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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-Q

|X| QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
EXCHANGE ACT OF 1934.

For the quarterly period ended June 30, 2002.

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

For the transition period from to .
------------- --------------

Commission file number 1-16089

TRENWICK GROUP LTD.
(Exact name of registrant as specified in its charter)

Bermuda 98-0232340
(State or other jurisdiction of (I.R.S. Employer
incorporation or organization) Identification No.)

LOM Building, 27 Reid Street
Hamilton HM 11, Bermuda
(Address of principal executive offices) (zip code)

Registrant's telephone number, including area code: 441-292-4985

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 the number of shares outstanding of each of the issuer's classes of
common stock as of the latest practicable date.

Shares Outstanding
Description of Class as of August 13, 2002
- ------------------------------- ------------------------------
Common Shares - $.10 par value 36,779,015



TRENWICK GROUP LTD.
INDEX TO FORM 10-Q

PART I - FINANCIAL INFORMATION

Page
----
ITEM 1. Unaudited Consolidated Financial Statements
Consolidated Balance Sheet
June 30, 2002 and December 31, 2001 ............................ 1

Consolidated Statement of Operations and Comprehensive Income
Three and Six Months ended June 30, 2002 and 2001 .............. 2

Consolidated Statement of Cash Flows
Three and Six Months ended June 30, 2002 and 2001 .............. 3

Consolidated Statement of Changes in Common Shareholders' Equity
Six Months ended June 30, 2002 and 2001 ........................ 4

Notes to Unaudited Consolidated Financial Statements ........... 5

ITEM 2. Management's Discussion and Analysis of Financial Condition and
Results of Operations .......................................... 12

PART II - OTHER INFORMATION

ITEM 1. Legal proceedings .............................................. 26

ITEM 2. Changes in Securities and Use of Proceeds ...................... 27

ITEM 3. Defaults Upon Senior Securities ................................ 27

ITEM 4. Submission of Matters to a Vote of Security Holders ............ 27

ITEM 5. Other Information .............................................. 27

ITEM 6. Exhibits and Reports on Form 8-K ............................... 27

Signatures ............................................................. 29



Trenwick Group Ltd.
Consolidated Balance Sheet
(Amounts expressed in thousands of United States dollars,
except share and per share data)
June 30, 2002 and December 31, 2001



(Unaudited)
2002 2001
----------- -----------

ASSETS
Debt securities available for sale, at fair value $ 1,781,566 $ 1,960,600
Equity securities at fair value 29,617 24,164
Cash and cash equivalents 399,476 331,350
Accrued investment income 25,219 38,278
Premiums receivable 595,262 535,281
Reinsurance recoverable balances, net 1,841,040 1,411,469
Prepaid reinsurance premiums 276,411 197,169
Deferred policy acquisition costs 124,737 115,870
Net deferred income taxes 145,997 139,926
Goodwill -- 41,653
Other assets 192,217 132,795
----------- -----------
Total assets $ 5,411,542 $ 4,928,555
=========== ===========

LIABILITIES
Unpaid claims and claims expenses $ 3,572,698 $ 3,032,748
Unearned premium income 736,082 612,290
Reinsurance balances payable 317,697 225,255
Indebtedness 91,609 291,263
Other liabilities 104,519 125,554
----------- -----------
Total liabilities 4,822,605 4,287,110
----------- -----------

MINORITY INTEREST
Mandatorily redeemable preferred capital securities
of subsidiary trust holding solely junior subordinated
debentures of U.S. subsidiary 68,297 68,119
Minority interest in preferred shares of
Bermuda subsidiary 75,000 75,000
----------- -----------
Total minority interest 143,297 143,119
----------- -----------

COMMON SHAREHOLDERS' EQUITY
Common shares, $0.10 par value, 36,789,163 and
36,845,141 shares issued and outstanding 3,679 3,685
Additional paid in capital 577,044 578,018
Deferred compensation under share award plans (3,350) (4,766)
Retained earnings (accumulated deficit) (155,547) (101,830)
Accumulated other comprehensive income 23,814 23,219
----------- -----------
Total common shareholders' equity 445,640 498,326
----------- -----------

Total liabilities, minority interest and common
shareholders' equity $ 5,411,542 $ 4,928,555
=========== ===========


The accompanying notes are an integral part of these statements.


1


Trenwick Group Ltd.
Consolidated Statement of Operations and Comprehensive Income (Unaudited)
(Amounts expressed in thousands of United States dollars, except per share data)
Three and Six Months Ended June 30, 2002 and 2001



Three Months Six Months
------------------------ ------------------------
2002 2001 2002 2001
---------- ---------- ---------- ----------

REVENUES
Net premiums earned $ 277,261 $ 224,571 $ 543,285 $ 427,346
Net investment income 27,885 33,186 57,140 65,371
Net realized investment gains 3,957 2,272 5,414 11,130
Other income 3,036 1,211 5,638 2,052
---------- ---------- ---------- ----------
Total revenues 312,139 261,240 611,477 505,899
---------- ---------- ---------- ----------

EXPENSES
Claims and claims expenses incurred 194,025 235,551 401,602 373,832
Policy acquisition costs 74,843 63,100 147,915 122,456
Underwriting expenses 20,681 19,654 43,688 35,540
General and administrative expenses 4,658 7,389 7,976 11,277
Loss on sale of LaSalle's in-force
reinsurance business before commission
income on quota share contract 7,008 -- 7,008 --
Interest expense and subsidiary
preferred share dividends 10,881 9,627 20,817 20,453
Foreign currency losses 1,838 469 1,160 1,535
---------- ---------- ---------- ----------
Total expenses 313,934 335,790 630,166 565,093
---------- ---------- ---------- ----------

Loss before income taxes and cumulative
effect of change in accounting principle (1,795) (74,550) (18,689) (59,194)
Applicable income taxes (benefit) (5,584) (23,744) (9,568) (27,301)
---------- ---------- ---------- ----------
Net income (loss) before cumulative effect
of change in accounting principle 3,789 (50,806) (9,121) (31,893)
Cumulative effect of change in accounting principle -- -- (41,653) --
---------- ---------- ---------- ----------
Net income (loss) $ 3,789 $ (50,806) $ (50,774) $ (31,893)
========== ========== ========== ==========

EARNINGS PER SHARE:
Basic and diluted earnings (loss) per
common share before cumulative effect
of change in accounting principle $ 0.10 $ (1.38) $ (0.25) $ (0.87)
Cumulative effect of change in accounting principle -- -- (1.13) --
---------- ---------- ---------- ----------
Basic and diluted earnings (loss)
per common share $ 0.10 $ (1.38) $ (1.38) $ (0.87)
========== ========== ========== ==========

COMPREHENSIVE INCOME (LOSS):
Net income (loss) $ 3,789 $ (50,806) $ (50,774) $ (31,893)
---------- ---------- ---------- ----------
Other comprehensive income (loss):
Net unrealized investment gains (losses) 11,225 (5,934) (1,530) 1,293
Foreign currency translation adjustments 1,012 595 2,125 (4,683)
---------- ---------- ---------- ----------
Total other comprehensive income (loss) 12,237 (5,339) 595 (3,390)
---------- ---------- ---------- ----------
Comprehensive income (loss) $ 16,026 $ (56,145) $ (50,179) $ (35,283)
========== ========== ========== ==========


The accompanying notes are an integral part of these statements.


2


Trenwick Group Ltd.
Consolidated Statement of Cash Flows (Unaudited)
(Amounts expressed in thousands of United States dollars)
Three and Six Months Ended June 30, 2002 and 2001



Three Months Six Months
------------------------ ------------------------
2002 2001 2002 2001
---------- ---------- ---------- ----------

OPERATING ACTIVITIES
Premiums collected, net of acquisition costs $ 473,721 $ 240,272 $ 774,956 $ 463,022
Ceded premiums paid, net of acquisition costs (102,621) (88,504) (290,843) (162,089)
Claims and claims expenses paid (369,563) (188,938) (545,487) (400,890)
Claims and claims expenses recovered (19,843) 28,496 125,389 80,553
Underwriting expenses paid (24,985) (23,461) (56,021) (53,541)
---------- ---------- ---------- ----------
Cash (for) from underwriting activities (43,291) (32,135) 7,994 (72,945)
Net investment income received 35,334 45,012 69,286 80,116
Service and other income received, net of expenses 2,402 (1,124) 4,972 (220)
General and administrative expenses paid (8,832) (4,777) (12,971) (8,999)
Interest expense and
preferred share dividends paid (5,381) (5,458) (12,456) (12,678)
Income taxes recovered 986 (1,022) 1,046 (697)
---------- ---------- ---------- ----------
Cash (for) from operating activities (18,782) 496 57,871 (15,423)
---------- ---------- ---------- ----------
INVESTING ACTIVITIES
Purchases of debt securities (487,427) (274,787) (825,493) (881,785)
Sales of debt securities 495,364 176,289 703,859 732,770
Maturities of debt securities 232,057 11,871 328,182 52,784
Purchases of equity securities (83) (85) (83) (2,604)
Sales of equity securities -- 20,160 -- 93,208
Effect on cash of exchange rate translation 14,180 781 10,919 (8,398)
Additions to premises and equipment (1,490) (1,197) (4,740) (1,988)
---------- ---------- ---------- ----------
Cash from (for) investing activities 252,601 (66,968) 212,644 (16,013)
---------- ---------- ---------- ----------
FINANCING ACTIVITIES
Issuance (repayment) of indebtedness (197,841) 14,000 (199,293) 14,000
Indebtedness issuance costs paid -- -- (88) (29)
Purchase of capital securities -- -- -- (8,462)
Issuance of common shares 39 53 96 328
Trenwick Group Ltd. common share dividends paid (1,472) (1,475) (2,943) (2,947)
Share and option repurchases -- -- (161) (311)
Equity put option premium payments -- (411) -- (1,319)
---------- ---------- ---------- ----------
Cash (for) from financing activities (199,274) 12,167 (202,389) 1,260
---------- ---------- ---------- ----------
Change in cash and cash equivalents 34,545 (54,305) 68,126 (30,176)
Cash and cash equivalents, beginning of period 364,931 335,130 331,350 311,001
---------- ---------- ---------- ----------
Cash and cash equivalents, end of period $ 399,476 $ 280,825 $ 399,476 $ 280,825
========== ========== ========== ==========


