SERIES A CAPITAL SECURITIES GUARANTEE

Published on March 19, 1997



EXHIBIT 4.3

CONFORMED COPY




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SERIES A CAPITAL SECURITIES GUARANTEE AGREEMENT

RENAISSANCERE HOLDINGS LTD.

DATED AS OF MARCH 7, 1997

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TABLE OF CONTENTS
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Page
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ARTICLE I.
DEFINITIONS AND INTERPRETATION

SECTION 1.1. Definitions and Interpretation................................. 2


ARTICLE II.
TRUST INDENTURE ACT

SECTION 2.1. Trust Indenture Act; Application............................... 6
SECTION 2.2. List of Holders of Securities.................................. 6
SECTION 2.3. Reports by the Capital Securities Guarantee Trustee............ 7
SECTION 2.4. Periodic Reports to Capital Securities Guarantee Trustee....... 7
SECTION 2.5. Evidence of Compliance with Conditions Precedent............... 8
SECTION 2.6. Events of Default; Waiver...................................... 8
SECTION 2.7. Event of Default; Notice....................................... 8
SECTION 2.8. Conflicting Interests.......................................... 8

ARTICLE III.
POWERS, DUTIES AND RIGHTS
OF THE CAPITAL SECURITIES GUARANTEE TRUSTEE

SECTION 3.1. Powers and Duties of the Capital Securities
Guarantee Trustee............................................. 9
SECTION 3.2. Certain Rights of Capital Securities Guarantee Trustee........ 11
SECTION 3.3. Not Responsible for Recitals or Issuance of
Series A Capital Securities Guarantee......................... 13

ARTICLE IV.
CAPITAL SECURITIES GUARANTEE TRUSTEE

SECTION 4.1. Capital Securities Guarantee Trustee; Eligibility............ 13
SECTION 4.2. Appointment, Removal and Resignation of
Capital Securities Guarantee Trustee......................... 14

ARTICLE V.
GUARANTEE

SECTION 5.1. Guarantee.................................................... 15
SECTION 5.2. Waiver of Notice and Demand.................................. 15
SECTION 5.3. Obligations Not Affected..................................... 15
SECTION 5.4. Rights of Holders............................................ 16

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SECTION 5.5. Guarantee of Payment......................................... 17
SECTION 5.6. Subrogation.................................................. 17
SECTION 5.7. Independent Obligations...................................... 18

ARTICLE VI.
LIMITATION OF TRANSACTION; SUBORDINATION

SECTION 6.1. Limitation of Transactions................................... 18
SECTION 6.2. Ranking...................................................... 19

ARTICLE VII.
TERMINATION

SECTION 7.1. Termination.................................................. 19

ARTICLE VIII.
COMPENSATION AND EXPENSES OF
CAPITAL SECURITIES GUARANTEE TRUSTEE

ARTICLE IX.
INDEMNIFICATION

SECTION 9.1. Exculpation.................................................. 20
SECTION 9.2. Indemnification.............................................. 21

ARTICLE X.
MISCELLANEOUS

SECTION 10.1. Successors and Assigns...................................... 21
SECTION 10.2. Amendments.................................................. 21
SECTION 10.3. Notices..................................................... 22
SECTION 10.4. Exchange Offer.............................................. 23
SECTION 10.5. Benefit..................................................... 23
SECTION 10.6. Governing Law............................................... 23

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SERIES A CAPITAL SECURITIES GUARANTEE AGREEMENT

This SERIES A CAPITAL SECURITIES GUARANTEE AGREEMENT (the "Series A
Capital Securities Guarantee"), dated as of March 7, 1997, is executed and
delivered by RenaissanceRe Holdings Ltd., a Bermuda company (the "Guarantor"),
and The Bank of New York, as trustee (the "Capital Securities Guarantee
Trustee"), for the benefit of the Holders (as defined herein) from time to time
of the Series A Capital Securities (as defined herein) of RenaissanceRe Capital
Trust, a Delaware statutory business trust (the "Issuer").

WHEREAS, pursuant to an Amended and Restated Declaration of Trust (the
"Trust Agreement"), dated as of March 7, 1997, among The Bank of New York, as
trustee, the Guarantor, as Sponsor and the Administrative Trustees named
therein, the Issuer is issuing on the date hereof 100,000 capital securities,
having an aggregate liquidation amount of $100,000,000, such capital securities
being designated as the 8.54% Series A Capital Securities (collectively, the
"Series A Capital Securities") and, in connection with an Exchange Offer (as
defined in the Trust Agreement), has agreed to execute and deliver the Series B
Capital Securities Guarantee (as defined in the Trust Agreement) for the benefit
of holders of the Series B Capital Securities (as defined in the Trust Agreement
and collectively with the Series A Capital Securities, the "Capital
Securities").

WHEREAS, in order to induce the Holders to purchase the Series A
Capital Securities, the Guarantor desires irrevocably and unconditionally to
guarantee, upon the terms and conditions and to the extent set forth in this
Series A Capital Securities Guarantee, to pay to the Holders of the Capital
Securities the Guarantee Payments (as defined below).

WHEREAS, the Guarantor is executing and delivering a guarantee
agreement (the "Common Securities Guarantee"), with substantially identical
terms to this Series A Capital Securities Guarantee, for the benefit of the
holders of the Common Securities (as defined herein), except that if an Event of
Default (as defined in the Trust Agreement) has occurred and is continuing, the
rights of holders of the Common Securities to receive Guarantee Payments under
the Common Securities Guarantee are subordinate, to the extent and in the manner
set forth in the Common Securities Guarantee, to the rights of holders of Series
A Capital Securities and the holders of Series B Capital Securities to receive
Guarantee Payments under this Series A Capital Securities Guarantee and the
Series B Capital Securities Guarantee, as the case may be.

NOW, THEREFORE, in consideration of the purchase by each Holder, which
purchase the Guarantor hereby acknowledges shall benefit the Guarantor, the
Guarantor hereby executes and delivers this Series A Capital Securities
Guarantee for the benefit of the Holders.

