96. Beta measures the price sensitivity of an equity security or group of equity 
securities to a change in the broader equity market, in this case the S&P 500 Index. If the value of the S&P 500 Index increased 
by 10%, the fair value of these securities would be expected to increase by 9.6% to $222 million. Conversely, a 10% decrease 
in the S&P 500 Index would imply a decrease of 9.6% in the fair value of these securities to $183 million. The selected 
hypothetical changes of plus or minus 10% do not reflect what could be considered the best or worst case scenarios and are 
used for illustrative purposes only.

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ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.

Index to Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

Consolidated Balance Sheets - December 31, 2012 and December 31, 2011

Consolidated Statements of Changes in Capital - Years Ended December 31, 2012, 2011 and 2010

Consolidated Statements of Income and Comprehensive Income - Years Ended December 31, 2012, 2011 
and 2010

Consolidated Statements of Cash Flows - Years Ended December 31, 2012, 2011 and 2010

Notes to Consolidated Financial Statements

78

79

80

81

82

84

The Supplementary Financial Information required by Item 302 of Regulation S-K is included in Note 17 of the Notes to 

Consolidated Financial Statements of ProAssurance and its subsidiaries.

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL 
DISCLOSURE.

Not Applicable.

ITEM 9A. CONTROLS AND PROCEDURES.

Disclosure Controls

Under the supervision and with the participation of management, including the Chief Executive Officer and Chief 

Financial Officer, the Company has evaluated the effectiveness of the design and operation of our disclosure controls and 
procedures as of the end of the fiscal year ended December 31, 2012. Based on that evaluation, the Chief Executive Officer and 
Chief Financial Officer have concluded that these controls and procedures are effective.

Disclosure controls and procedures are defined in Exchange Act Rule 13a-15(e) and include the Company’s controls and 

other procedures that are designed to ensure that information, required to be disclosed by the Company in the reports that it 
files or submits under the Exchange Act, is accumulated and communicated to management, including the Chief Executive 
Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

Management’s Report on Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as 
such term is defined in Exchange Act Rules 13a-15(f) and 15d-15(f). Under the supervision and with the participation of our 
management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the 
effectiveness of our internal control over financial reporting as of December 31, 2012 based on the framework in Internal 
Control–Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). 
Based on that evaluation, our management concluded that our internal control over financial reporting was effective as of 
December 31, 2012 and that there was no change in the Company’s internal controls during the fiscal year then ended that has 
materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

Ernst & Young LLP, an independent registered public accounting firm, has audited the effectiveness of our internal 

controls over financial reporting as of December 31, 2012 as stated in their report which is included elsewhere herein.

ITEM 9B. OTHER INFORMATION

None.

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Report of Independent Registered Public Accounting Firm

The Board of Directors and Shareholders of ProAssurance Corporation

We have audited ProAssurance Corporation and subsidiaries' internal control over financial reporting as of December 
31,  2012,  based  on  criteria  established  in  Internal  Control-Integrated  Framework  issued  by  the  Committee  of  Sponsoring 
Organizations of the Treadway Commission (the COSO criteria). ProAssurance Corporation and subsidiaries' 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 Management'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 conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United 
States). 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 included obtaining an understanding of internal 
control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating 
effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in 
the circumstances. We believe that our audit provides a reasonable basis for our opinion. 

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.

Management's assessment of and conclusion on the effectiveness of internal control over financial reporting did not 
include the internal controls of Independent Nevada Doctors Insurance Company, which is included in the 2012 consolidated 
financial  statements  of  ProAssurance  Corporation  and  subsidiaries  and  constituted  1.4%  and  1.3%  of  total  and  net  assets, 
respectively, as of December 31, 2012. Our audit of internal control over financial reporting of ProAssurance Corporation and 
subsidiaries also did not include an evaluation of the internal control over financial reporting of Independent Nevada Doctors 
Insurance Company.

In our opinion, ProAssurance Corporation and subsidiaries maintained, in all material respects, effective internal control 

over financial reporting as of December 31, 2012, based on the COSO criteria.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United 
States), the consolidated balance sheets as of December 31, 2012 and 2011, and the related consolidated statements of changes in 
capital, income and comprehensive income and cash flows for each of the three years in the period ended December 31, 2012, of 
ProAssurance Corporation and subsidiaries and our report dated February 19, 2013 expressed an unqualified opinion thereon.

/s/ Ernst & Young, LLP

Birmingham, Alabama
February 19, 2013 

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PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE OF THE REGISTRANT.

The information required by this Item regarding executive officers is included in Part I of the Form 10K in accordance 

with Instruction 3 of the Instructions to Paragraph (b) of Item 401 of Regulation S-K.

The information required by this Item regarding directors is incorporated by reference pursuant to General Instruction G 

(3) of Form 10K from ProAssurance’s definitive proxy statement for the 2013 Annual Meeting of its Stockholders to be filed 
with the Securities and Exchange Commission pursuant to Regulation 14A on or about April 15, 2013.

ITEM 11. EXECUTIVE COMPENSATION.

The information required by this Item is incorporated by reference pursuant to General Instruction G (3) of Form 10K 

from ProAssurance’s definitive proxy statement for the 2013 Annual Meeting of its Stockholders to be filed with the Securities 
and Exchange Commission pursuant to Regulation 14A on or about April 15, 2013.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED 
STOCKHOLDER MATTERS.

The information required by this Item is incorporated by reference pursuant to General Instruction G (3) of Form 10K 

from ProAssurance’s definitive proxy statement for the 2013 Annual Meeting of its Stockholders to be filed with the Securities 
and Exchange Commission pursuant to Regulation 14A on or about April 15, 2013.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE.

The information required by this Item is incorporated by reference pursuant to General Instruction G (3) of Form 10K 

from ProAssurance’s definitive proxy statement for the 2013 Annual Meeting of its Stockholders to be filed with the Securities 
and Exchange Commission pursuant to Regulation 14A on or about April 15, 2013.

ITEM 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES.

The information required by this Item is incorporated by reference pursuant to General Instruction G (3) of Form 10K 

from ProAssurance’s definitive proxy statement for the 2013 Annual Meeting of its Stockholders to be filed with the Securities 
and Exchange Commission pursuant to Regulation 14A on or about April 15, 2013.

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ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.

(a)  Financial Statements. The following consolidated financial statements of ProAssurance Corporation and subsidiaries 

PART IV

are included herein in accordance with Item 8 of Part II of this report.

Report of Registered Public Accounting Firm

Consolidated Balance Sheets – December 31, 2012 and 2011

Consolidated Statements of Changes in Capital – years ended December 31, 2012, 2011 and 2010 

Consolidated Statements of Income and Comprehensive Income – years ended December 31, 2012, 2011 and 2010 

Consolidated Statements of Cash Flows – years ended December 31, 2012, 2011 and 2010

Notes to Consolidated Financial Statements

Financial Statement Schedules. The following consolidated financial statement schedules of ProAssurance Corporation 
and subsidiaries are included herein in accordance with Item 14(d):

Schedule I – Summary of Investments – Other than Investments in Related Parties

Schedule II – Condensed Financial Information of ProAssurance Corporation (Registrant Only)

Schedule III – Supplementary Insurance Information

Schedule IV – Reinsurance

All other schedules to the consolidated financial statements required by Article 7 of Regulation S-X are not 
required under the related instructions or are inapplicable and therefore have been omitted.

(b)  The exhibits required to be filed by Item 15(b) are listed herein in the Exhibit Index.

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SIGNATURES

Pursuant to the requirements of Section 13 of 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, on this the 19th day of February 2013.

PROASSURANCE CORPORATION

By:

/S/    W. STANCIL STARNES        

W. Stancil Starnes

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.

Name

Title

Date

/S/    W. STANCIL STARNES, J.D.        

W. Stancil Starnes, J.D.

   Chairman of the Board, Chief Executive Officer
(Principal Executive Officer) and President

February 19, 2013

/S/    EDWARD L. RAND, JR.        

Chief Financial and Accounting Officer

February 19, 2013

Edward L. Rand, Jr.

/S/    VICTOR T. ADAMO, J.D.        

Vice-Chairman of the Board

February 19, 2013

Victor T. Adamo, J.D.

/S/    LUCIAN F. BLOODWORTH        

Lucian F. Bloodworth

/S/    M. JAMES GORRIE        

M. James Gorrie

/S/    ROBERT E. FLOWERS, M.D.        

Robert E. Flowers, M.D.

/S/    WILLIAM J. LISTWAN, M.D.        

William J. Listwan, M.D.

/S/    JOHN J. MCMAHON        

John J. McMahon

/S/    DRAYTON NABERS, JR., J.D.        

Drayton Nabers, Jr., J.D.

/S/    ANN F. PUTALLAZ, PH.D.        

Ann F. Putallaz, Ph.D.

/S/    FRANK A. SPINOSA, D.P.M.        

Frank A. Spinosa, D.P.M.

Director

Director

Director

Director

Director

Director

Director

Director

February 19, 2013

February 19, 2013

February 19, 2013

February 19, 2013

February 19, 2013

February 19, 2013

February 19, 2013

February 19, 2013

/S/    ANTHONY R. TERSIGNI, ED.D., FACHE        

Director

February 19, 2013

Anthony R. Tersigni, Ed.D., FACHE

/S/    THOMAS A. S. WILSON, JR., M.D.          

Director

February 19, 2013

Thomas A. S. Wilson, Jr., M.D.

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Report of Independent Registered Public Accounting Firm

To the Board of Directors and Stockholders of ProAssurance Corporation

We have audited the accompanying consolidated balance sheets of ProAssurance Corporation and subsidiaries as of 

December 31, 2012 and 2011, and the related consolidated statements of changes in capital, income and comprehensive income 
and cash flows for each of the three years in the period ended December 31, 2012. Our audits also included the financial 
statement schedules listed in the Index at Item 15(a). These financial statements and schedules are the responsibility of the 
Company's management. Our responsibility is to express an opinion on these financial statements and schedules based on our 
audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board 

(United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the 
financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the 
amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and 
significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that 
our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated 

financial position of ProAssurance Corporation and subsidiaries at December 31, 2012 and 2011, and the consolidated results 
of their operations and their cash flows for each of the three years in the period ended December 31, 2012, in conformity with 
U.S. generally accepted accounting principles. Also, in our opinion, the related financial statement schedules, when considered 
in related to the basic financial statements taken as a whole, present fairly in all material respects the information set forth 
therein.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United 

States), ProAssurance Corporation's internal control over financial reporting as of December 31, 2012, based on criteria 
established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway 
Commission and our report dated February 19, 2013 expressed an unqualified opinion thereon.

/s/ Ernst & Young, LLP

Birmingham, Alabama
February 19, 2013

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ProAssurance Corporation and Subsidiaries
Consolidated Balance Sheets
(In thousands, except share data)

Assets
Investments

Fixed maturities, available for sale, at fair value; amortized cost, $3,224,332 and
$3,465,720, respectively
Equity securities, available for sale, at fair value; cost, $6 at December 31, 2011
Equity securities, trading, at fair value; cost, $187,891 and $101,078, respectively
Short-term investments
Business owned life insurance
Investment in unconsolidated subsidiaries
Other investments

Total Investments
Cash and cash equivalents
Premiums receivable
Receivable from reinsurers on paid losses and loss adjustment expenses
Receivable from reinsurers on unpaid losses and loss adjustment expenses
Prepaid reinsurance premiums
Deferred policy acquisition costs
Deferred tax asset
Real estate, net
Intangible assets
Goodwill
Other assets

Total Assets

Liabilities and Shareholders’ Equity
Liabilities
Policy liabilities and accruals

Reserve for losses and loss adjustment expenses
Unearned premiums
Reinsurance premiums payable
Total Policy Liabilities

Deferred tax liability
Other liabilities
Long-term debt, $125,000 and $35,507 at amortized cost, respectively; and $14,180 at fair
value at December 31, 2011

Total Liabilities

Shareholders’ Equity
Common shares, par value $0.01 per share, 100,000,000 shares authorized, 61,867,034 and
69,102,988 shares issued, respectively
Additional paid-in capital
Accumulated other comprehensive income (loss), net of deferred tax expense (benefit) of
$78,284 and $70,022, respectively
Retained earnings

Treasury shares, at cost, 243,530 shares and 7,995,902 shares, respectively

Total Shareholders’ Equity
Total Liabilities and Shareholders’ Equity

See accompanying notes.

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December 31,
2012

December 31,
2011

$ 3,447,999
—
202,618
71,737
52,414
121,049
31,085
3,926,902
118,551
106,312
4,517
191,645
13,404
23,179
—
41,502
53,225
163,055
234,286
$ 4,876,578

$ 3,665,763
25
103,133
119,421
52,651
111,324
38,224
4,090,541
130,400
120,220
4,175
247,658
12,568
26,626
30,989
40,432
53,703
159,625
81,941
$ 4,998,878

$ 2,054,994
233,861
45,591
2,334,446
14,585
131,967

$ 2,247,772
251,155
82,039
2,580,966
—
203,772

125,000
2,605,998

49,687
2,834,425

619
341,780

346
538,625

145,380
1,782,857
2,270,636
(56)
2,270,580
$ 4,876,578

130,037
1,699,853
2,368,861
(204,408)
2,164,453
$ 4,998,878

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ProAssurance Corporation and Subsidiaries
Consolidated Statements of Changes in Capital
(In thousands)

Balance at January 1, 2010

Common shares reacquired

Common shares issued for compensation
Share-based compensation

Net effect of restricted and performance shares
issued and stock options exercised

Other comprehensive income (loss)
Net income
Balance at December 31, 2010

Common shares reacquired

Common shares issued for compensation and 
effect of shares reissued to stock purchase plan

Share-based compensation

Net effect of restricted and performance shares
issued and stock options exercised

Dividends to shareholders

Other comprehensive income (loss)

Net income

Balance at December 31, 2011
Common shares issued for compensation 
and effect of shares reissued to stock 
purchase plan
Share-based compensation

Net effect of restricted and performance
shares issued and stock options exercised

Dividends to shareholders

Two-for-one stock split effected in the form 
of a stock dividend
Other comprehensive income (loss)

Net income

Common 
Stock

$

342

Additional 
Paid-in 
Capital
$ 526,068

Accumulated
Other
Comprehensive
Income (Loss)
59,254
$

Retained
Earnings
$1,196,428

—

1
—

1

—
—

—

2,958
6,138

(2,951)
—
—

—

—
—

—

19,870
—

—

—
231,598

$

344

$ 532,213

$

79,124

$1,428,026

—

—

—

2

—

—

—

—

2,433

7,119

(3,140)
—

—

—

—

—

—

—

—

50,913

—

—

—

—
(15,269)
—

—

287,096

$

346

$ 538,625

$

130,037

$1,699,853

Treasury 
Stock

Total

$ (77,497) $ 1,704,595
(106,347)
2,959
6,138

— (106,347)
—
—
—
—

—

—
—

(2,950)
19,870
231,598
$(183,844) $ 1,855,863
(21,005)

(21,005)

441

—

—

—

—

2,874

7,119

(3,138)
(15,269)
50,913

—

287,096
$(204,408) $ 2,164,453

—

—

2

—

271

—

—

3,041

8,639

(4,455)
—

(204,070)
—

—

—

—

—

—

—
—
— (192,466)

553

—

—

—

3,594

8,639

(4,453)
(192,466)

—

15,343

—

—

275,470

— 203,799

—

—

15,343

275,470
—
(56) $ 2,270,580

Balance at December 31, 2012

$

619

$ 341,780

$

145,380

$1,782,857

$

See accompanying notes.

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ProAssurance Corporation and Subsidiaries
Consolidated Statements of Income and Comprehensive Income  
(In thousands, except per share data)

Revenues

Net premiums earned

Net investment income

Equity in earnings (loss) of unconsolidated subsidiaries
Net realized investment gains (losses):

Other-than-temporary impairment (OTTI) losses
Portion of OTTI losses recognized in (reclassified from) other
comprehensive income before taxes
Net impairment losses recognized in earnings

Other net realized investment gains (losses)

Total net realized investment gains (losses)

Other income

Total revenues

Expenses

Losses and loss adjustment expenses

Reinsurance recoveries

Net losses and loss adjustment expenses

Underwriting, policy acquisition and operating expenses

Interest expense

Loss on extinguishment of debt

Total expenses

Income before income taxes

Provision for income taxes

Current expense (benefit)

Deferred expense (benefit)

Total income tax expense (benefit)

Net income

Other comprehensive income, after tax, net of reclassification adjustments
(see Note 11)

Comprehensive income

Earnings per share:

Basic
Diluted

Weighted average number of common shares outstanding:

Basic

Diluted

Cash dividends declared per common share

See accompanying notes.

