<PAGE>

                                                                   Exhibit 10.21

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

                                                                  EXECUTION COPY

                                 PARENT GUARANTY

         This PARENT GUARANTY, dated as of December 19, 2003, is entered into by
FORTIS N.V., a public company with limited liability (naamloze vennootschap)
incorporated under the laws of The Netherlands having its statutory seat
(statutaire zetel) at Utrecht, The Netherlands and registered with the Chamber
of Commerce in Utrecht under number 30072145 ("Fortis N.V.") and FORTIS SA/NV, a
public company with limited liability (societe anonyme/naamloze vennootschap)
incorporated in Belgium and registered with the register of legal persons
(rechtspersonenregister), Brussels, under company number 0451406524 (formerly
registered with the Brussels Trade Register under No. 577.615 ("Fortis SA/NV",
and together with Fortis N.V., each, a "Guarantor" and collectively the
"Guarantors"), in favor and for the benefit of MORGAN STANLEY SENIOR FUNDING,
INC. ("MSSF"), as Administrative Agent for and representative of (in such
capacity herein called "Guaranteed Party") the Lenders (as hereinafter defined).

                                    RECITALS

         WHEREAS, FORTIS, INC., a Nevada corporation ("Fortis US"), MSSF (in
each of its respective capacities as Bookrunner, Lead Arranger and
Administrative Agent), Merrill Lynch Capital Corp., as Syndication Agent ("ML"),
Credit Suisse First Boston (acting through its Cayman Islands branch), as
Documentation Agent ("CSFB", and collectively with each of MSSF, ML and any
other financial institution from time to time parties thereto, the "Lenders")
have entered into a Credit Agreement of even date herewith (as it may be
amended, supplemented or otherwise modified from time to time, the "Credit
Agreement") pursuant to which the Lenders have made certain commitments, subject
to the terms and conditions set forth in the Credit Agreement, to extend certain
term loans to Borrower;

         WHEREAS, it is a condition precedent to the making of a Loan under the
Credit Agreement that the Borrower's obligations thereunder be guaranteed by the
Guarantors; and

         WHEREAS, the Guarantors are willing irrevocably and unconditionally to
guaranty such obligations of Borrower.

         NOW, THEREFORE, in consideration of the premises and to induce the
Lenders to enter into the Credit Agreement and to make their respective loans to
the Borrower and for other good and valuable consideration, the receipt and
adequacy of which are hereby acknowledged, the Guarantors hereby agree as
follows:

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                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

SECTION 1. DEFINITIONS

         1.1      Certain Defined Terms. Capitalized terms used herein,
including in the preamble and the recitals hereto, not otherwise defined herein
shall have the meanings ascribed thereto in the Credit Agreement. All defined
terms included in any provisions of the Existing Parent Facility which are
incorporated by reference into this Guaranty shall have the meanings as included
in the Existing Parent Facility unless otherwise provided herein. In addition,
the following terms shall have the following meanings:

         "Acceleration" shall mean any of the Obligations have been declared, or
have become, immediately due and payable, or the commitments to extend credit of
the Lenders shall have been terminated in accordance with the Credit Agreement.

         "Act" as defined in Section 3.10(d).

         "Aggregate Payments" as defined in Section 2.2.

         "Beneficiary" means either the Guaranteed Party or each Lender, and
"Beneficiaries" means the Guaranteed Party and each Lender, collectively.

         "Borrower" means Fortis US and its permitted successors and assigns in
accordance with the terms of the Credit Agreement, including Assurant.

         "Contributing Guarantors" as defined in Section 2.2.

         "Credit Extension" means the making of a Loan or other extension of
credit under the Credit Agreement.

         "Deposit Account" means a demand, time, savings, passbook or like
account with a bank, savings and loan association, credit union or like
organization, other than an account evidenced by a negotiable certificate of
deposit.

         "Existing Parent Facility" means that certain EUR2,000,000,000
Multicurrency Revolving Credit Agreement, dated June 28, 1999, by and among,
Fortis Finance N.V., as Borrower thereunder, Fortis N.V. and Fortis SA/NV as
Guarantors thereunder, and the other institutions party thereto, a copy of which
is attached hereto as Exhibit A, as the same may be amended, supplemented or
otherwise modified from time to time, in accordance with Section 2.7(g) herein.

         "Fair Share" as defined in Section 2.2.

         "Fair Share Contribution Amount" as defined in Section 2.2.

         "Foreign Taxes" as defined in Section 3.10(e).

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                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

         "Funding Guarantor" as defined in Section 2.2.

         "GAAP" means, with respect to each of the Guarantors, (i) generally
accepted accounting principles in Belgium or (ii) International Auditing
Standards/International Financial Reporting Standards ("IAS"), if the Guarantors
financial statements are prepared in accordance with IAS, in each case as in
effect from time to time.

         "Guaranteed Obligations" as defined in Section 2.1.

         "Guarantor Material Subsidiary" means any Subsidiary of a Guarantor if
either (i) such Subsidiary (and its Subsidiaries) have consolidated gross
revenues which exceed 5% of the gross revenues of the Guarantors and their
Subsidiaries on a consolidated basis or (ii) such Subsidiary (and its
Subsidiaries) have consolidated total assets which exceed 5% of the total assets
of the Guarantors and their Subsidiaries on a consolidated basis, such
calculation to be made on the basis of the most recent audited consolidated
financial statements for the Guarantors and their Subsidiaries and of such
Subsidiary.

         "Guaranty" means this Parent Guaranty dated as of the date hereof, as
it may be amended, supplemented or otherwise modified from time to time.

         "Material Adverse Effect" means a material adverse effect upon (i) the
business, operations, properties, assets, condition (financial or otherwise) or
prospects of the Guarantors and their Subsidiaries, taken as a whole, (ii) the
ability of the Borrower or either of the Guarantors to perform, respectively,
any of the Obligations of the Borrower or the obligations of either of the
Guarantors under the Guaranty or (iii) the legality, validity, binding effect or
enforceability against the Borrower or either of the Guarantors of a Loan
Document to which it is a party.

         "Obligee Guarantor" as defined in Section 2.9.

         "Other Guaranty" means that certain Parent Guaranty, dated as of the
date hereof, from Fortis N.V. and Fortis SA/NV in favor and for the benefit of
Bank One, NA, as Guaranteed Party, as the same may be amended, supplemented or
otherwise modified from time to time.

         "payment in full", "paid in full" or any similar term means payment in
full of the Guaranteed Obligations (other than inchoate indemnification
obligations with respect to claims, losses or liabilities which have not yet
arisen and are not yet due and payable), including without limitation all
principal, interest, costs, fees and expenses (including, without limitation,
reasonable legal fees and expenses) of the Beneficiaries as required under the
Loan Documents.

         1.2      Interpretation. References to "Sections" shall be to Sections
and subsections, respectively, of this Guaranty unless otherwise specifically
provided. References to "Clauses" in the context of the Existing Parent Facility
shall be interpreted equivalently to similar references to "Sections" and
subsections herein.