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ARTICLE I.
DEFINITIONS AND INTERPRETATION

SECTION 1.1. Definitions and Interpretation
------------------------------

In this Series A Capital Securities Guarantee, unless the context
otherwise requires:

(a) Capitalized terms used in this Series A Capital Securities Guarantee
but not defined in the preamble above have the respective meanings
assigned to them in this Section 1.1;

(b) Terms defined in the Trust Agreement as at the date of execution of
this Series A Capital Securities Guarantee have the same meaning
when used in this Series A Capital Securities Guarantee unless
otherwise defined in this Series A Capital Securities Guarantee;

(c) a term defined anywhere in this Series A Capital Securities
Guarantee has the same meaning throughout;

(d) all references to "the Series A Capital Securities Guarantee" or
"this Series A Capital Securities Guarantee" are to this Series A
Capital Securities Guarantee as modified, supplemented or amended
from time to time;

(e) all references in this Series A Capital Securities Guarantee to
Articles and Sections are to Articles and Sections of this Series
A Capital Securities Guarantee, unless otherwise specified;

(f) a term defined in the Trust Indenture Act has the same meaning when
used in this Series A Capital Securities Guarantee, unless
otherwise defined in this Series A Capital Securities Guarantee
or unless the context otherwise requires;

(g) a reference to the singular includes the plural and vice versa;

(h) a reference to any Person shall include its successors and assigns;

(i) a reference to any agreement or instrument shall mean such
agreement or instrument, as supplemented, modified, amended, or
amended and restated, and in effect from time to time; and

(j) a reference to any statute, law, rule or regulation, shall include
any amendments thereto

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applicable to the relevant Person, and any successor statute, law,
rule or regulation .

Affiliate" has the same meaning as given to that term in Rule 405
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under the Securities Act of 1933, as amended, or any successor rule thereunder.

"Business Day" means any day other than a Saturday or a Sunday, or a
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day on which banking institutions in The City of New York are authorized or
required by law or executive order to close.

"Capital Securities Guarantee Trustee" means The Bank of New York,
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until a Successor Capital Securities Guarantee Trustee has been appointed and
has accepted such appointment pursuant to the terms of this Series A Capital
Securities Guarantee and thereafter means each such Successor Capital Securities
Guarantee Trustee.

"Common Securities" means the securities representing common undivided
------------------
beneficial interests in the assets of the Issuer, substantially in the form of
Exhibit A to the Trust Agreement.

"Corporate Trust Office" means the office of the Capital Securities
-----------------------
Guarantee Trustee at which the corporate trust business of the Capital
Securities Guarantee Trustee shall, at any particular time, be principally
administered, which office at the date of execution of this Agreement is located
at 101 Barclay Street - 21W, New York, New York 10286, attn: Corporate Finance
Unit.

"Covered Person" means any Holder or beneficial owner of Series A
---------------
Capital Securities.

"Debentures" means the series of subordinated debt securities of the
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Guarantor designated the 8.54% Junior Subordinated Deferrable Interest
Debentures due March 1, 2027 of the Issuer held by the Property Trustee (as
defined in the Trust Agreement).

"Event of Default" means a default by the Guarantor on any of its
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payments or other obligations under this Series A Capital Securities Guarantee.

"Guarantee Payments" means the following payments or distributions,
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without duplication, with respect to the Series A Capital Securities in
accordance with the Trust Agreement, to the extent not paid or made by the
Issuer: (i) any accumulated and unpaid Distributions (as defined in the Trust
Agreement) that are required to be paid on such Series A Capital Securities to
the extent the Issuer has funds on hand legally available therefor at such time,
(ii) the redemption price, including all accumulated and unpaid Distributions to
the date of redemption (the

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"Redemption Price") to the extent the Issuer has
funds on hand legally available therefor at such time, with respect to any
Series A Capital Securities called for redemption by the Issuer, and (iii) upon
a voluntary or involuntary dissolution or liquidation of the Issuer (other than
in connection with the distribution of Debentures to the Holders in exchange for
Series A Capital Securities as provided in the Trust Agreement), the lesser of
(a) the aggregate of the liquidation amount and all accumulated and unpaid
Distributions on the Series A Capital Securities to the date of payment, to the
extent the Issuer has funds on hand legally available therefor, and (b) the
amount of assets of the Issuer remaining available for distribution to Holders
in liquidation of the Issuer. With respect to the Common Securities, "Guarantee
Payments" has the meaning set forth in the Common Securities Guarantee;
provided, that if an Event of Default under the Indenture has occurred and is
continuing, no Guarantee Payments under the Common Securities or any guarantee
payment under any Other Common Securities Guarantees with respect to the Common
Securities shall be made until the Holders of Series A Capital Securities shall
be paid in full the Guarantee Payments to which they are entitled under this
Series A Capital Securities Guarantee.

"Holder" shall mean any holder, as registered on the books and records
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of the Issuer, of any Series A Capital Securities; provided, however, that, in
determining whether the holders of the requisite percentage of Series A Capital
Securities have given any request, notice, consent or waiver hereunder, "Holder"
shall not include the Guarantor or any Affiliate of the Guarantor.

"Indemnified Person" means the Capital Securities Guarantee Trustee,
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any Affiliate of the Capital Securities Guarantee Trustee, or any officers,
directors, shareholders, members, partners, employees, representatives,
nominees, custodians or agents of the Capital Securities Guarantee Trustee.

"Indenture" means the Indenture, dated as of March __, 1997, among the
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Guarantor and The Bank of New York, as trustee, pursuant to which the Debentures
are to be issued to the Property Trustee.

"Indenture Event of Default" shall mean any event specified in Section
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5.01 of the Indenture.

"Majority in Liquidation Amount of the Capital Securities" means,
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except as provided by the Trust Indenture Act, a vote by Holder(s) of Capital
Securities, voting separately as a class, of more than 50% of the aggregate
liquidation amount (including the stated amount that would be paid on
redemption, liquidation or otherwise, plus accumulated and unpaid Distributions
to the date upon which the voting percentages are determined) of all Capital
Securities.

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"Officer's Certificate" means, with respect to any Person, a
----------------------
certificate signed by the Chairman, the Chief Executive Officer, the President,
a Senior Vice President, a Vice President, the Secretary or the Treasurer of
such Person. Any Officers' Certificate delivered with respect to compliance
with a condition or covenant provided for in this Series A Capital Securities
Guarantee (other than pursuant to Section 314(d)(4) of the Trust Indenture Act)
shall include:

(a) a statement that each officer signing the Officer's
Certificate has read the covenant or condition and the definitions relating
thereto;

(b) a brief statement of the nature and scope of the examination
or investigation undertaken by each officer in rendering the Officer's
Certificate ;

(c) a statement that each such officer has made such examination
or investigation as, in such officer's opinion, is necessary to enable such
officer to express an informed opinion as to whether or not such covenant
or condition has been complied with; and

(d) a statement as to whether, in the opinion of each such
officer, such condition or covenant has been complied with.

"Other Common Securities Guarantees" means all guarantees to be issued
-----------------------------------
by the Guarantor with respect to common securities (if any) similar to the
Common Securities issued by other trusts to be established by the Guarantor (if
any), in each case similar to the Issuer.

"Other Debentures" means all junior subordinated debentures issued by
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the Guarantor from time to time and sold to trusts to be established by the
Guarantor (if any), in each case similar to the Issuer.