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Year Ended December 31

2012

2011

2010

$

550,664
136,094
(6,873)

$

565,415

$

140,956
(9,147)

519,107

146,380
1,245

(1,566)

(5,189)

(14,375)

(201)
(1,767)
30,630

28,863
7,106

(823)
(6,012)
12,006
5,994

13,566

(1,474)
(15,849)
33,191
17,342

7,991

715,854

716,784

692,065

161,726

18,187

179,913

135,631

2,181

2,163

151,270

11,017

162,287

136,421

3,478

—

252,615
(31,500)
221,115

134,980

3,293

—

319,888

302,186

359,388

395,966

414,598

332,677

82,752

37,744

120,496

128,553
(1,051)
127,502

105,479
(4,400)
101,079

275,470

287,096

231,598

15,343

50,913

19,870

290,813

$

338,009

$

251,468

4.49
4.46

$
$

4.70
4.65

$
$

3.64
3.60

61,342

61,833

61,140

61,684

63,576

64,351

3.13

$

0.25

$

—

$

$
$

$

 
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ProAssurance Corporation and Subsidiaries
Consolidated Statements of Cash Flows
(In thousands)

Operating Activities
Net income
Adjustments to reconcile income to net cash provided by operating activities:

Amortization, net of accretion
Depreciation
Loss (gain) on extinguishment of debt
(Increase) decrease in cash surrender value of business owned life
insurance

Net realized investment (gains) losses
Share-based compensation
Deferred income taxes
Policy acquisition costs, net amortization (net deferral)
Other
Other changes in assets and liabilities, excluding effect of business 
combinations:

Premiums receivable
Receivable from reinsurers on paid losses and loss adjustment expenses
Receivable from reinsurers on unpaid losses and loss adjustment
expenses

Prepaid reinsurance premiums
Other assets
Reserve for losses and loss adjustment expenses
Unearned premiums
Reinsurance premiums payable
Other liabilities

Net cash provided by operating activities

Investing Activities
Purchases of:

Fixed maturities, available for sale
Equity securities, available for sale
Equity securities, trading
Other investments

Funding of tax credit limited partnerships
(Investments in) distributions from unconsolidated subsidiaries, net
Proceeds from sales or maturities of:

Fixed maturities, available for sale
Equity securities, available for sale
Equity securities, trading
Other investments

Net sales or maturities (purchases) of short-term investments
Cash paid for acquisitions, net of cash received
Deposit made for future acquisition
Redemption of business owned life insurance
Unsettled security transactions, net
Cash received (paid) for other assets
Net cash provided (used) by investing activities

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Year Ended December 31

2012

2011

2010

$

275,470

$

287,096

$

231,598

32,832
4,741
2,163

(2,008)
(28,863)
8,639
37,744
3,448
(2,507)

16,494
(342)

58,870
(482)
(11,231)
(218,100)
(21,919)
(36,583)
(27,116)
91,250

(646,198)
—
(120,555)
(9,977)
(35,745)
(9,621)

926,221
—
54,670
1,180

48,565
(28,439)
(153,700)
—
4,852
(4,410)
26,843

30,740
4,949
—

(2,070)
(5,994)
7,119
(1,051)
655
2,891

730
407

29,778
(1,545)
613
(166,328)
(4,895)
(29,642)
5,911
159,364

(782,555)
—
(117,208)
(4,671)
(29,213)
—

789,709
3,921
50,386
773
49,011
—
—
—
7
(9,771)
(49,611)

22,071
4,600
—

(1,617)
(17,342)
6,138
(4,400)
(1,788)
(6,562)

8,216
12,196

(8,794)
813
7,253
(96,232)
(14,275)
(4,402)
1,718
139,191

(840,366)
(9,675)
(14,312)
(5,383)
(13,623)
24,600

961,334
9,882
36,740
1,279
27,676
(215,726)
—
16,136
2,014
(2,923)
(22,347)

 
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Financing Activities
Proceeds from long-term debt
Repayment of long-term debt and related swap
Repurchase of common stock
Excess tax benefit from share-based payment arrangements
Dividends to shareholders
Other
Net cash provided (used) by financing activities

Increase (decrease) in cash and cash equivalents
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period

Supplemental Disclosure of Cash Flow Information
Net cash paid during the year for income taxes
Cash paid during the year for interest

Significant non-cash transactions

Other investments transferred, at fair value, to fixed maturities
Other investment interest converted to equity securities

See accompanying notes.

Year Ended December 31

2012

2011

2010

125,000
(57,660)
—
7,022
(200,118)
(4,186)
(129,942)

(11,849)
130,400
118,551

110,278
2,342

$

$
$

—
(325)
(21,005)
1,711
(7,617)
(2,968)
(30,204)

79,549
50,851
130,400

98,141
3,182

$

$
$

—
(303)
(106,347)
1,847
—
(1,832)
(106,635)

10,209
40,642
50,851

92,046
3,270

— $
$

15,742

— $
— $

9,923
—

$

$
$

$
$

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

1. Accounting Policies

Organization and Nature of Business

ProAssurance Corporation (ProAssurance or PRA), a Delaware corporation, is an insurance holding company for wholly-

owned specialty property and casualty insurance companies that principally provide professional liability insurance for 
providers of healthcare services, and to a lesser extent, providers of legal services and other professional services. ProAssurance 
operates in the United States of America (U.S.) in a single reportable segment.

Principles of Consolidation

The accompanying consolidated financial statements include the accounts of ProAssurance Corporation and its wholly-

owned subsidiaries. Investments in entities where ProAssurance holds a greater than minor interest but does not hold a 
controlling interest are accounted for using the equity method. All significant intercompany accounts and transactions are 
eliminated in consolidation.

Basis of Presentation

The preparation of financial statements in conformity with U.S. Generally Accepted Accounting Principles (GAAP) 
requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, revenues and 
expenses, and disclosures related to these amounts at the date of the financial statements. Actual results could differ from those 
estimates.

Stock Split

The Board of Directors of ProAssurance Corporation (the Board) declared a two-for-one stock split effected December 
27, 2012 in the form of a stock dividend. All share and per share information provided in this report reflects the effect of the 
split for all periods presented.

Accounting Policies

The significant accounting policies followed by ProAssurance in making estimates that materially affect financial 

reporting are summarized in these notes to the consolidated financial statements.

Recognition of Revenues

Insurance premiums are recognized as revenues pro rata over the terms of the policies, which are generally one year in 

duration.

At December 31, 2012 and 2011 ProAssurance had established allowances for credit losses related to premium and 

agency receivables (classified as a part of Other Assets) as follows:

(in thousands)

Allowance for credit losses:
Balance at December 31, 2010
Estimated credit losses
Account write offs, net of recoveries

Balance at December 31, 2011

Estimated credit losses
Account write offs, net of recoveries

Balance at December 31, 2012

Premium
Receivables

Agency
Receivables

$

$

1,030
229
(269)
990
157
(147)
1,000

$

$

328
—
4
332
—
(46)
286

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

1. Accounting Policies (continued)

Losses and Loss Adjustment Expenses

ProAssurance establishes its reserve for losses and loss adjustment expenses (reserve for losses) based on estimates of the 
future amounts necessary to pay claims and expenses associated with the investigation and settlement of claims. The reserve for 
losses is determined on the basis of individual claims and payments thereon as well as actuarially determined estimates of 
future losses based on past loss experience, available industry data and projections as to future claims frequency, severity, 
inflationary trends, judicial trends, legislative changes and settlement patterns.

 Management establishes the reserve for losses after taking into consideration a variety of factors including the 
conclusions reached by internal actuaries, premium rates, claims frequency, historical paid and incurred loss development 
trends, the effect of inflation, general economic trends, the legal and political environment, and the reports received from 
consulting actuaries. Internal actuaries perform an in-depth review of the reserve for losses at least semi-annually using the loss 
and exposure data of ProAssurance subsidiaries. Management engages consulting actuaries to review subsidiary loss and 
exposure data and provide reports to Management regarding the adequacy of reserves.

Estimating casualty insurance reserves, and particularly liability reserves, is a complex process. Claims may be resolved 

over an extended period of time, often five years or more, and may be subject to litigation. Estimating losses for liability claims 
requires ProAssurance to make and revise judgments and assessments regarding multiple uncertainties over an extended period 
of time. As a result, reserve estimates may vary significantly from the eventual outcome. Reserve estimates and the assumptions 
on which these estimates are predicated are regularly reviewed and updated as new information becomes available. Any 
adjustments necessary are reflected in then current operations. Due to the size of ProAssurance’s reserve for losses, even a 
small percentage adjustment to these estimates could have a material effect on earnings in the period in which the adjustment is 
made, as was the case in 2012, 2011 and 2010.

The effect of adjustments made to reinsured losses is mitigated by the corresponding adjustment that is made to 

reinsurance recoveries. Thus, in any given year, ProAssurance may make significant adjustments to gross losses that have little 
effect on its net losses.

Reinsurance Receivables

ProAssurance enters into reinsurance agreements whereby other insurance entities agree to assume a portion of the risk 

associated with the policies issued by ProAssurance. In return, ProAssurance agrees to pay a premium to the reinsurer. 
ProAssurance purchases reinsurance to provide for greater diversification of business and to allow management to control 
exposure to potential losses arising from large risks.

Receivable from Reinsurers on Paid Losses is the estimated amount of losses already paid that will be recoverable from 

reinsurers. Receivable from Reinsurers on Unpaid Losses is the estimated amount of future loss payments that will be 
recoverable from reinsurers. Reinsurance Recoveries are the portion of losses incurred during the period that are estimated to be 
allocable to reinsurers. Premiums ceded are the estimated premiums that will be due to reinsurers with respect to premiums 
earned and losses incurred during the period.

These estimates are based upon management’s estimates of ultimate losses and the portion of those losses that are 
allocable to reinsurers under the terms of the related reinsurance agreements. Given the uncertainty of the ultimate amounts of 
losses, these estimates may vary significantly from the eventual outcome. Management regularly reviews these estimates and 
any adjustments necessary are reflected in the period in which the estimate is changed. Due to the size of the receivable from 
reinsurers, even a small adjustment to the estimates could have a material effect on ProAssurance’s results of operations for the 
period in which the change is made.

Reinsurance contracts do not relieve ProAssurance from its obligations to policyholders. ProAssurance continually 
monitors its reinsurers to minimize its exposure to significant losses from reinsurer insolvencies. Any amount determined to be 
uncollectible is written off in the period in which the uncollectible amount is identified.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

1. Accounting Policies (continued)

Investments

Fair Values

Fair values of investment securities are primarily provided by independent pricing services. The pricing services provide 

an exchange traded price, if available, or provide an estimated price determined using multiple observable inputs, including 
exchange traded prices for similar assets. Management reviews valuations of securities obtained from the pricing services for 
accuracy based upon the specifics of the security, including class, maturity, credit rating, durations, collateral, and comparable 
markets for similar securities. Multiple observable inputs are not available for certain of our investments, including municipal 
bonds and corporate debt not actively traded, and investments in limited partnerships/limited liability companies (LPs/LLCs). 
Management values these municipal bonds and corporate debt either using a single non-binding broker quote or pricing models 
that utilize market based assumptions that have limited observable inputs. Management values investments in LPs/LLCs based 
on the net asset value of the interest held, as provided by the fund.

Fixed Maturities and Equity Securities

Fixed maturities and equity securities are considered as either available-for-sale or trading securities.

Available-for-sale securities are carried at fair value, as described above, and unrealized gains and losses on such 
available-for-sale securities are included, net of related tax effects, in Shareholders’ Equity as a component of Accumulated 
Other Comprehensive Income (Loss).

Investment income includes amortization of premium and accretion of discount related to debt securities acquired at other 

than par value. Debt securities and mandatorily redeemable preferred stock with maturities beyond one year when purchased 
are classified as fixed maturities.

Trading portfolio securities are carried at fair value, as described above, with the holding gains and losses included in 

realized investment gains and losses in the current period.

Short-term Investments

Short-term investments, which have a maturity at purchase of one year or less, are primarily comprised of investments in 

U.S. Treasury obligations and commercial paper. All balances are reported at amortized cost, which approximates fair value.

Other Investments

Investments in LPs/LLCs where ProAssurance has virtually no influence over the operating and financial policies of an 

investee are accounted for using the cost method. Under the cost method, investments are valued at cost, with investment 
income recognized when received.

Investment in Unconsolidated Subsidiaries

Investments in LPs/LLCs where ProAssurance is deemed to have influence because it holds a greater than a minor 
interest are accounted for using the equity method. Under the equity method, the recorded basis of the investment is adjusted 
each period for the investor’s pro rata share of the investee’s income or loss. Investments in unconsolidated subsidiaries include 
tax credit partnerships accounted for using the equity method, whereby ProAssurance’s proportionate share of income or loss is 
included in investment income. Tax credits received from the partnerships are recognized in the period received as a reduction 
to current tax expenses.

Business Owned Life Insurance (BOLI)

ProAssurance owns life insurance contracts on certain management employees. The life insurance contracts are carried at 

their current cash surrender value. Changes in the cash surrender value are included in income in the current period as 
investment income. Death proceeds from the contracts are recorded when the proceeds become payable under the policy terms.

Realized Gains and Losses

Realized investment gains and losses are recognized on the specific identification basis.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

1. Accounting Policies (continued)

Other-than-temporary Impairments

ProAssurance evaluates its available-for-sale investment securities on at least a quarterly basis for declines in fair value 
below recorded cost basis for the purpose of determining whether these declines represent other-than-temporary declines. The 
assessment of whether the amortized cost basis of debt securities, particularly asset-backed debt securities, is expected to be 
recovered requires management to make assumptions regarding various matters affecting cash flows to be received in the 
future. The choice of assumptions is subjective and requires the use of judgments; actual credit losses experienced in future 
periods may differ from management’s estimates of those credit losses.

If there is intent to sell the security or if it is more likely than not that the security will be required to be sold before full 
recovery of its amortized cost basis, ProAssurance considers a decline in fair value to be an other-than-temporary impairment. 
Otherwise, ProAssurance considers the following factors in determining whether an investment’s decline is other-than-
temporary:

For equity securities:

•  the length of time for which the fair value of the investment has been less than its recorded basis;
•  the financial condition and near-term prospects of the issuer underlying the investment, taking into consideration the 

economic prospects of the issuer’s industry and geographical region, to the extent that information is publicly 
available;

•  the historical and implied volatility of the fair value of the security;

For debt securities, an evaluation is made as to whether the decline in fair value is due to credit loss, which is defined as 

the excess of the current amortized cost basis of the security over the present value of expected future cash flows. 
Methodologies used to estimate the present value of expected cash flows to determine if a decline is due to a credit loss are:

•  For non-structured fixed maturities (U.S. Treasury securities, obligations of U.S. Government and government 
agencies and authorities, obligations of states, municipalities and political subdivisions, and corporate debt) the 
estimate of expected cash flows is determined by projecting a recovery value and a recovery time frame and 
assessing whether further principal and interest will be received. ProAssurance considers the following in projecting 
recovery values and recover time frames:

•  third party research and credit rating reports;
•  the current credit standing of the issuer, including credit rating downgrades, whether before or after the balance 

sheet date;

•  internal assessments and the assessments of external portfolio managers regarding specific circumstances 

surrounding an investment, which indicate the investment is more or less likely to recover its amortized cost 
than other investments with a similar structure;

•  failure of the issuer of the security to make scheduled interest or principal payments;

•  For structured securities (primarily asset-backed securities), ProAssurance estimates the present value of the 

security’s cash flows using the effective yield of the security at the date of acquisition (or the most recent implied 
rate used to accrete the security if the implied rate has changed as a result of a previous impairment or changes in 
expected cash flows). ProAssurance incorporates six month averages of the levels of delinquencies, defaults, 
severities, and prepayments in the securitization, for the parameters applied to the assets underlying the 
securitization in determining the net present value of the cash flows.

Investments in LPs/LLCs are evaluated for impairment by comparing ProAssurance’s carrying value to net asset value 

(NAV) of ProAssurance’s interest in the fund as reported by the fund manager. Additionally, Management considers the 
performance of the fund relative to the market, the stated objectives of the fund, and cash flows expected from the fund and 
fund audit reports, if available.

Tax credit partnership investments are evaluated for OTTI by comparing cash flow projections of future operating results 

of the underlying projects generating the tax credits to the recorded value of the investment, taking into consideration 
ProAssurance’s ability to utilize the tax credits from the investments.

ProAssurance recognizes other than temporary impairments, including impairments of debt securities due to credit loss, 

in earnings as a part of net realized investment gains (losses). In subsequent periods, any measurement of gain or loss or 
impairment is based on the revised amortized basis of the security. Declines in fair value, including impairments of debt 
securities that are not evaluated as being due to credit loss, not considered to be other-than-temporary are recognized in other 
comprehensive income.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

1. Accounting Policies (continued)

Asset-backed securities that have been impaired due to credit or are below investment grade quality are accounted for 

under the effective yield method. Under the effective yield method estimates of cash flows expected over the life of asset-
backed securities are then used to recognize income on the investment balance for subsequent accounting periods.

Cash and Cash Equivalents

For purposes of the consolidated balance sheets and statements of cash flow, ProAssurance considers all demand deposits 

and overnight investments to be cash equivalents.

Deferred Policy Acquisition Costs

Costs that vary with and are directly related to the successful production of new and renewal premiums (primarily 
premium taxes, commissions and underwriting salaries) are deferred to the extent they are recoverable against unearned 
premiums and are amortized as related premiums are earned.

Income Taxes/Deferred Taxes

ProAssurance files a consolidated federal income tax return. Tax-related interest and penalties are recognized as 

components of tax expense. 

ProAssurance evaluates tax positions taken on tax returns and recognizes positions in the financial statements when it is 

more likely than not that the position will be sustained upon resolution with a taxing authority. If recognized, the benefit is 
measured as the largest amount of benefit that has a greater than fifty percent probability of being realized. Uncertain tax 
positions are reviewed each period by considering changes in facts and circumstances, such as changes in tax law, interactions 
with taxing authorities and developments in case law, and adjustments are made as considered necessary. Adjustments to 
unrecognized tax benefits may affect income tax expense and the settlement of uncertain tax positions may require the use of 
cash.

Deferred federal income taxes arise from the recognition of temporary differences between the basis of assets and 
liabilities determined for financial reporting purposes and the basis determined for income tax purposes. ProAssurance’s 
temporary differences principally relate to loss reserves, unearned premium, deferred policy acquisition costs, unrealized 
investment gains (losses), investment impairments and intangibles. Deferred tax assets and liabilities are measured using the 
enacted tax rates expected to be in effect when such benefits are realized. ProAssurance reviews its deferred tax assets quarterly 
for impairment. If management determines that it is more likely than not that some or all of a deferred tax asset will not be 
realized, a valuation allowance is recorded to reduce the carrying value of the asset. In assessing the need for a valuation 
allowance, management is required to make certain judgments and assumptions about the future operations of ProAssurance 
based on historical experience and information as of the measurement period regarding reversal of existing temporary 
differences, carryback capacity, future taxable income, including its capital and operating characteristics, and tax planning 
strategies.

Changes in tax laws and rates could also affect recorded deferred tax assets and liabilities in the future. Management is 

not aware of any such changes that would have a material effect on the Company’s results of operations, cash flows or financial 
position.

Real Estate

Real Estate balances are reported at cost or, for properties acquired in business combinations, estimated fair value on the 

date of acquisition, less accumulated depreciation. Real estate consists of properties primarily in use as corporate offices, but 
also includes land (carrying value at both December 31, 2012 and 2011 of $2.1 million). Depreciation is computed over the 
estimated useful lives of the related property using the straight-line method. Excess office capacity is leased or made available 
for lease; rental income is included in other income and real estate expenses are included in underwriting, policy acquisition 
and operating expenses.

