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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D. C. 20549

FORM 10-K
(MARK ONE)
/X/ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
ACT OF 1934

FOR THE FISCAL YEAR ENDED DECEMBER 31, 1998

/ / TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM ________ TO __________

Commission File Number 000-22761

PMA Capital Corporation
-----------------------
(Exact name of registrant as specified in its charter)

Pennsylvania 23-2217932
- ---------------------------------------- ----------
(State or other jurisdiction of (IRS Employer
incorporation or organization) Identification No.)


1735 MARKET STREET, SUITE 2800
Philadelphia, Pennsylvania 19103-7590
- ---------------------------------------- ----------
(Address of principal executive offices) (Zip Code)

REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (215) 665-5046
--------------

Securities to be registered pursuant to Section 12(b): None

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

CLASS A COMMON STOCK, PAR VALUE $5.00 PER SHARE
-----------------------------------------------
(Title of Class)

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 /X/ NO / /

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. / /

The aggregate market value of the voting and non-voting common equity held by
non-affiliates of the registrant as of February 28, 1999, was $263,158,213.

There were 13,504,816 shares outstanding of the registrant's Common Stock, $5
par value per share, and 9,895,360 shares outstanding of the registrant's Class
A Common Stock, $5 par value per share, as of the close of business on February
28, 1999.

DOCUMENTS INCORPORATED BY REFERENCE:

(1) Parts I and II of this Form 10-K incorporate by reference portions of the
Annual Report to Shareholders for the year ended December 31, 1998, as
indicated herein.
(2) Part III of this Form 10-K incorporates portions of the registrant's proxy
statement dated March 26, 1999 for the 1999 Annual Meeting of Shareholders.


INDEX
- --------------------------------------------------------------------------------


PART I PAGE

Item 1. Business....................................................................... 1
Company Overview............................................................ 1
PMA Re...................................................................... 2
The PMA Insurance Group..................................................... 6
Caliber One................................................................. 12
Reinsurance and Retrocessional Protection................................... 12
Loss Reserves............................................................... 14
Investments................................................................. 20
Competition................................................................. 21
Regulatory Matters.......................................................... 22
Employees................................................................... 25
Glossary of Selected Insurance Terms........................................ 26
Item 2. Properties..................................................................... 30
Item 3. Legal Proceedings.............................................................. 30
Item 4. Submission of Matters to a Vote of Security Holders............................ 30
Executive Officers of the Registrant........................................... 30

PART II

Item 5. Market for the Registrant's Common Equity and Related Shareholder Matters...... 31
Item 6. Selected Financial Data........................................................ 31
Item 7. Management's Discussion and Analysis of Financial Condition
and Results of Operations...................................................... 31
Item 7A. Quantitative and Qualitative Disclosures About Market Risk..................... 32
Item 8. Financial Statements and Supplementary Data.................................... 32
Item 9. Changes in and Disagreements with Accountants on
Accounting and Financial Disclosure............................................ 32

PART III

Item 10. Directors and Executive Officers of the Registrant............................. 32
Item 11. Executive Compensation......................................................... 32
Item 12. Security Ownership of Certain Beneficial Owners and Management................. 32
Item 13. Certain Relationships and Related Transactions................................. 32

PART IV

Item 14. Exhibits, Financial Statement Schedules, and Reports on Form 8-K............... 33

Signatures.............................................................................. 34
Index to Financial Statement Schedules.................................................. FS-1
Index to Exhibits....................................................................... E-1



PART I

The Business Section and other parts of this Form 10-K contain forward-looking
statements that involve risks and uncertainties. The Company's actual results
may differ significantly from the results discussed in the forward-looking
statements. Factors that might cause such differences include, but are not
limited to, those discussed in the "Cautionary Statements" on page 49 of the
Company's Management's Discussion and Analysis ("MD&A") section of its 1998
Annual Report to Shareholders ("Annual Report") that has been incorporated by
reference into Part II, Item 7 of this Form 10-K.

ITEM 1. Business

COMPANY OVERVIEW

PMA Capital Corporation (the "Company" or "PMA Capital"), headquartered in
Philadelphia, Pennsylvania, is an insurance holding company with total assets of
approximately $3.5 billion and shareholders' equity of $511.5 million at
December 31, 1998. In 1998, the Company changed its name to PMA Capital
Corporation from Pennsylvania Manufacturers Corporation. The new name is more
representative of the full breadth of the Company's insurance operations and
underscores the diversity of its risk management services. The Company's
operating subsidiaries conduct business in the property and casualty insurance
industry.

The Company has three operating segments: (i) PMA Re, which provides property
and casualty reinsurance products and services; (ii) The PMA Insurance Group,
which writes workers' compensation and other standard lines of commercial
insurance; and (iii) Caliber One, which writes specialty insurance focusing on
excess and surplus lines. In addition, the Company's Corporate and Other
segment includes unallocated investment income; expenses, including debt
service; and taxes, as well as the results of certain of the Company's real
estate properties.

Financial information in the tables that follow is presented in conformity with
generally accepted accounting principles ("GAAP"), unless otherwise indicated.
Certain reclassifications have been made to prior periods' financial information
to conform with the 1998 presentation. Revenues, income (loss) before income
taxes and net realized investment gains, and assets attributable to each of the
Company's operating segments and its Corporate and Other segment for the last
three fiscal years are set forth in Note 17 to the Company's consolidated
financial statements for the year ended December 31, 1998 ("Financial
Statements") included in its Annual Report.

The composition of the Company's net premiums written for the year ended
December 31, 1998 was as follows:

(dollar amounts in thousands)



Net premiums
written % of total
-------------------- ------------------


PMA Re................................... $234,010 49.2 %
-------- -----
The PMA Insurance Group:
Workers' compensation.................. 187,033 39.4 %
Other commercial lines................. 57,204 12.0 %
Run-off Operations..................... (9,400) (2.0)%
-------- -----
Total.................................. 234,837 49.4 %
-------- -----
Caliber One............................. 6,436 1.4 %
Corporate and Other...................... (522) --
-------- -----
Total.................................... $474,761 100.0 %
======== =====



1


PMA RE

Background


PMA Re writes a broad range of property and casualty reinsurance products with
an emphasis on risk-exposed casualty excess of loss reinsurance within the
brokered market. PMA Re competes on the basis of its ability to offer
specialized products to its clients, its long-term relationships in the broker
and ceding company communities, and its prompt and responsive service. According
to data provided by the Reinsurance Association of America (the "RAA"), as of
December 31, 1998, PMA Reinsurance Corporation was the 22nd largest reinsurer in
the United States in terms of statutory capital and surplus and 17th largest in
terms of net premiums written.

In the broker reinsurance market, the products (reinsurance coverages) are
distributed to the ultimate customer (ceding companies) through reinsurance
intermediaries, known as brokers. In exchange for providing such distribution
services, the brokers are paid commissions, known as brokerage, which are
typically based upon a percentage of the premiums ceded under a particular
contract. The broker reinsurance market differs from the direct reinsurance
market in which direct reinsurers maintain their own sales forces and distribute
their products directly to their ceding company clients.

From 1993 to 1998, PMA Re reported premium volume growth that exceeded that of
the overall reinsurance industry. During such period, PMA Re's compound annual
growth rate for net premiums written was 18.0%, while the reinsurance industry's
compound annual growth rate was 4.1% for the same period based upon information
published by the RAA. PMA Re's premium volume increases have largely taken the
form of increased participation levels on ceding company clients' existing
programs, as well as the writing of additional layers and programs for current
ceding company clients. To a lesser extent, volume growth has been attributable
to business written with new ceding company clients.

PMA Re's volume was impacted by industry trends between 1992 and 1995 that
tended to increase the demand for reinsurance. Specifically, much of the growth
that occurred in the primary insurance market in those years was attributable to
regional and niche companies. Typically, these companies demand more reinsurance
than their larger counterparts. In addition, PMA Re has benefited from the
greater selectivity of ceding companies that have restricted the number of
reinsurers with which they will transact business. Finally, PMA Re has been able
to write business for customers that was formerly written by reinsurers that
have been acquired by other reinsurers.

These factors have more than offset the recent trends beginning in 1996 of
ceding companies retaining more of their business and highly competitive
conditions in the U.S. reinsurance market. The competitive conditions have
caused PMA Re to non-renew certain accounts amounting to $46.8 million of in-
force premium in the twelve months ended December 31, 1998 and to not accept
certain new business opportunities largely due to inadequate rates and/or other
underwriting concerns. In addition, PMA Re has attempted to offset these
competitive conditions through a target marketing program commenced in 1996,
under which certain existing accounts and new accounts identified as having
certain desirable characteristics, such as quality management and underwriting,
were pursued for additional or new business.

Products

PMA Re provides reinsurance coverage primarily under two arrangements: treaty
and facultative. Typically, in treaty reinsurance, the primary insurer or ceding
company is obligated to offer and the reinsurer is obligated to accept a
specified portion of all agreed upon types or categories of risks originally
written by the primary insurer or ceding company. Facultative reinsurance is a
form of reinsurance coverage that is placed on a risk-by-risk basis, and the
reinsurer retains the right to accept or reject each individual risk submitted
by the ceding company. Of PMA Re's total net premiums written in 1998, 98.8%
were treaty and 1.2% were facultative.

During 1998, PMA Re created four internal underwriting units to serve its
principal classes of business. Treaty reinsurance is provided through two of
these units: (1) Traditional, which consists of pro-rata and excess-of-loss
reinsurance treaties and (2) Specialty, which underwrites specialty risks such
as environmental, employment

2


practices and professional liability writings. PMA Re also offers products
through two other units, Finite and Financial Products, which was formed in 1998
to provide reinsurance solutions to the more complex risk management issues; and
Facultative, which provides coverage on a risk-by-risk basis.

The following table indicates PMA Re's gross and net premiums written by major
category of business for the years ended December 31:

(dollar amounts in thousands)



1998 1997 1996 1995 1994
------------- ------------- ------------- -------------- -------------
Gross premiums written (1)

Casualty........................... $206,317 $151,901 $143,991 $128,736 $107,001
Property........................... 76,975 72,625 63,325 63,693 36,592
Other.............................. 1,044 795 842 (63) 837
-------- -------- -------- -------- --------
Total.............................. $284,336 $225,321 $208,158 $192,366 $144,430
======== ======== ======== ======== ========

Net premiums written (2)
Casualty........................... $168,452 $118,889 $122,008 $107,383 $ 88,585
Property........................... 64,497 58,257 41,240 45,440 23,929
Other.............................. 1,061 788 805 (63) 837
-------- -------- -------- -------- --------
Total.............................. $234,010 $177,934 $164,053 $152,760 $113,351
======== ======== ======== ======== ========


(1) In 1998 and 1997, gross premiums written included $6.6 million and $5.8
million of facultative reinsurance, respectively, consisting of the
following: property, $2.8 million and $2.4 million, respectively, and
casualty, $3.8 million and $3.4 million, respectively.

(2) In 1998 and 1997, net premiums written included $2.7 million and $2.5
million of facultative reinsurance, respectively, consisting of the
following: property, $1.8 million and $1.7 million, respectively, and
casualty, $0.9 million and $0.8 million, respectively.

Casualty Business

In terms of net premiums written, casualty business has increased at a compound
annual growth rate of 15.5% in the five-year period ended December 31, 1998, and
accounted for 72.0% of net premiums written in 1998. PMA Re has generally
focused on general liability, professional liability and other more specialized
liability coverages. The following table indicates the mix of casualty business
by class on the basis of net premiums written:

(dollar amounts in thousands)



1998 1997 1996 1995 1994
--------------- --------------- --------------- --------------- ---------------

Auto Liability................. $ 30,720 $ 22,268 $ 17,056 $ 13,032 $10,134
Miscellaneous Liability........ 28,422 16,431 12,811 10,350 6,006
Errors and Omissions........... 27,889 13,813 19,866 7,149 7,281
Umbrella (1)................... 25,056 30,967 40,307 51,559 38,743
General Liability.............. 23,234 15,174 11,702 7,460 8,936
Medical Malpractice............ 15,645 7,373 7,411 6,835 6,355
Other.......................... 17,486 12,863 12,855 10,998 11,130
-------- -------- -------- -------- -------
Total.......................... $168,452 $118,889 $122,008 $107,383 $88,585
======== ======== ======== ======== =======

(1) Umbrella casualty business includes coverage above a specific dollar amount
set forth in the original policies issued by the ceding companies.

3


Property Business

Property business accounted for 27.6% of net premiums written for the year ended
December 31, 1998. In the five-year period ended December 31, 1998, property
business has increased at a compound annual growth rate of 28.5%. The increases
in net property premiums written primarily reflect additional property
underwriting expertise that PMA Re added to its underwriting staff in late 1996
to broaden its product offerings. Such expertise enabled PMA Re to increase
cross-selling opportunities with its existing treaty reinsurance clients by
offering additional and expanded property coverages. No single line of property
business has contributed 10% or more of the Company's consolidated net premiums
written within the last three fiscal years.

PMA Re has generally de-emphasized catastrophe coverages. As of December 31,
1998, catastrophe business accounted for 3.9% of net property premiums written.
The property programs written by PMA Re generally contain per occurrence limits
or are not considered significantly catastrophe exposed, either because of the
locations of the insured values or the nature of the underlying properties
insured. However, as is common in property reinsurance, PMA Re is exposed to the
possibility of loss from catastrophes due to the aggregation of per occurrence
limits and similar issues. PMA Re actively manages this exposure through zonal
management, minimizing writings of catastrophe business, and the purchase of
retrocessional protection. As of December 31, 1998, PMA Re maintained
catastrophe retrocessional protection of $48 million excess of $2 million per
occurrence. Although the Company believes that it has adequate reinsurance to
protect against the estimated probable maximum gross loss from a catastrophe, an
especially severe catastrophe or series of catastrophes could exceed the
Company's reinsurance and/or retrocessional protection and may have a material
adverse impact on the Company's results of operations and financial condition.

Distribution

PMA Re operates primarily through the domestic broker reinsurance market in
which it has developed relationships with the major reinsurance brokers enabling
it to gain access to a wide range of ceding companies with varying reinsurance
and related service needs. PMA Re's brokers that accounted for more than 10% of
the gross premiums written in 1998 were as follows:

(dollar amounts in thousands)



Broker Gross premiums written % of total
- ------------------------------------- ------------------------------- -------------------------

Aon Reinsurance...................... $89,742 31.6%
Guy Carpenter & Company.............. 86,338 30.4%
E. W. Blanch......................... 39,052 13.7%


In 1996, PMA Re reemphasized its marketing program and identified target
companies in the smaller and medium company segments with whom PMA Re had either
no or an insignificant relationship, but met desired risk profiles. After such
identification, marketing and underwriting, personnel worked with the ceding
company's broker to enable PMA Re to have an opportunity to participate in the
reinsurance coverage.

As of December 31, 1998, PMA Re had 225 unaffiliated clients, with no individual
client accounting for more than 6.1% of gross premiums written in 1998.

4


Underwriting

In reinsurance, underwriting involves the selection of risks and determining an
adequate price given expected losses and estimated volatility of such losses.
Given the present soft-pricing environment, maintaining underwriting discipline
is critical to the maintenance of acceptable results of operations.