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                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

SECTION 2. THE GUARANTY

         2.1      Guaranty of the Obligations. Subject to the provisions of
Section 2.2, the Guarantors hereby jointly and severally irrevocably and
unconditionally guaranty to the Guaranteed Party for the ratable benefit of the
Beneficiaries the due and punctual payment in full of all Obligations when the
same shall become due, whether at stated maturity, by required prepayment,
declaration, acceleration, demand or otherwise (including amounts that would
become due but for the operation of the automatic stay under Section 362(a) of
the Bankruptcy Code) (collectively, the "Guaranteed Obligations").

         2.2      Contribution by Guarantor. The Guarantors desire to allocate
among themselves (collectively, the "Contributing Guarantors"), in a fair and
equitable manner, their obligations arising under this Guaranty. Accordingly, in
the event any payment or distribution is made on any date by a Guarantor (a
"Funding Guarantor") under this Guaranty such that its Aggregate Payments
exceeds its Fair Share as of such date, such Funding Guarantor shall be entitled
to a contribution from each of the other Contributing Guarantors in an amount
sufficient to cause each Contributing Guarantor's Aggregate Payments to equal
its Fair Share as of such date. "Fair Share" means, with respect to a
Contributing Guarantor as of any date of determination, an amount equal to (a)
the ratio of (i) the Fair Share Contribution Amount with respect to such
Contributing Guarantor to (ii) the aggregate of the Fair Share Contribution
Amounts with respect to all Contributing Guarantors multiplied by (b) the
aggregate amount paid or distributed on or before such date by all Funding
Guarantors under this Guaranty in respect of the obligations Guaranteed. "Fair
Share Contribution Amount" means, with respect to a Contributing Guarantor as of
any date of determination, the maximum aggregate amount of the obligations of
such Contributing Guarantor under this Guaranty that would not render its
obligations hereunder or thereunder subject to avoidance as a fraudulent
transfer or conveyance under Section 548 of the Bankruptcy Code or any
comparable applicable provisions of applicable law; provided, solely for
purposes of calculating the "Fair Share Contribution Amount" with respect to any
Contributing Guarantor for purposes of this Section 2.2, any assets or
liabilities of such Contributing Guarantor arising by virtue of any rights to
subrogation, reimbursement or indemnification or any rights to or obligations of
contribution hereunder shall not be considered as assets or liabilities of such
Contributing Guarantor. "Aggregate Payments" means, with respect to a
Contributing Guarantor as of any date of determination, an amount equal to (1)
the aggregate amount of all payments and distributions made on or before such
date by such Contributing Guarantor in respect of this Guaranty (including,
without limitation, in respect of this Section 2.2), minus (2) the aggregate
amount of all payments received on or before such date by such Contributing
Guarantor from the other Contributing Guarantors as contributions under this
Section 2.2. The amounts payable as contributions hereunder shall be determined
as of the date on which the related payment or distribution is made by the
applicable Funding Guarantor. The allocation among Contributing Guarantors of
their obligations as set forth in this Section 2.2 shall not be construed in

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                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

any way to limit the liability of any Contributing Guarantor hereunder. Each
Guarantor is a third party beneficiary to the contribution agreement set forth
in this Section 2.2.

         2.3      Payment by Guarantor. Subject to Section 2.2, the Guarantors
hereby jointly and severally agree, in furtherance of the foregoing and not in
limitation of any other right which any Beneficiary may have at law or in equity
against any Guarantor by virtue hereof, that upon the failure of Borrower to pay
any of the Guaranteed Obligations when and as the same shall become due, whether
at stated maturity, by required prepayment, declaration, acceleration, demand or
otherwise (including amounts that would become due but for the operation of the
automatic stay under Section 362(a) of the Bankruptcy Code), the Guarantors will
upon demand pay, or cause to be paid, in Cash, to the Guaranteed Party for the
ratable benefit of the Beneficiaries, an amount equal to the sum of the unpaid
principal amount of all Guaranteed Obligations then due as aforesaid, accrued
and unpaid interest on such Guaranteed Obligations (including interest which,
but for Borrower's becoming the subject of a case under the Bankruptcy Code,
would have accrued on such Guaranteed Obligations, whether or not a claim is
allowed against Borrower for such interest in the related bankruptcy case) and
all other Guaranteed Obligations then owed to the Beneficiaries as aforesaid.

         2.4      Liability of Guarantor Absolute. Each Guarantor agrees that
its obligations hereunder are irrevocable, absolute, independent and
unconditional and shall not be affected by any circumstance which constitutes a
legal or equitable discharge of a guarantor or surety other than payment in full
of the Guaranteed Obligations. In furtherance of the foregoing and without
limiting the generality thereof, each Guarantor agrees as follows:

                  (a)      this Guaranty is a guaranty of payment when due and
not of collectability; this Guaranty is a primary obligation of each Guarantor
and not merely a contract of surety;

                  (b)      the Guaranteed Party may enforce this Guaranty upon
the occurrence of an Event of Default notwithstanding the existence of any
dispute between the Borrower and any Beneficiary with respect to the existence
of such Event of Default;

                  (c)      the obligations of each Guarantor hereunder are
independent of the obligations of Borrower and the obligations of any other
guarantor (including any other Guarantor) of the obligations of Borrower, and a
separate action or actions may be brought and prosecuted against such Guarantor
whether or not any action is brought against Borrower or any of such other
guarantors and whether or not Borrower is joined in any such action or actions;

                  (d)      payment by any Guarantor of a portion, but not all,
of the Guaranteed Obligations shall in no way limit, affect, modify or abridge
any Guarantor's liability for any portion of the Guaranteed Obligations which
has not been paid. Without limiting the generality of the foregoing, if the
Administrative Agent is awarded a judgment in any suit brought to enforce any
Guarantor's covenant to pay a portion of the

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                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

Guaranteed Obligations, such judgment shall not be deemed to release such
Guarantor from its covenant to pay the portion of the Guaranteed Obligations
that is not the subject of such suit, and such judgment shall not, except to the
extent satisfied by such Guarantor, limit, affect, modify or abridge any other
Guarantor's liability hereunder in respect of the Guaranteed Obligations;