Real estate accumulated depreciation was approximately $20.2 million and $18.6 million at December 31, 2012 and 2011, 

respectively. Real estate depreciation expense for the three years ended December 31, 2012, 2011 and 2010 was $1.4 million, 
$1.7 million and $1.4 million, respectively.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

1. Accounting Policies (continued)

Intangible Assets

Intangible assets with definite lives are amortized over the estimated useful life of the asset. Amortizable intangible assets 

primarily consist of renewal rights and agency relationships and had a carrying value of $50.2 million and $46.1 million at 
December 31, 2012 and 2011, respectively with the difference being attributable to intangible assets acquired during 2012. 
Intangible assets with an indefinite life are not amortized and had a carrying value of $14.3 million at both December 31, 2012 
and 2011. Intangible assets are evaluated for impairment on an annual basis.

Accumulated amortization of intangible assets was $11.2 million and $6.7 million at December 31, 2012 and 2011, 
respectively. Amortization expense for intangible assets for the three years ended December 31, 2012, 2011 and 2010 was $4.5 
million, $4.7 million and $1.3 million, respectively. The estimated aggregate amortization expense for intangible assets for each 
of the five succeeding years approximates $4.7 million for 2013, $4.4 million for 2014, $3.0 million for 2015, $2.8 million for 
2016 and $2.7 million for 2017. 

Goodwill

ProAssurance makes at least an annual assessment as to whether the value of its goodwill assets are impaired. 

Management evaluates the carrying value of goodwill annually on October 1 and before the annual evaluation if events occur or 
circumstances change that would more likely than not reduce the fair value below the carrying value. Because ProAssurance 
operates in a single operating segment and all components within the segment are economically similar, ProAssurance is 
considered a single reporting unit for the purposes of the impairment evaluation. In assessing goodwill, Management estimates 
the fair value of the reporting unit on the evaluation date based on the Company’s market capitalization and an expected 
premium that would be paid to acquire control of the Company (a control premium) and performs a sensitivity analysis using a 
range of historical stock prices and control premiums. Management concluded in 2012, 2011 and 2010 that the fair value of the 
Company’s reporting unit exceeded the carrying value and no adjustment to impair goodwill was necessary.

Treasury Stock

Treasury shares are reported at cost, and are reflected on the balance sheets as an unallocated reduction of total equity.

Share-Based Payments

ProAssurance recognizes compensation cost for share-based payments (including stock options, performance share units, 

restricted share units, and purchase match units) using the modified prospective method whereby the methodology for 
recognizing compensation expense differs depending upon the grant date of each share-based payment award. Compensation 
cost for awards granted after January 1, 2006 is recognized based on the grant-date fair value of the award over the relevant 
service period of the award; for awards that vest in increments (graded vesting), compensation cost is recognized over the 
relevant service period for each separately vested portion of the award. Compensation cost for awards granted prior to 
January 1, 2006 but not vested on January 1, 2006 is recognized over the remaining service period related to those awards, 
using the same calculation methodologies, including grant-date fair values, as was used to prepare pro forma disclosures prior 
to January 1, 2006. Excess tax benefits (tax deductions realized in excess of the compensation costs recognized for the exercise 
of the awards, multiplied by the incremental tax rate) are reported as financing cash inflows.

Subsequent Events

In connection with its preparation of the Consolidated Financial Statements, ProAssurance has evaluated events that 

occurred subsequent to December 31, 2012, for recognition or disclosure in its financial statements and notes to the financial 
statements.

Accounting Changes Adopted

Accounting for Costs Associated with Acquiring or Renewing Insurance Contracts

Effective for fiscal years beginning after December 15, 2011, the FASB revised guidance regarding the interpretation of 

which costs relating to the acquisition of new or renewal insurance contracts qualify for deferral. The guidance permits deferral 
of qualifying costs only when associated with successful contract acquisitions. Internal selling agent and underwriter salary and 
benefit costs allocated to unsuccessful contracts, as well as advertising costs, are excluded. The guidance must be applied 
prospectively, but may be applied retrospectively for all prior periods. ProAssurance prospectively adopted the guidance on 
January 1, 2012. Adoption of this guidance had no material effect on ProAssurance’s results of operations or financial position.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

1. Accounting Policies (continued)

Fair Value Measurements

Effective for interim and annual reporting periods beginning after December 15, 2011, the FASB revised guidance related 
to fair value measurements and disclosures, all of which are to be applied prospectively. The new guidance increases disclosure 
requirements regarding valuation methods used to determine fair value measurements categorized as Level 3, as well as the 
sensitivity to change of those measurements, and requires additional disclosures regarding the consideration given to highest 
and best use in fair value measurements of nonfinancial assets. The guidance also requires that when fair value measurements 
of items not carried at fair value are disclosed, the fair value measurements are to be categorized by level of the fair value 
hierarchy. Additionally, the guidance also clarifies or revises certain fair value measurement principles related to the valuation 
of financial instruments managed within a portfolio, the valuation of instruments classified as a part of shareholders’ equity, the 
appropriate application of the highest and best use valuation premise, and the consideration of premium and discounts in a fair 
value measurement. ProAssurance adopted the guidance on January 1, 2012. Adoption of this guidance had no material effect 
on ProAssurance’s results of operations or financial position.

Accounting Changes Not Yet Adopted

Intangibles-Goodwill and Other

Effective for fiscal years beginning after September 15, 2012, the FASB revised guidance related to impairment testing of 

indefinite-lived intangible assets. The new guidance permits an entity to assess qualitative factors to determine whether the 
existence of events and circumstances indicates that it is more likely than not that an indefinite-lived intangible asset is 
impaired. Quantitative impairment testing is required only if the assessment of qualitative factors indicates it is more likely than 
not that impairment exists. ProAssurance plans to adopt the guidance beginning January 1, 2013. Adoption of this guidance is 
expected to have no effect on ProAssurance's results of operations or financial position.

Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income

Effective for interim and annual reporting periods beginning after December 15, 2012, the FASB revised guidance related 

to the disclosure of amounts reclassified out of accumulated other comprehensive. The most significant provisions of the new 
guidance require entities to present additional disclosure regarding significant amounts reclassified, in their entirety, from 
accumulated other comprehensive income to net income, either on the face of the income statement or in the notes. 
ProAssurance plans to adopt the guidance beginning January 1, 2013. Adoption of this guidance is expected to have no effect 
on ProAssurance’s results of operations or financial position as it impacts disclosures only.

Disclosures About Offsetting Assets and Liabilities

Effective for fiscal years beginning on or after January 1, 2013, the Financial Accounting Standards Board (FASB) 
revised guidance related to disclosures about certain assets and liabilities in an entity’s financial statements. The guidance 
requires disclosures related to the net and gross positions of certain financial instruments and transactions that are either eligible 
for offset in accordance with existing GAAP guidance or subject to an agreement that requires such offset. The guidance must 
be applied retrospectively for all prior periods presented. ProAssurance plans to adopt the guidance beginning January 1, 2013. 
Adoption of this guidance is expected to have no effect on ProAssurance’s results of operations or financial position as it 
impacts disclosures only.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

2. Acquisitions

All entities acquired in 2012 and 2010 were accounted for in accordance with GAAP relating to business combinations 
and are considered to be a part of ProAssurance’s sole reporting segment, the professional liability segment. No entities were 
acquired in 2011.

During 2012, ProAssurance completed an acquisition of a reciprocal exchange that converted to a stock insurance 

company upon acquisition. The acquisition was not material to ProAssurance. 

On November 30, 2010 ProAssurance acquired 100% of the outstanding shares of American Physicians Service Group, 

Inc. (APS) as a means of expanding its professional liability business. Total purchase consideration transferred had a fair value 
of $237 million on the acquisition date and included cash of $233 million and deferred compensation commitments of $4 
million. ProAssurance expensed APS transaction costs of approximately $2 million during 2010. The purchase consideration 
was allocated to the assets acquired and liabilities assumed based on their estimated fair values on the acquisition dates. The 
excess of the purchase price over the net fair value of the identifiable assets acquired and liabilities assumed was recognized as 
goodwill. During 2011 goodwill initially recorded related to the purchase of APS was reduced by $1.8 million to $37.3 million 
related to the completion of the valuation of pre-acquisition tax liabilities. 

The following table provides Pro Forma Consolidated Results for the year ended December 31, 2010 as if the APS 
transaction had occurred on January 1, 2009. ProAssurance Actual Consolidated Results have been adjusted to reflect the 
following, net of related tax effects:

•  The inclusion of APS operating results for the period preceding the APS acquisition date in 2010. ProAssurance 2010 
Actual Consolidated Results include APS revenues of $6.2 million and earnings of $1.0 million attributable to the 
period subsequent to November 30, 2010.

•  The effects of APS workforce reductions as if those workforce reductions had occurred in 2009.

•  The exclusion of the direct costs of completing the APS transaction.

• 

• 

For periods subsequent to the acquisition date, amortization of policy acquisition costs. ProAssurance Actual 
Consolidated Results do not include such amortization because, in accordance with GAAP, assets for deferred policy 
acquisition costs were not recognized as a part of the purchase price allocation of APS.

For periods preceding the acquisition date, amortization of intangible assets and debt security premiums/discounts 
recorded as a part of the APS purchase price allocation.

(In thousands)

Revenue
Earnings

Year Ended
December 31, 2010

ProAssurance
Pro Forma
Consolidated Results
758,670
$
249,196
$

ProAssurance
Actual
Consolidated Results
692,065
$
231,598
$

On January 1, 2013, ProAssurance completed the acquisition of Medmarc Mutual Insurance Company, now Medmarc 
Insurance Company (Medmarc), through a sponsored demutualization. Medmarc is based in Chantilly, Virginia and provides 
products liability insurance for medical technology and life sciences companies and also provides legal professional liability 
insurance. ProAssurance acquired Medmarc for cash of $153.7 million, including the funding of future policy credits for 
eligible members of $7.5 million. Allocation of the Medmarc purchase consideration to the assets acquired and liabilities 
assumed was not complete as of the date of this report. ProAssurance transferred the cash required to complete the transaction 
($153.7 million) to a third-party conversion agent for the benefit of Medmarc eligible members on December 27, 2012; the 
deposit was classified as a part of Other Assets at December 31, 2012.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

3. Fair Value Measurement

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. A three level hierarchy has been established for valuing assets 
and liabilities based on how transparent (observable) the inputs are that are used to determine fair value, with the inputs 
considered most observable categorized as Level 1 and those that are the least observable categorized as Level 3. Hierarchy 
levels are defined as follows:

Level 1:

Level 2:

Level 3:

quoted (unadjusted) market prices in active markets for identical assets and liabilities. For
ProAssurance, Level 1 inputs are generally quotes for debt or equity securities actively traded in
exchange or over-the-counter markets.

market data obtained from sources independent of the reporting entity (observable inputs). For
ProAssurance, Level 2 inputs generally include quoted prices in markets that are not active, quoted
prices for similar assets or liabilities, and results from pricing models that use observable inputs such as
interest rates and yield curves that are generally available at commonly quoted intervals.

the reporting entity’s own assumptions about market participant assumptions based on the best
information available in the circumstances (non-observable inputs). For ProAssurance, Level 3 inputs
are used in situations where little or no Level 1 or 2 inputs are available or are inappropriate given the
particular circumstances. Level 3 inputs include results from pricing models for which some or all of the
inputs are not observable, discounted cash flow methodologies, single non-binding broker quotes and
adjustments to externally quoted prices that are based on management judgment or estimation.

Fair values of assets and liabilities measured at fair value on a recurring basis as of December 31, 2012 and December 31, 

2011, including financial instruments for which ProAssurance has elected fair value, are shown in the following tables. The 
tables also indicate the fair value hierarchy of the valuation techniques utilized to determine those fair values. For some assets, 
the inputs used to measure fair value may fall into different levels of the fair value hierarchy. When this is the case, the asset is 
categorized based on the level of the most significant input to the fair value measurement. Assessments of the significance of a 
particular input to the fair value measurement requires judgment and consideration of factors specific to the assets being 
valued.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

3. Fair Value Measurement (continued)

(In thousands)

Level 1

Level 2

Level 3

Fair Value

December 31, 2012

Fair Value Measurements Using

Total

Assets:
Fixed maturities, available for sale
U.S. Treasury obligations
U.S. Government-sponsored enterprise obligations
State and municipal bonds
Corporate debt, multiple observable inputs
Corporate debt, limited observable inputs:

Private placement senior notes
Other corporate debt, NRSRO ratings available
Other corporate debt, NRSRO ratings not available

Residential mortgage-backed securities
Agency commercial mortgage-backed securities
Other commercial mortgage-backed securities
Other asset-backed securities

Equity securities
Financial
Utilities/Energy
Consumer oriented
Technology
Industrial
All other

Short-term investments
Financial instruments carried at fair value, classified as a part of:

$

$

205,857
— $
56,947
—
— 1,212,804
— 1,455,333

— $
—
7,175

205,857
56,947
1,219,979
— 1,455,333

—
—
—
—
—
—
—

70,900
31,383
51,100
11,495
18,200
19,540
59,761

—
—
—
289,850
59,464
74,106
67,237

—
—
—
—
—
—
11,976

346
13,835
1,010
—
—
—
4,035

—
—
—
—
—
—
—

346
13,835
1,010
289,850
59,464
74,106
71,272

70,900
31,383
51,100
11,495
18,200
19,540
71,737

Investment in unconsolidated subsidiaries

Total assets

—
$ 262,379

—
$ 3,433,574

$

33,739
60,140

33,739
$ 3,756,093

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

3. Fair Value Measurement (continued)

(In thousands)

Assets:
Fixed maturities, available for sale
U.S. Treasury obligations
U.S. Government-sponsored enterprise obligations
State and municipal bonds
Corporate debt, multiple observable inputs
Corporate debt, limited observable inputs:

Private placement senior notes
Other corporate debt, NRSRO ratings available
Other corporate debt, NRSRO ratings not available

Residential mortgage-backed securities
Agency commercial mortgage-backed securities
Other commercial mortgage-backed securities
Other asset-backed securities

Equity securities
Financial
Utilities/Energy
Consumer oriented
Technology
Industrial
All other

Short-term investments
Financial instruments carried at fair value, classified as a part of:

Investment in unconsolidated subsidiaries
Other investments
Total assets

Liabilities:
2019 Note payable
Interest rate swap agreement

Total liabilities

December 31, 2011

Fair Value Measurements Using

Total

Level 1

Level 2

Level 3

Fair Value

$

$

$

$

283,865
— $
68,104
—
— 1,221,187
— 1,359,866

— $
—
7,200

283,865
68,104
1,228,387
— 1,359,866

—
—

—
—
—
—
—

25,281
18,748
29,711
7,556
9,185
12,677
111,359

—
—

—
452,932
81,530
81,188
101,809

—
—
—
—
—
—
8,062

612
6,310

1,160
—
—
—
—

—
—
—
—
—
—
—

612
6,310

1,160
452,932
81,530
81,188
101,809

25,281
18,748
29,711
7,556
9,185
12,677
119,421

—
—
214,517

—
—
$ 3,658,543

$

23,841
15,873
54,996

23,841
15,873
$ 3,928,056

—
—
— $

—
—
— $

14,180
4,659
18,839

$

14,180
4,659
18,839

The fair values for securities included in the Level 2 category, with the few exceptions described below, have been 
developed by one of several third party, nationally recognized pricing services, including services that price only certain types 
of securities. Each service uses complex methodologies to determine values for securities and subject the values they develop 
to quality control reviews. Management has selected a primary source for each type of security in the portfolio, and reviews the 
values provided for reasonableness by comparing data to alternate pricing services and to available market and trade data. 
Values that appear inconsistent are further reviewed for appropriateness. If a value does not appear reasonable, the valuation is 
discussed with the service that provided the value and would be adjusted, if necessary. No such adjustments were necessary in 
2012 or 2011.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

3. Fair Value Measurement (continued)

Level 2 Valuations

Below is a summary description of the valuation methodologies primarily used by the pricing services for securities in 

the Level 2 category, by security type:

U.S. Treasury obligations are valued based on quoted prices for identical assets, or, in markets that are not active, quotes 

for similar assets, taking into consideration adjustments for variations in contractual cash flows and yields to maturity.

U.S. Government-sponsored enterprise obligations are valued using pricing models that consider current and historical 

market data, normal trading conventions, credit ratings, and the particular structure and characteristics of the security being 
valued, such as yield to maturity, redemption options, and contractual cash flows. Adjustments to model inputs or model results 
are included in the valuation process when necessary to reflect recent events, such as regulatory, government or corporate 
actions or significant economic, industry or geographic events that would affect the security’s fair value. 

State and municipal bonds are valued using a series of matrices that consider credit ratings, the structure of the security, 

the sector in which the security falls, yields, and contractual cash flows. Valuations are further adjusted, when necessary, to 
reflect recent events such as significant economic or geographic events or ratings changes that would affect the security’s fair 
value.

Corporate debt with multiple observable inputs consists primarily of corporate bonds, but also includes a small number 

of bank loans. The methodology used to value Level 2 corporate bonds is the same as the methodology previously described for 
U.S. Government-sponsored enterprise obligations. Bank loans are valued by an outside vendor based upon a widely 
distributed, loan-specific listing of average bid and ask prices published daily by an investment industry group. The publisher 
of the listing derives the averages from data received from multiple market-makers for bank loans.

Residential and commercial mortgage backed securities. Agency pass-through securities are valued using a matrix, 
considering the issuer type, coupon rate and longest cash flows outstanding. The matrix is developed daily based on available 
market information. Agency and non-agency collateralized mortgage obligations are both valued using models that consider the 
structure of the security, current and historical information regarding prepayment speeds, ratings and ratings updates, and 
current and historical interest rate and interest rate spread data. Evaluations of Alt-A mortgages include a review of collateral 
performance data, which is generally updated monthly.

