Document:

<PAGE>   1
                                                                  Execution Copy

                                                                   EXHIBIT 10.28

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                                CREDIT AGREEMENT

                                      among

                         SELECTIVE INSURANCE GROUP, INC.

                                       and

                     SELECTIVE INSURANCE COMPANY OF AMERICA

                                       and

                           FIRST UNION NATIONAL BANK,
                                    as Lender

                      $10,000,000 Revolving Credit Facility

                          Dated as of October 22, 1999

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                                TABLE OF CONTENTS

                                                                          Page

                                    ARTICLE I

                                   DEFINITIONS

1.1   Defined Terms..........................................................1
1.2   Accounting Terms......................................................10
1.3   Other Terms; Construction.............................................10

                                   ARTICLE II

                          AMOUNT AND TERMS OF THE LOANS

2.1   Commitment............................................................11
2.2   Borrowings............................................................11
2.3   Disbursements.........................................................12
2.4   Note..................................................................12
2.5   Termination of Commitment.............................................12
2.6   Mandatory Payments and Prepayments....................................12
2.7   Voluntary Prepayments.................................................13
2.8   Interest..............................................................13
2.9   Fees..................................................................14
2.10  Interest Periods......................................................14
2.11  Conversions and Continuations.........................................15
2.12  Method of Payments; Computations......................................16
2.13  Recovery of Payments..................................................16
2.14  Use of Proceeds.......................................................16
2.15  Increased Costs; Change in Circumstances; Illegality; etc.............16
2.16  Taxes.................................................................17
2.17  Compensation..........................................................18
2.18  Extension of Maturity Date............................................18

                                   ARTICLE III

                             CONDITIONS OF BORROWING

3.1   Conditions of Initial Borrowing.......................................19
3.2   Conditions of All Borrowings..........................................21

                                   ARTICLE IV

                         REPRESENTATIONS AND WARRANTIES

4.1   Corporate Organization and Power......................................21
4.2   Authorization; Enforceability.........................................21
4.3   No Violation..........................................................21
4.4   Governmental and Third-Party Authorization; Permits...................22
4.5   Litigation............................................................22
4.6   Taxes.................................................................22
4.7   Subsidiaries..........................................................22
4.8   Full Disclosure.......................................................22
4.9   Margin Regulations....................................................23

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4.10  No Material Adverse Change............................................23
4.11  Financial Matters.....................................................23
4.12  Ownership of Properties...............................................24
4.13  ERISA.................................................................24
4.14  Environmental Matters.................................................24
4.15  Compliance With Laws..................................................25
4.16  Regulated Industries..................................................25
4.17  Insurance.............................................................25
4.18  Material Contracts....................................................25
4.19  Year 2000 Compatibility...............................................25
4.20  Reinsurance Agreements................................................26

                                    ARTICLE V

                              AFFIRMATIVE COVENANTS

5.1   Financial Statements..................................................26
5.2   Statutory Financial Statements........................................27
5.3   Other Business and Financial Information..............................27
5.4   Corporate Existence; Franchises; Maintenance of Properties............29
5.5   Compliance with Laws..................................................29
5.6   Payment of Obligations................................................29
5.7   Insurance.............................................................29
5.8   Maintenance of Books and Records; Inspection..........................29
5.9   Permitted Acquisitions................................................30
5.10  Year 2000 Compatibility...............................................30
5.11  Further Assurances....................................................30

                                   ARTICLE VI

                               FINANCIAL COVENANTS

6.1   Minimum Combined Statutory Capital and Surplus........................30
6.2   Maximum Consolidated Debt to Total Capitalization.....................30

                                   ARTICLE VII

                               NEGATIVE COVENANTS

7.1   Merger; Consolidation.................................................30
7.2   Indebtedness..........................................................31
7.3   Liens.................................................................31
7.4   Disposition of Assets.................................................32
7.5   Investments and Acquisitions..........................................33
7.6   Restricted Payments...................................................34
7.7   Transactions with Affiliates..........................................34
7.8   Lines of Business.....................................................34
7.9   Certain Amendments....................................................34
7.10  Limitation on Certain Restrictions....................................34
7.11  Fiscal Year...........................................................34
7.12  Accounting Changes....................................................34
7.13  Ratings...............................................................34

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                                  ARTICLE VIII

                                EVENTS OF DEFAULT

8.1   Events of Default.....................................................35
8.2   Remedies: Termination of Commitment, Acceleration, etc................36
8.3   Remedies: Set-Off.....................................................37

                                   ARTICLE IX

                                  MISCELLANEOUS

9.1   Fees and Expenses.....................................................37
9.2   Indemnification.......................................................37
9.3   Governing Law; Consent to Jurisdiction................................38
9.4   Waiver of Jury Trial..................................................38
9.5   Notices...............................................................38
9.6   Amendments, Waivers, etc..............................................39
9.7   Assignments, Participations...........................................39
9.8   No Waiver.............................................................39
9.9   Successors and Assigns................................................39
9.10  Survival..............................................................40
9.11  Severability..........................................................40
9.12  Construction..........................................................40
9.13  Confidentiality.......................................................40
9.14  Counterparts; Effectiveness...........................................40
9.15  Disclosure of Information.............................................40
9.16  The Borrowers as Co-Obligors..........................................40
9.17  Entire Agreement......................................................41

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                                    EXHIBITS

Exhibit A-1       Form of Parent Note
Exhibit A-2       Form of SICA Note
Exhibit B-1       Form of Notice of Borrowing
Exhibit B-2       Form of Notice of Conversion/Continuation
Exhibit C         Form of Compliance Certificate
Exhibit D         Form of Opinion of Pepper Hamilton LLP

                                    SCHEDULES

Schedule 4.7      Subsidiaries
Schedule 4.14     Environmental Matters
Schedule 4.18     Material Contracts
Schedule 7.2      Indebtedness
Schedule 7.3      Liens
Schedule 7.5      Investments
Schedule 7.7      Transactions with Affiliates

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                                CREDIT AGREEMENT

      THIS CREDIT AGREEMENT, dated as of the 22nd day of October, 1999 (this
"Agreement"), is made between SELECTIVE INSURANCE GROUP, INC., a New Jersey
corporation with its principal offices in Branchville, New Jersey (the
"Parent"), and SELECTIVE INSURANCE COMPANY OF AMERICA, a New Jersey corporation
with its principal offices in Branchville, New Jersey ("SICA" and collectively
with the Parent, the "Borrowers"), and FIRST UNION NATIONAL BANK ("First Union"
or "Lender").

                                    RECITALS

A. The Borrowers have requested that the Lender make available to the Borrowers
a revolving credit facility in the aggregate principal amount of $10,000,000.
The Borrowers will use the proceeds of this facility to provide for working
capital and general corporate purposes, repurchase shares of the Parent's common
stock, finance permitted acquisitions and related transaction expenses, and to
pay or reimburse certain fees and expenses in connection with the documentation,
execution, delivery and performance of the Credit Documents, all as more fully
described herein.

B. The Lender is willing to make available to the Borrowers the credit facility
described herein subject to and on the terms and conditions set forth in this
Agreement.

                                    AGREEMENT

      NOW, THEREFORE, in consideration of the mutual provisions, covenants and
agreements herein contained, the parties hereto hereby agree as follows:

                                   ARTICLE I

                                   DEFINITIONS

      1.1 Defined Terms. For purposes of this Agreement, in addition to the
terms defined elsewhere herein, the following terms shall have the meanings set
forth below (such meanings to be equally applicable to the singular and plural
forms thereof):

      "Account Designation Letter" shall mean a letter from the Parent to the
Lender, duly completed and signed by an Authorized Officer and in form and
substance reasonably satisfactory to the Lender, listing any one or more
accounts to which the Borrowers may from time to time request the Lender to
forward the proceeds of any Loans made hereunder.

      "Acquisition" shall mean any transaction or series of related
transactions, consummated on or after the date hereof, by which the Parent
directly, or indirectly through one or more Subsidiaries, (i) acquires any going
business, or all or substantially all of the assets, of any Person (other than a
Subsidiary), whether through purchase of assets, merger or otherwise, or (ii)
acquires securities or other ownership interests of any Person (other than a
Subsidiary) having at least a majority of combined voting power of the then
outstanding securities or other ownership interests of such Person.

      "Adjusted LIBOR Rate" shall mean, at any time with respect to any Loan, a
rate per annum equal to the LIBOR Rate as in effect at such time plus (i) 0.7%
(70 basis points) and (ii) 0.075% (7.5 basis points) utilization fee.

      "Affiliate" shall mean, as to any Person, each other Person that directly,
or indirectly through one or more intermediaries, owns or controls, is
controlled by or under common control with, such Person or is a director or
officer of such Person. For purposes of this definition, with respect to any
Person "control" shall mean (i) the possession, direct or indirect, of the power
to direct or cause the direction of the management and policies of such

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Person, whether through the ownership of voting securities, by contract or
otherwise, or (ii) the beneficial ownership of securities or other ownership
interests of such Person having 10% or more of the combined voting power of the
then outstanding securities or other ownership interests of such Person
ordinarily (and apart from rights accruing under special circumstances) having
the right to vote in the election of directors or other governing body of such
Person.

      "Agreement" shall mean this Credit Agreement, as amended, modified or
supplemented from time to time.

      "Annual Statement" shall mean, with respect to any Insurance Subsidiary
for any fiscal year, the annual financial statements of such Insurance
Subsidiary as required to be filed with the Insurance Regulatory Authority of
its jurisdiction of domicile and in accordance with the laws of such
jurisdiction, together with all exhibits, schedules, certificates and actuarial
opinions required to be filed or delivered therewith.

      "Authorized Officer" shall mean, with respect to any action specified
herein, any officer of a Borrower, as the case may be, duly authorized by
resolution of the board of directors of such Borrower to take such action on its
behalf, and whose signature and incumbency shall have been certified to the
Lender by the secretary or an assistant secretary of such Borrower.

      "Bankruptcy Code" shall mean 11 U.S.C.ss.ss. 101 et seq., as amended from
time to time, and any successor statute.

      "Base Rate" shall mean the higher of (i) the per annum interest rate
publicly announced from time to time by First Union in Charlotte, North
Carolina, to be its prime rate (which may not necessarily be its best lending
rate), as adjusted to conform to changes as of the opening of business on the
date of any such change in such prime rate, and (ii) the Federal Funds Rate plus
0.5% (50 basis points) per annum, as adjusted to conform to changes as of the
opening of business on the date of any such change in the Federal Funds Rate.

      "Base Rate Loan" shall mean, at any time, any Loan that bears interest at
such time at the Base Rate.

      "Borrowers" shall mean either the Parent or SICA.

      "Borrower Margin Stock" shall mean shares of capital stock of the Parent
that are held by the Parent or any of its Subsidiaries and that constitute
Margin Stock.

      "Borrowing" shall mean the incurrence by the Borrowers (including as a
result of conversions and continuations of outstanding Loans pursuant to Section
2.11) on a single date of a Loan of a single Type and, in the case of LIBOR
Loans, as to which a single Interest Period is in effect.

      "Borrowing Date" shall mean, with respect to any Borrowing, the date upon
which such Borrowing is made.

      "Business Day" shall mean (i) any day other than a Saturday or Sunday, a
legal holiday or a day on which commercial banks in Charlotte, North Carolina
are required by law to be closed and (ii) in respect of any determination
relevant to a LIBOR Loan, any such day that is also a day on which tradings are
conducted in the London interbank Eurodollar market

      "Capital Stock" shall mean (i) with respect to any Person that is a
corporation, any and all shares, interests or equivalents in capital stock
(whether voting or nonvoting, and whether common or preferred) of such
corporation, and (ii) with respect to any Person that is not a corporation, any
and all partnership, membership, limited liability company or other equity
interests of such Person; and in each case, any and all warrants, rights or
options to purchase any of the foregoing.

      "Cash Equivalents" shall mean (i) securities issued or unconditionally
guaranteed by the United States of America or any agency or instrumentality
thereof, backed by the full faith and credit of the United States of America and
maturing within ninety (90) days from the date of acquisition, (ii) commercial
paper issued by any Person

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organized under the laws of the United States of America, maturing within ninety
(90) days from the date of acquisition and, at the time of acquisition, having a
rating of at least A-1 or the equivalent thereof by Standard & Poor's Ratings
Services or at least P-1 or the equivalent thereof by Moody's Investors Service,
Inc., (iii) time deposits and certificates of deposit maturing within ninety
(90) days from the date of issuance and issued by a bank or trust company
organized under the laws of the United States of America or any state thereof
that has combined capital and surplus of at least $500,000,000 and that has (or
is a subsidiary of a bank holding company that has) a long-term unsecured debt
rating of at least A or the equivalent thereof by Standard & Poor's Ratings
Services or at least A2 or the equivalent thereof by Moody's Investors Service,
Inc., (iv) repurchase obligations with a term not exceeding seven (7) days with
respect to underlying securities of the types described in clause (i) above
entered into with any bank or trust company meeting the qualifications specified
in clause (iii) above, and (v) money market funds at least 95% of the assets of
which are continuously invested in securities of the type described in clause
(i) above.

      "Closing Date" shall mean October 22, 1999, the date on which this
Agreement has become effective.

      "Combined Statutory Capital and Surplus" shall mean, at any time, the
aggregate (without duplication) of Statutory and Capital Surplus of each
Insurance Subsidiary at such time.

      "Commitment" shall mean $10,000,000, as such amount may be reduced
pursuant to the terms hereof.

      "Compliance Certificate" shall mean a fully completed and duly executed
certificate in substantially the form of Exhibit C-1 or Exhibit C-2, together
with a Covenant Compliance Worksheet.

      "Consolidated Indebtedness" shall mean, as of the last day of any fiscal
quarter, the aggregate (without duplication) of all Indebtedness (whether or not
reflected on the Parent's or any Subsidiary's balance sheet) of the Parent and
its Subsidiaries as of such date, determined on a consolidated basis in
accordance with GAAP, excluding reimbursement obligations in respect of letters
of credit issued for the benefit of any Insurance Subsidiary or the Parent in
the ordinary course of its business to support the payment of obligations
arising under insurance and reinsurance contracts and weather and similar swap
agreements, but only in each case to the extent such letters of credit (i) are
not drawn upon and (ii) are collateralized by cash or Cash Equivalents.

      "Consolidated Net Worth" shall mean, as of any date of determination, the
net worth of the Parent and its Subsidiaries as of such date, determined on a
consolidated basis in accordance with GAAP, excluding any Disqualified Capital
Stock.

      "Consolidated Total Capital" shall mean, as of any date of determination,
Consolidated Net Worth as of such date plus Consolidated Indebtedness as of such
date.

      "Contingent Obligation" shall mean, with respect to any Person, any direct
or indirect liability of such Person with respect to any Indebtedness, liability
or other obligation (the "primary obligation") of another Person (the "primary
obligor"), whether or not contingent, (a) to purchase, repurchase or otherwise
acquire such primary obligation or any property constituting direct or indirect
security therefor, (b) to advance or provide funds (i) for the payment or
discharge of any such primary obligation or (ii) to maintain working capital or
equity capital of the primary obligor or otherwise to maintain the net worth or
solvency or any balance sheet item, level of income or financial condition of
the primary obligor, (c) to purchase property, securities or services primarily
for the purpose of assuring the owner of any such primary obligation of the
ability of the primary obligor in respect thereof to make payment of such
primary obligation or (d) otherwise to assure or hold harmless the owner of any
such primary obligation against loss or failure or inability to perform in
respect thereof; provided, however, that, with respect to the Parent and its
Subsidiaries, the term Contingent Obligation shall not include endorsements for
collection or deposit in the ordinary course of business.

      "Covenant Compliance Worksheet" shall mean a fully completed worksheet
substantially in the form of Attachment A to Exhibit C-1 or Exhibit C-2.

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      "Credit Documents" shall mean this Agreement, the Note, the Fee Letter,
any Hedge Agreement to which the Borrowers and Lender are parties, and all other
agreements, instruments, documents and certificates now or hereafter executed
and delivered to the Lender by or on behalf of the Borrowers or any of their
respective Subsidiaries with respect to this Agreement and the transactions
contemplated hereby, in each case as amended, modified, supplemented or restated
from time to time.

      "Default" shall mean any event or condition that, with the passage of time
or giving of notice, or both, would constitute an Event of Default.

      "Disqualified Capital Stock" means, with respect to any Person, any
Capital Stock of such Person that, by its terms (or by the terms of any security
into which it is convertible or for which it is exchangeable), or upon the
happening of any event or otherwise, (i) matures or is mandatorily redeemable or
subject to any mandatory repurchase requirement, pursuant to a sinking fund
obligation or otherwise, (ii) is redeemable or subject to any mandatory
repurchase requirement at the sole option of the holder thereof, or (iii) is
convertible into or exchangeable for (whether at the option of the issuer or the
holder thereof) (a) debt securities or (b) any Capital Stock referred to in (i)
or (ii) above, in each case under (i), (ii) or (iii) above at any time on or
prior to the Maturity Date; provided, however, that only the portion of Capital
Stock that so matures or is mandatorily redeemable, is so redeemable at the
option of the holder thereof, or is so convertible or exchangeable on or prior
to such date shall be deemed to be Disqualified Capital Stock.

      "Dollars" or "$" shall mean dollars of the United States of America.

      "ERISA" shall mean the Employee Retirement Income Security Act of 1974, as
amended from time to time, and any successor statute, and all rules and
regulations from time to time promulgated thereunder.

      "ERISA Affiliate" shall mean any Person (including any trade or business,
whether or not incorporated) that would be deemed to be under "common control"
with, or a member of the same "controlled group" as the Parent or any of its
Subsidiaries, within the meaning of Sections 414(b), (c), (m) or (o) of the
Internal Revenue Code or Section 4001 of ERISA.

      "ERISA Event" shall mean any of the following with respect to a Plan or
Multiemployer Plan, as applicable: (i) a Reportable Event with respect to a Plan
or a Multiemployer Plan, (ii) a complete or partial withdrawal by the Parent or
any ERISA Affiliate from a Multiemployer Plan that results in liability under
Section 4201 or 4204 of ERISA, or the receipt by the Parent or any ERISA
Affiliate of notice from a Multiemployer Plan that it is in reorganization or
insolvency pursuant to Section 4241 or 4245 of ERISA or that it intends to
terminate or has terminated under Section 4041A of ERISA, (iii) the distribution
by the Parent or any ERISA Affiliate under Section 4041 or 4041A of ERISA of a
notice of intent to terminate any Plan or the taking of any action to terminate
any Plan, (iv) the commencement of proceedings by the PBGC under Section 4042 of
ERISA for the termination of, or the appointment of a trustee to administer, any
Plan, or the receipt by the Parent or any ERISA Affiliate of a notice from any
Multiemployer Plan that such action has been taken by the PBGC with respect to
such Multiemployer Plan, (v) the institution of a proceeding by any fiduciary of
any Multiemployer Plan against the Parent or any ERISA Affiliate to enforce
Section 515 of ERISA, which is not dismissed within thirty (30) days, (vi) the
imposition upon the Parent or any ERISA Affiliate of any liability under Title
IV of ERISA, other than for PBGC premiums due but not delinquent under Section
4007 of ERISA, or the imposition or threatened imposition of any Lien upon any
assets of the Parent or any ERISA Affiliate as a result of any alleged failure
to comply with the Internal Revenue Code or ERISA in respect of any Plan, (vii)
the engaging in or otherwise becoming liable for a nonexempt Prohibited
Transaction by the Parent or any ERISA Affiliate, (viii) a violation of the
applicable requirements of Section 404 or 405 of ERISA or the exclusive benefit
rule under Section 401(a) of the Internal Revenue Code by any fiduciary of any
Plan for which the Parent or any of its ERISA Affiliates may be directly or
indirectly liable or (ix) the adoption of an amendment to any Plan that,
pursuant to Section 401(a)(29) of the Internal Revenue Code or Section 307 of
ERISA, would result in the loss of tax-exempt status of the trust of which such
Plan is a part if the Parent or an ERISA Affiliate fails to timely provide
security to such Plan in accordance with the provisions of such sections.

      "Environmental Claims" shall mean any and all administrative, regulatory
or judicial actions, suits, demands, demand letters, claims, liens, accusations,
allegations, notices of noncompliance or violation,

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investigations (other than internal reports prepared by any Person in the
ordinary course of its business and not in response to any third party action or
request of any kind) or proceedings relating in any way to any actual or alleged
violation of or liability under any Environmental Law or relating to any permit
issued, or any approval given, under any such Environmental Law (collectively,
"Claims"), including, without limitation, (i) any and all Claims by Governmental
Authorities for enforcement, cleanup, removal, response, remedial or other
actions or damages pursuant to any applicable Environmental Law and (ii) any and
all Claims by any third party seeking damages, contribution, indemnification,
cost recovery, compensation or injunctive relief resulting from Hazardous
Substances or arising from alleged injury or threat of injury to human health or
the environment.

      "Environmental Laws" shall mean any and all federal, state and local laws,
statutes, ordinances, rules, regulations, permits, licenses, approvals, rules of
common law and orders of courts or Governmental Authorities, relating to the
protection of human health or occupational safety or the environment, now or
hereafter in effect and in each case as amended from time to time, including,
without limitation, requirements pertaining to the manufacture, processing,
distribution, use, treatment, storage, disposal, transportation, handling,
reporting, licensing, permitting, investigation or remediation of Hazardous
Substances.

      "Event of Default" shall have the meaning given to such term in Section
8.1.

      "Exchange Act" shall mean the Securities Exchange Act of 1934, as amended
from time to time, and any successor statute, and all rules and regulations from
time to time promulgated thereunder.

      "Federal Funds Rate" shall mean, for any period, a fluctuating per annum
interest rate (rounded upwards, if necessary, to the nearest 1/100 of one
percentage point) equal for each day during such period to the weighted average
of the rates on overnight federal funds transactions with members of the Federal
Reserve System arranged by federal funds brokers, as published for such day (or,
if such day is not a Business Day, for the next preceding Business Day) by the
Federal Reserve Bank of New York, or if such rate is not so published for any
day that is a Business Day, the average of the quotations for such day on such
transactions received by the Lender from three federal funds brokers of
recognized standing selected by the Lender.

      "Federal Reserve Board" shall mean the Board of Governors of the Federal
Reserve System and any successor thereto.

      "Fee Letter" shall mean the letter from First Union to the Parent, dated
October 22, 1999, relating to certain fees payable by the Borrowers in respect
of the transactions contemplated by this Agreement, as amended, modified or
supplemented from time to time.

      "Financial Officer" shall mean, with respect to a Borrower, the chief
financial officer, vice president - finance, principal accounting officer or
treasurer of such Borrower.

      "First Union" shall mean First Union National Bank, and its successors and
assigns.

      "GAAP" shall mean generally accepted accounting principles, as set forth
in the statements, opinions and pronouncements of the Accounting Principles
Board, the American Institute of Certified Public Accountants and the Financial
Accounting Standards Board, consistently applied and maintained, as in effect
from time to time (subject to the provisions of Section 1.2).

      "Governmental Authority" shall mean any nation or government, any state or
other political subdivision thereof and any central bank thereof, any municipal,
local, city or county government, and any entity exercising executive,
legislative, judicial, regulatory or administrative functions of or pertaining
to government, and any corporation or other entity owned or controlled, through
stock or capital ownership or otherwise, by any of the foregoing.