                  (e)      any Beneficiary, upon such terms as it deems
appropriate, without notice or demand and without affecting the validity or
enforceability hereof or giving rise to any reduction, limitation, impairment,
discharge or termination of any Guarantor's liability hereunder, from time to
time may (i) renew, extend, accelerate, increase the rate of interest on, or
otherwise change the time, place, manner or terms of payment of the Guaranteed
Obligations (subject, in each case (to the extent applicable), to compliance
with the proviso at the end of this Section 2.4(e)); (ii) settle, compromise,
release or discharge, or accept or refuse any offer of performance with respect
to, or substitutions for, the Guaranteed Obligations or any agreement relating
thereto and/or subordinate the payment of the same to the payment of any other
obligations; (iii) request and accept other guaranties of the Guaranteed
Obligations and take and hold security for the payment hereof or the Guaranteed
Obligations; (iv) release, surrender, exchange, substitute, compromise, settle,
rescind, waive, alter, subordinate or modify, with or without consideration, any
security for payment of the Guaranteed Obligations, any other guaranties of the
Guaranteed Obligations, or any other obligation of any Person (including any
other Guarantor) with respect to the Guaranteed Obligations; (v) enforce and
apply any security now or hereafter held by or for the benefit of such
Beneficiary in respect hereof or the Guaranteed Obligations and direct the order
or manner of sale thereof, or exercise any other right or remedy that such
Beneficiary may have against any such security, in each case as such Beneficiary
in its discretion may determine consistent herewith, including foreclosure on
any such security pursuant to one or more judicial or nonjudicial sales; and
(vi) exercise any other rights available to it under the Loan Documents;
provided, that, notwithstanding the foregoing, no Beneficiary may, without the
prior written consent of the Guarantors: (A) extend the scheduled final maturity
of the Guaranteed Obligations, (B) increase the rate of interest on the
Guaranteed Obligations or (C) increase the principal amount of the Guaranteed
Obligations; and

                  (f)      this Guaranty and the obligations of the Guarantors
hereunder shall be valid and enforceable and shall not be subject to any
reduction, limitation, impairment, discharge or termination for any reason
(other than payment in full of the Guaranteed Obligations), including the
occurrence of any of the following, whether or not any Guarantor shall have had
notice or knowledge of any of them: (i) any failure or omission to assert or
enforce or agreement or election not to assert or enforce, or the stay or
enjoining, by order of court, by operation of law or otherwise, of the exercise
or enforcement of, any claim or demand or any right, power or remedy (whether
arising under the Loan Documents, at law, in equity or otherwise) with respect
to the Guaranteed Obligations or any agreement relating thereto, or with respect
to any other guaranty of or security for the payment of the Guaranteed
Obligations; (ii) any rescission, waiver, amendment or modification of, or any
consent to departure from, any of the terms or provisions (including provisions
relating to events of default) hereof, any of the other

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                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

Loan Documents or any agreement or instrument executed pursuant thereto, or of
any of the Related Agreements, or of any other guaranty or security for the
Guaranteed Obligations, in each case (subject, to the extent applicable, to the
proviso at the end of Section 2.4(e)) whether or not in accordance with the
terms hereof or such Loan Document or any agreement relating to such other
guaranty or security; (iii) the Guaranteed Obligations, or any agreement
relating thereto, at any time being found to be illegal, invalid or
unenforceable in any respect; (iv) the application of payments received from any
source (other than payments received pursuant to the other Loan Documents or
from the proceeds of any security for the Guaranteed Obligations, except to the
extent such security also serves as collateral for indebtedness other than the
Guaranteed Obligations) to the payment of indebtedness other than the Guaranteed
Obligations, even though any Beneficiary might have elected to apply such
payment to any part or all of the Guaranteed Obligations; (v) any Beneficiary's
consent to the change, reorganization or termination of the corporate structure
or existence of the Borrower or any of its Subsidiaries and to any corresponding
restructuring of the Guaranteed Obligations; (vi) any failure to perfect or
continue perfection of a security interest, if any, in any collateral which
secures any of the Guaranteed Obligations; (vii) any defenses, set offs or
counterclaims which Borrower may allege or assert against any Beneficiary in
respect of the Guaranteed Obligations, including failure of consideration,
breach of warranty, payment, statute of frauds, statute of limitations, accord
and satisfaction and usury; and (viii) any other act or thing or omission, or
delay to do any other act or thing, which may or might in any manner or to any
extent vary the risk of any Guarantor as an obligor in respect of the Guaranteed
Obligations.

         2.5      Waivers by Guarantors. Each Guarantor hereby waives, to the
fullest extent permitted by applicable law, for the benefit of the
Beneficiaries:

                  (a)      any right to require any Beneficiary, as a condition
of payment or performance by such Guarantor, to (i) proceed against Borrower,
any other guarantor (including any other Guarantor) of the Guaranteed
Obligations or any other Person, (ii) proceed against or exhaust any security
held from Borrower, any such other guarantor or any other Person, (iii) proceed
against or have resort to any balance of any Deposit Account or credit on the
books of any Beneficiary in favor of Borrower or any other Person, or (iv)
pursue any other remedy in the power of any Beneficiary whatsoever;

                  (b)      any defense arising by reason of the incapacity, lack
of authority or any disability or other defense of Borrower or any other
Guarantor including any defense based on or arising out of the lack of validity
or the unenforceability of the Guaranteed Obligations or any agreement or
instrument relating thereto or by reason of the cessation of the liability of
Borrower or any other Guarantor from any cause other than payment in full of the
Guaranteed Obligations;

                  (c)      any defense based upon any statute or rule of law
which provides that the obligation of a surety must be neither larger in amount
nor in other respects more burdensome than that of the principal;

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                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

                  (d)      any defense based upon any Beneficiary's errors or
omissions in the administration of the Guaranteed Obligations, except behavior
which amounts to gross negligence or willful misconduct;

                  (e)      (i) any principles or provisions of law, statutory or
otherwise, which are or might be in conflict with the terms hereof and any legal
or equitable discharge of such Guarantor's obligations hereunder, (ii) the
benefit of any statute of limitations affecting such Guarantor's liability
hereunder or the enforcement hereof, (iii) any rights to set offs, recoupments
and counterclaims, and (iv) promptness, diligence and any requirement that any
Beneficiary protect, secure, perfect or insure any security interest or lien or
any property subject thereto;

                  (f)      except for notices of the changes described in the
proviso at the end of Section 2.4(e), notices, demands, presentments, protests,
notices of protest, notices of dishonor and notices of any action or inaction,
including acceptance hereof, notices of default hereunder, notices of any
renewal, extension or modification of the Guaranteed Obligations or any
agreement related thereto or any Related Agreement, notices of any extension of
credit to Borrower and notices of any of the matters referred to in Section 2.4
and any right to consent to any thereof; and

                  (g)      any defenses or benefits that may be derived from or
afforded by law which limit the liability of or exonerate guarantors or
sureties, or which may conflict with the terms hereof.

         2.6      Guarantor Representations. In order to induce (i) the Lenders
to enter into the Credit Agreement and to make the Loans pursuant thereto and
(ii) the Guaranteed Party to enter into this Guaranty, each Guarantor represents
and warrants to the Beneficiaries that the following statements are true and
correct:

                  (a)      Organization and Powers. Each Guarantor is duly
organized and validly existing under the laws of its jurisdiction of
organization. Each Guarantor has all requisite power and authority to own, lease
and operate its properties, to carry on its business as now conducted and as
proposed to be conducted, to enter into this Guaranty and any Loan Documents or
Related Agreements to which it is a party and to carry out the transactions
contemplated thereby.