The accompanying notes are an integral part of these statements.


3


Trenwick Group Ltd.
Consolidated Statement of Changes in Common Shareholders' Equity (Unaudited)
(Amounts expressed in thousands of United States dollars except share data)
Six Months Ended June 30, 2002 and 2001



2002 2001
---------- ----------

Common shareholders' equity, beginning of period $ 498,326 $ 652,187

COMMON SHARES AND ADDITIONAL PAID IN CAPITAL
Issuance of 194,116 restricted common shares -- 4,119
Issuance of 11,984 and 15,737 common shares for cash
under employee and director plans 96 328
Purchase and retirement of 18,646 and 14,609 common shares (161) (311)
Cancellation of 49,316 and 4,429 restricted common share awards (916) (58)
Compensation recognized under employee program -- 405
Equity put option premiums -- (1,319)

DEFERRED COMPENSATION UNDER SHARE AWARD PLAN
Restricted common shares awarded -- (4,119)
Compensation expense recognized 501 810
Cancellation of shares 916 58

RETAINED EARNINGS
Net loss (50,774) (31,893)
Common share dividends, $0.08 per share (2,943) (2,947)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Other comprehensive income (loss) 595 (3,390)
---------- ----------
Common shareholders' equity, end of period $ 445,640 $ 613,870
========== ==========


The accompanying notes are an integral part of these statements.


4


TRENWICK GROUP LTD.
Notes to Unaudited Consolidated Financial Statements
(Amounts expressed in thousands of United States dollars except per share data)
Three and Six Months Ended June 30, 2002 and 2001

Note 1 Organization and Basis of Presentation

Organization

Trenwick Group Ltd. ("Trenwick") was formed as a holding company in Bermuda to
acquire two publicly held companies and the minority interest in a subsidiary of
one of those companies (the "business combination"). That transaction was
completed on September 27, 2000.

Trenwick's principal subsidiaries underwrite specialty insurance and
reinsurance.

Basis of Presentation

The interim financial statements include the accounts of Trenwick and its
subsidiaries after elimination of significant intercompany accounts and
transactions. Certain items in prior financial statements have been reclassified
to conform to current presentation.

These interim financial statements have been prepared in conformity with
accounting principles that are generally accepted in the United States of
America, sometimes referred to as U.S. GAAP. To prepare these interim financial
statements, management is required to make estimates and assumptions that affect
the reported amounts of assets and liabilities and disclosure of contingent
assets and liabilities at the date of the financial statements, as well as the
reported amounts of revenues and expenses during the reporting periods. Actual
amounts may differ from these estimates.

The interim financial statements are unaudited; however, in the opinion of
management, the interim financial statements include all adjustments, consisting
only of normal recurring adjustments, necessary for a fair statement of the
results for interim periods. These interim statements should be read in
conjunction with the audited financial statements and related notes included in
the Annual Report on Form 10-K of Trenwick for the year ended December 31, 2001.

Note 2 Sale of Property Catastrophe Business of LaSalle Re Limited

Effective April 1, 2002, Trenwick sold the in-force property catastrophe
reinsurance business of its subsidiary, LaSalle Re Limited ("LaSalle") to
Endurance Specialty Insurance, Ltd. ("Endurance"). The sale was effected through
a 100% quota share reinsurance agreement, with Endurance paying Trenwick a
ceding commission of 25% of premiums ceded under the quota share agreement and
additional profit sharing of 50% if the losses do not exceed a loss ratio of
45%. In addition, Endurance will have the right to renew LaSalle's in-force
business as it expires in exchange for a 12.5% commission on the business
renewed. Included in the 2002 second quarter results are $6,685 in ceding
commissions earned on the quota share with Endurance, as well as $3,930 in
amortization of acquisition costs on the related assumed business.

In connection with this transaction, Trenwick recorded the following
non-recurring revenues and expenses during the three months ended June 30, 2002:


5


Minimum proceeds related to sale of renewal rights $ 8,000
Accelerated amortization of reinsurance
contracts not transferred in sale (7,824)
Legal expenses and investment banking fees (4,370)
Severance and related expenses (2,814)
-------
Net loss on sale of LaSalle's in-force
reinsurance business before commission
income on quota share contract $(7,008)
=======

Note 3 Segment Information

During the first quarter of 2002, Trenwick amended the basis in which operating
segments are determined. This change followed a realignment of certain lines of
business in Trenwick's international operations in London which led to the
combining of these operations into one operating segment operating through two
distribution platforms. In addition, consistent with its operational structure,
Trenwick combined its property and casualty insurance and property catastrophe
reinsurance into one segment called reinsurance operations.

Trenwick now conducts its specialty insurance and reinsurance business in the
following three business segments:

- - Reinsurance, which includes U.S. treaty reinsurance written principally
through its U.S. subsidiary, Trenwick America Reinsurance Corporation; and
property catastrophe reinsurance, through its subsidiary LaSalle, which
ceased underwriting effective April 1, 2002.

- - International operations, which consists of international specialty
insurance primarily written through its U.K. subsidiary, Trenwick
International Limited, as well as Lloyd's insurance and reinsurance
written principally through its U.K. subsidiary, Trenwick Managing Agents
Limited (formerly Chartwell Managing Agents Limited); and

- - United States specialty program insurance, written principally through The
Insurance Corporation of New York.

Lloyd's syndicates runoff and Excess Casualty Reinsurance Association Pool
("ECRA Pool") runoff, which includes insurance and reinsurance that was either
sold or non-renewed, are excluded from the aforementioned segments.

The following tables present business segment financial information for Trenwick
at June 30, 2002 and December 31, 2001 and for the three and six months ended
June 30, 2002 and 2001:


6


2002 2001
---------- ----------
Total assets:
Reinsurance $2,077,814 $2,259,616
International operations 2,511,418 1,915,314
U.S. specialty program insurance 665,078 561,991
Lloyd's syndicates runoff and ECRA pool runoff 113,004 99,021
Unallocated 44,228 92,613
---------- ----------
Total assets $5,411,542 $4,928,555
========== ==========



Three Months Six Months
----------------------- ------------------------
2002 2001 2002 2001
---------- ---------- ---------- ----------

Total revenues:
Reinsurance $ 107,697 $ 112,169 $ 230,682 $ 215,386
International operations 167,477 117,971 316,766 235,820
U.S. specialty program insurance 36,266 23,152 65,786 42,722
Lloyd's syndicates runoff
and ECRA pool runoff 639 5,830 (1,942) 7,502
Unallocated 60 2,118 185 4,469
---------- ---------- ---------- ----------
Total revenues $ 312,139 $ 261,240 $ 611,477 $ 505,899
========== ========== ========== ==========



Three Months Six Months
------------------------ ------------------------
2002 2001 2002 2001
---------- ---------- ---------- ----------

Net income (loss):
Reinsurance $ 24,361 $ 7,136 $ 27,389 $ 34,603
International operations (11,555) (40,177) (14,901) (40,183)
U.S. specialty program insurance 6,470 (8,302) 7,642 (6,510)
Lloyd's syndicates runoff
and ECRA pool runoff 1,503 (1,223) (4,946) (2,215)
Unallocated interest expense and
subsidiary preferred share dividends (6,895) (8,641) (13,516) (18,381)
Other unallocated (10,095) 401 (10,789) 793
Change in accounting principle -- -- (41,653) --
---------- ---------- ---------- ----------
Net income (loss) $ 3,789 $ (50,806) $ (50,774) $ (31,893)
========== ========== ========== ==========


Transactions between operating segments have been eliminated in consolidation.