Other asset-backed securities are valued using models that consider the structure of the security, monthly payment 
information, current and historical information regarding prepayment speeds, ratings and ratings updates, and current and 
historical interest rate and interest rate spread data. Spreads and prepayment speeds consider collateral type. Evaluations of 
subprime home equity loans use the same evaluation methodology as previously described for Alt-A mortgages.

Short-term investments included in the Level 2 category are commercial paper and certificates of deposit maturing within 

one year, carried at cost which approximates the fair value of the security due to the short term to maturity.

 Level 3 Valuations

Below is a summary description of the valuation processes and methodologies used as well as quantitative information 

regarding securities in the Level 3 category.

Level 3 Valuation Processes

•  Level 3 securities are priced by the Vice President of Investments for our subsidiaries, who reports to the Chief 

Financial Officer.

•  Level 3 valuations are computed quarterly. Prices are evaluated quarterly against prior period prices and the expected 

change in price.

•  Exclusive of Investments in unconsolidated subsidiaries, which are valued at NAV, the securities noted in the 

disclosure are primarily NRSRO rated corporate debt instruments for which comparable market inputs are commonly 
available for evaluating the securities in question. Valuation of these corporate debt instruments is not overly sensitive 
to changes in the unobservable inputs used.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

3. Fair Value Measurement (continued)

Level 3 Valuation Methodologies

State and municipal bonds consists of auction rate municipal bonds valued internally using published quotes for similar 

securities or by using a model based on discounted cash flows using yields currently available on fixed rate securities with a 
similar term and collateral, adjusted to consider the effect of a floating rate and a premium for illiquidity. At December 31, 
2012 and December 31, 2011 all of these bonds were rated A- or better.

Corporate debt with limited observable inputs consists of private placement senior notes guaranteed by large regional 

banks and certain corporate bonds. Valuations are determined using dealer quotes for similar securities or discounted cash flow 
models using yields currently available for similar securities. Similar securities are defined as securities having like terms and 
payment features that are of comparable credit quality. Assessments of credit quality are based on NRSRO ratings, if available, 
or are subjectively determined by management if not available. At December 31, 2012, the average rating of rated securities 
was A-.

Other asset-backed securities consists of securitizations of receivables valued using dealer quotes for similar securities or 

discounted cash flow models using yields currently available for similar securities.

Investment in unconsolidated subsidiaries and Other investments consist of limited partnership (LP) and limited liability 

company (LLC) interests valued using the net asset value (NAV) provided by the LP/LLC, which approximates the fair value of 
the interest. 

Such interests include the following:

(In thousands)
Investment in unconsolidated subsidiaries:

LP primarily invested in long/short equities (1)
LPs primarily invested in non-public equities (2)

Unfunded
Commitments

December 31,
2012

None
$43,503

Other investments:

LLC primarily invested in private equity and debt (3)

None

Fair Value

December 31,
2012

December 31,
2011

$

$

17,115
16,624
33,739

—
33,739

$

$

17,123
6,718
23,841

15,873
39,714

(1)  The LP holds both long and short U.S. and North American equities, and targets absolute returns using a strategy 

designed to take advantage of event-driven market opportunities. Redemptions are allowed with a notice requirement 
of up to 45 days and are paid within 30 days of the redemption date, unless the redemption request is for 90% or more 
of the requestor’s capital balance. Redemptions at the 90% and above level will be paid at 90%, with the remainder 
paid after the LP’s annual audit. 

(2)  The LPs are structured to provide capital appreciation through diversified investments in private equity, which can 

include investments in buyout, venture capital, mezzanine debt, distressed debt and other private equity-oriented LPs. 
Redemptions are not allowed for one of the LPs, except by special permission of the LP. Income and capital are to be 
periodically distributed at the discretion of the LP over an anticipated time frame that spans from 4 to 7 years.

(3)  The LLC converted into a publicly traded investment fund during the second quarter of 2012. Prior to conversion, the 

LLC was structured to provide income through diversified investments in private equity, including mezzanine debt, 
distressed debt, syndicated bank loans and other private equity-oriented investments.

Liabilities are valued using the present value of expected underlying cash flows of the instrument, discounted at rates 

available on the valuation date for similar instruments issued by entities with a similar credit standing to ProAssurance.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

3. Fair Value Measurement (continued)

Quantitative Information Regarding Level 3 Valuations

(in millions)

Assets:

Quantitative Information about Level 3 Fair Value Measurements

Fair Value at

December 31,
2012

Valuation Technique

Unobservable Input

Range
(Weighted Average)

State and municipal bonds

$7.2

Corporate debt with limited
observable inputs

Other asset-backed
securities

$15.2

$4.0

Market Comparable
Securities

Discounted Cash Flows
Market Comparable
Securities
Discounted Cash Flows

Market Comparable
Securities

Comparability Adjustment

0% - 10% (5%)

Comparability Adjustment

0% - 10% (5%)

Comparability Adjustment

0% - 5% (2.5%)

Comparability Adjustment
Comparability Adjustment

0% - 5% (2.5%)
0% - 5% (2.5%)

Discounted Cash Flows

Comparability Adjustment

0% - 5% (2.5%)

The significant unobservable inputs used in the fair value measurement of the entity’s corporate bonds are the valuations 

of comparable securities with similar issuer, credit quality and maturity. Changes in the availability of comparable securities 
could result in changes in the fair value measurements.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

 3. Fair Value Measurement (continued)

The following tables (the Level 3 Tables) present summary information regarding changes in the fair value of assets and 
liabilities measured at fair value using Level 3 inputs, including financial instruments for which ProAssurance has elected fair 
value accounting.

December 31, 2012
Level 3 Fair Value Measurements – Assets

State and
Municipal
Bonds

$

7,200

Corporate
Debt
8,082

$

Asset-
backed
Securities
$

Investment in
Unconsolidated
Subsidiaries

— $

23,841

Other
Investments
$ 15,873

Total
$ 54,996

(In thousands)

Balance December 31, 2011
Total gains (losses) realized and unrealized:

Included in earnings, as a part of:

Net Investment Income
Equity in earnings of unconsolidated
subsidiaries
Net realized investment gains (losses)
Included in other comprehensive income

Purchases
Sales
Transfers in
Transfers out
Balance December 31, 2012
Change in unrealized gains (losses) included in
earnings for the above period for Level 3
assets held at period-end

$

$

—

14

—

—

—

14

—
—
—
—
(25)
—
—
7,175

—
10
611
3,136
(1,951)
9,220
(3,931)
$ 15,191

$

—
—
35
6,734
(1,118)
—
(1,616)
4,035

$

278
—
—
11,008
(1,388)
—
—
33,739

—
(131)
—
—
—
—
(15,742)

278
(121)
646
20,878
(4,482)
9,220
(21,289)
— $ 60,140

$

— $

— $

— $

278

$

(131) $

147

(In thousands)

Balance December 31, 2010

Total gains (losses) realized and unrealized:

Included in earnings, as a part of:

Equity in earnings of unconsolidated
subsidiaries

Net realized investment gains (losses)
Included in other comprehensive income

Purchases

Sales

Transfers in

Transfers out
Balance December 31, 2011

Change in unrealized gains (losses) included in
earnings for the above period for Level 3 assets
held at period-end

December 31, 2011

Level 3 Fair Value Measurements – Assets

State and
Municipal
Bonds

Corporate
Debt

Asset-
backed
Securities

Investment in
Unconsolidated
Subsidiaries

Other
Investments

Total

$

7,550

$ 21,229

$

2,220

$

25,112

$

— $ 56,111

—

—

—

—

(350)

—
—

$

7,200

$

—

—
(1,650)
—
(8,504)
6,587
(9,580)
8,082

—

314
(15)
1,684
(1,921)
—
(2,282)

(1,077)
—

—

—
(194)
—
—

$

— $

23,841

—
(318)
—

(1,077)
(4)
(1,665)
1,684
—
— (10,969)
22,778
— (11,862)
$ 54,996

16,191

$ 15,873

$

— $

— $

— $

(1,077) $

(318) $ (1,395)

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

3. Fair Value Measurement (continued)

Transfers

There were no transfers between the Level 1 and Level 2 categories during 2012 or 2011.

Transfers shown in the preceding Level 3 Tables are as of the end of the period and were to or from Level 2, unless 

otherwise noted.

The transfers of Other investments reported in the Level 3 Tables for 2012 and 2011 related to an interest in an LLC. The 

interest in the LLC, a cost method investment, was not carried at fair value at December 31, 2010. During 2011, the LLC 
announced a planned conversion to a public fund. Subsequent to the announcement, ProAssurance, through the recognition of 
OTTI, carried the LLC interest at fair value, based on the NAV provided by fund management; such valuation is considered to 
be in the Level 3 category. The LLC converted into a publicly traded investment fund during the second quarter of 2012 and the 
interest in the LLC was valued using Level 1 inputs at December 31, 2012.

All remaining transfers during 2012 and 2011 related to securities held for which there was little market activity for 
identical or nearly identical securities during the period. The securities were valued using multiple observable inputs when 
those inputs were available; otherwise the securities were valued using limited observable inputs.

(In thousands)

Balance December 31, 2011
Total (gains) losses realized and unrealized:

Included in earnings as a part of:

Net realized investment (gains) losses
Loss on extinguishment of debt

Settlements
Balance December 31, 2012
Change in unrealized (gains) losses included in earnings for the above
period for Level 3 liabilities outstanding at period-end

$

$

December 31, 2012

Level 3 Fair Value Measurements - Liabilities

2019 Note
Payable

Interest
rate swap
agreement

Total

$

14,180

$

4,659

$

18,839

769
2,163
(17,112)

— $

— $

476
—
(5,135)

— $

— $

1,245
2,163
(22,247)
—

—

(In thousands)

Balance December 31, 2010

Total (gains) losses realized and unrealized:

Included in earnings as a part of:

Net realized investment (gains) losses

Settlements

Balance December 31, 2011

Change in unrealized (gains) losses included in earnings for the above period
for Level 3 liabilities outstanding at period-end

December 31, 2011

Level 3 Fair Value Measurements - Liabilities

2019 Note
Payable

Interest
rate swap
agreement

Total

$

15,616

$

3,658

$

19,274

(1,112)
(324)
14,180

$

1,001
—

4,659

(1,112) $

1,001

$

$

(111)
(324)
18,839

(111)

$

$

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

3. Fair Value Measurement (continued)

Fair Value Option Elections

The 2019 Note Payable (the Note) and a related interest rate swap agreement (the Swap) were repaid in July 2012, as 
discussed in Note 10. Prior to repayment, both the Note and the Swap were measured at fair value on a recurring basis, with 
changes in the fair value of each liability recorded in net realized gains (losses). ProAssurance assumed both liabilities as part 
of a previous acquisition. The fair value option was elected for the Note and the Swap because valuation at fair value better 
reflected the economics of the related liabilities and eliminated the inconsistency that would have otherwise resulted from 
carrying the Note on an amortized cost basis and the Swap at fair value.

Financial Instruments - Methodologies Other Than Fair Value

The following table provides the estimated fair value of our financial instruments that, in accordance with GAAP for the 
type of investment, are measured using a methodology other than fair value. All fair values provided fall within the Level 3 fair 
value category.

Financial assets:

(In thousands)

Other Investments
Investment in Unconsolidated Subsidiaries

BOLI
Other Assets

Financial liabilities:

Revolving credit agreement
Trust Preferred Securities due 2034
Surplus Notes due May 2034
Note Payable due February 2012
Other Liabilities

December 31, 2012

December 31, 2011

Carrying
Value

Estimated
Fair
Value

Carrying
Value

Estimated
Fair
Value

$

31,085

$

38,656

$

87,310
52,414
11,400

$

$

125,000
—
—
—
12,130

91,528
52,414
11,385

125,000
—
—
—
12,085

$

22,351
87,483
52,651
9,636

$

— $

22,992
12,000
515
15,076

28,226
96,443
52,651
9,636

—
22,992
12,000
519
14,946

Other Investments listed in the table above include interests in certain investment fund LPs/LLCs accounted for using the 

cost method, investments in Federal Home Loan Bank (FHLB) common stock carried at cost, and an annuity investment 
carried at amortized cost. The estimated fair value of the LP/LLC interests is based on the NAV provided by the LP/LLC 
managers. The estimated fair value of the FHLB common stock is based on the amount ProAssurance would receive if its 
membership were canceled, as the membership cannot be sold. The fair value of the annuity is the present value of the expected 
future cash flows discounted using a rate available in active markets for similarly structured instruments.

Investment in Unconsolidated Subsidiaries consists of investments in tax credit partnerships and a non-controlling 
interest in a limited liability company. Fair values of investments in tax credit partnerships are based on the present value of the 
cash flows expected to be generated by the partnerships discounted at rates for investments with similar risk structures and 
repayment periods. The fair value of the LLC interest is estimated as the proceeds ProAssurance would receive upon 
liquidation of the LLC.

The fair value of the BOLI is the cash surrender value associated with the policies on the valuation date.

Other Assets and Other Liabilities primarily consist of related investment assets and liabilities associated with funded 

deferred compensation agreements. Other Liabilities also includes certain contractual liabilities related to prior business 
combinations. Fair values of the funded deferred compensation assets and liabilities are based on the NAVs of the underlying 
securities. The fair values of the business combination liabilities are based on the present value of the expected cash flows, 
discounted at ProAssurance’s assumed incremental borrowing rate on the valuation date for unsecured liabilities with similar 
repayment structures.

The fair value of the long-term debt is the present value of expected underlying cash flows of the debt, discounted at rates 
available on the valuation date for similar debt issued by entities with a similar credit standing to ProAssurance or, if issued by 
an insurance subsidiary, the subsidiary issuing the debt.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

4. Investments

Available-for-sale securities at December 31, 2012 and December 31, 2011 included the following:

Fixed maturities

(In thousands)

U.S. Treasury obligations
U.S. Government-sponsored enterprise obligations
State and municipal bonds
Corporate debt
Residential mortgage-backed securities
Agency commercial mortgage-backed securities
Other commercial mortgage-backed securities
Other asset-backed securities

Fixed maturities

(In thousands)

U.S. Treasury obligations
U.S. Government-sponsored enterprise obligations
State and municipal bonds
Corporate debt
Residential mortgage-backed securities
Agency commercial mortgage-backed securities
Other commercial mortgage-backed securities
Other asset-backed securities

Equity securities

Amortized
Cost

$

191,642
52,110
1,134,744
1,375,880
272,990
57,234
69,062
70,670
$ 3,224,332

Amortized
Cost

$

267,120
62,520
1,145,025
1,307,504
426,319
78,817
76,366
102,049
3,465,720
6
$ 3,465,726

$

$

$

$

December 31, 2012

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Estimated Fair
Value

14,266
4,837
85,329
96,187
17,070
2,255
5,049
1,203
226,196

$

$

(51)
—
(94)
(1,543)

(210) *
(25)
(5)
(601)
(2,529)

$

205,857
56,947
1,219,979
1,470,524
289,850
59,464
74,106
71,272
$ 3,447,999

December 31, 2011

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Estimated Fair
Value

16,748
5,584
83,568
68,105
27,171
2,800
4,881
1,277
210,134
19
210,153

$

$

(3)
—
(206)
(7,661)

(558) *
(87)
(59)
(1,517)
(10,091)

—   

283,865
68,104
1,228,387
1,367,948
452,932
81,530
81,188
101,809
3,665,763
25

$

(10,091)

$ 3,665,788  

* Includes other-than-temporary impairments recognized in accumulated other comprehensive income of $0.9 million at 

December 31, 2012 and $3.3 million at December 31, 2011.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

4. Investments (continued)

The recorded cost basis and estimated fair value of available-for-sale fixed maturities at December 31, 2012, by 
contractual maturity, are shown below. Actual maturities may differ from contractual maturities because borrowers may have 
the right to call or prepay obligations with or without call or prepayment penalties. 

(In thousands)

Fixed maturities, available for sale
U.S. Treasury obligations
U.S. Government-sponsored
enterprise obligations
State and municipal bonds
Corporate debt
Residential mortgage-backed
securities
Agency commercial mortgage-
backed securities
Other commercial mortgage-
backed securities
Other asset-backed securities

Amortized
Cost

Due in one
year or less

Due after
one year
through
five years

Due after
five years
through
ten years

Due after
ten years

Total Fair
Value

$ 191,642

$

31,677

$ 126,488

$

44,449

$

3,243

$ 205,857

52,110
1,134,744
1,375,880

272,990

57,234

69,062
70,670
$ 3,224,332

—
39,481
60,677

50,359
411,230
690,198

6,075
510,709
670,368

513
258,559
49,281

56,947
1,219,979
1,470,524

289,850

59,464

74,106
71,272
$ 3,447,999

Excluding investments in bonds and notes of the U.S. Government, U.S. Government-sponsored enterprise obligations or 
pre-refunded state and municipal bonds, which are 100% backed by U.S. Treasury obligations, no investment in any entity or its 
affiliates exceeded 10% of shareholders’ equity at December 31, 2012.

Securities with a carrying value of $24.1 million at December 31, 2012 were on deposit with various state insurance 
departments to meet regulatory requirements. ProAssurance also held securities with a carrying value of $196.2 million at 
December 31, 2012 that are pledged as collateral security for advances under the Revolving Credit Agreement (see Note 10).

Business Owned Life Insurance (BOLI)

ProAssurance holds BOLI policies on management employees that are carried at the current cash surrender value of the 
policies (original cost $33 million). The primary purpose of the program is to offset future employee benefit expenses through 
earnings on the cash value of the policies. ProAssurance is the owner and principal beneficiary of these policies.

Other Investments

Other Investments at December 31, 2012 and December 31, 2011 was comprised as follows:

(In millions)

December 31,
2012

December 31,
2011

Investments in LPs/LLCs, at cost
Investment in LLC, at NAV
FHLB capital stock, at cost
Other, principally an annuity, at amortized cost

$

$

25.1
—
4.3
1.7
31.1

$

$

16.2
15.9
4.4
1.7
38.2

FHLB capital stock is not marketable, but may be liquidated by terminating membership in the FHLB. The liquidation 

process can take up to five years.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

4. Investments (continued)

Unconsolidated Subsidiaries

ProAssurance holds investments in unconsolidated subsidiaries, accounted for under the equity method. The investments 

include the following:

(In millions)
Investment LPs/LLCs:

Tax credit partnerships
Long/Short equity fund
Non-public equity funds

$

Business LLC

December 31, 2012

Carrying Value

Unfunded
Commitments

Percentage
Ownership

December 31,
2012

December 31,
2011

20.5
—
43.5
—

< 20%
< 20%
< 20%
See Below

$

$

87.3
17.1
16.6
—
121.0

$

$

86.8
17.1
6.7
0.7
111.3

Tax credit partnerships interests held by ProAssurance generate investment returns by providing tax benefits to fund 
investors in the form of project operating losses and tax credits. The related properties are principally low income housing 
projects.

