Document:

<PAGE>

                                                                    EXHIBIT 4.09

                                    FORM OF

                              AMENDED AND RESTATED

                                TRUST AGREEMENT

                                     Among

                                AmerUs Group Co.,

                                  as Depositor,
                    The Bank of New York Trust Company, N.A.
                              as Property Trustee,
                        The Bank of New York (Delaware)

                              as Delaware Trustee,

                                      and

                    THE ADMINISTRATIVE TRUSTEES NAMED HEREIN

                              Dated as of -, 200-

                               AmerUs Capital IV

<PAGE>

AmerUs Capital IV- Certain Sections of this Trust Agreement relating to Sections
310 through 318 of the Trust Indenture Act of 1939:

<TABLE>
<CAPTION>
TRUST INDENTURE
ACT SECTION                                                  TRUST AGREEMENT SECTION
-----------                                                  -----------------------
<S>                                                          <C>
(S) 310       (a)(1).....................................             8.7
              (a)(2).....................................             8.7
              (a)(3).....................................             8.9
              (a)(4).....................................             2.7(a)(ii)
              (b)........................................             8.8
(S) 311       (a)........................................             8.13
              (b)........................................             8.13
(S) 312       (a)........................................             5.7
              (b)........................................             5.7
              (c)........................................             5.7
(S) 313       (a)........................................             8.14(a)
              (a)(4).....................................             8.14(b)
              (b)........................................             8.14(b)
              (c)........................................             10.8
              (d)........................................             8.14(c)
(S) 314       (a)........................................             8.15
              (b)........................................             Not Applicable
              (c)(1).....................................             8.16
              (c)(2).....................................             8.16
              (c)(3).....................................             Not Applicable
              (d)........................................             Not Applicable
              (e)........................................             1.1, 8.16
(S) 315       (a)........................................             8.1(a), 8.3(a)
              (b)........................................             8.2, 10.8
              (c)........................................             8.1(a)
              (d)........................................             8.1, 8.3
              (e)........................................             Not Applicable
(S) 316       (a)........................................             Not Applicable
              (a)(1)(A)..................................             Not Applicable
              (a)(1)(B)..................................             Not Applicable
              (a)(2).....................................             Not Applicable
              (b)........................................             Not Applicable
              (c)........................................             6.7
(S) 317       (a)(1).....................................             Not Applicable
              (a)(2).....................................             Not Applicable
              (b)........................................             5.9
(S) 318       (a)........................................             10.10
</TABLE>

Note: This reconciliation and tie sheet shall not, for any purpose, be deemed to
be a part of the Trust Agreement.

<PAGE>

                                Table of Contents

<TABLE>
<CAPTION>
                                                                                                        Page
                                                                                                        ----
<S>                                                                                                     <C>
ARTICLE I DEFINED TERMS..........................................................................         2
   SECTION 1.1    Definitions....................................................................         2

ARTICLE II ESTABLISHMENT OF THE TRUST............................................................        10
   SECTION 2.1    Name...........................................................................        10
   SECTION 2.2    Office of the Delaware Trustee; Principal Place of Business....................        10
   SECTION 2.3    Initial Contribution of Trust Property; Organizational Expenses................        10
   SECTION 2.4    Issuance of the Preferred Securities...........................................        10
   SECTION 2.5    Subscription and Purchase of Debentures; Issuance of the Common Securities.....        10
   SECTION 2.6    Declaration of Trust...........................................................        11
   SECTION 2.7    Authorization to Enter into Certain Transactions...............................        11
   SECTION 2.8    Assets of Trust................................................................        14
   SECTION 2.9    Title to Trust Property........................................................        14

ARTICLE III PAYMENT ACCOUNT......................................................................        15
   SECTION 3.1    Payment Account................................................................        15

ARTICLE IV DISTRIBUTIONS; REDEMPTION.............................................................        15
   SECTION 4.1    Distributions..................................................................        15
   SECTION 4.2    Redemption.....................................................................        16
   SECTION 4.3    Subordination of Common Securities.............................................        18
   SECTION 4.4    Payment Procedures.............................................................        18
   SECTION 4.5    Tax Returns and Reports........................................................        18
   SECTION 4.6    Payment of Taxes, Duties, Etc. of the Trust....................................        19
   SECTION 4.7    Payments under Indenture.......................................................        19

ARTICLE V TRUST SECURITIES CERTIFICATES..........................................................        19
   SECTION 5.1    Initial Ownership..............................................................        19
   SECTION 5.2    The Trust Securities Certificates..............................................        19
   SECTION 5.3    Delivery of Trust Securities Certificates......................................        19
   SECTION 5.4    Registration of Transfer and Exchange of Preferred Securities Certificates.....        20
   SECTION 5.5    Mutilated, Destroyed, Lost or Stolen Trust Securities Certificates.............        21
   SECTION 5.6    Persons Deemed Securityholders.................................................        21
   SECTION 5.7    Access to List of Securityholders' Names and Addresses.........................        21
   SECTION 5.8    Maintenance of Office or Agency................................................        22
   SECTION 5.9    Appointment of Paying Agent....................................................        22
   SECTION 5.10   Ownership of Common Securities by Depositor....................................        22
   SECTION 5.11   Book-Entry Preferred Securities Certificates; Common Securities Certificate....        23
   SECTION 5.12   Notices to Clearing Agency.....................................................        23
</TABLE>

<PAGE>

<TABLE>
<S>                                                                                                      <C>
   SECTION 5.13   Definitive Preferred Securities Certificates...................................        24
   SECTION 5.14   Rights of Securityholders......................................................        24

ARTICLE VI ACTS OF SECURITYHOLDERS; MEETINGS; VOTING.............................................        24
   SECTION 6.1    Limitations on Voting Rights...................................................        25
   SECTION 6.2    Notice of Meetings.............................................................        25
   SECTION 6.3    Meetings of Preferred Securityholders..........................................        26
   SECTION 6.4    Voting Rights..................................................................        26
   SECTION 6.5    Proxies, etc...................................................................        26
   SECTION 6.6    Securityholder Action by Written Consent.......................................        27
   SECTION 6.7    Record Date for Voting and Other Purposes......................................        27
   SECTION 6.8    Acts of Securityholders........................................................        27
   SECTION 6.9    Inspection of Records..........................................................        28

ARTICLE VII REPRESENTATIONS AND WARRANTIES.......................................................        28
   SECTION 7.1    Representations and Warranties the Property Trustee and the Delaware Trustee...        28
   SECTION 7.2    Representations and Warranties of Depositor....................................        30

ARTICLE VIII THE TRUSTEES........................................................................        30
   SECTION 8.1    Certain Duties and Responsibilities............................................        30
   SECTION 8.2    Notice of Defaults.............................................................        31
   SECTION 8.3    Certain Rights of Property Trustee.............................................        32
   SECTION 8.4    Not Responsible for Recitals or Issuance of Securities.........................        34
   SECTION 8.5    May Hold Securities............................................................        34
   SECTION 8.6    Compensation; Indemnity; Fees..................................................        34
   SECTION 8.7    Corporate Property Trustee Required; Eligibility of Trustees...................        35
   SECTION 8.8    Conflicting Interests..........................................................        36
   SECTION 8.9    Co-Trustees and Separate Trustee...............................................        36
   SECTION 8.10   Resignation and Removal; Appointment of Successor..............................        37
   SECTION 8.11   Acceptance of Appointment by Successor.........................................        39
   SECTION 8.12   Merger, Conversion, Consolidation or Succession to Business....................        40
   SECTION 8.13   Preferential Collection of Claims Against Depositor or Trust...................        40
   SECTION 8.14   Reports by Property Trustee....................................................        40
   SECTION 8.15   Reports to the Property Trustee................................................        41
   SECTION 8.16   Evidence of Compliance with Conditions Precedent...............................        41
   SECTION 8.17   Number of Trustees.............................................................        41
   SECTION 8.18   Delegation of Power............................................................        42

ARTICLE IX DISSOLUTION, LIQUIDATION AND MERGER...................................................        42
   SECTION 9.1    Dissolution Upon Expiration Date...............................................        42
   SECTION 9.2    Early Dissolution..............................................................        42
   SECTION 9.3    Termination....................................................................        42
   SECTION 9.4    Liquidation....................................................................        43
   SECTION 9.5    Mergers, Consolidations or Replacements of the Trust...........................        44

ARTICLE X MISCELLANEOUS PROVISIONS...............................................................        45
</TABLE>

<PAGE>

<TABLE>
<S>                                                                                                      <C>
   SECTION 10.1   Limitation of Rights of Securityholders........................................        46
   SECTION 10.2   Amendment......................................................................        46
   SECTION 10.3   Separability...................................................................        47
   SECTION 10.4   Governing Law..................................................................        47
   SECTION 10.5   Payments Due on Non-Business Day...............................................        48
   SECTION 10.6   Successors.....................................................................        48
   SECTION 10.7   Headings.......................................................................        48
   SECTION 10.8   Reports, Notices and Demands...................................................        48
   SECTION 10.9   Agreement Not to Petition......................................................        49
   SECTION 10.10  Trust Indenture Act; Conflict with Trust Indenture Act.........................        49
   SECTION 10.11  Acceptance of Terms of Trust Agreement, Guarantee and Indenture................        50
</TABLE>

Exhibit A Certificate of Trust
Exhibit B Form of Certificate Depository Agreement
Exhibit C Form of Common Securities Certificate
Exhibit D Form of Expense Agreement
Exhibit E Form of Preferred Securities

<PAGE>

            AMENDED AND RESTATED TRUST AGREEMENT, dated as of -, 200-, among (i)
AmerUs Group Co., an Iowa corporation (including any successors or assigns, the
"Depositor"), (ii) The Bank of New York Trust Company, N.A., a national banking
association, as property trustee (the "Property Trustee,"), (iii) The Bank of
New York (Delaware), as Delaware trustee (the "Delaware Trustee,"), (iii)
________, an individual, and __________, an individual, each of whose address is
c/o AmerUs Group Co, 699 Walnut Street Des Moines, Iowa 50309 (each an
"Administrative Trustee" and collectively the "Administrative Trustees") (the
Property Trustee, the Delaware Trustee and the Administrative Trustees referred
to collectively as the "Trustees") and (iv) the several Holders, as hereinafter
defined.

                              W I T N E S S E T H:

            WHEREAS, the Depositor and the Delaware Trustee have heretofore duly
declared and established a statutory trust pursuant to the Delaware Statutory
Trust Act by the entering into of that certain Trust Agreement, dated as of
July      , 2005 (the "Original Trust Agreement"), and by the execution and
filing by the Delaware Trustee with the Secretary of State of the State of
Delaware of the Certificate of Trust, filed on July , 2005, attached as Exhibit
A; and

            WHEREAS, the parties thereto desire to amend and restate the
Original Trust Agreement in its entirety as set forth herein to provide for,
among other things, (i) the issuance of the Common Securities by the Trust to
the Depositor, (ii) the issuance and sale of the Preferred Securities by the
Trust pursuant to the Underwriting Agreement, (iii) the acquisition by the Trust
from the Depositor of all of the right, title and interest in the Debentures and
(iv) the appointment of the Administrative Trustees;

            NOW THEREFORE, in consideration of the agreements and obligations
set forth herein and for other good and valuable consideration, the sufficiency
of which is hereby acknowledged, each party, for the benefit of the other party
and for the benefit of the Securityholders, hereby amends and restates the
Original Trust Agreement in its entirety and agrees as follows:

<PAGE>

                                    ARTICLE I
                                  DEFINED TERMS

      SECTION 1.1 DEFINITIONS.

            For all purposes of this Trust Agreement, except as otherwise
expressly provided or unless the context otherwise requires:

            (a) the terms defined in this Article have the meanings assigned to
them in this Article and include the plural as well as the singular;

            (b) all other terms used herein that are defined in the Trust
Indenture Act, either directly or by reference therein, have the meanings
assigned to them therein;

            (c) unless the context otherwise requires, any reference to an
"Article" or a "Section" refers to an Article or a Section, as the case may be,
of this Trust Agreement; and

            (d) the words "herein", "hereof" and "hereunder" and other words of
similar import refer to this Trust Agreement as a whole and not to any
particular Article, Section or other subdivision.

            "Act" has the meaning specified in Section 6.8.

            "Additional Amount" means, with respect to Trust Securities of a
given Liquidation Amount and/or a given period, the amount of Additional
Interest (as defined in the Indenture) paid by the Depositor on a Like Amount of
Debentures for such period.

            "Administrative Trustee" means each of - and -, solely in his
capacity as Administrative Trustee of the Trust not in his individual capacity,
or such Administrative Trustee's successor in interest in such capacity, or any
successor trustee appointed as herein provided.

            "Affiliate" of any specified Person means any other Person directly
or indirectly controlling or controlled by or under direct or indirect common
control with such specified Person. For the purposes of this definition,
"control" when used with respect to any specified Person means the power to
direct the management and policies of such Person, directly or indirectly,
whether through the ownership of voting securities, by contract or otherwise;
and the terms "controlling" and "controlled" have meanings correlative to the
foregoing.

            "Bankruptcy Event" means, with respect to any Person:

            (a) the entry of a decree or order by a court having jurisdiction in
the premises judging such Person a bankrupt or insolvent, or approving as
properly filed a petition seeking reorganization, arrangement, adjudication or
composition of or in respect of such Person under any applicable Federal or
State bankruptcy, insolvency, reorganization or other similar law, or appointing
a receiver, liquidator, assignee, trustee, sequestrator (or other similar
official) of such Person or of any substantial part of its property or ordering
the winding up or liquidation of its

<PAGE>

affairs, and the continuance of any such decree or order unstayed and in effect
for a period of 60 consecutive days; or

            (b) the institution by such Person of proceedings to be adjudicated
a bankrupt or insolvent, or the consent by it to the institution of bankruptcy
or insolvency proceedings against it, or the filing by it of a petition or
answer or consent seeking reorganization or relief under any applicable Federal
or State bankruptcy, insolvency, reorganization or other similar law, or the
consent by it to the filing of any such petition or to the appointment of a
receiver, liquidator, assignee, trustee, sequestrator (or similar official) of
such Person or of any substantial part of its property, or the making by it of
an assignment for the benefit of creditors, or the admission by it in writing of
its inability to pay its debts generally as they become due and its willingness
to be adjudicated a bankrupt, or the taking of corporate action by such Person
in furtherance of any such action.

            "Bankruptcy Laws" has the meaning specified in Section 10.9.

            "Board Resolution" means a copy of a resolution certified by the
Secretary or an Assistant Secretary of the Depositor to have been duly adopted
by the Depositor's Board of Directors, or such committee of the Board of
Directors or officers of the Depositor to which authority to act on behalf of
the Board of Directors has been delegated, and to be in full force and effect on
the date of such certification, and delivered to the Trustee.

            "Book Entry Preferred Securities Certificates" means a beneficial
interest in the Preferred Securities Certificates, ownership and transfers of
which shall be made through book entries by a Clearing Agency as described in
Section 5.11.

            "Business Day" means a day other than (a) a Saturday or Sunday, (b)
a day on which banking institutions in The City of New York are authorized or
required by law or executive order to remain closed, or (c) a day on which the
Property Trustee's Corporate Trust Office or the Corporate Trust Office of the
Debenture Trustee is closed for business.

            "Certificate Depository Agreement" means the agreement among the
Trust, the Depositor and The Depository Trust Company, as the initial Clearing
Agency, dated as of the Closing Date, relating to the Trust Certificates,
substantially in the form attached as Exhibit B, as the same may be amended and
supplemented from time to time.

            "Clearing Agency" means an organization registered as a "clearing
agency" pursuant to Section 17A of the Securities Exchange Act of 1934, as
amended. The Depository Trust Company will be the initial Clearing Agency.

            "Clearing Agency Participant" means a broker, dealer, bank, other
financial institution or other Person for whom from time to time a Clearing
Agency effects book-entry transfers and pledges of securities deposited with the
Clearing Agency.

            "Closing Date" means the First Time of Delivery as defined in the
Underwriting Agreement, which date is also the date of execution and delivery of
this Trust Agreement.

            "Code" means the Internal Revenue Code of 1986, as amended.

<PAGE>

            "Commission" means the Securities and Exchange Commission, as from
time to time constituted, created under the Securities Exchange Act of 1934, as
amended, or, if at any time after the execution of this instrument such
Commission is not existing and performing the duties now assigned to it under
the Trust Indenture Act, then the body performing such duties at such time.

            "Common Security" means an undivided beneficial interest in the
assets of the Trust, having a Liquidation Amount of $___ and having the rights
provided therefor in this Trust Agreement, including the right to receive
Distributions and a Liquidation Distribution as provided herein.

            "Common Securities Certificate" means a certificate evidencing
ownership of Common Securities, substantially in the form attached as Exhibit C.

            "Corporate Trust Office" means (i) in the case of the Property
Trustee, the principal office of the Property Trustee, which as of the closing
Date is located in the State of Illinois; and (ii) in the case of the Debenture
Trustee, the principal office of the Debenture Trustee, which as of the Closing
Date is located in the State of Illinois.

            "Debenture Event of Default" means an "Event of Default" as defined
in the Indenture.

            "Debenture Redemption Date" means, with respect to any Debentures to
be redeemed under the Indenture, the date fixed for redemption under the
Indenture.

            "Debentures" means the $- aggregate principal amount of the
Depositor's -% Junior Subordinated Deferrable Interest Debentures, Series -,
issued pursuant to the Indenture.

            "Debenture Trustee" means The Bank of New York Trust Company, N.A. a
national banking association, and any successor thereto, not in its individual
capacity but solely in its capacity as trustee.

            "Definitive Preferred Securities Certificates" means either or both
(as the context requires) of (a) Preferred Securities Certificates issued in
certificated, fully registered form as provided in Section 5.11(a) and (b)
Preferred Securities Certificates issued in certificated, fully registered form
as provided in Section 5.13.

            "Delaware Statutory Trust Act" means Chapter 38 of Title 12 of the
Delaware Code, 12 Del. C. (S) 3801, et seq., as it may be amended from time to
time.

            "Delaware Trustee" means the commercial bank or trust company
identified as the "Delaware Trustee" in the preamble to this Trust Agreement
solely in its capacity as Delaware Trustee of the Trust and not in its
individual capacity, or its successor in interest in such capacity, or any
successor trustee appointed as herein provided.

            "Depositor" has the meaning specified in the preamble to this Trust
Agreement.

            "Distribution Date" has the meaning specified in Section 4.1(a).

<PAGE>

            "Distributions" means amounts payable in respect of the Trust
Securities as provided in Section 4.1.

            "Event of Default" means any one of the following events (whatever
the reason for such Event of Default and whether it shall be voluntary or
involuntary or be effected by operation of law or pursuant to any judgment,
decree or order of any court or any order, rule or regulation of any
administrative or governmental body):

            (a) the occurrence of a Debenture Event of Default; or

            (b) default by the Trust in the payment of any Distribution when it
becomes due and payable, and continuation of such default for a period of 30
days; or

            (c) default by the Trust in the payment of any Redemption Price of
any Trust Security when it becomes due and payable; or

            (d) default in the performance, or breach, in any material respect,
of any covenant or warranty of the Trustees in this Trust Agreement (other than
a covenant or warranty a default in whose performance or breach is dealt with in
clause (b) or (c), above) and continuation of such default or breach for a
period of 60 days after there has been given, by registered or certified mail,
to the defaulting Trustee or Trustees by the Holders of at least 10% in
Liquidation Amount of the Outstanding Preferred Securities a written notice
specifying such default or breach and requiring it to be remedied and stating
that such notice is a "Notice of Default" hereunder; or

            (e) the occurrence of a Bankruptcy Event with respect to the
Property Trustee and the failure by the Depositor to appoint a successor
Property Trustee within 60 days thereof.

            "Expense Agreement" means the Agreement as to Expenses and
Liabilities between the Depositor and the Trust, substantially in the form
attached as Exhibit D, as amended from time to time.

            "Expenses" has the meaning specified in Section 8.6(c).

            "Expiration Date" has the meaning specified in Section 9.1.

            "Grantor Trust Event" has the meaning specified in Section 9.2(b).

            "Guarantee" means the Guarantee Agreement executed and delivered by
the Depositor and The Bank of New York Trust Company, N.A., as trustee,
contemporaneously with the execution and delivery of this Trust Agreement, for
the benefit of the holders of the Preferred Securities, as amended from time to
time.

            "Indenture" means the Junior Subordinated Indenture, dated as of -,
-, as supplemented by a Supplemental Indenture No. -, dated as of -, -, between
the Depositor and the Debenture Trustee, as trustee, as amended or supplemented
from time to time.

            "Independent Legal Counsel" has the meaning specified in Section
6.8.

<PAGE>

            "Investment Company Event" means the occurrence of a change in law
or regulation or a change in interpretation or application of law or regulation
by any legislative body, court, governmental agency or regulatory authority (a
"Change in 1940 Act Law") to the effect that the Trust is or will be considered
an "investment company" that is required to be registered under the 1940 Act,
which Change in 1940 Act Law becomes effective on or after the date of original
issuance of the Preferred Securities under this Trust Agreement.

            "Lien" means any lien, pledge, charge, encumbrance, mortgage, deed
of trust, adverse ownership interest, hypothecation, assignment, security
interest or preference, priority or other security agreement or preferential
arrangement of any kind or nature whatsoever.

            "Like Amount" means (a) with respect to a redemption of Trust
Securities, Trust Securities having a Liquidation Amount equal to the principal
amount of Debentures to be contemporaneously redeemed in accordance with the
Indenture the proceeds of which will be used to pay the Redemption Price of such
Trust Securities, and (b) with respect to a distribution of Debentures to
Holders of Trust Securities in connection with a dissolution or liquidation of
the Trust, Debentures having a principal amount equal to the Liquidation Amount
of the Trust Securities of the Holder to whom such Debentures are distributed.

            "Liquidation Amount" means the stated amount of $___ per Trust
Security.

            "Liquidation Date" means each Date on which Debentures are to be
distributed to Holders of Trust Securities in connection with a termination and
liquidation of the Trust pursuant to Section 9.4(a).

            "Liquidation Distribution" has the meaning specified in Section
9.4(d).

            "1940 Act" means the Investment Company Act of 1940, as amended.

            "Officers' Certificate" means a certificate signed by the Chairman,
President, Chief Executive Officer or a Vice President, and by the Treasurer, an
Associate Treasurer, an Assistant Treasurer, the Controller, the Secretary or an
Assistant Secretary, of the Depositor, and delivered to the appropriate Trustee.
One of the officers signing an Officers' Certificate given pursuant to Section
8.6 shall be the principal executive, financial or accounting officer of the
Depositor. Any Officers' Certificate delivered with respect to compliance with a
condition or covenant provided for in this Trust Agreement shall include:

            (a) a statement that each officer signing the Officers' 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 Officers' 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

<PAGE>

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

            "Opinion of Counsel" means a written opinion of counsel, who may be
counsel for the Trust or the Depositor, but not an employee of any thereof.

            "Original Trust Agreement" has the meaning specified in the recitals
to this Trust Agreement.

            "Outstanding", when used with respect to Preferred Securities,
means, as of the date of determination, all Preferred Securities theretofore
executed and delivered under this Trust Agreement, except:

            (a) Preferred Securities theretofore cancelled by the Administrative
Trustees or delivered to the Administrative Trustees for cancellation;

            (b) Preferred Securities for whose payment or redemption money in
the necessary amount has been theretofore deposited with the Property Trustee or
any Paying Agent for the Holders of such Preferred Securities; provided that, if
such Preferred Securities are to be redeemed, notice of such redemption has been
duly given pursuant to this Trust Agreement; and

            (c) Preferred Securities which have been paid or in exchange for or
in lieu of which other Preferred Securities have been executed and delivered
pursuant to Section 5.5; provided, however, that in determining whether the
Holders of the requisite Liquidation Amount of the Outstanding Preferred
Securities have given any request, demand, authorization, direction, notice,
consent or waiver hereunder, Preferred Securities owned by the Depositor, any
Trustee or any Affiliate of the Depositor or any Trustee shall be disregarded
and deemed not to be Outstanding, except that (a) in determining whether any
Trustee shall be protected in relying upon any such request, demand,
authorization, direction, notice, consent or waiver, only Preferred Securities
that a Responsible Officer of such Trustee knows to be so owned shall be so
disregarded and (b) the foregoing shall not apply at any time when all of the
outstanding Preferred Securities are owned by the Depositor, one or more of the
Trustees and/or any such Affiliate. Preferred Securities so owned which have
been pledged in good faith may be regarded as Outstanding if the pledge
establishes to the satisfaction of the Administrative Trustees the pledgee's
right so to act with respect to such Preferred Securities and that the pledge is
not the Depositor or any Affiliate of the Depositor.