"Other Guarantees" means all guarantees to be issued by the Guarantor
-----------------
with respect to capital or preferred securities (if any) similar to the Series A
Capital Securities issued by other trusts to be established by the Guarantor (if
any), in each case similar to the Issuer.

"Person" means a legal person, including any individual, corporation,
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estate, partnership, joint venture, association, joint stock company, limited
liability company, trust, unincorporated association, or government or any
agency or political subdivision thereof, or any other entity of whatever
nature."

"Property Trustee" means The Bank of New York, as trustee.
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"Registration Rights Agreement" means the Registration Rights
------------------------------
Agreement, dated as of March 7, 1997, by and among the Guarantor, the Issuer and
the Initial Purchasers named therein, as such agreement may be amended, modified
or supplemented from time to time.

"Responsible Officer" means, with respect to the Capital Securities
--------------------
Guarantee Trustee, any officer within the Corporate Trust Office of the Capital
Securities Guarantee Trustee, including any vice president, any assistant vice
president, any assistant secretary, the treasurer, any assistant treasurer or
other officer of the Corporate Trust Office of the Capital Securities Guarantee
Trustee customarily performing functions similar to those performed by any of
the above designated officers and also means, with respect to a particular
corporate trust matter, any other officer to whom such matter is referred
because of that officer's knowledge of and familiarity with the particular
subject.

"Successor Capital Securities Guarantee Trustee" means a successor
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Capital Securities Guarantee Trustee possessing the qualifications to act as
Capital Securities Guarantee Trustee under Section 4.1.

"Trust Indenture Act" means the Trust Indenture Act of 1939, as
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amended.

"Trust Securities" means the Common Securities, the Series A Capital
-----------------
Securities and the Series B Capital Securities, collectively.

ARTICLE II.
TRUST INDENTURE ACT

SECTION 2.1. Trust Indenture Act; Application
--------------------------------

(a) This Series A Capital Securities Guarantee is subject to the
provisions of the Trust Indenture Act that are required to be part of this
Series A Capital Securities Guarantee and shall, to the extent applicable, be
governed by such provisions; and

(b) if and to the extent that any provision of this Series A Capital
Securities Guarantee limits, qualifies or conflicts with the duties imposed by
Section 310 to 317, inclusive, of the Trust Indenture Act, such imposed duties
shall control.

SECTION 2.2 List of Holders of Securities
-----------------------------

(a) The Guarantor shall provide the Capital Securities Guarantee Trustee
(unless the Capital Securities Guarantee Trustee is otherwise the registrar of
the Capital Securities) with a list, in such form as the Capital Securities
Guarantee

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Trustee may reasonably require, of the names and addressees of
the Holders of the Series A Capital Securities ("List of Holders") as of
such date, (i) within 14 Business Days after each record date for payment
of Distributions, in such form as the Property Trustee may reasonably
require, and (ii) at any other time, within 30 days of receipt by the
Property Trustee of a written request for a List of Holders as of a date no
more than 14 days before such List of Holders is given to the Capital
Securities Guarantee Trustee; provided, that the Guarantor shall
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not be obligated to provide such List of Holders at any time the List of
Holders does not differ from the most recent List of Holders given to the
Capital Securities Guarantee Trustee by the Guarantor. The Capital
Securities Guarantee Trustee may destroy any List of Holders previously
given to it on receipt of a new List of Holders.

(b) The Capital Securities Guarantee Trustee shall comply with its
obligations under Sections 311(a), 311(b) and Section 312(b) of the Trust
Indenture Act.

SECTION 2.3. Reports by the Capital Securities Guarantee Trustee
---------------------------------------------------

Within 60 days after December 31 of each year during the term of this
Series A Capital Securities Guarantee, commencing December 31, 1997, the Capital
Securities Guarantee Trustee shall provide to the Holders of the Capital
Securities such reports as are required by Section 313 of the Trustee Indenture
Act, if any, in the form and in the manner provided by Section 313 of the Trust
Indenture Act. The Capital Securities Guarantee Trustee shall also comply with
the requirements of Section 313(d) of the Trust Indenture Act.

SECTION 2.4. Periodic Reports to Capital Securities Guarantee Trustee
--------------------------------------------------------

The Guarantor shall provide to the Capital Securities Guarantee
Trustee such documents, reports and information as required by Section 314 of
the Trust Indenture Act (if any) and the compliance certificate required by
Section 314 of the Trust Indenture Act in the form, in the manner and at the
times required by Section 314 of the Trust Indenture Act. Delivery of such
reports, information and documents to the Capital Securities Guarantee Trustee
is for informational purposes only and the Capital Securities Guarantee
Trustee's receipt of such shall not constitute constructive notice of any
information contained therein or determinable from information contained
therein, including the Guarantor's compliance with any of its covenants
hereunder (as to which the Capital Securities Guarantee Trustee is entitled to
rely exclusively on Officer's Certificates).

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SECTION 2.5. Evidence of Compliance with Conditions Precedent
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The Guarantor shall provide to the Capital Securities Guarantee
Trustee such evidence of compliance with any conditions precedent, if any,
provided for in this Series A Capital Securities Guarantee that relate to any of
the matters set forth in Section 314(c) of the Trust Indenture Act. Any
certificate or opinion required to be given by an officer pursuant to Section
314(c)(1) may be given in the form of an Officer's Certificate.

SECTION 2.6. Events of Default; Waiver
-------------------------

The Holders of a Majority in Liquidation Amount of Capital Securities
may, by vote, on behalf of the Holders of all of Series A Capital Securities,
waive any past Event of Default and its consequences. Upon such waiver, any
such Event of Default shall cease to exist, and any Event of Default arising
therefrom shall be deemed to have been cured, for every purpose of this Series A
Capital Securities Guarantee, but no such waiver shall extend to any subsequent
or other default or Event of Default or impair any right consequent thereon.

SECTION 2.7. Event of Default; Notice
------------------------

(a) The Capital Securities Guarantee Trustee shall, within 90 days after
the occurrence of a default with respect to this Series A Capital Securities
Guarantee, mail by first class postage prepaid, to all Holders of the Capital
Securities, notices of any and all Events of Default actually known to a
Responsible Officer of the Capital Securities Guarantee Trustee, unless such
Events of Default have been cured before the giving of such notice, provided,
that, except in the case of default in the payment of any Guarantee Payment, the
Capital Securities Guarantee Trustee shall be protected in withholding such
notice if and so long as the board of directors, the executive committee, or a
trust committee of directors and/or Responsible Officers of the Capital
Securities Guarantee Trustee in good faith determines that the withholding of
such notice is in the interests of the holders of the Series A Capital
Securities.