                  (b)      Authorization of Guaranty. The execution, delivery
and performance by each Guarantor of this Guaranty and any other Loan Document
or Related Agreement to which it is a party have been duly authorized by all
necessary action on the part of such Guarantor.

                  (c)      No Conflict. The execution, delivery and performance
by each Guarantor of this Guaranty and the Other Guaranty and the consummation
of the transactions contemplated by this Guaranty and the Other Guaranty, do not
and will not (i) violate any provision of any law or any governmental rule or
regulation applicable to each such Guarantor, or any of the Organizational
Documents of such Guarantor, (ii)

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                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

violate any order, judgment or decree of any court or other agency of government
binding on such Guarantor, except to the extent such violation could not be
reasonably expected to have a Material Adverse Effect, (iii) conflict with,
result in a breach of or constitute (with due notice or lapse of time or both) a
default under any agreement to which such Guarantor is a party or which is
binding on it or any of its assets, except to the extent such conflict, breach
or default could not reasonably be expected to have a Material Adverse Effect,
(iv) result in or require the creation or imposition of any Lien upon any of the
properties or assets of such Guarantor, or (v) require any approval of
stockholders, partners or members or any approval or consent of any Person under
any Contractual Obligation of such Guarantor, except for such approvals or
consents which will be obtained on or before the Closing Date.

                  (d)      Government Consents. The execution, delivery and
performance by each Guarantor of this Guaranty and the Other Guaranty and the
consummation of the transactions contemplated by this Guaranty and the Other
Guaranty do not and will not require any registration with, consent or approval
of, or notice to, or other action to, with or by, any Governmental Authority.

                  (e)      Binding Obligation. This Guaranty and the Other
Guaranty has been duly executed and delivered by each such Guarantor and is the
legally valid and binding obligation of such Guarantor, enforceable against such
Guarantor in accordance with its respective terms, except as may be limited by
bankruptcy, insolvency, reorganization, moratorium or similar laws relating to
or limiting creditors' rights generally or by equitable principles relating to
enforceability.

                  (f)      No Material Adverse Change. Since December 31, 2002,
no event or change has occurred that has caused or evidences, or would
reasonably be expected to have, either individually or in the aggregate, a
Material Adverse Effect.

                  (g)      No Restrictions on Guarantor Contribution. There are
no restrictions under any Contractual Obligation to which any Guarantor is a
party that would prohibit or otherwise prevent such Guarantor from making the
Guarantor Contribution (as such term is defined in the Credit Agreement).

                  (h)      Incorporation by Reference. The copy of the Existing
Parent Facility attached hereto as Exhibit A is true and correct, and has not
been amended, supplemented or otherwise modified. Each Guarantor hereby makes
each of the representations and warranties contained in Clauses 14.5 through
14.8, inclusive, Clause 14.10, and Clauses 14.12 through 14.16, inclusive, of
the Existing Parent Facility, which Clauses, together with all definitions in
the Existing Parent Facility applicable to such Clauses, are hereby incorporated
by reference as if set forth herein in their entirety, provided that, (i) all
references to "Obligor" therein shall mean and be a reference to each
"Guarantor" herein, (ii) all references to the "Agent" therein shall mean and be
a reference to the "Guaranteed Party" herein, (iii) all references to "Material
Adverse Effect" therein shall mean and be a reference to "Material Adverse
Effect" as defined herein, (iv) all references to "Material Subsidiary" therein
shall mean and be a reference

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                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

to "Guarantor Material Subsidiary" as defined herein, (v) all references to
"subsidiary" therein shall mean and be a reference to "Subsidiary" as defined
herein, and (vi) all references to "this Agreement", "herein", "hereunder" and
words of similar import therein shall mean and be a reference to this Guaranty.
No amendment, modification or supplement to such representations or warranties
or definitions made to the Existing Parent Facility shall be effective to amend
such representations and warranties or definitions as incorporated by reference
herein except as otherwise provided in Section 2.7(g) of this Guaranty.

         2.7      Guarantor Covenants. Each Guarantor covenants and agrees that
on and after the date hereof and until the Commitments have terminated and the
Loans and Notes, together with interest and any fees thereunder, and all
Guaranteed Obligations are paid in full:

                  (a)      Existence. Each Guarantor will, and will cause each
of the Guarantor Material Subsidiaries to, at all times preserve and keep in
full force and effect its existence and all rights, privileges, licenses and
franchises material to its business; provided, that neither Guarantor nor any of
their respective Guarantor Material Subsidiaries shall be required to preserve
any such right, privilege, license or franchise if the Guarantor's board of
directors (or similar governing body) shall determine that the preservation
thereof is no longer desirable in the conduct of the Guarantor's business taken
as a whole, and that the loss thereof is not disadvantageous in any material
respect to such Guarantor, the Borrower or the Lenders.

                  (b)      Payment of Taxes and Claims. Each Guarantor will, and
will cause each of the Guarantor Material Subsidiaries to, pay all Taxes imposed
upon it or any of its properties or assets or in respect of any of its income,
businesses or franchises before any penalty or fine accrues thereon, and all
claims (including claims for labor, services, materials and supplies) for sums
that have become due and payable and that by law have or may become a Lien upon
any of its properties or assets, prior to the time when any penalty or fine
shall be incurred with respect thereto; provided, no such Tax or claim need be
paid if it is being contested in good faith by appropriate proceedings and
adequate reserve or other appropriate provision, as shall be required in
conformity with GAAP, shall have been made therefor.

                  (c)      Compliance with Laws. Each Guarantor will, and will
cause each of its Subsidiaries to, comply with the requirements of all
applicable laws, rules, regulations and orders of any Governmental Authority
(including all Environmental Laws), noncompliance with which could reasonably be
expected to have, individually or in the aggregate, a Material Adverse Effect.

                  (d)      Guarantor Contribution; Assignees. The Guarantors
shall make the Guarantor Contribution (as such term is defined in the Credit
Agreement) on or prior to the day on which the Assurant IPO occurs.

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                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

         (e)      Claims Pari Passu. Each Guarantor shall ensure that at all
times the claims of the Beneficiaries under this Guaranty rank at least pari
passu with the claims of all of such Guarantor's other senior unsecured
creditors, except those creditors whose claims are preferred by bankruptcy,
insolvency, reorganization, moratorium or other similar laws relating to or
limiting creditors' rights generally.

         (f)      Notice of Default. Each Guarantor will promptly inform the
Guaranteed Party of the occurrence of any default in the performance of or
compliance with any term contained under this Guaranty, or any event which would
constitute an Event of Default under Section 7.5(ii) of the Credit Agreement.