            "Owner" means each Person who is the beneficial owner of a Book
Entry Preferred Securities Certificate as reflected in the records of the
Clearing Agency or, if a Clearing Agency Participant is not the Owner, then as
reflected in the records of a Person maintaining an account with such Clearing
Agency (directly or indirectly, in accordance with the rules of such Clearing
Agency).

            "Paying Agent" means any paying agent or co-paying agent appointed
pursuant to Section 5.9 and shall initially be the Property Trustee.

            "Payment Account" means a segregated non-interest-bearing corporate
trust account maintained by the Property Trustee in its trust department for the
benefit of the

<PAGE>

Securityholders in which all amounts paid in respect of the Debentures will be
held and from which the Property Trustee shall make payments to the
Securityholders in accordance with Section 4.1.

            "Person" means any individual, corporation, partnership, joint
venture, trust, limited liability company or corporation, unincorporated
organization or government or any agency or political subdivision thereof.

            "Preferred Security" means an undivided beneficial interest in the
assets of the Trust, having a Liquidation Amount of $25 and having the rights
provided therefor in this Trust Agreement, including the right to receive
Distributions and a Liquidation Distribution as provided herein.

            "Preferred Securities Certificate" means a certificate evidencing
ownership of Preferred Securities, substantially in the form attached as Exhibit
E.

            "Property Trustee" means the commercial bank or trust company
identified as the "Property Trustee" in the preamble to this Trust Agreement
solely in its capacity as Property Trustee of the Trust and not in its
individual capacity, or its successor in interest in such capacity, or any
successor property trustee appointed as herein provided.

            "Redemption Date" means, with respect to any Trust Security to be
redeemed, the date fixed for such redemption by or pursuant to this Trust
Agreement; provided that each Debenture Redemption Date and the stated maturity
of the Debentures shall be a Redemption Date for a Like Amount of Trust
Securities.

            "Redemption Price" means, with respect to any Trust Security, the
Liquidation Amount of such Trust Security, plus accumulated and unpaid
Distributions to the date of redemption, plus the related amount of the premium,
if any, paid by the Depositor upon the concurrent redemption of a Like Amount of
Debentures, allocated on a pro rata basis (based on Liquidation Amounts) among
the Trust Securities.

            "Relevant Trustee" shall have the meaning specified in Section 8.10.

            "Responsible Officer" means, with respect to the Property Trustee or
Delaware Trustee, any officer within the Corporate Trust Office of the Property
Trustee or Delaware Trustee with direct responsibility for the administration of
this Trust Agreement, including any vice-president, any assistant vice
president, the treasurer, any assistant treasurer, any trust officer or other
officer of the Corporate Trust Office of the Property Trustee or Delaware
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 and who shall have direct responsibility for the administration of this
Indenture.

            "Securities Register" and "Securities Registrar" have the respective
meanings specified in Section 5.4.

<PAGE>

            "Securityholder" or "Holder" means a Person in whose name a Trust
Security or Securities is registered in the Securities Register; any such Person
shall be deemed to be a beneficial owner within the meaning of the Delaware
Statutory Trust Act.

            "Special Event" has the meaning specified in Section 9.2(b).

            "Tax Event" means the receipt by the Trust of an Opinion of Counsel
experienced in such matters to the effect that, as a result of any amendment to,
or change (including any announced prospective change) in, the laws (or any
regulations thereunder) of the United States or any political subdivision or
taxing authority thereof or therein affecting taxation, or as a result of any
official administrative pronouncement or judicial decision interpreting or
applying such laws or regulations, which amendment or change is effective or
such pronouncement or decision is announced on or after the date of issuance of
the Preferred Securities under this Trust Agreement, there is more than an
insubstantial risk that (i) the Trust is, or will be within 90 days after the
date thereof, subject to United States Federal income tax with respect to income
received or accrued on the Debentures, (ii) interest payable by the Depositor on
the Debentures is not, or within 90 days after the date thereof, will not be,
deductible, in whole or in part, for United States Federal income tax purposes
or (iii) the Trust is, or will be within 90 days after the date thereof, subject
to more than a de minimis amount of other taxes, duties, assessments or other
governmental charges.

            "Trust" means the Delaware statutory trust continued hereby and
identified on the cover page to this Trust Agreement.

            "Trust Agreement" means this Amended and Restated Trust Agreement,
as the same may be modified, amended or supplemented in accordance with the
applicable provisions hereof, including all exhibits hereto, including, for all
purposes of this Trust Agreement and any such modification, amendment or
supplement, the provisions of the Trust Indenture Act that are deemed to be a
part of and govern this Trust Agreement and any such modification, amendment or
supplement, respectively.

            "Trust Indenture Act" means the Trust Indenture Act of 1939 as in
force at the date as of which this instrument was executed; provided, however,
that in the event the Trust Indenture Act of 1939 is amended after such date,
"Trust Indenture Act" means, to the extent required by any such amendment, the
Trust Indenture Act of 1939 as so amended.

            "Trust Property" means (a) the Debentures, (b) any cash on deposit
in, or owing to, the Payment Account and (c) all proceeds and rights in respect
of the foregoing and any other property and assets for the time being held or
deemed to be held by the Property Trustee pursuant to the trusts of this Trust
Agreement.

            "Trust Security" means any one of the Common Securities or the
Preferred Securities.

            "Trust Securities Certificate" means any one of the Common
Securities Certificates or the Preferred Securities Certificates.

<PAGE>

            "Underwriting Agreement" means the Underwriting Agreement, dated as
of -, -, among the Trust, the Depositor and the Underwriters named therein.

                                   ARTICLE II
                           ESTABLISHMENT OF THE TRUST

      SECTION 2.1 NAME.

            The Trust continued hereby shall be known as "AmerUs Capital IV," as
such name may be modified from time to time by the Administrative Trustees
following written notice to the Holders of Trust Securities and the other
Trustees, in which name the Trustees may conduct the business of the Trust, make
and execute contracts and other instruments on behalf of the Trust and sue and
be sued.

      SECTION 2.2 OFFICE OF THE DELAWARE TRUSTEE; PRINCIPAL PLACE OF BUSINESS.

            The address of the Delaware Trustee in the State of Delaware is c/o
The Bank of New York (Delaware), 502 White Clay Center, Route 273, Newark,
Delaware 19711, or such other address in the State of Delaware as the Delaware
Trustee may designate by written notice to the Securityholders and the
Depositor. The principal executive office of the Trust is c/o AmerUs Group Co.,
Inc., 699 Walnut Street, Des Moines, Iowa 50309.

      SECTION 2.3 INITIAL CONTRIBUTION OF TRUST PROPERTY; ORGANIZATIONAL
EXPENSES.

            The Property Trustee acknowledges receipt in trust from the
Depositor in connection with the Original Trust Agreement of the sum of $10,
which constituted the initial Trust Property. The Depositor shall pay
organizational expenses of the Trust as they arise or shall, upon request of any
Trustee, promptly reimburse such Trustee for any such expenses paid by such
Trustee. The Depositor shall make no claim upon the Trust Property for the
payment of such expenses.

      SECTION 2.4 ISSUANCE OF THE PREFERRED SECURITIES.

            Contemporaneously with the execution and delivery of this Trust
Agreement, an Administrative Trustee, on behalf of the Trust, shall execute in
accordance with Section 5.2 hereof and deliver to the Underwriters named in the
Underwriting Agreement, executed and delivered in connection with the issuance
of Preferred Securities, Preferred Securities Certificates, registered in the
name of the nominee of the initial Clearing Agency, in an aggregate amount of -
Preferred Securities having an aggregate Liquidation Amount of $-, against
receipt of the aggregate purchase price of such Preferred Securities of $-,
which amount the Administrative Trustees shall promptly deliver to the Property
Trustee.

      SECTION 2.5 SUBSCRIPTION AND PURCHASE OF DEBENTURES; ISSUANCE OF THE
COMMON SECURITIES.

<PAGE>

            Contemporaneously with the execution and delivery of this Trust
Agreement, the Administrative Trustees, on behalf of the Trust, shall subscribe
to and purchase from the Depositor Debentures, registered in the name of the
Trust and having an aggregate principal amount equal to $-, and, in satisfaction
of the purchase price for such Debentures, the Property Trustee, on behalf of
the Trust, shall deliver to the Depositor the sum of $-. Contemporaneously
therewith, an Administrative Trustee, on behalf of the Trust, shall execute in
accordance with Section 5.2 and deliver to the Depositor Common Securities
Certificates, registered in the name of the Depositor, in an aggregate amount of
- Common Securities having an aggregate Liquidation Amount of $- against payment
by the Depositor of the sum of $-.

      SECTION 2.6 DECLARATION OF TRUST.

            The exclusive purposes and functions of the Trust are (a) to issue
and sell Trust Securities and use the proceeds from such sale to acquire the
Debentures, and (b) to engage in those activities necessary, convenient or
incidental thereto. The Depositor hereby appoints the Trustees as trustees of
the Trust, to have all the rights, powers and duties to the extent set forth
herein, and the Trustees hereby accept such appointment. The Property Trustee
hereby declares that it will hold the Trust Property in trust upon and subject
to the conditions set forth herein for the benefit of the Securityholders. The
Administrative Trustees shall have all rights, powers and duties set forth
herein and in accordance with applicable law with respect to accomplishing the
purposes of the Trust. The Delaware Trustee shall not be entitled to exercise
any powers, nor shall the Delaware Trustee have any of the duties and
responsibilities, of the Property Trustee or the Administrative Trustees set
forth herein. The Delaware Trustee shall be one of the Trustees of the Trust for
the sole and limited purpose of fulfilling the requirements of Section 3807 of
the Delaware Statutory Trust Act.

      SECTION 2.7 AUTHORIZATION TO ENTER INTO CERTAIN TRANSACTIONS.

            (a) The Trustees shall conduct the affairs of the Trust in
accordance with the terms of this Trust Agreement. Subject to the limitations
set forth in paragraph (b) of this Section, and in accordance with the following
provisions (i) and (ii), the Administrative Trustees shall have the authority to
enter into all transactions and agreements determined by the Trustees to be
appropriate in exercising the authority, express or implied, otherwise granted
to the Trustees under this Trust Agreement, and to perform all acts in
furtherance thereof, including without limitation, the following:

                  (i) As among the Trustees, each Administrative Trustee shall
      have the power and authority to act on behalf of the Trust with respect to
      the following matters:

                        (A) The issuance and sale of the Trust Securities;

                        (B) to cause the Trust to enter into, and to execute,
            deliver and perform on behalf of the Trust, the Expense Agreement
            and the Certificate Depository Agreement and such other agreements
            as may be necessary or desirable in connection with the purposes and
            function of the Trust;

                        (C) assisting in the registration of the Preferred
            Securities under the Securities Act of 1933, as amended, and under
            state securities or blue sky laws,

<PAGE>

            and the qualification of this Trust Agreement as a trust indenture
            under the Trust Indenture Act;

                        (D) assisting in the listing of the Preferred Securities
            upon such securities exchange or exchanges as shall be determined by
            the Depositor and the registration of the Preferred Securities under
            the Securities Exchange Act of 1934, as amended, and the preparation
            and filing of all periodic and other reports and other documents
            pursuant to the foregoing;

                        (E) the sending of notices (other than notices of
            default) and other information regarding the Trust Securities and
            the Debentures to the Securityholders in accordance with this Trust
            Agreement;

                        (F) the appointment of a Paying Agent, authenticating
            agent and Securities Registrar in accordance with this Trust
            Agreement;

                        (G) registering transfer of the Trust Securities in
            accordance with this Trust Agreement;

                        (H) to the extent provided in this Trust Agreement, the
            winding up of the affairs of and liquidation of the Trust and the
            preparation, execution and filing of the certificate of cancellation
            with the Secretary of State of the State of Delaware;

                        (I) unless as otherwise required by the Delaware
            Statutory Trust Act or the Trust Indenture Act, to execute on behalf
            of the Trust (either acting alone or together with any or all of the
            Administrative Trustees) any documents that the Administrative
            Trustees have the power to execute pursuant to this Trust Agreement;
            and

                        (J) the taking of any action incidental to the foregoing
            as the Trustees may from time to time determine is necessary or
            advisable to give effect to the terms of this Trust Agreement for
            the benefit of the Securityholders (without consideration of the
            effect of any such action on any particular Securityholder).

                  (ii) As among the Trustees, the Property Trustee shall have
      the power, duty and authority to act on behalf of the Trust with respect
      to the following matters:

                        (A) the establishment of the Payment Account;

                        (B) the receipt of the Debentures;

                        (C) the collection of interest, principal and any other
            payments made in respect of the Debentures in the Payment Account;

                        (D) the distribution of amounts owed to the
            Securityholders in respect of the Trust Securities;

<PAGE>

                        (E) the exercise of all of the rights, powers and
            privileges of a holder of the Debentures;

                        (F) the sending of notices of default and other
            information regarding the Trust Securities and the Debentures to the
            Securityholders in accordance with this Trust Agreement;

                        (G) the distribution of the Trust Property in accordance
            with the terms of this Trust Agreement;

                        (H) to the extent provided in this Trust Agreement, the
            winding up of the affairs of and liquidation of the Trust and the
            preparation, execution and filing of the certificate of cancellation
            with the Secretary of State of the State of Delaware;

                        (I) after an Event of Default the taking of any action
            incidental to the foregoing as the Property Trustee may from time to
            time determine is necessary or advisable to give effect to the terms
            of this Trust Agreement and protect and conserve the Trust Property
            for the benefit of the Securityholders (without consideration of the
            effect of any such action on any particular Securityholder);

                        (J) registering transfers of the Trust Securities in
            accordance with this Trust Agreement; and

                        (K) subject to this Section 2.7(a)(ii), the Property
            Trustee shall have none of the duties, liabilities, powers or the
            authority of the Administrative Trustees set forth in Section
            2.7(a)(i).

            (b) So long as this Trust Agreement remains in effect, the Trust (or
the Trustees acting on behalf of the Trust) shall not undertake any business,
activities or transaction except as expressly provided herein or contemplated
hereby. In particular, the Trustees shall not (i) acquire any investments or
engage in any activities not authorized by this Trust Agreement, (ii) sell,
assign, transfer, exchange, mortgage, pledge, set-off or otherwise dispose of
any of the Trust Property or interests therein, including to Securityholders,
except as expressly provided herein, (iii) take any action that would cause the
Trust to fail or cease to qualify as a "grantor trust" for federal income tax
purposes, (iv) incur any indebtedness for borrowed money or issue any other debt
or (v) take or consent to any action that would result in the placement of a
Lien on any of the Trust Property. The Administrative Trustees shall defend all
claims and demands of all Persons at any time claiming any Lien on any of the
Trust Property adverse to the interest of the Trust or the Securityholders in
their capacity as Securityholders.

            (c) In connection with the issue and sale of the Preferred
Securities, the Depositor shall have the right and responsibility to assist the
Trust with respect to, or effect on behalf of the Trust, the following (and any
actions taken by the Depositor in furtherance of the following prior to the date
of this Trust Agreement are hereby ratified and confirmed in all respects):

<PAGE>

                  (i) to prepare for filing by the Trust with the Commission and
      to execute on behalf of the Trust a registration statement on Form S-3 or
      S-4 in relation to the Preferred Securities, including any amendments
      thereto;

                  (ii) to determine the States in which to take appropriate
      action to qualify or register for sale all or part of the Preferred
      Securities and to do any and all such acts, other than actions which must
      be taken by or on behalf of the Trust, and advise the Trustees of actions
      they must take on behalf of the Trust, and prepare for execution and
      filing any documents to be executed and filed by the Trust or on behalf of
      the Trust, as the Depositor deems necessary or advisable in order to
      comply with the applicable laws of any such States;

                  (iii) to prepare for filing by the Trust and to execute on
      behalf of the Trust an application to the New York Stock Exchange or any
      other national stock exchange or the Nasdaq National Market for listing
      upon notice of issuance of any Preferred Securities;

                  (iv) to prepare for filing by the Trust with the Commission
      and to execute on behalf of the Trust a registration statement on Form 8-A
      relating to the registration of the Preferred Securities under Section
      12(b) or 12(g) of the Exchange Act, including any amendments thereto;

                  (v) to negotiate the terms of, and execute and deliver, the
      Underwriting Agreement providing for the sale of the Preferred Securities;
      and

                  (vi) any other actions necessary or desirable to carry out any
      of the foregoing activities.

            (d) Notwithstanding anything herein to the contrary, the
Administrative Trustees are authorized and directed to conduct the affairs of
the Trust and to operate the Trust so that the Trust will not be deemed to be an
"investment company" required to be registered under the Investment Company Act
of 1940, as amended, or taxed as a corporation for United States federal income
tax purposes and so that the Debentures will be treated as indebtedness of the
Depositor for United States federal income tax purposes. In this connection, the
Depositor and the Administrative Trustees are authorized to take any action, not
inconsistent with applicable law, the Certificate of Trust or this Trust
Agreement, that each of the Depositor and the Administrative Trustees determines
in their discretion to be necessary or desirable for such purposes, as long as
such action does not adversely affect in any material respect the interests of
the holders of the Preferred Securities.

      SECTION 2.8 ASSETS OF TRUST.

            The assets of the Trust shall consist of the Trust Property.

      SECTION 2.9 TITLE TO TRUST PROPERTY.

<PAGE>

            Legal title to all Trust Property shall be vested at all times in
the Property Trustee (in its capacity as such) and shall be held and
administered by the Property Trustee for the benefit of the Securityholders in
accordance with this Trust Agreement.

                                   ARTICLE III
                                 PAYMENT ACCOUNT

      SECTION 3.1 PAYMENT ACCOUNT.

            (a) On or prior to the Closing Date, the Property Trustee shall
establish the Payment Account. The Property Trustee and any agent of the
Property Trustee shall have exclusive control and sole right of withdrawal with
respect to the Payment Account for the purpose of making deposits in and
withdrawals from the Payment Account in accordance with this Trust Agreement.
All monies and other property deposited or held from time to time in the Payment
Account shall be held by the Property Trustee in the Payment Account for the
exclusive benefit of the Securityholders and for distribution as herein
provided, including (and subject to) any priority of payments provided for
herein.

            (b) The Property Trustee shall deposit in the Payment Account,
promptly upon receipt, all payments of principal or interest on, and any other
payments or proceeds with respect to, the Debentures. Amounts held in the
Payment Account shall not be invested by the Property Trustee pending
distribution thereof.

                                   ARTICLE IV
                            DISTRIBUTIONS; REDEMPTION

      SECTION 4.1 DISTRIBUTIONS.

            (a) Distributions on the Trust Securities shall be cumulative, and
will accumulate whether or not there are funds of the Trust available for the
payment of Distributions. Distributions shall accrue from -, 200-, and, except
in the event that the Depositor exercises its right to extend the interest
payment period for the Debentures pursuant to the Indenture, shall be payable
quarterly in arrears on -, -, - and - of each year, commencing on -, -. If any
date on which Distributions are otherwise payable on the Trust Securities is not
a Business Day, then the payment of such Distribution shall be made on the next
succeeding day which is a Business Day (and without any interest or other
payment in respect of any such delay) except that, if such Business Day is in
the next succeeding calendar year, payment of such Distribution shall be made on
the immediately preceding Business Day, in each case with the same force and
effect as if made on such date (each date on which distributions are payable in
accordance with this Section 4.1(a) a "Distribution Date").

            (b) The Trust Securities represent undivided beneficial interests in
the Trust Property, and, as a practical matter, the Distributions on the Trust
Securities shall be payable at a rate of -% per annum of the Liquidation Amount
of the Trust Securities. The amount of Distributions payable for any full period
shall be computed on the basis of a 360-day year of twelve 30-day months. The
amount of Distributions payable for any period shall include the Additional
Amounts, if any.

<PAGE>

            (c) Distributions on the Trust Securities shall be made by the
Property Trustee from the Payment Account and shall be payable on each
Distribution Date only to the extent that the Trust has funds then on hand and
available in the Payment Account for the payment of such Distributions.

            (d) Distributions on the Trust Securities with respect to a
Distribution Date shall be payable to the Holders thereof as they appear on the
Securities Register for the Trust Securities on the relevant record date, which
shall be one Business Day prior to such Distribution Date; provided, however,
that in the event that the Preferred Securities do not remain in book-entry-only
form, the relevant record date shall be the date 15 days prior to the relevant
Distribution Date.

      SECTION 4.2 REDEMPTION.

            (a) On each Debenture Redemption Date and on the stated maturity of
the Debentures, the Trust will be required to redeem a Like Amount of Trust
Securities at the Redemption Price.

            (b) Notice of redemption shall be given by the Property Trustee by
first-class mail, postage prepaid, mailed not less than 30 nor more than 60 days
prior to the Redemption Date to each Holder of Trust Securities to be redeemed,
at such Holder's address appearing in the Security Register. Depositor shall
give 5 days advance written notice or such shorter time as may be agreeable to
the Trustee. All notices of redemption shall state:

                  (i) the Redemption Date;

                  (ii) the Redemption Price;

                  (iii) the CUSIP number;

                  (iv) if less than all the Outstanding Trust Securities are to
      be redeemed, the identification and the total Liquidation Amount of the
      particular Trust Securities to be redeemed; and

                  (v) that on the Redemption Date the Redemption Price will
      become due and payable upon each such Trust Security to be redeemed and
      that distributions thereon will cease to accrue on and after said date.

            (c) The Trust Securities redeemed on each Redemption Date shall be
redeemed at the Redemption Price with the proceeds from the contemporaneous
redemption of Debentures. Redemptions of the Trust Securities shall be made and
the Redemption Price shall be payable on each Redemption Date only to the extent
that the Trust has funds then on hand and available in the Payment Account for
the payment of such Redemption Price.

            (d) If the Property Trustee gives a notice of redemption in respect
of any Preferred Securities, then, by 12:00 noon, New York time, on the
Redemption Date, subject to Section 4.2(c), the Property Trustee will, so long
as the Preferred Securities are in book-entry-only form, irrevocably deposit
with the Clearing Agency for the Preferred Securities funds

<PAGE>

sufficient to pay the applicable Redemption Price and will give such Clearing
Agency irrevocable instructions and authority to pay the Redemption Price to the
holders thereof. If the Preferred Securities are no longer in book-entry-only
form, the Property Trustee, subject to Section 4.2(c), will irrevocably deposit
with the Paying Agent funds sufficient to pay the applicable Redemption Price
and will give the Paying Agent irrevocable instructions and authority to pay the
Redemption Price to the holders thereof upon surrender of their Preferred
Securities Certificates. Notwithstanding the foregoing, Distributions payable on
or prior to the Redemption Date for any Trust Securities called for redemption
shall be payable to the Holders of such Trust Securities as they appear on the
Register for the Trust Securities on the relevant record dates for the related
Distribution Dates. If notice of redemption shall have been given and funds
deposited as required, then upon the date of such deposit, all rights of
Securityholders holding Trust Securities so called for redemption will cease,
except the right of such Securityholders to receive the Redemption Price, but
without interest, and such Securities will cease to be outstanding. In the event
that any date on which any Redemption Price is payable is not a Business Day,
then payment of the Redemption Price payable on such date will be made on the
next succeeding day which is a Business Day (and without any interest or other
payment in respect of any such delay), except that, if such Business Day falls
in the next calendar year, such payment will be made on the immediately
preceding Business Day, in each case, with the same force and effect as if made
on such date. In the event that payment of the Redemption Price in respect of
any Trust Securities called for redemption is improperly withheld or refused and
not paid either by the Trust or by the Depositor pursuant to the Guarantee,
Distributions on such Trust Securities will continue to accrue, at the then
applicable rate, from the Redemption Date originally established by the Trust
for such Trust Securities to the date such Redemption Price is actually paid, in
which case the actual payment date will be the date fixed for redemption for
purposes of calculating the Redemption Price.