      "Hazardous Substances" shall mean any substances or materials (i) that are
defined as hazardous wastes, hazardous substances, pollutants, contaminants or
toxic substances under any Environmental Law, (ii) that are defined by any
Environmental Law as toxic, explosive, corrosive, ignitable, infectious,
radioactive, mutagenic or

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otherwise hazardous, (iii) the presence of which require investigation or
response under any Environmental Law, (iv) that constitute a nuisance, trespass
or health or safety hazard to Persons or neighboring properties, (iv) that
consist of underground or above ground storage tanks, whether empty, filled or
partially filled with any substance, or (v) that contain, without limitation,
asbestos, polychlorinated biphenyls, urea formaldehyde foam insulation,
petroleum hydrocarbons, petroleum derived substances or wastes, crude oil,
nuclear fuel, natural gas or synthetic gas.

      "Hedge Agreement" shall mean any interest or foreign currency rate swap,
cap, collar, option, hedge, forward rate or other similar agreement or
arrangement designed to protect against fluctuations in interest rates or
currency exchange rates.

      "Indebtedness" shall mean, with respect to any Person (without
duplication), (i) all indebtedness and obligations of such Person for borrowed
money or in respect of loans or advances of any kind, (ii) all obligations of
such Person evidenced by notes, bonds, debentures or similar instruments, (iii)
all reimbursement obligations of such Person with respect to surety bonds,
letters of credit and bankers' acceptances (in each case, whether or not drawn
or matured and in the stated amount thereof), (iv) all obligations of such
Person to pay the deferred purchase price of property or services, (v) all
indebtedness created or arising under any conditional sale or other title
retention agreement with respect to property acquired by such Person, (vi) all
obligations of such Person as lessee under leases that are or are required to
be, in accordance with GAAP, recorded as capital leases, to the extent such
obligations are required to be so recorded, (vii) all Disqualified Capital Stock
issued by such Person, with the amount of Indebtedness represented by such
Disqualified Capital Stock being equal to the greater of its voluntary or
involuntary liquidation preference and its maximum fixed repurchase price, but
excluding accrued dividends, if any (for purposes hereof, the "maximum fixed
repurchase price" of any Disqualified Capital Stock that does not have a fixed
repurchase price shall be calculated in accordance with the terms of such
Disqualified Capital Stock as if such Disqualified Capital Stock were purchased
on any date on which Indebtedness shall be required to be determined pursuant to
this Agreement, and if such price is based upon, or measured by, the fair market
value of such Disqualified Capital Stock, such fair market value shall be
determined reasonably and in good faith by the board of directors or other
governing body of the issuer of such Disqualified Capital Stock), (viii) the net
termination obligations of such Person under any Hedge Agreements, calculated as
of any date as if such agreement or arrangement were terminated as of such date,
(ix) all Contingent Obligations of such Person and (x) all indebtedness referred
to in clauses (i) through (ix) above secured by any Lien on any property or
asset owned or held by such Person regardless of whether the indebtedness
secured thereby shall have been assumed by such Person or is nonrecourse to the
credit of such Person.

      "Insurance Regulatory Authority" shall mean, with respect to any Insurance
Subsidiary, the insurance department or similar Governmental Authority charged
with regulating insurance companies or insurance holding companies, in its
jurisdiction of domicile and, to the extent that it has regulatory authority
over such Insurance Subsidiary, in each other jurisdiction in which such
Insurance Subsidiary conducts business or is licensed to conduct business.

      "Insurance Subsidiary" shall mean any direct or indirect Subsidiary of the
Parent the ability of which to pay dividends is regulated by an Insurance
Regulatory Authority or that is otherwise required to be regulated thereby in
accordance with the applicable Requirements of Law of its jurisdiction of
domicile, and shall mean and include, without limitation, SICA, Selective Way
Insurance Company, Selective Insurance Company of South Carolina, Selective
Insurance Company of the Southeast, and Selective Insurance Company of New York.

      "Interest Period" shall have the meaning given to such term in Section
2.10.

      "Internal Revenue Code" shall mean the Internal Revenue Code of 1986, as
amended from time to time, and any successor statute, and all rules and
regulations from time to time promulgated thereunder.

      "Investment Policy" shall mean the Investment Policy of the Insurance
Subsidiaries as of the date hereof, as set forth in Schedule 7.5, together with
such changes therein or additions thereto as are made by the Insurance
Subsidiaries in good faith.

                                       6
<PAGE>   12

      "LIBOR Loan" shall mean, at any time, any Loan that bears interest at such
time at the Adjusted LIBOR Rate.

      "LIBOR Rate" shall mean, with respect to each LIBOR Loan comprising part
of the same Borrowing for any Interest Period, an interest rate per annum
obtained by dividing (i) (y) the rate of interest appearing on Telerate Page
3750 (or any successor page) or (z) if no such rate is available, the rate of
interest determined by the Lender to be the rate or the arithmetic mean of rates
(rounded upward, if necessary, to the nearest 1/16 of one percentage point) at
which Dollar deposits in immediately available funds are offered by First Union
to first-tier banks in the London interbank Eurodollar market, in each case
under (y) and (z) above at approximately 11:00 a.m., London time two (2)
Business Days prior to the first day of such Interest Period for a period
substantially equal to such Interest Period and in an amount substantially equal
to the amount of the LIBOR Loan comprising part of such Borrowing, by (ii) the
amount equal to 1.00 minus the Reserve Requirement (expressed as a decimal) for
such Interest Period.

      "Lender" shall mean First Union National Bank, and its successors and
assigns

      "Lending Office" shall mean the office of the Lender designated as its
"Lending Office" on its signature page hereto or such other office as may be
otherwise designated in writing from time to time by the Lender to the Parent.
The Lender may designate separate Lending Offices as provided in the foregoing
sentence for the purposes of making or maintaining different Types of Loans,
and, with respect to LIBOR Loans, such office may be a domestic or foreign
branch or Affiliate of the Lender.

      "Licenses" shall mean any and all licenses (including provisional
licenses), certificates of need, accreditations, permits, franchises, rights to
conduct business, approvals (by a Governmental Authority or otherwise),
consents, qualifications, operating authority and any other authorizations.

      "Lien" shall mean any mortgage, pledge, hypothecation, assignment,
security interest, lien (statutory or otherwise), preference, priority, charge
or other encumbrance of any nature, whether voluntary or involuntary, including,
without limitation, the interest of any vendor or lessor under any conditional
sale agreement, title retention agreement, capital lease or any other lease or
arrangement having substantially the same effect as any of the foregoing.

      "Loans" shall have the meaning given to such term in Section 2.1.

      "Margin Stock" shall have the meaning given to such term in Regulation U.

      "Material Adverse Change" shall mean a material adverse change in the
condition (financial or otherwise), operations, prospects, business, properties
or assets of, as the case may be, the Parent and its Subsidiaries, taken as a
whole.

      "Material Adverse Effect" shall mean a material adverse effect upon (i)
the condition (financial or otherwise), operations, prospects, business,
properties or assets of the Parent and its Subsidiaries, taken as a whole, (ii)
the ability of the Parent or any Subsidiary to perform its obligations in any
material respect under this Agreement or any of the other Credit Documents to
which it is a party or (iii) the legality, validity or enforceability of this
Agreement or any of the other Credit Documents or the rights and remedies of the
Lender hereunder and thereunder.

      "Material Contract" shall have the meaning given to such term in Section
4.18.

      "Maturity Date" shall mean June 30, 2000 or such later date to which the
Maturity Date may be extended pursuant to Section 2.18.

      "Money Market Loan" shall mean, at any time, any Loan that bears interest
at such time at the Money Market Rate for such Loan.

      "Money Market Rate" for a Loan shall mean a daily fluctuating uncommitted
advised rate for the Interest Period for such Loan offered by the Lender and
accepted by the Borrowers.

                                       7
<PAGE>   13

      "Multiemployer Plan" shall mean any "multiemployer plan" within the
meaning of Section 4001(a)(3) of ERISA to which the Parent or any ERISA
Affiliate makes, is making or is obligated to make contributions or has made or
been obligated to make contributions.

      "NAIC" shall mean the National Association of Insurance Commissioners and
any successor thereto.

      "Net Amount Recoverable from Reinsurers" shall mean, as to any Insurance
Subsidiary, as of any time, the amount as shown on Schedule F - Part 3, column
13 of the Annual Statement of such Insurance Subsidiary, or an amount determined
in a consistent manner as of any date other than one as of which an Annual
Statement is prepared.

      "Note" shall mean the promissory note of the Borrowers in substantially
the form of Exhibit A, together with any amendments, modifications and
supplements thereto, substitutions therefor and restatements thereof.

      "Notice of Borrowing" shall have the meaning given to such term in Section
2.2(c).

      "Notice of Conversion/Continuation" shall have the meaning given to such
term in Section 2.11(b).

      "Obligations" shall mean all principal of and interest (including, to the
greatest extent permitted by law, post-petition interest) on the Loans, and all
fees, reasonable expenses, indemnities and other obligations owing, due or
payable at any time by the Borrowers to the Lender or any other Participant
pursuant to Section 9.7 entitled thereto, under this Agreement or any of the
other Credit Documents.

      "PBGC" shall mean the Pension Benefit Guaranty Corporation and any
successor thereto.

      "Permitted Acquisition" shall mean (a) any Acquisition with respect to
which all of the following conditions are satisfied: (i) each business acquired
shall be within the permitted lines of business described in Section 7.8, (ii)
in the case of an Acquisition involving the acquisition of control of Capital
Stock of any Person, immediately after giving effect to such Acquisition such
Person (or the surviving Person, if the acquisition is effected through a merger
or consolidation) shall be the Parent or a Subsidiary, and (iii) all of the
conditions and requirements of Section 5.9 applicable to such Acquisition are
satisfied; or (b) any other Acquisition to which the Lender shall have given its
prior written consent (which consent may be in its sole discretion and may be
given subject to such additional terms and conditions as the Lender shall
establish) and with respect to which all of the conditions and requirements set
forth in this definition and in Section 5.9, and in or pursuant to any such
consent, have been satisfied or waived in writing by the Lender.

      "Permitted Liens" shall have the meaning given to such term in Section
7.3.

      "Person" shall mean any corporation, association, joint venture,
partnership, limited liability company, organization, business, individual,
trust, government or agency or political subdivision thereof or any other legal
entity.

      "Plan" shall mean any "employee pension benefit plan" within the meaning
of Section 3(2) of ERISA that is subject to the provisions of Title IV of ERISA
(other than a Multiemployer Plan) and to which the Parent or any ERISA Affiliate
may have any liability.

      "Prohibited Transaction" shall mean any transaction described in (i)
Section 406 of ERISA that is not exempt by reason of Section 408 of ERISA or by
reason of a Department of Labor prohibited transaction individual or class
exemption or (ii) Section 4975(c) of the Internal Revenue Code that is not
exempt by reason of Section 4975(c)(2) or 4975(d) of the Internal Revenue Code.

      "Quarterly Statement" shall mean, with respect to any Insurance Subsidiary
for any fiscal quarter, the quarterly financial statements of such Insurance
Subsidiary as required to be filed with the Insurance Regulatory Authority of
its jurisdiction of domicile, together with all exhibits, schedules,
certificates and actuarial opinions required to be filed or delivered therewith.

                                       8
<PAGE>   14

      "Regulations D, T, U and X" shall mean Regulations D, T, U and X,
respectively, of the Federal Reserve Board, and any successor regulations.

      "Reinsurance Agreement" shall mean any agreement, contract, treaty,
certificate or other arrangement whereby any Insurance Subsidiary agrees to
transfer, cede or retrocede to another insurer or reinsurer all or part of the
liability assumed or assets held by such Insurance Subsidiary under a policy or
policies of insurance issued by such Insurance Subsidiary or under a reinsurance
agreement assumed by such Insurance Subsidiary.

      "Reinsurance Premiums Ceded" shall mean, for any Insurance Subsidiary, for
any period, the amount as shown on Schedule F -Part 3, column 1 of the Annual
Statement of such Insurance Subsidiary, or an amount determined in a manner
consistent for any period other than one for which an Annual Statement is
prepared.

      "Reportable Event" shall mean (i) any "reportable event" within the
meaning of Section 4043(c) of ERISA for which the 30-day notice under Section
4043(a) of ERISA has not been waived by the PBGC (including any failure to meet
the minimum funding standard of, or timely make any required installment under,
Section 412 of the Internal Revenue Code or Section 302 of ERISA, regardless of
the issuance of any waivers in accordance with Section 412(d) of the Internal
Revenue Code), (ii) any such "reportable event" subject to advance notice to the
PBGC under Section 4043(b)(3) of ERISA, (iii) any application for a funding
waiver or an extension of any amortization period pursuant to Section 412 of the
Internal Revenue Code, and (iv) a cessation of operations described in Section
4062(e) of ERISA.

      "Requirement of Law" shall mean, with respect to any Person, (i) the
charter, articles or certificate of organization or incorporation and bylaws or
other organizational documents of such Person, and (ii) (a) any statute, law,
treaty, rule or regulation in each case applicable to or binding upon such
Person or any of its property or to which such Person or any of its property is
subject or otherwise pertaining to any or all of the transactions contemplated
by this Agreement and the other Credit Documents, and (b) any order, decree,
writ, injunction or determination of any arbitrator or court or other
Governmental Authority which, by its terms, is expressly applicable to or
binding upon such Person or any of its property, or otherwise pertaining to any
or all of the transactions contemplated by this Agreement and the other Credit
Documents.

      "Reserve Requirement" shall mean, with respect to any Interest Period, the
reserve percentage (expressed as a decimal) in effect from time to time during
such Interest Period, as provided by the Federal Reserve Board, applied for
determining the maximum reserve requirements (including, without limitation,
basic, supplemental, marginal and emergency reserves) applicable to First Union
under Regulation D with respect to "Eurocurrency liabilities" within the meaning
of Regulation D, or under any similar or successor regulation with respect to
Eurocurrency liabilities or Eurocurrency funding.

      "Responsible Officer" shall mean, with respect to either Borrower, the
president, the chief executive officer, the chief financial officer, any
executive officer, or any other Financial Officer of such Borrower, and any
other officer or similar official thereof responsible for the administration of
the obligations of such Borrower in respect of this Agreement.

      "Significant Subsidiary" shall mean each of (i) the Insurance Subsidiaries
and (ii) any other Subsidiary within the meaning in Regulation S-X promulgated
by the Securities and Exchange Commission.

      "Standard & Poor's" shall mean Standard & Poor's Ratings Services, a
division of McGraw-Hill Companies, Inc., its successors and assigns.

      "Statutory Accounting Practices" or "SAP" shall mean, with respect to any
Insurance Subsidiary, the statutory accounting practices prescribed or permitted
by the relevant Insurance Regulatory Authority of its state of domicile,
consistently applied and maintained and in conformity with those used in the
preparation of the most recent statutory financial statements described in
Section 4.11(e) (except where changes are required by the relevant Insurance
Regulatory Authority) and the Annual Statement.

                                       9
<PAGE>   15

      "Statutory Capital and Surplus" shall mean, as to any Insurance
Subsidiary, as of any date, the amount shown on line 27, column 1, page 3 of the
Annual Statement of such Insurance Subsidiary, or the sum of amounts determined
in a consistent manner for any date other than one as of which an Annual
Statement is prepared.

      "Subsidiary" shall mean, with respect to any Person, any corporation or
other Person of which more than fifty percent (50%) of the outstanding Capital
Stock having ordinary voting power to elect a majority of the board of
directors, board of managers or other governing body of such Person, is at the
time, directly or indirectly, owned by such Person and one or more of its other
Subsidiaries or a combination thereof (irrespective of whether, at the time,
securities of any other class or classes of any such corporation or other Person
shall or might have voting power by reason of the happening of any contingency).
When used without reference to a parent entity, the term "Subsidiary" shall be
deemed to refer to a Subsidiary of the Parent.

      "Surplus Relief Reinsurance Agreement" shall mean any agreement or other
arrangement whereby any Insurance Subsidiary cedes business under a reinsurance
agreement that would not be considered a transaction that indemnifies an insurer
against loss or liability relating to insurance risk, as determined in
accordance with Statement of Financial Accounting Standards No. 113 ("FAS 113")
issued by the Financial Accounting Standards Board (without regard to the
effective date of FAS 113).

      "Termination Date" shall mean the Maturity Date or such earlier date of
termination of the Commitment pursuant to Section 2.5 or Section 8.2.

      "Type" shall have the meaning given to such term in Section 2.2(a)

      "Unfunded Pension Liability" shall mean, with respect to any Plan or
Multiemployer Plan, the excess of its benefit liabilities under Section
4001(a)(16) of ERISA over the current value of its assets, determined in
accordance with the applicable assumptions used for funding under Section 412 of
the Code for the applicable plan year.

      "Wholly Owned" shall mean, with respect to any Subsidiary of any Person,
that 100% of the outstanding Capital Stock of such Subsidiary is owned, directly
or indirectly, by such Person.

      1.2 Accounting Terms. Except as specifically provided otherwise in this
Agreement, all accounting terms used herein that are not specifically defined
shall have the meanings customarily given them pursuant to, and all financial
computations shall be made in accordance with, GAAP (or, to the extent that such
terms apply solely to any Insurance Subsidiary or if otherwise expressly
required, SAP) as in effect as of the date of this Agreement applied on a basis
consistent with the application used in preparing the most recent financial
statements of the Parent and any such Insurance Subsidiary. Notwithstanding the
foregoing, in the event that any changes in GAAP or SAP after the date hereof
are required to be applied to the transactions described herein and would affect
the computation of the financial covenants contained in Article VI, such changes
shall be followed in the computation of such financial covenants only from and
after the date this Agreement shall have been amended to take into account any
such changes, provided the parties agree to negotiate in good faith to so amend
this Agreement as soon as practicable after such a change. References to amounts
on particular exhibits, schedules, lines, pages and columns of any Annual
Statement or Quarterly Statement are based on the format promulgated by the NAIC
for the 1998 Annual Statements and Quarterly Statements. In the event such
format is changed in future years so that different information is contained in
such items or they no longer exist, or if the Annual Statement or Quarterly
Statement is replaced by the NAIC or by any Insurance Regulatory Authority after
the date hereof such that different forms of financial statements are required
to be furnished by any Insurance Subsidiary in lieu thereof, such references
shall be to information consistent with that reported in the referenced item in
the 1998 Annual Statements or Quarterly Statements, as the case may be.

      1.3 Other Terms; Construction. Unless otherwise specified or unless the
context otherwise requires, all references herein to sections, annexes,
schedules and exhibits are references to sections, annexes, schedules and
exhibits in and to this Agreement, and all terms defined in this Agreement shall
have the defined meanings when used in any other Credit Document or any
certificate or other document made or delivered pursuant hereto.

                                       10
<PAGE>   16

                                   ARTICLE II

                          AMOUNT AND TERMS OF THE LOANS

      2.1 Commitment. The Lender agrees, subject to and on the terms and
conditions of this Agreement, to make loans (each, a "Loan," and collectively,
the "Loans") to the Borrowers, from time to time on any Business Day during the
period from and including the Closing Date to but not including the Termination
Date, in an aggregate principal amount at any time outstanding not greater than
its Commitment at such time, provided that no Borrowing of Loans shall be made
if, immediately after giving effect thereto, the aggregate principal amount of
Loans outstanding at such time would exceed the Commitment at such time. Subject
to and on the terms and conditions of this Agreement, the Borrowers may borrow,
repay and reborrow Loans.

      2.2 Borrowings.

      (a) The Loans shall, at the option of the requesting Borrower and subject
to the terms and conditions of this Agreement, be either (i) Base Rate Loans,
(ii) LIBOR Loans or (iii) Money Market Loans (each, a "Type" of Loan), provided
that (i) all Loans comprising the same Borrowing shall, unless otherwise
specifically provided herein, be of the same Type, and (ii) no Borrowing of
LIBOR Loans may be made at any time prior to the second Business Day after the
Closing Date.

      (b) A Borrower may request that the Lender make one or more Loans at a
Money Market Rate. If the Lender, in its sole discretion, offers such Borrower a
Money Market Rate and if the Lender and such Borrower agree upon a Money Market
Rate, the Loan or Loans requested shall bear interest at the Money Market Rate
for the Interest Period or Interest Periods applicable thereto. The Borrowers
expressly agree that: (i) the Lender shall have no obligation to make Loans
available to the Borrowers at a Money Market Rate, (ii) the determination
whether to offer a Money Market Rate to the Borrowers and to make a Loan bearing
interest at a Money Market Rate is in the sole discretion of the Lender, and
(iii) the Lender shall have no liability if it shall decide for any reason, not
to offer a Money Market Rate to the Borrowers if the Lender and the requesting
Borrower do not agree to a Money Market Rate.

      (c) In order to make a Borrowing (other than Borrowings involving
continuations or conversions of outstanding Loans, which shall be made pursuant
to Section 2.11), the requesting Borrower will give the Lender written notice
not later than 11:00 a.m., Charlotte time, two (2) Business Days prior to each
Borrowing to be comprised of LIBOR Loans and not later than 10:00 a.m.,
Charlotte time, the same Business Day prior to each Borrowing to be comprised of
Base Rate Loans or Money Market Loans; provided, however, that the request for
the Borrowing of the Loan to be made on the Closing Date may, at the discretion
of the Lender, be given later than the times specified hereinabove. Each such
notice (each, a "Notice of Borrowing") shall be irrevocable, shall be given in
the form of Exhibit B-1 and shall specify (1) the aggregate principal amount and
initial Type of the Loans to be made pursuant to such Borrowing, (2) in the case
of a Borrowing of LIBOR Loans or Money Market Loans, the initial Interest Period
to be applicable thereto, and (3) the requested date of such Borrowing (the
"Borrowing Date"), which shall be a Business Day. Notwithstanding anything to
the contrary contained herein:

            (i) the aggregate principal amount of each Borrowing comprised of
      Base Rate Loans shall not be less than $500,000 or, if greater, an
      integral multiple of $100,000 in excess thereof (or, if less, in the
      amount of the aggregate Unutilized Commitments), and the aggregate
      principal amount of each Borrowing comprised of LIBOR Loans or Money
      Market Loans shall not be less than $750,000 or, if greater, an integral
      multiple of $250,000 in excess thereof;

            (ii) if the requesting Borrower shall have failed to designate the
      Type of Loans comprising a Borrowing, then such Borrower shall be deemed
      to have requested a Borrowing comprised of Base Rate Loans; and

            (iii) if the requesting Borrower shall have failed to select the
      duration of the Interest Period to be applicable to any Borrowing of LIBOR
      Loans, then such Borrower shall be deemed to have selected an Interest
      Period with a duration of one month;

                                       11
<PAGE>   17

      (d) Not later than 1:00 p.m., Charlotte time, on the requested Borrowing
Date, the Lender will make such amounts available to the Borrower making such
Borrowing.

      2.3 Disbursements.

      (a) The Borrowers hereby authorize the Lender to disburse the proceeds of
each Borrowing to the Borrower making such Borrowing in accordance with the
terms of any written instructions from any of the Authorized Officers, provided
that the Lender shall not be obligated under any circumstances to forward
amounts to any account not listed in an Account Designation Letter. Either
Borrower may at any time deliver to the Lender an Account Designation Letter
listing any additional accounts or deleting any accounts listed in a previous
Account Designation Letter.