PMA Re's underwriting process has two principal aspects: underwriting the
specific program to be reinsured and underwriting the ceding company.
Underwriting the specific program to be reinsured involves, in addition to
pricing, a review of the type of program, the total risk and the ceding
company's policy forms. Underwriting the ceding company involves an evaluation
of the expected future performance of the ceding company through an examination
of that company's management, financial strength, claims handling and
underwriting abilities. PMA Re may conduct underwriting and claim reviews at the
offices of prospective ceding companies before entering into a major treaty, as
well as throughout the life of the reinsurance contract.

PMA Re's underwriters and actuaries work closely together to evaluate the
particular reinsurance program. Using the information provided by the broker,
the actuaries employ pricing models to estimate the ultimate exposure to the
treaty. The pricing models that are utilized employ various experience rating
and exposure rating techniques and are tailored in each case to the risk
exposures underlying each treaty. The underwriters then analyze the results of
the pricing models with the terms and conditions being offered to determine PMA
Re's selected price.

In underwriting excess-of-loss business, PMA Re has typically sought to write
treaties that are risk exposed within the original policy limits of the ceding
company. Management believes these layers generally lend themselves more
effectively to actuarial pricing techniques.

As noted above, PMA Re typically requires per occurrence limits for property
coverage. Also, PMA Re minimizes catastrophe reinsurance coverages and has
historically maintained sufficient retrocessional protection. Because of these
factors, recent catastrophes did not have a significant adverse impact on PMA
Re's combined ratio or results of operations. PMA Re has no significant
obligations to its reinsureds as a result of catastrophes reinsured within the
last five years.

Claims Administration

PMA Re's claims department analyzes reported claims, establishes individual
claim reserves, pays claims, provides claims-related services to clients, audits
the claims activities of selected current clients and assists in the
underwriting process by evaluating the claims departments of selected
prospective clients. The claims department's evaluation of claims activity
includes reviewing loss reports received from ceding companies to confirm that
claims are covered under the terms of the relevant reinsurance contract,
establishing reserves on an individual case basis and monitoring the adequacy of
those reserves. The claims department monitors the progress and ultimate outcome
of the claims to determine that subrogation, salvage and other cost recovery
opportunities have been adequately explored. The claims department performs
these functions in coordination with the actuarial and underwriting departments.

In addition to evaluating and adjusting claims, the claims department conducts
claims audits at the offices of selected prospective ceding companies.
Satisfactory audit results are required in order for reinsurance coverage to be
written or continued by PMA Re. Also, the claims department conducts annual
claims audits for many current and former client ceding companies.

In the area of claims administration, PMA Re has been among the first companies
to implement several claims service initiatives in the broker reinsurance
market, involving improved timeliness of claims remittances, including fastrack
claims and electronic data interchange. "Fastrack" claims involve the pre-
approval of payment of certain claims provided the claims meet predetermined
criteria and electronically disbursing funds to the clients. Electronic data
interchange involves the electronic transmission of data associated with
transactions between PMA Re and the client.

5


THE PMA INSURANCE GROUP

Background

The PMA Insurance Group provides workers' compensation insurance, other
commercial property and casualty insurance coverages, including commercial
general liability, commercial automobile and commercial multi-peril, and related
services to entities located in its ten-state marketing territory concentrated
in the Mid-Atlantic and Southern regions of the United States. The domestic
insurance subsidiaries through which The PMA Insurance Group writes its
insurance products and who share results through an intercompany pooling
agreement are referred to herein as the "Pooled Companies."

The PMA Insurance Group's net premiums written declined from $352.2 million in
1994 to $234.8 million in 1998, primarily reflecting The PMA Insurance Group's
underwriting decisions, competition and the impact of workers' compensation rate
reductions and related benefit reform laws. The PMA Insurance Group restricted
its premium volume, rather than write business at rates that were not
commensurate with the risks assumed, and introduced loss-sensitive coverages and
large-deductible programs under which insureds pay less premium but bear a
greater portion of loss exposure. The PMA Insurance Group intends to continue
writing other lines of property and casualty insurance, but generally only if
such writings are supported by its core workers' compensation business.

The PMA Insurance Group continues to emphasize its traditional core business,
workers' compensation. The Company believes that it can capitalize on the recent
workers' compensation regulatory reforms, attract additional business based upon
its expertise in workers' compensation and reduce acquisition expenses, because
acquisition costs are lower for workers' compensation than for other lines of
commercial insurance. In addition, The PMA Insurance Group has aligned itself
with network health care providers in order to offer medical cost containment
practices to its insureds.

In Pennsylvania, The PMA Insurance Group seeks to expand and retain more of its
premium base in territories that meet The PMA Insurance Group's underwriting and
actuarial criteria. Regulatory reforms in Pennsylvania (Acts 44 and 57) have
made workers' compensation business more attractive from an underwriting
perspective than it had been in the early 1990's. The workers' compensation
systems in certain other states in which The PMA Insurance Group does business
(specifically, New Jersey, North Carolina and Virginia) have also improved in
recent years. The PMA Insurance Group is attempting to recapture a portion of
the workers' compensation market share in those states where it has relinquished
market share since the early 1990's. In addition, The PMA Insurance Group has
shifted its workers' compensation premiums towards lower hazard lines of
business such as health care, schools/colleges and retail which comprised 25.8%,
20.6% and 12.9% of total workers' compensation premiums written in 1998,1997 and
1996, respectively, while de-emphasizing its participation in higher hazard
lines of business, including construction and manufacturing which comprised
43.1%, 46.4% and 52.0% of total workers' compensation premiums written in 1998,
1997 and 1996, respectively.

Further, The PMA Insurance Group intends to expand into certain new territories.
In 1997, The PMA Insurance Group began writing business in Georgia, and, in
1996, in New York and South Carolina. In these territories, The PMA Insurance
Group has identified profiles of entities that it desired to insure. These
profiles were communicated to the key producers in these states. The PMA
Insurance Group is contemplating expanding its relationships with larger
national and regional brokerage operations in both its existing and new states.
However, no assurance can be given that The PMA Insurance Group will be able to
accomplish these marketing objectives.

In 1996, the Company restructured The PMA Insurance Group with the goal of
restoring its profitability after three previous years of operating losses. The
losses resulted primarily from unfavorable underwriting experience and adverse
reserve development related to accident years 1987 through 1991, when The PMA
Insurance Group wrote a much higher volume of business than its current volume.
The principal components of the restructuring were: (i) strengthening loss
reserves; (ii) initiating a commutation program to settle a significant number
of open workers' compensation claims from the 1987 to 1991 period; (iii)
designating PMA Insurance, Cayman Ltd. ("PMA Cayman"), and Mid-Atlantic States
Casualty Company ("MASCCO") as separate run-off companies to alleviate the SAP
impact on the Pooled Companies of the loss reserve strengthening and to manage
the capital deployed in running off pre-1992 workers' compensation claims; (iv)
initiating an expense reduction program and (v) implementing management changes,
including the appointment of a new Chief Operating Officer and the creation of
the position of, and appointment of, a Chief Underwriting Officer. Effective
July 1, 1998, the Company sold PMA Cayman. See "Run-off Operations" below for
additional discussion.

6


Products

The following table sets forth certain information on The PMA Insurance Group's
net premiums written for the years ended December 31:

(dollar amounts in thousands)


1998 1997 1996 1995 1994
--------------- ---------------- --------------- --------------- ---------------


Workers' Compensation............. $187,033 $175,301 $187,698 $232,742 $266,033
Commercial Multi-Peril............ 28,043 41,713 35,108 40,659 31,123
Commercial Auto................... 23,288 28,938 35,224 39,834 38,984
Other............................. 5,873 9,018 14,449 19,881 16,011
Run-off Operations(1)............. (9,400) (51,622) -- -- --
-------- -------- -------- -------- --------
Total............................. $234,837 $203,348 $272,479 $333,116 $352,151
======== ======== ======== ======== ========
- --------------

(1) Run-off Operations were classified by management and segregated from ongoing
operations effective December 31, 1996.

Workers' Compensation Insurance

All states require employers to provide workers' compensation benefits to their
employees and their employees' dependents for injuries and occupational diseases
arising out of employment, regardless of whether such injuries result from the
employer's or the employee's negligence. Employers may insure their workers'
compensation obligations or, subject to regulatory approval, self-insure such
liabilities. State workers' compensation statutes require that a policy cover
three types of benefits: medical expenses, disability (indemnity) benefits and
death benefits. The amounts of disability and death benefits payable for various
types of claims are established by statute, but no maximum dollar limitation
exists for medical benefits.

Workers' compensation benefits vary among states, and insurance rates are
subject to differing forms of state regulation. Based upon direct written
premium information published by A.M. Best for the most recently available year
(1997), The PMA Insurance Group is the 4th largest writer of workers'
compensation insurance in Pennsylvania and ranks between the 2nd and 12th
largest writer of workers' compensation insurance in the other jurisdictions in
which it does business, except for New York and North Carolina. The PMA
Insurance Group has focused on these jurisdictions based upon its knowledge of
their workers' compensation systems and The PMA Insurance Group's assessment of
their business, economic and regulatory climates. Rate adequacy, regulatory
climate, economic conditions and other factors in each state are closely
monitored and taken into consideration in the underwriting process. The PMA
Insurance Group intends to employ similar analyses in determining whether and to
what extent The PMA Insurance Group will offer its products in additional
jurisdictions. See "Underwriting."

The following table sets forth statutory direct workers' compensation business
written by jurisdiction for the five years ended December 31:

(dollar amounts in thousands)



1998 1997 1996 1995 1994
--------------- --------------- --------------- --------------- ---------------

Pennsylvania.................. $ 85,923 $ 91,126 $134,171 $142,234 $169,448
New Jersey.................... 29,098 26,327 17,995 24,388 31,287
Virginia...................... 19,958 19,552 17,449 26,395 29,938
Maryland...................... 16,108 16,538 11,406 17,993 14,391
North Carolina................ 8,988 9,501 8,195 14,035 11,649
Delaware...................... 8,372 7,041 7,545 5,763 4,831
New York...................... 7,796 3,143 583 983 439
Other......................... 10,670 8,327 4,820 6,906 4,425
--------------- --------------- --------------- --------------- ---------------
Total......................... $186,913 $181,555 $202,164 $238,697 $266,408
=============== =============== =============== =============== ===============


7


The PMA Insurance Group believes that conditions in the workers' compensation
market have been improving in the last several years with respect to the ability
to manage and control loss costs, although pricing for workers' compensation
products continues to be competitive. In addition over the last five years,
several states, including Pennsylvania, have enacted reforms to the workers'
compensation benefit system.

In 1993, Pennsylvania enacted Act 44, which introduced medical cost containment
measures to the workers' compensation benefit system and expanded the period of
time during which the insurer may require an employee to accept medical
treatment from the employer's list of designated health care providers from 14
to 30 days. Act 44 also reduced the minimum wage replacement benefit to injured
workers, introduced a credit for unemployment compensation benefits, restored
the right of subrogation against tort recoveries in work-related automobile
accidents and created new anti-fraud measures. In June 1996, Pennsylvania
enacted Act 57, which further reformed the workers' compensation system in the
state. Among other provisions, Act 57: (i) imposes application of American
Medical Association Impairment Guidelines, which are uniform and stringent
guidelines for the assessment of permanent and total claims after the first two
years of total disability compensation payments and limits indemnity benefits to
an additional 500 weeks for workers who are not at least 50% disabled (as
measured by those guidelines); (ii) further increases the time frame for
directed medical treatment; and (iii) increases the ability of employers to
demonstrate that injured workers have earnings capacity.

To date, Act 44 has had a favorable impact on medical loss costs in
Pennsylvania, and Act 57 has had a favorable impact on indemnity loss costs. In
recognition of these developments, in 1994 and 1997, the first years following
the enactments of Act 44 and Act 57, the average manual rate level in
Pennsylvania decreased approximately 10% and approximately 25%, respectively.

Workers' compensation insurers doing business in certain states are required to
provide insurance for risks that are not otherwise written on a voluntary basis
by the private market ("residual market business"). This system exists in all of
the states in which The PMA Insurance Group does business, except Pennsylvania
and Maryland. In these two states, separate governmental entities write all of
the workers' compensation residual market business. In 1998, The PMA Insurance
Group wrote $3.7 million of residual market business, which constituted
approximately 2% of its net workers' compensation premiums written. Based upon
data for policy year 1997 reported by the National Council on Compensation
Insurance, the percentage for the industry as a whole, in all states, was 6.3%.

The PMA Insurance Group offers a variety of workers' compensation products to
its customers. Certain of these products are based on manual rates filed and
approved by state insurance departments ("rate-sensitive products"), while
others are priced to a certain extent on the basis of the insured's own loss
experience ("loss-sensitive products"). In the last five years, The PMA
Insurance Group has also developed and sold alternative market products, such as
large deductible products and other programs and services to customers who agree
to assume even greater exposure to loss than under more traditional loss-
sensitive products. The PMA Insurance Group decides which type of product to
offer a customer based upon the customer's needs and an underwriting review.

In 1997, The PMA Insurance Group developed PMA One, a new product that provides
for group intergated occupational and non-occupational disability coverages, and
began marketing PMA One in 1998. This product line utilizes The PMA Insurance
Group's expertise in managed care to reduce disability periods.

Set forth below is percentage information on the voluntary workers' compensation
direct premiums written by product type for the policy years indicated:



1998 1997 1996 1995 1994
---------------- ---------------- ---------------- ---------------- ----------------

Rate-sensitive products....... 63% 62% 57% 52% 50%
Loss-sensitive products....... 28% 27% 30% 34% 39%
Alternative market products... 9% 11% 13% 14% 11%
---------------- ---------------- ---------------- ---------------- ----------------
Total......................... 100% 100% 100% 100% 100%
================ ================ ================ ================ ================


Rate-Sensitive Workers' Compensation Products
- ----------------------------------------------

Rate-sensitive products include fixed-cost policies and dividend paying
policies. The premium charged on a fixed-cost policy is based upon the manual
rates filed with and approved by the state insurance department and does not
increase or decrease based upon the losses incurred during the policy period.
Under policies that are subject to dividend plans, the customer may receive a
dividend based upon loss experience during the policy period. With the

8


enactment of regulatory reform in several states in which The PMA Insurance
Group does business, The PMA Insurance Group believes that it is better able to
evaluate the expected losses on this type of business.

Loss-Sensitive Workers' Compensation Products
- ----------------------------------------------

The PMA Insurance Group's loss-sensitive products adjust the amount of the
insured's premiums after the policy period expires based upon the insured's
actual losses incurred during the policy period. These loss-sensitive products
are generally subject to less price regulation than rate-sensitive products and
reduce, but do not eliminate, risk to the insurer. Under these types of
policies, claims professionals and actuaries periodically evaluate the reserves
on losses after the policy period expires to determine whether additional
premiums or refunds are owed under the policy. Such policies are typically open
for adjustments for an average of five years after policy expiration. The PMA
Insurance Group generally restricts such loss-sensitive products to accounts
developing minimum annual premiums in excess of $100,000.