            (e) Payment of the Redemption Price on the Trust Securities shall be
made to the recordholders thereof as they appear on the Securities Register for
the Trust Securities on the relevant record date, which shall be one Business
Day prior to the relevant Redemption Date; provided, however, that in the event
that the Preferred Securities do not remain in book-entry-only form, the
relevant record date shall be the fifteenth day prior to the Redemption Date.

            (f) If less than all the Outstanding Trust Securities are to be
redeemed on a Redemption Date, then the aggregate Liquidation Amount of Trust
Securities to be redeemed shall be allocated on a pro rata basis (based on
Liquidation Amounts) among the Common Securities and the Preferred Securities.
The particular Preferred Securities to be redeemed shall be selected on a pro
rata basis (based upon Liquidation Amounts) not more than 60 days prior to the
Redemption Date by the Property Trustee from the Outstanding Preferred
Securities not previously called for redemption, by such method as the Property
Trustee shall deem fair and appropriate and which may provide for the selection
for redemption of portions (equal to $__ or an integral multiple of $__ in
excess thereof) of the Liquidation Amount of Preferred Securities of a
denomination larger than $___. The Property Trustee shall promptly notify the
Security Registrar in writing of the Preferred Securities selected for
redemption and, in the case of any Preferred Securities selected for partial
redemption, the Liquidation Amount thereof to be redeemed. For all purposes of
this Trust Agreement, unless the context otherwise requires, all provisions
relating to the redemption of Preferred Securities shall relate, in the case of
any

<PAGE>

Preferred Securities redeemed or to be redeemed only in part, to the portion
of the Liquidation Amount of Preferred Securities which has been or is to be
redeemed.

      SECTION 4.3 SUBORDINATION OF COMMON SECURITIES.

            (a) Payment of Distributions (including Additional Amounts, if
applicable) on, and the Redemption Price of, the Trust Securities, as
applicable, shall be made pro rata based on the Liquidation Amount of the Trust
Securities; provided, however, that if on any Distribution Date or Redemption
Date a Debenture Event of Default shall have occurred and be continuing, no
payment of any Distribution (including Additional Amounts, if applicable) on, or
Redemption Price of, any Common Security, and no other payment on account of the
redemption, liquidation or other acquisition of Common Securities, shall be made
unless payment in full in cash of all accumulated and unpaid Distributions
(including Additional Amounts, if applicable) on all Outstanding Preferred
Securities for all distribution periods terminating on or prior thereto, or in
the case of payment of the Redemption Price the full amount of such Redemption
Price on all Outstanding Preferred Securities, shall have been made or provided
for, and all funds immediately available to the Property Trustee shall first be
applied to the payment in full in cash of all Distributions (including
Additional Amounts, if applicable) on, or Redemption Price of, Preferred
Securities then due and payable.

            (b) In the case of the occurrence of any Debenture Event of Default,
the Holder of Common Securities will be deemed to have waived any right to act
with respect to any such Event of Default under this Trust Agreement until the
effect of all such Events of Default with respect to the Preferred Securities
have been cured, waived or otherwise eliminated. Until any such Event of Default
under this Trust Agreement with respect to the Preferred Securities have been so
cured, waived or otherwise eliminated, the Property Trustee shall act solely on
behalf of the Holders of the Preferred Securities and not the Holder of the
Common Securities, and only the Holders of the Preferred Securities will have
the right to direct the Property Trustee to act on their behalf.

      SECTION 4.4 PAYMENT PROCEDURES.

            Payments in respect of the Preferred Securities shall be made by
check mailed to the address of the Person entitled thereto as such address shall
appear on the Securities Register or, if the Preferred Securities are held by a
Clearing Agency, such Distributions shall be made to the Clearing Agency in
immediately available funds, which shall credit the relevant Persons' accounts
at such Clearing Agency on the applicable distribution dates. Payments in
respect of the Common Securities shall be made in such manner as shall be
mutually agreed between the Property Trustee and the Common Securityholder.

      SECTION 4.5 TAX RETURNS AND REPORTS.

            The Administrative Trustees shall prepare (or cause to be prepared),
at the Depositor's expense, and file all Federal, state and local tax and
information returns and reports required to be filed by or in respect of the
Trust. In this regard, the Administrative Trustees shall (a) prepare and file
(or cause to be prepared or filed) the appropriate Internal Revenue Service Form
required to be filed in respect of the Trust in each taxable year of the Trust
and (b) prepare

<PAGE>

and furnish (or cause to be prepared and furnished) to each Securityholder the
appropriate Internal Revenue Service form required to be furnished to such
Securityholder or the information required to be provided on such form. The
Administrative Trustees shall provide the Depositor and the Property Trustee
with a copy of all such returns, reports and schedules promptly after such
filing or furnishing. The Trustees shall comply with United States federal
withholding and backup withholding tax laws and information reporting
requirements with respect to any payments to Securityholders under the Trust
Securities.

      SECTION 4.6 PAYMENT OF TAXES, DUTIES, ETC. OF THE TRUST.

            Upon receipt under the Debentures of Additional Sums (as defined in
the Indenture), the Property Trustee shall upon receipt of written notice from
the applicable governmental authority promptly pay any taxes, duties or
governmental charges of whatsoever nature (other than withholding taxes)imposed
on the Trust by the United States or any other taxing authority.

      SECTION 4.7 PAYMENTS UNDER INDENTURE.

            Any amount payable hereunder to any Holder of Preferred Securities
(and any Owner with respect thereto) shall be reduced by the amount of any
corresponding payment such Holder (and Owner) has directly received pursuant to
Section 508 of the Indenture.

                                    ARTICLE V
                          TRUST SECURITIES CERTIFICATES

      SECTION 5.1 INITIAL OWNERSHIP.

            Upon the formation of the Trust and the contribution by the
Depositor pursuant to Section 2.3 and until the issuance of the Trust
Securities, and at any time during which no Trust Securities are outstanding,
the Depositor shall be the sole beneficial owner of the Trust.

      SECTION 5.2 THE TRUST SECURITIES CERTIFICATES.

            The Preferred Securities Certificates shall be issued in minimum
denominations of $___ Liquidation Amount and integral multiples of $____ in
excess thereof, and the Common Securities Certificates shall be issued in
denominations of $____ Liquidation Amount and integral multiples thereof. The
Trust Securities Certificates shall be executed on behalf of the Trust by manual
signature of at least one Administrative Trustee. Trust Securities Certificates
bearing the manual signatures of individuals who were, at the time when such
signatures shall have been affixed, authorized to sign on behalf of the Trust,
shall be validly issued and entitled to the benefits of this Trust Agreement,
notwithstanding that such individuals or any of them shall have ceased to be so
authorized prior to the delivery of such Trust Securities Certificates or did
not hold such offices at the date of delivery of such Trust Securities
Certificates. A transferee of a Trust Securities Certificate shall become a
Securityholder, and shall be entitled to the rights and subject to the
obligations of a Securityholder hereunder, upon due registration of such Trust
Securities Certificate in such transferee's name pursuant to Section 5.4.

      SECTION 5.3 DELIVERY OF TRUST SECURITIES CERTIFICATES.

<PAGE>

            On the Closing Date, the Administrative Trustees shall cause Trust
Securities Certificates, in an aggregate Liquidation Amount as provided in
Sections 2.4 and 2.5, to be executed on behalf of the Trust and delivered to or
upon the written order of the Depositor, signed by its chairman, president,
chief executive officer, any senior vice president or any vice president,
treasurer or assistant treasurer or controller without further corporate action
by the Depositor, in authorized denominations.

      SECTION 5.4 REGISTRATION OF TRANSFER AND EXCHANGE OF PREFERRED SECURITIES
CERTIFICATES.

            The Securities Registrar shall keep or cause to be kept, at the
office or agency maintained pursuant to Section 5.8, a Securities Register in
which, subject to such reasonable regulations as it may prescribe, the
Securities Registrar shall provide for the registration of Preferred Securities
Certificates and Common Securities Certificates (subject to Section 5.10 in the
case of the Common Securities Certificates) and registration of transfers and
exchanges of Preferred Securities Certificates as herein provided. The Property
Trustee shall be the initial Securities Registrar. The provisions of Sections
8.1, 8.3 and 8.6 shall apply to the Property Trustee also in its role as
Securities Registrar, for so long as the Property Trustee shall act as
Securities Registrar and, to the extent applicable, to any other securities
registrar appointed hereunder. Any reference in this Trust Agreement to the
Securities Registrar shall include any co-securities registrar unless the
context requires otherwise.

            Upon surrender for registration of transfer of any Preferred
Securities Certificate at the office or agency maintained pursuant to Section
5.8, the Administrative Trustees or any one of them shall execute and deliver,
in the name of the designated transferee or transferees, one or more new
Preferred Securities Certificates in authorized denominations of a like
aggregate Liquidation Amount dated the date of execution by such Administrative
Trustee or Trustees. The Securities Registrar shall not be required to register
the transfer of any Preferred Securities that have been called for redemption.
At the option of a Holder, Preferred Securities Certificates may be exchanged
for other Preferred Securities Certificates in authorized denominations of the
same class and of a like aggregate Liquidation Amount upon surrender of the
Preferred Securities Certificates to be exchanged at the office or agency
maintained pursuant to Section 5.8.

            Every Preferred Securities Certificate presented or surrendered for
registration of transfer or exchange shall be accompanied by a written
instrument of transfer in form satisfactory to the Administrative Trustees and
the Securities Registrar duly executed by the Holder or his attorney duly
authorized in writing. Each Preferred Securities Certificate surrendered for
registration of transfer or exchange shall be cancelled and subsequently
disposed of by the Administrative Trustees in accordance with their customary
practice.

            No service charge shall be made for any registration of transfer or
exchange of Preferred Securities Certificates, but the Securities Registrar may
require payment of a sum sufficient to cover any tax or governmental charge that
may be imposed in connection with any transfer or exchange of Preferred
Securities Certificates.

<PAGE>

      SECTION 5.5 MUTILATED, DESTROYED, LOST OR STOLEN TRUST SECURITIES
CERTIFICATES.

            If (a) any mutilated Trust Securities Certificate shall be
surrendered to the Securities Registrar, or if the Securities Registrar shall
receive evidence to its satisfaction of the destruction, loss or theft of any
Trust Securities Certificate and (b) there shall be delivered to the Securities
Registrar and the Administrative Trustees such security or indemnity as may be
required by them to save each of them harmless, then in the absence of notice
that such Trust Securities Certificate shall have been acquired by a protected
purchaser, the Administrative Trustees, or any one of them, on behalf of the
Trust shall execute and make available for delivery, in exchange for or in lieu
of any such mutilated, destroyed, lost or stolen Trust Securities Certificate, a
new Trust Securities Certificate of like class, tenor and denomination. In
connection with the issuance of any new Trust Securities Certificate under this
Section, the Administrative Trustees or the Securities Registrar may require the
payment of a sum sufficient to cover any tax or other governmental charge that
may be imposed in connection therewith. Any duplicate Trust Securities
Certificate issued pursuant to this Section shall constitute conclusive evidence
of an undivided beneficial interest in the assets of the Trust, as if originally
issued, whether or not the lost, stolen or destroyed Trust Securities
Certificate shall be found at any time.

      SECTION 5.6 PERSONS DEEMED SECURITYHOLDERS.

            The Administrative Trustees or the Securities Registrar shall treat
the Person in whose name any Trust Securities Certificate shall be registered in
the Securities Register as the owner of such Trust Securities Certificate for
the purpose of receiving distributions and for all other purposes whatsoever,
and neither the Trustees nor the Securities Registrar shall be bound by any
notice to the contrary.

      SECTION 5.7 ACCESS TO LIST OF SECURITYHOLDERS' NAMES AND ADDRESSES.

            The Administrative Trustees or the Depositor shall furnish or cause
to be furnished (a) to the Property Trustee, semi-annually on or before January
15 and July 15 in each year, a list, in such form as the Property Trustee may
reasonably require, of the names and addresses of the Securityholders as of the
most recent Record Date and (b) to the Property Trustee, promptly after receipt
by any Administrative Trustee or the Depositor of a request therefor from the
Property Trustee in order to enable the Property Trustee to discharge its
obligations under this Trust Agreement, in each case to the extent such
information is in the possession or control of the Administrative Trustees or
the Depositor and is not identical to a previously supplied list or has not
otherwise been received by the Property Trustee in its capacity as Securities
Registrar. The rights of Securityholders to communicate with other
Securityholders with respect to their rights under this Trust Agreement or under
the Trust Securities, and the corresponding rights of the Trustee shall be as
provided in the Trust Indenture Act. Each Holder, by receiving and holding a
Trust Securities Certificate, and each Owner shall be deemed to have agreed not
to hold the Depositor, the Property Trustee or the Administrative Trustees
accountable by reason of the disclosure of its name and address, regardless of
the source from which such information was derived.

<PAGE>

      SECTION 5.8 MAINTENANCE OF OFFICE OR AGENCY.

            The Administrative Trustees shall maintain in The City of New York,
an office or offices or agency or agencies where Preferred Securities
Certificates may be surrendered for registration of transfer or exchange and
where notices and demands to or upon the Trustees in respect of the Trust
Securities Certificates may be served. The Administrative Trustees initially
designate -, as its principal corporate trust office for such purposes. The
Property Trustee shall give prompt written notice to the Depositor and to the
Securityholders of any change in the location of the Securities Register or any
such office or agency.

      SECTION 5.9 APPOINTMENT OF PAYING AGENT.

            The Paying Agent shall make distributions to Securityholders from
the Payment Account and shall report the amounts of such distributions to the
Property Trustee and the Administrative Trustees. Any Paying Agent shall have
the revocable power to withdraw funds from the Payment Account for the purpose
of making the distributions referred to above. The Administrative Trustees may
revoke such power and remove the Paying Agent if such Trustees determine in
their sole discretion that the Paying Agent shall have failed to perform its
obligations under this Trust Agreement in any material respect. The Paying Agent
shall initially be the Property Trustee, and any co-paying agent chosen by the
Property Trustee, and acceptable to the Administrative Trustees and the
Depositor. Any Person acting as Paying Agent shall be permitted to resign as
Paying Agent upon 30 days' written notice to the Administrative Trustees, the
Property Trustee and the Depositor. In the event that the Property Trustee shall
no longer be the Paying Agent or a successor Paying Agent shall resign or its
authority to act be revoked, the Administrative Trustees shall appoint a
successor that is acceptable to the Property Trustee and the Depositor to act as
Paying Agent (which shall be a bank or trust company). The Administrative
Trustees shall cause such successor Paying Agent or any additional Paying Agent
appointed by the Administrative Trustees to execute and deliver to the Trustees
an instrument in which such successor Paying Agent or additional Paying Agent
shall agree with the Trustees that as Paying Agent, such successor Paying Agent
or additional Paying Agent will hold all sums, if any, held by it for payment to
the Securityholders in trust for the benefit of the Securityholders entitled
thereto until such sums shall be paid to such Securityholders. The Paying Agent
shall return all unclaimed funds to the Property Trustee and upon removal of a
Paying Agent such Paying Agent shall also return all funds in its possession to
the Property Trustee. The provisions of Sections 8.1, 8.3 and 8.6 shall apply to
the Property Trustee also in its role as Paying Agent, for so long as the
Property Trustee shall act as Paying Agent and, to the extent applicable, to any
other paying agent appointed hereunder. Any reference in this Trust Agreement to
the Paying Agent shall include any co-paying agent unless the context requires
otherwise.

      SECTION 5.10 OWNERSHIP OF COMMON SECURITIES BY DEPOSITOR.

            On the Closing Date and on each other date provided for in Section
2.5, the Depositor shall acquire and retain beneficial and record ownership of
the Common Securities. To the fullest extent permitted by law, except as
otherwise permitted under the Indenture, any attempted transfer of the Common
Securities shall be void. The Administrative Trustees shall cause each Common
Securities Certificate issued to the Depositor to contain a legend stating
<PAGE>

"THIS CERTIFICATE IS NOT TRANSFERABLE EXCEPT AS PROVIDED IN THE TRUST AGREEMENT
(AS DEFINED BELOW)".

      SECTION 5.11 BOOK-ENTRY PREFERRED SECURITIES CERTIFICATES; COMMON
SECURITIES CERTIFICATE.

            (a) The Preferred Securities Certificates, upon original issuance,
will be issued in the form of a typewritten Preferred Securities Certificate or
Certificates representing Book-Entry Preferred Securities Certificates, to be
delivered to The Depository Trust Company, the initial Clearing Agency, by, or
on behalf of, the Trust. Such Preferred Securities Certificate or Certificates
shall initially be registered on the Securities Register in the name of Cede &
Co., the nominee of the initial Clearing Agency, and no beneficial owner will
receive a Definitive Preferred Securities Certificate representing such
beneficial owner's interest in such Preferred Securities, except as provided in
Section 5.13. Unless and until Definitive Preferred Securities Certificates have
been issued to beneficial owners pursuant to Section 5.13:

                  (i) the provisions of this Section 5.11(a) shall be in full
      force and effect;

                  (ii) the Securities Registrar and the Trustees shall be
      entitled to deal with the Clearing Agency for all purposes of this Trust
      Agreement relating to the Book-Entry Preferred Securities Certificates
      (including the payment of principal of and interest on the Book-Entry
      Preferred Securities and the giving of instructions or directions to
      Owners of Book-Entry Preferred Securities) as the sole Holder of
      Book-Entry Preferred Securities and shall have no obligations to the
      Owners thereof;

                  (iii) to the extent that the provisions of this Section 5.11
      conflict with any other provisions of this Trust Agreement, the provisions
      of this Section 5.11 shall control; and

                  (iv) the rights of the Owners of the Book-Entry Preferred
      Securities Certificates shall be exercised only through the Clearing
      Agency and shall be limited to those established by law and agreements
      between such Owners and the Clearing Agency and/or the Clearing Agency
      Participants. Pursuant to the Certificate Depository Agreement, unless and
      until Definitive Preferred Securities Certificates are issued pursuant to
      Section 5.13, the initial Clearing Agency will make book-entry transfers
      among the Clearing Agency Participants and receive and transmit payments
      on the Preferred Securities to such Clearing Agency Participants.

            (b) A single Common Securities Certificate representing the Common
Securities shall be issued to the Depositor in the form of a definitive Common
Securities Certificate.

      SECTION 5.12 NOTICES TO CLEARING AGENCY.

            To the extent that a notice or other communication to the Owners is
required under this Trust Agreement, unless and until Definitive Preferred
Securities Certificates shall have been issued to Owners pursuant to Section
5.13, the Trustees shall give all such notices and

<PAGE>

communications specified herein to be given to Owners to the Clearing Agency,
and shall have no obligations to the Owners.

      SECTION 5.13 DEFINITIVE PREFERRED SECURITIES CERTIFICATES.

            If (a) the Depositor advises the Trustees in writing that the
Clearing Agency is no longer willing or able to properly discharge its
responsibilities with respect to the Preferred Securities Certificates, and the
Depositor is unable to locate a qualified successor, (b) the Depositor at its
option advises the Trustees in writing that it elects to terminate the
book-entry system through the Clearing Agency or (c) after the occurrence of a
Debenture Event of Default, Owners of Preferred Securities Certificates
representing beneficial interests aggregating at least a majority of the
Liquidation Amount advise the Clearing Agency in writing that the continuation
of a book-entry system through the Clearing Agency is no longer in the best
interest of the Owners of Preferred Securities Certificates, then the Clearing
Agency shall notify all Owners of Preferred Securities Certificates and the
Trustees of the occurrence of any such event and of the availability of the
Definitive Preferred Securities Certificates to Owners of such class or classes,
as applicable, requesting the same. Upon surrender to the Administrative
Trustees of the typewritten Preferred Securities Certificate or Certificates
representing the Book Entry Preferred Securities Certificates by the Clearing
Agency, accompanied by registration instructions, the Administrative Trustees,
or any one of them, shall execute the Definitive Preferred Securities
Certificates in accordance with the instructions of the Clearing Agency. Neither
the Securities Registrar nor the Trustees shall be liable for any delay in
delivery of such instructions and may conclusively rely on, and shall be
protected in relying on, such instructions. Upon the issuance of Definitive
Preferred Securities Certificates, the Trustees shall recognize the Holders of
the Definitive Preferred Securities Certificates as Securityholders. The
Definitive Preferred Securities Certificates shall be printed, lithographed or
engraved or may be produced in any other manner as is reasonably acceptable to
the Administrative Trustees, as evidenced by the execution thereof by the
Administrative Trustees or any one of them.

      SECTION 5.14 RIGHTS OF SECURITYHOLDERS.

            The legal title to the Trust Property is vested exclusively in the
Property Trustee (in its capacity as such) in accordance with Section 2.9, and
the Securityholders shall not have any right or title therein other than the
undivided beneficial interest in the assets of the Trust conferred by their
Trust Securities and they shall have no right to call for any partition or
division of property, profits or rights of the Trust except as described below.
The Trust Securities shall be personal property giving only the rights
specifically set forth therein and in this Trust Agreement. The Trust Securities
shall have no preemptive or similar rights and when issued and delivered to
Securityholders against payment of the purchase price therefor will be fully
paid and nonassessable by the Trust. The Holders of the Trust Securities, in
their capacities as such, shall be entitled to the same limitation of personal
liability extended to stockholders of private corporations for profit organized
under the General Corporation Law of the State of Delaware.

                                   ARTICLE VI
                    ACTS OF SECURITYHOLDERS; MEETINGS; VOTING

<PAGE>

      SECTION 6.1 LIMITATIONS ON VOTING RIGHTS.

            (a) Except as provided in this Section, in Sections 8.10 and 10.2
and in the Indenture and as otherwise required by law, no Holder of Preferred
Securities shall have any right to vote or in any manner otherwise control the
administration, operation and management of the Trust or the obligations of the
parties hereto, nor shall anything herein set forth, or contained in the terms
of the Trust Securities Certificates, be construed so as to constitute the
Securityholders from time to time as partners or members of an association.

            (b) So long as any Debentures are held by the Property Trustee, the
Trustees shall not (i) direct the time, method and place of conducting any
proceeding for any remedy available to the Debenture Trustee, or executing any
trust or power conferred on the Debenture Trustee with respect to such
Debentures, (ii) waive any past default which is waivable under Section 5.13 of
the Indenture, (iii) exercise any right to rescind or annul a declaration that
the principal of all the Debentures shall be due and payable or (iv) consent to
any amendment, modification or termination of the Indenture or the Debentures,
where such consent shall be required, without, in each case, obtaining the prior
approval of the Holders of at least a majority in Liquidation Amount of all
outstanding Preferred Securities; provided, however, that where a consent under
the Indenture would require the consent of each holder of Debentures affected
thereby, no such consent shall be given by the Property Trustee without the
prior written consent of each holder of Preferred Securities. The Trustees shall
not revoke any action previously authorized or approved by a vote of the
Preferred Securities, except by a subsequent vote of the Preferred Securities.

            The Property Trustee shall notify all Holders of the Preferred
Securities of any notice of default received from the Debenture Trustee with
respect to the Debentures. In addition to obtaining the foregoing approvals of
the Holders of the Preferred Securities, prior to taking any of the foregoing
actions, the Trustees shall, at the expense of the Depositor, obtain an Opinion
of Counsel experienced in such matters to the effect that the Trust will not be
classified as an association taxable as a corporation or partnership for United
States federal income tax purposes on account of such action.

            (c) If any proposed amendment to the Trust Agreement provides for,
or the Trustees otherwise propose to effect, (i) any action that would adversely
affect in any material respect the powers, preferences or special rights of the
Preferred Securities, whether by way of amendment to the Trust Agreement or
otherwise, or (ii) the dissolution, winding-up or termination of the Trust,
other than pursuant to the terms of this Trust Agreement, then the Holders of
Outstanding Preferred Securities as a class will be entitled to vote on such
amendment or proposal and such amendment or proposal shall not be effective
except with the approval of the Holders of at least a majority in Liquidation
Amount of the Outstanding Preferred Securities.