      (b) The Lender may, at its option, make and maintain any Loan at, to or
for the account of any of its Lending Offices, provided, however, that any
exercise of such option shall not affect the obligation of the Borrowers to
repay such Loan to or for the account of the Lender in accordance with the terms
of this Agreement.

      2.4 Note.

      (a) The Loans shall be evidenced by a Note appropriately completed in the
form of Exhibit A by each Borrower.

      (b) The Note shall (i) be executed by each Borrower, (ii) be payable to
the order of the Lender, (iii) be dated as of the Closing Date, (iv) be in a
stated principal amount equal to the Commitment, (v) bear interest in accordance
with the provisions of Section 2.8, as the same may be applicable from time to
time to the Loans made by the Lender, and (vi) be entitled to all of the
benefits of this Agreement and the other Credit Documents and subject to the
provisions hereof and thereof.

      (c) The Lender will record on its internal records the amount and Type of
each Loan made by it and each payment received by it in respect thereof and
will, in the event of any transfer of its Note, either endorse on the reverse
side thereof or on a schedule attached thereto (or any continuation thereof) the
outstanding principal amount and Type of the Loans evidenced thereby as of the
date of transfer; provided, however, that the failure of the Lender to make any
such recordation or provide any such information, or any error therein, shall
not affect the Borrowers' obligations under this Agreement or the Note.

      2.5 Termination of Commitment.

      (a) The Commitment shall be automatically and permanently terminated on
the Termination Date (or on October 22, 1999, but only if the Closing Date shall
not have occurred on or prior to such date).

      (b) At any time and from time to time after the date hereof, upon not less
than five (5) Business Days' prior written notice to the Lender, the Borrower
may terminate in whole or reduce in part the Commitment, provided that any such
partial reduction shall be in an aggregate amount of not less than $1,000,000
or, if greater, an integral multiple of $1,000,000 in excess thereof. The amount
of any termination or reduction made under this subsection (b) may not
thereafter be reinstated.

      2.6 Mandatory Payments and Prepayments.

      (a) Except to the extent due or paid sooner pursuant to the provisions of
this Agreement, the aggregate outstanding principal of the Loans shall be due
and payable in full on the Maturity Date.

      (b) In the event that, at any time, the aggregate principal amount of
Loans outstanding at such time shall exceed the Commitment at such time (after
giving effect to any concurrent termination or reduction thereof), the Borrowers
will immediately prepay, after having knowledge thereof, the outstanding
principal amount of the Loans in the amount of such excess; provided, however,
the Borrowers shall be entitled to select which Loans shall be prepaid.

                                       12
<PAGE>   18

      (c) Each payment or prepayment of a LIBOR Loan or Money Market Loan made
pursuant to the provisions of this Section on a day other than the last day of
the Interest Period applicable thereto shall be made together with all amounts
required under Section 2.17 to be paid as a consequence thereof.

      2.7 Voluntary Prepayments. At any time and from time to time, the
Borrowers shall have the right to prepay the Loans, in whole or in part, without
premium or penalty (except as provided in clause (iii) below), upon written
notice given to the Lender not later than 11:00 a.m., Charlotte time, two (2)
Business Days prior to each intended prepayment of LIBOR Loans and Money Market
Loans and the same Business Day prior to each intended prepayment of Base Rate
Loans, provided that (i) each partial prepayment shall be in an aggregate
principal amount of not less than $750,000 or, if greater, an integral multiple
of $250,000 in excess thereof in the case of LIBOR Loans and Money Market Loans
and an aggregate principal amount of not less than $500,000 or, if greater, an
integral multiple of $100,000 in excess thereof in the case of Base Rate Loans,
(ii) no partial prepayment of a LIBOR Loan made pursuant to any single Borrowing
shall reduce the outstanding principal amount of the remaining LIBOR Loan under
such Borrowing to less than $750,000 or to any greater amount not an integral
multiple of $250,000 in excess thereof, and (iii) unless made together with all
amounts required under Section 2.17 to be paid as a consequence of such
prepayment, a prepayment of a LIBOR Loan or a Money Market Loan may be made only
on the last day of the Interest Period applicable thereto. Each such notice
shall specify the proposed date of such prepayment and the aggregate principal
amount and Type of the Loans to be prepaid (and, in the case of LIBOR Loans or
Money Market Loans, the Interest Period of the Borrowing pursuant to which
made), and shall be irrevocable and shall bind the Borrowers to make such
prepayment on the terms specified therein. Loans prepaid pursuant to this
Section may be reborrowed, subject to the terms and conditions of this
Agreement.

      2.8 Interest.

      (a) The Borrowers will pay interest in respect of the unpaid principal
amount of each Loan, from the date of Borrowing thereof until such principal
amount shall be paid in full, (i) at the Base Rate, as in effect from time to
time during such periods as such Loan is a Base Rate Loan, (ii) at the Money
Market Rate for such Loan offered by the Lender and accepted by the Borrowers as
in effect from time to time during the Interest Period therefor, and (iii) at
the Adjusted LIBOR Rate, as in effect from time to time during such periods as
such Loan is a LIBOR Loan.

      (b) Upon the occurrence and during the continuance of an Event of Default
as the result of failure by the Borrowers to pay any principal of or interest on
any Loan, any fees or other amount hereunder when due (whether at maturity,
pursuant to acceleration or otherwise), and upon the occurrence and during the
continuance of any other Event of Default, all outstanding principal amounts of
the Loans and, to the greatest extent permitted by law, all interest accrued on
the Loans and all other accrued and outstanding fees and other amounts
hereunder, shall, at the option of the Lender, bear interest at a rate per annum
equal to the Prime Rate applicable from time to time thereafter to such Loans
plus 2% and, in each case, such default interest shall be payable on demand. To
the greatest extent permitted by law, interest shall continue to accrue after
the filing by or against the Borrowers of any petition seeking any relief in
bankruptcy or under any law pertaining to insolvency or debtor relief.

      (c) Accrued (and theretofore unpaid) interest shall be payable as follows:

            (i) in respect of each Base Rate Loan (including any Base Rate Loan
      or portion thereof paid or prepaid pursuant to the provisions of Section
      2.6, except as provided hereinbelow), in arrears on the last Business Day
      of each calendar quarter, beginning with the first such day to occur after
      the Closing Date; provided, that in the event the Loans are repaid or
      prepaid in full and the Commitment has been terminated, then accrued
      interest in respect of all Base Rate Loans shall be payable together with
      such repayment or prepayment on the date thereof;

            (ii) in respect of each LIBOR Loan or Money Market Loan (including
      any LIBOR Loan or Money Market Loan or portion thereof paid or prepaid
      pursuant to the provisions of Section 2.6, except as provided
      hereinbelow), in arrears on the last Business Day of the Interest Period
      applicable thereto (subject to the provisions of clause (iv) in Section
      2.10); provided, that in the event all of the LIBOR Loan or Money Market
      Loan made pursuant to a single Borrowing is repaid or prepaid in full,
      then accrued interest

                                       13
<PAGE>   19

      in respect of such LIBOR Loan or Money Market Loan shall be payable
      together with such repayment or prepayment on the date thereof; and

            (iii) in respect of any Loan, at the Maturity Date (whether pursuant
      to acceleration or otherwise) and, after the Maturity Date, on demand.

      (d) Nothing contained in this Agreement or in any other Credit Document
shall be deemed to establish or require the payment of interest to the Lender at
a rate in excess of the maximum rate permitted by applicable law. If the amount
of interest payable for the account of the Lender on any interest payment date
would exceed the maximum amount permitted by applicable law to be charged by the
Lender, the amount of interest payable for its account on such interest payment
date shall be automatically reduced to such maximum permissible amount. In the
event of any such reduction affecting the Lender, if from time to time
thereafter the amount of interest payable for the account of the Lender on any
interest payment date would be less than the maximum amount permitted by
applicable law to be charged by the Lender, then the amount of interest payable
for its account on such subsequent interest payment date shall be automatically
increased to such maximum permissible amount, provided that at no time shall the
aggregate amount by which interest paid for the account of the Lender has been
increased pursuant to this sentence exceed the aggregate amount by which
interest paid for its account has theretofore been reduced pursuant to the
previous sentence.

      (e) The Lender shall promptly notify the applicable Borrower upon
determining the interest rate for each Borrowing of LIBOR Loans after its
receipt of the relevant Notice of Borrowing or Notice of
Conversion/Continuation, and upon each change in the Base Rate or Money Market
Rate; provided, however, that the failure of the Lender to provide the
applicable Borrower with any such notice shall not affect any obligations of
such Borrower nor result in any liability on the part of the Lender to such
Borrower. Each such determination (including each determination of the Reserve
Requirement) shall, absent manifest error, be conclusive and binding on all
parties hereto.

      2.9 Fees. The Borrowers agree to pay to the Lender:

      (a) A facility fee for each calendar month (or portion thereof) for the
period from the date of this Agreement to the Termination Date, at a per annum
rate equal to 0.15% on the Lender's Commitment calculated on the basis of a
360-day year for the actual days elapsed, payable in arrears (i) on the last
Business Day of each calendar quarter, beginning with the first such day to
occur after the Closing Date, and (ii) on the Termination Date; and

      (b) The fee described in the Fee Letter.

      2.10 Interest Periods. Concurrently with the giving of a Notice of
Borrowing or Notice of Conversion/Continuation in respect of any Borrowing
comprised of Base Rate Loans to be converted into, or LIBOR Loans to be
continued as, LIBOR Loans, the Borrower requesting the particular LIBOR Loan
shall have the right to elect, pursuant to such notice, the interest period
(each, an "Interest Period") to be applicable to such LIBOR Loans, which
Interest Period shall, at the option of the applicable Borrower be, in the case
of a Money Market Loan overnight to a thirty (30) day period and in the case of
a LIBOR Loan, a one, two or three-month period; provided, however, that:

            (i) all LIBOR Loans or Money Market Loans comprising a single
      Borrowing shall at all times have the same Interest Period;

            (ii) the initial Interest Period for any LIBOR Loan or Money Market
      Loan shall commence on the date of the Borrowing of such LIBOR Loan or
      Money Market Loan (including the date of any continuation of, or
      conversion into, such LIBOR Loan), and each successive Interest Period
      applicable to such LIBOR Loan or Money Market Loan shall commence on the
      day on which the next preceding Interest Period applicable thereto
      expires;

                                       14
<PAGE>   20

            (iii) LIBOR Loans and Money Market Loans may not be outstanding
      under more than six (6) separate Interest Periods at any one time (for
      which purpose Interest Periods shall be deemed to be separate even if they
      are coterminous);

            (iv) if any Interest Period otherwise would expire on a day that is
      not a Business Day, such Interest Period shall expire on the next
      succeeding Business Day unless such next succeeding Business Day falls in
      another calendar month, in which case such Interest Period shall expire on
      the next preceding Business Day;

            (v) the Borrowers may not select any Interest Period that begins
      prior to the Closing Date or that expires after the Maturity Date;

            (vi) if any Interest Period begins on a day for which there is no
      numerically corresponding day in the calendar month during which such
      Interest Period would otherwise expire, such Interest Period shall expire
      on the last Business Day of such calendar month; and

            (vii) if, upon the expiration of any Interest Period applicable to a
      Borrowing of LIBOR Loans, the applicable Borrower shall have failed to
      elect a new Interest Period to be applicable to such LIBOR Loans, then the
      Borrower shall be deemed to have elected to convert such LIBOR Loans into
      Base Rate Loans as of the expiration of the then current Interest Period
      applicable thereto

      2.11 Conversions and Continuations.

      (a) The Borrowers shall have the right, on any Business Day occurring on
or after the Closing Date, to elect (i) to convert all or a portion of the
outstanding principal amount of any Base Rate Loans into LIBOR Loans, or to
convert any LIBOR Loans the Interest Periods for which end on the same day into
Base Rate Loans, or (ii) to continue all or a portion of the outstanding
principal amount of any LIBOR Loans the Interest Periods for which end on the
same day for an additional Interest Period, provided that (x) any such
conversion of LIBOR Loans into Base Rate Loans shall involve an aggregate
principal amount of not less than $500,000 or, if greater, an integral multiple
of $100,000 in excess thereof; any such conversion of Base Rate Loans into, or
continuation of, LIBOR Loans shall involve an aggregate principal amount of not
less than $750,000 or, if greater, an integral multiple of $250,000 in excess
thereof; and no partial conversion of LIBOR Loans made pursuant to a single
Borrowing shall reduce the outstanding principal amount of such LIBOR Loans to
less than $750,000 or to any greater amount not an integral multiple of $250,000
in excess thereof, (y) except as otherwise provided in Section 2.15(d), LIBOR
Loans may be converted into Base Rate Loans only on the last day of the Interest
Period applicable thereto (and, in any event, if a LIBOR Loan is converted into
a Base Rate Loan on any day other than the last day of the Interest Period
applicable thereto, the Borrowers will pay, upon such conversion, all amounts
required under Section 2.17 to be paid as a consequence thereof), and (z) no
conversion of Base Rate Loans into LIBOR Loans or continuation of LIBOR Loans
shall be permitted during the continuance of a Default or Event of Default.

      (b) The applicable Borrower shall make each such election by giving the
Lender written notice not later than 11:00 a.m., Charlotte time, two (2)
Business Days prior to the intended effective date of any conversion of Base
Rate Loans into, or continuation of, LIBOR Loans and not later than 10:00 a.m.,
Charlotte time, the same Business Day prior to the intended effective date of
any conversion of LIBOR Loans into Base Rate Loans. Each such notice (each, a
"Notice of Conversion/Continuation") shall be irrevocable, shall be given in the
form of Exhibit B-2 and shall specify (x) the date of such conversion or
continuation (which shall be a Business Day), (y) in the case of a conversion
into, or a continuation of, LIBOR Loans, the Interest Period to be applicable
thereto, and (z) the aggregate amount and Type of the Loans being converted or
continued. In the event that the applicable Borrower shall fail to deliver a
Notice of Conversion/Continuation as provided herein with respect to any
outstanding LIBOR Loans, such LIBOR Loans shall automatically be converted to
Base Rate Loans upon the expiration of the then current Interest Period
applicable thereto (unless repaid pursuant to the terms hereof). In the event
the applicable Borrower shall have failed to select in a Notice of
Conversion/Continuation the duration of the Interest Period to be applicable to
any conversion into, or continuation of, LIBOR Loans, then the applicable
Borrower shall be deemed to have selected an Interest Period with a duration of
one month.

                                       15
<PAGE>   21

      2.12 Method of Payments; Computations.

      (a) All payments by the Borrowers hereunder shall be made without setoff,
counterclaim or other defense, in Dollars and in immediately available funds to
the Lender, prior to 12:00 noon, Charlotte time, on the date payment is due. Any
payment made as required hereinabove, but after 12:00 noon, Charlotte time,
shall be deemed to have been made on the next succeeding Business Day. If any
payment falls due on a day that is not a Business Day, then such due date shall
be extended to the next succeeding Business Day (except that in the case of
LIBOR Loans to which the provisions of clause (iv) in Section 2.10 are
applicable, such due date shall be the next preceding Business Day), and such
extension of time shall then be included in the computation of payment of
interest, fees or other applicable amounts.

      (b) The Lender may, but shall not be obligated to, debit the amount of any
such payment not made as and when required hereunder to any ordinary deposit
account of either Borrower with the Lender (with prompt notice to such
Borrower); provided, however, that the failure to give such notice shall not
affect the validity of such debit by the Lender.

      (c) All computations of interest and fees hereunder (including
computations of the Reserve Requirement) shall be made on the basis of a year
consisting of (y) with respect to Base Rate Loans, 365 days and the actual
number of days (including the first day, but excluding the last day) elapsed,
and (z) with respect to LIBOR Loans and Money Market Loans, 360 days and the
actual number of days (including the first day, but excluding the last day)
elapsed.

      2.13 Recovery of Payments. Each Borrower agrees that to the extent such
Borrower makes a payment or payments to or for the account of the Lender, which
payment or payments or any part thereof are subsequently invalidated, declared
to be fraudulent or preferential, set aside or required to be repaid to a
trustee, receiver or any other party under any bankruptcy, insolvency or similar
state or federal law, common law or equitable cause, then, to the extent of such
payment or repayment, the Obligation intended to be satisfied shall be revived
and continued in full force and effect as if such payment had not been received.

      2.14 Use of Proceeds. The proceeds of the Loans shall be used (i) for
working capital and general corporate purposes, (ii) to repurchase shares of
common stock of the Parent, (iii) finance Permitted Acquisitions and related
transaction expenses and (iv) to pay or reimburse certain fees and expenses in
connection with the closing of the transactions contemplated hereby.

      2.15 Increased Costs; Change in Circumstances; Illegality; etc.

      (a) If, at any time after the date hereof and from time to time, the
introduction of or any change in any applicable law, rule or regulation or in
the interpretation or administration thereof by any Governmental Authority
charged with the interpretation or administration thereof, or compliance by the
Lender with any guideline or request from any such Governmental Authority
(whether or not having the force of law), shall (i) subject the Lender to any
tax or other charge, or change the basis of taxation of payments to the Lender,
in respect of any of its LIBOR Loans or any other amounts payable hereunder or
its obligation to make, fund or maintain any LIBOR Loans (other than any change
in the rate or basis of tax on the overall net income of the Lender), (ii)
impose, modify or deem applicable any reserve, special deposit or similar
requirement (other than as a result of any change in the Reserve Requirement)
against assets of, deposits with or for the account of, or credit extended by,
the Lender, or (iii) impose on the Lender or its applicable Lending Office any
other condition, and the result of any of the foregoing shall be to increase the
cost to the Lender of making or maintaining any LIBOR Loans or to reduce the
amount of any sum received or receivable by the Lender hereunder, each Borrower
will, promptly upon demand by the Lender therefor (which shall include a
calculation in reasonable detail), pay to the Lender such additional amounts as
shall compensate the Lender for such increase in costs or reduction in return.
The Lender agrees to treat each Borrower in a manner consistent with other
similarly situated borrowers.

      (b) If, at any time after the date hereof and from time to time, the
Lender shall have reasonably determined that the introduction of or any change
in any applicable law, rule or regulation regarding capital adequacy or in the
interpretation or administration thereof by any Governmental Authority charged
with the interpretation or administration thereof, or compliance by the Lender
with any guideline or request from any such

                                       16
<PAGE>   22

Governmental Authority (whether or not having the force of law), has or would
have the effect, as a consequence of the Lender's Commitment or Loans, of
reducing the rate of return on the capital of the Lender or any Person
controlling the Lender to a level below that which the Lender or controlling
Person could have achieved but for such introduction, change or compliance
(taking into account the Lender's or controlling Person's policies with respect
to capital adequacy), each Borrower will, promptly upon demand therefor by the
Lender (which shall include a calculation in reasonable detail) therefor, pay to
the Lender such additional amounts as will compensate the Lender or controlling
Person for such reduction in return. The Lender agrees to treat each Borrower in
a manner consistent with other similarly situated borrowers.

      (c) If, on or prior to the first day of any Interest Period, (y) the
Lender shall have determined that adequate and reasonable means do not exist for
ascertaining the applicable LIBOR Rate for such Interest Period or (z) the
Lender shall have determined that the rate of interest referred to in the
definition of "LIBOR Rate" upon the basis of which the Adjusted LIBOR Rate for
LIBOR Loans for such Interest Period is to be determined will not adequately and
fairly reflect the cost to the Lender of making or maintaining LIBOR Loans
during such Interest Period, the Lender will forthwith so notify the applicable
Borrower. Upon such notice, (i) all then outstanding LIBOR Loans shall
automatically, on the expiration date of the respective Interest Periods
applicable thereto (unless then repaid in full), be converted into Base Rate
Loans, (ii) the obligation of the Lender to make, to convert Base Rate Loans
into, or to continue, LIBOR Loans shall be suspended (including pursuant to the
Borrowing to which such Interest Period applies), and (iii) any Notice of
Borrowing or Notice of Conversion/Continuation given at any time thereafter with
respect to LIBOR Loans shall be deemed to be a request for Base Rate Loans, in
each case until the Lender shall have determined that the circumstances giving
rise to such suspension no longer exist and the Lender shall have so notified
the applicable Borrower.

      (d) Notwithstanding any other provision in this Agreement, if, at any time
after the date hereof and from time to time, the Lender shall have determined in
good faith that the introduction of or any change in any applicable law, rule or
regulation or in the interpretation or administration thereof by any
Governmental Authority charged with the interpretation or administration
thereof, or compliance with any guideline or request from any such Governmental
Authority (whether or not having the force of law), has or would have the effect
of making it unlawful for the Lender to make or to continue to make or maintain
LIBOR Loans, the Lender will forthwith so notify the applicable Borrower. Upon
such notice, (i) each of the Lender's then outstanding LIBOR Loans shall
automatically, on the expiration date of the respective Interest Period
applicable thereto (or, to the extent any such LIBOR Loan may not lawfully be
maintained as a LIBOR Loan until such expiration date, upon such notice), be
converted into a Base Rate Loan, (ii) the obligation of the Lender to make, to
convert Base Rate Loans into, or to continue, LIBOR Loans shall be suspended
(including pursuant to any Borrowing for which the Lender has received a Notice
of Borrowing but for which the Borrowing Date has not arrived), and (iii) any
Notice of Borrowing or Notice of Conversion/Continuation given at any time
thereafter with respect to LIBOR Loans shall, as to the Lender, be deemed to be
a request for a Base Rate Loan, in each case until the Lender shall have
determined that the circumstances giving rise to such suspension no longer exist
and shall have so notified the applicable Borrower.

      (e) Determinations by the Lender for purposes of this Section of any
increased costs, reduction in return, market contingencies, illegality or any
other matter shall, absent manifest error, be conclusive, provided that such
determinations are made in good faith, are commercially reasonable and comply
with the terms and conditions of this Agreement and with applicable law. No
failure by the Lender at any time to demand payment of any amounts payable under
this Section shall constitute a waiver of its right to demand payment of any
additional amounts arising at any subsequent time. Nothing in this Section shall
require or be construed to require either Borrower to pay any interest, fees,
costs or other amounts in excess of that permitted by applicable law.

      2.16 Taxes.

      (a) Any and all payments by the Borrowers hereunder or under any Note
shall be made, in accordance with the terms hereof and thereof, free and clear
of and without deduction for any and all present or future taxes, levies,
imposts, deductions, charges or withholdings, and all liabilities with respect
thereto, other than net income and franchise taxes imposed on the Lender by the
United States or any political subdivision or taxing authority thereof (all such
nonexcluded taxes, levies, imposts, deductions, charges, withholdings and
liabilities being hereinafter referred to as "Taxes"). If either Borrower shall
be required by law to deduct any Taxes from or in respect of any sum payable
hereunder or under the Note to the Lender, (i) the sum payable shall be
increased as may

                                       17
<PAGE>   23

be necessary so that after making all required deductions (including deductions
applicable to additional sums payable under this Section), the Lender receives
an amount equal to the sum it would have received had no such deductions been
made, (ii) such Borrower will make such deductions, (iii) such Borrower will pay
the full amount deducted to the relevant taxation authority or other authority
in accordance with applicable law and (iv) such Borrower will deliver to the
Lender evidence of such payment.