Note 4 Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per
share for the three and six months ended June 30, 2002 and 2001:



Three Months Six Months
------------------------ ------------------------
2002 2001 2002 2001
---------- ---------- ---------- ----------

Net income (loss) $ 3,789 $ (50,806) $ (50,774) $ (31,893)
========== ========== ========== ==========

Weighted average shares
outstanding - basic and diluted 36,786,434 36,850,753 36,800,824 36,786,880
========== ========== ========== ==========

Basic and diluted earnings
(loss) per common share $ 0.10 $ (1.38) $ (1.38) $ (0.87)
========== ========== ========== ==========



7


For the three and six months ended June 30, 2002 and 2001, 1,744,077; 1,737,077;
2,264,279 and 2,264,279, respectively, aggregate share options and warrants were
excluded from the computation of diluted earnings per share because their effect
would have been antidulutive on the calculation for the respective periods.

During the three months ended June 30, 2002, 1,365,181 share options were
cancelled pursuant to the employee stock option exchange program. This voluntary
program offered eligible employees a one-time opportunity to exchange stock
options for new options at a grant price equal to the fair market value of
Trenwick common shares on the new grant date, which is expected to be on or
about December 16, 2002.

Note 5 Underwriting Activities

The components of premiums written and earned for the three and six months ended
June 30, 2002 and 2001 are as follows:



Three Months Six Months
------------------------ ------------------------
2002 2001 2002 2001
---------- ---------- ---------- ----------

Assumed premiums written $ 321,494 $ 140,148 $ 631,850 $ 314,836
Direct premiums written 120,653 199,408 275,867 378,343
---------- ---------- ---------- ----------
Gross premiums written 442,147 339,556 907,717 693,179
Ceded premiums written (186,215) (94,679) (334,636) (187,564)
---------- ---------- ---------- ----------
Net premiums written $ 255,932 $ 244,877 $ 573,081 $ 505,615
========== ========== ========== ==========

Assumed premiums earned $ 343,067 $ 90,752 570,747 $ 168,524
Direct premiums earned 76,120 216,363 241,868 413,633
---------- ---------- ---------- ----------
Gross premiums earned 419,187 307,115 812,615 582,157
Ceded premiums earned (141,926) (82,544) (269,330) (154,811)
---------- ---------- ---------- ----------
Net premiums earned $ 277,261 $ 224,571 $ 543,285 $ 427,346
========== ========== ========== ==========


Note 6 Income Taxation

As of June 30, 2002, Trenwick has not recorded a valuation allowance against the
U.S. net operating losses or the U.K. operating losses on open years of account
because presently, in management's judgment, it is more likely than not that
these amounts will be realized from future operations. Management's judgment is
based on its assessment of business plans and related projections of future
taxable income that reflect significant assumptions about increased premium
volume and improved rates and profitability and, for U.K. operations, the
ability to secure letters of credit or other funding sufficient to support the
assumptions about increased premium volume and profitability. Such assumptions
may be adversely affected by market conditions, changes in financial strength
ratings, as determined by nationally recognized security ratings organization,
for Trenwick's operating subsidiaries or Trenwick's ability to secure sufficient
funding to support its underwriting operations. In the event that, in
management's judgment, it is no longer more likely than not that its net
operating losses will be realized from future operations, Trenwick will be
required to record a valuation allowance against its deferred income tax asset.


8


Note 7 Accounting Standards

Effective January 1, 2002, Trenwick adopted a new Financial Accounting Standards
Board statement which amended the accounting for goodwill and other intangible
assets. This new statement suspended systematic goodwill amortization and its
implementation resulted in Trenwick's Bermuda holding company, LaSalle Re
Holdings Limited, crediting negative goodwill of $11,586 to operations as of
January 1, 2002 as a cumulative effect of an accounting change. The statement
also required that the remaining goodwill balance of $53,239 at December 31,
2001 be tested for impairment under either market value or cash flow tests prior
to the reporting of results for the quarter ended June 30, 2002. As a result of
these tests, it was determined that the goodwill was impaired and the entire
remaining goodwill balance was charged to operations as of January 1, 2002 as a
cumulative effect of an accounting change.

The following table presents the pro forma effect on net income (loss) and
earnings (loss) per share for the quarter and six months ended June 30, 2001 had
this accounting standard been effective January 1, 2001 as compared to net
income (loss) and earnings (loss) per share for the quarter and six months ended
June 30, 2002.



Three Months Six Months
------------------------ ------------------------
2002 2001 2002 2001
---------- ---------- ---------- ----------

Net income (loss):
Reported net income (loss) $ 3,789 $ (50,806) $ (50,774) $ (31,893)
Add back: goodwill amortization -- (213) -- (425)
Cumulative effect of change
in accounting for goodwill -- -- (41,653) --
---------- ---------- ---------- ----------
Adjusted net income (loss) $ 3,789 $ (50,593) $ (9,121) $ (31,468)
========== ========== ========== ==========

BASIC AND DILUTED EARNINGS
(LOSS) PER SHARE:
Reported basic and diluted earnings
(loss) per share $ 0.10 $ (1.38) $ (1.38) $ (0.87)
Add back: goodwill amortization -- (0.01) -- (0.01)
Cumulative effect of change
in accounting for goodwill -- -- (1.13) --
---------- ---------- ---------- ----------
Adjusted basic and diluted earnings
(loss) per share $ 0.10 $ (1.37) $ (0.25) $ (0.86)
========== ========== ========== ==========



9


Note 8 Credit Agreement

Concurrent with the business combination in September of 2000, Trenwick America
Corporation and Trenwick Holdings Limited, Trenwick's U.S. and U.K. holding
companies, entered into an amended and restated $490,000 credit agreement with
various lending institutions. The credit agreement consisted of both a $260,000
revolving credit facility and a $230,000 letter of credit facility. The
revolving credit facility was subsequently converted into a four-year term loan
and repaid on June 17, 2002. The letter of credit facility may only be used to
support the Lloyd's syndicate participations of Trenwick's subsidiaries. As of
June 30, 2002, $230,000 of letters of credit remain outstanding under the credit
facility. The letter of credit facility is scheduled to expire in November 2002.
In the event that Trenwick is unable to renew the current letter of credit
facility, obtain a replacement letter of credit facility, post sufficient
collateral to support its Lloyd's underwriting activities or obtain an
alternative form of Lloyd's capital support, it will be required to reduce or
cease its underwriting activities at Lloyd's for the 2003 year of account.

On April 12, 2002, Trenwick, its subsidiaries and financial institutions holding
a majority of the outstanding indebtedness under the credit facility executed an
amendment to its revolving credit facility. The amendment required Trenwick to
pledge its shares of LaSalle Re Holdings Limited and LaSalle in favor of the
lenders under the credit facility. In addition, the amendment revised the
financial covenants relating to interest coverage and tangible net worth (each
as defined by the financial covenants in the credit agreement).

The amendment also increased the applicable margin on the interest paid by
Trenwick by 1% and added an additional .5% fee payable by Trenwick in the event
the letters of credit outstanding are not secured in accordance with the
following schedule; September 30, 2002, 40%; June 30, 2003, 60%; and June 30,
2004, 80%.

The credit agreement contains general covenants and restrictions as well as
financial covenants relating to, among other things, Trenwick's minimum interest
coverage, debt to capital leverage, minimum earned surplus, maintenance of a
minimum A.M. Best Company rating of A- and tangible net worth. As of June 30,
2002, Trenwick was in compliance with the credit agreement covenants.

If Trenwick is unable to meet the credit agreement's financial covenants, it may
be required to collateralize the outstanding letters of credit issued under the
credit agreement through additional financing, asset sales, subsidiary dividends
or similar transactions.

Trenwick's ability to refinance its existing letter of credit obligations or
raise additional capital is dependent upon several factors, including financial
conditions with respect to both the equity and debt markets and the ratings of
its securities as established by the rating agencies. Following Trenwick's
claims and claims expense liability reserve increase in the second quarter of
2001 and the losses it sustained in the September 11th terrorist attacks, its
senior debt ratings were downgraded by Standard & Poor's Corporation to BBB- and
by Moody's Investors Service to Ba2. On August 2, 2002, Standard & Poor's
Corporation further lowered Trenwick's senior debt ratings to BB. Trenwick's
ability to refinance its outstanding letter of credit obligations, as well as
the cost of such borrowings, could be adversely affected by these ratings
downgrades or if its ratings were downgraded further.


10


Should Trenwick's subsidiaries be unable to meet any letter of credit
reimbursement obligations as they fall due, and such repayments are not
refinanced, Trenwick would become liable for such repayments under the terms of
guarantees under the credit agreement. No liability for any such amounts has
been reflected in Trenwick's financial statements. Because Trenwick America
Corporation, Trenwick Holdings Ltd. and Trenwick are holding companies, their
principal source of funds consists of permissible dividends, tax allocation
payments and other statutorily permissible payments from their respective
operating subsidiaries. As a result of recent losses incurred by Trenwick's
operating subsidiaries, their cash distribution capacities have been
significantly reduced.