(b) The Capital Securities Guarantee Trustee shall not be deemed to have
knowledge of any Event of Default unless the Capital Securities Guarantee
Trustee shall have received written notice from the Guarantor, or a Responsible
Officer of the Capital Securities Guarantee Trustee charged with the
administration of the Trust Agreement shall have obtained actual knowledge, of
such Event of Default.

SECTION 2.8. Conflicting Interests
---------------------

The Trust Agreement shall be deemed to be specifically described in
this Series A Capital Securities Guarantee for the purposes of clause (i) of the
first proviso contained in Section 310(b) of the Trust Indenture Act.

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ARTICLE III.
POWERS, DUTIES AND RIGHTS
OF THE CAPITAL SECURITIES GUARANTEE TRUSTEE

SECTION 3.1. Powers and Duties of the Capital Securities
-------------------------------------------
Guarantee Trustee
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(a) This Series A Capital Securities Guarantee shall be held by the
Capital Securities Guarantee Trustee for the benefit of the Holders, and the
Capital Securities Guarantee Trustee shall not transfer this Series A Capital
Securities Guarantee to any Person except a Holder exercising his or her rights
pursuant to Section 5.4(b) or to a Successor Capital Securities Guarantee
Trustee upon acceptance by such Successor Capital Securities Guarantee Trustee
of its appointment to act as Successor Capital Securities Guarantee Trustee. The
right, title and interest of the Capital Securities Guarantee Trustee shall
automatically vest in any Successor Capital Securities Guarantee Trustee, and
such vesting and succession of title shall be effective whether or not
conveyancing or other documents have been executed and delivered pursuant to the
appointment of such Successor Capital Securities Guarantee Trustee.

(b) If an Event of Default actually known to a Responsible Officer of
the Capital Securities Guarantee Trustee has occurred and is continuing, the
Capital Securities Guarantee Trustee shall enforce this Series A Capital
Securities Guarantee for the benefit of the Holders.

(c) The Capital Securities Guarantee Trustee, before the occurrence of
any Event of Default and after the curing of all Events of Default that may have
occurred, shall undertake to perform only such duties as are specifically set
forth in this Series A Capital Securities Guarantee, and no implied covenants
shall be read into this Series A Capital Securities Guarantee against the
Capital Securities Guarantee Trustee. In case an Event of Default has occurred
(that has not been cured or waived pursuant to Section 2.6) and is actually
known to a Responsible Officer of the Capital Securities Guarantee Trustee, the
Capital Securities Guarantee Trustee shall exercise such of the rights and
powers vested in it by this Series A Capital Securities Guarantee, and use the
same degree of care and skill in its exercise thereof, as a prudent person would
exercise or use under the circumstances in the conduct of his or her own
affairs.

(d) No provision of this Series A Capital Securities Guarantee shall be
construed to relieve the Capital Securities Guarantee Trustee from
liability for its own negligent action, its own negligent failure to act,
or its own willful misconduct, except that:

(i) prior to the occurrence of any Event of Default and after the
curing or waiving of all such Events of Default that may have occurred:

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(A) the duties and obligations of the Capital Securities
Guarantee Trustee shall be determined solely by the express provisions
of this Series A Capital Securities Guarantee, and the Capital
Securities Guarantee Trustee shall not be liable except for the
performance of such duties and obligations as are specifically set
forth in this Series A Capital Securities Guarantee, and no implied
covenants or obligations shall be read into this Series A Capital
Securities Guarantee against the Capital Securities Guarantee Trustee;
and

(B) in the absence of bad faith on the part of the Capital
Securities Guarantee Trustee, the Capital Securities Guarantee Trustee
may conclusively rely, as to the truth of the statements and the
correctness of the opinions expressed therein, upon any certificates
or opinions furnished to the Capital Securities Guarantee Trustee and
conforming to the requirements of this Series A Capital Securities
Guarantee; but in the case of any such certificates or opinions that
by any provision hereof are specifically required to be furnished to
the Capital Securities Guarantee Trustee, the Capital Securities
Guarantee Trustee shall be under a duty to examine the same to
determine whether or not they conform to the requirements of this
Series A Capital Securities Guarantee;

(ii) the Capital Securities Guarantee Trustee shall not be liable for
any error of judgment made in good faith by a Responsible Officer of the
Capital Securities Guarantee Trustee, unless it shall be proved that the
Capital Securities Guarantee Trustee was negligent in ascertaining the
pertinent facts upon which such judgment was made;

(iii) the Capital Securities Guarantee Trustee shall not be liable
with respect to any action taken or omitted to be taken by it in good faith
in accordance with the direction of the Holders of not less than a Majority
in Liquidation Amount of the Capital Securities relating to the time,
method and place of conducting any proceeding for any remedy available to
the Series A Capital Securities Guarantee Trustee, or exercising any trust
or power conferred upon the Capital Securities Guarantee Trustee under this
Series A Capital Securities Guarantee; and

(iv) no provision of this Series A Capital Securities Guarantee shall
require the Capital Securities Guarantee Trustee to expend or risk its own
funds or otherwise incur personal financial liability in the performance of
any of its duties or in the exercise of any of its rights or powers if the
Capital Securities Guarantee Trustee shall have reasonable grounds for
believing that the repayment of such funds or liability is not reasonably

13

assured to it under the terms of this Series A Capital Securities Guarantee
or if an indemnity thereto, reasonably satisfactory to the Capital
Securities Guarantee Trustee, against such risk or liability is not
reasonably assured to it.

SECTION 3.2. Certain Rights of Capital Securities Guarantee
----------------------------------------------
Trustee
-------

(a) Subject to the provisions of Section 3.1:

(i) The Capital Securities Guarantee Trustee may conclusively rely,
and shall be fully protected in acting or refraining from acting upon any
resolution, certificate, statement, instrument, opinion, report, notice,
request, direction, consent, order, bond, debenture, note, other evidence of
indebtedness or other paper or document reasonably believed by it to be genuine
and to have been signed, sent or presented by the proper party or parties.

(ii) Any direction or act of the Guarantor contemplated by this Series
A Capital Securities Guarantee should be sufficiently evidenced by an Officers'
Certificate specifying the same.

(iii) Whenever, in the administration of this Series A Capital
Securities Guarantee, the Capital Securities Guarantee Trustee shall deem it
desirable that a matter be proved or established before taking, suffering or
omitting any action hereunder, the Capital Securities Guarantee Trustee (unless
other evidence is herein specifically prescribed) may, in the absence of bad
faith on its part, reasonably request and conclusively rely upon an Officer's
Certificate, which Officer's Certificate shall be promptly delivered by the
Guarantor.

(iv) The Capital Securities Guarantee Trustee shall have no duty to
review any recording, filing or registration of any instrument (or any
rerecording, refiling or registration thereof).