Alternative Market Workers' Compensation Products
- --------------------------------------------------

The PMA Insurance Group offers a variety of alternative market products for
larger accounts, including large deductible policies and off-shore captive
programs. Typically, The PMA Insurance Group receives a lower up-front premium
for these types of alternative market product plans. However, under this type of
business, the insured retains a greater share of the underwriting risk than
under rate-sensitive or loss-sensitive products, which reduces the potential for
unfavorable claim activity on the accounts and encourages loss control on the
part of the insured. For example, under a large deductible policy, the customer
is responsible for paying its own losses up to the amount of the deductible for
each occurrence. The deductibles under such policies generally range from
$250,000 to $1.0 million. In addition to these products, The PMA Insurance
Group offers certain workers' compensation services to its clients unbundled
from the insurance products. See "PMA Management Corp." for additional
discussion of such products.

The PMA Insurance Group offers a comprehensive array of workers' compensation
managed care services to reduce loss costs. Disability Management Coordinators,
who are all registered nurses, utilize an early intervention model to
proactively manage medical treatment and length of disability in concert with
the claim professional and employer. There are also case management nurses who
manage more serious claims via on-site visits with injured workers and medical
providers. In addition, The PMA Insurance Group utilizes the services of
Paradigm Corporation for certain catastrophic injuries. Paradigm adds a team of
catastrophic case management experts to assist in achieving enhanced clinical
and financial outcomes on these claims.

The PMA Insurance Group also established a partnership with First Health Corp.
for access to their workers' compensation preferred provider network. The First
Health/R/ Network includes doctors, hospitals, physical therapists, outpatient
clinics and imaging centers. The PMA Insurance Group's customers that utilize
the network generally recognize lower costs than those that do not utilize the
network.

Finally, an automated medical bill review system is used to detect duplicate
billings, unrelated charges and coding discrepancies. Complex bills are
forwarded to The PMA Insurance Group's cost containment unit, which is staffed
by registered nurses and other medical professionals, to resolve questions of
causal relationship and over-utilization.

Commercial Lines

The PMA Insurance Group writes property and liability coverages for larger and
middle market accounts that satisfy its underwriting standards. See
"Underwriting" below. These coverages feature multi-peril, general liability and
umbrella and commercial automobile business. The PMA Insurance Group intends to
continue offering these products, but generally only if they complement the core
workers' compensation business. In the present market, prices for commercial
coverages have been particularly competitive. As a result, The PMA Insurance
Group has been selectively non-renewing accounts that do not meet its
underwriting standards.



9

PMA Management Corp.

PMA Management Corp. offers claims, risk management and related services
primarily to self-insureds on an unbundled basis. In addition, PMA Management
Corp. offers "rent-a-captive" products for certain insureds and associations.
The purpose of a rent-a-captive program is to offer a customer an alternative
method of managing its loss exposures by obtaining many of the benefits of a
captive insurer without establishing and capitalizing its own captive; in
effect, the insured is "renting" a captive facility that the Company has already
established.

Under this arrangement, the client purchases an insurance policy from the Pooled
Companies and chooses a participation level. The Pooled Companies then cede this
portion of the premium and loss exposures to a Bermuda subsidiary of the
Company. The client participates in the loss and investment experience of the
portion ceded to the Bermuda subsidiary through a dividend mechanism. The client
is responsible for any loss that may arise within its participation level, and
such potential obligation is typically secured through a letter of credit or
similar arrangement. The Company's principal sources of income from its rent-a-
captive program are the premium income on the risk retained by the Pooled
Companies and captive management fees earned by PMA Management Corp.

Distribution

The PMA Insurance Group distributes its products through approximately 15 direct
sales employees and approximately 235 independent brokers and agents. The direct
sales employees are generally responsible for certain business located in
Pennsylvania. For the year ended December 31, 1998, these employees produced
approximately $35 million in direct premiums written, constituting 12% of The
PMA Insurance Group's direct written business. The brokers and agents write
business throughout the marketing territory. In 1998, the top ten brokers and
agents accounted for 25.5% of The PMA Insurance Group's business, the largest of
which accounted for approximately 7.4% of its business. All business from
brokers and agents is reviewed by The PMA Insurance Group's underwriters before
it is accepted.

The PMA Insurance Group monitors several statistics with respect to its producer
force, including the number of years the producer has been associated with The
PMA Insurance Group, the percentage of the producer's business that is
underwritten by The PMA Insurance Group, the ranking of The PMA Insurance Group
within the producer's business, and the profitability of the producer's
business. The current distribution network generally consists of large regional
agents and brokers, local agents and national brokers that specialize in larger
to middle market accounts that require the variety of workers' compensation,
commercial lines and alternative market products offered by The PMA Insurance
Group.

The field organization currently consists of 17 regional or branch offices
throughout the ten-state marketing territory. These offices deliver a full range
of services directly to customers located in their service territory, and
smaller satellite offices primarily offer underwriting and claim adjustment
services.

Underwriting

The PMA Insurance Group's underwriters, in consultation with casualty actuaries,
determine the general types of business to be written using a number of
criteria, including past performance, relative exposure to hazard, premium size,
type of business and other indicators of potential loss. Specific types of
business are referred to underwriting specialists and actuaries for individual
pricing. The underwriting team also establishes classes of business that The PMA
Insurance Group generally will not write, such as certain property exposures,
certain hazardous products and activities and certain environmental coverages.
Underwriters and risk-control professionals in the field report functionally to
the Chief Underwriting Officer rather than to branch managers with marketing
responsibilities. Underwriters also work with the field marketing force to
identify business that meets prescribed underwriting standards and to develop
specific strategies to write the desired business. In performing this
assessment, the field office professionals also consult with actuaries who have
been assigned to the specific field office regarding loss trends and pricing and
utilize actuarial loss rating models to assess the projected underwriting
results of accounts.

The PMA Insurance Group also employs credit analysts. These employees review the
financial strength and stability of customers whose business is written on loss-
sensitive and alternative market products and specify the type and amount of
collateral that customers must provide under these arrangements.


10


Claims Administration

Claims services are delivered to customers primarily through employees in the
field offices. Certain specialized matters, such as asbestos and environmental
claims, are referred to a special claims unit in the home office. The PMA
Insurance Group maintains a centralized call center for loss reporting and has
automated and centralized the processing of claims payments, which allows the
claims adjusters to substantially reduce the time that they spend with clerical
and repetitive functions. The PMA Insurance Group also employs in-house
attorneys who represent customers in workers' compensation cases and other
insurance matters. The PMA Insurance Group has a separate, anti-fraud unit that
investigates suspected false claims and other irregularities.

Run-off Operations

As a part of The PMA Insurance Group's 1996 restructuring plan, the Run-off
Operations were established principally to manage the capital supporting
workers' compensation loss reserves for accident years 1992 and prior. Such
reserves primarily relate to the period of time from 1987 to 1991 when The PMA
Insurance Group wrote a much higher volume of business and experienced poor
underwriting results. The reserves are mainly indemnity related and are
relatively mature. At December 31, 1998, the Run-off Operations had $95.1
million of total assets and $81.1 million in total reserves. See pages 37-38 of
the MD&A and Notes 17 and 19 to the Financial Statements in the Annual Report.

11


CALIBER ONE

In January 1998, the Company's specialty insurance unit, Caliber One, commenced
writing business. Caliber One's gross and net premiums written for 1998 were
$11.8 million and $6.4 million, respectively. Caliber One writes business
through surplus lines brokers on a national basis. Caliber One Indemnity
Company, Caliber One's statutory insurance subsidiary, is presently authorized
as an excess and surplus lines carrier in 40 states, the District of Columbia
and Puerto Rico, with applications pending in the remaining states.

Products, Distribution and Underwriting

Caliber One's present focus is on excess and surplus lines of insurance for
difficult risks that are typically declined by the standard market. Caliber One
offers liability coverages for low frequency/high severity classes, including
pharmaceuticals, chemicals, machinery manufacturers, toy makers, medical product
manufacturers and other difficult-to-insure product liability risks. In
addition, Caliber One markets environmental impairment liability coverages,
clinical trials coverage for emerging biotechnology products and intellectual
property rights liability coverages, as well as property coverages for risks
declined by admitted insurers. Caliber One's policy forms contain appropriate
and flexible endorsements and exclusions, and in some cases, include defense
costs within the policy limits rather than offering such coverage on an
unlimited basis.

The underwriting of these specialty products involves a significant amount of
judgment. The underwriting process involves reviewing the claim experience of an
account, if any, the claim experience of the particular class or similar
classes, and responding to special risks that an account has through the use of
policy features that can be changed for the circumstances, such as retentions,
exclusions and endorsements.

Caliber One distributes its excess and surplus lines products on a nationwide
basis through 37 appointed surplus lines brokers. For most product offerings,
Caliber One does not grant underwriting or binding authority to its brokers.

Acquisition of Caliber One Indemnity Company

In December 1997, PMA Reinsurance Corporation acquired 100% of the outstanding
common stock of Caliber One Indemnity Company, domiciled in Delaware and
formerly known as Lincoln Insurance Company, for approximately $16.0 million and
made a capital contribution of approximately $11.3 million to Caliber One
Indemnity Company. All of Caliber One Indemnity Company's acquired loss reserves
were reinsured with an affiliate of its former parent for adverse development
and uncollectible reinsurance (the "Reserve Guarantee") in the amount of the
recorded reserves plus $68.5 million. Upon the purchase of Caliber One Indemnity
Company, management valued the amount of the Reserve Guarantee at approximately
$5.0 million in excess of the stated acquired reserves. Management believes that
the Reserve Guarantee will be adequate to cover any future adverse reserve
development or uncollectible reinsurance on the acquired reserves. PMA
Reinsurance Corporation intends to maintain Caliber One Indemnity Company's
surplus at not less than $25.0 million, the minimum capital and surplus required
by many states in order to be an eligible surplus lines carrier.

REINSURANCE AND RETROCESSIONAL PROTECTION

The Company follows the customary insurance practice of reinsuring with other
insurance companies a portion of the risks under the policies written by its
insurance subsidiaries. This reinsurance is maintained to protect the insurance
subsidiaries against the severity of losses on individual claims and unusually
serious occurrences in which a number of claims produce an aggregate
extraordinary loss. Although reinsurance does not discharge the insurance
subsidiaries from their primary liabilities to their policyholders for losses
insured under the insurance policies, it does make the assuming reinsurer liable
to the insurance subsidiaries for the reinsured portion of the risk.

The reinsurance ceded agreements of the Company's insurance subsidiaries
generally may be terminated at their

12


annual anniversary by either party upon 30 to 90 days' notice. In general, the
reinsurance agreements are of the treaty variety, which cover all underwritten
risks of the types specified in the treaties.

At December 31, 1998, the Company's reinsurance and retrocessional protection
was as follows:



Retention Limits(1)
---------------------------- -------------------------

PMA Re
Per Occurrence:
Casualty lines $ 2.8 million $ 17.5 million
Workers' compensation $ 2.0 million(2) $ 98.0 million
Property lines $ 2.0 million $ 48.0 million
Per Risk:
Property lines $ 800,000 $ 4.3 million
Casualty lines $ 1.5 million(3) $ 6.0 million

THE PMA INSURANCE GROUP(4)
Per Occurrence:
Workers' compensation $ 1.5 million(5) $ 103.5 million
Property lines $ 2.0 million $ 28.0 million(6)
Per Risk:
Property lines $ 500,000 $ 19.5 million(7)
Auto physical damage $ 500,000 $ 2.0 million
Other casualty lines $ 175,000 $ 4.8 million(8)

CALIBER ONE(9)
Per Occurrence and Per Risk:
Property lines $ 200,000 $ 4.8 million
Casualty lines $ 500,000 $ 4.5 million


(1) Represents the amount of loss protection above the Company's level of loss
retention.
(2) This coverage also provides protection of $98.5 million in excess of $1.5
million per program per occurrence and $18.5 million in excess of $1.5
million per person per occurrence.
(3) This contract has clash limits for losses arising from two or more risks of
$1.3 million in excess of $1.5 million. The term of the contract is three
years, expiring in 2000, and the term aggregate limit is $25.0 million plus
the amount of funds withheld.
(4) The PMA Insurance Group also maintains reinsurance protection for its
umbrella risks at $9.0 million over a net retention of $1.0 million and
purchases facultative reinsurance for certain other risks.
(5) Effective January 1, 1999, The PMA Insurance Group's net retention on
workers' compensation has been reduced to $150,000.
(6) This coverage also includes coinsurance of 5%
(7) This coverage also provides a per occurrence limit of $48.5 million.
(8) This coverage also provides protection of $49.8 million per occurrence over
its net retention of $175,000.
(9) Caliber One Indemnity Company is 100% reinsured by an affiliate of its
former parent for all business written prior to its acquisition by PMA
Reinsurance Corporation in December, 1997. Caliber One Indemnity Company
has also entered into a surplus maintenance reinsurance agreement with its
parent, PMA Reinsurance Corporation, whereby PMA Reinsurance Corporation
will provide reinsurance if Caliber One Indemnity Company's statutory
combined ratio exceeds 105.0% or if its statutory net written premium to
surplus ratio exceeds 1:1. See "Caliber One - Acquisition of Caliber One
Indemnity Company" above for additional discussion.

13


As of December 31, 1998, the maximum gross lines that PMA Re will write are $5.0
million for property covers, $1.0 million for property catastrophe covers and
$7.5 million for casualty covers.

The Company actively manages its exposure to catastrophes through its
underwriting process, where the Company monitors the accumulation of insurable
values in catastrophe prone regions. Also, in writing property reinsurance
coverages, PMA Re typically requires per occurrence loss limitations for
contracts that could have catastrophe exposure. Through per risk reinsurance,
the Company also manages its net retention in each exposure. As a result, the
Company's loss and LAE ratios have not been significantly impacted by
catastrophes in the past three years. Although the Company believes it has
adequate reinsurance to protect against the estimated probable maximum gross
loss from a catastrophe, an especially severe catastrophe or series of
catastrophes could exceed the Company's reinsurance and/or retrocessional
protection and may have a material adverse impact on the Company's results of
operations and financial position.

The collectibility of reinsurance is largely a function of the solvency of
reinsurers. The Company performs extensive credit reviews on its reinsurers,
focusing on, among other things, financial capacity, stability, trends and
commitment to the reinsurance business. Prospective and existing reinsurers
failing to meet the Company's standards are excluded from the Company's
reinsurance programs. In addition, the Company requires letters of credit or
other acceptable collateral to support balances due from reinsurers not
authorized to transact business in the applicable jurisdictions.

As of December 31, 1998, approximately 97.3% of the Company's reinsurance
receivables related to unpaid reported claims and incurred but not reported
claims, and the remaining 2.7% related to paid losses. The timing and
collectibility of reinsurance receivables have not had, and are not expected to
have, a material adverse effect on the Company's liquidity.

See pages 43-44 of the MD&A and Note 5 to the Financial Statements included in
the Annual Report for additional information on reinsurance.

LOSS RESERVES

Insurers establish reserves representing estimates of future amounts needed to
pay claims with respect to insured events which have occurred, including events
that have not been reported to the insurer. Reserves are also established for
loss adjustment expenses ("LAE") representing the estimated expenses of settling
claims, including legal and other fees, and general expenses of administering
the claims adjustment process.