      SECTION 6.2 NOTICE OF MEETINGS.

            Notice of all meetings of the Preferred Securityholders, stating the
time, place and purpose of the meeting, shall be given by the Property Trustee
upon receipt of written notice of the calling of such meeting from the
Administrative Trustees pursuant to Section 10.8 to each

<PAGE>

Preferred Securityholder of record, at his registered address, at least 15 days
and not more than 90 days before the meeting. At any such meeting, any business
properly before the meeting may be so considered whether or not stated in the
notice of the meeting. Any adjourned meeting may be held as adjourned without
further notice.

      SECTION 6.3 MEETINGS OF PREFERRED SECURITYHOLDERS.

            No annual meeting of Securityholders is required to be held. The
Administrative Trustees, however, shall call a meeting of Securityholders to
vote on any matter upon the written request of the Preferred Securityholders of
record of 25% of the Preferred Securities (based upon their Liquidation Amount)
and the Administrative Trustees or the Property Trustee may, at any time in
their discretion, call a meeting of Preferred Securityholders to vote on any
matters as to which Preferred Securityholders are entitled to vote.

            Preferred Securityholders of record of 50% of the Preferred
Securities (based upon their Liquidation Amount), present in person or by proxy,
shall constitute a quorum at any meeting of Securityholders.

            If a quorum is present at a meeting, an affirmative vote by the
Preferred Securityholders of record present, in person or by proxy, holding more
than a majority of the Preferred Securities (based upon their Liquidation
Amount) held by the Preferred Securityholders of record present, either in
person or by proxy, at such meeting shall constitute the action of the
Securityholders, unless this Trust Agreement requires a greater number of
affirmative votes.

      SECTION 6.4 VOTING RIGHTS.

            Securityholders shall be entitled to one vote for each $___ of
Liquidation Amount represented by their Trust Securities in respect of any
matter as to which such Securityholders are entitled to vote.

      SECTION 6.5 PROXIES, ETC.

            At any meeting of Securityholders, any Securityholder entitled to
vote thereat may vote by proxy, provided that no proxy shall be voted at any
meeting unless it shall have been placed on file with the Administrative
Trustees, or with such other officer or agent of the Trust as the Administrative
Trustees may direct, for verification prior to the time at which such vote shall
be taken. Pursuant to a resolution of the Property Trustee, proxies may be
solicited in the name of the Property Trustee or one or more officers of the
Property Trustee. Only Securityholders of record shall be entitled to vote. When
Trust Securities are held jointly by several persons, any one of them may vote
at any meeting in person or by proxy in respect of such Trust Securities, but if
more than one of them shall be present at such meeting in person or by proxy,
and such joint owners or their proxies so present disagree as to any vote to be
cast, such vote shall not be received in respect of such Trust Securities. A
proxy purporting to be executed by or on behalf of a Securityholder shall be
deemed valid unless challenged at or prior to its exercise, and the burden of
proving invalidity shall rest on the challenger. No proxy shall be valid more
than three years after its date of execution.

<PAGE>

      SECTION 6.6 SECURITYHOLDER ACTION BY WRITTEN CONSENT.

            Any action which may be taken by Securityholders at a meeting may be
taken without prior notice and without a meeting if Securityholders holding more
than a majority of all Outstanding Trust Securities (based upon their
Liquidation Amount) entitled to vote in respect of such action (or such larger
proportion thereof as shall be required by any express provision of this Trust
Agreement) shall consent to the action in writing.

      SECTION 6.7 RECORD DATE FOR VOTING AND OTHER PURPOSES.

            For the purposes of determining the Securityholders who are entitled
to notice of and to vote at any meeting or by written consent, or to participate
in any distribution on the Trust Securities in respect of which a record date is
not otherwise provided for in this Trust Agreement, or for the purpose of any
other action, Administrative Trustees may from time to time fix a date, not more
than 90 days prior to the date of any meeting of Securityholders or the payment
of distribution or other action, as the case may be, as a record date for the
determination of the identity of the Securityholders of record for such
purposes.

      SECTION 6.8 ACTS OF SECURITYHOLDERS.

            Any request, demand, authorization, direction, notice, consent,
waiver or other action provided or permitted by this Trust Agreement to be
given, made or taken by Securityholders or Owners may be embodied in and
evidenced by one or more instruments of substantially similar tenor signed by
such Securityholders or Owners in person or by an agent duly appointed in
writing; and, except as otherwise expressly provided herein, such action shall
become effective when such instrument or instruments are delivered to an
Administrative Trustee. Such instrument or instruments (and the action embodied
therein and evidenced thereby) are herein sometimes referred to as the "Act" of
the Securityholders or Owners signing such instrument or instruments. Proof of
execution of any such instrument or of a writing appointing any such agent shall
be sufficient for any purpose of this Trust Agreement and (subject to Section
8.1) conclusive in favor of the Trustees, if made in the manner provided in this
Section.

            The fact and date of the execution by any Person of any such
instrument or writing may be proved by the affidavit of a witness of such
execution or by a certificate of a notary public or other officer authorized by
law to take acknowledgments of deeds, certifying that the individual signing
such instrument or writing acknowledged to him the execution thereof. Where such
execution is by a signer acting in a capacity other than his individual
capacity, such certificate or affidavit shall also constitute sufficient proof
of his authority. The fact and date of the execution of any such instrument or
writing, or the authority of the Person executing the same, may also be proved
in any other manner which any Trustee receiving the same deems sufficient.

            The ownership of Preferred Securities shall be proved by the
Securities Register.

            Any request, demand, authorization, direction, notice, consent,
waiver or other Act of the Securityholder of any Trust Security shall bind every
future Securityholder of the same Trust Security and the Securityholder of every
Trust Security issued upon the registration

<PAGE>

of transfer thereof or in exchange therefor or in lieu thereof in respect of
anything done, omitted or suffered to be done by the Trustees or the Trust in
reliance thereon, whether or not notation of such action is made upon such Trust
Security.

            Without limiting the foregoing, a Securityholder entitled hereunder
to take any action hereunder with regard to any particular Trust Security may do
so with regard to all or any part of the Liquidation Amount of such Trust
Security or by one or more duly appointed agents each of which may do so
pursuant to such appointment with regard to all or any part of such liquidation
amount.

            If any dispute shall arise between the Securityholders and the
Administrative Trustees or among such Securityholders or Trustees with respect
to the authenticity, validity or binding nature of any request, demand,
authorization, direction, consent, waiver or other Act of such Securityholder or
Trustee under this Article VI, then the dispute shall be submitted to an
independent legal counsel which has not provided significant services to any of
the disputing parties in the past two years (the "Independent Legal Counsel"),
and reasonably satisfactory to the disputing parties, for determination of such
matter. The Independent Legal Counsel's determination shall be conclusive and
binding with respect to such matter.

      SECTION 6.9 INSPECTION OF RECORDS.

            Upon reasonable notice to the Administrative Trustees and the
Property Trustee, the records of the Trust shall be open to inspection by
Securityholders during normal business hours for any purpose reasonably related
to such Securityholder's interest as a Securityholder.

                                   ARTICLE VII
                         REPRESENTATIONS AND WARRANTIES

      SECTION 7.1 REPRESENTATIONS AND WARRANTIES THE PROPERTY TRUSTEE AND THE
DELAWARE TRUSTEE.

            The Property Trustee and the Delaware Trustee, each severally on
behalf of and as to itself, hereby represents and warrants for the benefit of
the Depositor and the Securityholders that:

            (a) the Property Trustee is a banking corporation duly organized,
validly existing and in good standing under the laws of the State of New York;

            (b) the Property Trustee has full corporate power, authority and
legal right to execute, deliver and perform its obligations under this Trust
Agreement and has taken all necessary action to authorize the execution,
delivery and performance by it of this Trust Agreement;

            (c) this Trust Agreement has been duly authorized, executed and
delivered by the Property Trustee and constitutes the valid and legally binding
agreement of the Property Trustee enforceable against it in accordance with its
terms, subject to bankruptcy, insolvency, fraudulent transfer, reorganization,
moratorium and similar laws of general applicability relating to or affecting
creditors' rights and to general equity principles;

<PAGE>

            (d) the execution, delivery and performance by the Property Trustee
of this Trust Agreement have been duly authorized by all necessary corporate or
other action on the part of the Property Trustee and do not require any approval
of stockholders of the Property Trustee and such execution, delivery and
performance will not (i) violate the Property Trustee's Charter or By-laws, (ii)
violate any provision of, or constitute, with or without notice or lapse of
time, a default under, or result in the creation or imposition of, any Lien on
any properties included in the Trust Property pursuant to the provisions of, any
indenture, mortgage, credit agreement, license or other agreement or instrument
to which the Property Trustee is a party or by which it is bound (other than as
contemplated by the Trust Agreement, the Indenture and the Guarantee), or (iii)
violate any law, governmental rule or regulation of the United States or the
State of New York, as the case may be, governing the banking or trust powers of
the Property Trustee or any order, judgment or decree applicable to the Property
Trustee;

            (e) the execution, delivery and performance by the Delaware Trustee
of this Trust Agreement have been duly authorized by all necessary corporate or
other action on the part of the Delaware Trustee and do not require any approval
of stockholders of the Delaware Trustee and such execution, delivery and
performance will not (i) violate the Delaware Trustee's Charter or By-laws, (ii)
violate any provision of, or constitute, with or without notice or lapse of
time, a default under, or result in the creation or imposition of, any Lien on
any properties included in the Trust Property pursuant to the provisions of, any
indenture, mortgage, credit agreement, license or other agreement or instrument
to which the Delaware Trustee is a party or by which it is bound (other than as
contemplated by the Trust Agreement, the Indenture and the Guarantee), or (iii)
violate any law, governmental rule or regulation of the United States or the
State of Delaware, as the case may be, governing the banking or trust powers of
the Delaware Trustee or any order, judgment or decree applicable to the Delaware
Trustee;

            (f) neither the authorization, execution or delivery by the Property
Trustee of this Trust Agreement nor the consummation of any of the transactions
by the Property Trustee contemplated herein or therein requires the consent or
approval of, the giving of notice to, the registration with or the taking of any
other action with respect to any governmental authority or agency under any
existing federal law governing the banking or trust powers of the Property
Trustee under the laws of the United States or the State of New York (other than
as contemplated by the Trust Agreement, the Indenture and the Guarantee);

            (g) neither the authorization, execution or delivery by the Delaware
Trustee of this Trust Agreement nor the consummation of any of the transactions
by the Delaware Trustee contemplated herein or therein requires the consent or
approval of, the giving of notice to, the registration with or the taking of any
other action with respect to any governmental authority or agency under any
existing federal law governing the banking or trust powers of the Delaware
Trustee under the laws of the United States or the State of Delaware (other than
as contemplated by the Trust Agreement, the Indenture and the Guarantee); and

            (h) there are no proceedings pending or, to the best of each of the
Property Trustee's and the Delaware Trustee's knowledge, threatened against or
affecting the Property Trustee or the Delaware Trustee in any court or before
any governmental authority, agency or arbitration board or tribunal which,
individually or in the aggregate, would materially and adversely affect the
Trust or would question the right, power and authority of the Property
<PAGE>

Trustee to enter into or perform its obligations as one of the Trustees under
this Trust Agreement.

      SECTION 7.2 REPRESENTATIONS AND WARRANTIES OF DEPOSITOR.

            The Depositor hereby represents and warrants for the benefit of the
Securityholders that:

            (a) the Trust Securities Certificates issued on the Closing Date on
behalf of the Trust have been duly authorized and will have been, duly and
validly executed, issued and delivered by the Trustees pursuant to the terms and
provisions of, and in accordance with the requirements of, this Trust Agreement
and the Securityholders will be, as of such date, entitled to the benefits of
this Trust Agreement; and

            (b) there are no taxes, fees or other governmental charges payable
by the Trust (or the Trustees on behalf of the Trust) under the laws of the
State of Delaware or under the laws of the State of New York or any political
subdivision thereof in connection with the execution, delivery and performance
by the Property Trustee or the Delaware Trustee, as the case may be, of this
Trust Agreement.

                                  ARTICLE VIII
                                  THE TRUSTEES

      SECTION 8.1 CERTAIN DUTIES AND RESPONSIBILITIES.

            (a) The duties and responsibilities of the Trustees shall be as
provided by this Trust Agreement and, in the case of the Property Trustee, by
the Trust Indenture Act. Notwithstanding the foregoing, no provision of this
Trust Agreement shall require the Trustees to expend or risk their own funds or
otherwise incur any financial liability in the performance of any of their
duties hereunder, or in the exercise of any of their rights or powers, if they
shall have reasonable grounds for believing that repayment of such funds or
adequate indemnity against such risk or liability is not reasonably assured to
it. Whether or not therein expressly so provided, every provision of this Trust
Agreement relating to the conduct or affecting the liability of or affording
protection to the Trustees shall be subject to the provisions of this Section.
Nothing in this Trust Agreement shall be construed to release the Property
Trustee from liability for its own negligent action, its own failure to act, or
its own willful misconduct. To the extent that, at law or in equity, an
Administrative Trustee has duties (including fiduciary duties) and liabilities
relating thereto to the Trust or to the Securityholders, such Administrative
Trustee shall not be liable to the Trust or to any Securityholder for such
Trustee's good faith reliance on the provisions of this Trust Agreement. The
provisions of this Trust Agreement, to the extent that they restrict the duties
and liabilities of the Administrative Trustees otherwise existing at law or in
equity, are agreed by the Depositor and the Securityholders to replace such
other duties and liabilities of the Administrative Trustees.

            (b) All payments made by the Property Trustee or a Paying Agent in
respect of the Trust Securities shall be made only from the revenue and proceeds
from the Trust Property and only to the extent that there shall be sufficient
revenue or proceeds from the Trust Property to enable the Property Trustee or a
Paying Agent to make payments in accordance with the terms

<PAGE>

hereof. Each Securityholder, by its acceptance of a Trust Security, agrees that
it will look solely to the revenue and proceeds from the Trust Property to the
extent legally available for distribution to it as herein provided and that the
Trustees are not personally liable to it for any amount distributable in respect
of any Trust Security or for any other liability in respect of any Trust
Security. This Section 8.1(b) does not limit the liability of the Trustees
expressly set forth elsewhere in this Trust Agreement or, in the case of the
Property Trustee, in the Trust Indenture Act.

            (c) No provision of this Trust Agreement shall be construed to
relieve the Property Trustee from liability for its own negligent action, its
own negligent failure to act, or its own willful misconduct, except that:

                  (i) the Property Trustee shall not be liable for any error of
      judgment made in good faith by an authorized officer of the Property
      Trustee, unless it shall be proved that the Property Trustee was negligent
      in ascertaining the pertinent facts;

                  (ii) the Property 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 Trust Securities relating to the time, method
      and place of conducting any proceeding for any remedy available to the
      Property Trustee, or exercising any trust or power conferred upon the
      Property Trustee under this Trust Agreement;

                  (iii) the Property Trustee's sole duty with respect to the
      custody, safe keeping and physical preservation of the Debentures and the
      Payment Account shall be to deal with such Property in a similar manner as
      the Property Trustee deals with similar property for its own account,
      subject to the protections and limitations on liability afforded to the
      Property Trustee under this Trust Agreement and the Trust Indenture Act;

                  (iv) the Property Trustee shall not be liable for any interest
      on any money received by it except as it may otherwise agree with the
      Depositor. Money held by the Property Trustee need not be segregated from
      other funds held by it except in relation to the Payment Account
      maintained by the Property Trustee pursuant to Section 3.1 and except to
      the extent otherwise required by law; and

                  (v) the Property Trustee shall not be responsible for
      monitoring the compliance by the Administrative Trustees or the Depositor
      with their respective duties under this Trust Agreement, nor shall the
      Property Trustee be liable for the default or misconduct of the
      Administrative Trustees or the Depositor.

      SECTION 8.2 NOTICE OF DEFAULTS.

            Within five Business Days after the occurrence of any Event of
Default actually known to a Responsible Officer of the Property Trustee, the
Property Trustee shall transmit, in the manner and to the extent provided in
Section 10.8, notice of such Event of Default to the Securityholders, the
Administrative Trustees and the Depositor, unless such Event of Default shall
have been cured or waived.

<PAGE>

            Within five Business Days after the receipt of notice of the
Depositor's exercise of its right to extend the interest payment period for the
Debentures pursuant to the Indenture, the Administrative Trustee shall transmit,
in the manner and to the extent provided in Section 10.8, notice of such
exercise to the Securityholders and the Property Trustee, unless such exercise
shall have been revoked.

      SECTION 8.3 CERTAIN RIGHTS OF PROPERTY TRUSTEE.

            Subject to the provisions of Section 8.1:

            (a) the Property Trustee may conclusively rely and shall be
protected in acting or refraining from acting in good faith upon any resolution,
Opinion of Counsel, certificate, written representation of a Holder or
transferee, certificate of auditors or any other certificate, statement,
instrument, opinion, report, notice, request, consent, order, appraisal, bond,
debenture, note, other evidence of indebtedness or other paper or document
believed by it to be genuine and to have been signed or presented by the proper
party or parties;

            (b) if, (i) in performing its duties under this Trust Agreement the
Property Trustee is required to decide between alternative courses of action or
(ii) in construing any of the provisions in this Trust Agreement the Property
Trustee finds the same ambiguous or inconsistent with any other provisions
contained herein or (iii) the Property Trustee is unsure of the application of
any provision of this Trust Agreement, then, except as to any matter as to which
the Preferred Securityholders are entitled to vote under the terms of this Trust
Agreement, the Property Trustee shall deliver a notice to the Depositor
requesting written instructions of the Depositor as to the course of action to
be taken. The Property Trustee shall take such action, or refrain from taking
such action, as the Property Trustee shall be instructed in writing to take, or
to refrain from taking, by the Depositor; provided, however, that if the
Property Trustee does not receive such instructions of the Depositor within ten
Business Days after it has delivered such notice, or such reasonably shorter
period of time set forth in such notice (which to the extent practicable shall
not be less than two Business Days), it may, but shall be under no duty to, take
or refrain from taking such action not inconsistent with this Trust Agreement as
it shall deem advisable and in the best interests of the Securityholders, in
which event the Property Trustee shall have no liability except for its own
negligence, bad faith or willful misconduct;

            (c) any direction or act of the Depositor or the Administrative
Trustees contemplated by this Trust Agreement shall be sufficiently evidenced by
an Officer's Certificate;

            (d) whenever in the administration of this Trust Agreement, the
Property Trustee shall deem it desirable that a matter be established before
undertaking, suffering or omitting any action hereunder, the Property Trustee
(unless other evidence is herein specifically prescribed) may, in the absence of
negligence, bad faith or willful misconduct on its part, request and rely upon
an Officer's Certificate which, upon receipt of such request, shall be promptly
delivered by the Depositor or the Administrative Trustees;

            (e) the Property Trustee shall have no duty to see to any recording,
filing or registration of any instrument (including any financing or
continuation statement or any filing under tax or securities laws) or any
rerecording, refiling or reregistration thereof;

<PAGE>

            (f) the Property Trustee may consult with counsel and the advice of
such counsel shall be full and complete authorization and protection in respect
of any action taken, suffered or omitted by it hereunder in good faith and in
reliance thereon and in accordance with such advice, such counsel may be counsel
to the Depositor or any of its Affiliates, and may include any of its employees.
The Property Trustee shall have the right at any time to seek instructions
concerning the administration of this Trust Agreement from any court of
competent jurisdiction;

            (g) the Property Trustee shall be under no obligation to exercise
any of the rights or powers vested in it by this Trust Agreement at the request
or direction of any of the Securityholders pursuant to this Trust Agreement,
unless such Securityholders shall have offered to the Property Trustee
reasonable security or indemnity satisfactory to it against the costs, expenses
and liabilities which might be incurred by it in compliance with such request or
direction;

            (h) the Property 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, consent, order,
approval, bond, debenture, note or other evidence of indebtedness or other paper
or document, unless requested in writing to do so by one or more
Securityholders, but the Property Trustee may make such further inquiry or
investigation into such facts or matters as it may see fit at the expense of the
Depositor and shall incur no additional liability of any kind by reason of such
inquiry or investigation;

            (i) the Property Trustee may execute any of the trusts or powers
hereunder or perform any duties hereunder either directly or by or through its
agents or attorneys, and the Property Trustee shall not be responsible for any
misconduct or negligence on the part of or for the supervision of, any such
agent or attorney appointed with due care by it hereunder;

            (j) whenever in the administration of this Trust Agreement the
Property Trustee shall deem it desirable to receive instructions with respect to
enforcing any remedy or right or taking any other action hereunder the Property
Trustee

                  (i) may request instructions from the Holders of the Trust
      Securities which instructions may only be given by the Holders of the same
      proportion in Liquidation Amount of the Trust Securities as would be
      entitled to direct the Property Trustee under the terms of the Trust
      Securities in respect of such remedy, right or action,

                  (ii) may refrain from enforcing such remedy or right or taking
      such other action until such instructions are received, and

                  (iii) shall be fully protected in acting in accordance with
      such instructions;

            (k) except as otherwise expressly provided by this Trust Agreement,
the Property Trustee shall not be under any obligation to take any action that
is discretionary under the provisions of this Trust Agreement; and

<PAGE>

            (l) the Property Trustee shall not be charged with knowledge of an
Event of Default unless a Responsible Officer of the Property Trustee obtains
actual knowledge of such event or the Property Trustee receives written notice
of such event from any Securityholder, the Depositor or the Debenture Trustee.

            (m) the Trustee shall not be deemed to have notice of any Default or
Event of Default unless a Responsible Officer of the Trustee has actual
knowledge thereof or unless written notice of any event which is in fact such a
default is received by the Trustee at the Corporate Trust Office of the Trustee,
and such notice references the Securities and this Indenture;

            (n) the rights, privileges, protections, immunities and benefits
given to the Trustee, including, without limitation, its right to be
indemnified, are extended to, and shall be enforceable by, the Trustee in each
of its capacities hereunder, and each agent, custodian and other Person employed
to act hereunder; and

            (o) the Trustee may request that the Company deliver a certificate
setting forth the names of individuals and/or titles of officers authorized at
such time to take specified actions pursuant to this Indenture.

            No provision of this Trust Agreement shall be deemed to impose any
duty or obligation on the Property 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 Property 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 Property Trustee
shall be construed to be a duty.

      SECTION 8.4 NOT RESPONSIBLE FOR RECITALS OR ISSUANCE OF SECURITIES.

            The recitals contained herein and in the Trust Securities
Certificates shall be taken as the statements of the Trust, and the Trustees do
not assume any responsibility for their correctness. The Trustees shall not be
accountable for the use or application by the Depositor of the proceeds of the
Debentures.

      SECTION 8.5 MAY HOLD SECURITIES.

            Any Trustee or any other agent of any Trustee or the Trust, in its
individual or any other capacity, may become the owner or pledgee of Trust
Securities and, subject to Sections 8.8 and 8.13 and except as provided in the
definition of the term "Outstanding" in Article I, may otherwise deal with the
Trust with the same rights it would have if it were not a Trustee or such other
agent.

      SECTION 8.6 COMPENSATION; INDEMNITY; FEES.