(v) The Capital Securities Guarantee Trustee may consult with counsel
of its selection, and the advice or opinion of such counsel with respect to
legal matters shall be full and complete authorization and protection in respect
of any action taken, suffered or omitted by it hereunder in accordance with the
terms hereof and in good faith and in accordance with such advice or opinion.
Such counsel may be counsel to the Guarantor or any of its Affiliates and may
include any of their respective employees. The Capital Securities Guarantee
Trustee shall have the right at any time to seek instructions concerning the
administration of this Series A Capital Securities Guarantee from any court of
competent jurisdiction.

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(vi) The Capital Securities Guarantee Trustee shall be under no
obligation to exercise any of the rights or powers vested in it by this Series A
Capital Securities Guarantee at the request or direction of any Holder, unless
such Holder shall have provided to the Capital Securities Guarantee Trustee such
security and indemnity, reasonably satisfactory to the Capital Securities
Guarantee Trustee, against the costs, expenses (including attorneys' fees and
expenses and the expenses of the Capital Securities Guarantee Trustee's agents,
nominees or custodians) and liabilities that might be incurred by it in
complying with such request or direction, including such advances as may
reasonably be requested by the Capital Securities Guarantee Trustee; provided
that, nothing contained in this Section 3.2(a)(vi) shall be taken to relieve the
Capital Securities Guarantee Trustee, upon the occurrence of an Event of
Default, of its obligation to exercise the rights and powers vested in it by
this Series A Capital Securities Guarantee.

(vii) The Capital Securities Guarantee Trustee shall not be bound to
make any investigation into the facts or matters stated in any resolution,
certificate, statement, instrument, opinion, report, notice, request, direction,
consent, order, bond, debenture, note, other evidence of indebtedness or other
paper or document, but the Capital Securities Guarantee Trustee, in its
discretion, may make such further inquiry or investigation into such facts or
matters as it may see fit.

(viii) The Capital Securities Guarantee Trustee may execute any of
the trusts or powers hereunder or perform any duties hereunder either directly
or by or through agents, nominees, custodians or attorneys, and the Capital
Securities Guarantee Trustee shall not be responsible for any misconduct or
negligence on the part of any agent or attorney appointed with due care by it
hereunder.

(ix) Any action taken by the Capital Securities Guarantee Trustee or
its agents hereunder shall bind the Holders, and the signature of the Capital
Securities Guarantee Trustee or its agents alone shall be sufficient and
effective to perform any such action. No third party shall be required to
inquire as to the authority of the Capital Securities Guarantee Trustee to so
act or as to its compliance with any of the terms and provisions of this Series
A Capital Securities Guarantee, both of which shall be conclusively evidenced by
the Capital Securities Guarantee Trustee's or its agent's taking such action.

(x) Whenever in the administration of this Series A Capital Securities
Guarantee the Capital Securities Guarantee Trustee shall deem it desirable to
receive instructions with respect to enforcing any remedy or right or taking any
other action hereunder, the Capital Securities Guarantee Trustee (i) may request
instructions from the Holders of a Majority in Liquidation Amount of the Series
A Capital Securities, (ii) may refrain from enforcing such remedy or right or
taking such other

15

action until such instructions are received, and (iii) shall be protected in
conclusively relying on or acting in accordance with such instructions.

(xi) The Capital Securities Guarantee Trustee shall not be liable for
any action taken, suffered, or omitted to be taken by it in good faith and
reasonably believed by it to be authorized or within the discretion or rights or
powers conferred upon it by this Series A Capital Securities Guarantee.

(b) No provision of this Series A Capital Securities Guarantee shall
be deemed to impose any duty or obligation on the Capital Securities Guarantee
Trustee to perform any act or acts or exercise any right, power, duty or
obligation conferred or imposed on it in any jurisdiction in which it shall be
illegal, or in which the Capital Securities Guarantee Trustee shall be
unqualified or incompetent in accordance with applicable law, to perform any
such act or acts or to exercise any such right, power, duty or obligation. No
permissive power or authority available to the Capital Securities Guarantee
Trustee shall be construed to be a duty.

SECTION 3.3. Not Responsible for Recitals or Issuance of Series
--------------------------------------------------
A Capital Securities Guarantee
------------------------------

The recitals contained in this Series A Capital Securities Guarantee
shall be taken as the statements of the Guarantor, and the Capital Securities
Guarantee Trustee does not assume any responsibility for their correctness. The
Capital Securities Guarantee Trustee makes no representation as to the validity
or sufficiency of this Series A Capital Securities Guarantee.


ARTICLE IV.
CAPITAL SECURITIES GUARANTEE TRUSTEE

SECTION 4.1. Capital Securities Guarantee Trustee; Eligibility
-------------------------------------------------

(a) There shall at all times be a Capital Securities Guarantee Trustee
which shall:

(i) not be an Affiliate of the Guarantor; and

(ii) be a corporation organized and doing business under the laws of
the United States of America or any State or Territory thereof or of the
District of Columbia, or a corporation or Person permitted by the
Securities and Exchange Commission to act as an institutional trustee under
the Trust Indenture Act, authorized under such laws to exercise corporate
trust powers, having a combined capital and surplus of at least 50 million
U.S. dollars ($50,000,000), and subject to supervision or examination by
Federal, State, Territorial or District of Columbia authority. If such
corporation publishes reports of

16

condition at least annually, pursuant to law or to the requirements of the
supervising or examining authority referred to above, then, for the
purposes of this Section 4.1(a)(ii), the combined capital and surplus of
such corporation shall be deemed to be its combined capital and surplus as
set forth in its most recent report of condition so published.

(b) If at any time the Capital Securities Guarantee Trustee shall
cease to be eligible to so act under Section 4.1(a), the Capital Securities
Guarantee Trustee shall immediately resign in the manner and with the effect set
out in Section 4.2(c).

(c) If the Capital Securities Guarantee Trustee has or shall acquire
any "conflicting interest" within the meaning of Section 310(b) of the Trust
Indenture Act, the Capital Securities Guarantee Trustee and Guarantor shall in
all respects comply with the provisions of Section 310(b) of the Trust Indenture
Act, subject to the penultimate paragraph thereof.

SECTION 4.2. Appointment, Removal and Resignation of Capital
-----------------------------------------------
Securities Guarantee Trustee
----------------------------

(a) Subject to Section 4.2(b), the Capital Securities Guarantee
Trustee may be appointed or removed without cause at any time by the Guarantor
except during such time as an Event of Default has occurred and shall be
continuing.

(b) The Capital Securities Guarantee Trustee shall not be removed in
accordance with Section 4.2(a) until a Successor Capital Securities Guarantee
Trustee has been appointed and has accepted such appointment by written
instrument executed by such Successor Capital Securities Guarantee Trustee and
delivered to the Guarantor.