         (g)      Incorporation by Reference. Each Guarantor will comply with
each of the covenants contained in Clauses 15.1 through 15.5, inclusive, Clause
16.1, Clause 16.2, Clauses 16.4 through 16.7, inclusive, and Clause 16.10, which
such Clauses, together with all definitions in the Existing Parent Facility
applicable to such Clauses, are hereby incorporated by reference as if set forth
herein in their entirety, provided that:

                  (i)      all references to each "Obligor" therein shall mean
                           and be a reference to each "Guarantor" herein;

                  (ii)     all references to "Finance Parties" therein shall
                           mean and be a reference to "Beneficiaries" herein;

                  (iii)    all references to the "Agent" therein shall mean and
                           be a reference to the "Guaranteed Party" herein;

                  (iv)     all references to the "Lead Arrangers" and "Banks"
                           therein shall mean and be a reference to "Lenders"
                           herein;

                  (v)      all references to "this Agreement", "herein",
                           "hereunder" and words of similar import therein shall
                           mean and be a reference to this Guaranty;

                  (vi)     all references to "Instructing Group" therein shall
                           mean and be a reference to "Requisite Lenders"
                           herein;

                  (vii)    all references to "Material Adverse Effect" therein
                           shall mean and be a reference to "Material Adverse
                           Effect" as defined herein;

                  (viii)   all references to "Material Subsidiary" therein shall
                           mean and be a reference to "Guarantor Material
                           Subsidiary" as defined herein;

                  (ix)     all references to "subsidiary" therein shall mean and
                           be a reference to "Subsidiary" as defined herein; and

                  (x)      Clause 16.5 (Negative Pledge) of the Existing Parent
                           Facility as incorporated herein by reference shall be
                           deemed to have the phrase "provided, however, that,
                           other than any Encumbrance

                                       11
<PAGE>

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

                           permitted pursuant to clauses (a) through (f),
                           inclusive, of the definition of "Permitted
                           Encumbrance," all obligations of the Guarantors under
                           this Guaranty shall be secured equally and ratably
                           with the other obligations secured by any such
                           Encumbrance on terms reasonably satisfactory to the
                           Guaranteed Party and the Requisite Lenders" inserted
                           at the end of the first sentence thereof immediately
                           after the phrase "other than a Permitted
                           Encumbrance," appearing therein.

No amendment, modification or supplement to such covenants or definitions made
to the Existing Parent Facility, or the termination, refinancing or replacement
of the Existing Parent Facility, shall be effective to amend such covenants or
definitions as incorporated by reference herein without the prior consent of the
Beneficiaries in accordance with Section 3.4; provided, however, that the
provisions of Section 2.6(h) hereof and this Section 2.7(g) will be deemed
modified (without the consent of any Person) to the extent necessary to
incorporate by reference any respective amendment, modification or supplement to
the Existing Parent Facility which contains terms and provisions more favorable
to the Beneficiaries. In connection with any amendment, modification or
supplement to the Existing Parent Facility which will be incorporated herein by
reference, the Lenders hereby authorize the Guaranteed Party to enter into an
appropriate amendment to this Guaranty to reflect such amendment, modification
or supplement.

         2.8      Guarantors' Rights of Subrogation, Contribution, etc. Until
the Guaranteed Obligations shall have been paid in full and the Commitments
shall have terminated, each Guarantor hereby waives any claim, right or remedy,
direct or indirect, that such Guarantor now has or may hereafter have against
Borrower or any other Guarantor or any of its assets in connection with this
Guaranty or the performance by such Guarantor of its obligations hereunder, in
each case whether such claim, right or remedy arises in equity, under contract,
by statute, under common law or otherwise and including without limitation (a)
any right of subrogation, reimbursement or indemnification that such Guarantor
now has or may hereafter have against Borrower with respect to the Guaranteed
Obligations, (b) any right to enforce, or to participate in, any claim, right or
remedy that any Beneficiary now has or may hereafter have against Borrower, and
(c) any benefit of, and any right to participate in, any collateral or security
now or hereafter held by any Beneficiary. In addition, until the Guaranteed
Obligations shall have been paid in full and the Commitments shall have
terminated each Guarantor shall withhold exercise of any right of contribution
such Guarantor may have against any other guarantor (including any other
Guarantor) of the Guaranteed Obligations, including, without limitation, any
such right of contribution as contemplated by Section 2.2. Each Guarantor
further agrees that, to the extent the waiver or agreement to withhold the
exercise of its rights of subrogation, reimbursement, indemnification and
contribution as set forth herein is found by a court of competent jurisdiction
to be void or voidable for any reason, any rights of subrogation, reimbursement
or indemnification such Guarantor may have against Borrower or against any
collateral or security, and any rights of contribution such Guarantor may have
against any such other guarantor, shall be junior and subordinate to any rights
any Beneficiary may have against Borrower, to all right, title and interest any
Beneficiary may have in any such collateral or security, and to any

                                       12
<PAGE>

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

right any Beneficiary may have against such other guarantor. If any amount shall
be paid to any Guarantor on account of any such subrogation, reimbursement,
indemnification or contribution rights at any time when all Guaranteed
Obligations shall not have been finally and indefeasibly paid in full, such
amount shall be held in trust for the Guaranteed Party on behalf of the
Beneficiaries and shall forthwith be paid over to the Guaranteed Party for the
benefit of the Beneficiaries to be credited and applied against the Guaranteed
Obligations, whether matured or unmatured, in accordance with the terms hereof.

         2.9      Subordination of Other Obligations. Until such time that the
Guaranteed Obligations shall have been paid in full and the Commitments shall
have terminated, any Indebtedness of Borrower or any Guarantor now or hereafter
held by any Guarantor (the "Obligee Guarantor") is hereby subordinated in right
of payment to the Guaranteed Obligations (including, without limitation, the
Existing Intercompany Obligations and any Indebtedness incurred under Section
6.2(v) of the Credit Agreement), and any such indebtedness collected or received
by the Obligee Guarantor after a Potential Event of Default or an Event of
Default has occurred and is continuing shall be held in trust for the
Administrative Agent on behalf of the Beneficiaries and shall forthwith be paid
over to the Administrative Agent for the benefit of the Beneficiaries to be
credited and applied against the Guaranteed Obligations but without affecting,
impairing or limiting in any manner the liability of the Obligee Guarantor under
any other provision hereof.

         2.10     Expenses. Each Guarantor agrees to pay, or cause to be paid,
promptly upon written demand, and to save the Beneficiaries harmless against
liability for, any and all reasonable costs and reasonable expenses (including
reasonable fees and reasonable disbursements of counsel) incurred or expended by
any Beneficiary in connection with the enforcement of or preservation of any
rights under this Guaranty.

         2.11     Continuing Guaranty. This Guaranty is a continuing guaranty
and shall remain in effect until all of the Guaranteed Obligations shall have
been paid in full and the Commitments shall have terminated. Each Guarantor
hereby irrevocably waives any right to revoke this Guaranty as to future
transactions giving rise to any Guaranteed Obligations.