            The Depositor agrees:

<PAGE>

            (a) to pay to the Trustees from time to time reasonable compensation
for all services rendered by them hereunder (which compensation shall not be
limited by any provision of law in regard to the compensation of a trustee of an
express trust);

            (b) except as otherwise expressly provided herein, to reimburse the
Trustees upon request for all reasonable expenses, disbursements and advances
incurred or made by the Trustees in accordance with any provision of this Trust
Agreement (including the reasonable compensation and the expenses and
disbursements of its agents and counsel), except any such expense, disbursement
or advance as shall have been caused by its own negligence, bad faith or willful
misconduct;

            (c) to indemnify each of the Trustees and their officers, directors
and employees or any predecessor Trustee for, and to hold the Trustees harmless
against, any loss, damage, claims, liability, penalty or expense incurred
without negligence, bad faith or willful misconduct on its part, arising out of
or in connection with the acceptance or administration of this Trust Agreement,
including the costs and expenses of defending itself against any claim or
liability in connection with the exercise or performance of any of its powers or
duties hereunder (collectively, "Expenses"); and

            (d) to the fullest extent permitted by law, the Expenses (including
reasonable attorneys' fees and expenses) incurred by a Trustee referred to in
paragraph (c) of this Section 8.6 shall be paid by the Depositor in advance upon
receipt of an undertaking by or on behalf of such Trustee to repay such amount
if it shall ultimately be determined that such Trustee is not entitled to be
indemnified by the Depositor as authorized in this Section 8.6.

            No Trustee may claim any lien or charge on any Trust Property as a
result of any amount due pursuant to this Section 8.6.

            The indemnification pursuant to this Section 8.6 shall survive the
termination of this Agreement and resignation or removal of the Trustee.

      SECTION 8.7 CORPORATE PROPERTY TRUSTEE REQUIRED; ELIGIBILITY OF TRUSTEES.

            (a) There shall at all times be a Property Trustee hereunder with
respect to the Trust Securities. The Property Trustee shall be a Person that is
eligible pursuant to the Trust Indenture Act to act as such and has a combined
capital and surplus of at least $50,000,000. If any such Person publishes
reports of condition at least annually, pursuant to law or to the requirements
of its supervising or examining authority, then for the purposes of this
Section, the combined capital and surplus of such Person shall be deemed to be
its combined capital and surplus as set forth in its most recent report of
condition so published. If at any time the Property Trustee with respect to the
Trust Securities shall cease to be eligible in accordance with the provisions of
this Section, it shall resign immediately in the manner and with the effect
hereinafter specified in this Article.

            (b) There shall at all times be one or more Administrative Trustees
hereunder with respect to the Trust Securities. Each Administrative Trustee
shall be either a natural person

<PAGE>

who is at least 21 years of age or a legal entity that shall act through one or
more persons authorized to bind that entity.

            (c) There shall at all times be a Delaware Trustee with respect to
the Trust Securities. The Delaware Trustee shall either be (i) a natural person
who is at least 21 years of age and a resident of the State of Delaware or (ii)
a legal entity with its principal place of business in the State of Delaware and
that otherwise meets the requirements of applicable Delaware law that shall act
through one or more persons authorized to bind such entity.

      SECTION 8.8 CONFLICTING INTERESTS.

            If the Property Trustee has or shall acquire a conflicting interest
within the meaning of the Trust Indenture Act, the Property Trustee shall either
eliminate such interest or resign, to the extent and in the manner provided by,
and subject to the provisions of, the Trust Indenture Act and this Trust
Agreement.

      SECTION 8.9 CO-TRUSTEES AND SEPARATE TRUSTEE.

            Unless an Event of Default shall have occurred and be continuing, at
any time or times, for the purpose of meeting the legal requirements of the
Trust Indenture Act or of any jurisdiction in which any part of the Trust
Property may at the time be located, the Depositor and the Administrative
Trustees, by agreed action of the majority of such Trustees, shall have power to
appoint, and upon the written request of the Administrative Trustees, the
Depositor shall for such purpose join with the Administrative Trustees in the
execution, delivery, and performance of all instruments and agreements necessary
or proper to appoint, one or more Persons approved by the Property Trustee
either to act as co-trustee, jointly with the Property Trustee, of all or any
part of such Trust Property, or to the extent required by law to act as separate
trustee of any such property, in either case with such powers as may be provided
in the instrument of appointment, and to vest in such Person or Persons in the
capacity aforesaid, any property, title, right or power deemed necessary or
desirable, subject to the other provisions of this Section. If the Depositor
does not join in such appointment within 15 days after the receipt by it of a
request so to do, or in case a Debenture Event of Default has occurred and is
continuing, the Property Trustee alone shall have power to make such
appointment. Any co-trustee or separate trustee appointed pursuant to this
Section shall either be

                  (i) a natural person who is at least 21 years of age and a
      resident of the United States or

                  (ii) a legal entity with its principal place of business in
      the United States that shall act through one or more persons authorized to
      bond such entity.

            Should any written instrument from the Depositor be required by any
co-trustee or separate trustee so appointed for more fully confirming to such
co-trustee or separate trustee such property, title, right, or power, any and
all such instruments shall, on request, be executed, acknowledged, and delivered
by the Depositor.

            Every co-trustee or separate trustee shall, to the extent permitted
by law, but to such extent only, be appointed subject to the following terms,
namely:

<PAGE>

            (a) The Trust Securities shall be executed and delivered and all
rights, powers, duties, and obligations hereunder in respect of the custody of
securities, cash and other personal property held by, or required to be
deposited or pledged with, the Trustees specified hereunder, shall be exercised,
solely by such Trustees and not by such co-trustee or separate trustee.

            (b) The rights, powers, duties, and obligations hereby conferred or
imposed upon the Property Trustee in respect of any property covered by such
appointment shall be conferred or imposed upon and exercised or performed by the
Property Trustee or by the Property Trustee and such co-trustee or separate
trustee jointly, as shall be provided in the instrument appointing such
co-trustee or separate trustee, except to the extent that under any law of any
jurisdiction in which any particular act is to be performed, the Property
Trustee shall be incompetent or unqualified to perform such act, in which event
such rights, powers, duties, and obligations shall be exercised and performed by
such co-trustee or separate trustee.

            (c) The Property Trustee at any time, by an instrument in writing
executed by it, with the written concurrence of the Depositor, may accept the
resignation of or remove any co-trustee or separate trustee appointed under this
Section, and, in case an Event of Default under the Indenture has occurred and
is continuing, the Property Trustee shall have power to accept the resignation
of, or remove, any such co-trustee or separate trustee without the concurrence
of the Depositor. Upon the written request of the Property Trustee, the
Depositor shall join with the Property Trustee in the execution, delivery, and
performance of all instruments and agreements necessary or proper to effectuate
such resignation or removal. A successor to any co-trustee or separate trustee
so resigned or removed may be appointed in the manner provided in this Section.

            (d) No co-trustee or separate trustee hereunder shall be personally
liable by reason of any act or omission of the Property Trustee, or any other
trustee hereunder.

            (e) The Property Trustee shall not be liable by reason of any act of
a co-trustee or separate trustee.

            (f) Any Act of Holders delivered to the Property Trustee shall be
deemed to have been delivered to each such co-trustee and separate trustee.

      SECTION 8.10 RESIGNATION AND REMOVAL; APPOINTMENT OF SUCCESSOR.

            No resignation or removal of any Trustee (the "Relevant Trustee")
and no appointment of a successor Trustee pursuant to this Article shall become
effective until the acceptance of appointment by the successor Trustee in
accordance with the applicable requirements of Section 8.11.

            Any Trustee may resign at any time with respect to the Trust
Securities by giving written notice thereof to the Securityholders. If the
instrument of acceptance by the successor Trustee required by Section 8.11 shall
not have been delivered to the Relevant Trustee within 30 days after the giving
of such notice of resignation, the Relevant Trustee may petition, at the expense
of the Depositor, any court of competent jurisdiction for the appointment of a
successor Relevant Trustee with respect to the Trust Securities.

<PAGE>

            Unless a Debenture Event of Default shall have occurred and be
continuing, any Trustee may be removed at any time by Act of the Common
Securityholder. If a Debenture Event of Default shall have occurred and be
continuing, the Property Trustee or the Delaware Trustee, or both of them, may
be removed at such time by Act of the Holders of a majority in Liquidation
Amount of the Preferred Securities, delivered to the Relevant Trustee (in its
individual capacity and on behalf of the Trust). An Administrative Trustee may
be removed by the Common Securityholder at any time. If the instrument of
acceptance by the successor Trustee required by Section 8.11 shall not have been
delivered to the Relevant Trustee within 30 days after the giving of such notice
of resignation, the Relevant Trustee may petition, at the expense of the
Depositor, any court of competent jurisdiction for the appointment of a
successor Relevant Trustee with respect to the Trust Securities.

            If any Trustee shall resign, be removed or become incapable of
acting as Trustee, or if a vacancy shall occur in the office of any Trustee for
any cause, at a time when no Debenture Event of Default shall have occurred and
be continuing, the Common Securityholder, by Act of the Common Securityholder
delivered to the retiring Trustee, shall promptly appoint a successor Trustee or
Trustees with respect to the Trust Securities and the Trust, and the retiring
Trustee shall comply with the applicable requirements of Section 8.11. If the
Property Trustee or the Delaware Trustee shall resign, be removed or become
incapable of continuing to act as the Property Trustee or the Delaware Trustee,
as the case may be, at a time when a Debenture Event of Default is continuing,
the Preferred Securityholders, by Act of the Securityholders of a majority in
Liquidation Amount of the Preferred Securities then Outstanding delivered to the
retiring Relevant Trustee, shall promptly appoint a successor Relevant Trustee
or Trustees with respect to the Trust Securities and the Trust, and such
successor Trustee shall comply with the applicable requirements of Section 8.11.

            If an Administrative Trustee shall resign, be removed or become
incapable of acting as Administrative Trustee, at a time when a Debenture Event
of Default shall have occurred and be continuing, the Common Securityholder
shall appoint a successor or Administrative Trustees. If no successor Relevant
Trustee with respect to the Trust Securities shall have been so appointed by the
Common Securityholder or the Preferred Securityholders and accepted appointment
in the manner required by Section 8.11, any Securityholder who has been a
Securityholder of Trust Securities for at least six months may, on behalf of
himself and all others similarly situated, petition any court of competent
jurisdiction for the appointment of a successor Relevant Trustee with respect to
the Trust Securities.

            The Property Trustee shall give notice of each resignation and each
removal of a Trustee and each appointment of a successor Trustee to all
Securityholders in the manner provided in Section 10.8 and shall give notice to
the Depositor, in each case promptly upon receipt by it of notice of such
resignation. Each notice shall include the name of the successor Relevant
Trustee and the address of its Corporate Trust Office if it is the Property
Trustee.

            Notwithstanding the foregoing or any other provision of this Trust
Agreement, in the event any Administrative Trustee or a Delaware Trustee who is
a natural person dies or becomes, in the opinion of the Depositor, incompetent
or incapacitated, the vacancy created by such death, incompetence or incapacity
may be filled by (a) the unanimous act of remaining Administrative Trustees if
there are at least two of them or (b) otherwise by the Depositor (with

<PAGE>

the successor in each case being a Person who satisfies the eligibility
requirement for Administrative Trustees set forth in Section 8.7).

      SECTION 8.11 ACCEPTANCE OF APPOINTMENT BY SUCCESSOR.

            In case of the appointment hereunder of a successor Trustee such
successor Trustee so appointed shall execute, acknowledge and deliver to the
Trust and to the retiring Trustee an instrument accepting such appointment, and
thereupon the resignation or removal of the retiring Trustee shall become
effective and such successor Trustee, without any further act, deed or
conveyance, shall become vested with all the rights, powers, trusts and duties
of the retiring Trustee; but, on the request of the Depositor or the successor
Trustee, such retiring Trustee shall, upon payment of its charges, execute and
deliver an instrument transferring to such successor Trustee all the rights,
powers and trusts of the retiring Trustee and if the Property Trustee is the
resigning Trustee shall duly assign, transfer and deliver to the successor
Trustee all property and money held by such retiring Property Trustee hereunder.

            In case of the appointment hereunder of a successor Relevant Trustee
with respect to the Trust Securities and the Trust, the retiring Relevant
Trustee (if requested by the Depositor) and each successor Relevant Trustee with
respect to the Trust Securities shall execute and deliver an amendment hereto
wherein each successor Relevant Trustee shall accept such appointment and which

            (a) shall contain such provisions as shall be necessary or desirable
to transfer and confirm to, and to vest in, each successor Relevant Trustee all
the rights, powers, trusts and duties of the retiring Relevant Trustee with
respect to the Trust Securities and the Trust and

            (b) shall add to or change any of the provisions of this Trust
Agreement as shall be necessary to provide for or facilitate the administration
of the trusts hereunder by more than one Relevant Trustee, it being understood
that nothing herein or in such amendment shall constitute such Relevant Trustees
co-trustees of the same trust and that each such Relevant Trustee shall be
trustee of a trust or trusts hereunder separate and apart from any trust or
trusts hereunder administered by any other such Relevant Trustee and upon the
execution and delivery of such amendment the resignation or removal of the
retiring Relevant Trustee shall become effective to the extent provided therein
and each such successor Relevant Trustee, without any further act, deed or
conveyance, shall become vested with all the rights, powers, trusts and duties
of the retiring Relevant Trustee with respect to the Trust Securities and the
Trust; but, on request of the Trust or any successor Relevant Trustee such
retiring Relevant Trustee shall duly assign, transfer and deliver to such
successor Relevant Trustee all Trust Property, all proceeds thereof and money
held by such retiring Relevant Trustee hereunder with respect to the Trust
Securities and the Trust.

            Upon request of any such successor Relevant Trustee, the Trust shall
execute any and all instruments for more fully and certainly vesting in and
confirming to such successor Relevant Trustee all such rights, powers and trusts
referred to in the first or second preceding paragraph, as the case may be.

<PAGE>

            No successor Relevant Trustee shall accept its appointment unless at
the time of such acceptance such successor Relevant Trustee shall be qualified
and eligible under this Article.

      SECTION 8.12 MERGER, CONVERSION, CONSOLIDATION OR SUCCESSION TO BUSINESS.

            Any corporation into which the Property Trustee, the Delaware
Trustee or any Administrative Trustee may be merged or converted or with which
it may be consolidated, or any corporation resulting from any merger, conversion
or consolidation to which such Relevant Trustee shall be a party, or any
corporation succeeding to all or substantially all the corporate trust business
of such Relevant Trustee, shall be the successor of such Relevant Trustee
hereunder, provided such corporation shall be otherwise qualified and eligible
under this Article, without the execution or filing of any paper or any further
act on the part of any of the parties hereto.

      SECTION 8.13 PREFERENTIAL COLLECTION OF CLAIMS AGAINST DEPOSITOR OR TRUST.

            If and when the Property Trustee or the Delaware Trustee shall be or
become a creditor of the Depositor or the Trust (or any other obligor upon the
Debentures or the Trust Securities), the Property Trustee or the Delaware
Trustee, as the case may be, shall be subject to and shall take all actions
necessary in order to comply with the provisions of the Trust Indenture Act
regarding the collection of claims against the Depositor or Trust (or any such
other obligor).

      SECTION 8.14 REPORTS BY PROPERTY TRUSTEE.

            (a) Within 60 days after December 31 of each year commencing with
December 31, 200- the Property Trustee shall transmit to all Securityholders in
accordance with Section 10.8, and to the Depositor, a brief report dated as of
such December 31 with respect to:

                  (i) its eligibility under Section 8.7 or, in lieu thereof, if
      to the best of its knowledge it has continued to be eligible under said
      Section, a written statement to such effect;

                  (ii) a statement that the Property Trustee has complied with
      all of its obligations under this Trust Agreement during the twelve-month
      period (or, in the case of the initial report, the period since the
      Closing Date) ending with such December 31 or, if the Property Trustee has
      not complied in any material respect with such obligations, a description
      of such noncompliance; and

                  (iii) any change in the property and funds in its possession
      as Property Trustee since the date of its last report and any action taken
      by the Property Trustee in the performance of its duties hereunder which
      it has not previously reported and which in its opinion materially affects
      the Trust Securities.

            (b) In addition the Property Trustee shall transmit to
Securityholders and the Depositor such reports concerning the Property Trustee
and its actions under this Trust

<PAGE>

Agreement as may be required pursuant to the Trust Indenture Act at the times
and in the manner provided pursuant thereto.

            (c) A copy of each such report shall, at the time of such
transmission to the Depositor, be filed by the Depositor with each stock
exchange upon which the Trust Securities are listed and with the Commission.

            (d) Delivery of such reports, information and documents to the
Trustee is for informational purposes only and the Trustee's receipt of such
shall not constitute constructive notice of any information relating to
financial statements contained therein or determinable from financial statements
contained therein, including the Company's compliance with any of its covenants
hereunder (as to which the Trustee is entitled to rely exclusively on Officers'
Certificates).

      SECTION 8.15 REPORTS TO THE PROPERTY TRUSTEE.

            The Depositor and the Administrative Trustees on behalf of the Trust
shall provide to the Property Trustee such documents, reports and information as
required by Section 3.14 of the Trust Indenture Act (if any) and the compliance
certificate required by Section 3.14(a) of the Trust Indenture Act in the form,
in the manner and at the times required by Section 3.14 of the Trust Indenture
Act.

      SECTION 8.16 EVIDENCE OF COMPLIANCE WITH CONDITIONS PRECEDENT.

            Each of the Depositor and the Administrative Trustees on behalf of
the Trust shall provide to the Property Trustee such evidence of compliance with
any conditions precedent, if any, provided for in this Trust Agreement that
relate to any of the matters set forth in Section 3.14(c) of the Trust Indenture
Act. Any certificate or opinion required to be given by an officer pursuant to
Section 3.14(c)(1) of the Trust Indenture Act shall be given in the form of an
Officers' Certificate.

      SECTION 8.17 NUMBER OF TRUSTEES.

            (a) The number of Trustees shall be four, provided that the Holder
of all of the Common Securities by written instrument may increase or decrease
the number of Administrative Trustees.

            (b) If a Trustee ceases to hold office for any reason and the number
of Administrative Trustees is not reduced pursuant to Section 8.17(a), or if the
number of Trustees is increased pursuant to Section 8.17(a), a vacancy shall
occur. The vacancy shall be filled with a Trustee appointed in accordance with
Section 8.10.

            (c) The death, resignation, retirement, removal, bankruptcy,
incompetence or incapacity to perform the duties of a Trustee shall not operate
to annul, dissolve or terminate the Trust. Whenever a vacancy in the number of
Administrative Trustees shall occur, until such vacancy is filled by the
appointment of an Administrative Trustee in accordance with Section 8.10, the
Administrative Trustees in office, regardless of their number (and
notwithstanding any other provision of this Trust Agreement), shall have all the
powers granted to the Administrative

<PAGE>

Trustees and shall discharge all the duties imposed upon the Administrative
Trustees by this Trust Agreement.

      SECTION 8.18 DELEGATION OF POWER.

            (a) Any Administrative Trustee may, by power of attorney consistent
with applicable law, delegate to any other natural person over the age of 21 his
or her power for the purpose of executing any documents contemplated in Section
2.7(a), including any registration statement or amendment thereto filed with the
Commission, or making any other governmental filing; and

            (b) The Administrative Trustees shall have power to delegate from
time to time to such of their number or to the Depositor the doing of such
things and the execution of such instruments either in the name of the Trust or
the names of the Administrative Trustees or otherwise as the Administrative
Trustees may deem expedient, to the extent such delegation is not prohibited by
applicable law or contrary to the provisions of the Trust, as set forth herein.

                                   ARTICLE IX
                       DISSOLUTION, LIQUIDATION AND MERGER

      SECTION 9.1 DISSOLUTION UPON EXPIRATION DATE.

            Unless earlier dissolved, the Trust shall automatically dissolve on
- , - (the "Expiration Date"), following the distribution of the Trust Property
in accordance with Section 9.4.

      SECTION 9.2 EARLY DISSOLUTION.

            The first to occur of any of the following events is an "Early
Termination Event", upon the occurrence of which the Trust shall be dissolved:

            (a) the occurrence of a Bankruptcy Event in respect of, or the
dissolution or liquidation of, the Depositor;

            (b) the occurrence of a Tax Event or an Investment Company Event
(each, a "Special Event"), or the Trust is or will not be taxed as a grantor
trust but a Tax Event has not occurred (a "Grantor Trust Event"), and written
direction is given to the Property Trustee from the Depositor within 45 days of
such Special Event or Grantor Trust Event (which direction is optional and
wholly within the discretion of the Depositor) to dissolve the Trust and
distribute Debentures to Securityholders in accordance with Section 9.4;

            (c) the redemption of all of the Preferred Securities; and

            (d) an order for dissolution of the Trust shall have been entered by
a court of competent jurisdiction.

      SECTION 9.3 TERMINATION.

<PAGE>

            The respective obligations and responsibilities of the Trustees and
the Trust created and continued hereby shall terminate upon the latest to occur
of the following:

            (a) the distribution by the Property Trustee to Securityholders upon
the liquidation of the Trust pursuant to Section 9.4, or upon the redemption of
all of the Trust Securities pursuant to Section 4.2, of all amounts required to
be distributed hereunder upon the final payment of the Trust Securities;

            (b) the payment of any expenses owed by the Trust; and

            (c) the discharge of all administrative duties of the Administrative
Trustees, including the performance of any tax reporting obligations with
respect to the Trust or the Securityholders.

      SECTION 9.4 LIQUIDATION.

            (a) If an Early Termination Event specified in clause (a), (b) or
(d) of Section 9.2 occurs or upon the Expiration Date, the Trust shall be
liquidated by the Trustees as expeditiously as the Trustees determine to be
possible by distributing, after satisfaction of liabilities to creditors of the
Trust as provided by applicable law, to each Securityholder a Like Amount of
Debentures, subject to Section 9.4(d). Notice of liquidation shall be given by
the Property Trustee by first-class mail, postage prepaid, mailed not later than
30 nor more than 60 days prior to the Liquidation Date to each Holder of Trust
Securities at such Holder's address appearing in the Securities Register. All
notices of liquidation shall:

                  (i) state the Liquidation Date;

                  (ii) state that from and after the Liquidation Date, the Trust
      Securities will no longer be deemed to be outstanding and any Trust
      Securities Certificates not surrendered for exchange will be deemed to
      represent a Like Amount of Debentures; and

                  (iii) provide such information with respect to the mechanics
      by which Holders may exchange Trust Securities Certificates for
      Debentures, or if Section 9.4(d) applies receive a Liquidation
      Distribution, as the Administrative Trustees or the Property Trustee shall
      deem appropriate.

            (b) Except where Section 9.2(c) or 9.4(d) applies, in order to
effect the liquidation of the Trust and distribution of the Debentures to
Securityholders, the Property Trustee shall establish a record date for such
distribution (which shall be not more than 45 days prior to the Liquidation
Date) and, either itself acting as exchange agent or through the appointment of
a separate exchange agent, shall establish such procedures as it shall deem
appropriate to effect the distribution of Debentures in exchange for the
Outstanding Trust Securities Certificates.

            (c) Except where Section 9.2(c) or 9.4(d) applies, after the
Liquidation Date, (i) the Trust Securities will no longer be deemed to be
outstanding, (ii) certificates representing a Like Amount of Debentures will be
issued to holders of Trust Securities Certificates, upon

<PAGE>

surrender of such certificates to the Administrative Trustees or their agent for
exchange, (iii) the Depositor shall use its reasonable efforts to have the
Debentures listed on the New York Stock Exchange or on such other exchange as
the Preferred Securities are then listed, (iv) any Trust Securities Certificates
not so surrendered for exchange will be deemed to represent a Like Amount of
Debentures, accruing interest at the rate provided for in the Debentures from
the last Distribution Date on which a Distribution was made on such Trust
Certificates until such certificates are so surrendered (and until such
certificates are so surrendered, no payments or interest or principal will be
made to holders of Trust Securities Certificates with respect to such
Debentures) and (iv) all rights of Securityholders holding Trust Securities will
cease, except the right of such Securityholders to receive Debentures upon
surrender of Trust Securities Certificates.