11


MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF
OPERATIONS

The following discussion highlights material factors affecting the results of
operations of Trenwick Group Ltd. ("Trenwick") for the three and six months
ended June 30, 2002 and 2001. This discussion and analysis should be read in
conjunction with the unaudited interim financial statements and notes thereto of
Trenwick contained in this filing as well as in conjunction with the Annual
Report on Form 10-K of Trenwick for the year ended December 31, 2001, including
the audited financial statements and notes thereto as well as the discussions of
critical accounting policies and quantitative and qualitative disclosure about
market risk.

Overview

Trenwick is a Bermuda holding company headquartered in Hamilton, Bermuda whose
principal subsidiaries underwrite specialty insurance and reinsurance. Trenwick
was formed in 1999 to acquire Trenwick Group Inc., LaSalle Re Holdings Limited
and LaSalle Re Limited ("LaSalle"). The transaction was completed on September
27, 2000. Shareholders of Trenwick Group Inc., LaSalle Re Holdings Limited and
LaSalle Re Limited exchanged their shares on a one-for-one basis for
newly-issued shares of Trenwick (the "Trenwick/LaSalle business combination").

Trenwick operates three principal businesses:

- Reinsurance, which includes U.S. treaty reinsurance written
principally through its U.S. subsidiary, Trenwick America
Reinsurance Corporation;

- International operations, which consists of international specialty
insurance primarily written through its U.K. subsidiary, Trenwick
International Limited, as well as Lloyd's insurance and reinsurance
written principally through its U.K. subsidiary, Trenwick Managing
Agents Limited (formerly Chartwell Managing Agents Limited); and

- United States specialty program insurance, written principally
through The Insurance Corporation of New York.

Effective April 1, 2002, Trenwick sold the in-force property catastrophe
reinsurance business of its subsidiary, LaSalle to Endurance Specialty
Insurance, Ltd. ("Endurance"). The sale was effected through a 100% quota share
reinsurance agreement, with Endurance paying Trenwick a ceding commission of 25%
of premiums ceded under the quota share agreement and additional profit sharing
of 50% if the losses do not exceed a loss ratio of 45%. In addition, Endurance
will have the right to renew LaSalle's in-force business as it expires in
exchange for a 12.5% commission on the business renewed. Included in the 2002
second quarter results are $6.7 million in ceding commissions earned on the
quota share with Endurance, as well as $3.9 million in amortization of
acquisition costs on the related assumed business.

Lloyd's syndicates runoff and Excess Casualty Reinsurance Association Pool
("ECRA Pool") runoff, which includes insurance and reinsurance that was either
sold or non-renewed, are excluded from the aforementioned segments.

All of Trenwick's principal operating subsidiaries are rated "A-" (Excellent) by
A.M. Best Company and have been assigned the following financial strength
ratings by Standard & Poor's:


12


Reinsurance:
Trenwick America Reinsurance Corporation A-
LaSalle Re Limited BBB

International Operations:
Trenwick International BB+

United States Specialty Program Insurance:
The Insurance Corporation of New York BBB
Dakota Specialty Insurance Company BBB
Chartwell Insurance Company BB

All of Trenwick Managing Agents Limited's syndicates enjoy the benefit of the
ratings of Lloyd's which is rated "A-" (Excellent) by A.M. Best Company and has
an A financial strength rating from Standard & Poor's. These ratings are based
upon factors that may be of concern to policy or contract holders, agents and
intermediaries, but may not reflect the considerations applicable to an equity
investment in a reinsurance or insurance company. A change in any such rating is
at the discretion of the respective rating agencies.

Results of Operations - Three Months Ended June 30, 2002 and 2001



2002 2001 Change
-------- -------- --------
(in thousands)

Underwriting loss $(12,288) $(93,734) $ 81,446
Net investment income 27,885 33,186 (5,301)
Interest expense and subsidiary preferred
share dividends (10,881) (9,627) (1,254)
General and administrative expenses (4,658) (3,718) (940)
Foreign currency losses (1,838) (469) (1,369)
Other income, net 3,036 1,211 1,825
-------- -------- --------
Pre-tax operating income (loss) 1,256 (73,151) 74,407
Applicable income taxes (benefit) (5,250) (23,266) (18,016)
-------- -------- --------
Operating income (loss) 6,506 (49,885) 56,391
Net realized investment gains, net of income taxes 4,291 1,813 2,478
Restructuring costs, net of income taxes -- (2,734) 2,734
Loss on sale of LaSalle's in-force reinsurance
business before commission income on
quota share contract (7,008) -- (7,008)
-------- -------- --------

Net income (loss) $ 3,789 $(50,806) $ 54,595
======== ======== ========


The operating income of $6.5 million in the three months ended June 30, 2002
represented a $56.4 million increase from an operating loss of $49.9 million
recorded in the three months ended June 30, 2001. This increase was principally
the result of improved underwriting results, mainly due to increased premium
volume, combined with the absence of loss reserve strengthening in the 2002
quarter that was recorded in 2001. The improved underwriting results were offset
in part by a decline in net investment income and an increase in foreign
currency losses.


13


Underwriting loss

Trenwick produced an underwriting loss of $12.3 million in the second quarter
of 2002 compared to an underwriting loss of $93.7 million in the second quarter
of 2001. Details of underwriting income and loss are produced below:



2002 2001 Change
---------- ---------- ----------
(in thousands)

Net premiums earned $ 277,261 $ 224,571 $ 52,690
---------- ---------- ----------

Claims and claims expenses incurred 194,025 235,551 (41,526)
Acquisition costs and underwriting expenses 95,524 82,754 12,770
---------- ---------- ----------
Total expenses 289,549 318,305 (28,756)
---------- ---------- ----------
Net underwriting loss $ (12,288) $ (93,734) $ 81,446
========== ========== ==========

Loss ratio 70.0% 104.9% (34.9)%
Underwriting expense ratio 34.4% 36.8% (2.4)%
Combined ratio 104.4% 141.7% (37.3)%


The underwriting loss of $12.3 million in the second quarter of 2002 represented
a $81.4 million improvement compared to the second quarter of 2001. The better
underwriting result in 2002 is due to the increase in premiums earned, which
resulted from rate increases and new business in 2002. The decrease in claims
and claims expenses incurred in 2002 was due to the absence of the significant
loss reserve strengthening recorded in 2001.

The decrease in the combined ratio in the second quarter of 2002 compared to the
second quarter of 2001 resulted mainly from the increase in premiums and
decrease in losses as previously noted.

Premiums written

Gross premiums written for the three months ended June 30, 2002 were $442.1
million compared to $339.6 million for the three months ended June 30, 2001, an
increase of $102.5 million or 30.2%. Details of gross premiums written are
provided below:



2002 2001 Change
---------- ---------- ----------
(in thousands)

Worldwide property catastrophe reinsurance $ 20,246 $ 35,687 $ (15,441)
U.S. treaty reinsurance 99,297 79,467 19,830
---------- ---------- ----------
Total reinsurance 119,543 115,154 4,389
International specialty insurance 43,681 57,695 (14,014)
Lloyd's syndicates continuing 180,002 88,226 91,776
---------- ---------- ----------
Total international operations 223,683 145,921 77,762
U.S. specialty program insurance 98,753 74,945 23,808
Lloyd's syndicates runoff 168 3,536 (3,368)
---------- ---------- ----------
Gross premiums written $ 442,147 $ 339,556 $ 102,591
========== ========== ==========


Worldwide property catastrophe reinsurance gross premium writings for the three
months ended June 30, 2002 decreased by $15.4 million, or 43.3% below the three
months ended June 30, 2001 primarily due to the sale of LaSalle's in-force
reinsurance as of April 1, 2002.


14


The increase in U.S. treaty reinsurance gross premiums written in the second
quarter of 2002 of $19.8 million compared to the second quarter of 2001 was
mainly attributable to increasing rates on renewal treaties.

The decrease in international specialty insurance gross premiums written in the
second quarter of 2002 compared to the second quarter of 2001 of $14.0 million
is attributable to the transfer of treaty, professional indemnity and financial
institutions business to Trenwick Managing Agents, a result of the restructuring
of Trenwick's international operations, offset in part by increases in liability
premiums.

The increase in Lloyd's syndicates continuing gross written premiums of $91.8
million for the second quarter of 2002 compared to the second quarter of 2001
was due to an increase in new business, which includes the addition of the
treaty, professional indemnity and financial institutions business from the
international specialty insurance segment as noted above, as well as to rate
increases on aviation premiums.

The increase in U.S. specialty program insurance gross premiums was due to the
addition of new programs as well as rate increases on new and renewal policies
attributed to improving market conditions.