After a claim is reported, claims personnel establish a "case reserve" for the
estimated amount of the ultimate payment. The estimate reflects the informed
judgment of management, based on reserving practices and management's experience
and knowledge regarding the nature and value of the specific type of claim.
Claims personnel review and update their estimates as additional information
becomes available and claims proceed towards resolution. In addition, "bulk
reserves" are also established on an aggregate basis (i) to provide for losses
incurred but not yet reported to the insurer; (ii) to provide for the estimated
expenses of settling claims, including legal and other fees and general expenses
of administering the claims adjustment process; and (iii) to adjust for the fact
that, in the aggregate, case reserves may not accurately estimate the ultimate
liability for reported claims. Reserves are estimated using various generally
accepted actuarial techniques.

As part of the reserving process, historical data is reviewed and consideration
is given to the anticipated impact of various factors such as legal
developments, changes in social attitudes and economic conditions, including the
effects of inflation. This process relies on the basic assumption that past
experience, adjusted for the effect of current developments and likely trends,
is an appropriate basis for predicting future events. The reserving process
provides implicit recognition of the impact of inflation and other factors
affecting claims payments by taking into account changes in historic payment
patterns and perceived probable trends. There is generally no precise method,
however, for subsequently evaluating the adequacy of the consideration given to
inflation or to any other specific factor, since the eventual deficiency or
redundancy of reserves is affected by many factors, some of which are
interdependent.

In many cases significant periods of time, ranging up to several years or more,
may elapse between the occurrence of an insured loss, the reporting of the loss
to the insurer and the insurer's payment of that loss. Liabilities for

14


reinsurers generally become known more slowly than for primary insurers and are
generally subject to more unforeseen development.

Estimating the Company's ultimate claims liability is necessarily a complex and
judgmental process as the amounts are based on management's informed estimates
and judgments using data currently available. As additional experience and data
become available regarding claims payment and reporting patterns, legislative
developments and economic conditions, the estimates are revised accordingly. If
the Company's ultimate net losses prove to be substantially greater than the
amounts recorded in the financial statements, the related adjustments could have
a material adverse impact on the Company's financial condition and results of
operations.

Estimating reserves for workers' compensation claims is difficult for several
reasons, including (i) the long payment "tail" associated with the business;
(ii) the impact of social, political, case law and regulatory trends on benefit
levels for both medical and indemnity payments; (iii) the impact of economic
trends and (iv) the impact of changes in the mix of business. At various times,
one or a combination of such factors can make the interpretation of actuarial
data associated with workers' compensation loss development more difficult, and
it can take additional time to recognize changes in loss development patterns.
If necessary, adjustments will be made to such reserves as they are identified
if loss patterns develop differently than forecasted or if new information
becomes available and such adjustments may be material to results of operations,
financial condition and liquidity.

The table on the next page presents the subsequent development of the estimated
year-end property and casualty reserves, net of reinsurance ("net reserves"),
for the 10 years prior to 1998. The first section of the table shows the
estimated net reserves that were recorded at the end of each of the indicated
years for all current and prior year unpaid losses and loss adjustment
expenses. The second section shows the cumulative amounts of such previously
recorded net reserves paid in succeeding years. The third section shows the re-
estimates of the net reserves made in each succeeding year.

The cumulative deficiency (redundancy) as shown in the table represents the
aggregate change in the reserve estimates from the original balance sheet dates
through 1998; an increase in a loss estimate that related to a prior year
occurrence generates a deficiency in each intervening year. For example, a
deficiency first recognized in 1997 relating to losses incurred in 1989 would be
included in the cumulative deficiency amount for each of the years 1989 through
1996. Yet, the deficiency would be reflected in operating results in 1997 only.

Conditions and trends that have affected the reserve development reflected in
the table may change, and care should be exercised in extrapolating future
reserve redundancies or deficiencies from such development.

15


Consolidated Loss and Loss Adjustment Expense Development

December 31,
(dollar amounts in millions)



1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
-------- -------- -------- -------- -------- -------- -------- -------- --------- --------- --------

Initial estimated
liability for
unpaid losses and
LAE net of $1,457.4 $1,632.2 $1,734.6 $1,824.3 $1,941.0 $1,932.0 $1,855.9 $1,808.5 $1,834.5 $1,670.9 $1,347.2
reinsurance......... ======== ======== ======== ======== ======== ======== ======== ======== ======== ======== ========


Amount of reserve
paid, net of
reinsurance through
- - one year later.... $ 322.3 $ 444.6 $ 470.8 $ 490.5 $ 442.4 $ 407.8 $ 398.9 $ 437.6 $ 398.8 $ 360.7 --

- - two years later... 601.1 771.5 842.0 848.8 779.1 746.1 763.7 780.0 669.6

- - three years later. 825.9 1,042.6 1,133.8 1,127.0 1,066.8 1,055.9 1,072.9 999.0

- - four years later.. 1,011.4 1,258.0 1,353.1 1,364.9 1,329.2 1,330.6 1,252.2

- - five years later.. 1,165.8 1,421.4 1,539.4 1,585.4 1,573.8 1,472.7

- - six years later... 1,283.8 1,553.1 1,715.1 1,788.9 1,688.7

- - seven years later. 1,380.1 1,684.6 1,882.1 1,882.2

- - eight years later. 1,478.9 1,817.3 1,962.6

- - nine years later.. 1,584.2 1,887.4

- - ten years later... 1,642.0


Re-estimated
liability, net of
reinsurance as of:
- - one year later.... $1,468.3 $1,696.0 $1,795.3 $1,966.8 $1,998.1 $1,932.3 $1,907.4 $1,964.6 $1,748.5 $1,624.4 --

- - two years later... 1,511.9 1,742.5 1,949.9 2,067.5 2,006.5 1,982.5 2,073.4 1,866.8 1,700.5

- - three years later. 1,553.3 1,876.0 2,034.1 2,081.5 2,060.6 2,163.9 1,986.7 1,819.2

- - four years later.. 1,607.3 1,938.2 2,040.8 2,134.8 2,258.2 2,078.3 1,942.0

- - five years later.. 1,651.5 1,935.1 2,123.0 2,302.0 2,170.3 2,030.5

- - six years later... 1,648.7 1,985.3 2,273.3 2,209.3 2,126.6

- - seven years later. 1,684.2 2,098.2 2,205.4 2,169.5

- - eight years later. 1,783.6 2,052.2 2,168.4

- - nine years later.. 1,751.8 2,020.1

- - ten years later... 1,729.1

Indicated
deficiency
(redundancy) $ 271.7 $ 387.9 $ 433.8 $ 345.2 $ 185.6 $ 98.5 $ 86.1 $ 10.7 $ (134.0) $ (46.5)
======== ======== ======== ======== ======== ======== ======== ======== ======== ========
Net
liability........... $1,932.0 $1,855.9 $1,808.5 $1,834.5 $1,670.9 $1,347.2
reinsurance
recoverables........ 218.7 247.9 261.5 256.6 332.3 593.7
-------- -------- -------- -------- -------- --------

Gross
liability........... $2,150.7 $2,103.8 $2,070.0 $2,091.1 $2,003.2 $1,940.9
======== ======== ======== ======== ======== ========

Re-estimated
net
liability........... $2,030.5 $1,942.0 $1,819.2 $1,700.5 $1,624.4
Re-estimated
reinsurance
recoverables........ 209.0 250.1 277.8 271.3 349.8
-------- -------- -------- -------- --------
Re-estimated
gross
liability........... $2,239.5 $2,192.1 $2,097.0 $1,971.8 $1,974.2
======== ======== ======== ======== ========


16


The components of the Company's incurred losses and LAE for prior accident
years, excluding accretion of discount, are as follows (favorable loss
development is denoted by the bracketed figures):

(dollar amounts in millions)



1998 1997 1996
------------------ ------------------ ------------------

PMA Re........................... $(31.5) $(32.1) $(35.3)
------------------ ------------------ ------------------
The PMA Insurance Group:
Workers' compensation.......... (17.3) (44.1) 110.0
Asbestos and environmental..... -- -- 60.4
Other losses and LAE........... 2.3 (9.8) 21.0
------------------ ------------------ ------------------
(15.0) (53.9) 191.4
------------------ ------------------ ------------------
Total............................ $(46.5) $(86.0) $156.1
================== ================== ==================


During 1998, PMA Re and The PMA Insurance Group recorded favorable reserve
development on prior accident years of $31.5 million and $15.0 million,
respectively. PMA Re recorded favorable reserve development on prior accident
years due to re-estimated loss trends for such years that are lower than
previous expectations. The favorable reserve development at The PMA Insurance
Group primarily relates to the formal commutation programs, which resulted in
early liability settlements made during 1998 to reduce future claim payments.

During 1997, PMA Re and The PMA Insurance Group recorded favorable reserve
development of $32.1 million and $53.9 million, respectively. PMA Re recorded
favorable reserve development on prior accident years due to re-estimated loss
trends for such years that are lower than previous expectations. Favorable loss
development at The PMA Insurance Group in 1997 can be attributed to the
following: favorable reserve development of approximately $37.0 million related
to retrospectively rated policies for Run-off Operations; the cession of prior
year reserves of $14.8 million from Run-off Operations to a third party
reinsurer; and favorable reserve development of $7.1 million on guaranteed cost
workers' compensation reserves, partially offset by reserve strengthening of
$5.0 million in commercial multi-peril business.

The increase in incurred losses and LAE during 1996 is primarily due to a loss
reserve strengthening charge of $191.4 million. The 1996 aggregate workers'
compensation adverse development of $110.0 million was allocated $102.0 million
to Pennsylvania and $8.0 million to all other states in The PMA Insurance
Group's marketing territory. Of the $102.0 million, the allocation by year is
as follows: prior to 1987, $16.0 million; 1987 to 1991, $101.0 million; and 1992
and subsequent years, ($15.0) million.

These increases were the result of an analysis of increases in paid loss
development data started in 1995. In 1995, The PMA Insurance Group began to
accumulate additional data in order to determine whether there were additional
causes of the increase in the paid loss development data, including claim count
data that was far more detailed than had been historically utilized in the
reserve setting process. This data indicated that the paid loss development
factors were not only impacted by commutation activity, but also by a decline in
the claims closure rate in Pennsylvania.

The PMA Insurance Group believes that the decline of the closure rates was due
to several interrelated factors, including efforts to rehabilitate claimants and
return them to work at either full or modified duty, which were not as
successful as anticipated. In addition, the depressed economic conditions in The
PMA Insurance Group's major industry niches for worker's compensation insurance
(construction, heavy manufacturing) in Pennsylvania caused an increase in
indemnity periods for workers who suffered injuries in these industries.

The decline in claim closure rates combined with the fact that the benefits
period in Pennsylvania was unlimited, caused The PMA Insurance Group to believe
that a substantial portion of claimants from the pre-1992 period, who had
already been out of work five to nine years, would not return to work in any
capacity. In late 1995 and during 1996, The PMA Insurance Group undertook an
effort to quantify the impact of the declining closure rates versus the increase
in commutation activity. During the fourth quarter of 1995, workers'
compensation reserves were strengthened by $54.7 million; however, the
quantification of the effect of the claims closure rate was an extremely complex
process, and as such, the data was not fully understood at that time. As the
data under analysis was more

17


mature and refined in 1996, The PMA Insurance Group determined that the workers'
compensation loss reserves for Pennsylvania in the pre-1992 accident years
needed to be increased by $110.0 million.

Benefit reforms enacted by states in which The PMA Insurance Group transacts
business, most significantly Pennsylvania, have had a beneficial impact on more
recent accident year loss and LAE ratios. Prior to 1996, the principal revisions
of the Pennsylvania system included medical cost containment measures and an
expansion of the period of time during which the insurer may require an employee
to accept medical treatment from the employer's list of designated health care
providers. In July 1996, Pennsylvania enacted Act 57, a workers' compensation
reform bill which is expected to substantially reduce indemnity benefit periods
in Pennsylvania. In addition to regulatory reforms, the loss and LAE ratios have
been favorably impacted by the conversion to loss sensitive and alternative
market products. Management believes that the reforms and more stringent
underwriting standards adopted since 1991 have had and continue to have a
beneficial effect on the Company's accident year loss and LAE ratios. For
further discussion of benefit reforms, see "The PMA Insurance Group--Workers'
Compensation Insurance" above.

In addition, management took several steps to reduce the outstanding claims
associated with the Pennsylvania workers' compensation business written through
1991. A formal commutation program was initiated in the fourth quarter of 1996
and continued into late 1997. Commutations are agreements whereby the claimants,
in exchange for a lump sum payment, release their rights to future indemnity
payments from The PMA Insurance Group. The PMA Insurance Group paid
approximately $64.9 million, $113.0 million and $17.8 million in 1998, 1997 and
1996, respectively, to commute workers' compensation indemnity claims. The
commutation program resulted in payments, which were less than the
corresponding carried reserves. Savings associated with these claims were
consistent with management's expectations. The number of open claims for
accident years 1991 and prior was substantially reduced as a result of the
commutation program. This reduction in open claims is expected to reduce the
possibility of any further adverse development on such reserves, although there
can be no assurance that the level of commutations will have a significant
impact on the future development of such reserves. As a result of the success of
this formal commutation program, The PMA Insurance Group has continued its
efforts to commute additional claims from accident years 1991 and prior and also
has started to commute claims for accident years 1992 through 1996.

In 1996, Commercial Lines reserves were strengthened by $21.0 million. The
reserve strengthening in 1996 was principally due to a re-estimation of loss
adjustment costs associated with general liability claims. Through 1991, The PMA
Insurance Group's mix of general liability insurance policies were weighted
towards the manufacturing classes of business. Subsequent to 1991, The PMA
Insurance Group's mix of general liability business became more heavily weighted
towards the construction and contracting classes of business. These particular
classes of business have experienced losses due to construction defects and
similar matters, that have taken longer to emerge than the classes of business
previously written by The PMA Insurance Group. Defense costs associated with
these claims have also exceeded the original estimate of The PMA Insurance
Group's management, which was based on the patterns of indemnification payments
associated with the earlier classes of business written. When this issue was
discovered, The PMA Insurance Group factored the increased defense costs and the
emergence pattern in determining a more appropriate reserve amount for loss
handling costs.

At December 31, 1998, the Company's loss reserves were stated net of $60.4
million of salvage and subrogation. The Company's policy with respect to
estimating the amounts and realizability of salvage and subrogation is to
develop accident year schedules of historic paid salvage and subrogation by line
of business, which are then projected to an ultimate basis using actuarial
projection techniques. The anticipated salvage and subrogation is the estimated
ultimate salvage and subrogation less any amounts received by the Company. The
realizability of anticipated salvage and subrogation is reflected in the
historical data that is used to complete the projection, as historic paid data
implicitly considers realization and collectibility.