The Long/Short equity fund LP targets absolute returns using a strategy designed to take advantage of event-driven 

market opportunities.

The Non-public equity fund LPs hold diversified private equities and are structured to provide capital appreciation.

The Business LLC interest is a convertible preferred interest in a service-related business that began business operations 

in 2011. The preferred interest can be converted into a non-controlling common interest in May 2015, but conversion is not 
required. As of December 31, 2012 the carrying value of the interest was zero due to the recognition of losses incurred to-date 
by the LLC.

Investments Held in a Loss Position

The following tables provide summarized information with respect to investments held in an unrealized loss position at 

December 31, 2012 and December 31, 2011, including the length of time the investment had been held in a continuous 
unrealized loss position.

(In thousands)

Fixed maturities, available for sale
U.S. Treasury obligations
State and municipal bonds
Corporate debt
Residential mortgage-backed
securities
Agency commercial mortgage-
backed securities
Other commercial mortgage-
backed securities
Other asset-backed securities

Other investments

Investments in LPs/LLCs carried
at cost

Total

December 31, 2012
Less than 12 months

Fair
Value

Unrealized
Loss

Fair
Value

Unrealized
Loss

More than 12 months

Fair
Value

Unrealized
Loss

$

4,073
11,234
90,154

10,721

1,643

$

(51) $
(94)
(1,543)

$

4,073
9,232
81,878

(51) $
(65)
(1,377)

(210)

10,029

(205)

— $

2,002
8,276

692

(25)

498

(2)

1,145

2,100
10,746
$ 130,671

$

(5)
(601)

1,103
7,707
(2,529) $ 114,520

$

(1)
(20)
(1,721) $

997
3,039
16,151

$

—
(29)
(166)

(5)

(23)

(4)
(581)
(808)

$

9,474

$

(851) $

8,697

$

(688) $

777

$

(163)

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

4. Investments (continued)

(In thousands)

Fixed maturities, available for sale
U.S. Treasury obligations
State and municipal bonds
Corporate debt
Residential mortgage-backed
securities
Agency commercial mortgage-
backed securities

Other commercial mortgage-backed
securities

Other asset-backed securities

Other investments

Investments in LPs/LLCs carried at
cost

Total

Fair

Value

Unrealized

Loss

December 31, 2011

Less than 12 months
Fair

Unrealized

More than 12 months
Fair

Unrealized

Value

Loss

Value

Loss

$

8,379
9,743
205,605

$

(3) $

(206)
(7,661)

$

8,379
7,143
194,057

(3) $
(10)
(6,691)

— $

2,600
11,548

33,605

(558)

31,213

(349)

2,392

8,433

(87)

4,682

(47)

3,751

—
(196)
(970)

(209)

(40)

4,086
26,518
$ 296,369

$

(59)
3,143
(1,517)
21,282
(10,091) $ 269,899

$

(2)
(123)
(7,225) $

943
5,236
26,470

$

(57)
(1,394)
(2,866)

$

4,198

$

(984) $

3,815

$

(856) $

383

$

(128)

As of December 31, 2012, there were 142 debt securities (5.7% of all available-for-sale fixed maturity securities held) in 

an unrealized loss position representing 131 issuers. The single greatest unrealized loss position was approximately $0.6 
million; the second greatest unrealized loss position was approximately $0.2 million. The securities were evaluated for 
impairment as of December 31, 2012.

As of December 31, 2011, there were 251 debt securities (9.6% of all available-for-sale fixed maturity securities held) in 
an unrealized loss position representing 224 issuers. The single greatest unrealized loss position approximated $1.2 million; the 
second greatest unrealized loss position approximated $1.0 million. The securities were evaluated for impairment as of 
December 31, 2011.

Each quarter, ProAssurance performs a detailed analysis for the purpose of assessing whether any of the securities it holds 

in an unrealized loss position have suffered an other-than-temporary impairment in value. A detailed discussion of the factors 
considered in the assessment is included in Note 1.

Fixed maturity securities held in an unrealized loss position at December 31, 2012, excluding asset-backed securities, 
have paid all scheduled contractual payments and are expected to continue doing so. Expected future cash flows of asset-backed 
securities held in an unrealized loss position were estimated as part of the December 31, 2012 impairment evaluation using the 
most recently available six-month historical performance data for the collateral (loans) underlying the security or, if historical 
data was not available, sector based assumptions, and equaled or exceeded the current amortized cost basis of the security. 

Net Investment Income

Net investment income by investment category was as follows:

(In thousands)

2012

2011

2010

Fixed maturities
Equities
Short-term investments
Other invested assets
Business owned life insurance

Investment fees and expenses
Net investment income

$

$

133,088
6,947
132
528
2,008
142,703
(6,609)
136,094

$

$

140,897 $
1,808
100
2,712
2,017
147,534
(6,578)
140,956 $

146,036
797
417
3,145
1,617
152,012
(5,632)
146,380  

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

4. Investments (continued)

Net Realized Investment Gains (Losses)

The following table provides detailed information regarding net realized investment gains (losses):

(In thousands)

2012

2011

2010

Total other-than-temporary impairment losses:

Residential mortgage-backed securities
Corporate debt

Other investments
High yield asset-backed securities

Portion recognized in (reclassified from) Other Comprehensive Income:

Residential mortgage-backed securities

Net impairment losses recognized in earnings

Gross realized gains, available-for-sale securities

Gross realized (losses), available-for-sale securities

Net realized gains (losses), trading securities

Change in unrealized holding gains (losses), trading securities

Decrease (increase) in the fair value of liabilities carried at fair value

Other

$

(557) $
(878)
(131)
—

(782) $
(505)
(3,827)
(75)

(1,487)
—
(3,373)
(9,515)

(201)
(1,767)
18,645
(2,076)
1,485

12,673
(1,245)
1,148

(823)
(6,012)
14,625
(1,754)
2,212
(3,188)
111

—

(1,474)
(15,849)
30,433
(628)
6,630
(1,542)
(1,902)
200

Net realized investment gains (losses)

$

28,863

$

5,994

$

17,342

ProAssurance recognized impairment losses related to certain residential mortgage-backed securities in 2012, 2011 and 

2010 because carrying values for those securities were greater than the future cash flows expected to be received from the 
securities. 

ProAssurance recognized impairments related to corporate debt securities in 2012 and 2011 because the credit standing of 

the issuers had deteriorated.

ProAssurance recognized impairments in 2012, 2011 and 2010 related to an interest in an LLC, accounted for using the 

cost method, that was classified as a part of Other Investments. In 2011, the LLC announced a plan to convert to a publicly 
traded investment fund, and OTTI was recognized in subsequent periods in order to carry the interest at the NAV reported by 
the fund. The conversion occurred in 2012. In 2010, the LLC reported realized losses on the sale of securities, and 
ProAssurance reduced the carrying value of its interest in the LLC in recognition of its pro rata share of those losses.

ProAssurance recognized impairments in 2010 related to certain high-yield securities that management intended to sell.

The following table presents a roll forward of cumulative credit losses recorded in earnings related to impaired debt 

securities for which a portion of the other-than-temporary impairment was recorded in Other Comprehensive Income.

Balance beginning of period
Additional credit losses recognized during the period, related to securities for which:

(In thousands)

No OTTI has been previously recognized
OTTI has been previously recognized

Reductions due to:

Securities sold during the period (realized)

Securities which will be sold in coming periods

Balance December 31

2012

2011

2010

$

5,870

$

4,446 $

2,068

—
268

(2,837)
—

—
1,424

—
—

$

3,301

$

5,870 $

69
5,720

—
(3,411)
4,446

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

4. Investments (continued)

Other information regarding sales and purchases of available-for-sale securities is as follows:

(In millions)

2012

2011

2010

Proceeds from sales (exclusive of maturities and paydowns)
Purchases

$
$

621.1
646.2

$
$

449.6 $
782.6 $

718.3
850.0

5. Reinsurance

ProAssurance has various excess of loss, quota share, and cession reinsurance agreements in place. Historically, the 

professional liability per claim retention level has varied between 90% and 100% of the first $1 million and between 0% and 
5% of claims exceeding those levels depending on the coverage year and the state in which business was written. ProAssurance 
also insures some large professional liability risks that are above the limits of its basic reinsurance treaties. These risks are 
reinsured on a facultative basis, whereby the reinsurer agrees to insure a particular risk up to a designated limit.

The effect of reinsurance on premiums written and earned was as follows (in thousands):

Direct
Assumed
Ceded
Net premiums

2012 Premiums

2011 Premiums

2010 Premiums

Written
536,318
113
(8,133)
528,298

$

$

Earned
558,200
116
(7,652)
550,664

$

$

$

$

Written
565,746
149
(7,388)
558,507

$

$

Earned
570,891
154
(5,630)
565,415

Written
533,112
93
(27,798)
505,407

$

$

$

$

Earned
548,897
58
(29,848)
519,107

The receivable from reinsurers on unpaid losses and loss adjustment expenses represents Management’s estimate of 
amounts that will be recoverable under ProAssurance reinsurance agreements. These estimates are based upon Management’s 
expectation of ultimate losses and the portion of those losses that are allocable to reinsurers according to the terms of the 
agreements. Given the uncertainty of the ultimate amounts of losses, Management’s estimates of losses and related amounts 
recoverable may vary significantly from the eventual outcome. Also, premiums ceded under reinsurance agreements wherein 
the premium due to the reinsurer, subject to certain maximums and minimums, is based in part on losses reimbursed or to be 
reimbursed under the agreement, and will thus vary when loss estimates are revised. During the years ended December 31, 
2012 and 2011 ProAssurance reduced premiums ceded by $34.3 million and $30.6 million, respectively, due to changes in 
Management’s estimates of amounts due to reinsurers related to prior accident year loss recoveries.

Reinsurance contracts do not relieve ProAssurance from its obligations to policyholders and ProAssurance remains liable 

to its policyholders whether or not reinsurers honor their contractual obligations to ProAssurance. ProAssurance continually 
monitors its reinsurers to minimize its exposure to significant losses from reinsurer insolvencies.

At December 31, 2012, $81.6 million of the total amounts due from reinsurers of $164.0 million (including receivables 

related to paid and unpaid losses and LAE and prepaid reinsurance premiums, less reinsurance premiums payable) was due 
from four reinsurers which had an individual balance which exceeded $10 million. Each of these reinsurers had an A.M. Best 
credit rating of A or above.

At December 31, 2012 and 2011 ProAssurance had no allowance for credit losses related to its reinsurance receivables. 

During the years ended December 31, 2012 and 2011 no reinsurance balances were written off for credit reasons.

At December 31, 2012, all reinsurance recoverables were considered collectible. Reinsurance recoverables totaling 

approximately $14 million were collateralized by letters of credit or funds withheld. At December 31, 2012 no amounts due 
from individual reinsurers exceeded 5% of shareholders’ equity.

During 2011, ProAssurance commuted (terminated) various outstanding reinsurance agreements for approximately $4.3 

million in cash. The commutations reduced Receivable from Reinsurers on Paid Losses and Receivable from Reinsurers on 
Unpaid Losses, combined, by approximately $4.0 million (net of cash received) and reduced Reinsurance Premiums Payable by 
approximately $5.6 million.

There were no significant reinsurance commutations in 2012 or 2010.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

6. Income Taxes

Deferred income taxes reflect the net tax effects of temporary differences between the amount of assets and liabilities for 
financial reporting purposes and the amounts used for income tax purposes. Significant components of ProAssurance’s deferred 
tax assets and liabilities were as follows:

(In thousands)

2012

2011

Deferred tax assets

Unpaid loss discount
Unearned premium adjustment
Compensation related
Basis differences–investments
Intangibles

Total deferred tax assets
Deferred tax liabilities

Deferred acquisition costs
Unrealized gains on investments, net
Fixed assets
Basis differences–investments
Intangibles
Other

Total deferred tax liabilities
Net deferred tax assets (liabilities)

$

$

$

57,811
20,497
14,634
—
2,214
95,156

8,112
78,284
5,630
3,029
14,311
375
109,741
(14,585) $

81,673
21,368
14,770
10,681
2,606
131,098

9,319
70,022
5,439
—
13,048
2,281
100,109
30,989

In evaluating the need for a valuation allowance on deferred tax assets, management determined that assets related to 

capital losses on investments would be realized through a tax planning strategy of selling investments with built in gains.

A valuation allowance of $0.9 million that was established in 2009 related to deferred tax assets acquired in the PICA 

acquisition was released in 2010. ProAssurance has begun realizing the benefit of these deferred tax assets, and Management 
believes that sufficient sources of taxable income will be available in the future to allow realization of the currently remaining 
deferred tax assets.

At December 31, 2012, ProAssurance has no available net operating loss (NOL) carryforwards, capital loss 

carryforwards, or Alternative Minimum Tax (AMT) credit carryforwards. ProAssurance files income tax returns in the U.S. 
federal jurisdiction and various states.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

6. Income Taxes (continued)

The Internal Revenue Service (IRS) has completed an examination of the Company’s 2005 through 2008 returns (the 

2005-2008 exam). The 2005-2008 exam resulted in delaying the deductibility of certain bonus compensation which increased 
taxes due for the 2007 and 2008 tax years but decreased taxes due for the 2009 tax year by an offsetting amount, the effect of 
which had previously been recorded as an uncertain tax position. The 2005-2008 exam resulted in no adjustment to tax expense 
(exclusive of interest accruals) and no penalties or fines. Upon finalization of the 2005-2008 exam, uncertain tax positions 
totaling $8.3 million were deemed effectively settled and were reversed (along with approximately $0.3 million of related 
accrued interest) in the first quarter of 2011. 

The IRS has preliminarily concluded an examination of the 2009 and 2010 returns and has issued a Notice of Proposed 

Adjustment (NOPA) for these years which would increase our current tax liability by approximately $130 million. 
ProAssurance is protesting the IRS position and is unable to reliably predict the timing of the final resolution or the ultimate 
outcome. The contested issues affect only the timing of when certain expense items are deductible for tax and resolution of the 
NOPA would have no effect on our recorded tax expense, exclusive of interest found to be due on past-due taxes, if any.

Except for the 2006 tax year, the statutes of limitation are closed for all years prior to 2008. The statute for the 2006 tax 

year, as well as the 2009 and 2010 tax year, was extended until September 30, 2014.

A reconciliation of the beginning and ending amounts of unrecognized tax benefits for 2012 and 2011 was as follows:

(In thousands)

2012

2011

Balance at January 1
Increases/(decreases) for tax positions taken during the current year
Increases/(decreases) for tax positions taken during the prior years
(Decreases) relating to settlements with taxing authorities
Balance at December 31

$

$

18,585
(10,206)
(3,556)
—
4,823

$

$

8,344
—
18,585
(8,344)
18,585  

ProAssurance's provision for uncertain tax positions at both December 31, 2012 and December 31, 2011 relates entirely 

to the timing of deductions. Changes to the provision recognized in current taxes during 2012 and 2011 were offset by the 
recognition of a like but opposite change to deferred taxes. Unrecognized tax benefits at December 31, 2012, if recognized, 
would not affect the effective tax rate but would accelerate the payment of tax. As with any uncertain tax position, there is a 
possibility that the ultimate deduction recognized could differ from the provision established by ProAssurance. Management 
does not expect any material changes to the Company’s liability (other than interest accruals) during the next twelve months.

ProAssurance recognizes interest and/or penalties related to income tax matters in income tax expense. Interest 
recognized in the income statement approximated $0.5 million, $0.8 million and $0.4 million during the years ended 
December 31, 2012, 2011 and 2010, respectively. The accrued liability for interest approximated $1.4 million and $0.9 million 
at December 31, 2012 and 2011, respectively.

A reconciliation of “expected” income tax expense (35% of income before income taxes) to actual income tax expense in 

the accompanying financial statements follows:

(In thousands)

2012

2011

2010

Computed “expected” tax expense
Tax-exempt income
Tax credits
Other
Total

$

$

138,588
(14,374)
(10,005)
6,287
120,496

$

$

145,109
(13,793)
(5,654)
1,840
127,502

$

$

116,437
(15,048)
(1,000)
690
101,079

7. Deferred Policy Acquisition Costs

Policy acquisition costs, most significantly commissions, premium taxes, and underwriting salaries, that are primarily and 

directly related to the successful production of new and renewal insurance contracts are capitalized as policy acquisition costs 
and amortized to expense as the related premium revenues are earned.

As discussed in Note 1, revised FASB guidance effective January 1, 2012 requires that policy acquisition costs related to 

unsuccessful contracts be expensed immediately. ProAssurance adopted the revised guidance on a prospective basis. Under

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

7. Deferred Policy Acquisition Costs (continued)

prior guidance, policy acquisition costs capitalized during the year ended December 31, 2012, would have been $57.8 million 
as compared to $53.6 million capitalized under the current guidance.

Amortization of deferred policy acquisition costs was $57.0 million, $59.6 million and $58.9 million for the years ended 

December 31, 2012, 2011 and 2010, respectively.

8. Reserve for Losses and Loss Adjustment Expenses

The reserve for losses is established based on estimates of individual claims and actuarially determined estimates of 

future losses based on ProAssurance’s past loss experience, available industry data and projections as to future claims 
frequency, severity, inflationary trends and settlement patterns. Estimating reserves, and particularly liability reserves, is a 
complex process. Claims may be resolved over an extended period of time, often five years or more, and may be subject to 
litigation. Estimating losses for liability claims requires ProAssurance to make and revise judgments and assessments regarding 
multiple uncertainties over an extended period of time. As a result, reserve estimates may vary significantly from the eventual 
outcome. The assumptions used in establishing ProAssurance’s reserves are regularly reviewed and updated by management as 
new data becomes available. Changes to estimates of previously established reserves are included in earnings in the period in 
which the estimate is changed.