(c) The Capital Securities Guarantee Trustee shall hold office until a
Successor Capital Securities Guarantee Trustee shall have been appointed or
until its removal or resignation. The Capital Securities Guarantee Trustee may
resign from office (without the need for prior or subsequent accounting) by an
instrument in writing executed by the Capital Securities Guarantee Trustee and
delivered to the Guarantor, which resignation shall not take effect until a
Successor Capital Securities Guarantee Trustee has been appointed and has
accepted such appointment by instrument in writing executed by such Successor
Capital Securities Guarantee Trustee and delivered to the Guarantor and the
resigning Capital Securities Guarantee Trustee.

(d) If no Successor Capital Securities Guarantee Trustee shall have
been appointed and accepted appointment as provided in this Section 4.2 within
60 days after delivery of an instrument of removal or resignation, the Capital
Securities

17

Guarantee Trustee resigning or being removed may petition any court
of competent jurisdiction for appointment of a Successor Capital Securities
Guarantee Trustee. Such court may thereupon, after prescribing such notice, if
any, as it may deem proper, appoint a Successor Capital Securities Guarantee
Trustee.

(e) No Capital Securities Guarantee Trustee shall be liable for the
acts or omissions to act of any Successor Capital Securities Guarantee Trustee.

(f) Upon termination of this Series A Capital Securities Guarantee or
removal or resignation of the Capital Securities Guarantee Trustee pursuant to
this Section 4.2, the Guarantor shall pay to the Capital Securities Guarantee
Trustee all amounts due to the Capital Securities Guarantee Trustee accrued to
the date of such termination, removal or resignation.


ARTICLE V.
GUARANTEE

SECTION 5.1. Guarantee
---------

The Guarantor irrevocably and unconditionally agrees to pay in full to
the Holders the Guarantee Payments (without duplication of amounts theretofore
paid by the Issuer), as and when due, regardless of any defense, right of set-
off or counterclaim that the Issuer may have or assert. The Guarantor's
obligation to make a Guarantee Payment may be satisfied by direct payment of the
required amounts by the Guarantor to the Holders or by causing the Issuer to pay
such amounts to the Holders.

SECTION 5.2. Waiver of Notice and Demand
---------------------------

The Guarantor hereby waives notice of acceptance of this Series A
Capital Securities Guarantee and of any liability to which it applies or may
apply, presentment, demand for payment, any right to require a proceeding first
against the Issuer or any other Person before proceeding against the Guarantor,
protest, notice of nonpayment, notice of dishonor, notice of redemption and all
other notices and demands.

SECTION 5.3. Obligations Not Affected
------------------------

The obligations, covenants, agreements and duties of the Guarantor
under this Series A Capital Securities Guarantee shall in no way be affected or
impaired by reason of the occurrence from time to time of any of the following:

(a) the release or waiver, by operation of law or otherwise, of the
performance or observance by the Issuer of any express or implied agreement,
covenant, term or condition relating to the Series A Capital Securities to be
performed or observed by the Issuer;

18

(b) the extension of time for the payment by the Issuer of all or any
portion of the Distributions (as defined in the Trust Agreement), Redemption
Price, Liquidated Damages (as defined in the Registration Rights Agreement) or
any other sums payable under the terms of the Series A Capital Securities or the
extension of time for the performance of any other obligation under, arising out
of, or in connection with, the Capital Securities (other than an extension of
time for payment of Distributions, Redemption Price, Liquidated Damages or other
sum payable that results from the extension of any interest payment period on
the Debentures or any extension of the maturity date of the Debentures permitted
by the Indenture);

(c) any failure, omission, delay or lack of diligence on the part of
the Holders to enforce, assert or exercise any right, privilege, power or remedy
conferred on the Holders pursuant to the terms of the Series A Capital
Securities, or any action on the part of the Issuer granting indulgence or
extension of any kind;

(d) the voluntary or involuntary liquidation, dissolution, sale of
any collateral, receivership, insolvency, bankruptcy, assignment for the benefit
of creditors, reorganization, arrangement, composition or readjustment of debt
of or other similar proceedings affecting, the Issuer or any of the assets of
the Issuer;

(e) any invalidity of, or defect or deficiency in, the Series A
Capital Securities;

(f) the settlement or compromise of any obligation guaranteed hereby
or hereby incurred;

(g) the consummation of the Exchange Offer; or

(h) any other circumstance whatsoever that might otherwise constitute
a legal or equitable discharge or defense of a guarantor, it being the intent of
this Section 5.3 that the obligations of the Guarantor with respect to the
Guarantee Payments shall be absolute and unconditional under any and all
circumstances.

There shall be no obligation of the Holders to give notice to, or
obtain consent of, the Guarantor with respect to the happening of any of the
foregoing.

SECTION 5.4. RIGHTS OF HOLDERS
-----------------

(a) The Holders of a Majority in Liquidation Amount of the Capital
Securities shall have the right to direct the time, method and place of
conducting any proceeding for any remedy available to the Capital Securities
Guarantee Trustee in respect of this Series A Capital Securities Guarantee or
exercising any trust or power conferred upon the Capital Securities Guarantee

19

Trustee under this Series A Capital Securities Guarantee; provided, however,
------------------
that, subject to the duties and responsibilities of the Trustee pursuant to the
Indenture, the Capital Securities Guarantee Trustee shall have the right to
decline to follow any such direction if the Capital Securities Guarantee Trustee
shall determine that the action so directed would be unjustly prejudicial to the
Holders not taking part in such direction or if the Capital Securities Guarantee
Trustee being advised by counsel determines that the action or proceeding so
directed may not lawfully be taken or if the Capital Securities Guarantee
Trustee in good faith by its board of directors or trustees, executive
committee, or a trust committee of directors or trustees and/or Responsible
Officers shall determine that the action or proceedings so directed would
involve the Capital Securities Guarantee Trustee in personal liability.

(b) If the Capital Securities Guarantee Trustee fails to enforce such
Series A Capital Securities Guarantee, any Holder of Series A Capital Securities
may institute a legal proceeding directly against the Guarantor to enforce the
Capital Securities Guarantee Trustee's rights under this Series A Capital
Securities Guarantee, without first instituting a legal proceeding against the
Issuer, the Capital Securities Guarantee Trustee or any other person or entity.
The Guarantor waives any right or remedy to require that any action be brought
first against the Issuer or any other person or entity before proceeding
directly against the Guarantor.

SECTION 5.5. GUARANTEE OF PAYMENT
--------------------

This Series A Capital Securities Guarantee creates a guarantee of
payment and not of collection.