         2.12     Authority of Guarantors or Borrower. It is not necessary for
any Beneficiary to inquire into the capacity or powers of any Guarantor or
Borrower or the officers, directors or any agents acting or purporting to act on
behalf of any of them.

         2.13     Financial Condition of Borrower. Any Credit Extension may be
made to Borrower or continued from time to time without notice to or
authorization from any Guarantor regardless of the financial or other condition
of Borrower at the time of any such grant or continuation. No Beneficiary shall
have any obligation to disclose or discuss with any Guarantor its assessment, or
any Guarantor's assessment, of the financial condition of Borrower. Each
Guarantor has adequate means to obtain information from Borrower on a continuing
basis concerning the financial condition of Borrower and its ability to perform
its obligations under the Loan Documents, and each Guarantor assumes

                                       13
<PAGE>

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

the responsibility for being and keeping informed of the financial condition of
Borrower and of all circumstances bearing upon the risk of nonpayment of the
Guaranteed Obligations. Each Guarantor hereby waives and relinquishes any duty
on the part of any Beneficiary to disclose any matter, fact or thing relating to
the business, operations or conditions of Borrower now known or hereafter known
by any Beneficiary.

         2.14     Failure or Indulgence Not Waiver; Remedies Cumulative. No
failure or delay on the part of any Beneficiary in the exercise of any power,
right or privilege hereunder or under any other Loan Document shall impair such
power, right or privilege or be construed to be a waiver of any default or
acquiescence therein, nor shall any single or partial exercise of any such
power, right or privilege preclude other or further exercise thereof or of any
other power, right or privilege. All rights and remedies existing under this
Guaranty and the other Loan Documents are cumulative to, and not exclusive of,
any rights or remedies otherwise available.

         2.15     Bankruptcy.

                  (a)      Until such time that the Guaranteed Obligations shall
have been paid in full and the Commitments shall have terminated, no Guarantor
shall, without the prior written consent of the Guaranteed Party acting pursuant
to the instructions of the Requisite Lenders, commence or join with any other
Person in commencing any bankruptcy, reorganization or insolvency case or
proceeding of or against Borrower or any other Guarantor. The obligations of
Guarantors hereunder shall not be reduced, limited, impaired, discharged,
deferred, suspended or terminated by any case or proceeding, voluntary or
involuntary, involving the bankruptcy, insolvency, receivership, reorganization,
liquidation or arrangement of Borrower or any other Guarantor or by any defense
which Borrower or any other Guarantor may have by reason of the order, decree or
decision of any court or administrative body resulting from any such proceeding.

         (b)      Each Guarantor acknowledges and agrees that any interest on
any portion of the Guaranteed Obligations which accrues after the commencement
of any case or proceeding referred to in clause (a) above (or, if interest on
any portion of the Guaranteed Obligations ceases to accrue by operation of law
by reason of the commencement of such case or proceeding, such interest as would
have accrued on such portion of the Guaranteed Obligations if such case or
proceeding had not been commenced) shall be included in the Guaranteed
Obligations because it is the intention of each of the Guarantors and the
Beneficiaries that the Guaranteed Obligations which are guaranteed by the
Guarantors pursuant hereto should be determined without regard to any rule of
law or order which may relieve Borrower of any portion of such Guaranteed
Obligations. Each of the Guarantors will permit any trustee in bankruptcy,
receiver, debtor in possession, assignee for the benefit of creditors or similar
person to pay the Guaranteed Party, or allow the claim of the Guaranteed Party
in respect of, any such interest accruing after the date on which such case or
proceeding is commenced.

         (c)      In the event that all or any portion of the Guaranteed
Obligations are paid by Borrower, the obligations of each of the Guarantors
hereunder shall continue and remain

                                       14
<PAGE>

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

in full force and effect or be reinstated, as the case may be, in the event that
all or any part of such payment(s) are rescinded or recovered directly or
indirectly from any Beneficiary as a preference, fraudulent transfer or
otherwise, and any such payments which are so rescinded or recovered shall
constitute Guaranteed Obligations for all purposes hereunder.

         2.16     Set Off. In addition to any rights now or hereafter granted
under applicable law and not by way of limitation of any such rights, upon the
occurrence and during the continuance of any Event of Default, each Beneficiary
is hereby authorized by each Guarantor at any time or from time to time subject
to the consent of the Guaranteed Party (such consent not to be unreasonably
withheld or delayed), without notice to either Guarantor or to any other Person
(other than the Guaranteed Party), any such notice being hereby expressly
waived, to set off and to appropriate and to apply any and all deposits (general
or special, including any Indebtedness evidenced by certificates of deposit,
whether matured or unmatured, but not including trust accounts) and any other
Indebtedness at any time held or owing by such Beneficiary, to or for the credit
or the account of such Guarantor against and on account of any obligations and
liabilities of such Guarantor to such Beneficiary under this Guaranty and the
other Loan Documents which are then due and payable, including all claims of any
nature or description arising out of or connected with this Guaranty or any
other Loan Document, irrespective of whether or not (i) such Beneficiary shall
have made any demand hereunder or (ii) an Acceleration has occurred, and
although said obligations and liabilities, or any of them, may be unmatured.

SECTION 3. MISCELLANEOUS

         3.1      Survival of Warranties. All agreements, representations and
warranties made herein shall survive the execution and delivery of this Guaranty
and the other Loan Documents and any increase or decrease in the Commitments
under the Credit Agreement.

         3.2      Notices. All notices and other communications provided for
hereunder between any Beneficiary and either Guarantor shall be in writing
(including telecopier or electronic mail) and mailed, sent by overnight courier,
telecopied, e-mailed, or delivered to, in the case of each of the Guarantors and
the Guaranteed Party, at its address set forth on the signature pages hereto,
and in the case of any other Beneficiary, at its addresses as set forth in the
Credit Agreement, or, as to each party, at such other address or to such other
person as shall be designated by such party in a written notice to all other
parties. Any notice, request or demand to or upon the Guaranteed Party or either
Guarantor shall not be effective until received.

         3.3      Severability of Provisions. Any provision of this Guaranty
which is prohibited or unenforceable in any jurisdiction shall, as to such
jurisdiction, be ineffective to the extent of such prohibition or
unenforceability without invalidating the remaining

                                       15
<PAGE>

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

provisions hereof or affecting the validity or enforceability of such provision
in any other jurisdiction.

         3.4      Amendments and Waivers. No amendment, modification,
termination or waiver of any provision of this Guaranty, or consent to any
departure by or the release of any Guarantor therefrom, shall be effective
without the written concurrence of the Lenders and, in the case of any such
amendment or modification, either Guarantor; provided, that, notwithstanding the
foregoing, any such amendment, modification, termination, waiver or consent (but
in no event any release of a Guarantor) that has been determined to be
immaterial by the Agents, in their sole discretion, shall be effective with the
written concurrence of the Requisite Lenders. Any such waiver or consent shall
be effective only in the specific instance and for the specific purpose for
which it was given.