            (d) In the event that, notwithstanding the other provisions of this
Section 9.4, whether because of an order for dissolution entered by a court of
competent jurisdiction or otherwise, distribution of the Debentures in the
manner provided herein is determined by the Property Trustee not to be
practical, the Trust Property shall be liquidated, and the Trust shall be
wound-up by the Property Trustee in such manner as the Property Trustee
determines. In such event, Securityholders will be entitled to receive out of
the assets of the Trust available for distribution to Securityholders, after
satisfaction of liabilities to creditors of the Trust as provided by applicable
law, an amount equal to the Liquidation Amount per Trust Security plus accrued
and unpaid Distributions thereon to the date of payment (such amount being the
"Liquidation Distribution"). If, upon any such winding up the Liquidation
Distribution can be paid only in part because the Trust has insufficient assets
available to pay in full the aggregate Liquidation Distribution, then, subject
to the next succeeding sentence, the amounts payable by the Trust on the Trust
Securities shall be paid on a pro rata basis (based upon Liquidation Amounts).
The Holder of the Common Securities will be entitled to receive Liquidation
Distributions upon any such dissolution, winding-up or termination pro rata
(determined as aforesaid) with Holders of Preferred Securities, except that, if
a Debenture Event of Default has occurred and is continuing, the Preferred
Securities shall have a priority over the Common Securities.

            (e) Upon the completion of the winding up of the Trust, in
accordance with Section 3808 of the Delaware Statutory Trust Act, and its
termination, the Property Trustee and the Administrative Trustees shall cause
the Trust's Certificate of Trust to be cancelled by filing a certificate of
cancellation with the Secretary of State of the State of Delaware in accordance
with the provisions of Section 3810(d) of the Statutory Trust Statute.

      SECTION 9.5 MERGERS, CONSOLIDATIONS OR REPLACEMENTS OF THE TRUST.

            The Trust may not merge with or into, consolidate or be replaced by,
or convey, transfer or lease its properties and assets substantially as an
entirety to any corporation or other body, except pursuant to this Section 9.5
or Section 9.4. At the request of the Depositor, with the consent of the
Administrative Trustees and without the consent of the holders of the Preferred
Securities, the Trust may merge with or into, consolidate or be replaced by a
trust organized as such under the laws of any State; provided, that

            (i) such successor entity either

<PAGE>

                  (a) expressly assumes all of the obligations of the Trust with
respect to the Preferred Securities or

                  (b) substitutes for the Preferred Securities other securities
having substantially the same terms as the Preferred Securities (the "Successor
Securities") so long as the Successor Securities rank the same as the Preferred
Securities rank in priority with respect to distributions and payments upon
liquidation, redemption and otherwise,

            (ii) the Depositor expressly appoints a trustee of such successor
entity possessing the same powers and duties as the Property Trustee as the
holder of the Debentures,

            (iii) the Successor Securities are listed, or any Successor
Securities will be listed upon notification of issuance, on any national
securities exchange or other organization on which the Preferred Securities are
then listed, if any,

            (iv) such merger, consolidation or replacement does not cause the
Preferred Securities (including any Successor Securities) to be downgraded by
any nationally recognized statistical rating organization,

            (v) such merger, consolidation or replacement does not adversely
affect the rights, preferences and privilege of the holders of the Preferred
Securities (including any Successor Securities) in any material respect,

            (vi) such successor entity has a purpose substantially identical to
that of the Trust,

            (vii) prior to such merger, consolidation or replacement, the
Depositor has received an Opinion of Counsel to the effect that

                  (a) such merger, consolidation or replacement does not
adversely affect the rights, preferences and privileges of the holders of the
Preferred Securities (including any Successor Securities) in any material
respect, and

                  (b) following such merger, consolidation or replacement,
neither the Trust nor such successor entity will be required to register as an
investment company under the 1940 Act and

            (viii) the Depositor owns all of the common securities of such
successor entity and guarantees the obligations of such successor entity under
the Successor Securities at least to the extent provided by the Guarantee.
Notwithstanding the foregoing, the Trust shall not, except with the consent of
holders of 100% in Liquidation Amount of the Preferred Securities, consolidate,
merge with or into, or be replaced by any other entity or permit any other
entity to consolidate, merge with or into, or replace it if such consolidation,
merger or replacement would cause the Trust or the successor entity to be
classified as other than a grantor trust for federal income tax purposes.

                                    ARTICLE X
                            MISCELLANEOUS PROVISIONS

<PAGE>

      SECTION 10.1 LIMITATION OF RIGHTS OF SECURITYHOLDERS.

            The death or incapacity of any Person having an interest, beneficial
or otherwise, in Trust Securities shall not operate to terminate this Trust
Agreement, nor annul, dissolve or terminate the Trust, nor entitle the legal
representatives or heirs of such person or any Securityholder for such person,
to claim an accounting, take any action or bring any proceeding in any court for
a partition or winding up of the arrangements contemplated hereby, nor otherwise
affect the rights, obligations and liabilities of the parties hereto or any of
them.

      SECTION 10.2 AMENDMENT.

            (a) This Trust Agreement may be amended from time to time by the
Administrative Trustees and the Depositor, without the consent of any
Securityholders,

                  (i) to cure any ambiguity, correct or supplement any provision
      herein or therein which may be inconsistent with any other provision
      herein or therein, or to make any other provisions with respect to matters
      or questions arising under this Trust Agreement, which shall not be
      inconsistent with the other provisions of this Trust Agreement, or

                  (ii) to modify, eliminate or add to any provisions of this
      Trust Agreement to such extent as shall be necessary to ensure that the
      Trust will be classified for Federal income tax purposes as a grantor
      trust at all times that any Trust Securities are outstanding or to ensure
      that the Trust will not be required to register as an "investment company"
      under the 1940 Act; provided, however, that in the case of clause (i),
      such action shall not adversely affect in any material respect the
      interests of any Securityholder, and any such amendments of this Trust
      Agreement shall become effective when notice thereof is given to the
      Securityholders.

            (b) Except as provided in Section 10.2(c) hereof, any provision of
this Trust Agreement may be amended by the Administrative Trustees and the
Depositor with

                  (i) the consent of Trust Securityholders representing not less
      than a majority (based upon Liquidation Amounts) of the Trust Securities
      then Outstanding and

                  (ii) receipt by the Trustees of an Opinion of Counsel to the
      effect that such amendment or the exercise of any power granted to the
      Trustees in accordance with such amendment will not affect the Trust's
      status as a grantor trust for federal income tax purposes or the Trust's
      exemption from status of an "investment company" under the 1940 Act.

            (c) In addition to and notwithstanding any other provision in this
Trust Agreement, without the consent of each affected Securityholder, this Trust
Agreement may not be amended to

                  (i) change the amount or timing of any Distribution on the
      Trust Securities or otherwise adversely affect the amount of any
      Distribution required to be made in respect of the Trust Securities as of
      a specified date or

<PAGE>

                  (ii) restrict the right of a Securityholder to institute suit
      for the enforcement of any such payment on or after such date;
      notwithstanding any other provision herein without the unanimous consent
      of the Securityholders, this paragraph (c) of this Section 10.2 may not be
      amended.

            (d) Notwithstanding any other provisions of this Trust Agreement, no
Trustee shall enter into or consent to any amendment to this Trust Agreement
which would cause the Trust to fail or cease to qualify for the exemption from
status of an "investment company" under the 1940 Act.

            (e) Notwithstanding anything in this Trust Agreement to the
contrary, without the consent of the Depositor, this Trust Agreement may not be
amended in a manner which imposes any additional obligation on the Depositor.

            (f) In the event that any amendment to this Trust Agreement is made,
the Administrative Trustees shall promptly provide to the Depositor a copy of
such amendment.

            (g) No amendment to this Trust Agreement shall be adopted that
affects the Property Trustee's or the Delaware Trustee's rights, duties or
immunities under this Trust Agreement without the consent of the Property
Trustee or the Delaware Trustee, as the case may be. The Property Trustee and
the Delaware Trustee shall be provided with and conclusively rely on an Opinion
of Counsel and an Officer's Certificate stating that any amendment to this Trust
Agreement is in compliance with this Trust Agreement.

      SECTION 10.3 SEPARABILITY.

            In case any provision in this Trust Agreement or in the Trust
Securities Certificates shall be invalid, illegal or unenforceable, the
validity, legality and enforceability of the remaining provisions shall not in
any way be affected or impaired thereby.

      SECTION 10.4 GOVERNING LAW.

            THIS TRUST AGREEMENT AND THE RIGHTS AND OBLIGATIONS OF EACH OF THE
SECURITYHOLDERS, THE TRUST AND THE TRUSTEES WITH RESPECT TO THIS TRUST AGREEMENT
AND THE TRUST SECURITIES SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY
THE LAWS OF THE STATE OF DELAWARE WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF
LAWS, PROVIDED, HOWEVER, THAT THERE SHALL NOT BE APPLICABLE TO THE PARTIES
HEREUNDER OR THIS TRUST AGREEMENT ANY PROVISION OF THE LAWS (COMMON OR
STATUTORY) OF THE STATE OF DELAWARE PERTAINING TO TRUSTS THAT RELATE TO OR
REGULATE, IN A MANNER INCONSISTENT WITH THE TERMS HEREOF, (A) THE FILING WITH
ANY COURT OR GOVERNMENTAL BODY OR AGENCY OF TRUSTEE ACCOUNTS OR SCHEDULES OF
TRUSTEE FEES AND CHARGES, (B) AFFIRMATIVE REQUIREMENTS TO POST BONDS FOR
TRUSTEES, OFFICERS, AGENTS OR EMPLOYEES OF A TRUST, (C) THE NECESSITY FOR
OBTAINING COURT OR OTHER GOVERNMENTAL APPROVAL CONCERNING THE ACQUISITION,
HOLDING OR DISPOSITION OF REAL OR PERSONAL PROPERTY, (D) FEES OR OTHER SUMS
PAYABLE TO TRUSTEES, OFFICERS, AGENTS OR

<PAGE>

EMPLOYEES OF A TRUST, (E) THE ALLOCATION OF RECEIPTS AND EXPENDITURES TO INCOME
OR PRINCIPAL, (F) RESTRICTIONS OR LIMITATIONS ON THE PERMISSIBLE NATURE, AMOUNT
OR CONCENTRATION OF TRUST INVESTMENTS OR REQUIREMENTS RELATING TO THE TITLING,
STORAGE OR OTHER MANNER OF HOLDING OR INVESTING.

      SECTION 10.5 PAYMENTS DUE ON NON-BUSINESS DAY.

            If the date fixed for any payment on any Trust Security shall be a
day which is not a Business Day, then such payment need not be made on such date
but may be made on the next succeeding day which is a Business Day (except as
otherwise provided in Section 4.1(a)), with the same force and effect as though
made on the date fixed for such payment, and no interest shall accrue thereon
for the period after such date.

      SECTION 10.6 SUCCESSORS.

            This Trust Agreement shall be binding upon and shall inure to the
benefit of any successor to the Depositor, the Trust or the Relevant Trustee,
including any successor by operation of law. Except in connection with a
consolidation, merger or sale involving the Depositor that is permitted under
Article Eight of the Indenture and pursuant to which the assignee agrees in
writing to perform the Depositor's obligations hereunder, the Depositor shall
not assign its obligations hereunder.

      SECTION 10.7 HEADINGS.

            The Article and Section headings are for convenience only and shall
not affect the construction of this Trust Agreement.

      SECTION 10.8 REPORTS, NOTICES AND DEMANDS.

            Any report, notice, demand or other communication which by any
provision of this Trust Agreement is required or permitted to be given or served
to or upon any Securityholder or the Depositor may be given or served in writing
by deposit thereof, first-class postage prepaid, in the United States mail, hand
delivery or facsimile transmission, in each case, addressed,

            (a) in the case of a Preferred Securityholder, to such Preferred
Securityholder as such Securityholder's name and address may appear on the
Securities Register; and

            (b) in the case of the Common Securityholder or the Depositor, to
AmerUs Group Co., 699 Walnut Street, Des Moines, Iowa 50309, Attention: Melinda
Urion, facsimile no.: (515) 362-3648. Any notice to Preferred Securityholders
shall also be given to such owners as have, within two years preceding the
giving of such notice, filed their names and addresses with the Property Trustee
for that purpose. Such notice, demand or other communication to or upon a
Securityholder shall be deemed to have been sufficiently given or made, for all
purposes, upon hand delivery, mailing or transmission.

            Any notice, demand or other communication which by any provision of
this Trust Agreement is required or permitted to be given or served to or upon
the Trust, the Property

<PAGE>

Trustee or the Administrative Trustees shall be given in writing addressed
(until another address is published by the Trust) as follows:

            (a) with respect to the Property Trustee to The Bank of New York
Trust Company, N.A., 2 N. LaSalle Street, Suite 1020, Chicago, IL 60602,
Attention: __________;

            (b) with respect to the Delaware Trustee, to The Bank of New York
(Delaware), 502 White Clay Center, Route 273, Newark, Delaware 19711, Attention:
Corporate Trust Administration; and

            (c) with respect to the Administrative Trustees, to them at the
address above for notices to the Depositor, marked "Attention: Administrative
Trustees of AmerUs Capital IV." Such notice, demand or other communication to or
upon the Trust or the Property Trustee shall be deemed to have been sufficiently
given or made only upon actual receipt of the writing by the Trust or the
Property Trustee.

      SECTION 10.9 AGREEMENT NOT TO PETITION.

            Each of the Trustees and the Depositor agree for the benefit of the
Securityholders that, until at least one year and one day after the Trust has
been terminated in accordance with Article IX, they shall not file, or join in
the filing of, a petition against the Trust under any bankruptcy, insolvency,
reorganization or other similar law (including, without limitation, the United
States Bankruptcy Code) (collectively, "Bankruptcy Laws") or otherwise join in
the commencement of any proceeding against the Trust under any Bankruptcy Law.
In the event the Depositor takes action in violation of this Section 10.9, the
Property Trustee agrees, for the benefit of Securityholders, that at the expense
of the Depositor, it shall (promptly after receipt of written notice of the
taking of such action) file an answer with the bankruptcy court or otherwise
properly contest the filing of such petition by the Depositor against the Trust
or the commencement of such action and raise the defense that the Depositor has
agreed in writing not to take such action and should be stopped and precluded
therefrom and such other defenses, if any, as counsel for the Trustee or the
Trust may assert. The provisions of this Section 10.9 shall survive the
termination of this Trust Agreement.

      SECTION 10.10 TRUST INDENTURE ACT; CONFLICT WITH TRUST INDENTURE ACT.

            (a) This Trust Agreement is subject to the provisions of the Trust
Indenture Act that are required to be part of this Trust Agreement and shall, to
the extent applicable, be governed by such provisions.

            (b) The Property Trustee shall be the only Trustee which is a
trustee for the purposes of the Trust Indenture Act.

            (c) If any provision hereof limits, qualifies or conflicts with
another provision hereof which is required to be included in this Trust
Agreement by any of the provisions of the Trust Indenture Act, such required
provision shall control. If any provision of this Trust Agreement modifies or
excludes any provision of the Trust Indenture Act which may be so modified or
excluded, the latter provision shall be deemed to apply to this Trust Agreement
as so modified or to be excluded, as the case may be.

<PAGE>

            (d) The application of the Trust Indenture Act to this Trust
Agreement shall not affect the nature of the Securities as equity securities
representing undivided beneficial interests in the assets of the Trust.

      SECTION 10.11 ACCEPTANCE OF TERMS OF TRUST AGREEMENT, GUARANTEE AND
INDENTURE.

THE RECEIPT AND ACCEPTANCE OF A TRUST SECURITY OR ANY INTEREST THEREIN BY OR ON
BEHALF OF A SECURITYHOLDER OR ANY BENEFICIAL OWNER, WITHOUT ANY SIGNATURE OR
FURTHER MANIFESTATION OF ASSENT, SHALL CONSTITUTE THE UNCONDITIONAL ACCEPTANCE
BY THE SECURITYHOLDER AND ALL OTHERS HAVING A BENEFICIAL INTEREST IN SUCH TRUST
SECURITY OF ALL THE TERMS AND PROVISIONS OF THIS TRUST AGREEMENT AND AGREEMENT
TO THE SUBORDINATION PROVISIONS AND OTHER TERMS OF THE GUARANTEE AND THE
INDENTURE, AND SHALL CONSTITUTE THE AGREEMENT OF THE TRUST, SUCH SECURITYHOLDER
AND SUCH OTHERS THAT THE TERMS AND PROVISIONS OF THIS TRUST AGREEMENT SHALL BE
BINDING, OPERATIVE AND EFFECTIVE AS BETWEEN THE TRUST AND SUCH SECURITYHOLDER
AND SUCH OTHERS.

<PAGE>

                                      AMERUS GROUP CO.

                                      By: ______________________________
                                          Name:
                                          Title:

                                      THE BANK OF NEW YORK TRUST
                                      COMPANY, N.A. as Property Trustee

                                      By: ______________________________
                                          Name:
                                          Title:

                                      THE BANK OF NEW YORK
                                      (DELAWARE)
                                      as Delaware Trustee

                                      By: ______________________________
                                          Name:
                                          Title:

                                      By: ______________________________
                                          as Administrative Trustee

                                      By: ______________________________
                                          as Administrative Trustee

<PAGE>

                                    Exhibit A

                    Certificate Of Trust of AmerUs Capital IV

      This Certificate of Trust of AmerUs Capital IV (the "Trust"), is being
duly executed and filed by the undersigned, as trustee, to form a statutory
trust under the Delaware Statutory Trust Act (12 Del. C. Section 3801 et seq.)
(the "Act").

      1. Name. The name of the statutory trust formed hereby is AmerUs Capital
IV.

      2. Delaware Trustee. The name and business address of the trustee of the
Trust with its principal place of business in the State of Delaware is The Bank
of New York (Delaware), 502 White Clay Center, Route 273, Newark, Delaware
19711, Attention: Corporate Trust Administration.

      3. Effective Date. This Certificate of Trust shall be effective upon
filing with the Secretary of State of the State of Delaware.

      IN WITNESS WHEREOF, the undersigned, being the sole trustee of the Trust,
has executed this Certificate of Trust in accordance with Section 3811 of the
Act.

                                      The Bank of New York (Delaware),
                                      as Delaware Trustee

                                      By: ____________________
                                          Name:
                                          Title:

<PAGE>

                                    Exhibit B

The Depository Trust Company
55 Water Street, 49th Floor
New York, New York 10041-0099.

Attention:  ________________________
General Counsel's Office

Re: AmerUs Capital _____ Preferred Securities

Ladies and Gentlemen:

            The purpose of this letter is to set forth certain matters relating
to the issuance and deposit with The Depository Trust Company ("DTC") of the
AmerUs Capital _____ _________% Preferred Securities, Series A (the "Preferred
Securities"), of AmerUs Capital _____, a Delaware statutory trust (the
"Issuer"), formed pursuant to a Trust Agreement between AmerUs Group Co.
("AmerUs") and The Bank of New York Trust Company, N.A., as Trustee. The payment
of distributions on the Preferred Securities to the extent the Issuer has funds
available for the payment thereof, and payments due upon liquidation of Issuer
or redemption of the Preferred Securities are guaranteed by AmerUs to the extent
set forth in a Guarantee Agreement, dated -, 200-, by AmerUs with respect to the
Preferred Securities. AmerUs and the Issuer propose to sell the Preferred
Securities to certain Underwriters (the "Underwriters") pursuant to an
Underwriting Agreement, dated -, 200-, by and among the Underwriters, the Issuer
and AmerUs dated -, 200- and the Underwriters wish to take delivery of the
Preferred Securities through DTC. __________ is acting as transfer agent and
registrar with respect to the Preferred Securities (the "Transfer Agent and
Registrar").

            To induce DTC to accept the Preferred Securities as eligible for
deposit at DTC, and to act in accordance with DTC's rules with respect to the
Preferred Securities, the Issuer, the Transfer Agent and Registrar and DTC agree
among each other as follows:

            1. Prior to the closing of the sale of the Preferred Securities to
the Underwriters, which is expected to occur on or about _____, 200-, there
shall be deposited with DTC one or more global certificates (individually and
collectively, the "Global Certificate") registered in the name of DTC's
Preferred Securities nominee, Cede & Co., representing an aggregate of
_____________ Preferred Securities and bearing the following legend:

Unless this certificate is presented by an authorized representative of DTC, to
Issuer or its agent for registration of transfer, exchange, or payment, and any
certificate issued is registered in the name of Cede & Co. or in such other name
as is requested by an authorized representative of DTC (and any payment is made
to Cede & Co. or to such other entity as is requested by an authorized
representative of DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR
OTHERWISE BY OR TO ANY PERSON IS WRONGFUL inasmuch as the registered owner
hereof, Cede & Co., has an interest herein.

<PAGE>

            2. The Amended and Restated Trust Agreement of the Issuer provides
for the voting by holders of the Preferred Securities under certain limited
circumstances. The Issuer shall establish a record date for such purposes and
shall, to the extent possible, give DTC notice of such record date not less than
15 calendar days in advance of such record date.

            3. In the event of a stock split, conversion, recapitalization,
reorganization or any other similar transaction resulting in the cancellation of
all or any part of the Preferred Securities outstanding, the Issuer or the
Transfer Agent and Registrar shall send DTC a notice of such event at least 5
business days prior to the effective date of such event.

            4. In the event of distribution on, or an offering or issuance of
rights with respect to, the Preferred Securities outstanding, the Issuer or the
Transfer Agent and Registrar shall send DTC a notice specifying: (a) the amount
of and conditions, if any, applicable to the payment of any such distribution or
any such offering or issuance of rights; (b) any applicable expiration or
deadline date, or any date by which any action on the part of the holders of
Preferred Securities is required; and (c) the date any required notice is to be
mailed by or on behalf of the Issuer to holders of Preferred Securities or
published by or on behalf of the Issuer (whether by mail or publication, the
"Publication Date"). Such notice shall be sent to DTC by a secure means (e.g.,
legible telecopy, registered or certified mail, overnight delivery) in a timely
manner designed to assure that such notice is in DTC's possession no later than
the close of business on the business day before the Publication Date. The
Issuer or the Transfer Agent and Registrar will forward such notice either in a
separate secure transmission for each CUSIP number or in a secure transmission
of multiple CUSIP numbers (if applicable) that includes a manifest or list of
each CUSIP number submitted in that transmission. (The party sending such notice
shall have a method to verify subsequently the use of such means and the
timeliness of such notice.) The Publication Date shall be not less than 30
calendar days nor more than 60 calendar days prior to the payment of any such
distribution or any such offering or issuance of rights with respect to the
Preferred Securities. After establishing the amount of payment to be made on the
Preferred Securities, the Issuer or the Transfer Agent and Registrar will notify
DTC's Dividend Department of such payment 5 business days prior to payment date.
Notices to DTC's Dividend Department by telecopy shall be sent to (212)
855-4555. Such notices by mail or by any other means shall be sent to:

Manager, Announcements
Dividend Department
The Depository Trust Company
55 Water Street, 25th Floor
New York, New York 10041

            The Issuer or the Transfer Agent and Registrar shall confirm DTC's
receipt of such telecopy by telephoning the Dividend Department at (212)
855-4550.

            5. In the event of a redemption by the Issuer of the Preferred
Securities, notice specifying the terms of the redemption and the Publication
Date of such notice shall be sent by the Issuer or the Transfer Agent and
Registrar to DTC not less than 30 calendar days prior to such event by a secure
means in the manner set forth in paragraph 4. Such redemption notice shall be
sent to DTC's Call Notification Department at (212) 855-7232, (212) 855-7233 or
(212)

<PAGE>

855-7234 and receipt of such notice shall be confirmed by telephoning (212)
855-7207. Notice by mail or by any other means shall be sent to:

Call Notification Department
The Depository Trust Company
55 Water Street, 50th Floor
New York, New York 10041

            6. In the event of any invitation to tender the Preferred
Securities, notice specifying the terms of the tender and the Publication Date
of such notice shall be sent by the Issuer or the Transfer Agent and Registrar
to DTC by a secure means and in a timely manner as described in paragraph 4.
Notices to DTC pursuant to this paragraph and notices of other corporate actions
(including mandatory tenders, exchanges and capital changes), shall be sent,
unless notification to another department is expressly provided for herein, by
telecopy to DTC's Reorganization Department at (212) 855-5240 or (212) 855-5488
and receipt of such notice shall be confirmed by telephoning (212) 855-5235 or
(212) 855-5489, or by mail or any other means to:

Manager, Reorganization Department
Reorganization Window
The Depository Trust Company
55 Water Street, 50th Floor
New York, New York 10041

            7. All notices and payment advices sent to DTC shall contain the
CUSIP number or numbers of the Preferred Securities and the accompanying
designation of the Preferred Securities, which, as of the date of this letter is
"AmerUs Capital _____ _____% Preferred Securities."