18


Asbestos and Environmental Reserves

The Company's asbestos-related loss reserves for the years ended December 31,
were as follows:
(dollar amounts in thousands)



1998 1997 1996
------------- ------------- --------------
Gross of reinsurance:

Beginning reserves............................... $76,726 $80,055 $ 27,611
Incurred losses and LAE.......................... (1,976) 2,435 62,854
Calendar year payments for losses and LAE........ (6,893) (5,764) (10,410)
------- ------- --------
Ending reserves.................................. $67,857 $76,726 $ 80,055
======= ======= ========

Net of reinsurance:
Beginning reserves............................... $48,578 $53,300 $ 23,443
Incurred losses and LAE.......................... (2,754) (36) 39,427
Calendar year payments for losses and LAE....... (2,268) (4,686) (9,570)
------- ------- --------
Ending reserves.................................. $43,556 $48,578 $ 53,300
======= ======= ========


The Company's environmental-related loss reserves for the years ended December
31, were as follows:

(dollar amounts in thousands)



1998 1997 1996
-------------- ------------- --------------
Gross of reinsurance:

Beginning reserves............................... $45,108 $35,626 $20,134
Incurred losses and LAE.......................... 11,895 1,130 22,143
Reserves acquired through purchase of Caliber
One Indemnity Company(1).................. -- 13,060 --
Calendar year payments for losses and LAE........ (9,967) (4,708) (6,651)
------- ------- -------
Ending reserves.................................. $47,036 $45,108 $35,626
======= ======= =======

Net of reinsurance:
Beginning reserves............................... $31,695 $34,592 $20,134
Incurred losses and LAE.......................... 3,644 1,068 21,109
Calendar year payments for losses and LAE....... (5,983) (3,965) (6,651)
------- ------- -------
Ending reserves.................................. $29,356 $31,695 $34,592
======= ======= =======


(1) Such acquired reserves have been reinsured by an affiliate of the former
parent (see "Caliber One" for further discussion).

Of the total net asbestos reserves, approximately $34.2 million, $41.9 million
and $46.5 million related to incurred but not reported losses at December 31,
1998, 1997 and 1996, respectively. Of the total net environmental reserves,
approximately $20.3 million, $20.5 million and $22.1 million related to incurred
but not reported losses at December 31, 1998, 1997 and 1996, respectively. All
incurred asbestos and environmental losses were for accident years 1986 and
prior.

Estimating reserves for asbestos and environmental exposures continues to be
difficult because of several factors, including: (i) evolving methodologies for
the estimation of the liabilities; (ii) lack of reliable historical claim data;
(iii) uncertainties with respect to insurance and reinsurance coverage related
to these obligations; (iv) changing judicial interpretations; and (v) changing
government standards. To reserve for environmental claims, the Company
currently utilizes a calendar year development technique known as aggregate loss
development. This technique focuses on the aggregate losses paid as of a
particular date and aggregate payment patterns associated with such claims.
Several elements including remediation studies, remediation, defense,
declaratory judgment and third party bodily injury claims were considered in
estimating the costs and payment patterns of the environmental and toxic

19


tort losses. Prior to the development of these techniques, there was a
substantial range in the nature of reserving for environmental and toxic tort
liabilities.

In 1996, the Company performed a ground up analysis of loss reserves for direct
asbetos exposures using an actuarially accepted modeling technique. Using
historical information as a base and information obtained from a review of open
claims files, assumptions were made about future claims activity in order to
estimate ultimate losses. For each individual major account, projections were
made regarding new plaintiffs per year, the number of years in which new claims
will be reported, the average loss severity per plaintiff, and the ratio of LAE
to loss. In many cases involving larger asbestos claims, the Company reserved up
to the policy limits for the applicable loss coverage parts for the affected
accounts. Policy terms and reinsurance treaties were applied in the modeling of
future losses.

Management believes that its reserves for asbestos and environmental claims are
appropriately established based upon known facts, existing case law and
generally accepted actuarial methodologies. However, due to changing
interpretations by courts involving coverage issues, the potential for changes
in federal and state standards for clean-up and liability, as well as issues
involving policy provisions, allocation of liability among participating
insurers, proof of coverage and other factors, the Company's ultimate exposure
for these claims may vary significantly from the amounts currently recorded,
resulting in a potential future adjustment that could be material to the
Company's financial condition and results of operations.

INVESTMENTS

The Company's investment policy objectives are to (i) seek competitive after-tax
income and total return, (ii) maintain high investment grade asset quality and
marketability, (iii) maintain maturity distribution commensurate with the
Company's business objectives, (iv) provide portfolio flexibility for changing
business and investment climates and (v) provide liquidity to meet operating
objectives. The Company's investment strategy includes guidelines for asset
quality standards, asset allocations and other relevant criteria for its
portfolio. In addition, maturities are structured after projecting liability
cash flows with actuarial models. Property and casualty claim demands are
somewhat unpredictable in nature and require liquidity from the underlying
invested assets, which are structured to emphasize current investment income to
the extent consistent with maintaining appropriate portfolio quality and
diversity. The liquidity requirements are met primarily through publicly traded
fixed maturities as well as operating cash flows and short-term investments.

The Company's Board of Directors is responsible for the Company's investment
policy objectives. The Company retains outside investment advisers to provide
investment advice and guidance, supervise the Company's portfolio and arrange
securities transactions through brokers and dealers. The Company's Executive and
Finance Committee of the Board of Directors meets periodically with the
investment advisers to review the performance of the investment portfolio and to
determine what actions should be taken with respect to the Company's
investments. Investment by the Pooled Companies, MASCCO and PMA Reinsurance
Corporation must comply with the insurance laws and regulations of the
Commonwealth of Pennsylvania and investments for Caliber One Indemnity Company
must comply with the insurance laws and regulations of Delaware.

The Company currently has only one derivative financial instrument outstanding,
an interest rate swap on its Credit Facility, which is used as a hedge in
accordance with the Company's investment strategy. Derivatives are not used for
speculative purposes. The Company's portfolio does not contain any significant
concentrations in single issuers (other than U.S. treasury and agency
obligations), industry segments or geographic regions.

For additional information on the Company's investments, including carrying
values by category, quality ratings and net investment income, see pages 44-45
of the MD&A as well as Notes 2 and 3 to the Financial Statements in the Annual
Report.

20


COMPETITION

The domestic property and casualty insurance and reinsurance industries are very
competitive and consist of many companies, with no one company dominating the
market. In addition, the degree and nature of competition varies from state to
state for a variety of reasons, including the regulatory climate and other
market participants in each state. In addition to competition from other
insurance companies, The PMA Insurance Group and Caliber One compete with
certain alternative market arrangements, such as captive insurers, risk-sharing
pools and associations, risk retention groups, and self-insurance programs. PMA
Re competes with other reinsurers in the broker market as well as reinsurers
that underwrite reinsurance business on a direct basis. Many of the Company's
competitors are larger and have greater financial resources than the Company.

The main factors upon which entities in the Company's markets compete are price,
service, product capabilities and financial security. The PMA Insurance Group,
PMA Re and Caliber One attempt to price their products in such a way that the
prices charged to their clients are commensurate with the overall marketplace
while still meeting rate of return targets. The present soft pricing
environment has made competing solely on the basis of price increasingly
difficult. The PMA Insurance Group, PMA Re and Caliber One have rejected and/or
non-renewed certain accounts in recent years, as the market rates for such risks
did not provide the opportunity to achieve an acceptable rate of return.

In terms of service, the Company maintains service standards concerning turn-
around time for underwriting submissions, information flow, claims handling and
the quality of other services. These standards help ensure that clients are
satisfied with the Company's products and services. The Company periodically
participates in surveys of intermediaries and clients to gain an understanding
of the perceptions of its service as compared to its competitors.

The Company attempts to design products that meet the needs of clients in its
markets. In recent years, The PMA Insurance Group has developed products that
reflect the evolving nature of the workers' compensation market. Specifically,
it has increased its focus on rehabilitation and managed care to keep workers'
compensation costs lower for the employers. In addition, The PMA Insurance
Group has introduced and refined alternative market products, as well as
unbundled risk management and claims administration services. See "The PMA
Insurance Group--Products." PMA Re has also expanded its product line in recent
years to satisfy the needs of its client base. Products introduced by PMA Re in
the last two years include facultative reinsurance and finite risk reinsurance.
See "PMA Re--Products" for additional discussion. Caliber One intends to design
products that meet the needs of new classes of business and that cover emerging
risks. The Company continually evaluates new product opportunities for The PMA
Insurance Group, PMA Re and Caliber One.

For many intermediaries and clients, financial security is measured by the
ratings assigned by independent rating agencies. Certain of the Company's
insurance subsidiaries are rated by independent rating agencies. The ratings
represent the opinions of the rating agencies on the insurance company's
financial strength and its ability to pay obligations to its policyholders.
Management believes that the ratings assigned by nationally recognized,
independent rating agencies, particularly A.M. Best, are material to the
Company's operations.

The rating scales of the principal agencies that rate the Company's insurance
subsidiaries are characterized as follows:

. A.M. Best Company, Inc. ("A.M. Best"), A++ to F ("Superior" to "In
Liquidation")

. Moody's Investors Service ("Moody's"), Aaa to C ("Exceptional" to
"Lowest")

As of March 15, 1999, A.M. Best had assigned an A+ ("Superior," 2nd of 16)
rating to PMA Reinsurance Corporation, an A- ("Excellent," 4th of 16) rating to
the Pooled Companies and an A ("Excellent," 3rd of 16) rating to Caliber One
Indemnity Company. In addition, Moody's had rated PMA Reinsurance Corporation
A3 ("Good," 7th of 21) and the Pooled Companies Baa2 ("Adequate," 9th of 21).
These ratings are subject to revision or withdrawal at any time by the rating
agencies, and therefore, no assurance can be given that PMA Reinsurance

21


Corporation, the Pooled Companies and/or Caliber One Indemnity Company can
maintain these ratings. Each rating should be evaluated independently of any
other rating.


REGULATORY MATTERS


General

PMA Reinsurance Corporation is licensed or accredited to transact its
reinsurance business in, and is subject to regulation and supervision by, 50
states and the District of Columbia. The Pooled Companies are licensed to
transact insurance business in, and are subject to regulation and supervision
by, 43 states and the District of Columbia. Caliber One Indemnity Company is
licensed in one state and is an eligible excess and surplus lines carrier in 40
states, the District of Columbia and Puerto Rico. The Company's insurance
subsidiaries are authorized and regulated in all jurisdictions where they
conduct insurance business. In supervising and regulating insurance and
reinsurance companies, state insurance departments, charged primarily with
protecting policyholders and the public rather than investors, enjoy broad
authority and discretion in applying applicable insurance laws and regulations
for the protection of policyholders and the public. PMA Reinsurance Corporation
and the Pooled Companies are domiciled in Pennsylvania, therefore the
Pennsylvania Insurance Department exercises principal regulatory jurisdiction
over them. Caliber One Indemnity Company is domiciled in Delaware, therefore the
Delaware Insurance Department exercises principal jurisdiction over Caliber One
Indemnity Company. The extent of regulation by the states varies, but in
general, most jurisdictions have laws and regulations governing standards of
solvency, adequacy of reserves, reinsurance, capital adequacy and standards of
business conduct.

In addition, statutes and regulations usually require the licensing of insurers
and their agents, the approval of policy forms and related material and, for
certain lines of insurance, the approval of rates. Property and casualty
reinsurers and excess and surplus lines carriers are generally not subject to
filing or other regulatory requirements applicable to primary standard lines
insurers with respect to rates, policy forms or contract wording. The form and
content of statutory financial statements are regulated.

State insurance departments in jurisdictions in which the Company's insurance
subsidiaries do business also conduct periodic examinations of their respective
operations and accounts and require the filing of annual and other reports
relating to their financial condition. The Pennsylvania Department of Insurance
last conducted examinations of PMA Reinsurance Corporation and the Pooled
Companies as of December 31, 1992, and the Delaware Department of Insurance last
conducted an examination of Caliber One Indemnity Company as of December 31,
1996. No adjustments to previously filed statutory financial statements were
required as a result of such examinations. In addition, there were no material
qualitative matters indicated in the examination reports that had or are
expected to have a material adverse effect on the operations of PMA Reinsurance
Corporation, the Pooled Companies or Caliber One Indemnity Company. The
Pennsylvania Department of Insurance is currently conducting examinations of PMA
Reinsurance Corporation, the Pooled Companies and MASCCO as of December 31,
1997. Although the Company has not received the final reports of examination,
the Company does not expect the results of the examinations to have a material
adverse effect on results of operations of PMA Reinsurance Corporation, the
Pooled Companies or MASCCO.

Insurance Holding Company Regulation

The Company and its insurance subsidiaries are subject to regulation pursuant to
the insurance holding company laws of Pennsylvania and Delaware. These state
insurance holding company laws generally require an insurance holding company
and insurers and reinsurers that are members of such insurance holding company's
system to register with the state regulatory authorities, to file with those
authorities certain reports disclosing information including their capital
structure, ownership, management, financial condition, certain intercompany
transactions including material transfers of assets and intercompany business
agreements, and to report material changes in such information. These laws also
require that intercompany transactions be fair and reasonable and that an
insurer's policyholders' surplus following any dividends or distributions to
shareholder affiliates be reasonable in relation to the insurer's outstanding
liabilities and adequate for its financial needs.

22


Under Pennsylvania and Delaware law, no person may acquire, directly or
indirectly, a controlling interest in the capital stock of the Company unless
such person, corporation or other entity has obtained prior approval from the
respective Commissioner for such acquisition of control. Pursuant to the
Pennsylvania and Delaware law, any person acquiring, controlling or holding the
power to vote, directly or indirectly, ten percent or more of the voting
securities of an insurance company, is presumed to have "control" of such
company. This presumption may be rebutted by a showing that control does not
exist in fact. The respective Commissioner, however, may find that "control"
exists in circumstances in which a person owns or controls a smaller amount of
voting securities. To obtain approval from the Commissioner of any acquisition
of control of an insurance company, the proposed acquirer must file with the
Commissioner an application containing information regarding: the identity and
background of the acquirer and its affiliates; the nature, source and amount of
funds to be used to carry out the acquisition; the financial statements of the
acquirer and its affiliates; any potential plans for disposition of the
securities or business of the insurer; the number and type of securities to be
acquired; any contracts with respect to the securities to be acquired; any
agreements with broker-dealers; and other matters.

Other jurisdictions in which the Company's insurance subsidiaries are licensed
to transact business may have requirements for prior approval of any acquisition
of control of an insurance or reinsurance company licensed or authorized to
transact business in those jurisdictions. Additional requirements in those
jurisdictions may include re-licensing or subsequent approval for renewal of
existing licenses upon an acquisition of control. As further described below,
laws that govern the holding company structure also govern payment of dividends
by the Company's insurance subsidiaries to the Company.

Restrictions on Subsidiaries' Dividends and Other Payments

PMA Capital is an insurance holding company whose assets consist principally of
all of the outstanding common stock of its insurance subsidiaries. PMA Capital's
ongoing ability to pay dividends to its shareholders and meet its other
obligations, including operating expenses and any principal and interest on
debt, is primarily dependent on the receipt of sufficient funds from its
insurance subsidiaries in the form of dividends, net payments under a tax-
sharing agreement between PMA Capital and its subsidiaries and loans. The
payment of dividends by the Company's insurance subsidiaries to PMA Capital is
regulated under the insurance laws of Pennsylvania and Delaware (such laws are
substantially similar). In addition, to the extent tax-sharing payments and
loans exceed certain threshold amounts, notice to and non-disapproval by the
Pennsylvania Insurance Commissioner would be required.