         3.5      Headings. Section and subsection headings in this Guaranty are
included herein for convenience of reference only and shall not constitute a
part of this Guaranty for any other purpose or be given any substantive effect.

         3.6      APPLICABLE LAW. THIS GUARANTY SHALL BE GOVERNED BY, AND
CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

         3.7      Successors and Assigns. This Guaranty is a continuing guaranty
and shall be binding upon each Guarantor and its respective permitted successors
and assigns. This Guaranty shall inure to the benefit of the Beneficiaries and
their respective successors and assigns. Any Beneficiary may, without notice or
consent, assign its interest in this Guaranty in whole or in part. The terms and
provisions of this Guaranty shall inure to the benefit of any transferee or
assignee of any Loan made in accordance with the terms of the Credit Agreement,
and in the event of such transfer or assignment the rights and privileges herein
conferred upon such Beneficiary shall automatically extend to and be vested in
such transferee or assignee, all subject to the terms and conditions hereof.

         3.8      CONSENT TO JURISDICTION; SERVICE OF PROCESS.

                  ALL JUDICIAL PROCEEDINGS BROUGHT AGAINST EITHER GUARANTOR
ARISING OUT OF OR RELATING TO THIS GUARANTY OR ANY OTHER LOAN DOCUMENT, OR ANY
OBLIGATIONS THEREUNDER, MAY BE BROUGHT IN ANY STATE OR FEDERAL COURT OF
COMPETENT JURISDICTION IN THE STATE, COUNTY AND CITY OF NEW YORK, OR IN ANY
COURT LOCATED IN ITS OWN CORPORATE DOMICILE. BY EXECUTING AND DELIVERING THIS
GUARANTY, EACH GUARANTOR, FOR ITSELF AND IN CONNECTION WITH ITS PROPERTIES,
IRREVOCABLY

                  (I)      ACCEPTS GENERALLY AND UNCONDITIONALLY THE
         NONEXCLUSIVE JURISDICTION AND VENUE OF SUCH COURTS;

                  (II)     WAIVES ANY DEFENSE OF FORUM NON CONVENIENS;

                                       16
<PAGE>

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

                  (III)    AGREES THAT SERVICE OF ALL PROCESS IN ANY SUCH
         PROCEEDING IN ANY SUCH COURT MAY BE MADE (X) BY REGISTERED OR CERTIFIED
         MAIL, RETURN RECEIPT REQUESTED, TO SUCH GUARANTOR AT ITS ADDRESS
         PROVIDED IN ACCORDANCE WITH SECTION 3.2 HEREOF, OR (Y) BY MAILING A
         COPY THEREOF BY REGISTERED OR CERTIFIED MAIL (OF ANY SUBSTANTIALLY
         SIMILAR FORM OF MAIL), POSTAGE PREPAID, TO FORTIS FINANCIAL SERVICES AS
         EACH GUARANTOR'S AGENT IN NEW YORK CITY FOR SERVICE OF PROCESS AT ITS
         ADDRESS AT FORTIS FINANCIAL SERVICES, 520 MADISON AVE., NEW YORK, NY
         10022, ATTENTION: ROY ANDERSEN (AND EACH GUARANTOR HEREBY DESIGNATES
         SUCH ENTITY AS ITS AGENT FOR SERVICE OF PROCESS HEREUNDER) OR AT SUCH
         ADDRESS OF WHICH THE GUARANTEED PARTY SHALL HAVE BEEN NOTIFIED IN
         WRITING BY THE BORROWER;

                  (IV)     AGREES THAT SERVICE AS PROVIDED IN CLAUSE (III) ABOVE
         IS SUFFICIENT TO CONFER PERSONAL JURISDICTION OVER SUCH GUARANTOR IN
         ANY SUCH PROCEEDING IN ANY SUCH COURT, AND OTHERWISE CONSTITUTES
         EFFECTIVE AND BINDING SERVICE IN EVERY RESPECT;

                  (V)      AGREES THAT EACH BENEFICIARY RETAINS THE RIGHT TO
         SERVE PROCESS IN ANY OTHER MANNER PERMITTED BY LAW OR TO BRING
         PROCEEDINGS AGAINST SUCH GUARANTOR IN THE COURTS OF ANY OTHER
         JURISDICTION; AND

                  (VI)     AGREES THAT THE PROVISIONS OF THIS SECTION 3.8
         RELATING TO JURISDICTION AND VENUE SHALL BE BINDING AND ENFORCEABLE TO
         THE FULLEST EXTENT PERMISSIBLE UNDER NEW YORK GENERAL OBLIGATIONS LAW
         SECTION 5-1402 OR OTHERWISE.

         3.9      Waiver of Jury Trial. EACH OF THE PARTIES TO THIS GUARANTY
HEREBY AGREES TO WAIVE ITS RESPECTIVE RIGHTS TO A JURY TRIAL OF ANY CLAIM OR
CAUSE OF ACTION BASED UPON OR ARISING OUT OF THIS GUARANTY OR ANY OF THE OTHER
LOAN DOCUMENTS OR ANY DEALINGS BETWEEN THEM RELATING TO THE SUBJECT MATTER OF
THE LOAN DOCUMENTS AND THIS GUARANTY OR THE GUARANTEED PARTY/GUARANTOR
RELATIONSHIP THAT IS BEING ESTABLISHED. The scope of this waiver is intended to
be all-encompassing of any and all disputes that may be filed in any court and
that relate to the subject matter of this transaction, including contract
claims, tort claims, breach of duty claims and all other common law and
statutory claims. Each party hereto acknowledges that this waiver is a material
inducement to enter into a business relationship, that each has already relied
on

                                       17
<PAGE>

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

this waiver in entering into this Guaranty, and that each will continue to rely
on this waiver in their related future dealings. Each party hereto further
warrants and represents that it has reviewed this waiver with its legal counsel
and that it knowingly and voluntarily waives its jury trial rights following
consultation with legal counsel. THIS WAIVER IS IRREVOCABLE, MEANING THAT IT MAY
NOT BE MODIFIED EITHER ORALLY OR IN WRITING (OTHER THAN BY A MUTUAL WRITTEN
WAIVER SPECIFICALLY REFERRING TO THIS SECTION 3.9 AND EXECUTED BY EACH OF THE
PARTIES HERETO), AND THIS WAIVER SHALL APPLY TO ANY SUBSEQUENT AMENDMENTS,
RENEWALS, SUPPLEMENTS OR MODIFICATIONS TO THIS GUARANTY OR ANY OF THE OTHER LOAN
DOCUMENTS OR TO ANY OTHER DOCUMENTS OR AGREEMENTS RELATING TO THE LOANS MADE
THEREUNDER. In the event of litigation, this Guaranty may be filed as a written
consent to a trial by the court.