ProAssurance believes that the methods it uses to establish reserves are reasonable and appropriate. Each year, 

ProAssurance uses internal actuaries to review the reserve for losses of each insurance subsidiary. ProAssurance also engages 
consulting actuaries to review ProAssurance claims data and provide observations regarding cost trends, rate adequacy and 
ultimate loss costs. ProAssurance considers the views of the actuaries as well as other factors, such as known, anticipated or 
estimated changes in frequency and severity of claims and loss retention levels and premium rates, in establishing the amount 
of its reserve for losses. The statutory filings of each insurance company with the insurance regulators must be accompanied by 
an external actuary's certification as to their respective reserves in accordance with the requirements of the NAIC.

Activity in the reserve for losses and loss adjustment expenses is summarized as follows:

(In thousands)

2012

2011

2010

Balance, beginning of year

Less reinsurance recoverables

Net balance, beginning of year

Net reserves acquired from acquisitions

Net losses:

Current year

Favorable development of reserves established in prior
years, net

Total

Paid related to:

Current year

Prior years

Total paid

Net balance, end of year

Plus reinsurance recoverables

Balance, end of year

$

2,247,772

$

2,414,100

$

247,658

2,000,114

22,464

277,436

2,136,664

—

2,422,230

262,659

2,159,571

82,225

451,951

488,152

455,105

(272,038)
179,913

(38,439)
(300,703)
(339,142)
1,863,349

191,645

(325,865)
162,287

(34,240)
(264,597)
(298,837)
2,000,114

247,658

$

2,054,994

$

2,247,772

$

(233,990)
221,115

(34,593)
(291,654)
(326,247)
2,136,664

277,436

2,414,100

As discussed in Note 1, estimating liability reserves is complex and requires the use of many assumptions. As time passes 
and ultimate losses for prior years are either known or become subject to a more precise estimation, ProAssurance increases or 
decreases the reserve estimates established in prior periods. The favorable development recognized in 2012 primarily reflects a 
lower than anticipated claims severity trend for accident years 2004 through 2009. The favorable development recognized in 
2011 and 2010 was primarily due to lower than anticipated claims severity trends for accident years 2004 through 2008 and 
accident years 2003 through 2007, respectively. Actuarial evaluations of both internal and industry actual claims data in 2012, 
2011 and 2010 all indicated that claims severity (i.e. the average size of a claim) is increasing more slowly than was anticipated 
when the reserves for 2003 through 2009 were initially established.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

9. Commitments and Contingencies

ProAssurance is involved in various legal actions related to insurance policies and claims handling including, but not 
limited to, claims asserted by policyholders. These types of legal actions arise in the Company’s ordinary course of business 
and, in accordance with GAAP for insurance entities, are considered as a part of the Company’s loss reserving process, which is 
described in detail under “Accounting Policies – Losses and Loss Adjustment Expenses” in Note 1.

ProAssurance has commitments primarily related to non-public investment entities totaling approximately $103.4 million, 

expected to be paid as follows: $60.1 million within one year, $42.5 million within one to three years, and $0.8 million within 
three to five years.

ProAssurance is involved in a number of operating leases primarily for office space and office equipment. The following 
is a schedule of future minimum lease payments for operating leases that had initial or remaining non-cancelable lease terms in 
excess of one year as of December 31, 2012.

2013

2014

2015

2016

Thereafter

Operating Leases

(In thousands)

$

2,710

2,472

2,085

1,890

7,164

Total minimum lease payments

$

16,321

ProAssurance incurred rent expense of $2.7 million, $3.4 million and $3.3 million in the years ended December 31, 2012, 

2011 and 2010, respectively.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

10. Long-term Debt

ProAssurance’s outstanding long-term debt consisted of the following:

Trust Preferred Securities due 2034, unsecured, interest at a variable rate of LIBOR plus
3.85%, reset quarterly. Note repaid in August 2012 at no gain or loss.

Surplus Notes due May 2034, unsecured, interest at a variable rate of LIBOR plus 3.85%, reset
quarterly. Note repaid in August 2012 at no gain or loss.

Note Payable due February 2019 (the 2019 Note), interest at a variable rate of LIBOR plus
0.7%, carried at fair value, monthly principal payments required, outstanding principal at
December 31, 2011 of $17.1 million. Outstanding principal repaid in July 2012. A loss of $2.2
million was recognized on the extinguishment.

Note Payable due February 2012. Note was repaid in February 2012.
Revolving Credit Agreement, expires in 2016. Borrowing at December 31, 2012 carries an
interest rate of 0.81% until March 31, 2013 when the rate will be redetermined. Secured by
investments, see Note 4.

(In thousands)

December 31,
2012

December 31,
2011

$

— $

22,992

—

12,000

—

—

14,180
515

125,000

—

$

125,000

$

49,687

Revolving Credit Agreement

On April 15, 2011, ProAssurance entered into a revolving credit agreement (the “Agreement”) with five participating 

lenders. In September 2012, the agreement was amended and the expiration date extended to April 15, 2016. The Agreement 
permits ProAssurance to borrow, repay and reborrow from the lenders during the term of the Agreement; aggregate outstanding 
borrowings are not permitted to exceed $150 million at any time. All borrowings are required to be repaid prior to the 
expiration date of the Agreement. ProAssurance is required to pay a commitment fee on the average unused portion of the credit 
line during the term of the Agreement. The commitment fee can range from 15 to 30 basis points based on ProAssurance’s 
credit ratings and is set at 20 basis points at December 31, 2012. Borrowings under the agreement may be secured or unsecured 
and accrue interest at a base rate, adjusted by a specified margin. ProAssurance is permitted to select either the then current one, 
three or six month LIBOR rate, with the LIBOR term selected fixing the interest period for which the rate is effective. If 
LIBOR is not selected, the base rate defaults to the highest of (1) the Prime rate (2) the Federal Funds rate plus 50 basis points 
or (3) the one month LIBOR rate plus 100 basis points, determined daily. Rates are reset each successive interest period until 
the borrowing is repaid. The margin adjustment can vary from 0 to 188 basis points, depending upon ProAssurance’s credit 
rating and whether the borrowing is secured or unsecured.  

The Agreement contains customary representations, covenants and events constituting default, and remedies for default. 

Additionally, the Agreement carries the following financial covenants:

(1)  ProAssurance is not permitted to have a leverage ratio of Consolidated Funded Indebtedness (principally, obligations for 
borrowed money, obligations evidenced by instruments such as notes or acceptances, standby and commercial Letters of 
Credit, and contingent obligations) to Consolidated Total Capitalization (principally, total non-trade liabilities on a 
consolidated basis plus consolidated shareholders’ equity, exclusive of accumulated other comprehensive income) 
greater than 0.35 to 1.0, determined at the end of each fiscal quarter.

(2)  ProAssurance is required to maintain a minimum net worth of not less than the sum of 75% of Consolidated Net Worth 
(consolidated shareholders’ equity, exclusive of accumulated other comprehensive income) at December 31, 2010, plus 
50% of consolidated net income earned each fiscal quarter, if positive, beginning with the quarter ending March 31, 
2011, plus 100% of net cash proceeds resulting from the issuance of ProAssurance capital stock.

Funds borrowed under the terms of the Revolving Credit Agreement will be used for general corporate purposes, 
including, but not limited to, use as short-term working capital, funding for share repurchases as authorized by the Board, and 
for support of other activities ProAssurance enters into in the normal course of business.

On December 24, 2012, ProAssurance borrowed $125 million under the Agreement on a secured basis to partially fund 

the acquisition of Medmarc (see Note 2).

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

10. Long-term Debt (continued)

Future maturities of the Agreement as of December 31, 2012 are as follows:

2013

2014

2015

2016

2017

Thereafter

$

—

$

—

$

—

$

125,000

$

—

$

—

(In thousands)

Covenant Compliance

ProAssurance is currently in compliance with all covenants.

Interest Rate Swap Termination

A interest rate swap related to the 2019 Note was terminated for $5.1 million at the time the 2019 Note was repaid. The 
liability for the Swap, which was carried at fair value as a part of other liabilities, approximated $4.7 million at December 31, 
2011.

11. Shareholders’ Equity

At December 31, 2012 and 2011, ProAssurance had 100 million shares of authorized common stock and 50 million shares 

of authorized preferred stock. The Board has the authority to determine provisions for the issuance of preferred shares, 
including the number of shares to be issued, the designations, powers, preferences and rights, and the qualifications, limitations 
or restrictions of such shares. To date, the Board has not approved the issuance of preferred stock.

The Board declared a two-for-one stock split effected December 27, 2012 in the form of a stock dividend; treasury shares 
were reissued to provide 7.7 million of the shares needed for the split. In 2012, the Board declared a quarterly cash dividend of 
$0.25 per common share and a special dividend of $2.50 per share in the fourth quarter period, and declared a quarterly cash 
dividend of $0.125 per common share for each of the other quarter periods. Dividends declared in 2012 totaled $192.5 million; 
all were paid in 2012. During 2011, the Board declared a quarterly cash dividend of $0.125 per common share each quarter for 
each of the third and fourth quarter periods. Dividends declared in 2011 totaled $15.3 million; $7.6 million of which was paid in 
2011 and $7.7 million in January 2012.

At December 31, 2012, approximately 2.5 million of ProAssurance's authorized common shares were reserved by the 

Board for award or issuance under incentive compensation plans as described in Note 12. Additionally, at December 31, 2012 
approximately 0.9 million of ProAssurance's authorized common shares were reserved by the Board for the issuance of 
outstanding restricted share and performance share units and for the exercise of outstanding stock options. As of December 31, 
2012, prior Board authorizations of $135.1 million for the repurchase of common shares or the retirement of outstanding debt 
remained available for use. The timing and quantity of purchases depends upon market conditions and changes in 
ProAssurance's capital requirements and is subject to limitations that may be imposed on such purchases by applicable 
securities laws and regulations, and the rules of the New York Stock Exchange.

ProAssurance used approximately $52.5 million of the authorization to redeem debt during the year ended December 31, 

2012 (see Note 10). 

ProAssurance did not repurchase any common shares during the year ended December 31, 2012. ProAssurance 

repurchased approximately 0.7 million and 3.7 million common shares, having a total cost of $21.0 million and $106.3 million, 
during the years ended December 31, 2011 and 2010, respectively. During 2012 and 2011, approximately 23,000 and 18,000 
treasury shares, respectively, having a fair value of approximately $1.0 million and $0.7 million, respectively, were reissued to 
the ProAssurance Corporation 2011 Employee Stock Ownership Plan participant accounts.     

ProAssurance issued approximately 37,000, 40,000 and 81,000 common shares to employees in February 2012, 2011 and 
2010, respectively, as bonus compensation, as approved by the Compensation Committee of the Board. The shares issued were 
valued at fair value (the market price of a ProAssurance common share on the date of award).

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

11. Shareholders’ Equity (continued)

Other Comprehensive Income

For all periods presented, other comprehensive income was comprised of unrealized gains and losses, including non-

credit impairment losses, arising during the period related to available-for-sale securities less reclassification adjustments for 
gains (losses) from available-for-sale securities recognized in current period net income (net of tax). Accumulated other 
comprehensive income was comprised entirely of unrealized gains and losses from available for sale securities, net of tax.

Reclassification adjustments related to available-for-sale securities for the years ended December 31, 2012, 2011 and 

2010 were as follows:

(In thousands)

2012

2011

2010

Net realized investment gains (losses) included in the
calculation of net income
Tax effect (at 35%)

Net realized investment gains (losses) reclassified from
other comprehensive income

$

$

$

14,933
(5,227)

$

10,686
(3,740)

17,329
(6,065)

9,706

$

6,946

$

11,264

12. Share-Based Payments

Share-based compensation costs are primarily classified as underwriting, policy acquisition and operating expenses.

Since the beginning of 2009, ProAssurance has provided share-based compensation to employees under the ProAssurance 

Corporation 2008 Equity Incentive Plan. Previously, compensation was provided under the ProAssurance Corporation 2004 
Equity Incentive Plan (2005 to 2008) and the ProAssurance Corporation Incentive Compensation Stock Plan (prior to 2005). 
The Compensation Committee of the Board is responsible for the administration of all three plans.

ProAssurance has provided share-based compensation to employees utilizing four types of awards: stock options, 

restricted share units, performance share units and purchase match units. The following table provides a summary of 
compensation expense and compensation cost that will be charged to expense in future periods, by award type, and the total 
related tax benefit recognized during each period.

Share-Based
Compensation Expense

Year Ended December 31

Unrecognized Compensation Cost

December 31, 2012

Stock Options
Restricted Share Units
Performance Share Units
Purchase Match Units
Total share-based compensation expense
Tax benefit recognized

$

$

$

2012

2011

2010

Amount

— $
1.6
6.7
0.3
8.6

(In millions)
0.1
1.3
5.6
0.1
7.1
2.5

$
$

3.0

(In millions)
—
$
2.0
9.3
1.2
12.5

$

$

$
$

0.4
0.7
5.0
—
6.1
2.1

Remaining
Recognition Period

(Weighted average years)
NA
1.8
1.8
2.5

All awards are charged to expense as an increase to equity over the service period (generally the vesting period) 
associated with the award. Except for stock options, which are separately described below, awards vest in their entirety at the 
end of a three-year period following the grant date based on a continuous service requirement and, for performance share units, 
achievement of a performance objective. Partial vesting is permitted for retirees. A ProAssurance common share is issued for 
each restricted, performance or purchase match unit once vesting requirements are met, except that units sufficient to satisfy 
required tax withholdings are paid in cash.

On December 27, 2012 ProAssurance paid a special dividend of $2.50 per common share and effected a two-for-one split.  

Thereafter, the Compensation Committee adjusted outstanding awards and options so as to put award holders in the same 
economic position after split and the dividend as before. No compensation resulted from the adjustments because there was no 
change to the intrinsic value of the awards. The following tables reflect award activity as if the adjustments had occurred at the 
beginning of the earliest period presented.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

12. Share-Based Payments (continued)

Stock Options

ProAssurance’s stock options generally vest in five equal installments, the first installment occurring six months after the 

grant date and the other installments occurring annually thereafter. All options are granted with an exercise price equal to the 
market price of a ProAssurance common share on the date of grant, and an original term of ten years. ProAssurance option 
agreements permit cashless exercise whereby the exercise price and any required tax withholdings are allowed to be satisfied by 
the retention of shares that would otherwise be deliverable to the option holder. ProAssurance issues new shares for options 
exercised.

Activity for stock options during 2012, 2011 and 2010 is summarized below.

Outstanding, beginning of year

Granted
Exercised
Forfeited or expired
Outstanding at end of year
Exercisable at end of year

Outstanding at end of year,
vested or expected to vest

2012

2011

2010

Weighted
Average
Exercise
Price

22.76
—
22.75
25.67
23.15

23.15

$

Options
1,014,661
—
(994,148)
(211)
20,302

20,302

Weighted
Average
Exercise
Price

21.85
—
19.61
25.36
22.76
22.59

$

Options
1,430,105
—
(412,695)
(2,749)
1,014,661
959,889

$

Options
2,031,754
—
(601,649)
—
1,430,105
1,258,492

20,302

23.15

1,014,064

22.75

1,427,301

Weighted
Average
Exercise
Price

20.17
—
16.18
—
21.85
21.40

21.85

The aggregate grant date fair value of options vested during the years ended December 31, 2012, 2011 and 2010 was $0.9 

million, $0.9 million and $1.3 million, respectively. The aggregate intrinsic value of options exercised during 2012, 2011 and 
2010 was $19.8 million, $5.8 million and $7.7 million, respectively. ProAssurance outstanding options were all vested as of 
December 31, 2012 and had an aggregate intrinsic value of $0.4 million and a weighted average remaining contractual term of 
3.73 years. There were no cash proceeds from options exercised during the years ended December 31, 2012, 2011 or 2010.

Restricted Share Units

Activity for restricted share units during 2012, 2011 and 2010 is summarized below. Grant date fair values are based on 

the market value of a ProAssurance common share on the date of grant.

Beginning non-vested balance

Granted
Forfeited
Vested and released
Ending non-vested balance

2012

2011

2010

$

Weighted
Average
Grant Date
Fair Value
25.52
42.22
35.23
22.61
31.94

Units
167,236
51,864
(2,823)
(59,065)
157,212

Weighted
Average
Grant Date
Fair Value

23.88
29.27
25.38
22.56
25.52

$

Units
120,478
52,256
(5,075)
(423)
167,236

Weighted
Average
Grant Date
Fair Value

22.56
25.21
22.56
—
23.88

$

Units
60,937
59,964
(423)
—
120,478

The aggregate grant date fair value of restricted share units totaled $2.2 million, $1.5 million and $1.5 million in 2012, 

2011 and 2010, respectively.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

12. Share-Based Payments (continued)

Performance Share Units

Performance share units vest only if minimum performance objectives are met, and the number of units earned varies 

from 75% to 125% of a base award depending upon the degree to which stated performance objectives are achieved. 
Performance share unit activity for 2012, 2011 and 2010 is summarized below. The table reflects the base award units and does 
not include potential increases or decreases that may ultimately be paid based on the actual achievement of performance 
objectives. Grant date fair values are based on the market value of a ProAssurance common share on the date of grant.

Beginning non-vested balance

Granted
Forfeited
Vested

Ending non-vested balance
Common shares issued due to
vesting of awards

2012

2011

2010

Weighted
Average
Grant Date
Fair Value

26.36
42.22
31.44
23.13
33.21

$

Base Units

522,599
212,205
(20,492)
(161,895)
552,417

114,884

Weighted
Average
Grant Date
Fair Value

24.56
30.30
26.28
25.61
26.36

$

Base Units

493,661
196,186
(15,804)
(151,444)
522,599

112,822

Weighted
Average
Grant Date
Fair Value

24.20
25.21
25.42
24.31
24.56

$

Base Units

448,944
201,780
(5,498)
(151,565)
493,661

115,130

The aggregate grant date fair value of performance share units (base level) granted in 2012, 2011 and 2010 totaled $9.0 

million, $5.9 million and $5.1 million, respectively. The aggregate intrinsic value of vested performance share units paid to 
employees in 2012, 2011 and 2010 (including units paid in cash to cover tax withholdings) totaled $7.2 million, $5.3 million 
and $4.9 million, respectively. The vested units were issued at the maximum level (125%) based on performance levels 
achieved.