Under Pennsylvania law, PMA Capital's significant Pennsylvania-domiciled
insurance subsidiaries (PMA Reinsurance Corporation and the Pooled Companies)
may pay dividends only from unassigned surplus and future earnings arising from
their businesses and must receive prior approval of the Pennsylvania Insurance
Commissioner to pay a dividend if such dividend would exceed the statutory
limitation. The current statutory limitation is the greater of (i) 10% of the
insurer's policyholders' surplus, as shown on its last annual statement on file
with the Pennsylvania Insurance Commissioner or (ii) the insurer's statutory net
income for the previous calendar year. Pennsylvania law gives the Pennsylvania
Insurance Commissioner broad discretion to disapprove requests for dividends in
excess of these limits.

Based upon this limitation, these companies have the legal capacity to pay $51.8
million in dividends to PMA Capital in 1999 without obtaining the prior approval
of the Pennsylvania Insurance Commissioner. Pennsylvania law also provides that
following the payment of any dividend, the insurer's policyholders' surplus must
be reasonable in relation to its outstanding liabilities and adequate for its
financial needs, and permits the Pennsylvania Insurance Commissioner to bring an
action to rescind a dividend which violates these standards. During 1998, $35.5
million of dividends were paid by PMA Reinsurance Corporation and the Pooled
Companies to PMA Capital Corporation.

Caliber One Indemnity Company is a Delaware-domiciled insurance subsidiary of
PMA Reinsurance Corporation. As a subsidiary of PMA Reinsurance Corporation,
Caliber One Indemnity Company's dividends are not directly available to PMA
Capital. As noted above, the Delaware insurance law provisions restricting
dividends by insurers are substantially similar to such provisions under
Pennsylvania insurance laws. During 1999, Caliber One Indemnity Company may pay
up to $2.5 million of dividends to PMA Reinsurance Corporation without the prior
approval of the Delaware Insurance Commissioner. During 1998, no dividends were
declared or paid by Caliber One Indemnity Company.

23


In the event that the ability of either the Pooled Companies or PMA Reinsurance
Corporation to pay dividends or make other payments to PMA Capital in the future
is reduced or eliminated, PMA Capital's ability to pay dividends to its
shareholders and meet its other obligations, including operating expenses and
any principal and interest on debt could be materially and adversely affected,
depending upon the extent of such reduction. The Pennsylvania Insurance
Commissioner could use his or her broad discretionary authority to seek to
require PMA Capital to apply payments received from one insurance subsidiary for
the benefit of another insurance subsidiary of PMA Capital.

In addition to regulatory restrictions on dividends, the Company's Revolving
Credit Facility and Letter of Credit Facility also impose restrictions on the
ability of the Company's insurance subsidiaries to pay dividends. Under these
restrictions, the statutory surplus of PMA Capital's insurance subsidiaries (as
measured each calendar quarter) must not be less than $450 million and such
subsidiaries must annually maintain certain minimum ratios of adjusted surplus
to risk-based capital (300% for PMA Reinsurance Corporation and 230% for the
Pooled Companies in 1998, increasing to 240% thereafter). As of December 31,
1998, the Company's insurance subsidiaries reported combined statutory surplus
of $569.4 million, and, as of December 31, 1998, PMA Reinsurance Corporation's
risk-based capital ratio was 348% and the Pooled Companies' ratios ranged from
316% to 368%.

Risk-Based Capital

The National Association of Insurance Commissioners (the "NAIC") has adopted
risk-based capital ("RBC") requirements for property/casualty insurance
companies to evaluate the adequacy of statutory capital and surplus in relation
to investment and insurance risks such as asset quality, asset and liability
matching, loss reserve adequacy and other business factors. Under RBC
requirements, regulatory compliance is determined by the ratio of a Company's
total adjusted capital, as defined by the NAIC, to its authorized control level
of RBC, also as defined by the NAIC.

Four levels of regulatory attention may be triggered if the ratio of total
adjusted capital to RBC ("RBC ratio") is insufficient:

* If an insurance company's RBC ratio is between 150% and 200%, the "company
action level," the company must submit a plan to the regulator detailing
corrective action it proposes to undertake.

* If a company's RBC ratio is between 100% and 150%, the "regulatory action
level," the company must also submit a plan, but a regulator may also issue a
corrective order requiring the insurer to comply within a specified period.

* If a company's RBC ratio is between 70% and 100%, the "authorized control
level," the regulatory response is the same as at the "regulatory action
level," but in addition, the regulator may take action to rehabilitate or
liquidate the insurer.

* If the RBC ratio for a company is less than 70%, the "mandatory control
level," the regulator must rehabilitate or liquidate the insurer.

At December 31, 1998, the RBC ratios of the Pooled Companies ranged from 316% to
368%, and the ratio of MASCCO, The PMA Insurance Group's run-off subsidiary, was
270%. PMA Reinsurance Corporation's ratio was 348% and Caliber One Indemnity
Company's ratio was 1,389%.

The Company believes that it will be able to maintain the RBC ratios of its
insurance subsidiaries in excess of regulatory requirements through prudent
underwriting and claims handling, investing and capital management. However, no
assurances can be given that developments affecting the insurance subsidiaries,
many of which could be outside of management's control, including but not
limited to changes in the regulatory environment, economic conditions and
competitive conditions in the jurisdictions in which the insurance subsidiaries
write business, will cause the RBC ratios to fall below required levels
resulting in a corresponding regulatory response.

The NAIC has developed a series of twelve ratios (the "IRIS ratios") designed to
further assist regulators in assessing the financial condition of insurers.
These ratio results are computed annually and reported to the NAIC

24


and the insurer's state of domicile. In 1998, PMA Reinsurance Corporation
reported an unusual value in one ratio, relating to reserve development due to
the change in mix of business and growth in earned premiums. In 1998, each of
the Pooled Companies reported an unusual value in one ratio, relating to reserve
development due to the paydown of loss reserves. In 1998, MASCCO reported
unusual values in two ratios due to its reinsurance treaty with PMA
International Insurance, Cayman Ltd. and a dividend paid to its parent. In
addition, Caliber One Indemnity Company reported one unusual value, relating to
the change in net premiums written.

EMPLOYEES

As of February 28, 1999, the Company had approximately 1,000 full-time
employees. None of the employees of the Company is represented by a labor union
and the Company is not a party to any collective bargaining agreements. The
Company considers its employee relations to be good.

25


Glossary of Selected Insurance Terms

Actuarial analysis............ Evaluation of risks in order to attempt to assure
that premiums and loss reserves adequately
reflect expected future loss experience and
claims payments; in evaluating risks,
mathematical models are used to predict future
loss experience and claims payments based on past
loss ratios and loss development patterns and
other relevant data and assumptions.

Adverse loss development.......Increases in losses and ALAE exceeding
anticipated loss and ALAE experience over a given
period of time.

Allocated loss adjustment
expenses ("ALAE")..............Allocated loss adjustment expenses include all
legal expenses and other expenses incurred by a
company in connection with the investigation,
adjustment, settlement or litigation of claims or
losses under business covered. ALAE does not
include costs of a company's internal counsel,
claims staff or other overhead or general expense
of the company.

Attachment point...............The amount of losses above which excess of loss
reinsurance becomes operative.

Broker; intermediary...........One who negotiates contracts of reinsurance
between a primary insurer or other reinsured and
a reinsurer on behalf of the primary insurer or
other reinsured. The broker receives from the
reinsurer a commission for placement and other
services rendered.

Broker reinsurer...............A reinsurer that markets and sells reinsurance
through brokers rather than through its own
employees.

Bulk reserves..................Reserves established on an aggregate basis to
provide for losses incurred but not yet reported
to the insurer; to provide for the estimated
expenses of settling claims, including legal and
other fees and general expenses of administering
the claims adjustment process; and to adjust for
the fact that, in the aggregate, case reserves
may not accurately estimate the ultimate
liability for reported claims.

Case reserves..................Loss reserves established with respect to
individual reported claims.

Casualty insurance and/or
reinsurance....................Insurance and/or reinsurance that is concerned
primarily with the losses caused by injuries to
third persons (in other words, persons other than
the policyholder) and the legal liability imposed
on the insured resulting therefrom.

Catastrophe reinsurance........A form of excess of loss property reinsurance
that, subject to a specified limit, indemnifies
the ceding company for the amount of loss in
excess of a specified retention with respect to
an accumulation of losses resulting from a
catastrophic event. The actual reinsurance
document is called a "catastrophe cover."

Cede; ceding company;
cedent.........................When a company reinsures its risk with another,
it "cedes" business and is referred to as the
"ceding company" or the "cedent".

Claim closure rate.............The number of closed lost time workers'
compensation claims divided by total reported
lost time workers' compensation claims by
accident year as of a given evaluation date.

26


Clash cover....................A form of excess of loss casualty reinsurance
policy covering losses arising from a single set
of circumstances covered by more than one primary
policy. For example, if an insurer covers both
motorists involved in an accident, a clash cover
would protect the insurer from suffering a net
loss in the full amount of both parties. The
clash cover would pay to the insurer a portion of
the loss in excess of the coverage of one of the
two parties.

Combined ratio.................The sum of the loss and LAE ratio, the
underwriting expense ratio, and the
policyholders' dividend ratio.

Direct reinsurer, direct
underwriter, direct writer.....A reinsurer that markets and sells reinsurance
directly to its reinsureds without the assistance
of brokers.

Excess and surplus lines.......Surplus lines risks are those risks not fitting
normal underwriting patterns, involving a degree
of risk that is not commensurate with standard
rates and/or policy forms, or that will not be
written by standard carriers because of general
market conditions. Excess insurance refers to
coverage that attaches for an insured over the
limits of a primary policy or a stipulated self-
insured retention. Policies are bound or accepted
by carriers not licensed in the jurisdiction
where the risk is located, and generally are not
subject to regulations governing premium rates or
policy language.

Excess of loss reinsurance.....The generic term describing reinsurance that
indemnifies the reinsured against all or a
specified portion of losses on underlying
insurance policies in excess of a specified
dollar amount, called a "layer" or "retention."
Also known as nonproportional reinsurance or stop
loss coverage.

Facultative reinsurance........The reinsurance of all or a portion of the
insurance provided by a single policy. Each
policy reinsured is separately negotiated.

Finite risk reinsurance........The reinsurance of potential losses in a
transaction in which the primary element of risk
is financial rather than underwriting.

Gross premiums written.........Total premiums for direct insurance and
reinsurance assumed during a given period.

Incurred but not reported
("IBNR") reserves..............Loss reserves for estimated losses that have been
incurred but not yet reported to the insurer or
reinsurer.

Incurred losses................The total losses sustained by an insurance
company under a policy or policies, whether paid
or unpaid. Incurred losses include a provision
for claims that have occurred but have not yet
been reported to the insurer ("IBNR").

IRIS ratios....................Financial ratios annually calculated by the NAIC
to assist state insurance departments in
monitoring the financial condition of insurance
companies.

Layers.........................The division of a particular reinsurance program
delineated by an attachment point and a maximum
limit. Often, a reinsurance program will be
divided into several layers, with the lower
layers (see "Low or working layer excess of loss
reinsurance") typically having higher premiums
and higher claim frequency and the higher layers
typically having lower premiums and claim
frequency.

Loss adjustment expenses
("LAE")........................The expenses of settling claims, including legal
and other fees and the portion of general
expenses allocated to claim settlement costs.

27


Loss and LAE ratio (GAAP)......Loss and LAE ratio is equal to losses and LAE
divided by earned premiums. Undiscounted loss and
LAE ratios refer to loss and LAE ratios that do
not consider the net effect of discounting of
loss reserves.

Loss reserves..................Liabilities established by insurers and
reinsurers to reflect the estimated cost of
claims payments that the insurer or reinsurer
ultimately will be required to pay in respect of
insurance or reinsurance it has written. Reserves
are established for losses and for LAE and
consist of case reserves, bulk reserves and IBNR
reserves.

Low or working layer excess of
loss reinsurance...............Reinsurance that absorbs the losses immediately
above the reinsured's retention layer. A low
layer excess of loss reinsurer will pay up to a
certain dollar amount at which point a higher
layer reinsurer (or the ceding company) will be
liable for additional losses.

Manual rates...................Insurance rates for lines and classes of business
that are approved and published by state
insurance departments.

Manual rate level or average
manual rate level..............Manual rates for lines and classes of business
relative to a benchmark; within this document,
the term refers to the manual rates, as compared
to other periods, such as a prior policy year.

Net investment income ratio....The ratio of net investment income to net
premiums earned.

Net premiums earned............The portion of net premiums written that is
earned during a period and recognized for
accounting purposes as revenue.

Net premiums written...........Gross premiums written for a given period less
premiums ceded to reinsurers during such period.

Operating ratio................The combined ratio, reduced by the net investment
income ratio. The ratio measures a company's
operating profitability, exclusive of realized
gains and federal income taxes.

Per occurrence.................A form of insurance or reinsurance under which
the date of the loss event is deemed to be the
date of the occurrence, regardless of when
reported and permits all losses arising out of
one event to be aggregated instead of being
handled on a risk-by-risk basis.

Policyholders' dividend ratio..The ratio of policyholders' dividends to earned
premiums

Primary insurer................An insurance company that issues insurance
policies to the general public or to certain non-
insurance entities.

Pro rata reinsurance...........Forms of reinsurance in which the reinsurer
shares a proportional part of the original
premiums and losses of the reinsured. Pro rata
reinsurance also is known as proportional
reinsurance, quota share reinsurance and
participating reinsurance.

Property insurance
and/or reinsurance.............Insurance and/or reinsurance that indemnifies a
person with an insurable interest in tangible
property for his property loss, damage or loss of
use.

Reinsurance....................The practice whereby one party, called the
reinsurer, in consideration of a premium paid to
it, agrees to indemnify another party, called the
reinsured, for part or all of the liability
assumed by the reinsured under a policy or
policies of

28


insurance that it has issued. The reinsured may
be referred to as the original or primary
insurer, the direct writing company or the ceding
company.

Retention, retention layer.....The amount or portion of risk that an insurer or
reinsurer retains for its own account. Losses in
excess of the retention layer are paid by the
reinsurer or retrocessionaire. In proportional
treaties, the retention may be a percentage of
the original policy's limit. In excess of loss
business, the retention is a dollar amount of
loss, a loss ratio or a percentage.

Retrocession;
retrocessionaire...............A transaction whereby a reinsurer cedes to
another reinsurer (the "retrocessionaire") all or
part of the reinsurance it has assumed.
Retrocession does not legally discharge the
ceding reinsurer from its liability with respect
to its obligations to the reinsured.

Statutory accounting
principles ("SAP").............Recording transactions and preparing financial
statements in accordance with the rules and
procedures prescribed or permitted by state
insurance regulatory authorities including the
NAIC.

Statutory or policyholder's
surplus; statutory capital
& surplus......................The excess of admitted assets over total
liabilities (including loss reserves), determined
in accordance with SAP.

Stop loss......................See "Excess of loss reinsurance".

Treaty reinsurance.............The reinsurance of a specified type or category
of risks defined in a reinsurance agreement (a
"treaty") between a primary insurer or other
reinsured and a reinsurer. Typically, in treaty
reinsurance, the primary insurer or reinsured is
obligated to offer and the reinsurer is obligated
to accept a specified portion of all agreed upon
types or categories of risks originally written
by the primary insurer or reinsured.

Underwriting...................The reinsurer's process of reviewing applications
submitted for insurance coverage, deciding
whether to accept all or part of the coverage
requested and determining the applicable
premiums.