SECTION 5.6. SUBROGATION
-----------

The Guarantor shall be subrogated to all (if any) rights of the
Holders against the Issuer in respect of any amounts paid to such Holders by the
Guarantor under this Series A Capital Securities Guarantee; provided, however,
that the Guarantor shall not (except to the extent required by mandatory
provisions of law) be entitled to enforce or exercise any right that it may
acquire by way of subrogation or any indemnity, reimbursement or other
agreement, in all cases as a result of payment under this Series A Capital
Securities Guarantee, if, at the time of any such payment, any amounts are due
and unpaid under this Series A Capital Securities Guarantee. If any amount
shall be paid to the Guarantor in violation of the preceding sentence, the
Guarantor agrees to hold such amount in trust for the Holders and to pay over
such amount to the Holders.

20

SECTION 5.7. Independent Obligations
-----------------------

The Guarantor acknowledges that its obligations hereunder are
independent of the obligations of the Issuer with respect to the Series A
Capital Securities, and that the Guarantor shall be liable as principal and as
debtor hereunder to make Guarantee Payments pursuant to the terms of this Series
A Capital Securities Guarantee notwithstanding the occurrence of any event
referred to in subsections (a) through (h), inclusive, of Section 5.3 hereof.

ARTICLE VI.
LIMITATION OF TRANSACTION; SUBORDINATION

SECTION 6.1. Limitation of Transactions
--------------------------

So long as any Series A Capital Securities remain outstanding, if, at
any time, (i) there shall have occurred and be continuing any event of which the
Guarantor has actual knowledge which would constitute an Event of Default, (ii)
the Guarantor shall be in default with respect to its payment of any obligations
under this Series A Capital Securities Guarantee and the Debentures held by the
Property Trustee or (iii) the Guarantor shall have given notice of its election
of the exercise of its right to defer payment of interest on the Debentures
pursuant to Section 12.1 of the Indenture and any such extension shall be
continuing, then the Guarantor shall not (1) declare or pay any dividends or
distributions on, or redeem, purchase, acquire, or make a liquidation payment
with respect to any of the Guarantor's capital stock, (2) make any payment of
principal, interest premium, if any, on or repay or repurchase or redeem any
debt securities of the Guarantor (including any Other Debentures) that rank pari
passu with or junior in right of payment to the Debentures or (3) make any
guarantee payments with respect to any guarantee by the Guarantor of the debt
securities of any subsidiary of the Guarantor (including Other Guarantees) if
such guarantee ranks pari passu with or junior in right of payment to the
Debentures (other than (a) dividends or distributions in shares of, or options,
warrants, rights to subscribe for or purchase shares of, common shares of the
Guarantor, (b) any declaration of a dividend in connection with the
implementation of a stockholder's rights plan, or the issuance of stock under
any such plan in the future, or the redemption or repurchase of any such rights
pursuant thereto, (c) payments under the Series A Capital Securities Guarantee,
(d) the purchase of fractional shares resulting from a reclassification of the
Guarantor's capital stock, (e) the exchange or conversion of any class or series
of the Guarantor's (or any subsidiary's) capital stock for another class or
series of the Guarantor's (or any subsidiary's) capital stock or of any class or
series of the Guarantor's (or any subsidiary's) indebtedness, (f) the purchase
of fractional interests in shares of the Guarantor's capital stock pursuant to
the conversion or exchange provisions of such capital stock or the security
being converted or exchanged; and (g) repurchases,

21

redemptions or other acquisitions of shares of capital stock of the Guarantor or
any subsidiary under any employment agreement or benefit plan for the benefit of
the Guarantor's directors, officers, or employees, or any dividend reinvestment
or director, officer or employee stock purchase plan of the Guarantor).

SECTION 6.2. Ranking
-------

This Series A Capital Securities Guarantee will constitute an
unsecured obligation of the Guarantor and will rank (i) subordinate and junior
in right of payment to Senior Indebtedness (as defined in the Indenture), to the
same extent and in the same manner that the Debentures are subordinated to
Senior Indebtedness pursuant to the Indenture (except as indicated below), it
being understood that the terms of Article XIII of the Indenture shall apply to
the obligations of the Guarantor under this Series A Capital Securities
Guarantee as if (x) such Article XIII were set forth herein in full and (y) such
guarantee obligations provided were substituted for the term "Debentures"
appearing in such Article XIII, (ii) pari passu with any Other Guarantee and any
guarantee now or hereafter entered into by the Guarantor, and (iii) senior to
the Guarantor's common shares.

ARTICLE VII.
TERMINATION

SECTION 7.1. Termination
-----------

This Series A Capital Securities Guarantee shall terminate upon the
earliest of (i) the full payment of the Redemption Price (as defined in the
Trust Agreement) of all Series A Capital Securities, (ii) the liquidation of the
Issuer, the full payment of the amounts payable in accordance with the Trust
Agreement upon Liquidation of the Issuer or the distribution of the Debentures
to the Holders of all of the Series A Capital Securities or (iii) the exchange
of all Series A Capital Securities for the Series B Capital Securities pursuant
to the Exchange Offer. Notwithstanding the foregoing, this Series A Capital
Securities Guarantee will continue to be effective or will be reinstated, as the
case may be, if at any time any Holder of Series A Capital Securities must
restore payment of any sums paid under the Series A Capital Securities or under
this Series A Capital Securities Guarantee.

ARTICLE VIII.
COMPENSATION AND EXPENSES OF
CAPITAL SECURITIES GUARANTEE TRUSTEE

The Guarantor covenants and agrees to pay to the Capital Securities
Guarantee Trustee from time to time, and the Capital Securities Guarantee
Trustee shall be entitled to, such compensation as shall be agreed to in writing
between the Guarantor and the Capital Securities Guarantee Trustee (which

22

shall not be limited by any provision of law in regard to the compensation of a
trustee of an express trust), and the Guarantor will pay or reimburse the
Capital Securities Guarantee Trustee upon its request for all reasonable
expenses, disbursements and advances incurred or made by the Capital Securities
Guarantee Trustee in accordance with any of the provisions of this Capital
Securities Guarantee (including the reasonable compensation and the expenses and
disbursements of its counsel and of all persons not regularly in its employ)
except any such expense, disbursement or advance as may arise from its
negligence or bad faith. The Guarantor also covenants to indemnify each of the
Capital Securities Guarantee Trustee (and its officers, agents, directors and
employees) for, and to hold it harmless against, any and all loss, damage,
claim, liability or expense including taxes (other than taxes based on the
income of the Capital Securities Guarantee Trustee) incurred without negligence
or bad faith on the part of the Capital Securities Guarantee Trustee and arising
out of or in connection with the acceptance or administration of this guarantee,
including the costs and expenses of defending itself against any claim of
liability in the premises. The obligations of the Guarantor under this Article
VIII to compensate and indemnify the Capital Securities Guarantee Trustee and to
pay or reimburse the Capital Securities Guarantee Trustee for expenses,
disbursements and advances shall be secured by a lien prior to that of the
Series A Capital Securities upon all property and funds held or collected by the
Capital Securities Guarantee Trustee as such, except funds held in trust for the
benefit of the holders of particular Series A Capital Securities.