      (b) Each Borrower will indemnify the Lender for the full amount of Taxes
(including, without limitation, any Taxes imposed by any jurisdiction on amounts
payable under this Section) paid by the Lender and any liability (including
penalties, interest and expenses) arising therefrom or with respect thereto,
whether or not such Taxes were correctly or legally asserted. This
indemnification shall be made within 30 days from the date the Lender makes
written demand therefor.

      (c) If the Lender subsequently recovers, or receives a net tax benefit
with respect to, any amount of Taxes (i) previously paid by it and as to which
it has been indemnified by or on behalf of either Borrower or (ii) previously
deducted by either Borrower (including, without limitation, any Taxes deducted
from any additional sums payable under clause (i) of subsection (a) above), the
Lender shall reimburse such Borrower to the extent of the amount of any such
recovery or net tax benefit (but only to the extent of indemnity payments made,
or additional amounts paid, by or on behalf of such Borrower under this Section
with respect to the Taxes giving rise to such recovery or tax benefit);
provided, however, that such Borrower, upon the request of the Lender, agrees to
repay to the Lender the amount paid over to such Borrower (together with any
penalties, interest or other charges), in the event the Lender is required to
repay such amount to the relevant taxing authority or other Governmental
Authority. The determination by the Lender of the amount of any such recovery or
net tax benefit shall, in the absence of manifest error, be conclusive and
binding; provided, that such determination is made in good faith and is
commercially reasonable.

      2.17 Compensation. Each Borrower will compensate the Lender upon demand
for all losses, expenses and liabilities (including, without limitation, any
loss, reasonable expense or liability incurred by reason of the liquidation or
reemployment of deposits or other funds required by the Lender to fund or
maintain LIBOR Loans or Money Market Loans) that the Lender may incur or sustain
(i) if either Borrower does not consummate (other than due to a default by the
Lender) a Borrowing or continuation of, or conversion into, a LIBOR Loan or
Money Market Loan does not occur on a date specified therefor in a Notice of
Borrowing or Notice of Conversion/Continuation, (ii) if any repayment,
prepayment or conversion of any LIBOR Loan or Money Market Loan occurs on a date
other than the last day of an Interest Period applicable thereto (including as a
consequence of acceleration of the maturity of the Loans pursuant to Section
8.2), (iii) if any prepayment of any LIBOR Loan or Money Market Loan is not made
on any date specified in a notice of prepayment given by the applicable Borrower
or (iv) as a consequence of any other failure by the applicable Borrower to make
any payments with respect to any LIBOR Loan or Money Market Loan when due
hereunder. Calculation of all amounts payable to the Lender under this Section
shall be made, in the case of LIBOR Loans, as though the Lender had actually
funded its relevant LIBOR Loan through the purchase of a Eurodollar deposit
bearing interest at the LIBOR Rate in an amount equal to the amount of such
LIBOR Loan, having a maturity comparable to the relevant Interest Period;
provided, however, that the Lender may fund its LIBOR Loans in any manner it
sees fit and the foregoing assumption shall be utilized only for the calculation
of amounts payable under this Section. Determinations by the Lender for purposes
of this Section of any such losses, expenses or liabilities shall, absent
manifest error, be conclusive, provided that such determinations are made in
good faith.

      2.18 Extension of Maturity Date. The Borrower may, by written notice
accompanied with the financial statements required by Section 5.1(b) to the
Lender, such notice given not less than 60 days nor more than 90 days (or such
other time permitted by the Lender in its sole discretion) prior to June 30,
2000, advise the Lender that it requests an extension of the initial Maturity
Date by not more than 364 days, effective as of June 30, 2000. The Lender in its
sole and absolute discretion may grant such extension and shall notify the
Borrower of its decision within 60 days after the Borrower's request.

                                       18
<PAGE>   24

                                  ARTICLE III

                             CONDITIONS OF BORROWING

      3.1 Conditions of Initial Borrowing. The obligation of the Lender to make
a Loan as of the Closing Date is subject to the satisfaction of the following
conditions precedent:

      (a) The Lender shall have received the following, each dated as of the
Closing Date (unless otherwise specified):

            (i) A Note in the amount of the Commitment, duly completed in
      accordance with the relevant provisions of Section 2.4 and executed by
      each Borrower; and

            (ii) the favorable opinion of Pepper Hamilton LLP, counsel to the
      Parent, in substantially the form of Exhibit D, addressed to the Lender
      and addressing such other matters as the Lender may reasonably request.

      (b) The Lender shall have received a separate certificate with respect to
each Borrower, signed by the president, the chief executive officer or the chief
financial officer of such Borrower, in form and substance satisfactory to the
Lender, certifying that (i) all representations and warranties of such Borrower,
contained in this Agreement and the other Credit Documents are true and correct
as of the Closing Date, both immediately before and after giving effect to the
consummation of the transactions contemplated hereby, the making of the initial
Loan hereunder and the application of the proceeds thereof (except to the extent
any such representation or warranty is expressly stated to have been made as of
a specific date, in which case such representation or warranty shall be true and
correct in all material respects as of such date); (ii) no Default or Event of
Default has occurred and is continuing, both immediately before and after giving
effect to the consummation of the transactions contemplated hereby, the making
of the initial Loan hereunder and the application of the proceeds thereof, (iii)
both immediately before and after giving effect to the consummation of the
transactions contemplated hereby, the making of the initial Loan hereunder and
the application of the proceeds thereof, no Material Adverse Change has occurred
with respect to such Borrower, since December 31, 1998, and there exists no
event, condition or state of facts that is reasonably likely to result in a
Material Adverse Change with respect to such Borrower, and (iv) all conditions
to the initial extensions of credit hereunder set forth in this Section and in
Section 3.2 have been satisfied or waived as required hereunder.

      (c) The Lender shall have received a certificate of the secretary or an
assistant secretary of each Borrower, in form and substance satisfactory to the
Lender, certifying (i) that attached thereto is a true and complete copy of the
articles or certificate of incorporation and all amendments thereto of such
Borrower, certified as of a recent date by the Secretary of State (or comparable
Governmental Authority) of its jurisdiction of organization, and that the same
has not been amended since the date of such certification, (ii) that attached
thereto is a true and complete copy of the bylaws of such Borrower, as then in
effect and as in effect at all times from the date on which the resolutions
referred to in clause (iii) below were adopted to and including the date of such
certificate, and (iii) that attached thereto is a true and complete copy of
resolutions adopted by the board of directors of such Borrower authorizing the
execution, delivery and performance of this Agreement and the other Credit
Documents to which it is a party, and as to the incumbency and genuineness of
the signature of each officer of such Borrower executing this Agreement or any
of such other Credit Documents, and attaching all such copies of the documents
described above.

      (d) The Lender shall have received a certificate as of a recent date of
the good standing of each of the Borrower and its Insurance Subsidiaries under
the laws of its jurisdiction of organization, from the Secretary of State (or
comparable Governmental Authority) of such jurisdiction.

      (e) The Lender shall have received a certificate of compliance as of a
recent date of each Insurance Subsidiary issued by the Insurance Regulatory
Authority of its jurisdiction of legal domicile and any other jurisdiction in
which such Insurance Subsidiary is reasonably likely to be commercially
domiciled as defined under the laws and regulations of such jurisdiction.

                                       19
<PAGE>   25

      (f) All legal matters, documentation, and corporate or other proceedings
incident to the transactions contemplated hereby shall be satisfactory in form
and substance to the Lender; all licenses approvals, permits and consents of any
Governmental Authorities or other Persons required in connection with the
execution and delivery of this Agreement and the other Credit Documents and the
consummation of the transactions contemplated hereby and thereby shall have been
obtained, without the imposition of conditions that are not reasonably
acceptable to the Lender, and all related filings, if any, shall have been made,
and all such approvals, permits, consents and filings shall be in full force and
effect and the Lender shall have received such copies thereof as it shall have
reasonably requested; all applicable waiting periods shall have expired without
any adverse action being taken by any Governmental Authority having
jurisdiction; and no action, proceeding, investigation, regulation or
legislation shall have been instituted, threatened or proposed before, and no
order, injunction or decree shall have been entered by, any court or other
Governmental Authority with respect to the Borrowers, in each case to enjoin,
restrain or prohibit, to obtain substantial damages in respect of, or that is
otherwise related to or arises out of, this Agreement, any of the other Credit
Documents or the consummation of the transactions contemplated hereby or
thereby, or that, in the opinion of the Lender, could reasonably be expected to
have a Material Adverse Effect.

      (g) The Lender shall have received certified reports from an independent
search service reasonably satisfactory to it listing any judgment or tax lien
filing or Uniform Commercial Code financing statement that names either Borrower
or any Insurance Subsidiary as debtor and the results thereof shall be
reasonably satisfactory to the Lender.

      (h) Since December 31, 1998, both immediately before and after giving
effect to the consummation of the transactions contemplated by this Agreement,
there shall not have occurred any Material Adverse Change with respect to either
Borrower or any event, condition or state of facts that is reasonably likely to
result in a Material Adverse Change with respect to either Borrower.

      (i) The Borrowers shall have paid (i) to the Lender, the unpaid balance of
the fees described in the Fee Letter and the fees described in Section 2.9 and
(ii) all other fees and expenses of the Lender required hereunder or under any
other Credit Document to be paid on or prior to the Closing Date (including fees
and expenses of counsel) in connection with this Agreement and the transactions
contemplated hereby.

      (j) The Lender shall have received the financial statements as described
in Sections 4.11(a) and 4.11(d), all of which shall be in form and substance
reasonably satisfactory to the Lender.

      (k) The Lender shall have received a Covenant Compliance Worksheet, duly
completed and certified by the chief financial officer of the Parent and in form
and substance reasonably satisfactory to the Lender, demonstrating compliance
with the financial covenants set forth in Sections 6.1 through 6.2.

      (l) The Lender shall be reasonably satisfied with the actuarial review and
valuation statement of, and opinion as to the adequacy of, the loss and loss
adjustment expense reserve positions as of December 31, 1998 of each Insurance
Subsidiary, with respect to its insurance business then in force, prepared and
given by an independent actuarial firm reasonably acceptable to the Lender; and
such review, valuation and opinion shall not differ in any material and negative
respect from any such materials previously delivered to the Lender.

      (m) The Lender shall have received satisfactory confirmation from A.M.
Best & Company that the current rating of each Insurance Subsidiary is "A-" or
better.

      (n) The Combined Statutory Capital and Surplus, calculated on a pro forma
basis after giving effect to the consummation of the transactions contemplated
hereby, shall not be less than $523,536,308 as of June 30,1999.

      (o) The Lender shall have received an Account Designation Letter, together
with written instructions from an Authorized Officer, including wire transfer
information, directing the payment of the proceeds of the initial Loan to be
made hereunder.

      (p) The Lender shall have concluded its examination of the business of the
Parent and its Subsidiaries, and the results thereof shall be reasonably
satisfactory to the Lender.

                                       20
<PAGE>   26

      (q) The Lender shall have received such other documents, certificates,
opinions and instruments in connection with the transactions contemplated hereby
as it shall have reasonably requested.

      3.2 Conditions of All Borrowings. The obligation of the Lender to make any
Loans hereunder, including the initial Borrowing, is subject to the satisfaction
of the following conditions precedent on the relevant Borrowing Date or date of
issuance:

      (a) The Lender shall have received a Notice of Borrowing in accordance
with Section 2.2(c);

      (b) Each of the representations and warranties contained in Article IV and
in the other Credit Documents shall be true and correct on and as of such
Borrowing Date (including the Closing Date, if the initial Borrowing is made on
the Closing Date) with the same effect as if made on and as of such date, both
immediately before and after giving effect to the Loans to be made on such
Borrowing Date (except to the extent any such representation or warranty is
expressly stated to have been made as of a specific date, in which case such
representation or warranty shall be true and correct in all material respects as
of such date); and

      (c) No Default or Event of Default shall have occurred and be continuing
on such Borrowing Date, both immediately before and after giving effect to the
Loans to be made on such Borrowing Date.

      Each giving of a Notice of Borrowing and the consummation of each
Borrowing shall be deemed to constitute a representation by the applicable
Borrower that the statements contained in subsections (b) and (c) above are
true, both as of the date of such notice or request and as of the relevant
Borrowing Date.

                                   ARTICLE IV

                         REPRESENTATIONS AND WARRANTIES

      To induce the Lender to enter into this Agreement and to induce the Lender
to extend the credit contemplated hereby, each Borrower represents and warrants
to the Lender as follows:

      4.1 Corporate Organization and Power. Each of the Borrowers and the
Parent's Significant Subsidiaries (i) is a corporation or other entity duly
organized, validly existing and in good standing under the laws of the
jurisdiction of its organization, (ii) has the requisite power and authority to
execute, deliver and perform the Credit Documents to which it is or will be a
party, to own and hold its property and to engage in its business as presently
conducted, and (iii) is duly qualified to transact business as a foreign entity
and is in good standing in each jurisdiction where the nature of its business or
the ownership of its properties requires it to be so qualified, except where the
failure to be so qualified would not, individually or in the aggregate, be
reasonably likely to have a Material Adverse Effect.

      4.2 Authorization; Enforceability. Each of the Borrowers has taken, or on
the Closing Date will have taken, all necessary corporate action to execute,
deliver and perform each of the Credit Documents to which it is or will be a
party, and has, or on the Closing Date (or any later date of execution and
delivery) will have, validly executed and delivered each of the Credit Documents
to which it is or will be a party. This Agreement constitutes, and each of the
other Credit Documents upon execution and delivery will constitute, the legal,
valid and binding obligation of each Borrower that is a party hereto or thereto,
enforceable against it in accordance with its terms, except as enforceability
may be limited by bankruptcy, insolvency, reorganization, moratorium or other
similar laws affecting creditors' rights generally, by general equitable
principles or by principles of good faith and fair dealing.

      4.3 No Violation. The execution, delivery and performance by each Borrower
of this Agreement and each of the other Credit Documents to which it is or will
be a party, and compliance by it with the terms hereof and thereof, do not and
will not (i) violate any provision of its articles or certificate of
incorporation or bylaws or contravene any other material Requirement of Law
applicable to it, (ii) conflict with, result in a breach of or constitute (with
notice, lapse of time or both) a default under any Material Contract to which it
is a party, by which it or any of its properties is bound or to which it is
subject, (iii) result in a revocation, suspension, termination,

                                       21
<PAGE>   27

impairment, probation, limitation, non-renewal, forfeiture, declaration of
ineligibility, loss of status of, or loss of any other rights with respect to,
any Licenses applicable to the business, operations or properties of each
Borrower and their respective Subsidiaries except where the revocation,
suspension, termination, impairment, probation, limitation, non-renewal,
forfeiture, declaration of ineligibility, loss of status of, or loss of any
other rights with respect to, any License would not, individually or in the
aggregate, be reasonably likely to have a Material Adverse Effect, or (iv)
result in or require the creation or imposition of any Lien upon any of its
properties or assets.

      4.4 Governmental and Third-Party Authorization; Permits.

      (a) No consent, approval, authorization or other action by, notice to, or
registration or filing with, any Governmental Authority or other Person is or
will be required as a condition to or otherwise in connection with the due
execution, delivery and performance by each Borrower of this Agreement or any of
the other Credit Documents to which it is or will be a party or the legality,
validity or enforceability hereof or thereof, other than (i) consents,
authorizations and filings that have been (or on or prior to the Closing Date
will have been) made or obtained and that are (or on the Closing Date will be)
in full force and effect, and (ii) consents and filings the failure to obtain or
make which would not, individually or in the aggregate, have a Material Adverse
Effect.

      (b) Each of the Borrowers and the Parent's Significant Subsidiaries has,
and is in good standing with respect to, all governmental approvals, Licenses,
permits and authorizations necessary to conduct its business as presently
conducted and to own or lease and operate its properties, except for those the
failure to obtain which would not be reasonably likely, individually or in the
aggregate, to have a Material Adverse Effect.

      4.5 Litigation. There are (i) no actions, investigations, suits or
proceedings pending or, to the knowledge of either Borrower, threatened, at law,
in equity or in arbitration, before any court, other Governmental Authority or
other Person, against either Borrower or any of the Parent's Significant
Subsidiaries, or any of their respective properties that would, if adversely
determined, be reasonably likely to have a Material Adverse Effect, or (ii) no
actions, investigations, suits or proceedings pending against any Borrower or
the Parent's Significant Subsidiaries or, to the knowledge of either Borrower,
threatened against any Borrower or the Parent's Significant Subsidiaries, at
law, in equity or in arbitration, before any court, other Governmental
Authority, the Insurance Regulatory Authority or other Person, with respect to
this Agreement or any of the other Credit Documents.

      4.6 Taxes. Each of the Borrowers and their respective Subsidiaries has
timely filed all federal, state and local tax returns and reports required to be
filed by it and has paid all taxes, assessments, fees and other charges levied
upon it or upon its properties that are shown thereon as due and payable, other
than those that are being contested in good faith and by proper proceedings and
for which adequate reserves have been established in accordance with GAAP. Such
returns accurately reflect in all material respects all liability for taxes of
each Borrower and their respective Subsidiaries for the periods covered thereby.
There is no ongoing audit or examination or, to the knowledge of either
Borrower, other investigation by any Governmental Authority of a material tax
liability of either Borrower or any of its Subsidiaries, and there is no
unresolved claim by any Governmental Authority concerning the tax liability of
either Borrower or any of their respective Subsidiaries for any period for which
tax returns have been or were required to have been filed, other than claims for
which adequate reserves have been established in accordance with GAAP. Neither
Borrower nor any of their Subsidiaries has waived or extended or has been
requested to waive or extend the statute of limitations relating to the payment
of any taxes.

      4.7 Subsidiaries. Schedule 4.7 sets forth a list, as of the Closing Date,
of all of the Subsidiaries of the Borrowers and, as to each such Subsidiary, the
percentage ownership (direct and indirect) of each Borrower and each direct
owner thereof. Except for the ownership interests expressly indicated on
Schedule 4.7, there are no ownership interests, warrants, rights, options or
other equity securities, or other Capital Stock of any Subsidiary of either
Borrower outstanding or reserved for any purpose. All outstanding ownership
interests of each Subsidiary of each Borrower are duly and validly issued, fully
paid and nonassessable.

      4.8 Full Disclosure. All factual information heretofore or
contemporaneously furnished to the Lender in writing by or on behalf of either
Borrower or any of their respective Subsidiaries for purposes of or in
connection with this Agreement and the transactions contemplated hereby is, and
all other such factual information hereafter furnished to the Lender in writing
by or on behalf of the either Borrower or any of their respective Subsidiaries
will

                                       22
<PAGE>   28

be, true and accurate in all material respects on the date as of which such
information is dated or certified (or, if such information has been amended or
supplemented, on the date as of which any such amendment or supplement is dated
or certified) and not made incomplete by omitting to state a material fact
necessary to make the statements contained therein, in light of the
circumstances under which such information was provided, not misleading.

      4.9 Margin Regulations. Neither Borrower nor any of their respective
Subsidiaries is engaged principally, or as one of its important activities, in
the business of extending credit for the purpose of purchasing or carrying
Margin Stock. No proceeds of the Loans will be used, directly or indirectly, to
purchase or carry any Margin Stock, to extend credit for such purpose or for any
other purpose in a manner that would violate or be inconsistent with Regulations
T, U or X or any provision of the Exchange Act.

      4.10 No Material Adverse Change. There has been no Material Adverse Change
since December 31, 1998, and there exists no event, condition or state of facts
that is reasonably likely to result in a Material Adverse Change.

      4.11 Financial Matters. (a) The Parent has heretofore furnished to the
Lender copies of (i) the audited consolidated balance sheets of the Parent and
its Subsidiaries as of December 31, 1998, 1997, and 1996, and the related
statements of income, cash flows and stockholders' equity for the fiscal years
then ended, together with the opinion of KPMG Peat Marwick thereon, and (ii) the
unaudited consolidated balance sheet of the Parent and its Subsidiaries as of
June 30, 1999, and the related statements of income, cash flows and
stockholders' equity for the six-month period then ended. Such financial
statements have been prepared in accordance with GAAP (subject, with respect to
the unaudited financial statements, to the absence of notes required by GAAP and
to normal year-end adjustments) and present fairly in all material respects the
financial condition of the Parent and its Subsidiaries on a consolidated basis
as of the respective dates thereof and the consolidated results of operations of
the Parent and its Subsidiaries for the respective periods then ended. Except as
fully reflected in (x) the most recent financial statements referred to above
and the notes thereto, (y) the financial statements previously delivered
pursuant to Section 5.1, or (z) any Form 8-K filed by the Parent with the
Securities and Exchange Commission and previously delivered by the Parent to the
Lender, there were, as of the date of the most recent financial statements
described in the immediately foregoing clause (x) or (y) or, if later, the date
of the most recently delivered Form 8-K, no material liabilities or obligations
with respect to the Parent or any of its Subsidiaries of any nature whatsoever
(whether absolute, contingent or otherwise and whether or not due) that,
individually or in the aggregate, is reasonably likely to have a Material
Adverse Effect, and since the date thereof neither the Parent nor any Subsidiary
has incurred any liabilities or obligations that, individually or in the
aggregate, is reasonably likely to have a Material Adverse Effect.

      (b) The unaudited pro forma balance sheet of the Parent as of June 30,
1999, a copy of which has heretofore been delivered to the Lender, gives pro
forma effect to the consummation of the initial extensions of credit made under
this Agreement, and the payment of transaction fees and expenses related to the
foregoing, all as if such events had occurred on such date (the "Pro Forma
Balance Sheet"). The Pro Forma Balance Sheet has been prepared in accordance
with GAAP (subject to the absence of footnotes required by GAAP and subject to
normal year-end adjustments) and, subject to stated assumptions made in good
faith and having a reasonable basis set forth therein, presents fairly the
financial condition of the Parent on an unaudited pro forma basis as of the date
set forth therein after giving effect to the consummation of the transactions
described above.

      (c) Each of the Borrowers and their respective Subsidiaries, after giving
effect to the consummation of the transactions contemplated hereby, (i) has
capital sufficient to carry on its businesses as conducted and as proposed to be
conducted, (ii) has assets with a fair saleable value, determined on a going
concern basis, (y) not less than the amount required to pay the probable
liability on its existing debts as they become absolute and matured and (z)
greater than the total amount of its liabilities (including identified
contingent liabilities, valued at the amount that can reasonably be expected to
become absolute and matured), and (iii) does not intend to, and does not believe
that it will, incur debts or liabilities beyond its ability to pay such debts
and liabilities as they mature.