Underwriting cycle.............An historical pattern in which property and
casualty insurance and reinsurance premiums,
profits and availability of coverage rise and
fall over time.

Underwriting expenses..........The aggregate of policy acquisition costs,
including commissions, and the portion of
administrative, general and other expenses
attributable to underwriting operations.

Underwriting expense ratio.....The ratio of underwriting expenses to earned
premiums.

Unearned premiums..............The portion of a premium representing the
unexpired portion of the exposure period as of a
certain date.

Unearned premium reserve.......Liabilities established by insurers and
reinsurers to reflect unearned premiums which are
refundable to policyholders if an insurance or
reinsurance contract is canceled prior to
expiration of the contract term.

29


Item 2. Properties

The Company's and PMA Re's headquarters are located in 78,000 square feet of
leased space in center city Philadelphia, Pennsylvania. The PMA Insurance
Group's headquarters are located in a four story, 110,000 square foot building
in Blue Bell, Pennsylvania. Caliber One's headquarters are located in 10,000
square feet of leased office space in Langhorne, Pennsylvania.

Through various wholly owned subsidiaries, the Company also owns and occupies
additional office facilities in three other locations and rents additional
office space for its insurance operations in 15 other locations. The Company
believes that such owned properties are suitable and adequate for its current
business operations.

Item 3. Legal Proceedings

The Company is continuously involved in numerous lawsuits arising, for the most
part, in the ordinary course of business, either as a liability insurer
defending third-party claims brought against its insureds, or as an insurer
defending coverage claims brought against it by its policyholders or other
insurers. While the outcome of all litigation involving the Company, including
insurance-related litigation, cannot be determined, litigation is not expected
to result in losses that differ from recorded reserves by amounts that would be
material to results of operations, liquidity or financial condition. In
addition, reinsurance recoveries related to claims in litigation, net of the
allowance for uncollectible reinsurance, are not expected to result in
recoveries that differ from recorded recoverables by amounts that would be
material to the results of operations, liquidity or financial condition.

Item 4. Submission of Matters to a Vote of Security Holders

There were no matters submitted to a vote of security holders during the fourth
quarter of 1998.

Executive Officers of the Registrant

The executive officers of the Company are as follows:



Name Age Position
- --------------------------- --- -----------------------------------------------------

John W. Smithson........... 53 President and Chief Executive Officer
Frederick W. Anton III..... 65 Chairman of the Board
Ronald S. Austin........... 41 President and Chief Operating Officer - Caliber One
Indemnity Company
Vincent T. Donnelly........ 46 President and Chief Operating Officer -
The PMA Insurance Group
Stephen G. Tirney.......... 45 President and Chief Operating Officer - PMA
Reinsurance Corporation
Francis W. McDonnell....... 42 Senior Vice President, Chief Financial Officer
and Treasurer


John W. Smithson has served as President and Chief Executive Officer of the
Company since May 1997, and as a director of the Company since 1987. Mr.
Smithson served as President and Chief Operating Officer of the Company from
1995 to May 1997, as Chairman and Chief Executive Officer of PMA Reinsurance
Corporation since 1984 and as Chairman and Chief Executive Officer of The PMA
Insurance Group since April 1995. Mr. Smithson started with the Company in
1972.

Frederick W. Anton III has served as Chairman of the Board since 1995 and as a
director of the Company since 1972. Mr. Anton served as Chairman of the Board
and Chief Executive Officer from 1995 to May 1997, and as President and Chief
Executive Officer from 1981 to 1995. Mr. Anton started with the Company in
1962.

30


Ronald S. Austin has served as the President and Chief Operating Officer of
Caliber One Indemnity Company since 1997. From 1988 to 1997, Mr. Austin served
as an officer and director of General Star Management Company, a member of the
General Re Group.

Vincent T. Donnelly has served as President and Chief Operating Officer of The
PMA Insurance Group since February 1997. Mr. Donnelly served as Senior Vice
President - Finance and Chief Actuary of The PMA Insurance Group from 1992 to
1997.

Stephen G. Tirney has served as President and Chief Operating Officer of PMA
Reinsurance Corporation since 1997. Mr. Tirney served as Executive Vice
President of PMA Reinsurance Corporation from 1993 to 1997, as Senior Vice
President of PMA Reinsurance Corporation from 1989 to 1993 and has been an
employee of PMA Reinsurance Corporation since 1976.

Francis W. McDonnell has served as Senior Vice President and Chief Financial
Officer of the Company since 1995 and as Treasurer since 1997, and has served as
Senior Vice President and Chief Financial Officer of PMA Reinsurance Corporation
since 1995. From 1993 to 1995, Mr. McDonnell served as Vice President Finance
of PMA Reinsurance Corporation.

PART II

Item 5. Market for the Registrant's Common Equity and Related Shareholder
Matters

The "Class A Common Stock Prices" and "Class A Common Stock Bids" under the
caption "Quarterly Financial Information" and also in the last paragraph on page
80 of the Annual Report, as well as the information under the captions
"Securities Listing" and "Dividends" on the inside back cover of the Annual
Report are incorporated herein by reference. Further, the information in Note
15 to the Financial Statements in the Annual Report and under the caption
"Regulation--Restrictions on Subsidiaries' Dividends and Other Payments" in Item
1 of this Form 10-K is incorporated herein by reference.

Recent Sales of Unregistered Securities

During the years ended December 31, 1997 and 1996, the Company sold shares of
Class A Common Stock in connection with the exercise of employee stock options
pursuant to the terms of the Company's stock option plans. In 1997, an aggregate
of 162,248 shares were sold to fourteen officers and employees of the Company
pursuant to such options at exercise prices ranging from $8.00 to $15.00 per
share for an aggregate price of $1,424,349. Additionally, in 1997, the Company
sold 1,000 shares to employees at $18.00 per share. In 1996, an aggregate of
97,150 shares were sold to five officers of the Company pursuant to such options
at exercise prices ranging from $6.60 to $10.00 per share for an aggregate price
of $806,000. The Company believes that these sales were made pursuant to the
exemption afforded by Section 4(2) of the Securities Act inasmuch as the sales
were made to a limited number of sophisticated investors in transactions not
involving a public offering. No unregistered sales of Company securities were
made in 1998.

Item 6. Selected Financial Data

The information under the caption "Selected Financial Data" on page 26 of the
Annual Report is incorporated herein by reference.

Item 7. Management's Discussion and Analysis of Financial Condition and
Results of Operations

Management's Discussion and Analysis of Financial Condition and Results of
Operations on pages 28 through 49 of the Annual Report is incorporated herein by
reference.



31

Item 7A. Quantitative and Qualitative Disclosures About Market Risk

The information under the caption "Market Risk of Financial Instruments" on
pages 45 and 46 of the Annual Report is incorporated herein by reference.

Item 8. Financial Statements and Supplementary Data

The Company's Consolidated Financial Statements and Notes to Consolidated
Financial Statements on pages 50 through 78 and the Report of Independent
Accountants on page 79 of the Annual Report are incorporated herein by
reference, as is the unaudited "Income Statement Data" and "Per Share Data"
under the caption "Quarterly Financial Information" on page 80 of the Annual
Report.

Item 9. Changes in and Disagreements with Accountants on Accounting and
Financial Disclosure


None.

PART III

Item 10. Directors and Executive Officers of the Registrant

See "Executive Officers of the Registrant" under Item 4 above. The information
under the captions "Nominees For Election" and "Directors Continuing in Office"
on pages 5 and 6 of the Company's 1999 Proxy Statement dated March 26, 1999
("Proxy Statement") is incorporated herein by reference, as is the information
under the caption "Section 16(a) Beneficial Reporting Compliance" on page 23 of
the Proxy Statement.

Item 11. Executive Compensation

The information under the caption "Compensation of Executive Officers" on pages
8 through 12 and under the caption "Director Compensation" on page 7 of the
Proxy Statement is incorporated herein by reference.

Item 12. Security Ownership of Certain Beneficial Owners and Management

The information under the caption "Beneficial Ownership of Common Stock" on
pages 2 through 4 of the Proxy Statement is incorporated herein by reference.

Item 13. Certain Relationships and Related Transactions

The information under the captions "Certain Transactions" on pages 18 and 19 as
well as "Compensation Committee Interlocks and Insider Participation" on page 12
of the Proxy Statement is incorporated herein by reference.


32


PART IV

Item 14. Exhibits, Financial Statement Schedules, and Reports on Form 8-K

FINANCIAL STATEMENTS AND SCHEDULES
(a)(1) The following consolidated financial statements of PMA Capital and its
subsidiary companies and Report on Independent Accountants, included on
pages 50 through 79 of the Annual Report are incorporated herein by
reference:

. Consolidated Balance Sheets at December 31, 1998 and 1997.

. Consolidated Statements of Operations for the years ended December 31,
1998, 1997 and 1996.

. Consolidated Statements of Shareholders' Equity for the years ended
December 31, 1998, 1997 and 1996.

. Consolidated Statements of Cash Flows for the years ended December 31,
1998, 1997 and 1996.

. Consolidated Statements of Comprehensive Income for the years ended
December 31, 1998, 1997 and 1996.

. Notes to the Consolidated Financial Statements

. Report of Independent Accountants

(a)(2) The Financial Statement Schedules are listed in the Index to Financial
Statement Schedules on page FS-1

All other schedules specified by Article 7 of Regulation S-X are not required
pursuant to the related instructions or are inapplicable and, therefore, have
been omitted.


(a)(3) The Exhibits are listed in the Index to Exhibits on pages E-1 through
E-3.

(b) Reports on Form 8-K filed in the fourth quarter of 1998

During the last quarter of the fiscal year ended December 31, 1998, the
registrant filed a Report under Item 5 on Form 8-K dated December 7,
1998, regarding (1) the change of its corporate name from "Pennsylvania
Manufacturers Corporation" to "PMA Capital Corporation"; (2) the change
of the trading symbol for the registrant's Class A Common Stock on the
Nasdaq National Market from "PMFRA" to "PMACA"; and (3) a change of the
address of its principal executive offices to 1735 Market Street, Suite
2800, Philadelphia, Pennsylvania 19103-7590.

33


Signatures

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange
Act of 1934, the registrant has duly caused this report to be signed on its
behalf, and in the capacities indicated, by the undersigned, thereunto duly
authorized.

PMA CAPITAL CORPORATION

Date: March 31, 1999 By: /s/ Francis W. McDonnell
-----------------------------------
Francis W. McDonnell,
Senior Vice President,
Chief Financial Officer and Treasurer
(Principal Financial
and Accounting Officer)


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 indicated on March 31, 1999.

Signature* Title
- --------- -----

John W. Smithson President and Chief Executive Officer and
a Director (Principal Executive Officer)
Frederick W. Anton III Chairman of the Board and a Director
Paul I. Detwiler, Jr. Director
Joseph H. Foster Director
Anne S. Genter Director
James F. Malone III Director
A. John May Director
Louis N. McCarter III Director
John W. Miller, Jr. Director
Edward H. Owlett Director
Louis I. Pollock Director
Roderic H. Ross Director
L. J. Rowell, Jr. Director

By: /s/ Charles A. Brawley, III
----------------------------
Charles A. Brawley, III
Attorney-in-Fact


34



PMA CAPITAL CORPORATION
INDEX TO FINANCIAL STATEMENT SCHEDULES
--------------------------------------


Schedule No. Description Page


II Condensed Financial Information of FS-2 to FS-4
Registrant as of December 31, 1998 and
1997 and for the years ended December 31,
1998, 1997 and 1996

III Supplementary Insurance Information for the FS-5
years ended December 31, 1998, 1997 and 1996

IV Reinsurance for the years ended December 31, FS-6
1998, 1997 and 1996

V Valuation and Qualifying Accounts for the FS-7
years ended December 31, 1998, 1997 and 1996

VI Supplemental Information Concerning FS-8
Property and Casualty Insurance Operations
for the years ended December 31, 1998, 1997
and 1996

Report of Independent Accountants on Financial
Schedules Statement FS-9


Certain financial statement schedules have been omitted because they are either
not applicable or the required financial information is contained in the
Company's 1998 consolidated financial statements and notes thereto.




FS-1

PMA Capital Corporation
Schedule II - Registrant Only Financial Statements
Balance Sheets
(Parent Company Only)


As of December 31,
(dollar amounts in thousands) 1998 1997
------------------------------------------------------------------------------------------------------------

Assets
Cash $ - $ 253
Investment in subsidiaries 700,772 639,193
Deferred income taxes, net 8,078 29,163
Related party receivables - 561
Other assets 420 22,545
------------------------------------
Total assets $ 709,270 $ 691,715
================= =================

Liabilities
Long-term debt $ 163,000 $ 203,000
Related party payables 14,354 -
Dividends payable to shareholders 2,013 2,008
Other liabilities 18,423 8,360
------------------------------------
Total liabilities 197,790 213,368

Shareholders' Equity
Common stock, convertible, $5 par value (40,000,000 shares authorized;
1998 - 13,956,268 shares issued and 13,520,261 outstanding;
1997 - 15,286,263 shares issued and 14,850,789 outstanding) 69,781 76,431
Class A common stock, $5 par value (40,000,000 shares authorized;
1998 - 10,486,677 shares issued and 9,837,963 outstanding;
1997 - 9,156,682 shares issued and 9,117,735 outstanding) 52,433 45,783
Additional Paid-in Capital - Class A common stock 339 339
Retained earnings 377,601 343,368
Accumulated other comprehensive income 30,016 18,806
Notes receivable from officers (498) (198)
Treasury stock, at cost:
Common stock (1998-436,007 shares; 1997-435,474 shares) (5,582) (5,572)
Class A common stock (1998-648,714 shares; 1997-38,947 shares) (12,610) (610)
------------------------------------
Total shareholders' equity 511,480 478,347
------------------------------------
Total liabilities and shareholders' equity $ 709,270 $ 691,715
================= =================

These financial statements should be read in conjunction with the Consolidated
Financial Statements and the notes thereto.




FS-2

PMA Capital Corporation
Schedule II
Statements of Operations - Registrant Only Financial Statements
(Parent Company Only)



Years ended December 31,
(dollar amounts in thousands) 1998 1997 1996
-------------------------------------------------------------------------------------------------------------------------------

Revenues:
Net investment (expense) income $ (18) $ 70 $ 183
Net realized investment (losses) gains (1,740) - 35
Other revenues 1,089 193 434
-----------------------------------------------------
Total revenues (669) 263 652
-----------------------------------------------------

Expenses:
General expenses 10,834 6,911 7,347
Interest expense 15,221 15,764 16,774
-----------------------------------------------------
Total expenses 26,055 22,675 24,121
-----------------------------------------------------

Loss before income taxes and equity in earnings (losses) of subsidiaries (26,724) (22,412) (23,469)

Provision (benefit) for income taxes 1,256 (14,271) (60,345)
-----------------------------------------------------

(Loss) income before equity in earnings (losses) of subsidiaries and
extraordinary loss (27,980) (8,141) 36,876

Equity in earnings (losses) of subsidiaries 72,714 27,894 (172,210)
-----------------------------------------------------

Income (loss) before extraordinary loss 44,734 19,753 (135,334)

Extraordinary loss from early extinguishment of debt
(net of income tax benefit of $2,549) - (4,734) -
-----------------------------------------------------

Net income (loss) $ 44,734 $ 15,019 $ (135,334)
==================== =============== ================


These financial statements should be read in conjunction with the Consolidated
Financial Statements and the notes thereto.