            8. Distribution payments or other cash payments with respect to the
Preferred Securities evidenced by the Global Certificate shall be received by
Cede & Co., as nominee of DTC, or its registered assigns in next day funds on
each payment date (or in accordance with existing arrangements between the
Issuer or the Transfer Agent and Registrar and DTC). Such payments shall be made
payable to the order of Cede & Co., and shall be addressed as follows:

NDFS Redemption Department
The Depository Trust Company
55 Water Street, 25th Floor
New York, New York 10041

            9. DTC may by prior written notice direct the Issuer and the
Transfer Agent and Registrar to use any other telecopy number or address of DTC
as the number or address to which notices or payments may be sent.

            10. In the event of a conversion, redemption, or any other similar
transaction (e.g., tender made and accepted in response to the Issuer's or the
Transfer Agent and Registrar's invitation) necessitating a reduction in the
aggregate number of Preferred Securities outstanding
<PAGE>

evidenced by the Global Certificate, DTC, in its discretion: (a) may request the
Issuer or the Transfer Agent and Registrar to issue and countersign a new Global
Certificate; or (b) may make an appropriate notation on the Global Certificate
indicating the date and amount of such reduction.

            11. DTC may discontinue its services as a securities depositary with
respect to the Preferred Securities at any time by giving at least 90 days'
prior written notice to the Issuer and the Transfer Agent and Registrar (at
which time DTC will confirm with the Issuer or the Transfer Agent and Registrar
the aggregate number of Preferred Securities deposited with it) and discharging
its responsibilities with respect thereto under applicable law. Under such
circumstances, the Issuer may determine to make alternative arrangements for
book-entry settlement for the Preferred Securities, make available one or more
separate global certificates evidencing Preferred Securities to any Participant
having Preferred Securities credited to its DTC account, or issue definitive
Preferred Securities to the beneficial holders thereof, and in any such case,
DTC agrees to cooperate fully with the Issuer and the Transfer Agent and
Registrar and to return the Global Certificate, duly endorsed for transfer as
directed by the Issuer or the Transfer Agent and Registrar, together with any
other documents of transfer reasonably requested by the Issuer or the Transfer
Agent and Registrar.

            12. In the event that the Issuer determines that beneficial owners
of Preferred Securities shall be able to obtain definitive Preferred Securities,
the Issuer or the Transfer Agent and Registrar shall notify DTC of the
availability of certificates. In such event, the Issuer or the Transfer Agent
and Registrar shall issue, transfer and exchange certificates in appropriate
amounts, as required by DTC and others, and DTC agrees to cooperate fully with
the Issuer and the Transfer Agent and Registrar and to return the Global
Certificate, duly endorsed for transfer as directed by the Issuer or the
Transfer Agent and Registrar, together with any other documents of transfer
reasonably requested by the Issuer or the Transfer Agent and Registrar.

            13. This letter may be executed in any number of counterparts, each
of which when so executed shall be deemed to be an original, but all such
counterparts shall together constitute but one and the same instrument.

Nothing herein shall be deemed to require the Transfer Agent and Registrar to
advance funds on behalf of AmerUs Capital _____.

<PAGE>

Very truly yours,

AMERUS CAPITAL _____
(As Issuer)

By: ___________________________
(As Administrative Trustee)

By: ____________________________
(As Administrative Trustee)

[TRANSFER AGENT AND REGISTRAR]
(As Transfer Agent and Registrar)

By: _____________________________
    Name:
    Title:

By: _________________________________
    Name:
    Title:

RECEIVED AND ACCEPTED:

THE BANK OF NEW YORK TRUST COMPANY, N.A.

By:________________________________
   Authorized Officer

<PAGE>

                                    Exhibit C

      THIS CERTIFICATE IS NOT TRANSFERABLE EXCEPT AS PROVIDED IN THE TRUST
                          AGREEMENT (AS DEFINED BELOW)

Certificate Number                                   Number of Common Securities
C--

                    Certificate Evidencing Common Securities

                                       of

                              AmerUs Capital _____

                              -% Common Securities

                  (liquidation amount $___ per Common Security)

AmerUs Capital _____, a statutory trust formed under the laws of the State of
Delaware (the "Trust"), hereby certifies that AmerUs Group Co. (the "Holder") is
the registered owner of - (-) common securities of the Trust representing
undivided beneficial interests in the assets of the Trust and designated the -%
Common Securities (liquidation amount $___ per Common Security) (the "Common
Securities"). In accordance with Section 5.10 of the Trust Agreement (as defined
below) the Common Securities are not transferable and, to the fullest extent
permitted by law, any attempted transfer hereof shall be void. The designations,
rights, privileges, restrictions, preferences and other terms and provisions of
the Common Securities are set forth in, and this certificate and the Common
Securities represented hereby are issued and shall in all respects be subject to
the terms and provisions of, the Amended and Restated Trust Agreement of the
Trust, dated as of -, 200-, as the same may be amended from time to time (the
"Trust Agreement") including the designation of the terms of the Common
Securities as set forth therein. The Trust will furnish a copy of the Trust
Agreement to the Holder without charge upon written request to the Trust at its
principal place of business or registered office.

Upon receipt of this certificate, the Holder is bound by the Trust Agreement and
is entitled to the benefits thereunder.

<PAGE>

                                    Exhibit C

IN WITNESS WHEREOF, one of the Administrative Trustees of the Trust has executed
this certificate this ______ day of ________ ____.

                                                 AMERUS CAPITAL _____

                                                 By ____________________________
                                                    as Administrative Trustee

<PAGE>

                                    Exhibit D

                    AGREEMENT AS TO EXPENSES AND LIABILITIES

AGREEMENT, dated as of _____, 2005, between AmerUs Group Co., an Iowa
corporation ("AmerUs"), and AmerUs Capital _____, a Delaware statutory trust
(the "Trust").

WHEREAS, the Trust intends to issue its Common Securities (the "Common
Securities") to and receive Debentures from AmerUs and to issue and sell ____%
________ (the "Preferred Securities") with such powers, preferences and special
rights and restrictions as are set forth in the Amended and Restated Trust
Agreement of the Trust dated as of ______, 2005, as the same may be amended from
time to time (the "Trust Agreement");

WHEREAS, AmerUs will directly or indirectly own all of the Common Securities of
Trust and will issue the Debentures;

NOW, THEREFORE, in consideration of the purchase by each holder of the Preferred
Securities, which purchase AmerUs hereby agrees shall benefit AmerUs and which
purchase AmerUs acknowledges will be made in reliance upon the execution and
delivery of this Agreement, AmerUs and Trust hereby agree as follows:

                                    ARTICLE I

Section 1.1 Guarantee by AmerUs.

Subject to the terms and conditions hereof, AmerUs hereby irrevocably and
unconditionally guarantees to each person or entity to whom the Trust is now or
hereafter becomes indebted or liable (the "Beneficiaries") the full payment,
when and as due, of any and all Obligations (as hereinafter defined) to such
Beneficiaries. As used herein, "Obligations" means any costs, expenses or
liabilities of the Trust, other than obligations of the Trust to pay to holders
of any Preferred Securities or other similar interests in the Trust the amounts
due such holders pursuant to the terms of the Preferred Securities or such other
similar interests, as the case may be. This Agreement is intended to be for the
benefit of, and to be enforceable by, all such Beneficiaries, whether or not
such Beneficiaries have received notice hereof.

Section 1.2. Term of Agreement.

This Agreement shall terminate and be of no further force and effect upon the
later of (a) the date on which full payment has been made of all amounts payable
to all holders of all the Preferred Securities (whether upon redemption,
liquidation, exchange or otherwise) and (b) the date on which there are no
Beneficiaries remaining; provided, however, that this Agreement shall continue
to be effective or shall be reinstated, as the case may be, if at any time any
holder of Preferred Securities or any Beneficiary must restore payment of any
sums paid under the Preferred Securities, under any Obligation, under the
Guarantee Agreement dated the date hereof by AmerUs and The Bank of New York
Trust Company, N.A. as guarantee trustee, or under this Agreement for any reason
whatsoever. This Agreement is continuing, irrevocable, unconditional and
absolute.

<PAGE>

Section 1.3. Waiver of Notice.

AmerUs hereby waives notice of acceptance of this Trust Agreement and of any
Obligation to which it applies or may apply, and AmerUs hereby waives
presentment, demand for payment, protest, notice of nonpayment, notice of
dishonor, notice of redemption and all other notices and demands.

Section 1.4. No Impairment.

The obligations, covenants, agreements and duties of AmerUs under this Trust
Agreement shall in no way be affected or impaired by reason of the happening
from time to time of any of the following:

(a) the extension of time for the payment by the Trust of all or any portion of
the Obligations or for the performance of any other obligation under, arising
out of, or in connection with, the obligations;

(b) any failure, omission, delay or lack of diligence on the part of the
Beneficiaries to enforce, assert or exercise any right, privilege, power or
remedy conferred on the Beneficiaries with respect to the Obligations or any
action on the part of the Trust granting indulgence or extension of any kind; or

(c) 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, or
other similar proceedings affecting the Trust or any of the assets of the Trust.

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

Section 1.5. Enforcement.

A Beneficiary may enforce this Agreement directly against AmerUs and AmerUs
waives any right or remedy to require that any action be brought against the
Trust or any other person or entity before proceeding against AmerUs.

                                   ARTICLE II

Section 2.1. Binding Effect.

All guarantees and agreements contained in this Trust Agreement shall bind the
successors, assigns, receivers, trustees and representatives of AmerUs and shall
inure to the benefit of the Beneficiaries.

<PAGE>

Section 2.2. Amendment.

So long as there remains any Beneficiary or any Preferred Securities of any
series are outstanding, this Agreement shall not be modified or amended in any
manner adverse to such Beneficiary or to the holders of the Preferred
Securities.

Section 2.3. Notices.

Any notice, request or other communication required or permitted to be given
hereunder shall be given in writing by delivering the same against receipt
therefor by facsimile transmission (confirmed by mail), telex or by registered
or certified mail, addressed as follows (and if so given, shall be deemed given
when mailed or upon receipt of an answer-back, if sent by telex):

AmerUs Capital _____
The Bank of New York Trust Company, N.A.
2 N. LaSalle Street, Suite 1020
Chicago, IL 60602
Facsimile No.: (312) 827-8542
Attention: _____________________

AmerUs Group Co.
699 Walnut Street
Des Moines, Iowa 50309
Facsimile No.: (515) 362-3648
Attention:  Melinda Urion

Section 2.4 This Agreement shall be governed by and construed and interpreted in
accordance with the laws of the State of New York.

<PAGE>

THIS AGREEMENT is executed as of the day and year first above written.

AMERUS GROUP CO.

By: _____________________________
    Name:
    Title:

 AMERUS CAPITAL _____

 By: _____________________________
     Name:
     Administrative Trustee

 By: _____________________________
     Name:
     Administrative Trustee

<PAGE>

                                    Exhibit E

IF THE PREFERRED SECURITY IS TO BE A GLOBAL CERTIFICATE INSERT - This Preferred
Security is a Global Certificate within the meaning of the Trust Agreement
hereinafter referred to and is registered in the name of The Depository Trust
Company (the "Depository") or a nominee of the Depository. This Preferred
Security is exchangeable for Preferred Securities registered in the name of a
person other than the Depository or its nominee only in the limited
circumstances described in the Trust Agreement and no transfer of this Preferred
Security (other than a transfer of this Preferred Security as a whole by the
Depository to a nominee of the Depository or by a nominee of the Depository to
the Depository or another nominee of the Depository) may be registered except in
limited circumstances.

Unless this Preferred Security is presented by an authorized representative of
The Depository Trust Company (55 Water Street, New York) to AmerUs Capital _____
or its agent for registration of transfer, exchange or payment, and any
Preferred Security issued is registered in the name of Cede & Co. or such other
name as requested by an authorized representative of The Depository Trust
Company and any payment hereon is made to Cede & Co., ANY TRANSFER, PLEDGE OR
OTHER USE HEREOF FOR VALUE OR OTHERWISE BY A PERSON IS WRONGFUL inasmuch as the
registered owner hereof, Cede & Co., has an interest herein.

Certificate Number                             Number of Preferred Securities P-

                                               CUSIP NO.

                   Certificate Evidencing Preferred Securities

                                       of

                              AmerUs Capital _____

                                       -%,

                                    Series -

                (liquidation amount $____ per Preferred Security)

AmerUs Capital _____, a statutory trust formed under the laws of the State of
Delaware (the "Trust"), hereby certifies that - (the "Holder") is the registered
owner of - (-) preferred securities of the Trust representing an undivided
beneficial interest in the assets of the Trust and designated the AmerUs Capital
_____ -% -, Series A- (liquidation amount $___ per Preferred Security) (the
"Preferred Securities"). The Preferred Securities are transferable on the books
and records of the Trust, in person or by a duly authorized attorney, upon
surrender of this certificate duly endorsed and in proper form for transfer as
provided in Section 5.4 of the Trust Agreement (as defined below). The
designations, rights, privileges, restrictions, preferences and other terms and
provisions of the Preferred

<PAGE>

Securities are set forth in, and this certificate and the Preferred Securities
represented hereby are issued and shall in all respects be subject to the terms
and provisions of, the Amended and Restated Trust Agreement of the Trust dated
as of -, 200-, as the same may be amended from time to time (the "Trust
Agreement") including the designation of the terms of Preferred Securities as
set forth therein. The Holder is entitled to the benefits of the Guarantee
Agreement entered into by AmerUs Group Co., an Iowa corporation, and The Bank of
New York Trust Company, N.A., as guarantee trustee, dated as of -, 200-, as the
same may be amended from time to time (the "Guarantee"), to the extent provided
therein. The Trust will furnish a copy of the Trust Agreement and the Guarantee
to the Holder without charge upon written request to the Trust at its principal
place of business or registered office.

Upon receipt of this certificate, the Holder is bound by the Trust Agreement and
is entitled to the benefits thereunder.

IN WITNESS WHEREOF, one of the Administrative Trustees of the Trust has executed
this certificate this - day of -, -.

AMERUS CAPITAL _____

By: ______________________________
    Name:
    Administrative Trustee

                                       6
<PAGE>

                                   ASSIGNMENT

FOR VALUE RECEIVED, the undersigned assigns and transfers this Preferred
Security to:

(Insert assignee's social security or tax identification number)

(Insert address and zip code of assignee)

and irrevocably appoints agent to transfer this Preferred Security Certificate
on the books of the Trust. The agent may substitute another to act for him or
her.

Date:_____________

Signature:___________________________

(Sign exactly as your name appears on the other side of this Preferred Security
Certificate)

                                       7<PAGE>

                                                                    Exhibit 4.12

                                     Form of

                               GUARANTEE AGREEMENT

                                     Between

                                AmerUs Group Co.
                                 (as Guarantor)

                                       and

                    The Bank of New York Trust Company, N.A.
                                  (as Trustee)

                                   dated as of

                                        -

<PAGE>

                             CROSS-REFERENCE TABLE*

<TABLE>
<CAPTION>
Section of                                             Section of
Trust Indenture Act                                    Guarantee
of 1939, as amended                                    Agreement
<S>                                                   <C>
310(a)..........................................      4.1(a)
310(b)..........................................      4.1(c), 208
310(c)..........................................      Inapplicable
311(a)..........................................      2.2(b)
311(b)..........................................      2.2(b)
311(c)..........................................      Inapplicable
312(a)..........................................      2.2(a)
312(b)..........................................      2.2(b)
313.............................................      2.3
314(a)..........................................      2.4
314(b)..........................................      Inapplicable
314(c)..........................................      2.5
314(d)..........................................      Inapplicable
314(e)..........................................      1.1, 2.5, 3.2
314(f)..........................................      2.1, 3.2
315(a)..........................................      3.1(d)
315(b)..........................................      2.7
315(c)..........................................      3.1
315(d)..........................................      3.1(d)
316(a)..........................................      1.1, 2.6, 5.4
316(b)..........................................      5.3
316(c)..........................................      8.2
317(a)..........................................      Inapplicable
317(b)..........................................      Inapplicable
318(a)..........................................      2.1(b)
318(b)..........................................      2.1
318(c)..........................................      2.1(a)
</TABLE>

-----------
*     This Cross-Reference Table does not constitute part of the Guarantee
      Agreement and shall not affect the interpretation of any of its terms or
      provisions.

                                       ii
<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<S>                                                                                   <C>
ARTICLE I DEFINITIONS..............................................................    1

     Section 1.1  Definitions......................................................    1

ARTICLE II ARTICLE 2 TRUST INDENTURE ACT...........................................    5

     Section 2.1  Trust Indenture Act; Application.................................    5

     Section 2.2  List of Holders..................................................    5

     Section 2.3  Reports by the Guarantee Trustee.................................    5

     Section 2.4  Periodic Reports to Guarantee Trustee............................    5

     Section 2.5  Evidence of Compliance with Conditions Precedent.................    5

     Section 2.6  Events of Default; Waiver........................................    6

     Section 2.7  Event of Default; Notice.........................................    6

     Section 2.8  Conflicting Interests............................................    6

ARTICLE III POWERS, DUTIES AND RIGHTS OF THE GUARANTEE TRUSTEE.....................    6

     Section 3.1  Powers and Duties of the Guarantee Trustee.......................    6

     Section 3.2  3.2 Certain Rights of Guarantee Trustee..........................    8

     Section 3.3  Indemnity........................................................    9

ARTICLE IV GUARANTEE TRUSTEE.......................................................   10

     Section 4.1  Guarantee Trustee; Eligibility...................................   10

     Section 4.2  Appointment, Removal and Resignation of the Guarantee Trustee....   10

ARTICLE V GUARANTEE................................................................   11

     Section 5.1  Guarantee........................................................   11

     Section 5.2  Waiver of Notice and Demand......................................   11

     Section 5.3  Obligations Not Affected.........................................   11

     Section 5.4  Rights of Holders................................................   12

     Section 5.5  Guarantee of Payment.............................................   12

     Section 5.6  Subrogation......................................................   13

     Section 5.7  Independent Obligations..........................................   13

ARTICLE VI COVENANTS AND SUBORDINATION.............................................   13

     Section 6.1  Subordination....................................................   13

     Section 6.2  Pari Passu Guarantees............................................   13

ARTICLE VII TERMINATION............................................................   13

     Section 7.1  Termination......................................................   13
</TABLE>

                                       iii
<PAGE>

<TABLE>
<S>                                                                                   <C>
ARTICLE VIII MISCELLANEOUS.........................................................   13

     Section 8.1  Successors and Assigns...........................................   13

     Section 8.2  Amendments.......................................................   14

     Section 8.3  Notices..........................................................   14

     Section 8.4  Benefit..........................................................   15

     Section 8.5  Interpretation...................................................   15

     Section 8.6  GOVERNING LAW....................................................   15
</TABLE>

                                       iv
<PAGE>

                               GUARANTEE AGREEMENT

      This GUARANTEE AGREEMENT, dated as of -, 200-, is executed and delivered
by AmerUs Group Co., an Iowa corporation (the "Guarantor"), and The Bank of New
York Trust Company, N.A., a New York banking corporation organized under the
laws of the State of New York, as trustee (the "Guarantee Trustee"), for the
benefit of the Holders (as defined herein) from time to time of the Preferred
Securities (as defined herein) of AmerUs Capital IV, a Delaware statutory trust
(the "Issuer").

      WHEREAS, pursuant to an Amended and Restated Trust Agreement (the "Trust
Agreement"), dated as of -, 200-, among the Trustees named therein, the
Guarantor, as Depositor, and the Holders from time to time of undivided
beneficial interests in the assets of the Issuer, the Issuer is issuing - of its
-% Preferred Securities, Series A (liquidation preference $25 per preferred
security) (the "Preferred Securities") representing preferred undivided
beneficial interests in the assets of the Issuer and having the terms set forth
in the Trust Agreement;

      WHEREAS, the Preferred Securities will be issued by the Issuer and the
proceeds thereof, together with the proceeds from the issuance of the Issuer's
Common Securities (as defined below), will be used to purchase the Debentures
(as defined in the Trust Agreement) of the Guarantor which will be deposited
with The Bank of New York Trust Company, N.A., as Property Trustee under the
Trust Agreement, as trust assets; and

      WHEREAS, as incentive for the Holders to purchase Preferred Securities the
Guarantor desires irrevocably and unconditionally to agree, to the extent set
forth herein, to pay to the Holders of the Preferred Securities the Guarantee
Payments (as defined herein) and to make certain other payments on the terms and
conditions set forth herein.

      NOW, THEREFORE, in consideration of the purchase by each Holder of
Preferred Securities, which purchase the Guarantor hereby agrees shall benefit
the Guarantor, the Guarantor executes and delivers this Guarantee Agreement for
the benefit of the Holders from time to time of the Preferred Securities.

                                   ARTICLE I
                                  DEFINITIONS

            Section 1.1 Definitions.

      As used in this Guarantee Agreement, the terms set forth below shall,
unless the context otherwise requires, have the following meanings. Capitalized
or otherwise defined terms used but not otherwise defined herein shall have the
meanings assigned to such terms in the Trust Agreement as in effect on the date
hereof.

      "Affiliate" of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common
control with such specified Person, provided, however, that an Affiliate of the
Guarantor shall not be deemed to include the Issuer. For the purposes of this
definition, "control" when used with respect to any specified

<PAGE>

Person means the power to direct the management and policies of such Person,
directly or indirectly, whether through the ownership of voting securities, by
contract or otherwise; and the terms "controlling" and "controlled" have
meanings correlative to the foregoing.

      "Common Securities" means the securities representing common beneficial
interests in the assets of the Issuer.

      "Debt" means, with respect to any Person, whether recourse is to all or a
portion of the assets of such Person and whether or not contingent, (i) every
obligation of such Person for money borrowed; (ii) every obligation of such
Person evidenced by bonds, debentures, notes or other similar instruments,
including obligations incurred in connection with the acquisition of property,
assets or businesses; (iii) every reimbursement obligation of such Person with
respect to letters of credit, bankers' acceptances or similar facilities issued
for the account of such Person; (iv) every obligation of such Person issued or
assumed as the deferred purchase price of property or services (but excluding
trade accounts payable or accrued liabilities arising in the ordinary course of
business); (v) every capital lease obligation of such Person; and (vi) every
obligation of the type referred to in clauses (i) through (v) of another Person
and all dividends of another Person the payment of which, in either case, such
Person has guaranteed or is responsible or liable, directly or indirectly, as
obligor or otherwise.

      "Event of Default" means a default by the Guarantor on any of its payment
or other obligations under this Guarantee Agreement; provided, however, that,
except with respect to a default in payment of any Guarantee Payments, the
Guarantor shall have received notice of default and shall not have cured such
default within 60 days after receipt of such notice.

      "Expenses" has the meaning specified in Section 3.3.

      "Guarantee Payments" means the following payments or distributions,
without duplication, with respect to the Preferred Securities, to the extent not
paid or made by or on behalf of the Issuer: (i) any accrued and unpaid
Distributions (as defined in the Trust Agreement) required to be paid on the
Preferred Securities, to the extent the Issuer shall have funds on hand
available therefor, (ii) the redemption price, including all accrued and unpaid
Distributions to the date of redemption (the "Redemption Price"), with respect
to the Preferred Securities called for redemption by the Issuer to the extent
the Issuer shall have funds on hand available therefor, and (iii) upon a
voluntary or involuntary termination, winding-up or liquidation of the Issuer,
unless Debentures are distributed to the Holders, the lesser of (a) the
aggregate of the liquidation preference of $25 per Preferred Security plus
accrued and unpaid Distributions on the Preferred Securities to the date of
payment to the extent the Issuer shall have funds on hand available to make such
payment and (b) the amount of assets of the Issuer remaining available for
distribution to Holders in liquidation of the Issuer (in either case, the
"Liquidation Distribution").