Premiums earned

Net premiums earned for the three months ended June 30, 2002 were $277.3 million
compared to $224.6 million for the same period in 2001. Details of premiums
earned are provided below:



2002 2001 Change
---------- ---------- ----------
(in thousands)

Gross premiums written $ 442,147 $ 339,556 $ 102,591
Change in gross unearned premiums (22,960) (32,441) 9,481
---------- ---------- ----------
Gross premiums earned 419,187 307,115 112,072
---------- ---------- ----------

Gross premiums ceded (186,215) (94,679) (91,536)
Change in ceded unearned premiums 44,289 12,135 32,154
---------- ---------- ----------
Ceded premiums earned (141,926) (82,544) (59,382)
---------- ---------- ----------
Net premiums earned $ 277,261 $ 224,571 $ 52,690
========== ========== ==========


Gross premiums ceded for the three months ended June 30, 2002 were $186.2
million compared to $94.7 million for the same period in 2001. A portion of the
increase in gross premiums ceded of $91.5 million was due to the cession of
$68.8 million of premiums to the 100% quota share reinsurance transaction
related to the sale of LaSalle's in-force business, of which $50.7 was recorded
as gross written premiums during the first quarter of 2002. The remainder of the
increase is attributed to the increase in gross premiums written, coupled with
reinsurance programs designed by Trenwick to control risk levels relative to its
capitalization.

Claims and claims expenses

Claims and claims expenses for the three months ended June 30, 2002 were $194.0
million, a decrease of $41.6 million compared to claims and claims expenses of
$235.6 million for the same period in 2001. The decrease in claims and claims
expenses in 2002 is attributable to the inclusion of $76.7 million in loss
reserve strengthening and $10.5 million of losses related to Tropical Storm
Allison, both recorded in the second quarter of 2001.


15


Underwriting expenses



2002 2001 Change
---------- ---------- ----------
(in thousands)

Policy acquisition costs $ 74,843 $ 63,100 $ 11,743
Underwriting expenses 20,681 19,654 1,027
---------- ---------- ----------
Total underwriting expenses $ 95,524 $ 82,754 $ 12,770
========== ========== ==========

Underwriting expense ratio 34.4% 36.8% (2.4)%
========== ========== ==========


Total underwriting expenses, comprising policy acquisition costs and
underwriting expenses, for the second quarter of 2002 increased by $12.8 million
compared to underwriting expenses for the second quarter of 2001. The increase
was attributable to the increase in premium volume as previously discussed as
well as premium levies from Lloyd's which are new for 2002. Total underwriting
expenses as a percentage of net premiums earned, or the underwriting expense
ratio, was 34.4% for the three months ended June 30, 2002 compared to 36.8% for
the same period in 2001. The decrease in the underwriting expense ratio occurred
principally because of decreasing acquisition costs related to improved terms
and conditions due to improving market conditions.

Underwriting expenses for the three months ended June 30, 2002 as a percentage
of earned premium was 7.4%, a decrease of 1.4% from 8.8% for the same period in
2001. The decrease in the underwriting expense ratio resulted principally from
the increase in premiums during 2002.

Net Investment Income



2002 2001 Change
---------- ---------- ----------
(in thousands)

Average invested assets $2,329,867 $2,190,057 $ 139,810
Average annualized yields 5.39% 6.62% (1.23)%

Investment income - portfolio $ 31,388 $ 36,240 $ (4,852)
Investment income - non-portfolio 57 692 (635)
Investment expenses (3,560) (3,746) 186
---------- ---------- ----------
Net investment income $ 27,885 $ 33,186 $ (5,301)
========== ========== ==========


Net investment income for the three months ended June 30, 2002 was $27.9 million
compared to $33.2 million for the same period in 2001. The decrease in net
investment income in the second quarter of 2002 was due to the overall decline
in market yields during the course of 2001 and 2002. Investment expenses for the
second quarters of both 2002 and 2001 includes interest expense on funds
withheld of $2.4 million and $2.9 million, respectively, under the terms of stop
loss reinsurance agreements purchased by Trenwick America Reinsurance
Corporation prior to 2001.

Interest Expense and Subsidiary Preferred Share Dividends

Interest expense and subsidiary preferred share dividends were $10.9 million for
the second quarter of 2002, an increase of $1.3 million from the same period in
2001. The increase is a result of an increase in the rate charged for
maintaining letters of credit to support Trenwick Group Ltd.'s operations at
Lloyd's.

Foreign Currency Losses

Trenwick recorded foreign currency losses of $1.8 million for the three months
ended June 30, 2002, compared to foreign currency losses of $0.5 million for the
three months ended June 30, 2001 primarily due to the increase in the value of
the British pound relative to the U.S. dollar during the second quarter of 2002.


16


Other Income, Net

Other income, net increased to $3.0 million for the second quarter of 2002, a
$1.8 million increase over the same period in 2001, primarily a result of an
increase in equity in earnings of managing general agencies through which
Trenwick writes its U.S. specialty program insurance business.

Non-Operating Income and Expenses

Net realized gains on investments, net of applicable income taxes, were $4.3
million during the three months ended June 30, 2002, compared to net realized
gains of $1.8 million for the three months ended June 30, 2001. The 2002 gains
are a result of the sale of investments made in order to repay Trenwick's term
loan facility during the second quarter of 2002.

The loss on the sale of LaSalle's in-force reinsurance business before
commission income on quota share contract recorded during the second quarter of
2002 represents the net of the non-recurring revenue and expense items incurred
as a result of the sale of LaSalle's in-force reinsurance business as of April
1, 2002.

Results of Operations - Six Months Ended June 30, 2002 and 2001



2002 2001 Change
-------- --------- --------
(in thousands)

Underwriting loss $(49,920) $(104,482) $ 54,562
Net investment income 57,140 65,371 (8,231)
Interest expense and subsidiary preferred
share dividends (20,817) (20,453) (364)
General and administrative expenses (7,976) (7,604) (372)
Foreign currency losses (1,160) (1,535) 375
Other income, net 5,638 2,052 3,586
-------- --------- --------
Pre-tax operating income loss (17,095) (66,651) 49,556
Applicable income taxes (benefit) (9,544) (27,909) 18,365
-------- --------- --------
Operating loss (7,551) (38,742) 31,191
Net realized investment gains, net of income taxes 5,438 9,583 (4,145)
Restructuring costs, net of income taxes -- (2,734) 2,734
Loss on sale of LaSalle's in-force reinsurance
business before commission income on
quota share contract (7,008) -- (7,008)
Cumulative effect of change in accounting
principle (41,653) -- (41,653)
-------- --------- --------

Net loss $(50,774) $ (31,893) $(18,881)
======== ========= ========


The operating loss of $7.6 million in the six months ended June 30, 2002
represented a $31.2 million improvement from an operating loss of $38.7 million
recorded in the six months ended June 30, 2001. This improvement is principally
the result of improved underwriting results, mainly due to the absence in 2002
of the significant loss reserve strengthening effected in the first half of
2001, offset in part by the additional underwriting losses incurred in 2002
related to the September 11th terrorist attacks. In addition, the 2002 results
included decreased investment income and increased other income.


17



Underwriting loss

Trenwick produced an underwriting loss of $49.9 million in the first half of
2002 compared to an underwriting loss of $104.5 million in the first half of
2001. Details of underwriting income and loss follow:



2002 2001 Change
---------- ---------- ----------
(in thousands)

Net premiums earned $ 543,285 $ 427,346 $ 115,939
---------- ---------- ----------

Claims and claims expenses incurred 401,602 373,832 27,770
Acquisition costs and underwriting expenses 191,603 157,996 33,607
---------- ---------- ----------
Total expenses 593,205 531,828 61,377
---------- ---------- ----------
Net underwriting loss $ (49,920) $ (104,482) $ 54,562
========== ========== ==========

Loss ratio 73.9% 87.5% (13.6)%
Underwriting expense ratio 35.3% 37.0% (1.7)%
Combined ratio 109.2% 124.5% (15.3)%


The underwriting loss of $49.9 million in the first half of 2002 represented a
$54.6 million improvement compared to the first half of 2001. The improvement is
primarily due to the inclusion of $76.7 million of loss reserve strengthening
and $14.4 million of catastrophe losses in the 2001 results. This was offset in
part by an additional $23.0 million of underwriting losses recorded during the
first half of 2002 related to the September 11th terrorist attacks.

The decrease in the combined ratio in the first half of 2002 compared to the
first half of 2001 resulted mainly from the decrease in losses as previously
noted.

Premiums written

Gross premiums written for the six months ended June 30, 2002 were $907.7
million compared to $693.2 million for the six months ended June 30, 2001, an
increase of $214.5 million or 30.9%. Details of gross premiums written are
provided below:



2002 2001 Change
---------- ---------- ----------
(in thousands)

Worldwide property catastrophe reinsurance $ 100,173 $ 94,634 $ 5,539
U.S. treaty reinsurance 202,265 162,098 40,167
---------- ---------- ----------
Total reinsurance 302,438 256,732 45,706
International specialty insurance 96,760 119,911 (23,151)
Lloyd's syndicates continuing 309,699 172,383 137,316
---------- ---------- ----------
Total international operations 406,459 292,294 114,165
U.S. specialty program insurance 200,909 143,502 57,407
Lloyd's syndicates runoff (2,089) 651 (2,740)
---------- ---------- ----------
Gross premiums written $ 907,717 $ 693,179 $ 214,538
========== ========== ==========


Worldwide property catastrophe reinsurance gross premium writings for the six
months ended June 30, 2002 increased by $5.5 million, or 5.8% over the six
months ended June 30, 2001 primarily due to rate increases caused by improving
insurance and reinsurance market conditions for the first quarter of 2002,
offset in part by a decrease in premiums during the second quarter as a result
of the sale of LaSalle Re's in-force reinsurance as of April 1, 2002.