Purchase Match Units

On December 1, 2010, the Board, on the recommendation of the Compensation Committee, terminated the Amended and 

Restated ProAssurance Corporation Stock Ownership Plan and adopted the ProAssurance Corporation 2011 Employee Stock 
Ownership Plan (the 2011 Plan). The 2011 Plan provides a purchase match unit for each share purchased with contributions by 
eligible plan participants, limited to $5,000 annually per participant.

Purchase match unit activity during 2012 and 2011 is summarized below. Grant date fair values are based on the market 

value of a ProAssurance common share on the date of grant.

Beginning non-vested balance

Granted
Forfeited
Vested and released
Ending non-vested balance

2012

2011

$

Weighted
Average
Grant  Date
Fair Value
36.20
42.59
37.72
36.20
39.85

Units
18,900
23,799
(1,610)
(104)
40,985

Weighted
Average
Grant  Date
Fair Value

—
36.20
36.20
—
36.20

Units

— $

19,016
(116)
—
18,900

The aggregate grant date fair value of purchase match units totaled $1.0 million and $0.7 million in 2012 and 2011, 

respectively.

13. Variable Interest Entities

ProAssurance holds passive interests in a number of entities that are considered to be Variable Interest Entities (VIEs) 
under GAAP guidance. ProAssurance's VIE interests include 1) interests in LPs/LLCs formed for the purpose of achieving 
diversified equity and debt returns and 2) a limited liability interest in a development stage business operation. ProAssurance 
VIE interests carried as a part of Other Investments totaled $25.1 million at December 31, 2012 and $32.1 million at 
December 31, 2011. ProAssurance VIE interests carried as a part of Investment in Unconsolidated Subsidiaries totaled $33.7 
million at December 31, 2012 and $24.5 million at December 31, 2011.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

13. Variable Interest Entities (continued)

ProAssurance has not consolidated these VIE's because it has either very limited or no power to control the activities that 

most significantly affect the economic performance of these entities and is not the primary beneficiary of any of the entities. 
ProAssurance’s involvement with each entity is limited to its direct ownership interest in the entity. ProAssurance has no 
arrangements or agreements of significance with any of the entities to provide other financial support to or on behalf of the 
entity. At December 31, 2012, ProAssurance’s maximum loss exposure relative to these investments was limited to the carrying 
value of ProAssurance’s investment in the VIE.

14. Earnings Per Share

Diluted weighted average shares is calculated as basic weighted average shares plus the effect, calculated using the 
treasury stock method, of assuming that dilutive stock options have been exercised and that performance and restricted share  
units have vested.

Stock options are not dilutive when the option exercise price exceeds the average price of a common share during the 

period or when the result from assuming an option is exercised is a net decrease to outstanding shares. All outstanding options 
were dilutive for the years ended December 31, 2012 and 2011. During the year ended December 31, 2010, the average number 
of options not considered to be dilutive approximated 123,000.

15. Benefit Plans

ProAssurance maintains a defined contribution savings and retirement plan (the ProAssurance Savings Plan) that is 
intended to provide retirement income to eligible employees. The plan provides for employer contributions to the plan of 
between 5% and 10% of salary for qualified employees. During 2011 and 2010, ProAssurance also maintained several similar 
plans of acquired entities prior to the plans being merged into the ProAssurance Savings Plan. ProAssurance incurred expense 
related to the savings and retirement plans of $5.1 million, $4.3 million and $4.4 million during the years ended December 31, 
2012, 2011 and 2010, respectively.

ProAssurance also maintains a non-qualified deferred compensation plan (the ProAssurance Plan) that allows 
participating management employees to defer a portion of their current salary. ProAssurance incurred expense related to the 
ProAssurance Plan of $0.2 million during each of the years ended December 31, 2012, 2011 and 2010. ProAssurance deferred 
compensation liabilities totaled $11.1 million at December 31, 2012 and $11.5 million at December 31, 2011. The liabilities 
included amounts due under the ProAssurance Plan, amounts due under individual agreements with current or former 
employees, and amounts due under a currently inactive non-qualified plan.

16. Statutory Accounting and Dividend Restrictions

ProAssurance’s insurance subsidiaries are required to file statutory financial statements with state insurance regulatory 
authorities, prepared based upon statutory accounting practices prescribed or permitted by regulatory authorities. Differences 
between net income prepared in accordance with GAAP and statutory net income are principally due to: (a) policy acquisition 
and certain software and equipment costs which are deferred under GAAP but expensed for statutory purposes and (b) certain 
deferred income taxes which are recognized under GAAP but are not recognized for statutory purposes.

The NAIC specifies risk-based capital requirements for property and casualty insurance providers. At December 31, 2012 

statutory capital for each of ProAssurance’s insurance subsidiaries was sufficient to satisfy regulatory requirements. Net 
earnings and surplus of ProAssurance’s insurance subsidiaries on a statutory basis are shown in the following table. The table 
below includes the statutory earnings of APS for the statutory annual period of the year of acquisition and thereafter (see Note 
2). Consolidated net income, on a GAAP basis, includes the earnings of APS only for the periods following acquisition 
(November 2010). The below table does not include Medmarc, as the acquisition occurred on January 1, 2013 (see Note 18).

Statutory Net Earnings

2012
$312

2011
$291

(In millions)

2010
$261

Statutory Surplus

2012
$1,499

2011
$1,453

ProAssurance’s insurance subsidiaries as of December 31, 2012, in aggregate, are permitted to pay dividends of 

approximately $309 million during 2013 without prior approval. However, the payment of any dividend requires prior notice to 
the insurance regulator in the state of domicile and the regulator may prevent the dividend if, in its judgment, payment of the 
dividend would have an adverse effect on the surplus of the insurance subsidiary.

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ProAssurance Corporation and Subsidiaries
Notes to Consolidated Financial Statements
December 31, 2012

17. Quarterly Results of Operations (unaudited)

The following is a summary of unaudited quarterly results of operations for 2012 and 2011:

(In thousands, except per share data)

Net premiums earned
Net losses and loss adjustment expenses:

Current year
Prior year

Net income
Basic earnings per share (1) (2)
Diluted earnings per share (1) (2)

(In thousands, except per share data)

Net premiums earned
Net losses and loss adjustment expenses:

Current year
Prior year

Net income
Basic earnings per share (1) (2)
Diluted earnings per share (1) (2)

1st
136,659

$

2nd
131,266

$

3rd
127,125

$

4th
155,615

$

2012

117,656
(47,457)
55,645
0.91
0.90

108,134
(60,050)
58,453
0.95
0.95

2011

106,621
(50,000)
60,106
0.98
0.97

119,539
(114,531)
101,266
1.65
1.64

1st
132,077

$

2nd
137,063

$

3rd
134,627

$

4th
161,649

$

110,407
(39,984)
47,693
0.78
0.77

114,519
(50,166)
55,096
0.90
0.89

115,276
(52,100)
43,705
0.72
0.71

147,950
(183,614)
140,602
2.30
2.28

(1)  For all periods presented, per share amounts reflect the effect of the two-for-one stock split that was effected December 27, 

2012 in the form of a stock dividend.

(2)  Quarterly and year-to-date computations of per share amounts are made independently; therefore, the sum of per share 

amounts for the quarters may not equal per share amounts for the respective year-to-date periods.

18. Subsequent Events

As discussed in Note 2, on January 1, 2013, ProAssurance completed the acquisition of Medmarc through a sponsored 

demutualization. Funds required for the purchase were transferred to a third party conversion agent on December 27, 2012 and 
distributed to eligible Medmarc members on January 1, 2013.

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ProAssurance Corporation and Subsidiaries
Schedule I – Summary of Investments – Other than Investments in Related Parties
December 31, 2012

Type of Investment

(In thousands)

Fixed Maturities
Bonds:

U.S. Government or government agencies and authorities
States, municipalities and political subdivisions
Foreign Governments
Public utilities
All other corporate bonds
Certificates of deposit
Mortgage-backed securities

Total Fixed Maturities

Equity Securities, available-for-sale

Common Stocks:

Banks, trusts and insurance companies

Total Equity Securities, available-for-sale

Equity Securities, trading
Common Stocks:

Public utilities
Banks, trusts and insurance companies
Industrial, miscellaneous and all other
Total Equity Securities, trading

Other long-term investments
Short-term investments

Total Investments

Recorded
Cost
Basis

Fair
Value

Amount Which is
Presented
in the
Balance Sheet

$

$

243,752
1,134,744
5,172
94,751
1,275,707
250
469,956
3,224,332

—
—

9,120
65,629
113,142
187,891
204,548
71,737
3,688,508

$

$

262,804
1,219,979
5,546
101,664
1,363,064
250
494,692
3,447,999

—
—

9,497
70,900
122,221
202,618
224,292
71,737
3,946,646

$

$

262,804
1,219,979
5,546
101,664
1,363,064
250
494,692
3,447,999

—
—

9,497
70,900
122,221
202,618
204,548
71,737
3,926,902

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ProAssurance Corporation and Subsidiaries
Schedule II – Condensed Financial Information of Registrant

ProAssurance Corporation – Registrant Only
Condensed Balance Sheets

(In thousands)

Assets
Investment in subsidiaries, at equity
Fixed maturities available for sale, at fair value
Equity securities, trading, at fair value
Short-term investments
Investment in unconsolidated subsidiaries
Cash and cash equivalents
Due from subsidiaries
Other assets

Total Assets

Liabilities and Stockholders’ Equity
Liabilities:
Other liabilities
Long-term debt

Total Liabilities

Shareholders’ Equity:
Common stock
Other shareholders’ equity, including unrealized gains (losses) on securities of
subsidiaries

Total Shareholders’ Equity
Total Liabilities and Shareholders’ Equity

December 31

2012

2011

$

$

$

$

2,092,445
249,318
10,487
4,366
—
29,397
23,708
7,747
2,417,468

21,888
125,000
146,888

619

2,269,961
2,270,580
2,417,468

$

$

$

$

1,896,148
163,268
10,705
62,976
728
47,938
60,177
10,391
2,252,331

64,886
22,992
87,878

346

2,164,107
2,164,453
2,252,331

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ProAssurance Corporation and Subsidiaries
Schedule II – Condensed Financial Information of Registrant

ProAssurance Corporation – Registrant Only
Condensed Statements of Income

(In thousands)

2012

2011

2010

Year Ended December 31

Net investment income
Equity in earnings (loss) of unconsolidated subsidiaries
Net realized investment gains (losses)
Other income (loss)

Expenses:
Interest expense
Other expenses

Income (loss) before income tax expense (benefit) and equity in net
income of consolidated subsidiaries
Income tax expense (benefit)
Income (loss) before equity in net income of consolidated
subsidiaries

Equity in net income of consolidated subsidiaries
Net income

$

$

$

5,281
(728)
3,230
54
7,837

1,534
8,870
10,404

(2,567)
773

$

1,582
(2,479)
(141)
101
(937)

1,833
7,855
9,688

(10,625)
(3,209)

(3,340)
278,810
275,470

$

(7,416)
294,512
287,096

$

2,271
304
3,474
53
6,102

1,404
7,911
9,315

(3,213)
(747)

(2,466)
234,064
231,598

120

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ProAssurance Corporation and Subsidiaries
Schedule II – Condensed Financial Information of Registrant

ProAssurance Corporation – Registrant Only
Condensed Statements of Cash Flow

Year Ended December 31

2012

2011

2010

$

3,601

$

(3,982) $

(6,191)

—
(364)

—

150,192
—
616
58,657
59,369
(184,330)
—
(1)
84,139

125,000
(32,992)
—

7,066
7,022
(200,118)
(12,259)
(106,281)

—
(990)

(1,711)
(5,960)

—

(5,000)

19,398
—
6,887
(28,708)
90,020
(12,500)
—
(3,070)
71,037

—
—
(21,005)

6,071
1,711
(7,617)
(2,561)
(23,401)

79,941
—
29,458
10,251
232,800
(10,000)
(233,022)
1,699
98,456

—
—
(106,346)

6,568
1,847
—
(1,830)
(99,761)

(7,496)
11,780
4,284

(18,541)
47,938
29,397

$

43,654
4,284
47,938

$

241,081

$

197,224

$

—

(In thousands)
Cash provided (used) by operating activities
Investing activities
Purchases of:

Fixed maturities, available for sale
Equity securities trading

(Investments in) distributions from unconsolidated subsidiaries, net:

Other partnership investments
Proceeds from sale or maturities of:

Fixed maturities, available for sale
Equity securities, available for sale
Equity securities trading

Net decrease (increase) in short-term investments
Dividends from subsidiaries
Contribution of capital to subsidiaries
Cash paid for acquisitions, net of cash received
Other

Financing activities

Proceeds from long-term debt
Principal repayment of debt
Repurchase of common stock
Subsidiary payments for common shares and share-based
compensation awarded to subsidiary employees
Excess of tax benefit from share-based payment arrangements
Dividends to shareholders
Other

Increase (decrease) in cash and cash equivalents
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period

Significant non-cash transactions:

Securities transferred at fair value as dividends from subsidiaries

$

$

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ProAssurance Corporation and Subsidiaries
Schedule II – Condensed Financial Information of Registrant

Notes to Condensed Financial Statements of Registrant

1. Basis of Presentation

The registrant-only financial statements should be read in conjunction with ProAssurance Corporation’s (PRA Parent) 
consolidated financial statements. At December 31, 2012 and 2011, PRA Parent’s investment in subsidiaries is stated at the 
initial consolidation value plus equity in the undistributed earnings of subsidiaries since the date of acquisition.

2. Acquisitions

On November 30, 2010 ProAssurance acquired 100% of the outstanding shares of American Physicians Service Group, 

Inc. (APS) for approximately $237 million. Additional information regarding the acquisition is provided in Note 2 of the Notes 
to Consolidated Financial Statements.

3. Long-term Debt

Outstanding long-term debt, as of December 31, 2012 and 2011, consists of the following:

Trust Preferred Securities due 2034, unsecured, interest at a variable rate of LIBOR
plus 3.85%, reset quarterly. Note repaid in August 2012 at no gain or loss.

Revolving Credit Agreement, expires in 2016. Borrowing at December 31, 2012 carries
an interest rate of 0.81% until March 31, 2013 when the rate will be redetermined.
Secured by investments, see Note 4 of the Notes to Consolidated Financial Statements.

(In thousands)

2012

2011

— $

22,992

125,000

125,000

$

—

22,992

$

$

Trust Preferred Securities outstanding as of December 31, 2011 is shown in the above table net of $10 million in Trust 

Preferred Securities held by ProAssurance's wholly owned subsidiaries. In 2012, all outstanding Trust Preferred Securities were 
repaid, including those held by ProAssurance's wholly owned subsidiaries. 

See Note 10 of the Notes to Consolidated Financial Statements included herein for a detailed description of the terms of 

the Revolving Credit Agreement.

4. Related Party Transactions

PRA Parent received dividends from its subsidiaries of $300.5 million, $287.2 million and $232.8 million during the 
years ended December 31, 2012, 2011 and 2010, respectively. PRA Parent contributed capital to its subsidiaries of $184.3 
million, $12.5 million and $10.0 million during the years ended December 31, 2012, 2011 and 2010, respectively.

5. Income Taxes

Under terms of PRA Parent’s tax sharing agreement with its subsidiaries, income tax provisions for individual companies 

are allocated on a separate company basis.

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ProAssurance Corporation and Subsidiaries
Schedule III – Supplementary Insurance Information

(In thousands)

Deferred policy acquisition costs
Reserve for losses and loss adjustment expenses
Unearned premiums
Net premiums earned
Net investment income
Losses and loss adjustment expenses incurred related to current
year, net of reinsurance

Losses and loss adjustment expenses incurred related to prior year,
net of reinsurance

Paid losses and loss adjustment expenses, net of reinsurance
Underwriting, policy acquisition and operating expenses:
Amortization of deferred policy acquisition costs
Other underwriting, policy acquisition and operating expenses

Net premiums written

$

2012

23,179
2,054,994
233,861
550,664
136,094

$

2011

26,626
2,247,772
251,155
565,415
140,956

$

2010

27,281
2,414,100
256,050
519,107
146,380

451,951

488,152

455,105

(272,038)
(339,142)

(325,865)
(298,837)

(233,990)
(326,247)

57,007
78,624
528,298

59,591
76,830
558,507

58,939
76,041
505,407

Note: all amounts above are derived entirely from consolidated property and casualty entities.

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ProAssurance Corporation and Subsidiaries
Schedule IV – Reinsurance

(in thousands)
Property and Liability (1)
Premiums earned
Premiums ceded
Premiums assumed

Net premiums earned

2012

2011

2010

$

$

558,200
(7,652)
116
550,664

$

$

570,891
(5,630)
154
565,415

$

$

548,897
(29,848)
58
519,107

Percentage of amount assumed to net

0.02%

0.03%

0.01%

(1)  All of ProAssurance’s premiums are related to property and liability coverages.