         3.10     Special Provisions.

                  (a)      Payment in United States Dollars. The payment
obligations of either Guarantor are obligations to make payments in United
States dollars, and shall not be discharged or satisfied by any tender or
recovery pursuant to any judgment expressed in or converted into any currency
other than United States dollars, or any other realization in such other
currency, whether as proceeds of set-off, security, guarantee, distributions or
otherwise, except to the extent that such tender, recovery or realization shall
result in the effective receipt by the Beneficiaries of the full amount of
dollars due and payable under any Loan Document, and each Guarantor shall
promptly indemnify the Beneficiaries (as an alternative or additional cause of
action) for the amount (if any) by which such effective receipt falls short of
the full amount of dollars due and payable hereunder.

                  (b)      Judgment Currency. If for the purpose of obtaining
judgment in any court it is necessary to convert a sum due from a Guarantor
hereunder in dollars into another currency, the parties hereto agree, to the
fullest extent that they may effectively do so, that the rate of exchange used
shall be that at which in accordance with normal banking procedures the
Beneficiaries could purchase dollars with such other currency in New York City
on the Business Day preceding that on which final judgment is given. The
obligations of either Guarantor in respect of any sum due hereunder shall,
notwithstanding any judgment in a currency other than dollars, be discharged
only to the extent that on the Business Day following receipt by the
Beneficiaries of any sum adjudged to be so due in such other currency the
Beneficiaries may in accordance with normal banking procedures purchase dollars
with such other currency; if the amount of dollars so purchased is less than the
sum originally due to the Beneficiaries in dollars, the Guarantors agree, to the
fullest extent that it may effectively do so, as a separate obligation and
notwithstanding any such judgment, to indemnify the Beneficiaries against such
loss, and if the amount of dollars so purchased exceeds the sum originally due
to the Beneficiaries, the Beneficiaries shall remit such excess to such
Guarantor.

                                       18
<PAGE>

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

                  (c)      English Language. All information, notices,
communications, opinions, reports, records and the like required to be given,
kept or maintained by either Guarantor or to be delivered hereunder, if not in
the English language, shall be accompanied by a certified English translation;
provided, however, that the English version of all such information, notices,
communications, opinions, reports, records and other documents, shall govern in
the event of any conflict with the non-English version thereof.

                  (d)      Waiver of Immunities. To the extent permitted by
applicable law, if a Guarantor has or hereafter may acquire any immunity
(sovereign or otherwise) from any legal action, suit or proceeding, from
jurisdiction of any court or from set-off or any legal process (whether service
or notice, attachment prior to judgment, attachment in aid of execution of
judgment, execution of judgment or otherwise) with respect to itself or any of
its property, such Guarantor hereby irrevocably waives and agrees not to plead
or claim such immunity in respect of its obligations hereunder. Each Guarantor
agrees that the waivers set forth above shall have the fullest extent permitted
under the Foreign Sovereign Immunities Act of 1976 of the United States of
America (the "Act") and are intended to be irrevocable and not subject to
withdrawal for purposes of such Act.

                  (e)      Foreign Income Taxes. All payments to be made
hereunder by a Guarantor shall be made free and clear of any deduction or
withholding for any present or future taxes or similar charges imposed by any
country (or any political subdivision or taxing authority thereof or therein)
other than the United States of America (such non-excluded taxes being called
"Foreign Taxes"). If any Foreign Taxes are imposed and required to be withheld
from any payment hereunder, the Guarantor shall (a) increase the amount of such
payment so that the Beneficiaries will receive a net amount (after deduction of
all Foreign Taxes) equal to the amount due hereunder, (b) pay such Foreign Taxes
to the appropriate taxing authority for the account of the Beneficiaries, and
(c) as promptly as possible thereafter send the Guaranteed Party an original
receipt (or a copy thereof that has been stamped by the appropriate taxing
authority to certify payment) showing payment thereof, together with such
additional documentary evidence as the Beneficiaries may from time to time
require. If a Guarantor fails to perform its obligations under parts (b) or (c)
of the preceding sentence, such Guarantor shall indemnify the Beneficiaries for
any incremental taxes, interest or penalties that may become payable by the
Beneficiaries as a consequence of such failure.

         3.11     No Other Writing. This writing and the provisions of the
Existing Parent Facility which are incorporated herein by reference pursuant to
the provisions hereof, are intended by each Guarantor and the Beneficiaries as
the final expression of this Guaranty and is also intended as a complete and
exclusive statement of the terms of their agreement with respect to the matters
covered hereby. No course of dealing, course of performance or trade usage, and
no parol evidence of any nature, shall be used to supplement or modify any terms
of this Guaranty. Other than as provided herein, there are no conditions to the
full effectiveness of this Guaranty.

                                       19
<PAGE>

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

         3.12     Further Assurances. At any time or from time to time, upon the
request of the Guaranteed Party, each Guarantor shall execute and deliver such
further documents and do such other acts and things as the Guaranteed Party may
reasonably request in order to effect fully the purposes of this Guaranty.

         3.13     Counterparts; Effectiveness. This Guaranty and any amendments,
waivers, consents or supplements hereto or in connection herewith may be
executed in any number of counterparts and by different parties hereto in
separate counterparts, each of which when so executed and delivered shall be
deemed an original, but all such counterparts together shall constitute but one
and the same instrument; signature pages may be detached from multiple separate
counterparts and attached to a single counterpart so that all signature pages
are physically attached to the same document. This Guaranty shall become
effective upon the execution of a counterpart hereof by each of the parties
hereto and receipt by the Guaranteed Party of written or telephonic notification
of such execution and authorization of delivery thereof.

                   Remainder of page intentionally left blank

                                       20
<PAGE>

                                 PARENT GUARANTY ($650,000,000 CREDIT AGREEMENT)

         IN WITNESS WHEREOF, the Guarantors have caused this Guaranty to be duly
executed and delivered by their respective officers thereunto duly authorized as
of the date first written above.

                                    FORTIS N.V.

                                    By: /s/ Betty Keutgen, /s/ Michel Baise
                                        -----------------------------------
                                    Name:
                                    Title:
                                    Address: Archimedeslaan 6
                                             P.O.Box 2049
                                             3500 GA Utrecht
                                             The Netherlands
                                             Attn: Monica Roeling
                                    Phone:   +31 30 257 6568
                                    Fax:     +31 30 257 7835

                                    FORTIS SA/NV

                                    By: /s/ Betty Keutgen, /s/ Michel Baise
                                        -----------------------------------
                                    Name:
                                    Title:
                                    Address: Rue Royale, 20
                                             1000 Brussels
                                             Belgium
                                             Attn: Gilbert Mittler
                                    Phone:   +32 2 510 5206
                                    Fax:     +32 2 510 5621

                                    MORGAN STANLEY SENIOR FUNDING, INC.

                                    By: /s/ Jaap L. Tonckens
                                        --------------------
                                    Name:
                                    Title:
                                    Address: 1585 Broadway
                                             New York, New York 10036
                                             Attn: Mr. James Morgan
                                    Phone:   212-537-1470
                                    Fax:     212-537-1867/1866

                                       21