      (d) The Parent has heretofore furnished to the Lender copies of (i) the
Annual Statements of each of its Insurance Subsidiaries as of December 31, 1998,
1997 and 1996, and for the fiscal years then ended, and (ii) the Quarterly
Statements of each of its Insurance Subsidiaries as of the end of the first two
fiscal quarters of 1999, and for the end of the fiscal quarters then ended, each
as filed with the relevant Insurance Regulatory Authority. The Historical
Statutory Statements (including, without limitation, the provisions made therein
for investments and the

                                       23
<PAGE>   29

valuation thereof, reserves, policy and contract claims and statutory
liabilities) have been prepared in accordance with SAP where required (except as
may be reflected in the notes thereto and subject, with respect to the Quarterly
Statements, to the absence of notes required by SAP and to normal year-end
adjustments), were in compliance with applicable Requirements of Law when filed
and present fairly in all material respects the financial condition of the
respective Insurance Subsidiaries covered thereby as of the respective dates
thereof and the results of operations, changes in capital and surplus and cash
flow of the respective Insurance Subsidiaries covered thereby for the respective
periods then ended. Except for liabilities and obligations disclosed or provided
for in the Historical Statutory Statements (including, without limitation,
reserves, policy and contract claims and statutory liabilities), no Insurance
Subsidiary had, as of the date of its respective Historical Statutory
Statements, any material liabilities or obligations of any nature whatsoever
(whether absolute, contingent or otherwise and whether or not due) that, in
accordance with SAP, would have been required to have been disclosed or provided
for in such Historical Statutory Statements. All books of account of each
Insurance Subsidiary fairly disclose all of its material transactions,
properties, assets, investments, liabilities and obligations, are in its
possession and are true, correct and complete in all material respects.

      4.12 Ownership of Properties. Each of the Borrower and their respective
Subsidiaries (i) has good and marketable title to all real property owned by it,
(ii) holds interests as lessee under valid leases in full force and effect with
respect to all material leased real and personal property used in connection
with its business, (iii) possesses or has rights to use licenses, patents,
copyrights, trademarks, service marks, trade names and other assets sufficient
to enable it to continue to conduct its business substantially as heretofore
conducted and without any material conflict with the rights of others, and (iv)
has good title to all of its other properties and assets, in each case under
(i), (ii), (iii) and (iv) above free and clear of all Liens other than Permitted
Liens.

      4.13 ERISA.

      (a) Each of the Parent and its ERISA Affiliates is in compliance in all
material respects with the applicable provisions of ERISA, and each Plan is and
has been administered in compliance in all material respects with all applicable
Requirements of Law, including, without limitation, the applicable provisions of
ERISA and the Internal Revenue Code. No ERISA Event giving rise to any material
liabilities (i) has occurred within the five-year period prior to the Closing
Date, (ii) has occurred and is continuing, or (iii) to the knowledge of the
Parent, is reasonably expected to occur with respect to any Plan. No Plan has
any material Unfunded Pension Liability as of the most recent annual valuation
date applicable thereto, and neither the Parent nor any ERISA Affiliate has
engaged in a transaction that is subject to Section 4069 or 4212(c) of ERISA.

      (b) Neither the Parent nor any ERISA Affiliate has had a complete or
partial withdrawal from any Multiemployer Plan with respect to which any
material liability remains unpaid, and neither the Parent nor any ERISA
Affiliate would become subject to any material liability under ERISA if the
Parent or any ERISA Affiliate were to withdraw completely from all Multiemployer
Plans as of the most recent valuation date. No Multiemployer Plan is in
"reorganization" or is "insolvent" within the meaning of such terms under ERISA.

      4.14 Environmental Matters. (a) No Hazardous Substances are or have been
generated, used, located, released, treated, disposed of or stored by either
Borrower or any of their respective Subsidiaries or, to the knowledge of the
Borrowers, by any other Person (including any predecessor in interest) or
otherwise, in, on or under any portion of any real property, leased or owned, of
the Borrower or any of its Subsidiaries, except in material compliance with all
applicable Environmental Laws, and no portion of any such real property or, to
the knowledge of the Borrower, any other real property at any time leased, owned
or operated by the Borrower or any of its Subsidiaries has been contaminated by
any Hazardous Substance; and no portion of any real property, leased or owned,
of either Borrower or any of their respective Subsidiaries has been or is
presently the subject of an environmental audit, assessment or remedial action.

      (a) No portion of any real property, leased or owned, of either Borrower
or any of their respective Subsidiaries has been used by either Borrower or any
of their respective Subsidiaries or, to the knowledge of either Borrower, by any
other Person, as or for a mine, a landfill, a dump or other disposal facility, a
gasoline service station, or (other than for petroleum substances stored in the
ordinary course of business) a petroleum products storage facility; no portion
of such real property or any other real property at any time leased, owned or
operated by either Borrower or any of their respective Subsidiaries has,
pursuant to any Environmental Law, been placed on the

                                       24
<PAGE>   30

"National Priorities List" or "CERCLIS List" (or any similar federal, state or
local list) of sites subject to possible environmental problems; and, except as
set forth on Schedule 4.14, there are not and, to the knowledge of either
Borrower have never been, any underground storage tanks situated on any real
property, leased or owned, of either Borrower or any of their respective
Subsidiaries.

      (b) All activities and operations of the Borrowers and their Subsidiaries
are in compliance with the requirements of all applicable Environmental Laws,
except to the extent the failure so to comply, individually or in the aggregate,
would not be reasonably likely to have a Material Adverse Effect. Each of the
Borrowers and their respective Subsidiaries has obtained all licenses and
permits under Environmental Laws necessary to its respective operations; all
such licenses and permits are being maintained in good standing; and each of the
Borrowers and their respective Subsidiaries is in compliance with all terms and
conditions of such licenses and permits, except for such licenses and permits
the failure to obtain, maintain or comply with which would not be reasonably
likely, individually or in the aggregate, to have a Material Adverse Effect.
Neither the Borrower nor any of its Subsidiaries is involved in any suit, action
or proceeding, or has received any notice, complaint or other request for
information from any Governmental Authority or other Person, with respect to any
actual or alleged Environmental Claims that, if adversely determined, would be
reasonably likely, individually or in the aggregate, to have a Material Adverse
Effect; and, to the knowledge of either Borrower, there are no threatened
actions, suits, proceedings or investigations with respect to any such
Environmental Claims, nor any basis therefor.

      4.15 Compliance With Laws. Each of the Borrowers and their respective
Subsidiaries has timely filed all material reports, documents and other
materials required to be filed by it under all applicable Requirements of Law
with any Governmental Authority and Insurance Regulatory Authority, as the case
may be, has retained all material records and documents required to be retained
by it under all applicable Requirements of Law, and is otherwise in compliance
with all applicable Requirements of Law in respect of the conduct of its
business and the ownership and operation of its properties, except for such
Requirements of Law the failure to comply with which, individually or in the
aggregate, is not reasonably likely to have a Material Adverse Effect.

      4.16 Regulated Industries. Neither Borrower nor any of their Subsidiaries
is (i) an "investment company," a company "controlled" by an "investment
company," or an "investment advisor," within the meaning of the Investment
Company Act of 1940, as amended, or (ii) a "holding company," a "subsidiary
company" of a "holding company," or an "affiliate" of a "holding company" or of
a "subsidiary company" of a "holding company," within the meaning of the Public
Utility Holding Company Act of 1935, as amended.

      4.17 Insurance. The assets, properties and business of the Borrowers and
their respective Subsidiaries are insured against such hazards and liabilities,
under such coverages and in such amounts, as are customarily maintained by
prudent companies similarly situated and under policies issued by insurers of
recognized responsibility.

      4.18 Material Contracts. Schedule 4.18 lists, as of the Closing Date, each
"material contract" (within the meaning of Item 601(b)(10) of Regulation S-K
under the Exchange Act) to which either Borrower or any of their respective
Subsidiaries is a party, by which any of them or their respective properties is
bound or to which any of them is subject (collectively, "Material Contracts"),
and also indicates the parties, subject matter and term thereof. As of the
Closing Date, (i) assuming the due authorization, execution and delivery by the
other parties thereto, each Material Contract is in full force and effect and is
enforceable by the applicable Borrower or the applicable Subsidiary in
accordance with its terms against the other parties thereto except as
enforceability may be limited by bankruptcy, insolvency, reorganization,
moratorium or other similar laws affecting creditors' rights generally, by
general equitable principles or by principles of good faith and fair dealing,
and (ii) neither Borrower nor any of their respective Subsidiaries (nor, to the
knowledge of either Borrower, any other party thereto) is in material breach of
or default under any Material Contract in any material respect or has given
notice of termination or cancellation of any Material Contract.

      4.19 Year 2000 Compatibility. Any reprogramming required to permit the
proper functioning, before, on and after January 1, 2000, of (i) the
computer-based systems of each of the Borrowers and their respective
Subsidiaries and (ii) equipment containing embedded microchips (including, to
our knowledge, systems and equipment supplied by others or with which the
systems of each of the Borrowers and their respective Subsidiaries interface),
and the testing of all such systems and equipment, as so reprogrammed, will be
completed by December

                                       25
<PAGE>   31

31, 1999, except where such failure to properly function will not result in a
Default or Material Adverse Effect. The cost to each of the Borrowers and their
respective Subsidiaries of such reprogramming and testing and of the reasonably
foreseeable consequences of the year 2000 to each of the Borrowers and their
respective Subsidiaries (including, without limitation, reprogramming errors and
the failure of others' systems or equipment) will not result in a Default or
Material Adverse Effect. Except for such of the reprogramming referred to in the
preceding sentence as may be necessary, the computer and management information
systems of each of the Borrowers and their respective Subsidiaries are and, with
ordinary course upgrading and maintenance will continue for the term of this
Agreement to be, sufficient to permit each of the Borrowers and their respective
Subsidiaries to conduct their respective businesses without a Material Adverse
Effect.

      4.20 Reinsurance Agreements. Each Reinsurance Agreement is in full force
and effect; none of the Insurance Subsidiaries and no other party thereto, is in
breach of or default under any such contract, other than breaches and defaults
that are being contested in good faith and by proper proceedings; and each
Borrower has no reason to believe that the financial condition of any other
party to any such contract is impaired such that a default thereunder by such
party could reasonably be anticipated. Each Reinsurance Agreement is qualified
under all applicable Requirements of Law to receive the statutory credit
assigned to such Reinsurance Agreement in the relevant Annual Statement or
Quarterly Statement at the time prepared, except where the failure to receive
such statutory credit is not reasonably likely to have a Material Adverse
Effect. There are no assumption reinsurance contracts or arrangements entered
into by any Insurance Subsidiary or either Borrower in which an Insurance
Subsidiary or either Borrower has ceded risk to any other Person which are
material, individually or in the aggregate, to either Borrower or its
Subsidiaries, taken as a whole.

                                   ARTICLE V

                              AFFIRMATIVE COVENANTS

      Each Borrower covenants and agrees that, until the termination of the
Commitment and the payment in full of all principal and interest with respect to
the Loans together with all other amounts then due and owing hereunder:

      5.1 Financial Statements. The Parent will deliver to the Lender:

      (a) As soon as available and in any event within the earlier of ten (10)
days after filing with the Securities Exchange Commission and fifty-five (55)
days after the end of each of the first three fiscal quarters of each fiscal
year, beginning with the first fiscal quarter ending after the date hereof,
unaudited consolidated balance sheets of the Parent and its Subsidiaries as of
the end of such fiscal quarter and unaudited consolidated statements of income,
cash flows and stockholders' equity for the Parent and its Subsidiaries for the
fiscal quarter then ended and for that portion of the fiscal year then ended, in
each case setting forth comparative consolidated figures as of the end of and
for the corresponding period in the preceding fiscal year, all in reasonable
detail and prepared in accordance with GAAP (subject to the absence of notes
required by GAAP and subject to normal year-end adjustments) applied on a basis
consistent with that of the preceding quarter or containing disclosure of the
effect on the financial condition or results of operations of any change in the
application of accounting principles and practices during such quarter; and

      (b) As soon as available and in any event within the earlier of ten (10)
days after filing with the Securities Exchange Commission and one hundred (100)
days after the end of each fiscal year, beginning with the fiscal year ending
December 31, 1999, an audited consolidated balance sheet of the Parent and its
Subsidiaries as of the end of such fiscal year and audited consolidated
statements of income, cash flows and stockholders' equity for the Parent and its
Subsidiaries for the fiscal year then ended, including the notes thereto, in
each case setting forth comparative figures as of the end of and for the
preceding fiscal year, all in reasonable detail and certified by the independent
certified public accounting firm regularly retained by the Parent or another
independent certified public accounting firm of recognized national standing
reasonably acceptable to the Lender, together with (y) a report thereon by such
accountants that is not qualified as to going concern or scope of audit and to
the effect that such financial statements present fairly the consolidated
financial condition and results of operations of the Parent and its Subsidiaries
as of the dates and for the periods indicated in accordance with GAAP applied on
a basis consistent with that of the preceding year or containing disclosure of
the effect on the financial condition or results of

                                       26
<PAGE>   32

operations of any change in the application of accounting principles and
practices during such year, and (z) a report by such accountants to the effect
that, based on and in connection with their examination of the financial
statements of the Parent and its Subsidiaries, they obtained no knowledge of the
occurrence or existence of any Default or Event of Default relating to
accounting or financial reporting matters, or a statement specifying the nature
and period of existence of any such Default or Event of Default disclosed by
their audit; provided, however, that such accountants shall not be liable by
reason of the failure to obtain knowledge of any Default or Event of Default
that would not be disclosed or revealed in the course of their audit
examination.

      5.2 Statutory Financial Statements. The Parent will deliver to the Lender:

      (a) As soon as available and in any event within forty-five (45) days
after the end of each of the first three fiscal quarters of each fiscal year,
beginning with the first fiscal quarter ending after the date hereof, a
Quarterly Statement of each Insurance Subsidiary as of the end of such fiscal
quarter and for that portion of the fiscal year then ended, in the form filed
with the relevant Insurance Regulatory Authority, prepared in accordance with
SAP; and

      (b) As soon as available and in any event within ninety (90) days after
the end of each fiscal year, beginning with the fiscal year ended December 31,
1999, (i) an Annual Statement of each Insurance Subsidiary as of the end of such
fiscal year and for the fiscal year then ended, in the form filed with the
relevant Insurance Regulatory Authority, prepared in accordance with SAP; and

      (c) As soon as available and in any event within one hundred thirty-five
(135) days after the end of each fiscal year, beginning with the fiscal year
ended December 31, 1999, the combined Annual Statement of the Insurance
Subsidiaries as of the end of such fiscal year and for the fiscal year then
ended, in the form filed with the relevant Insurance Regulatory Authority,
prepared in accordance with SAP.

      5.3 Other Business and Financial Information. The Parent will deliver, or
cause to be delivered, to the Lender:

      (a) Concurrently with each delivery of the financial statements described
in Sections 5.1 and 5.2, a Compliance Certificate in substantially the form of
Exhibit C with respect to the period covered by the financial statements then
being delivered, executed by a Financial Officer of the Parent, together with a
Covenant Compliance Worksheet reflecting the computation of the financial
covenants set forth in Sections 6.1 and 6.2 as of the last day of the period
covered by such financial statements;

      (b) Promptly upon filing with the relevant Insurance Regulatory Authority
and in any event within ninety (90) days after the end of each fiscal year,
beginning with the fiscal year ended December 31, 1999, a copy of each Insurance
Subsidiary's "Statement of Actuarial Opinion" (or equivalent information should
the relevant Insurance Regulatory Authority not require such a statement) as to
the adequacy of such Insurance Subsidiary's loss reserves for such fiscal year,
together with a copy of its management discussion and analysis in connection
therewith, each in the format prescribed by the applicable insurance laws of
such Insurance Subsidiary's jurisdiction of domicile;

      (c) Promptly upon receipt thereof, copies of any "management letter"
submitted to either Borrower or any of their respective Subsidiaries by its
certified public accountants in connection with each annual, interim or special
audit, and promptly upon completion thereof, any response reports from either
Borrower or such Subsidiary, as the case may be, in respect thereof;

      (d) Promptly upon the sending, filing or receipt thereof, copies of (i)
all financial statements, reports, notices and proxy statements that either
Borrower or any of its Subsidiaries shall send or make available generally to
its shareholders, (ii) all regular, periodic and special reports, registration
statements and prospectuses (other than on Form S-8) that either Borrower or any
of its Subsidiaries shall render to or file with the Securities and Exchange
Commission, the National Association of Securities Dealers, Inc. or any national
securities exchange, and (iii) all press releases and other statements made
available generally by either Borrower or any of its Subsidiaries to the public
concerning material developments in the business of either Borrower or any of
their respective Subsidiaries;

                                       27
<PAGE>   33

(iv) all significant filings made under applicable state insurance holding
company acts by the Borrowers or any of their respective Subsidiaries,
including, without limitation, filings seeking approval of material transactions
with Affiliates; and (vi) all material information sent to rating agencies,
including without limitation Moody's, Standard & Poor's, A.M. Best & Company and
Duff & Phelps Rating Co.

      (e) Promptly upon (and in any event within five (5) Business Days after)
any Responsible Officer of either Borrower obtaining knowledge thereof, written
notice of any of the following:

            (i) the occurrence of any Default or Event of Default, together with
      a written statement of a Responsible Officer of either Borrower specifying
      the nature of such Default or Event of Default, the period of existence
      thereof and the action that the applicable Borrower has taken and proposes
      to take with respect thereto;

            (ii) the institution or threatened institution of any action, suit,
      investigation or proceeding against or affecting either Borrower or any of
      their respective Subsidiaries, including any such investigation or
      proceeding by any Governmental Authority (other than routine periodic
      inquiries, investigations or reviews), that would, if adversely
      determined, be reasonably likely, individually or in the aggregate, to
      have a Material Adverse Effect, and any material development in any
      litigation or other proceeding previously reported pursuant to Section 4.5
      or this subsection;

            (iii) the receipt by either Borrower or any of their respective
      Subsidiaries from any Governmental Authority or Insurance Regulatory
      Authority of (y) any written notice asserting any failure by either
      Borrower or their respective Subsidiaries to be in compliance with
      applicable Requirements of Law which is reasonably likely to have,
      individually or in the aggregate, a Material Adverse Effect or that
      threatens the taking of any action against either Borrower or their
      respective Subsidiaries or sets forth circumstances that, if taken or
      adversely determined, would be reasonably likely to have a Material
      Adverse Effect, or (z) any notice of any actual or threatened suspension,
      limitation or revocation of, failure to renew, or imposition of any
      restraining order, escrow or impoundment of funds in connection with, any
      license, permit, accreditation or authorization of the Borrower or any of
      its Subsidiaries, where such action would be reasonably likely to have a
      Material Adverse Effect;

            (iv) the occurrence of any ERISA Event, together with (x) a written
      statement of a Responsible Officer of the Parent, specifying the details
      of such ERISA Event and the action that the Parent has taken and proposes
      to take with respect thereto, (y) a copy of any notice with respect to
      such ERISA Event that may be required to be filed with the PBGC and (z) a
      copy of any notice delivered by the PBGC to the Parent or its ERISA
      Affiliate, as the case may be, with respect to such ERISA Event;

            (v) the occurrence of any material default under, or any proposed or
      threatened termination or cancellation of, any Material Contract or other
      material contract or agreement to which either Borrower or any of their
      respective Subsidiaries is a party, where such default or the termination
      or cancellation thereof is reasonably likely to have a Material Adverse
      Effect;

            (vi) the occurrence of any of the following: (x) the assertion of
      any Environmental Claim against or affecting either Borrower or any of
      their respective Subsidiaries or any of their respective real property,
      leased or owned; (y) the receipt by either Borrower or any of their
      respective Subsidiaries of notice of any alleged violation of or
      noncompliance with any Environmental Laws; or (z) the taking of any
      remedial action by either Borrower, any of their respective Subsidiaries
      or any other Person in response to the actual or alleged generation,
      storage, release, disposal or discharge of any Hazardous Substances on,
      to, upon or from any real property leased or owned by either Borrower or
      any of their respective Subsidiaries; but in each case under clauses (x),
      (y) and (z) above, only to the extent the same would be reasonably likely
      to have a Material Adverse Effect;

            (vii) the occurrence of any actual changes in any insurance statute
      or regulation governing the investment or dividend practices of any
      Insurance Subsidiary that would be reasonably likely to have a Material
      Adverse Effect; and

                                       28
<PAGE>   34

            (viii) any other matter or event that has, or would be reasonably
      likely to have, a Material Adverse Effect, together with a written
      statement of a Responsible Officer of the applicable Borrower, as the case
      may be, setting forth the nature and period of existence thereof and the
      action that the applicable Borrower, as the case may be, has taken and
      proposes to take with respect thereto;

      (f) Promptly, notice of (i) the occurrence of any material amendment or
modification (other than expiration) to any Reinsurance Agreement (whether
entered into before or after the Closing Date), including any such agreements
that are in a runoff mode on the Closing Date, which amendment or modification
would be reasonably likely to have a Material Adverse Effect, or (ii) the
receipt by either Borrower or any of their respective Subsidiaries of any
written notice of any denial of coverage or claim, litigation or arbitration
with respect to any Reinsurance Agreement to which it is a ceding party which
would be reasonably likely to have a Material Adverse Effect;

      (g) As promptly as reasonably possible, such other information about the
business, condition (financial or otherwise), operations or properties of either
Borrower or any of their respective Subsidiaries (including any Plan and any
information required to be filed under ERISA) as the Lender may from time to
time reasonably request.

      5.4 Corporate Existence; Franchises; Maintenance of Properties. The
Borrowers will, and the Borrowers will cause each of their respective
Subsidiaries to, (i) maintain and preserve in full force and effect their
respective organizational or corporate existence, except as expressly permitted
otherwise by Section 7.1, (ii) obtain, maintain and preserve in full force and
effect all other rights, Licenses, franchises, permits, certifications,
approvals, authorizations required by Governmental Authorities or the Insurance
Regulatory Authority, as the case may be, and necessary to the ownership,
occupation or use of their respective properties or the conduct of their
respective business, except to the extent the failure to do so would not be
reasonably likely to have a Material Adverse Effect, and (iii) keep all material
properties in good working order and condition (normal wear and tear excepted)
and from time to time make all necessary repairs to and renewals and
replacements of such properties, except to the extent that any of such
properties are obsolete or are being replaced or where the failure to so comply
with this clause (iii) is not reasonably likely to have, individually or in the
aggregate, a Material Adverse Effect.

      5.5 Compliance with Laws. The Borrowers will, and will cause each of their
respective Subsidiaries to, comply in all respects with all Requirements of Law
applicable in respect of the conduct of their respective business and the
ownership and operation of their respective properties, except to the extent the
failure so to comply would not be reasonably likely to have a Material Adverse
Effect.

      5.6 Payment of Obligations. The Borrowers will, and will cause each of
their respective Subsidiaries to, (i) pay all liabilities and obligations as and
when due (subject to any applicable subordination provisions), except to the
extent failure to do so would not be reasonably likely to have a Material
Adverse Effect, and (ii) pay and discharge all taxes, assessments and
governmental charges or levies imposed upon them, upon their respective income
or profits or upon any of their respective properties, prior to the date on
which penalties would attach thereto, and all lawful claims that, if unpaid,
might become a Lien upon any of the properties of either Borrower; provided,
however, that neither Borrower nor any of their respective Subsidiaries shall be
required to pay any such tax, assessment, charge, levy or claim that is being
contested in good faith and by proper proceedings and as to which such Borrower
or such Subsidiary is maintaining adequate reserves with respect thereto in
accordance with GAAP or SAP, as the case may be.

      5.7 Insurance. The Borrowers will, and will cause each of their respective
Subsidiaries to, maintain with financially sound and reputable insurance
companies insurance with respect to its assets, properties and business, against
such hazards and liabilities, of such types and in such amounts, as is
customarily maintained by companies in the same or similar businesses similarly
situated.