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Exhibit 
Number

2

2.1

2.2

2.3

3.1(a)

3.1(b)

3.2

4

10.1(a)

10.1(b)

10.1(c)

10.2(a)

10.2(b)

10.3

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EXHIBIT INDEX

Description

Schedules to the following documents are omitted; the contents of the schedules are generally described in
the documents; and ProAssurance will upon request furnish to the Commission supplementally a copy of
any omitted schedule

  Plan of Conversion of PICA as filed with the Illinois Director of Insurance on November 13, 2008 (1)

  Stock Purchase Agreement executed by ProAssurance Corporation and PICA dated October 28, 2008 (1)

Agreement and Plan of Merger by and among ProAssurance Corporation, CA Bridge Corporation and
American Physicians Service Group, Inc. dated August 31, 2010 (2)

  Certificate of Incorporation of ProAssurance (3)

  Certificate of Amendment to Certificate of Incorporation of ProAssurance (4)

  Third Restatement of the Bylaws of ProAssurance (5)

ProAssurance will file with the Commission upon request pursuant to the requirements of Item 601 (b)(4)
of Regulation S-K documents defining rights of holders of ProAssurance’s long-term indebtedness

Medical Assurance, Inc. Incentive Compensation Stock Plan (formerly known as the Mutual Assurance,
Inc. 1995 Stock Award Plan) (6)*

  Amendment and Assumption Agreement by and between ProAssurance and Medical Assurance, Inc. (7)*

Amendment and Assumption Agreement by and between Mutual Assurance, Inc. and MAIC Holdings, Inc. 
dated April 8, 1996 (3)*

  ProAssurance Corporation 2004 Equity Incentive Plan (8)*

  First amendment to 2004 Equity Incentive Plan (9)*

Form of Release and Severance Compensation Agreement dated as of January 1, 2008 between 
ProAssurance and each of the following named executive officers (10):*

Edward L. Rand, Jr.
Howard H. Friedman
Jeffrey P. Lisenby
Darryl K. Thomas
Frank B. O’Neil

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10.4

10.5(a)

10.5(b)

10.6

10.7

10.8

10.9

Deferred Compensation Plan and Agreement effective as of January 1, 2011, between ProAssurance and
Victor T. Adamo (11)*

  Employment Agreement between ProAssurance and W. Stancil Starnes dated as of May 1, 2007 (12)*

Amendment to Employment Agreement with W. Stancil Starnes (May 1, 2007), effective as of January 1,
2008 (10)*

  Consulting Agreement between ProAssurance and William J. Listwan (13)*

Form of Release and Severance Compensation Agreement dated as of April 2, 2012 between ProAssurance 
and Jerry D. Brant (18)*

Form of Release and Severance Compensation Agreement dated as of September 1, 2011 between 
ProAssurance and Ross E. Taubman (18)*

Form of Indemnification Agreement between ProAssurance and each of the following named executive 
officers and directors of ProAssurance (18)*

Victor T. Adamo
Lucian F. Bloodworth
Robert E. Flowers
Howard H. Friedman
M. James Gorrie
Jeffrey P. Lisenby
William J. Listwan
John J. McMahon
Drayton Nabers
Frank B. O’Neil
Ann F. Putallaz
Edward L. Rand, Jr.
Frank A. Spinosa
W. Stancil Starnes
Ross E. Taubman
Anthony R. Tersigni
Darryl K. Thomas
Adam P. Wilczek
Thomas A. S. Wilson, Jr.

10.10

10.11

10.12

10.13

10.14

10.15

ProAssurance Group Employee Benefit Plan which includes the Executive Supplemental Life Insurance 
Program (Article VIII) (21)*

Amendment and Restatement of the Executive Non-Qualified Excess Plan and Trust effective January 1,
2008 (10)*

  Director Deferred Compensation Plan as amended and restated December 7, 2011 (20)*

  ProAssurance Corporation 2008 Equity Incentive Plan (15)*

  First Amendment to the 2008 Equity Incentive Plan (20)*

  ProAssurance Corporation 2008 Annual Incentive Compensation Plan (16)*

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10.16

10.17

10.18

   ProAssurance Corporation 2011 Employee Stock Ownership Plan (11)*

Revolving Credit Agreement between ProAssurance and U.S. Bank National Association, Wells Fargo
Bank, National Association, Branch Banking and Trust Company, First Tennessee Bank, N.A., and JP
Morgan Chase Bank N.A. (17)

Amendment No. 1 to Revolving Credit Agreement between ProAssurance and U.S. Bank National 
Association, Wells Fargo Bank, National Association, Branch Banking and Trust Company, First Tennessee 
Bank, N.A., and JP Morgan Chase Bank N.A. (19)

10.19

   Pledge and Security Agreement between ProAssurance and U.S. Bank National Association (17)

21.1

23.1

31.1

31.2

32.1

32.2

   Subsidiaries of ProAssurance Corporation

   Consent of Ernst & Young LLP

   Certification of Principal Executive Officer of ProAssurance as required under SEC Rule 13a-14(a)

   Certification of Principal Financial Officer of ProAssurance as required under SEC Rule 13a-14(a)

Certification of Principal Executive Officer of ProAssurance as required under SEC Rule 13a-14(b) and
Section 1350 of Chapter 63 of Title 18 of the United States Code, as amended (18 U.S.C. 1350)

Certification of Principal Financial Officer of ProAssurance as required under SEC Rule 13a-14(b) and 18
U.S.C. 1350

101.INS

   XBRL Instance Document

101.SCH

   XBRL Taxonomy Extension Schema Document

101.CAL

   XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF

   XBRL Taxonomy Extension Definition Linkbase Document

101.LAB

   XBRL Taxonomy Extension Labels Linkbase Document

101.PRE

   XBRL Taxonomy Extension Presentation Linkbase Document

*  Denotes a management contract or compensatory plan, contract or arrangement required to be filed as an exhibit to this report.

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Footnotes

(1) 

(2) 

(3) 

(4) 

(5) 

(6) 

(7) 

(8) 

(9) 

Filed as an Exhibit to ProAssurance’s Current Report on Form 8-K for event occurring November 13, 2008 (File 
No. 001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32
Filed as an Exhibit to ProAssurance’s Current Report on Form 8-K for event occurring August 31, 2010 (File 
No. 001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32
Filed as an Exhibit to ProAssurance’s Registration Statement on Form S-4 (File No. 333-49378) and incorporated 
herein by reference pursuant to Rule 12b-32 of the Securities and Exchange Commission (SEC)
Filed as an Exhibit to ProAssurance’s Annual Report on Form 10-K for the year ended December 31, 2001 (File 
No. 001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32
Filed as an Exhibit to ProAssurance’s Current Report on Form 8-K for the event occurring December 1, 2010 (File 
No. 001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32
Filed as an Exhibit to MAIC Holding’s Registration Statement on Form S-4 (File No. 33-91508) and incorporated 
herein by reference pursuant to SEC Rule 12b-32
Filed as an Exhibit to MAIC Holding’s Proxy Statement for the 1996 Annual Meeting (File No. 0-19439) is 
incorporated herein by reference pursuant to SEC Rule 12b-32
Filed as an Exhibit to ProAssurance’s Definitive Proxy Statement (File No. 001-165333) on April 16, 2004 and 
incorporated herein by reference pursuant to SEC Rule 12b-32
Filed as an Exhibit to ProAssurance’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2006 (File 
No. 001-16533) and incorporated herein by this reference pursuant to SEC Rule 12b-32

(10)  Filed as an Exhibit to ProAssurance’s Annual Report on Form 10-K for the year ended December 31, 2007 (File 

No. 001-16533) and incorporated herein by this reference pursuant to SEC Rule 12b-32

(11)  Filed as an Exhibit to ProAssurance’s Annual Report on Form 10-K for the year ended December 31, 2010 (File 

No. 001-16533) and incorporated herein by reference pursuant to Rule 12b-32

(12)  Filed as an Exhibit to ProAssurance’s Current Report on Form 8-K for the event occurring May 12, 2007 (File 

No. 001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32

(13)  Filed as an Exhibit to ProAssurance’s Current Report on Form 8-K for event occurring on September 13, 2006 (File 

No. 001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32

(14)  Filed as an Exhibit to ProAssurance’s Annual Report on Form 10-K for the year ended December 31, 2009 (File 

No. 001-16533) and incorporated herein by this reference pursuant to SEC Rule 12b-32

(15)  Filed as an Exhibit to ProAssurance’s Registration Statement on Form S-8 (File No. 333-156645) and incorporated 

by reference pursuant to SEC Rule 12b-32

(16)  Filed as an Exhibit to ProAssurance’s Definitive Proxy Statement (File No. 001-165333) on April 11, 2008 and 

incorporated herein by reference pursuant to SEC Rule 12b-32

(17)  Filed as an Exhibit to ProAssurance’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2011 (File 

No. 001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32.

(18)  Filed as an Exhibit to ProAssurance's Quarterly Report on Form 10-Q for the quarter ended June 30, 2012 (File No. 

001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32.

(19)  Filed as an Exhibit to ProAssurance's Quarterly Report on Form 10-Q for the quarter ended September 30, 2012 (File 

No. 001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32.

(20)  Filed as an Exhibit to ProAssurance's Annual Report on Form 10K for the year ended December 31, 2011 (File No. 

001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32.

(21)  Filed as an exhibit to ProAssurance's Annual Report on Form 10-K for the year ended December 31, 2004 (File No. 

001-16533) and incorporated herein by reference pursuant to SEC Rule 12b-32.

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I, W. Stancil Starnes, certify that:

1. I have reviewed this report on Form 10-K of ProAssurance Corporation;

CERTIFICATION

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact 
necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading 
with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all 
material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods 
presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and 
procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15 (e)) and internal control over financial reporting (as 
defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed 
under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is 
made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be 

designed under our supervision, 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;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our 
conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report 
based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the 

registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially 
affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over 
financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing 
the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial 
reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report 
financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the 

registrant’s internal control over financial reporting.

Date: February 19, 2013 

/s/ W. Stancil Starnes
W. Stancil Starnes
Chief Executive Officer

Exhibit 31.1

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I, Edward L. Rand, Jr., certify that:

1. I have reviewed this report on Form 10-K of ProAssurance Corporation;

CERTIFICATIONS

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact 
necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading 
with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all 
material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods 
presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and 
procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15 (e)) and internal control over financial reporting (as 
defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed 
under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is 
made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be 

designed under our supervision, 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;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our 
conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report 
based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the 

registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially 
affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over 
financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing 
the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial 
reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report 
financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the 

registrant’s internal control over financial reporting.

Date: February 19, 2013 

/s/ Edward L. Rand, Jr.
Edward L. Rand, Jr.
Chief Financial and Accounting Officer

Exhibit 31.2

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A signed original of this written statement required by Section 906 has been provided to ProAssurance Corporation and will be 
retained by ProAssurance Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

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

In connection with the Quarterly Report of ProAssurance Corporation (the “Company”) on Form 10-K for the year ending 
December 31, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, W. Stancil 
Starnes, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the 
Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of 

operations of the Company.

February 19, 2013 

/s/ W. Stancil Starnes
W. Stancil Starnes
Chief Executive Officer

Exhibit 32.1

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A signed original of this written statement required by Section 906 has been provided to ProAssurance Corporation and will be 
retained by ProAssurance Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

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

In connection with the Quarterly Report of ProAssurance Corporation (the “Company”) on Form 10-K for the year ending 
December 31, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Edward L. 
Rand, Jr., Chief Financial and Accounting Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant 
to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of 

operations of the Company.

February 19, 2013 

/s/ Edward L. Rand, Jr.
Edward L. Rand, Jr.
Chief Financial and Accounting Officer

Exhibit 32.2

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Non-GAAP Financial Measures 

In addition to Net Income we use Operating Income which is a “Non-GAAP” financial measure that is 

widely used in our industry to evaluate the performance of underwriting operations. Operating Income 
excludes the after-tax net effects of confidential settlements, Net Realized Investment (Gains) Losses, Debt 
Retirement (Gain) or Loss, and Guaranty Fund (Recoupments) Assessments. We believe Operating Income, 
when considered along with Net Income, presents a useful view of the performance of our insurance 
operations. 

  While we believe disclosure of certain Non-GAAP information is appropriate, you should not consider 
this information without also considering the information we present in accordance with GAAP, which 
includes the net effect of confidential settlements, Net Realized Investment (Gains) Losses, Debt Retirement 
(Gain) or Loss, and Guaranty Fund (Recoupments) Assessments during the periods presented below. The 
following table reconciles Net Income to Operating Income. 

Reconciliation of Income from Continuing Operations to Operating Income: 

(in thousands, except per share amounts) 
All share and per share results reflect the 
effect of a two-for-one stock split effective 
December 27, 2012 

Year Ended December 31, 

2008 

2009 

2010 

2011 

2012 

Net income 

  $  177,725    $  222,026   $  231,598   $  287,096    $  275,470

Items excluded in the calculation 

of operating income: 

(Gain) loss on the extinguishment of debt 

(4,571)  

2,839  

–  

–   

2,163

  Net realized investment (gains) losses 

50,913   

(12,792)  

(17,342)  

(5,994)  

(28,863)

  Guaranty fund assessments (recoupments) 

(1,334)  

(533)  

(1,336)  

(66)  

345

  Effect of confidential settlements, net 

–   

–  

–  

(7,143)  

(1,694)

Pre-tax effect of exclusions 

45,008   

(10,486)  

(18,678)  

(13,203)  

(28,049)

Tax effect, at 35% 

Operating income 

Per diluted common share: 

  Net income 

  Effect of exclusions 

(15,753)  

3,670  

6,537  

4,621   

9,817

  $  206,980    $  215,210   $  219,457   $  278,514    $  257,238

  $  

2.61   $  

3.35   $  

3.60   $  

4.65   $  

4.46

0.42      

(0.10)     

(0.19)     

(0.13)      

(0.30)

Operating income per diluted common share 

  $  

3.03   $  

3.25   $  

3.41   $  

4.52   $  

4.16

This page is not a part of ProAssurance’s Annual Report on Form 10K, and was not filed with the Securities & 

Exchange Commission.

Appendix A

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I n v e s t or   I n f or m at ion

There were 61,815,749 shares of ProAssurance Corporation 
common stock outstanding at March 15, 2012. On that date, 
we had 3,132 shareholders of record. Our common stock 
trades on The New York Stock Exchange under the symbol 
PRA. The price of our stock is available from any website that 
provides stock quotes, including the website of The New York 
Stock Exchange, www.nyse.com; we also post the price of our 
stock on our website, www.ProAssurance.com.

Yo u r   S h a r e S
If you hold your shares through a brokerage account, your 
broker or a customer service representative at that firm should 
be able to answer questions about your holdings.

If you hold your shares in certificate form, or have shares 
held in direct registration (DRS), you are a “registered 
holder.” Registered holders may contact our transfer agent, 
Computershare, for address changes, transfer of certificates, and 
replacement of share certificates that have been lost or stolen.

You may reach Computershare in a variety of ways:

By Phone 

(800) 851-4218  
or  
(201) 680-6578 

By Internet

Information about your account including share transfer,   
direct deposit of dividends and your dividend payment history  
www-us.computershare.com/investor/

 Immediate access to tax forms  
www-us.computershare.com/investor/quicktax

 For technical assistance with the Computershare website,  
please phone (800) 942-5909

Computershare Investor Services
P.O. Box 43006  
Providence, RI 02940-3006

By Mail

250 Royall Street  
Canton, MA 02021

D i r e c t  D e p o S i t  o f   D i v i D e n D S  f o r   
r e g i S t e r e D  h o l D e r S
We encourage registered holders to have dividends deposited 
directly into a designated account to ensure prompt, secure 
delivery of your funds. You may arrange for Direct Deposit 
by updating your banking details with Computershare 
(www-us.computershare.com/investor/myprofile) once you have 
established online access to your account with Computershare.

c o r p o r a t e  g o v e r n a n c e  a n D  c o m p l i a n c e   
w i t h   r e g u l a t o r Y   a n D  n e w  Yo r k   S t o c k   
e x c h a n g e  r e q u i r e m e n t S
We invite you to visit the Investor Relations and Corporate 
Governance sections of our website, www.ProAssurance.com. 
There you will find important information about our Company, 
including our Corporate Governance Principles and Code of 
Ethics and Conduct, which were developed and adopted by 
our Board of Directors. The Governance section of our website 
(www.proassurance.com/investorrelations/governance.aspx) 
also provides copies of the Board-adopted charters for our Audit, 
Compensation, and Nominating/Corporate Governance 
Committees and our Internal Audit Charter. Our Corporate 

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Governance section also provides information such as stock 
ownership guidelines, committee composition and leadership, 
and director independence, including categorical standards to 
assist in determining independence.

Our filings with the Securities and Exchange Commission 
(SEC) are available in the Investor Relations section of our 
website (www.proassurance.com/investorrelations/sec_filings.
aspx). Our SEC filings are also available in the EDGAR 
 section of the SEC’s website (www.sec.gov/edgar.shtml).

W. Stancil Starnes, our Chief Executive Officer, submitted the 
required Section 12(a) CEO Certification to The New York 
Stock Exchange in a timely manner on June 7, 2012. 
Additionally, we have been timely in the filing of CEO/CFO 
certifications as required in Section 302 of the Sarbanes-Oxley 
Act. These certifications are published as exhibits in our 
Form 10-K filed with the SEC on February 19, 2013.

i n v e S t o r   r e l a t i o n S
The Investor Relations section of our website also contains 
detailed financial information, a dividend payment history, 
SEC filings, the latest news releases about the Company and 
our latest presentation materials. We also maintain an archive of 
presentation materials, although you should realize that archived 
information, by its very nature, may no longer be accurate.

o b t a i n i n g   i n f o r m a t i o n   D i r e c t l Y   
f r o m  p r o a S S u r a n c e
Any of the documents mentioned above may be obtained from 
our Communications and Investor Relations Department using 
one of the contact methods below:

b Y   e - m a i l :
Investor@ProAssurance.com

b Y   u. S .   p o S t a l  S e r v i c e :
ProAssurance Corporation  
Investor Relations & Communications  
P.O. Box 590009  
Birmingham, AL 35259-0009

b Y   p h o n e  o r   f a x :
Phone: (205) 877-4400  •  (800) 282-6242  
Fax: (205) 802-4799

a n n u a l   m e e t i n g
The 2013 Annual Meeting is scheduled for 9:00 AM CDT  
on Wednesday, May 22, 2013 at the headquarters of 
ProAssurance Corporation, 100 Brookwood Place, 
Birmingham, Alabama 35209.

ProAssurance®, Treated Fairly®, ProControl®, LawyerCare® and 
the “Curl” device are registered trademarks of ProAssurance 
Corporation. Certitude® is a registered trademark of Ascension 
Health and is used by permission. All Rights Reserved.

 
 
 
 
 
 
 
 
 
 
 
100 Brookwood Place
Birmingham, Alabama 35209
(205) 877-4400
(800) 282-6242

www.ProAssurance.com