The provisions of this Article shall survive the termination of this
Capital Securities Guarantee or the resignation or removal of the Capital
Securities Guarantee Trustee.

ARTICLE IX.
INDEMNIFICATION

SECTION 9.1. Exculpation
-----------

(a) No Indemnified Person shall be liable, responsible or accountable
in damages or otherwise to the Guarantor or any Covered Person for any loss,
damage or claim inured by reason of any act or omission performed or omitted by
such Indemnified Person in good faith in accordance with this Series A Capital
Securities Guarantee and in a manner that such Indemnified Person reasonably
believed to be within the scope of the authority conferred on such Indemnified
Person by this Series A Capital Securities Guarantee or by law, except that an
Indemnified Person shall be liable for any such loss, damage or claim incurred
by reason of such Indemnified Person's negligence or willful misconduct with
respect to such acts or omissions.

23

(b) An Indemnified Person shall be fully protected in relying in good
faith upon the records of the Guarantor and upon such information, opinions,
reports or statements presented to the Guarantor by any Person as to matters the
Indemnified Person reasonably believes are within such other Person's
professional or expert competence and who has been selected with reasonable care
by or on behalf of the Guarantor, including information, opinions, reports or
statements as to the value and amount of the assets, liabilities, profits,
losses, or any other facts pertinent to the existence and amount of assets from
which Distributions to Holders of Series A Capital Securities might properly be
paid.

SECTION 9.2. Indemnification
---------------

The Guarantor agrees to indemnify each Indemnified Person for, and to
hold each Indemnified Person harmless against, any and all loss, liability,
damage, claim or expense incurred without negligence or bad faith on its part,
arising out of or in connection with the acceptance or administration of the
trust or trusts hereunder, including the costs and expenses (including
reasonable legal fees and expenses) of defending itself against, or
investigating, any claim or liability in connection with the exercise or
performance of any of its powers or duties hereunder. The obligation to
indemnify as set forth in this Section 8.2 shall survive the termination of this
Series A Capital Securities Guarantee.

ARTICLE X.
MISCELLANEOUS

SECTION 10.1 Successors and Assigns
----------------------

All guarantees and agreements contained in this Series A Capital
Securities Guarantee shall bind the successors, assigns, receivers, trustees and
representatives of the Guarantor and shall inure to the benefit of the Holders
of the Series A Capital Securities then outstanding.

SECTION 10.2. Amendments
----------

Except with respect to any changes that do not materially adversely
affect the rights of Holders (in which case no consent of Holders will be
required), this Series A Capital Securities Guarantee may only be amended with
the prior approval of the Holders of at least a Majority in Liquidation Amount
of the Series A Capital Securities (including the stated amount that would be
paid on redemption, liquidation or otherwise, plus accrued and unpaid
Distributions to the date upon which the voting percentages are determined).
The provisions of the Trust Agreement with respect to amendments thereof
(whether at a meeting or otherwise) shall apply to the giving of such approval.

24

SECTION 10.3. Notices
-------

All notices provided for in this Series A Capital Securities Guarantee
shall be in writing, duly signed by the party giving such notice, and shall be
delivered, telecopied or mailed by first class mail, as follows:

(a) If given to the Issuer, in care of the Property Trustee at the
Property Trustee's mailing address set forth below (or such other address as the
Property Trustee may give notice to the Holders of the Capital Securities):

The Bank of New York
101 Barclay Street
New York, New York 10286
Attention: Corporate Trust Administration
Telecopy: (212) 815-5915

with a copy to:

RenaissanceRe Holdings Ltd.
Renaissance House
8-12 East Broadway
Pembroke HM 19 Bermuda
Attention: Keith S. Hynes
Administrative Trustee
Telecopy: (441) 292-9453

(b) If given to the Capital Securities Guarantee Trustee, at the
Capital Securities Guarantee Trustee's mailing address set forth below (or such
other addresses the Capital Securities Guarantee Trustee may give notice of to
the Holders of the Capital Securities);

The Bank of New York
101 Barclay Street-21W
New York, New York 10286
Attention: Corporate Trust Trustee
Administration
Telecopy: (212) 815-5915

(c) If given to the Guarantor, at the Guarantor's mailing address set
forth below (or such other address as the Guarantor may give notice of to the
Holders of the Capital Securities):

25

RenaissanceRe Holdings Ltd.
Renaissance House
8-12 East Broadway
Pembroke HM 19 Bermuda
Attention: Keith S. Hynes
Senior Vice President and
Chief Financial Officer
Telecopy: (441) 292-9453

(d) If given to any Holder of Capital Securities, at the address set
forth on the books and records of the Issuer.

All such notices shall be deemed to have been given when received in
person, telecopied with receipt confirmed, or mailed by first class mail,
postage prepaid, except that if a notice or other document is refused delivery
or cannot be delivered because of a changed address of which no notice was
given, such notice or other document shall be deemed to have been delivered on
the date of such refusal or inability to deliver.

SECTION 10.4. Exchange Offer
--------------

In the event an Exchange Offer Registration Statement (as defined in
the Registration Rights Agreement) becomes effective and the Issuer issues
Series B Capital Securities in the Exchange Offer, the Guarantor will enter into
a new capital securities guarantee agreement with respect to the Series B
Capital Securities, in substantially the identical form as this Series A Capital
Securities Guarantee.

SECTION 10.5. Benefit
-------

This Series A Capital Securities Guarantee is solely for the benefit
of the Holders of the Capital Securities and, subject to Section 3.1(a), is not
separately transferable from the Series A Capital Securities.

SECTION 10.6. Governing Law
-------------

THIS SERIES A CAPITAL SECURITIES GUARANTEE SHALL BE GOVERNED BY, AND
CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK,
WITHOUT REGARD TO CONFLICTS OF LAWS PRINCIPLES.

26

THIS SERIES A CAPITAL SECURITIES GUARANTEE is executed as of the day
and year first above written.

RENAISSANCERE HOLDINGS LTD., as Guarantor


By: /s/ John D. Nichols, Jr.
-----------------------------
Name: John D. Nichols, Jr.
Title: Vice President
and Secretary


THE BANK OF NEW YORK, as Capital Securities
Guarantee Trustee


By: /s/ Byron Merino
----------------------------
Name: Byron Merino
Title: Assistant Treasurer

27