18


The increase in U.S. treaty reinsurance gross premiums written in the first half
of 2002 of $40.2 million compared to the first half of 2001 was mainly
attributable to increasing rates on renewal treaties.

The decrease in international specialty insurance gross premiums written in the
first half of 2002 compared to the first half of 2001 of $119.9 million is
attributable to the transfer of treaty, professional indemnity and financial
institutions business to Trenwick Managing Agents, a result of the restructuring
of Trenwick's international operations, offset in part by increases in liability
premiums.

The increase in Lloyd's syndicates continuing gross written premiums for the
first six months of 2002 compared to $172.4 million in the first six months of
2001 was due to both the addition of the treaty, professional indemnity and
financial institutions business from the international specialty insurance
segment as noted above as well as to rate increases on aviation premiums.

The increase in U.S. specialty program insurance gross premiums of $57.4 million
in the first six months of 2002 was due to increased volume on two of its larger
programs combined with the addition of four new programs in 2002.

Premiums earned

Net premiums earned for the six months ended June 30, 2002 were $543.3 million
compared to $427.3 million for the same period in 2001. Details of premiums
earned are provided below:



2002 2001 Change
---------- ---------- ----------
(in thousands)

Gross premiums written $ 907,717 $ 693,179 $ 214,538
Change in gross unearned premiums (95,102) (111,022) 15,920
---------- ---------- ----------
Gross premiums earned 812,615 582,157 230,458
---------- ---------- ----------

Gross premiums ceded (334,636) (187,564) (147,072)
Change in ceded unearned premiums 65,306 32,753 32,553
---------- ---------- ----------
Ceded premiums earned (269,330) (154,811) (114,519)
---------- ---------- ----------
Net premiums earned $ 543,285 $ 427,346 $ 115,939
========== ========== ==========


Gross premiums ceded for the six months ended June 30, 2002 were $334.6 million
compared to $187.6 million for the same period in 2001. The increase in gross
premiums ceded of $147.1 million was due primarily to the cession of $68.8
million to the 100% quota share contract effected in connection with the sale of
LaSalle's in-force business combined with the increase in gross premiums written
as previously discussed.

Claims and claims expenses

Claims and claims expenses for the six months ended June 30, 2002 were $401.6
million, an increase of $27.8 million compared to claims and claims expenses of
$373.8 million for the same period in 2001. The increase in claims and claims
expenses in 2002 is partially attributable to $25.7 million of additional claims
and claims expenses recorded in the first quarter of 2002 in connection with the
September 11th terrorist attacks, combined with deterioration in indicated loss
ratios for prior accident years in the U.S. treaty reinsurance and U.S.
specialty program insurance segments.


19


Underwriting expenses



2002 2001 Change
---------- ---------- ----------
(in thousands)

Policy acquisition costs $ 147,915 $ 122,456 $ 25,459
Underwriting expenses 43,688 35,540 8,148
---------- ---------- ----------
Total underwriting expenses $ 191,603 $ 157,996 $ 33,607
========== ========== ==========

Underwriting expense ratio 35.3% 37.0% (1.7)%
========== ========== ==========


Total underwriting expenses, comprising policy acquisition costs and
underwriting expenses, for the first six months of 2002 increased by $33.6
million compared to underwriting expenses for the first six months of 2001. The
increase was attributable to the increase in premium volume as previously
discussed as well as premium levies from Lloyd's which are new for 2002. Total
underwriting expenses as a percentage of net premiums earned, or the
underwriting expense ratio, was 35.3% for the six months ended June 30, 2002
compared to 37.0% for the same period in 2001. The decrease in the underwriting
expense ratio occurred principally because of decreasing acquisition costs
related to improved terms and conditions due to improving market conditions.

Underwriting expenses for the six months ended June 30, 2002 as a percentage of
earned premium were 8.0%, relatively unchanged from 8.3% for the same period in
2001.

Net Investment Income



2002 2001 Change
---------- ---------- ----------
(in thousands)

Average invested assets $2,274,242 $2,205,830 $ 68,412
Average annualized yields 5.70% 6.52% (0.82)%

Investment income - portfolio $ 64,827 $ 71,928 $ (7,101)
Investment income - non-portfolio (114) 1,214 (1,328)
Investment expenses (7,573) (7,771) 198
---------- ---------- ----------
Net investment income $ 57,140 $ 65,371 $ (8,231)
========== ========== ==========


Net investment income for the six months ended June 30, 2002 was $57.1 million
compared to $65.4 million for the same period in 2001. The decrease in net
investment income in the first half of 2002 was due to an overall decline in
market yields during the course of 2001 and 2002. Investment expenses for the
first six months of both 2002 and 2001 included interest expense on funds
withheld of $5.3 million and $5.6 million, respectively, under the terms of stop
loss reinsurance agreements purchased by Trenwick America Reinsurance
Corporation prior to 2001.

Interest Expense and Subsidiary Preferred Share Dividends

Interest expense and subsidiary preferred share dividends were $20.8 million for
the first six months of 2002, an increase of $0.4 million from the same period
in 2001. The increase resulted from an increase in fees related to maintaining
letters of credit to support Trenwick's operations at Lloyd's, offset in part by
the decrease in interest rates since the first quarter of 2001.

Foreign Currency Losses

Trenwick recorded foreign currency losses of $1.2 million for the six months
ended June 30, 2002, relatively unchanged from $1.5 million of losses for the
six months ended June 30, 2001.


20


Other Income, Net

Other income, net increased to $5.6 million for the first half of 2002, a $3.6
million increase over the same period in 2001, primarily a result of an increase
in equity in earnings of managing general agencies through which Trenwick
underwrites its U.S. specialty program insurance business.

Non-Operating Income and Expenses

Net realized gains on investments, net of applicable income taxes, were $5.4
million during the six months ended June 30, 2002, compared to net realized
gains of $9.6 million for the six months ended June 30, 2001. The 2001 gains
reflect actions taken to reposition Trenwick's debt security portfolio,
partially offset by losses recognized on the sale of equity securities.

Trenwick adopted Statement of Financial Accounting Standards No. 142 effective
January 1, 2002. This new statement suspended systematic goodwill amortization
and required Trenwick's Bermuda holding company, LaSalle Re Holdings Limited to
credit the negative goodwill balance of $11.6 million to operations as of
January 1, 2002 as a cumulative effect of an accounting change. The statement
also required that the remaining goodwill balance be tested for impairment under
either market value or cash flow tests. Trenwick conducted both market value and
cash flow tests and, as a result, recorded a $53.2 million write off of all of
Trenwick's remaining goodwill. These transactions increased Trenwick America's
net loss by a net amount of $41.7 million and were recorded as a cumulative
effect of change in accounting principle.

Liquidity and Capital Resources

As of June 30, 2002, Trenwick's consolidated investments and cash totaled $2.2
billion, a slight decrease from the balance of $2.3 billion at December 31,
2001. The cost of Trenwick's equity securities was $11.9 million less than fair
value at June 30, 2002 and was less than fair value by $6.8 million at December
31, 2001. The fair value of Trenwick's debt securities exceeded amortized cost
by $31.3 million at June 30, 2002 and by $34.6 million at December 31, 2001.

As of June 30, 2002, Trenwick's consolidated common shareholders' equity totaled
$445.6 million, or $12.11 per common share, compared to $498.3 million, or
$13.52 per common share at December 31, 2001. The decrease in common
shareholders' equity is primarily the result of the application of Statement of
Financial Accounting Standard No. 142, which requires the periodic evaluation of
goodwill for impairment under either market value or cash flow tests. During the
first quarter of 2002, Trenwick credited the negative goodwill balance of $11.6
million related to its Bermuda holding company, LaSalle Re Holdings Limited to
operations as of January 1, 2002. Following the completion of both market value
and cash flow tests performed during the second quarter of 2002, Trenwick wrote
off all $53.2 million of its remaining goodwill as a cumulative effect of an
accounting change as of January 1, 2002.

Cash provided by Trenwick's operating activities for the six months ended June
30, 2002 was $57.9 million compared to cash used by Trenwick's operating
activities of $15.4 million in the comparable period of 2001. The increase in
cash flow from operations was due primarily to an overall reduction in claims
and claims expenses paid as a result of recoveries on reinsurance to close the
1999 year of account on Trenwick's Lloyd's syndicates. This reduction was offset
in part by an increase in ceded premiums paid for reinstatement premiums related
to the September 11th terrorist attacks which were included in Trenwick's 2001
operating results.

Net cash used in financing activities during the six months ended June 30, 2002
and 2001 both included $2.9 million of dividends paid to common shareholders.
Additionally, net cash used in financing activities included $195.2 million
related to the repayment of Trenwick's term loan facility.