FS-3

PMA Capital Corporation
Schedule II
Statement of Cash Flows - Registrant Only Financial Statements
(Parent Company Only)


Years ended December 31,
(dollar amounts in thousands) 1998 1997 1996
-----------------------------------------------------------------------------------------------------------


Cash Flows From Operating Activities:
Net income (loss) $44,734 $15,019 $ (135,334)
Adjustments to reconcile net income (loss) to net cash flows provided
by operating activities:
Equity in (earnings) losses of subsidiaries (72,714) (27,894) 172,210
Net realized investment losses (gains) 1,740 - (35)
Provision (benefit) for deferred income taxes 21,085 9,614 (19,822)
Extraordinary loss from early extinguishment of debt - (4,734) -
Dividends received from subsidiaries 35,502 22,500 53,634
Net tax sharing payments received from subsidiaries 29,728 19,950 12,000
Other, net (11,957) (14,036) (42,283)
--------------------------------------------
Net cash flows provided by operating activities 48,118 20,419 40,370
--------------------------------------------

Cash Flows From Investing Activities:
Cash contributions to subsidiaries (480) (11,000) (50,000)
Other - - 115
--------------------------------------------
Net cash flows used by investing activities (480) (11,000) (49,885)
--------------------------------------------

Cash Flows From Financing Activities:
Change in related party receivables and payables 14,915 (1,439) 10,863
Proceeds from issuance of long-term debt - 210,000 26,000
Repayments of long-term debt (40,000) (211,571) (25,000)
Dividends paid to shareholders (7,939) (7,965) (7,926)
Proceeds from exercised stock options and issuance of Class A
common stock 4,283 1,442 1,577
Purchase of treasury stock (18,850) (597) (2,506)
Net (issuance) repayments of notes receivable from officers (300) 964 2,734
---------------------------------------------
Net cash flows (used) provided by financing activities (47,891) (9,166) 5,742
---------------------------------------------

Net (decrease) increase in cash (253) 253 (799)
Cash - beginning of year 253 - 799
-----------------------------------------------------
Cash - end of year $ - $ 253 $ -
====================================================


These financial statements should be read in conjunction with the Consolidated
Financial Statements and the notes thereto.


FS-4

PMA Capital Corporation
Schedule III
Supplementary Insurance Information




Unpaid losses and Losses and loss
Deferred policy loss adjustment Unearned Net premiums Net investment adjustment
(dollar amounts in thousands) acquisiton costs expenses premiums earned income(1)(3) expenses
- -----------------------------------------------------------------------------------------------------------------------------

Year ended December 31, 1998:
The PMA Insurance Group $18,660 $1,250,694 $109,766 $241,928 $ 64,580 $ 197,525
PMA Re 30,446 668,604 109,675 223,559 54,734 154,062
Caliber One 2,009 33,147 8,504 1,750 1,453 1,402
Corporate and Other - (11,550) - (522) (642) (318)
- -----------------------------------------------------------------------------------------------------------------------------
Total $51,115 $1,940,895 $227,945 $466,715 $120,125 $ 352,671
=============================================================================================================================

Year ended December 31, 1997:
The PMA Insurance Group $20,010 $1,353,917 $115,998 $212,348 $ 81,927 $ 193,530
PMA Re 25,278 622,484 95,457 163,603 52,270 113,931
Corporate and Other - 26,786 - - (805) (180)
- -----------------------------------------------------------------------------------------------------------------------------
Total $45,288 $2,003,187 $211,455 $375,951 $133,392 $ 307,281
=============================================================================================================================

Year ended December 31, 1996:
The PMA Insurance Group $23,488 $1,501,897 $127,986 $268,601 $ 82,364 $ 424,900
PMA Re 20,518 589,175 77,996 151,974 48,676 111,937
Corporate and Other - - - - (203) (214)
- -----------------------------------------------------------------------------------------------------------------------------
Total $44,006 $2,091,072 $205,982 $420,575 $130,837 $ 536,623
=============================================================================================================================


Acquisition Operating Net premiums
(dollar ammounts in thousands) expenses expenses(2) written(3)
- -------------------------------------------------------------------------

Year ended December 31, 1998:
The PMA Insurance Group $ 45,190 $45,309 $234,837
PMA Re 64,689 13,134 234,010
Caliber One 958 2,449 6,436
Corporate and Other - 11,267 (522)
- -------------------------------------------------------------------------
Total $110,837 $72,159 $474,761
=========================================================================

Year ended December 31, 1997:
The PMA Insurance Group $ 48,343 $51,848 $203,348
PMA Re 45,158 10,827 177,934
Corporate and Other - 12,464 -
- -------------------------------------------------------------------------
Total $ 93,501 $75,139 $381,282
=========================================================================

Year ended December 31, 1996:
The PMA Insurance Group $ 52,706 $82,053 $272,479
PMA Re 37,586 6,320 164,053
Corporate and Other - 9,483 (3,557)
- -------------------------------------------------------------------------
Total $ 90,292 $97,856 $432,975
=========================================================================


(1) Net investment income is based on each segment's invested assets.
(2) Other operating expenses are allocated primarily on the specific
identification basis. These amounts have been reclassified for 1997 and 1996
to reflect the changes related to the implementation of SFAS No. 131.
(3) Certain prior year amounts have been reclassified to conform to current year
presentation.




FS-5

PMA Capital Corporation
Schedule IV
Reinsurance



Ceded to Percentage of
Direct other Assumed from amount assumed
(dollar amounts in thousands) amount companies other companies Net amount to net
- -------------------------------------------------------------------------------------------------------------------------

Year Ended December 31, 1998:

Property and liability insurance premiums $ 286,987 $ 96,961 $276,689 $466,715 59%
========= ========== =========== ============ ==============

Year Ended December 31, 1997:

Property and liability insurance premiums $ 277,871 $118,277 $216,357 $375,951 58%
========= =========== =========== ============ ==============

Year Ended December 31, 1996:

Property and liability insurance premiums $299,386 $ 88,499 $209,688 $420,575 50%
======== =========== =========== ============ ==============








FS-6

PMA Capital Corporation
Schedule V
Valuation and Qualifying Accounts



(dollar amounts in thousands)
- ------------------------------------------------------------------------------------------------------------------------------------
Balance at Charged to Deductions - write-offs Balance at end
Description beginning period costs and expenses of uncollectible accounts of period
====================================================================================================================================

Year ended December 31, 1998:
Allowance for uncollectible accounts:
Premiums receivable $18,406 1,488 20 $19,874
Reinsurance receivables 2,096 108 26 2,178
- ------------------------------------------------------------------------------------------------------------------------------------
Year ended December 31, 1997:
Allowance for uncollectible accounts:
Premiums receivable $18,877 - 471 $18,406
Reinsurance receivables 2,603 - 507 2,096
- ------------------------------------------------------------------------------------------------------------------------------------
Year ended December 31, 1996:
Allowance for uncollectible accounts:
Premiums receivable $16,330 19,532 16,985 $18,877
Reinsurance receivables 6,208 222 3,827 2,603
-----------------------------------------------------------------------------------------------------------------------------------






FS-7

PMA Capital Corporation
Schedule VI
Supplemental Information Concerning Property and Casualty Insurance Operations


(dollar amounts in thousands)
- ------------------------------------------------------------------------------------------------------------------------------------
Deferred Discount on reserves
policy Reserves for unpaid for unpaid claims
acquisition claims and claim and claim
Affiliation with registrant costs adjustment expenses adjustment expenses(1) Unearned premiums Earned premiums
- ------------------------------ ----------- ------------------- -------------------- ----------------- ---------------

Consolidated property-casualty subsidiaries:

Year Ended December 31, 1998 $51,115 $1,940,895 $194,327 $227,945 $466,715

Year Ended December 31, 1997 45,288 2,003,187 460,230 211,455 375,951

Year Ended December 31, 1996 44,006 2,091,072 514,248 205,982 420,575
====================================================================================================================================


- ------------------------------------------------------------------------------------------------------------------------------------
Claims and claim adjustment
expenses incurred related to
Net investment ---------------------------- Acquisition Paid claims and Net premiums
Affiliation with registrant income Current year Prior years(2) expenses adjustment expenses written
- ------------------------------ -------------- ------------ -------------- ----------- ------------------- ------------
Consolidated property-casualty subsidiaries:

Year Ended December 31, 1998 $120,125 $373,098 ($46,515) $110,837 $458,844 $474,761

Year Ended December 31, 1997 133,392 341,880 (86,006) 93,501 470,874 381,282

Year Ended December 31, 1996 130,837 323,069 156,074 90,292 510,621 432,975
====================================================================================================================================

(1) - Workers' compensation reserves discounted at approximately 5%.
(2) - Excludes accretion of loss reserve discount of $26,088, $51,407 and
$57,480 in 1998, 1997 and 1996, respectively.


FS-8


[Logo of PricewaterhouseCoopers LLP appears here]
- --------------------------------------------------------------------------------
PricewaterhouseCoopers LLP
1177 Avenue of the Americas
New York, NY. 10036
Telephone (212)596-8000
Facsimile (212)596-8910


REPORT OF INDEPENDENT ACCOUNTANTS



February 5, 1999


To the Board of Directors and Shareholders
PMA Capital Corporation

Our report on the consolidated financial statements of PMA Capital Corporation
has been incorporated by reference in this Form 10-K from page 79 of the 1998
Annual Report to Shareholders of PMA Capital Corporation. In connection with our
audits of such financial statements, we have also audited the related financial
statement schedules listed on the index on page FS-1 of this Form 10-K.

In our opinion, the financial statement schedules referred to above, when
considered in relation to the basic financial statements taken as a whole,
present fairly, in all material respects, the information required to be
included therein.

/s/PricewaterhouseCoopers LLP








FS-9


INDEX TO EXHIBITS


Exhibit No. Description of Exhibit Method of Filing
- -------------- -------------------------------------------------

(3) Articles of incorporation and bylaws:

3.1 Amended and Restated Articles of Incorporation Filed as exhibit 3.1 to the Company's Registration
of the Company as last amended December 7, 1998. Statement on Form S-3/A, Amendment No. 2 (No.
333-63469) and incorporated herein by reference.

3.2 Amended and Restated Bylaws of the Company. Filed as exhibit 3.2 to the Company's Registration
Statement on Form S-3, (No. 333-63469) and
incorporated herein by reference.

(10) Material Contracts:
Exhibits 10.1 through 10.11 are management contracts or compensatory plans.

10.1 Employment Agreement dated April 1, 1995 between Filed as exhibit 10.1 to the Company's
the Company and Frederick W. Anton III. Registration Statement on Form 10 dated June 26,
1997.

10.2 Employment Agreement dated May 1, 1995 between Filed as exhibit 10.2 to the Company's
the Company and John W. Smithson. Registration Statement on Form 10 dated June 26,
1997

10.3 Company's EDC Plan Trust Agreement dated as of Filed as exhibit 10.3 to the Company's
1994. Registration Statement on Form 10 dated June 26,
1997

10.4 Company's Amended and Restated Executive Filed herewith.
Deferred Compensation Plan

10.5 Company's Supplemental Executive Retirement Plan Filed as exhibit 10.4 to the Company's
(SERP) dated July 1995. Registration Statement on Form 10 dated June 26,
1997

10.6 Company's Amended and Restated 1987 Incentive Filed as exhibit 10.5 to the Company's
Stock Option Plan Registration Statement on Form 10 dated June 26,
1997

10.7 Company's Amended and Restated 1991 Equity Filed as exhibit 10.6 to the Company's
Incentive Plan. Registration Statement on Form 10 dated June 26,
1997

10.8 Company's Amended and Restated 1993 Equity Filed as exhibit 10.7 to the Company's
Incentive Plan. Registration Statement on Form 10 dated June 26,
1997

10.9 Company's Amended and Restated 1994 Equity Filed as exhibit 10.8 to the Company's
Incentive Plan. Registration Statement on Form 10 dated June 26,
1997

10.10 Company's 1995 Equity Incentive Plan. Filed as exhibit 10.9 to the Company's
Registration Statement on Form 10 dated June 26,
1997



E-1




Exhibit No. Description of Exhibit Method of Filing
- -------------- -------------------------------------------------

10.11 Company's 1996 Equity Incentive Plan. Filed as exhibit 10.10 to the Company's
Registration Statement on Form 10 dated June 26,
1997

10.12 Credit Agreement dated as of March 14, 1997 by Filed as exhibit 10.13 to the Company's
and among the Company, The Bank of New York, Registration Statement on Form 10 dated June 26,
First Union National Bank of North Carolina, 1997
Fleet National Bank, PNC Bank, National
Association, Mellon Bank, N.A., CoreStates Bank,
N.A. and Dresdener Bank AG, New York Branch and
Grand Cayman Branch.

10.13 Master Agreement dated as of February 7, 1997 Filed as exhibit 10.14 to the Company's
between the Company and First Union National Registration Statement on Form 10 dated June 26,
Bank of North Carolina. 1997

10.14 First Amended and Restated Letter of Credit Filed as exhibit 10.15 to the Company's
Agreement, dated March 14, 1997, by and among Registration Statement on Form 10 dated June 26,
the Company, the Bank of New York, Mellon Bank, 1997
N.A., Fleet Bank, National Association, PNC
Bank, National Association and First Union Bank
of North Carolina.

10.15 Amendment No. 1 and Restatement, dated September Filed herewith.
29, 1997, to the First Amended and Restated
Letter of Credit Agreement, dated March 14, 1997

10.16 Amendment No. 2, dated September 28, 1998, to Filed herewith.
the First Amended and Restated Letter of Credit
Agreement, dated March 14, 1997

10.17 Amendment No. 3, dated October 2, 1998, to the Filed herewith.
First Amended and Restated Letter of Credit
Agreement, dated March 14, 1997

10.18 Caliber One Indemnity Company Purchase Agreement Filed as exhibit 10.17 to the Company's Annual
dated December 15, 1997. Report on Form 10-K, for the year ended December
31, 1997 and incorporated herein by reference.

(12) Computation of ratio of earnings to fixed Filed herewith.
charges.

(13) Portions of the Company's 1998 Annual Report to Filed herewith.
Shareholders, which are expressly incorporated
by reference in this Form 10-K, are "filed" as
part of this Form 10-K

(21) Subsidiaries of the Company. Filed herewith.

(23) Consent of independent accountant Filed herewith.

(24) Power of attorney



E-2




Exhibit No. Description of Exhibit Method of Filing
- -------------- -------------------------------------------------

24.1 Powers of attorney Filed herewith.

24.2 Certified resolutions Filed herewith.

(27) Financial Data Schedule

27.1 Financial Data Schedule Filed herewith (EDGAR version only).

27.2 Restated Financial Data Schedule Filed herewith (EDGAR version only).

27.3 Restated Financial Data Schedule Filed herewith (EDGAR version only).



Shareholders may obtain copies of exhibits by writing to the Company at PMA
Capital Corporation, 1735 Market Street, Suite 2800, Philadelphia, PA. 19103-
7590, Attn: Corporate Secretary

E-3