      5.8 Maintenance of Books and Records; Inspection. The Borrowers will, and
will cause each of their respective Subsidiaries to, (i) maintain adequate
books, accounts and records, in which full, true and correct entries shall be
made of all financial transactions in relation to their respective business and
properties, and prepare all financial statements required under this Agreement,
in each case in accordance with GAAP or SAP, as the case may be, and in
compliance with the requirements of any Governmental Authority having
jurisdiction over them, and

                                       29
<PAGE>   35

(ii) permit employees or agents of the Lender to inspect their respective
properties and examine or audit their respective books, records, working papers
and accounts and make copies and memoranda of them, and to discuss their
respective affairs, finances and accounts with their respective officers and
employees and, upon notice to the applicable Borrower, as the case may be, the
independent public accountants of such Borrower, and its Subsidiaries (and by
this provision each Borrower authorizes such accountants to discuss the finances
and affairs of such Borrower and its Subsidiaries), all at such times and from
time to time, upon reasonable notice and during business hours, as may be
reasonably requested.

      5.9 Permitted Acquisitions. Subject to the requirements contained in the
definition of Permitted Acquisition, and subject to the other terms and
conditions of this Agreement, the Parent may from time to time on or after the
Closing Date effect Permitted Acquisitions, provided that, with respect to each
Permitted Acquisition no Default or Event of Default shall have occurred and be
continuing at the time of the consummation of such Permitted Acquisition or
would exist immediately after giving effect thereto.

      5.10 Year 2000 Compatibility. Each Borrower will, and will cause each of
its respective Subsidiaries to, use its best efforts to take all action
necessary to ensure that its computer-based systems are able to operate and
effectively process data including dates on and after January 1, 2000. At the
request of the Lender, each Borrower will provide reasonable assurance of its
Year 2000 compatibility.

      5.11 Further Assurances. The Borrowers will, and will cause each of their
respective Subsidiaries to, make, execute, endorse, acknowledge and deliver any
amendments, modifications or supplements hereto and restatements hereof and any
other agreements, instruments or documents and to effect, confirm or further
assure or protect and preserve the interests, rights and remedies of the Lender
under this Agreement and the other Credit Documents.

                                   ARTICLE VI

                               FINANCIAL COVENANTS

      Each Borrower covenants and agrees that, until the termination of the
Commitment and the payment in full of all principal and interest with respect to
the Loans together with all other amounts then due and owing hereunder:

      6.1 Minimum Combined Statutory Capital and Surplus. The Combined Statutory
Capital and Surplus of the Insurance Subsidiaries, as of the last day of any
fiscal quarter beginning with the fiscal quarter ending December 31, 1999, will
not be less than 70% of Combined Statutory Capital and Surplus as of June 30,
1999.

      6.2 Maximum Consolidated Debt to Total Capitalization. The ratio of
Consolidated Indebtedness to Consolidated Total Capital as of any date of
determination, will not be greater than 30%.

                                  ARTICLE VII

                               NEGATIVE COVENANTS

      Each Borrower covenants and agrees that, until the termination of the
Commitment and the payment in full of all principal and interest with respect to
the Loans together with all other amounts then due and owing hereunder:

      7.1 Merger; Consolidation. Each Borrower will not, and will not permit or
cause any of its Subsidiaries to, liquidate, wind up or dissolve, or enter into
any consolidation, merger or other combination, or agree to do any of the
foregoing; provided, however, that:

            (i) the Parent may merge or consolidate with another Person so long
      as (x) the Parent is the surviving entity, (y) unless such other Person is
      a Wholly Owned Subsidiary immediately prior to giving

                                       30
<PAGE>   36

      effect thereto and the applicable conditions and requirements of Section
      5.9 shall be satisfied, and (z) immediately after giving effect thereto,
      no Default or Event of Default would exist; and

            (ii) any Subsidiary may merge or consolidate with another Person so
      long as (x) the surviving entity is a Borrower or a Subsidiary, (y) unless
      such other Person is a Wholly Owned Subsidiary immediately prior to giving
      effect thereto and the applicable conditions and requirements of Section
      5.9 shall be satisfied, and (z) immediately after giving effect thereto,
      no Default or Event of Default would exist.

      7.2 Indebtedness. Each Borrower will not, and will not permit or cause any
of its Subsidiaries to, create, incur, assume or suffer to exist any
Indebtedness other than:

            (i) Indebtedness incurred by the Parent, provided that as of the
      last day of the fiscal quarter ending on or immediately prior the date of
      the incurrence of any such Indebtedness, (A) Parent is in compliance with
      the financial covenant contained in Section 6.2 and (B) no Default or
      Event of Default shall have occurred and be continuing or would result
      from the incurrence of such Indebtedness;

            (ii) Indebtedness incurred under this Agreement and the Note;

            (iii) Indebtedness incurred under the Summit Bank and State Street
      Bank and Trust Company credit facilities;

            (iv) accrued expenses (including salaries, accrued vacation and
      other compensation), current trade or other accounts payable and other
      current liabilities arising in the ordinary course of business and not
      incurred through the borrowing of money, provided that the same shall be
      paid when due except to the extent being contested in good faith and by
      appropriate proceedings;

            (v) loans and advances by either Borrower or any Subsidiary to any
      other Subsidiary or by any Subsidiary to either Borrower, provided that
      any such loan or advance is subordinated in right and time of payment to
      the Obligations;

            (vi) purchase money Indebtedness of either Borrower and their
      respective Subsidiaries incurred solely to finance the payment of all or
      part of the purchase price of any equipment, real property or other fixed
      assets acquired in the ordinary course of business, including Indebtedness
      in respect of capital lease obligations, and any renewals, refinancings or
      replacements thereof (subject to the limitations on the principal amount
      thereof set forth in this clause (iv)), which Indebtedness shall not
      exceed $5,000,000 in aggregate principal amount outstanding at any time;

            (vii) unsecured Indebtedness of the Parent issued pursuant to an
      effective registration statement under the Securities Act of 1933, as
      amended, or Rule 144A thereunder or in a private placement exempt from
      registration thereunder; provided that such Indebtedness (a) shall not
      require any scheduled payment of principal prior to the first anniversary
      of the Maturity Date, (b) shall not yield proceeds in excess of
      $125,000,000 and (c) no Default or Event of Default shall have occurred
      and be continuing or would result from the issuance of such Indebtedness;

            (viii) other unsecured Indebtedness not exceeding $25,000,000 in
      aggregate principal amount outstanding at any time;

            (ix) Indebtedness in connection with Permitted Liens; and

            (x) Indebtedness existing on the Closing Date and described in
      Schedule 7.2.

      7.3 Liens. The Borrowers will not, and will not permit or cause any of its
Subsidiaries to, directly or indirectly, make, create, incur, assume or suffer
to exist, any Lien upon or with respect to any part of its property or assets,
whether now owned or hereafter acquired, or file or permit the filing of, or
permit to remain in effect, any

                                       31
<PAGE>   37

financing statement or other similar notice of any Lien with respect to any such
property, asset, income or profits under the Uniform Commercial Code of any
state or under any similar recording or notice statute, or agree to do any of
the foregoing, other than the following (collectively, "Permitted Liens"):

            (i) Liens in existence on the Closing Date and set forth on Schedule
      7.3;

            (ii) Liens imposed by law, such as Liens of carriers, warehousemen,
      mechanics, materialmen and landlords, and other similar Liens incurred in
      the ordinary course of business for sums not constituting borrowed money
      that are not overdue for a period of more than thirty (30) days or that
      are being contested in good faith by appropriate proceedings and for which
      adequate reserves have been established in accordance with GAAP (if so
      required);

            (iii) Liens (other than any Lien imposed by ERISA, the creation or
      incurrence of which would result in an Event of Default under Section
      8.1(i)) incurred in the ordinary course of business in connection with
      worker's compensation, unemployment insurance or other forms of
      governmental insurance or benefits, or to secure the performance of
      letters of credit, bids, tenders, statutory obligations, surety and appeal
      bonds, leases, government contracts and other similar obligations (other
      than obligations for borrowed money) entered into in the ordinary course
      of business;

            (iv) Liens for taxes, assessments or other governmental charges or
      statutory obligations that are not delinquent or remain payable without
      any penalty or that are being contested in good faith by appropriate
      proceedings and for which adequate reserves have been established in
      accordance with GAAP (if so required);

            (v) Liens securing the purchase money Indebtedness permitted under
      clause (iv) of Section 7.2, provided that any such Lien (a) shall not
      exceed the greater of (y) the fair market value of such property or (z)
      the cost thereof to the applicable Borrower or such Subsidiary and (b)
      shall not encumber any other property of such Borrower or any of its
      Subsidiaries;

            (vi) any attachment or judgment Lien not constituting an Event of
      Default under Section 8.1(h) that is being contested in good faith by
      appropriate proceedings and for which adequate reserves have been
      established in accordance with GAAP (if so required);

            (vii) Liens arising from the filing, for notice purposes only, of
      financing statements in respect of true leases;

            (viii) Liens on Borrower Margin Stock, to the extent the fair market
      value thereof exceeds 25% of the fair market value of the assets of the
      applicable Borrower and its Subsidiaries (including Borrower Margin
      Stock); and

            (ix) with respect to any real property occupied by either Borrower
      or any of its Subsidiaries, all easements, rights of way, licenses and
      similar encumbrances on title that do not materially impair the use of
      such property for its intended purposes.

      7.4 Disposition of Assets. The Borrowers will not, and will not permit or
cause any of their respective Subsidiaries to, sell, assign, lease, convey,
transfer or otherwise dispose of (whether in one or a series of transactions)
all or any portion of its assets, business or properties (including, without
limitation, any Capital Stock of any Subsidiary) or enter into any arrangement
with any Person providing for the lease by such Borrower or any Subsidiary as
lessee of any asset that has been sold or transferred by such Borrower or such
Subsidiary to such Person, or agree to do any of the foregoing, except for:

            (i) sales of inventory and licenses or leases of intellectual
      property and other assets, in each case in the ordinary course of
      business;

                                       32
<PAGE>   38

            (ii) the sale or exchange of used or obsolete equipment to the
      extent (y) the proceeds of such sale are applied towards, or such
      equipment is exchanged for, replacement equipment or (z) such equipment is
      no longer necessary for the operations of such Borrower or its applicable
      Subsidiary in the ordinary course of business;

            (iii) the sale by Parent and its Subsidiaries of (x) the capital
      stock or all or any portion of the assets, business or properties of a
      Subsidiary that is not a Significant Subsidiary; (y) any asset or group of
      assets of an Insurance Subsidiary constituting less than (A) in any single
      transaction or series of related transactions, ten percent (10%) of
      Combined Statutory Capital and Surplus as of the last day of the fiscal
      quarter ending on or immediately prior to the date of such sale, and (B)
      during the term of this Agreement, in the aggregate with all such other
      sales pursuant to this clause (iii), thirty percent (30%) of Combined
      Statutory Capital and Surplus as of the end of the immediately preceding
      fiscal quarter ending on or immediately prior to the date of such sale;
      and (z) any asset or group of assets of a non-Insurance Subsidiary
      constituting less than (A) in any single transaction or series of related
      transactions, ten percent (10%) of the total assets of the Parent and its
      Subsidiaries on a consolidated basis, determined in accordance with GAAP
      as of the last day of the fiscal quarter ending on or immediately prior to
      the date of such sale, and (B) during the term of this Agreement, in the
      aggregate with all such other sales pursuant to this clause (iii), thirty
      percent (30%) of the total assets of the Parent and its Subsidiaries on a
      consolidated basis, determined in accordance with GAAP as of the end of
      the immediately preceding fiscal quarter; provided in the case of any sale
      pursuant to this clause (iii) that immediately after giving effect
      thereto, no Default or Event of Default would exist; and

            (iv) the sale, lease or other disposition of assets by a Subsidiary
      of either Borrower to the other Borrower or to a Subsidiary of either
      Borrower if, immediately after giving effect thereto, no Default or Event
      of Default would exist.

      7.5 Investments and Acquisitions. The Parent will not permit or cause any
of its Subsidiaries to, directly or indirectly, purchase, own, invest in or
otherwise acquire any Capital Stock, evidence of indebtedness or other
obligation or security or any interest whatsoever in any other Person, or make
or permit to exist any loans, advances or extensions of credit to, or any
investment in cash or by delivery of property in, any other Person, or purchase
or otherwise acquire (whether in one or a series of related transactions) any
portion of the assets, business or properties of another Person (including
pursuant to an Acquisition), or create or acquire any Subsidiary, or become a
partner or joint venturer in any partnership or joint venture (collectively,
"Investments"), or make a commitment or otherwise agree to do any of the
foregoing, other than:

            (i) Investments by the Borrowers and their respective Subsidiaries
      to the extent permitted under applicable Requirements of Law and in
      compliance at all times with the: (A) the requirements of the Lloyd's
      insurance market, if applicable, (B) all applicable insurance laws and
      regulations of any other relevant jurisdictions relating to investments by
      an Insurance Subsidiary and (C) the limitations set forth in the
      Investment Policy;

            (ii) any Investment by either Borrower, provided (A) that during the
      term of this Agreement, any such Investment pursuant to this clause (ii)
      does not exceed in the aggregate with all other Investments pursuant to
      this clause (ii) twenty percent (20%) of Combined Statutory Capital and
      Surplus as of the end of the immediately preceding fiscal quarter ending
      on or immediately prior to the date of any such Investment, and (B) that
      immediately after giving effect thereto, no Default or Event of Default
      would exist;

            (iii) Borrowers' proposed joint venture with Delaware Valley
      Underwriters Association; provided, that Borrowers' Investment in such
      joint venture does not exceed $1,000,000 in any one year or $5,000,000 in
      the aggregate;

            (iv) Permitted Acquisitions; and

            (v) Investments existing on the Closing Date and described in
      Schedule 7.5.

                                       33
<PAGE>   39

      7.6 Restricted Payments. The Borrowers will not, and will not permit or
cause any of their respective Subsidiaries to, directly or indirectly, declare
or make any dividend payment, or make any other distribution of cash, property
or assets, in respect of any of its Capital Stock or any warrants, rights or
options to acquire its Capital Stock or set aside funds for any of the
foregoing, except that:

            (i) the Parent may declare and make dividend payments or other
      distributions payable solely in its common stock;

            (ii) the Parent may declare and pay cash dividends and distributions
      so long as immediately before the payment thereof, and after giving effect
      to the payment thereto, no Default or Event of Default has occurred and is
      continuing; and

            (iii) each Subsidiary of either Borrower may declare and make
      dividend payments or other distributions to either Borrower or another
      Subsidiary of either Borrower; provided that no dividend payment or other
      distribution may be made to any Subsidiary of either Borrower to the
      extent such Subsidiary has any restriction or encumbrance on its ability
      to make any dividend payment or other distribution to either Borrower.

      7.7 Transactions with Affiliates. The Borrowers will not, and will not
permit or cause any of their respective Subsidiaries to, enter into any
transaction (including, without limitation, any purchase, sale, lease or
exchange of property or the rendering of any service) with any officer,
director, stockholder or other Affiliate of such Borrower or any Subsidiary,
except in the ordinary course of its business and upon fair and reasonable terms
that are no less favorable to it than would obtain in a comparable arm's length
transaction with a Person other than an Affiliate of such Borrower or such
Subsidiary; provided, however, that nothing contained in this Section shall
prohibit transactions described on Schedule 7.7 or otherwise expressly permitted
under this Agreement.

      7.8 Lines of Business. The Borrowers will not, and will not permit or
cause any of their respective Subsidiaries to, engage in any business other than
the businesses engaged in by it on the date hereof and businesses and activities
reasonably related thereto.

      7.9 Certain Amendments. The Borrowers will not, and will not permit or
cause any of their respective Subsidiaries to amend, modify or change any
provision of its articles or certificate of organization or operating agreement,
or the terms of any class or series of its Capital Stock, other than in a manner
that is not reasonably likely to materially adversely affect the Lender.

      7.10 Limitation on Certain Restrictions. The Borrowers will not, and will
not permit or cause any of their respective Subsidiaries to, directly or
indirectly, create or otherwise cause or suffer to exist or become effective any
restriction or encumbrance on the ability of any Subsidiary of either Borrower
to make any dividend payments or other distributions in respect of its Capital
Stock, to repay Indebtedness owed to either Borrower or any other Subsidiary, to
make loans or advances to either Borrower or any other Subsidiary, or to
transfer any of its assets or properties to either Borrower or any other
Subsidiary, in each case other than such restrictions or encumbrances existing
under or by reason of the Credit Documents or applicable Requirements of Law.

      7.11 Fiscal Year The Borrowers will not, and will not permit or cause any
of their respective Subsidiaries to, change the ending date of its fiscal year
to a date other than December 31.

      7.12 Accounting Changes. The Borrowers will not, and will not permit or
cause any of their respective Subsidiaries to, make or permit any material
change in its accounting policies or reporting practices, except as may be
required or permitted by GAAP or SAP, as the case may be.

      7.13 Ratings. The Borrowers will not permit or cause the rating and
financial strength rating of any Insurance Subsidiary by A.M. Best & Company and
Standard & Poor's, respectively, to be lower than "A-" at any time.

                                       34
<PAGE>   40

                                  ARTICLE VIII

                                EVENTS OF DEFAULT

      8.1 Events of Default. The occurrence of any one or more of the following
events shall constitute an "Event of Default":

      (a) Either Borrower shall fail to pay any principal of any Loan when due,
or either Borrower shall fail to pay any interest, any fee or any other
Obligation on any Loan within five (5) Business Days after any such amount
becomes due in accordance with the terms hereof;

      (b) Either Borrower shall fail to observe, perform or comply with any
condition, covenant or agreement contained in any of Sections 2.14, 5.2 or
5.3(i) or in Article VI or Article VII;

      (c) Either Borrower or any of their respective Subsidiaries shall fail to
observe, perform or comply with any condition, covenant or agreement contained
in this Agreement or any of the other Credit Documents other than those
enumerated in subsections (a) and (b) above, and such failure (i) is deemed by
the terms of the relevant Credit Document to constitute an Event of Default or
(ii) shall continue unremedied for any grace period specifically applicable
thereto or, if no such grace period is applicable, for a period of thirty (30)
days after the earlier of (y) the date on which a Responsible Officer of either
Borrower acquires knowledge thereof and (z) the date on which written notice
thereof is delivered by the Lender to such Borrower;

      (d) Any representation or warranty made or deemed made by or on behalf of
either Borrower or any of their respective Subsidiaries in this Agreement, any
of the other Credit Documents or in any certificate, instrument, report or other
document furnished in connection herewith or therewith or in connection with the
transactions contemplated hereby or thereby shall prove to have been false or
misleading in any material respect as of the time made, deemed made or
furnished;

      (e) Either Borrower or any of their respective Subsidiaries shall (i) fail
to pay when due (whether by scheduled maturity, acceleration or otherwise and
after giving effect to any applicable grace period) any principal of or interest
on any Indebtedness (other than the Indebtedness incurred pursuant to this
Agreement) having an aggregate principal amount of at least $5,000,000, or (ii)
fail to observe, perform or comply with any condition, covenant or agreement
contained in any agreement or instrument evidencing or relating to any such
Indebtedness, or any other event shall occur or condition exist in respect
thereof, and the effect of such failure, event or condition is to cause, or
permit the holder or holders of such Indebtedness (or a trustee or agent on its
or their behalf) to cause (with the giving of notice, lapse of time, or both),
the Indebtedness referred to in clause (i) to become due, or to be prepaid,
redeemed, purchased or defeased, prior to its stated maturity;

      (f) Either Borrower or any of the Parent's Subsidiaries shall (i) file a
voluntary petition or commence a voluntary case seeking liquidation, winding-up,
reorganization, dissolution, arrangement, readjustment of debts or any other
relief under the Bankruptcy Code, the insurance laws applicable to any Insurance
Subsidiary, or under any other applicable bankruptcy, insolvency or similar law
now or hereafter in effect, (ii) consent to the institution of, or fail to
controvert in a timely and appropriate manner, any petition or case of the type
described in subsection (g) below, (iii) apply for or consent to the appointment
of or taking possession by a custodian, trustee, receiver or similar official
for or of itself or all or a substantial part of its properties or assets, (iv)
fail generally, or admit in writing its inability, to pay its debts generally as
they become due, (v) make a general assignment for the benefit of creditors or
(vi) take any corporate action to authorize or approve any of the foregoing;

      (g) Any involuntary petition or case shall be filed or commenced against
either Borrower, any of the Parent's Subsidiaries seeking liquidation,
winding-up, reorganization, dissolution, arrangement, readjustment of debts, the
appointment of a custodian, trustee, receiver or similar official for it or all
or a substantial part of its properties or any other relief under the Bankruptcy
Code, the insurance laws applicable to any Insurance Subsidiary, or under any
other applicable bankruptcy, insolvency or similar law now or hereafter in
effect, and such petition or case shall continue undismissed and unstayed for a
period of sixty (60) days; or an order, judgment or decree approving or ordering
any of the foregoing shall be entered in any such proceeding;

                                       35
<PAGE>   41

      (h) Any one or more money judgments, writs or warrants of attachment,
executions or similar processes involving an aggregate amount (exclusive of
amounts fully bonded or covered by insurance as to which the surety or insurer,
as the case may be, has acknowledged its liability in writing) in excess of
$5,000,000 shall be entered or filed against either Borrower or any of their
respective Subsidiaries or any of their respective properties and the same shall
not be dismissed, stayed or discharged for a period of thirty (30) days or in
any event later than five days prior to the date of any proposed sale
thereunder;

      (i) Any ERISA Event or any other event or condition shall occur or exist
with respect to any Plan or Multiemployer Plan and, as a result thereof,
together with all other ERISA Events and other events or conditions then
existing, the Parent and the respective ERISA Affiliates have incurred or would
be reasonably likely to incur liability to any one or more Plans or
Multiemployer Plans or to the PBGC (or to any combination thereof) that has or
would be reasonably likely to have a Material Adverse Effect;

      (j) Any one or more Licenses, permits, accreditations or authorizations of
either Borrower, any of the Parent's Subsidiaries shall be suspended, limited or
terminated or shall not be renewed, or any other action shall be taken, by any
Governmental Authority in response to any alleged failure by either Borrower,
any of the Parent's Subsidiaries to be in compliance with applicable
Requirements of Law, and such action, individually or in the aggregate, has or
would be reasonably likely to have a Material Adverse Effect;

      (k) Any one or more Environmental Claims shall have been asserted against
either Borrower or any of their respective Subsidiaries (or a reasonable basis
shall exist therefor); either Borrower has incurred or would be reasonably
likely to incur liability as a result thereof; and such liability, individually
or in the aggregate, has or would be reasonably likely to have a Material
Adverse Effect; or

      (l) Any of the following shall occur: (i) any Person or group of Persons
acting in concert as a partnership or other group, shall, as a result of a
tender or exchange offer, open market purchases, privately negotiated purchases
or otherwise, have become, after the date hereof, the "beneficial owner" (within
the meaning of such term under Rule 13d-3 under the Exchange Act) of securities
of the Parent representing 20% or more of the combined voting power of the then
outstanding securities of such Borrower ordinarily (and apart from rights
accruing under special circumstances) having the right to vote in the election
of directors; (ii) the Board of Directors of either Borrower shall cease to
consist of a majority of the individuals who constituted the Board of Directors
as of the date hereof or who shall have become a member thereof subsequent to
the date hereof after having been nominated, or otherwise approved in writing,
by at least a majority of individuals who constituted the Board of Directors of
such Borrower as of the date hereof (or their replacements approved as herein
required); or (iii) the Parent shall cease to own directly 100% of the issued
and outstanding capital stock of SICA.