21


Trenwick paid a dividend of $0.04 per common share in both the first and second
quarters of 2002 and 2001 and LaSalle Re Holdings Limited paid a quarterly
dividend of $.55 per share on the Series A preferred shares of LaSalle Re
Holdings Limited in each of the quarters ended March 31 and June 30, 2002 and
2001. Trenwick's Board of Directors reviews Trenwick's common share dividend
each quarter. Among the factors considered by the Board of Directors in
determining the amount of each dividend are Trenwick's results of operations and
the capital requirements, growth and other characteristics of its businesses.

Trenwick's total debt to capital ratio (total indebtedness divided by total
debt, preferred capital securities, preferred shares and common shareholders'
equity) decreased to 13.5% at June 30, 2002 from 31.2% on December 31, 2001 due
to the repayment of the $195 million in principal amount outstanding under the
term loan portion of Trenwick's bank credit facility.

Financings, Financing Capacity and Capitalization

Concurrent with the Trenwick/LaSalle business combination in September of 2000,
Trenwick America Corporation and Trenwick Holdings Limited, Trenwick Group
Ltd.'s U.S. and U.K. holding companies, entered into an amended and restated
$490 million credit agreement with various lending institutions. The credit
agreement consisted of both a $260 million revolving credit facility and a $230
million letter of credit facility. The revolving credit facility was
subsequently converted into a four-year term loan. Trenwick America Corporation
was the primary obligor with respect to the revolving credit facility, and
Trenwick Holdings Limited is the primary obligor with respect to the letter of
credit facility. Guarantees are provided by LaSalle Re Holdings Limited and
Trenwick with respect to both Trenwick America Corporation's and Trenwick
Holdings Limited's obligations and additionally by Trenwick America Corporation
with respect to Trenwick Holdings Limited's obligations. The credit agreement
provides for a letter of credit facility which may only be used to support the
Lloyd's syndicate participations of Trenwick's subsidiaries. The letter of
credit facility is scheduled to expire in November 2002. In the event that
Trenwick is unable to renew the current letter of credit facility, obtain a
replacement letter of credit facility, post sufficient collateral to support its
Lloyd's underwriting activities or obtain an alternative form of Lloyd's capital
support, it will be required to reduce or cease its underwriting activities at
Lloyd's for the 2003 year of account.

The credit agreement contains general covenants and restrictions as well as
financial covenants relating to, among other things, Trenwick's minimum interest
coverage, debt to capital leverage, minimum earned surplus, maintenance of a
minimum A.M. Best Company rating of A- and tangible net worth. As of June 30,
2002, Trenwick was in compliance with the credit agreement covenants.

On April 12, 2002, Trenwick, its subsidiaries and financial institutions holding
a majority of the outstanding indebtedness under the credit facility executed an
amendment to the credit facility. The amendment required Trenwick to pledge its
shares of LaSalle Re Holdings Limited and LaSalle Re Limited in favor of the
lenders under the credit facility. In addition, the amendment revised the
financial covenants relating to interest coverage and tangible net worth (each
as defined by the financial covenants in the credit agreement). The amendment
set Trenwick's minimum interest coverage ratio at 1.25 to 1 for the first
quarter of 2002, 1.5 to 1 for the second quarter of 2002, 1.75 to 1 for the
third quarter of 2002 and 2.5 to 1 thereafter. Trenwick s interest coverage
ratio for the quarter ending June 30, 2002 was 2.1 to 1. The amendment adjusted
the minimum tangible net worth Trenwick must maintain to the following base
amounts plus 50% of net income earned during the period:


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Time Period Minimum Tangible Net Worth
----------- --------------------------
Through May 15, 2002 $450,000,000
From May 16, 2002 to August 14, 2002 $475,000,000
From August 15, 2002 to November 14, 2002 $525,000,000
From November 15, 2002 to March 30, 2003 $550,000,000
Thereafter $560,000,000

Trenwick's consolidated tangible net worth as defined by the terms of the credit
facility was $493.3 million as of June 30, 2002.

A previous amendment adjusted downward the minimum risk-based capital
requirement for Trenwick's subsidiary, Chartwell Insurance Company, from 300% to
225% through December 31, 2002. Thereafter, the minimum risk-based capital for
Chartwell Insurance Company returns to 300%. The risk-based capital for
Chartwell Insurance Company as of December 31, 2001 was 257%.

If Trenwick is unable to meet the credit agreement's financial covenants, it may
be required to collateralize the outstanding letters of credit issued under the
credit agreement through additional financing, asset sales, subsidiary dividends
or similar transactions.

The amendment increased the applicable margin on the interest paid by Trenwick
by 1% and added an additional .5% fee payable by Trenwick in the event the
letters of credit outstanding are not secured in accordance with the following
schedule:

Date Percentage of Outstanding Indebtedness
---- --------------------------------------
September 30, 2002 40%
June 30, 2003 60%
June 30, 2004 80%

On June 17, 2002, Trenwick repaid in full the outstanding $195 million in
principal amount of term loan indebtedness under the credit facility. As of June
30, 2002, $230 million of letters of credit remain outstanding under the credit
facility.

Trenwick's ability to refinance its existing letter of credit obligations or
raise additional capital is dependent upon several factors, including financial
conditions with respect to both the equity and debt markets and the ratings of
its securities as established by the rating agencies. Following Trenwick's
claims and claims expense liability reserve increase in the second quarter of
2001 and the losses it sustained in the September 11th terrorist attacks, its
senior debt ratings were downgraded by Standard & Poor's Corporation to BBB- and
by Moody's Investors Service to Ba2. On August 2, 2002, Standard & Poor's
Corporation further lowered Trenwick's senior debt ratings to BB. Trenwick's
ability to refinance its outstanding letter of credit obligations, as well as
the cost of such borrowings, could be adversely affected by these ratings
downgrades or if its ratings were downgraded further.

Should Trenwick's subsidiaries be unable to meet any letter of credit
reimbursement obligations as they fall due, and such repayments are not
refinanced, Trenwick would become liable for such repayments under the terms of
the guarantees. No liability for any such amounts has been reflected in
Trenwick's financial statements. Because Trenwick America Corporation, Trenwick
Holdings Ltd. and Trenwick are holding companies, their principal source of
funds consists of permissible dividends, tax allocation payments and other
statutorily permissible payments from their respective operating subsidiaries.
As a result of recent losses incurred by Trenwick's operating subsidiaries,
their cash distribution capacities have been significantly reduced.


23


Catastrophe Equity Put

On September 27, 2000, Trenwick assumed the benefits and obligations of LaSalle
Re Holdings Limited under a $100 million catastrophe equity put option. The
catastrophe put option was amended and restated as of January 1, 2001 and
amended as of January 25, 2002. As amended, the catastrophe equity put enables
Trenwick to raise up to $55 million of equity, through the issue of convertible
preferred shares to European Reinsurance Company of Zurich ("European Re"), a
subsidiary of Swiss Reinsurance Company, in the event there is a qualifying
catastrophic event or events occurring prior to January 1, 2002. The preferred
shares can be redeemed by Trenwick at any time following their issuance. In
addition, European Re can convert its preferred shares into common shares of
Trenwick at any time after they have been outstanding for five years or upon a
change in control of Trenwick or a decline in Trenwick's net worth below a
specified level. Conversion is at the greater of the book value of Trenwick at
the date of conversion or the market value of the common shares based on the
30-day trading average prior to conversion. The annual net option premium for
the catastrophe equity put has been charged to additional paid in capital.

As a result of the terrorist attacks of September 11, 2001, Trenwick has
incurred in excess of $140 million in catastrophe losses as defined under the
option agreement and delivered notice of exercise of the catastrophe equity put
on March 28, 2002.

On July 1, 2002, Trenwick commenced an arbitration proceeding seeking $55
million in damages and other relief against European Re. The claims arise out of
European Re's failure to meet its obligations under the catastrophe equity put.
European Re has named an arbitrator and Trenwick is required to name an
arbitrator on or before August 30, 2002.

Quantitative and Qualitative Disclosure About Market Risk

Trenwick reviewed the change in its exposure to market risks since December 31,
2001. In addition, the components of its investment holdings and its risk
management strategy and objectives have not materially changed. Therefore,
Trenwick believes that the potential for loss in each market risk sector
described in the 2001 Annual Report on Form 10-K has not materially changed.

Deferred Income Taxes

Trenwick recorded as an asset as of June 30, 2002 of $146.0 million of net
deferred income taxes. The net deferred income taxes represent the expected
future tax benefit of losses previously incurred by Trenwick's United States and
United Kingdom operations. Trenwick's Bermuda operations are not subject to
income tax. The future tax benefit in the United States must be used on or
before 2021. The future tax benefit in the United Kingdom is not limited by
time. In order to maintain its net deferred income taxes as an asset, Trenwick
is required to determine that it is more likely than not that it will be able to
realize the future tax benefit of its previously incurred losses in the United
States and the United Kingdom. In making this determination, Trenwick is
required to make estimates as to its future income. Such estimates may be
adversely affected by market conditions, changes in financial strength ratings,
as determined by nationally recognized security ratings organizations, for
Trenwick's operating subsidiaries or Trenwick's ability to secure sufficient
funding to support its underwriting operations. If Trenwick's estimates of
future income in the United States and the United Kingdom were to be revised and
it became more likely than not that Trenwick would not be able to realize the
future tax benefit of its previously incurred losses, the effect on Trenwick's
results of operations could be significant. Also see Note 6 of Notes to the
Unaudited Consolidated Financial Statements.