      "Guarantee Trustee" means The Bank of New York Trust Company, N.A. (not in
its individual capacity but solely in its trustee capacity), until a Successor
Guarantee Trustee has

                                       2
<PAGE>

been appointed and has accepted such appointment pursuant to the terms of this
Guarantee Agreement and thereafter means each such Successor Guarantee Trustee.

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

      "Indenture" means the Junior Subordinated Indenture dated as of -, -, as
supplemented and amended between the Guarantor and The Bank of New York Trust
Company, N.A., as trustee.

      "List of Holders" has the meaning specified in Section 2.2(a).

      "Majority in liquidation preference of the Securities" means, except as
provided by the Trust Indenture Act, a vote by the Holder(s), voting separately
as a class, of more than 50% of the liquidation preference of all then
outstanding Preferred Securities issued by the Issuer.

      "Officers' Certificate" means, with respect to any Person, a certificate
signed by the Chairman, Chief Executive Officer, President or a Vice President,
and by the Treasurer, an Associate Treasurer, an Assistant Treasurer, the
Controller, the Secretary or an Assistant Secretary of such Person, and
delivered to the Guarantee Trustee. Any Officers' Certificate delivered with
respect to compliance with a condition or covenant provided for in this
Guarantee Agreement shall include:

      (a) a statement that each officer signing the Officers' 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 Officers' 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.

      "Person" means a legal person, including any individual, corporation,
estate, partnership, joint venture, association, joint stock company, limited
liability company, trust, unincorporated

                                       3
<PAGE>

association, or government or any agency or political subdivision thereof, or
any other entity of whatever nature.

      "Preferred Securities" has the meaning specified in the preamble

      "Responsible Officer" means, with respect to the Guarantee Trustee, any
officer within the Corporate Trust Administration department of the Guarantee
Trustee with direct responsibility for the administration of this Guarantee
Agreement, including any Vice-President, any Assistant Vice President, any
Assistant Secretary, the Treasurer, any Assistant Treasurer, any Trust Officer
or other officer of the Corporate Trust Office of the 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.

      "Senior Debt" means the principal of (and premium, if any) and interest,
if any (including interest accruing on or after the filing of any petition in
bankruptcy or for reorganization relating to the Guarantor whether or not such
claim for post-petition interest is allowed in such proceeding), on Debt,
whether incurred on or prior to the date of this Guarantee or thereafter
incurred, unless, in the instrument creating or evidencing the same or pursuant
to which the same is outstanding, it is provided that such obligations are not
superior in right of payment to the Guarantee or to other Debt which is pari
passu with, or subordinated to, the Guarantee; provided, however, that Senior
Debt shall not be deemed to include (a) any Debt of the Guarantor which when
incurred and without respect to any election under Section 11.11(b) of the
Bankruptcy Reform Act of 1978, was without recourse to the Company, (b) any Debt
of the Guarantor to any of its Subsidiaries, (c) Debt to any employee of the
Guarantor, (d) any liability for taxes, (e) Debt or other monetary obligations
to trade creditors created or assumed by the Guarantor or any of its
Subsidiaries in the ordinary course of business in connection with the obtaining
of goods, materials or services and (f) Debt issued under the Indenture and (g)
the Guarantee.

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

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

                                       4
<PAGE>

                                   ARTICLE II
                               TRUST INDENTURE ACT

            Section 2.1 Trust Indenture Act; Application.

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

      (b) If and to the extent that any provision of this Guarantee Agreement
limits, qualifies or conflicts with the duties imposed by Sections 3.10 to 3.17,
inclusive, of the Trust Indenture Act, such imposed duties shall control.

            Section 2.2 List of Holders.

      (a) The Guarantor shall furnish or cause to be furnished to the Guarantee
Trustee (a) semiannually, on or before February 15 and August 15 of each year, a
list, in such form as the Guarantee Trustee may reasonably require, of the names
and addresses of the Holders ("List of Holders") as of a date not more than 15
days prior to the delivery thereof, and (b) at such other times as the Guarantee
Trustee may request in writing, within 30 days after the receipt by the
Guarantor of any such request, a List of Holders as of a date not more than 15
days prior to the time such list is furnished, in each case to the extent such
information is in the possession or control of the Guarantor and is not
identical to a previously supplied list of Holders or has not otherwise been
received by the Guarantee Trustee in its capacity as such. The Guarantee Trustee
may destroy any List of Holders previously given to it on receipt of a new List
of Holders.

      (b) The Guarantee Trustee shall comply with its obligations under Section
3.11(a), Section 3.11(b) and Section 3.12(b) of the Trust Indenture Act.

            Section 2.3 Reports by the Guarantee Trustee.

   Within 60 days after - of each year, the Guarantee Trustee shall provide to
the Holders such reports as are required by Section 3.13 of the Trust Indenture
Act, if any, in the form and in the manner provided by Section 3.13 of the Trust
Indenture Act. The Guarantee Trustee shall also comply with the requirements of
Section 3.13(d) of the Trust Indenture Act.

            Section 2.4 Periodic Reports to Guarantee Trustee.

   The Guarantor shall provide to the Guarantee Trustee, the Securities and
Exchange Commission and the Holders such documents, reports and information, if
any, as required by Section 314 of the Trust Indenture Act 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.

            Section 2.5 Evidence of Compliance with Conditions Precedent.

   The Guarantor shall provide to the Guarantee Trustee such evidence of
compliance with such conditions precedent, if any, provided for in this
Guarantee Agreement that relate to any of the matters set forth in Section
314(c) of the Trust Indenture Act. Any certificate or opinion required

                                       5
<PAGE>

to be given by an officer pursuant to Section 314(c)(1) may be given in the form
of an Officers' Certificate.

            Section 2.6 Events of Default; Waiver.

   The Holders of a Majority in liquidation preference of the Preferred
Securities may, by vote, on behalf of the Holders, 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 Guarantee Agreement, but no such
waiver shall extend to any subsequent or other default or Event of Default or
impair any right consequent therefrom.

            Section 2.7 Event of Default; Notice.

   (a) The Guarantee Trustee shall, within 90 days after the occurrence of an
Event of Default, transmit by mail, first class postage prepaid, to the Holders,
notices of all Events of Default actually known to a Responsible Officer of the
Guarantee Trustee, unless such defaults have been cured before the giving of
such notice, provided, that, except in the case of a default in the payment of a
Guarantee Payment, the 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 Guarantee
Trustee in good faith determines that the withholding of such notice is in the
interests of the Holders.

   (b) The Guarantee Trustee shall not be deemed to have knowledge of any Event
of Default unless a Responsible Officer of the Guarantee Trustee shall have
received written notice of such Event of Default.

            Section 2.8 Conflicting Interests.

   The Trust Agreement shall be deemed to be specifically described in this
Guarantee Agreement for the purposes of clause (i) of the first proviso
contained in Section 3.10(b) of the Trust Indenture Act.

                                  ARTICLE III
               POWERS, DUTIES AND RIGHTS OF THE GUARANTEE TRUSTEE

            Section 3.1 Powers and Duties of the Guarantee Trustee.

   (a) This Guarantee Agreement shall be held by the Guarantee Trustee for the
benefit of the Holders, and the Guarantee Trustee shall not transfer this
Guarantee Agreement to any Person except a Holder exercising his or her rights
pursuant to Section 5.04(iv) or to a Successor Guarantee Trustee on acceptance
by such Successor Guarantee Trustee of its appointment to act as Successor
Guarantee Trustee. The right, title and interest of the Guarantee Trustee shall
automatically vest in any Successor Guarantee Trustee, upon acceptance by such
Successor Guarantee Trustee of its appointment hereunder, and such vesting and
cessation of title shall be effective whether or not conveyancing documents have
been executed and delivered pursuant to the appointment of such Successor
Guarantee Trustee.

                                       6
<PAGE>

      (b) If an Event of Default has occurred and is continuing, the Guarantee
Trustee shall, promptly upon receipt of written notice of such Event of Default,
enforce this Guarantee Agreement for the benefit of the Holders.

      (c) The 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
Guarantee Agreement, and no implied duties or covenants shall be read into this
Guarantee Agreement against the Guarantee Trustee. In case an Event of Default
has occurred (that has not been cured or waived pursuant to Section 2.6), the
Guarantee Trustee shall exercise such of the rights and powers vested in it by
this Guarantee Agreement, 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 Guarantee Agreement shall be construed to relieve
the 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:

            (A) the duties and obligations of the Guarantee Trustee shall be
      determined solely by the express provisions of this Guarantee Agreement,
      and the Guarantee Trustee shall not be liable except for the performance
      of such duties and obligations as are specifically set forth in this
      Guarantee Agreement; and

            (B) in the absence of bad faith on the part of the Guarantee
      Trustee, the 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 Guarantee Trustee and
      conforming to the requirements of this Guarantee Agreement; but in the
      case of any such certificates or opinions that by any provision hereof or
      of the Trust Indenture Act are specifically required to be furnished to
      the Guarantee Trustee, the Guarantee Trustee shall be under a duty to
      examine the same to determine whether or not they conform on their face to
      the requirements of this Guarantee Agreement;

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

         (iii) the 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 preference
of the Preferred Securities relating to the time, method and place of conducting
any proceeding for any remedy available to the Guarantee Trustee, or

                                       7
<PAGE>

exercising any trust or power conferred upon the Guarantee Trustee under this
Guarantee Agreement; and

         (iv) no provision of this Guarantee Agreement shall require the
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 Guarantee Trustee shall have reasonable
grounds for believing that the repayment of such funds or liability is not
reasonably assured to it under the terms of this Guarantee Agreement or adequate
indemnity against such risk or liability is not reasonably assured to it.

            Section 3.2 Certain Rights of Guarantee Trustee.

      (a) Subject to the provisions of Section 3.01:

         (i) The Guarantee Trustee may 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
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
Guarantee Agreement shall be sufficiently evidenced by an Officers' Certificate
unless otherwise prescribed herein.

         (iii) Whenever, in the administration of this Guarantee Agreement, the
Guarantee Trustee shall deem it desirable that a matter be proved or established
before taking, suffering or omitting to take any action hereunder, the Guarantee
Trustee (unless other evidence is herein specifically prescribed) may, in the
absence of bad faith on its part, request and rely upon an Officers' Certificate
which, upon receipt of such request from the Guarantee Trustee, shall be
promptly delivered by the Guarantor.

         (iv) The Guarantee Trustee may consult with legal counsel, and the
written advice or opinion of such legal counsel with respect to legal matters
shall be full and complete authorization and protection in respect of any action
taken, suffered or omitted to be taken by it hereunder in good faith and in
accordance with such advice or opinion. Such legal counsel may be legal counsel
to the Guarantor or any of its Affiliates and may be one of its employees. The
Guarantee Trustee shall have the right at any time to seek instructions
concerning the administration of this Guarantee Agreement from any court of
competent jurisdiction.

         (v) The Guarantee Trustee shall be under no obligation to exercise any
of the rights or powers vested in it by this Guarantee Agreement at the request
or direction of any Holder, unless such Holder shall have provided to the
Guarantee Trustee such adequate security and indemnity as would satisfy a
reasonable person in the position of the Guarantee Trustee, against the costs,
expenses (including attorneys' fees and expenses) and liabilities that might be
incurred by it in complying with such request or direction, including such
reasonable advances as may be

                                       8
<PAGE>

requested by the Guarantee Trustee; provided that, nothing contained in this
Section 3.2(a)(v) shall be taken to relieve the Guarantee Trustee, upon the
occurrence of an Event of Default, of its obligation to exercise the rights and
powers vested in it by this Guarantee Agreement.

         (vi) The 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 Guarantee Trustee, in its discretion, may make such further inquiry or
investigation into such facts or matters as it may see fit.

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

         (viii) Whenever in the administration of this Guarantee Agreement the
Guarantee Trustee shall deem it desirable to receive instructions with respect
to enforcing any remedy or right or taking any other action hereunder, the
Guarantee Trustee (A) may request instructions from the Holders, (B) may refrain
from enforcing such remedy or right or taking such other action until such
instructions are received, and (C) shall be protected in acting in accordance
with such instructions.

      (b) No provision of this Guarantee Agreement shall be deemed to impose any
duty or obligation on the 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 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 Guarantee Trustee
shall be construed to be a duty to act in accordance with such power and
authority.

      (c) The Guarantee Trustee shall not be deemed to have notice of any
Default or Event of Default unless a Responsible Officer of the Guarantee
Trustee has actual knowledge thereof or unless written notice of any event which
is in fact such a default is received by the Guarantee Trustee at the Corporate
Trust Office of the Guarantee Trustee, and such notice references the Securities
and this Indenture;

      (d) The rights, privileges, protections, immunities and benefits given to
the Guarantee Trustee, including, without limitation, its right to be
indemnified, are extended to, and shall be enforceable by, the Guarantee Trustee
in each of its capacities hereunder, and each agent, custodian and other Person
employed to act hereunder; and

      (e) The Guarantee Trustee may request that the Company deliver a
certificate setting forth the names of individuals and/or titles of officers
authorized at such time to take specified actions pursuant to this Indenture.

            Section 3.3 Indemnity.

                                       9
<PAGE>

      The Guarantor agrees to indemnify the Guarantee Trustee and its officers,
directors and employees for, and to hold each harmless against, any loss,
liability or expense incurred without negligence or bad faith on the part of the
Guarantee Trustee, arising out of or in connection with the acceptance or
administration of this Guarantee Agreement, including the costs and expenses of
defending itself against any claim or liability in connection with the exercise
or performance of any of its powers or duties hereunder (collectively,
"Expenses"). The Guarantee Trustee will not claim or exact any lien or charge on
any Guarantee Payments as a result of any amount due to it under this Guarantee
Agreement. To the fullest extent permitted by law, the Expenses incurred by the
Guarantee Trustee referred to above shall be paid by the Guarantor in advance
upon receipt of an undertaking by or on behalf of the Guarantee Trustee to repay
such amount if it shall ultimately be determined that the Guarantee Trustee is
not entitled to be indemnified by the Guarantor as authorized in this Section
3.3. The obligations of the Guarantor under this Section 3.3 shall survive
termination of this Guarantee Agreement and the removal or resignation of any
Guarantee Trustee.

                                   ARTICLE IV
                                GUARANTEE TRUSTEE

            Section 4.1 Guarantee Trustee; Eligibility.

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

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

         (ii) be a Person that is eligible pursuant to the Trust Indenture Act
to act as such and has a combined capital and surplus of at least 50 million
U.S. dollars ($50,000,000), and shall be a corporation meeting the requirements
of Section 3.10(c) of the Trust Indenture Act. If such corporation publishes
reports of condition at least annually, pursuant to law or to the requirements
of the supervising or examining authority, then, for the purposes of this
Section and to the extent permitted by the Trust Indenture Act, 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 Guarantee Trustee shall cease to be eligible to so
act under Section 4.1(a), the Guarantee Trustee shall immediately resign in the
manner and with the effect set out in Section 4.2(c).

    (c) If the Guarantee Trustee has or shall acquire any "conflicting interest"
within the meaning of Section 3.10(b) of the Trust Indenture Act, the Guarantee
Trustee and Guarantor shall in all respects comply with the provisions of
Section 3.10(b) of the Trust Indenture Act.

            Section 4.2 Appointment, Removal and Resignation of the Guarantee
Trustee.

    (a) Subject to Section 4.2(b), the Guarantee Trustee may be appointed or
removed without cause at any time by the Guarantor.

                                       10
<PAGE>

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

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

   (d) If no Successor Guarantee Trustee shall have been appointed and accepted
appointment as provided in this Section 4.2 within 30 days after delivery to the
Guarantor of an instrument of resignation, the resigning Guarantee Trustee may
petition, at the expense of the Guarantor, any court of competent jurisdiction
for appointment of a Successor Guarantee Trustee. Such court may thereupon,
after prescribing such notice, if any, as it may deem proper, appoint a
Successor Guarantee Trustee.

                                   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 or on behalf of the Issuer), as and when due, regardless of any defense,
right of set-off or counterclaim which 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 the Guarantee Agreement
and of any liability to which it applies or may apply, presentment, demand for
payment, any right to require a proceeding first against the Guarantee Trustee,
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
Guarantee Agreement shall in no way be affected or impaired by reason of the
happening 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 Preferred Securities to be performed
or observed by the Issuer;

                                       11
<PAGE>

      (b) the extension of time for the payment by the Issuer of all or any
portion of the Distributions (other than an extension of time for payment of
Distributions that results from the extension of any interest payment period on
the Debentures as so provided in the Indenture), Redemption Price, Liquidation
Distribution or any other sums payable under the terms of the Preferred
Securities or the extension of time for the performance of any other obligation
under, arising out of, or in connection with, the Preferred Securities;

      (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 Preferred 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 Preferred
Securities;

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

      (g) 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 hereunder shall be
absolute and unconditional under any and all circumstances.

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

            Section 5.4 Rights of Holders.

   The Guarantor expressly acknowledges that: (i) this Guarantee Agreement will
be deposited with the Guarantee Trustee to be held for the benefit of the
Holders; (ii) the Guarantee Trustee has the right to enforce this Guarantee
Agreement on behalf of the Holders; (iii) the Holders of a Majority in
liquidation preference of the Preferred Securities have the right to direct the
time, method and place of conducting any proceeding for any remedy available to
the Guarantee Trustee in respect of this Guarantee Agreement or exercising any
trust or power conferred upon the Guarantee Trustee under this Guarantee
Agreement; and (iv) any Holder may institute a legal proceeding directly against
the Guarantor to enforce its rights under this Guarantee Agreement, without
first instituting a legal proceeding against the Guarantee Trustee, the Issuer
or any other Person.

            Section 5.5 Guarantee of Payment.

   This Guarantee Agreement creates a guarantee of payment and not of
collection. This Guarantee Agreement will not be discharged except by payment of
the Guarantee Payments in

                                       12
<PAGE>

full (without duplication of amounts theretofore paid by the Issuer) or upon
distribution of Debentures to Holders as provided in the Trust Agreement.

            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 the Holders by the
Guarantor under this Guarantee Agreement and shall have the right to waive
payment by the Issuer pursuant to Section 5.1; provided, however, that the
Guarantor shall not (except to the extent required by mandatory provisions of
law) be entitled to enforce or exercise any rights which it may acquire by way
of subrogation or any indemnity, reimbursement or other agreement, in all cases
as a result of payment under this Guarantee Agreement, if, at the time of any
such payment, any amounts are due and unpaid under this Guarantee Agreement. 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.

            Section 5.7 Independent Obligations.

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

                                   ARTICLE VI
                   COVENANTS AND SUBORDINATION Subordination.

   This Guarantee Agreement will constitute an unsecured obligation of the
Guarantor and will rank subordinate and junior in right of payment to all Senior
Debt of the Guarantor.

            Section 6.2 Pari Passu Guarantees.

   This Guarantee Agreement shall rank pari passu with any similar Guarantee
Agreements issued by the Guarantor on behalf of the holders of Preferred
Securities issued by Capital IV and Capital V.

                                  ARTICLE VII
                                  TERMINATION

            Section 7.1 Termination.

   This Guarantee Agreement shall terminate and be of no further force and
effect upon (i) full payment of the Redemption Price of all Preferred
Securities, (ii) the distribution of Debentures to the Holders in exchange for
all of the Preferred Securities or (iii) full payment of the amounts payable in
accordance with the Trust Agreement upon liquidation of the Issuer.
Notwithstanding the foregoing, this Guarantee Agreement will continue to be
effective or will be reinstated, as the case may be, if at any time any Holder
must restore payment of any sums paid with respect to Preferred Securities or
this Guarantee Agreement.

                                  ARTICLE VIII
                                 MISCELLANEOUS

            Section 8.1 Successors and Assigns.

                                       13
<PAGE>

   All guarantees and agreements contained in this Guarantee Agreement shall
bind the successors, assigns, receivers, trustees and representatives of the
Guarantor and shall inure to the benefit of the Holders of the Preferred
Securities then outstanding. Except in connection with a consolidation, merger
or sale involving the Guarantor that is permitted under Article Eight of the
Indenture and pursuant to which the assignee agrees in writing to perform the
Guarantor's obligations hereunder, the Guarantor shall not assign its
obligations hereunder.

            Section 8.2 Amendments.

   Any amendment to this Guarantee Agreement shall be in writing and executed by
the Guarantor and Guarantee Trustee. Except with respect to any changes which do
not adversely affect the rights of the Holders in any material respect (in which
case no consent of the Holders will be required), this Guarantee Agreement may
only be amended with the prior approval of the Holders of not less than a
Majority in liquidation preference of all the outstanding Preferred Securities.
The provisions of Article VI of the Trust Agreement concerning meetings of the
Holders shall apply to the giving of such approval. The Guarantee Trustee shall
not be required to enter into any amendment to this Guarantee Agreement which
affects its own rights, duties or immunities under this Guarantee Agreement. The
Guarantee Trustee shall be entitled to receive and conclusively rely on an
Opinion of Counsel and an Officer's Certificate stating that any amendment to
this Guarantee Agreement is in compliance with this Guarantee Agreement.

            Section 8.3 Notices.

   Any notice, request or other communication required or permitted to be given
hereunder shall be in writing, duly signed by the party giving such notice, and
delivered, telecopied or mailed by first class mail as follows:

      (a) if given to the Guarantor, to the address set forth below or such
other address as the Guarantor may give notice of to the Holders:

            AmerUs Group Co.
            699 Walnut Street
            Des Moines, Iowa  50309
            Facsimile No.: (515) 362-3648
            Attention: Chief Financial Officer and Treasurer

      (b) if given to the Issuer, in care of the Guarantee Trustee, at the
Issuer's (and the Guarantee Trustee's) address set forth below or such other
address as the Guarantee Trustee on behalf of the Issuer may give notice to the
Holders:

            AmerUs Capital IV
            c/o AmerUs Group Co.
            699 Walnut Street
            Des Moines, Iowa  50309
            Facsimile No.: (515) 362-3648
            Attention: Chief Financial Officer and Treasurer

            with a copy to:

                                       14
<PAGE>

            The Bank of New York Trust Company, N.A.
            2 N. LaSalle Street, Suite 1020
            Chicago, IL 60602
            Facsimile No.: (312) 827-8542

      (c) if given to any Holder, at the address set forth on the books and
records of the Issuer.

   All notices hereunder 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 8.4 Benefit.

   This Guarantee Agreement is solely for the benefit of the Holders and is not
separately transferable from the Preferred Securities.

            Section 8.5 Interpretation.

   In this Guarantee Agreement, unless the context otherwise requires:

      (a) capitalized terms used in this Guarantee Agreement but not defined in
the preamble hereto have the respective meanings assigned to them in Section 1.1
or in the Trust Agreement as in effect on the date hereof;

      (b) a term defined anywhere in this Guarantee Agreement has the same
meaning throughout;

      (c) all references to "the Guarantee Agreement" or "this Guarantee
Agreement" are to this Guarantee Agreement as modified, supplemented or amended
from time to time;

      (d) all references in this Guarantee Agreement to Articles and Sections
are to Articles and Sections of this Guarantee Agreement unless otherwise
specified;

      (e) a term defined in the Trust Indenture Act has the same meaning when
used in this Guarantee Agreement unless otherwise defined in this Guarantee
Agreement or unless the context otherwise requires;

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

      (g) the masculine, feminine or neuter genders used herein shall include
the masculine, feminine and neuter genders.

            Section 8.6 GOVERNING LAW.

                                       15
<PAGE>

   THIS GUARANTEE AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED AND INTERPRETED
IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO THE
CONFLICT OF LAW PRINCIPLES THEREOF.

   This instrument may be executed in any number of counterparts, each of which
so executed shall be deemed to be an original, but all such counterparts shall
together constitute but one and the same instrument.

                                       16
<PAGE>

   THIS GUARANTEE AGREEMENT is executed as of the day and year first above
written.

                                    AMERUS GROUP CO.

                                    By: _____________________________
                                        Name:
                                        Title:

                                    THE BANK OF NEW YORK TRUST COMPANY, N.A., as
                                        Guarantee Trustee

                                    By: _____________________________
                                        Name:
                                        Title:

                                       17

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