      8.2 Remedies: Termination of Commitment, Acceleration, etc. Upon and at
any time after the occurrence and during the continuance of any Event of
Default, the Lender may take any or all of the following actions at the same or
different times:

      (a) Declare the Commitment to be terminated, whereupon the same shall
terminate (provided that, upon the occurrence of an Event of Default pursuant to
Section 8.1(f) or Section 8.1(g), the Commitment shall automatically be
terminated);

      (b) Declare all or any part of the outstanding principal amount of the
Loans to be immediately due and payable, whereupon the principal amount so
declared to be immediately due and payable, together with all interest accrued
thereon and all other amounts payable under this Agreement, the Note and the
other Credit Documents, shall become immediately due and payable without
presentment, demand, protest, notice of intent to accelerate or other notice or
legal process of any kind, all of which are hereby knowingly and expressly
waived by each Borrower (provided that, upon the occurrence of an Event of
Default pursuant to Section 8.1(f) or Section 8.1(g), all of the outstanding
principal amount of the Loans and all other amounts described in this subsection
(b) shall automatically become immediately due and payable without presentment,
demand, protest, notice of intent to accelerate or other notice or legal process
of any kind, all of which are hereby knowingly and expressly waived by each
Borrower); and

      (c) Exercise all rights and remedies available to it under this Agreement,
the other Credit Documents and applicable law.

                                       36
<PAGE>   42

      8.3 Remedies: Set-Off. In addition to all other rights and remedies
available under the Credit Documents or applicable law or otherwise, upon and at
any time after the occurrence and during the continuance of any Event of
Default, the Lender may, and is hereby authorized by each Borrower, at any such
time and from time to time, to the fullest extent permitted by applicable law,
without presentment, demand, protest or other notice of any kind, all of which
are hereby knowingly and expressly waived by each Borrower, to set off and to
apply any and all deposits (general or special, time or demand, provisional or
final) and any other property at any time held (including at any branches or
agencies, wherever located), and any other indebtedness at any time owing, by
the Lender to or for the credit or the account of such Borrower against any or
all of the Obligations now or hereafter existing, whether or not such
Obligations may be contingent or unmatured, each Borrower hereby granting to the
Lender a continuing security interest in and Lien upon all such deposits and
other property as security for such Obligations. The Lender agrees promptly to
notify the applicable Borrower after any such set-off and application; provided,
however, that the failure to give such notice shall not affect the validity of
such set-off and application.

                                   ARTICLE IX

                                  MISCELLANEOUS

      9.1 Fees and Expenses. Each Borrower, jointly and severally, agrees (i)
whether or not the transactions contemplated by this Agreement shall be
consummated, to pay upon demand all reasonable out-of-pocket costs and expenses
of the Lender (including, without limitation, the reasonable fees and
out-of-pocket expenses of counsel to the Lender) in connection with (y) the
preparation, negotiation, execution, and delivery of, this Agreement and the
other Credit Documents, and any amendment, modification or waiver hereof or
thereof or consent with respect hereto or thereto, (z) the administration,
monitoring and review of the Loans (including, without limitation, out-of-pocket
expenses for travel, meals, long-distance telephone calls, wire transfers,
facsimile transmissions and copying and with respect to the engagement of
appraisers, consultants, auditors or similar Persons by the Lender at any time,
whether before or after the Closing, to render opinions concerning the financial
condition of each Borrower), (ii) to pay upon demand all reasonable
out-of-pocket costs and expenses of the Lender (including, without limitation,
reasonable attorneys' fees and out-of-pocket expenses) in connection with (y)
any refinancing or restructuring of the credit arrangement provided under this
Agreement, whether in the nature of a "work-out," in any insolvency or
bankruptcy proceeding or otherwise and whether or not consummated, and (z) the
enforcement, attempted enforcement or preservation of any rights or remedies
under this Agreement or any of the other Credit Documents, whether in any
action, suit or proceeding (including any bankruptcy or insolvency proceeding)
or otherwise, and (iii) to pay and hold the Lender harmless from and against all
liability for any intangibles, documentary, stamp or other similar taxes, fees
and excises, if any, including any interest and penalties, and any finder's or
brokerage fees, commissions and expenses (other than any fees, commissions or
expenses of finders or brokers engaged by the Lender), that may be payable in
connection with the transactions contemplated by this Agreement and the other
Credit Documents.

      9.2 Indemnification. Each Borrower, jointly and severally, agrees, whether
or not the transactions contemplated by this Agreement shall be consummated, to
indemnify and hold the Lender and its directors, officers, employees, agents and
Affiliates (each, an "Indemnified Person") harmless from and against any and all
claims, losses, damages, obligations, liabilities, penalties, costs and expenses
(including, without limitation, reasonable attorneys' fees and expenses) of any
kind or nature whatsoever, whether direct, indirect or consequential
(collectively, "Indemnified Costs"), that may at any time be imposed on,
incurred by or asserted against any such Indemnified Person as a result of,
arising from or in any way relating to the preparation, execution, performance
or enforcement of this Agreement or any of the other Credit Documents, any of
the transactions contemplated herein or therein or any transaction financed or
to be financed in whole or in part, directly or indirectly, with the proceeds of
any Loans (including, without limitation, in connection with the actual or
alleged generation, presence, discharge or release of any Hazardous Substances
on, into or from, or the transportation of Hazardous Substances to or from, any
real property at any time owned or leased by either Borrower or any of their
respective Subsidiaries, any other Environmental Claims or any violation of or
liability under any Environmental Law), or any action, suit or proceeding
(including any inquiry or investigation) by any Person, whether threatened or
initiated, related to any of the foregoing, and in any case whether or not such
Indemnified Person is a party to any such action, proceeding or suit or a
subject of any such inquiry or investigation; provided, however, that no
Indemnified Person shall have the right to be indemnified hereunder for any
Indemnified Costs to the extent resulting from the gross negligence or

                                       37
<PAGE>   43

willful misconduct of such Indemnified Person. All of the foregoing Indemnified
Costs of any Indemnified Person shall be paid or reimbursed by the Borrowers, as
and when incurred and upon demand.

      9.3 Governing Law; Consent to Jurisdiction. THIS AGREEMENT SHALL BE
GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK,
WITHOUT REGARD TO PRINCIPLES OF CONFLICT OF LAWS (EXCLUDING NEW YORK GENERAL
OBLIGATIONS LAW ss.5-1401). THE PARTIES HERETO HEREBY DECLARE THAT IT IS THEIR
INTENTION THAT THIS AGREEMENT SHALL BE REGARDED AS MADE UNDER THE LAWS OF THE
STATE OF NEW YORK AND THAT THE LAWS OF SAID STATE SHALL BE APPLIED IN
INTERPRETING ITS PROVISIONS IN ALL CASES WHERE LEGAL INTERPRETATION SHALL BE
REQUIRED. EACH OF THE PARTIES HERETO AGREES (A) THAT THIS AGREEMENT INVOLVES AT
LEAST $250,000; AND (B) THAT THIS AGREEMENT HAS BEEN ENTERED INTO BY THE PARTIES
HERETO IN EXPRESS RELIANCE UPON NEW YORK GENERAL OBLIGATIONS LAW ss. 5-1401.
NOTWITHSTANDING THE FOREGOING CHOICE OF LAW, THE BORROWERS HEREBY CONSENT TO THE
NONEXCLUSIVE JURISDICTION OF ANY STATE COURT WITHIN MECKLENBURG COUNTY, NORTH
CAROLINA OR ANY FEDERAL COURT LOCATED WITHIN THE WESTERN DISTRICT OF THE STATE
OF NORTH CAROLINA OR THE SOUTHERN DISTRICT OF THE STATE OF NEW YORK FOR ANY
PROCEEDING INSTITUTED HEREUNDER OR UNDER ANY OF THE OTHER CREDIT DOCUMENTS, OR
ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT OR ANY OF THE OTHER CREDIT
DOCUMENTS, OR ANY PROCEEDING TO WHICH THE LENDER OR EITHER BORROWER IS A PARTY,
INCLUDING ANY ACTIONS BASED UPON, ARISING OUT OF, OR IN CONNECTION WITH ANY
COURSE OF CONDUCT, COURSE OF DEALING, STATEMENT (WHETHER ORAL OR WRITTEN) OR
ACTIONS OF THE LENDER OR EITHER BORROWER. EACH BORROWER IRREVOCABLY AGREES TO BE
BOUND (SUBJECT TO ANY AVAILABLE RIGHT OF APPEAL) BY ANY JUDGMENT RENDERED OR
RELIEF GRANTED THEREBY AND FURTHER WAIVES ANY OBJECTION THAT IT MAY HAVE BASED
ON LACK OF JURISDICTION OR IMPROPER VENUE OR FORUM NON CONVENIENS TO THE CONDUCT
OF ANY SUCH PROCEEDING. EACH BORROWER CONSENTS THAT ALL SERVICE OF PROCESS BE
MADE BY REGISTERED OR CERTIFIED MAIL DIRECTED TO IT AT ITS ADDRESS SET FORTH
HEREINBELOW, AND SERVICE SO MADE SHALL BE DEEMED TO BE COMPLETED UPON THE
EARLIER OF ACTUAL RECEIPT THEREOF OR THREE (3) DAYS AFTER DEPOSIT IN THE UNITED
STATES MAILS, PROPER POSTAGE PREPAID AND PROPERLY ADDRESSED. NOTHING IN THIS
SECTION SHALL AFFECT THE RIGHT TO SERVE LEGAL PROCESS IN ANY OTHER MANNER
PERMITTED BY LAW OR AFFECT THE RIGHT OF THE LENDER TO BRING ANY ACTION OR
PROCEEDING AGAINST EITHER BORROWER IN THE COURTS OF ANY OTHER JURISDICTION.

      9.4 Waiver of Jury Trial.

      TO THE FULLEST EXTENT PERMITTED UNDER APPLICABLE LAW, EACH OF THE
BORROWERS AND THE LENDER HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES ALL RIGHT
TO TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OF OR
RELATED TO THIS AGREEMENT AND THE OTHER CREDIT DOCUMENTS OR ANY OF THE
TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY.

      9.5 Notices. All notices and other communications provided for hereunder
shall be in writing (including telegraphic, telex, facsimile transmission or
cable communication) and mailed, telegraphed, telexed, telecopied, cabled or
delivered to the party to be notified at the following addresses:

                  (a) if to the Borrowers, to Selective Insurance Group, Inc.,
            40 Wantage Avenue, Branchville, New Jersey 07890, Attention: David
            B. Merclean, Chief Financial Officer, Telecopy No. (973) 948-0282,
            with a copy to Selective Insurance Group, Inc. Attention: Thornton
            R. Land, General Counsel, Telecopy No. (973) 948-0282;

                  (b) if to the Lender, to First Union National Bank, Financial
            Institutions Group, 1339 Chestnut Street, PA 4819, Philadelphia,
            Pennsylvania 19101-4819, Attention: Joseph DiFrancesco, Telecopy No.
            (215)- 786-4114;

                                       38
<PAGE>   44

or in each case, to such other address as any party may designate for itself by
like notice to all other parties hereto. All such notices and communications
shall be deemed to have been given (i) if mailed as provided above by any method
other than overnight delivery service, on the third Business Day after deposit
in the mails, (ii) if mailed by overnight delivery service, or telecopied, when
delivered for overnight delivery, or transmitted by telecopier, respectively, or
(iii) if delivered by hand, upon delivery; provided that notices and
communications to the Lender shall not be effective until received by the
Lender.

      9.6 Amendments, Waivers, etc. No amendment, modification, waiver or
discharge or termination of, or consent to any departure by either Borrower
from, any provision of this Agreement or any other Credit Document, shall be
effective unless in a writing signed by the Lender, and then the same shall be
effective only in the specific instance and for the specific purpose for which
given

      9.7 Assignments, Participations.

      (a) The Lender may assign to one or more assignees (each, an "Assignee")
all or a portion of its rights and obligations under this Agreement (including,
without limitation, all or a portion of its Commitment, the outstanding Loans
made by it, the Note held by it); provided, however, that any such assignment
(other than an assignment to an Affiliate of the Lender) shall not be made
without the prior written consent of the Parent, which consent shall not be
unreasonably withheld (provided that the Parent's consent shall not be required
in the event a Default or Event of Default shall have occurred and be
continuing).

      (b) The Lender may, without the consent of the Borrowers, sell to one or
more other Persons (each, a "Participant") participations in any portion
comprising less than all of its rights and obligations under this Agreement
(including, without limitation, a portion of its Commitment, the outstanding
Loans made by it, the Note); provided, however, that the Lender's obligations
under this Agreement shall remain unchanged and the Lender shall remain solely
responsible for the performance of such obligations, and no Participant shall
have any rights under this Agreement or any of the other Credit Documents, each
Participant's rights against the Lender in respect of any participation to be
those set forth in the participation agreement, and all amounts payable by the
Borrowers hereunder shall be determined as if the Lender had not granted such
participation.

      (c) Nothing in this Agreement shall be construed to prohibit the Lender
from pledging or assigning all or any portion of its rights and interest
hereunder or under the Note to any Federal Reserve Bank as security for
borrowings therefrom; provided, however, that no such pledge or assignment shall
release the Lender from any of its obligations hereunder.

      (d) The Lender or Participant may, in connection with any assignment or
participation or proposed assignment or participation pursuant to this Section,
disclose to the Assignee or Participant or proposed Assignee or Participant any
information relating to the Borrowers furnished to it by or on behalf of any
other party hereto, provided that such Assignee or Participant or proposed
Assignee or Participant shall keep such information confidential to the same
extent required of the Lender under Section 9.13.

      9.8 No Waiver. The rights and remedies of the Lender expressly set forth
in this Agreement and the other Credit Documents are cumulative and in addition
to, and not exclusive of, all other rights and remedies available at law, in
equity or otherwise. No failure or delay on the part of the Lender in exercising
any right, power or privilege shall operate as a waiver thereof, nor shall any
single or partial exercise of any such right, power or privilege preclude other
or further exercise thereof or the exercise of any other right, power or
privilege or be construed to be a waiver of any Default or Event of Default. No
course of dealing between the Borrowers and the Lender or their agents or
employees shall be effective to amend, modify or discharge any provision of this
Agreement or any other Credit Document or to constitute a waiver of any Default
or Event of Default. No notice to or demand upon the Borrowers in any case shall
entitle the Borrowers to any other or further notice or demand in similar or
other circumstances or constitute a waiver of the right of the Lender to
exercise any right or remedy or take any other or further action in any
circumstances without notice or demand.

      9.9 Successors and Assigns. This Agreement shall be binding upon, inure to
the benefit of and be enforceable by the respective successors and assigns of
the parties hereto, and all references herein to any party shall be deemed to
include its successors and assigns; provided, however, that (i) the Borrowers
shall not sell, assign or

                                       39
<PAGE>   45

transfer any of its respective rights, interests, duties or obligations under
this Agreement without the prior written consent of the Lender and (ii) any
Assignees and Participants shall have such rights and obligations with respect
to this Agreement and the other Credit Documents as are provided for under and
pursuant to the provisions of Section 9.7.

      9.10 Survival. All representations, warranties and agreements made by or
on behalf of, or with respect to, each of the Borrowers or any of their
respective Subsidiaries in this Agreement and in the other Credit Documents
shall survive the execution and delivery hereof or thereof and the making and
repayment of the Loans. In addition, notwithstanding anything herein or under
applicable law to the contrary, the provisions of this Agreement and the other
Credit Documents relating to indemnification or payment of fees, costs and
expenses, including, without limitation, the provisions of Sections 2.15(a),
2.15(b), 2.16, 2.17, 9.1 and 9.2, shall survive the payment in full of all
Loans, the termination of the Commitment, and any termination of this Agreement
or any of the other Credit Documents.

      9.11 Severability. To the extent any provision of this Agreement is
prohibited by or invalid under the applicable law of any jurisdiction, such
provision shall be ineffective only to the extent of such prohibition or
invalidity and only in such jurisdiction, without prohibiting or invalidating
such provision in any other jurisdiction or the remaining provisions of this
Agreement in any jurisdiction.

      9.12 Construction. The headings of the various articles, sections and
subsections of this Agreement have been inserted for convenience only and shall
not in any way affect the meaning or construction of any of the provisions
hereof. Except as otherwise expressly provided herein and in the other Credit
Documents, in the event of any inconsistency or conflict between any provision
of this Agreement and any provision of any of the other Credit Documents, the
provision of this Agreement shall control.

      9.13 Confidentiality. The Lender agrees to keep confidential, pursuant to
its customary procedures for handling confidential information of a similar
nature and in accordance with safe and sound banking practices, all nonpublic
information provided to it by or on behalf of the Borrowers or any of its
Subsidiaries in connection with this Agreement or any other Credit Document;
provided, however, that the Lender may disclose such information (i) to its
directors, employees and agents and to its auditors, counsel and other
professional advisors, (ii) at the demand or request of any bank regulatory
authority, court, other Governmental Authority or Insurance Regulatory Authority
having or asserting jurisdiction over the Lender, as may be required pursuant to
subpoena or other legal process, or otherwise in order to comply with any
applicable Requirement of Law, (iii) in connection with any proceeding to
enforce its rights hereunder or under any other Credit Document or any other
litigation or proceeding related hereto or to which it is a party, (iv) to the
extent the same has become publicly available other than as a result of a breach
of this Agreement and (v) pursuant to and in accordance with the provisions of
Section 9.7(d).

      9.14 Counterparts; Effectiveness. This Agreement may be executed
(including by facsimile) in any number of counterparts and by different parties
hereto on separate counterparts, each of which when so executed and delivered
shall be an original, but all of which shall together constitute one and the
same instrument. This Agreement shall become effective upon the execution of a
counterpart hereof by each of the parties hereto and receipt by the Lender and
the Borrowers of written or telephonic notification of such execution and
authorization of delivery thereof.

      9.15 Disclosure of Information. Each Borrower agrees and consents to the
Lender's disclosure of information relating to this transaction to Gold Sheets
and other similar bank trade publications. Such information will consist of deal
terms and other information customarily found in such publications.

      9.16 The Borrowers as Co-Obligors.

      (a) All of the Obligations of the Borrowers hereunder are joint and
several in each and every particular. The Obligations of the Borrowers are
independent of each other, and a separate action or actions may be brought and
prosecuted against either Borrower to enforce this Agreement, irrespective of
whether any action is brought against the other Borrower or whether the other
Borrower is joined in any such action or actions.

                                       40
<PAGE>   46

      (b) The Borrowers, jointly and severally as hereinafter described, hereby
irrevocably and unconditionally accept, not merely as surety but also as
co-debtors, joint and several liability with respect to the payment and
performance of all of the Obligations under all of the Credit Documents, it
being the intention of the parties hereto that all the Obligations shall be the
joint and several obligations of all the Borrowers without preference or
distinction among them, except for those obligations expressly set forth as only
applying to a single Borrower.

      (c) If and to the extent that any Borrower shall fail to make any payment
with respect to any of the Obligations owed by it as and when due or to perform
any of such Obligations in accordance with the terms thereof, then in each such
event the other Borrower will, forthwith upon demand by the Lender, make such
payment with respect to, or perform, such obligation pursuant to the terms
thereof.

      (d) Each of the Borrowers waives: (I) any right to require the Lender to
(A) proceed against any other person, including any other Borrower, or (B)
pursue any other remedy. The obligations of each Borrower under this Section
9.16 shall not be diminished or rendered unenforceable by any winding up,
reorganization, arrangement, liquidation, reconstruction or similar proceeding
with respect to any Borrower or the Lender. The joint and several liability of
each Borrower in this Section 9.16 shall continue in full force and effect
notwithstanding any absorption, merger, amalgamation or any other change
whatsoever in the name, charter, membership, constitution or place of formation
of any Borrower, or any Lender. Each of the Borrowers agrees that each of the
waivers set forth above are made with such Borrower's full knowledge of their
significance and consequences.

      9.17 Entire Agreement. THIS AGREEMENT AND THE OTHER DOCUMENTS AND
INSTRUMENTS EXECUTED AND DELIVERED IN CONNECTION HEREWITH (A) EMBODY THE ENTIRE
AGREEMENT AND UNDERSTANDING BETWEEN THE PARTIES HERETO AND THERETO RELATING TO
THE SUBJECT MATTER HEREOF AND THEREOF, (B) SUPERSEDE ANY AND ALL PRIOR
AGREEMENTS AND UNDERSTANDINGS OF SUCH PERSONS, ORAL OR WRITTEN, RELATING TO THE
SUBJECT MATTER HEREOF AND THEREOF, BUT SPECIFICALLY EXCLUDING THE FEE LETTER,
AND (C) MAY NOT BE AMENDED, SUPPLEMENTED, CONTRADICTED OR OTHERWISE MODIFIED BY
EVIDENCE OF PRIOR, CONTEMPORANEOUS OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES.

                                       41
<PAGE>   47

      IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed by their duly authorized officers as of the date first above written.

                                    SELECTIVE INSURANCE GROUP, INC.

                                    By:    ____________________________________

                                    Title: ____________________________________

                                    SELECTIVE INSURANCE COMPANY OF AMERICA

                                    By:    ____________________________________

                                    Title: ____________________________________

                                    (Signatures Follow)

                                      S-1
<PAGE>   48

                                    FIRST UNION NATIONAL BANK

                                    By:    ____________________________________

                                    Title: ____________________________________

                                    Instructions for wire transfers to the
                                      Lender:

                                    First Union National Bank
                                    ABA Routing No. 031201467
                                    Philadelphia, Pennsylvania
                                    Account Name:   GL
                                    Account Number  01459168111011
                                    Attention:      Mary Albanese
                                    Reference:      Selective Insurance

                                    Address for notices:

                                    First Union National Bank
                                    1339 Chestnut Street, 3rd Floor
                                    Philadelphia, Pennsylvania 19107
                                    Attention:  Mary Albanese
                                    Telephone:  (215) 973-8174
                                    Telecopy:   (215) 786-4114

                                    with a copy to

                                    First Union National Bank
                                    1339 Chestnut Street, 3rd Floor
                                    Philadelphia, Pennsylvania 19107
                                    Attention:  Joseph DiFrancesco
                                    Telephone:  (215) 973-2944
                                    Telecopy:   (215) 786-4114

                                    Lending Office:

                                    First Union National Bank
                                    1339 Chestnut Street, 3rd Floor
                                    Philadelphia, Pennsylvania 19107
                                    Attention:  Mary Albanese
                                    Telephone:  (215) 973-8174
                                    Telecopy:   (215) 786-4114

                                      S-2<PAGE>   1
                                                                EXHIBIT 10.1

Portions of this Exhibit 10.1 have been redacted and are the subject of a
confidential treatment request filed with the Secretary of the Securities and
Exchange Commission.