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Accounting Standards

Effective January 1, 2002, Trenwick adopted a new Financial Accounting Standards
Board statement which amended the accounting for goodwill and other intangible
assets. This new statement suspended systematic goodwill amortization and
required Trenwick's Bermuda holding company, LaSalle Re Holdings Limited to
credit the negative goodwill balance of $11.6 million to operations as of
January 1, 2002 as a cumulative effect of an accounting change. The statement
also required that the remaining goodwill balance be tested for impairment under
either market value or cash flow tests. Trenwick conducted both market value and
cash flow tests and, as a result, recorded a $53.2 million write off of all of
Trenwick's remaining goodwill as a cumulative effect of an accounting change as
of January 1, 2002.

Safe Harbor Disclosure

In connection with the "safe harbor" provisions of the Private Securities
Litigation Reform Act of 1995, Trenwick sets forth below cautionary statements
identifying important risks and uncertainties that could cause its actual
results to differ materially from those that might be projected, forecasted or
estimated in its "forward-looking statements" within the meaning of Section 27A
of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of
1934, made by or on behalf of Trenwick in this Quarterly Report on Form 10-Q and
in press releases, written statements or documents filed with the Securities and
Exchange Commission, or in its communications and discussions with investors and
analysts in the normal course of business through meetings, phone calls and
conference calls. Such statements may include, but are not limited to,
projections of premium revenue, investment income, other revenue, losses,
expenses, earnings (including earnings per share), cash flows, plans for future
operations, common shareholders' equity (including book value per share),
investments, financing needs, capital plans, dividends, plans relating to
products or services of Trenwick and estimates concerning the effects of
litigation or other disputes, as well as assumptions for any of the foregoing
and generally expressed with words such as "believes," "estimates," "expects,"
"anticipates," "plans," "projects," "forecasts," "goals," "could have," "may
have," and similar expressions.

Forward-looking statements involve known and unknown risks and uncertainties,
which may cause Trenwick's results to differ materially from such
forward-looking statements. These risks and uncertainties include, but are not
limited to, the following:

- - Changes in the level of competition in the domestic and international
reinsurance or primary insurance markets that affect the volume or
profitability of Trenwick's property/casualty business. These changes
include, but are not limited to, changes in the intensity of price
competition, the entry of new competitors, existing competitors exiting
the market and the development of new products by new and existing
competitors;

- - Changes in the demand for reinsurance, including changes in ceding
companies' risk retentions and changes in the demand for excess and
surplus lines insurance coverages;

- - The ability of Trenwick to execute its strategies in its property/casualty
operations;

- - Catastrophe losses in Trenwick's domestic and international
property/casualty businesses;

- - Adverse development on property/casualty claims and claims expense
liabilities related to business written in prior years, including, but not
limited to, evolving case law and its effect on environmental and other
latent injury claims, changing government regulations, newly identified
toxins, newly reported claims, new theories of liability, or new insurance
and reinsurance contract interpretations;

- - Changes in Trenwick's property/casualty retrocessional arrangements;

- - Lower than estimated retrocessional or reinsurance recoveries on unpaid
losses, including, but not limited to, losses due to a decline in the
creditworthiness of Trenwick's retrocessionaires or reinsurers;


25


- - Increases in interest rates, which may cause a reduction in the market
value of Trenwick's fixed income portfolio, and its common shareholders'
equity;

- - Decreases in interest rates which may cause a reduction of income earned
on new cash flow from operations and the reinvestment of the proceeds from
sales or maturities of existing investments;

- - A decline in the value of Trenwick's equity investments;

- - Changes in the composition of Trenwick's investment portfolio;

- - Credit losses on Trenwick's investment portfolio;

- - Adverse results in litigation matters, including, but not limited to,
litigation related to environmental, asbestos and other potential mass
tort claims;

- - The passage of federal or state legislation subjecting LaSalle Re Limited
to United States taxation or regulation;

- - A contention by the United States Internal Revenue Service that LaSalle Re
Limited is subject to United States taxation;

- - The impact of mergers and acquisitions;

- - Gains or losses related to changes in foreign currency exchange rates;

- - Changes in Trenwick's capital needs;

- - The ability of Trenwick to obtain the necessary letters of credit or
collateral to support its Lloyd's underwriting operation;

- - The ability of Trenwick to refinance or repay its outstanding
indebtedness; and

- - Changes in the financial strength ratings assigned to Trenwick and its
operating subsidiaries or Lloyd's.

In addition to the factors outlined above that are directly related to
Trenwick's businesses, Trenwick is also subject to general business risks,
including, but not limited to, adverse state, federal or foreign legislation and
regulation, adverse publicity or news coverage, changes in general economic
factors and the loss of key employees.

The facts set forth above should be considered in connection with any
forward-looking statement contained in this Quarterly Report on Form 10-Q. The
important factors that could affect such forward-looking statements are subject
to change, and Trenwick does not intend to update any forward-looking statement
or the foregoing list of important factors. By this cautionary note Trenwick
intends to avail itself of the safe harbor from liability with respect of
forward-looking statements provided by Section 27A and Section 21E referred to
above.

PART II - OTHER INFORMATION

Item 1. Legal Proceedings

On July 1, 2002, Trenwick commenced an arbitration proceeding seeking $55
million in damages and other relief against European Reinsurance Company of
Zurich, a subsidiary of Swiss Reinsurance Company. The claims arise out of
European Re's failure to meet its obligations under a catastrophe equity put
agreement, which entitled Trenwick to raise up to $55 million of equity through
the issuance of convertible preferred shares to European Re in the event there
was a qualifying catastrophic event or events occurring prior to January 1,
2002. The terrorist attacks of September 11, 2001 constituted a qualifying
catastrophic event and Trenwick delivered notice of exercise of the catastrophe
equity put on March 28, 2002. Since commencement of the arbitration, European Re
has named its arbitrator. Trenwick is required to name its arbitrator by August
30, 2002.

In addition, Trenwick is party to various legal proceedings generally arising in
the normal course of its business. Trenwick does not believe that the eventual
outcome of any such proceeding will have a material effect on its financial
condition or business. Trenwick's subsidiaries are regularly engaged in the
investigation and the defense of claims arising out of the conduct of their
business. Pursuant to Trenwick's insurance and reinsurance arrangements,
disputes are generally required to be finally settled by arbitration.


26


Item 2. Changes in Securities and Use of Proceeds

None

Item 3. Defaults Upon Senior Securities

None

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

The annual general meeting of shareholders was held in Hamilton, Bermuda,
on May 15, 2002. Represented in person or by proxy at the annual general meeting
were 33,835,967 common shares, which was 91.9% of outstanding common shares.

The following two directors were elected to a three year term expiring in 2005
by the following votes of Trenwick's common shareholders.

Number of Shares
For Withheld
---------------- --------
Anthony S. Brown 32,080,565 1,755,402
Clement S. Dwyer, Jr. 32,091,009 1,744,958

The appointment of PricewaterhouseCoopers LLP as Trenwick's independent
accountants was ratified by the following vote of Trenwick's common
shareholders:

Number of Shares
For Against Abstain
---------- ---------------- -------
33,143,230 684,568 8,169

The amendment of Trenwick's existing equity incentive plans to permit the
exchange of outstanding options for new options was approved by the following
vote of Trenwick's common shareholders.

Number of Shares
For Against Abstain
---------- ---------------- -------
20,962,220 12,135,825 737,922

Item 5. Other Information

None

Item 6. Exhibits and reports on Form 8-K

(a) Exhibits


27


99.1 Certification of the Chief Executive Officer pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002.

99.2 Certification of the Chief Financial Officer pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002.

(b) Reports on Form 8-K

The following reports on Form 8-K were filed during the quarter
ended June 30, 2002:

Date of Report Item Reported
-------------- -------------

May 16, 2002 Sale of the business of LaSalle Re Limited
to Endurance Specialty Insurance Ltd.

June 17, 2002 Repayment by Trenwick of $195 million
principal amounts of outstanding term loans
under its bank credit facility.

July 1, 2002 Commencement of arbitration against
European Reinsurance Company of Zurich
related to Catastrophe Equity Securities
Issuance Option Agreement


28


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

TRENWICK


Date: August 14, 2002 By: /s/ James F. Billett, Jr.
-----------------------------------------
Name: James F. Billett, Jr.
Title: Chairman, President and
Chief Executive Officer


Date: August 14, 2002 By: /s/ Alan L. Hunte
-----------------------------------------
Name: Alan L. Hunte
Title: Executive Vice President and
Chief Financial Officer


29