<PAGE>   2
                      NON-EXCLUSIVE CROSS LICENSE AGREEMENT

         THIS NONEXCLUSIVE CROSS LICENSE AGREEMENT (the "Agreement") among MERCK
& CO., INC., a New Jersey corporation ("Merck"), Merck and Company,
Incorporated, a Delaware corporation ("MACI") and OSI Pharmaceuticals, Inc. a
Delaware corporation ("OSI"), is effective on the date of signature by the last
of the parties to sign (the "Effective Date").

         WHEREAS, Merck and MACI are the owners of certain patents and related
foreign counterparts claiming methods for identifying compounds that modulate
cell surface protein activity via a transcription-based assay; and

         WHEREAS, OSI is the owner of certain patents and related foreign
counterparts as described herein claiming methods of discovering compounds which
modulate gene transcription using reporter gene technology and methods of
determining whether chemicals are specific transcriptional modulators of gene
expression; and

         WHEREAS, OSI has agreed to grant to Merck (as to the United States) and
to MACI (outside the United States) a non-exclusive license for research
purposes under OSI Patents (as defined below), and Merck and MACI have agreed to
grant to OSI a non-exclusive license for research purposes under Merck Patents
(as defined below), all on the terms and conditions set forth herein;

         NOW, THEREFORE, in consideration of the mutual covenants and agreements
set forth herein and for other good and valuable consideration the receipt and
sufficiency is hereby acknowledged, the parties hereto agree as follows:

                                   ARTICLE I
                                   DEFINITIONS

1.1. "Affiliates" means (i) any corporation or business entity of which at least
     fifty percent (50%) of the securities or other ownership interests
     representing the equity, the voting stock or general partnership interests
     are owned, controlled or held, directly or indirectly, by Merck, MACI or
     OSI; or (ii) any corporation or business entity which directly or
     indirectly, owns, controls or holds at least fifty percent (50%) of the
     securities or other ownership interests representing the equity, the voting
     stock or, if applicable, the general partnership interests, of Merck, MACI
     or OSI.

1.2. "Confidential Information" means all information received by a party hereto
     from the other party hereto pursuant to this Agreement which is deemed
     confidential and is designated confidential at the time the information is
     disclosed, subject to the exceptions set forth in Section 4.3.
<PAGE>   3

1.3. "Cosmeceuticals" means compounds, or assays for discovering compounds,
     useful to (a) stimulation or control of hair growth, (b) prevention or
     reversal of wrinkling of the skin, and (c) alteration of skin or hair
     pigmentation.

1.4. "OSI Patents" means the U.S. patents and parent applications listed on the
     attached Exhibit A and any reissues, extensions, substitutions,
     re-registrations, re-examinations, continuations, divisionals, or
     continuations-in-part of such patents and patent applications, and foreign
     equivalents thereof.

1.5. "Merck Patents" means U.S. Patent No. 5,401,629 and any reissues,
     extensions, substitutions, re-registrations, re-examinations,
     continuations, divisionals or continuations-in-part of such patent and
     foreign counterparts of such patent.

1.6. "Research" means research drug discovery and development. "Research" does
     not include performance of testing services or other services for, or on
     behalf of, a third party.

1.7. "Territory" means all of the countries in the world.

                                   ARTICLE II
                                 GRANT OF RIGHTS

2.1. License Grant to OSI. Upon the terms and conditions set forth herein, (i)
     Merck, as to the United States, its territories and possessions, and (ii)
     MACI, as to the rest of the world, together granting rights as to the
     entire Territory, hereby grant to OSI an irrevocable, non-exclusive,
     royalty-free, paid-up license in the Territory to practice under Merck
     Patents including without limitation the right to make, have made and use
     all inventions claimed in Merck Patents for Research purposes and to
     perform all Research activities which activities would, but for the license
     granted herein, infringe Merck Patents. OSI may sublicense its rights under
     this Section 2.1 to (i) OSI's Affiliates and (ii) OSI's agents and third
     party collaborators solely for the purpose and to the extent necessary to
     enable such agents and third parties to conduct Research for, or on behalf
     of, OSI or its Affiliates.

2.2. License Grant to Merck and MACI. Upon the terms and conditions set forth
     herein, OSI hereby grants to Merck (as to the United States, its
     territories and possessions) and to MACI (as to the rest of the world), an
     irrevocable, non-exclusive, royalty-free, paid-up license in the Territory
     to practice under OSI Parents including without limitation the right to
     make, have made and use all inventions claimed in OSI Patents for Research
     purposes and to perform all Research activities which activities would, but
     for the license granted herein, infringe OSI Patents; provided, however,
     that prior to April 24, 2002 such license shall not include Research in the
     field of Cosmeceuticals. Commencing on April 24,2002 (or on such earlier
     date if the field of Cosmeceuticals ceases to the subject of an exclusive
     license granted by OSI to a third party) the scope of the license shall
     automatically be expanded to include Cosmeceuticals. Merck and MACI may
     further sublicense their rights under this Section 2.2 to (i) Merck's
     Affiliates and (ii) Merck's agents and third party collaborators solely for
     the purpose and to the extent necessary to enable such agents and third
     parties to conduct Research for, or on behalf of, Merck or MACI or their
     Affiliates.
                                       2
<PAGE>   4

2.3. No Implied Licenses. Except as specifically set forth herein, no license or
     right is granted, by implication or otherwise, under any patent, patent
     application or other intellectual property right owned or controlled by
     Merck, MACI or OSI. During the term of this Agreement, and at all times
     after its termination or expiration, Merck and MACI shall retain all
     rights, without any restriction, to practice under the Merck Patents.
     During the term of this Agreement, and at all times after its termination
     or expiration, OSI shall retain all rights to practice under the OSI
     Patents.

2.4. No Additional Obligations. Neither Merck nor MACI shall have any obligation
     to transfer any know-how, materials, technology or information to OSI or to
     perform any research, manufacturing or other services under, or in
     connection with, this Agreement. OSI shall have no obligation to transfer
     any know-how, materials, technology or information to Merck or MACI, or to
     perform any research, manufacturing or other services under, or in
     connection with, this Agreement.

2.5. Release and Covenant Not to Sue.

     (a)  If and to the extent that Merck and/or MACI and/or any of their
          respective Affiliates have practiced or used in any country of the
          world any invention claimed under OSI Patents following issuance of
          any patent included within OSI Patents in any such country prior to
          the Effective Date of this Agreement, OSI, on behalf of itself and its
          Affiliates, hereby releases, waives and discharges all claims, rights,
          and causes of action of any nature whatsoever that it or its
          Affiliates may have against Merck and any of its Affiliates with
          respect to any such infringement or other misuse of the OSI Patents
          prior to the Effective Date.

     (b)  If and to the extent that OSI and/or any of its Affiliates have
          practiced or used in any country of the world any invention claimed
          under Merck Patents following issuance of any patent included within
          Merck Patents in any such country prior to the Effective Date of this
          Agreement, Merck. on behalf of itself and its Affiliates, hereby
          releases, waives and discharges all claims, rights, and causes of
          action of any nature whatsoever that it or its Affiliates may have
          against OSI and any of its Affiliates with respect to any such
          infringement or other misuse of the Merck Patents prior to the
          Effective Date.

                                       3
<PAGE>   5

                                  ARTICLE III
                             PATENTS AND INVENTIONS

3.1.     Merck Patents.

     (a)  Merck and MACI shall be solely responsible for the prosecution and
          maintenance of the Merck Patents, and Merck and MACI may cease
          prosecution and maintenance of any or all of such Merck Patents at any
          time without obligation to OSI. Merck and MACI shall have the sole
          right (but not obligation) to bring and control, at their own expense,
          any infringement action against any person or entity infringing the
          Merck Patents, and any recovery realized as a result of such action
          shall belong to Merck and/or MACI.

     (b)  * *

3.2. OSI Patents. OSI shall be solely responsible for the prosecution and
     maintenance of the OSI Patents, and OSI may cease prosecution and
     maintenance of any or all of such OSI Patents at any time without
     obligation to Merck or MACI. OSI shall have the sole right (but not the
     obligation) to bring and control, at its own expense, any infringement
     action against any person or entity infringing the OSI Patents, and any
     recovery realized as a result of such action shall belong to OSI.

3.3. Inventions. OSI shall own any and all inventions resulting from its
     exercise of its rights under Section 2.1 hereof. Merck and/or MACI shall
     own any and all inventions resulting from the exercise of their respective
     rights under Section 2.2 hereof.

                                   ARTICLE IV
                           PUBLICATIONS AND PUBLICITY

4.1. Publications. Each party shall be entitled to publish the results of its
     Research performed while exercising the rights granted hereunder without
     restriction and without obligation to provide a copy of any such
     publication to any other party for review and/or approval.

4.2. Publicity. No public announcements or similar publicity with respect to
     this Agreement, the existence of or the terms hereof or the transaction
     contemplated herein, including the fact that the parties hereto have
     entered into this Agreement, shall be made or shall take place unless
     mutually agreed upon in writing by the parties; provided, however, that
     nothing herein shall prevent a party from, upon reasonable prior notice to
     and opportunity to revise by the other parties, making such public
     announcements as such party's legal obligations require.

-----------------------
**  This portion has been redacted pursuant to a confidential treatment request

                                       4
<PAGE>   6
4.3. Confidentiality. Except as expressly provided herein, the parties hereto
     agree that the receiving party shall keep confidential and shall not
     publish or otherwise disclose to any third party and shall not use for any
     purpose other than to perform the activities contemplated by this Agreement
     any Confidential Information furnished to it by the disclosing party
     pursuant  to this Agreement, except to the extent that it can be
     established by the receiving party by competent proof that such
     Confidential Information (a) was already known to the receiving party,
     other than under an obligation of confidentiality, at the tune of
     disclosure; (b) was generally available to the public or otherwise part of
     the public domain at the time of its disclosure to the receiving parry;
     (c) became generally available to the public or otherwise part of the
     public domain after its disclosure and other than through any act or
     omission of the receiving party in breach of this Agreement; (d) was
     lawfully disclosed to the receiving party by a third party, provided that
     such third party is not under a confidentiality obligation to the
     disclosing party; (e) was independently developed by the receiving party;
     (I) is required to be disclosed by a party (i) to any governmental or
     other regulatory agency, including, without limitation, the U.S. Food and
     Drug Administration, as necessary to file or prosecute patent
     applications, or to obtain approval to conduct clinical investigations or
     to market products to the extent necessary to obtain such authorization,
     or (ii)to its permitted sublicensees in order to practice under the
     sublicense granted thereto, provided that such sublicensees agree to be
     bound by equivalent confidentiality obligations as are contained in this
     Agreement; or (g) is required to be disclosed by either party to comply
     with applicable law, governmental regulation or court order, provided that
     if a party is required to make any such disclosure of the other party's
     Confidential Information, it will give reasonable advance notice to the
     latter party of such disclosure and will use reasonable efforts to secure
     confidential treatment of such information prior to this disclosure
     (whether through protective orders or otherwise).

                                   ARTICLE V
                         WARRANTIES AND INDEMNIFICATION

5.1. Representations and Warranties. Each of Merck, MACI and OSI hereby
     represents and warrants that it has the right, power and authority to enter
     into this Agreement and to grant the license rights set forth herein.
     Neither Merck nor MACI makes any representation or warranty regarding the
     scope, validity or enforceability of Merck Patents. OSI makes no
     representation or warranty regarding the scope, validity or enforceability
     of OSI Patents. None of Merck, MACI or OSI makes any warranty or
     representation that the exercise by the other party of the rights granted
     hereunder will not infringe patents or other intellectual property rights
     owned by third parties. Neither Merck nor MACI shall have liability to OSI
     or to any third party arising from the infringement by OSI of any patent or
     other intellectual property right owned by a third party in the course of
     OSI's exercise of its rights granted hereunder. OSI shall have no liability
     to Merck or to MACI or to any third party arising from the infringement by
     Merck of any patent or other intellectual property right owned by a third
     party in the course of Merck's and MACI's exercise of their respective
     rights granted hereunder.

5.2. Disclaimer. EXCEPT AS SPECIFICALLY SET FORTH HEREIN, NONE OF MERCK, MACI OR
     OSI MAKES ANY REPRESENTATION OR WARRANTY EXPRESS OR IMPLIED, INCLUDING,
     WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
     PARTICULAR PURPOSE, OF ANY ASSAY, ANIMAL, PRODUCT OR PROCESS COVERED IN THE
     CLAIMS OF MERCK PATENTS OR OSI PATENTS.

                                       5
<PAGE>   7

5.3. OSI Indemnity. OSI agrees to indemnify and hold Merck and MACI and their
     Affiliates, employees, directors, agents, and consultants harmless from and
     against all liability, claims, damages, expenses (including reasonable
     attorneys' fees), and losses, including but not limited to death, personal
     injury, illness, or property damage arising from the exercise by OSI or its
     permitted sublicensees of any rights granted to OSI hereunder, or the
     making, use or sale by OSI or its permitted sublicensees of any products or
     processes developed through the exercise of the rights panted to OSI
     hereunder, except to the extent that such liability, claims, damages,
     expenses and losses arise directly from (i) infringement of third party
     intellectual property rights by Merck or MACI or (ii) the gross negligence
     or willful misconduct of Merck or MACI.

5.4. Merck Indemnity. Merck and MACI agree to indemnify and hold OSI and its
     Affiliates, employees, directors, agents, and consultants harmless from and
     against all liability, claims, damages, expenses (including reasonable
     attorneys' fees), and losses, including but not limited to death, personal
     injury, illness, or property damage arising from the exercise by Merck or
     MACI or their permitted sublicensees of any rights granted to Merck or MACI
     hereunder, or the making, use or sale by Merck or MACI or their permitted
     sublicensees of any products or processes developed through the exercise of
     the rights granted to Merck and to MACI hereunder, except to the extent
     that such liability, claims, damages, expenses and losses arise directly
     from (i) infringement of third party intellectual property rights by OSI or
     (ii) the gross negligence or willful misconduct of OSI.

                                   ARTICLE VI
                         TERM, TERMINATION AND SURVIVAL

6.1. Term. The term of this Agreement shall commence on the Effective Date and
     shall continue, unless earlier terminated in accordance with the terms of
     this Agreement, until the expiration of the last to expire of the Merck
     Patents and the OSI Patents.

6.2. Termination by One Party. Each of Merck, MACI and OSI may, at any time,
     terminate the rights granted to it hereunder by notice to the other
     parties, but any such termination shall not terminate the rights granted to
     the other parties hereunder.

6.3. Termination for Breach or Bankruptcy. This Agreement may be terminated by
     Merck, MACI or OSI upon sixty (60) days' written notice to the other party
     (i) upon or after the breath of any material term of this Agreement by the
     other party if such breach has not been cured within the sixty (60) day
     period following written notice of termination or (ii) upon the bankruptcy,
     insolvency, dissolution or winding up of the other party (other than
     dissolution or winding up for the purposes of reconstruction or
     amalgamation).

6.4. Rights Upon Termination for Breach. Upon termination of this Agreement by a
     party under Section 6.3 due to the reasons set forth in 6.3(i), all rights
     granted hereunder to the breaching party shall terminate and the license
     granted to the non-breaching party under Article II hereof shall be a
     fully-paid up, perpetual license.

6.5. Rights Upon Termination for Bankruptcy. In the event this Agreement is
     terminated due to the rejection of this Agreement by a party under Section
     365 of the United States Bankruptcy Code (the "Code") all licenses and
     rights to licenses granted under or pursuant

                                       6
<PAGE>   8

     to this Agreement by the rejecting party to the other party are, and
     shall otherwise be deemed to be, for purposes of Section 365(n) of the
     Code, licenses of rights to "intellectual property" as defined under
     Section 101 (35A) of the Code. The parties agree that the non-rejecting
     party, as licensee of such rights under this Agreement, shall retain and
     may fully exercise all of its rights and elections under the Code. The
     parties further agree that, in the event of the commencement of a
     bankruptcy proceeding by or against a party under the Code, the other party
     shall be entitled to receive a complete duplicate of (or complete access
     to, as appropriate) any such intellectual property and all embodiments of
     such intellectual property upon written request therefore by such
     non-bankrupt party. Such intellectual property and all embodiments thereof
     shall be promptly delivered to the non-bankrupt party (i) upon any such
     commencement of a bankruptcy proceeding upon written request therefore by
     the non-bankrupt parry, unless the party in bankruptcy elects to continue
     to perform all of its obligations under this Agreement or (ii) if not
     delivered under (i) above, upon the rejection of this Agreement by or on
     behalf of the bankrupt party in the event of written request therefore by
     the other party. The foregoing is without prejudice to any rights the
     non-bankrupt party may have arising under the Code or other applicable law.

          6.6. Survival. Termination or expiration of this Agreement shall not
     relieve the parties of any rights or obligations accruing prior to such
     termination or expiration. The terms and conditions of Section 2.3, Section
     2.4, 2.5, Article III, Article IV, Article V and Section 7.5 shall survive
     the expiration or any earlier termination of this Agreement.

                                  ARTICLE VII
                               GENERAL PROVISIONS

7.1. Force Majeure. No party shall be held liable or responsible to the other
     party nor be deemed to have defaulted under or breached this Agreement for
     failure or delay in fulfilling or performing any term of the Agreement when
     such failure or delay is caused by or results from causes beyond the
     reasonable control of the affected parry including, but not limited to,
     fire, floods, embargoes, war, acts of war (whether war be declared or not),
     insurrections, riots, civil commotions, strikes, lockouts or other labor
     disturbances, acts of God or acts, omission or delays in acting by any
     governmental authority or the other party.

7.2. Binding Effect; Assignment. This Agreement shall be binding upon the
     parties' respective successors and permitted assigns. This Agreement may
     not be assigned or otherwise transferred, nor, except as expressly provided
     hereunder, may any right or obligation hereunder be assigned or
     transferred, by any of the parties without the consent of the other party;
     provided, however, that a party may, without such consent (a) assign the
     Agreement and its rights and obligations hereunder to an Affiliate or (b)
     assign its rights and obligations under this Agreement to any other party
     to whom it sells, transfers or assigns all or substantially all of the
     assets related to its Research or business. Any permitted assignee shall
     assume all the rights and obligations of its assignor under the Agreement.

7.3. Severability. If any one or more of the provisions contained in this
     Agreement is held invalid, illegal or unenforceable in any respect, the
     validity, legality and enforceability of the remaining provisions contained
     herein shall not in any way be affected or impaired thereby, unless the
     absence of the invalidated provision(s) adversely affects the substantive
     rights of the parties. The parties shall in such an instance use their best
     efforts to replace the invalid,

                                       7

<PAGE>   9

     illegal or unenforceable provision(s) with valid, legal and
     enforceable provision(s) which, insofar as practical, implement the
     purposes of this Agreement.

7.4. Notices. Notices under this Agreement shall be in writing and sufficient if
     delivered personally, sent by fax (and promptly confirmed by personal
     delivery, registered or certified mail or overnight courier), sent by
     nationally-recognized overnight courier or sent by registered or certified
     mail, postage prepaid, return receipt requested, addressed as follows:

                  If to OSI, to:

                  OSI Pharmaceuticals, Inc.
                  106 Charles Lindbergh Blvd.
                  Uniondale, NY 11553
                  Attn:    Chief Executive Officer
                  Fax:     516-745-6429

                  With a copy to:

                  Squadron, Ellenoff, Plesent and Sheinfeld, LLP
                  551 5th Avenue
                  New York,  NY 10176
                  Attn:    Barbara A. Wood, Esq.
                  Fax:     212-697-6686

                  If to Merck, to:

                  Merck & Co., Inc.
                  One Merck Drive
                  P.O. Box 100
                  Whitehouse Station, NJ 08889-0100
                  Attention: Office of the Secretary
                  Fax:     908-735-1246

                  With a copy to:

                  Attention: Office of Assistant General Counsel,
                  Licensing/MRL
                  Fax:     908-735-1226

                  If to Merck and Company, Incorporated to:

                  Merck and Company, Incorporated
                  The Delaware Trust Bldg., Suite 1269
                  902 North Market Street
                  Wilmington, Delaware 19801

                                        8

<PAGE>   10

                  With a copy to:

                  Merck & Co., Inc. at the address set forth above

         or to such other address as the party to whom notice is to be given may
         have furnished to the other parties in writing in accordance herewith.
         Any such communication shall be deemed to have been given when
         delivered if personally delivered or sent by fax on a business day, on
         the business day after dispatch if sent by nationally-recognized
         overnight courier and on the third business day following the date of
         mailing if sent by registered or certified mail.

7.5. Applicable Law. This Agreement shall be governed by and construed in
     accordance with the laws of the State of New Jersey and the patent laws of
     the United States without reference to any rules of conflict of laws.

7.6. Entire Agreement. This Agreement contains the entire understanding of the
     parties with respect to the Merck Patents and the OSI Patents. All express
     or implied agreements and understandings with respect to the Merck Patents
     and the OSI Patents, either oral or written, are expressly merged in and
     made a part of this Agreement. This Agreement may be amended, or any term
     hereof modified, only by a written instrument duly executed by the parties
     hereto.

7.7. Headings. The captions to the several Articles and Sections hereof are not
     a part of the Agreement, but are merely guides or labels to assist in
     locating and reading the several Articles and Sections hereof.

7.8. Counterparts. This Agreement may be executed in two or more counterparts,
     each of which shall be deemed an original and all of which together shall
     constitute one and the same instrument.

         IN WITNESS WHEREOF, the parties have executed this Agreement as of the
date first set forth above.

MERCK & CO., INC.                           OSI PHARMACEUTICALS, INC.

BY: /s/ROGER M. PERLMUTTER                  BY: /s/GEOFFREY COOPER
    -------------------------                     --------------------

Name: Dr. Roger M. Perlmutter               Name: Geoffrey Cooper
      -----------------------                     --------------------
Title: Ex. V.P., WW Basic Res. and          Title: Vice President, Business
        Preclinical Dev.                            Business Development
Date: 6/8/00                                        May 17th, 2000

MERCK AND COMPANY, INCORPORATED

BY: /s/JUDY C. LEWENT
    ----------------------
Name: Judy C. Lewent
      --------------------

Title: Vice President - Finance

                                       9
<PAGE>   11

                                    EXHIBIT A

                              OSI LICENSED PATENTS

--------------------------------------------------------------------------------
 COUNTRY      APPLICATION NO.    FILING DATE    PATENT NO.      ISSUE DATE
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US          08/458,691         6/02/95      5,776,502        7/07/98
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US          08/267,834         6/28/94      5,665,543        9/09/97
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US          07/832,905         2/07/92      5,580,722        12/3/96
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US           26134C3A          7/18/96       allowed         11/2/99
                                                5,976,793
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US           26134C3B          l/06/97      5,863,733        1/26/99
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US           26134C3C          1/06/97
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US            26134HA          8/15/96      5,846,720        12/8/98
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US            26134H2          6/05/95
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US           26134122          3/25/98
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US            26134G1          6/07/94
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US           26134G1Z          6/05/95
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US           2613412Y          6/05/95
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
    US           26134C3AA         7/28/98
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
   EPO          90911558.6         7/18/90
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
  Japan          02-511061         7/18/90       4506902
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
  Canada        2,063,822-2        7/18/90
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
 S. Korea       700119/1992        7/18/90       allowed
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Australia         660405           7/18/90        660405         10/16/95
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Australia          61400           7/18/90        61400
--------------------------------------------------------------------------------

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